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Charging pipe testing load device

A charging pile testing and loading device technology, which is applied to measuring devices, components of electrical measuring instruments, measuring electricity, etc., can solve the problem of high cost, achieve the effects of easy implementation, simple circuit structure, and cost reduction

Inactive Publication Date: 2020-03-06
XJ POWER CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a charging pile test load device to solve the problem of high cost of the current charging pile load test device

Method used

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  • Charging pipe testing load device
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  • Charging pipe testing load device

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Embodiment Construction

[0023] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0024] The charging pile test load device of the present invention includes a control unit, a power load tube unit and a current compensation unit connected to the control unit, wherein the control unit controls the power load tube unit to perform logic switching according to the set current value required for the charging pile test, And control the current compensation unit to perform current compensation according to the actual pull current value collected after switching, so that the actual pull current value is equal to the set pull current value required for the charging pile test. The present invention can realize the load adjustment through the power load tube unit and the current compensation unit, and realize the necessary function of on-load test detection in the application place of the charging pile without using the programmable ...

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Abstract

The invention relates to a charging pile testing load device, and belongs to the technical field of charging pile testing. Load adjustment is realized by means of the combination of a power load tubeunit and a current compensation unit, the logic switching of the power load tube unit is firstly controlled according to set source current value, and then the current compensation unit is controlledto perform current compensation according to the actual source current value acquired after switching, so that the actual source current value is equal to the set source current value, the supply of the load source current in the charging pile testing process is realized, and a testing requirement is met. The current adjustment in the charging pile testing process can be realized only by the powerload tube unit and the current compensation unit, the programmable comprehensive electronic load is unnecessary, the cost is greatly reduced, and the circuit structure is simple and easy to realize.

Description

technical field [0001] The invention relates to a charging pile testing load device, which belongs to the technical field of charging pile testing. Background technique [0002] Electric vehicles are powered by on-board power supply, which has less impact on the environment and has wide application prospects. The charging pile is an energy supply device for electric vehicles. The input end of the charging pile is connected to the AC power grid, and the output end is the on-board power supply in the electric vehicle through the charging plug. Charge. The charging performance of the charging pile will directly affect the service life of the battery pack. Therefore, corresponding test equipment is needed to test the charging performance of the charging pile. The core component of the test equipment is the load device, and most of the current test load devices use programmable electronic loads with comprehensive functions. For example, the patent document with the authorized a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R1/02
CPCG01R31/00G01R1/02
Inventor 胡小东孙学武胡丹丹杜云峰韦浩睿翟思捷刘道江朱佳鸽赵恒宇
Owner XJ POWER CO LTD