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High-voltage switch and double-acting transmission system thereof

A technology of transmission system and transmission structure, which is applied in high-voltage/high-current switches, electric switches, high-voltage air circuit breakers, etc., which can solve the problems of unfavorable production and promotion of high-voltage switches and increased equipment costs, and achieve short opening and closing time, The effect of low manufacturing cost and quicker opening and closing action

Inactive Publication Date: 2018-01-09
XUJI GRP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the gradual increase of the breaking voltage of the high-voltage switch, the requirements for the breaking time, speed and insulation characteristics of the high-voltage switch gradually increase, and the shorter the breaking speed time and the faster the breaking speed of the high-voltage switch mean that the operation The greater the operating work required by the mechanism, if the greater operating work is provided by increasing the power of the operating mechanism, the cost of equipment will increase, which is not conducive to the production and promotion of high-voltage switches

Method used

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  • High-voltage switch and double-acting transmission system thereof

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Embodiment Construction

[0032] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0033] A specific embodiment 1 of a high-voltage switch of the present invention includes a fixing frame 15, on which a first contact seat 11 and a second contact seat 12 are arranged, and the two contact seats are oppositely arranged and the opposite ends are provided with Shield. The first contact 11 and the second contact 12 are guided and installed with the first contact 10 and the second contact 13, and the first contact 10 and the second contact 13 are connected with the operating mechanism through a double-action transmission system Then it is driven by the operating mechanism to complete the opening and closing action.

[0034] The specific structure of the double-acting transmission system is as follows: figure 1 As shown, it includes a first pull rod 7 and a second pull rod 3. The second pull rod 3 is a power input rod for transmission connec...

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Abstract

The invention relates to a high-voltage switch and a double-acting transmission system thereof. The high-voltage switch includes a double-acting transmission system. The double-acting transmission system includes a first pull rod and a second pull rod. The second pull rod is a power input rod in transmission connection with an operating mechanism. The opposite ends of the first pull rod and the second pull rod are respectively connected with a first contact and a second contact. The first pull rod and the second pull rod are in transmission connection through a transmission structure. The transmission structure includes a fixed frame, a crank arm of which the middle is hinged to the fixed frame, a first connecting rod of which the two ends are respectively hinged to the inner end of the crank arm and the first pull rod, and a second connecting rod of which the two ends are respectively hinged to the outer end of the crank arm and the second pull rod. When the second pull rod of the double-acting transmission system moves in a direction under a push / pull force, the second pull rod is driven by the transmission structure to move in an opposite direction. The first pull rod and the second pull rod respectively drive the contacts connected therewith to move in opposite directions for opening or closing. Through simultaneous movement of the two contacts, the opening / closing speed ofthe high-voltage switch is greatly increased.

Description

technical field [0001] The invention relates to the field of high-voltage switches, in particular to a high-voltage switch and a double-action transmission system thereof. Background technique [0002] In the high-voltage switch, the breaking time, speed and insulation characteristics between the dynamic and static contacts are important factors affecting the quality of the high-voltage switch. In conventional high-voltage switchgear, the dynamic and static contacts generally adopt a single-acting form , that is, one of the contacts does not move, and the other moves to achieve contact and movement between the two contacts. However, with the gradual increase of the breaking voltage of the high-voltage switch, the requirements for the breaking time, speed and insulation characteristics of the high-voltage switch are gradually increasing, and the shorter the breaking speed time and the faster the breaking speed of the high-voltage switch mean that the operation The greater th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H31/08H01H33/42H01H33/50
Inventor 何彭何荣涛遵明伟宋海明袁传镇吕东旭李宪普李明道董冏
Owner XUJI GRP
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