A rail vehicle high voltage interlock protection device and method

A technology of high-voltage interlocking and rail vehicles, which is applied in the direction of power line components, etc., can solve problems such as circuit grounding burnout, and achieve the effects of simple structure, standardization and standardization, and personal safety

Active Publication Date: 2021-02-09
CSR CHENGDU +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention is used to solve the problem that the grounding of the circuit is burned due to the operation of the internal grounding switch of the traction converter when the high-voltage circuit is not disconnected

Method used

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  • A rail vehicle high voltage interlock protection device and method
  • A rail vehicle high voltage interlock protection device and method
  • A rail vehicle high voltage interlock protection device and method

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Embodiment Construction

[0018]The specific embodiments of the present invention will be described in further detail below in conjunction with the drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.

[0019]In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020]In the description of the present invention, it should be noted ...

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Abstract

The invention provides a high-voltage interlock protection device and method for rail vehicles, the device includes a first key box assembly, a second key box assembly, a third key box assembly, a first protection grounding switch assembly, a second protection Earthing switch assembly; the first key box assembly corresponds to the first protective earthing switch, and is used to control the lifting of the corresponding pantograph; the second key box assembly corresponds to the second protective earthing switch, and is used to control the corresponding pantograph Lifting; the third key box assembly corresponds to the first protective earthing switch, the second protective earthing switch, the corresponding workshop power supply and the converters of each compartment, and is used to control the corresponding protective earthing switch, the corresponding traction converter grounding switch and the workshop power supply Between all levels of circuit interlock protection. The device has a simple structure, is safe and reliable, and at the same time, the method ensures the standardization and standardization of the operation of the high-voltage safety interlock system, and ensures the personal safety of operators during vehicle inspection and maintenance.

Description

Technical field[0001]The invention relates to the technical field of locomotive high-voltage protection, in particular to a high-voltage interlocking protection device and method for rail vehicles.Background technique[0002]At present, the high-voltage safety interlocking system is an important part of the high-voltage safety protection system of rail vehicles, which is related to the personal safety of train vehicle operators, the protection and safe use of high-voltage equipment.[0003]In recent years, as more and more rail vehicles have been put into use, the high-voltage safety protection system for train vehicles has gradually become the focus of current work. With the wide promotion and application of domestic AC25kV urban rail vehicles, the safety and reliability of the high-voltage system of vehicles Sexual requirements are getting higher and higher.[0004]However, most of the existing schemes directly operate the traction converter without considering the impact of the high-vo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60M1/04
CPCB60M1/04
Inventor 王天宇许万涛赵晓春谢立军孙宁刘钦生
Owner CSR CHENGDU
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