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Bus conductive structure

A conductive structure and busbar technology, applied in busbar/line layout, multi-conductor connectors, etc., can solve the problems of increased manufacturing costs, difficulty in effectively improving the current carrying capacity of switchgear, and increasing the amount of connected busbars, etc., to reduce The effect of increasing the dosage, improving the current carrying capacity and increasing the flow area

Active Publication Date: 2016-10-26
SHANGHAI PINGGAO TIANLING SWITCHGEAR CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the limitation of the volume of the switchgear in the existing high-current metal-enclosed switchgear, the connecting busbars are used to connect the busbars. The copper bars commonly used for connecting the busbars are difficult to effectively improve without increasing the copper consumption of the connecting busbars. The current carrying capacity of the switchgear
At present, when domestic enterprises design switch cabinets, in order to improve the current carrying capacity of their circuits, they adopt the method of increasing the amount of copper connected to the busbar, but the amount of copper connected to the busbar is increased. Due to the requirements of the connection relationship, it is necessary to increase the busbar cross-sectional area, resulting in an increase in manufacturing cost

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0026] In embodiment one, if figure 1 , 2 As shown in , 8, the intermediate conductor 5 has two ends which are the circuit bus connection end 16 electrically connected with the circuit bus connection conductor 3 through the connection busbar group (6, 10) and the circuit bus connection conductor 4 with the circuit bus connection conductor 3 respectively. The stepped shaft structure is electrically connected to the busbar connection end 17 of the switch cabinet through the connecting busbar group (6, 10). Both the circuit bus connection end 16 and the switch cabinet bus connection end 17 are provided with regular hexagonal columns with two coaxial lines. Constituted stepped shaft structure. Screw holes are provided on each side of each of the above-mentioned regular hexagonal columns for screw connection with corresponding connecting busbars. The intermediate conductor 5 is rotatably assembled and electrically connected with a busbar hoop 8. The busbar hoop 8 is a symmetrical...

Embodiment 2

[0027] In the second embodiment, if image 3 , 4 As shown in , 9, the intermediate conductor 5 has three ends, which are the circuit bus connecting end 16 electrically connected to the circuit bus connecting conductor 3 through the connecting busbar group (6, 10) and the connecting conductor 4 connected to the switch cabinet bus. The stepped shaft structure connects the switch cabinet bus connection end 17 electrically connected to the bus bar group (6, 10) and the component connection end 18 used to electrically connect the components of the switch cabinet through the connection bus bar group, and the circuit bus connection end 16. Both the connection end 17 of the bus bar of the switch cabinet and the connection end 18 of components are provided with a stepped shaft structure composed of two regular hexagonal columns. Screw holes are provided on each side of the above-mentioned regular hexagonal columns for screw connection with corresponding connecting busbar groups (6, 10...

Embodiment 3

[0028] In the third embodiment, as Figure 5 , 6 As shown in , 10, the intermediate conductor 5 has four ends, which are the circuit bus connecting end 16 electrically connected to the circuit bus connecting conductor 3 through the connecting busbar group (6, 10), and the connecting conductor 4 connected to the switch cabinet bus. The stepped shaft structure of the switchgear is electrically connected to the switchgear busbar connection end 17 through the connection busbar group (6, 10) and the first component connection end 19 and the second component connection end 19 for electrical connection with the components of the switchgear through the connection busbar group The component connection end 20, the circuit bus connection end 16, the switch cabinet bus connection end 17, the first component connection end 19 and the second component connection end 20 are all provided with a stepped shaft structure composed of two regular hexagonal columns. Screw holes are provided on eac...

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PUM

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Abstract

The invention relates to a bus conductive structure. The bus conductive structure comprises at least one connection busbar set; each connection busbar set comprises at least two connection busbars, which are distributed along the circumferential direction; a busbar connection structure electrically connected with a bus and / or a conductive part is arranged at the end part of each connection busbar; a manner that more than two connection busbars are jointed is adopted; because of the current skin effect, namely lower current of high-frequency current is concentrated on the surface of a conductor to flow and the current in the middle of the conductor is very weak, the current can flow through the surface of the connection busbar; compared with the solid connection busbar adopted in the prior art, the bus conductive structure disclosed by the invention has the benefits that: the use amount of the connection busbars is reduced under the condition that the section area of the bus is unnecessary to change; simultaneously, the flow area of the connection busbars is increased; and the current-carrying capability of the circuit is greatly improved.

Description

technical field [0001] The invention relates to a conductive structure of a busbar. Background technique [0002] Due to the limitation of the volume of the switchgear in the existing high-current metal-enclosed switchgear, the connecting busbars are used to connect the busbars. The copper bars commonly used for connecting the busbars are difficult to effectively improve without increasing the copper consumption of the connecting busbars. The current carrying capacity of the switchgear. At present, when domestic enterprises design switch cabinets, in order to improve the current carrying capacity of their circuits, they adopt the method of increasing the amount of copper connected to the busbar, but the amount of copper connected to the busbar is increased. Due to the requirements of the connection relationship, it is necessary to increase the busbar cross-sectional area, resulting in an increase in manufacturing costs. Contents of the invention [0003] The object of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R11/03H02B1/20
CPCH01R11/03H02B1/20
Inventor 曹叶飞朱晓东柏海丰朱苏文毛承旻
Owner SHANGHAI PINGGAO TIANLING SWITCHGEAR CO LTD