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Stretchable type general local discharge detection sensor mounting tool

A partial discharge detection, general-purpose technology, applied in the direction of measuring devices, measuring device casings, instruments, etc., can solve the problems of increased difficulty, unfavorable stable measurement, increased risk, etc., to achieve ingenious structural design, suitable for on-site detection, wear-resistant good performance

Pending Publication Date: 2017-05-10
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some equipment to be tested on site is relatively high and compact in structure, and there are obvious shortcomings in the test: when the test point is relatively high, the tester needs to use an insulating ladder. The test equipment is compact in structure, and many test points are particularly hidden. The testers cannot directly touch them with their hands. They need to drill and climb the equipment to touch the test points, which undoubtedly increases the difficulty of the work.
As far as the existing auxiliary tools are concerned, there are also deficiencies: the first, in partial discharge measurement, ultrasonic method and UHF method are usually used in conjunction, and there is no general-purpose partial discharge detection sensor suitable for the two measurement methods
Second, the rotation angle of the detection tool is not flexible enough, and the existing placement tools cannot send the sensor to the detection point on the device under test with some complex structures

Method used

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  • Stretchable type general local discharge detection sensor mounting tool
  • Stretchable type general local discharge detection sensor mounting tool
  • Stretchable type general local discharge detection sensor mounting tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] A kind of wear-resisting coating that contains organosilicon resin, by weight, is made up of following raw material: ceramic fine powder 4kg, quartz sand 5kg, magnesia 5kg, titanium dioxide 4kg, organic solvent toluene 40kg, tetraethyl orthosilicate 15kg, ring Calcium alkanoate 10kg, graphite powder 1kg, polyethylene glycol 0.1kg, silica sol 5kg and silicone resin 30kg;

[0047] The preparation method of the wear-resistant coating containing silicone resin, comprises the following steps:

[0048] Put 40kg of xylene, 100kg of water and 1kg of nitric acid in a reaction kettle, add dropwise a mixture of 30kg of monofunctional alkoxysilane and 10kg of trifunctional alkoxysilane at a temperature of 50°C, after the addition is complete, heat up to reflux, A mixed solution is obtained; the monofunctional alkoxysilane is hexamethyldisiloxane; the trifunctional alkoxysilane is vinyltrimethoxysilane;

[0049] ② the steps The obtained mixed solution was allowed to stand and c...

Embodiment 2

[0054] A kind of wear-resisting coating that contains organosilicon resin, by weight, is made up of the following raw materials: ceramic micropowder 7kg, quartz sand 10kg, magnesia 8kg, titanium dioxide 7kg, organic solvent xylene 50kg, tetraethyl orthosilicate 20kg, Calcium naphthenate 15kg, graphite powder 5kg, polyethylene glycol 0.5kg, silica sol 8kg and silicone resin 40kg;

[0055] The preparation method of the wear-resistant coating containing silicone resin, comprises the following steps:

[0056] Put 60kg of xylene, 120kg of water and 5kg of nitric acid in a reaction kettle, add dropwise a mixture of 50kg of monofunctional alkoxysilane and 20kg of trifunctional alkoxysilane at a temperature of 60°C, after the addition is complete, heat up to reflux, A mixed solution is obtained; the monofunctional alkoxysilane is methyldiphenylmethoxysilane; the trifunctional alkoxysilane is vinyltriethoxysilane;

[0057] ② the steps The obtained mixed solution was allowed to sta...

Embodiment 3

[0062] A kind of wear-resisting coating that contains organosilicon resin, by weight, is made up of the following raw materials: Ceramic micropowder 5kg, quartz sand 6kg, magnesia 7kg, titanium dioxide 5kg, organic solvent 42kg, tetraethyl orthosilicate 18kg, naphthene Calcium acid 12kg, graphite powder 3kg, polyethylene glycol 0.4kg, silica sol 6kg and organosilicon resin 32kg; Described organic solvent is tetrahydrofuran;

[0063] The preparation method of the wear-resistant coating containing silicone resin, comprises the following steps:

[0064] Put 44kg of xylene, 115kg of water and 2kg of nitric acid in a reaction kettle, add dropwise a mixture of 35kg of monofunctional alkoxysilane and 16kg of trifunctional alkoxysilane at a temperature of 52°C, after the addition is complete, heat up to reflux, A mixed solution is obtained; the monofunctional alkoxysilane is hexamethyldisiloxane; the trifunctional alkoxysilane is vinyltriethoxysilane;

[0065] ② the steps The obt...

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Abstract

The invention relates to a stretchable type general local discharge detection sensor mounting tool which comprises an expansion link, wherein a fixing base is arranged at one end of the expansion link; a first steering head is arranged on the fixing base; an ultrahigh frequency type placement base is arranged on the first steering head; a second steering head is arranged at the other end of the expansion link; steering head end-toothed discs are respectively arranged on the first steering head and the second steering head; and a through hole is formed at the center of each steering head end-toothed disc. Through the replacement for different kinds of placement bases, the mounting tool can adapt to both of an ultrasonic local discharge detection method and an ultrahigh frequency local discharge detection method; the structure design is smart, so that the placement bases can be easily replaced; a stretchable operation rod is adopted by the mounting tool, so that the length of the operation rod can be accurately adjusted according to the height of the onsite to-be-detected equipment; and the stretchable structure design is space-saving, so that a local discharge tester can conveniently carry the mounting tool.

Description

technical field [0001] The invention relates to a placement tool, in particular to a retractable universal partial discharge detection sensor placement tool. Background technique [0002] The combined electrical equipment GIS with SF6 gas as the insulating medium has been widely used in power systems because of its small footprint, high reliability, and low maintenance. Similar to partial discharge in transformers, high impedance and other equipment, GIS equipment will also produce partial discharge when there are internal defects. Partial discharge detection of GIS equipment, transformers and high-resistance equipment is an important means to ensure the safe operation of the power grid. [0003] Ultrasonic partial discharge detection method and ultra-high frequency partial discharge detection method are relatively mature partial discharge detection methods at present; both test methods need to attach the sensor to the corresponding test point on the surface of the equipmen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R1/04G01R31/12C09D183/04C09D7/12
CPCG01R1/04G01R31/1254C09D183/04C08K3/04C08K3/36C08K5/098C08K13/02C08L71/02C08K2003/222C08K2003/2241C08K2201/014
Inventor 冯新岩赵廷志张明兴孙伟兵崔勇陈仁刚杨承龙李颖慧马建涛张海杰王凤超赫磊张晓翠李媛杨硕郭雷谈淼田晖李颖郭加媛杜滨洋庄燕飞菅有为冯迎春孟庆承李凯林峰
Owner STATE GRID CORP OF CHINA
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