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Circuit breaker

A circuit breaker and casing technology, which is applied in the field of circuit breaker installation, can solve problems affecting normal operation and achieve the effect of improving aesthetics

Active Publication Date: 2019-05-28
深圳市瑞智电力股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a circuit breaker, which solves the problem that a sudden power failure will affect normal operation

Method used

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Embodiment Construction

[0029] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0030] refer to figure 1 , is a circuit breaker disclosed in the present invention, a first circuit breaker 1 and a second circuit breaker 2 arranged up and down. In this embodiment, the first circuit breaker 1 and the second circuit breaker 2 are connected in parallel.

[0031] refer to figure 1 , the outer sides of the first circuit breaker 1 and the second circuit breaker 2 are sheathed with casings 3 . In this embodiment, the casing 3 surrounds the first circuit breaker 1 and the second circuit breaker 2, and plays a protective role for the first circuit breaker 1 and the second circuit breaker 2, and helps to increase the length of the first circuit breaker 1 and the second circuit breaker 2. The service life of the second circuit breaker 2.

[0032] refer to figure 1 and figure 2 , A transmission mechanism 4 is provided between the first circuit ...

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Abstract

The invention relates to a circuit breaker. The circuit breaker comprises a first circuit breaker and a second circuit breaker which are arranged up and down, wherein the first circuit breaker and thesecond circuit breaker are connected in parallel; the outer sides of the first circuit breaker and the second circuit breaker are sleeved with a shell; a transmission mechanism is arranged between the first circuit breaker and the second circuit breaker; a first switch of the first circuit breaker is connected with the transmission mechanism; the transmission mechanism comprises a movable plate,and a first rack and a second rack which are slidably connected to the side wall of the shell; the top ends of the first rack and the second rack are connected with the bottom of the movable plate; afirst gear matched with the first rack is arranged on the shell; a second gear matched with the second rack is arranged on the shell; the first gear and the second gear are connected through a transmission rack; and the bottom end of the transmission rack is connected with a second switch of the second circuit breaker through rubber strips. The second circuit breaker is used for replacing the first circuit breaker to continue to work, and normal operation is not affected.

Description

technical field [0001] The invention relates to the technical field of circuit breaker installation, in particular to a circuit breaker. Background technique [0002] A circuit breaker refers to a switching device that can close, carry and break current under normal circuit conditions, and achieve the closing effect, and carry and break current under abnormal circuit conditions within a specified time. Circuit breakers can be used to distribute electric energy, start asynchronous motors infrequently, protect power lines and motors, and automatically cut off the circuit when they are severely overloaded, short-circuited, or under-voltage. Its function is equivalent to a fuse-type switch. Combination with overheating and underheating relays, etc. [0003] The above existing technical solutions have the following defects: the circuit breaker may fail during long-term use, and when the circuit breaker automatically cuts off the circuit, normal operation is affected. Contents ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/10H01H71/04H01H71/02H01H9/52
Inventor 何冬冬
Owner 深圳市瑞智电力股份有限公司
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