CN117087571A - A low-cost commercial vehicle body domain controller - Google Patents

Abstract

The invention discloses a low-cost commercial vehicle body domain controller, which relates to the field of automotive electronic technology applications and includes a plurality of structural units corresponding to body functions for signal processing or controlling body functions, and the body domain controller The control instructions of the vehicle body electrical components are transmitted to the execution controller corresponding to the vehicle body electrical components through the bus. The structural unit includes MCU, digital signal processing, analog signal processing, ignition lock signal input, door switch signal input, one-button start switch signal input, communication module, drive output, signal output and radio frequency module. By using a single domain controller, the present invention integrates the control of multiple body functions, realizes data integration and sharing between different body functions, and realizes centralized decision-making and intelligent management of functions.

Description

A low-cost commercial vehicle body domain controller

Technical field

The invention relates to the field of automotive electronic technology applications, and in particular to a low-cost commercial vehicle body domain controller.

Background technique

At present, the main electronic and electrical architecture of commercial vehicles is still a distributed structure. The controllers in the vehicle are connected together through the CAN bus or LIN bus. With the continuous development of automotive electronics, the number of controllers in the vehicle reaches dozens. One or even hundreds, the entire electronic and electrical system is becoming larger and more complex, and control problems are also increasing. In order to solve the problem of distributed electronic and electrical architecture, automotive domain controllers began to appear. Commercial vehicles generally divide the vehicle electronic system into several parts such as power domain, chassis domain, body domain, and infotainment domain, which are matched with a central gateway to form the vehicle electronic and electrical architecture. The body domain controller is one of the key controllers in the vehicle domain control architecture and is mainly responsible for controlling and managing the vehicle's body electronic systems and functions.

Traditional commercial vehicle body control systems usually consist of multiple independent control units. Each control unit is responsible for controlling specific body functions, such as: door control, window control, indoor and outdoor lighting control, seat adjustment control, etc. These control units are independent of each other and have limited communication. With the emergence of domain control architecture, the body domain controller will integrate functions such as car lights, wipers and washers, window control, anti-pinch control, central door locks, PEPS smart keys, seat adjustment, electronic steering, tire pressure, etc. Achieve centralized control and management of body functions.

For body domain controllers, the structures are also different. Some integrate all body functions into one controller to form a centralized domain control mode; some are distributed domain control methods based on functional domains, that is, top-level domain control and next-level intelligent execution. A domain control method that combines server control.

Since traditional body control systems usually consist of multiple independent control units, each control unit is responsible for controlling specific body functions, such as door control, window control, indoor and outdoor lighting control, etc., and these control units are independent of each other. Communication is limited, data is difficult to share and interact, each control unit needs to be configured and managed separately, hardware and software configurations are relatively fixed, function expansion and upgrade are relatively difficult, and fault diagnosis and maintenance need to be performed for each independent control unit. Overall maintenance costs are higher.

Contents of the invention

In view of the shortcomings in the existing technology, the purpose of the present invention is to provide a low-cost commercial vehicle body domain controller, which integrates the control of multiple body functions by using a single domain controller to realize data between different body functions. Integration and sharing realize centralized decision-making and intelligent management of functions.

In order to achieve the above objectives, the present invention provides a low-cost commercial vehicle body domain controller, which includes a plurality of structural units corresponding to body functions for signal processing or controlling body functions, and the body domain controller The control instructions of the body electrical components are transmitted to the execution controller corresponding to the body electrical components through the bus.

Based on the above technical solution, the structural unit includes MCU, digital signal processing, analog signal processing, ignition lock signal input, door switch signal input, one-button start switch signal input, communication module, drive output, signal output and radio frequency module.

On the basis of the above technical solutions,

The MCU is responsible for the centralized control strategy of the entire body domain controller;

The digital signal processing is used to process the wake-up source signal;

After the body domain controller goes to sleep, the body domain controller is awakened to enter the normal working state through the triggering action of the wake-up source signal.

On the basis of the above technical solutions,

The analog signal processing is used to process analog signal inputs from specific sensors on the vehicle body, or signal inputs from sensors near the vehicle body domain controller;

The ignition lock signal input is used to process the ignition lock signal;

The ignition lock signal includes ON gear, ACC gear and START gear switch signals, wherein the ON gear and ACC gear signals are the wake-up source signals of the body domain controller.

On the basis of the above technical solutions,

The door switch signal input is used to collect the driver's side door handle switch signal and the passenger's side door handle switch signal, and the driver's side door handle switch signal and the passenger's side door handle switch signal are the wake-up source signals of the body domain controller;

The one-button start switch signal input is used to realize the one-button start function of the vehicle, and the one-button start switch signal is the wake-up source signal of the body domain controller.

On the basis of the above technical solutions,

The drive output is used to power on the ON gear drive and realize the power on management of the ON gear power supply;

The signal output is used to cooperate with the PEPS system to simulate ON, ACC and START signals.

On the basis of the above technical solutions,

The control instructions of the body domain controller to the body electrical components are transmitted to the execution controller corresponding to the body electrical components through the CAN bus or LIN bus;

The communication module is used to implement CAN bus or LIN bus communication;

The CAN bus includes a main CAN bus and multiple sub-CAN buses. The main CAN bus is used to communicate with the gateway to realize information interaction between various domains of the vehicle;

The sub-CAN bus is used to communicate with the corresponding execution controller according to different areas of the body to realize the control of the body's electrical components by the body domain controller;

The LIN bus includes a 12V LIN bus and a 24V LIN bus.

On the basis of the above technical solutions,

The radio frequency module includes a high-frequency part and a low-frequency part, and is suitable for vehicles containing PEPS or RKE systems;

For vehicles equipped with a PEPS system, the high-frequency part and the low-frequency part work simultaneously;

For vehicles without a PEPS system, only the high-frequency part works.

On the basis of the above technical solutions,

The body domain controller also includes a power supply system;

The power supply system is used to convert the vehicle voltage into the internal voltage of the body domain controller, and provide power to each structural unit in the body domain controller.

On the basis of the above technical solutions,

The body domain controller also includes a car security chip;

The automobile security chip is used to ensure the information security of the vehicle.

Compared with the prior art, the advantages of the present invention are:

(1) By using a single domain controller to integrate the control of multiple body functions, data integration and sharing between different body functions is realized, and centralized decision-making and intelligent management of functions are realized, as well as higher-level functional collaboration and interaction. And centralized management and configuration, simplifying the maintenance and management of the system. The vehicle body domain control solution of the present invention can flexibly select and configure each functional module according to needs, realize rapid expansion and upgrade of functions, and can perform functions of the entire vehicle body. Centralized fault diagnosis and maintenance improves the efficiency of troubleshooting and maintenance;

(2) Compared with traditional body control systems, the body domain control solution of the present invention has advantages in data integration, system management, flexibility and scalability. It can realize centralized decision-making and intelligent execution management of body functions, and improve the intelligence of vehicles. , multi-functional integration and maintenance convenience.

Description of the drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of a low-cost commercial vehicle body domain controller in an embodiment of the present invention.

Detailed ways

Embodiments of the present invention provide a low-cost commercial vehicle body domain controller. By using a single domain controller, the control of multiple body functions is integrated, data integration and sharing between different body functions is realized, and centralized decision-making of functions is realized. and intelligent management, as well as higher-level functional collaboration, interaction and centralized management and configuration, simplifying system maintenance and management work. The body domain control solution of the present invention can flexibly select and configure each functional module according to needs to realize functions Rapid expansion and upgrade, and centralized fault diagnosis and maintenance of the entire car body function, improving the efficiency of troubleshooting and repair; compared with the traditional car body control system, the body domain control solution of the present invention has advantages in data integration, system management, flexibility It has advantages in flexibility and scalability, and can realize centralized decision-making and intelligent execution management of body functions, improving the intelligence, multi-functional integration and maintenance convenience of the vehicle.

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments These are part of the embodiments of this application, but not all of them. In the description of this application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation on the present application. Unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

Referring to Figure 1, a low-cost commercial vehicle body domain controller provided by an embodiment of the present invention includes a plurality of structural units corresponding to body functions for signal processing or controlling body functions, and the body domain controller The controller's control instructions for the body's electrical components are transmitted to the execution controller corresponding to the body's electrical components through the bus. Furthermore, the body domain controller of the present invention mainly includes body electrical component control and remote control keys. Considering low cost, the control instructions for the body electrical components are mainly through the CAN (Controller Area Network, Controller Area Network) bus or LIN (Local Interconnect). Network, local area Internet) bus is transmitted to the corresponding execution controller or intelligent execution controller.

In the present invention, the structural unit includes MCU (Microcontroller Unit), digital signal processing, analog signal processing, ignition lock signal input, door switch signal input, one-button start switch signal input, communication module, drive output, and signal output. and RF modules. That is, the main structure of the body domain controller hardware of the present invention includes MCU, digital signal processing, analog signal processing, ignition lock signal input, door switch signal input, one-button start switch signal input, communication module, drive output, signal output and radio frequency module.

As for the MCU, the MCU is responsible for the centralized control strategy of the entire body domain controller, that is, the MCU is the core of the body domain controller.

For digital signal processing, digital signal processing is used to process the wake-up source signal. Specifically, digital signal processing is mainly used to process switch signals. In the present invention, it is mainly used to process wake-up source signals, such as hazard alarm switches, driver-side/passenger-side door touch switches, brake switches, etc. When the body domain controller goes to sleep, it wakes up the body domain controller and enters the normal working state through the triggering action of the wake-up source signal, ensuring low static power consumption of the body domain controller and the low static power consumption of the entire vehicle.

For analog signal processing, analog signal processing is used to process analog signal inputs from specific sensors on the vehicle body, or from sensors adjacent to the vehicle body domain controller. That is, analog signal processing is mainly used to process key sensor analog signal inputs, or sensor signal inputs near the body domain controller.

For the ignition lock signal input, the ignition lock signal input is used to process the ignition lock signal. The ignition lock signal includes ON gear, ACC gear and START gear switch signals, wherein the ON gear and ACC gear signals are the wake-up source signals of the body domain controller. The ignition lock signal includes ON gear, ACC gear and START gear switch signals, wherein the ON gear and ACC gear signals are the wake-up source signals of the body domain controller. That is, the ignition lock signal is suitable for vehicles with traditional key ignition.

For the door switch signal, the door switch signal input is used to collect the driver's side door handle switch signal and the passenger's side door handle switch signal, and the driver's side door handle switch signal and the passenger's side door handle switch signal are the wake-up source signals of the body domain controller. The door switch signal is suitable for vehicles equipped with PEPS system (keyless entry and start system).

For the one-button start switch signal input, the one-button start switch signal input is used to realize the one-button start function of the vehicle, and the one-button start switch signal is the wake-up source signal of the body domain controller. The one-button start switch signal is suitable for vehicles equipped with PEPS system (keyless entry and start system).

For the drive output, the drive output is used to realize the power-on of the ON gear drive and realize the power-on management of the ON gear power supply; that is, the drive output can be grouped to realize the power-on of the ON gear power supply, replacing the traditional ON gear relay to realize the power-on management of the ON gear power supply. , can also realize ordinary drive control.

For signal output, the signal output is used to cooperate with the PEPS system to simulate ON, ACC and START signals. That is, the signal output is mainly used to cooperate with the PEPS system to simulate ON, ACC and START signals as trigger conditions for other execution controllers.

The control instructions of the body domain controller to the body electrical components are transmitted to the execution controller corresponding to the body electrical components through the CAN bus or LIN bus;

For the communication module, the communication module is used to implement CAN bus or LIN bus communication; the CAN bus includes a main CAN bus and multiple sub-CAN buses, and the main CAN bus is used to communicate with the gateway to realize information interaction between various domains of the vehicle; The sub-CAN bus is used to communicate with the corresponding execution controller according to different areas of the body to realize the control of the body electrical components by the body domain controller; that is, the multi-channel sub-CAN bus communicates with the corresponding execution controller according to different areas to realize the body The domain controller controls the electrical load and feeds back the load information.

LIN bus includes 12V LIN bus and 24V LIN bus. That is, the LIN bus is divided into a LIN bus with a voltage of 12V and a LIN bus with a voltage of 24V, which can be compatible with different types of LIN loads and achieve flexible configuration.

For the radio frequency module, the radio frequency module includes a high frequency part and a low frequency part, which is suitable for vehicles containing PEPS or RKE systems; for vehicles with PEPS systems, the high frequency part and the low frequency part work at the same time, for example, when the driver pulls the door handle (or press the one-button start switch), the vehicle will receive the unlocking (or ignition) signal and send the signal to the low-frequency antenna. After receiving the signal, the low-frequency antenna will send a low-frequency trigger signal to the smart key, and then the smart key will send out a high-frequency trigger signal. Unlocking signal: After the body domain controller receives the high-frequency unlocking signal, the vehicle completes unlocking (or ignition).

For vehicles without a PEPS system, only the high-frequency part works. That is to say, for vehicles without PEPS system, only the high-frequency part can be used, for example, to realize the function of intelligent remote key RKE (Remote Keyless Entry, remote control access system).

Furthermore, the body domain controller of the present invention also includes a power supply system. The power supply system is used to convert the vehicle voltage into the internal voltage of the body domain controller and provide power to each structural unit in the body domain controller.

Furthermore, the body domain controller of the present invention also includes a car security chip, and the car security chip is used to ensure the information security of the vehicle.

In the present invention, a body domain controller is used for centralized decision-making of body control + a body domain control architecture technology of intelligent actuators, which can be expanded according to the configuration of high and low vehicle models, the execution controller can be added or deleted, and the functions can be configured. By integrating different functions and adapting to the needs of different user scenarios, the vehicle's sense of technology, control flexibility, and maintenance convenience are improved. At the same time, as the core body domain controller of body domain control, it can greatly reduce hardware costs. It is A better low-cost commercial vehicle body domain controller.

The following is a description of how to implement different functions by configuring different structural units in the body domain controller with specific examples.

(1) For high-end models (such as: with PEPS function, with ON power management function), all functional modules shown in Figure 1, except the ignition lock signal input, are enabled, which can realize keyless entry and vehicle control. Key start, ON position power-on management, full-function intelligent actuator control through CAN/LIN bus, etc.

(2) For low-end models (such as traditional ignition lock vehicles without ON power-on management), the door switch signal input, one-button start switch signal input, signal output, and low-frequency driver in the radio frequency module in Figure 1 are not required. When enabled, the drive output can be used as a regular drive, and the intelligent execution control through the CAN/LIN bus can be selectively configured according to the needs of low-end models.

While realizing centralized decision-making control for the body domain control, the present invention can also perform configuration expansion according to the needs of different vehicle models. At the same time, the architecture configuration mode of the vehicle body domain is more flexible, the controller cost is lower, and the maintainability is stronger.

The low-cost commercial vehicle body domain controller of the embodiment of the present invention uses a single domain controller to integrate the control of multiple body functions, realize data integration and sharing between different body functions, and realize centralized decision-making and intelligence of functions. Management, as well as higher-level functional collaboration, interaction and centralized management and configuration, simplify the maintenance and management of the system. The body domain control solution of the present invention can flexibly select and configure each functional module according to needs, realizing rapid function Expand and upgrade, and can conduct centralized fault diagnosis and maintenance of the entire car body function, improving the efficiency of troubleshooting and repair; compared with the traditional car body control system, the body domain control solution of the present invention has advantages in data integration, system management, flexibility and It has advantages in terms of scalability and other aspects. It can realize centralized decision-making and intelligent execution management of body functions, and improve the intelligence, multi-functional integration and maintenance convenience of the vehicle.

In a possible implementation, an embodiment of the present invention also provides a non-transitory computer-readable storage medium. The readable storage medium is located in a PLC (Programmable Logic Controller, programmable logic controller) controller. The readable storage medium The computer program is stored on the medium. When the program is executed by the processor, the centralized control strategy of the entire body domain controller and the logical processing of each structural unit are implemented. Specifically, the non-transitory computer-readable storage medium may be located inside the body domain controller.

Specifically, the structural unit includes MCU, digital signal processing, analog signal processing, ignition lock signal input, door switch signal input, one-button start switch signal input, communication module, drive output, signal output and radio frequency module.

In the present invention, the MCU is responsible for the centralized control strategy of the entire body domain controller; the digital signal processing is used to process the wake-up source signal; when the body domain controller is dormant, the body domain is woken up by triggering the wake-up source signal The controller enters normal working status.

In the present invention, analog signal processing is used to process the analog signal input of specific sensors on the vehicle body, or the signal input of sensors near the vehicle body domain controller; the ignition lock signal input is used to process the ignition lock signal; the ignition lock signal includes ON gear and ACC gear. and START gear switch signal, wherein the ON gear and ACC gear signals are the wake-up source signals of the body domain controller.

In the present invention, the door switch signal input is used to collect the driver's side door handle switch signal and the passenger's side door handle switch signal, and the driver's side door handle switch signal and the passenger's side door handle switch signal are the wake-up source signals of the body domain controller; one-key start The switch signal input is used to realize the one-button start function of the vehicle, and the one-button start switch signal is the wake-up source signal of the body domain controller.

In the present invention, the drive output is used to realize the ON gear drive power-on and realize the power-on management of the ON gear power supply; the signal output is used to cooperate with the PEPS system to simulate the ON gear, ACC gear and START gear signals.

In the present invention, the control instructions of the body domain controller to the body electrical components are transmitted to the execution controller corresponding to the body electrical components through the CAN bus or LIN bus; the communication module is used to implement CAN bus or LIN bus communication; the CAN bus includes the main CAN bus and multiple sub-CAN buses. The main CAN bus is used to communicate with the gateway to realize information interaction between various domains of the vehicle; the sub-CAN bus is used to communicate with the corresponding execution controller according to different areas of the vehicle body to realize the vehicle body domain. The controller controls the electrical components of the body; the LIN bus includes 12V LIN bus and 24V LIN bus.

In the present invention, the radio frequency module includes a high-frequency part and a low-frequency part, and is suitable for vehicles containing PEPS or RKE systems; for vehicles equipped with a PEPS system, the high-frequency part and low-frequency part work simultaneously; for vehicles without a PEPS system , only the high frequency part works.

The storage medium may be any combination of one or more computer-readable media. The computer-readable medium may be a computer-readable signal medium or a computer-readable storage medium. The computer-readable storage medium may be, for example, but not limited to: an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, device or device, or any combination thereof. More specific examples (non-exhaustive list) of computer readable storage media include: electrical connections having one or more conductors, portable computer disks, hard drives, random access memory (RAM), read only memory (ROM), Erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above. As used herein, a computer-readable storage medium may be any tangible medium that contains or stores a program for use by or in connection with an instruction execution system, apparatus, or device.

A computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave carrying computer-readable program code therein. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. A computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium that can send, propagate, or transmit a program for use by or in connection with an instruction execution system, apparatus, or device . Program code embodied on a computer-readable medium may be transmitted using any suitable medium, including but not limited to: wireless, wire, optical cable, RF, etc., or any suitable combination of the foregoing.

Computer program code for performing the operations of the present invention may be written in one or more programming languages, or a combination thereof, including object-oriented programming languages such as Java, Smalltalk, C++, and conventional Procedural programming language—such as "C" or a similar programming language. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In situations involving remote computers, the remote computer can be connected to the user's computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computer (such as an Internet service provider through the Internet). connect).

In the description of this application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing this application and simplifying the description. It is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation on the present application. Unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

It should be noted that in this application, relational terms such as “first” and “second” are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply There is no such actual relationship or sequence between these entities or operations. Furthermore, the terms "comprises," "comprises," or any other variations thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that includes a list of elements includes not only those elements, but also those not expressly listed other elements, or elements inherent to the process, method, article or equipment. Without further limitation, an element defined by the statement "comprises a..." does not exclude the presence of additional identical elements in a process, method, article, or apparatus that includes the stated element.

The above descriptions are only specific embodiments of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be practiced in other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims (10)

1. A low cost commercial vehicle body domain controller, characterized by: the vehicle body domain controller comprises a plurality of structural units corresponding to the vehicle body functions and used for carrying out signal processing or controlling the vehicle body functions, and control instructions of the vehicle body domain controller on the vehicle body electric components are transmitted to execution controllers corresponding to the vehicle body electric components through buses.

2. A low cost commercial vehicle body area controller as defined in claim 1, wherein: the structure unit comprises an MCU, digital signal processing, analog signal processing, ignition lock signal input, vehicle door switch signal input, one-key start switch signal input, a communication module, a driving output, a signal output and a radio frequency module.

3. A low cost commercial vehicle body area controller as defined in claim 1, wherein:

the MCU is used for taking charge of a centralized control strategy of the whole vehicle body domain controller;

the digital signal processing is used for processing the wake-up source signal;

and after the vehicle body domain controller is dormant, the vehicle body domain controller is awakened to enter a normal working state through the triggering action of the awakening source signal.

4. A low cost commercial vehicle body area controller as defined in claim 1, wherein:

the analog signal processing is used for processing analog signal input of a specific sensor on the vehicle body or signal input of a sensor nearby the vehicle body domain controller;

the ignition lock signal input is used for processing an ignition lock signal;

the ignition lock signal comprises an ON gear, an ACC gear and a START gear switch signal, wherein the ON gear and the ACC gear are wake-up source signals of a vehicle body domain controller.

5. A low cost commercial vehicle body area controller as defined in claim 1, wherein:

the vehicle door switch signal input is used for collecting a driver side door handle switch signal and a passenger side door handle switch signal, and the driver side door handle switch signal and the passenger side door handle switch signal are wake-up source signals of the vehicle body domain controller;

the one-key starting switch signal input is used for realizing one-key starting function of the vehicle, and the one-key starting switch signal is a wake-up source signal of the vehicle body domain controller.

6. A low cost commercial vehicle body area controller as defined in claim 1, wherein:

the drive output is used for realizing the power-ON management of an ON-gear power supply by realizing the power-ON driving of the ON-gear;

the signal output is used for being matched with a PEPS system to simulate and give ON gear, ACC gear and START gear signals.

7. A low cost commercial vehicle body area controller as defined in claim 1, wherein:

the control command of the vehicle body domain controller to the vehicle body electric component is transmitted to the corresponding execution controller of the vehicle body electric component through a CAN bus or a LIN bus;

the communication module is used for carrying out CAN bus or LIN bus communication realization;

the CAN bus comprises a main CAN bus and a plurality of sub CAN buses, wherein the main CAN bus is used for communicating with the gateway to realize information interaction among all domains of the whole vehicle;

the sub CAN buses are used for communicating with corresponding execution controllers according to different areas of the vehicle body, so that the vehicle body domain controllers CAN control electric components of the vehicle body;

the LIN bus includes a 12V LIN bus and a 24V LIN bus.

8. A low cost commercial vehicle body area controller as defined in claim 1, wherein:

the radio frequency module comprises a high-frequency part and a low-frequency part, and is suitable for vehicles comprising PEPS or RKE systems;

for a vehicle with a PEPS system, the high frequency part and the low frequency part work simultaneously;

for vehicles without PEPS systems, only the high frequency portion operates.

9. A low cost commercial vehicle body area controller as defined in claim 1, wherein:

the vehicle body domain controller further comprises a power supply system;

the power supply system is used for converting the voltage of the whole vehicle into the internal voltage of the vehicle body domain controller and supplying power for each structural unit in the vehicle body domain controller.

10. A low cost commercial vehicle body area controller as defined in claim 1, wherein:

the vehicle body domain controller also comprises an automobile safety chip;

the automobile safety chip is used for guaranteeing information safety of the automobile.