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Simulation test device and test method for battery management system

A technology of battery management system and simulation test, applied in the direction of measuring device, measuring electricity, measuring electric variables, etc., can solve problems such as failure to find faults in time, difficult fault detection, etc.

Active Publication Date: 2017-09-15
GUANGDONG MECHANICAL & ELECTRICAL COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These two methods detect and monitor the battery management system by obtaining data such as the working parameters of the battery management system. When the battery management system has measurement deviations, these two methods cannot detect faults in time, and it is difficult to effectively troubleshoot the faults. detection

Method used

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  • Simulation test device and test method for battery management system

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Experimental program
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Embodiment 1

[0040] refer to figure 1 , the present invention provides a simulation test device for a battery management system, the battery management system includes a temperature acquisition module, a voltage acquisition module, a charging circuit control module, a current detection module, an insulation detection module, a discharge circuit control module and a CAN The communication module, the analog test device includes a host computer, an analog signal input board, an analog signal output board, a CAN communication interface board, a temperature signal transfer unit, a voltage signal transfer unit, a current signal transfer unit, an insulation resistance Signal transfer unit, battery voltage signal simulation unit, battery current signal simulation unit, insulation resistance signal simulation unit and battery temperature signal simulation unit;

[0041] The CAN communication module is connected with the upper computer through the CAN communication interface board, the output end of...

Embodiment 2

[0061] This embodiment is a fault testing method for a battery management system based on the simulation test device of Embodiment 1, including steps:

[0062] A fault testing method for a battery management system, comprising the steps of:

[0063] Set the simulation parameters of the battery voltage signal simulation unit, battery current signal simulation unit, insulation resistance signal simulation unit and battery temperature signal simulation unit to simulate the work of the electric vehicle battery pack;

[0064] Collect the voltage signal of the battery voltage signal simulation unit, the current signal of the battery current signal simulation unit, the insulation resistance signal simulation unit and the temperature signal of the battery temperature signal simulation unit in real time as the working parameters of the electric vehicle battery pack. To manage the operational data of the system and the simulated measurement data collected by it;

[0065] Match the acqu...

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Abstract

The invention discloses a simulation test device and test method for a battery management system. The simulation test device comprises an upper computer, a simulation signal input board card, a simulation signal output board card, a CAN communication interface board card, a temperature signal switching unit, a voltage signal switching unit, a current signal switching unit, an insulation resistance signal switching unit, a battery voltage signal simulation unit, a battery current signal simulation unit, an insulation resistance signal simulation unit and a battery temperature signal simulation unit; the CAN communication module is connected with the upper computer through the CAN communication interface board card; the output end of the simulation signal input board card is connected with the first input end of the upper computer; and the first output end of the upper computer is connected with the input end of the simulation signal output board card. With the simulation test device and test method for the battery management system of the invention adopted, comprehensive and real-time simulation detection of the battery management system can be realized; the operating status of the battery management system can be embodied in real time; the fault state of the battery management system can be detected; and simulation test can be performed on the battery management system timely and efficiently. The simulation test device and test method for the battery management system can be widely used in the electric vehicle detection field.

Description

technical field [0001] The invention relates to the battery management field of an electric vehicle, in particular to a simulation test device and a test method for a battery management system. Background technique [0002] At present, new energy vehicles are listed as national key projects, which mainly involve the electric vehicle industry, and the current development of key technologies for electric vehicles includes vehicle control technology, power battery technology, battery management system technology, etc. Among them, the battery management system is the link between the power battery and the user. In recent years, with the development of electric vehicle technology, the quality of the battery management system will directly affect the safety and reliability of electric vehicles, so the performance requirements of the battery management system are getting higher and higher. The detection and monitoring of the battery management system is one of the important ways t...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 徐艳民陈力捷邝柏超
Owner GUANGDONG MECHANICAL & ELECTRICAL COLLEGE
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