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Pressure relief type internal arcing protection switch equipment

A protection switch and pressure relief technology, applied in pull-out switch cabinets, switchgears, electrical components, etc., can solve problems such as misoperation, affecting safety performance, etc., and achieve the effects of safe operation, convenient operation and reasonable structure

Active Publication Date: 2013-07-24
JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing AC switchgear, due to the structure of the cabinet and other reasons, affects the safety performance of the use and has misoperation and other phenomena.

Method used

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  • Pressure relief type internal arcing protection switch equipment
  • Pressure relief type internal arcing protection switch equipment
  • Pressure relief type internal arcing protection switch equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] A switchgear with internal arc protection, including a cabinet body 1, a handcart 2, a screw rod 3 that drives the handcart to move, and a grounding switch 4. The front end of the screw rod is the part connected to the crank handle that drives the screw rod to rotate. Set the screw sleeve 5 on the connecting part, the two sides of the screw sleeve are movable on the bolt 6, and a screw sleeve locking pin 7 that can move left and right is inserted behind the screw sleeve and the outside of the bolt 6, and the screw lock is locked. There is a groove 8 on the pin, and the side wall of the front end of the groove is inclined. The corresponding part of the front door 9 of the switch cabinet body and the screw rod is provided with a locking dial that is inserted into the groove of the locking pin of the screw rod and moves the locking pin outward. Fork 10; when the front door is closed, the locking shift fork is inserted into the locking pin groove along the inclined plane, so...

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PUM

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Abstract

The invention discloses pressure relief type internal arcing protection switch equipment. The front end of a lead screw is the position where the lead screw is connected with a crank which drives the lead screw to rotate, and a lead screw sleeve is sleeved at the connecting position. Two sides of the lead screw sleeve are movably mounted on bolts, a lead screw sleeve shutting pin which can move left and right is inserted in the back of the lead screw sleeve and on the outer side of one bolt, the lead screw sleeve shutting pin is provided with a groove, and the side wall of the front end of the groove is of a slope shape. A lead screw shutting pin inserting groove and a shutting shifting fork which enables the shutting pin to move outwards are arranged on a front door of a switch cabinet body and the corresponding position of the lead screw. The parts of a top plate of the cabinet body corresponding to a cable chamber, a bus chamber and a switch chamber are respectively provided with an outward turning pressure relief cover. The pressure relief type internal arcing protection switch equipment is reasonable in structure, and safe, convenient and accurate in operation.

Description

[0001] This application is a divisional application with application number: 201180047892.5, application date: 2013.4.3, and name: "Switching equipment with internal arc protection". technical field [0002] The invention relates to an alternating current switching device. Background technique [0003] Due to reasons such as the structure of the cabinet body, the existing AC switchgear affects the safety performance of use and has phenomena such as misoperation. Contents of the invention [0004] The object of the present invention is to provide a switchgear with internal arc protection with reasonable structure, safe, convenient and accurate operation. [0005] Technical solution of the present invention is: [0006] A switchgear with internal arc protection, including a cabinet body, a handcart, a screw rod that drives the handcart to move, and a grounding switch. Set the screw sleeve on the connection part, the two sides of the screw sleeve are movable on the bolt, an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B11/133
Inventor 孙益源邱卫东孙志中
Owner JIANGSU DONGYUAN ELECTRIC APPLIANCEGROUP