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Connector

A technology of connectors and connecting bars, which is applied in the field of converters, can solve the problems of unfavorable power module replacement due to the connection mode between the power module and the main circuit of the converter, so as to reduce the rapid aging phenomenon, ensure safety, and facilitate the circulation of air Effect

Active Publication Date: 2019-05-31
CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the technical problem that the connection mode between the existing power module and the main circuit of the converter is not conducive to the replacement of the power module, and proposes a connector that can improve the replacement and maintenance efficiency of the power module

Method used

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Embodiment Construction

[0024] In the following, the present invention will be specifically described through exemplary embodiments. It should be understood, however, that elements, structures and characteristics of one embodiment may be beneficially incorporated in other embodiments without further recitation.

[0025] In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "inner", "outer", "upper" and "lower" are based on the attached figure 1 The positional relationship shown is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention . In addition, the terms "first", "second", "third", and "fourth" are used for descriptive purposes only, and should not be con...

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Abstract

The invention proposes a connector, and the connector comprises a first cover body, a second cover body, and a first connection strip. The first cover body and the second cover body are fixedly connected with each other at end parts. A first cavity which can limit the movement of the first connection strip is formed between the first cover body and the second cover body. The first cavity forms a first opened end. The first connection strip is disposed in the first cavity in a sleeved manner, and the first opened end, corresponding to the first cavity, of the first connection strip is providedwith a first connection end part. The first connection end part is provided with a first fixed groove, so as to achieve the electrical connection with a transformer main circuit through a plugging connection copper bar. The connector can improve the replacement and maintenance efficiency of a power module.

Description

technical field [0001] The invention belongs to the technical field of converters, and in particular relates to a connector for conducting current between a power module and a main circuit of the converter. Background technique [0002] High-power high-voltage converters are widely used in fields such as ships, wind power, and rail transit. The internal power module is the core unit of the inverter or rectification function of the entire converter, and is often used as a whole module with the converter connected to the main circuit of the device. [0003] At present, most power modules use a low-sensitivity busbar opening and bolt fastening structure for the external main circuit interface. When the internal power module is installed in the converter, more bolts are used to connect with external copper bars or cables. [0004] However, due to the narrow installation space of the converter, it is extremely inconvenient to fasten and disassemble the bolts, especially when rep...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R13/512H01R13/02H02M1/00
CPCH01R13/02H01R13/512H02M1/00
Inventor 史建强张春磊周江伟王长昌蔡纪卫徐先伟鲍庆臣
Owner CRRC QINGDAO SIFANG ROLLING STOCK RES INST
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