CN106841165A - The Portable Raman spectrometer of light path turnover can be made - Google Patents
The Portable Raman spectrometer of light path turnover can be made Download PDFInfo
- Publication number
- CN106841165A CN106841165A CN201710183873.4A CN201710183873A CN106841165A CN 106841165 A CN106841165 A CN 106841165A CN 201710183873 A CN201710183873 A CN 201710183873A CN 106841165 A CN106841165 A CN 106841165A
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- light path
- square small
- reflection lens
- laser
- raman spectrometer
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- 238000001069 Raman spectroscopy Methods 0.000 title claims abstract description 32
- 230000007306 turnover Effects 0.000 title claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000001237 Raman spectrum Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004624 confocal microscopy Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/65—Raman scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a kind of Portable Raman spectrometer that can make light path turnover,It includes a shell body,The laser generator being placed in shell body,Optical lens unit,Spectroscopic detection unit and detector,Optical lens unit includes a rectangular box for accommodating each element of fixation,And the infrared anti-reflection lens fixedly mounted with rectangular box,Light path turning mechanism is further fitted between rectangular box and infrared anti-reflection lens,The light path turning mechanism includes a square small box being fixedly connected with the rectangular box,The one side that square small box is fixedly connected with the rectangular box directly offers the through hole passed through for laser,One speculum is installed inside square small box,Speculum is driven by extending the pull bar outside square small box,Simultaneously,The infrared anti-reflection lens described in one are respectively installed with two adjacent sides of square small box,Exported from different infrared anti-reflection lens by means of the laser that speculum will spread out of from through hole.
Description
Technical field
The present invention relates to a kind of Raman spectroscopy, more specifically to a kind of portable drawing that can make light path turnover
Graceful spectrometer.
Background technology
Raman spectrum is a kind of spectral technique of important research material microstructure, currently with Raman scattering techniques pair
The equipment that microscopic species are studied mainly has the of a relatively high Raman spectrometer for being combined with confocal microscopy device of sensitivity, but
It is that current Raman spectrometer generally existing is bulky, light path is complicated, it is difficult to accomplish on the basis of detection sensitivity is taken into account
Compact conformation, the problem for being easy to carry about with one, operating.In order to solve the problems, such as to be easy to carry, operate, the creator of the application is in China
A kind of Portable Raman spectrometer is disclosed in patent CN201520382348.1, as depicted in figs. 1 and 2, disclosed in the patent
Portable Raman spectrometer by laser generator 1, laser mirror 2, optical lens unit 3, spectroscopic detection unit and inspection
Survey device (CCD) 5 composition, according to the particularity of optic path, by laser generator 1, laser mirror 2, optical lens unit 3,
Spectroscopic detection unit and detector (CCD) 5 are mutually combined on a pentagonal prism shape support frame with special construction, together
Raman spectrometer is constituted, treating detection material carries out laser irradiation, detects the Raman signal of material to be detected.
But the laser that the Portable Raman spectrometer in above-mentioned patent sends from optical lens unit 3 can only be past previous
Direction is irradiated, and causes determinand to can be only put at the front of spectrometer so that the use scope of Portable Raman spectrometer is limited.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of Portable Raman optical spectrum that can make light path turnover
Instrument so that the laser sent from optical lens unit can be transferred according to different needs, to expand the use model of spectrometer
Enclose, and using more convenient.
The Portable Raman spectrometer that light path turnover can be made in the present invention includes a shell body, is placed in the shell body
Laser generator, optical lens unit, spectroscopic detection unit and detector, the optical lens unit includes one to be used for
The rectangular box of each element of fixation is accommodated, is installed with the one end side of the rectangular box described for deriving
The infrared anti-reflection lens of the laser that laser generator sends, in end side surface and the infrared anti-reflection lens of the rectangular box
Between light path turning mechanism is installed, the light path turning mechanism include one be fixedly connected with the rectangular box it is square small
Casing, the one side that the square small box is fixedly connected with the rectangular box was directly offered for leading to that laser is passed through
Hole, is provided with a speculum inside the square small box, and the speculum is by extending the drawing outside the square small box
Bar drives, meanwhile, the infrared anti-reflection being respectively installed with two adjacent sides of the square small box described in is saturating
Mirror, is exported by means of the laser that speculum will spread out of from through hole from different infrared anti-reflection lens.
One in two infrared anti-reflection lens is set with the through hole in same straight line, another and the through hole
It is down-set in an angle of 90 degrees.
It is the down-set infrared anti-reflection lens of cooperation, being installed with one on the shell body is inserted into slide
Objective table.
A straight line is provided with outer surface of the infrared anti-reflection lens outside the square small box is stretched out with the through hole
On be provided with an installation slot.
Extend outside the shell body after the square small box fixed installation.
Square small box one on the one side for installing pull bar is easy to pull bar to be provided with boss into having.
By the setting of light path turning mechanism in the present invention, can further expand Portable Raman spectrometer and use model
Enclose.
Brief description of the drawings
Fig. 1 is the surface structure schematic diagram of existing Portable Raman spectrometer.
Fig. 2 is the internal structure schematic diagram of Portable Raman spectrometer shown in Fig. 1.
Fig. 3 is the structural representation of Portable Raman spectrometer in the present invention.
Fig. 4 is that the structure of light path turning mechanism in the present invention amplifies intention.
Specific embodiment
The specific embodiment in invention is elaborated below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, the Portable Raman spectrometer in Chinese patent CN201520382348.1 is included outside one
Housing 20, the pentagonal prism shape support frame 10 being placed in inside shell body 20, and be fixedly mounted on pentagonal prism shape support frame 10
Laser generator 1, optical lens unit 3, spectroscopic detection unit and detector 5, specific structure is：Pentagonal prism shape support frame
10 include two parallel first sides 21 and second side 22, and are clipped between first side 21 and second side 22 and hang down
Straight the first, second, third, fourth, the 5th mounting surfaces 23 connected in five head and the tail of first side 21 and second side 22,
24、25、26、27.Laser generator 1, the first mounting surface 23 are fixedly mounted wherein on the outer surface of support frame first side 21
Optical lens unit 3 is fixedly mounted on outer surface, detector the 5, the 4th is fixedly mounted on the outer surface of the second mounting surface 24 and is installed
Spectroscopic detection unit is fixedly mounted on the inner surface in face 26.3rd mounting surface 25 and the 5th mounting surface 27 are used for solid with shell body 20
Fixed connection.
The overall package of optical lens unit 3 is included installed in the appearance of rectangular box 20 in a rectangular box 28
Face is located at the laser mirror 2 of the same side of laser generator 1, and light is carried out to determinand when Portable Raman spectrometer is needed to use
During spectrum detection, using the laser for being transmitted laser generator 1 using laser mirror 2 by being opened up in the wall of optical lens unit 3
Aperture enter into inside optical lens unit 3, it is through 45 degree of corner edge optical filters 8 inside optical lens unit 3 that laser is anti-
The infrared anti-reflection lens 6 for extending the outer surface of shell body 20 are incident upon, by infrared anti-reflection lens 6 by laser direct irradiation determinand.
Determinand reflexes to infrared anti-reflection lens 6 by the Raman signal and Rayleigh scattering light that produce after laser excitation, and transmits to 45 degree
Corner edge optical filter 8, Rayleigh scattering light is filtered by 45 degree of corner edge optical filters 8, and Raman signal then filters through 45 degree of corner edges
Spectroscopic detection unit is reached after condenser lens 7, slit after piece 8, Raman light is formed by the grating beam splitting in spectroscopic detection unit
Spectrum.
Finally, during the Raman spectrum of formation reflexes to detector 5, the treatment of whole light path is completed, obtains dividing for determinand
Analysis result.
As shown in Figure 3 and Figure 4, Portable Raman spectrometer is that the spectrometer in above-mentioned patent is made improvements in the present invention,
The one end side outer surface for installing infrared anti-reflection lens 6 in rectangular box 28 first fixedly mounts a light path turning mechanism 9, then
Two infrared anti-reflection lens 6 are installed, specifically in the light path turning mechanism 9：Light path turning mechanism 9 includes one with rectangle case
The square small box 12 that body 28 is fixedly connected, six sides of square small box 12 be respectively four end to end first,
2nd, the three, the 4th 18,29,30,31, and two be located at the cavity two ends that four end to end sides surround five, the 6th
Side 32,33, wherein first side 18 are fixedly connected with rectangular box 28, and directly offer confession in the first side 18
The through hole 19 that laser is passed through, is provided with a speculum 13 in the internal cavity of square small box 12, and speculum 13 is extended by one
Pull bar 14 outside the side 32 of square small box 12 the 5th drives, and by means of the push-and-pull of pull bar 14, can be existed with mobile mirror 13
Position inside square box 12, the installation for the ease of pull bar 14 is formed with an evagination with being fixed on the 5th side 32
Boss.
It is respectively to be installed with one on the side 30 of second side 29 and the 3rd in two adjacent sides of square small box 12
Individual infrared anti-reflection lens 6, the 3rd side 30 is relative with first side 18, the infrared anti-reflection lens 6 and first on the 3rd side 30
Through hole 19 on side 18 is in a straight line, and second side 29 is perpendicular with first side 18, and vertically downward.When speculum 13 by
When pull bar 14 is pushed away inward, the laser that optical lens unit 3 sends is exported by through hole 19, by means of the reflection of speculum 13, is made
Laser changes transmission direction, i.e., exported through the infrared anti-reflection lens 6 in second side 29 after transferring vertically downward, when speculum 13
When being pulled out outward by pull bar 14, optical lens unit 3 is directly infrared from the 3rd side 30 by the laser that through hole 19 is exported
Anti-reflection lens 6 are exported.
As shown in figure 4, after square small box 12 is fixedly connected with rectangular box 28, extending the outside of shell body 20, outward
The underface that housing 20 is located at square small box 12 is provided with an objective table 16, and the objective table 16 extends the position of shell body 20
The slide 15 in insertion objective table 16 is set to be located just at the underface of the infrared anti-reflection lens 6 of installation in second side 29,
Solid determinand can be placed in slide 15 and be inserted directly into objective table 16, then push pull bar 14, laser direct irradiation is carried slope
Determinand on piece 15.
Processing sets up has an installation slot 17 on the outer surface of the infrared anti-reflection lens 6 on the 3rd side 30, profit
Nipper can be used cooperatively with the installation slot 17, can treating with variforms such as sandwiched liquid, solids using the fixture
Thing is surveyed, the detection range of Portable Raman spectrometer is further expanded.
Claims (6)
1. a kind of Portable Raman spectrometer that can make light path turnover, includes a shell body, and what is be placed in the shell body swashs
Optical generator, optical lens unit, spectroscopic detection unit and detector, the optical lens unit include one for accommodating
The rectangular box of each element of fixation, is installed with the one end side of the rectangular box for deriving the laser
The infrared anti-reflection lens of the laser that generator sends, it is characterised in that infrared with described in the end side surface of the rectangular box
Light path turning mechanism is installed between anti-reflection lens, the light path turning mechanism includes one and is fixedly connected with the rectangular box
Square small box, the one side that the square small box is fixedly connected with the rectangular box is directly offered to be worn for laser
The through hole crossed, is provided with a speculum inside the square small box, and the speculum is by extending the square small box
Outer pull bar drives, meanwhile, respectively it is installed with two adjacent sides of the square small box infrared described in one
Anti-reflection lens, are exported by means of the laser that speculum will spread out of from through hole from different infrared anti-reflection lens.
2. it is according to claim 1 to make the Portable Raman spectrometer that light path is transferred, it is characterised in that two described red
One in outer anti-reflection lens is set with the through hole in same straight line, and another is down-set in an angle of 90 degrees with the through hole.
3. it is according to claim 1 to make the Portable Raman spectrometer that light path is transferred, it is characterised in that downward to coordinate
The infrared anti-reflection lens of setting, are installed with an objective table for being inserted into slide on the shell body.
4. it is according to claim 2 to make the Portable Raman spectrometer that light path is transferred, it is characterised in that with the through hole
A straight line is provided with infrared anti-reflection lens and is provided with an installation slot on the outer surface outside the square small box is stretched out.
5. it is according to claim 1 to make the Portable Raman spectrometer that light path is transferred, it is characterised in that described square small
Extend outside the shell body after casing fixed installation.
6. it is according to claim 1 to make the Portable Raman spectrometer that light path is transferred, it is characterised in that described square small
Casing one on the one side for installing pull bar is easy to pull bar to be provided with boss into having.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183873.4A CN106841165B (en) | 2017-03-24 | 2017-03-24 | Portable Raman spectrometer capable of turning optical path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183873.4A CN106841165B (en) | 2017-03-24 | 2017-03-24 | Portable Raman spectrometer capable of turning optical path |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106841165A true CN106841165A (en) | 2017-06-13 |
| CN106841165B CN106841165B (en) | 2023-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710183873.4A Active CN106841165B (en) | 2017-03-24 | 2017-03-24 | Portable Raman spectrometer capable of turning optical path |
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| CN205750068U (en) * | 2016-05-17 | 2016-11-30 | 宁波舜宇电子有限公司 | A kind of switchable light channel structure |
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-
2017
- 2017-03-24 CN CN201710183873.4A patent/CN106841165B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0480685A (en) * | 1990-07-20 | 1992-03-13 | Matsushita Electric Ind Co Ltd | Infrared detection module |
| JPH0588257A (en) * | 1991-04-01 | 1993-04-09 | Fuji Xerox Co Ltd | Film image reader |
| CN101002700A (en) * | 2006-12-29 | 2007-07-25 | 山东省寄生虫病防治研究所 | Apparatus for distingushing China insects morphosis |
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| Publication number | Publication date |
|---|---|
| CN106841165B (en) | 2023-11-21 |
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Address after: 100081 Beijing city Haidian District sorghum Bridge Street No. 13 Applicant after: NCS TESTING TECHNOLOGY CO.,LTD. Address before: 100081 Beijing city Haidian District sorghum Bridge Street No. 13 Applicant before: NCS Testing Technology Co.,Ltd. |
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