CN209148521U - A kind of temperature control device of ultraviolet difference monitoring system - Google Patents
A kind of temperature control device of ultraviolet difference monitoring system Download PDFInfo
- Publication number
- CN209148521U CN209148521U CN201821620162.5U CN201821620162U CN209148521U CN 209148521 U CN209148521 U CN 209148521U CN 201821620162 U CN201821620162 U CN 201821620162U CN 209148521 U CN209148521 U CN 209148521U
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- CN
- China
- Prior art keywords
- temperature control
- monitoring system
- control device
- xenon lamp
- power supply
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Abstract
The utility model is suitable for gas monitoring techniques improvement areas, provide a kind of temperature control device of ultraviolet difference monitoring system, the temperature control device of the ultraviolet difference monitoring system includes heating box, optical fiber, xenon lamp, fiber spectrometer, power supply and gas chamber, the xenon lamp, fiber spectrometer and power supply are sequentially arranged in the heating box, the light output end of the xenon lamp connects one end of the gas chamber by optical fiber, the other end of the gas chamber connects the light input end of the fiber spectrometer by optical fiber, the feeder ear of the xenon lamp and the feeder ear of fiber spectrometer is electrically connected in the output end of the power supply.The temperature control device, structure is simple, at low cost, enhances the ability that ultraviolet difference monitors the anti-ambient temperature interference of system by temperature control device, improves the measuring accuracy of monitoring system, reduce the later period and frequently calibrate, reduce maintenance cost.
Description
Technical field
The utility model belongs to the temperature control of gas monitoring techniques improvement areas more particularly to a kind of ultraviolet difference monitoring system
Device.
Background technique
DOAS difference absorption spectrum technology is applied to gaseous pollutant SO2, NOx concentration monitors, according to these concentration values,
Quantization improvement can be carried out to such as boiler parameter, improve the efficiency of combustion of boiler, increase the utility ratio of energy, while reducing dirt
The concentration of emission of object is contaminated, it is energy saving.
The light that existing ultraviolet difference monitoring system mostly uses pulsed xenon source to issue is by optical fiber through collimated
Enter the gas compartment that both ends are equipped with quartz glass afterwards, emergent light receives after lens focus by fiber spectrometer, and by optical signal
It is converted into electric signal and is input in system to carry out data processing.
Such system xenon lamp and fiber spectrometer can change with the variation of ambient temperature, send out measuring signal
Changing eventually leads to the fluctuation and drift of measurement concentration, influences the precision of measurement.
Xenon lamp and fiber spectrometer in ultraviolet difference monitoring system is weak to the anti-interference ability of ambient temperature, environment
Temperature change, biggish change can occur for the signal that the signal and fiber spectrometer that xenon lamp issues receive, so as to cause inspection
The measurement precision of examining system reduces, and needs later period frequent calibration, and maintenance cost is high.
Utility model content
The purpose of this utility model is to provide a kind of temperature control devices of ultraviolet difference monitoring system, it is intended to solve ultraviolet difference
Xenon lamp and fiber spectrometer in point monitoring system is weak to the anti-interference ability of ambient temperature, variation of ambient temperature, xenon
Biggish change can occur for the signal that the signal and fiber spectrometer that lamp issues receive, so as to cause the measurement essence of monitoring system
Accuracy reduces, and needs later period frequent calibration, the high technical problem of maintenance cost.
The utility model is realized in this way a kind of temperature control device of ultraviolet difference monitoring system, the ultraviolet difference prison
The temperature control device of examining system includes heating box, optical fiber, xenon lamp, fiber spectrometer, power supply and gas chamber, the xenon lamp, optical fiber
Spectrometer and power supply are sequentially arranged in the heating box, and the light output end of the xenon lamp connects the gas chamber by optical fiber
One end, the other end of the gas chamber connect the light input end of the fiber spectrometer, the output of the power supply by optical fiber
The feeder ear of the xenon lamp and the feeder ear of fiber spectrometer is electrically connected in end.
The further technical solution of the utility model is: the heating box includes shell, thermal insulation layer, heating tape and temperature control
Device, the thermal insulation layer and heating tape are respectively arranged in the shell, the thermal insulation layer be set to the shell and the heating tape it
Between, the control terminal of the heating tape connects the input terminal of the temperature controller, and the input terminal of the temperature controller connects the power supply electricity
The output end in source.
The further technical solution of the utility model is: the gas chamber include tube body, the first lens, the first fused silica glass,
Second fused silica glass and the second lens, one end of the tube body are respectively equipped with the first lens and the first fused silica glass from outside to inside,
The other end of the tube body is respectively equipped with the second lens and the second fused silica glass, first lens, the first quartz from outside to inside
Eyeglass, the second fused silica glass and the second lens are successively parallel in the tube body.
The further technical solution of the utility model is: one end side wall of the tube body is equipped with gas inlet pipe, described
The other end side wall of tube body is equipped with gas outlet tube, the gas inlet pipe and gas outlet tube in the ipsilateral flat of the tube body
It is parallel in face.
The further technical solution of the utility model is: the temperature controller is using more gear temperature controllers.
The further technical solution of the utility model is: the xenon lamp, fiber spectrometer and power supply pass through fixation
Snap-gauge is set in the heating box, and the fixing chuck plate is connected by screw to the heating box.
The further technical solution of the utility model is: four Angle Positions of the heating box are respectively equipped with a fixed angles
Plate, the fixed angle plate are equipped with screw hole.
The beneficial effects of the utility model are: the temperature control device, structure is simple, at low cost, is enhanced by temperature control device purple
The ability of the anti-ambient temperature interference of outer difference monitoring system, improves the measuring accuracy of monitoring system, reduces later period frequency
Numerous calibration reduces maintenance cost.
Detailed description of the invention
Fig. 1 is the sectional view of the temperature control device of ultraviolet difference monitoring system provided by the embodiment of the utility model.
Specific embodiment
Appended drawing reference: the heating tape 1- 2- thermal insulation layer 3- shell 4- heating box 5- xenon lamp 7- fiber spectrometer 8- power supply
Power supply 9- tube body 10- lens 11- fused silica glass 12- gas chamber 13- gas inlet pipe 14- gas outlet tube 15- temperature controller
16,17- optical fiber 18- fixing chuck plate 19- fixed angle plate.
As shown in Figure 1, the temperature control device of ultraviolet difference monitoring system provided by the utility model, the ultraviolet difference monitoring
The temperature control device of system includes heating box 4, optical fiber 16,17, xenon lamp 5, fiber spectrometer 7, power supply 8 and gas chamber 12, described
Xenon lamp 5, fiber spectrometer 7 and power supply 8 are sequentially arranged in the heating box 4, and the light output end of the xenon lamp 5 passes through optical fiber
One end of the 17 connection gas chambers 12, the light that the other end of the gas chamber 12 connects the fiber spectrometer 7 by optical fiber 16 are defeated
Enter end, the feeder ear of the xenon lamp 5 and the feeder ear of fiber spectrometer 7 is electrically connected in the output end of the power supply 8.
The heating box 4 includes shell 3, thermal insulation layer 2, heating tape 1 and temperature controller 15, and the thermal insulation layer 2 and heating tape 1 are divided
She Yu not be in the shell, the thermal insulation layer 2 is set between the shell 3 and the heating tape 1, the control of the heating tape 1
End connects the input terminal of the temperature controller 15, and the input terminal of the temperature controller 15 connects the output end of the power supply 8.
The gas chamber 12 is saturating including tube body 9, the first lens 10, the first fused silica glass 11, the second fused silica glass 11 and second
Mirror 10, one end of the tube body 9 are respectively equipped with the first lens 10 and the first fused silica glass 11 from outside to inside, the tube body 9 it is another
One end is respectively equipped with the second lens 11 and the second fused silica glass 11 from outside to inside, first lens 10, the first fused silica glass 11,
Second fused silica glass 11 and the second lens 10 are successively parallel in the tube body 9.
One end side wall of the tube body 9 is equipped with gas inlet pipe 13, and the other end side wall of the tube body 9 is equipped with gas
Outlet 14, the gas inlet pipe 13 and gas outlet tube 14 are parallel in the same side plane of the tube body 9.
The temperature controller 15 is using more gear temperature controllers.
The xenon lamp 5, fiber spectrometer 7 and power supply 8 are set in the heating box 4 by fixing chuck plate 18, institute
It states fixing chuck plate 18 and is connected by screw to the heating box 4.
Four Angle Positions of the heating box 4 are respectively equipped with a fixed angle plate 19, and the fixed angle plate 19 is equipped with spiral shell
Hole.
Xenon lamp 5, fiber spectrometer 7, power supply 8 are placed in 4 temperature control device of heating box by the present invention, heating box
4 are connected with temperature controller 15, and heating box 4 is made of shell 3, thermal insulation layer 2, heating tape 1, and xenon lamp 5 and fiber spectrometer 7 pass through optical fiber
16,17 are connected with extraneous gas chamber 12.Gas chamber 12 is made of tube body 9, lens 10, fused silica glass 12.
5 part of xenon lamp in heating box 4 issues optical signal, is equipped with after the collimation of lens 10 into both ends by optical fiber 17
The gas chamber 12 of quartz glass, emergent light are received after the focusing of lens 10 by fiber spectrometer 7, and obtained measuring signal passes through prison
The processing of examining system finally shows the concentration value of measurement gas.
The particular temperature value for being higher than room temperature is arranged in heating box 4, and ultraviolet difference monitoring system is in normal operating conditions
When, when the temperature of temperature controller detection is lower than setting value, heating tape will be heated, and temperature progressivelyes reach setting value, when temperature controller is examined
When the temperature of survey is equal to setting value, heating tape stops heating, when the temperature of temperature controller detection is higher than setting value, heating tape not work
Make, the heat in heating box is diffused into the external world by unencapsulated optic fibre hole, and the course of work in this way maintains the temperature in box
Degree is in constant state, to guarantee the optical signal that xenon lamp 5 issues and the measuring signal that fiber spectrometer 7 receives not because of temperature
There is very big fluctuation in the acute variation of degree, causes the fluctuation and drift of measurement concentration, influences the measurement precision of monitoring system.
Xenon lamp 5 and fiber spectrometer 7 are placed in 4 device of heating box that one sets temperature, by temperature control, are reduced
Influence of the ambient temperature to measuring signal improves the measurement precision of monitoring system, enhances the anti-interference energy of monitoring system
Power.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of temperature control device of ultraviolet difference monitoring system, it is characterised in that: the temperature control dress of the ultraviolet difference monitoring system
It sets including heating box, optical fiber, xenon lamp, fiber spectrometer, power supply and gas chamber, the xenon lamp, fiber spectrometer and power supply electricity
Source is sequentially arranged in the heating box, and the light output end of the xenon lamp connects one end of the gas chamber, the gas chamber by optical fiber
The other end light input end of the fiber spectrometer is connected by optical fiber, the output end of the power supply is electrically connected
The feeder ear of the xenon lamp and the feeder ear of fiber spectrometer.
2. the temperature control device of ultraviolet difference according to claim 1 monitoring system, which is characterized in that the heating box includes
Shell, thermal insulation layer, heating tape and temperature controller, the thermal insulation layer and heating tape are respectively arranged in the shell, and the thermal insulation layer is set
Between the shell and the heating tape, the control terminal of the heating tape connects the input terminal of the temperature controller, the temperature control
The input terminal of device connects the output end of the power supply.
3. the temperature control device of ultraviolet difference monitoring system according to claim 2, which is characterized in that the gas chamber includes pipe
Body, the first lens, the first fused silica glass, the second fused silica glass and the second lens, one end of the tube body are set respectively from outside to inside
There are the first lens and the first fused silica glass, the other end of the tube body is respectively equipped with the second lens and the second quartzy mirror from outside to inside
Piece, first lens, the first fused silica glass, the second fused silica glass and the second lens are successively parallel in the tube body.
4. the temperature control device of ultraviolet difference monitoring system according to claim 3, which is characterized in that one end of the tube body
Side wall is equipped with gas inlet pipe, and the other end side wall of the tube body is equipped with gas outlet tube, the gas inlet pipe and gas
Body outlet is parallel in the same side plane of the tube body.
5. the temperature control device of ultraviolet difference monitoring system according to claim 4, which is characterized in that the temperature controller uses
Be to keep off temperature controller more.
6. the temperature control device of ultraviolet difference monitoring system according to claim 5, which is characterized in that the xenon lamp, optical fiber
Spectrometer and power supply pass through fixing chuck plate in the heating box, and the fixing chuck plate is connected by screw to described add
Hot box.
7. the temperature control device of ultraviolet difference monitoring system according to claim 5, which is characterized in that the four of the heating box
A Angle Position is respectively equipped with a fixed angle plate, and the fixed angle plate is equipped with screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821620162.5U CN209148521U (en) | 2018-09-30 | 2018-09-30 | A kind of temperature control device of ultraviolet difference monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821620162.5U CN209148521U (en) | 2018-09-30 | 2018-09-30 | A kind of temperature control device of ultraviolet difference monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148521U true CN209148521U (en) | 2019-07-23 |
Family
ID=67268731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821620162.5U Expired - Fee Related CN209148521U (en) | 2018-09-30 | 2018-09-30 | A kind of temperature control device of ultraviolet difference monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148521U (en) |
-
2018
- 2018-09-30 CN CN201821620162.5U patent/CN209148521U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190723 Termination date: 20210930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |