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Intermediate transition terminal for rail transit converters

A technology for rail transit and transition terminals, which is used in output power conversion devices, electrical components, circuits, etc. to enhance flexibility, meet the trend of miniaturized design, and improve the reliability of electrical connections.

Inactive Publication Date: 2020-02-21
CRRC YONGJI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve many problems existing in the installation of existing power modules, the present invention provides an intermediate transition terminal for rail transit converters

Method used

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  • Intermediate transition terminal for rail transit converters
  • Intermediate transition terminal for rail transit converters
  • Intermediate transition terminal for rail transit converters

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0030] see figure 1 , figure 1 What is shown is an intermediate transition terminal for a rail transit converter, including a long plate-shaped insulating base plate 1, and three connecting copper bars 2 are arranged side by side along the length direction of the insulating base plate 1 on both sides of the insulating base plate 1.

[0031] The four corners of each connecting copper bar 2 on the left side are respectively provided with four connecting holes, and the corresponding insulating base plate 1 is also provided with corresponding connecting grooves one by one. Each connecting copper bar 2 on the right side is provided with a connection hole above and two connection holes below, and the corresponding insulating base plate 1 is also provided with connection grooves one by one. A stud 5 is installed in each connecting slot, and the wiring of the wiring harness 4 is inserted into the connecting terminal 3, and the connecting terminal 3 is provided with a mounting hole co...

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PUM

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Abstract

The invention relates to the field of installation of a high-voltage cable for rail transit converters, in particular to an intermediate transition terminal for rail transit converters. The intermediate transition terminal comprises an insulating bottom plate, a plurality of connecting copper bars and a plurality of wiring terminals. The connecting copper bars are arranged on the insulating bottomplate along the length direction of the insulating bottom plate. Each connecting copper bar is provided with at least two connecting holes. The insulating bottom plate is provided with connecting grooves in one-to-one correspondence with all the connecting holes. A stud is mounted in each connecting groove. Wiring parts of wiring harnesses are arranged in the wiring terminals in a penetrating manner. Each wiring terminal is provided with a mounting hole corresponding to any connecting hole. The stud body of at least one stud sequentially penetrates through the connecting holes of the connecting copper bars, continues to penetrate through the mounting holes of the wiring terminals and is fastened and connected through a nut gasket assembly. At least two wiring terminals are arranged on each connecting copper bar. According to the invention, the installation space of a high-voltage cable in a converter cabinet is saved, the electrical characteristics of high-voltage cable output are satisfied, and the electrical connection reliability is improved.

Description

technical field [0001] The invention relates to the field of installation of high-voltage cables for rail traffic converters, in particular to an intermediate transition terminal for rail traffic converters. Background technique [0002] In recent years, EMUs and locomotives in the field of rail transit tend to be lightweight and miniaturized. The converter cabinet is an important electrical component for the assembly of EMUs and locomotives. , High-efficiency technical indicators and requirements. Therefore, in the design of the overall layout, device layout, and electrical assembly of the converter in the rail transit field, it is necessary to consider the compact space and meet the design requirements of electrical performance. Under such a design background, relevant design inventions that can save design space in converters are particularly important. [0003] In the existing EMU and locomotive converters, the power module is an important device in the converter cabin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R9/16H01R9/28H02M1/00H02G3/02
CPCH01R9/16H01R9/28H02G3/02H02M1/00
Inventor 孙湘漪刘佳张强强郑旭阳刘谆刘雄金春羽刘继军
Owner CRRC YONGJI ELECTRIC CO LTD
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