Online monitoring platform for underground cable channels of urban power grids

A technology for underground cables and urban power grids, applied in measuring devices, closed-circuit television systems, non-electrical signal transmission systems, etc., can solve problems such as high probability of problems and complex environment of cable trenches, and reduce losses, costs and construction The effect of reducing difficulties and making it easier to grasp

Inactive Publication Date: 2017-02-22
NANYANG POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the environment in the cable trench is complex, and the use of robots for inspections has a high probability of problems

Method used

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  • Online monitoring platform for underground cable channels of urban power grids
  • Online monitoring platform for underground cable channels of urban power grids
  • Online monitoring platform for underground cable channels of urban power grids

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as figure 1 As shown: this embodiment provides an online monitoring platform for the underground cable channel of the urban power grid, including a monitoring center 1 and a mobile monitoring unit 2 connected to it, and the mobile monitoring unit 2 includes an overhead track set in the cable trench 6. The mobile mechanism 13 provided on the overhead track 6, the monitoring terminal 4 is provided on the mobile mechanism 13, and the monitoring terminal 4 includes a sensor module 15, a control module 12, a video monitoring module 14 and a first communication module 3, The moving mechanism 13 is also provided with a positioning device 5, an ultrasonic mouse repeller 16 and an insect dispelling device 11, the positioning device 5 is connected with the monitoring center 1, and the sensor module 15 includes a temperature sensor, a humidity sensor, an open flame sensor , a combustible gas sensor and a water level sensor, the control module 12 is connected to the sensor mod...

Embodiment 2

[0043] Such as Figure 2 to Figure 4 As shown: the difference from Embodiment 1 is that the ultrasonic mouse repeller 16 and the disinsection device 11 are connected to the control module 12, and the disinsection device 11 adopts an electric shock type disinsection lamp.

[0044] The water level sensor 33 is arranged on one side of the moving mechanism 12 through a lifting mechanism. The lifting mechanism includes a lifting motor 31 arranged on the moving mechanism 12. The winding reel 32 connected to the lifting motor 31 by transmission, the suspension rope 36 provided on the winding reel 32 , and the water level sensor 33 is provided at the lower end of the suspension rope 36 .

[0045] Described video monitoring module 14 comprises the miniature cloud platform 28 that is arranged on described moving mechanism 13, and infrared camera 29 and infrared thermal imager 30 are arranged on described miniature platform 28, and described miniature platform 28 and described control mo...

Embodiment 3

[0050] Such as Figure 5 and Figure 6 Shown: its difference with embodiment one is:

[0051] The positioning device 5 includes a wire groove 19 provided on the overhead track 6, an elastic support mechanism 18 at the bottom of the wire groove 19, and a distributed optical fiber vibration sensor 17 arranged on the upper surface of the elastic support mechanism 18. The top of the distributed fiber optic vibration sensor 17 is higher than the top of the trunking 19 , and the distributed fiber optic vibration sensor 17 is connected to the monitoring center 1 . When the wheels of the traveling mechanism walk on the overhead track, they press the distributed optical fiber vibration sensor arranged on the overhead track, and the distributed optical fiber grating sensor deforms, and the position of the traveling mechanism is monitored through the light information received by the monitoring center.

[0052]It is realized by the distributed optical fiber vibration sensor set on the ...

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PUM

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Abstract

The invention discloses an online monitoring platform for underground cable channels of urban power grids. The online monitoring platform comprises a monitoring center and a movable monitoring unit connected with the monitoring center, the movable monitoring unit comprises an overhead rail, a movable mechanism and a monitoring terminal, the overhead rail is arranged in a cable trench, the movable mechanism is arranged on the overhead rail, the monitoring terminal is arranged on the movable mechanism and comprises a sensor module, a control module, a video monitoring module and a first communication module, a positioning device, an ultrasonic rat repellent and a deinsectization device are arranged on the movable mechanism, the positioning device is connected with the monitoring center, and the sensor module comprises a temperature sensor, a humidity sensor, an open flame sensor, a combustible gas sensor and a water level sensor. According to the online monitoring platform, temperature, humidity, open flame, combustible gas and waterlogging in the cable trench can be monitored, a certain prediction functions are achieved by the aid of monitored information, and the cable trench can be visually monitored in real time.

Description

technical field [0001] The invention relates to the technical field of remote on-line monitoring of power systems, in particular to an on-line monitoring platform for underground cable passages of urban power grids. Background technique [0002] In traditional power transmission, overhead lines are used to transmit power. Staff need to check the operating status of various equipment such as cable branch boxes, switch stations, and ring network cabinets on site, so as to deal with various faults according to the specific operating status of the equipment. With the continuous acceleration of industrialization and urbanization, the demand for power cables in the transformation of urbanized power grids is increasing. The previous overhead lines have been gradually replaced by buried power cables, but the concealment of buried cables increases the power cables in operation. Difficulties in maintenance, management, and fault repair. The traditional management method based on on-si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D21/02G08C23/06H04N7/18
CPCG01D21/02G08C23/06H04N7/18
Inventor 王辉曹源黄小宁
Owner NANYANG POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER
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