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Electric conductor, conductive connection assembly using same, and GIS

A technology of conductive connection and conductor, applied in the parts, connections, electrical components and other directions of the connection device, which can solve the problems of local electric field distortion, flashover of insulators, affecting insulation properties, etc.

Active Publication Date: 2021-09-14
HENAN PINGZHI HIGH VOLTAGE SWITCHGEAR +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the moving metal foreign matter particles adhere to the surface of the insulator, the local electric field will be distorted, causing the insulator to flashover along the surface, thereby affecting the insulation characteristics of the GIS

Method used

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  • Electric conductor, conductive connection assembly using same, and GIS
  • Electric conductor, conductive connection assembly using same, and GIS
  • Electric conductor, conductive connection assembly using same, and GIS

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0060] Such as Figure 1 to Figure 6 As shown, the GIS includes a GIS busbar, and the GIS busbar includes a GIS busbar housing 11 , a basin-type insulator 12 fixed on the GIS busbar housing 11 , and a conductive connection assembly arranged in the GIS busbar housing 11 . Wherein, the center of the pot insulator 12 is provided with a metal insert 13, and the metal insert 13 can conduct electricity. The conductive connection component can collect and restrain metal foreign matter. During the operation of GIS, the GIS bus housing 11 is filled with SF 6 Insulating gas, so that the space inside the GIS busbar housing 11 forms the GIS gas chamber 24 .

[0061] Specifically, such as figure 1 As shown, the conductive connection assembly includes a contact assembly 1 and a conductive rod assembly 2. The conductive rod assembly 2 is supported by the contact assembly to achieve sliding contact adjustment within the design size range. Among them, the contact assembly 1 includes a cont...

Embodiment 2

[0068] The difference between this embodiment and the above-mentioned embodiment 1 is that, in this embodiment, no contact finger installation groove is provided in the socket, but the direct conductive contact is realized directly by plugging between the conductive rod and the contact.

[0069] Of course, in other embodiments, the contact finger mounting grooves may be provided on the insertion section of the contact, that is, the small-diameter section 17 in the above-mentioned embodiments.

Embodiment 3

[0071]The difference between this embodiment and the above-mentioned embodiment 1 is that, in the above-mentioned embodiment, the inner diameter of the enlarged part of the socket 20 gradually increases from the outside to the inside, and belongs to a continuous whole, that is, between the enlarged part of the socket 20 and the contact. An annular space is formed; in this embodiment, the enlarged part of the socket 20 is discontinuous, including several enlarged sections whose inner diameter gradually increases from the outside to the inside, and the adjacent enlarged sections are discontinuous, and the enlarged section close to the plug contact part A guide slope is formed, and only an annular space is formed between the enlarged section close to the plug contact portion and the contact, at this time, the longitudinal section of the socket is not trapezoidal.

[0072] Certainly, in other embodiments, the foreign matter capturing chamber formed between the enlarged part of the ...

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Abstract

The invention relates to an electric conductor, a conductive connection assembly using the same, and a GIS. The electric conductor is used for being in plug-in fit and conductive connection with an adaptive conductive piece, a jack is formed in the electric conductor, the part, used for being in contact fit with the conductive piece, of the electric conductor is defined as a plug-in contact part, and the jack comprises an expansion part located on the inner side of the plug-in contact part. The expansion part is used for forming a foreign matter capturing chamber to capture metal foreign matters generated on the inner side of the plug-in contact part; and the part, close to the inner side of the plug-in contact part, of the jack forms a guiding slope, and the guiding slope gradually descends from the hole opening of the jack to the hole bottom of the jack. When the electric conductor is applied to the GIS or the GIL, the number of metal foreign matters fallen on a bus shell from the outer side of the plug-in contact part can be reduced, so that the possibility of diffusion of the metal foreign matters in a gas chamber is reduced, and the influence of the metal foreign matters on the insulation characteristic of the GIS or the GIL is reduced.

Description

technical field [0001] The invention relates to the technical field of electric equipment, in particular to a conductor, a conductive connection assembly using the conductor, and a GIS. Background technique [0002] Gas-insulated metal-enclosed switchgear (GIS) has high requirements on insulation. If there are metal foreign objects inside, the insulation properties of the product will be significantly reduced. At present, although all GIS manufacturers have strict foreign matter control process systems, they have set up foreign matter cleaning observation holes in the parts that are prone to metal foreign matter during the production process, and set up foreign matter collection at the bottom of the busbar shell near the internal insulators of the equipment. traps to reduce the damage of metal foreign matter to the insulation properties of the equipment, but it cannot fundamentally solve the generation and diffusion of foreign matter inside the GIS gas chamber. [0003] Dur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R13/187H01R24/00
CPCH01R13/187H01R24/00Y02T10/70
Inventor 张垒苏戈贺晶晶秦晓宇赵艳涛张路阳龚咪咪刘分樊子健马志强史春玲戴本圣彭崇韩东伟胡天宝
Owner HENAN PINGZHI HIGH VOLTAGE SWITCHGEAR
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