CN202471377U - Infrared thermal imager used for detection - Google Patents
Infrared thermal imager used for detection Download PDFInfo
- Publication number
- CN202471377U CN202471377U CN2012200085928U CN201220008592U CN202471377U CN 202471377 U CN202471377 U CN 202471377U CN 2012200085928 U CN2012200085928 U CN 2012200085928U CN 201220008592 U CN201220008592 U CN 201220008592U CN 202471377 U CN202471377 U CN 202471377U
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- Prior art keywords
- infrared
- detect
- semi
- thermal infrared
- infrared imager
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Abstract
The utility model discloses an infrared thermal imager used for detection SF6, comprising two infrared detectors with a same visual field angle, wherein in front of one infrared detector there is provided a spectrum selector. The infrared thermal imager used for detection SF6 has the characteristics of having no specific demands for a light source; and compared with the prior art, omitting an infrared generator or a laser, reducing the cost and greatly reducing the equipment size.
Description
Technical field
The utility model relates to gas leak detection technology field, is that a kind of infrared thermal imaging technique that utilizes detects SF specifically
6The checkout equipment of gas.
Background technology
Sulfur hexafluoride (SF
6) be at present known one of the gas of fabulous chemical stability that has.It has fabulous thermal stability and remarkable electrical insulating property, and electrical equipments such as lightning arrester, underground cable, electric storage means are made insulating medium with sulfur hexafluoride; In electric system, SF
6Be used in especially in high-voltage switch gear, high-power transformer, the combined electrical apparatus as insulating medium and arc-extinguishing medium and obtain increasingly extensive application.But SF
6Be a kind of gas that can work the mischief to human body and environment, can in time find SF
6Leakage has extremely important meaning to the normal and stable operation of whole electric system.
SF
6Colorless and odorless own, traditional leak hunting method are to want earlier equipment set to cut out, and then through smearing suds, observe the mode that has or not bubble to produce and confirm the gas leakage point, waste time and energy, and weak effect.Some companies have released one after another and have utilized SF in the prior art
6The infrared spectral characteristic of molecule is checked SF
6Method and apparatus; For example September in 2009 Granted publication on the 30th Chinese patent " enhancement mode sulfur hexafluoride laser leak locator " (CN200820237826.X) with disclosed Chinese patent on June 10,2009 " infrared sulphur hexafluoride leak detection camera " (CN200810159750.8) etc. prior art without exception all used infrared generator or laser instrument; By infrared generator or laser illumination thing to be detected, detect by infrared detection device then.The said equipment uses cumbersome, owing to need infrared generator or laser instrument, its volume is also bigger accordingly, uses inconvenience, and is detecting SF
6Shi Buneng carries out temperature survey, and cost is also than higher.
The utility model content
The task of the utility model is to solve the prior art problem, and a kind of SF that is used to detect is provided
6The infrared thermal imaging device, this apparatus features is to need not infrared generator or laser generator, can directly be whether background to equipment to be checked SF takes place with the visible light
6Infrared detection is carried out in leakage.
Technological means: the utility model discloses a kind of SF that is used to detect
6Thermal infrared imager, in this thermal infrared imager, be provided with the infrared eye of two field angle unanimities and synchronous acquisition data, the place ahead of an infrared eye is provided with spectrum selector therein, this spectrum selector only allows and SF
6The corresponding infrared ray of infrared characteristic passes through.
The shared camera lens of these two infrared eyes, the infrared ray of injecting in the camera lens is divided into two bundle infrared rays through a semi-permeable and semi-reflecting mirror, and wherein a branch of directly by infrared eye reception, another bundle is received by another infrared eye behind spectrum selector.
Wherein semi-permeable and semi-reflecting mirror is the ZnSe semi-permeable and semi-reflecting mirror, and spectrum selector is the optical filter of 10.6 μ m, and its halfwidth is 0.1 μ m.
Thermal infrared imager also is provided with a visible-light detector, and the field angle of this visible-light detector is consistent with the field angle of two infrared eyes; This thermal infrared imager also is provided with the recording circuit that can synchronous working with two infrared eyes, when can be implemented in infrared eye and obtain data the data of obtaining is carried out voice annotation.
This method is detecting whether there is SF
6The time also detect the temperature information of current determinand.
Beneficial effect: detect SF at present
6Method basically all be to have utilized its characteristic to spectral absorption, the utility model has adopted two infrared eyes to detect, and can directly obtain SF through the characteristic after the image co-registration
6The information of whether leaking; And can write down more field datas through the mode of visible-light detector and simultaneous voice mark or text mark, so that follow-up service work; This thermal imaging system can also obtain the temperature information of Devices to test simultaneously, and whether the reason that further obtains causing leakage is that device temperature is too high, perhaps leaks the information such as malfunction that whether caused equipment; Compared with prior art, the utility model is disclosed is used to detect SF
6Thermal infrared imager need not utility appliance such as infrared generator or laser instrument, equipment volume is little, is easy to carry, and is easy to use.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the detection design sketch of the utility model.
Embodiment
The disclosed a kind of SF that is used to detect of the utility model
6Thermal infrared imager be based on that following detection method realizes, comprise step:
A, obtain the full spectrum infrared image of determinand;
B, obtain the infrared image of the special spectrum of determinand, this special spectrum and SF with same field angle
6Spectral characteristic consistent;
C, the image among step a and the step b is superposeed, the image of observing after the stack can draw the detection conclusion.
For making the detection effect more obvious, in step c, with before the stack of two pictures two pictures being carried out filtering and enhancement process.
This method is detecting SF
6In time, measure the temperature data of determinand.
The utility model discloses a kind of SF that is used to detect
6Thermal infrared imager, be illustrated in figure 1 as a kind of preferred implementation of this thermal infrared imager.This thermal infrared imager comprises being arranged on and obtains infrared data and identical first infrared eye 1 and second infrared eye 2 of field angle synchronously in the fuselage; Dead ahead at second infrared eye 2 is provided with spectrum selector; This spectrum selector can be wavelength 10.6 μ m; Halfwidth is the germanium base optical filter 3 of 0.1 μ m, also can be other and SF
6The corresponding filtering apparatus of characteristic; Two shared same camera lenses of infrared eye; After IR incides camera lens; Be divided into two bundle infrared rays through semi-permeable and semi-reflecting mirror 4, refracted ray is obtained by first infrared eye through catoptron 5, and transmitted ray is obtained by second infrared eye behind optical filter 3; Wherein semi-permeable and semi-reflecting mirror is the ZnSe semi-permeable and semi-reflecting mirror, and catoptron is gold-plated catoptron.Two infrared eyes of the utility model also can obtain the infrared data of same field respectively through different camera lenses.
For obtaining the more on-the-spot information that detects, this is used to detect SF
6Thermal infrared imager also be provided with visible-light detector and recording circuit; And on fuselage, be provided with touch display screen; Can when obtaining infrared image and visible images, carry out voice annotation and text criterion to image, display screen also can be used monochrome or pseudo-colour display screen diagrammatic sketch picture.
The principle of above-mentioned detection method and pick-up unit remains has utilized SF
6Spectral characteristic.No SF in the visual field
6The time; The image that first infrared eye obtains is the full spectrum infrared image of all thermals source in the scene; The infrared image that this image and general thermal infrared imager obtain is as good as; It is the infrared image of 10.6 μ m that the image that this moment, second infrared eye obtained has only wavelength, and this image is the image of single color; As SF
6When existing, the image that first infrared eye is obtained does not change, and the image that second infrared eye obtains is because SF
6To the absorption of spectrum, can demonstrate gasiform shade in the image, and the field angle of two detectors is identical, the locus of being reflected is corresponding, so the picture after the stack not only can clearly demonstrate whether there is SF in this scene
6, also can know to demonstrate SF
6The particular location that leaks.Be illustrated in figure 2 as the actual detection image, can see in the drawings having SF
6Gas also can be clearly seen that SF
6The leak position.
The utility model is created the disclosed SF that is used to detect
6Thermal infrared imager detecting SF
6Also equipment and environment are carried out temperature survey in the time of gas, also can carry out voice annotation, text marking, for follow-up detection and maintenance job provide more field data infrared picture data.
Claims (7)
1. one kind is used to detect SF
6Thermal infrared imager, it is characterized in that: in said thermal infrared imager, be provided with the infrared eye of two field angle unanimities and synchronous acquisition data, the place ahead of an infrared eye is provided with spectrum selector therein, and this spectrum selector only allows and SF
6The corresponding infrared ray of infrared characteristic passes through.
2. according to claim 1ly be used to detect SF
6Thermal infrared imager; It is characterized in that: the shared camera lens of said two infrared eyes; The infrared ray of injecting in the camera lens is divided into two bundle infrared rays through a semi-permeable and semi-reflecting mirror; Wherein a branch of directly by infrared eye reception, another bundle is received by another infrared eye behind spectrum selector.
3. according to claim 2ly be used to detect SF
6Thermal infrared imager, it is characterized in that: said semi-permeable and semi-reflecting mirror is the ZnSe semi-permeable and semi-reflecting mirror.
4. according to claim 2ly be used to detect SF
6Thermal infrared imager, it is characterized in that: said catoptron is gold-plated catoptron.
5. describedly be used to detect SF according to claim 1 or 2 or 3 or 4
6Thermal infrared imager, it is characterized in that: said spectrum selector is a germanium base 10.6um optical filter, and its halfwidth is 0.1 um.
6. describedly be used to detect SF according to claim 1 or 2 or 3 or 4
6Thermal infrared imager, it is characterized in that: said thermal infrared imager also is provided with a visible-light detector.
7. describedly be used to detect SF according to claim 1 or 2 or 3 or 4
6Thermal infrared imager, it is characterized in that: said thermal infrared imager also is provided with the recording circuit that can synchronous working with two infrared eyes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200085928U CN202471377U (en) | 2012-01-10 | 2012-01-10 | Infrared thermal imager used for detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200085928U CN202471377U (en) | 2012-01-10 | 2012-01-10 | Infrared thermal imager used for detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202471377U true CN202471377U (en) | 2012-10-03 |
Family
ID=46919529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200085928U Withdrawn - After Issue CN202471377U (en) | 2012-01-10 | 2012-01-10 | Infrared thermal imager used for detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202471377U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564714A (en) * | 2012-01-10 | 2012-07-11 | 广州科易光电技术有限公司 | Sulfur hexafluoride (SF6) detection method and infrared thermal imager for detecting SF6 |
| CN103063368A (en) * | 2012-12-20 | 2013-04-24 | 华南理工大学 | Monitoring system of sulfur hexafluoride (SF6) gas leakage |
-
2012
- 2012-01-10 CN CN2012200085928U patent/CN202471377U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564714A (en) * | 2012-01-10 | 2012-07-11 | 广州科易光电技术有限公司 | Sulfur hexafluoride (SF6) detection method and infrared thermal imager for detecting SF6 |
| CN102564714B (en) * | 2012-01-10 | 2015-03-11 | 广州科易光电技术有限公司 | Sulfur hexafluoride (SF6) detection method and infrared thermal imager for detecting SF6 |
| CN103063368A (en) * | 2012-12-20 | 2013-04-24 | 华南理工大学 | Monitoring system of sulfur hexafluoride (SF6) gas leakage |
| CN103063368B (en) * | 2012-12-20 | 2015-07-01 | 华南理工大学 | Monitoring system of sulfur hexafluoride (SF6) gas leakage |
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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: 20121003 Effective date of abandoning: 20150311 |
|
| RGAV | Abandon patent right to avoid regrant |