Method and device for monitoring power transmission line
A technology for power transmission lines and monitoring devices, applied in measurement devices, optical devices, tension measurement, etc., can solve the problems of video monitoring terminals being covered and frozen by ice and snow, only guessing, and signal transmission difficulties, etc., and achieve the speed of signal transmission. The effect of fast, long measuring distance and wide operating temperature range
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[0038] figure 2 A structural block diagram of an optical fiber sensor network is given. This is a sensing system based on Fiber Bragg Grating (FBG). But in practical applications, other types of fiber optic sensor networks can also be used. The following is a brief introduction to the FBG sensing system.
[0039] The signal transmission and processing system 10 in this example includes a laser 8 , a signal detection and processing device 9 , a computer data analysis and human-computer interaction unit 11 , and a circulator or coupler 13 . First, the laser light emitted by the laser 8 is incident into the optical fiber sensor network through a circulator or coupler 13, and the optical fiber sensor is connected in series on the optical fiber link. The photoelectric detection system 901 receives, and then passes through the signal amplification and filtering unit 902, and through the digital signal processing unit 903, the computer analysis software of the signal transmission...
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