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Rail vehicle and its charging system, charging control device and method

A rail vehicle and charging device technology, which is applied in the field of rail vehicles, can solve problems such as power battery damage and affect vehicle safety, and achieve the effect of improving reliability

Active Publication Date: 2022-01-07
BYD CO LTD
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  • Abstract
  • Description
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Problems solved by technology

However, since the direction in which the vehicle arrives at the charging station is not fixed, for example, for an east-west charging station, when the vehicle arrives at the charging station, the driving direction may be from west to east or from east to west, so when charging There may be a case where the charging positive and negative poles are reversed, which may cause damage to the power battery and affect the safety of the vehicle

Method used

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  • Rail vehicle and its charging system, charging control device and method
  • Rail vehicle and its charging system, charging control device and method
  • Rail vehicle and its charging system, charging control device and method

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Embodiment Construction

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0026] The rail vehicle, its charging system, and charging control method according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0027] figure 1 is a schematic block diagram of a charging control device for a rail vehicle according to an embodiment of the present invention. Such as figure 1 As shown, the charging control device 100 of the rail vehicle includes: a current taking device 10 , a switch circuit 20 and a controller 30 .

[0028] refer to figure 1...

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Abstract

The invention discloses a rail vehicle and its charging control device, method, and charging system, wherein the charging control device includes: a current-taking device, which is used to connect the charging device arranged at the charging station when the rail vehicle stops at the charging station; A switch circuit, one end of the switch circuit is connected to the power battery of the rail vehicle, the other end of the switch circuit is connected to the current taking device, the switch circuit includes a first switch assembly and a second switch assembly; the controller is connected to the first switch assembly respectively It is connected with the second switch assembly, and is used to control the first switch assembly or the second switch assembly to close according to the connection relationship between the current-taking device and the charging device, so that when the power battery is charged, the polarity of the charging port of the charging device is consistent with the positive and negative polarity of the power battery. Polarity remains the same. Thus, it is possible to avoid the phenomenon of wrong charging when the rail vehicle is driving in different directions, and improve the charging reliability of the rail vehicle.

Description

technical field [0001] The invention relates to the technical field of rail vehicles, in particular to a rail vehicle charging control device, a rail vehicle, a rail vehicle charging system and a rail vehicle charging control method. Background technique [0002] Generally speaking, if a vehicle that requires energy from a power battery, such as a rail vehicle, needs to charge the power battery while driving on the road, the vehicle needs to be controlled to drive to a charging station for charging. However, since the direction in which the vehicle arrives at the charging station is not fixed, for example, for an east-west charging station, when the vehicle arrives at the charging station, the driving direction may be from west to east or from east to west, so when charging Positive and negative charging may be reversed, which may cause damage to the power battery and affect the safety of the vehicle. Contents of the invention [0003] The present invention aims to solve ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00
CPCH02J7/0034B60L2200/26H02J7/00
Inventor 马栋茂其他发明人请求不公开姓名
Owner BYD CO LTD
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