Collection system, judgment system, collection method and judgment method for vibration state of breaker housing

A state acquisition and state judgment technology, applied in the measurement of vibration, vibration measurement in solids, instruments, etc., can solve the problems of unfriendly human-computer interaction, large system size, inflexible use, etc. Service life, easy to judge the effect

Inactive Publication Date: 2016-03-23
JIANGSU SENYUAN ELECTRICAL +1
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Problems solved by technology

Moreover, the existing vibration signal circuit breaker diagnostic system has problems such as comp

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  • Collection system, judgment system, collection method and judgment method for vibration state of breaker housing
  • Collection system, judgment system, collection method and judgment method for vibration state of breaker housing
  • Collection system, judgment system, collection method and judgment method for vibration state of breaker housing

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] A circuit breaker (English name: circuit-breaker, circuitbreaker) refers to a switch that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time device. The circuit breaker is mainly composed of three basic parts, namely contacts, arc extinguishing system and various releases, including overcurrent release, loss of voltage (undervoltage) release, thermal release, shunt release device and free release. The circuit breaker switch is closed manually or electrically by the operating mechanism. After the contacts are closed, the free tripping mechanism locks the contacts in the closed position. When the above-mentioned fault occurs in the circuit, the free tripping mechanism will be activated through the respective release, and the t...

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Abstract

The invention discloses a collection system, judgment system, collection method and judgment method for a vibration state of a breaker housing. The collection system and the judgment system mainly comprise an acceleration sensor, a signal conditioning module, a trigger circuit, an SPI, a DSP system and an ARM system, wherein the acceleration sensor is connected to the signal conditioning module; an output end of the signal conditioning module is connected to the DSP system; the DSP system is connected to the ARM system by the SPI; and an output contact point of the trigger circuit is connected to the DSP system. The systems also comprise a touch display screen, wherein the touch display screen is connected to the ARM system. The system monitors vibration of the breaker housing so as to carry out state diagnosis of a breaker. The set of systems is based on an embedded system, requires small space, realizes friendly human-computer interactions, helps maintenance staffs determine a working state of the breaker easily and can prolong service life of the breaker.

Description

technical field [0001] The invention relates to the field of vibration monitoring of a circuit breaker casing, in particular to a vibration state collection system, a judgment system, a collection method and a judgment method of a circuit breaker casing. Background technique [0002] In the power system, according to the operation and scheduling requirements of the power grid, circuit breakers are used to reliably switch on or off lines and electrical equipment. The circuit breaker opens and closes the circuit by opening and closing the contacts. Since the closing action of the circuit breaker is linked by various internal mechanisms, strong vibration and impact are generated at the same time. If the internal structure of the circuit breaker changes or some mechanism fails, the vibration of the casing will change. Chassis vibration can be used to diagnose the condition of the circuit breaker. Moreover, the existing vibration signal circuit breaker diagnosis system has prob...

Claims

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Application Information

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IPC IPC(8): G01H1/12G01M13/00
CPCG01H1/12G01M13/00
Inventor 陈建强王宝华陈斌李明忠何韬
Owner JIANGSU SENYUAN ELECTRICAL
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