CN103486440A - Rapid vacuum pumping and gas filling recycling connecting device, vacuum pumping method and gas filling method - Google Patents
Rapid vacuum pumping and gas filling recycling connecting device, vacuum pumping method and gas filling method Download PDFInfo
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- CN103486440A CN103486440A CN201310435829.XA CN201310435829A CN103486440A CN 103486440 A CN103486440 A CN 103486440A CN 201310435829 A CN201310435829 A CN 201310435829A CN 103486440 A CN103486440 A CN 103486440A
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- Prior art keywords
- ball valve
- outlet end
- inflation
- slotware
- equipment
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- 238000005086 pumping Methods 0.000 title claims abstract description 13
- 238000004064 recycling Methods 0.000 title abstract 4
- 238000003825 pressing Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 38
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- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,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 O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
Abstract
The invention discloses a rapid vacuum pumping and gas filling recycling connecting device, a vacuum pumping method and a gas filling method. The rapid vacuum pumping and gas filling recycling connecting device comprises a cross connecting body and an SF6 equipment connecting piece used for connecting with SF6 equipment, wherein the cross connecting body comprises a cross pipe, connecting pipes, two connecting groove pieces, two connecting plugs and two ball valves; the cross pipe comprises four outlet ends; the first outlet end is connected with a first ball valve; the first ball valve is connected with a first connecting groove piece through the connecting pipe; a second outlet end is connected with a second connecting groove piece; a third outlet end is connected with a first connecting plug; a fourth outlet end is connected with a second ball valve; the second ball valve is connected with a second connecting plug through the connecting pipe. The rapid vacuum pumping and gas filling recycling connecting device, the vacuum pumping method and the gas filling method have the advantages that the universality is good, the connection and operation are simple, fast and convenient, and pipelines can be protected from damp.
Description
Technical field
The present invention relates to a kind of rapid vacuumizing and inflation and reclaim connection set, especially a kind ofly be applicable to rapid vacuumizing and inflation that electric substation's SF6 equipment vacuumizes or inflate and reclaim connection set, vacuum pumping method and inflation method.
Background technique
Electric substation trends towards without the oiling development at present, and electric substation's inner breaker mostly is vacuum circuit breaker, SF
6circuit breaker, wherein SF
6the insulating property that breaker apparatus is good with it, corrosion protection and nontoxic performance have occupied the breaker apparatus leading position more than 35kV.Along with SF
6application development, gas-filled type rheology the universal and GIS of electric substation the extensive use of HGIS, SF6 inflation, gas reclaim, the test of micro-water all needs the inflation/deflation connection set.
Use existing SF
6mainly there is following problem in filling apparatus venting connection set:
1) existing SF
6filling apparatus means of deflation model is many, all kinds of numerous and diverse, the product joint that different manufacturers is produced can not be general, even same producer also adopts the joint of different model sometimes, inflation/deflation joint, the pipeline of different manufacturers installed, overhauls, need to be carried while testing to each equipment, is not easy to the repair and maintenance of equipment;
2) adopt of the existing joint used is threaded more, and the sealing gasket Reusability easily damages, loses, and joint easily leaks gas, can not reach the sealing effect that vacuumizes requirement, part clamping pipeline and inipple coordinate bad, and connection device wants the connecting leg road to rotate together, wastes time and energy;
3) existing SF
6the gas ducting thickness that the filling apparatus means of deflation is used differs, and quality differs greatly, and some producers even replace with the plastics oxygen hose, and a lot of crackles of microscler one-tenth of time one, cause potential safety hazard;
4) in addition, general producer gas ducting is not all sealed, and while depositing after use, easily makes moist, and while re-using, easily brings the moisture in pipeline into SF
6equipment, make SF
6apparatus insulated level descends accidents caused.
Summary of the invention
The present invention is the deficiency existed in above-mentioned prior art for avoiding, and provides a kind of rapid vacuumizing and inflation to reclaim connection set, vacuum pumping method and inflation method, so that SF
6equipment in the situation that do not change existing interface, realizes that total interface is general, fills, atmospheric pipe is provided with selfsealings, guarantees to fill, atmospheric pipe inside is isolated from the outside, and prevents that pipe interior from making moist.
The present invention be the technical solution problem by the following technical solutions.
Connection set is reclaimed in rapid vacuumizing and inflation, and its structural feature is, comprise the cross connecting body and for SF
6the SF that equipment is connected
6the equipment connection part; Described cross connecting body comprises cross tee, connecting tube, two connections slotware, two attachment plugs and two ball valves; Described cross tee includes four outlet end, and described four outlets are respectively the first outlet end, the second outlet end, the 3rd outlet end and the 4th outlet end; Two connection slotwares are respectively the first connection slotware and are connected slotware with second, and described two attachment plugs are respectively the first attachment plug and the second attachment plug, and described two ball valves are respectively the first ball valve and the second ball valve;
Described the first outlet end is connected with described the first ball valve, and described the first ball valve is connected slotware by connecting tube and described first and is connected; Described the second outlet end and described second is connected slotware and is connected; Described the 3rd outlet end is connected with described the first attachment plug; Described the 4th outlet end is connected with described the second ball valve, and described the second ball valve is connected with described the second attachment plug by connecting tube.
The structural feature that connection set is reclaimed in rapid vacuumizing of the present invention and inflation also is:
Described connection slotware and attachment plug are stainless steel and make.
Described SF
6the equipment connection part comprises a connecting hose and is connected in the joint at described connecting hose two ends.
The present invention also provides a kind of vacuum pumping method that utilizes above-mentioned rapid vacuumizing and inflation to reclaim connection set, comprises the steps:
Step 1: by described rapid vacuumizing and inflation, reclaim connection set by vacuum pump and SF
6electrical equipment links together; Pressure vacuum gauge is connected to second of described the second outlet end to be connected on slotware;
Step 2: the startup of pressing on vacuum pump vacuumizes button, starts the function that vacuumizes of vacuum pump;
Step 3: close the second ball valve, slowly open the first ball valve;
Step 4: continue the SF that finds time
6electrical equipment, until reach stable degree of vacuum;
Step 5: monitor the pressure value of pressure vacuum gauge, after reaching required final degree of vacuum, close the first ball valve, press stopping on vacuum pump and vacuumize button, close vacuum pump;
Step 6: check SF after the scheduled time
6the vacuum state of electrical equipment, confirmation equipment is without leakage point.
The present invention also provides a kind of inflation method that utilizes above-mentioned rapid vacuumizing and inflation to reclaim connection set, comprises the steps:
Step 1: close the first ball valve and the second ball valve;
Step 2: by described rapid vacuumizing and inflation, reclaim connection set by SF
6gas cylinder and SF
6electrical equipment links together; Pressure vacuum gauge is connected to second of described the second outlet end to be connected on slotware;
Step 3: open the second ball valve;
Step 4: open SF
6gas cylinder, regulate reduction valve to default air pressure, starts to SF
6recharge SF within electrical equipment
6gas;
Step 5: the force value of monitoring pressure vacuum gauge, when the force value of pressure vacuum gauge reaches predefined value, again close SF
6gas cylinder, complete charge operation.
Compared with the prior art, beneficial effect of the present invention is embodied in:
Connection set is reclaimed in rapid vacuumizing of the present invention and inflation, so that SF
6equipment in the situation that do not change existing interface, realizes that total interface is general fast, fills, atmospheric pipe is provided with selfsealings, guarantees to fill, atmospheric pipe inside is isolated from the outside, and prevents that pipe interior from making moist.
1) SF that can be different by configuration
6the equipment connection part makes cross connect the SF of physical efficiency for the joint that configures different model
6equipment, improved the versatility of connection set of the present invention.
2) joint adopts dongle configuration, and while having avoided the employing thread connecting mode easily to occur needing swivel joint to make connecting inconvenient, thread seal, the sealing gasket damage can cause the problems such as sealing is poor.
3) fill, atmospheric pipe is provided with selfsealings, guarantee to fill, atmospheric pipe inside is isolated from the outside, and prevents that pipe interior from making moist.
Connection set is reclaimed in rapid vacuumizing of the present invention and inflation, is particularly useful for the SF6 of electric substation equipment, has that versatility is good, an attended operation simple and fast, the advantage of can protecting pipeline not make moist etc.
The accompanying drawing explanation
Fig. 1 is the structural drawing that connection set is reclaimed in rapid vacuumizing of the present invention and inflation.
Fig. 2 is that connection set of the present invention is to SF
6electrical equipment vacuumizes or reclaims SF
6the schematic diagram of gas.
Fig. 3 is that connection set of the present invention is to SF
6the schematic diagram of electrical equipment inflation.
Fig. 4 is that connection set of the present invention is to SF
6electrical equipment is directly inflated or micro-water test schematic diagram.
Label in accompanying drawing 1～accompanying drawing 4: 1 cross tee, 11 first outlet end, 12 second outlet end, 13 the 3rd outlet end, 14 the 4th outlet end, 2 connecting tubes, 3 first connect slotware, and 4 second connect slotware, 5 first attachment plugs, 6 second attachment plugs, 7 first ball valves, 8 second ball valves, 9 SF
6the equipment connection part, 10 flexible pipes, 11 joints, 12 cross connecting bodys, 13 transit joints, 14 vacuum pumps, 15SF
6electrical equipment, 16 pressure vacuum gauges, 17SF
6gas cylinder, 18 micro-water gaging devices, 19 reduction valve 19.
Below pass through embodiment, and the invention will be further described by reference to the accompanying drawings.
Embodiment
Referring to Fig. 1～Fig. 4, connection set is reclaimed in rapid vacuumizing and inflation, it comprise cross connecting body 12 and for SF
6the SF that equipment is connected
6equipment connection part 9; Described cross connecting body 12 comprise cross tee 1, connecting tube 2, two connect slotware, two attachment plugs and two ball valves; Described cross tee 1 includes four outlet end, and described four outlets are respectively the first outlet end 11, the second outlet end 12, the 3rd outlet end 13 and the 4th outlet end 14; Two connection slotwares are respectively the first connection slotware 3 and are connected slotware 4 with second, and described two attachment plugs are respectively the first attachment plug 5 and the second attachment plug 6, and described two ball valves are respectively the first ball valve 7 and the second ball valve 8;
Described the first outlet end 11 is connected with described the first ball valve 7, and described the first ball valve 7 is connected slotware 3 by connecting tube 2 and described first and is connected; Described the second outlet end 12 and described second is connected slotware 4 and is connected; Described the 3rd outlet end 13 is connected with described the first attachment plug 5; Described the 4th outlet end 14 is connected with described the second ball valve 8, and described the second ball valve 8 is connected with described the second attachment plug 6 by connecting tube 2.
Described connection slotware and attachment plug are stainless steel and make.
Described SF
6equipment connection part 9 comprises a connecting hose 10 and is connected in the joint 11 at described connecting hose two ends.
A kind of vacuum pumping method that uses described rapid vacuumizing and inflation to reclaim connection set, comprise the steps:
Step 1: by described rapid vacuumizing and inflation, reclaim connection set by vacuum pump 14 and SF
6electrical equipment 15 links together; Pressure vacuum gauge 16 is connected to second of described the second outlet end 12 to be connected on slotware 4;
Step 2: the startup of pressing on vacuum pump 14 vacuumizes button, starts the function that vacuumizes of vacuum pump 14;
Step 3: close the second ball valve 8, slowly open the first ball valve 7;
Step 4: continue the SF that finds time
6electrical equipment 15, until reach stable degree of vacuum;
Step 5: monitor the pressure value of pressure vacuum gauge, after reaching required final degree of vacuum, close the first ball valve 7, press stopping on vacuum pump 14 and vacuumize button, close vacuum pump 14;
Step 6: check SF after the scheduled time
6the vacuum state of electrical equipment 15, confirmation equipment is without leakage point.
As Fig. 2, described vacuum pump 14 is connected to first of described the first outlet end and connects on slotware, described SF
6electrical equipment 15 is connected in the first attachment plug 5 of described the 3rd outlet end, thereby by vacuum pump 14 and SF
6electrical equipment 15 links together, and makes vacuum pump can extract SF
6sF within electrical equipment
6gas.By pressure vacuum gauge detected pressures value, determine whether to reach the purpose vacuumized.The force value detected when pressure vacuum gauge is during lower than default force value, thinks SF
6in electrical equipment in vacuum state.Then described rapid vacuumizing and inflation are reclaimed to connection set, vacuum pump 14 and SF
6the plugging position of electrical equipment 15 is pulled down.After a period of time, pass through SF
6equipment connection part 9 is connected to SF by pressure vacuum gauge
6on electrical equipment, detect SF
6the degree of vacuum of electrical equipment, if the degree of vacuum after also keeping bleeding is just thought SF
6electrical equipment is without leak point.If SF
6force value within electrical equipment is greater than certain numerical value, just thinks SF
6there is leak point in electrical equipment.
A kind of inflation method that uses described rapid vacuumizing and inflation to reclaim connection set, it comprises the steps:
Step 1: close the first ball valve 7 and the second ball valve 8;
Step 2: by described rapid vacuumizing and inflation, reclaim connection set by SF
6gas cylinder 17 and SF
6electrical equipment 15 links together; Pressure vacuum gauge 16 is connected to second of described the second outlet end 12 to be connected on slotware 4;
Step 3: open the second ball valve 8;
Step 4: open SF
6gas cylinder 17, regulate reduction valve 19 to default air pressure, starts to SF
6recharge SF within electrical equipment 15
6gas;
Step 5: the force value of monitoring pressure vacuum gauge 16, when the force value of pressure vacuum gauge 16 reaches predefined value, again close SF
6gas cylinder 17, complete charge operation.
As Fig. 3, described SF
6gas cylinder 17 is connected to the second attachment plug 6 of described the 4th outlet end, described SF by reduction valve and the air pipe that is connected slotware are set
6electrical equipment 15 is connected in the first attachment plug 5 of described the 3rd outlet end, thereby by SF
6gas cylinder 17 and SF
6electrical equipment 15 links together, and makes SF
6gas cylinder 17 can be to SF
6fill SF within electrical equipment
6gas.By pressure vacuum gauge detected pressures value, determine whether the inflation pressure that reaches default.When the force value detected when pressure vacuum gauge is not less than preset pressure value, think SF
6the inflation of electrical equipment completes.
Close SF
6gas cylinder 17, then reclaim connection set, SF by described rapid vacuumizing and inflation
6gas cylinder 17 and SF
6the plugging position of electrical equipment 15 is pulled down.After a period of time, pass through SF
6equipment connection part 9 is connected to SF by pressure vacuum gauge
6on electrical equipment, detect SF
6force value in electrical equipment, if also keep the force value after inflation, just think SF
6electrical equipment is without leak point.If SF
6force value within electrical equipment is lower than certain numerical value, just thinks SF
6there is leak point in electrical equipment, and the phenomenon of gas leakage is arranged.
As Fig. 1, described SF
6the joint at the flexible pipe two ends of equipment connection part is for connecting slotware.SF
6the equipment connection part can be according to SF
6the equipment interface configuration be equipped with on equipment, the joint at two ends can be and connects slotware or attachment plug, makes SF
6equipment can pass through SF
6the equipment connection part is connected with the cross connecting body.
The SF of electric substation
6equipment interface is generally before producer dispatches from the factory the SF that is welded on base
6on pipeline, inconvenience is changed.Can be on equipment interface the transit joint 13 of configure generic.This transit joint 13 1 ends and SF
6the inflation/deflation interface of equipment is connected, the other end and the self-packing SF of employing
6the equipment connection part is connected, and can reach the purpose of quick-make cross connecting body, timely closed conduit inside, has prevented that moisture from entering the pipe interior polluting device.Joint adopts stainless steel, thereby avoids after the copper joint of part has used of a specified duration on the market the problem that above patina can impact charge-air mass, test result.
Filling, putting SF
6during gas, liquid SF
6change gaseous state SF into
6, pressure increases, sometimes at SF
6before equipment inflation, will vacuumize, pipeline can once be subject to the pressure of 3Mpa～133.322Pa, and 4～6 meters of lengths of pipeline are advisable.Flexible pipe one end adopts self-packing quick union, with SF
6the transit joint of electrical equipment is connected.The self-packing quick union of the same employing of the flexible pipe the other end, be connected with general cross connecting body.
As Fig. 2, need to vacuumize, reclaim SF at equipment
6during gas, SF is passed through in the 3rd outlet end and first attachment plug of cross connecting body
6equipment connection part and SF
6equipment is connected, and first of the first outlet end of cross connecting body connects slotware and vacuum pump or SF
6gas concentration unit is connected, for vacuumizing or reclaim SF
6sF in equipment
6gas.Second of the second outlet end of cross connecting body connects slotware and is connected with pressure vacuum gauge 16, for detection of degree of vacuum.
To SF
6electrical equipment vacuumizes or reclaims SF
6the process of gas comprises following six steps.
The first step: by connection set of the present invention by vacuum pump 14 and SF
6electrical equipment 15 links together.
Second step: the startup of pressing on vacuum pump 14 vacuumizes button, starts and vacuumizes function.
The 3rd step: close the second ball valve, slowly open the first ball valve.
The 4th step: SF finds time
6electrical equipment 15, until reach stable degree of vacuum.
The 5th step: after monitoring that vacuum pressure etc. reaches required final degree of vacuum, close the first ball valve, press stopping on vacuum pump 14 and vacuumize button.
The 6th step: check vacuum state after the scheduled time, confirmation equipment is without leakage point.
As Fig. 3, to SF
6during the electrical equipment inflation, SF is passed through in the 3rd outlet end and first attachment plug of cross connecting body
6equipment connection part and SF
6equipment is connected.Second of the second outlet end of cross connecting body connects slotware and is connected with pressure vacuum gauge, for detection of pressure.The 4th outlet end of cross connecting body is by the second attachment plug and reduction valve 19 and SF
6gas cylinder is connected, by SF
6gas cylinder 17 is SF
6equipment recharges SF
6gas.
To SF
6the process of electrical equipment inflation comprises following four steps.
The first step: close the first ball valve 7 and the second ball valve 8.
Second step: by connection set of the present invention by SF
6gas cylinder is connected to SF
6on electrical equipment, open the second ball valve.
The 3rd step: open SF
6gas cylinder 17, regulate reduction valve 19 to required air pressure, recharges gas.
The 4th step: when reaching required inflation pressure, again close SF
6gas cylinder, complete and recharge operation.
As Fig. 4, to SF
6electrical equipment is directly inflated or micro-water when test, also can not adopt connection set of the present invention, directly will configure the SF of reduction valve 19
6gas cylinder and SF
6the transit joint of equipment is connected, reduction valve 19 and SF
6gas cylinder 17 or micro-water gaging device 18 is connected, for to SF
6electrical equipment inflation or the test of micro-water.
To SF
6electrical equipment is directly inflated or the process of micro-water test comprises the steps:
The first step: the flexible pipe quick union that will configure reduction valve 19 is directly connected to SF
6on the transit joint 13 of electrical equipment 16.
Second step a: end of the configuration reduction valve 19 of flexible pipe is connected to SF by ready-packaged joint
6on gas cylinder 17 reduction valve 19 or micro-water testing apparatus 18, then can be inflated or the test of micro-water.
Claims (5)
1. connection set is reclaimed in rapid vacuumizing and inflation, it is characterized in that, comprise cross connecting body (12) and for SF
6the SF that equipment is connected
6equipment connection part (9); Described cross connecting body (12) comprises cross tee (1), connecting tube (2), two connections slotware, two attachment plugs and two ball valves; Described cross tee (1) includes four outlet end, and described four outlets are respectively the first outlet end (11), the second outlet end (12), the 3rd outlet end (13) and the 4th outlet end (14); Two connection slotwares are respectively the first connection slotware (3) and are connected slotware (4) with second, described two attachment plugs are respectively the first attachment plug (5) and the second attachment plug (6), and described two ball valves are respectively the first ball valve (7) and the second ball valve (8);
Described the first outlet (11) is connected with described the first ball valve (7), and described the first ball valve (7) is connected slotware (3) by connecting tube (2) with described first and is connected; Described the second outlet end (12) is connected slotware (4) with described second and is connected; Described the 3rd outlet end (13) is connected with described the first connecting head (5); Described the 4th outlet end (14) is connected with described the second ball valve (8), and described the second ball valve (8) is connected with described the second attachment plug (6) by connecting tube (2).
2. connection set is reclaimed in rapid vacuumizing according to claim 1 and inflation, it is characterized in that, described connection slotware and attachment plug are stainless steel and make.
3. according to claim 1 and 2 described rapid vacuumizings and inflation recovery connection set, it is characterized in that described SF
6equipment connection part (9) comprises a connecting hose (10) and is connected in the joint (11) at described connecting hose two ends.
4. a right to use requires 1 described rapid vacuumizing and inflation to reclaim the vacuum pumping method of connection set, it is characterized in that, comprises the steps:
Step 1: by described rapid vacuumizing and inflation, reclaim connection set by vacuum pump (14) and SF
6electrical equipment (15) links together; Pressure vacuum gauge (16) is connected to second of described the second outlet (12) to be connected on slotware (4);
Step 2: the startup of pressing on vacuum pump (14) vacuumizes button, starts the function that vacuumizes of vacuum pump (14);
Step 3: close the second ball valve (8), slowly open the first ball valve (7);
Step 4: continue the SF that finds time
6electrical equipment (15), until reach stable degree of vacuum.
Step 5: monitor the pressure value of pressure vacuum gauge, after reaching required final degree of vacuum, close the first ball valve (7), press and stop vacuumizing button on vacuum pump (14), close vacuum pump (14);
Step 6: check SF after the scheduled time
6the vacuum state of electrical equipment (15), confirmation equipment is without leakage point.
5. a right to use requires 1 described rapid vacuumizing and inflation to reclaim the inflation method of connection set, it is characterized in that, comprises the steps:
Step 1: close the first ball valve (7) and the second ball valve (8);
Step 2: by described rapid vacuumizing and inflation, reclaim connection set by SF
6gas cylinder (17) and SF
6electrical equipment (15) links together; Pressure vacuum gauge (16) is connected to second of described the second outlet (12) to be connected on slotware (4);
Step 3: open the second ball valve (8).
Step 4: open SF
6gas cylinder (17), regulate reduction valve (19) to default air pressure, starts to SF
6electrical equipment recharges SF within (15)
6gas;
Step 5: the force value of monitoring vacuum gauge (16), when the force value of vacuum gauge (16) reaches predefined value, again close SF
6gas cylinder (17), complete charge operation.
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| CN201310435829.XA CN103486440B (en) | 2013-09-23 | 2013-09-23 | Connecting device, vacuum pumping method and inflation method are reclaimed in rapid vacuumizing and inflation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310435829.XA CN103486440B (en) | 2013-09-23 | 2013-09-23 | Connecting device, vacuum pumping method and inflation method are reclaimed in rapid vacuumizing and inflation |
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| Publication Number | Publication Date |
|---|---|
| CN103486440A true CN103486440A (en) | 2014-01-01 |
| CN103486440B CN103486440B (en) | 2016-07-06 |
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|---|---|---|---|
| CN201310435829.XA Active CN103486440B (en) | 2013-09-23 | 2013-09-23 | Connecting device, vacuum pumping method and inflation method are reclaimed in rapid vacuumizing and inflation |
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| CN104132235A (en) * | 2014-07-10 | 2014-11-05 | 国家电网公司 | SF6 aerating device capable of reducing aeration leakage rate |
| CN105114809A (en) * | 2015-09-29 | 2015-12-02 | 山东森源电力实业有限公司 | Sulfur hexafluoride inflation and detection integrated device |
| CN105202358A (en) * | 2015-09-16 | 2015-12-30 | 四川菲博斯科技有限责任公司 | SF6 air inflation device of electrical equipment |
| CN105202359A (en) * | 2015-09-16 | 2015-12-30 | 四川菲博斯科技有限责任公司 | SF6 air inflation equipment of electrical equipment |
| CN105202360A (en) * | 2015-09-16 | 2015-12-30 | 四川菲博斯科技有限责任公司 | SF6 air inflation equipment of electrical equipment |
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| CN111895268A (en) * | 2020-07-15 | 2020-11-06 | 广东电网有限责任公司 | Sulfur hexafluoride gas consumption monitoring complete device |
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| CN104089640A (en) * | 2014-07-22 | 2014-10-08 | 奇瑞汽车股份有限公司 | Automatic lock piece press-fitting detection and correction device and method |
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| CN105202360A (en) * | 2015-09-16 | 2015-12-30 | 四川菲博斯科技有限责任公司 | SF6 air inflation equipment of electrical equipment |
| CN105202361A (en) * | 2015-09-16 | 2015-12-30 | 四川菲博斯科技有限责任公司 | Intelligent SF 6 air inflation unit of electrical equipment |
| CN105114809A (en) * | 2015-09-29 | 2015-12-02 | 山东森源电力实业有限公司 | Sulfur hexafluoride inflation and detection integrated device |
| CN111895268A (en) * | 2020-07-15 | 2020-11-06 | 广东电网有限责任公司 | Sulfur hexafluoride gas consumption monitoring complete device |
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