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Complete-set aging test system and method for circuit board of automobile motor controller

A technology of motor controller and aging test, which is applied in the direction of electronic circuit testing, instruments, measuring electronics, etc. It can solve the problems of unable to test the aging of motor controller circuit boards, etc., so as to facilitate fault location and traceability, reduce human intervention, and improve the process The effect of work efficiency

Pending Publication Date: 2021-09-10
ZHUZHOU CSR TIMES ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a complete set of aging test system and method for the circuit board of the automobile motor controller, which solves the technical problem that the existing aging test method cannot test the aging test of the circuit board of the motor controller

Method used

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  • Complete-set aging test system and method for circuit board of automobile motor controller
  • Complete-set aging test system and method for circuit board of automobile motor controller
  • Complete-set aging test system and method for circuit board of automobile motor controller

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Embodiment 1

[0044] like figure 1 As shown, the present invention discloses a complete set of aging test system for circuit boards of automobile motor controllers, including: a monitoring component and an aging box connected to the monitoring component. A complete set of analog control units for aging multiple circuit boards to be tested;

[0045] The monitoring component is used to control the analog control unit to provide the working signals required for the aging test of multiple circuit boards to be tested, and send the read test messages generated by the multiple circuit boards to be tested according to the working signals to the monitoring component; The document at least includes serial numbers of multiple circuit boards to be tested and corresponding fault information of multiple circuit boards to be tested;

[0046] The monitoring component is also used for receiving test messages from the analog control unit, and analyzing the test messages to determine the corresponding aging ...

Embodiment 2

[0053] Embodiment two is the preferred embodiment of embodiment one, and its difference with embodiment is that, the specific structure of the complete aging test system of the circuit board of automobile motor controller has been refined and optimized, and its tested The specific process has been refined and optimized:

[0054] The complete aging test system of the circuit board of the automobile motor controller in the present embodiment is as follows: figure 2 As shown, it includes a control cabinet and an aging box connected to the control cabinet. A power supply component, a monitoring component and a rotary transformer are installed in the control cabinet, and a temperature sensor, an analog control unit and multiple load circuits are arranged in the aging box; in this embodiment The upper computer and the control card are used as the monitoring components, and the power supply components use a 12V DC regulated power supply (DC, DC voltage-stabilized source). Also conn...

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Abstract

The invention discloses a complete-set aging test system and method for circuit boards of an automobile motor controller. An aging box is internally provided with an analog control unit which is used for being connected with a plurality of circuit boards to be tested and performing complete-set aging on the plurality of circuit boards to be tested; the analog control unit is controlled by a monitoring assembly to provide working signals required by the aging test of the plurality of circuit boards to be tested; the read test message generated by the plurality of to-be-tested circuit boards according to the working signals are sent to the monitoring assembly; and the monitoring assembly analyzes the test message so as to judge the aging states corresponding to the plurality of circuit boards to be tested according to the serial numbers of the plurality of circuit boards to be tested and the fault information. Compared with the prior art, complete-set aging of a plurality of circuit boards to be tested in the motor controller can be realized, and the aging fault of the controller can be positioned on a single controller circuit board, so that parallel dynamic aging of the complete-set circuit board is realized, the working efficiency of procedures is remarkably improved, and the aging fault of the circuit board in the controller is positioned.

Description

technical field [0001] The invention relates to the technical field of aging detection of automobile motor controllers, in particular to a complete aging test system and method for circuit boards of automobile motor controllers. Background technique [0002] Due to the pressure of energy depletion and environmental pollution, new energy electric vehicles are more and more popular. Among them, the motor controller is one of the key components of electric vehicles. Controlling the normal operation of the motor is the core of the electric drive system. Therefore, in order to verify the performance of the motor controller, its aging test is particularly important. A good motor controller aging method can evaluate the life and performance of the controller circuit board and improve the reliability of the product. The existing aging test method is to carry out the overall aging of the entire controller of the automobile motor, which cannot achieve the aging of the motor controlle...

Claims

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Application Information

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IPC IPC(8): G01R31/28
CPCG01R31/282G01R31/2849
Inventor 李璐宾彬刘浩屈宏涛金水清赵然贾勇
Owner ZHUZHOU CSR TIMES ELECTRIC CO LTD
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