CN101893559A - Infrared quantitative leak detector of sulfur hexafluoride gas - Google Patents
Infrared quantitative leak detector of sulfur hexafluoride gas Download PDFInfo
- Publication number
- CN101893559A CN101893559A CN 201010218031 CN201010218031A CN101893559A CN 101893559 A CN101893559 A CN 101893559A CN 201010218031 CN201010218031 CN 201010218031 CN 201010218031 A CN201010218031 A CN 201010218031A CN 101893559 A CN101893559 A CN 101893559A
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- CN
- China
- Prior art keywords
- sulfur hexafluoride
- hexafluoride gas
- lithium battery
- embedded system
- concentration sensor
- 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.)
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Links
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 44
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 20
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 19
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 15
- 239000010935 stainless steel Substances 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 9
- 239000000284 extract Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003287 optical effect Effects 0.000 abstract 3
- 230000000007 visual effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention relates to an infrared quantitative leak detector of sulfur hexafluoride gas. The output end of a universal detection head is connected with a sintered stainless-steel filter element, and the output end of the sintered stainless-steel filter element is connected with a non-dispersive infrared optical sulfur hexafluoride gas concentration sensor; the output end of the non-dispersive infrared optical sulfur hexafluoride gas concentration sensor is connected with an embedded system, and the output end of the embedded system is respectively connected with a concentration display, an audible and visual alarm, a lithium battery and a data output communication interface; the lithium battery is connected with a lithium battery charger; and an alarm threshold value set interface is arranged between the non-dispersive infrared optical sulfur hexafluoride gas concentration sensor and the embedded system. The infrared quantitative leak detector of sulfur hexafluoride gas quantitatively displays the concentrations of the sulfur hexafluoride gas in current monitored environment and judges the position with the highest concentration to be a leak position; and the infrared quantitative leak detector has the detection precision of 10PPM and has the leak early warning effect on power equipment of the sulfur hexafluoride gas.
Description
Technical field
The present invention relates to a kind of technical field of leakage detection apparatus, especially a kind of infrared quantitative leak detector of sulfur hexafluoride gas.
Background technology
The widespread use on power equipment along with GIS (combined electrical apparatus) and SF6 switch, the leakage of SF6 gas happens occasionally, and is one of main potential safety hazard that causes the high voltage substation operation, and the life security to the maintainer threatens simultaneously.The concentration of the SF6 gas of monitoring GIS chamber is the requirement of electric power safety operating standard, and searching leak source when GIS leaks also becomes a current big difficult point.The method that generally adopts both at home and abroad is based on the leak locator of effluve at present, but this leak locator is subjected to humidity effect big, all need return to zero at every turn, discharge probe easily easy to wear, the discharge path of absorption dust, sparking electrode do not cause on an equal basis this instrument serviceable life short, can't quantize, can only observational measurement, when searching leak source, can't find out the actual position of its leakage.
When power equipment is carried out the SF6 gas leak detection, as use leak locator based on the effluve principle, because quantitative display density, can only know that a certain zone may leak, and can directly show the concentration of current gas with the leak locator that on-dispersive formula infrared optics sulfur hexafluoride gas sensor is made, the place of concentration maximum is exactly the position of leakage point naturally.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome the problem that exists in above-mentioned, provide a kind of long service life, can quantize and can conveniently find out the infrared quantitative leak detector of sulfur hexafluoride gas of the position of its leakage.
The technical solution adopted for the present invention to solve the technical problems is: a kind of infrared quantitative leak detector of sulfur hexafluoride gas, comprise leak detection pistol and leak detection main frame, described leak detection pistol comprises universal detecting head, the stainless steel sintered filter core, concentration display and audible-visual annunciator, described leak detection main frame comprises lithium battery charger, the lithium battery that is connected with lithium battery charger, alarming threshold value is provided with interface, on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor, embedded system, data output communication interface, the output terminal of described universal detecting head is connected with the stainless steel sintered filter core, the output terminal of stainless steel sintered filter core is connected with on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor, the output terminal of on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor is connected with embedded system, the output terminal of embedded system respectively with the concentration display, audible-visual annunciator, lithium battery is connected with data output communication interface, and alarming threshold value is provided with interface and is arranged between on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor and the embedded system.
Described on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor is used to measure the concentration of sulfur hexafluoride gas.
Described stainless steel sintered filter core extracts gas to be measured by micro air pump and gas to be measured is filtered and purifies.
The invention has the beneficial effects as follows, infrared quantitative leak detector of sulfur hexafluoride gas of the present invention, quantitatively determine that it is the leak position in the place of the maximum of the sulfur hexafluoride gas concentration of the current monitoring of environmental of demonstration according to quantitative leak detector, utilize the soap lye method to verify current leak source again, can search very little leak source, its detection accuracy is reached for 10PPM and can be used as according to electric power rules regulations and enter the instrument of concentration of sulfur hexafluoride in the environment being measured before the sulphur hexafloride circuit breaker chamber, and the power equipment of sulfur hexafluoride gas is played the effect of leaking early warning.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a structured flowchart of the present invention.
1. universal detecting heads among the figure, 2. stainless steel sintered filter core, 3. on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor, 4. embedded system, 5. audible-visual annunciator, 6. concentration display, 7. alarming threshold value is provided with interface, 8. lithium battery, 9. lithium battery charger, 10. data output communication interface.
Embodiment
The present invention is further detailed explanation in conjunction with block diagram now.These block diagrams are the synoptic diagram of simplification, basic structure of the present invention only is described in a schematic way, so it only show the formation relevant with the present invention.
Infrared quantitative leak detector of sulfur hexafluoride gas as shown in Figure 1, comprise leak detection pistol and leak detection main frame, the leak detection pistol comprises universal detecting head 1, stainless steel sintered filter core 2, concentration display 6 and audible-visual annunciator 5, the leak detection main frame comprises lithium battery charger 9, the lithium battery 8 that is connected with lithium battery charger 9, alarming threshold value is provided with interface 7, on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor 3, embedded system 4, data output communication interface 10, the output terminal of universal detecting head 1 is connected with stainless steel sintered filter core 2, the output terminal of stainless steel sintered filter core 2 is connected with on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor 3, the output terminal of on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor 3 is connected with embedded system 4, the output terminal of embedded system 4 respectively with concentration display 6, audible-visual annunciator 5, lithium battery 8 is connected with data output communication interface 10, and alarming threshold value is provided with interface 7 and is arranged between on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor 3 and the embedded system 4.
Principle of work of the present invention: micro air pump sucks gas to be measured by universal detecting head 1 during work, gas to be measured purifies by the stainless steel sintered filter core in the leak detection pistol 2, universal detecting head 1 is in order to adapt to the leak detection of different leakage points, gas to be measured is pumped in the on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor 3 and measures, the data of measuring are read in by embedded system 4, the concentration of current sulfur hexafluoride gas is presented on the concentration display 6 of leak detection pistol, by alarming threshold value interface 7 is set and alarming threshold value is set through relatively judging 5 warnings of back use audible-visual annunciator, whether the voltage that embedded system 4 detects current lithium battery 8 is judged under-voltage and whether overshoot of lithium battery charger 9, and the result that will test by data output communication interface 10 is sent to computer.
With above-mentioned foundation desirable embodiment of the present invention is enlightenment, and by above-mentioned description, the related work personnel can carry out various change and modification fully in the scope that does not depart from this invention technological thought.The technical scope of this invention is not limited to the content on the instructions, must determine its technical scope according to the claim scope.
Claims (3)
1. infrared quantitative leak detector of sulfur hexafluoride gas, it is characterized in that: comprise leak detection pistol and leak detection main frame, described leak detection pistol comprises universal detecting head (1), stainless steel sintered filter core (2), concentration display (6) and audible-visual annunciator (5), described leak detection main frame comprises lithium battery charger (9), the lithium battery (8) that is connected with lithium battery charger (9), alarming threshold value is provided with interface (7), on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor (3), embedded system (4), data output communication interface (10), the output terminal of described universal detecting head (1) is connected with stainless steel sintered filter core (2), the output terminal of stainless steel sintered filter core (2) is connected with on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor (3), the output terminal of on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor (3) is connected with embedded system (4), the output terminal of embedded system (4) respectively with concentration display (6), audible-visual annunciator (5), lithium battery (8) is connected with data output communication interface (10), and alarming threshold value is provided with interface (7) and is arranged between on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor (3) and the embedded system (4).
2. infrared quantitative leak detector of sulfur hexafluoride gas according to claim 1 is characterized in that: described on-dispersive formula infrared optics sulfur hexafluoride gas concentration sensor (3) is used to measure the concentration of sulfur hexafluoride gas.
3. infrared quantitative leak detector of sulfur hexafluoride gas according to claim 1 is characterized in that: described stainless steel sintered filter core (2) extracts gas to be measured by micro air pump and gas to be measured is filtered and purifies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010218031 CN101893559B (en) | 2010-07-06 | 2010-07-06 | Infrared quantitative leak detector of sulfur hexafluoride gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010218031 CN101893559B (en) | 2010-07-06 | 2010-07-06 | Infrared quantitative leak detector of sulfur hexafluoride gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101893559A true CN101893559A (en) | 2010-11-24 |
| CN101893559B CN101893559B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010218031 Expired - Fee Related CN101893559B (en) | 2010-07-06 | 2010-07-06 | Infrared quantitative leak detector of sulfur hexafluoride gas |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661834A (en) * | 2011-12-30 | 2012-09-12 | 昆山和智电气设备有限公司 | High sensitive multipath SF6 on-line leak detector and detection method thereof |
| CN102829938A (en) * | 2012-08-29 | 2012-12-19 | 华南理工大学 | Method and system for detecting leakage of SF6 gas of high-voltage electric equipment |
| CN103258405A (en) * | 2013-05-27 | 2013-08-21 | 国家电网公司 | Portable SF6 device gas leakage and abnormality voice recognition warning device |
| CN105841893A (en) * | 2016-03-24 | 2016-08-10 | 浙江理工大学 | Device and method for monitoring hydrogenation air cooler leakage |
| CN106500924A (en) * | 2016-10-10 | 2017-03-15 | 广西电网有限责任公司电力科学研究院 | A kind of leak hunting method of metal corrugated oil conservater |
| CN110823480A (en) * | 2019-10-31 | 2020-02-21 | 湖南国奥电力设备有限公司 | Underground cable fault early warning method and device based on gas detection |
| CN113155362A (en) * | 2021-05-12 | 2021-07-23 | 山西瑞航科技有限公司 | Sulfur hexafluoride gas leakage detection system based on infrared thermal imaging principle |
| CN117147067A (en) * | 2023-10-12 | 2023-12-01 | 国网湖北省电力有限公司超高压公司 | Electric equipment hidden danger detection method and system based on SF6 gas analysis |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070018104A1 (en) * | 2005-07-25 | 2007-01-25 | Parviz Parvin | Machine for detecting sulfur hexafluoride (SF6) leaks using a carbon dioxide laser and the differential absorption lidar ( DIAL) technique and process for making same |
| US7189970B2 (en) * | 2003-08-29 | 2007-03-13 | Power Diagnostic Technologies Ltd. | Imaging of fugitive gas leaks |
| CN201096714Y (en) * | 2007-08-31 | 2008-08-06 | 孙巨岗 | SF6 gas online detection alarming system |
| CN201716156U (en) * | 2010-07-06 | 2011-01-19 | 常州合众电气有限公司 | Sulfur hexafluoride gas infrared quantitative leakage detector |
-
2010
- 2010-07-06 CN CN 201010218031 patent/CN101893559B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7189970B2 (en) * | 2003-08-29 | 2007-03-13 | Power Diagnostic Technologies Ltd. | Imaging of fugitive gas leaks |
| US20070018104A1 (en) * | 2005-07-25 | 2007-01-25 | Parviz Parvin | Machine for detecting sulfur hexafluoride (SF6) leaks using a carbon dioxide laser and the differential absorption lidar ( DIAL) technique and process for making same |
| CN201096714Y (en) * | 2007-08-31 | 2008-08-06 | 孙巨岗 | SF6 gas online detection alarming system |
| CN201716156U (en) * | 2010-07-06 | 2011-01-19 | 常州合众电气有限公司 | Sulfur hexafluoride gas infrared quantitative leakage detector |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102661834A (en) * | 2011-12-30 | 2012-09-12 | 昆山和智电气设备有限公司 | High sensitive multipath SF6 on-line leak detector and detection method thereof |
| CN102661834B (en) * | 2011-12-30 | 2015-09-09 | 昆山和智电气设备有限公司 | The online leak locator of high sensitive multipath SF6 and detection method thereof |
| CN102829938A (en) * | 2012-08-29 | 2012-12-19 | 华南理工大学 | Method and system for detecting leakage of SF6 gas of high-voltage electric equipment |
| CN103258405A (en) * | 2013-05-27 | 2013-08-21 | 国家电网公司 | Portable SF6 device gas leakage and abnormality voice recognition warning device |
| CN105841893A (en) * | 2016-03-24 | 2016-08-10 | 浙江理工大学 | Device and method for monitoring hydrogenation air cooler leakage |
| CN106500924A (en) * | 2016-10-10 | 2017-03-15 | 广西电网有限责任公司电力科学研究院 | A kind of leak hunting method of metal corrugated oil conservater |
| CN106500924B (en) * | 2016-10-10 | 2019-07-12 | 广西电网有限责任公司电力科学研究院 | A kind of leak hunting method of metal corrugated oil conservater |
| CN110823480A (en) * | 2019-10-31 | 2020-02-21 | 湖南国奥电力设备有限公司 | Underground cable fault early warning method and device based on gas detection |
| CN110823480B (en) * | 2019-10-31 | 2022-02-01 | 湖南国奥电力设备有限公司 | Underground cable fault early warning method and device based on gas detection |
| CN113155362A (en) * | 2021-05-12 | 2021-07-23 | 山西瑞航科技有限公司 | Sulfur hexafluoride gas leakage detection system based on infrared thermal imaging principle |
| CN117147067A (en) * | 2023-10-12 | 2023-12-01 | 国网湖北省电力有限公司超高压公司 | Electric equipment hidden danger detection method and system based on SF6 gas analysis |
| CN117147067B (en) * | 2023-10-12 | 2024-05-28 | 国网湖北省电力有限公司超高压公司 | Electric equipment hidden danger detection method and system based on SF6 gas analysis |
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| Publication number | Publication date |
|---|---|
| CN101893559B (en) | 2012-07-18 |
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Granted publication date: 20120718 |