Battery simulated load circuit and BMS (battery management system) electronic hardware testing system

A load circuit and battery simulation technology, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of low change speed, difficult SOC control, lack of flexibility and stability, etc., and achieve a high degree of controllability, method Simple and convenient to monitor and control the effect

Active Publication Date: 2012-11-21
BEIQI FOTON MOTOR CO LTD
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AI Technical Summary

Problems solved by technology

[0003] Since BMS technology is a brand-new technology, the load of the BMS system is generally done by a real battery, which lacks flexibility and stability. At the same time, the control of SOC is difficult and the change speed is very low, which cannot meet the requirements of BMS test or production line. The test uses

Method used

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  • Battery simulated load circuit and BMS (battery management system) electronic hardware testing system
  • Battery simulated load circuit and BMS (battery management system) electronic hardware testing system
  • Battery simulated load circuit and BMS (battery management system) electronic hardware testing system

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Embodiment Construction

[0033] The battery simulation load circuit and BMS electronic hardware testing system proposed by the present invention are described in detail as follows in conjunction with the accompanying drawings and embodiments.

[0034] Such as figure 1 Shown is a structural block diagram of a battery simulation load circuit according to an embodiment of the present invention; figure 2 Shown is the circuit schematic diagram of the above-mentioned battery simulation load circuit. The load circuit includes: a main controller, a battery load module, a power supply module, a Pack (package) load module, a temperature load module, and a CAN communication module. in:

[0035] The main controller is connected to each module to complete: 1. The SOC control of each battery load module can be increased or decreased; 2. The temperature load module can be controlled to simulate temperature increase or decrease; 3. It can complete the acquisition of the voltage of the battery load module, and sen...

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Abstract

The invention discloses a battery simulated load circuit and a BMS (battery management system) electronic hardware testing system and relates to the technical field of BMSs. The battery simulated load circuit comprises a main controller, a battery load module, a power supply module and a pack load module, wherein the main controller is used for completing the control of a system on chip of each battery load module and the control of the pack load module; the battery load module is connected with the main controller and is used for simulating a battery monomer, linking the battery load for BMS electronic hardware, conducting battery equalization and acquiring the voltage of the battery monomer; the power supply module is connected with the main controller and the battery load module and is used for supplying power to the main controller and supplying charge power to the battery monomer; and the pack load module is connected with the main controller and is used for simulating the voltage and current characteristics of a pack of a BMS. The battery simulated load circuit and a BMS electronic hardware testing system have the advantages of better flexibility, better controllability and better electromagnetic compatibility.

Description

technical field [0001] The invention relates to the technical field of battery management systems (Battery Management System, BMS), in particular to a battery simulation load circuit and a BMS electronic hardware testing system. Background technique [0002] New energy technology is a brand-new technology in the automotive field, and it is the future development direction of automotive technology development. BMS has become one of the three core technologies of new energy and has become a hot spot in the research of new energy technology. The quality of electronic hardware design in BMS is related to the quality of BMS products. A variety of test tests, such as environmental testing, electromagnetic compatibility (Electro Magnetic Compatibility, EMC) testing, etc., in the production process of BMS electronic hardware need to do various production tests, such as functional testing (Functional Circuit Test, FCT), project termination / stop production (End-of-life, EOL) test, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00
CPCY02E60/10
Inventor 何付同张春淮王圣学杜晓佳林则宏谢迪
Owner BEIQI FOTON MOTOR CO LTD
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