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V2G direct current charging and discharging facility inspection system and discharging method

A technology for charging and discharging facilities, which is applied in the V2G DC charging and discharging facility inspection system and discharge field, which can solve the problems of difficult transportation and carrying heavy loads, and achieve the effects of reducing costs, improving the efficiency of operation and maintenance detection, and reducing the difficulty of operation and maintenance

Pending Publication Date: 2022-06-03
SHANDONG LUNENG SOFTWARE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The above-mentioned devices are used on site and need to carry heavy loads, making transportation difficult

Method used

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  • V2G direct current charging and discharging facility inspection system and discharging method
  • V2G direct current charging and discharging facility inspection system and discharging method
  • V2G direct current charging and discharging facility inspection system and discharging method

Examples

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Effect test

Embodiment 1

[0045] see attached figure 1 As shown, this embodiment discloses a V2G DC charging and discharging facility inspection system, including a V2G charging and discharging facility inspection device, and the V2G charging and discharging facility inspection device can be connected to a charger (including a common charger and a V2G function charger). ) to start charging. On the one hand, you can directly connect the resistive load to start the current, or directly connect to the electric vehicle to view the entire charging process and messages. On the other hand, it can directly connect the V2G charger, start the current, and feed the energy back to the grid to realize a small cycle within the grid, that is, to realize the grid-charger-V2G charging and discharging facility inspection device-V2G charger-grid internal small cycle. It does not increase the burden on the grid, and at the same time greatly reduces the load loss.

[0046] see attached figure 2 As shown, the specific V2...

Embodiment 2

[0060] see attached image 3 As shown, the purpose of this embodiment is to provide a grid-charger-V2G charging and discharging facility inspection device-V2G charger-grid internal small-cycle discharge control strategy:

[0061] Step 1. Connect the charging gun of the charger to the charging socket CZ1 of the V2G charging and discharging facility inspection device, connect the charging gun of the V2G charger to the charging socket CZ2 of the V2G charging and discharging facility inspection device, open the mobile phone Bluetooth and connect the mobile phone WeChat applet to display operation settings, select Good related charger program (GB 15 or GB 11), set parameters such as required voltage and current, click to start charging, the V2G charging and discharging facility inspection device program controls DO1 to close, DO2 to close, DO3 and DO4 to open, and CAN1 port to call the relevant national standard 15 or vehicle protocol, CAN2 port calls V2G protocol.

[0062] In ord...

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Abstract

The invention provides a V2G direct current charging and discharging facility inspection device and a discharging method, at least one V2G charger is installed on the basis of a single electric vehicle charging station, and the V2G direct current charging and discharging facility inspection device at least comprises a control module, a battery voltage module and a relay contactor; the battery voltage module is used for simulating power supply voltage output of a battery in the starting process of the charger; the relay contactor is used for controlling on and off of each switch; and the control module is used for switching and protocol control of communication ports between equipment connected with the charging input interface and equipment connected with the charging output interface, and discharging control of an internal small cycle formed by the power grid, the charger, the V2G charging and discharging facility inspection device, the V2G charger and the power grid in sequence.

Description

technical field [0001] The invention belongs to the technical field of charging and discharging testing of chargers, and in particular relates to a V2G direct current charging and discharging facility inspection system and a discharging method. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] About V2G is the abbreviation of Vehicle-to-grid (vehicle to grid). V2G describes the relationship of electric vehicles to the grid. When the electric vehicle is not in use, the power from the on-board battery is sold to the grid's system. If the on-board battery needs to be charged, current flows from the grid to the vehicle. Charging and discharging facilities refer to charging equipment with V2G function. [0004] At present, new energy vehicles are developing in the direction of "electrification, networking, and intelligence". How to make the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/00G01R31/12
CPCG01R31/00G01R31/1227Y04S30/12
Inventor 孟祥志贾增东刘雷庄德才李磊褚俊兴何志超董俊杰尚文政王立军毕瀚中
Owner SHANDONG LUNENG SOFTWARE TECH
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