CN206292156U - A kind of flue gas analyzer - Google Patents
A kind of flue gas analyzer Download PDFInfo
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- CN206292156U CN206292156U CN201621334256.7U CN201621334256U CN206292156U CN 206292156 U CN206292156 U CN 206292156U CN 201621334256 U CN201621334256 U CN 201621334256U CN 206292156 U CN206292156 U CN 206292156U
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Abstract
The utility model belongs to field of gas detection, and in particular to a kind of flue gas analyzer based on ultra-violet absorption spectrum and oxygen sensor.Analyzer of the present utility model includes information acquisition system, information processing system, whole machine electric power system and peripheral module.Information acquisition system is used for the collection of flue gas information；Information processing system is used to be controlled the peripheral module and carries out concentration resolving treatment to the data that described information acquisition system is gathered；Whole machine electric power system is used to provide direct current supply to whole machine；Peripheral module is respectively used to the parameter of light source in control information acquisition system, the data is activation for being powered to oxygen sensor and gathering oxygen sensor is to industrial computer, and the control parameter of industrial computer is obtained, and the concentration data that information acquisition system is collected is converted to current signal and exported.The utility model proposes flue gas analyzer can realize the quick detection of flue gas and be easy to carry, convenient use.
Description
Technical field
The utility model belongs to field of gas detection, and in particular to a kind of based on ultra-violet absorption spectrum and oxygen sensor
Flue gas analyzer.
Background technology
Attention with China to environmental protection cause, over the past two years, the analytical instrument for Pollution Source Monitoring is badly in need of in country.Make
Monitor the nucleus equipment at product station automatically for pollution sources, gas analyzer has very important work in whole monitoring process
With.Wherein, flue gas analyzer utilizes tested gas in the absorption of specific UV spectrum, i.e. ultraviolet band difference absorption spectrum
(DOAS) concentration of gas is determined.This technology has the application of maturation and extensive market in environmentally friendly gas-monitoring field,
The operation principle of difference absorption spectrum is the narrow-band absorption spectrum using molecule distinguishes the composition of gas, by its absorption spectra
Intensity derives the concentration of tested gas.Compared with infrared spectrum, ultraviolet spectra is higher for the discrimination of gas, therefore ultraviolet light
Spectrum is usually used in the on-line measurement to sulfide and nitride gas concentration.
The operation principle of difference absorption spectrum continuous monitor system is：High-power xenon arc transmitting light source transmitting is ultraviolet, visible
Spectrum, is then diffused as the uniform collimated light beam of energy by the measuring chamber full of tested sample, in measuring chamber by saturating convex lens
The other end will receive spectrum using another convex lens and focus on, due to the absorption of gas molecule, receive spectrum with transmitting
Spectrum is compared to generation energy loss, the spectra collection after be able to so being absorbed with ultraviolet spectrometer.Obtain enough data
Afterwards, it is possible to set up absorption spectra data storehouse, compareed with reference spectrum by absorption spectrum, data are carried out by computer
Reason, can make qualitative analysis to tested gas componant；By measure spectrum absorption intensity, can quantify and calculate tested gas
Concentration.
Utility model content
(1) technical problem to be solved
The purpose of this utility model is to propose a kind of flue gas analyzer, to solve the problems, such as flue gas quick detection.
(2) technical scheme
In order to solve the above technical problems, the utility model proposes a kind of flue gas analyzer, analyzer includes information gathering system
System, information processing system, whole machine electric power system and peripheral module；Wherein,
Information acquisition system is used for the collection of flue gas information, including spectra collection system and oxygen sensor；Spectra collection
System is used to gather gas absorption spectra data；Oxygen sensor is used to gather oxygen concentration data；Information acquisition system will be adopted
The data is activation of collection is to information processing system；
Information processing system is used to be controlled peripheral module and the data that information acquisition system is gathered is carried out dense
Degree resolving treatment, including industrial computer and touching display screen；Industrial computer is used to be controlled peripheral module and to information gathering
The data of system acquisition carry out concentration resolving treatment；The control that touching display screen is used for industrial computer input to peripheral module is joined
Number, and data processed result to industrial computer shows；
Whole machine electric power system is used to provide direct current supply to whole machine；
Peripheral module includes level control block, oxygen sensor built-up circuit and electric current loop module；Level control block
For the parameter of light source in control information acquisition system；Oxygen sensor built-up circuit is used to be powered simultaneously oxygen sensor
By the data is activation of oxygen sensor collection to industrial computer；Electric current loop module is used to obtain the control parameter of industrial computer, and will letter
The concentration data that breath acquisition system is collected is converted to current signal and is exported.
Further, whole machine electric power system includes Anti-surging module, DC conversion modules and Power conversion board；Anti-surging mould
Block is used for the surge protection that whole machine is powered；DC conversion modules are used to for line voltage to be converted to DC voltage；Power conversion board
For DC voltage being provided respectively to information acquisition system, information processing system and peripheral module.
Further, DC conversion modules are 220V-12V DC conversion modules.
Further, spectra collection system includes light emitting module, multiple reflections formula sample cell and spectrometer；Light emitting module is used
In the transmitting light source for providing ultraviolet band；The ultraviolet spectra that multiple reflections formula sample cell is used to be tested gas absorbs；Spectrometer is used
Sent to industrial computer in receiving spectral information and spectral information being converted into electric signal.
Further, light emitting module includes high drive module and the xenon lamp as light source；High drive module is used to drive
Dynamic xenon lamp is lighted according to the frequency parameter that level control block gives.
Further, multiple reflections formula sample cell is connected by multimode fibre with spectrometer.
Further, industrial computer is connected by USB interface with spectrometer.
Further, industrial computer is connected by serial ports with peripheral module.
Further, industrial computer is the small-sized industrial computers of x86.
(3) beneficial effect
The utility model proposes flue gas analyzer can realize the quick detection of flue gas and be easy to carry, convenient use.
Brief description of the drawings
Fig. 1 is the flue gas analyzer complete machine structure figure of the utility model embodiment.
Specific embodiment
To make the purpose of this utility model, content and advantage clearer, with reference to the accompanying drawings and examples, to this reality
It is described in further detail with new specific embodiment.
The present embodiment propose flue gas analyzer include information acquisition system, information processing system, whole machine electric power system and
Peripheral module, as shown in Figure 1.The flue gas analyzer can be realized to SO2, NO and O2The real-time measurement of gas.
Information acquisition system is used to realize to ultraviolet band SO2With the absorption spectrum and O of NO2The collection of gas concentration, bag
Include spectra collection system and oxygen sensor.Spectra collection system includes light emitting module, multiple reflections formula sample cell and spectrometer.
Wherein, light emitting module includes high drive module and the xenon lamp as light source, and high drive module drive xenon lamp is according to level control
The given frequency parameter of molding block is lighted.Xenon lamp is directly anchored on multiple reflections formula sample cell, is rigidly connected therewith, hair
The spectrum of the ultraviolet band for going out is transferred directly to inside multiple reflecting pool.Multiple reflections formula sample cell is used to be tested the ultraviolet of gas
Spectral absorption.Spectrometer is used to receive spectral information and spectral information is converted into electric signal to send to information processing system
The small-sized industrial computers of x86.Oxygen sensor is implemented separately the measurement to oxygen concentration.
In actual measurement process, tested gas is passed through inside sample cell by air inlet through panel type flowmeter, in sample cell
It is full of to inside multiple reflections formula sample cell during inner loop, the ultraviolet band spectrum propagated in multiple reflections light path stands
Absorption signal is produced, spectrometer inside is transferred to by multimode fibre and electric signal is converted to, x86 is transferred directly to by cable
Small-sized industrial computer internal information processing routine carries out SO2Resolved with NO concentration.Then tested gas flows through oxygen measurement air chamber, by
Oxygen electrochemical sensor carries out the measurement of oxygen concentration, and will enter inside oxygen concentration information transfer to the small-sized industrial computers of x86
Row calibration is simultaneously exported.The small-sized industrial computers of x86 realize the power supply and control to oxygen sensor by peripheral module.
The small-sized industrial computers of x86 of information processing system are connected by USB interface with spectrometer, realize joining spectrometer inside
Several setting pre-read, and Real-time Collection ultraviolet spectra information；It is connected with peripheral module by serial ports, for entering to peripheral module
Row control and the data to information acquisition system collection carry out concentration resolving treatment, realize SO2Resolved with NO concentration and three kinds
The touch screen of tested gasmetry result shows.Touching display screen is used for the control to peripheral module to the small-sized industrial computer inputs of x86
Parameter processed, and data processed result to the small-sized industrial computers of x86 shows.
Whole machine electric power system includes Anti-surging module, DC conversion modules and Power conversion board.Anti-surging module is used for whole
The surge protection that machine is powered, DC conversion modules are 220V-12V DC conversion modules, for 220V line voltages to be converted to
12V DC voltages, Power conversion board be used for by 12V DC voltages provide respectively to information acquisition system, information processing system and
Peripheral module.
Peripheral module includes level control block, oxygen sensor built-up circuit and electric current loop module.Level control block
For the frequency signal input of light source in control information acquisition system, according to the luminance of program requirement control light source, make
With spectrometer match parameters.Oxygen sensor built-up circuit is used to be powered oxygen sensor and by oxygen sensor
To the small-sized industrial computers of x86, electric current loop module is used to obtain the control parameter of the small-sized industrial computers of x86 to the data is activation of collection, and will
The gas concentration information that information acquisition system is collected is converted to 4-20mA current signals and is exported.
The above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model know-why is not departed from, some improvement and deformation can also be made, these change
Enter and deform also to should be regarded as protection domain of the present utility model.
Claims (9)
1. a kind of flue gas analyzer, it is characterised in that the analyzer includes information acquisition system, information processing system, whole machine
Electric power system and peripheral module；Wherein,
Described information acquisition system is used for the collection of flue gas information, including spectra collection system and oxygen sensor；The spectrum
Acquisition system is used to gather gas absorption spectra data；The oxygen sensor is used to gather oxygen concentration data；Described information
The data is activation that acquisition system will be gathered is to described information processing system；
Described information processing system is used to be controlled the peripheral module and to the number of described information acquisition system collection
According to carrying out concentration resolving treatment, including industrial computer and touching display screen；The industrial computer is used to control the peripheral module
System and the data to the collection of described information acquisition system carry out concentration resolving treatment；The touching display screen is used for the work
Control machine is input into the control parameter of the peripheral module, and data processed result to the industrial computer shows；
The whole machine electric power system is used to provide direct current supply to whole machine；
The peripheral module includes level control block, oxygen sensor built-up circuit and electric current loop module；The Automatic level control
Module is used to control the parameter of light source in described information acquisition system；The oxygen sensor built-up circuit is used for the oxygen
The data is activation that sensor is powered and gathers the oxygen sensor is to the industrial computer；The electric current loop module is used for
Obtain the control information of the industrial computer, and the concentration data that described information acquisition system is collected be converted into current signal
Row output.
2. analyzer as claimed in claim 1, it is characterised in that the whole machine electric power system includes Anti-surging module, direct current
Modular converter and Power conversion board；The Anti-surging module is used for the surge protection that whole machine is powered；The DC conversion modules are used
In line voltage is converted into DC voltage；The Power conversion board is used to provide the DC voltage to described information respectively
Acquisition system, described information processing system and the peripheral module.
3. analyzer as claimed in claim 2, it is characterised in that the DC conversion modules are 220V-12V direct current moduluss of conversion
Block.
4. analyzer as claimed in claim 1, it is characterised in that the spectra collection system includes light emitting module, repeatedly anti-
Penetrate formula sample cell and spectrometer；The light emitting module is used to provide the transmitting light source of ultraviolet band；The multiple reflections style product
The ultraviolet spectra that pond is used to be tested gas absorbs；The spectrometer is used to receive spectral information and be converted to the spectral information
Electric signal is sent to the industrial computer.
5. analyzer as claimed in claim 4, it is characterised in that the light emitting module includes high drive module and as light
The xenon lamp in source；The high drive module is used to drive the xenon lamp to enter according to the frequency parameter that the level control block gives
Row is luminous.
6. analyzer as claimed in claim 4, it is characterised in that the multiple reflections formula sample cell passes through multimode fibre and institute
State spectrometer connection.
7. analyzer as claimed in claim 4, it is characterised in that the industrial computer is connected by USB interface with the spectrometer
Connect.
8. analyzer as claimed in claim 1, it is characterised in that the industrial computer is connected by serial ports with the peripheral module
Connect.
9. analyzer as claimed in claim 1, it is characterised in that the industrial computer is the small-sized industrial computers of x86.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621334256.7U CN206292156U (en) | 2016-12-06 | 2016-12-06 | A kind of flue gas analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621334256.7U CN206292156U (en) | 2016-12-06 | 2016-12-06 | A kind of flue gas analyzer |
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| Publication Number | Publication Date |
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| CN206292156U true CN206292156U (en) | 2017-06-30 |
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ID=59096371
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| CN201621334256.7U Active CN206292156U (en) | 2016-12-06 | 2016-12-06 | A kind of flue gas analyzer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956513A (en) * | 2018-08-03 | 2018-12-07 | 西安工业大学 | Portable ultraviolet spectrum flue gas analyzer and analysis method |
| CN113092398A (en) * | 2021-03-31 | 2021-07-09 | 天津同阳科技发展有限公司 | Flue gas analyzer based on ultraviolet differential absorption spectrometry and measuring method |
-
2016
- 2016-12-06 CN CN201621334256.7U patent/CN206292156U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108956513A (en) * | 2018-08-03 | 2018-12-07 | 西安工业大学 | Portable ultraviolet spectrum flue gas analyzer and analysis method |
| CN113092398A (en) * | 2021-03-31 | 2021-07-09 | 天津同阳科技发展有限公司 | Flue gas analyzer based on ultraviolet differential absorption spectrometry and measuring method |
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