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Outdoor gap breakdown characteristic test device

A technology for breakdown characteristics and test devices, applied in the directions of measuring devices, measuring device casings, and testing dielectric strength, etc., can solve problems such as unevenness, large operating errors, and great influence on the breakdown characteristics of protection gaps, to prevent the impact of , Control the effect of precise and convenient

Pending Publication Date: 2021-12-28
STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when carrying out the power frequency breakdown voltage characteristic test or impact (lightning, operation) breakdown voltage characteristic test of the neutral point protection gap of power equipment in the high voltage test hall, a temporary simple test After manually adjusting the spacing of the protection gap, using a straightedge to visually measure the distance, the operating error is relatively large, and the accuracy of the gap distance has a great influence on the breakdown characteristics of the protection gap
In addition, after multiple breakdowns at the end of the protection gap, it will be uneven and have ablation marks, which also greatly affects the judgment of the testers on the breakdown characteristics of the protection gap

Method used

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Examples

Experimental program
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Embodiment 1

[0021] Such as Figure 1-2 Shown is the first embodiment of the present invention, an outdoor gap breakdown characteristic test device, including a base 1, the base 1 is a rectangular parallelepiped shell structure, the base 1 is inserted with a moving block 6, and the moving block 6 and the base 1 The inner walls around are fitted together, and the four corners of the bottom surface of the base 1 are respectively equipped with universal brake wheels. Vertical rod one 2 and vertical rod two 3 are arranged on the base 1, vertical rod one 2 and vertical rod two 3 are all made of epoxy resin material, vertical rod one 2 is vertically bonded on the base 1, vertical rod two 3 are vertically bonded on On the moving block 6, the base 1 is provided with a driving mechanism 1 that drives the vertical rod 2 3 close to or away from the vertical rod 2, and the base 1 is processed to remove holes for the vertical rod 2 3 to move, and the driving mechanism 1 includes a screw rod 7, such as ...

Embodiment approach

[0024] Such as Figure 3-4 Shown is the second embodiment of the present invention, the difference between the present embodiment and the first embodiment is that the vertical rod one 2 and the vertical rod two 3 are respectively provided with mobile frames 15, such as Figure 4 Shown, vertical bar one 2 and vertical bar two 3 are provided with jack one that moves for mobile frame 15, and vertical bar one 2 and vertical bar two 3 are threaded and can fix bolt one 16 of mobile frame 15, on mobile frame 15 Jack is provided with, and inserting rod 17 is inserted in the jack, and bolt two 18 that can fix rod 17 are screwed on mobile frame 15, and the rod 17 that is positioned at vertical rod one 2 statically connects mobile plate one 11, is positioned at vertical rod one 2. Insertion rod 17 two on the bar two 3 statically connect mobile plate two 12, distance sensor 13 is installed on the mobile plate one 11, on the mobile plate one 11 and mobile plate two 12, bonding baffle plate...

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Abstract

The invention discloses an outdoor gap breakdown characteristic test device. The device comprises a base, a first vertical rod and a second vertical rod are arranged on the base, the first vertical rod is statically connected to the base, the second vertical rod is slidably connected to the base, and a first driving mechanism for driving the second vertical rod to be close to or away from the first vertical rod is arranged on the second base. Scales are arranged on the base, the second vertical rod is in static connection with a pointer pointing to the scales, the first vertical rod and the second vertical rod are detachably connected with gap rod bodies respectively, and the central axes of the two gap rod bodies are located on the same straight line. The gap between the gap rods is accurately controlled, and convenience and scientificity of a neutral point protection gap breakdown characteristic test of power equipment are realized.

Description

technical field [0001] The invention relates to the technical field of gap breakdown, in particular to an outdoor gap breakdown characteristic test device. Background technique [0002] At present, when carrying out the power frequency breakdown voltage characteristic test or impact (lightning, operation) breakdown voltage characteristic test of the neutral point protection gap of power equipment in the high voltage test hall, a temporary simple test After manually adjusting the spacing of the protective gap, using a straightedge to visually measure the distance has a large operating error, and the accuracy of the gap distance has a great influence on the breakdown characteristics of the protective gap. In addition, after multiple breakdowns at the end of the protection gap, it will be uneven and have ablation marks, which also greatly affects the judgment of the test personnel on the breakdown characteristics of the protection gap. Contents of the invention [0003] In v...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12G01R1/04
CPCG01R31/1227G01R1/04G01R1/0408
Inventor 郭磊姚伟张科杨威程思远丁国君董曼玲
Owner STATE GRID HENAN ELECTRIC POWER ELECTRIC POWER SCI RES INST