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Pole for vacuum circuit breaker and its vacuum circuit breaker

A technology for vacuum circuit breakers and poles, which is applied to high-voltage air circuit breakers, circuits, high-voltage/high-current switches, etc., and can solve the problems of pole service life and reliability, limited heat dissipation, etc.

Active Publication Date: 2020-06-12
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ability to dissipate heat in this way is limited and will affect the service life and reliability of the pole

Method used

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  • Pole for vacuum circuit breaker and its vacuum circuit breaker
  • Pole for vacuum circuit breaker and its vacuum circuit breaker
  • Pole for vacuum circuit breaker and its vacuum circuit breaker

Examples

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Embodiment Construction

[0038] In order to have a clearer understanding of the technical features, purposes and effects of the invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals represent the same parts.

[0039] In this article, "schematic" means "serving as an example, example or illustration", and any illustration or implementation described as "schematic" should not be interpreted as a more preferred or more advantageous Technical solutions.

[0040] figure 1 is an axonometric sectional view of a schematic embodiment of a pole for a vacuum circuit breaker, figure 2 for along figure 1 The sectional view of II-II, image 3 for figure 1 The three-dimensional exploded schematic diagram of the pole shown, Figure 4 for figure 1 A perspective view of the pole shown, figure 1 The cutting position of figure 2 Shown in III-III. As shown in the figure, the pole includes a ...

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PUM

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Abstract

The invention relates to a pole for a vacuum circuit breaker, which comprises a shell, a vacuum arc-extinguishing chamber, a conductive clamp, a lower outlet wire base, a first heat dissipation memberand a first air passage, wherein the shell is provided with an upper accommodating cavity and a lower accommodating cavity; the vacuum arc-extinguishing chamber is arranged in the upper accommodatingcavity and provided with a static contact and a moving contact; the conductive clamp is arranged in the lower accommodating cavity and fixed with the moving contact; the lower outlet wire base penetrates through the shell at the circumferential side of the pole and is connected with the conductive clamp through a soft connector; the first heat dissipation member is fixed with the conductive clampand arranged at one side of the lower outlet wire base; and the first air passage is arranged at the junction of the upper accommodating cavity and the lower accommodating cavity, corresponds to thefirst heat dissipation member and enables the air entering the lower accommodating cavity to perform heat exchange at the first heat dissipation member and then leaves the lower accommodating cavity through the first air passage. The lateral heat dissipation ability of the pole is improved through setting the first heat dissipation member and the first air passage. In addition, the invention further provides a vacuum circuit breaker comprising the pole.

Description

technical field [0001] The invention relates to poles, especially poles for vacuum circuit breakers. In addition, the present invention also relates to a vacuum circuit breaker using such poles. Background technique [0002] Pole poles for vacuum circuit breakers usually have an insulating housing. The housing houses a vacuum interrupter. Usually, vacuum circuit breakers are placed in electrical switchgear to open or close circuits. During the operation of the electrical switchgear, the moving contacts of the vacuum interrupter generate a lot of heat, so it is necessary to dissipate heat through the channels provided on the housing. This method has a limited heat dissipation capability and will affect the service life and reliability of the pole. Contents of the invention [0003] The purpose of the present invention is to provide a pole used for a vacuum circuit breaker, the heat dissipation performance of the moving contact of the vacuum interrupter is better. The p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H33/66
CPCH01H33/6606H01H2033/6613
Inventor 陈思彦王彬刘畅
Owner SIEMENS AG
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