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Portable DC charging pile fault test system and detection method thereof

A technology for DC charging piles and fault testing, which is applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., to achieve the effects of improving detection efficiency, shortening detection time, and light weight

Pending Publication Date: 2021-11-26
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Aiming at the pre-commissioning test and daily operation and maintenance test of DC charging piles, so far, there is no comprehensive, efficient and portable testing equipment that meets the requirements

Method used

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  • Portable DC charging pile fault test system and detection method thereof
  • Portable DC charging pile fault test system and detection method thereof
  • Portable DC charging pile fault test system and detection method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: as Figure 1-3 As shown, a portable DC charging pile fault test system includes a DC charging pile detection terminal, and the DC charging pile detection terminal includes a DC interface device for plugging in the DC charging pile gun head, a BMS simulation board, a simulation circuit board, and a high voltage board. and digital circuit board, high voltage board is used to simulate battery power supply, DC interface device is connected to load, BMS analog board and analog circuit board, high voltage board is connected to analog circuit board and load input, analog circuit board is connected to digital circuit board and load , The load uses a 7.5kw resistive load.

[0032] Preferably, the above-mentioned portable DC charging pile fault test system also includes an IPAD control terminal, and the IPAD control terminal is connected to the DC charging pile detection terminal (specifically a digital circuit board and a BMS analog board) through a wireless module...

Embodiment 2

[0046] Embodiment 2: A test method of a portable DC charging pile fault test system, the method includes the following steps:

[0047] S1. Turn on the power supply of the detection terminal of the DC charging pile, open the supporting control software in the IPAD control terminal, connect to the detection terminal of the DC charging pile through the wireless module, and enter the main interface of the software system;

[0048] S2, the detection operation method steps are as follows:

[0049] Step 1: First connect the charging gun of the charging pile to the DC interface device at the detection end of the DC charging pile;

[0050] Step 2: Input the basic information of the checked charging pile through the system software parameter setting interface in the IPAD control terminal. The basic information of the checked charging pile includes the name of the device, the specification and model of the DC charging pile, the output voltage range of the DC charging pile, the output cur...

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Abstract

The invention discloses a portable direct current charging pile fault test system and a detection method thereof. The system comprises a direct current interface device used for plugging a direct current charging pile gun head, a BMS analog board, an analog circuit board, a high voltage board and a digital circuit board; the high voltage board is used for simulating a battery power supply, the direct current interface device is connected to a load, the BMS analog board and the analog circuit board, and the high-voltage board is connected with the analog circuit board and a load input end; the analog circuit board is connected to the digital circuit board and a load, and the load adopts a 7.5 kw resistive load. The portable direct current charging pile fault test system adopts a portable testing instrument which has a built-in small load and is used for carrying out a safety test, a conduction charging interoperation test and a communication protocol consistency test on a direct-current charging pile, has the characteristics of portability, remote control operation, capability of automatically completing various fault diagnosis of the charging pile according to the test result and the like, and is mainly used for the field daily patrol of the charging piles in the power industry; the system is used for checking the intercommunication and interconnection, and is suitable for the preventive tests, inspection tests and tests before operation of the charging piles.

Description

technical field [0001] The invention relates to the technical field of automatic detection of DC charging piles, in particular to a portable fault testing system for DC charging piles and a detection method thereof. Background technique [0002] New energy vehicles have the characteristics of low pollution, low economic cost, and high performance, and will become the mainstream of the future development of the automotive industry. The development of new energy vehicles promotes the development of its charging facilities. It is predicted that a large number of charging piles will be put into use in the future. Charging piles are further divided into DC charging piles and AC charging piles. Among them, DC charging piles have the advantages of high efficiency and fast charging, adapt to today's fast-paced life, gradually replace AC charging piles, and become the mainstream charging facilities in the future. [0003] Although the charging facility industry is developing rapidl...

Claims

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Application Information

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IPC IPC(8): G01R31/00
CPCG01R31/00
Inventor 张英姚望王明伟黄杰刘喆王为徐龙舞张倩潘云
Owner GUIZHOU POWER GRID CO LTD
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