CN110455736A - Infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband - Google Patents
Infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband Download PDFInfo
- Publication number
- CN110455736A CN110455736A CN201910736706.7A CN201910736706A CN110455736A CN 110455736 A CN110455736 A CN 110455736A CN 201910736706 A CN201910736706 A CN 201910736706A CN 110455736 A CN110455736 A CN 110455736A
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- China
- Prior art keywords
- quantum well
- led
- antimonide
- type quantum
- power consumption
- Prior art date
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Links
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses infrared gas sensors in a kind of automatic calibration low-power consumption of two waveband, including a type Quantum Well LED and two type Quantum Well LED, the center of one type Quantum Well LED is equipped with the first antimonide multi-quantum well active region, two type Quantum Well LED are equipped with the second antimonide multi-quantum well active region, and the first antimonide Quantum well active district handles to obtain the second antimonide Quantum well active district by Quantum Well.The present invention eliminates the custom requirements for needing reference gas channel by electronic locking technology using gas sensing LED, and continous way measurement may be implemented；Solve in the prior art due in environment dust it is serious, reception signal caused by dust covers is low, the problems such as detection accuracy is low；The present invention realizes the self-calibration function of LED signal decaying in the presence of a harsh environment by the Quantum Well LED of two different frequency ranges, and the extensive use for detecting LED for high-precision gas lays the foundation.Cost of manufacture economical rationality of the invention, function admirable are suitable for socially promoting the use of.
Description
Technical field
The present invention relates to infrared-gas in the automatic calibration low-power consumption of clothing arts, in particular to a kind of two waveband to sense
Device.
Background technique
It is a kind of detection method newer at present, tool using the concentration of special component such as carbon dioxide in LED detection air
There is a non-contact measurement, the advantages that the detection sensitivity of higher object gas selectivity and ppm rank.However gas LED is passed
When sensor works long hours, due to being influenced by dust in environment, it will cause and receive signal decaying, and then judge gas in air by accident
Body constituent concentration.Artificial periodically cleaning sensor surface is needed thus, it is time-consuming and laborious.Therefore, the automatic calibration of a kind of two waveband
Infrared gas sensor becomes entire society's urgent problem to be solved in low-power consumption.
Summary of the invention
The technical problem to be solved by the present invention is to LED detectors in the prior art due to the shadow by dust in environment
The problems such as ringing, will cause and receive signal decaying, and then erroneous judgement can be generated.
In order to solve the above technical problems, technical solution provided by the invention are as follows: a kind of automatic calibration low-power consumption of two waveband
Middle infrared gas sensor, including a type Quantum Well LED and two type Quantum Well LED, the center of the type Quantum Well LED is equipped with
First antimonide multi-quantum well active region, the two types Quantum Well LED be equipped with the second antimonide multi-quantum well active region, first
Antimonide Quantum well active district handles to obtain the second antimonide Quantum well active district by Quantum Well.
Further, the wavelength of the type Quantum Well LED transmitting is less than the wavelength that two type Quantum Well LED emit.
Further, the type Quantum Well LED and two type Quantum Well LED is using two kinds of launch parties of surface launching and end transmitting
Formula.
Further, the type Quantum Well LED and two type Quantum Well LED settings in rectangular configuration.
Further, the type Quantum Well LED and two type Quantum Well LED is gas sensing laser.
Invention compared with prior art the advantages of be: infrared gas in a kind of automatic calibration low-power consumption of two waveband of the present invention
Body sensor efficiently solves problems of the prior art, has many advantages, such as practical, function admirable；The present invention adopts
The custom requirements for needing reference gas channel, and the company of may be implemented are eliminated by electronic locking technology with gas sensing LED
Continuous formula measurement；Solve in the prior art due in environment dust it is serious, dust cover caused by reception signal it is low, detection accuracy
The problems such as low；The present invention realizes the self-correcting of LED signal decaying in the presence of a harsh environment by the Quantum Well LED of two different frequency ranges
Quasi- function, the extensive use for detecting LED for high-precision gas lay the foundation.Cost of manufacture economical rationality of the invention, performance
It is excellent, it is suitable for socially promoting the use of.
Detailed description of the invention
Fig. 1 is the side view of infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband of the present invention；
Fig. 2 is the top view of infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband of the present invention；
Fig. 3 is the perspective view of infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband of the present invention；
The working principle diagram of infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband of Fig. 4 present invention.
It is as shown in the figure: 1, a type Quantum Well LED, 2, two type Quantum Well LED, the 3, first antimonide multi-quantum well active region,
4, the second antimonide Quantum well active district.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings.
In conjunction with attached drawing, describe in detail to the present invention.
The present invention provides infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband in the specific implementation, packet
The center for including a type Quantum Well LED1 and two type Quantum Well LED2, the type Quantum Well LED1 is equipped with the first antimonide Multiple-quantum
Trap active area 3, the two types Quantum Well LED2 are equipped with the second antimonide multi-quantum well active region 4, the first antimonide Quantum Well
Active area 3 handles to obtain the second antimonide Quantum well active district 4 by Quantum Well.The present invention passes through the quantum of two different frequency ranges
Trap LED isolates the information of gas energy absorption by electronic locking technology from the photoelectric measurement information of working frequency range, from
And determine the concentration of the special component in gas；The concentration information of working frequency range is calibrated, to realize without artificial dry
Pre- two waveband self-calibrating gas LED detector.
It is further described as of the invention, the wavelength of the type Quantum Well LED1 transmitting is less than two type Quantum Well LED2
The wavelength of transmitting,.
Be further described as of the invention, the type Quantum Well LED1 and two type Quantum Well LED2 using surface launching and
Two kinds of radiation patterns of end transmitting, radiation pattern are simple.
It is further described as of the invention, the type Quantum Well LED1 and two type Quantum Well LED2 are in rectangular configuration sets
It sets.
It is further described as of the invention, the type Quantum Well LED1 and two type Quantum Well LED2 are gas sensing
LED。
The present invention uses two waveband self-calibrating gas LED detector, grows two extremely narrow frequency range in adjacent position
Quantum Well LED isolates the letter of gas energy absorption by electronic locking technology from the photoelectric measurement information of working frequency range
Breath, and then determine special component in gas；Cost of manufacture economical rationality of the invention, function admirable are suitable for socially promoting
It uses.
The present invention and its embodiments have been described above, this description is no restricted, shown in the drawings
Only one of embodiments of the present invention, actual structure is not limited to this.All in all if the ordinary skill of this field
Personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution phase
As frame mode and embodiment, be within the scope of protection of the invention.
Claims (5)
1. infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband, it is characterised in that: including a type Quantum Well LED
(1) and two type Quantum Well LED (2), the center of the type Quantum Well LED (1) are equipped with the first antimonide multi-quantum well active region
(3), the two types Quantum Well LED (2) is equipped with the second antimonide multi-quantum well active region (4), and the first antimonide Quantum Well has
Source region (3) handles to obtain the second antimonide Quantum well active district (4) by Quantum Well.
2. infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband according to claim 1, feature exist
In: the wavelength of type Quantum Well LED (1) transmitting is less than the wavelength that two type Quantum Well LED (2) emit.
3. infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband according to claim 1, feature exist
In: the type Quantum Well LED (1) and two type Quantum Well LED (2) are using two kinds of radiation patterns of surface launching and end transmitting.
4. infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband according to claim 1, feature exist
In: the type Quantum Well LED (1) and two type Quantum Well LED (2) settings in rectangular configuration.
5. infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband according to claim 1, feature exist
In: the type Quantum Well LED (1) and two type Quantum Well LED (2) be gas sensing LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736706.7A CN110455736A (en) | 2019-08-10 | 2019-08-10 | Infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736706.7A CN110455736A (en) | 2019-08-10 | 2019-08-10 | Infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110455736A true CN110455736A (en) | 2019-11-15 |
Family
ID=68485803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910736706.7A Pending CN110455736A (en) | 2019-08-10 | 2019-08-10 | Infrared gas sensor in a kind of automatic calibration low-power consumption of two waveband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110455736A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567955A (en) * | 1995-05-04 | 1996-10-22 | National Research Council Of Canada | Method for infrared thermal imaging using integrated gasa quantum well mid-infrared detector and near-infrared light emitter and SI charge coupled device |
| JP2005129686A (en) * | 2003-10-23 | 2005-05-19 | Sanyo Electric Co Ltd | Semiconductor light emitting element |
| CN103078252A (en) * | 2013-01-25 | 2013-05-01 | 中国科学院半导体研究所 | Dual-wavelength antimonide strained quantum well semiconductor laser and preparation method thereof |
| CN103325862A (en) * | 2013-05-23 | 2013-09-25 | 中国科学院半导体研究所 | Two-tone quantum well infrared light detector |
| CN106298993A (en) * | 2016-10-13 | 2017-01-04 | 中国科学院半导体研究所 | Indium arsenic antimony and indium gallium arsenic antimony two-band infrared detector and preparation method |
| CN208596679U (en) * | 2018-06-01 | 2019-03-12 | 西安电子科技大学 | A kind of two waveband quantum trap infrared detector with high-absorbility |
| CN210665492U (en) * | 2019-08-10 | 2020-06-02 | 南京信光半导体科技有限公司 | Dual-waveband automatic calibration low-power-consumption mid-infrared gas sensor |
-
2019
- 2019-08-10 CN CN201910736706.7A patent/CN110455736A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5567955A (en) * | 1995-05-04 | 1996-10-22 | National Research Council Of Canada | Method for infrared thermal imaging using integrated gasa quantum well mid-infrared detector and near-infrared light emitter and SI charge coupled device |
| JP2005129686A (en) * | 2003-10-23 | 2005-05-19 | Sanyo Electric Co Ltd | Semiconductor light emitting element |
| CN103078252A (en) * | 2013-01-25 | 2013-05-01 | 中国科学院半导体研究所 | Dual-wavelength antimonide strained quantum well semiconductor laser and preparation method thereof |
| CN103325862A (en) * | 2013-05-23 | 2013-09-25 | 中国科学院半导体研究所 | Two-tone quantum well infrared light detector |
| CN106298993A (en) * | 2016-10-13 | 2017-01-04 | 中国科学院半导体研究所 | Indium arsenic antimony and indium gallium arsenic antimony two-band infrared detector and preparation method |
| CN208596679U (en) * | 2018-06-01 | 2019-03-12 | 西安电子科技大学 | A kind of two waveband quantum trap infrared detector with high-absorbility |
| CN210665492U (en) * | 2019-08-10 | 2020-06-02 | 南京信光半导体科技有限公司 | Dual-waveband automatic calibration low-power-consumption mid-infrared gas sensor |
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