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Temperature monitoring system based on fiber Bragg grating sensor

A fiber Bragg and grating sensor technology, applied in the power field, can solve problems such as being susceptible to electromagnetic interference and data loss, and achieve the effects of strong reusability, strong applicability, and high measurement accuracy

Pending Publication Date: 2018-02-16
SUZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the wireless temperature measurement method, the signal is transmitted wirelessly, which is easily affected by electromagnetic interference, and will cause data loss in a strong electromagnetic interference environment

Method used

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  • Temperature monitoring system based on fiber Bragg grating sensor
  • Temperature monitoring system based on fiber Bragg grating sensor
  • Temperature monitoring system based on fiber Bragg grating sensor

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Embodiment Construction

[0030] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

[0031] see figure 1 As shown, the above-mentioned temperature monitoring system based on fiber Bragg grating sensor is used to monitor power equipment. There are generally multiple monitoring points in electric equipment, and multiple fiber Bragg grating sensors 1 are installed at the multiple monitoring points in one-to-one correspondence.

[0032] The temperature monitoring system also includes a light source module 2 for emitting an ASE light source, and a first signal transmission unit for sending the first light wave signal output by the light source module 2 into the fiber Bragg grating sensor 1 .

[0033] Fiber Bragg grating sensor 1 (FBG) is formed by using the ultraviolet photosensitive characteristics of germanium-doped silica fiber and using a special process to make the fiber core undergo a permanent change in the refractive index...

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Abstract

The invention discloses a temperature motoring system based on a fiber Bragg grating sensor, wherein the temperature monitoring system is used for monitoring electric power equipment. The system comprises the components of a fiber Bragg grating sensor which is mounted on a monitoring point, a light source module, a first signal transmitting unit which is used for transmitting a first light wave signal that is output from the light source module to the fiber Bragg grating sensor, a demodulating module, and a second signal transmitting unit which is used for transmitting a second light wave signal that is output from the fiber Bragg grating sensor to the demodulating module. The demodulating module is used for converting the second light wave signal to a temperature signal of the monitoringpoint. The temperature monitoring system further comprises a signal receiving module for receiving a temperature signal, and a display module which is used for displaying the temperature signal received from the signal receiving module. The temperature monitoring system based on the fiber Bragg grating sensor can well monitor heat generation amount change in an operation process of the electric power equipment, and furthermore performs a good safety warning function on production and operation of the electric power equipment.

Description

technical field [0001] The invention relates to the technical field of electric power, in particular to a temperature monitoring system based on a fiber Bragg grating sensor. Background technique [0002] For power equipment in normal operating state, due to the loss of the circuit, a part of the electric energy is converted into heat energy, causing the equipment to heat up. If the temperature is too high, it will affect the power equipment, and in serious cases, fires and other accidents will occur. Therefore, the operation of power equipment Real-time monitoring of temperature in the process has important application value. [0003] The interior of the power equipment belongs to the environment of high voltage and strong electromagnetic field. If the conventional electrical signal sensor is used to measure the temperature inside the power equipment, especially the hot spot temperature of the winding, it will be difficult to meet the requirements. [0004] Box-type substa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K11/32G01K11/3206
CPCG01K11/3206
Inventor 杭春明张海华许晓杨徐大中徐佟郭嘉诚陈宇晨
Owner SUZHOU POWER SUPPLY OF JIANGSU ELECTRIC POWER
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