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Circuit breaker and gas insulated switchgear using the circuit breaker

A circuit breaker and insulating frame technology, which is applied in the field of power distribution, can solve problems such as cumbersome assembly procedures, and achieve the effects of convenient processing and production, uniform potential, and reduced overall size

Active Publication Date: 2021-08-06
HENAN PINGGAO GENERAL ELECTRIC CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a circuit breaker to solve the technical problem in the prior art that an interphase insulating plate is arranged between two adjacent arc extinguishing chambers, resulting in cumbersome assembly procedures; at the same time, the present invention also provides a circuit breaker using a circuit breaker Gas Insulated Switchgear

Method used

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  • Circuit breaker and gas insulated switchgear using the circuit breaker
  • Circuit breaker and gas insulated switchgear using the circuit breaker
  • Circuit breaker and gas insulated switchgear using the circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0093] like Figure 7 As shown, the circuit breaker 100 in this embodiment can be Figure 7 As shown, in the gas box 400 installed in the gas insulated switchgear, such as a ring cabinet, the circuit breaker 100 is driven by the actuation mechanism 101 mounted outside the air box 400, and realizes the separation brake operation, and each of the circuit breakers. When the outer line of the arc chamber is electrically connected to the corresponding input line sleeve 300, when the wiring sleeve 300 is electrically connected to the external cable, the wiring sleeve 300 is connected to the external cable, and the ring cabinet is connected to the grid. Normal work of the NIC.

[0094] In this embodiment, in order to conform to the environmental protection, the gas box 400 is charged into the environmentally friendly gas, and the dry air or nitrogen can be filled to meet the environmental requirements.

[0095] Because the environmentally friendly gas is slightly poor than the sulfur insul...

Embodiment 2

[0131] It is mainly in the first embodiment in the first embodiment, and the shield is formed in each of the top ends of each extinguishing chamber, and the action of shielding agencies, in the present embodiment, can also save shielding The cover, at this time, it is necessary to increase the size of the inner protruding portion of the phase insulating umbrella dress to meet the corresponding insulating interval requirements.

[0132] Of course, at this time, it is also possible to refer to the prior art, and the phase insulation structure is arranged on the insulating spindle, further enhance the phase insulation performance.

Embodiment 3

[0134] It is mainly in the first embodiment, in Example 1, each phase insulating umbrella skirt is an annular seal umbrella skirt, in the present embodiment, each phase insulating umbrella only has an inner protruding portion and an outer protrusion. Meet the basic insulation interval requirements.

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Abstract

The invention relates to the technical field of power distribution, in particular to a circuit breaker and a gas insulated switchgear using the circuit breaker. The circuit breaker includes an insulating frame and a three-phase interrupter, and the insulating frame includes two insulating side plates arranged on the left and right sides. , also includes lead wire row through holes, for the external lead wire row of the corresponding arc extinguishing chamber to pass through; each insulating side plate is respectively provided with interphase insulating sheds integrally between any two adjacent arc extinguishing chambers, and each interphase insulating shed shed Each has an inner protrusion and an outer protrusion. Since the insulating sheds between phases are integrally arranged on the insulating side plates, the strength of the supporting insulating side plates can be enhanced while playing the role of interphase insulation. Compared with the prior art, the step of separately assembling the interphase insulation board is saved, and the process is effectively saved.

Description

Technical field [0001] The present invention relates to the field of power distribution technology, and more particularly to a circuit breaker and a gas insulated switchgear for using the circuit breaker. Background technique [0002] Sf 6 Gas is an excellent electrical gas, and it is also a greenhouse gas. At present, some countries have begun to sf. 6 Use carbon tax, domestic and foreign sf 6 The use of gas will be increasingly restricted, so for gas insulation full enclosure ring cabinets, go to sf 6 It has important environmental protection and become a development direction. Taking into account environmental issues, there are currently more and more ring cabinets, such as dry air, nitrogen, etc.), such as authorized notice No. CN206135290U, publicized gas insulation ring network cabinet, within it The circuit breaker, the circuit breaker includes a frame and a circuit breaker switch main circuit, and the frame includes a two-circuit breaker fixing plate located at both ends ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/02H01H33/04H01H33/53H02B13/035
CPCH01H33/04H01H33/53H01H71/0207H02B13/035
Inventor 赵辉王焕许海超卓会丹沈景贵高正付张海张梦柯王强刘永豪高胜豪侯宾宾张建民
Owner HENAN PINGGAO GENERAL ELECTRIC CO LTD
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