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High-voltage disconnecting switch

A technology of high-voltage isolating switch and moving end, which is applied in the direction of electric switch, high-voltage air circuit breaker, air switch parts, etc. It can solve the problems of increased contact resistance, heating of conductive circuit contacts, and insufficient pressure of high-voltage isolating switch contacts. Achieve the effect of improving thermal stability and avoiding the increase of contact resistance

Active Publication Date: 2018-06-15
BEIJING SOJO ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the unreasonable high-voltage isolating switch leads to insufficient contact pressure of the high-voltage isolating switch, especially the unreasonable structure of the related parts of the contact leads to insufficient contact pressure of the high-voltage isolating switch, which leads to an increase in contact resistance, resulting in the contact resistance of the conductive circuit. Heat generation, if the temperature rise exceeds the allowable value, the switch will be welded or burned, which will cause the thermal stability of the high-voltage isolation switch to fail

Method used

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Embodiment Construction

[0027] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0028] Aiming at the problems existing in the prior art, the embodiment of the present invention provides a high-voltage isolating switch, such as figure 1 As shown, the high-voltage isolating switch includes a static end part, a moving end part, and a support base 3 .

[0029] Such as figure 2 , 3 As shown, the moving end part includes a moving end contact unit and a limiting unit; the limiting unit is arranged on the support base 3; the moving end contact unit includes a moving end contact piece 6, a plurality of pairs of moving end...

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PUM

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Abstract

The invention discloses a high-voltage disconnecting switch. A moving-end contact piece, a plurality of pairs of moving-end isolated conductive pieces, and a plurality of isolated conductive springs corresponding to the plurality of pairs of moving-end isolated conductive pieces are arranged; and rotation directions of the isolated conductive springs are opposite to each other. The conductivity and mechanical performance of the contact of the disconnecting switch are considered simultaneously and the contact pressure is compensated by using self-generation power caused by the conductivity of the isolated conductive springs fully, so that a problem of insufficient contact pressure of the high-voltage disconnecting switch is solved; and thus a phenomenon of switch fusion welding or burning caused by heating of the conductive loop contact due to the increasing of the contact resistance is avoided, so that the thermal stability of the high-voltage disconnecting switch is improved.

Description

technical field [0001] The invention relates to the technical field of high voltage switches, in particular to a high voltage isolating switch. Background technique [0002] High-voltage isolating switch is an indispensable and commonly used electrical equipment in the power system. It can play the role of isolating power supply and switching operation, and plays a very important role in the safe and reliable operation of the power system. As a basic component of high-voltage switchgear, high-voltage disconnectors should have good physical properties, mechanical properties and electrical contact properties. [0003] In the prior art, the unreasonable high-voltage isolating switch leads to insufficient contact pressure of the high-voltage isolating switch, especially the unreasonable structure of the related parts of the contact leads to insufficient contact pressure of the high-voltage isolating switch, which leads to an increase in contact resistance, resulting in the conta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H31/02
CPCH01H31/023H01H31/026
Inventor 孔国威任文斌王艳涛邹博昱姜树涛
Owner BEIJING SOJO ELECTRIC
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