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Vacuum degree measuring device for vacuum arc-extinguishing chamber

A vacuum interrupter and measuring device technology, which is applied to high-voltage air circuit breakers, electrical components, electrical switches, etc., can solve problems such as inconvenient operation, avoid collisions and collisions, require high flexibility and strength, and save measurement costs Effect

Active Publication Date: 2021-06-18
TIANJIN PINGGAO INTELLIGENT ELECTRIC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006]The object of the present invention is to provide a vacuum interrupter vacuum measurement device to solve the problem of using a manipulator to turn over the vacuum interrupter to be measured in the prior art to turn it Technical problem of inconvenient operation when fixed on the corresponding vacuum degree measuring device

Method used

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  • Vacuum degree measuring device for vacuum arc-extinguishing chamber
  • Vacuum degree measuring device for vacuum arc-extinguishing chamber
  • Vacuum degree measuring device for vacuum arc-extinguishing chamber

Examples

Experimental program
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Effect test

specific Embodiment 1

[0045] like Figure 1 to Figure 4 As shown, the vacuum degree measuring device of the vacuum interrupter includes a frame 1, and the positioning seat of the arc extinguishing chamber and the coil fixing seat 7 are installed on the frame 1, wherein the positioning seat of the arc extinguishing chamber is used to position and fix the vacuum interrupter to be measured The upper surface of the coil holder 7 is fixedly equipped with an electromagnetic coil 2 . The electromagnetic coil 2 is mainly used to be sleeved outside the vacuum interrupter during the measurement process, and the inner hole of the electromagnetic coil 2 can meet the requirements of the vacuum interrupter of different specifications when measuring the vacuum degree. The vacuum interrupter goes through. The vacuum degree measuring device of the vacuum interrupter also includes a movable end electrode 12 and a static end electrode 25. The movable end electrode 12 is used for electrical connection with the movabl...

Embodiment 2

[0055] The difference between this embodiment and the above-mentioned embodiment 1 is that in the above-mentioned embodiment, the coil fixing seat moves up and down, and the positioning seat of the arc extinguishing chamber moves in translation along the extending direction of the slide rail, but in this embodiment, the coil fixing seat can both move up and down, It can also be moved horizontally, and the positioning seat of the arc extinguishing chamber is fixed on the frame without moving. At this time, a slide rail can be set on the coil fixing seat, and a sliding assembly slide plate can be guided on the slide rail to fix the electromagnetic coil on the slide plate.

[0056] Or in other embodiments, the coil fixing seat can either move up and down or horizontally, and the positioning seat of the arc extinguishing chamber can also move horizontally. At this time, on the basis of the original embodiment 1, it is necessary to additionally set the slide rail, and guide the sli...

Embodiment 3

[0058] The difference between this embodiment and the above-mentioned embodiment 1 is that the positioning seat of the arc extinguishing chamber is an integrated structure, and the upper connecting seat and the lower supporting seat are integrally formed. connect.

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Abstract

The invention relates to a vacuum degree measuring device for a vacuum arc-extinguishing chamber. The device is used for measuring the vacuum degree of the vacuum arc-extinguishing chamber with a certain distance between a movable contact and a static contact, and comprises a rack, a movable end electrode and a static end electrode. The rack is equipped with an arc-extinguishing chamber positioning base and a coil fixing base; an electromagnetic coil is fixed on the coil fixing base, and the arc-extinguishing chamber positioning base and / or the coil fixing base are / is assembled on the rack in a translation manner, so that the electromagnetic coil corresponds to the vacuum arc-extinguishing chamber up and down during measurement; and the coil fixing base is assembled on the rack in an up-down movement manner, so that the electromagnetic coil can be sleeved outside the vacuum arc-extinguishing chamber from top to bottom. According to the technical scheme, the vacuum arc-extinguishing chamber which is large in size and mass can be detected, and the technical problem that in the prior art, operation is inconvenient when a manipulator is adopted to overturn the vacuum arc-extinguishing chamber to be measured to fix the vacuum arc-extinguishing chamber on a corresponding vacuum degree measuring device is solved.

Description

technical field [0001] The invention relates to a vacuum degree measuring device for a vacuum interrupter. Background technique [0002] The vacuum interrupter is the core component of the vacuum circuit breaker, which uses vacuum as the insulation and arc extinguishing medium. In order to achieve current breaking and arc extinguishing, the pressure in the vacuum interrupter is generally not higher than 0.01Pa. Therefore, the vacuum degree is one of the main factors that determine the breaking performance of the vacuum interrupter. The reduction of the vacuum degree will directly affect the vacuum circuit breaker. If the breaking capacity of the interrupter is severe, it will cause its breaking to fail completely. In the field of practical application, it is urgent to measure and record the vacuum degree of the vacuum interrupter. [0003] In the prior art, the principle of magnetron discharge is usually used to measure the vacuum degree of the vacuum interrupter, that is, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H33/668
CPCH01H33/668
Inventor 薛从军李小钊刘世柏赵芳帅王小焕齐大翠亓春伟李锟张杨白丽娜王茜王宇浩唐朝端苏文豪
Owner TIANJIN PINGGAO INTELLIGENT ELECTRIC
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