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A connecting device for indoor floor arrangement electrical equipment

A technology for electrical equipment and connection devices, which is applied in the field of connection devices for indoor floor layout of electrical equipment, can solve problems such as unsuitable connections, and achieve the effects of simple and reliable connection methods, improved overall anti-seismic performance, and good energy consumption

Pending Publication Date: 2019-01-11
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this utility model is also not applicable to the connection of indoor floor arrangement electrical equipment

Method used

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  • A connecting device for indoor floor arrangement electrical equipment
  • A connecting device for indoor floor arrangement electrical equipment
  • A connecting device for indoor floor arrangement electrical equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as figure 1 and figure 2 As shown, a connection device for indoor floor layout of electrical equipment, including a bellows body 1, an upper connecting plate 2 fixedly arranged on the upper end of the bellows body 1 and a fixedly arranged on the lower end of the bellows body 1 The lower connecting plate 3; the upper connecting plate 2 and the lower connecting plate 3 have the same structure and are ring-shaped, and the upper connecting plate 2 is provided with a plurality of upper installation blind holes 4, and the lower connecting plate 3 is provided with There are lower mounting blind holes 5 having the same number as the upper mounting blind holes 4, connecting bolts 6 are arranged in the upper mounting blind holes 4 and the lower mounting blind holes 5, and the upper connecting plate 2 passes through the upper mounting blind holes. The connecting bolt 6 in the hole 4 is connected with an annular upper fixing plate 7, and the lower connecting plate 3 is conne...

Embodiment 2

[0044] Such as image 3 and Figure 4 As shown, the difference between it and Embodiment 1 is that: the outer surface of the outer metal layer 12 is provided with a piezoluminescent material layer 9, and the outer side of the lower connecting plate 3 is provided with an annular extension part 10, and on the extension part 10 A pair of high-definition monitoring cameras 14 for monitoring whether the piezoluminescent material layer 9 emits light and changes color is arranged symmetrically, and the high-definition monitoring cameras 14 are connected to the monitoring platform through a wireless transceiver.

[0045] In this embodiment, in order to be able to judge the relative movement between the lower end of the GIS bushing and the upper end of the transformer riser by observing the deformation of the bellows body, a piezoluminescent material layer is arranged on the outer surface of the outer metal layer. An annular extension part is arranged on the outside of the board, and ...

Embodiment 3

[0047] Such as Figure 5 As shown, the difference between it and Embodiment 2 is that the outer ends of the inner rings of the upper fixing plate 7 and the lower fixing plate 8 are provided with grooves 15 .

[0048] In order to facilitate the welding of the upper and lower fixing plates to the lower end of the GIS bushing and the upper end of the transformer riser respectively, grooves are provided on the outer ends of the inner rings of the upper and lower fixing plates.

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Abstract

The invention discloses a connecting device for indoor floor arrangement electrical equipment, which comprises a bellows body, an upper connecting plate and a lower connecting plate. The upper connecting plate and the lower connecting plate are identical in structure and are annular in shape, the upper connecting plate is provided with a plurality of upper mounting blind holes, the lower connecting plate is provided with a lower mounting blind hole, the upper connecting plate is connected with an annular upper fixing plate through a connecting bolt in the upper mounting blind hole, and the lower connecting plate is connected with an annular lower fixing plate through a connecting bolt in the lower mounting blind hole. The bellows body includes a damping layer, an outer metal layer bonded to the outer layer of the damping layer, and an inner metal layer bonded to the inner layer of the damping layer. The invention can avoid large initial stress inside the GIS sleeve caused by installation error, avoid large temperature stress inside the GIS sleeve, and avoid damage of the GIS sleeve caused by the relative motion between the GIS cantilever sleeve and the transformer elevating seat under the action of earthquake.

Description

technical field [0001] The invention belongs to the technical field of safety power transformation equipment, and in particular relates to a connection device for indoor floor arrangement of electrical equipment. Background technique [0002] Indoor substations have the advantages of saving land and coordinating the building appearance with the surrounding environment. In recent years, they have been more and more widely used in urban construction and development. Indoor substations usually arrange many electrical equipment on the second floor or even higher floors of the production complex building. subject to strong earthquakes. Floor electrical equipment usually includes Gas Insulated metal-enclosed Switchgear (GIS), which is filled with SF6 gas at a certain pressure as insulation protection between phases and ground. The main transformer in an indoor substation is usually arranged on the first floor, and rigid bushings are usually used to connect the GIS electrical equ...

Claims

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Application Information

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IPC IPC(8): H02G3/04
CPCH02G3/0406H02G3/0468
Inventor 孟凡斌樊庆玲宋景博陈晨谢强徐俊鑫姚晗李锦张蔚然
Owner STATE GRID CORP OF CHINA
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