A kind of automobile electronic system and its program updating method
A technology of automotive electronics and programs, which is applied in the direction of program control devices, program loading/starting, vehicle components, etc., can solve the problems of cost increase, and the difficulty and cost of vehicle maintenance increased by auto manufacturers, so as to reduce maintenance costs and improve user experience , cost reduction effect
Active Publication Date: 2020-06-19
BYD CO LTD
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Problems solved by technology
The resulting problems are becoming more and more prominent. On the one hand, frequent software updates not only increase the difficulty and cost of vehicle maintenance for car manufacturers, but also cause complaints and dissatisfaction from users; on the other hand, every electronic device is There is a corresponding main electronic control unit, the cost of the car manufacturer also increases with the increase of the number of electronic equipment
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[0018] In order to make the objectives, technical solutions, and beneficial effects of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.
[0019] The embodiment of the present invention provides an automotive electronic system and a program update method thereof. The system includes a main electronic control unit, a bus network and a number of auxiliary electronic control units; the main electronic control unit is used to adopt the logic provided by its program And computing capability, through the bus network and several auxiliary electronic control units to control the various electronic equipment of the car; the auxiliary electronic control unit is used to receive the instructions sent by the main electronic control u...
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The invention belongs to the field of automobile electronics and provides an automobile electronic system and a program updating method of the automobile electronic system, so that the manufacturing cost and maintenance cost of the automobile electronic system are reduced. The system comprises a main electronic control unit, multiple auxiliary electronic control units and a bus network, wherein the main electronic control unit is used for adopting logic and operational capability provided by a program of the main electronic control unit to control all electronic devices of an automobile through the bus network and the multiple auxiliary electronic control units; the multiple auxiliary electronic control units are used for receiving commands sent by the main electronic control unit, simplyexecuting the commands and feeding back execution results of the commands to the main electronic control unit through the bus network; and the bus network is used for connecting the main electronic control unit with the multiple auxiliary electronic control units and transmitting interactive data between the main electronic control unit and the multiple auxiliary electronic control units. On the one hand, the cost of the automobile is reduced through the provided technical scheme, and on the other hand, the provided technical scheme reduces the maintenance cost of the automobile and improves the use experience of an automobile user.
Description
Technical field [0001] The invention belongs to the field of automotive electronics, and particularly relates to an automotive electronic system and a program update method thereof. Background technique [0002] The automotive electronic system is an important part of the car. It is an electronic control system composed of sensors, microprocessors, actuators, dozens or even hundreds of electronic components and their parts. It mainly includes car body car electronic control devices and car There are two parts of automotive electronic control devices. Among them, the car body car electronic control device includes the engine control system, the chassis control system and the body electronic control system, and the car car electronic device mainly includes the car information system, the car tire pressure monitoring system, the navigation system, Car audio-visual entertainment system, in-vehicle communication system, in-vehicle network, reversing image rear view system and in-vehic...
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IPC IPC(8): B60R16/023G06F9/445
CPCB60R16/0231G06F8/65
Inventor 李根
Owner BYD CO LTD