CN113155362A - Sulfur hexafluoride gas leakage detection system based on infrared thermal imaging principle - Google Patents
Sulfur hexafluoride gas leakage detection system based on infrared thermal imaging principle Download PDFInfo
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- CN113155362A CN113155362A CN202110517832.0A CN202110517832A CN113155362A CN 113155362 A CN113155362 A CN 113155362A CN 202110517832 A CN202110517832 A CN 202110517832A CN 113155362 A CN113155362 A CN 113155362A
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 30
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 28
- 238000001931 thermography Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/002—Investigating fluid-tightness of structures by using thermal means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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- Spectroscopy & Molecular Physics (AREA)
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a sulfur hexafluoride gas leakage detection system based on an infrared thermal imaging principle, which comprises a detection chamber and a data processing chamber fixedly arranged at the bottom of the detection chamber, wherein the front surface of the detection chamber is provided with an air inlet communicated with the interior of the detection chamber, the back surface of the detection chamber is provided with an exhaust fan communicated with the interior of the detection chamber, and the detection chamber is internally provided with a light source mechanism, a light wave processing mechanism and a reflection assembly respectively. The invention solves the problems that the leakage of sulfur hexafluoride gas influences the insulation strength of equipment, generates stronger greenhouse effect on the atmospheric environment and harms the personal safety.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to a sulfur hexafluoride gas leakage detection system based on an infrared thermal imaging principle.
Background
The leakage of sulfur hexafluoride gas is one of the common defects in the GIS operation process, and the leakage of sulfur hexafluoride gas not only affects the insulation strength of equipment, but also generates strong greenhouse effect on the atmospheric environment; in addition, if the gas contains arc decomposers, the leaked gas can harm the personal safety, and the sulfur hexafluoride gas leakage detection work is extremely important, so that the sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle is invented.
Disclosure of Invention
The invention aims to solve the problems that the leakage of sulfur hexafluoride gas affects the insulation strength of equipment, generates strong greenhouse effect on the atmospheric environment and harms the personal safety, and provides a sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle.
In order to achieve the purpose, the invention adopts the following technical scheme: a sulfur hexafluoride gas leakage detection system based on an infrared thermal imaging principle comprises a detection chamber and a data processing chamber fixedly arranged at the bottom of the detection chamber, wherein the front side of the detection chamber is provided with an air inlet communicated with the interior of the detection chamber, the back side of the detection chamber is provided with an exhaust fan communicated with the interior of the detection chamber, and the detection chamber is internally provided with a light source mechanism, a light wave processing mechanism and a reflection assembly respectively;
the light source mechanism comprises a first mounting plate, the side wall of the first mounting plate is fixedly connected with a rectangular plate, the side wall of the rectangular plate is fixedly connected with a motor, and the output end of the motor is connected with an infrared emitter in a shaft mode;
the light wave processing mechanism comprises a second mounting plate, the side wall of the second mounting plate is fixedly connected with an infrared detector, the side wall of the infrared detector is provided with a light receiving port, the inner wall of the light receiving port is provided with a narrow-band light filter, the inner wall of the light receiving port is fixedly provided with a horn-shaped cylinder, and the inner wall of the horn-shaped cylinder, which is far away from one end of the infrared detector, is fixedly provided with a condenser lens;
the reflecting assembly comprises a third mounting plate, and a reflecting mirror is covered on the side wall of the third mounting plate;
the data processing system comprises a data processing chamber, a processor and a filter amplifier, wherein the data processing chamber is internally provided with the processor and used for comprehensively processing data, the processor is connected with a wireless transceiver module and used for remotely transmitting the data in the processor and receiving the remote data, the processor is also connected with the filter amplifier and used for processing a data signal of the filter amplifier, and the processor is also connected with a light source driver and used for triggering the operation of the light source driver.
Preferably, two first rectangle mounting holes have been seted up to one side of detection room, first mounting panel and second mounting panel are connected for dismantling through bolt and two first rectangle mounting holes respectively, a second rectangle mounting hole has been seted up to the opposite side of detection room, the third mounting panel passes through the bolt and is connected for dismantling with second rectangle mounting hole.
Preferably, the light source mechanism and the light wave processing mechanism are located on the same side of the detection chamber, the reflection assembly is located on the other side, the infrared emitter, the horn-shaped cylinder and the reflector are located inside the detection chamber, and the infrared emitter emits light towards the reflector.
Preferably, the wireless transceiver module is connected to a client through a wireless communication technology, and is configured to transmit data processed by the processor to the client.
Preferably, the filter amplifier is connected to the infrared detector and is configured to convert an electrical signal of the infrared detector into a data signal.
Preferably, the processor is further connected with a power module for providing electric energy, and the processor is further connected with a memory for performing data caching on the data processing process.
Preferably, the processor is further connected with a temperature sensor arranged inside the infrared detector and used for monitoring the temperature of the infrared detector.
Preferably, the processor is connected with the fan and the motor and is used for respectively controlling the operation of the fan and the motor.
Preferably, the inner wall of air inlet is provided with the filter sponge for filter the dust and shelter from external light, the air outlet department of exhaust fan is provided with the filter sponge, is used for sheltering from external light.
Compared with the prior art, the invention has the following beneficial effects: the exhaust fan extracts gas from the detection chamber, the gas enters the gas inlet, infrared rays emitted by the infrared emitter penetrate the gas inside the detection chamber, the gas is reflected by the reflector, condensed by the condenser, stray light is filtered by the narrow-band filter, the infrared detector detects the gas, a part of the gas is attracted when a specific infrared band of sulfur hexafluoride gas passes through the sulfur hexafluoride gas, the change of the infrared band is detected by the infrared detector, the change value is input into the processor after passing through the filter amplifier, the content of the sulfur hexafluoride gas is obtained by the processor, and the sulfur fluoride gas content data is sent to the client through the wireless transceiving module; the client can also remotely control the system; the motor can drive the irradiation direction of the infrared emitter, so that the reflector can reflect light rays to the collecting mirror.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a light source mechanism according to the present invention;
FIG. 3 is a schematic structural diagram of a light wave processing mechanism according to the present invention;
FIG. 4 is a schematic structural diagram of a reflection assembly of the present invention;
FIG. 5 is a schematic diagram of a data processing chamber control system of the present invention.
In the figure: the system comprises a detection chamber 1, a data processing chamber 2, an air inlet 3, an exhaust fan 4, a light source mechanism 5, a light wave processing mechanism 6, a reflection assembly 7, a first mounting plate 8, a rectangular plate 9, a motor 10, an infrared emitter 11, a second mounting plate 12, an infrared detector 13, a narrow-band optical filter 14, a horn-shaped cylinder 15, a condenser 16, a third mounting plate 17 and a reflector 18.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The invention provides a technical scheme that: a sulfur hexafluoride gas leakage detection system based on an infrared thermal imaging principle comprises a detection chamber 1 and a data processing chamber 2 fixedly arranged at the bottom of the detection chamber 1, wherein the front side of the detection chamber 1 is provided with an air inlet 3 communicated with the interior of the detection chamber, the back side of the detection chamber is provided with an exhaust fan 4 communicated with the interior of the detection chamber, and the detection chamber is internally provided with a light source mechanism 5, a light wave processing mechanism 6 and a reflection assembly 7 respectively;
the light source mechanism 5 comprises a first mounting plate 8, a rectangular plate 9 is fixedly connected to the side wall of the first mounting plate 8, a motor 10 is fixedly connected to the side wall of the rectangular plate 9, and an infrared emitter 11 is coupled to the output end of the motor 10;
the light wave processing mechanism 6 comprises a second mounting plate 12, the side wall of the second mounting plate 12 is fixedly connected with an infrared detector 13, the side wall of the infrared detector 13 is provided with a light receiving opening, the inner wall of the light receiving opening is provided with a narrow-band filter 14, the inner wall of the light receiving opening is fixedly provided with a horn-shaped cylinder 15, and the inner wall of one end, far away from the infrared detector 13, of the horn-shaped cylinder 15 is fixedly provided with a condenser 16;
the reflecting assembly 7 comprises a third mounting plate 17, and the side wall of the third mounting plate 17 is covered with a reflecting mirror 18;
the data processing chamber 2 is internally provided with a processor for comprehensive processing of data, the processor is connected with a wireless transceiver module for carrying out remote transmission on the data in the processor and receiving remote data, the processor is also connected with a filter amplifier for processing a data signal of the filter amplifier, and the processor is also connected with a light source driver for triggering the operation of the light source driver.
Two first rectangle mounting holes have been seted up to one side of detection room 1, first mounting panel 8 and second mounting panel 12 are connected for dismantling through bolt and two first rectangle mounting holes respectively, a second rectangle mounting hole has been seted up to the opposite side of detection room 1, third mounting panel 17 is connected for dismantling through bolt and second rectangle mounting hole.
The light source mechanism 5 and the light wave processing mechanism 6 are located on the same side of the detection chamber 1, the reflection assembly 7 is located on the other side, the infrared emitter 11, the horn-shaped cylinder 15 and the reflector 18 are located inside the detection chamber 1, and the infrared emitter 11 emits light towards the reflector 18.
The wireless transceiver module is connected with a client through a wireless communication technology and used for transmitting data processed by the processor to the client.
The filter amplifier is connected with the infrared detector and used for converting the electric signal of the infrared detector into a data signal.
The processor is also connected with a power module for providing electric energy, and the processor is also connected with a memory for caching data in the data processing process.
The processor is further connected with a temperature sensor arranged inside the infrared detector 13 and used for monitoring the temperature of the infrared detector 13.
The processor is connected with the fan and the motor and is used for respectively controlling the operation of the fan and the motor.
The inner wall of air inlet 3 is provided with the filter sponge for filter the dust and shelter from external light, exhaust fan 4's air outlet department is provided with the filter sponge, is used for sheltering from external light.
When the device is used, the exhaust fan 4 pumps gas out of the detection chamber 1, the gas enters the gas inlet 3, infrared rays emitted by the infrared emitter 11 penetrate through the gas in the detection chamber 1, then the infrared rays are reflected by the reflector 18 and condensed by the condenser 16, stray light is filtered by the narrow-band filter 14, the infrared detector 13 detects the gas, a part of the gas is attracted when a specific infrared band of sulfur hexafluoride gas passes through the sulfur hexafluoride gas, the change of the infrared band is detected by the infrared detector 13, the change value is input into the processor after passing through the filter amplifier, the content of the sulfur hexafluoride gas is obtained by the processor, and the sulfur fluoride gas content data is sent to a client through the wireless transceiving module; the client can also remotely control the system; the motor 10 may drive the direction of illumination of the infrared emitter 11 so that the mirror 18 may reflect light onto the collection mirror 16.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. The utility model provides a sulfur hexafluoride gas leakage detection system based on infrared thermal imaging principle, includes detection room (1) and fixed data processing room (2) that set up in detection room (1) bottom, its characterized in that: the front surface of the detection chamber (1) is provided with an air inlet (3) communicated with the interior of the detection chamber, the back surface of the detection chamber is provided with an exhaust fan (4) communicated with the interior of the detection chamber, and the detection chamber is internally provided with a light source mechanism (5), a light wave processing mechanism (6) and a reflection assembly (7) respectively;
the light source mechanism (5) comprises a first mounting plate (8), a rectangular plate (9) is fixedly connected to the side wall of the first mounting plate (8), a motor (10) is fixedly connected to the side wall of the rectangular plate (9), and an infrared emitter (11) is connected to the output end of the motor (10) in a shaft connection mode;
the light wave processing mechanism (6) comprises a second mounting plate (12), the side wall of the second mounting plate (12) is fixedly connected with an infrared detector (13), the side wall of the infrared detector (13) is provided with a light receiving opening, the inner wall of the light receiving opening is provided with a narrow-band filter (14), the inner wall of the light receiving opening is fixedly provided with a horn-shaped cylinder (15), and the inner wall of one end, far away from the infrared detector (13), of the horn-shaped cylinder (15) is fixedly provided with a condenser lens (16);
the reflection assembly (7) comprises a third mounting plate (17), and a reflector (18) is covered on the side wall of the third mounting plate (17);
the data processing system is characterized in that a processor is arranged in the data processing chamber (2) and used for comprehensively processing data, the processor is connected with a wireless receiving and transmitting module and used for remotely transmitting the data in the processor and receiving the remote data, the processor is also connected with a filter amplifier and used for processing a data signal of the filter amplifier, and the processor is also connected with a light source driver and used for triggering the operation of the light source driver.
2. The sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle as claimed in claim 1, wherein: two first rectangle mounting holes have been seted up to one side of detection room (1), first mounting panel (8) and second mounting panel (12) are respectively through bolt and two first rectangle mounting holes for can dismantling the connection, a second rectangle mounting hole has been seted up to the opposite side of detection room (1), third mounting panel (17) are through bolt and second rectangle mounting hole for can dismantling the connection.
3. The sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle as claimed in claim 1, wherein: light source mechanism (5) and light wave processing mechanism (6) are located same one side of detection room (1), reflection component (7) are located the opposite side, infrared emitter (11), loudspeaker form section of thick bamboo (15) and speculum (18) all are located the inside of detection room (1), infrared emitter (11) are towards speculum (18) transmitting light source.
4. The sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle as claimed in claim 1, wherein: the wireless transceiver module is connected with a client through a wireless communication technology and used for transmitting data processed by the processor to the client.
5. The sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle as claimed in claim 1, wherein: the filter amplifier is connected with the infrared detector and used for converting the electric signal of the infrared detector into a data signal.
6. The sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle as claimed in claim 1, wherein: the processor is also connected with a power module for providing electric energy, and the processor is also connected with a memory for caching data in the data processing process.
7. The sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle as claimed in claim 1, wherein: the processor is also connected with a temperature sensor arranged in the infrared detector (13) and used for monitoring the temperature of the infrared detector (13).
8. The sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle as claimed in claim 1, wherein: the processor is connected with the fan and the motor and is used for respectively controlling the operation of the fan and the motor.
9. The sulfur hexafluoride gas leakage detection system based on the infrared thermal imaging principle as claimed in claim 1, wherein: the inner wall of air inlet (3) is provided with the filter sponge for filter the dust and shelter from external light, the air outlet department of exhaust fan (4) is provided with the filter sponge, is used for sheltering from external light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517832.0A CN113155362A (en) | 2021-05-12 | 2021-05-12 | Sulfur hexafluoride gas leakage detection system based on infrared thermal imaging principle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110517832.0A CN113155362A (en) | 2021-05-12 | 2021-05-12 | Sulfur hexafluoride gas leakage detection system based on infrared thermal imaging principle |
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| CN113155362A true CN113155362A (en) | 2021-07-23 |
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| CN202110517832.0A Pending CN113155362A (en) | 2021-05-12 | 2021-05-12 | Sulfur hexafluoride gas leakage detection system based on infrared thermal imaging principle |
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Citations (5)
| 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 |
| CN101387568A (en) * | 2007-09-11 | 2009-03-18 | 上海电缆研究所 | Positioning method for leakage point of sulphur hexafluoride and positioning system thereof |
| 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 |
| CN102998061A (en) * | 2012-11-26 | 2013-03-27 | 中国科学技术大学 | Spreading type device and method for monitoring SF6 gas leakage |
| JP2019168358A (en) * | 2018-03-23 | 2019-10-03 | 新コスモス電機株式会社 | Optical analyzer |
-
2021
- 2021-05-12 CN CN202110517832.0A patent/CN113155362A/en active Pending
Patent Citations (5)
| 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 |
| CN101387568A (en) * | 2007-09-11 | 2009-03-18 | 上海电缆研究所 | Positioning method for leakage point of sulphur hexafluoride and positioning system thereof |
| 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 |
| CN102998061A (en) * | 2012-11-26 | 2013-03-27 | 中国科学技术大学 | Spreading type device and method for monitoring SF6 gas leakage |
| JP2019168358A (en) * | 2018-03-23 | 2019-10-03 | 新コスモス電機株式会社 | Optical analyzer |
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Application publication date: 20210723 |