Transformer oil level monitoring system based on power equipment infrared image
A technology of infrared image and transformer oil, applied in the direction of liquid level indicator for physical variable measurement, to achieve the effect of avoiding strong electromagnetic field interference and strong anti-electromagnetic interference ability
Inactive Publication Date: 2016-05-04
STATE GRID CORP OF CHINA +2
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However, the infrared camera must be installed near the transformer to effectively acquire the infrared thermal image of the oil conservator, and its photoelectric conversion process will inevitably be disturbed by the surrounding strong electromagnetic field
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[0035] The transformer oil level monitoring system based on the infrared image of electric equipment according to the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0036] figure 1 The first optical imaging device side structure of the transformer oil level monitoring system based on the infrared image of the electric power equipment in this embodiment is illustrated, figure 2 The structure of the second optical imaging device side of the transformer oil level monitoring system based on the infrared image of the power equipment in this embodiment is schematically illustrated.
[0037] Please refer to figure 1 and figure 2 , the transformer oil level monitoring system based on infrared images of power equipment in this embodiment is used for automatic online monitoring of transformer oil levels, including: a first optical imaging device 2, a second optical imaging device 4, an optical fib...
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The invention discloses a transformer oil level monitoring system based on a power equipment infrared image. The system comprises a first optical imaging device arranged near an oil conservator of a transformer, a second optical imaging device, an optical fiber image transmitting bundle, an infrared detector near the second optical imaging device and a control device connected with the infrared detector, wherein the optical fiber image transmitting bundle is provided with an input end face located on one side of the first optical imaging device and an output end face located on one side of the second optical imaging device. The first optical imaging device maps an oil conservator infrared radiation energy field to the input end face of the optical fiber image transmitting bundle, the oil conservator infrared radiation energy field is transmitted to the output end from the input end face through the optical fiber image transmitting bundle, the oil conservator infrared radiation energy field of the output end is coupled with the infrared detector through the second optical imaging device, and the infrared detector converts the oil conservator infrared radiation energy field into optical information corresponding to the energy field, and the optical information is transmitted to the control device. The transformer oil level monitoring system is high in electromagnetic interference resistance.
Description
technical field [0001] The invention relates to a transformer oil level monitoring system, in particular to a transformer oil level monitoring system based on infrared images. Background technique [0002] In order to ensure the safe operation of the power grid and improve the quality of power supply, the on-line monitoring and safety warning of power equipment are generally valued by people. Oil level is one of the important monitoring parameters of power transformers. It is of great significance to timely find out that the oil level is too low or too high and take corresponding measures to ensure the safe operation of power transformers. According to the principle that the oil temperature of the transformer is higher than the air temperature, the oil level in the oil conservator of the transformer can be clearly monitored by using infrared imaging equipment. At present, most infrared detection methods still use staff to carry out infrared temperature measurement or imagin...
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IPC IPC(8): G01F23/22
CPCG01F23/22
Inventor 王思源解祥艳盛戈皞丁素英王宁潘慧超韦良许明严玺
Owner STATE GRID CORP OF CHINA