CN205228896U - Gaseous test sampling device of multi -functional SF6 - Google Patents
Gaseous test sampling device of multi -functional SF6 Download PDFInfo
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- CN205228896U CN205228896U CN201521027090.XU CN201521027090U CN205228896U CN 205228896 U CN205228896 U CN 205228896U CN 201521027090 U CN201521027090 U CN 201521027090U CN 205228896 U CN205228896 U CN 205228896U
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Abstract
The utility model discloses a gaseous test sampling device of multi -functional SF6, including the collection appearance of connecting SF6 equipment, still including dew point hygrometer, decomposition product appearance and the waste gas collection steel bottle be connected with the collection appearance, gather the appearance and all be connected through attach fitting and gas pipeline with SF6 equipment, dew point hygrometer, decomposition product appearance and waste gas collection steel bottle, gather the gas density who is equipped with SF6 equipment on the appearance and check the first manometer of comparison and the second manometer of observing recovery waste gas pressure. This device can realize once putting through two detecting instrument, SF6 gas pressure check with the waste gas collection, use attach fitting jointing equipment and instrument pipeline simultaneously, convenient and fast, work efficiency height. SF6 gas to in the SF6 equipment detects, the waste gas that has detected is unified collect waste gas collect the steel bottle in. This kind of simple preparation is swift, and the detecting instrument that can help each other fast carries out testing, and maneuverability is strong, has alleviateed artifical intensity of labour, save time, and safety ring protects.
Description
Technical field
The utility model relates to a kind of gas test sample devices, particularly relates to a kind of carrying out the SF6 gas for being used as insulating medium in power industry and tests the device adopted.
Background technology
At present, sulfur hexafluoride (SF6) gas is because the arc extinction performance with good electrical insulation properties and excellence is widely used in power industry, the electrical equipment being filled with sulfur hexafluoride gas conventional in transformer station has: isolating switch, current transformer, GIS device etc., test teams and groups need regularly to test the sulfur hexafluoride in these equipment, ensure the normal of equipment and safe operation.In process of the test, Problems existing has three:
1. preventive trial regulations stipulate, needs regularly to need the project of test to comprise humidity and on-the-spot analyte two to the sulfur hexafluoride gas of the said equipment.Be limited to the function of existing instrument now, these two projects can not be carried out simultaneously, need to be divided into two kinds of instruments and carry out for twice.
2. the safe operation of power equipment is based upon on the basis of sulfur hexafluoride gas nominal pressure, observe according to the gas densitometer of apparatus body in the process that operations staff makes an inspection tour, but, gas densitometer probably damages due to various environment reason in equipment running process, be necessary the gas gauge adding an annual periodic check before channel valve, the gas densitometer of apparatus body is checked.
3. in addition, sulfur hexafluoride gas in power equipment can produce the toxic gas such as sulphuric dioxide, sulfuretted hydrogen with impurity reaction in operational process under the effect of electric arc, directly pollute the environment discharged to air, this toxic gas of long-term suction also can affect health.
For problem 1, present common solution is in the gas circuit of equipment connection, connect a T-valve, gas circuit is divided into two sections, and the testing tool accessing humidity and on-the-spot analyte is respectively tested; For problem 2, present common solution is an external rain glass in the gas circuit of equipment connection, contrast rain glass and the densitometric numerical value difference of apparatus body; For problem 3, present common solution is position exhaust vent being placed on lower air port, reduces the risk that testing crew sucks toxic gas, directly causes the problem of atmospheric pollution also not have ready-made solution now discharged to air.
But external T-valve and rain glass need assembled in situ, consume a large amount of time and efforts, work efficiency is low; Exhaust vent is placed on lower tuyere position, sucks the possibility of toxic gas although can reduce, for not having wind, or the indefinite situation of wind direction still has the possibility of the larger toxic gas of suction, is directly disposed to air and is also unfavorable for environmental protection.
Utility model content
The purpose of this utility model is the shortcoming in order to overcome above-mentioned prior art; a kind of multi-functional SF6 gas test sampling apparatus is provided; multi-channel gas valve, gas densitometer inspection and this three samples function of test gas sampling concentrate on a table apparatus by this multi-functional SF6 gas test sampling apparatus; the rapid-acting coupling access tracheaes such as collar joint are utilized to substantially increase work efficiency; and realize multi-channel measurement and gas densitometer checks two functions simultaneously; test gas sampling is got up to ensure the health of present operating personnel, again can protection of the environment.
The utility model solves the technical scheme that its technical matters adopts: a kind of multi-functional SF6 gas test sampling apparatus, comprise the Acquisition Instrument connecting SF6 equipment, also include the dew point hygrometer, decomposition product instrument and the gas sampling steel cylinder that are connected with Acquisition Instrument, Acquisition Instrument is all connected by jointing and gas pipeline with SF6 equipment, dew point hygrometer, decomposition product instrument and gas sampling steel cylinder; Acquisition Instrument is provided with checks the first tensimeter compared and the second tensimeter observing recovery exhaust gas pressure to the gas density of SF6 equipment; Dew point hygrometer is provided with dew point hygrometer air intake opening and dew point hygrometer gas outlet, decomposition product instrument is provided with decomposition product instrument air intake opening Sum decomposition product instrument gas outlet, Acquisition Instrument is respectively equipped with the first gas outlet be connected with dew point hygrometer air intake opening, the second gas outlet be connected with decomposition product instrument air intake opening, collects the 3rd gas outlet that steel cylinder is connected, the first air intake opening be connected with dew point hygrometer gas outlet, the second air intake opening be connected with decomposition product instrument gas outlet, and the 3rd air intake opening of SF6 equipment connection with discarded.This device can realize once connecting two detecting instruments, SF6 gaseous tensions and check and gas sampling, and use jointing connection device and instrument pipeline, convenient and swift, work efficiency is high simultaneously.SF6 gas in SF6 equipment is detected, in the unified gas sampling steel cylinder be collected in of the waste gas detected.This kind of method is simple and efficient, and detecting instrument of can helping each other fast carries out detection experiment, workable, alleviates hand labor intensity, saves time, safety and environmental protection.
Further, the first described tensimeter is connected with the 3rd air intake opening, first tensimeter is sequentially connected in series the air inlet adjustment valve be located in Acquisition Instrument, the first pressure switch, first pressure switch is connected in parallel to two first throttle valves, and two first throttle valves are connected with the first gas outlet and the second gas outlet respectively; First air intake opening and the second air intake opening are connected in parallel to the flowmeter be located in Acquisition Instrument, flowmeter is sequentially connected in series the second throttle be located in Acquisition Instrument, solenoid valve, the second pressure switch, vacuum pump and the second tensimeter, and the second tensimeter is connected with the 3rd gas outlet.
Further, described jointing is collar joint.Be formed by connecting with collar joint, blanket gas earial drainage.
Further, described gas sampling steel cylinder is 4L gas bomb.
In sum; multi-channel gas valve, gas densitometer inspection and this three samples function of test gas sampling concentrate on a table apparatus by multi-functional SF6 gas test sampling apparatus of the present utility model; the rapid-acting coupling access tracheaes such as collar joint are utilized to substantially increase work efficiency; and realize multi-channel measurement and gas densitometer checks two functions simultaneously; test gas sampling is got up to ensure the health of present operating personnel, again can protection of the environment.
Accompanying drawing explanation
Fig. 1 is the connection diagram of a kind of multi-functional SF6 gas test sampling apparatus of the utility model embodiment 1;
Fig. 2 is the inside connection diagram of Acquisition Instrument.
Embodiment
Embodiment 1
One described by the present embodiment 1 multi-functional SF6 gas test sampling apparatus, as shown in Figure 1, comprise the Acquisition Instrument 2 connecting SF6 equipment 1, also include the dew point hygrometer 3, decomposition product instrument 4 and the gas sampling steel cylinder 5 that are connected with Acquisition Instrument, Acquisition Instrument is all connected by jointing 7 and gas pipeline 6 with SF6 equipment, dew point hygrometer, decomposition product instrument and gas sampling steel cylinder; Acquisition Instrument is provided with checks the first tensimeter 8 compared and the second tensimeter 9 observing recovery exhaust gas pressure to the gas density of SF6 equipment; Dew point hygrometer is provided with dew point hygrometer air intake opening 10 and dew point hygrometer gas outlet 11, decomposition product instrument is provided with decomposition product instrument air intake opening 12 Sum decomposition product instrument gas outlet 13, Acquisition Instrument is respectively equipped with the first gas outlet 14 be connected with dew point hygrometer air intake opening, the second gas outlet 15 be connected with decomposition product instrument air intake opening, collects the 3rd gas outlet 16 that steel cylinder is connected, the first air intake opening 17 be connected with dew point hygrometer gas outlet, the second air intake opening 18 be connected with decomposition product instrument gas outlet, and the 3rd air intake opening 19 of SF6 equipment connection with discarded.This device can realize once connecting two detecting instruments, SF6 gaseous tensions and check and gas sampling, and use jointing connection device and instrument pipeline, convenient and swift, work efficiency is high simultaneously.SF6 gas in SF6 equipment is detected, in the unified gas sampling steel cylinder be collected in of the waste gas detected.This kind of method is simple and efficient, and detecting instrument of can helping each other fast carries out detection experiment, workable, alleviates hand labor intensity, saves time, safety and environmental protection.
As shown in Figure 2, this first tensimeter is connected with the 3rd air intake opening, first tensimeter is sequentially connected in series air inlet adjustment valve 20, first pressure switch 21 be located in Acquisition Instrument, first pressure switch is connected in parallel to two first throttle valves, 22, two first throttle valves and is connected with the first gas outlet and the second gas outlet respectively; First air intake opening and the second air intake opening are connected in parallel to the flowmeter 23 be located in Acquisition Instrument, flowmeter is sequentially connected in series the second throttle 24 be located in Acquisition Instrument, solenoid valve 25, second pressure switch 26, vacuum pump 27 and the second tensimeter, and the second tensimeter is connected with the 3rd gas outlet.
This jointing is collar joint.Be formed by connecting with collar joint, blanket gas earial drainage.
This gas sampling steel cylinder is 4L gas bomb.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (4)
1. a multi-functional SF6 gas test sampling apparatus, it is characterized in that, comprise the Acquisition Instrument connecting SF6 equipment, also include the dew point hygrometer, decomposition product instrument and the gas sampling steel cylinder that are connected with Acquisition Instrument, Acquisition Instrument is all connected by jointing and gas pipeline with SF6 equipment, dew point hygrometer, decomposition product instrument and gas sampling steel cylinder; Acquisition Instrument is provided with checks the first tensimeter compared and the second tensimeter observing recovery exhaust gas pressure to the gas density of SF6 equipment; Dew point hygrometer is provided with dew point hygrometer air intake opening and dew point hygrometer gas outlet, decomposition product instrument is provided with decomposition product instrument air intake opening Sum decomposition product instrument gas outlet, Acquisition Instrument is respectively equipped with the first gas outlet be connected with dew point hygrometer air intake opening, the second gas outlet be connected with decomposition product instrument air intake opening, collects the 3rd gas outlet that steel cylinder is connected, the first air intake opening be connected with dew point hygrometer gas outlet, the second air intake opening be connected with decomposition product instrument gas outlet, and the 3rd air intake opening of SF6 equipment connection with discarded.
2. one according to claim 1 multi-functional SF6 gas test sampling apparatus, it is characterized in that, the first described tensimeter is connected with the 3rd air intake opening, first tensimeter is sequentially connected in series the air inlet adjustment valve be located in Acquisition Instrument, the first pressure switch, first pressure switch is connected in parallel to two first throttle valves, and two first throttle valves are connected with the first gas outlet and the second gas outlet respectively; First air intake opening and the second air intake opening are connected in parallel to the flowmeter be located in Acquisition Instrument, flowmeter is sequentially connected in series the second throttle be located in Acquisition Instrument, solenoid valve, the second pressure switch, vacuum pump and the second tensimeter, and the second tensimeter is connected with the 3rd gas outlet.
3. one according to claim 2 multi-functional SF6 gas test sampling apparatus, is characterized in that, described jointing is collar joint.
4. one according to claim 3 multi-functional SF6 gas test sampling apparatus, is characterized in that, described gas sampling steel cylinder is 4L gas bomb.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027090.XU CN205228896U (en) | 2015-12-12 | 2015-12-12 | Gaseous test sampling device of multi -functional SF6 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521027090.XU CN205228896U (en) | 2015-12-12 | 2015-12-12 | Gaseous test sampling device of multi -functional SF6 |
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| CN205228896U true CN205228896U (en) | 2016-05-11 |
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| CN201521027090.XU Active CN205228896U (en) | 2015-12-12 | 2015-12-12 | Gaseous test sampling device of multi -functional SF6 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442029A (en) * | 2016-09-08 | 2017-02-22 | 国网上海市电力公司 | SF6 sampling device for GIS equipment |
| CN107314919A (en) * | 2017-07-18 | 2017-11-03 | 贵州大学 | A kind of sampling sampling and testing device for shale gas exploitation |
| CN108387411A (en) * | 2018-05-24 | 2018-08-10 | 夏文斌 | A kind of gas sampling assembly for acquiring car air conditioner refrigerant |
-
2015
- 2015-12-12 CN CN201521027090.XU patent/CN205228896U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442029A (en) * | 2016-09-08 | 2017-02-22 | 国网上海市电力公司 | SF6 sampling device for GIS equipment |
| CN107314919A (en) * | 2017-07-18 | 2017-11-03 | 贵州大学 | A kind of sampling sampling and testing device for shale gas exploitation |
| CN108387411A (en) * | 2018-05-24 | 2018-08-10 | 夏文斌 | A kind of gas sampling assembly for acquiring car air conditioner refrigerant |
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