CN109027664A - A kind of online supplementing method for air of SF6 electrical equipment - Google Patents
A kind of online supplementing method for air of SF6 electrical equipment Download PDFInfo
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- CN109027664A CN109027664A CN201810770641.3A CN201810770641A CN109027664A CN 109027664 A CN109027664 A CN 109027664A CN 201810770641 A CN201810770641 A CN 201810770641A CN 109027664 A CN109027664 A CN 109027664A
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- electrical equipment
- pressure
- air
- gas leakage
- hose
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Classifications
-
- 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
-
- 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
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- 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
- F17C2201/0119—Shape cylindrical with flat end-piece
-
- 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
- F17C2201/035—Orientation with substantially horizontal main axis
-
- 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)
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/04—Indicating or measuring of parameters as input values
- F17C2250/0404—Parameters indicated or measured
- F17C2250/043—Pressure
-
- 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
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
- F17C2250/07—Actions triggered by measured parameters
- F17C2250/072—Action when predefined value is reached
-
- 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
Abstract
A kind of online supplementing method for air of SF6 electrical equipment proposed by the present invention, the following steps are included: S1, installation air supply tank, and air supply tank is connect by connection hose with SF6 electrical equipment, it connects and is equipped with solenoid valve between hose and SF6 electrical equipment, it connects and is equipped with suction pump between hose and air supply tank, and connect and be also connected with vacuum pump between solenoid valve and suction pump on hose；The pressure of S2, real-time detection SF6 inside electric appliance, and according to pressure judge SF6 electrical equipment whether gas leakage；S3, when SF6 electrical equipment gas leakage, then open vacuum pump and connection hose vacuumized；S4, vacuum pump is closed, is then turned on solenoid valve, suction pump and air supply tank and tonifying Qi is carried out to SF6 electrical equipment.The present invention one realizes the intelligence and automation of SF6 electrical equipment tonifying Qi, solves the time delay of artificial tonifying Qi, advantageously reduces manpower demand；Two, can solve the electrical safety problems for the SF6 electrical equipment that cannot be stopped working in time to the online tonifying Qi of SF6 electrical equipment.
Description
Technical field
The present invention relates to SF6 technical field of electric equipment more particularly to a kind of online supplementing method for air of SF6 electrical equipment.
Background technique
For SF6 electrical equipment, insulation or arc extinction performance of the density value of SF6 gas concerning SF6 electrical equipment.Cause
This, the horizontal processing of the density value of SF6 gas is of great significance to the insulation or arc extinction performance of SF6 electrical equipment.Become at present
Power station is much unwatched, once there is SF6 electrical equipment gas leakage, it is necessary to it goes to repair before artificial, manpower demand is more, cost
Height, and it is difficult to ensure the timeliness of maintenance；Two, many substation subordinate supply nodes are more, cannot have a power failure at any time, at this point, SF6
Even if electrical equipment gas leakage, it is also necessary to work on, it is difficult to guarantee electrical safety.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of online supplementing method for air of SF6 electrical equipment.
A kind of online supplementing method for air of SF6 electrical equipment proposed by the present invention, comprising the following steps:
S1, installation air supply tank, and air supply tank is connect by connection hose with SF6 electrical equipment, connection hose and SF6 electricity
Be equipped with solenoid valve between gas equipment, connect and be equipped with suction pump between hose and air supply tank, and connect be located on hose solenoid valve and
Vacuum pump is also connected between suction pump；
The pressure of S2, real-time detection SF6 inside electric appliance, and according to pressure judge SF6 electrical equipment whether gas leakage；
S3, when SF6 electrical equipment gas leakage, then open vacuum pump and connection hose vacuumized；
S4, vacuum pump is closed, is then turned on solenoid valve, suction pump and air supply tank and tonifying Qi is carried out to SF6 electrical equipment.
Preferably, it in step S2, is tied compared with preset threshold pressure according to the pressure detected value of SF6 inside electric appliance
Fruit judge SF6 electrical equipment whether gas leakage.
Preferably, step S2 specifically includes the following steps:
The pressure of S21, real-time detection SF6 inside electric appliance, and by pressure detected value compared with preset threshold pressure；
S22, when pressure detected value be less than threshold pressure, then judge whether the pressure of SF6 inside electric appliance is presented and successively decrease
Trend；It is then to judge SF6 electrical equipment gas leakage；It is no, then return step S21.
Preferably, in step S21, the pressure of real-time detection SF6 inside electric appliance, and record N number of pressure detection recently
Value；In step S22, judge whether the pressure of SF6 inside electric appliance is presented according to whether nearest N number of pressure detected value successively decreases
Decline trend.
Preferably, N≤3.
Preferably, step S4 specifically includes the following steps:
S41, the leakage that SF6 electrical equipment is calculated according to the gas volume in nearest N number of pressure detected value and SF6 electrical equipment
Gas velocity；
S42, adjustment suction pump working condition, with the identical flow velocity of gas leakage flow velocity to SF6 electrical equipment tonifying Qi.
Preferably, in step S42, according to nearest N number of pressure detected value real-time update gas leakage flow velocity.
Preferably, in step S3, vacuum pump is opened according to predetermined vacuum time value, hose is vacuumized.
Preferably, predetermined vacuum time value is 3s to 10s.
In a kind of online supplementing method for air of SF6 electrical equipment proposed by the present invention, to the gas pressure intensity in SF6 electrical equipment into
Row real-time online monitoring, when discovery SF6 electrical equipment gas leakage, then online long-range control suction pump and air supply tank electrically set SF6
Standby to carry out tonifying Qi, one realizes the intelligence and automation of SF6 electrical equipment tonifying Qi, solves the time delay of artificial tonifying Qi,
Advantageously reduce manpower demand；Two, can solve the SF6 electricity that cannot be stopped working in time to the online tonifying Qi of SF6 electrical equipment
The electrical safety problems of gas equipment.
It in the present invention, before tonifying Qi, first turns on vacuum pump and is vacuumized hose is connected, can avoid in connection hose
Air enters SF6 electrical equipment, to guarantee the insulating gas purity in SF6 electrical equipment.
Detailed description of the invention
Fig. 1 is the online supplementing method for air flow chart of a kind of SF6 electrical equipment that embodiment 1 proposes；
Fig. 2 is the online making-up air device schematic diagram of SF6 electrical equipment applied in Fig. 1；
Fig. 3 is the online supplementing method for air flow chart of a kind of SF6 electrical equipment that embodiment 2 proposes；
Fig. 4 is the online supplementing method for air flow chart of a kind of SF6 electrical equipment that embodiment 3 proposes.
Specific embodiment
Embodiment 1
Referring to Fig.1, a kind of online supplementing method for air of SF6 electrical equipment proposed by the present invention, comprising the following steps:
S1, installation air supply tank 1, and air supply tank 1 connect by connection hose 2 with SF6 electrical equipment, connect hose 2 and
It is equipped with solenoid valve 3 between SF6 electrical equipment, connects and is equipped with suction pump 4 between hose 2 and air supply tank 1, and it is upper to connect hose 2
Vacuum pump 5 is also connected between solenoid valve 3 and suction pump 4.In this way, suction pump 4 and air supply tank 1 can be passed through in the present embodiment
Automatic inflating device is carried out to SF6 electrical equipment.
The pressure of S2, real-time detection SF6 inside electric appliance, and according to pressure judge SF6 electrical equipment whether gas leakage.Tool
Body, it, can be by the way that pressure detected value be compared with preset threshold pressure, to be judged according to comparison result in this step
SF6 electrical equipment is enough gas leakage.When pressure detected value be less than threshold pressure, then judge SF6 electrical equipment gas leakage.
S3, when SF6 electrical equipment gas leakage, then open 5 pairs of connection hoses 2 of vacuum pump and vacuumize.
S4, vacuum pump 5 is closed, is then turned on solenoid valve 3, suction pump 4 and air supply tank 1 and tonifying Qi is carried out to SF6 electrical equipment.
It in the present embodiment, before tonifying Qi, first turns on vacuum pump and is vacuumized hose 2 is connected, can avoid connection hose
Interior air enters SF6 electrical equipment, to guarantee the insulating gas purity in SF6 electrical equipment.
In the present embodiment, real-time online monitoring is carried out to the gas pressure intensity in SF6 electrical equipment, when discovery SF6 is electrically set
Standby gas leakage, then online long-range control suction pump and air supply tank carry out tonifying Qi to SF6 electrical equipment, and one electrically sets to realize SF6
The intelligence and automation of next choice gas, solve the time delay of artificial tonifying Qi, advantageously reduce manpower demand；Two, it can be to SF6
The online tonifying Qi of electrical equipment solves the electrical safety problems for the SF6 electrical equipment that cannot be stopped working in time.
In the step S3 of the present embodiment, vacuum pump 5 is opened according to predetermined vacuum time value, hose is vacuumized, predetermined vacuum
Time value is 3s to 10s.In this way, convenient for the orderly control to tonifying Qi process.
Embodiment 2
In the present embodiment, step S2 in embodiment 1 is split as following steps.
The pressure of S21, real-time detection SF6 inside electric appliance, and by pressure detected value compared with preset threshold pressure.
S22, when pressure detected value be less than threshold pressure, then judge whether the pressure of SF6 inside electric appliance is presented and successively decrease
Trend.It is then to judge SF6 electrical equipment gas leakage.It is no, then return step S21.Specifically, electrically being set in this step according to SF6
The variation tendency of standby middle pressure detected value judges whether the pressure of SF6 inside electric appliance is presented and successively decreases.
In this way, in the present embodiment, in conjunction with the comparison result and SF6 electrical equipment of current pressure detected value and threshold pressure
Pressure change Trend judgement SF6 electrical equipment whether gas leakage, be conducive to gas volume caused by avoiding the non-leak such as temperature change
Gas leakage error in judgement caused by the environmental factor of variation, to be conducive to improve the accuracy of gas leakage judgement.
Specifically, in the step S21 of the present embodiment, the pressure of real-time detection SF6 inside electric appliance, and record nearest N
A pressure detected value.In step S22, the pressure of SF6 inside electric appliance is judged according to whether nearest N number of pressure detected value successively decreases
Whether decline trend is presented by force.N≧3.
Embodiment 3
The present embodiment embodiment 2 Chief Technology Officer, step S4 specifically includes the following steps:
S41, the leakage that SF6 electrical equipment is calculated according to the gas volume in nearest N number of pressure detected value and SF6 electrical equipment
Gas velocity.Specifically, nearest N number of pressure detected value real-time update, gas leakage flow velocity is with N number of pressure detected value in this step
It updates and updates.
S42, adjustment 4 working condition of suction pump, with the identical flow velocity of gas leakage flow velocity to SF6 electrical equipment tonifying Qi.
In this way, in the present embodiment, tonifying Qi is carried out according to gas leakage flow velocity, one, it is ensured that the insulation gas in SF6 electrical equipment
Body pressure maintains the degree of a safety and stability；Two, it can avoid increasing bring leakage due to SF6 inside electric appliance pressure
Gas velocity is promoted, so that the transition of insulating gas be avoided to waste.
The above, preferable specific embodiment only of the present invention, but protection scope of the present invention not office
Be limited to this, anyone skilled in the art in the technical scope disclosed by the present invention, technology according to the present invention
Scheme and its inventive concept are subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of online supplementing method for air of SF6 electrical equipment, which comprises the following steps:
S1, installation air supply tank (1), and air supply tank (1) is connect by connection hose (2) with SF6 electrical equipment, connect hose
(2) solenoid valve (3) are equipped between SF6 electrical equipment, connect and is equipped with suction pump (4) between hose (2) and air supply tank (1), and
Vacuum pump (5) are also connected between solenoid valve (3) and suction pump (4) in connection hose (2)；
The pressure of S2, real-time detection SF6 inside electric appliance, and according to pressure judge SF6 electrical equipment whether gas leakage；
S3, when SF6 electrical equipment gas leakage, then open vacuum pump (5) and connection hose (2) vacuumized；
S4, vacuum pump (5) are closed, is then turned on solenoid valve (3), suction pump (4) and air supply tank (1) and SF6 electrical equipment is carried out
Tonifying Qi.
2. the online supplementing method for air of SF6 electrical equipment as described in claim 1, which is characterized in that in step S2, according to SF6 electricity
Pressure detected value inside gas equipment and preset threshold pressure comparison result judge SF6 electrical equipment whether gas leakage.
3. the online supplementing method for air of SF6 electrical equipment as claimed in claim 2, which is characterized in that step S2 specifically includes following
Step:
The pressure of S21, real-time detection SF6 inside electric appliance, and by pressure detected value compared with preset threshold pressure；
S22, when pressure detected value be less than threshold pressure, then judge whether the pressure of SF6 inside electric appliance is presented decline trend；
It is then to judge SF6 electrical equipment gas leakage；It is no, then return step S21.
4. the online supplementing method for air of SF6 electrical equipment as claimed in claim 3, which is characterized in that in step S21, real-time detection
The pressure of SF6 inside electric appliance, and record N number of pressure detected value recently；In step S22, detected according to nearest N number of pressure
Whether value, which successively decreases, judges whether the pressure of SF6 inside electric appliance is presented decline trend.
5. the online supplementing method for air of SF6 electrical equipment as claimed in claim 4, which is characterized in that N≤3.
6. the online supplementing method for air of SF6 electrical equipment as claimed in claim 4, which is characterized in that step S4 specifically includes following
Step:
S41, the gas leakage stream that SF6 electrical equipment is calculated according to the gas volume in nearest N number of pressure detected value and SF6 electrical equipment
Speed；
S42, adjustment suction pump (4) working condition, with the identical flow velocity of gas leakage flow velocity to SF6 electrical equipment tonifying Qi.
7. the online supplementing method for air of SF6 electrical equipment as claimed in claim 6, which is characterized in that in step S42, according to nearest N
A pressure detected value real-time update gas leakage flow velocity.
8. the online supplementing method for air of SF6 electrical equipment as described in claim 1, which is characterized in that in step S3, according to default true
Empty time value is opened vacuum pump (5) and is vacuumized to hose.
9. the online supplementing method for air of SF6 electrical equipment as claimed in claim 8, which is characterized in that predetermined vacuum time value is 3s
To 10s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770641.3A CN109027664B (en) | 2018-07-13 | 2018-07-13 | Online air supplementing method for SF6 electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810770641.3A CN109027664B (en) | 2018-07-13 | 2018-07-13 | Online air supplementing method for SF6 electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109027664A true CN109027664A (en) | 2018-12-18 |
| CN109027664B CN109027664B (en) | 2020-09-04 |
Family
ID=64642205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810770641.3A Active CN109027664B (en) | 2018-07-13 | 2018-07-13 | Online air supplementing method for SF6 electrical equipment |
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| Country | Link |
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| CN (1) | CN109027664B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160710A (en) * | 2019-05-09 | 2019-08-23 | 国网山东省电力公司枣庄供电公司 | A kind of combined electrical apparatus air leakage point quickly searches device |
| CN111359367A (en) * | 2020-03-16 | 2020-07-03 | 中北大学 | SF (sulfur hexafluoride)6Gas micro-water treatment device |
| CN112283574A (en) * | 2019-07-22 | 2021-01-29 | 中国石油天然气股份有限公司 | Inflating device of isolating bag, inflating bottle and inflating method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2916605Y (en) * | 2006-05-16 | 2007-06-27 | 源星生医科技股份有限公司 | Gas pressure leakage detector |
| CN203908741U (en) * | 2013-12-31 | 2014-10-29 | 浙江幸福机电科技有限公司 | Leakage detection device |
| CN105299444A (en) * | 2015-09-16 | 2016-02-03 | 四川菲博斯科技有限责任公司 | Intelligent SF6 (sulfur hexafluoride) gas inflation module for electrical equipment |
| CN106052972A (en) * | 2016-07-19 | 2016-10-26 | 宁波慈兴精密传动科技有限公司 | Bearing air leakage detection tool and bearing air leakage detection device comprising same |
| CN207230153U (en) * | 2017-06-14 | 2018-04-13 | 王军 | A kind of full-automatic SF6 electrical equipment aerating devices |
-
2018
- 2018-07-13 CN CN201810770641.3A patent/CN109027664B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2916605Y (en) * | 2006-05-16 | 2007-06-27 | 源星生医科技股份有限公司 | Gas pressure leakage detector |
| CN203908741U (en) * | 2013-12-31 | 2014-10-29 | 浙江幸福机电科技有限公司 | Leakage detection device |
| CN105299444A (en) * | 2015-09-16 | 2016-02-03 | 四川菲博斯科技有限责任公司 | Intelligent SF6 (sulfur hexafluoride) gas inflation module for electrical equipment |
| CN106052972A (en) * | 2016-07-19 | 2016-10-26 | 宁波慈兴精密传动科技有限公司 | Bearing air leakage detection tool and bearing air leakage detection device comprising same |
| CN207230153U (en) * | 2017-06-14 | 2018-04-13 | 王军 | A kind of full-automatic SF6 electrical equipment aerating devices |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160710A (en) * | 2019-05-09 | 2019-08-23 | 国网山东省电力公司枣庄供电公司 | A kind of combined electrical apparatus air leakage point quickly searches device |
| CN112283574A (en) * | 2019-07-22 | 2021-01-29 | 中国石油天然气股份有限公司 | Inflating device of isolating bag, inflating bottle and inflating method |
| CN111359367A (en) * | 2020-03-16 | 2020-07-03 | 中北大学 | SF (sulfur hexafluoride)6Gas micro-water treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109027664B (en) | 2020-09-04 |
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Address after: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061 Patentee after: Super high voltage branch of State Grid Anhui Electric Power Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: SHANGHAI ROYE ELECTRIC Co.,Ltd. Address before: 230000, No. 415, Wuhu Road, Hefei, Anhui Patentee before: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH Patentee before: State Grid Corporation of China Patentee before: SHANGHAI ROYE ELECTRIC Co.,Ltd. |
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