CN106197664A - Optical spectroscopic device and control method thereof - Google Patents
Optical spectroscopic device and control method thereof Download PDFInfo
- Publication number
- CN106197664A CN106197664A CN201610531405.7A CN201610531405A CN106197664A CN 106197664 A CN106197664 A CN 106197664A CN 201610531405 A CN201610531405 A CN 201610531405A CN 106197664 A CN106197664 A CN 106197664A
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- China
- Prior art keywords
- grating
- bearing
- spectroscopic device
- slit
- optical spectroscopic
- Prior art date
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- 230000003287 optical effect Effects 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001658 differential optical absorption spectrophotometry Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0256—Compact construction
- G01J3/0259—Monolithic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/04—Slit arrangements slit adjustment
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The invention discloses a kind of optical spectroscopic device and control method thereof, optical spectroscopic device includes slit, grating, detector and base；Farther including: the first bearing is L-shaped, and be fixed on described base, described slit and fibre-optical splice are fixed on described first bearing；Second bearing is arranged on from the light path of described slit emergent light, and is fixed on described base by fixing screw；The profile of the horizontal cross-section on the top of described second bearing is in " [" type, described grating and overcoat thereof are stuck in described " in [" type structure；Described " have on the relative both wings of [" type structure to mark closely and prop up described grating, have regulation screw and prop up described grating at the differing heights on the connecting portion of described relative both wings；Three abutments is L-shaped, is arranged on the light splitting optical path of described grating, and is fixed on described base.The present invention has the advantages such as high-resolution, high sensitivity, ultraviolet response be good.
Description
Technical field
The present invention relates to optical detection, particularly relate to optical spectroscopic device and control method thereof.
Background technology
Along with the discharge of the acceleration of China's process of industrialization, harmful gas and flue dust causes serious dirt to surrounding air
Dye, human health, surrounding air gaseous contaminant (SO in air pollution serious threat2、NO2、O3, CO) monitoring the most very urgent.
Traditional flue gas analysis ultraviolet difference absorption spectrum (DOAS) system can detect SO simultaneously2、NO2、O3Spy is had Deng at ultraviolet band
Levy the gas of absorption spectra, for the ultraviolet light from the most respectively different absorption bands, generally use light-dividing device light splitting, but often
The resolution of light-dividing device of rule, sensitivity deficiency, reduce analysis precision.
Summary of the invention
In order to solve the deficiencies in the prior art, the invention provides a kind of high-resolution, high sensitivity, ultraviolet waves
The optical spectroscopic device that section has responded.
The goal of the invention of the present invention is achieved by the following technical programs:
A kind of optical spectroscopic device, described optical spectroscopic device includes slit, grating, detector and base；Described optics
Light-dividing device farther includes:
First bearing, described first bearing is L-shaped, and is fixed on described base, and described slit and fibre-optical splice are solid
It is scheduled on described first bearing；
Second bearing, described second bearing is arranged on from the light path of described slit emergent light, and solid by fixing screw
It is scheduled on described base；The profile of the horizontal cross-section on the top of described second bearing is in " [" type, described grating and overcoat thereof are stuck in
Described " in [" type structure；Described " have on the relative both wings of [" type structure to mark closely and prop up described grating, described relative two
There is at differing heights on the connecting portion of the wing regulation screw and prop up described grating；
Three abutments, described three abutments is L-shaped, is arranged on the light splitting optical path of described grating, and is fixed on described
On base.
According to above-mentioned optical spectroscopic device, it is preferable that the part hollow out facing described both wings of described connecting portion.
According to above-mentioned optical spectroscopic device, alternatively, described fibre-optical splice is fixed on described first bearing by flange
On, slit trim ring props up in described slit fixing lower slit window, and described slit window and described flange are respectively at described bearing
Both sides.
According to above-mentioned optical spectroscopic device, alternatively, the light path of described detector upstream arranges transparent window film.
According to above-mentioned optical spectroscopic device, it is preferable that described detector is parallel to described base plane and arranges.
According to above-mentioned optical spectroscopic device, it is preferable that be suitable on described second bearing that described fixing screw passes is logical
The length in hole is more than the external diameter of described fixing screw.
According to above-mentioned optical spectroscopic device, it is preferable that from the direct of travel of described slit emergent light, described smooth grid voltage
The internal diameter of circle becomes larger.
According to above-mentioned optical spectroscopic device, alternatively, described detector and process circuit thereof are fixed by screws in institute
State on three abutments.
The present invention also aims to provide the control method of above-mentioned optical spectroscopic device, described control method is:
Regulate described grating opposing detector, the distance of slit by described fixing screw, adjusted by described regulation screw
The angle of inclination of whole described grating respect thereto plane, and mark closely fixing described grating described in use so that go out from described slit
The light penetrated projects on described grating, and the most separate light projects on described detector.
According to above-mentioned control method, alternatively, the described detector position relative to three abutments is regulated.
Compared with prior art, the method have the advantages that
1. concave grating energy loss is less so that enter detector energy sufficiently strong；
2. compact conformation, light path is simple, and not through superrefraction, light is directly carried out light splitting by grating；
3. add a transparent window film (such as quartz glass) detector is protected, have between detector and protection window
A certain distance, effectively prevents scattered light from entering detector；
4. position and the angular adjustment of grating are convenient, and detector can also be finely adjusted.
Accompanying drawing explanation
Referring to the drawings, the disclosure will be easier to understand.Skilled addressee readily understands that: this
A little accompanying drawings are used only for illustrating technical scheme, and are not intended to be construed as limiting protection scope of the present invention.
In figure:
Fig. 1 is the structure diagram of the optical spectroscopic device of the embodiment of the present invention；
Fig. 2 is another structure diagram of the optical spectroscopic device of the embodiment of the present invention.
Detailed description of the invention
How Fig. 1-2 and the optional embodiment following description describing the present invention are implemented with teaching those skilled in the art
With the reproduction present invention.In order to instruct technical solution of the present invention, simplify or eliminated some conventional aspects.Those skilled in the art
Should be appreciated that be derived from these embodiments modification or replace will within the scope of the invention.Those skilled in the art should understand that
Following characteristics can combine to be formed multiple modification of the present invention in every way.Thus, the invention is not limited in following can
Select embodiment, and only limited by claim and their equivalent.
Embodiment 1:
Fig. 1,2 structure diagrams of a kind of optical spectroscopic device schematically illustrating the embodiment of the present invention, such as Fig. 1 institute
Showing, described optical spectroscopic device includes:
Base 5, described susceptor surface is smooth, and has through hole；
First bearing 1, described first bearing is L-shaped, and is fixed on described by the fixed component such as alignment pin or screw
On base, described slit and fibre-optical splice are fixed on described first bearing；Described fibre-optical splice is fixed on described by flange
On first bearing, slit trim ring props up in described slit fixing lower slit window, and described slit window is respectively at described flange
The both sides of described bearing；From the direct of travel of described slit emergent light, the internal diameter of described grating trim ring becomes larger, described company
Connect the part hollow out facing described both wings in portion；
Second bearing 2, described second bearing is arranged on from the light path of described slit emergent light, and by fixing screw 25
It is fixed on described base；The profile of the horizontal cross-section on the top of described second bearing is in " [" type, described grating 3 and overcoat thereof
31 be stuck in described " in [" type structure；Described " have on the relative both wings of [" type structure and mark closely 24 and prop up described grating, described
There is at differing heights on the connecting portion 21 of relative both wings 22,23 regulation screw 26 and prop up described grating；Described second
The length external diameter more than described fixing screw of the through hole that described fixing screw passes is suitable to so that the second bearing is the end of relative on seat
Seat is mobile, namely have adjusted the distance of grating opposing slit, detector.
Three abutments 4, described three abutments is L-shaped, is arranged on the light splitting optical path of described grating, and is fixed on described
On base, there is the through hole being parallel to base.Arranging transparent window film in the light path of described detector upstream, described detector is parallel
Arranging in described base plane, described detector and process circuit thereof are fixed by screws on described three abutments.By grating
The light separated is received by a detector after passing transparent window film, through hole and is converted to the signal of telecommunication.
The control method of above-mentioned optical spectroscopic device, described control method is:
Regulate described grating opposing detector, the distance of slit by described fixing screw, adjusted by described regulation screw
The angle of inclination of whole described grating respect thereto plane, and use mark closely fixing described grating, by described three abutments
Screw regulates the described detector position relative to three abutments so that be projected directly at described grating from the light of described slit outgoing
On, the most separate light is projected directly on described detector.
Embodiment 2:
According to embodiments of the present invention 1 optical spectroscopic device and control method application examples in continuous flue gas monitoring.
As shown in Figure 1, 2, in this application examples, grating uses concave grating, four on the relative both wings of the second bearing
Mark closely 24 to be fixed by described concave grating；Two regulation screws are arranged on the various location up and down of connecting portion, and prop up described
Diverse location on grating above-below direction；First bearing and three abutments are fixed on base by alignment pin；Use on base
In fixing the length of through hole of the second bearing more than the external diameter of fixing screw so that fixing screw moves in through hole and fixes the
Two bearings, thus regulate the second bearing i.e. distance of grating opposing slit, detector；The material of transparent window film uses quartz；Institute
State the first bearing, the standing part (facing the part of described base) of three abutments faces toward described second bearing；Described connecting portion
Part 27 hollow out of mid portion of the vertical direction facing described both wings；Linear array detector is with being parallel to base and circuit board
Being arranged on described three abutments by four screws, these four screws can finely tune the position of detector respect thereto.
The control method of above-mentioned optical spectroscopic device is:
Mobile second bearing, and the second bearing is fixed on base, by described regulation by described fixing screw 25
Screw 26 adjusts the angle of inclination of described grating respect thereto plane, and uses four 24 and mark closely fixing described grating, by institute
State the screw on three abutments and regulate the described detector position relative to three abutments so that be direct from the light of described slit outgoing
Projecting on described grating, the most separate light is projected directly on described detector.
Embodiment 3:
According to embodiments of the present invention 1 optical spectroscopic device and control method application examples in continuous flue gas monitoring.
In this application examples, grating uses concave grating, is fixed on the relative both wings of the second bearing two and marks closely edge
Being radially arranged of described concave grating；Two regulation screws are arranged on the various location up and down of connecting portion, and prop up described
Diverse location on grating above-below direction, contact point is respectively at the both sides up and down of the line that said two is marked closely so that regulation
During regulation screw, described grating can rotate with two lines marked closely for axis, namely the angle of grating respect thereto becomes
Change；First bearing and three abutments are fixed on base by alignment pin；The through hole for fixing the second bearing on base
Length is more than the external diameter of fixing screw so that fixing screw moves and fix the second bearing in through hole, thus regulates second
The seat i.e. distance of grating opposing slit, detector；The material of transparent window film uses quartz；Described first bearing, three abutments
Standing part (facing the part of described base) faces toward described second bearing；The vertical side facing described both wings of described connecting portion
To the part hollow out of mid portion；Linear array detector is with being parallel to base and circuit board is arranged on described the by four screws
On three abutments, these four screws can finely tune the position of detector respect thereto.
Claims (10)
1. an optical spectroscopic device, described optical spectroscopic device includes slit, grating, detector and base；It is characterized in that:
Described optical spectroscopic device farther includes:
First bearing, described first bearing is L-shaped, and is fixed on described base, and described slit and fibre-optical splice are fixed on
On described first bearing；
Second bearing, described second bearing is arranged on from the light path of described slit emergent light, and is fixed on by fixing screw
On described base；The profile of the horizontal cross-section on the top of described second bearing is in " [" type, described grating and overcoat thereof are stuck in described
" in [" type structure；Described " have on the relative both wings of [" type structure to mark closely and prop up described grating, described relative both wings
There is at differing heights on connecting portion regulation screw and prop up described grating；
Three abutments, described three abutments is L-shaped, is arranged on the light splitting optical path of described grating, and is fixed on described base
On.
Optical spectroscopic device the most according to claim 1, it is characterised in that: the portion facing described both wings of described connecting portion
Divide hollow out.
Optical spectroscopic device the most according to claim 1, it is characterised in that: described fibre-optical splice is fixed on institute by flange
Stating on the first bearing, slit trim ring props up in described slit fixing lower slit window, and described slit window is located respectively with described flange
Both sides in described bearing.
Optical spectroscopic device the most according to claim 1, it is characterised in that: arrange in the light path of described detector upstream
Bright window.
Optical spectroscopic device the most according to claim 1, it is characterised in that: described detector is parallel to described base plane
Arrange.
Optical spectroscopic device the most according to claim 1, it is characterised in that: be suitable to described fixing spiral shell on described second bearing
Follow closely through the length of through hole more than the external diameter of described fixing screw.
Optical spectroscopic device the most according to claim 1, it is characterised in that: from the direct of travel of described slit emergent light
On, the internal diameter of described grating trim ring becomes larger.
Optical spectroscopic device the most according to claim 1, it is characterised in that: described detector and process circuit thereof pass through spiral shell
Nail is fixed on described three abutments.
9., according to the control method of the arbitrary described optical spectroscopic device of claim 1-7, described control method is:
Regulate described grating opposing detector, the distance of slit by described fixing screw, adjust institute by described regulation screw
State the angle of inclination of grating respect thereto plane, and fixing described grating is marked closely in use so that throw from the light of described slit outgoing
Being mapped on described grating, the most separate light projects on described detector.
Control method the most according to claim 9, it is characterised in that: regulate the described detector position relative to three abutments
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531405.7A CN106197664A (en) | 2016-06-30 | 2016-06-30 | Optical spectroscopic device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610531405.7A CN106197664A (en) | 2016-06-30 | 2016-06-30 | Optical spectroscopic device and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106197664A true CN106197664A (en) | 2016-12-07 |
Family
ID=57472707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610531405.7A Pending CN106197664A (en) | 2016-06-30 | 2016-06-30 | Optical spectroscopic device and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106197664A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414084A (en) * | 2017-02-10 | 2018-08-17 | 北京金泰祁氏光电科技有限公司 | Regulating device and spectrometer |
| CN109682471A (en) * | 2019-01-25 | 2019-04-26 | 奥谱天成(厦门)科技有限公司 | A kind of high-precision various dimensions spectrometer detectors adjustment structure |
| CN113188519A (en) * | 2021-04-29 | 2021-07-30 | 孙洪茂 | Periscopic detection equipment and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6031608A (en) * | 1998-09-03 | 2000-02-29 | Foss Nirsystems, Inc. | Spectroscopic instrument with offset grating to improve focus |
| CN2420630Y (en) * | 1999-11-09 | 2001-02-21 | 中国科学院安徽光学精密机械研究所 | Multi-way spectrum measurer |
| CN1712938A (en) * | 2004-06-22 | 2005-12-28 | 曹美为 | Compact infrared spectrometer, and methods and systems for manufacture and assembly of components used in same |
| CN203232192U (en) * | 2013-05-10 | 2013-10-09 | 尤尼柯（上海）仪器有限公司 | Adjustable reflector base |
| JP2014026013A (en) * | 2012-07-25 | 2014-02-06 | Hitachi High-Technologies Corp | Diffraction grating holder, diffraction grating evaluation device, and measuring device |
| CN204287571U (en) * | 2014-12-17 | 2015-04-22 | 高利通科技（深圳）有限公司 | A kind of spectrometer being convenient to debug |
| CN205748635U (en) * | 2016-06-30 | 2016-11-30 | 杭州泽天科技有限公司 | Optical spectroscopic device |
-
2016
- 2016-06-30 CN CN201610531405.7A patent/CN106197664A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6031608A (en) * | 1998-09-03 | 2000-02-29 | Foss Nirsystems, Inc. | Spectroscopic instrument with offset grating to improve focus |
| CN2420630Y (en) * | 1999-11-09 | 2001-02-21 | 中国科学院安徽光学精密机械研究所 | Multi-way spectrum measurer |
| CN1712938A (en) * | 2004-06-22 | 2005-12-28 | 曹美为 | Compact infrared spectrometer, and methods and systems for manufacture and assembly of components used in same |
| JP2014026013A (en) * | 2012-07-25 | 2014-02-06 | Hitachi High-Technologies Corp | Diffraction grating holder, diffraction grating evaluation device, and measuring device |
| CN203232192U (en) * | 2013-05-10 | 2013-10-09 | 尤尼柯（上海）仪器有限公司 | Adjustable reflector base |
| CN204287571U (en) * | 2014-12-17 | 2015-04-22 | 高利通科技（深圳）有限公司 | A kind of spectrometer being convenient to debug |
| CN205748635U (en) * | 2016-06-30 | 2016-11-30 | 杭州泽天科技有限公司 | Optical spectroscopic device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414084A (en) * | 2017-02-10 | 2018-08-17 | 北京金泰祁氏光电科技有限公司 | Regulating device and spectrometer |
| CN109682471A (en) * | 2019-01-25 | 2019-04-26 | 奥谱天成(厦门)科技有限公司 | A kind of high-precision various dimensions spectrometer detectors adjustment structure |
| CN109682471B (en) * | 2019-01-25 | 2024-06-11 | 奥谱天成(厦门)科技有限公司 | High-precision multidimensional spectrometer detector adjusting structure |
| CN113188519A (en) * | 2021-04-29 | 2021-07-30 | 孙洪茂 | Periscopic detection equipment and method |
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