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Switching-off device, circuit breaker and switching-off method

A technology of gate device and circuit breaker, applied in the direction of protection switch operation/release mechanism, etc., can solve the problem of long opening time of circuit breaker, and achieve the effect of shortening the opening time

Pending Publication Date: 2020-08-28
XINMEIDI (CHENGDU) TECH CO LTD
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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 provide an opening device, a circuit breaker and an opening method for the above-mentioned defects of the prior art, aiming at solving the problem of long opening time of the circuit breaker in the prior art

Method used

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  • Switching-off device, circuit breaker and switching-off method
  • Switching-off device, circuit breaker and switching-off method
  • Switching-off device, circuit breaker and switching-off method

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Embodiment Construction

[0045] In order to make the object, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0046] In one embodiment of the present invention, a tripping device is provided, and the tripping device is applied in a circuit breaker, such as figure 1 As shown, the opening device includes an opening mechanism 100 and a rotating member 200, the opening mechanism 100 is used to perform the opening action, and the rotating member 200 is arranged on one side of the opening mechanism, It is used to drive the opening action mechanism 100 to perform the opening action. Specifically, the opening action mechanism is provided with a first protrusion 11a and a second protrusion 11b, and the rota...

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PUM

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Abstract

The invention discloses a switching-off device, a circuit breaker and a switching-off method. The switching-off device comprises a switching-off action mechanism which is used for executing a switching-off action, and the switching-off action mechanism is provided with a first projection and a second projection; the rotating part is provided with a first collision part and a second collision part,and the rotating part is used for driving the switching-off action mechanism to execute a switching-off action; the first collision part is used for colliding with the first protrusion, and the second collision part is used for colliding with the second protrusion after the first collision part collides with the first protrusion. According to the switching-off device provided by the invention, the switching-off action mechanism is collided twice through the rotating part, so that the switching-off action mechanism acts in an accelerated manner, and the switching-off time is shortened.

Description

technical field [0001] The invention relates to the technical field of circuit breakers, in particular to a switching device, a circuit breaker and a switching method. Background technique [0002] The circuit breaker is a common circuit protection device. Generally speaking, the circuit breaker has two states of opening and closing. When the circuit breaker is in the closed state, the circuit operates normally. In the case of maintenance, etc., the circuit breaker needs to perform an opening action to cut off the circuit. In the prior art, the opening time of the circuit breaker is long, and the arc stays between the contacts for a long time, which affects the service life of the circuit breaker. [0003] Therefore, the prior art still needs to be improved and improved. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide an opening device, a circuit breaker and an opening method aiming at solving the problem of lo...

Claims

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Application Information

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IPC IPC(8): H01H71/24
CPCH01H71/24
Inventor 马芸
Owner XINMEIDI (CHENGDU) TECH CO LTD
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