Control Units for Electric Vehicles

Abstract

A control device used for an electric vehicle comprises a vehicle controller (110) and a motor controller (120), the motor controller (120) being connected to the vehicle controller (110), the motor controller (120) and the vehicle controller (110) being disposed on the same circuit board, the vehicle controller (110) implementing control to the vehicle and being used for performing safety performance monitoring and assistant management and control on the motor controller (120), and the motor controller (120) implementing control to a motor and being used for performing safety performance monitoring and assistant management and control on the vehicle controller (110); a bi-functional controller signal connector (130), used for electrically connecting the vehicle controller (110) and the motor controller (120) with wire harnesses of the vehicle; and a power supply module, used for supplying power for the vehicle controller (110) and the motor controller (120). The control device according to an embodiment of the present invention is safe and reliable in performance and is low in cost.

Description

technical field [0001] The invention relates to the technical field of automobile manufacturing, in particular to a control device for an electric automobile. Background technique [0002] The advantages of high energy saving and low pollution of electric vehicles make it the main direction of the development of contemporary automobiles, so it is of great significance to develop and research the key technologies of electric vehicles. As the core components of electric vehicle electronic control system, vehicle controller, motor controller, battery management system, etc. have become an important research content of electric vehicle technology. The vehicle controller, motor controller, and battery management system of electric vehicles are responsible for the comprehensive control of the entire electric vehicle, and their reliability directly affects the reliability of electric vehicles and is related to the safety of electric vehicles. Among them, as the development technol...

AI Technical Summary

Problems solved by technology

Some electric vehicle manufacturers have also begun to consider integrating controllers with different functions into one circuit board. However, the above-mentioned method only achieves a simple level of integration, and there is still a need for in-depth integration and the functional safety level of the integrated controller. further research

For example: Patent No. 200610155957.9 proposes a dual-function control integration technology integrated on the same circuit board, but this solution does not meet the safety requirements of electric vehicles.

[0004] The disadvantages of the existing integration methods are: either the degree of integration is not high enough, and the integration of dual-function controllers cannot be realized in depth, and the cost savings cannot be achieved more optimally.

Either the level of functional safety still needs to be considered independently to reach the original level, and the level of integration and cost optimization has not yet reached a better level

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