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Plug interlocking device of circuit breaker

A technology of interlocking device and circuit breaker, which is applied in the direction of circuits, electrical components, electric switches, etc., can solve problems such as circuit breaker operation and accidents, and achieve the effect of simple composition

Pending Publication Date: 2022-07-08
LS电气株式会社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] However, if the circuit breaker main body 1 is moved to the test position/operating position or the control power plug 6 is separated during the movement without the control

Method used

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  • Plug interlocking device of circuit breaker
  • Plug interlocking device of circuit breaker
  • Plug interlocking device of circuit breaker

Examples

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Example Embodiment

[0036] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0037] The present invention is not limited to the embodiments disclosed below, and may be embodied in various shapes that are different from each other. The embodiments are provided only to fully disclose the present invention and to fully disclose the scope of the present invention to those of ordinary skill in the art. Therefore, the present invention is not limited to the embodiments disclosed below, but it should be understood that the configuration of any one embodiment can be replaced or added to the configuration of other embodiments, and includes all changes in the technical idea and scope of the present invention, equivalents and even substitutes.

[0038] It should be understood that the attached drawings are only for easy understanding of the embodiments disclosed in this specification, and should not limit the technical idea...

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Abstract

The present invention provides a plug interlocking device for a circuit breaker, the plug interlocking device comprising: a rod-type lead-in and lead-out interlocking assembly (130) which is arranged on a moving trolley (120) and can restrain lead-in and lead-out of a circuit breaker main body (110); a plug connection assembly (140) that rises and falls as the control line plug (210) is inserted into or separated from a connector (112) provided at the upper part of the circuit breaker main body (110); a shaft (150), one side of which is connected to the lower end of the plug connection assembly (140), and which rotates in different directions as the plug connection assembly (140) rises and falls; and the baffle plate (160) is connected with the other side of the shaft (150), horizontally moves along with the rotation of the shaft (150), and restrains or releases the action of the rod type lead-in and lead-out interlocking assembly (130).

Description

technical field [0001] The present invention relates to a plug interlocking device of a circuit breaker, and more particularly, to a circuit breaker in which the circuit breaker is drawn in and drawn out only in a state where a control wire plug is inserted, and the control wire plug is not separated during the introduction and drawing out. plug interlock. Background technique [0002] The circuit breaker is a product that disconnects the internal circuit of the circuit breaker through external additional relays to protect life and load equipment when abnormal currents such as overcurrent, short circuit and grounding accidents occur in UHV / HV distribution lines. [0003] Such a circuit breaker is installed in a switchboard that accommodates and manages various electrical equipment for the operation or control of a power station, a substation, and the like, and the operation of a motor, and the like. In this case, the circuit breaker is usually installed with its main body b...

Claims

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Application Information

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IPC IPC(8): H01H71/10
CPCH01H71/10H01H33/6606H02B11/133H01H33/666H02B11/167
Inventor 李文燮
Owner LS电气株式会社
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