Power transmission line photoelectric fusion long-distance monitoring device and method
A monitoring device and power transmission line technology, which is applied in the direction of using optical devices to transmit sensing components, etc., can solve the problems of difficulty in returning monitoring signals, difficult to ensure confidentiality, and difficult to ensure power supply reliability, and to ensure power supply reliability and volume. small effect
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Embodiment 1
[0061] The present invention provides a photoelectric fusion long-distance monitoring device (also called photoelectric fusion terminal) for transmission lines. The monitoring device is installed on a tower, and its structural diagram is as follows figure 1 shown, including:
[0062] Fiber Bragg grating demodulation module 1, convergence module 2, electro-optical conversion module 3 and edge computing and signal return module 4;
[0063] The fiber grating demodulation module 1 is respectively connected with the fiber grating sensor 16 of different channels and the edge calculation and signal return module 4, and is used for emitting laser light to the fiber grating sensor 16 on the power transmission line and returning to the fiber grating sensor 16. The transmitted optical signal is demodulated, and the demodulated signal is output to the edge calculation and signal return module 4;
[0064] The convergence module 2 is connected to the electro-optical conversion module 3, an...
Embodiment 2
[0088] Based on the same inventive concept, the present invention also provides a long-distance monitoring method for transmission line photoelectric fusion, the flow diagram of which is shown in figure 2 shown, including:
[0089] Step 1: Send laser light to the fiber grating sensor 16 on the transmission line through the fiber grating demodulation module 1 and demodulate the optical signal returned by the fiber grating sensor 16, and output the demodulated signal to the edge computing and Signal return module 4;
[0090] Step 2: Converge the sensing data of other monitoring devices on the transmission line through the aggregation module 2, and convert the aggregated sensing data into optical signals through the electro-optical conversion module 3 and output them to the edge computing and signal return module 4;
[0091] Step 3: Calculate and code the signals transmitted by the fiber grating demodulation module 1 and the electro-optic conversion module 3 through the edge co...
Embodiment 3
[0114] This embodiment introduces the specific implementation process of a transmission line photoelectric fusion long-distance monitoring device and method:
[0115] Take an UHV line with a total length of more than 1,000 kilometers passing through no-man's land and no public network signal area as an example, as follows: image 3 and Figure 4 As shown, several key sections along the way need to monitor the structural state parameters of the transmission line body (conductor tension, clamp temperature, galloping, fault distance measurement, rod stress, insulator wind angle, hanging string gravity, tower inclination angle, etc.) and Environmental parameters of transmission channels (wind speed and direction, ambient temperature and humidity, solar radiation, precipitation, foundation settlement of towers, video monitoring of tree barriers and wildfires, etc.). Among them, the monitoring of tower inclination, rod stress, wind speed and direction, ambient temperature and humid...
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