CN2510858Y - Infrared-ray gas analyser - Google Patents
Infrared-ray gas analyser Download PDFInfo
- Publication number
- CN2510858Y CN2510858Y CN 01273024 CN01273024U CN2510858Y CN 2510858 Y CN2510858 Y CN 2510858Y CN 01273024 CN01273024 CN 01273024 CN 01273024 U CN01273024 U CN 01273024U CN 2510858 Y CN2510858 Y CN 2510858Y
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- CN
- China
- Prior art keywords
- infrared
- probe
- gas
- solid
- window
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Abstract
The utility model provides an infrared gas analyzer, and relates to a gas analyzer using the modern high technology, such as infrared filtering technology, infrared absorption analyzing technology, signal measurement, signal treatment, etc. The infrared gas analyzer comprises an infrared source, an infrared filter, an infrared window piece, a measured gas chamber, a light collector, a light cutting piece, a light cutting motor and an infrared solid probe, wherein the infrared source is arranged on the front end of one side of the measured gas chamber, the back part of the infrared source is provided with the infrared filter which is connected with the infrared window piece at one side of the measured gas, the other side of the measured gas chamber is provided with the infrared window piece which is connected with the light collector, the solid infrared probe just faces to the outlet of the light collector, and the light cutting piece is connected with an automatic light motor. The light cutting piece is arranged between the light collector and the solid infrared probe or between the infrared source and the infrared filter.
Description
Technical field
That the utility model infrared gas analyzer relates to is a kind of gas analysis instrument of using modern high technology technology such as infrared ray filtering technique, infrared absorption analysis technology and signal measurement, signal Processing, CO, CO in the mixed gass such as on-line measurement flue gas, kiln gas, furnace gas, semiwater gas continuously
2, SO
2, NO
X, CH
4Deng all gases component content, can be widely used in industrial sectors such as electric power, environmental protection, oil, chemical industry, chemical fertilizer, system gas, metallurgy, building materials, colliery, the incineration of garbage, also can be used for medical treatment and other scientific experiment occasion.
Background technology
Domestic and international online gas analyzer mainly contains infrared microsound probe analytical instrument of condenser type and ultra-violet analysis instrument at present.The infrared microsound probe of condenser type is unable to undergo sour gas corrosion, continuous working for a long time.The speciality of ultra-violet analysis instrument is to be applicable to low concentration SO in the atmosphere
2The analysis of gas, and the portable gas analytical instrument that many employing electrochemical analysiss probe is produced, the unstable properties of product, consistance is relatively poor, and serviceable life is short, can not satisfy the requirement of commercial production on-line analysis.
Summary of the invention
The utility model provides a kind of infrared gas analyzer at above-mentioned weak point, adopt infrared ray filtering technique, infrared absorption analysis technology and signal processing technology, the content of the multiple composition in the mixed gass such as on-line measurement flue gas, kiln gas, furnace gas, semiwater gas continuously, measuring accuracy height, stable performance, long service life.
Infrared gas analyzer takes following mode to realize: the infrared gas analyzer structure comprises infrared light supply, infrared fileter, infrared window, tested gas compartment, condenser, cuts mating plate, cuts photoelectricity machine, the infrared solid probe.Tested gas compartment front end on one side is provided with infrared light supply, the infrared light supply rear portion is provided with infrared fileter, infrared fileter links to each other with tested gas compartment infrared window on one side, tested gas compartment another side is provided with infrared window, infrared window links to each other with condenser, and tested gas compartment is provided with air intake opening, gas outlet.The solid infrared probe faces the condenser outlet, and solid probe is connected with output signal line.Cut mating plate and cut photoelectricity machine and link to each other, cut mating plate and can install between condenser and solid infrared probe or cut the mating plate device between light source and infrared fileter.
The infrared gas analyzer characteristics:
1, according to classical Lang Baite---than ear infrared spectrum absorption law, adopt the physical method point-score;
2, adopt not chromatic dispersion infrared absorption analysis method;
3, contactless infrared solid probe detection method;
4, can onlinely detect;
5, be not afraid of moisture content and infiltrate the corrosion of acid resistance gas;
6, measuring accuracy height, stable performance, long service life, verification automatically.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is infrared gas analyzer embodiment 1.
Fig. 2 is infrared gas analyzer embodiment 2.
Embodiment
With reference to accompanying drawing 1,2, the infrared gas analyzer structure comprises infrared light supply 1, infrared fileter 2, infrared window 3 and 7, tested gas compartment 5, condenser 8, cuts mating plate 9, cuts photoelectricity machine 10, infrared solid probe 11.Tested gas compartment 5 front end on one side is provided with infrared light supply 1, infrared light supply 1 rear portion is provided with infrared fileter 2, infrared fileter 2 links to each other with tested gas infrared window 3 on one side, tested gas compartment 5 another sides also are provided with infrared window 7, infrared window 7 links to each other with condenser 8, and tested gas compartment is provided with air intake opening 4, gas outlet 6.Solid infrared probe 11 faces condenser 8 outlets, and solid probe 11 is connected with output signal line 12, and the output signal of infrared solid probe is finished collection, processing, calculating, demonstration and the output of signal by computer control circuit.Cut mating plate 9 and cut photoelectricity machine 10 and link to each other, cutting on the mating plate 9 has light hole.Cut mating plate 9 and can install between condenser 8 and the infrared exploration of solid 11 (referring to accompanying drawing 1), or cut mating plate 9 devices between light source 1 and infrared fileter 2 (referring to accompanying drawing 2).
The infrared gas analyzer principle of work: infrared light supply 1 produces infrared ray, form the infrared light of specific wavelength through the specific infrared-filtered sheet 2 of corresponding and tested gas, the infrared light of this specific wavelength sees through tested gas compartment 5 infrared window 3 on one side and enters tested gas compartment, tested gas enters from air intake opening 4,6 outflows from the gas outlet behind the absorption portion infrared light.Infrared window 7 backs that seen through the air chamber another side by the infrared light behind the gas absorption part infrared light are assembled by condenser 8, and the infrared light of gathering is absorbed by solid infrared probe 11.The solid infrared probe absorbs infrared ray and produces voltage signal, meets Lang Baite---than ear infrared spectrum absorption law.The solid infrared probe constantly absorbs infrared light and releases energy constantly generation and tested gas concentration corresponding voltage signal under the turning effort of cutting mating plate.Voltage signal through gather with keep amplification after by A/D converter analog signal conversion is become digital signal, carry out digital processing by computing machine then, through D/A converter digital signal is changed back simulating signal, produce standard 4～20mA circuit output signal, RS232 signal, 0～5V, 0～10V signal by signal interface circuit again, or by network interface realization teletransmission, and on the LCD display of analyser, show automatically.The correction of signal or the debugging of instrument are finished by signal input and operation input.
Claims (4)
1, a kind of infrared gas analyzer is characterized in that structure comprises infrared light supply, infrared fileter, infrared window, tested gas compartment, condenser, cuts mating plate, cuts photoelectricity machine, the infrared solid probe; Tested gas compartment front end on one side is provided with infrared light supply, the infrared light supply rear portion is provided with infrared fileter, infrared fileter links to each other with tested gas infrared window on one side, tested gas compartment another side is provided with infrared window, infrared window links to each other with condenser, the solid infrared probe faces condenser outlet, cuts mating plate and cuts photoelectricity machine and link to each other.
2, infrared gas analyzer according to claim 1, it is characterized in that cutting the mating plate device between condenser and solid infrared probe or the device between light source and infrared fileter.
3, infrared gas analyzer according to claim 1 is characterized in that tested gas compartment is provided with air intake opening, gas outlet.
4, infrared gas analyzer according to claim 1 is characterized in that solid probe is connected with output signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01273024 CN2510858Y (en) | 2001-12-26 | 2001-12-26 | Infrared-ray gas analyser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01273024 CN2510858Y (en) | 2001-12-26 | 2001-12-26 | Infrared-ray gas analyser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2510858Y true CN2510858Y (en) | 2002-09-11 |
Family
ID=33678071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01273024 Expired - Fee Related CN2510858Y (en) | 2001-12-26 | 2001-12-26 | Infrared-ray gas analyser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2510858Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543119A (en) * | 2012-07-12 | 2014-01-29 | 成都科盛石油科技有限公司 | Petroleum logging carbon dioxide detector capable of performing real-time communication |
| CN103808659A (en) * | 2014-02-19 | 2014-05-21 | 西安鼎研科技有限责任公司 | Light source chopping structure of optical sensor |
| CN105866036A (en) * | 2016-04-18 | 2016-08-17 | 京东方科技集团股份有限公司 | Air pollutant concentration detection device |
| CN108827900A (en) * | 2018-07-18 | 2018-11-16 | 北京益康农科技发展有限公司 | A kind of CO2Analytical equipment and rising measure apparatus of photosynthesis comprising it |
-
2001
- 2001-12-26 CN CN 01273024 patent/CN2510858Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543119A (en) * | 2012-07-12 | 2014-01-29 | 成都科盛石油科技有限公司 | Petroleum logging carbon dioxide detector capable of performing real-time communication |
| CN103808659A (en) * | 2014-02-19 | 2014-05-21 | 西安鼎研科技有限责任公司 | Light source chopping structure of optical sensor |
| CN105866036A (en) * | 2016-04-18 | 2016-08-17 | 京东方科技集团股份有限公司 | Air pollutant concentration detection device |
| CN108827900A (en) * | 2018-07-18 | 2018-11-16 | 北京益康农科技发展有限公司 | A kind of CO2Analytical equipment and rising measure apparatus of photosynthesis comprising it |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Bao Keming Document name: Notification of Termination of Patent Right |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |