CN210258309U

CN210258309U - Vehicle body controller

Info

Publication number: CN210258309U
Application number: CN201920761022.8U
Authority: CN
Inventors: 吴燕; 张健; 邱谦
Original assignee: Chengdu Dayun Automobile Co Ltd
Current assignee: Chengdu Dayun Automobile Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-07
Anticipated expiration: 2029-05-24

Abstract

The utility model discloses a vehicle body controller, which comprises a main control chip, a CAN transceiver module, a signal acquisition module, a driving module and a fault monitoring module; the CAN transceiving module and the signal acquisition module receive in-vehicle switching signals, sensor signals and CAN bus data signals and transmit the signals to the main control chip; the driving module is used for driving a vehicle load or a relay; the fault monitoring module receives a drive feedback signal. The electric appliance system is simple, the wire harness is simpler, and the wiring is convenient; the electric appliance performance of the whole vehicle is improved, and short-circuit protection is performed on the electric equipment: when a short-circuit fault occurs, the power supply loop is cut off in time, so that accidents such as line ignition are avoided; diagnosing equipment faults, alarming faults and recording information; the application of the bus technology can realize information sharing, and is convenient for the use and development of new equipment.

Description

Vehicle body controller

Technical Field

The utility model relates to an automobile electrical parts makes technical field, especially relates to automobile body controller.

Background

With the increasing demand of automobiles and the increasing requirements of consumers on the intelligence, safety, stability and comfort of automobiles, the increasing of electronic devices in automobile applications and the frequent data communication among the electronic devices, the separated modules used in large quantities bring the problems of cost increase, failure rate increase, complex wiring and the like while improving the comfort of automobiles.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the utility model provides a vehicle body controller, which comprises a main control chip, a CAN transceiver module, a signal acquisition module, a driving module and a fault monitoring module; the CAN transceiving module and the signal acquisition module receive in-vehicle switching signals, sensor signals and CAN bus data signals and transmit the signals to the main control chip; the driving module is used for driving a vehicle load or a relay; the fault monitoring module receives a drive feedback signal.

The driving module comprises a first driving module and a second driving module; the first driving module is used for driving the central electric appliance control box; the second drive module is used for driving a vehicle load.

The central electric appliance control box comprises a power supply and a relay; the power supply is connected with the relay through the safety unit and is also used for supplying power to the automobile body controller.

The fault monitoring module comprises a first fault monitoring module and a second fault monitoring module; the first fault monitoring module is used for receiving a driving feedback signal of the central electrical appliance control box; the second fault monitoring module receives a vehicle load drive feedback signal.

The signal acquisition module is connected to the main control chip through an SPI bus serial port chip.

The vehicle body controller also comprises a reserved CAN transmitting and receiving module which is used for expanding a CAN bus.

The beneficial effects of the utility model reside in that: the electric appliance system is simple, the wire harness is simpler, and the wiring is convenient; the electric appliance performance of the whole vehicle is improved, and short-circuit protection is performed on the electric equipment: when a short-circuit fault occurs, the power supply loop is cut off in time, so that accidents such as line ignition are avoided; diagnosing equipment faults, alarming faults and recording information; the application of the bus technology can realize information sharing, and is convenient for the use and development of new equipment. The CAN message transmission CAN directly communicate with the instrument, the instrument is not required to process data, and the burden of the instrument is reduced; various electrical device developments based on CAN bus, such as: the automobile data recorder, the fault diagnosis instrument and the like only need to read the required signals from the bus according to the protocol, so that the product development is easy, and the cost is reduced.

Drawings

FIG. 1 is a schematic view of a vehicle body controller;

fig. 2 is a control system configuration diagram.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

A vehicle body controller comprises a main control chip, a CAN transceiver module, a signal acquisition module, a driving module and a fault monitoring module; the CAN transceiving module and the signal acquisition module receive in-vehicle switching signals, sensor signals and CAN bus data signals and transmit the signals to the main control chip; the driving module is used for driving a vehicle load or a relay; the fault monitoring module receives a drive feedback signal.

The utility model discloses vehicle body controller has realized whole car rain system of scraping (including control function such as high-speed, low-speed, intermittent type regulation, washing back wipe, inching), the centralized control of flash of light system (including left turn to flash of light, right turn to flash of light, crisis alarm control function), lighting system (including distance light, passing light, small lamp, preceding fog lamp, back fog lamp, daytime running light, dome lamp, door lamp, parking lamp, reversing light etc.), fault monitoring and fault protection to detecting the collection to whole car switching signal, alarm signal, engine signal, each load state information etc. and converting CAN signal to the whole car realization whole car CAN communication via the CAN bus.

The vehicle body controller collects the switch signals, various alarm signals and CAN information of the whole vehicle, controls related relays or real vehicle loads (including motors, bulbs and the like) to work according to the functional requirements of the vehicle body controller, and sends the real-time monitored working state information and switch state information of the relays and the real vehicle loads to the whole vehicle through the CAN bus.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

The protocol is sent according to an Intel format, when multiple bytes are sent, the low byte is in front, the high byte is behind, and the high and low byte positions can be specifically marked under special conditions. For the enable information, 0 indicates invalid or enable disabled, 1 indicates valid or function enabled; the protocol reservation and reservation part is all set to 0 for sending except for special description; the undefined part of the CAN message is executed as SAEJ 1939.

It will be understood by those skilled in the art that all or part of the processes in the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, to instruct related hardware. The storage medium may be a magnetic disk, an optical disk, a ROM, a RAM, etc.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. The vehicle body controller is characterized by comprising a main control chip, a CAN (controller area network) transceiver module, a signal acquisition module, a driving module and a fault monitoring module; the CAN transceiving module and the signal acquisition module receive in-vehicle switching signals, sensor signals and CAN bus data signals and transmit the signals to the main control chip; the driving module is used for driving a vehicle load or a relay; the fault monitoring module receives a drive feedback signal.

2. The vehicle body controller of claim 1, wherein the drive module comprises a first drive module and a second drive module; the first driving module is used for driving the central electric appliance control box; the second drive module is used for driving a vehicle load.

3. The vehicle body controller of claim 2, wherein the central appliance control box includes a power source and a relay; the power supply is connected with the relay through the safety unit and is also used for supplying power to the automobile body controller.

4. The vehicle body controller of claim 1, wherein the fault monitoring module comprises a first fault monitoring module and a second fault monitoring module; the first fault monitoring module is used for receiving a driving feedback signal of the central electrical appliance control box; the second fault monitoring module receives a vehicle load drive feedback signal.

5. The vehicle body controller according to claim 1, wherein the signal acquisition module is connected to the main control chip through an SPI bus serial port chip.

6. The vehicle body controller of claim 1, further comprising a reserved CAN transceiver module for extending a CAN bus.