CN103486440B - Connecting device, vacuum pumping method and inflation method are reclaimed in rapid vacuumizing and inflation - Google Patents
Connecting device, vacuum pumping method and inflation method are reclaimed in rapid vacuumizing and inflation Download PDFInfo
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- CN103486440B CN103486440B CN201310435829.XA CN201310435829A CN103486440B CN 103486440 B CN103486440 B CN 103486440B CN 201310435829 A CN201310435829 A CN 201310435829A CN 103486440 B CN103486440 B CN 103486440B
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Abstract
The invention discloses a kind of rapid vacuumizing and connecting device, vacuum pumping method and inflation method reclaimed in inflation, including cross connector and for SF6The SF that equipment is connected6Equipment connector；Cross connector includes cross tee, connecting tube, two connection slotwares, two connection plugs and two ball valves；Cross tee includes four ports of export；First port of export and the first ball valve are connected, and the first ball valve is connected slotware by connecting tube with first and is connected；Second port of export and second connects slotware and is connected；3rd port of export and first connects plug and is connected；4th port of export and the second ball valve are connected, and the second ball valve is connected plug by connecting tube with second and is connected.Connecting device, vacuum pumping method and inflation method are reclaimed in the rapid vacuumizing of the present invention and inflation, have that versatility is good, attended operation simple and fast, can protective conduit not make moist etc. advantage.<!--1-->
Description
Technical field
The present invention relates to a kind of rapid vacuumizing and inflation is reclaimed connecting device, especially a kind of rapid vacuumizing suitable in transformer station SF6 equipment evacuation or inflation and inflation and reclaimed connecting device, vacuum pumping method and inflation method.
Background technology
Current transformer station trends towards non-oil ultra high vacuum system development, and transformer station's inner breaker mostly is vacuum circuit breaker, SF6Chopper, wherein SF6Breaker apparatus occupies the breaker apparatus leading position of more than 35kV with its good insulating properties, anticorrosion and nontoxic performance.Along with SF6Application development, inflated type stream become the universal of transformer station and GIS the extensive use of HGIS, SF6 inflation, gas are reclaimed, the test of micro-water is required for inflation/deflation connecting device.
Use existing SF6Filling apparatus venting connecting device is primarily present problems with:
1) existing SF6Filling apparatus means of deflation model is many, all kinds of numerous and diverse, the product joint that different manufacturers produces can not be general, even if same producer is also adopted by the joint of different model sometimes, need to carry the inflation/deflation joint of different manufacturers, pipeline when the installation of each equipment, maintenance, test, be not easy to the repair and maintenance of equipment；
2) the existing many employings of joint used are threaded, and sealing gasket Reusability is easily damaged, loses, and junction easily leaks gas, the sealing effectiveness of evacuation requirement can not be reached, part clamping pipeline and nipple coordinate bad, and connection equipment wants connecting leg road to rotate together, wastes time and energy；
3) existing SF6The aerating pipe thickness that filling apparatus means of deflation uses differs, and mass difference is very big, and some producers replace even with plastics oxygen hose, and the time one a lot of crackle of elongated one-tenth causes potential safety hazard；
4) it addition, general producer aerating pipe is all without sealing, easily make moist when depositing after using, when re-using, easily bring the moisture in pipeline into SF6Equipment so that SF6Apparatus insulated level declines accidents caused.
Summary of the invention
The present invention is for avoiding the weak point existed in above-mentioned prior art, it is provided that connecting device, vacuum pumping method and inflation method are reclaimed in a kind of rapid vacuumizing and inflation, so that SF6Equipment is not when changing existing interface, it is achieved total interface is general, fills, atmospheric pipe is provided with self sealss, it is ensured that fills, be isolated from the outside inside atmospheric pipe, it is prevented that pipe interior makes moist.
The present invention solves that technical problem is by the following technical solutions.
Rapid vacuumizing and inflation reclaim connecting device, it is structurally characterized in that, including cross connector and for SF6The SF that equipment is connected6Equipment connector；Described cross connector includes cross tee, connecting tube, two connection slotwares, two connection plugs and two ball valves；Described cross tee includes four ports of export, described four outlets respectively first port of export, second port of export, the 3rd port of export and the 4th ports of export；Two connect slotware respectively the first connection slotware and second and connect slotware, and said two connects plug respectively the first connection plug and second and connects plug, said two ball valve respectively the first ball valve and the second ball valve；
Described first port of export is connected with described first ball valve, and described first ball valve is connected slotware by connecting tube with described first and is connected；Described second port of export is connected slotware with described second and is connected；Described 3rd port of export is connected plug with described first and is connected；Described 4th port of export is connected with described second ball valve, and described second ball valve is connected plug by connecting tube with described second and is connected.
The rapid vacuumizing of the present invention and inflation are reclaimed the construction features of connecting device and are lain also in:
Described connection slotware and connection plug are rustless steel and make.
Described SF6Equipment connector includes one and connects flexible pipe and be connected to the joint at described connection flexible pipe two ends.
Present invention also offers a kind of vacuum pumping method utilizing above-mentioned rapid vacuumizing and inflation to reclaim connecting device, comprise the steps:
Step 1: reclaim connecting device by vacuum pump and SF by described rapid vacuumizing and inflation6Electrical equipment links together；Pressure vacuum gauge is connected to the second of described second port of export connect on slotware；
Step 2: press the startup evacuation button on vacuum pump, starts the evacuation function of vacuum pump；
Step 3: close the second ball valve, slowly opens the first ball valve；
Step 4: continue to evacuate SF6Electrical equipment, until it reaches stable vacuum；
Step 5: monitor the pressure value of pressure vacuum gauge, after reaching required final vacuum, close the first ball valve, presses the stopping evacuation button on vacuum pump, closes vacuum pump；
Step 6: check SF after the scheduled time6The vacuum state of electrical equipment, confirms equipment No leakage point.
Present invention also offers a kind of inflation method utilizing above-mentioned rapid vacuumizing and inflation to reclaim connecting device, comprise the steps:
Step 1: close the first ball valve and the second ball valve；
Step 2: reclaim connecting device by SF by described rapid vacuumizing and inflation6Gas cylinder and SF6Electrical equipment links together；Pressure vacuum gauge is connected to the second of described second port of export connect on slotware；
Step 3: open the second ball valve；
Step 4: open SF6Gas cylinder, regulates air relief valve to preset pressure, starts to SF6SF is recharged within electrical equipment6Gas；
Step 5: the force value of monitoring pressure vacuum gauge, when the force value of pressure vacuum gauge reaches preset value, is again switched off SF6Gas cylinder, completes charge operation.
Compared with the prior art, the present invention has the beneficial effect that:
Connecting device is reclaimed in rapid vacuumizing and the inflation of the present invention, so that SF6Equipment is not when changing existing interface, it is achieved total interface is general quickly, fills, atmospheric pipe is provided with self sealss, it is ensured that fills, be isolated from the outside inside atmospheric pipe, it is prevented that pipe interior makes moist.
1) differently configured SF can be passed through6Equipment connector makes cross connect the physical ability SF for the joint of differently configured model6Equipment, improves the versatility of the connecting device of the present invention.
2) joint adopts dongle configuration, it is to avoid when employing thread connecting mode easily occurs needing swivel joint to make to connect inconvenient, thread seal, sealing gasket damage can cause the problems such as sealing difference.
3) fill, atmospheric pipe is provided with self sealss, it is ensured that fills, be isolated from the outside inside atmospheric pipe, it is prevented that pipe interior makes moist.
Connecting device is reclaimed in the rapid vacuumizing of the present invention and inflation, is particularly suited for transformer station's SF6 equipment, has that versatility is good, attended operation simple and fast, can protective conduit not make moist etc. advantage.
Accompanying drawing explanation
Fig. 1 is the rapid vacuumizing of the present invention and inflates the structure chart reclaiming connecting device.
Fig. 2 is that the connecting device of the present invention is to SF6Electrical equipment evacuation or recovery SF6The schematic diagram of gas.
Fig. 3 is that the connecting device of the present invention is to SF6The schematic diagram of electrical equipment inflation.
Fig. 4 is that the connecting device of the present invention is to SF6Electrical equipment is directly inflated or micro-water test schematic diagram.
Label in accompanying drawing 1～accompanying drawing 4: 1 cross tee, 101 first ports of export, 102 second ports of export, 103 the 3rd ports of export, 104 the 4th ports of export, 2 connecting tubes, 3 first connect slotware, and 4 second connect slotware, and 5 first connect plug, 6 second connect plug, 7 first ball valves, 8 second ball valves, 9SF6Equipment connector, 10 flexible pipes, 11 joints, 12 cross connectors, 13 transit joints, 14 vacuum pumps, 15SF6Electrical equipment, 16 pressure vacuum gauges, 17SF6Gas cylinder, 18 micro-measuring device, 19 air relief valve.
Below by way of detailed description of the invention, and the invention will be further described in conjunction with accompanying drawing.
Detailed description of the invention
Referring to Fig. 1～Fig. 4, connecting device is reclaimed in rapid vacuumizing and inflation, it include cross connector 12 and for SF6The SF that equipment is connected6Equipment connector 9；Described cross connector 12 includes cross tee 1, connecting tube 2, two connection slotware, two connection plugs and two ball valves；Described cross tee 1 includes four ports of export, described four outlet respectively first port of export 101, second port of export the 102, the 3rd port of export 103 and the 4th ports of export 104；Two connect slotware respectively the first connection slotware 3 and second and connect slotware 4, and said two connects plug respectively the first connection plug 5 and second and connects plug 6, and said two ball valve is the first ball valve 7 and the second ball valve 8 respectively；
Described first port of export 101 is connected with described first ball valve 7, and described first ball valve 7 is connected slotware 3 by connecting tube 2 with described first and is connected；Described second port of export 102 is connected slotware 4 with described second and is connected；Described 3rd port of export 103 is connected plug 5 with described first and is connected；Described 4th port of export 104 is connected with described second ball valve 8, and described second ball valve 8 is connected plug 6 by connecting tube 2 with described second and is connected.
Described connection slotware and connection plug are rustless steel and make.
Described SF6Equipment connector 9 includes one and connects flexible pipe 10 and be connected to the joint 11 at described connection flexible pipe two ends.
A kind of vacuum pumping method using described rapid vacuumizing and inflation to reclaim connecting device, comprises the steps:
Step 1: reclaim connecting device by vacuum pump 14 and SF by described rapid vacuumizing and inflation6Electrical equipment 15 links together；Pressure vacuum gauge 16 is connected to the second of described second port of export 102 connect on slotware 4；
Step 2: press the startup evacuation button on vacuum pump 14, starts the evacuation function of vacuum pump 14；
Step 3: close the second ball valve 8, slowly opens the first ball valve 7；
Step 4: continue to evacuate SF6Electrical equipment 15, until it reaches stable vacuum；
Step 5: monitor the pressure value of pressure vacuum gauge, after reaching required final vacuum, close the first ball valve 7, presses the stopping evacuation button on vacuum pump 14, closes vacuum pump 14；
Step 6: check SF after the scheduled time6The vacuum state of electrical equipment 15, confirms equipment No leakage point.
Such as Fig. 2, described vacuum pump 14 is connected to the first of described first port of export and connects on slotware, described SF6Electrical equipment 15 is connected on the first connection plug 5 of described 3rd port of export, thus by vacuum pump 14 and SF6Electrical equipment 15 links together so that vacuum pump can extract SF6SF within electrical equipment6Gas.Force value is detected, it is determined whether reach the purpose of evacuation by pressure vacuum gauge.When the force value that pressure vacuum gauge detects is lower than default force value, it is believed that SF6Already at vacuum state in electrical equipment.Then described rapid vacuumizing and inflation are reclaimed connecting device, vacuum pump 14 and SF6The plugging position of electrical equipment 15 is pulled down.After a period of time, SF is passed through6Pressure vacuum gauge is connected to SF by equipment connector 96On electrical equipment, detect SF6The vacuum of electrical equipment, if also keeping the vacuum after bleeding, is considered as SF6Electrical equipment is without leak point.If SF6Force value within electrical equipment, more than certain numerical value, is considered as SF6There is leak point in electrical equipment.
A kind of inflation method using described rapid vacuumizing and inflation to reclaim connecting device, it comprises the steps:
Step 1: close the first ball valve 7 and the second ball valve 8；
Step 2: reclaim connecting device by SF by described rapid vacuumizing and inflation6Gas cylinder 17 and SF6Electrical equipment 15 links together；Pressure vacuum gauge 16 is connected to the second of described second port of export 102 connect on slotware 4；
Step 3: open the second ball valve 8；
Step 4: open SF6Gas cylinder 17, regulates air relief valve 19 to preset pressure, starts to SF6SF is recharged within electrical equipment 156Gas；
Step 5: the force value of monitoring pressure vacuum gauge 16, when the force value of pressure vacuum gauge 16 reaches preset value, is again switched off SF6Gas cylinder 17, completes charge operation.
Such as Fig. 3, described SF6Gas cylinder 17 is connected to the second connection plug 6 of described 4th port of export, described SF by arranging the airway of air relief valve and connection slotware6Electrical equipment 15 is connected on the first connection plug 5 of described 3rd port of export, thus by SF6Gas cylinder 17 and SF6Electrical equipment 15 links together so that SF6Gas cylinder 17 can to SF6SF is filled within electrical equipment6Gas.Force value is detected, it is determined whether reach the blowing pressure preset by pressure vacuum gauge.When the force value that pressure vacuum gauge detects is not less than preset pressure value, it is believed that SF6The inflation of electrical equipment completes.
Close SF6Gas cylinder 17, then reclaims connecting device, SF by described rapid vacuumizing and inflation6Gas cylinder 17 and SF6The plugging position of electrical equipment 15 is pulled down.After a period of time, SF is passed through6Pressure vacuum gauge is connected to SF by equipment connector 96On electrical equipment, detect SF6Force value in electrical equipment, if also keeping the force value after inflation, is considered as SF6Electrical equipment is without leak point.If SF6Force value within electrical equipment, lower than certain numerical value, is considered as SF6There is leak point in electrical equipment, has the phenomenon of gas leakage.
Such as Fig. 1, described SF6The joint at the flexible pipe two ends of equipment connector is for connecting slotware.SF6Equipment connector can according to SF6The equipment interface configuration being equipped with on equipment, the joint at two ends can be connect slotware or connect plug so that SF6Equipment can pass through SF6Equipment connector is connected with cross connector.
Transformer station SF6Equipment interface is generally the SF being welded on base before producer dispatches from the factory6On pipeline, inconvenience is changed.General transit joint 13 can be configured on equipment interface.This transit joint 13 one end and SF6The inflation/deflation interface of equipment be connected, the other end with adopt self-packing SF6Equipment connector is connected, and can reach quick-make cross connector, seal the purpose of pipe interior in time, it is therefore prevented that moisture enters pipe interior polluting device.Joint adopts stainless steel, thus the problem that after avoiding the copper joint of part on the market to use of a specified duration, charge-air mass, test result can be impacted by upper patina.
Filling, putting SF6During gas, liquid SF6It is changed into gaseous state SF6, pressure increases, sometimes at SF6Wanting evacuation before equipment inflation, pipeline can once by the pressure of 3Mpa～133.322Pa, and length of pipeline 4～6 meters is advisable.Flexible pipe one end adopts self-packing quick union, with SF6The transit joint of electrical equipment is connected.The flexible pipe other end adopts self-packing quick union equally, is connected with general cross connector.
Such as Fig. 2, need evacuation at equipment, reclaim SF6During gas, the 3rd port of export of cross connector and first connects plug and passes through SF6Equipment connector and SF6Equipment is connected, and the first of first port of export of cross connector connects slotware and vacuum pump or SF6Gas concentration unit is connected, for evacuation or recovery SF6SF in equipment6Gas.The second of second port of export of cross connector connects slotware and is connected with pressure vacuum gauge 16, is used for detecting vacuum.
To SF6Electrical equipment evacuation or recovery SF6The process of gas includes step following six.
The first step: by the connecting device of the present invention by vacuum pump 14 and SF6Electrical equipment 15 links together.
Second step: press the startup evacuation button on vacuum pump 14, starts evacuation function.
3rd step: close the second ball valve, slowly opens the first ball valve.
4th step: evacuate SF6Electrical equipment 15, until it reaches stable vacuum.
5th step: after monitoring that vacuum pressure etc. reaches required final vacuum, close the first ball valve, press the stopping evacuation button on vacuum pump 14.
6th step: check vacuum state after the scheduled time, confirm equipment No leakage point.
Such as Fig. 3, to SF6During electrical equipment inflation, the 3rd port of export of cross connector and first connects plug and passes through SF6Equipment connector and SF6Equipment is connected.The second of second port of export of cross connector connects slotware and is connected with pressure vacuum gauge, is used for detecting pressure.4th port of export of cross connector is by the second connection plug and air relief valve 19 and SF6Gas cylinder is connected, by SF6Gas cylinder 17 is SF6Equipment recharges SF6Gas.
To SF6The process of electrical equipment inflation includes following four steps.
The first step: close the first ball valve 7 and the second ball valve 8.
Second step: by the connecting device of the present invention by SF6Gas cylinder is connected to SF6On electrical equipment, open the second ball valve.
3rd step: open SF6Gas cylinder 17, regulates air relief valve 19 to required air pressure, recharges gas.
4th step: when reaching required the blowing pressure, is again switched off SF6Gas cylinder, completes refilling operation.
Such as Fig. 4, to SF6When electrical equipment is directly inflated or micro-water tests, it is possible to do not adopt the connecting device of the present invention, directly will be configured with the SF of air relief valve 196Gas cylinder and SF6The transit joint of equipment is connected, air relief valve 19 and SF6Gas cylinder 17 or micro-measuring device 18 are connected, for SF6Electrical equipment inflation or the test of micro-water.
To SF6Electrical equipment is directly inflated or the process of micro-water test comprises the steps:
The first step: the flexible pipe quick union of configuration air relief valve 19 is directly connected on the transit joint 13 of SF6 electrical equipment 15.
Second step: one end of the configuration air relief valve 19 of flexible pipe is connected to SF by ready-packaged joint6On gas cylinder 17 air relief valve 19 or micro-water test device 18, then can be inflated or the test of micro-water.
Claims (4)
1. rapid vacuumizing and inflation reclaim connecting device, it is characterized in that, including cross connector (12) and for and SF6The SF that equipment is connected6Equipment connector (9)；Described cross connector (12) includes cross tee (1), connecting tube (2), two connection slotwares, two connection plugs and two ball valves；Described cross tee (1) includes four ports of export, described four outlets respectively first port of export (101), second port of export (102), the 3rd port of export (103) and the 4th ports of export (104)；Two connect slotware respectively the first connection slotware (3) and second and connect slotware (4), said two connects plug respectively the first connection plug (5) and second and connects plug (6), said two ball valve respectively the first ball valve (7) and the second ball valve (8)；
Described first port of export (101) is connected with described first ball valve (7), and described first ball valve (7) is connected slotware (3) by connecting tube (2) with described first and is connected；Described second port of export (102) is connected slotware (4) with described second and is connected；Described 3rd port of export (103) is connected plug (5) with described first and is connected；Described 4th port of export (104) is connected with described second ball valve (8), and described second ball valve (8) is connected plug (6) by connecting tube (2) with described second and is connected；
Described SF6 equipment connector (9) includes one and connects flexible pipe (10) and be connected to the joint (11) at described connection flexible pipe two ends；
The joint at the flexible pipe two ends of described SF6 equipment connector is for connecting slotware；Flexible pipe two ends adopt self-packing quick union；
Fill, atmospheric pipe is provided with self sealss, it is ensured that fills, be isolated from the outside inside atmospheric pipe, it is prevented that pipe interior makes moist；Pipeline can once by the pressure of 3Mpa～133.322Pa, length of pipeline 4～6 meters.
2. connecting device is reclaimed in rapid vacuumizing according to claim 1 and inflation, it is characterized in that, described connection slotware and connection plug are rustless steel and make.
3. use the rapid vacuumizing described in claim 1 and inflation to reclaim a vacuum pumping method for connecting device, it is characterized in that, comprise the steps:
Step 1: reclaim connecting device by vacuum pump (14) and SF by described rapid vacuumizing and inflation6Electrical equipment (15) links together；Pressure vacuum gauge (16) is connected to the second of described second port of export (102) connect on slotware (4)；
Step 2: press the startup evacuation button on vacuum pump (14), starts the evacuation function of vacuum pump (14)；
Step 3: close the second ball valve (8), slowly opens the first ball valve (7)；
Step 4: continue to evacuate SF6Electrical equipment (15), until it reaches stable vacuum；
Step 5: monitor the pressure value of pressure vacuum gauge, after reaching required final vacuum, close the first ball valve (7), presses the stopping evacuation button on vacuum pump (14), closes vacuum pump (14)；
Step 6: check SF after the scheduled time6The vacuum state of electrical equipment (15), confirms equipment No leakage point.
4. use the rapid vacuumizing described in claim 1 and inflation to reclaim an inflation method for connecting device, it is characterized in that, comprise the steps:
Step 1: close the first ball valve (7) and the second ball valve (8)；
Step 2: reclaim connecting device by SF by described rapid vacuumizing and inflation6Gas cylinder (17) and SF6Electrical equipment (15) links together；Pressure vacuum gauge (16) is connected to the second of described second port of export (102) connect on slotware (4)；
Step 3: open the second ball valve (8)；
Step 4: open SF6Gas cylinder (17), regulates air relief valve (19) to preset pressure, starts to SF6Electrical equipment recharges SF within (15)6Gas；
Step 5: the force value of monitoring pressure vacuum gauge (16), when the force value of pressure vacuum gauge (16) reaches preset value, is again switched off SF6Gas cylinder (17), completes 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 |
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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 |
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| CN103486440B true CN103486440B (en) | 2016-07-06 |
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Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132235B (en) * | 2014-07-10 | 2015-08-19 | 国家电网公司 | A kind of SF6 inflator reducing inflation leakage rate |
| CN104089640B (en) * | 2014-07-22 | 2017-04-12 | 奇瑞汽车股份有限公司 | Automatic lock piece press-fitting detection and correction method |
| 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 |
| 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 |
| 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 |
| 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 |
| CN110966516A (en) * | 2019-12-17 | 2020-04-07 | 国网浙江临海市供电有限公司 | Be used for inflatable aerating device of SF6 electrical equipment |
| 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 |
| CN113653945A (en) * | 2021-08-18 | 2021-11-16 | 华能山东石岛湾核电有限公司 | Inflating device and inflating method for high-voltage cable |
| CN113864649A (en) * | 2021-08-27 | 2021-12-31 | 广西电网有限责任公司贺州供电局 | All-round inflation tube applied to SF6 equipment air supply and use method |
| CN114087534A (en) * | 2021-11-26 | 2022-02-25 | 国网山东省电力公司临沂供电公司 | Wireless control inflator for combined electrical apparatus |
| CN114321705A (en) * | 2021-12-31 | 2022-04-12 | 国网山东省电力公司潍坊供电公司 | SF (sulfur hexafluoride)6Gas charging device |
| CN117053092B (en) * | 2023-10-11 | 2023-12-22 | 常州优达电子科技有限公司 | SF6 vacuumizing and inflating device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2951860A1 (en) * | 2009-10-27 | 2011-04-29 | Areva T & D Sas | Sulfur hexafluoride gas recovering device for circuit breaker in medium or high voltage electrical circuit, has conduit mounted between inlet and outlet of pump, and switching unit permitting circulation of gas in pump or in conduit |
| CN202032224U (en) * | 2011-04-12 | 2011-11-09 | 中国南方电网有限责任公司超高压输电公司 | Multipurpose gas header |
| CN202302716U (en) * | 2011-11-05 | 2012-07-04 | 衡水供电公司 | Air filling tube for SF6 switch |
| CN102563341A (en) * | 2010-12-09 | 2012-07-11 | 河南省电力公司三门峡供电公司 | SF6 (sulphur hexafluoride) gas combined charging and discharging device |
| CN202493896U (en) * | 2012-02-27 | 2012-10-17 | 山东电力集团公司枣庄供电公司 | Portable sulfur hexafluoride inflation device |
| CN203023790U (en) * | 2012-12-13 | 2013-06-26 | 杭州市电力局 | Device for performing hot-line gas charging operation on SF6 (sulfur hexafluoride) equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4879936B2 (en) * | 2008-06-18 | 2012-02-22 | 三菱電機株式会社 | Gas filling inspection apparatus and gas leakage inspection method |
-
2013
- 2013-09-23 CN CN201310435829.XA patent/CN103486440B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2951860A1 (en) * | 2009-10-27 | 2011-04-29 | Areva T & D Sas | Sulfur hexafluoride gas recovering device for circuit breaker in medium or high voltage electrical circuit, has conduit mounted between inlet and outlet of pump, and switching unit permitting circulation of gas in pump or in conduit |
| CN102563341A (en) * | 2010-12-09 | 2012-07-11 | 河南省电力公司三门峡供电公司 | SF6 (sulphur hexafluoride) gas combined charging and discharging device |
| CN202032224U (en) * | 2011-04-12 | 2011-11-09 | 中国南方电网有限责任公司超高压输电公司 | Multipurpose gas header |
| CN202302716U (en) * | 2011-11-05 | 2012-07-04 | 衡水供电公司 | Air filling tube for SF6 switch |
| CN202493896U (en) * | 2012-02-27 | 2012-10-17 | 山东电力集团公司枣庄供电公司 | Portable sulfur hexafluoride inflation device |
| CN203023790U (en) * | 2012-12-13 | 2013-06-26 | 杭州市电力局 | Device for performing hot-line gas charging operation on SF6 (sulfur hexafluoride) equipment |
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|---|---|
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