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Mechanical property state monitor of circuit breaker

A technology of mechanical characteristics and circuit breakers, which is applied in the direction of circuit breaker testing, machine/structural component testing, instruments, etc., to achieve the effects of reducing maintenance risks, reliable operation, and prolonging service life

Inactive Publication Date: 2010-05-05
广州锐翔电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, our country does not have a professional monitoring instrument for fault inspection of the mechanical characteristics of circuit breakers in the power grid, so as to take preventive measures and avoid power failures.

Method used

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  • Mechanical property state monitor of circuit breaker
  • Mechanical property state monitor of circuit breaker
  • Mechanical property state monitor of circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0017] Example: see figure 1 , 2 , circuit breaker mechanical characteristics status monitor, composed of current sensor 1, voltage divider 2, data acquisition unit 3, computer 4, two current sensors 1, one of which is added to the current loop of the opening and closing coil of the circuit breaker, The other is added to the current loop of the energy storage motor of the circuit breaker, and the other side of the current sensor 1 is connected to the data acquisition unit 3 respectively;

[0018] One side of the voltage divider 2 is connected to the battery circuit, and the other side is connected to the data acquisition unit. The signal acquisition unit 3 converts the analog signal into a digital signal, and sends the digital data to the computer 4;

[0019] The computer 4 includes an integrated chassis and a display. The collection, analysis and recognition software in the computer 4 controls the data collection unit 3 to collect and store data, analyze and judge the sample...

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Abstract

The invention relates to a mechanical property state monitor of a circuit breaker, consisting of two current sensors, a voltage divider, a data acquisition unit and a computer. One current sensor is arranged on a current loop of a breaking-closing coil of the circuit breaker and the other current sensor is arranged on a current loop of an energy storage motor of the circuit breaker; one side of the voltage divider is connected with a battery loop and the other side of the voltage divider is connected with the data acquisition unit; analog signals of the current sensors and the voltage divider are changed into digital signals and digital data is transmitted to the computer by a signal acquisition unit; acquiring analysis identification software in the computer controls the data acquisition unit to acquire and stores data, analyzes and judges the sampled data to obtain a judge result, displays and manages data. The invention has the advantages of simple operation, reliable running, high intellectualization and networking.

Description

Technical field: [0001] The invention belongs to the technical field of high-voltage equipment state monitoring, in particular to a monitoring instrument which can be used for judging the opening and closing mechanical characteristics of a circuit breaker in an electric power system, and provides mechanical defect parts. Background technique: [0002] The smart grid is based on communication and information technology, which can effectively improve the transmission capacity of electric wires and the safety and stability of the power grid, enhance the operation efficiency of the power system, realize the real-time monitoring of the operation status of the power grid and equipment, and satisfy users' openness and interaction with power supply. sexual demands. [0003] Smart grid equipment condition monitoring is an indispensable part of the normal operation of smart grid. High-voltage circuit breakers are widely used in power systems, and are responsible for important dual fu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M19/00G01R31/327G01M99/00
Inventor 孙登峰徐业平孟庆岩
Owner 广州锐翔电力科技有限公司
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