Contact type high-voltage electrical equipment temperature detection system

A high-voltage electrical and detection system technology, applied in the direction of thermometers, thermometers, and measuring devices that use electrical/magnetic components directly sensitive to heat. Achieve photoelectric isolation, remove electromagnetic interference, and achieve the effect of electromagnetic interference shielding

Inactive Publication Date: 2014-04-16
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This also causes some electrical equipment to have huge safety hazards due to the inability to perform temperature detection or inaccurate temperature measurement, so the production and promotion of low-cost temperature measurement equipment is imminent

Method used

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  • Contact type high-voltage electrical equipment temperature detection system

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Embodiment Construction

[0019] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.

[0020] like figure 1 As shown, the embodiment of the present invention is provided with a temperature measurement module A, a signal processing module B and an energy light source module C. The temperature measuring module A is provided with a temperature sensor 1, a waveform generator 2, an electrical-optical conversion input port 3 and a solar panel 9; the signal processing module B is provided with an optical-electrical conversion output port 4, an operational amplifier 5, a voltage Comparator 6, single-chip microcomputer 7, liquid crystal display screen 8, described energy source module C is provided with parabolic mirror 10, metal halide lamp 11, 220V power supply 12; The output end of described temperature sensor 1 is connected the input end of waveform generator 2, The output end of the waveform generator 2 is connected to the electrical-optic...

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Abstract

The invention discloses a contact type high-voltage electrical equipment temperature detection system and relates to temperature signal collecting and processing. A temperature measuring module is provided with a temperature sensor, a waveform generator, an electronic-to-optical conversing input port and a solar panel; a signal processing module is provided with an optical-to-electronic conversing output port, an operational amplifier, a voltage comparator, a single chip microcomputer and a display screen; an energy light source module is provided with a paraboloidal mirror, a metal halide and a power source; an output end of the temperature sensor is connected with an input end of the waveform generator; an output end of the waveform generator is connected with the electronic-to-optical conversing input port; an output end of the solar penal is connected with the waveform generator; an output end of the electronic-to-optical conversing input port is connected with the optical-to-electronic conversing output port through fiber optics bundles; an output end of the optical-to-electronic conversing output port is connected with an input end of the operational amplifier; an output end of the operational amplifier is connected with an input end of the voltage comparer; an output end of the voltage comparer is connected with an input port of the single chip microcomputer; an output port of the single chip microcomputer is connected with an input end of the display screen; the power source is connected with the metal halide; the metal halide irradiates the solar panel through fiber optics bundles which are formed through the paraboloidal mirror.

Description

technical field [0001] The invention relates to the collection and processing of temperature signals, in particular to a contact-type high-voltage electrical temperature detection system. Background technique [0002] In modern industry, abnormal operation or failure of industrial equipment usually shows abnormal temperature changes. For example, high-voltage switchgears in power plants and substations are important electrical equipment. During the long-term operation of the equipment, the joints of the dynamic and static contacts in the switchgear and the joints of the busbars and other parts of the switchgear are heated due to excessive contact resistance due to factors such as oxidation and looseness, forming a vicious circle, and these heat-generating parts become failures. The hidden dangers of accidents, once electrical equipment safety problems occur, will cause huge economic losses. In other important areas, temperature detection plays a vital role in equipment and ...

Claims

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Application Information

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IPC IPC(8): G01K7/22
Inventor 方正王凯陈雅琳许航马瑞
Owner XIAMEN UNIV
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