A method and system for online monitoring of water level in an underground high-voltage power tunnel
A high-voltage electric power and monitoring system technology, applied in the direction of measuring devices, liquid/fluid solid measurement, instruments, etc., can solve the problems of large power supply voltage attenuation, instability, etc., to improve signal-to-noise ratio, strong pertinence, and solve power supply difficulties Effect
Active Publication Date: 2017-01-25
STATE GRID CORP OF CHINA +2
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Problems solved by technology
[0006] Through long-distance cable transmission, the power supply voltage has a large attenuation and is unstable. For monitoring terminals in different locations, the prerequisite for reliable communication is a stable and clean power supply system.
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[0036] The present invention will be further described through the embodiments below in conjunction with the accompanying drawings.
[0037]An online water level monitoring system for an underground high-voltage power tunnel, comprising a host computer 1, a monitoring host 2, a water level monitoring device 3, and a water level probe 14, the host computer 1, the monitoring host 2, the water level monitoring device 3, and the water level probe 14 from top to Connected in turn, the number of monitoring hosts 2 is one or more, the number of water level monitoring devices 3 connected to each monitoring host 2 is more than one, and the number of water level probes 14 connected to each water level monitoring device 3 is more than one The upper computer 1 and the monitoring host 2 are connected to each other through a TCP / IP (network communication protocol) Ethernet interface, and the monitoring host 2 and the water level monitoring device 3 are connected to each other through a pair ...
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The invention relates to an on-line water level monitoring method and an on-line water level monitoring system for an underground high-voltage power tunnel, and belongs to the technical field of power monitoring equipment. According to the technical scheme, the on-line water level monitoring system comprises an upper computer (1), one or more than one monitoring host unit (2), water level monitoring devices (3) and water level probes (14), wherein each monitoring host unit is connected with more than one water level monitoring device; each water level monitoring device is connected with more than one water level probe; the upper computer is connected with each monitoring host unit through a TCP / IP (transmission control protocol / internet protocol) Ethernet interface; each monitoring host unit is connected with the water level monitoring devices through a pair of low-smoke halogen-free flame-retarding communication cables. The on-line water level monitoring system for the underground high-voltage power tunnel has the beneficial effects that due to the implementation, on-line monitoring on the water level of the underground high-voltage power tunnel can be realized; meanwhile, the water level state of the tunnel can be accurately submitted, so that pre-warning, early intervention and timely processing are realized. The system is high in pertinence, high in reliability and complete in function.
Description
technical field [0001] The invention relates to an online water level monitoring method and system of an underground high-voltage electric tunnel, belonging to the technical field of electric power monitoring equipment. Background technique [0002] With the vigorous development of the power industry, the improvement of the automation management level of power equipment, the rapid growth of power tunnels, the increase in power consumption and the long-term operation of cables, the water accumulation in cable tunnels seriously affects the reliability of power supply, so the power Remote monitoring of tunnel water level is imperative, and it is especially important to design a water level monitoring system that can adapt to the actual situation of the tunnel. [0003] The biggest problem and obstacle of tunnel water level monitoring is that there is no direct local power supply system in the tunnel, and the water level monitoring device must realize both communication and powe...
Claims
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IPC IPC(8): G01F23/00
Inventor 袁燕岭高中强韩宝华李振成张欢陈晓曦张建军刘福强穆勇沈宇杨震威王玉坚邬小波张子健史顺金董杰张博宇李进军
Owner STATE GRID CORP OF CHINA