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High-voltage holding test device for insulating instrument

A technology of withstand voltage test equipment and insulation tools, which is applied in the field of power systems, can solve the problems of time-consuming, labor-intensive installation and disassembly, danger, and easy mechanical damage, and achieve the effect of improving experimental efficiency

Active Publication Date: 2014-03-26
STATE GRID SHANDONG ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, the technical problem to be solved by the present invention is that different high voltages are applied to both ends of the insulator during the test, which is relatively dangerous; installation and disassembly are time-consuming and laborious; the use of silicon rubber insulators as basic insulating supports is easy to mechanical damage, thereby proposing a safety performance Good, easy to assemble, durable insulation tools and appliances withstand voltage test device

Method used

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  • High-voltage holding test device for insulating instrument
  • High-voltage holding test device for insulating instrument
  • High-voltage holding test device for insulating instrument

Examples

Experimental program
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Effect test

Embodiment 1

[0028] This embodiment provides a device for withstand voltage testing of insulating tools, and its structure diagram can be found in figure 1 , including a grounded metal plate 1, a grounded metal cylinder 2 is vertically arranged on the grounded metal plate 1, a pair of insulating brackets are vertically arranged around the grounded metal cylinder 2, and a metal beam 5 spans On the pair of insulating supports, the metal beam 5 is provided with an accommodating ring 6 aligned with the mouth of the grounded metal cylinder 2 .

[0029] As other convertible implementations, a plurality of accommodating rings may be provided on the metal beam, and a plurality of grounded metal cylinders may be provided on the grounded metal plate. It is directly inserted from the accommodation ring to the grounded metal cylinder, and each accommodation ring can be inserted into a plurality of insulating tools, so that batch experiments can be carried out, and the experimental efficiency of the vo...

Embodiment 2

[0031] This embodiment is based on the first embodiment. The insulating support in this embodiment includes two vertically arranged vertical insulating posts 3 and a horizontal insulating post 4 spanning the upper part of the two vertical insulating posts 3 . The metal cross beams 5 straddle the horizontal insulating pillars 4 of the two groups of insulating supports. The metal beam 5 is parallel to the grounded metal plate 1 . The ground metal plate 1 is rectangular, and the pair of insulating supports are respectively arranged on two opposite sides of the rectangle. The four corners of the grounding metal plate 1 are respectively welded to the grounding metal cylinder 2, and the four vertical insulating pillars 3 are inserted into the four grounding metal cylinders 2 at the four corners of the grounding metal plate 1, and are assembled by inserting, which is convenient for installation and disassembly. It is convenient to move the experimental device. The grounded metal cy...

Embodiment 3

[0036] This embodiment provides a new type of insulation tool withstand voltage test device, see figure 2 , image 3 , including 1 piece of grounding metal plate 1, 19 pieces of grounding metal cylinder 2, 4 pieces of vertical insulating pillars 3, 2 pieces of horizontal insulating pillars 4, 3 pieces of metal beams 5, and 15 pieces of spring coils 6. There are 19 ground metal cylinders 2 in total, 15 of which are divided into 3 rows and welded on the ground metal plate 1 .

[0037]The outer dimension of the grounding metal plate 1 is 860mm×1310mm, and the thickness is 5mm; the grounding metal cylinder 2 is a cylindrical structure with an inner diameter of 100mm, an outer diameter of 110mm, a height of 100mm, and a wall thickness of 5mm. The row spacing of the grounded metal cylinders 2 on the metal plate 1 is 260mm; in each row, the cylinder spacing is 240mm. The other four grounding metal cylinders 2 are welded to the four corners of the grounding metal plate 1 and arrang...

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Abstract

The invention provides a high-voltage holding test device for an insulating instrument. The high-voltage holding test device comprises at least one grounding metal plate; a plurality of grounding metal cylinders are arranged vertically on the grounding metal plate; at least one pair of insulating bracket is vertical arranged around the grounding metal cylinder; at least one metal cross beam stretches over the one pair of insulating bracket; and the metal cross beam is provided with an accommodating ring aligned with a mouth of the grounding metal cylinder. The metal cross beam is provided with a plurality of accommodating rings; the grounding metal plate is provided with the plurality of the grounding metal cylinders; when the high-voltage holding test is conducted, the insulating instrument is vertically inserted through the accommodating ring into the ground metal cylinder; each accommodating ring can be inserted by multiple insulating instruments; and the batch experiment is realized, so that the test efficiency of the high-voltage holding and insulating instrument is improved.

Description

technical field [0001] The invention relates to a device for withstand voltage testing of insulating tools. It belongs to the technical field of power systems. Background technique [0002] Insulating tools and appliances refer to tools and appliances that can directly operate live equipment or contact or may contact live objects, such as capacitive electroscopes, insulating rods, nuclear phase detectors, insulating covers, insulating partitions, etc. Body or non-contact live body, to prevent contact voltage, step voltage, leakage current arc from harming the operator. [0003] The true withstand voltage insulation level of insulating tools is an important guarantee to ensure the personal safety of electric workers working, operating or testing in high-voltage power grid equipment. It is an important task of the electrical test class to regularly test the insulation level and withstand voltage of the insulation tools and appliances normally used by the staff. The power su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/18G01R1/04
Inventor 孙昭昌刘鹏曹晓华胡东程谋铨谭波吴寿山刘杰李强
Owner STATE GRID SHANDONG ELECTRIC POWER
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