Arcing detection method based on fusion of ultraviolet images, infrared images and optical images
An optical image and detection method technology, which is applied in the direction of using optical methods for testing and testing dielectric strength, etc., can solve problems such as time-consuming, expensive, and ineffective results, and achieve low-cost and safe detection effects
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[0045] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0046] Such as figure 1As shown, an arc detection method based on the fusion of ultraviolet, infrared and optical images includes the following steps:
[0047] S1. The ultraviolet detector collects ultraviolet band signals at a frequency of 200-2000Hz (the frequency is defined according to the detection accuracy requirements, the higher the frequency, the higher the accuracy), and judges whether the ultraviolet band signals collected each time appear at 240-260nm Or between 323 and 329nm (depending on the material), if it is, it means arcing occurs; and the collected ultraviolet band signal is converted into an electrical signal V by a photoelectric sensor d , and then through digital-to-analog conversion, the voltage signal is converted into a digital signal. If arcing occurs, it is recorded as 01, otherwise it is recorded as 00, such as f...
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