Electric vehicle controller testing device and system, and use method

A vehicle controller, electric vehicle technology, applied in the direction of electrical testing/monitoring, can solve the problems of slow test speed, poor portability, low coverage, etc., to achieve the effect of improving the test speed

CN105159287AInactive Publication Date: 2015-12-16中汽院智能网联科技有限公司 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2015-12-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The embodiment of the invention discloses an electric vehicle controller testing device and system. The electric vehicle controller testing device comprises a wire harness connection board, a signal link board and a relay load board which are arranged in a box body, wherein the wire harness connection board is in movable connection with a vehicle controller to be tested through a wire harness; the signal link board comprises a digital signal input circuit, a digital signal output circuit, an H bridge output circuit, an analog signal input circuit, a CAN communication circuit and a power supply circuit which are respectively and electrically connected with the wire harness connection board; and the relay load board comprises a relay load circuit which is electrically connected with the power supply circuit, the digital signal output circuit and the H bridge output circuit. The electric vehicle controller testing device and system send a digital test signal and an analog test signal to the vehicle controller to be tested and receive a returned digital feedback signal and returned CAN message data, a full and rapid test is carried out on the vehicle controller to be tested, and the portability is effectively improved by the design of the box body.
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Description

technical field

[0001] The invention relates to the technical field of electric vehicles, in particular to an electric vehicle vehicle controller testing device and system, and a method for using the electric vehicle vehicle controller hardware testing system. Background technique

[0002] As a new energy vehicle, pure electric vehicles have many advantages such as low pollution, low noise and high efficiency. With the improvement of people's awareness of environmental protection, the market demand for pure electric vehicles is also increasing.

[0003] In the design and manufacture of pure electric vehicles, the vehicle controller is the core component of the control system of pure electric vehicles, responsible for the control, coordination and monitoring of the overall operation of the vehicle. The main functions of the vehicle controller include vehicle operation control, energy management, vehicle operation status display, vehicle network management, fault diagnosis an...

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Embodiment Construction

[0060] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0061] The vehicle controller is the core control component of electric vehicles. It collects accelerator pedal signals, brake pedal signals and other component signals, and after making corresponding judgments, controls the actions of the lower-level component controllers to drive the electric vehicle to run normally. The vehicle controller p...