CN105334175A - Ultraviolet spectrum analyzer and method for determining pollution components in ambient air - Google Patents
Ultraviolet spectrum analyzer and method for determining pollution components in ambient air Download PDFInfo
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- CN105334175A CN105334175A CN201510772110.4A CN201510772110A CN105334175A CN 105334175 A CN105334175 A CN 105334175A CN 201510772110 A CN201510772110 A CN 201510772110A CN 105334175 A CN105334175 A CN 105334175A
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Abstract
The invention discloses an ultraviolet spectrum analyzer and a method for determining pollution components in ambient air and belongs to the technical field of environmental monitoring. The ultraviolet spectrum analyzer consists of a transmitting-receiving all-in-one machine, a corner reflector and a workstation, wherein a telescope type laser range finder is fixedly installed the side face of the transmitting-receiving all-in-one machine, and the optical axis of the telescope type laser range finder is parallel to the optical axis of the transmitting-receiving all-in-one machine. The telescope type laser range finder parallel to the optical axis of emitted light is installed on the transmitting-receiving all-in-one machine, so that the transmitting-receiving all-in-one machine and the corner reflector are quickly aligned, the step of collimation adjustment is omitted, and the debugging time is saved. In addition, forgetting, manual mistakes and other errors in the entering process are avoided and the measurement level is improved by transmitting the measurement data of the telescope type laser range finder to the workstation through a signal line.
Description
Technical field
The invention belongs to environmental monitoring technology field, be specifically related to the method for pollution components in a kind of ultraviolet spectrum analyzer and mensuration surrounding air thereof.
Background technology
The arene such as foul gas and the benzene,toluene,xylene materials such as the ammonia existed in surrounding air, front three ammonia, sulfuretted hydrogen, methyl mercaptan, dimethyl sulfide, methyl disulfide, carbon disulphide, styrene, at (185-310) nm ultraviolet region, there is strong Absorption Characteristics spectrum, utilize this feature can be measured by spectral principles such as ultraviolet differences.Concrete mode is the light I sent from stabilized light source
o, after the light path of certain distance L, collect light convergence by lens and enter spectrometer.Due to absorption, the molecular scattering of the gas molecule along light path, result in receiving light power and weaken.At light by after the light path of distance L, reception light I can be calculated by Lambert-Beer law, thus Real-time Obtaining one segment distance (such as (10-100) m) on the mean concentration of pollution factor.This type of comparatively ripe instrument has been had to emerge and obtain certain application at present, usual employing launch and accept all-in-one and independently corner reflector with the use of, launch and accept all-in-one emitting ultraviolet light is on angle of reflection device, by corner reflector by ultraviolet light again reflected in parallel return launch and accept all-in-one, undertaken receiving and measuring by the receiving system of spectrometer.But in real work, because the spacing of launch and accept all-in-one and corner reflector is generally tens of rice, cause the beam path alignment process of adjustment all-in-one and corner reflector consuming time longer,, need by the optical path length between external means measurement all-in-one and corner reflector meanwhile, and manually by distance values input service station, when degree of absorption is certain, optical path length and calculating concentration inversely, due to leak defeated, by mistake the defeated light path data that make are inaccurate, affect measurement result.
The existing research utilizing the principle such as ultraviolet difference to measure environmental pollution components at present focuses mostly on before sampling in disposal system, measuring system, calibration process or data handling procedure.As provided the method utilizing infrared laser and Differential UV spectroscopy remote measurement motor-vehicle tail-gas in CN03112747 " real time remote determining multiple pollutants in vehicle exhaust method and apparatus ", but collimation adjustment process between undeclared corner reflector and main frame and range observation mode.
Summary of the invention
For the above-mentioned problems in the prior art, the present invention proposes the method for pollution components in a kind of ultraviolet spectrum analyzer and mensuration surrounding air thereof, reasonable in design, overcome the deficiencies in the prior art, convenient and swift, there is good effect.
To achieve these goals, the present invention adopts following technical scheme:
A kind of ultraviolet spectrum analyzer, be made up of launch and accept all-in-one, corner reflector and workstation, the side of described launch and accept all-in-one is installed with telescope-type laser range finder, and the optical axis of described telescope-type laser range finder is parallel with the optical axis of launch and accept all-in-one.
Preferably, described telescope-type laser range finder data measured by line transmission to workstation.
In addition, the present invention also mentions a kind of method measuring pollution components in surrounding air, and the method adopts above-mentioned a kind of ultraviolet spectrum analyzer, carries out in accordance with the following steps:
Step 1: lay launch and accept all-in-one, switch on power, start also preheating, laying angle reverberator on selected position;
Step 2: by launch and accept all-in-one rough alignment corner reflector direction, by telescope-type laser range finder sighting angle reverberator, regulate luffing angle and the level angle of launch and accept all-in-one, the hot spot that telescope-type laser range finder is launched is radiated on corner reflector, the adjustment knob of locking launch and accept all-in-one makes it fixing, obtains distance signal by the measurement of telescope-type laser range finder;
Step 3: the reading data key pressing telescope-type laser range finder, the distance signal transmission recorded by telescope-type laser range finder in step 2 is in workstation, and the distance signal value of acquisition is multiplied by 2 by workstation to be introduced in quantitatively calculating as light path numerical value.
The Advantageous Effects that the present invention brings:
The present invention proposes the method for pollution components in a kind of ultraviolet spectrum analyzer and mensuration surrounding air thereof, compared with prior art, the present invention by installing the telescope-type laser range finder (laser rangefinder telescope) parallel with radiative optical axis on launch and accept all-in-one, can by laser rangefinder telescope search and orientation angle reverberator, and the aiming point of observation telescope formula laser range finder makes it to be positioned on corner reflector, thus make launch and accept all-in-one and corner reflector rapid alignment, decrease the step of collimation adjustment, save debug time, simultaneously by signal wire by the data transfer of telescope-type laser range finder in the workstation of ultraviolet spectrum analyzer, and using its 2 times values as light path value, participate in quantitatively calculating, save the step of manual measurement distance, to avoid in Input Process contingent forgets, the mistakes such as hand mistake, improve the automatization level of measurement.
This ultraviolet spectrum analyzer is applied to foul gas and arene substance-measuring in surrounding air, can realizes carrying out the real time measure to the gas concentration in certain distance, and have collimation adjustment fast, the advantage of light path value automatic acquisition.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of ultraviolet spectrum analyzer of the present invention.
Fig. 2 is a kind of FB(flow block) measuring the method for pollution components in surrounding air of the present invention.
Wherein, 1-launch and accept all-in-one; 2-corner reflector; 3-telescope-type laser range finder.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:
Embodiment 1:
As shown in Figure 1, a kind of ultraviolet spectrum analyzer, can carry out fast collimating between launch and accept all-in-one 1 and corner reflector 2 and adjust and automatically measure light path, be made up of launch and accept all-in-one 1, corner reflector 2 and workstation, the side of described launch and accept all-in-one 1 is installed with telescope-type laser range finder 3, the optical axis of described telescope-type laser range finder 3 is parallel with the optical axis of launch and accept all-in-one 1, and the light beam that telescope-type laser range finder 3 is launched is parallel with the light beam that launch and accept all-in-one 1 is launched.Described telescope-type laser range finder 3 data measured by line transmission to workstation.
Embodiment 2:
On the basis of above-described embodiment, the invention provides a kind of method (as shown in Figure 2) measuring pollution components in surrounding air, for the mensuration of pollution components in surrounding air, wherein, carry out in accordance with the following steps:
Step 1: lay launch and accept all-in-one, switch on power, start also preheating, laying angle reverberator on selected position;
Step 2: by launch and accept all-in-one rough alignment corner reflector direction, by telescope-type laser range finder sighting angle reverberator, regulate luffing angle and the level angle of launch and accept all-in-one, the hot spot that telescope-type laser range finder is launched is radiated on corner reflector, the adjustment knob of locking launch and accept all-in-one makes it fixing, obtains distance signal by the measurement of telescope-type laser range finder;
Step 3: the reading data key pressing telescope-type laser range finder, the distance signal transmission recorded by telescope-type laser range finder in step 2 is in workstation, and the distance signal value of acquisition is multiplied by 2 by workstation to be introduced in quantitatively calculating as light path numerical value.
A kind of ultraviolet spectrum analyzer of the present invention and measure the method for pollution components in surrounding air, by installing the telescope-type laser range finder parallel with radiative optical axis on launch and accept all-in-one, can by laser rangefinder telescope search and orientation angle reverberator, and the aiming point of observation telescope formula laser range finder makes it to be positioned on corner reflector, thus make launch and accept all-in-one and corner reflector rapid alignment, decrease the step of collimation adjustment, save debug time, simultaneously by signal wire by the data transfer of telescope-type laser range finder to the workstation of ultraviolet spectrum analyzer, and using its 2 times values as light path value, participate in quantitatively calculating, decrease the step of manual measurement distance, avoid and contingently in Input Process to forget, the mistakes such as hand mistake, improve the automatization level of measurement.
This ultraviolet spectrum analyzer is applied to foul gas and arene substance-measuring in surrounding air, can realizes carrying out the real time measure to the gas concentration in certain distance, and have collimation adjustment fast, the advantage of light path value automatic acquisition.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited in above-mentioned citing, and the change that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (3)
1. a ultraviolet spectrum analyzer, be made up of launch and accept all-in-one, corner reflector and workstation, it is characterized in that: the side of described launch and accept all-in-one is installed with telescope-type laser range finder, the optical axis of described telescope-type laser range finder is parallel with the optical axis of launch and accept all-in-one.
2. ultraviolet spectrum analyzer according to claim 1, is characterized in that: the distance signal that described telescope-type laser range finder records by line transmission in workstation.
3. measure a method for pollution components in surrounding air, it is characterized in that: adopt a kind of ultraviolet spectrum analyzer as claimed in claim 1, carry out in accordance with the following steps:
Step 1: lay launch and accept all-in-one, switch on power, start also preheating, laying angle reverberator on selected position;
Step 2: by launch and accept all-in-one rough alignment corner reflector direction, by telescope-type laser range finder sighting angle reverberator, regulate luffing angle and the level angle of launch and accept all-in-one, the hot spot that telescope-type laser range finder is launched is radiated on corner reflector, the adjustment knob of locking launch and accept all-in-one makes it fixing, obtains distance signal by the measurement of telescope-type laser range finder;
Step 3: the reading data key pressing telescope-type laser range finder, the distance signal transmission recorded by telescope-type laser range finder in step 2 is in workstation, and the distance signal value of acquisition is multiplied by 2 by workstation to be introduced in quantitatively calculating as light path numerical value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510772110.4A CN105334175A (en) | 2015-11-12 | 2015-11-12 | Ultraviolet spectrum analyzer and method for determining pollution components in ambient air |
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| CN201510772110.4A CN105334175A (en) | 2015-11-12 | 2015-11-12 | Ultraviolet spectrum analyzer and method for determining pollution components in ambient air |
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| CN105334175A true CN105334175A (en) | 2016-02-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791039A (en) * | 2020-05-25 | 2021-12-14 | 中国石油化工股份有限公司 | Unmanned aerial vehicle-mounted detection method and system for hazardous chemical substance leakage |
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| CN101349641A (en) * | 2008-08-28 | 2009-01-21 | 南京大学 | Method and apparatus for dynamically monitoring ultraviolet photoelectricity of organic pollutant |
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| CN103940745A (en) * | 2014-05-05 | 2014-07-23 | 北京雪迪龙科技股份有限公司 | Air quality detecting device and detection method |
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2015
- 2015-11-12 CN CN201510772110.4A patent/CN105334175A/en active Pending
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| JP2000266599A (en) * | 1999-03-05 | 2000-09-29 | Heraeus Noblelight Gmbh | Portable small-sized spectrum sonde |
| CN1439880A (en) * | 2003-01-21 | 2003-09-03 | 中国科学院安徽光学精密机械研究所 | Method and apparatus for real time remote determining multiple pollutants in vehicle exhaust |
| CN101349641A (en) * | 2008-08-28 | 2009-01-21 | 南京大学 | Method and apparatus for dynamically monitoring ultraviolet photoelectricity of organic pollutant |
| CN102252988A (en) * | 2011-04-19 | 2011-11-23 | 珠海市中科信息技术开发有限公司 | On-line monitoring method for motor vehicle tail gas monitoring system |
| CN103852435A (en) * | 2014-03-27 | 2014-06-11 | 中国科学院合肥物质科学研究院 | Differential absorption laser radar ozone space-time distribution day and night automatic detection device based on double Raman tube light source |
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| CN113791039A (en) * | 2020-05-25 | 2021-12-14 | 中国石油化工股份有限公司 | Unmanned aerial vehicle-mounted detection method and system for hazardous chemical substance leakage |
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