CN110410661A - A kind of quick making-up air device of sulfur hexafluoride gas insulation equipment - Google Patents
A kind of quick making-up air device of sulfur hexafluoride gas insulation equipment Download PDFInfo
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- CN110410661A CN110410661A CN201910702814.2A CN201910702814A CN110410661A CN 110410661 A CN110410661 A CN 110410661A CN 201910702814 A CN201910702814 A CN 201910702814A CN 110410661 A CN110410661 A CN 110410661A
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- Prior art keywords
- sulfur hexafluoride
- gas
- air bag
- sealing sleeve
- air
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/03—Orientation
- F17C2201/032—Orientation with substantially vertical main axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/056—Small (<1 m3)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/035—High pressure (>10 bar)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
- F17C2225/035—High pressure, i.e. between 10 and 80 bars
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/01—Propulsion of the fluid
- F17C2227/0128—Propulsion of the fluid with pumps or compressors
- F17C2227/0135—Pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/05—Applications for industrial use
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The invention discloses a kind of quick making-up air devices of sulfur hexafluoride gas insulation equipment, including gas tank and it is placed in the waste gas collection device that gas tank lower part can actively be aspirated, the blowdown pipe that gas tank is equipped with as sulfur hexafluoride gas insulation equipment tonifying Qi, pressure reducing valve is installed on blowdown pipe, blowdown pipe outer cover is equipped with sealing sleeve pipe, sealing sleeve pipe free end is equipped with outer cover, one end face closure sealing sleeve pipe of outer cover, the groove body for being recessed and needing tonifying Qi equipment intake port shape to match in the middle part of another end face, the through-hole passed through for blowdown pipe is equipped in the middle part of groove body, the suction hole for circularizing array arrangement is additionally provided with around through-hole；Sealing sleeve pipe one end is communicated with exhaust tube, and exhaust tube is connected to the waste gas collection device that can be actively aspirated.The present invention avoids the generation of unit exception, power outage, improves power supply reliability, have very much promotional value by preventing the leakage of sulfur hexafluoride gas, tonifying Qi process being enabled to go on smoothly in interface setting structure cleverly air extractor.
Description
Technical field
The present invention relates to electrical equipment technical field, in particular to a kind of quick tonifying Qi dresses of sulfur hexafluoride gas insulation equipment
It sets.
Background technique
With economic sustainable growth, the grid equipment in China is just rapidly developed.In recent years, State Grid Corporation of China whole world energy
The construction of source interconnection net accelerates, and promotes SF6Equipment due to its is compactness, reliability, it is stable the features such as, in substation
220kV, 110kV and 35kV voltage class are widely applied.SF6Equipment manufacturer is more, and device model is various, and mainstream is raw at present
Producing producer has the flat height in Henan is electrical, the new northeast in Shenyang is electrical, Shandong is safe to open electrical, Shanghai Si Yuan is electrical etc..And current each producer
Equipment interface specification disunity, causes a kind of SF6The situation of equipment one kind tonifying Qi connector.
Traditional making-up air device includes SF6Gas cylinder, tonifying Qi connector, pressure reducing valve, blowdown pipe etc., service personnel mends to equipment
When gas, tonifying Qi connector must be matched with device junction, to guarantee that air compensating system has good air-tightness.And reality at the scene
In operation, after the completion of tonifying Qi, during extracting device junction, sulfur hexafluoride gas leakage, sulfur hexafluoride are inevitably had
Gas can decomposite fluorination sulfurous acid, fluorination sulfuric acid, ten fluorination two sulphur, sulfur dioxide, fluorine when generating corona discharge in the electric field
Change nearly ten kinds of gases such as sulphur, hydrofluoric acid.These fluorine, sulfide gas are not only toxic, and are much also corrosive.Such as aluminium is closed
The insulating materials such as gold, porcelain insulator, glass epoxy resin can damage their structure；Have to human body and respiratory system strong
Stimulation and toxic action.Therefore, how after the completion of tonifying Qi, in bond process of choosing, sulfur hexafluoride gas is avoided to leak, is urgently
Problem to be solved.
Summary of the invention
The purpose of the present invention is to provide one kind after the completion of tonifying Qi, and in bond process of choosing, sulfur hexafluoride will not occur
Gas leakage, the quick making-up air device for sulfur hexafluoride gas insulation equipment.
The present invention is achieved through the following technical solutions: a kind of quick making-up air device of sulfur hexafluoride gas insulation equipment, including
Gas tank is equipped with the waste gas collection device that gas tank lower part can actively be aspirated, the gas tank is placed in as sulfur hexafluoride gas-insulating
The blowdown pipe of equipment tonifying Qi, pressure reducing valve is equipped on the blowdown pipe, and blowdown pipe outer cover is equipped with sealing sleeve pipe, the sealing shroud
Pipe free end is equipped with outer cover, one end face closure sealing sleeve pipe of the outer cover, another end face middle part is recessed and needs tonifying Qi
The groove body that equipment intake port shape matches, the groove body middle part are equipped with the through-hole passed through for blowdown pipe, are additionally provided with around through-hole
Circularize the suction hole of array arrangement；Sealing sleeve pipe one end is communicated with exhaust tube, the exhaust tube with can actively be aspirated
Waste gas collection device connection.
The working principle of the technical scheme is as follows being socketed one section of sealing sleeve pipe in the external of blowdown pipe, sealing sleeve pipe is connected with
Exhaust tube, exhaust tube and waste gas collection device, waste gas collection device have the function of suction, are able to maintain in sealing sleeve pipe and keep
Negative pressure state, the sealing sleeve pipe other end are connected with outer cover, when carrying out sulfur hexafluoride gas supplement to insulator arrangement using blowdown pipe,
Outer cover is socketed in the outside of insulator arrangement air inlet, and blowdown pipe passes through the through-hole in the middle part of outer cover, connects with the air inlet of insulator arrangement
It connects.Due to being negative pressure state in sealing sleeve pipe, the absorption of gas can be constantly carried out by the suction hole covered outside, is being extracted
When blowdown pipe, in the suction hole suction seal casing that the sulfur hexafluoride gas of leakage can be covered outside, eventually by exhaust tube into
Enter waste gas collection device, the exhaust gas that waste gas collection device is collected is purified again finally, obtains pure sulfur hexafluoride gas.
To better implement the present invention, further, the waste gas collection device is mainly by being placed in gas tank lower inside
Second air bag, and the aspiration pump being mounted below gas tank are constituted；The gas tank inner upper, which is provided with, is loaded with pure hexafluoro
Change the first air bag of sulphur gas, first air bag and the second air bag are in close contact；The aspiration pump is connected to the second air bag, is taken out
Gas in sealing sleeve pipe is pumped into the second air bag by exhaust tube and is stored by air pump.
To better implement the present invention, further, the opening outside gas tank is extended equipped with control in first air bag top
Valve processed, the control valve are the triple valve that top is provided with knob handle, and lower valve port is connect with the first air bag opening, and left valve port connects
It is connected to the barometer of air pressure in the first air bag of display, right valve port is connect with blowdown pipe.
To better implement the present invention, further, the outer cover and seal sleeve are connected through a screw thread sealing shroud
Cylinder inner sealing.
To better implement the present invention, further, it is additionally provided with pedestal below the gas tank, the aspiration pump is placed in bottom
Seat is internal, and the control switch of aspiration pump is placed in susceptor surface.
To better implement the present invention, further, on-off valve is additionally provided on the exhaust tube.
Compared with prior art, the present invention have the following advantages that and the utility model has the advantages that
(1) present invention by that can prevent letting out for sulfur hexafluoride gas in interface setting structure cleverly air extractor completely
Dew, enables tonifying Qi process to go on smoothly, and avoids the generation of unit exception, power outage, improves power supply reliability；
(2) present invention is by ingehious design waste gas collection device, so that the exhaust gas collected is the defeated of intratracheal sulfur hexafluoride gas
Stable air pressure is kept out, can make full use of sulfur hexafluoride gas all in gas tank, improves sulfur hexafluoride gas in gas tank
The utilization rate of body in a disguised form improves the tonifying Qi time, improves work efficiency；
(3) the configuration of the present invention is simple, design is rationally, easy to use, completes in insulator arrangement tonifying Qi, in bond process of choosing, no
Sulfur hexafluoride gas leakage can occur, there is promotional value very much.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other features of the invention,
Objects and advantages will become apparent:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the cross-sectional view of part-structure of the present invention；
Fig. 3 is the enlarged structure schematic diagram of part-structure of the present invention.
Wherein: 1-gas tank, 2-control valves, 3-barometers, 4-pressure reducing valves, 5-sealing sleeve pipes, 6-blowdown pipes, 7-
Outer cover, 8-exhaust tubes, the 9-the first air bag, 10-aspiration pumps, the 11-the second air bag.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It is also possible to be connected directly, is also possible to indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1:
The primary structure of the present embodiment, such as Fig. 1 shown in Fig. 3, including gas tank 1 and are placed in what 1 lower part of gas tank can actively be aspirated
Waste gas collection device, the blowdown pipe 6 that the gas tank 1 is equipped with as sulfur hexafluoride gas insulation equipment tonifying Qi are pacified on the blowdown pipe 6
Equipped with pressure reducing valve 4,6 outer cover of blowdown pipe is equipped with sealing sleeve pipe 5, and 5 free end of sealing sleeve pipe is equipped with outer cover 7, the outer cover 7
One end face closure sealing sleeve pipe 5, the slot for being recessed and needing tonifying Qi equipment intake port shape to match in the middle part of another end face
Body, the groove body middle part are equipped with the through-hole passed through for blowdown pipe 6, are additionally provided with the suction hole for circularizing array arrangement around through-hole；
5 one end of sealing sleeve pipe is communicated with exhaust tube 8, and the exhaust tube 8 is connected to the waste gas collection device that can be actively aspirated.
Specific embodiment is that, when carrying out sulfur hexafluoride gas supplement to insulator arrangement, outer cover 7 is fixed on sealing sleeve pipe
5 one end, blowdown pipe 6 are placed in sealing sleeve pipe 5, and are stretched out from the through-hole at 7 middle part of outer cover, blowdown pipe 6 and seal air inlet
Connection, seal air inlet are socketed in the groove of outer cover 7, and seal carries out the supplement of sulfur hexafluoride gas, at this point, can
Not start waste gas collection device (also can star)；After the completion of seal supplements sulfur hexafluoride gas, starting exhaust gas is received
Acquisition means (start always, then without starting) as before, and waste gas collection device has the function of intake-gas and storage exhaust gas, this
When, waste gas collection device is collected to be made to keep negative pressure state inside sealing sleeve pipe 5 by exhaust tube 8, and the suction hole of outer cover 7 starts to inhale
Getter body disconnects the air inlet of blowdown pipe 6 and insulator arrangement, the leakage of sulfur hexafluoride gas, the air-breathing of outer cover 7 can occur at this time
Then mouth can suck waste gas collection device through exhaust tube 8 in the sulfur hexafluoride gas suction seal casing 5 of leakage.After disconnection,
Persistently 10 ~ 20s of absorption is the leakage that can avoid sulfur hexafluoride gas.If persistently starting waste gas collection device, six can be also reduced
The risk of sulfur fluoride gas leakage.
Embodiment 2:
The present embodiment on the basis of the above embodiments, further limits waste gas collection device, as shown in Fig. 2, the exhaust gas
Collection device is mainly by being placed in the second air bag 11 of 1 lower inside of gas tank, and is mounted on 10 structure of aspiration pump of 1 lower section of gas tank
At；1 inner upper of gas tank is provided with the first air bag 9 for being loaded with pure sulfur hexafluoride gas, first air bag 9 and
Two air bags 11 are in close contact；The aspiration pump 10 is connected to the second air bag 11, and aspiration pump will be in sealing sleeve pipe 5 by exhaust tube 8
Gas be pumped into storage in the second air bag 11.
Aspiration pump 10 is that sealing sleeve pipe 5 provides negative pressure state by exhaust tube 8, and seal sleeve 5 is enabled to pass through outer cover 7
Suction hole constantly absorb the sulfur hexafluoride exhaust gas (sulfur hexafluoride gas for being mixed with air) of leakage, and it is stored in second
In air bag 11.Second air bag 11 and the first air bag 9 are in close contact, in the sulfur hexafluoride exhaust gas of the second air bag 11 sucking leakage,
Second air bag 11 expands and oppresses the first air bag 9, so that the first air bag 9 was after supplementing gas for insulator arrangement, moreover it is possible to keep
Relatively stable gas output pressure.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 3:
The present embodiment on the basis of the above embodiments, further adds control valve 2, as shown in Figure 1, first air bag 9
The opening outside gas tank 1 is extended equipped with control valve 2 in top, and the control valve 2 is the triple valve that top is provided with knob handle, under
Valve port and the first air bag 9 opening connect, and left valve port is connected with the barometer 3 of air pressure in the first air bag 9 of display, right valve port and tonifying Qi
Pipe 6 connects.Control valve 2 is mainly that the pure sulfur hexafluoride gas controlled in the first air bag 9 passes through blowdown pipe 6 to insulator arrangement
Carry out the supplement of gas.It is preferred that setting triple valve for control valve, which is equipped with the rotation of control gas output pressure
Handle is twisted, left valve port has the barometer 3 of display gas output pressure, the right direct output gas of valve port, lower part valve port connection first
Air bag 9.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 4:
The present embodiment on the basis of the above embodiments, further defines the connection type of outer cover 7 Yu seal sleeve 5, institute
State being connected through a screw thread 5 inner sealing of seal sleeve for outer cover 7 and seal sleeve 5.Outer cover 7 and seal sleeve 5 pass through screw thread
Connection, be for convenience disassembly outer cover, can close encapsulation sleeve 5, also facilitate outer cover 7 dismantle other movable connection methods
It can choose.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 5:
The present embodiment on the basis of the above embodiments, is further additionally arranged pedestal, as shown in Fig.1 and Fig.2, under the gas tank 1
Side is additionally provided with pedestal, and the aspiration pump 10 is placed in chassis interior, and the control switch of aspiration pump 10 is placed in susceptor surface.It adds
Pedestal, be in order to make aspiration pump 10 and gas tank 1 formed one it is complete fixed whole, using and handling process in it is also more square
Just.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
Embodiment 6:
The present embodiment on the basis of the above embodiments, further adds 8 on-off control device of exhaust tube, on the exhaust tube 8
It is additionally provided with on-off valve.Without keeping negative pressure state in seal sleeve 5, aspiration pump 10 in starting state, can pass through again
Exhaust tube 8 is truncated in on-off valve.The other parts of the present embodiment are same as the previously described embodiments, repeat no more.
It is understood that making-up air device structure according to an embodiment of the invention, such as barometer 3 and pressure reducing valve 4
The working principle and the course of work of equal components are all the prior arts, and are well known to those skilled in the art, here just no longer
It is described in detail.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments by being detached under the principle of the present invention and objective, of the invention
Range is defined by the claims and their equivalents.
Claims (6)
1. a kind of quick making-up air device of sulfur hexafluoride gas insulation equipment, which is characterized in that including gas tank (1) and be placed in gas tank
(1) waste gas collection device that lower part can actively be aspirated, it is sulfur hexafluoride gas insulation equipment tonifying Qi that the gas tank (1), which is equipped with,
Blowdown pipe (6), be equipped with pressure reducing valve (4) on the blowdown pipe (6), blowdown pipe (6) outer cover is equipped with sealing sleeve pipe (5), institute
Sealing sleeve pipe (5) free end is stated equipped with outer cover (7), one end face closure sealing sleeve pipe (5) of the outer cover (7), another end face
The groove body that middle part is recessed and needs tonifying Qi equipment intake port shape to match, the groove body middle part are equipped with logical for blowdown pipe (6)
The through-hole crossed is additionally provided with the suction hole for circularizing array arrangement around through-hole；Sealing sleeve pipe (5) one end is communicated with exhaust tube (8),
The exhaust tube (8) is connected to the waste gas collection device that can be actively aspirated.
2. the quick making-up air device of a kind of sulfur hexafluoride gas insulation equipment according to claim 1, which is characterized in that described
Waste gas collection device is mainly by being placed in second air bag (11) of gas tank (1) lower inside, and is mounted on the pumping below gas tank (1)
Air pump (10) is constituted；Gas tank (1) inner upper is provided with the first air bag (9) for being loaded with pure sulfur hexafluoride gas, institute
The first air bag (9) and the second air bag (11) are stated to be in close contact；The aspiration pump (10) is connected to the second air bag (11), and aspiration pump is logical
It crosses exhaust tube (8) and the gas in sealing sleeve pipe (5) is pumped into storage in the second air bag (11).
3. the quick making-up air device of a kind of sulfur hexafluoride gas insulation equipment according to claim 2, which is characterized in that described
The opening of gas tank (1) outside is extended equipped with control valve (2) in first air bag (9) top, and the control valve (2) is that top is provided with rotation
The triple valve of button handle, lower valve port and the first air bag (9) opening connect, and left valve port is connected with display the first air bag (9) interior air pressure
Barometer (3), right valve port connect with blowdown pipe (6).
4. the quick making-up air device of a kind of sulfur hexafluoride gas insulation equipment according to claim 3, which is characterized in that described
Outer cover (7) is connected through a screw thread with seal sleeve (5) by seal sleeve (5) inner sealing.
5. the quick making-up air device of a kind of sulfur hexafluoride gas insulation equipment according to claim 1 or 2, which is characterized in that
It is additionally provided with pedestal below the gas tank (1), the aspiration pump (10) is placed in chassis interior, and the control switch of aspiration pump (10)
It is placed in susceptor surface.
6. the quick making-up air device of a kind of sulfur hexafluoride gas insulation equipment according to claim 1 or 2, which is characterized in that
On-off valve is additionally provided on the exhaust tube (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702814.2A CN110410661B (en) | 2019-07-31 | 2019-07-31 | Quick air supplement unit of sulfur hexafluoride gas insulation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910702814.2A CN110410661B (en) | 2019-07-31 | 2019-07-31 | Quick air supplement unit of sulfur hexafluoride gas insulation equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| JPH0532298A (en) * | 1991-07-18 | 1993-02-09 | Tokico Ltd | Oil feeder |
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