Moving contact connecting board for intelligent control and protection device

A protection device and intelligent control technology, applied in the field of power transmission and distribution, can solve the problems of poor adsorption, damage to the arc extinguisher, equipment and personnel safety threats, etc., to shorten the arc extinguishing time, increase the arc extinguishing performance, prevent slippery effect

Inactive Publication Date: 2014-07-30
江苏大正电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional control and protection device includes the static contact connecting plate, the moving contact connecting plate and the arc extinguishing cover. The arc extinguishing grid is arranged in the arc extinguishing cover. When the moving contact and the static contact contact each other, an arc will be generated. However, due to The structure of the moving contact connecting plate is limited, and the adsorption between it and the arc extinguishing grid is not very good. The arc will directly penetrate the shell of the arc extinguishing cover through the moving contact connecting plate, which will damage the arc extinguishing cover and cause a fire. Threat to the safety of equipment and personnel

Method used

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  • Moving contact connecting board for intelligent control and protection device
  • Moving contact connecting board for intelligent control and protection device
  • Moving contact connecting board for intelligent control and protection device

Examples

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example 1

[0019] As shown in the figure, a moving contact connecting plate for intelligent control and protection devices includes a main connecting plate 1, an auxiliary connecting plate 2 and a moving contact 3, and the main connecting plate 1 includes a rectangular main connecting plate body 4. The main connecting plate body 4 is provided with a clamping part 5 extending to the left and right sides, the shape of the clamping part 5 is an isosceles trapezoid, and the two sides 51 of the isosceles trapezoid are arc-shaped structure, the outer side of the clamping part 5 is vertically provided with a baffle 6 upwards, the clamping part 5 is provided with a rectangular card interface 7, and the width h1 of the card interface 7 is the same as that of the clamping part. The width h2 is the same, the main connecting plate 1 is provided with a guide plate 8 extending from the upper and lower ends, the two corners 81 of the guide plate 8 are arc-shaped structures, and the length of the main co...

example 2

[0021] As shown in the figure, a moving contact connecting plate for intelligent control and protection devices includes a main connecting plate 1, an auxiliary connecting plate 2 and a moving contact 3, and the main connecting plate 1 includes a rectangular main connecting plate body 4. The main connecting plate body 4 is provided with a clamping part 5 extending to the left and right sides, the shape of the clamping part 5 is an isosceles trapezoid, and the two sides 51 of the isosceles trapezoid are arc-shaped structure, the outer side of the clamping part 5 is vertically provided with a baffle 6 upwards, the clamping part 5 is provided with a rectangular card interface 7, and the width h1 of the card interface 7 is the same as that of the clamping part. The width h2 is the same, the main connecting plate 1 is provided with a guide plate 8 extending from the upper and lower ends, the two corners 81 of the guide plate 8 are arc-shaped structures, and the length of the main co...

example 3

[0023] As shown in the figure, a moving contact connecting plate for intelligent control and protection devices includes a main connecting plate 1, an auxiliary connecting plate 2 and a moving contact 3, and the main connecting plate 1 includes a rectangular main connecting plate body 4. The main connecting plate body 4 is provided with a clamping part 5 extending to the left and right sides, the shape of the clamping part 5 is an isosceles trapezoid, and the two sides 51 of the isosceles trapezoid are arc-shaped structure, the outer side of the clamping part 5 is vertically provided with a baffle 6 upwards, the clamping part 5 is provided with a rectangular card interface 7, and the width h1 of the card interface 7 is the same as that of the clamping part. The width h2 is the same, the main connecting plate 1 is provided with a guide plate 8 extending from the upper and lower ends, the two corners 81 of the guide plate 8 are arc-shaped structures, and the length of the main co...

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PUM

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Abstract

The invention relates to a moving contact connecting board for an intelligent control and protection device. The moving contact connecting board comprises a main connecting board, an auxiliary connecting board and moving contacts. The main connecting board comprises a rectangular main connecting board body. The two sides of the main connecting board body respectively extend to form a clamping-connecting component. The outer side of each clamping-connecting component is upwards provided with a baffle perpendicular to the clamping-connecting component. Each clamping-connecting component is provided with a rectangular clamping-connecting port. The main connecting board is provided with guide boards extending towards the two ends respectively. The two corners of each guide board are of a circular arc structure. The included angle a between each guide board and the horizontal direction ranges from 30 degrees to 65 degrees. The two ends of the auxiliary connecting board are respectively provided with a circular fixing hole. The auxiliary connecting board is connected to the upper portion of the main connecting board in a welded mode. The two moving contacts are connected to the lower portion of the main connecting board in a welded mode. The moving contact connecting board and an arc chute are well attracted, arc extinguishing is rapid, the moving contact connecting board is effectively prevented from introducing electric arcs to an arc extinguishing chamber, and the moving contact connecting board is safer and more reliable.

Description

technical field [0001] The invention relates to a moving contact connecting plate, in particular to a moving contact connecting plate used for an intelligent control and protection device, and belongs to the technical field of power transmission and distribution. Background technique [0002] Intelligent control and protection device refers to the current under normal circuit conditions that can be intelligently controlled to close, carry and break, and can close, carry and break current under abnormal circuit conditions (including short-circuit conditions) within a specified time switchgear. It can be used to distribute electric energy, start asynchronous motors infrequently, protect power lines and motors, and automatically cut off the circuit when they are severely overloaded or short-circuited, under-voltage, leakage, etc., and its function is equivalent to a plastic shell switch. Combination with AC contactor, electric shock protector, motor protector, etc. [0003] T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H73/04H01H73/18
Inventor 张春荣季家辉
Owner 江苏大正电气有限公司
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