CN204575396U - A kind of SF 6gas sample collecting device for air - Google Patents
A kind of SF 6gas sample collecting device for air Download PDFInfo
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- CN204575396U CN204575396U CN201520180533.2U CN201520180533U CN204575396U CN 204575396 U CN204575396 U CN 204575396U CN 201520180533 U CN201520180533 U CN 201520180533U CN 204575396 U CN204575396 U CN 204575396U
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Abstract
The utility model provides a kind of SF
6gas sample collecting device for air, for gathering SF from charger
6gas, comprise the gas bottle of the air chamber for transfer gas, both ends open, this air chamber is provided with equipment connection port and the device connector of band valve, the one end open of gas bottle arranges gas admittance valve, other end opening sets out air valve, the outlet of described charger is connected to described equipment connection port via getting air pipe, and described get on air pipe arrange get air valve, described device connector connects described gas admittance valve via the pipeline of gas.Can clean package unit all parts and pipeline, or get rid of the gaseous impurities in package unit by the mode vacuumized, obviously reduce the introducing of impurity in sampling process, reduce sample contamination, reduce finished product SF
6the consumption of gas.
Description
Technical field
The utility model relates to SF
6the technical field that gaseous mass is analyzed, particularly relates to a kind of SF
6gas sample collecting device for air.
Background technology
SF
6gaseous mass analysis is as one of the important means of charger internal fault diagnosis, and SF is carried out at scene
6decomposition product (the SO of gas
2, H
2s, CO, HF) when testing, affect by the drift of electrochemical sensor temperature, drift etc., can not meet completely and analyze requirement.Perfect along with laboratory air detection technique, Laboratory Request obtains more comprehensive to carrying out gas composition analysis, and data are more accurate, therefore, from charger, carry out SF
6gas sample acquisition and analysis necessitate.Meanwhile, due to SF
6in gas sample, decomposition product content is lower, and activity is comparatively strong, representative by guaranteeing to be gathered gas sample, needs to guarantee SF in sampling transfer process
6component changes and minimumly just truly can reflect SF
6quality condition.
But, traditional SF
6gas sample collecting device for air complex operation, for reducing gaseous impurities, often needs to use SF before sampling
6the sampler bag of gas flushing gas repeatedly, both caused SF
6gas discharging, contaminated environment, consumes again a large amount of finished product SF
6gas; Or adopt one end to arrange the plain metal container collection gas of valve, the other end is closed, but such gas collection container not easily rinses, and easily adsorbs the feature decomposition product of trace, affects the accuracy that gaseous mass is analyzed.
Visible, be necessary SF
6gas sample collecting device for air improves.
Summary of the invention
The purpose of this utility model is to propose a kind of SF
6gas sample collecting device for air, for gathering SF from charger
6gas, ensures that decomposition product stable components is reliable, improves the accuracy that gaseous mass is analyzed.
In order to solve the problems of the technologies described above, the technical solution of the utility model is as follows:
A kind of SF
6gas sample collecting device for air, for gathering SF from charger
6gas, comprise the gas bottle of the air chamber for transfer gas, both ends open, this air chamber is provided with equipment connection port and the device connector of band valve, the one end open of gas bottle arranges gas admittance valve, other end opening sets out air valve, the outlet of described charger is connected to described equipment connection port via getting air pipe, and described get on air pipe arrange get air valve, described device connector connects described gas admittance valve via the pipeline of gas.
Above-mentioned SF
6gas sample collecting device for air, can utilize air chamber to cushion, keep in, shift the SF of charger output
6gas, simultaneously gas bottle is set to the structure that can ventilate, be vented in two ends, by the cooperation of each connector and valve on gas bottle and air chamber, realizes the cleaning to package unit all parts and pipeline very easily, gets rid of gaseous impurities, improve and gather SF
6the purity of gas; And package unit easily splits when idle, easily combine in use, it is handy flexibly, for building multi-form SF
6gas collecting device provides feasibility, practical.
Described SF
6gas sample collecting device for air also comprises vacuum pump, pressure detecting instrument, described air chamber is also provided with the vacuum pump connector of band valve, described vacuum pump is connected to vacuum pump connector via the pipeline of gas, the entrance of described pressure detecting instrument connects described device connector via the pipeline of gas, and the outlet of pressure detecting instrument connects described gas admittance valve via the pipeline of gas.Coordinate the parts such as vacuum pump, pressure detecting instrument, the available mode vacuumized gets rid of the gaseous impurities in package unit, can to common SF
6gas inflated equipment carries out gas sample acquisition, ensures that analyte stable components is reliable; Also reversiblely transfer gas refill device to, realize a tractor serves several purposes.
The described pipeline getting air pipe and gas is the pipe that two ends are provided with self-closed type Pneumatic quick connector.Adopt self-closed type Pneumatic quick connector, easy and simple to handle, connecting line two ends are self-enclosed, are not subject to outside contamination.
Described air chamber is also provided with exhausr port, with valve on this exhausr port.Optionally can discharge the gas in air chamber.
The utility model has the advantages that:
1, can clean package unit all parts and pipeline, or get rid of the gaseous impurities in package unit by the mode vacuumized, obviously reduce the introducing of impurity in sampling process, reduce sample contamination, reduce finished product SF
6the consumption of gas;
2, the parts such as vacuum pump, pressure detecting instrument, air chamber can adopt split-type design, and function is well defined, and can be used alone, and also capable of being combinedly use, and handled easily personnel select according to field condition;
3, all connecting lines all adopt rapid-acting coupling, easy and simple to handle, form connecting line two ends from seal structure, are not subject to outside contamination;
4, reversiblely transfer gas refill device to, realize a tractor serves several purposes.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment 1;
Fig. 2 is the inner structure schematic diagram of air chamber in the utility model;
Fig. 3 is the structural representation of the utility model embodiment 2;
Description of reference numerals: 1, charger; 2, air chamber; 3, vacuum pump; 4, pressure detecting instrument; 5, gas bottle; 6, air pipe is got.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1 and Figure 2, a kind of SF
6gas sample collecting device for air, for gathering SF from charger 1
6gas, comprise the gas bottle 5 of the air chamber 2 for transfer gas, both ends open, this air chamber 2 is provided with equipment connection port and the device connector of band valve, the one end open of gas bottle 5 arranges gas admittance valve, other end opening sets out air valve, the outlet of described charger 1 is connected to described equipment connection port via getting air pipe 6, and described get on air pipe 6 arrange get air valve, described device connector connects described gas admittance valve via the pipeline of gas.
Further, the pipeline getting air pipe 6 and gas described in is the pipe that two ends are provided with self-closed type Pneumatic quick connector; Described air chamber 2 is also provided with exhausr port, with valve on this exhausr port.
In actual applications, gas bottle 5 uses stainless steel, arranges tensimeter, and gas bottle 5 two ends arrange valve, directly can rinse laggard row gas sample acquisition; Simultaneously stainless steel gas bottle 5 inwall adopts Passivation Treatment or inner liner polytetrafluoroethylene, reduce to the absorption of decomposition product or and inner wall of steel cylinder metal carry out chemical reaction.Steel gas bottle 5 small volume, about about 1L, suitably reduces SF
6collection capacity.
Be respectively device connector, equipment connection port, exhausr port see Fig. 1, V1, V2, V4, F1, F2, F4, Fz phase should be the valve on V1, V2, V4; Fj, Fc are respectively gas admittance valve and the air outlet valve of sampling jar; F6 gets air pipe 6 gets air valve; The concrete operation step of package unit is as follows:
(1) open air outlet valve Fc gas in gas bottle 5 is drained (gas bottle 5 rain glass is shown as zero);
(2) confirm that F1, F2, F4, F6, Fj, Fc are all closed condition;
(3) Open valve F6, F1 and gas admittance valve Fj successively, injecting gas in gas bottle 5, until tensimeter reaches about 0.3MPa, close Fj, F1, F6 successively, then open air outlet valve Fc, by gas emptying in gas bottle 5, then close air outlet valve Fc immediately, repeat this step 3 time, rinse other impurity in gas bottle 5;
(4) after having rinsed, Open valve F6, F1 and gas admittance valve Fj successively, injecting gas in gas bottle 5, until tensimeter reaches about 0.3MPa, valve-off F6, F1 and gas admittance valve Fj successively;
(5) gas sample acquisition completes, detaching device.
Above-mentioned SF
6gas sample collecting device for air, can utilize air chamber 2 to cushion, keep in, shift the SF of charger 1 output
6gas, simultaneously gas bottle 5 is set to the structure that can ventilate, be vented in two ends, by the cooperation of each connector and valve on gas bottle 5 and air chamber 2, realizes the cleaning to package unit all parts and pipeline very easily, gets rid of gaseous impurities, improve and gather SF
6the purity of gas.
Embodiment 2
As Fig. 3, the difference of the present embodiment and embodiment 1 is: described SF
6gas sample collecting device for air also comprises vacuum pump 3, pressure detecting instrument 4, described air chamber 2 is also provided with vacuum pump 3 connector of band valve, described vacuum pump 3 is connected to vacuum pump 3 connector via the pipeline of gas, the entrance of described pressure detecting instrument 4 connects described device connector via the pipeline of gas, and the outlet of pressure detecting instrument 4 connects described gas admittance valve via the pipeline of gas.
The present embodiment is provided with vacuum pump 3, pressure detecting instrument 4, practical application intermediate pump 3 and pressure detecting instrument 4 are respectively arranged with valve, and vacuum pump 3 connector of band valve is set on described air chamber 2, thus the available mode vacuumized gets rid of the gaseous impurities in package unit, can to common SF
6gas inflated equipment 1 carries out gas sample acquisition, ensures that analyte stable components is reliable; The present embodiment is also reversible simultaneously transfers gas refill device to, realizes a tractor serves several purposes.
As Fig. 3, V1, V2, V3, V4, Vz are respectively the entrance of device connector, equipment connection port, vacuum pump 3 connector, exhausr port, pressure monitoring instrument; F1, F2, F3, F4 phase should be the valve on V1, V2, V3, V4; Valve on F5 position vacuum pump 3; Fz is the valve on pressure detecting instrument 4; Fj, Fc are respectively gas admittance valve and the air outlet valve of sampling jar; F6 gets air pipe 6 gets air valve.
When carrying out SF to vacuumize mode
6during gas sample acquisition, concrete operation step is as follows:
(1) open gas admittance valve Fc gas in sampling gas bottle 5 is drained (sampling jar rain glass is shown as zero);
(2) confirming valve F1, F2, F3, F4, F5 and getting air valve F6, gas admittance valve Fj, air outlet valve Fc, valve Fz is all closed condition;
(3) vacuum pump 3 is opened, Open valve F5, F3, F1, Fz, gas admittance valve Fj successively, carries out vacuumizing process, during required vacuum tightness to be achieved (usual vacuum tightness need≤133pa), valve-off Fz, F1, F3, F5 successively, closes vacuum pump 3 power supply;
(4) air valve F6 and valve F1, Fz are got in unlatching successively, injecting gas in gas bottle 5, until tensimeter reaches about 0.3MPa, close gas admittance valve Fj and valve Fz, F1, F6 successively, then Open valve Fz, F1, F4 successively, residual gas in device is drained, finally valve-off F4, F1, Fz successively;
(5) gas sample acquisition completes, detaching device.
When reversing as gas refill device, concrete operation step is as follows:
(1) after equipment being vacuumized, connect device according to Fig. 3, confirm that gas admittance valve Fj, Fz, F1, F2, F3, F4, F5, F6 are closed condition;
(2) open vacuum pump 3, open F5, F3, F2, F1, Fz successively and pipeline is vacuumized, after required vacuum tightness to be achieved, close Fz, F1, F2, F3, F5 successively, close vacuum pump 3 power supply;
(3) open gas admittance valve Fj, F1, F2, F6 successively, in equipment, be filled with SF
6gas, until pressure reaches desirable value in equipment;
(4) gas admittance valve Fj and valve F1, F2, F6 is closed successively;
(5) equipment recharges gas and completes, detaching device.
As can be seen from above-described embodiment, the utility model has the advantages that:
1, can clean package unit all parts and pipeline, or get rid of the gaseous impurities in package unit by the mode vacuumized, obviously reduce the introducing of impurity in sampling process, reduce sample contamination, reduce finished product SF
6the consumption of gas;
2, the parts such as vacuum pump 3, pressure detecting instrument 4, air chamber 2 can adopt split-type design, and function is well defined, and can be used alone, and also capable of being combinedly use, and handled easily personnel select according to field condition;
3, all connecting lines all adopt rapid-acting coupling, easy and simple to handle, form connecting line two ends from seal structure, are not subject to outside contamination;
4, reversiblely transfer gas refill device to, realize a tractor serves several purposes.
Above-listed detailed description is illustrating for the utility model possible embodiments, and this embodiment is also not used to limit the scope of the claims of the present utility model, does not allly depart from the equivalence that the utility model does and implements or change, and all should be contained in the scope of the claims of this case.
Claims (4)
1. a SF
6gas sample collecting device for air, for gathering SF from charger
6gas, it is characterized in that: the gas bottle comprising the air chamber for transfer gas, both ends open, this air chamber is provided with equipment connection port and the device connector of band valve, the one end open of gas bottle arranges gas admittance valve, other end opening sets out air valve, the outlet of described charger is connected to described equipment connection port via getting air pipe, and described get on air pipe arrange get air valve, described device connector connects described gas admittance valve via the pipeline of gas.
2. SF according to claim 1
6gas sample collecting device for air, it is characterized in that: also comprise vacuum pump, pressure detecting instrument, described air chamber is also provided with the vacuum pump connector of band valve, described vacuum pump is connected to vacuum pump connector via the pipeline of gas, the entrance of described pressure detecting instrument connects described device connector via the pipeline of gas, and the outlet of pressure detecting instrument connects described gas admittance valve via the pipeline of gas.
3. SF according to claim 1 and 2
6gas sample collecting device for air, is characterized in that: described in get air pipe and gas pipeline be the pipe that two ends are provided with self-closed type Pneumatic quick connector.
4. SF according to claim 1 and 2
6gas sample collecting device for air, is characterized in that: described air chamber is also provided with exhausr port, with valve on this exhausr port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180533.2U CN204575396U (en) | 2015-03-27 | 2015-03-27 | A kind of SF 6gas sample collecting device for air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520180533.2U CN204575396U (en) | 2015-03-27 | 2015-03-27 | A kind of SF 6gas sample collecting device for air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204575396U true CN204575396U (en) | 2015-08-19 |
Family
ID=53868015
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520180533.2U Active CN204575396U (en) | 2015-03-27 | 2015-03-27 | A kind of SF 6gas sample collecting device for air |
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| CN (1) | CN204575396U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651565A (en) * | 2015-12-30 | 2016-06-08 | 上海华爱色谱分析技术有限公司 | Field sampling device for SF6 gas analysis |
| CN109470417A (en) * | 2019-01-09 | 2019-03-15 | 青岛泰斯迈仪器设备有限公司 | A kind of leak hunting method of vacuum sample normal pressure detection |
| CN112827979A (en) * | 2020-12-30 | 2021-05-25 | 深圳市步锐生物科技有限公司 | Automatic cleaning device for expired air bag |
-
2015
- 2015-03-27 CN CN201520180533.2U patent/CN204575396U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105651565A (en) * | 2015-12-30 | 2016-06-08 | 上海华爱色谱分析技术有限公司 | Field sampling device for SF6 gas analysis |
| CN109470417A (en) * | 2019-01-09 | 2019-03-15 | 青岛泰斯迈仪器设备有限公司 | A kind of leak hunting method of vacuum sample normal pressure detection |
| CN109470417B (en) * | 2019-01-09 | 2020-07-07 | 青岛泰斯迈仪器设备有限公司 | Leak detection method for vacuum sampling normal pressure detection |
| CN112827979A (en) * | 2020-12-30 | 2021-05-25 | 深圳市步锐生物科技有限公司 | Automatic cleaning device for expired air bag |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |