CN106338490A - Infrared light detection water concentration sensor - Google Patents
Infrared light detection water concentration sensor Download PDFInfo
- Publication number
- CN106338490A CN106338490A CN201611008801.8A CN201611008801A CN106338490A CN 106338490 A CN106338490 A CN 106338490A CN 201611008801 A CN201611008801 A CN 201611008801A CN 106338490 A CN106338490 A CN 106338490A
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- China
- Prior art keywords
- infrared light
- infrared
- water vapor
- optical fiber
- concentration sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000010521 absorption reaction Methods 0.000 claims abstract description 40
- 239000013307 optical fiber Substances 0.000 claims abstract description 36
- 230000001105 regulatory effect Effects 0.000 claims abstract description 8
- 241000219739 Lens Species 0.000 claims description 19
- 210000000695 crystalline len Anatomy 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000003786 synthesis reaction Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 230000036632 reaction speed Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- -1 and wherein Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012546 transfer Methods 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
- G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
Abstract
The invention provides an infrared light detection water concentration sensor. On the basis of an infrared light generating device regulating system, an infrared light generating device generates infrared light of the specific wavelength, infrared light perpendicularly passes through a water vapor absorption chamber through a calibration light filter and a collimation lens to reach an infrared light electric signal converter, the infrared light electric signal converter transmits the received signal to an infrared signal processor through an optical fiber, the concentration of water vapor in gas inside the water vapor absorption chamber is analyzed and worked out, and the infrared light detection water concentration sensor has the advantages that the structure is simple, operation is convenient, the reaction speed is high, sensitivity is high, and detection errors caused by changes of external environment temperature and humidity are small.
Description
Technical field
The present invention relates to laser detection water concentration field, especially infrared light detection water concentration field.
Background technology
Detection method for water vapor concentration in gas in recent years has increasing application, and current regular senior middle school is using electricity
Solution sensor is detected, the time of its detection is longer, and sensitivity is also poor, larger by external environment influence, the mistake of generation
Poor also larger, cost is also high, therefore provides a kind of high accuracy, high sensitivity, convenient operation, accurate, the competitively priced survey of data
The sensing of examination water vapor concentration is particularly important.
There is fine difference according to different sample preparation preparation gas methods, but detection process is consistent.Common method is just
It is that preparation gas is passed through electrolytic sensors, electrolytic sensors occur cell reaction, sensor with the water vapour being passed through in gas
By analysis meter in the signal transmission of electrolysis to signal processor calculate by the concentration of gas.This electrolytic process is not only relatively more multiple
Miscellaneous, and the temperature by external environment condition, humidity affected larger.
Content of the invention
In view of the shortcomings of the prior art, the purpose of the present invention is to be to provide infrared light detection water concentration sensor,
It is not only simple in structure, easy to operate, and response speed is fast, and sensitivity is high, by the temperature of external environment condition, the change of humidity and cause
Detection error little.
For achieving the above object, the present invention can be achieved by the following technical programs:
A kind of infrared light detection water concentration sensor, fills including signal generator, first, second optical fiber, infrared light
Put, first, second calibrates filter lenss and collimating mirror, water vapor absorption room, infrared electro signal adapter, signal processor, its
In, described signal generator, described first optical fiber, described infrared light generating apparatus, described first calibration filter lenss and collimating mirror
Form infrared light generating apparatus regulating system；Described signal generator is connected with infrared light generating apparatus by the first optical fiber, red
Outer light generating apparatus regulating system is fixed on the top of water vapor absorption room；
Described signal processor, described second optical fiber, described infrared electro signal adapter, described second calibration filter lenss
It is combined into infrared signal detecting system with collimating mirror；Described signal processor passes through the second optical fiber to be changed with infrared electro signal
Device connects, and infrared signal detecting system is fixed on the bottom of water vapor absorption room.
Further, described water vapor absorption room is provided with water vapour import and steam outlet.
Further, first, second optical fiber adapter sleeve, first, second sealing ring are also included, described signal generator passes through
First optical fiber is connected with infrared light generating apparatus, is sealingly fastened in water vapor absorption through the first optical fiber adapter sleeve, the first sealing ring
The top of room；Described signal processor is connected with infrared electro signal adapter by the second optical fiber, through the second optical fiber adapter sleeve,
Second sealing ring is sealingly fastened in the bottom of water vapor absorption room.
Further, described first, second optical fiber is silica fibre.
Further, described first, second calibration light filter and collimation lens are that various filtration by light wave is become single
One or a class interval the device that may finally be only absorbed by the water and produce absworption peak.
Further, the minimum 0.5mm of described water vapor absorption room diameter, length minimum 0.5mm.
Further, described water vapor absorption room is rigid or flexible water vapor absorption room, and water vapor absorption chamber shape is
Linear or bending.
Further, described infrared electro signal adapter includes various crystal, non-crystal, ceramic believing light
Number it is converted into all infrared Absorption detection devices of the signal of telecommunication.
Further, described infrared light generating apparatus are used for producing light, and described light is finally can be only absorbed by the water simultaneously
Produce the light of absworption peak, described light includes infrared light, visible ray, laser, microwave, the composition of described infrared light generating apparatus
Part is light wave producer or the various device that can produce white light, infrared light, visible ray, laser, microwave.
Further, described infrared light is the light of the whole section between ultraviolet light to microwave, its wave-length coverage
From 10-2～10-7Rice.
The present invention, by infrared light generating apparatus regulating system, makes infrared light generating apparatus produce the infrared of specific wavelength
Light, and make infrared light perpendicular through water vapor absorption room through the first calibration light filter and collimation lens, reach infrared light telecommunications
On number transducer, the signal receiving is passed through fiber-optic transfer on IR signal processor by infrared electro signal adapter, point
Analysis calculates the water vapor concentration in water vapor absorption indoor gas.Present configuration is simple, easy to operate, and response speed is fast,
Sensitivity is high, by the temperature of external environment condition, the change of humidity and the detection error that causes is little.
Brief description
Fig. 1 is the structure complete section schematic diagram of an embodiment of the present invention；
In figure: 1, signal generator, the 2, first optical fiber, 3, infrared light generating apparatus, the 4, first optical fiber adapter sleeve, 5, first
Sealing ring, the 6, first calibration filter lenss and collimating mirror, 7, water vapour import, 8, water vapor absorption room, 9, steam outlet, 10, red
Outer photoelectric signal converter, 11, signal processor, 12, cable, the 13, second optical fiber, the 14, second optical fiber adapter sleeve, 15,
Two sealing rings, the 16, second calibration filter lenss and collimating mirror；
Specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the present invention is further illustrated:
As shown in figure 1, infrared survey water concentration sensor, including signal generator 1, first, second optical fiber 2,13, infrared light
Generating meanss 3, first, second optical fiber adapter sleeve 4,14, first, second sealing ring 5,15, first, second calibration filter lenss and standard
Straight mirror 6,16, water vapour import 7, water vapor absorption room 8, steam outlet 9, infrared electro signal adapter 10, signal processing
Device 11, signal generator 1, signal processor 11 are all connected with cable 12, wherein, signal generator 1, the first optical fiber 2, infrared
Light generating apparatus 3, first calibration filter lenss and collimating mirror 6 form infrared light generating apparatus regulating system；Signal processor 11,
Two optical fiber 13, infrared electro signal adapter 10, second calibration filter lenss and collimating mirror 16 are combined into infrared signal detection system
System；
Signal generator 1 is used for receiving external signal, adjusts the wavelength that infrared light generating apparatus 3 produce.First, second light
Fine 2,3 transmission being used for signal, can effectively prevent the interference of external signal and the efficiency improving transmission.Wherein, infrared light is sent out
Generating apparatus 3 are used for producing light, and this light is the light that finally can be only absorbed by the water and produce absworption peak, and this light can be
Infrared light, visible ray, laser, microwave, electromagnetic wave, the ingredient of this infrared light generating apparatus can be light wave producer,
Can be various types of device that can produce white light, infrared light, visible ray, laser, microwave, electromagnetic wave, its material and composition
Structure does not limit.The signal that infrared light generating apparatus 3 are given according to signal generator 1, the infrared light of wavelength needed for generation.Firstth,
Second calibration light filter and collimation lens 6,16 refer to for various filtration by light wave to become a single or class interval
Can be only absorbed by the water and produce the device of absworption peak eventually, the first calibration filter lenss are used for filtering invalid light source with collimating mirror 6, and
Make infrared light perpendicular through in water vapor absorption room 8.
Infrared electro signal adapter 10 includes various crystal, non-crystal, ceramic to convert optical signals into electricity
All infrared Absorption detection devices of signal.
First, second optical fiber 2,13 is silica fibre, and wherein, silica fibre, can be that the light of other materials can also
It is the cable of various materials, and the device meeting requirements above, water can also be produced in the situation not using optical fiber or cable
The minimum 0.5mm of vapor absorption room 8 diameter, the minimum 0.5mm of length, can be straight line can also be bending, Ke Yishi
Rigidity can also be flexible, can be circle can also be spherical, can be single channel can also be multigroup light folding
Folded.Because water vapor absorption room 8 needs higher sealing, in the middle of the connection of optical fiber adapter sleeve and water vapor absorption room 8
Using sealing ring sealing, specifically, signal generator 1 is connected with infrared light generating apparatus 3, through the first light by the first optical fiber 2
Fine adapter sleeve 4, first sealing ring the 5, first calibration filter lenss and collimating mirror 6 are sealingly fastened in the top of water vapor absorption room 8；Letter
Number processor 11 is connected with infrared electro signal adapter 10 by the second optical fiber 13, close through the second optical fiber adapter sleeve 14, second
Filter lenss are calibrated in seal 15, second and collimating mirror 16 is sealingly fastened in the bottom of water vapor absorption room 8；On water vapor absorption room 8
It is provided with water vapour import 7 and steam outlet 9.In test process, water vapour enters into water vapour by water vapour import 7 and inhales
Receive in room 8 and flow out from steam outlet 9 again, whole test process water vapour continues through water vapor absorption room 8, water vapor absorption
The infrared electro signal adapter 10 of room 8 lower end and signal processor 11 moment carry out detection calculating to absorbing indoor gas.
Infrared light of the present invention refers to the light of the whole section between ultraviolet light to microwave, its wave-length coverage
From 10-2～10-7Rice.
The present invention, by infrared light generating apparatus regulating system, makes infrared light generating apparatus 3 produce the infrared of specific wavelength
Light, and make infrared light perpendicular through water vapor absorption room 8 through the first calibration light filter and collimation lens 6, reach infrared electro
On signal adapter 10, the signal receiving is transferred to infrared signal by the second optical fiber 13 by infrared electro signal adapter 10
On processor 11, analytical calculation goes out the water vapor concentration in gas in water vapor absorption room 8.Present configuration is simple, operation side
Just, response speed is fast, and sensitivity is high, by the temperature of external environment condition, the change of humidity and the detection error that causes is little.
For a person skilled in the art, other can be made various corresponding according to above technical scheme and design
Change and deformation, and all these change and deformation all should belong within the protection domain of the claims in the present invention.
Claims (10)
1. a kind of infrared light detection water concentration sensor it is characterised in that: include signal generator, first, second optical fiber, infrared
Light generating apparatus, first, second calibration filter lenss and collimating mirror, water vapor absorption room, infrared electro signal adapter, at signal
Reason device, wherein, described signal generator, described first optical fiber, described infrared light generating apparatus, described first calibration filter lenss with
Collimating mirror forms infrared light generating apparatus regulating system；Described signal generator passes through the first optical fiber with infrared light generating apparatus even
Connect, infrared light generating apparatus regulating system is fixed on the top of water vapor absorption room；
Described signal processor, described second optical fiber, described infrared electro signal adapter, described second calibration filter lenss and standard
Straight microscope group synthesis infrared signal detecting system；Described signal processor passes through the second optical fiber with infrared electro signal adapter even
Connect, infrared signal detecting system is fixed on the bottom of water vapor absorption room.
2. according to claim 1 infrared light detection water concentration sensor it is characterised in that: set on described water vapor absorption room
There are water vapour import and steam outlet.
3. infrared light detection water concentration sensor according to claim 1 it is characterised in that: also include first, second light
Fine adapter sleeve, first, second sealing ring, described signal generator is connected with infrared light generating apparatus by the first optical fiber, through
One optical fiber adapter sleeve, the first sealing ring are sealingly fastened in the top of water vapor absorption room；Described signal processor passes through the second light
Fibre is connected with infrared electro signal adapter, is sealingly fastened in water vapor absorption room through the second optical fiber adapter sleeve, the second sealing ring
Bottom.
4. infrared light detection water concentration sensor according to claim 1 it is characterised in that: described first, second optical fiber
For silica fibre.
5. infrared light detection water concentration sensor according to claim 1 it is characterised in that: described first, second calibration
Light filter and collimation lens are that various filtration by light wave is become may finally being only absorbed by the water of a single or class interval
And produce the device of absworption peak.
6. infrared light detection water concentration sensor according to claim 1 it is characterised in that: described water vapor absorption room is straight
The minimum 0.5mm in footpath, length minimum 0.5mm.
7. infrared light detection water concentration sensor according to claim 1 it is characterised in that: described water vapor absorption room is
Rigid or flexible water vapor absorption room, water vapor absorption chamber shape is linear or bending.
8. infrared light detection water concentration sensor according to claim 1 it is characterised in that: described infrared electro signal turns
Parallel operation includes various crystal, non-crystal, the ceramic all infrared Absorption that can convert optical signals into the signal of telecommunication and detects
Device.
9. infrared light detection water concentration sensor according to claim 1 it is characterised in that: described infrared light generating apparatus
For producing light, described light is the light that finally can be only absorbed by the water and produce absworption peak, described light include infrared light,
Visible ray, laser, microwave, the ingredient of described infrared light generating apparatus is light wave producer or the various white light, red of producing
Outer light, visible ray, laser, the device of microwave.
10. infrared light detection water concentration sensor according to claim 9 it is characterised in that: described infrared light is from purple
The light of the whole section between microwave for the outer light, its wave-length coverage is from 10-2～10-7Rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008801.8A CN106338490A (en) | 2016-11-16 | 2016-11-16 | Infrared light detection water concentration sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008801.8A CN106338490A (en) | 2016-11-16 | 2016-11-16 | Infrared light detection water concentration sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106338490A true CN106338490A (en) | 2017-01-18 |
Family
ID=57841333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611008801.8A Pending CN106338490A (en) | 2016-11-16 | 2016-11-16 | Infrared light detection water concentration sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1912585A (en) * | 2005-08-12 | 2007-02-14 | 深圳迈瑞生物医疗电子股份有限公司 | Method and device for automatic correcting and measuring gas concentration using infrared light absorption characteristic |
| CN1945287A (en) * | 2006-10-17 | 2007-04-11 | 中国科学院安徽光学精密机械研究所 | New nodal real time gas concentration monitoring method and sensor |
| CN103033487A (en) * | 2012-12-27 | 2013-04-10 | 济南兰光机电技术有限公司 | Device for detecting gas humidity with infrared light |
| CN103364360A (en) * | 2013-03-14 | 2013-10-23 | 深圳先进技术研究院 | Moisture meter |
| CN203324177U (en) * | 2013-02-01 | 2013-12-04 | 深圳市理邦精密仪器股份有限公司 | Device for measuring gas concentration |
| CN104089910A (en) * | 2014-06-17 | 2014-10-08 | 广西壮族自治区机械工业研究院 | Apparatus for simultaneously detecting color value and turbidity of finished sugar, and rapid detection method |
| CN104089919A (en) * | 2014-07-03 | 2014-10-08 | 中国人民解放军后勤工程学院 | Infrared spectrum-based detection method of large-space oil gas concentration of oil house |
| CN104359851A (en) * | 2014-09-01 | 2015-02-18 | 太仓光电技术研究所 | Device for detecting concentration of anesthetic gases |
| CN205120583U (en) * | 2015-11-26 | 2016-03-30 | 成都中油翼龙科技有限责任公司 | Adopt near infrared spectroscopy method to measure device of crude oil moisture content |
-
2016
- 2016-11-16 CN CN201611008801.8A patent/CN106338490A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1912585A (en) * | 2005-08-12 | 2007-02-14 | 深圳迈瑞生物医疗电子股份有限公司 | Method and device for automatic correcting and measuring gas concentration using infrared light absorption characteristic |
| CN1945287A (en) * | 2006-10-17 | 2007-04-11 | 中国科学院安徽光学精密机械研究所 | New nodal real time gas concentration monitoring method and sensor |
| CN103033487A (en) * | 2012-12-27 | 2013-04-10 | 济南兰光机电技术有限公司 | Device for detecting gas humidity with infrared light |
| CN203324177U (en) * | 2013-02-01 | 2013-12-04 | 深圳市理邦精密仪器股份有限公司 | Device for measuring gas concentration |
| CN103364360A (en) * | 2013-03-14 | 2013-10-23 | 深圳先进技术研究院 | Moisture meter |
| CN104089910A (en) * | 2014-06-17 | 2014-10-08 | 广西壮族自治区机械工业研究院 | Apparatus for simultaneously detecting color value and turbidity of finished sugar, and rapid detection method |
| CN104089919A (en) * | 2014-07-03 | 2014-10-08 | 中国人民解放军后勤工程学院 | Infrared spectrum-based detection method of large-space oil gas concentration of oil house |
| CN104359851A (en) * | 2014-09-01 | 2015-02-18 | 太仓光电技术研究所 | Device for detecting concentration of anesthetic gases |
| CN205120583U (en) * | 2015-11-26 | 2016-03-30 | 成都中油翼龙科技有限责任公司 | Adopt near infrared spectroscopy method to measure device of crude oil moisture content |
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