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Power distribution rack falling type fuser lower connector wiring terminal bar

A technology for drop-out fuses and terminal blocks, which is applied to circuits, electrical components, emergency protection devices, etc., can solve the problems of potential safety hazards in the connection mode of lower contacts, and achieve increased physical contact area, enhanced connection strength, and enhanced current The effect of passing ability

Inactive Publication Date: 2015-06-17
FUSHUN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems existing in the above-mentioned prior art, the present invention provides a terminal block for the lower contact of the drop-out fuse on the distribution platform, which solves the problem of potential safety hazards in the connection mode of the lower contact during the application of the drop-out fuse

Method used

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  • Power distribution rack falling type fuser lower connector wiring terminal bar
  • Power distribution rack falling type fuser lower connector wiring terminal bar

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Embodiment

[0024] Such as Figure 1-2 As shown, the terminal block body includes connection section 1, horizontal section 2 and end section 3. The body has a total length of 400 mm, a width of 30 mm, and a thickness of 5 mm; the length of the connection section is 150 mm, the length of the horizontal section is 200 mm, and the length of the end section is 50 mm; the connection section and Both the end section and the horizontal section are inclined, the inclination angle a between the connecting section and the horizontal section is 105°-115°, the inclination angle b between the horizontal section and the end section is 105°-115°; the connecting section and Bolt holes 4 with a diameter of 6mm are provided on the end section to facilitate the effective connection of insulated wires with terminals and drop-out terminal blocks. The distance between the bolt holes is 30mm from the edge, and the bolt holes are connected with bolts. A connecting hole with a diameter of 6mm, the connecting hole...

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Abstract

The invention relates to a power distribution rack falling type fuser lower connector wiring terminal bar. The power distribution rack falling type fuser lower connector wiring terminal bar is characterized in that a body comprises a connection section, a horizontal section and a tail section, wherein the connection section and the horizontal section, and the tail section and the horizontal section are arranged obliquely; the connection section and the tail section are provided with bolt holes and the bolt holes are connected with bolts; the horizontal section is provided with a connection hole; and the connection hole is connected with a bolt type grounding ring. The power distribution rack falling type fuser lower connector wiring terminal bar is simple to mount, simple and convenient to operate, and safe and practical; and the safety, economical efficiency and reliability of a power grid can be improved.

Description

technical field [0001] The invention relates to a drop-out fuse, in particular to a lower contact terminal block of a drop-out fuse on a distribution platform. Background technique [0002] Due to the characteristics of economy, flexibility and strong adaptability to the environment, drop-out fuses are widely used in the primary side of transformer racks on poles and cable racks as overcurrent protection switchgear. However, in the application process of drop-out fuses, there are also some disadvantages due to the structure of the lower contacts. The details are as follows: [0003] 1. The copper-aluminum contact of the drop-type lower contact is easily broken at the copper-aluminum junction due to wind swing and other reasons, thus causing failure. [0004] 2. The actual contact area between the drop-down lower terminal contact and the copper-aluminum node of the transformer horizontal bus lead is insufficient, which may easily cause the contact to overheat and burn. [0...

Claims

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Application Information

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IPC IPC(8): H01H85/143
CPCH01H85/143
Inventor 胡桂宾徐亮黄延海王清昊林福波高龙蔡琪王峰杜刚王爽林海裴玉杰徐建国朱波钟瑞
Owner FUSHUN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY
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