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An automatic sealing pipe arrangement

An automatic sealing and pipeline technology, applied in switchgear, switchgear settings, electrical components, etc., can solve the problems of easy misoperation, internal discharge, and inability to find, and achieve the effect of reliable sealing

Inactive Publication Date: 2004-11-17
GUANGZHOU BAIYUN ELECTRIC EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the overhaul is completed and the SF6 gas is refilled, the valve of a certain pressure chamber is closed without filling it with SF 6 Gas, the monitoring meter of the entire pressure system shows that the pressure is normal and correct, so it is very easy to misoperate and cannot be found
If power transmission is resumed, SF is not charged 6 There will be internal discharge in the gas chamber of the gas, and even a major accident of equipment explosion

Method used

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Examples

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Embodiment Construction

[0021] Figure 1 ~ Figure 4 Shown is an embodiment of the self-sealing pipeline device of the present invention, including three pressure chambers 5, a pressure (density) monitoring gauge 3, a self-sealing meter head 4 and a connecting valve. The connecting valves 1 and 2 are reversed and located at the inflation end of the device, and the connecting valves 6 and 7 are reversed and located at the pipeline connection of the pressure chamber. During normal commissioning or operation of gas-insulated power equipment, each pressure chamber is connected to form one or more large-pressure systems.

[0022] Such as figure 2 As shown, the connection valve includes a valve seat 8, a valve sleeve 9, an upper valve core 10, a lower valve core 11, a spring 12 and a nut 13. The valve seat 8 and the valve sleeve 9 both have channels, and the valve sleeve is engaged with the side of the valve seat. An axial sealing ring 14 is arranged at the place, an end face sealing ring 15 is arranged ...

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PUM

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Abstract

The invention discloses a kind of automatic sealing pipe device, which at least includes two pressure rooms, a connecting valve and a pressure meter, the pressure meter is connected with the pipe, the pressure room is connected to the pipe through the connecting valve, the device has an air charging end; the connecting valve includes a valve base, a valve cover, a upper valve core body and the subjacent valve core board, the base and the cover are all have a channel, the valve base and the cover are connected together with the disengaging piece; the two cores are set on the top of the valve cover channel and the bottom of the valve base channel through springs, the correspondent end has a supporting pole which can lead against each other. The pressure room is connected to the pipe when in normal pressure; the bidirectional automatic sealing can be realized when needing to disengage the pressure room. The invention is easy to be assembly and examined, it can avoid from error operation, prevents the accidence.

Description

technical field [0001] The invention relates to a sealed pipeline device for power system control and protection equipment, in particular to an automatic sealed pipeline device in gas-insulated power equipment. Background technique [0002] At present, high voltage power system widely adopts SF 6 Gas Circuit Breaker (Gas Circuit Breaker abbreviated as GCB) or Gas Insulated meta-enclosed Switchgear (Gas Insulated meta-enclosed Switchgear hereinafter abbreviated as GIS) is used as the control and protection equipment of the power system. They use SF6 gas with excellent performance and expensive as insulation and Arc extinguishing medium. GCB or GIS is usually composed of multiple pressure chambers (the pole-to-pole space of GCB; the electrical component-to-electrical component space of GIS), and the gas chambers with the same pressure (density) value during normal operation are connected to each other by gas path joints to form a large pressure system for easy monitoring. H...

Claims

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Application Information

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IPC IPC(8): H02B13/035
Inventor 胡明聪陆植森
Owner GUANGZHOU BAIYUN ELECTRIC EQUIP
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