CN201242470Y - Infrared four-waveband flame detector - Google Patents
Infrared four-waveband flame detector Download PDFInfo
- Publication number
- CN201242470Y CN201242470Y CNU200820148564XU CN200820148564U CN201242470Y CN 201242470 Y CN201242470 Y CN 201242470Y CN U200820148564X U CNU200820148564X U CN U200820148564XU CN 200820148564 U CN200820148564 U CN 200820148564U CN 201242470 Y CN201242470 Y CN 201242470Y
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- infrared
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- optical cavity
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Abstract
The utility model relates to an infrared four-band flame detector for flame detection, which comprises an infrared four-channel sensor, a light cone, an optical cavity arranged at the terminal of the light cone, a convex lens arranged at the front end of the optical cavity, an infrared four-channel sensor arranged at the terminal of the optical cavity and a sensor pressing cap arranged at the rear end of the infrared four-channel sensor, an optical channel is arranged in the optical cavity, the convex lens is arranged at the end on the optical channel close to the light cone, and the infrared four-channel sensor is arranged at the other end in the optical channel through the sensor pressing cap. The utility model has scientific structural design, low volume, stable performance, high reaction speed, high sensitivity and long detection range, and has the function of eliminating the influence of the sunlight and the visible light.
Description
Technical field
The utility model relates to a kind of infrared four wave band flame detectors that are used for flame detecting, specifically, related to a kind of with infrared absorption principle make highly sensitive, novel structure, volume is little, stable performance, and reaction velocity is fast, detection range is long, the infrared four wave band flame detectors that not influenced by sunshine and visible light.
Background technology
At present, known flame detector all only is to use ultraviolet, infrared list or two waveband, infrared/ultraviolet dual wave-band that flame is surveyed, but all has certain limitation.
The radiation meeting that Ultraviolet sensor discharges when arc spark, thunder and lightning, X-ray and sunspot are broken out produces response, produces false alarm, and dense smoke, steam block circuit and can make its inefficacy in addition, and the cost height; Single band or bi wave band infra red flame detector are subject to the interference of other infrared origin, and signal is decayed in atmosphere greatly; Infrared/ultraviolet dual wave-band, under special radiation signal, can produce false alarm or inefficacy, for example hydrogen flame generally produces a spot of UV radiation and a large amount of infrared radiations, and infrared/ultraviolet flame detector is taked is " with gate technique ", so hydrogen probably can't be detected in this case.
In addition, existing optics flame detector all has bigger, the heavier characteristics of volume, can't better adapt to more field.
In order to solve the problem of above existence, people are seeking a kind of desirable technical solution always.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, thereby provides a kind of highly sensitive, reports to the police accurately, novel structure, volume is little, stable performance, and reaction velocity is fast, the infrared four wave band flame detectors that detection range is long, this flame detector is simple in structure, and modern design is different from the flame detector of existing structure complexity, and this flame detector is not subjected to the influence of sunshine and visible light, and detection range is much larger than existing flame detector.
To achieve these goals, the utility model provides a kind of infrared four wave band flame detectors, it comprises infrared four-way sensor, described infrared four wave band flame detectors also comprise light cone, be arranged at the optical cavity of light cone end, be arranged at the convex lens of optical cavity front end, be arranged at the infrared four-way sensor of optical cavity end, be arranged at the sensor pressure cap of infrared four-way sensor rear end, wherein, in optical cavity, be provided with optical channel, convex lens are arranged on the optical channel end near light cone, and infrared four-way sensor is arranged on the other end in the optical channel by the sensor pressure cap.Described light cone imports the infrared light that target flame sends in the optical cavity, and is not subjected to the influence of peripheral non-target luminophor.Described convex lens focus on the infrared light that target object sent on the described infrared four-way sensor.Described infrared four-way sensor is judged infrared light power and classification, exports corresponding signal by pin.
Between sensor pressure cap and infrared four-way sensor, also be provided with insulating bushing.Described sensor pressure cap and described insulating bushing provide space stable, insulation for infrared four-way sensor.
Described infrared four-way sensor has 4.0 μ m, 4.26 μ m, 4.80 μ m, four detecting bands of 3.45 μ m.
Convex lens are fixed on the optical channel by O-ring seal.
The relative prior art of the utility model has substantive distinguishing features and progressive, specifically, these infrared four wave band flame detector scientific structure design novelties, volume is little, stable performance, reaction velocity is fast, and is highly sensitive, and detection range is long, and the use field is wide; Infrared four band detectors can well be avoided the influence of sunshine and visible light, also are not subjected to the influence of radiation such as smog, black matrix, false alarm do not take place and survey to lose efficacy.
Description of drawings
Fig. 1 is a fractionation structural representation of the present utility model.
Fig. 2 is a sectional structure synoptic diagram of the present utility model.
Embodiment
Below by the drawings and specific embodiments, the technical solution of the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of infrared four wave band flame detectors, comprise infrared four-way sensor 4, described infrared four wave band flame detectors also comprise light cone 1, be arranged at the optical cavity 3 of light cone 1 end, be arranged at the convex lens 2 of optical cavity 3 front ends, be arranged at the infrared four-way sensor 4 of optical cavity 3 ends, be arranged at the sensor pressure cap 6 of infrared four-way sensor 4 rear ends, wherein, in optical cavity, be provided with optical channel, convex lens are established 2 ends of putting on optical channel near light cone 1, and infrared four-way sensor 4 is arranged on the other end in the optical channel by sensor pressure cap 6.Also be provided with insulating bushing 5 between sensor pressure cap 6 and infrared four-way sensor 4, insulating bushing 5 is arranged at the rear end of infrared four-way sensor 4.
The convex lens 2 of described optical cavity 3 front ends are fixed by O-ring seal, the infrared light that sends when flame enters into the utility model by light cone 1, convex lens 2 can gather this infrared light the four-way sensor 4 of optical cavity 3 rear ends, four-way sensor 4 filters wavelength, the specific wavelength that Fire Radiation is sent enters in the sensor, according to the power of the light that enters sensor, export corresponding signal from pin; Wherein, described optical cavity 3 is connected with light cone 1, and optical cavity 3 all is by being threaded with being connected of sensor pressure cap 6.Described infrared four-way sensor has 4.0 μ m, 4.26 μ m, 4.80 μ m, four detecting bands of 3.45 μ m.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (6)
1, a kind of infrared four wave band flame detectors, comprise infrared four-way sensor, it is characterized in that: described infrared four wave band flame detectors also comprise light cone, be arranged at the optical cavity of light cone end, be arranged at the convex lens of optical cavity front end, be arranged at the infrared four-way sensor of optical cavity end, be arranged at the sensor pressure cap of infrared four-way sensor rear end, wherein, in optical cavity, be provided with optical channel, convex lens are arranged on the optical channel end near light cone, and infrared four-way sensor is arranged on the other end in the optical channel by the sensor pressure cap.
2, infrared four wave band flame detectors according to claim 1 is characterized in that: also be provided with insulating bushing between sensor pressure cap and infrared four-way sensor.
3, infrared four wave band flame detectors according to claim 1 and 2 is characterized in that: described infrared four-way sensor has 4.0 μ m, 4.26 μ m, 4.80 μ m, four detecting bands of 3.45 μ m.
4, infrared four wave band flame detectors according to claim 1, it is characterized in that: convex lens are fixed on the optical channel by O-ring seal.
5, infrared four wave band flame detectors according to claim 1, it is characterized in that: described optical cavity is threaded with being connected to of light cone.
6, infrared four wave band flame detectors according to claim 1, it is characterized in that: described optical cavity is threaded with being connected to of sensor pressure cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820148564XU CN201242470Y (en) | 2008-08-18 | 2008-08-18 | Infrared four-waveband flame detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820148564XU CN201242470Y (en) | 2008-08-18 | 2008-08-18 | Infrared four-waveband flame detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201242470Y true CN201242470Y (en) | 2009-05-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820148564XU Expired - Lifetime CN201242470Y (en) | 2008-08-18 | 2008-08-18 | Infrared four-waveband flame detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201242470Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988062A (en) * | 2011-12-14 | 2014-08-13 | 松下电器产业株式会社 | Infrared sensor |
| CN104101426A (en) * | 2014-07-25 | 2014-10-15 | 武汉理工光科股份有限公司 | Reflection-type panoramic view angle flame detector |
| CN108010254A (en) * | 2017-11-28 | 2018-05-08 | 无锡职业技术学院 | One kind is based on four wave band infrared flame detectors and its flame identification algorithm |
-
2008
- 2008-08-18 CN CNU200820148564XU patent/CN201242470Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103988062A (en) * | 2011-12-14 | 2014-08-13 | 松下电器产业株式会社 | Infrared sensor |
| CN103988062B (en) * | 2011-12-14 | 2017-09-22 | 松下知识产权经营株式会社 | Infrared sensor |
| CN104101426A (en) * | 2014-07-25 | 2014-10-15 | 武汉理工光科股份有限公司 | Reflection-type panoramic view angle flame detector |
| CN104101426B (en) * | 2014-07-25 | 2016-02-10 | 武汉理工光科股份有限公司 | Reflective panorama visual angle flame detector |
| CN108010254A (en) * | 2017-11-28 | 2018-05-08 | 无锡职业技术学院 | One kind is based on four wave band infrared flame detectors and its flame identification algorithm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHENGZHOU WEI SHENG ELECTRONIC TECHNOLOGY CO., LTD Free format text: FORMER OWNER: HENAN HANWEI ELECTRONICS CO., LTD. Effective date: 20090911 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090911 Address after: No. 169, golden shuttle Road, hi tech Zone, Henan, Zhengzhou Province: 450001 Patentee after: Weisheng Electronics Tech Co., Ltd., Zhengzhou Address before: Henan city of Zhengzhou province high tech Zone Cedar Road No. 169 Henan Hanwei electronics Limited by Share Ltd, zip code: 450001 Patentee before: Henan Hanwei Electronics Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20090520 |
|
| CX01 | Expiry of patent term |