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Battery pack charge and discharge performance test equipment

A charge-discharge performance and testing equipment technology, which is applied in the field of battery pack charge-discharge performance test equipment, can solve problems such as the unsatisfactory control effect of bus voltage accuracy, and achieve the effects of saving test time, ensuring safety, and avoiding interference

Inactive Publication Date: 2019-06-04
HEBEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Many current battery test equipment can only charge or discharge one side of the battery pack, but cannot make the battery pack self-cycle charge and discharge
Under simulated working conditions, the precision control effect of the bus voltage during the charging and discharging process of the battery pack is not particularly ideal

Method used

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  • Battery pack charge and discharge performance test equipment
  • Battery pack charge and discharge performance test equipment
  • Battery pack charge and discharge performance test equipment

Examples

Experimental program
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Effect test

Embodiment Construction

[0029] figure 1 The shown embodiment shows that the charging and discharging performance testing equipment of the battery pack of the present invention is in the dotted line box, and the equipment includes three-way positive 15V output power supply circuit 1, positive 5V output power supply circuit 2, main control CPU 3, signal acquisition circuit 4, Communication module 5, boost drive circuit based on IR2110 chip 6, DC boost chopper circuit 7, boost boost drive circuit 8, DC boost boost chopper circuit 9, step-down drive circuit based on IR2110 chip 10, DC drop Voltage chopper circuit 11, man-machine interface 12, single-side charging and discharging and self-circulating charging and discharging switching circuit 13;

[0030] The input terminals of the three-way positive 15V output power supply circuit 1 are connected to the energy storage battery pack 15; the output terminals of the three-way positive 15V output power supply circuit 1 are respectively connected to the commun...

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PUM

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Abstract

The invention provides charge-discharge property test equipment for batteries. The equipment comprises three positive 15V output power circuits, a positive 5V output power circuit, a master control CPU, signal acquisition circuits, a communication module, a boost drive circuit based on an IR2110 chip, a direct-current boost chopper circuit, boost-buck drive circuits, a direct-current boost-buck chopper circuit, a buck drive circuit based on the IR2110 chip, a direct-current buck chopper circuit, a human-computer interaction interface and a single-side charge-discharge and self-circulation charge-discharge switching circuit. By means of design of the single-side charge-discharge and self-circulation charge-discharge switching circuit and the boost-buck drive circuits, single-side charge or discharge and self-circulation charge or discharge of the batteries can be realized, a step for manually switching charge and discharge is omitted, test time is saved, and test efficiency is increased; stability and safety of the equipment are guaranteed.

Description

technical field [0001] The invention relates to a device for detecting battery characteristics, in particular to a battery pack charging and discharging performance testing device. Background technique [0002] With the in-depth development of new energy vehicle technology, a battery pack testing and management platform is needed to study whether the battery pack meets the requirements of actual vehicles. Using CAN bus technology, integrate comprehensive environment simulation equipment, battery pack charge and discharge test equipment and battery pack management equipment together to build a platform for performance testing, management and remaining life prediction of battery packs under complex working conditions in a comprehensive environment. The computer interface is used for operation and display. Compared with the existing methods, the charging and discharging test method of the battery pack of the present invention has great advantages in terms of topology flexibili...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/396G01R31/385H01M10/42
CPCG01R31/385
Inventor 李练兵田永嘉侯荣立安子腾许自强
Owner HEBEI UNIV OF TECH