CN202966231U - Car anti-theft system, wireless remote key and vehicle-mounted anti-theft equipment - Google Patents
Car anti-theft system, wireless remote key and vehicle-mounted anti-theft equipment Download PDFInfo
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Abstract
The utility model provides a car anti-theft system. The car anti-theft system comprises a wireless remote key and vehicle-mounted anti-theft equipment, wherein the wireless remote key consists of a low-frequency wireless transmitting module, a first Bluetooth module, a battery, a first storage module and a trigger key, and the first storage module is used for storing a secret key for starting search work of a second Bluetooth module; the vehicle-mounted anti-theft equipment consists of a low-frequency wireless receiving module, the second Bluetooth module, a second storage module and a processor, the low-frequency wireless receiving module is used for receiving and verifying whether the secret key transmitted by the low-frequency wireless transmitting module and used for starting search work of the second Bluetooth module is correct or not, the second storage module is used for storing an identification code of Bluetooth equipment of a legal user, the processor is connected with the second Bluetooth module, the low-frequency wireless transmitting module transmits the secret key to the low-frequency wireless receiving module under the triggering of the trigger key, the processor controls the second Bluetooth module to start search work after the low-frequency wireless receiving module receives the correct secret key, and the processor controls a door block device to unlock the door lock after the first Bluetooth module is searched by the second Bluetooth module.
Description
[technical field]
The utility model belongs to the interleaving techniques field of wireless communication technology and automotive safety, relate to a kind of automotive theft proof system, wireless remote controlled keys and vehicle-mounted antitheft equipment, be specifically related to a kind of a kind of automotive theft proof system, wireless remote controlled keys and vehicle-mounted antitheft equipment based on the bluetooth checking.
[background technology]
Today that automobile is day by day universal, automobile burglar has become the very important problem of field of automobile safety, existing automobile burglar technology is mainly concentrated mechanical lock or above the electronic remote remote-controlled lock, its principle also is based on by key being locked into the principle of row checking, who has grasped key and has namely obtained checking to this lock, thereby has also just removed the safety control of this lock to automobile.
The principle of work of electronic remote remote-controlled lock automotive theft proof system is: the remote-control key of this system sends faint electromagnetic wave as emitter, receiver in automobile receives this electromagnetic wave signal, through electronic controller ECU identification signal code, then carried out by the actr of this system and open/action of locking.The frequency of emitter emission is at 300MHZ～450MHZ, belong to the high frequency radio wave signal, the transmitting frequency of this electric wave signal immobilizes, and other equipment that is easy to be positioned in its signal range is caught, perhaps disturbed by the artificial interfering signal that applies, so this anti-theft system safety is not high.
In order to improve the difficulty that cracks of automotive theft proof system, people have expected Bluetooth technology is incorporated in automotive theft proof system, major cause be bluetooth adopt be frequency hopping with and unique authentication and encryption technology.The simple automotive theft proof system of Bluetooth technology that adopts is divided into two classes mostly:
One class is with Chinese utility model patent (application number: 03205938.8, the applying date: on 08 08th, 2003) disclosed a kind of car alarm that uses Bluetooth technology, the principle of work of this car alarm is such: the bluetooth mobile phone that detects the user when Car Burglar Alarm enters in the communication context of bluetooth, confirm mutually immediately identity, begin swap date after determining, Car Burglar Alarm automatically terminates antitheft immediately when signal strength arrives the intensity of user's setting; Otherwise after vehicle was flame-out, the user left vehicle, and signal strength set lower than the user intensity the time Car Burglar Alarm automatic setting is antitheft immediately.The shortcoming of this patent is: due to bluetooth one direct-open that needs the anti theft host on car, and at every moment scanning its near bluetooth equipment the time, the people could be very fast when the vehicle search out the entrained bluetooth telephone of people, so its consumption of current of the anti theft host on car will be very large, and work as bluetooth one direct-open of the anti theft host on car and be under the state of continuous scanning, this provides time and chance for the passwords that the lawless person cracks bluetooth.
for above-mentioned shortcoming, Chinese utility model patent (publication number: CN201291830Y, open day: on 08 19th, 2009) a kind of Bluetooth keyless vehicle alarm of infrared induction is disclosed, it is to have increased the infrared induction module on the basis of existing Bluetooth keyless vehicle alarm, judge whether have people or object to exist in the actual induction zone by the infrared induction module, and send relevant information to core processor, the various signals that core processor will be received are processed, judgement, starting the bluetooth communication module by core processor confirms car owner's identity.This patent is than the advantage of above-mentioned patent, can start the bluetooth communication module by infrared induction, has avoided the bluetooth communication module to be in opening always, has saved electric energy, has also reduced the probability that is cracked simultaneously.
but the safety of this car alarm does not obtain the raising of essence, reason is, infrared induction module role only is used for identifying in the actual induction zone, whether someone exists, and be specifically the car owner, it can not play actv. and distinguish, so angle from safety, the induction region of infrared induction module is interior just can open the bluetooth communication module to the robber as long as arrive, thereby begin it is cracked, this and there is no the infrared induction module, the safety that directly allows the bluetooth communication module always be in opening is essentially identical, its safety is not significantly improved.
In addition on the one hand, because the induction region of its infrared induction module only extends to the outer whether close car of car owner of could identifying of car, because it can not identify car owner's identity, so as long as people or object are arranged near car, the bluetooth communication module is just opened automatically, this is obviously that bluetooth communication module job procedure is caused unnecessary interference, and switch bluetooth communication module has also reduced its service life frequently simultaneously.If the induction region of its infrared induction module is only in very little area division of operator's compartment, its induction region can not extend to outside car, the outer non-car owner of car can not cause interference to the job procedure of bluetooth communication module naturally, its safety is also higher, but design if so, this car alarm can only be used for igniting, oil circuit and the circuit control system of opening automobile, and it can not be used for controlling the open and close of car door.
Also have to be exactly a bit, because the False Rate of infrared induction module is high, so it needs other some accessory equipments that its data are revised, and the process of Installation and Debugging is complicated, has increased the cost of Car Burglar Alarm.
[utility model content]
The purpose of this utility model is exactly the problem for the safety deficiency that solves existence of the prior art, the automotive theft proof system that a kind of employing wireless remote controlled keys and bluetooth checking (mainly take Bluetooth of mobile phone as main) combines is proposed, this automotive theft proof system has good concealment, the characteristics such as consumption of current is few, and is safe, simple to operate and with low cost.
Concrete technical scheme of the present utility model is as follows:
the utility model provides a kind of automotive theft proof system, comprise: wireless remote controlled keys and vehicle-mounted antitheft equipment, described wireless remote controlled keys comprise low-frequency wireless transmitter module, the first bluetooth module, battery, store first memory module of opening the second bluetooth module search key and trigger key, described vehicle-mounted antitheft equipment comprises for the key that receives and verify unlatching the second bluetooth module search that the low-frequency wireless transmitter module sends correct low-frequency wireless receiver module whether, be used for searching the second bluetooth module of the bluetooth equipment in its Bluetooth signal scope, the second memory module and the treater that are used for the bluetooth equipment heading code of storage validated user, this treater is connected with the second bluetooth module, described low-frequency wireless transmitter module sends to the low-frequency wireless receiver module with key under the triggering that triggers key, described treater is controlled the second bluetooth module and is opened search after the low-frequency wireless receiver module receives correct key, described treater control gate locking device after the second bluetooth module searches the first bluetooth module begins door lock.
Further, described vehicle-mounted antitheft equipment also comprises be used to the timer device that limits described the second bluetooth module search time, when described treater does not search the first bluetooth module at described the second bluetooth module within this time, control described the second bluetooth module and close search, described the second bluetooth module stops search searching the first bluetooth module within this time after.
Further, described vehicle-mounted antitheft equipment also comprises be used to being limited to processing module to be controlled the second bluetooth module and closes after search work the second bluetooth module limit time device of opening times again, when described treater does not search the first bluetooth equipment at the second bluetooth module in this number of times, control low-frequency wireless control receiver module and temporarily stop reception in 30～60 minutes and authentication secret.
Further, under the triggering that triggers key, described the first bluetooth module is opened or closes.
Further, all also store the pairing password of the first bluetooth module and the second bluetooth module pairing in described the first memory module and the second memory module, described the first bluetooth module sends to the second bluetooth module with described pairing password under the triggering that triggers key, and treater control gate locking device after the second bluetooth module and described the first bluetooth module successful matching begins door lock.
The utility model also provides a kind of wireless remote controlled keys, it is characterized in that, described wireless remote controlled keys comprises low-frequency wireless transmitter module, the first bluetooth module, battery, stores the first memory module of key and trigger key; Described low-frequency wireless transmitter module sends key under the triggering that triggers key, and under the triggering that triggers key, described the first bluetooth module is opened or closes.
Further, described the first memory module also stores the Bluetooth pairing password, and described the first bluetooth module sends described pairing password under the triggering that triggers key.
the utility model separately provides a kind of vehicle-mounted antitheft equipment, it is characterized in that, described vehicle-mounted antitheft equipment comprises for receiving and verify the key correct low-frequency wireless receiver module whether of opening the second bluetooth module search, be used for searching the second bluetooth module of the bluetooth equipment in its Bluetooth signal scope, the second memory module and the treater that are used for the bluetooth equipment heading code of storage validated user, this treater is connected with the second bluetooth module, described treater is controlled the second bluetooth module and is opened search after the low-frequency wireless receiver module receives correct key, described treater control gate locking device after the second bluetooth module searches legal bluetooth module begins door lock.
Further, described vehicle-mounted antitheft equipment also comprises be used to the timer device that limits described the second bluetooth module search time, when described treater does not search the first bluetooth module at described the second bluetooth module within this time, control described the second bluetooth module and close search, described the second bluetooth module stops search searching the first bluetooth module within this time after; Described vehicle-mounted antitheft equipment also comprises be used to being limited to processing module to be controlled the second bluetooth module and closes after search work the second bluetooth module limit time device of opening times again, when described treater does not search the first bluetooth equipment at the second bluetooth module in this number of times, control low-frequency wireless control receiver module and temporarily stop reception in 30～60 minutes and authentication secret.
All also store the pairing password of the first bluetooth module and the second bluetooth module pairing in described the first memory module and the second memory module, described the first bluetooth module sends to the second bluetooth module with described pairing password under the triggering that triggers key, and treater control gate locking device after the second bluetooth module and described the first bluetooth module successful matching begins door lock.
The technique effect that the utility model is useful is:
Open the second bluetooth module by key authentication and begin search, whether compare infrared induction module induction has human body to have to open the second bluetooth module to begin search, whether the people that can identify more accurately near car body is validated user, thereby improved safety, simultaneously it is used for opening the second bluetooth module to begin the low-frequency wireless transmitter module of search with low cost, operates also very convenient.
Time and the number of times searched by limiting described the second bluetooth module reduce time and probability that the lawless person cracks anti-theft system, have greatly improved safety.
Control the second bluetooth module and close the number of times that the second bluetooth module is opened again after search work by being limited to treater, can further reduce the probability that the lawless person cracks this automotive theft proof system, make the safety of this anti-theft system greatly improve.
By arranging the first bluetooth module and low-frequency wireless transmitter module as a whole, make the user be convenient for carrying, and very hidden, by triggering key On/Off the first bluetooth module, can also make the first bluetooth module in wireless remote controlled keys be in closed condition non-when needing opening car door, both saved electric energy, when preventing from simultaneously again being positioned at the signal range of the second bluetooth module because of validated user, the lawless person cracks this anti-theft system by cracking key, makes safety improve.
[Figure of description]
Fig. 1 is the structured flowchart of the automotive theft proof system of the utility model embodiment 1;
Fig. 2 is the structured flowchart of the vehicle-mounted antitheft equipment of the utility model embodiment 1;
Fig. 3 is the structured flowchart of the wireless remote controlled keys of the utility model embodiment 2.
[specific embodiment]
The utility model relates to a kind of automotive theft proof system, below in conjunction with Figure of description and specific embodiment, the utility model is further elaborated:
Embodiment 1
As shown in Figure 1, a kind of automotive theft proof system comprises:
wireless remote controlled keys and vehicle-mounted antitheft equipment, described wireless remote controlled keys comprise low-frequency wireless transmitter module, the first bluetooth module, battery, store first memory module of opening the second bluetooth module search key and trigger key, described vehicle-mounted antitheft equipment comprises for the key that receives and verify unlatching the second bluetooth module search that the low-frequency wireless transmitter module sends correct low-frequency wireless receiver module whether, be used for searching the second bluetooth module of the bluetooth equipment in its Bluetooth signal scope, the second memory module and the treater that are used for the bluetooth equipment heading code of storage validated user, this treater is connected with the second bluetooth module, described low-frequency wireless transmitter module sends to the low-frequency wireless receiver module with key under the triggering that triggers key, described treater is controlled the second bluetooth module and is opened search after the low-frequency wireless receiver module receives correct key, described treater control gate locking device after the second bluetooth module searches the first bluetooth module begins door lock.
Described the second bluetooth module is in closed condition always, unless just open after described low-frequency wireless receiver module receives correct key.
Door lock assembly comprises the motor of door switch, the activity of control gate lock-switch, the micro controller system that drive motor rotates, and described micro controller system receives the control command of described treater, and drive motor rotates, thereby controls door-lock opening or close.
Described treater can be ARM embedded microprocessor or micro controller system, is responsible for processing various data commands.
Described vehicle-mounted antitheft equipment also comprises be used to the timer device that limits described the second bluetooth module search time, when described treater does not search the first bluetooth module at described the second bluetooth module within this time, control described the second bluetooth module and close search, described the second bluetooth module stops search searching the first bluetooth module within this time after, and described the first bluetooth module stops search searching the first bluetooth module within this time after.Again opening the second bluetooth module needs again by key authentication, and described key is dynamic password, and last unlatching password is different with unlatching password next time, so just provides very high difficulty for the disabled user cracks anti-theft system of the present utility model.
Described vehicle-mounted antitheft equipment also comprises be used to being limited to processing module to be controlled the second bluetooth module and closes after search work the second bluetooth module limit time device of opening times again, when described treater does not search the first bluetooth equipment at the second bluetooth module in this number of times, control low-frequency wireless control receiver module and temporarily stop reception in 30～60 minutes and authentication secret.
All also store the pairing password of the first bluetooth module and the second bluetooth module pairing in described the first memory module and the second memory module, described the first bluetooth module sends to the second bluetooth module with described pairing password under the triggering that triggers key, and treater control gate locking device after the second bluetooth module and described the first bluetooth module successful matching begins door lock.
In fact, this automotive theft proof system comprises vehicle-mounted antitheft equipment and wireless remote controlled keys, and as shown in Figure 2, described vehicle-mounted antitheft equipment comprises:
described vehicle-mounted antitheft equipment comprises for receiving and verify the key correct low-frequency wireless receiver module whether of opening the second bluetooth module search, be used for searching the second bluetooth module of the bluetooth equipment in its Bluetooth signal scope, the second memory module and the treater that are used for the bluetooth equipment heading code of storage validated user, this treater is connected with the second bluetooth module, described treater is controlled the second bluetooth module and is opened search after the low-frequency wireless receiver module receives correct key, described treater control gate locking device after the second bluetooth module searches legal bluetooth module begins door lock.
Described vehicle-mounted antitheft equipment also comprises be used to the timer device that limits described the second bluetooth module search time, when described treater does not search the first bluetooth module at described the second bluetooth module within this time, control described the second bluetooth module and close search, described the second bluetooth module stops search searching the first bluetooth module within this time after; Described vehicle-mounted antitheft equipment also comprises be used to being limited to processing module to be controlled the second bluetooth module and closes after search work the second bluetooth module limit time device of opening times again, when described treater does not search the first bluetooth equipment at the second bluetooth module in this number of times, control low-frequency wireless control receiver module and temporarily stop reception in 30～60 minutes and authentication secret.
All also store the pairing password of the first bluetooth module and the second bluetooth module pairing in described the first memory module and the second memory module, described the first bluetooth module sends to the second bluetooth module with described pairing password under the triggering that triggers key, and treater control gate locking device after the second bluetooth module and described the first bluetooth module successful matching begins door lock.
As shown in Figure 3, described wireless remote controlled keys comprises low-frequency wireless transmitter module, the first bluetooth module, battery, stores the first memory module of key and trigger key; Described low-frequency wireless transmitter module sends key under the triggering that triggers key, under the triggering that triggers key, described the first bluetooth module is opened or closes, described the first memory module also stores the Bluetooth pairing password, and described the first bluetooth module sends described pairing password under the triggering that triggers key.
Above-described embodiment is to automotive theft proof system of the present utility model contrast detailed explanation and elaboration; those of ordinary skill in the art can both understand that thereby thought of the present utility model makes some simple distortion and improve according to the above embodiments; no matter how to be out of shape and to improve; as long as its distortion and improved technical scheme all should be subject to protection of the present utility model in design scope of the present utility model.
Claims (10)
1. automotive theft proof system, comprise: wireless remote controlled keys and vehicle-mounted antitheft equipment, described wireless remote controlled keys comprise low-frequency wireless transmitter module, the first bluetooth module, battery, store first memory module of opening the second bluetooth module search key and trigger key, described vehicle-mounted antitheft equipment comprises for the key that receives and verify unlatching the second bluetooth module search that the low-frequency wireless transmitter module sends correct low-frequency wireless receiver module whether, be used for searching the second bluetooth module of the bluetooth equipment in its Bluetooth signal scope, the second memory module and the treater that are used for the bluetooth equipment heading code of storage validated user, this treater is connected with the second bluetooth module, described low-frequency wireless transmitter module sends to the low-frequency wireless receiver module with key under the triggering that triggers key, described treater is controlled the second bluetooth module and is opened search after the low-frequency wireless receiver module receives correct key, described treater control gate locking device after the second bluetooth module searches the first bluetooth module begins door lock.
2. automotive theft proof system according to claim 1, it is characterized in that, described vehicle-mounted antitheft equipment also comprises be used to the timer device that limits described the second bluetooth module search time, when described treater does not search the first bluetooth module at described the second bluetooth module within this time, control described the second bluetooth module and close search, described the second bluetooth module stops search searching the first bluetooth module within this time after.
3. automotive theft proof system according to claim 2, it is characterized in that, described vehicle-mounted antitheft equipment also comprises be used to being limited to processing module to be controlled the second bluetooth module and closes after search work the second bluetooth module limit time device of opening times again, when described treater does not search the first bluetooth equipment at the second bluetooth module in this number of times, control low-frequency wireless control receiver module and temporarily stop reception in 30～60 minutes and authentication secret.
4. automotive theft proof system according to claim 1, is characterized in that, under the triggering that triggers key, described the first bluetooth module is opened or closes.
5. automotive theft proof system according to claim 1, it is characterized in that, all also store the pairing password of the first bluetooth module and the second bluetooth module pairing in described the first memory module and the second memory module, described the first bluetooth module sends to the second bluetooth module with described pairing password under the triggering that triggers key, and treater control gate locking device after the second bluetooth module and described the first bluetooth module successful matching begins door lock.
6. a wireless remote controlled keys, is characterized in that, described wireless remote controlled keys comprises low-frequency wireless transmitter module, the first bluetooth module, battery, stores the first memory module of key and trigger key; Described low-frequency wireless transmitter module sends key under the triggering that triggers key, and under the triggering that triggers key, described the first bluetooth module is opened or closes.
7. wireless remote controlled keys according to claim 6, is characterized in that, described the first memory module also stores the Bluetooth pairing password, and described the first bluetooth module sends described pairing password under the triggering that triggers key.
8. vehicle-mounted antitheft equipment, it is characterized in that, described vehicle-mounted antitheft equipment comprises for receiving and verify the key correct low-frequency wireless receiver module whether of opening the second bluetooth module search, be used for searching the second bluetooth module of the bluetooth equipment in its Bluetooth signal scope, the second memory module and the treater that are used for the bluetooth equipment heading code of storage validated user, this treater is connected with the second bluetooth module, described treater is controlled the second bluetooth module and is opened search after the low-frequency wireless receiver module receives correct key, described treater control gate locking device after the second bluetooth module searches legal bluetooth module begins door lock.
9. vehicle-mounted antitheft equipment according to claim 8, it is characterized in that, described vehicle-mounted antitheft equipment also comprises be used to the timer device that limits described the second bluetooth module search time, when described treater does not search the first bluetooth module at described the second bluetooth module within this time, control described the second bluetooth module and close search, described the second bluetooth module stops search searching the first bluetooth module within this time after; Described vehicle-mounted antitheft equipment also comprises be used to being limited to processing module to be controlled the second bluetooth module and closes after search work the second bluetooth module limit time device of opening times again, when described treater does not search the first bluetooth equipment at the second bluetooth module in this number of times, control low-frequency wireless control receiver module and temporarily stop reception in 30～60 minutes and authentication secret.
10. vehicle-mounted antitheft equipment according to claim 8, it is characterized in that, all also store the pairing password of the first bluetooth module and the second bluetooth module pairing in described the first memory module and the second memory module, described the first bluetooth module sends to the second bluetooth module with described pairing password under the triggering that triggers key, and treater control gate locking device after the second bluetooth module and described the first bluetooth module successful matching begins door lock.
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| CN107380122B (en) * | 2017-07-26 | 2020-03-31 | 京东方科技集团股份有限公司 | Method and device for unlocking vehicle |
| CN109733324A (en) * | 2019-03-01 | 2019-05-10 | 深圳市卡美特电子技术有限公司 | Automobile anti-theft method and system based on Lora technology |
| CN110843728A (en) * | 2019-11-29 | 2020-02-28 | 安徽江淮汽车集团股份有限公司 | Automobile keyless starting method, automobile keyless starting equipment, storage medium and automobile keyless starting device |
| CN110843728B (en) * | 2019-11-29 | 2021-10-15 | 安徽江淮汽车集团股份有限公司 | Automobile keyless starting method, automobile keyless starting equipment, storage medium and automobile keyless starting device |
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