Artificial climate room for detecting and testing UHV transmission line
A technology of artificial climate chamber and transmission line, applied in the field of artificial climate chamber, can solve the problems of high construction cost and high use cost, and achieve the effects of fast test speed, low consumption and low construction cost
Active Publication Date: 2011-08-10
STATE GRID ELECTRIC POWER RES INST
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Problems solved by technology
However, for UHV transmission lines, in addition to adjusting different weather conditions, it is also necessary to conduct experiments on long-distance conditions. The distance to be considered is (50-100) m, which cannot be met by existing artificial climate chambers. Yes, even if an artificial climate chamber with a diameter of (50-100) m can be made, its construction cost and use cost will be surprisingly expensive
Method used
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Effect test
Embodiment 1
[0017] The nine rectangular tubes connected in series are evenly arranged to form a rectangular artificial climate box, the length of each rectangular tube is 5m, and the cross section is 10*10cm 2 , the area of the mirror is 10*14cm 2 . This embodiment can complete the test within a test distance of 45 meters.
Embodiment 2
[0019] The nine rectangular tubes connected in series are evenly arranged to form a rectangular artificial climate box, the length of each rectangular tube is 10m, and the cross section is 20*20cm 2 , the area of the mirror is 20*28cm 2 . This embodiment can complete the test whose test distance is within 90 meters.
[0020] The whole working process of the present invention is all controlled by the computer according to the preset program. In order to protect the valuable components in the artificial climate chamber, the computer software is divided into two parts: working condition control system and dormant maintenance system.
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The invention relates to an artificial climate room for detecting and testing a UHV transmission line. The artificial climate room consists of a power supply, an artificial climate regulation-control generator, an artificial climate box and a computer. The artificial climate room is characterized in that: a plurality of rectangular pipes which are mutually connected in series form the artificial climate box; both ends of each rectangular pipe of the artificial climate room are provided with a reflecting mirror, each reflecting mirror is fixed on a corresponding rectangular bracket, and the tail part of each rectangular bracket is provided with a piece of sealed glass; the artificial climate box is also provided with an artificial climate parameter inlet communicated with the rectangular pipes, and the artificial climate parameter inlet is communicated with the artificial climate regulation-control generator externally arranged; and the artificial climate box is also provided with an artificial climate parameter outlet. In the artificial climate room of the invention, the artificial climate box are formed by a plurality of rectangular pipes which are overlapped and mutually connected in series and both ends of each rectangular pipe are provided with a reflecting mirror, so that the detection distance of the infrared detection technology and the ultraviolet detection technology is equal to a product of the length of the rectangular pipes and the number of the rectangular pipes, and the technical problem of the long-distance detection is solved.
Description
technical field [0001] The invention belongs to a special high-voltage test device related to manual adjustment of meteorological parameters and long-distance measurement, in particular to an artificial climate chamber used for detection tests of UHV transmission lines. Background technique [0002] my country is building AC UHV transmission lines, which will become the main backbone network in China by around 2020. UHV transmission lines have many characteristics: high voltage, high towers, long lines, long insulator strings, large number of insulators, complex geographical environment along the line, and high reliability requirements for safe operation. Due to these characteristics, the existing traditional regular inspection and maintenance methods are no longer applicable to UHV transmission lines. [0003] In order to solve this problem, the idea of a remote sensing inspection new technology system with [infrared detection-ultraviolet detection-helicopter] as the cor...
Claims
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IPC IPC(8): G01R31/08
Inventor 丁一正陈勇
Owner STATE GRID ELECTRIC POWER RES INST