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Transformer device on-line multi-parameter monitoring device based on optical fiber sensor technology

A fiber optic sensor and monitoring device technology, applied in measuring devices, instruments, alarms, etc., to achieve the effects of reducing operating costs, improving the level of online monitoring technology, good application prospects and market prospects

Inactive Publication Date: 2009-12-23
NANJING VOCATIONAL UNIV OF IND TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no transformer multi-parameter online monitoring device based on optical fiber sensor technology in the market

Method used

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  • Transformer device on-line multi-parameter monitoring device based on optical fiber sensor technology
  • Transformer device on-line multi-parameter monitoring device based on optical fiber sensor technology

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Embodiment Construction

[0014] A transformer on-line monitoring device based on fiber optic sensor technology according to the present invention, comprising a MEMS fiber optic temperature sensor module unit 1, a MEMS fiber optic vibration sensor module unit 2, a MEMS fiber optic noise sensor module unit 3, and a digital signal processing (DSP) unit 5 , sensor signal interface conversion circuit unit 4, network interface and output sound and light alarm circuit unit 6.

[0015] The output terminal TX1 / RX1 of the MEMS optical fiber temperature sensor module unit 1 is connected to the input terminal of the sensor signal interface conversion circuit unit 4 . The output terminal TX2 / RX2 of the MEMS optical fiber vibration sensor module unit 2 is connected to the input terminal of the sensor signal interface conversion circuit unit 4 . The output terminal TX3 / RX3 of the MEMS optical fiber noise sensor module unit 3 is connected to the input terminal of the sensor signal interface conversion circuit unit 4 ...

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Abstract

The invention discloses an online multi-parameter monitoring device of a fiber optic sensor technology based transformer. The output end of an MEMS fiber optic temperature sensor module unit, the output end of an MEMS fiber optic vibration sensor module unit, and the output end of an MEMS fiber optic noise sensor module unit are connected with the input end of a sensing signal interface conversing circuit unit; the output end of the sensing signal interface conversing circuit unit is connected with the input end of a digital signal processing unit; and the output end of the digital signal processing unit and a network interface are connected with the input end of an output sound and light alarm circuit unit. In the device, the fiber optic sensors conduct real-time signal collection of the parameters of the transformer in operating state, and the online monitoring of the transformer is realized through digital signal processing. The temperature, the vibration and the noise parameters of the transformer are transmitted in real time in the manner of optical communication, and the online real-time monitoring of the transformer in a power system is realized after digital signal processing. With the device, unattended transformers are realized, and the monitoring level of safe operation of the transformer is improved.

Description

technical field [0001] The present invention relates to a transformer on-line monitoring device, specifically a combination of advanced MOEM (Micro-Optical-Electro-Mechanical System, Micro-Optical-Electro-Mechanical System) optical fiber sensing technology and computer data acquisition and analysis technology, through The network communication method realizes the transformer multi-parameter online monitoring device based on optical fiber sensor technology for power system transformer monitoring. Background technique [0002] Transformer is the key equipment in the power system, and its good operation is of great significance to the safety of the power grid. However, during the operation of the transformer, due to the unavoidable influence of various factors such as electricity, heat, vibration, environment, and insulation aging, its technical performance continues to deteriorate, resulting in poor operating conditions. At present, regular maintenance and safety tests are th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K11/32G01H9/00G08B25/08
Inventor 许慧中
Owner NANJING VOCATIONAL UNIV OF IND TECH
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