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An integrated double-gun DC charger capable of arbitrary power scheduling and its control method

A power scheduling and charger technology, applied in the field of circuit devices or systems, can solve the problem that charging power cannot be flexibly scheduled.

Active Publication Date: 2020-10-23
SHENZHEN CAR ENERGY NET CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, although there are documents disclosing charging piles with multiple guns for one machine, there are still the following problems: each charging gun is equipped with a fixed charging current, and the charging power cannot be flexibly dispatched

Method used

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  • An integrated double-gun DC charger capable of arbitrary power scheduling and its control method
  • An integrated double-gun DC charger capable of arbitrary power scheduling and its control method
  • An integrated double-gun DC charger capable of arbitrary power scheduling and its control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Such as figure 1 As shown, the DC charger with one machine and two guns is equipped with charging guns that can pass the charging current of all charging modules. Any charging gun can reach full power output, so that the owner can enjoy the power from any charging gun. The whole pile of fast charging service.

[0038] One machine with two guns DC charger, divide all charging modules into eight groups, each group is composed of one charging module, the DC output terminal is directly mounted under one DC bus or indirectly mounted on two DCs in parallel through a DC contactor. Under the bus bar, there are two DC bus bars in total. The other end of the DC bus bar is connected to a charging control DC contactor (bus bar DC contactor), and the other end of the charging control DC contactor is connected to a DC charging gun. Between each two DC bus bars Connect the power dispatching DC contactor across. The power scheduling DC contactor between each two DC buses, the nine gr...

Embodiment 2

[0043] Such as figure 2 As shown in the figure, all the charging modules are divided into six groups, each group is composed of one charging module, and the DC output terminal is directly mounted under a DC bus or indirectly connected in parallel through a DC contactor. Under the two DC buses, there are two DC buses in total. The other end of the DC bus is connected to the charging control DC contactor (bus DC contactor), and the other end of the charging control DC contactor is connected to the DC charging gun. Every two DC buses A power dispatching DC contactor is connected across them. The power scheduling DC contactor between each two DC buses, the seven groups of 14 DC contactors in the "C" shaped ring path formed by the two DC buses and the corresponding bus DC contactors, and two DC charging guns are only allowed The following three states: 1. The Ka or Kb DC contactor pulls in, that is, the charging gun near the side of the car controls only one set of DC contactors ...

Embodiment 3

[0048] Such as image 3 As shown in the figure, all charging modules are divided into five groups, each group is composed of one charging module, and the DC output terminal is directly mounted under a DC bus or indirectly mounted in parallel through a DC contactor. Under the two DC buses, there are two DC buses in total. The other end of the DC bus is connected to the charging control DC contactor (bus DC contactor), and the other end of the charging control DC contactor is connected to the DC charging gun. Every two DC buses A power dispatching DC contactor is connected across them. The power dispatching DC contactor between every two DC buses, the six groups of 12 DC contactors in the "C" shaped ring path formed by the two DC buses and the corresponding bus DC contactors, and two DC charging guns are only allowed The following three states: 1. The Ka or Kb DC contactor pulls in, that is, the charging gun near the side of the car controls only one set of DC contactors to pul...

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PUM

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Abstract

The invention discloses an integrated double-gun direct current battery charger capable of randomly adjusting power and a control method. By selecting all power adjusting direct current contactors tobe switched on or switched off, one or more charging modules are controlled to be connected with charging guns respectively to output charging current, the technical problem in the prior art that a double-gun charging pile system cannot be flexibly adjusted is solved, the charging power of a charging pile is flexibly adjusted, any charging module can adjust the power by outputting charging currentthrough any charging gun, thus the use ratio of the charging modules is increased, then the cost of the charging pile is lowered, and the economic and social benefit is high. The integrated double-gun direct current charging battery charger can be widely applied to various double-gun direct current battery chargers.

Description

technical field [0001] The invention relates to a circuit device or system for power supply or power distribution, in particular to a double-gun DC charger for an electric vehicle and a charging control method thereof. Background technique [0002] At present, the charging piles at home and abroad are one machine and one gun. As the governments of various countries gradually increase their support for new energy vehicles, more and more new energy vehicles are put on the market, and the ratio of electric vehicles to piles is increased. The problem that the government needs to face is to use less social resources to build more charging piles to increase the ratio of vehicles to piles so that more new energy vehicle owners can use new energy vehicles better. One machine with two guns charging pile is one of the better solutions. [0003] In order to further respond to the call of the society for energy conservation and emission reduction, build a charging pile with the functio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L53/20B60L53/302B60L53/16B60L53/66G07F15/00
CPCB60L2210/10B60L2210/30B60L53/00B60L53/31B60L53/665B60L58/12G07F15/005H05K7/20909Y02T10/70Y02T10/7072Y02T90/12Y02T90/14Y02T90/16
Inventor 葛俊闫垚锋张新登
Owner SHENZHEN CAR ENERGY NET CO LTD