CN201716156U - Sulfur hexafluoride gas infrared quantitative leakage detector - Google Patents
Sulfur hexafluoride gas infrared quantitative leakage detector Download PDFInfo
- Publication number
- CN201716156U CN201716156U CN2010202481499U CN201020248149U CN201716156U CN 201716156 U CN201716156 U CN 201716156U CN 2010202481499 U CN2010202481499 U CN 2010202481499U CN 201020248149 U CN201020248149 U CN 201020248149U CN 201716156 U CN201716156 U CN 201716156U
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- sulfur hexafluoride
- hexafluoride gas
- lithium battery
- embedded system
- concentration sensor
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Abstract
The utility model relates to a sulfur hexafluoride gas infrared quantitative leakage detector. The output end of a universal sensor is connected with a stainless steel sintered filtering element, the output end of the stainless steel sintered filtering element is connected with a non-dispersion type infrared optical sulfur hexafluoride gas concentration sensor, the output end of the non-dispersion type infrared optical sulfur hexafluoride gas concentration sensor is connected with an embedded system, the output end of the embedded system is 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 setting interface is arranged between the non-dispersion type infrared optical sulfur hexafluoride gas concentration sensor and the embedded system. The sulfur hexafluoride gas infrared quantitative leakage detector judges the place with the quantitatively displayed highest concentration of sulfur hexafluoride gas in the current monitoring environment as the leakage site, and has the detection precision up to 10 ppm. The detector can warn leakage for sulfur hexafluoride gas-containing power equipment.
Description
Technical field
The utility model 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.
The utility model content
The technical problems to be solved in the utility model 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 scheme that its technical matters that solves the utility model adopts 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 beneficial effects of the utility model are, infrared quantitative leak detector of sulfur hexafluoride gas of the present utility model, 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
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structured flowchart of the present utility model.
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
In conjunction with the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the synoptic diagram of simplification, basic structure of the present utility model only is described in a schematic way, so it only show the formation relevant with the utility model.
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 utility model: 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 utility model 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 utility model technological thought.The technical scope of this utility model 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 |
|---|---|---|---|
| CN2010202481499U CN201716156U (en) | 2010-07-06 | 2010-07-06 | Sulfur hexafluoride gas infrared quantitative leakage detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202481499U CN201716156U (en) | 2010-07-06 | 2010-07-06 | Sulfur hexafluoride gas infrared quantitative leakage detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716156U true CN201716156U (en) | 2011-01-19 |
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ID=43462160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202481499U Expired - Lifetime CN201716156U (en) | 2010-07-06 | 2010-07-06 | Sulfur hexafluoride gas infrared quantitative leakage detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716156U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893559A (en) * | 2010-07-06 | 2010-11-24 | 常州合众电气有限公司 | Infrared quantitative leak detector of sulfur hexafluoride gas |
| CN108415350A (en) * | 2018-03-29 | 2018-08-17 | 乾元智能江苏安全技术有限公司 | A kind of combustion gas based on Internet of Things guard system safe to use and its method |
-
2010
- 2010-07-06 CN CN2010202481499U patent/CN201716156U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893559A (en) * | 2010-07-06 | 2010-11-24 | 常州合众电气有限公司 | Infrared quantitative leak detector of sulfur hexafluoride gas |
| CN101893559B (en) * | 2010-07-06 | 2012-07-18 | 常州合众电气有限公司 | Infrared quantitative leak detector of sulfur hexafluoride gas |
| CN108415350A (en) * | 2018-03-29 | 2018-08-17 | 乾元智能江苏安全技术有限公司 | A kind of combustion gas based on Internet of Things guard system safe to use and its method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110119 Effective date of abandoning: 20120718 |