Real-time video monitoring system for ultra-high voltage converter station

A monitoring system and real-time video technology, applied in closed-circuit television systems, mechanical equipment, supporting machines, etc., can solve the problems of camera cleaning, maintenance, poor observation angle, and poor observation effect, etc., to achieve high maintainability, installation The effect of flexible location and high security

Inactive Publication Date: 2013-02-13
GUANGZHOU BUREAU CSG EHV POWER TRANSMISSION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention solves the problems of poor observation angle, poor visibility and poor observation effect caused by the installation height and angle of the camera relative to the knife switch and the ground knife contact, and also solves the problem of not affecting the normal operation of the DC system Camera decontamination issues, maintenance issues, and night vision requirements

Method used

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  • Real-time video monitoring system for ultra-high voltage converter station

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Embodiment Construction

[0012] The content of the present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0013] The knife switch and ground knife used for monitoring in the present invention are ZBF16-412 / 824+AE BF2 type horizontal flip double-side fracture isolation knife gate and combined ground knife produced by Siemens RUHRTAL factory, which is an outdoor open working environment. The infrared adjustable camera of the present invention keeps a safe distance of more than 9 meters from the 800kV live parts. in the groove of the contact. Its action stroke is level with the ground, and there is a large pressure equalizing ring with a diameter of 2 meters around the knife switch and the ground knife contact. In the above-mentioned environment, starting from the theory that the light propagates in a straight line, to achieve the best monitoring effect, the camera must be kept at the same height as the monitored object, that is, the contact of...

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Abstract

The invention relates to a CCTV image monitoring system for an ultra-high voltage direct current converter station, and solves the problem of poor observation effect caused by the installation height and angle of a camera head relative to a disconnecting link and a contact terminal of an earthing knife. The monitoring system comprises a monitor background and the camera head, wherein the monitor background and the camera head are in communication connection through an optical transceiver; the camera head is a infrared adjustable pick-up camera with a holder; a wiper is arranged on a spherical cover of the holder; the infrared adjustable pick-up camera is fixed at the top of a remotely-controlled lifter; the lifter is connected with a driving device; a remotely-controlled infrared lamp is further arranged at the top of the lifter; and the holder, the driving device and the remotely-controlled infrared lamp are correspondingly electrically connected with a power supply respectively, and are correspondingly in communication connection with the monitor background respectively. According to the system, the height and the angle of the observation camera head can be adjusted at any time as required in observation; when dirt accumulation of the camera head is serious, dirt cleaning up of the camera head can be carried out at any time; and when the camera head failures to work, the lifter is descended to a safe height to perform corrective maintenance on the camera head without the constraint of a device being charged in a direct current field.

Description

technical field [0001] The invention relates to a CCTV image monitoring system of an ultra-high voltage direct current transmission converter station. Background technique [0002] At present, the number of UHVDC transmission projects in China is gradually increasing. With the continuous improvement of transmission voltage levels, the size of power transmission and transformation equipment is getting larger and larger. The ±800kV Yunguang UHVDC project under the jurisdiction of China Southern Power Grid is the leading example. For example, the height of some knife gates and ground knife in the DC field is more than 17 meters, and the contact parts are all at the highest point of the knife gate and ground knife. Due to the high voltage level and the high distance between the contacts and the ground, it is very difficult to effectively confirm whether the knife switch and ground knife are opened and closed in place during operation and maintenance. The knife switch and ground...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18F16M11/42F16M11/06
Inventor 余荣兴宋述波张志朝刘茂涛徐攀腾
Owner GUANGZHOU BUREAU CSG EHV POWER TRANSMISSION
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