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Rapid mechanical switch closing anti-bounce mechanism

A mechanical switch and anti-bounce technology, which is applied in the direction of protection switch operation/release mechanism, electric switch, contact, etc., can solve problems such as bounce, and achieve the effect of preventing bounce and not affecting the opening speed

Active Publication Date: 2018-08-21
CHANGZHOU BORI ELECTRIC POWER AUTOMATION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a fast mechanical switch closing anti-bounce mechanism to solve the technical problem of the switch bouncing when the switch is closed

Method used

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Embodiment Construction

[0016] In order to make the content of the present invention more clearly understood, the present invention will be further described in detail below based on specific embodiments and in conjunction with the accompanying drawings.

[0017] Such as figure 1 As shown, a fast mechanical switch closing anti-bounce mechanism includes a static contact 1 and a moving contact 2, and also includes a piston rod 3, a piston cylinder 4, a damper 6, a spring 7, an opening drive mechanism 9, and a moving disc 11 and a moving contact self-recovery mechanism 13, the piston rod 3 is located in the piston cylinder 4, and the upper end of the piston rod 3 is fixedly connected with the moving contact 2, the piston rod 3 has an inner cavity, and the damper 6 And the spring 7 is arranged in the inner cavity, and the spring 7 is screwed on the outside of the damper 6, and the top end of the spring 7 abuts against the top wall of the inner cavity, and the opening drive mechanism 9 and the moving disc...

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Abstract

The invention discloses a fast mechanical switch closing anti-bounce mechanism, which includes a static contact and a moving contact, and also includes a piston rod, a piston cylinder, a damper, a spring, an opening drive mechanism, a moving plate and a self-recovering moving contact Mechanism, the piston rod is located in the piston cylinder, the piston rod has an inner cavity, the damper and the spring are arranged in the inner cavity, the top end of the spring abuts against the top wall of the inner cavity, the opening drive mechanism and the moving disc are connected with the piston The cylinder is fixedly connected, and there is an overshoot gap S between the piston rod and the moving disc, an overshoot gap L is left between the opening drive mechanism and the moving disc, the lower end of the spring is in contact with the moving disc, and the moving contact The self-recovery mechanism is arranged at the lower part of the moving contact. The invention utilizes the overshooting distance between the moving disc and the opening drive mechanism, and between the piston rod and the moving disc. During the process of compressing the overshooting distance of the moving disc, the spring and the damper can effectively offset the kinetic energy of the moving disc. Effectively prevent the moving contact from bouncing when closing.

Description

technical field [0001] The invention relates to a fast mechanical switch closing anti-bounce mechanism, which belongs to the technical field of circuit breakers. Background technique [0002] In recent years, in order to solve the short-circuit current fault of the DC power grid, a high-voltage DC circuit breaker is introduced to quickly remove the fault and ensure the normal operation of the converter station. As the core component of the mechanical switch, its insulation performance plays a key role in the use of the high-voltage DC circuit breaker. . [0003] When the fast mechanical switch is closed, the dynamic and static contacts bounce and bounce, and the arc that occurs damages the surface of the dynamic and static contacts, reduces the insulation performance of the fast mechanical switch fracture, shortens the service life of the mechanical switch, and affects the reliability of the high-voltage DC circuit breaker. The fast mechanical switch closing anti-bounce mec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/66H01H71/12H01H1/50H01H3/60
CPCH01H1/50H01H3/60H01H71/12H01H71/66
Inventor 张广泰王智勇姚宁刘彬吴继平王强
Owner CHANGZHOU BORI ELECTRIC POWER AUTOMATION EQUIP
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