CN114056264A - Automobile body domain controller based on domestic chip design and automobile - Google Patents
Automobile body domain controller based on domestic chip design and automobile Download PDFInfo
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- CN114056264A CN114056264A CN202111660271.6A CN202111660271A CN114056264A CN 114056264 A CN114056264 A CN 114056264A CN 202111660271 A CN202111660271 A CN 202111660271A CN 114056264 A CN114056264 A CN 114056264A
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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
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Abstract
The invention discloses a body area controller designed based on a domestic chip, wherein a body control system comprises a body control module, a control end of the body control module is connected with a control subsystem, and the control subsystem comprises a rearview mirror control subsystem, an external vehicle lamp management subsystem, an electric window control subsystem, a wiper/washing subsystem, a door lock control subsystem, an indoor lighting management subsystem, a comfort subsystem, a battery mode management subsystem, a keyless entry starting subsystem, an engine anti-theft subsystem, a tire pressure monitoring subsystem and part or all of a remote control subsystem. Based on the reasonable distribution and the redundant backup of the microcontroller unit and the microprocessor unit, the domain controller for the vehicle has the advantages of giving consideration to real-time performance, safety performance, computing performance and communication performance, meeting the requirements of different software functions on various performances in vehicle network management and effectively improving the experience effect of the vehicle.
Description
Technical Field
The invention relates to the field of vehicle control technology, in particular to a domain controller, a domain system and a vehicle.
Background
Most of the existing body part controllers such as BCM, PEPS, IMMO, TPMS and the like adopt 8-bit or 16-bit controllers with lower operation speed, and various discrete parts such as BCM, PEPS, IMMO, TPMS, gateways and the like separately control and realize functions such as light wiper washing, door locking, keyless entry, one-key starting, emergency starting, electronic shaft lock control, engine authentication, tire pressure monitoring, gateways and the like also adopt separate chips, so that the communication link load required among different chips is large, the communication fault probability is high, and the system stability is poor.
Disclosure of Invention
The invention aims to solve the technical problem of realizing a vehicle body domain controller and a vehicle designed based on a domestic chip KF32A150KQV, so as to solve the problems of high communication link load, high communication fault probability and poor system stability caused by the fact that different control functions of a vehicle body are realized by adopting a single chip in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: a car body domain controller based on a domestic chip design comprises a car body control module, wherein a control end of the car body control module is connected with a control subsystem, and the control subsystem comprises a rearview mirror control subsystem, an external car light management subsystem, an electric window control subsystem, a wiper/washing subsystem, a door lock control subsystem, an indoor lighting management subsystem, a comfort subsystem, a battery mode management subsystem, a keyless entry starting subsystem, an engine anti-theft subsystem, a tire pressure monitoring subsystem and part or all of a remote control subsystem.
The power supply end of the vehicle body control system is connected with the vehicle body storage battery, and the vehicle body control system is fixed at a preset position of the automobile through the mounting structure.
The vehicle body control system further comprises a wireless receiver and a user identification module, a wireless receiving module is arranged in the vehicle body control module, the user identification module is connected with and outputs a sensing signal to the wireless receiver and the wireless receiving module, and the wireless receiver is connected with the vehicle body control module.
The automobile body control module comprises a processor unit, a switching signal acquisition unit, a driving signal output unit, a communication unit, a low-frequency signal processing unit and a high-frequency signal receiving unit, wherein the switching signal acquisition unit, the driving signal output unit, the communication unit, the low-frequency signal processing unit and the high-frequency signal receiving unit are all connected with the processor unit.
The switch signal acquisition unit is used for acquiring vehicle body state signals and sending the acquired vehicle body state signals to the processor unit;
the driving signal output unit is used for outputting a driving signal generated by the processor unit and used for driving the vehicle body execution component to the vehicle body execution component;
the communication unit is used for the communication between the body area controller and an external controller;
the low-frequency signal processing unit is used for receiving a low-frequency signal, sending the low-frequency signal to the processor unit and transmitting a low-frequency instruction according to an instruction of the processor unit;
the high-frequency signal receiving unit is used for receiving high-frequency signals sent by an automobile key and an automobile tire pressure sensor and sending the high-frequency signals to the processor unit.
The processor unit is an MCU, and the MCU is a 32-bit processor.
The communication unit is a CAN communication module LIN communication module or an Ethernet communication module, and the low-frequency signal processing unit is connected with the low-frequency antenna.
The vehicle body state information comprises a wiper state signal, an indicator light state signal, a vehicle door lock state signal and a vehicle window state signal, and the vehicle body execution component comprises a wiper motor, an indicator light, a vehicle door lock motor and a vehicle window motor.
The automobile is provided with the automobile body area control system.
Based on the reasonable distribution and the redundant backup of the microcontroller unit and the microprocessor unit, the domain controller for the vehicle has the advantages of giving consideration to real-time performance, safety performance, computing performance and communication performance, meeting the requirements of different software functions on various performances in vehicle network management and effectively improving the experience effect of the vehicle.
Drawings
The following is a brief description of the contents of each figure in the description of the present invention:
FIG. 1 is a schematic diagram of a body area controller designed based on a domestic chip;
FIG. 2 is a block diagram of a domestic chip system.
Detailed Description
The following description of the embodiments with reference to the drawings is provided to describe the embodiments of the present invention, and the embodiments of the present invention, such as the shapes and configurations of the components, the mutual positions and connection relationships of the components, the functions and working principles of the components, the manufacturing processes and the operation and use methods, etc., will be further described in detail to help those skilled in the art to more completely, accurately and deeply understand the inventive concept and technical solutions of the present invention.
A car body domain controller designed based on a domestic chip is fixed at a preset position of a car through a mounting structure, a power supply end of a car body control system is connected with a car body storage battery and is powered by the storage battery, the system takes a microcontroller unit and a microprocessor unit as core chips of the domain controller, the microcontroller unit is used for processing a software function with a preset requirement on real-time performance and/or safety performance, and the microprocessor unit is used for processing a software function with a preset requirement on calculation performance and/or communication performance, specifically, as shown in figure 1, the car body control system comprises a car body control module, a control end of the car body control module is connected with a control subsystem, and the control subsystem comprises a rearview mirror control subsystem, an external car lamp management subsystem, an electric window control subsystem, a wiper/washing subsystem, a door lock control subsystem and a door lock control subsystem, Some or all of an indoor lighting management subsystem, a comfort subsystem, a battery mode management subsystem, a keyless entry start subsystem, an engine anti-theft subsystem, a tire pressure monitoring subsystem, and a remote control subsystem.
From a decentralized combination of functions, the body area controller gradually transitions to a large controller that integrates all basic drives of body electronics, key functions, lights, doors, windows, and the like. The vehicle body area control system integrates light (a top lamp gating mode, a left steering lamp, a right steering lamp, a reversing lamp, a daytime running lamp and the like), windscreen wiper washing (high windscreen wiper speed, low windscreen wiper speed and windscreen wiper return), a central control door lock and vehicle window control (the lifting of front, rear, left and right vehicle windows); PEPS intelligent key, low frequency antenna drive. The body domain controller can integrate functions of a traditional BCMPEPS and other functional body domain controllers, such as BCM, PEPS, TPMS, Gateway and the like, can also expand and add functions of seat adjustment, rearview mirror control, air conditioner control and the like, comprehensively and uniformly manages each actuator, and reasonably and effectively distributes system resources.
There are systems of the following subsections:
LIN is a local area interconnect network;
PEPS, entering and starting the system without a key;
TPMS tire pressure monitoring system;
IMMO is an engine anti-theft locking system;
BCM is a vehicle body controller;
CAN is controller area network;
the body area controller has the following main functions (enumerated functions):
controlling light: dipped headlight, high beam, turn signal, brake light, daytime running light, backup light, etc.;
controlling the windscreen wiper: high-speed windscreen wipers, low-speed windscreen wipers, return windscreen wipers and the like;
door and window control: vehicle window lifting, vehicle window anti-clamping, back door unlocking and the like;
controlling the rearview mirror: adjusting a rearview mirror lens, heating a rearview mirror and the like;
PEPS: keyless entry, keyless starting, welcome mode, vehicle power management and the like;
seat control: seat adjustment, seat heating, etc.;
and others: limemime, remote function, OTA, etc.
The vehicle body control module comprises a processor unit switching signal acquisition unit, a driving signal output unit, a communication unit, a low-frequency signal processing unit and a high-frequency signal receiving unit, wherein the switching signal acquisition unit, the driving signal output unit, the communication unit, the low-frequency signal processing unit and the high-frequency signal receiving unit are connected with the processor unit, the processor unit is an MCU (microprogrammed control unit), the MCU preferably adopts a 32-bit processor, the communication unit is a CAN (controller area network) communication module LIN (local interconnect network) communication module or an Ethernet communication module, and the low-frequency signal processing unit is connected with a low-frequency antenna.
The switch signal acquisition unit is used for acquiring vehicle body state signals and sending the acquired vehicle body state signals to the processor unit, wherein the vehicle body state signals comprise wiper state signals, indicator lamp state signals, vehicle door lock state signals and vehicle window state signals, and the vehicle body execution part comprises a wiper motor, an indicator lamp, a vehicle door lock motor and a vehicle window motor.
The driving signal output unit is used for outputting a driving signal generated by the processor unit and used for driving the vehicle body execution component to the vehicle body execution component.
The communication unit is used for the vehicle body area controller to communicate with an external controller.
The low-frequency signal processing unit is used for receiving low-frequency signals, sending the low-frequency signals to the processor unit and transmitting low-frequency instructions according to instructions of the processor unit.
The high-frequency signal receiving unit is used for receiving high-frequency signals sent by the automobile key and the automobile tire pressure sensor and sending the high-frequency signals to the processor unit.
The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to apply the inventive concept and solution to other applications without substantial modification.
Claims (9)
1. The utility model provides a car body territory controller based on homemade chip design which characterized in that: the automobile body control system comprises an automobile body control module, wherein a control end of the automobile body control module is connected with a control subsystem, and the control subsystem comprises a rearview mirror control subsystem, an external automobile lamp management subsystem, an electric window control subsystem, a wiper/washing subsystem, a door lock control subsystem, an indoor lighting management subsystem, a comfort subsystem, a battery mode management subsystem, a keyless entry starting subsystem, an engine anti-theft subsystem, a tire pressure monitoring subsystem and a remote control subsystem.
2. The body domain controller based on a domestic chip design according to claim 1, wherein: the power supply end of the vehicle body control system is connected with the vehicle body storage battery, and the vehicle body control system is fixed at a preset position of the automobile through the mounting structure.
3. The body domain controller based on a domestic chip design according to claim 2, wherein: the vehicle body control system further comprises a wireless receiver and a user identification module, a wireless receiving module is arranged in the vehicle body control module, the user identification module is connected with and outputs a sensing signal to the wireless receiver and the wireless receiving module, and the wireless receiver is connected with the vehicle body control module.
4. The body domain controller based on a domestic chip design according to claim 1, 2 or 3, wherein: the automobile body control module comprises a processor unit, a switching signal acquisition unit, a driving signal output unit, a communication unit, a low-frequency signal processing unit and a high-frequency signal receiving unit, wherein the switching signal acquisition unit, the driving signal output unit, the communication unit, the low-frequency signal processing unit and the high-frequency signal receiving unit are all connected with the processor unit.
5. The body domain controller based on the domestic chip design according to claim 4, wherein: the switch signal acquisition unit is used for acquiring vehicle body state signals and sending the acquired vehicle body state signals to the processor unit;
the driving signal output unit is used for outputting a driving signal generated by the processor unit and used for driving the vehicle body execution component to the vehicle body execution component;
the communication unit is used for the communication between the body area controller and an external controller;
the low-frequency signal processing unit is used for receiving a low-frequency signal, sending the low-frequency signal to the processor unit and transmitting a low-frequency instruction according to an instruction of the processor unit;
the high-frequency signal receiving unit is used for receiving high-frequency signals sent by an automobile key and an automobile tire pressure sensor and sending the high-frequency signals to the processor unit.
6. The body domain controller based on a domestic chip design according to claim 5, wherein: the processor unit is an MCU, and the MCU is a 32-bit processor.
7. The body domain controller based on a domestic chip design according to claim 6, wherein: the communication unit is a CAN communication module LIN communication module or an Ethernet communication module, and the low-frequency signal processing unit is connected with the low-frequency antenna.
8. The body domain controller based on a domestic chip design according to claim 7, wherein: the vehicle body state information comprises a wiper state signal, an indicator light state signal, a vehicle door lock state signal and a vehicle window state signal, and the vehicle body execution component comprises a wiper motor, an indicator light, a vehicle door lock motor and a vehicle window motor.
9. An automobile, characterized in that: a vehicle having a body area control system as claimed in claims 1-8 installed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660271.6A CN114056264A (en) | 2021-12-31 | 2021-12-31 | Automobile body domain controller based on domestic chip design and automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111660271.6A CN114056264A (en) | 2021-12-31 | 2021-12-31 | Automobile body domain controller based on domestic chip design and automobile |
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| CN114056264A true CN114056264A (en) | 2022-02-18 |
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| CN202111660271.6A Pending CN114056264A (en) | 2021-12-31 | 2021-12-31 | Automobile body domain controller based on domestic chip design and automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115991171A (en) * | 2023-03-20 | 2023-04-21 | 凯晟动力技术（嘉兴）有限公司 | Vehicle body controller and method based on remote control key start |
| CN117499455A (en) * | 2023-11-15 | 2024-02-02 | 镁佳(北京)科技有限公司 | Communication data deployment method, device, equipment and storage medium |
-
2021
- 2021-12-31 CN CN202111660271.6A patent/CN114056264A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115991171A (en) * | 2023-03-20 | 2023-04-21 | 凯晟动力技术（嘉兴）有限公司 | Vehicle body controller and method based on remote control key start |
| CN115991171B (en) * | 2023-03-20 | 2023-08-15 | 凯晟动力技术（嘉兴）有限公司 | Vehicle body controller and method based on remote control key start |
| CN117499455A (en) * | 2023-11-15 | 2024-02-02 | 镁佳(北京)科技有限公司 | Communication data deployment method, device, equipment and storage medium |
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Address after: 241000 No. 48, Yinhu North Road, Wuhu District, China (Anhui) Free Trade Pilot Zone, Wuhu City, Anhui Province Applicant after: Wuhu Etec Automotive Electronics Co.,Ltd. Address before: 241000 No. 48, Yinhu North Road, Wuhu Economic and Technological Development Zone, Anhui Province Applicant before: ATECH AUTOMOTIVE (WUHU) Co.,Ltd. |