CN201681003U - Portable sulfur hexafluoride gas sampling device - Google Patents
Portable sulfur hexafluoride gas sampling device Download PDFInfo
- Publication number
- CN201681003U CN201681003U CN2010201827998U CN201020182799U CN201681003U CN 201681003 U CN201681003 U CN 201681003U CN 2010201827998 U CN2010201827998 U CN 2010201827998U CN 201020182799 U CN201020182799 U CN 201020182799U CN 201681003 U CN201681003 U CN 201681003U
- Authority
- CN
- China
- Prior art keywords
- valve
- sulfur hexafluoride
- push rod
- hexafluoride gas
- bottle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
A portable sulfur hexafluoride gas sampling device comprises a gas washing bottle, a bottle sampler, a connecting pipe, a first control valve, a second control valve and a blow down valve, wherein the second control valve, the first control valve and the blow down valve are sequentially arranged on the connecting pipe in a connected manner from an air inlet to a vent; the blow down valve and the vent are matched for operation; the bottle mouth of the bottle sampler is matched and connected with the second control valve; and the bottle mouth of the gas washing bottle is matched and connected with the first control valve. After the sampling device is vacuumized, the blow down valve is switched on to blow down the connecting pipe at first, then the blow down valve is switched off and the first control valve is switched on, the gas washing bottle conducts gas washing, and finally the first control valve is switched off and the second control valve is switched on for the sampling of the bottle sampler. The constituent and status of the sampled sulfur hexafluoride gas are considerably closer to that of the original sulfur hexafluoride gas in high-voltage electrical equipment to be tested, thereby ensuring the precision of the test data; moreover, the device has the advantages of simple structure and reasonable design, thereby being very applicable to the on-line UPS (uninterruptible power supply) test of the conventional high-voltage electrical equipment.
Description
Technical field:
The utility model relates to high-tension switch gear detection technique field, relates in particular to a kind of portable sulfur hexafluoride gas sampler.
Background technology:
At present, sulfur hexafluoride (SF6) gas has good insulation performance performance and arc extinction performance, and present stage is widely used in the high voltage electric equipment, under nominal situation, is comparatively desirable insulation and arc-extinguishing medium.The safe and reliable work that parameters such as the kind of its purity, dew point, micro-water content, decomposition product and content are dredged the gas high voltage electric equipment to hexafluoroization has direct influence, therefore, the country and the relevant criterion of power industry such as GB8905 1 " The guide for processing and measuring SF6 gas in power apparatus ", DL/T639 1 " sulfur hexafluoride electrical equipment operation, test and maintainer's security protection detailed rules and regulations " all regulation want regular to the check and analysis of taking a sample of the sulfur hexafluoride in the high voltage electric equipment (SF6) gas.
At present, determining the method for impurity content in the sulfur hexafluoride gas in the world, is to extract in gas sample to a rustless steel container from suspicious high voltage electric equipment, transports to the laboratory then and does analysis.But, on-the-spot sample gas is collected in the process of breadboard storage and transportation, high-activity compound in the sample gas possibly with sampling container in impurity further chemical reaction takes place, cause the decomposition of sample gas and contaminated, cause the inaccurate of analysis result simultaneously, there is up-to-date style gas also can scatter and disappear, equally also causes the result inaccurate.
The utility model content:
The purpose of this utility model provides a kind of portable sulfur hexafluoride gas sampler.
A kind of portable sulfur hexafluoride gas sampler, wherein: comprise Drexel bottle, sampling bottle, connecting pipe, first operation valve, second operation valve, blow down valve, connect successively second operation valve, first operation valve, blow down valve are set from air intake opening toward the vent hole direction on the connecting pipe, blow down valve and vent hole cooperating, the bottleneck of sampling bottle and second operation valve are connected, and the bottleneck of Drexel bottle and first operation valve are connected.
Described portable sulfur hexafluoride gas sampler, wherein: described blow down valve comprises valve body, valve inside, stair-stepping first push rod, stage clip, first push rod is arranged in the push rod chamber of establishing in the valve body, the first push rod front portion is socketed in the stage clip, the stage clip front end is pressed on the push rod cavity wall of the first push rod front, the position of the corresponding first push rod front end has and is used for the through hole that is communicated with connecting pipe on the front end face in push rod chamber, valve inside is arranged in the through hole, and second push rod on the valve inside is towards the first push rod front end face.
Described portable sulfur hexafluoride gas sampler, wherein: first tensimeter is set in the Drexel bottle, second tensimeter is set on the sampling bottle.
Described portable sulfur hexafluoride gas sampler, wherein: the air intake opening of connecting pipe is provided with and is used to connect the self-enclosed straight joint of being with of delivery pipe.
Described portable sulfur hexafluoride gas sampler, wherein: first operation valve, second operation valve are stop valve.
The utility model will reach following technique effect after adopting technique scheme:
Portable sulfur hexafluoride gas sampler of the present utility model, Drexel bottle in will installing earlier, vacuumize in sampling bottle and the connecting pipe, the gas outlet that connects sulfur hexafluoride gas high voltage electric equipment to be detected by air intake opening, open blow down valve, make the sulfur hexafluoride gas in the high voltage electric equipment rely on air pressure to purge the connecting pipe of the utility model sampler earlier, be used to drive away original gas in the connecting pipe, shut-down purge valve again, open first stop valve then, making hexafluoroization dredge gas enters in the Drexel bottle, when the air pressure in the Drexel bottle arrives setting value, close first stop valve, open second stop valve then, make sulfur hexafluoride gas enter sampling bottle, when the air pressure in the sampling bottle reaches setting value, close second stop valve, can portable sulfur hexafluoride gas sampler be sent to the laboratory and detect; As above as seen, after the collection through purging in the connecting pipe and Drexel bottle, enter the composition and the interior original composition and the state of sulfur hexafluoride gas of the approaching greatly high voltage electric equipment to be measured of state of sulfur hexafluoride gas in the sampling bottle, compared to existing technology, portable sulfur hexafluoride gas sampler of the present utility model, the sulfur hexafluoride gas that can guarantee to sample is more satisfactoryly near original sulfur hexafluoride gas in the Devices to test, guaranteed to detect the degree of accuracy of data, secondly, portable sulfur hexafluoride gas sampler of the present utility model is simple in structure, reasonable in design, can be at sulfur hexafluoride gas high voltage electric equipment operation collection in worksite sample, do not need electric power auxiliary, it is convenient and swift to take a sample, and easy to carry, easy operating, durable, be very suitable for the detection under the sulfur hexafluoride gas high voltage electric equipment duty.
Description of drawings:
Fig. 1 is the structure principle chart of portable sulfur hexafluoride gas sampler of the present utility model;
Fig. 2 is the vertical view that has phantom view of sampler shown in Figure 1.
Embodiment:
A kind of portable sulfur hexafluoride gas sampler, as shown in Figure 1, comprise Drexel bottle 25, sampling bottle 26, the first tensimeter 19a, the second tensimeter 19b, connecting pipe 10, with self-enclosed straight joint 17, delivery hose 24, first stop valve 22, second stop valve 23, blow down valve 20, connect delivery hose 24 with self-enclosed straight joint 17 1 ends, the other end connects the air intake opening of described connecting pipe 10, the free end of delivery hose 24 is used to connect the gas outlet of sulfur hexafluoride gas high voltage electric equipment to be detected, on the connecting pipe 10 from the air intake opening to the vent hole 21 direction connect successively second stop valve 23 be set, first stop valve 22, blow down valve 20, vent hole 21 is arranged on the valve body of blow down valve 20, is used for and blow down valve 20 cooperatings; The bottleneck of sampling bottle 26 connects second stop valve 23 by the second tensimeter 19b, and the bottleneck of Drexel bottle 25 connects first stop valve 22 by the first tensimeter 19a.
Connecting pipe 10 is a stainless-steel tube, and inner shaft is to being arranged with snorkel 11, and as the cut-open view of Fig. 2 connecting pipe and relevant portion, snorkel 11 is used to carry sulfur hexafluoride gas, and snorkel 11 also adopts stainless steel material.
In the present embodiment, first stop valve 22, second stop valve 23 is identical, with second stop valve 23 is the example explanation, second stop valve 23 comprises handwheel 1, valve rod 8, gland nut 2, valve seat 6, valve body 9, be provided with the through hole 7 that is used for the horizontal direction that is communicated with snorkel 11 in the valve body 9, valve seat 6 is 90 degree with valve body 9 and is equipped with, valve seat 6 front ends are provided with gland nut 2, valve rod 8 one ends are fixedlyed connected with handwheel 1, the other end passes gland nut 2 upper valve rod holes and is arranged in the valve rod hole vertical with through hole 7 that is provided with in the valve seat 6, internal thread 5 is set on the inwall of valve rod hole, the external thread that matches with internal thread 5 is set on the outer wall of valve rod 8, the front end of valve rod 8 is arranged to taper, the air hole that is provided with valve seat 6 rear portions matches, rotation hand wheel 1 is pushed valve rod 8 to the direction of valve body 9, make the tapered front end of valve rod 8 block the air hole that valve seat 6 rear portions are provided with, second stop valve 23 just ends, rotation hand wheel 1 is pulled back the direction of valve rod 8 from valve body 9 toward handwheel 1, the tapered front end of valve rod 8 is lifted off a seat air hole that 6 rear portions are provided with, second stop valve 23 is just opened, at this moment, can enter sampling bottle by second stop valve 23 by delivery hose 24 and the sulfur hexafluoride gas that enters with self-enclosed straight joint 17.The structure of first stop valve 22 is identical with second stop valve 23, repeats no more here.
Described blow down valve 20 comprises joint 16, valve body 4, valve inside 13, first push rod 15 that axial cross section is stepped, stage clip 14, joint 16 cooperations are pressed on the valve body 4, first push rod 15 is arranged in the push rod chamber of establishing in the valve body 4, the less part of first push rod, 15 diameters is socketed in the stage clip 14, stage clip 14 front ends are pressed on the push rod cavity wall of first push rod, 15 fronts, the position of corresponding first push rod, 15 front ends has and is used for the through hole 29 that is communicated with connecting pipe on the front end face in push rod chamber, valve inside 13 is arranged in the through hole 29, the second push rod 13a on the valve inside 13 is towards the 15 front end face settings of first push rod, oppress first push rod 15 vertically, stage clip 14 is compressed, first push rod 15 withstands the second push rod 13a of valve inside 13, can make valve inside 13 be in aeration status, at this moment, the vent hole 21 that is arranged on the blow down valve 20 is communicated with snorkel 11, can exit, if decontrol first push rod 15, because the effect of stage clip 14, first push rod 15 resets, the second push rod 13a on the roof pressure valve inside 13 no longer, valve inside 13 resets and is cut-off state, no longer ventilation.
When portable sulfur hexafluoride gas sampler of the present utility model is worked, earlier by vacuum extractor with Drexel bottle 25, sampling bottle 26, snorkel 11 vacuumizes, afterwards with blow down valve 20, first stop valve 27, second stop valve 28 is closed, all be in cut-off state, the gas outlet that the free end of delivery hose 24 is used to connect sulfur hexafluoride gas high voltage electric equipment to be detected, open blow down valve 20, sulfur hexafluoride gas purges snorkel 11 inside earlier and by vent hole 21 exhausts, with remaining impurities gas in the cleaning snorkel 11, shut-down purge valve 20 is to block vent hole 21 then, then open first stop valve 22, earlier to inflation in the Drexel bottle 25, further discharge the foreign gas in the snorkel 11, after the first tensimeter 19a shows that this moment, pressure arrived the force value of setting, close first stop valve 22, open second stop valve 23 again, hexafluoroization is dredged gas and is entered sampling bottle 26, enter sulfur hexafluoride gas in the sampling bottle 26 this moment more satisfactoryly near original sulfur hexafluoride gas in the Devices to test, when the pressure of second tensimeter 19b demonstration has arrived the force value of setting, closing second stop valve 23 gets final product, to get excellent portable sulfur hexafluoride gas sampler and be sent to testing laboratory, can chemically examine the sulfur hexafluoride gas in the sampling bottle 26.
In the present embodiment, adopt accurate air locking, can not produce gas and leak; The inner layer material of all contact sulfur hexafluoride gas all passes through special processing, can not produce the absorption and the secondary pollution of sample gas, and the gaseous sample that further assurance obtains is done the accuracy of experimental data.
Claims (5)
1. portable sulfur hexafluoride gas sampler, it is characterized in that: comprise Drexel bottle, sampling bottle, connecting pipe, first operation valve, second operation valve, blow down valve, connect successively second operation valve, first operation valve, blow down valve are set from air intake opening toward the vent hole direction on the connecting pipe, blow down valve and vent hole cooperating, the bottleneck of sampling bottle and second operation valve are connected, and the bottleneck of Drexel bottle and first operation valve are connected.
2. portable sulfur hexafluoride gas sampler as claimed in claim 1, it is characterized in that: described blow down valve comprises valve body, valve inside, stair-stepping first push rod, stage clip, first push rod is arranged in the push rod chamber of establishing in the valve body, the first push rod front portion is socketed in the stage clip, the stage clip front end is pressed on the push rod cavity wall of the first push rod front, the position of the corresponding first push rod front end has and is used for the through hole that is communicated with connecting pipe on the front end face in push rod chamber, valve inside is arranged in the through hole, and second push rod on the valve inside is towards the first push rod front end face.
3. portable sulfur hexafluoride gas sampler as claimed in claim 1 or 2 is characterized in that: first tensimeter is set in the Drexel bottle, second tensimeter is set on the sampling bottle.
4. portable sulfur hexafluoride gas sampler as claimed in claim 3 is characterized in that: the air intake opening of connecting pipe is provided with and is used to connect the self-enclosed straight joint of being with of delivery pipe.
5. portable sulfur hexafluoride gas sampler as claimed in claim 4 is characterized in that: first operation valve, second operation valve are stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201827998U CN201681003U (en) | 2010-05-07 | 2010-05-07 | Portable sulfur hexafluoride gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201827998U CN201681003U (en) | 2010-05-07 | 2010-05-07 | Portable sulfur hexafluoride gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201681003U true CN201681003U (en) | 2010-12-22 |
Family
ID=43346043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201827998U Expired - Fee Related CN201681003U (en) | 2010-05-07 | 2010-05-07 | Portable sulfur hexafluoride gas sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201681003U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062153A (en) * | 2014-06-17 | 2014-09-24 | 中国船舶重工集团公司第七一八研究所 | Blowing sampling system and blowing sampling method for analysis of content of impurities gas |
| CN107591725A (en) * | 2017-10-26 | 2018-01-16 | 广东电网有限责任公司电力科学研究院 | A kind of SF6Gas-insulated ring network cabinet collector |
| CN108007730A (en) * | 2014-06-09 | 2018-05-08 | 国网山东省电力公司潍坊供电公司 | A kind of power equipment easy to carry is standby with sulfur hexafluoride sampling cartridge |
-
2010
- 2010-05-07 CN CN2010201827998U patent/CN201681003U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108007730A (en) * | 2014-06-09 | 2018-05-08 | 国网山东省电力公司潍坊供电公司 | A kind of power equipment easy to carry is standby with sulfur hexafluoride sampling cartridge |
| CN104062153A (en) * | 2014-06-17 | 2014-09-24 | 中国船舶重工集团公司第七一八研究所 | Blowing sampling system and blowing sampling method for analysis of content of impurities gas |
| CN107591725A (en) * | 2017-10-26 | 2018-01-16 | 广东电网有限责任公司电力科学研究院 | A kind of SF6Gas-insulated ring network cabinet collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203894243U (en) | Automatic sulfur hexafluoride online sampling and detecting device | |
| CN105651565A (en) | Field sampling device for SF6 gas analysis | |
| CN201681003U (en) | Portable sulfur hexafluoride gas sampling device | |
| CN111239573A (en) | Online diagnosis method and device for internal fault of sulfur hexafluoride electrical equipment | |
| CN112050084A (en) | Gas collection and sampling device | |
| CN105181856A (en) | Automatic detection device for insulated gas of single-hole sulfur hexafluoride electrical equipment | |
| CN205301017U (en) | A on --spot sampling device for SF6 gas analysis | |
| CN211955717U (en) | On-line monitoring device | |
| CN205229122U (en) | Little water content on -line automatic detection device of sulfur hexafluoride | |
| CN205333371U (en) | Empty gas analysis of branch that can arrange sweeping gas outward concentrates sample cabinet | |
| CN205228896U (en) | Gaseous test sampling device of multi -functional SF6 | |
| CN203837980U (en) | Gas sampling device | |
| CN205139004U (en) | Sulfur hexafluoride gas composition sampling analysis device | |
| CN110441096A (en) | Transformer gas gas producing device | |
| CN208013182U (en) | A kind of switchgear air separation analyte detection device | |
| CN201107223Y (en) | SF6 gas sampler | |
| CN110314486A (en) | A kind of Portable sulphur hexafluoride tail gas recycle and purification device | |
| CN202216945U (en) | Instrument for quality analysis of sulfur hexafluoride gas in electric equipment | |
| CN205301255U (en) | Automatic detection apparatus for be used for haplopore formula sulfur hexafluoride electrical equipment insulating gas | |
| CN208383565U (en) | A kind of enrichment of sulfur hexafluoride gas decomposition product, resolver | |
| CN203849067U (en) | Transformer gas relay sampling device | |
| CN207488258U (en) | A kind of SF6Decomposition product detector calibration equipment | |
| CN209525327U (en) | SF6Purity analysis sampling device | |
| CN217384896U (en) | Sulfur hexafluoride sampling case | |
| CN209496015U (en) | A kind of GIS gas-detecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20180507 |