Four-dimensional self-adaptive insulation piece surface charge measuring device

A surface charge and measurement device technology, applied in the direction of measuring devices, measuring electrical variables, instruments, etc., can solve the problems of inconvenient surface charge measurement and control, and achieve the effect of ensuring accuracy and high spatial resolution

Inactive Publication Date: 2010-07-28
TSINGHUA UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The reason why there are few studies in this area is that the study of this phenomenon requires the measurement of the surface charge of the insulating part. During the measurement, a probe needs to be moved on the surface of the insulating part and kept at a certain distance. In general, the actual insulating part The surface is a curved surface with a special shape, and the normal working environment is SF at an absolute pressure of 0.5MPa 6 gas, which brings great inconvenience to the measurement and control of the surface charge

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  • Four-dimensional self-adaptive insulation piece surface charge measuring device

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Embodiment Construction

[0016] The four-dimensional self-adaptive insulator surface charge measuring device proposed by the present invention has a structure such as figure 1 As shown, it includes a measuring probe 1, a probe control mechanism 2, a probe control arm 3, a rotating disk 4, a camera 5, a power supply 13, a controller 14, a bottom bracket 16, a radially moving lead screw 8, a laterally moving slide rail 15 and a base 18. The laterally moving slide rail 15 is placed on the base 18 , and the inside of the laterally moving slide rail 15 engages with the laterally moving screw 17 , which is controlled and driven by the laterally moving control motor 24 . The bottom bracket 16 is fixed on the laterally moving slide rail 15 , and the power supply 13 and the controller 14 are fixed on the bottom bracket 16 . The camera 5 is fixed on the bottom bracket 16 through the camera bracket 6 . The rotating disk 4 is fixed on the front side of the bottom bracket 16, and the rotating disk 4 is controlle...

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Abstract

The invention relates to a four-dimensional self-adaptive insulation piece surface charge measuring device, which belongs to the technical field of the high-voltage device and the electron. The measuring device comprises a measuring probe, a probe control mechanism, a rotation disc, a camera, a power source, a controller infrared distance meter and the like. A distance signal is received by the infrared distance meter, the distance and the angle between the probe and the measured surface are automatically adjusted through a plurality of motors, the probe is maintained to be vertical to the surface, and the distance between the probe and the measured surface is constant, so the measurement of the surface charge of the insulation piece is realized. The measuring device can be arranged inside a sealing cavity which can bear the air pressure, measures the surface charge of the insulation piece in the high-air-pressure environment, realizes two translation motions and rotations of the probe, is applicable to the measurement of the insulation pieces with different shapes, and has high space resolution ratio.

Description

technical field [0001] The invention relates to a four-dimensional self-adaptive surface charge measuring device of an insulating part, which belongs to the technical field of high-voltage equipment and electronics. Background technique [0002] Gas-insulated equipment is widely used in power systems, such as gas-insulated switches (GIS) and gas-insulated lines (GIL). Compared with traditional open-type power distribution devices, gas-insulated equipment has many advantages, the most important ones are operation stability, high reliability, no insulation aging problem, small size, small footprint, and no external environment influence , simple maintenance, long maintenance cycle, quick installation, low operating costs and no electromagnetic interference, etc., so it has been valued by the power sector and has been widely used in AC systems. At present, my country is speeding up the construction of DC UHV transmission lines, and there is an urgent need to apply such equipme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R29/00
Inventor 王强张贵新王蓓徐曙光吴宝晖
Owner TSINGHUA UNIV
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