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Safe type circuit breaker

A circuit breaker and safety technology, which is applied in the field of safety circuit breakers, can solve problems such as the uncertainty of whether the isolating switch is in place, the lack of inspection of whether the isolating switch is in place, and the risk of closing the circuit breaker.

Active Publication Date: 2018-01-05
河南众联云科工程技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing power transmission process, there is no necessary inspection on whether the closing switch of the isolating switch is in place, and whether the closing switch of the isolating switch is in place cannot be determined, making it risky to close the circuit breaker

Method used

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  • Safe type circuit breaker

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Embodiment Construction

[0014] The technical solutions of the present invention will be described in further detail below through specific implementation methods.

[0015] Such as figure 1 As shown, a safety circuit breaker includes a circuit breaker 3 and an isolating switch 1 and an isolating switch 2 respectively installed on both sides of the circuit breaker 3, and the isolating switch 1 and the isolating switch 2 are respectively installed on the The two sides of the circuit breaker 3 form a safety protection switch to determine the safety of the transmission line when opening and closing, and ensure that the closing operation of the power supply meets the closing standard.

[0016] The isolating switch 1 includes a base 11, a moving contact 12 mounted on the base 11, a static contact 13 and a knife switch 14, one end of the knife switch 14 is hinged to the moving contact 12, the The other end of the knife switch 14 is provided with an insulating operating ring 15 and a conductive sheet 16 fixe...

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Abstract

The invention provides a safe type circuit breaker. The safe type circuit breaker comprises a circuit breaker and isolation switches mounted on the two sides of the circuit breaker respectively; eachisolation switch comprises a base, and a moving contact, a static contact and a disconnecting link mounted on the base; one end of the disconnecting link is hinged with the moving contact while an insulation operation ring and a conductive sheet fixed outside the insulation operation ring are arranged at the other end of the disconnecting link; the base is provided with a positioning base outsidethe static contact; the positioning base is provided with a buckle used for clamping the insulation operation ring and a group of conductive plugs arranged at intervals; the circuit breaker comprisesa tripping mechanism and a controller used for driving the tripping mechanism; and the controller, the two groups of conductive plugs and the tripping mechanism form a circuit breaker open-close loop.The safe type circuit breaker has the advantages of scientific design, high practicability, reasonable structure, high safety and convenience in operation.

Description

technical field [0001] The invention relates to a circuit breaker, in particular to a safety circuit breaker. Background technique [0002] As an important part of the transmission line, the circuit breaker is mostly used in conjunction with the disconnector to switch the transmission line. In order to ensure the safety of use, the circuit breaker and the isolating switch have strict on-off sequence requirements during the power on and off process. For example, when power is transmitted, the isolating switch must be closed first, and then the circuit breaker must be closed to ensure safe construction. However, in the existing power transmission process, there is a lack of necessary inspection of whether the isolating switch is in place, and whether the isolating switch is in place cannot be determined, so that closing the circuit breaker is risky. How to ensure that before the circuit breaker is closed, the isolating switch is closed in place is an urgent problem to be solv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H9/16H01H9/26H01H9/54
Inventor 李和超
Owner 河南众联云科工程技术有限公司
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