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An automatic sealing pipe arrangement

An automatic sealing and pipeline technology, applied in the direction of valve device, switch device, switch device setting, etc., can solve the problems of easy misoperation, internal discharge, equipment explosion, etc., and achieve the effect of reliable sealing

Inactive Publication Date: 2006-08-30
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 automatic sealing pipeline device of the present invention, which includes three pressure chambers 5, a pressure (density) monitoring meter 3, an automatic sealing meter head 4 and a connecting valve. The connecting valves 1 and 2 are arranged in opposite directions at the inflation end of the device, and the connecting valves 6 and 7 are arranged in opposite directions at the pipe connection of the pressure chamber. During the 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 connecting 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. Both the valve seat 8 and the valve sleeve 9 have channels, and the valve sleeve is engaged with the side of the valve seat An axial sealing ring 14 is provided at the position, an en...

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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] Currently, SF is widely used in high-voltage power systems 6 Gas Circuit Breaker (Gas Circuit Breaker abbreviation 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 the excellent and expensive SF6 gas as insulation and Arc extinguishing medium. GCB or GIS is usually composed of multiple pressure chambers (GCB's pole-to-pole; GIS's electrical components-electrical components). In normal operation, the gas chambers with the same pressure (density) value are connected to each other by a gas circuit joint. The pressure system is easy to monitor. However, during maintenance and overhaul, it is only neces...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F17D1/04F16K17/06H02B13/035
Inventor 胡明聪陆植森
Owner GUANGZHOU BAIYUN ELECTRIC EQUIP
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