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Three-station disconnecting switch

An isolation switch, three-station technology, applied in electrical switches, high-voltage/high-current switches, high-voltage air circuit breakers, etc., can solve the problems of excessive volume and complex isolation switch structure, and achieve the effect of reducing volume and simple structure

Active Publication Date: 2017-03-08
BEIJING SOJO ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The main purpose of the present invention is to provide a three-position isolating switch to solve the problems of complex structure and too large volume of the isolating switch in the prior art.

Method used

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  • Three-station disconnecting switch
  • Three-station disconnecting switch

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Embodiment Construction

[0040] It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other if there is no conflict. The present invention will be described in detail below with reference to the drawings and the embodiments.

[0041] Such as figure 1 As shown, the isolating switch of this embodiment includes an outlet barrel 1, a first insulating barrel 2, a second insulating barrel 3, and a grounding insulating barrel 4. The outlet barrel 1 has a first cavity, the first static contact seat 11 is located at the top of the first cavity, the upper end of the first insulating barrel 2 is connected to the lower end of the outlet barrel 1, and the first insulating barrel 2 has a second cavity. The second cavity is in communication with the first cavity. The second static contact base 21 is fixed in the middle of the first insulating cylinder 2 and has a first conducting hole. The outer wall of the second static contact base 21 is provided with ...

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Abstract

Disclosed in the invention is a three-station disconnecting switch comprising an outlet cylinder, a first insulating cylinder, a second insulating cylinder, and a ground insulating cylinder. When a conductive rod is located in a first cavity of the first insulating cylinder, conduction between a first static contact seat and a second static contact seat is carried out to realize closing of the switch; when the conductive rod is located in a second cavity of the second insulating cylinder, conduction between a secondstatic contact seat and a third static contact seat is carried out to realize opening of the switch; and when the conductive rod is located in a third cavity of the ground insulating cylinder, conduction between the third static contact seat and a ground contact seat is carried out to realize grounding of the switch. According to the disconnecting switch provided by the invention, only longitudinal space is occupied during the closing and grounding processes of the main loop; the structure is simple; and the size of the switch is reduced.

Description

Technical field [0001] The invention relates to the technical field of electrical switch equipment, in particular to a three-station disconnect switch. Background technique [0002] Three-position switches are often used in fully enclosed combined electrical appliances (GIS) or composite electrical appliances (PASS). They are not a separate product. They are often used in XGN ring network cabinets. The so-called three working positions refer to three working positions: [0003] 1) The closing position where the main break of the isolating switch is connected; [0004] 2) The isolation position separated from the main fracture; [0005] 3) Grounding position on the grounding side. [0006] The three-position switch actually integrates the functions of the isolating switch and the grounding switch, and is completed by a knife, so that mechanical locking can be realized to prevent the main circuit from being charged to the ground knife, because a knife can only be in one position Unlike...

Claims

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Application Information

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IPC IPC(8): H01H33/24H01H33/52H01H33/53
CPCH01H33/24H01H33/52H01H33/53
Inventor 陶广耀王文焦孙龙周彦昭唐晓鹏王伟平
Owner BEIJING SOJO ELECTRIC