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Electric operating mechanism

A technology of electric operating mechanism and operating shaft, applied in the direction of protection switch operating/release mechanism, circuit, electrical components, etc., can solve the problems of large space occupation, complex structure design, short service life, etc., to increase the contact area, improve Intelligent management, the effect of improving work reliability

Pending Publication Date: 2020-11-06
乐清市建波电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing motors, gear sets and sliders used for the electric operating mechanism on the molded case circuit breaker are usually structured up and down. The electric operating mechanism designed with this structure has a complex structure and takes up a large space
In order to facilitate the user to directly observe the working state of the circuit breaker, the existing electric operating mechanism is equipped with an opening and closing indicating assembly. reliable defect
Moreover, the electric operating mechanism has the defects of complex structure, inconvenient assembly, unreliable performance, large volume and short service life

Method used

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Embodiment Construction

[0020] Such as Figure 1-7 As shown, the embodiment of the present invention is an electric operating mechanism, including a housing 10, a mechanism frame 11 arranged in the casing 10, an intelligent control circuit board 12 arranged on the mechanism frame 11, and a The electric drive assembly 20, the slider assembly 30 that is slidably arranged on the mechanism frame 11 and can drive the handle of the molded case circuit breaker to perform opening and closing, and the manual drive assembly 40 arranged on the mechanism frame 11, the electric drive assembly 20 It includes a motor 21 arranged on the mechanism frame 11, a cam 22 set in linkage with the motor 21, and the cam 22 is set in linkage with the output shaft 211 of the motor 21, and the slider assembly 30 includes a slider assembly 30 which is slidably arranged on the mechanism frame 11 and is connected with the The slider 31 that is coordinated with the cam 22, and the sleeve 32 that is set on the handle of the molded ca...

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Abstract

The invention relates to an electric operating mechanism. The electric operating mechanism comprises a shell, a mechanism frame, an intelligent control circuit board, an electric driving assembly, a sliding block assembly and a manual driving assembly. The electric drive assembly comprises a motor arranged on the mechanism frame and a cam in linkage with the motor. The sliding block assembly comprises a sliding block which is arranged on the mechanism frame in a sliding mode and is in linkage fit with the cam, and a sleeve piece which is arranged on the molded case circuit breaker handle in asleeving mode and is in linkage fit with the sliding block. A poking wheel matched with the sliding block in a linkage mode is arranged on the cam in a rotating mode, two protruding blocks matched with the poking wheel are arranged on the sliding block, the poking wheel acts along with the cam and can push the two protruding blocks, and the sliding block can slide on the mechanism frame in a reciprocating mode. The electric operating mechanism has the advantages of simple structure, stable and reliable performance, safety, reliability, small volume and convenience in assembly.

Description

technical field [0001] The invention relates to the technical field of circuit breakers, in particular to an electric operating mechanism. Background technique [0002] A circuit breaker is a power distribution device used in the power grid, which can connect, carry and break the current under normal circuit conditions, and can also be used under specified abnormal conditions (such as overload, short circuit, undervoltage and single-phase ground fault) When) switching on, carrying a certain time and breaking current switching equipment. The electric operating mechanism is a special accessory for molded case circuit breakers. After matching with the circuit breaker, it can electrically close, open and re-close the circuit breaker remotely to realize the centralized and automatic control of the transmission and distribution network. With the development of the electric power industry, the operating mechanism of molded case circuit breakers has gradually become the mainstream ...

Claims

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Application Information

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IPC IPC(8): H01H71/43H01H71/70H01H71/02H01H71/04
CPCH01H71/0207H01H71/04H01H71/43H01H71/70
Inventor 冯振浩冯建成黄振宙黄振宇张建章
Owner 乐清市建波电气有限公司
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