Working state indicator of circuit breaker

Abstract

The present invention relates to a circuit breaker working state indicator, belonging to the field of electronic technique and electrotechnics. The circuit breaker working state indicator comprises a single-pole circuit breaker and three groups of indicating circuits, which is characterized by having same composite structure. To make up and overcome defect in working state indication of the traditional single-pole circuit breaker or multi-pole circuit breaker, a micro-power consumption electronic indication circuit is additionally arranged in the single-pole circuit breaker or the multi-pole circuit breaker; the working state of the single-pole circuit breaker can be quickly judged and the fault property of the commercial power supply line can be determined according to different combinations of the luminous conditions of three light emitting diodes (LEDs) in the indication circuit, such that the electricity user can clearly see the working state of the circuit breaker that the circuit breaker is connected or disconnected, whether the output terminal is charged, and the like no matter at daytime or nighttime, providing reference to fault clearing by the user and avoiding electric shock resulting from blind operation.

Description

technical field [0001] The invention belongs to the field of electronic technology and electrical technology, and relates to a working state indicator of a circuit breaker. Background technique [0002] Single-pole circuit breakers or multi-pole circuit breakers (commonly known as: air switch) have many advantages and have been widely used at present. It basically replaces the old-fashioned electric wood switch with fuse that has been used for a long time. But in the cold face of the circuit breaker in the mains line, its working status is not intuitive enough. For example, when the power circuit breaker trips at night or encounters a power outage, the power user cannot make a correct judgment for a while, especially for the power equipment. After a short-circuit fault occurs, power users are accustomed to closing the switch blindly under unknown circumstances, which is easy to cause accidents such as expansion of the fault range due to habit or wrong judgment. [0003] In ...

AI Technical Summary

Problems solved by technology

But in the cold face of the circuit breaker in the mains line, its working status is not intuitive enough. For example, when the power circuit breaker trips at night or encounters a power outage, the power user cannot make a correct judgment for a while, especially for the power equipment. After a short-circuit fault occurs, power users are accustomed to blindly closing the switch under unknown circumstances, which is likely to cause accidents such as expansion of the fault range due to habit or wrong judgment

[0003] In order to make up for and overcome the lack of no indication of the working state of the existing circuit breaker, it is necessary to develop an auxiliary device that can indicate the working state of the circuit breaker. On or off, whether there is power at the output terminal of the circuit breaker, etc., provide a basis or reference for power users to judge the nature of line faults more accurately, and avoid electric shock accidents caused by blind operations

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