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Small-sized vacuum ring main unit

A ring main unit, vacuum technology, applied in the direction of switchgear, electrical components, switchgear settings, etc., can solve the problem of insulation partition damp, insulation aging, etc., to increase creepage distance, stable grounding performance, compact structure Effect

Active Publication Date: 2017-05-17
CHINT ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a miniaturized vacuum ring network cabinet with high strength, compact structure, safety and reliability, which solves the gap between the three-phase poles of the vacuum switch assembly and the insulation The partition will have problems of moisture and insulation aging

Method used

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  • Small-sized vacuum ring main unit
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Embodiment Construction

[0021] In order to make the present invention more comprehensible, preferred embodiments are described in detail below with accompanying drawings.

[0022] The invention is a miniaturized vacuum ring network cabinet, such as Figure 1-Figure 3 As shown, it consists of a G-shaped housing 1 , an improved vacuum switch assembly 3 , a cable connection assembly 17 , a secondary component wiring module 12 and a primary busbar assembly 4 . The internal space of the G profile shell 1 is divided into three compartments according to the function and purpose: the instrument room A, the bus bar room B, and the switch cable room C. The bus bar room B is located at the rear upper part of the G profile shell 1, and the instrument room A is located in the G profile shell. 1, the switch cable chamber C is located in the middle and lower part of the G profile housing 1, and the compartments are completely separated by partitions. The partition 5 between the busbar chamber B and the switch cabl...

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Abstract

The invention discloses a small-sized vacuum ring main unit. The small-sized vacuum ring main unit comprises a G profile shell, wherein the internal space of the G profile shell is divided into three isolation rooms, including an instrument room, a bus room and a switch cable room based on functions; the isolation rooms are completely isolated by isolation plates; the isolation plate between the bus room and the switch cable room is a pulling-inserting type metal isolation plate assembly; a secondary element wiring module is arranged in the instrument room; an improved vacuum switch assembly and a cable connecting assembly connected with the improved vacuum switch assembly are arranged in the switch cable room; a primary bus assembly is arranged in the bus room; the primary bus assembly is connected with the improved vacuum switch assembly; and a secondary wiring port of the improved vacuum switch assembly is connected with the secondary element wiring module. The small-sized vacuum ring main unit has the advantages that the polar pole of the improved vacuum switch assembly is a solid-sealed polar pole, and an insulating base is added in the middle part of the polar pole, so that the creepage distance of the product is enlarged; and the metal isolation plates are stable in grounding performance.

Description

technical field [0001] The invention relates to a miniaturized vacuum ring network cabinet, which belongs to the technical field of medium-voltage complete switchgear. Background technique [0002] The vacuum ring network cabinet is composed of a vacuum switch assembly, a cabinet body, a primary main circuit module and a secondary component wiring module. The vacuum switch assembly is fixed on the cabinet with screw fasteners. The internal compartments of the ring network cabinet are divided into three compartments: the busbar room, the low-voltage room, and the switch cable room according to the purpose. The compartments are separated by partitions, and the partition between the busbar room and the switch cable room is an insulating partition. There are two main problems: 1. Since there are two gaps between the three-phase poles of the vacuum switch assembly, it is very difficult to make and install the insulating partition, which is not conducive to quick production; 2. W...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/00H02B13/035H02B13/045
CPCH02B13/005H02B13/0352H02B13/0354H02B13/045
Inventor 黄小军叶斌杨益朱斌
Owner CHINT ELECTRIC
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