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Low voltage circuit breaker

A low-voltage circuit breaker, circuit breaker technology, applied in the direction of circuit, protection switch operation/release mechanism, emergency protection device, etc., can solve the problems of casualties, equipment damage, etc., and achieve the effect of improving safety and improving operation safety

Active Publication Date: 2021-08-24
LIAONING ELECTRIC POWER DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Reverse power transmission may cause casualties and equipment damage accidents

Method used

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  • Low voltage circuit breaker
  • Low voltage circuit breaker
  • Low voltage circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0062] As shown in the figure, the low-voltage circuit breaker of the present invention includes a circuit breaker body. A circuit breaker wrench is arranged on the circuit breaker body. Set up the opening operation interlocking mechanism;

[0063] The opening operation interlock mechanism includes a circuit breaker interlock installation plate 10, which is connected to the front end of the circuit breaker body, and the circuit breaker interlock installation plate 10 is provided with a linkage with the circuit breaker wrench. A circuit breaker chain baffle 11 is arranged on the outside of the linkage part, the circuit breaker chain baffle 11 is axially connected to the upper end of the chain connection plate 12, the lower end shaft 19 of the chain connection plate 12 is connected to the front part of the side of the operation handle baffle 13, and the operation handle block The rear shaft 20 on this side of the plate 13 is connected to the front end of the connecting plate 22,...

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PUM

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Abstract

A low-voltage circuit breaker belongs to the technical field of circuit breakers, and in particular relates to a low-voltage circuit breaker. The invention provides a low-voltage circuit breaker with high safety. The present invention includes a circuit breaker body, on which a circuit breaker wrench 50 is arranged, the upper end of the circuit breaker body is the circuit breaker inlet end, and the lower end of the circuit breaker body is the circuit breaker outlet end 54, and its structural points are provided with a breaker on the circuit breaker body Operation interlocking mechanism; the opening operation interlocking mechanism includes a circuit breaker interlocking installation plate 10, the circuit breaker interlocking installation plate 10 is connected to the front end of the circuit breaker body, and the circuit breaker interlocking installation plate 10 is provided with linkage components with a circuit breaker wrench, A circuit breaker interlocking baffle 11 is arranged outside the linkage component.

Description

technical field [0001] The invention belongs to the technical field of circuit breakers, in particular to a low-voltage circuit breaker. Background technique [0002] During the working process of electrical equipment, there is residual charge on the electrical equipment after the power is disconnected, which endangers the safety of maintenance electricians. When a fault occurs inside the circuit breaker, the switch is not completely opened, and the electrical equipment is still charged after the switch-off operation, which endangers the safety of the maintenance electrician. When the safety measures in the workplace are not thorough or damaged, the phenomenon of reverse power transmission will occur through the abnormal path of the power supply. The forms of reverse power transmission are diverse, for example, secondary to primary reverse transmission through PT or station (factory) transformers, reverse transmission through double-circuit lines and loops with their own po...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H71/08H01H71/10
CPCH01H71/082H01H71/1009
Inventor 郑永健黄川薛思萌杨徐东闫春生白挺玮刘剑綦伟曾光王阳王大众薛激光王畅王达王浩然王进林岩满林坤张春晓李秋男曹兵于重
Owner LIAONING ELECTRIC POWER DEV
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