CN116424266A - Vehicle door lock control method and system thereof, vehicle and standby controller - Google Patents
Vehicle door lock control method and system thereof, vehicle and standby controller Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/40—Features of the power supply for the anti-theft system, e.g. anti-theft batteries, back-up power supply or means to save battery power
- B60R25/403—Power supply in the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
- G07C2009/00412—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks the transmitted data signal being encrypted
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Abstract
The embodiment of the disclosure relates to a vehicle door lock control method and system, a vehicle and a standby controller. A vehicle door lock control method relates to a standby controller which is used for being respectively connected with a main power supply, a standby power supply, a vehicle body controller, a signal receiver and a door lock of a vehicle. The standby controller acquires the door lock operation signal received by the signal receiver, and when the electric quantity of the main power supply of the vehicle is insufficient, the standby power supply can acquire electric energy to control the door lock. When the electric quantity of the main power supply is sufficient, the door lock operation signal is still received through the standby controller, a signal receiver is not required to be specially configured for the vehicle body controller, and a circuit for directly connecting the vehicle body controller and the signal receiver is not required to be designed, so that the circuit structure is simplified and the energy consumption is reduced.
Description
Technical Field
The disclosure relates to the technical field of vehicle electric door locks, in particular to a vehicle door lock control method and system, a vehicle, a standby controller and a storage medium.
Background
Electric door locks (simply referred to as "door locks") are commonly used in vehicles. In general, a vehicle owner can send out a radio frequency signal for performing an unlocking operation or a locking operation through a remote control key, and after receiving the radio frequency signal, a signal receiver (for example, a radio frequency receiving module) of the vehicle sends the radio frequency signal to a vehicle body controller, and the vehicle body controller controls a door lock to perform the unlocking operation or the locking operation according to the radio frequency signal.
Because the vehicle body controller of the vehicle needs the storage battery of the vehicle to supply power, when the electric quantity of the storage battery is lower than a certain electric quantity threshold value, the vehicle body controller cannot obtain enough electric energy to control the door lock operation, so that the unlocking or locking purpose cannot be realized.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a vehicle door lock control method and system, a vehicle, a standby controller, and a storage medium that can perform an unlocking operation or a locking operation in the event of a vehicle battery deficiency.
In a first aspect, embodiments of the present disclosure provide a vehicle door lock control method applied to a backup controller for connecting with a main power source, a backup power source, a body controller, a signal receiver, and a door lock of a vehicle, respectively. The vehicle body controller is used for being connected with a main power supply and the door lock respectively. The method comprises the following steps:
acquiring a door lock operation signal received by a signal receiver;
acquiring a first electric quantity parameter value;
when the first electric quantity parameter value is in a first value interval representing that the electric quantity state of the main power supply is normal, forwarding a door lock operation signal to the vehicle body controller so that the vehicle body controller can execute corresponding control operation on the door lock according to the door lock operation signal;
And when the first electric quantity parameter value is in a second numerical interval representing the abnormal electric quantity state of the main power supply, starting the standby power supply to supply power, and executing corresponding control operation on the door lock according to the door lock operation signal.
In some embodiments, the door lock operation signal carries first encrypted data, and accordingly, the vehicle door lock control method further includes:
reading the stored second encrypted data;
matching and verifying the first encrypted data and the second encrypted data;
after the matching verification is passed, the second encrypted data is updated and stored.
Forwarding a door lock operation signal to a vehicle body controller, comprising: and forwarding the door lock operation signal passing the matching verification to the vehicle body controller.
According to the door lock operation signal, executing corresponding control operation on the door lock, including: and executing corresponding control operation on the door lock according to the door lock operation signal passing the matching verification.
In some embodiments, the first encrypted data includes a first count value for recording a number of times the key fob transmits the door lock operation signal; the second encrypted data includes a second count value for recording the number of times the signal receiver receives the door lock operation signal.
Accordingly, the matching verification includes: and judging whether the difference value between the first count value and the second count value is in a preset difference value interval, and if so, passing the matching verification.
In some embodiments, updating and storing the second encrypted data includes:
increasing the second count value;
and when the increased second count value is not greater than the preset count value threshold, storing the increased second count value.
In some embodiments, updating and storing the second encrypted data further comprises:
and when the increased second count value is larger than the count value threshold, storing the preset original count value as a new second count value.
Correspondingly, the vehicle door lock control method further comprises the following steps: transmitting clear information to a designated terminal; the clear information is used to prompt or indicate that the first count value is set to the original count value.
In some embodiments, updating and storing the second encrypted data includes:
when the difference value between the first count value and the second count value is larger than a preset difference value threshold, the second count value is updated, so that the difference value between the first count value and the updated second count value is smaller;
and storing the updated second count value. Wherein the difference threshold is within a difference interval.
In some embodiments, when the first power parameter value is within the second value interval, according to the door lock operation signal, performing a corresponding control operation on the door lock, including:
When the number of the door lock operation signals acquired within the preset time period exceeds a preset time threshold, corresponding control operation is carried out on the door lock according to the door lock operation signals with the number.
In some embodiments, the door lock operation signal is a radio frequency signal.
In some embodiments, the vehicle door lock control method further comprises:
acquiring a second electric quantity parameter value;
and when the first electric quantity parameter value is in a third numerical value interval representing that charging is allowed, and the second electric quantity parameter value is in a fourth numerical value interval representing that the electric quantity of the standby power supply is insufficient, controlling the main power supply to charge the standby power supply.
In some embodiments, controlling the primary power source to charge the backup power source includes:
and controlling the main power supply to charge the standby power supply until the second electric quantity parameter value is in a fifth value interval representing that the electric quantity of the standby power supply is sufficient.
In some embodiments, the vehicle door lock control method further comprises:
and when the first electric quantity parameter value is in the first numerical range, disabling the standby power supply to supply power.
In some embodiments, according to the door lock operation signal, performing a corresponding control operation on the door lock includes:
when the door lock is in an unlocking state, controlling the door lock to be locked according to a door lock operation signal;
When the door lock is in a locking state, the door lock is controlled to be unlocked according to the door lock operation signal.
In a second aspect, embodiments of the present disclosure provide a vehicle door lock control system that includes a backup controller, and a body controller, a backup power source, a signal receiver, and a door lock that are respectively connected to the backup controller. Wherein the standby controller is configured to perform the steps of the vehicle door lock control method in any of the embodiments.
The vehicle body controller is connected with the door lock and is used for being connected with a main power supply of the vehicle. The vehicle body controller is used for: and receiving a door lock operation signal forwarded by the standby controller, and executing corresponding control operation on the door lock according to the forwarded door lock operation signal.
In some embodiments, the standby controller includes a first processor and a first door lock driver, the first door lock driver is configured to receive a control signal generated by the first processor according to a door lock operation signal, and drive the door lock to unlock or lock.
The vehicle body controller comprises a second processor and a second door lock driver, wherein the second door lock driver is used for receiving a control signal generated by the second processor according to a door lock operation signal and driving the door lock to unlock or lock.
In a third aspect, the disclosed embodiments provide a vehicle including the vehicle door lock control system of any of the embodiments.
In a fourth aspect, an embodiment of the present disclosure provides a standby controller for a vehicle door lock, comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
acquiring a door lock operation signal received by a signal receiver;
acquiring a first electric quantity parameter value;
when the first electric quantity parameter value is in a first value interval representing that the electric quantity state of the main power supply is normal, forwarding a door lock operation signal to the vehicle body controller so that the vehicle body controller can execute corresponding control operation on the door lock according to the door lock operation signal;
and when the first electric quantity parameter value is in a second numerical interval representing the abnormal electric quantity state of the main power supply, starting the standby power supply to supply power, and executing corresponding control operation on the door lock according to the door lock operation signal.
In a fifth aspect, embodiments of the present disclosure provide a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:
Acquiring a door lock operation signal received by a signal receiver;
acquiring a first electric quantity parameter value;
when the first electric quantity parameter value is in a first value interval representing that the electric quantity state of the main power supply is normal, forwarding a door lock operation signal to the vehicle body controller so that the vehicle body controller can execute corresponding control operation on the door lock according to the door lock operation signal;
and when the first electric quantity parameter value is in a second numerical interval representing the abnormal electric quantity state of the main power supply, starting the standby power supply to supply power, and executing corresponding control operation on the door lock according to the door lock operation signal.
In the vehicle door lock control method and the system, the vehicle, the standby controller and the storage medium, when the vehicle door lock control method is implemented, if the electric quantity of the main power supply of the vehicle is insufficient, the standby controller can be powered by the standby power supply to control the door lock. In addition, when the electric quantity of the main power supply is sufficient, the door lock operation signal is still received through the standby controller, a signal receiver does not need to be specially configured for the vehicle body controller, a circuit for directly connecting the vehicle body controller and the signal receiver does not need to be designed, and the circuit structure is simplified and the energy consumption is reduced. Furthermore, as the vehicle body controller has more functions and larger power consumption, when the electric quantity of the main power supply is insufficient, the standby power supply does not need to supply power to the vehicle body controller, and the vehicle body controller is beneficial to further reducing the energy consumption so as to meet the most basic requirements of unlocking operation and locking operation.
Drawings
FIG. 1 is a diagram of an application environment for a vehicle door lock control method in some embodiments;
FIG. 2 is a flow chart of a method of controlling a vehicle door lock according to some embodiments;
FIG. 3 is a flow diagram of a match verification step involved in some embodiments;
FIG. 4 is a block diagram of a standby controller and a body controller in some embodiments;
fig. 5 is a block diagram of yet another configuration of a standby controller in some embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.
The vehicle door lock control method provided by the embodiment of the disclosure can be applied to an application environment as shown in fig. 1. The standby controller 101 is respectively connected with the vehicle body controller 102, the main power supply 103, the standby power supply 104, the signal receiver 105 and the door lock 106, and the vehicle body controller 102 is also respectively connected with the main power supply 103 and the door lock 106.
The standby controller 101 and the body controller 102 may each include the same type or different types of processors, and the processor in the standby controller 101 or the body controller 102 may be implemented in at least one hardware form of a Programmable Logic Array (PLA), a Field Programmable Gate Array (FPGA), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a general purpose processor, or other programmable logic device.
Taking the application of the vehicle door lock control method to the standby controller 101 in fig. 1 as an example, in some embodiments, as shown in fig. 2, the vehicle door lock control method includes steps S201, S202, S203, and S204 that the standby controller 101 may perform, and each step is described below.
Step S201: the door lock operation signal received by the signal receiver 105 is acquired.
The signal receiver 105 is for receiving a door lock operation signal. In some alternative embodiments, the signal receiver 105 may be further configured to transmit signals in addition to receiving signals, and is not particularly limited herein.
The signal receiver 105 may be a radio frequency signal receiving device, and in this case, the corresponding door lock operation signal is a radio frequency signal. Of course, the signal receiver 105 may be other types of electric signal receiving devices, for example, electromagnetic wave signal receiving devices in frequency bands other than radio frequency, or current signal and voltage signal receiving devices, which may be specifically designed according to practical requirements. Thus, in some alternative embodiments, the signal receiver 105 may receive a wireless, electromagnetic wave based door lock operation signal. For example, when the signal receiver 105 is a radio frequency communication module of a vehicle, it may receive a door lock operation signal with a radio frequency range transmitted from a remote key, a smart phone, or an NFC (near field communication) key of a vehicle owner. In alternative embodiments, the signal receiver 105 may also receive a door lock operation signal from a conductor using current or voltage as an information carrier. For example, when a capacitive touch switch is provided on the door handle of some vehicles, the capacitive touch switch may be regarded as the signal receiver 105, and the corresponding door lock operation signal may be a human body current sensed by the capacitive touch switch.
It is understood that the signal receiver 105 may be various, and accordingly, the type of the door lock operation signal may be various.
The door lock operation signal is used to instruct the standby controller 101 or the vehicle body controller 102 to perform a control operation on the door lock 106. The acquisition of the door lock operation signal received by the signal receiver 105 may refer to that the standby controller 101 directly acquires the door lock operation signal received by the signal receiver 105; it may also mean that the standby controller 101 indirectly acquires the door lock operation signal received by the signal receiver 105 via another device. In some cases, the door lock operation signal acquired by the standby controller 101 may be a signal processed by a signal processing circuit such as shaping and filtering.
Step S202: and acquiring a first electric quantity parameter value.
The main power supply 103 of the vehicle includes a battery. Batteries commonly used in vehicles include, but are not limited to, nickel-metal hydride batteries, lead-acid batteries, or lithium ion batteries.
The first electric quantity parameter value is a value of the first electric quantity parameter and is used for representing the residual electric quantity of the main power supply 103. Typically, the first charge parameter may take the form of SOC (state of charge). Of course, the first electrical parameter may also be a parameter having other physical meaning, such as voltage, current, impedance, or quality, and is not particularly limited herein. One skilled in the art may select one or more physical parameters from among the physical parameters for measuring or evaluating the power supply power level used by various power supply power level detection techniques as the first power level parameter according to specific and practical needs. It is understood that the first electrical parameter value may include a value of one physical parameter or may include values of a plurality of physical parameters, for example, in some alternative embodiments, the first electrical parameter value may include an SOC value and a temperature value of the main power source.
The first power parameter value may be obtained using various power supply power detection techniques, and an associated sensor or detection module for detecting the first power parameter value may send the first power parameter value to the standby controller 101. Of course, the standby controller 101 may also obtain the first power parameter value by reading a storage device for storing the first power parameter value.
Step S203: when the first electric quantity parameter value is within the first value interval representing that the electric quantity state of the main power supply is normal, the door lock operation signal is forwarded to the vehicle body controller 102, so that the vehicle body controller 102 can execute corresponding control operation on the door lock 106 according to the door lock operation signal.
If the obtained first power parameter value is within the first value interval, it indicates that the power state of the main power supply 103 is normal. The first value interval can be set according to actual needs, that is, the value of the first electric quantity parameter corresponding to the normal electric quantity state of the main power supply 103 can be determined according to actual needs, so as to determine the first value interval. Taking the SOC as an example of the first power parameter, assuming that the SOC value is 0% and indicates that the main power supply 103 is completely discharged and the SOC value is 100% and indicates that the main power supply 103 is full, the first value interval may be 15% to 100% in some cases. At this time, if the obtained first power parameter value is greater than or equal to 15% and does not exceed 100%, it indicates that the first power parameter is within the first value interval, and the power state of the main power supply 103 is normal at the time corresponding to the first power parameter value. When the first electrical parameter value comprises values of a plurality of physical parameters, the corresponding first value interval will also comprise corresponding value intervals of the physical parameters.
In step S203, the standby controller 101 forwards the door lock operation signal to the vehicle body controller 102, meaning that the standby controller 101 does not directly participate in the control of the door lock 106 at this time, but the vehicle body controller 102 directly controls the door lock 106.
The body controller 102 is typically the main controller of the vehicle and can control the unlocking or locking of the door locks 106 of the body of the vehicle. In addition, in some alternative embodiments, the body controller 102 may also control lights, speakers, or other devices provided on the body. It follows that in some alternative embodiments, an electronic control unit (ECU, electronicControlUnit) for controlling the vehicle body electrical system may be directly employed as the vehicle body controller 102, and in this case, the vehicle body controller 102 may also be referred to as a BCM (body control module) of the vehicle.
Step S203 and the execution of the control operation mentioned elsewhere herein refer to the standby controller 101 or the vehicle body controller 102 exerting control on the door lock 106. For example, the standby controller 101 or the body controller 102 may control the door lock 106 to unlock, latch, or perform other types of actions. Other types of actions may include mechanical actions other than unlocking, locking, data processing actions, or signaling actions that the door lock 106 is capable of performing, depending on the mechanical and/or electrical configuration of the door lock 106.
Step S203 and the corresponding control operation of the door lock 106 according to the door lock operation signal mentioned elsewhere herein means that the standby controller 101 or the vehicle body controller 102 may determine the corresponding control signal according to the door lock operation signal, thereby applying the corresponding control to the door lock 106. In some alternative embodiments, different door lock operation signals correspond to different control signals that are used to control unlocking or locking of the door lock 106.
Step S204: when the first electric quantity parameter value is in the second value interval representing the abnormal electric quantity state of the main power supply, the standby power supply 104 is started to supply power, and corresponding control operation is performed on the door lock 106 according to the door lock operation signal.
The setting mode of the second numerical value interval is the same as the principle of the setting mode of the first numerical value interval, that is, the value of the first electric quantity parameter corresponding to the abnormal electric quantity state of the main power supply 103 can be determined according to actual needs, so as to determine the second numerical value interval. Unlike the first value interval, the second value interval characterizes an abnormality in the state of charge of the main power supply 103. The second value interval may or may not be adjacent to the first value interval. In the case where the second value interval is not adjacent to the first value interval, there may be other value intervals between the two intervals.
In step S204, the standby power supply 104 is enabled to supply power, and the object of power supply may include, but is not limited to, the standby controller 101. At this time, the standby controller 101 may perform the corresponding control operation on the door lock 106 directly according to the door lock operation signal without the vehicle body controller 102 and the main power supply 103 participating in the control of the door lock 106.
Of course, in some alternative embodiments, the vehicle door lock control method may include the steps of: and when the first electric quantity parameter value is in the first numerical range, disabling the standby power supply 104 from supplying power. Disabling the backup power source 104 includes at least disabling the backup power source 104 from providing the backup controller 101 with an operating voltage or operating current required for normal operation of the backup controller 101; further, disabling the backup power source 104 from powering other devices or electrical components other than the backup controller 101 may also be included. At this time, more power can be reserved for the standby power supply 104 for supplying power to the standby controller 101 when the power of the main power supply 103 is insufficient.
By executing step S201, step S202, step S203, and step S204, when the electric quantity of the main power supply 103 of the vehicle is insufficient, the standby controller 101 can be supplied with power by the standby power supply 104 to control the door lock 106. In addition, when the electric quantity of the main power supply 103 is sufficient, the door lock operation signal is still received through the standby controller 101, a signal receiver is not required to be specially configured for the vehicle body controller 102, and a circuit for directly connecting the vehicle body controller 102 and the signal receiver 105 is not required to be designed, so that the circuit structure is simplified and the energy consumption is reduced. Furthermore, since the vehicle body controller 102 generally has more functions and higher power consumption, when the electric quantity of the main power supply 103 is insufficient, the standby power supply 104 does not need to supply power to the vehicle body controller 102, which is also beneficial to further reducing the energy consumption to meet the most basic requirements of performing the unlocking operation and the locking operation.
In some embodiments, the door lock operation signal carries first encrypted data. Accordingly, as shown in fig. 3, the vehicle door lock control method may further include the steps of:
step S301, reading the stored second encrypted data;
step S302, performing matching verification on the first encrypted data and the second encrypted data;
step S303, after the matching verification is passed, updating the second encrypted data and storing the second encrypted data.
Accordingly, in step S203, forwarding the door lock operation signal to the vehicle body controller 102 may include: step S304, the door lock operation signal that passes the matching verification is forwarded to the vehicle body controller 102. In step S204, according to the door lock operation signal, a corresponding control operation is performed on the door lock 106, which may include: step S305, corresponding control operation is performed on the door lock 106 according to the door lock operation signal that passes the matching verification.
If the standby controller 101 includes a memory, the second encrypted data in step S301 may be stored in the memory of the standby controller 101. Of course, the second encrypted data may be stored in another memory having a connection relationship with the standby controller 101, and is not particularly limited herein.
By performing the matching verification on the first encrypted data and the second encrypted data, when the matching verification is passed, the corresponding control operation is performed, which is beneficial to improving the safety, so that the standby controller 101 of the vehicle is not easily triggered by signals sent by other signal transmitters which do not belong to the vehicle owner or have legal relevance with the standby controller 101 of the vehicle to perform the control operation. Meanwhile, the situation that the signal transmitter of the other car owner controls the door lock 106 of the car owner to unlock while controlling the car (particularly the car with the same model as the car of the car owner) to unlock can also be avoided. The signal transmitter includes, but is not limited to, a remote key, a smart phone, an NFC key, etc., which can transmit a door lock operation signal.
The aforementioned matching verification is used for verifying whether the first encrypted data and the second encrypted data match, that is, for verifying whether the first encrypted data and the second encrypted data have a preset mapping relationship. The mapping includes, but is not limited to: the difference between the first encrypted data and the second encrypted data in value is within an allowable range, and the first encrypted data and the second encrypted data have certain same fields or have a mapping relation in a preset encryption algorithm. The encryption algorithm comprises a symmetric encryption algorithm or an asymmetric encryption algorithm, and can be specifically designed according to actual needs.
When the matching verification is passed, if the first electric quantity parameter value is in a first numerical value interval representing that the electric quantity state of the main power supply is normal, the standby controller 101 forwards a corresponding door lock operation signal to the vehicle body controller 102, and if the first electric quantity parameter value is in a second numerical value interval representing that the electric quantity state of the main power supply 103 is abnormal, the standby controller 101 executes corresponding control operation on the door lock 106 according to the corresponding door lock operation signal.
When the matching verification is not passed, the standby controller 101 neither forwards the corresponding door lock operation signal to the vehicle body controller 102 nor performs the corresponding control operation on the door lock 106 according to the corresponding door lock operation signal. Thus, if there is a mechanism for match verification, the standby controller 101 or the body controller 102 performs a corresponding control operation on the door lock 106, and the door lock operation signal according to the control operation signal is a door lock operation signal that passes the match verification.
In some alternative embodiments, the first encrypted data includes a first count value for recording a number of times the key fob transmits the door lock operation signal, and the second encrypted data includes a second count value for recording a number of times the signal receiver 105 receives the door lock operation signal. At this time, the step of matching verification may include: and judging whether the difference value between the first count value and the second count value is in a preset difference value interval, and if so, passing the matching verification.
Consider that there may be cases where: the remote key may emit a door lock operation signal due to an erroneous operation, etc., and the signal receiver 105 is not in a range where the door lock operation signal triggered by the erroneous operation can be sensed, and the first count value is changed while the second count value is not changed, and after that, the first count value and the second count value are not identical, but the difference is not large, which should be properly allowed. At this time, if the difference between the two is within the allowable range, that is, within the difference range, the corresponding door lock operation signal may be regarded as a legal signal, so as to perform the corresponding control operation on the door lock 106. In this way, erroneous operation is allowed appropriately and safety is also ensured.
In this embodiment, the remote key of the vehicle owner updates the first count value before or after transmitting the door lock operation signal once, and the first encrypted data carried by the door lock operation signal of this time may include the first count value before update or the first count value after update. In some cases, the first encrypted data may contain only the first count value; in other cases, the first encrypted data may also contain other data than the first count value. The first count value may be used to record the number of times the remote key transmits the door lock operation signal, that is, the number of times the first count value may transmit the door lock operation signal by the remote key has an association relationship. Accordingly, the encrypted data may also include only the second count value or further include more other data, where the second count value has an association relationship with the number of times the signal receiver 105 receives the door lock operation signal.
The difference between the first count value and the second count value is used to represent the difference between the first count value and the second count value in terms of value, and usually, an absolute value or an absolute difference may be taken, but of course, other forms may be taken, and the value of the difference may be represented. The difference interval can be selected according to actual needs. For example, when the difference between the first count value and the second count value takes an absolute value, the difference interval may include a value greater than 0 and less than 50, or the difference interval may include a value greater than 0 and less than 100.
When the difference between the first count value and the second count value is within a value interval outside the difference interval, the matching verification is considered to be failed.
And the difference value of the first count value and the second count value is utilized for matching verification, a complex encryption algorithm is not needed, the matching verification flow can be simplified, and the data processing resource can be saved.
In some alternative embodiments, the manner of updating and storing the second encrypted data may include:
increasing the second count value;
and when the increased second count value is not greater than the preset count value threshold, storing the increased second count value.
At this time, the manner of increasing the second count value includes, but is not limited to: the second count value is made larger by a preset increase. Typically, the second count value may be incremented by 1, i.e., the increment may be 1, every time the match verification is passed. Of course, the amplification may be other values, and may be selected according to actual needs, so long as it is ensured that the change of the first count value and the change of the second count value have an association relationship when the matching verification passes.
The count value threshold can take 1 ten thousand, 2 ten thousand or other values, and can be specifically determined according to actual requirements. When the second count value is greater than a preset count value threshold, zero clearing operation can be performed, namely, the second count value is changed into an original count value, at the moment, the remote control key can also change the first count value into the original count value, so that the difference value between the first count value and the second count value is reduced, and the situation that the difference value is overlarge and finally cannot pass matching verification due to the misoperation can be avoided.
In particular, in some alternative embodiments, the manner of updating and storing the second encrypted data may include: and when the increased second count value is larger than a preset count value threshold, storing the preset original count value as a new second count value. Correspondingly, the vehicle door lock control method further comprises the following steps: transmitting clear information to a designated terminal; the clear information is used to prompt or indicate that the first count value is set to the original count value.
The specified terminal may be a remote control key, and the clear information is used to instruct the remote control key to set the first count value as the original count value. The designated terminal may also be other types of terminals, such as a smart phone, a car-mounted computer, etc., where the clear information is used to prompt the designated terminal to set the first count value stored by the remote key as the original count value.
The preset original count value may be 0, or may be another value, which is not particularly limited herein.
In other alternative embodiments, the manner of updating and storing the second encrypted data may include:
when the difference value between the first count value and the second count value is larger than a preset difference value threshold, the second count value is updated, so that the difference value between the first count value and the updated second count value is smaller;
And storing the updated second count value.
The difference threshold is within the difference interval. Since the foregoing misoperation may make the difference between the first count value and the second count value continuously larger, the difference may be reduced when the difference is larger but still within an acceptable range, that is, when the difference is greater than a preset difference threshold and still within a difference interval, the second count value is updated, so that the difference between the first count value and the updated second count value becomes smaller. Accordingly, the manner of updating the second count value may be varied, for example, the updated second count value is kept coincident with the first count value, and the second count value is reduced or increased in accordance with the first count value, so long as the difference between the first count value and the updated second count value is reduced.
In some embodiments, when the first power parameter value is within the second value range, the standby controller 101 performs a corresponding control operation on the door lock 106 according to the door lock operation signal, and may include the following steps:
when the number of door lock operation signals acquired within the preset time period is detected to exceed the preset time threshold, a corresponding control operation is performed on the door lock 106 according to the door lock operation signals with the number.
The preset time length and the time threshold can be set according to actual needs, and attention is required to be paid, and the time threshold is at least 1. For example, the preset duration may be 2 seconds and the corresponding count threshold may be 2. Alternatively, the preset duration may be 3 seconds and the corresponding count threshold may be 3. At this time, if the signal transmitter of the door lock operation signal is a remote key, it is generally required that the number of times the vehicle owner presses the button related to the remote key within the preset time period exceeds the preset number of times threshold, and then unlocking, locking or controlling the door lock 106 to perform other actions. Because the first electric quantity parameter value is in the second value interval, which indicates that the electric quantity state of the main power supply of the vehicle is abnormal at that time, the standby controller 101 needs the standby power supply 104 to supply power, and the number of the door lock operation signals can be used to accurately determine the intention of the vehicle owner in view of saving electric quantity, so as to control the door lock 106 to execute corresponding actions. At the same time, the safety of the control door lock 106 can also be improved, and the control mode is not easy to crack.
In some embodiments, the vehicle door lock control method may further include the steps of:
acquiring a second electric quantity parameter value;
and when the first electric quantity parameter value is in a third value interval representing that charging is allowed and the second electric quantity parameter value is in a fourth value interval representing that the electric quantity of the standby power supply 104 is insufficient, controlling the main power supply 103 to charge the standby power supply 104.
The second power parameter value is a value of the second power parameter, and is used for representing the remaining power of the standby power supply 104. Typically, the second charge parameter may take the form of SOC (SOC is StateofCharge, battery state of charge). Of course, the second electric quantity parameter value may also be any other physical parameter such as voltage, current, impedance or quality, and is not particularly limited herein. The second electrical quantity parameter may be consistent with the first electrical quantity parameter. The manner of obtaining the second electric quantity parameter value and the manner of obtaining the first electric quantity parameter value may be in principle in communication, and will not be described herein.
The third value interval may coincide with the first value interval or may be within the first value interval. For example, when the first numerical range is 15% to 100%, the third numerical range may be 25% to 100%. When the second power parameter value is in the third value interval, it indicates that the main power supply 103 is allowed to charge the standby power supply 104.
The value of the second power parameter corresponding to the insufficient power of the standby power supply 104 may be determined according to the actual requirement, so as to determine the fourth value interval. Therefore, the value of the fourth numerical range is not particularly limited. For example, taking the SOC as an example of the second power parameter, assuming that the SOC value does not exceed 10% indicates that the power of the backup power source 104 is insufficient, the fourth value interval may be 0% to 10% accordingly.
Further, controlling the main power supply 103 to charge the standby power supply 104 may include the following steps:
the main power supply 103 is controlled to charge the standby power supply 104 until the second power parameter value is within a fifth value interval indicative of sufficient power of the standby power supply 104.
The principle of the fifth numerical interval setting manner is the same as that of the fourth numerical interval setting manner, and the value of the second electric quantity parameter corresponding to the sufficient electric quantity of the standby power supply 104 can be determined according to the actual requirement, so as to determine the fifth numerical interval. The fifth value interval may or may not be adjacent to the fourth value interval. In the case where the fifth numerical interval and the fourth numerical interval are not adjacent, there may be other numerical intervals between the two intervals.
In some embodiments, the standby controller 101 or the vehicle body controller 102 performs a corresponding control operation on the door lock 106 according to the door lock operation signal, which may include:
when the door lock 106 is in an unlocked state, controlling the door lock 106 to be locked according to a door lock operation signal;
when the door lock 106 is in the locked state, the door lock 106 is controlled to unlock according to the door lock operation signal.
At this time, the corresponding door lock operation signal may not need to additionally carry data indicating whether to unlock or lock, in addition to the first encrypted data, which is beneficial to simplifying the data processing flows of the standby controller 101 and the vehicle body controller 102. The corresponding remote control key can have only one button, and the owner can transmit a door lock operation signal every time the owner presses the button.
It should be understood that, although the steps in the flowcharts of fig. 2 and 3 are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps illustrated in fig. 2 and 3, as well as the steps involved in other embodiments, are not strictly limited to the order of execution unless explicitly stated herein, and may be performed in other orders. Moreover, at least some of the steps of the foregoing embodiments may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
The disclosed embodiments also provide a vehicle door lock control system, which in some embodiments, as shown in fig. 1, may include the standby controller 101 in fig. 1, and a body controller 102, a standby power supply 104, a signal receiver 105, and a door lock 106 respectively connected to the standby controller 101. Wherein the standby controller 101 is configured to perform the steps of the vehicle door lock control method in any of the foregoing embodiments. The body controller 102 is connected to a door lock 106 and is used to connect to a main power supply 103 of the vehicle. The body controller 102 is configured to perform the steps of: the door lock operation signal forwarded by the standby controller 101 is received, and corresponding control operation is performed on the door lock 106 according to the forwarded door lock operation signal. The backup power source 104 is connected to the backup controller 101 to supply power to the backup controller 101 when the first electrical parameter value is within a second value interval indicative of an abnormal electrical state of the primary power source 103. The signal receiver 105 is configured to receive the door lock operation signal and transmit the received door lock operation signal to the standby controller 101. The door lock 106 is used to receive the control of the standby controller 101 or the body controller 102, and perform the corresponding actions, which have been described above, and will not be further developed here.
In some alternative embodiments, the backup controller 101, the body controller 102, the backup power source 104, the signal receiver 105, and the door lock 106 may all be mounted at the vehicle door. In other alternative embodiments, at least one of the components of the backup controller 101, the body controller 102, the backup power source 104, and the signal receiver 105 may be installed in other body locations than the vehicle door.
In some embodiments, the vehicle door lock control system may further include a main power supply 103 of fig. 1, the main power supply 103 being configured to power the standby controller 101 and the vehicle body controller 102.
In some embodiments, referring to fig. 1 and 4, the standby controller 101 may include a first processor 401 and a first door lock driver 402, where the first door lock driver 402 is configured to receive a control signal generated by the first processor 401 according to a door lock operation signal, and drive the door lock 106 to unlock or lock. Wherein the first processor 401 may be used to perform the steps of the vehicle door lock control method in any of the foregoing embodiments.
The body controller 102 may include a second processor 403 and a second door lock driver 404, where the second door lock driver 404 is configured to receive a control signal generated by the second processor 403 according to a door lock operation signal, and drive the door lock 106 to unlock or lock.
The disclosed embodiments also provide a vehicle including the vehicle door lock control system of any of the foregoing embodiments.
The disclosed embodiments also provide a standby controller for a vehicle door lock, in conjunction with fig. 1 and 5, in some embodiments, the standby controller 101 includes a memory 501, a processor 502, and a computer program 503 stored on the memory 501 and executable on the processor 502, where the processor 502 can implement the following steps when executing the computer program 503:
acquiring a door lock operation signal received by the signal receiver 105;
acquiring a first electric quantity parameter value;
when the first electric quantity parameter value is in a first value interval representing that the electric quantity state of the main power supply 103 is normal, forwarding a door lock operation signal to the vehicle body controller 102, so that the vehicle body controller 102 executes corresponding control operation on the door lock 106 according to the door lock operation signal;
when the first electric quantity parameter value is in the second value interval representing the abnormal electric quantity state of the main power supply 103, the standby power supply 104 is started to supply power, and corresponding control operation is performed on the door lock 106 according to the door lock operation signal.
In other embodiments, the processor 502, when executing the computer program 503, may also implement other steps of the vehicle door lock control method in any of the previous embodiments.
The processor 502 is used to provide computing and control capabilities, and the memory 501 includes non-volatile storage media, internal memory. The non-volatile storage medium may store an operating system, computer programs 503. The internal memory provides an environment for the operation of the operating system and computer programs 503 on the non-volatile storage media. The computer program 503, when executed by the processor 502, implements the steps of the vehicle door lock control method in any of the previous embodiments.
Those skilled in the art will appreciate that the structure shown in fig. 5 is merely a block diagram of a portion of the structure associated with an embodiment of the present disclosure and is not limiting of the spare controller to which an embodiment of the present disclosure is applied, and that a particular spare controller may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.
Accordingly, embodiments of the present disclosure also provide a computer-readable storage medium having stored thereon a computer program which, when executed by a processor of a standby controller, performs the steps of:
acquiring a door lock operation signal received by a signal receiver;
acquiring a first electric quantity parameter value;
When the first electric quantity parameter value is in a first value interval representing that the electric quantity state of the main power supply is normal, forwarding a door lock operation signal to the vehicle body controller so that the vehicle body controller can execute corresponding control operation on the door lock according to the door lock operation signal;
and when the first electric quantity parameter value is in a second numerical interval representing the abnormal electric quantity state of the main power supply, starting the standby power supply to supply power, and executing corresponding control operation on the door lock according to the door lock operation signal.
In other embodiments, the steps of the vehicle door lock control method of any of the previous embodiments may also be implemented when the computer program is executed by the processor of the standby controller.
Those skilled in the art will appreciate that implementing all or part of the above-described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided by the present disclosure may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples merely represent embodiments of the present disclosure, which are described in more detail and detail, but are not to be construed as limiting the scope of the present disclosure. It should be noted that variations and modifications can be made by those skilled in the art without departing from the spirit of the disclosure, which are within the scope of the disclosure. Accordingly, the scope of the present disclosure should be determined from the following claims.
Claims (17)
1. The vehicle door lock control method is characterized by being applied to a standby controller, wherein the standby controller is used for being connected with a main power supply, a standby power supply, a vehicle body controller, a signal receiver and a door lock of a vehicle respectively; the vehicle body controller is used for being connected with the main power supply and the door lock respectively;
the method comprises the following steps:
acquiring a door lock operation signal received by the signal receiver;
Acquiring a first electric quantity parameter value;
when the first electric quantity parameter value is in a first value interval representing that the electric quantity state of the main power supply is normal, forwarding the door lock operation signal to the vehicle body controller so that the vehicle body controller can execute corresponding control operation on the door lock according to the door lock operation signal;
and when the first electric quantity parameter value is in a second value interval representing the abnormal electric quantity state of the main power supply, starting the standby power supply to supply power, and executing corresponding control operation on the door lock according to the door lock operation signal.
2. The method of claim 1, wherein the door lock operation signal carries first encrypted data; the method further comprises the steps of:
reading the stored second encrypted data;
performing the matching verification on the first encrypted data and the second encrypted data;
after the matching verification is passed, updating the second encrypted data and storing the second encrypted data;
the forwarding the door lock operation signal to the vehicle body controller includes: forwarding the door lock operation signal passing the matching verification to the vehicle body controller;
according to the door lock operation signal, executing corresponding control operation on the door lock, including: and executing corresponding control operation on the door lock according to the door lock operation signal passing the matching verification.
3. The method of claim 2, wherein the first encrypted data includes a first count value for recording a number of times a key fob transmits a door lock operation signal; the second encrypted data includes a second count value for recording the number of times the signal receiver receives a door lock operation signal;
the matching verification includes: and judging whether the difference value between the first count value and the second count value is in a preset difference value interval, and if so, passing the matching verification.
4. A method according to claim 3, wherein said updating and storing said second encrypted data comprises:
increasing the second count value;
and when the increased second count value is not greater than a preset count value threshold, storing the increased second count value.
5. The method of claim 4, wherein the updating and storing the second encrypted data further comprises:
when the increased second count value is larger than the count value threshold, storing a preset original count value as a new second count value;
the method further comprises the steps of: transmitting clear information to a designated terminal; the clear information is used for prompting or indicating that the first count value is set to the original count value.
6. A method according to claim 3, wherein said updating and storing said second encrypted data comprises:
when the difference value between the first count value and the second count value is larger than a preset difference value threshold, updating the second count value to enable the difference value between the first count value and the updated second count value to be smaller; the difference threshold is within the difference interval;
and storing the updated second count value.
7. The method according to any one of claims 1 to 6, wherein when the first electrical quantity parameter value is within the second value interval, the performing, according to the door lock operation signal, a corresponding control operation on the door lock includes:
when the number of the door lock operation signals acquired within the preset time period exceeds a preset time threshold, corresponding control operation is carried out on the door lock according to the door lock operation signals with the number.
8. The method of any one of claims 1 to 6, wherein the door lock operation signal is a radio frequency signal.
9. The method according to claim 1, wherein the method further comprises:
acquiring a second electric quantity parameter value;
And when the first electric quantity parameter value is in a third numerical value interval representing that charging is allowed, and the second electric quantity parameter value is in a fourth numerical value interval representing that the electric quantity of the standby power supply is insufficient, controlling the main power supply to charge the standby power supply.
10. The method of claim 9, wherein the controlling the primary power source to charge the backup power source comprises:
and controlling the main power supply to charge the standby power supply until the second electric quantity parameter value is in a fifth value interval representing that the electric quantity of the standby power supply is sufficient.
11. The method according to claim 1, wherein the method further comprises:
and when the first electric quantity parameter value is in the first numerical value interval, the standby power supply is forbidden to supply power.
12. The method of claim 1, wherein said performing a corresponding control operation on said door lock in accordance with said door lock operation signal comprises:
when the door lock is in an unlocking state, controlling the door lock to be locked according to the door lock operation signal;
and when the door lock is in a locking state, controlling the door lock to be unlocked according to the door lock operation signal.
13. The vehicle door lock control system is characterized by comprising a standby controller, a vehicle body controller, a standby power supply, a signal receiver and a door lock, wherein the vehicle body controller, the standby power supply, the signal receiver and the door lock are respectively connected with the standby controller;
wherein the standby controller is adapted to perform the steps of the method of any one of claims 1 to 12;
the vehicle body controller is connected with the door lock and is used for being connected with a main power supply of a vehicle; the vehicle body controller is used for: and receiving the door lock operation signal forwarded by the standby controller, and executing corresponding control operation on the door lock according to the forwarded door lock operation signal.
14. The vehicle door lock control system of claim 13, wherein the standby controller comprises a first processor and a first door lock driver for receiving a control signal from the first processor generated in accordance with the door lock operation signal to drive the door lock to unlock or lock;
the vehicle body controller comprises a second processor and a second door lock driver, wherein the second door lock driver is used for receiving a control signal generated by the second processor according to the door lock operation signal and driving the door lock to unlock or lock.
15. A vehicle comprising the vehicle door lock control system according to claim 13 or 14.
16. A standby controller for a vehicle door lock, comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of the method of any one of claims 1 to 12 when the computer program is executed.
17. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 12.
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| CN202211527577.9A CN116424266A (en) | 2022-11-30 | 2022-11-30 | Vehicle door lock control method and system thereof, vehicle and standby controller |
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| CN202211527577.9A CN116424266A (en) | 2022-11-30 | 2022-11-30 | Vehicle door lock control method and system thereof, vehicle and standby controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2025194950A1 (en) * | 2024-03-20 | 2025-09-25 | 深圳引望智能技术有限公司 | Vehicle unlocking method and system, and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2025194950A1 (en) * | 2024-03-20 | 2025-09-25 | 深圳引望智能技术有限公司 | Vehicle unlocking method and system, and vehicle |
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