CN102095559B - Calibration device of on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm - Google Patents
Calibration device of on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm Download PDFInfo
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- CN102095559B CN102095559B CN201110002876A CN201110002876A CN102095559B CN 102095559 B CN102095559 B CN 102095559B CN 201110002876 A CN201110002876 A CN 201110002876A CN 201110002876 A CN201110002876 A CN 201110002876A CN 102095559 B CN102095559 B CN 102095559B
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- 238000012544 monitoring process Methods 0.000 title abstract description 4
- 229910018503 SF6 Inorganic materials 0.000 title abstract 5
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title abstract 5
- 229960000909 sulfur hexafluoride Drugs 0.000 title abstract 2
- 238000012360 testing method Methods 0.000 claims abstract description 27
- 238000012546 transfer Methods 0.000 claims description 18
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 32
- 238000000034 method Methods 0.000 description 5
- 230000006837 decompression Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The invention relates to a calibration device of an on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm, which is connected with equipment via a test pipeline by quick insertion. One path can be used for detecting a qualitative SF6 alarm transducer by a tee-joint adapter, and the other path can be used for detecting a qualitative alarm module. Thus, the on-site calibration device can be suitable for calibrating the qualitative and quantitative on-site SF6-O2 leak monitoring alarm for any manufacturer. The calibration device comprises a shell, wherein an air supply device is installed in the shell and is connected with an air admission test switching valve arranged on the outer wall of the shell; one path of the air admission test switching valve is connected with an inflation system, and the other path of the air admission test switching valve is connected with a sample air valve arranged on the outer wall of the shell by a pressure reduction and stabilization device and a flowmeter; the sample air valve is connected with a three joint; one path of the tee joint is connected with an air outlet which is arranged on the outer wall of the shell for connecting a test pipeline; the other path of the tee joint is connected with a vacuum system; and the vacuum system is connected with an air valve arranged on the outer wall of the shell.
Description
Technical field
The present invention is a kind of SF
6-O
2Leak supervision alarm on-site calibration device is to solve SF in service
6-O
2The problem of leak supervision alarm on-line calibration.
Background technology
According to generating plant and electric substation's electric part relevant regulations in " electrical safe working order ", the indoor SF that is equipped with
6The online SF of operation must be equipped with in the equipment work place
6-O
2Leak supervision alarm, and periodic check guarantee intact.SF
6-O
2The leak supervision alarm is mainly used in SF in the monitoring office work surrounding air
6G&O content, SF in air
6Gas concentration surpasses 1000 μ L/L or airborne oxygen level is lower than at 18% o'clock, carries out Realtime Alerts and starts air discharging facility.We can say that its performance quality directly has influence on operation maintenance personnel's personal safety.
The online SF of existing operation
6-O
2The leak supervision alarm has quantitatively and qualitative two kinds; Classification has negative corona method, semiconductor process, thermal conductivity method, supercritical ultrasonics technology, infrared absorption method, laser method etc. again according to Fundamentals of Sensors; And the product appearance of each manufacturer production and sampling mode are different again, owing to lack moving online SF now
6-O
2The leak supervision alarm carries out the means of field-checking, causes behind the equipment installation and operation on-line testing regularly.SF like this
6-O
2After the leak supervision alarm operation whether accurately and can start problems such as blower fan air draft, infrared phonetic function be whether normal after whether reporting to the police and have to be solved.To online SF
6-O
2There is such problem in the leak supervision alarm, is necessary to provide a kind of on-site calibration device.
Summary of the invention
The object of the invention is exactly in order to overcome the SF of existing on-line operation
6-O
2Leak supervision alarm scene can't verification, can not find in time that whether its running precision, warning air draft, human body infrared induction exist the problem of defective, provide a kind of SF
6-O
2Leak supervision alarm on-site calibration device, it is connected with equipment through too fast inserting through testing conduit, can detect qualitative SF through threeway adaptor one tunnel then
6Alarm transmitter, another road can detect quantitative alarm module, like this applicable to qualitative, the quantitative online SF of any manufacturer
6-O
2The verification work of leak supervision alarm.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of SF
6-O
2Leak supervision alarm on-site calibration device; It comprises housing; Compressed air source unit is installed in housing; Said compressed air source unit is connected with tonifying Qi test transfer valve on being arranged on the housing outer wall, and tonifying Qi test transfer valve one tunnel is connected with gas charging system, and reduce pressure stable-pressure device and flowmeter of another Lu Zejing is connected with a kind air valve on being arranged on the housing outer wall; The appearance air valve is connected with threeway, threeway one tunnel be arranged on the housing outer wall on be used to be connected the gas vent connection of testing conduit, another Lu Zeyu vacuum system connection of threeway, vacuum system is connected with air valve on being arranged on the housing outer wall.
Said air valve also is connected with air flowmeter, and air flowmeter is connected with filtrator.
Said vacuum system comprises vacuum pump, and vacuum pump is connected with vacuum pump switch; Vacuum pump switch is connected with power supply.
Said gas charging system comprises self-styled valve, and self-styled valve is connected with gas ducting.
Said compressed air source unit is a gas cylinder, and it is installed on the gas-cylinder retaining assembly, and is connected with tonifying Qi test transfer valve through the bottle valve that is arranged on the housing outer wall.
The present invention is in use:
1, gas cylinder inflation: connect gas ducting; Open bottle valve, transfer valve is tested in tonifying Qi adjusted to aerating position, what tonifying Qi test this moment transfer valve was connected with the stable-pressure device that reduces pressure a road is in closed condition; What be connected with gas ducting a road is in open mode, gets final product from the inflation inlet inflation.
2 if the modulated gas for preparing; Then directly use: connect testing conduit, open bottle valve, appearance air valve and tonifying Qi test transfer valve, and a road close what tonifying Qi tested that transfer valve is connected with gas ducting; What will be connected with the decompression stable-pressure device a road opens, and tests then.
3 if gas needs allotment: connect testing conduit; Open bottle valve, appearance air valve, air valve, tonifying Qi test transfer valve; And a road close what tonifying Qi tested that transfer valve is connected with gas ducting; With a road opening that the decompression stable-pressure device is connected, regulate kind airshed meter and air flowmeter according to demand, open vacuum pump; Close vacuum pump earlier after use finishing, close all valves then, transfer valve is tested in tonifying Qi transferred to a road opening of being connected with gas ducting, the road position closed that is connected with the stable-pressure device that reduces pressure.
The invention has the beneficial effects as follows: simple in structure, easy to use, have very high stability, reappearance and precision, do not receive environment temperature, humidity, Effects of Noise, and be easy to carry.
Description of drawings
Fig. 1 is a structural drawing of the present invention;
Fig. 2 is internal duct catenation principle figure of the present invention;
Wherein: 1 housing, 2 handles, 3 self-styled valves, 4 kinds of air valves, 5 flowmeters; 6 vacuum pump switch, 7 air flowmeter, 8 power supplys, 9 storage pressure display device, 10 air valves; 11 gas outlets, 12 tonifying Qi test transfer valve, 13 bottle valves, 14 gas cylinders; 15 gas-cylinder retaining assemblies, 16 decompression stable-pressure devices, 17 vacuum pumps, 18 filtrators.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like Fig. 1, shown in Figure 2, it comprises housing 1, and housing 1 is provided with handle 2.In housing 1, compressed air source unit is installed; Said compressed air source unit is tested transfer valve 12 with the tonifying Qi on being arranged on housing 1 outer wall and is connected; Tonifying Qi test transfer valve 12 one tunnel is connected with gas charging system, and another Lu Zejing storage pressure display device 9, reduce pressure stable-pressure device 16 and flowmeter 5 are connected with a kind air valve 4 on being arranged on housing 1 outer wall; Appearance air valve 4 is connected with threeway, threeway one tunnel be arranged on housing 1 outer wall on be used to be connected gas vent 11 connections of testing conduit, another Lu Zeyu vacuum system connection of threeway, vacuum system is connected with air valve 10 on being arranged on housing 1 outer wall.
Said air valve 10 also is connected with air flowmeter 7, and air flowmeter 7 is connected with filtrator 18.
Said vacuum system comprises vacuum pump 17, and vacuum pump 17 is connected with vacuum pump switch 6; Vacuum pump switch 6 is connected with power supply 8.
Said gas charging system comprises self-styled valve 3, and self-styled valve 3 is connected with gas ducting.
Said compressed air source unit is a gas cylinder 14, and it is installed on the gas-cylinder retaining assembly 15, and is connected with tonifying Qi test transfer valve 12 through the bottle valve 13 that is arranged on housing 1 outer wall.
Wherein, self-styled valve 3 connects the tonifying Qi pipeline when tonifying Qi; 4 in air valve of appearance is the switch that control mixes required appearance gas; Flowmeter 5 is used to observe and regulate the flow that mixes required appearance gas; The switch whether vacuum pump switch 6 control vacuum-pump power supplies are connected; Storage pressure display device 9 is used for observing the pressure of gas cylinder; Air valve 10 mixes the switch of required air for control; Gas outlet 11 is the combination gas gas outlet, links to each other with testing conduit; Tonifying Qi test transfer valve 12 is used to switch gas compensation function and test function; Do not close when bottle valve 13 does not use, be used to control the switching of gas cylinder 14; Gas cylinder 14 storage appearance gas; Gas-cylinder retaining assembly 15 is gas cylinder 14 fixedly; Decompression stable-pressure device 16 control appearance atmospheric pressures; Vacuum pump 17 extracts and mixes required air; Particle etc. in filtrator 18 filtered airs.
Claims (5)
1. SF
6-O
2Leak supervision alarm on-site calibration device; It is characterized in that; It comprises housing, and compressed air source unit is installed in housing, and said compressed air source unit is tested transfer valve with the tonifying Qi on being arranged on the housing outer wall and is connected; Tonifying Qi test transfer valve one tunnel is connected with gas charging system, and reduce pressure stable-pressure device and flowmeter of another Lu Zejing is connected with a kind air valve on being arranged on the housing outer wall; The appearance air valve is connected with threeway, threeway one tunnel be arranged on the housing outer wall on be used to be connected the gas vent connection of testing conduit, another Lu Zeyu vacuum system connection of threeway, vacuum system is connected with air valve on being arranged on the housing outer wall.
2. SF as claimed in claim 1
6-O
2Leak supervision alarm on-site calibration device is characterized in that said air valve also is connected with air flowmeter, and air flowmeter is connected with filtrator.
3. SF as claimed in claim 1
6-O
2Leak supervision alarm on-site calibration device is characterized in that said vacuum system comprises vacuum pump, and vacuum pump is connected with vacuum pump switch; Vacuum pump switch is connected with power supply.
4. SF as claimed in claim 1
6-O
2Leak supervision alarm on-site calibration device is characterized in that said gas charging system comprises self-styled valve, and self-styled valve is connected with gas ducting.
5. SF as claimed in claim 1
6-O
2Leak supervision alarm on-site calibration device is characterized in that said compressed air source unit is a gas cylinder, and it is installed on the gas-cylinder retaining assembly, and is connected with tonifying Qi test transfer valve through the bottle valve that is arranged on the housing outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110002876A CN102095559B (en) | 2011-01-07 | 2011-01-07 | Calibration device of on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110002876A CN102095559B (en) | 2011-01-07 | 2011-01-07 | Calibration device of on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm |
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| Publication Number | Publication Date |
|---|---|
| CN102095559A CN102095559A (en) | 2011-06-15 |
| CN102095559B true CN102095559B (en) | 2012-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110002876A Active CN102095559B (en) | 2011-01-07 | 2011-01-07 | Calibration device of on-line SF6 (sulfur hexafluoride)-O2 leak monitoring alarm |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472193B (en) * | 2013-09-30 | 2015-06-17 | 河南省日立信股份有限公司 | Quick tester for transmitter laboratory |
| CN104848999A (en) * | 2015-04-29 | 2015-08-19 | 凯迈（洛阳）气源有限公司 | Air tightness detection device |
| CN108006434A (en) * | 2017-12-29 | 2018-05-08 | 国网河北省电力有限公司衡水供电分公司 | SF6 equipment aerating devices with self-sealing function |
| CN108692870A (en) * | 2018-05-08 | 2018-10-23 | 广州供电局有限公司 | SF6Leak detector test method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424596A (en) * | 2008-09-26 | 2009-05-06 | 上海电力设备安装有限公司 | Calibration stand and calibration method for SF6 gas density and pressure monitoring device |
| CN101476997A (en) * | 2009-01-14 | 2009-07-08 | 重庆电力科学试验研究院 | Sulfur hexafluoride gas sample collection apparatus |
| CN201926546U (en) * | 2011-01-07 | 2011-08-10 | 山东电力研究院 | On-site verification device for SF6-O2 leakage monitoring and warning device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999046572A1 (en) * | 1998-03-11 | 1999-09-16 | True Technology, Inc. | Method and apparatus for detection of leaks in hermetic packages |
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2011
- 2011-01-07 CN CN201110002876A patent/CN102095559B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424596A (en) * | 2008-09-26 | 2009-05-06 | 上海电力设备安装有限公司 | Calibration stand and calibration method for SF6 gas density and pressure monitoring device |
| CN101476997A (en) * | 2009-01-14 | 2009-07-08 | 重庆电力科学试验研究院 | Sulfur hexafluoride gas sample collection apparatus |
| CN201926546U (en) * | 2011-01-07 | 2011-08-10 | 山东电力研究院 | On-site verification device for SF6-O2 leakage monitoring and warning device |
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| CN102095559A (en) | 2011-06-15 |
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Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121217 |
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Effective date of registration: 20121217 Address after: 250002 Ji'nan City Central District, Shandong, No. 2 South Road, No. 500 Patentee after: SHANDONG ELECTRIC POWER Research Institute Patentee after: State Grid Corporation of China Address before: 250002 Ji'nan City Central District, Shandong, No. 2 South Road, No. 500 Patentee before: SHANDONG ELECTRIC POWER Research Institute |
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Address after: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee after: Shandong Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: 250002, No. 500, South Second Ring Road, Shizhong District, Shandong, Ji'nan Patentee before: Shandong Electric Power Research Institute Patentee before: State Grid Corporation of China |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee after: SHANDONG ELECTRIC POWER Research Institute Patentee after: STATE GRID CORPORATION OF CHINA Address before: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee before: SHANDONG ELECTRIC POWER Research Institute Patentee before: State Grid Corporation of China |
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Effective date of registration: 20220128 Address after: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee after: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co. Patentee after: STATE GRID CORPORATION OF CHINA Address before: 250003 No. 2000, Wang Yue Road, Shizhong District, Ji'nan, Shandong Patentee before: SHANDONG ELECTRIC POWER Research Institute Patentee before: STATE GRID CORPORATION OF CHINA |