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Distributing fireproof wall structure

A firewall and strong wall technology, applied in the direction of switchgear, switchgear setting, substation/switchgear board/panel/desk, etc., can solve the problems of low manufacturing and use cost, long service life, leakage environment, etc., to achieve The effect of low cost, high protection level and low welding process requirements

Active Publication Date: 2007-11-21
QINGDAO TGOOD ELECTRIC
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the fact that the existing inflatable cabinets cannot realize the real sense of the high-voltage components are completely placed in the airtight box filled with gas, and the gas filled is all inert gas, leakage will cause environmental pollution, and it is not easy to recycle and other defects, a new power distribution firewall structure device is proposed, which is small in size, light in weight, and simple in structure. The high-voltage components are completely installed in a gas-filled sealed welding cabinet, and it has high reliability, no pollution, and is easy to manufacture and use. Low cost and long service life

Method used

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  • Distributing fireproof wall structure

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Embodiment Construction

[0009] As shown in Figure 1, 1 in the figure is an inflatable cabinet, 2 is an ISM permanent magnet mechanism vacuum circuit breaker, 3 is a voltage transformer, 4 is a current transformer, and 5 is a grounding switch. Among them, the inflatable cabinet 1 is a welded stainless steel box, and the dry air is filled in the inflatable cabinet 1. The method of realizing the dry air is: only need to put a desiccant in the natural air in the inflatable cabinet 1, and the air in the cabinet can be realized. Gas drying. Since the air pressure inside and outside the inflatable cabinet is the same, there is no need to install pressure indicators and other equipment in the inflatable cabinet, and the welding process is non-pressure vessel welding, so the welding process requirements are not as high as those required for inflatable cabinets filled with inert gases such as SF6. , reducing its manufacturing cost. ISM permanent magnet mechanism vacuum circuit breaker 2 is small in size, ligh...

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Abstract

This is distribution fair wall structure including a airhouse, breaker, disconnecting switch, voltage transformer and current transformer, with the breaker, disconnecting switch, voltage transformer and current transformer installed in the airhouse.

Description

technical field [0001] The invention relates to high-voltage power distribution equipment, in particular to a power distribution firewall structure device. Background technique [0002] At present, in the commonly used inflatable cabinets at home and abroad, in order to prevent the load switch or circuit breaker operating mechanism from being unable to be repaired when it fails, the load switch or circuit breaker operating mechanism is usually set outside the inflatable cabinet. High-voltage components such as busbars, circuit breakers, isolating switches, transformers, etc. are sealed in the shell of the inflatable cabinet, which occupies a large area. [0003] In addition, at present, the inflatable gas in the inflatable cabinet is generally an inert gas such as SF6. The extensive use of SF6 and other gases in switchgear has promoted the rapid development of the switch manufacturing industry. However, SF6 gas decomposes to form low-fluoride sulfur compounds during arc dis...

Claims

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Application Information

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IPC IPC(8): H02B13/035H02B1/04
Inventor 于德翔屈东明孙福鹏郭宪年王克业
Owner QINGDAO TGOOD ELECTRIC
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