CN108613967A - Light path switching device, for environmental protection or food or jewelry or metal Raman Systems for optical inspection - Google Patents
Light path switching device, for environmental protection or food or jewelry or metal Raman Systems for optical inspection Download PDFInfo
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- CN108613967A CN108613967A CN201810903891.XA CN201810903891A CN108613967A CN 108613967 A CN108613967 A CN 108613967A CN 201810903891 A CN201810903891 A CN 201810903891A CN 108613967 A CN108613967 A CN 108613967A
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- Prior art keywords
- path switching
- light path
- switching device
- cavity
- transparent devices
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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
Abstract
Light path switching device, it is characterised in that：Including pump（10）, storage container（50）, conveyance conduit（31）, transparent devices made of transparent material（52）, valve（F）, No. one balance air bag（41）, No. two balance air bags（42）, liquid metal（Y）；For environmental protection or the Raman Systems for optical inspection of food or jewelry or metal, it is characterised in that：With light path switching device above-mentioned.The present invention need not debug again after realizing light path switching, can find the upset condition of light source in real time soon.
Description
Technical field
The present invention relates to optical fields, and in particular to light path switching device, for environmental protection or food or jewelry or metal
Raman Systems for optical inspection.
Technical background
Raman system can pass through the raman scattering spectrum of acquisition material composition, the corresponding molecular structure letter for obtaining substance
Breath.
Current raman spectroscopy measurement is placed sample particular by Raman enhancing chip, is such as coated to be measured
Liquid, after waiting natural dryings, the front end for being put into microscopic Raman or normal Raman spectroscopy instrument measures, to obtain sample
In material composition and content.
But inventor has found that existing Raman test system is difficult to quickly verify laser light source, when Raman tests system
The laser of system suddenly when something goes wrong, the problem of can not learning light source in real time, may lead to test errors in follow-on test.
Invention content
To solve aforementioned technical problem, the present invention devises light path switching device, for environmental protection or food or jewelry or gold
The Raman Systems for optical inspection of category.
Technology contents 1, light path switching device, it is characterised in that：Including pump（10）, storage container（50）, conveyance conduit
（31）, transparent devices made of transparent material（52）, valve（F）, No. one balance air bag（41）, No. two balance air bags（42）, liquid
Metal（Y）；
Transparent devices（52）With the 1st surface plane, the 2nd surface plane, the 1st surface plane and the transparent device of transparent devices
2nd plane surface of part is parallel；
Transparent devices have cavity（53）；
The cavity of transparent devices has the 1st Cavity surface plane, the 2nd Cavity surface plane, the 1st Cavity surface plane of the cavity of transparent devices
It is parallel with the 2nd Cavity surface plane of the cavity of transparent devices；
1st surface plane of transparent devices and the 1st Cavity surface plane of the cavity of transparent devices are mutually parallel；
Storage container（50）Accommodating chamber（51）With No. one balance air bag（41）It communicates, plays the role of equilibrium air pressure；
The cavity of transparent devices（53）With No. two balance air bags（42）It communicates, plays the role of equilibrium air pressure；
Pump（10）Import and storage container（50）Accommodating chamber（51）Bottom communicate；
Pump（10）Outlet and transparent devices cavity（53）It communicates；
First by valve when needing to use transparent devices as reflective mirror（F）Cut-off, restarts pump（10）By liquid metal
（Y）It is transported to transparent devices（52）Cavity（53）It is interior, so that transparent devices is become reflective mirror；
First by valve when needing to use transparent devices as reflective mirror（F）It is open, by liquid metal（Y）In gravity
Under be flowed into storage container（50）Accommodating chamber（51）It is interior, so that transparent devices is lost filling and becomes pellucidity.
Technology contents 2, the light path switching device as described in technology contents 1, it is characterised in that：The material of transparent devices is stone
English.
Technology contents 3, the light path switching device as described in technology contents 1, it is characterised in that：Storage container（50）Making
Material is glass.
Technology contents 4, the light path switching device as described in technology contents 1, it is characterised in that：Conveyance conduit（31）Making
Material is glass.
Technology contents 5, the light path switching device as described in technology contents 1, it is characterised in that：No. one balance air bag（41）'s
Making material is rubber.
Technology contents 6, the light path switching device as described in technology contents 1, it is characterised in that：No. two balance air bags（42）'s
Making material is rubber.
Technology contents 7, the light path switching device as described in technology contents 1, it is characterised in that：Liquid metal（Y）It is mercury.
Technology contents 8, the light path switching device as described in technology contents 1, it is characterised in that：Valve（F）Using Electromagnetic Control.
For environmental protection or the Raman Systems for optical inspection of food or jewelry or metal, it is characterised in that：With light above-mentioned
Circuit switching device.
Optical system, it is characterised in that：With light path switching device above-mentioned.
Technology contents illustrate and the advantageous effect of technology contents.
The present invention it is reflective whether state switch when need not move or dismantle or rotate solid part because the present invention is real
It need not be debugged again after existing light path switching, light path can be switched fast, can be used among various optical systems.The present invention can also
For Raman spectrum detection system.
The present invention can also be used to the light of the laser in optical system being switched in detection device, realize to light source
The detection of light can be quickly switched into test mode after verifying light source.
Description of the drawings
Fig. 1 is the schematic diagram of one embodiment of the present invention, and the state of current transparent device 52 is transparent.Wherein 21 be sharp
Light device, 22 be laser beam, and 23 inject transparent devices for 22（52）Light beam, 24 for 23 project transparent devices outgoing beams.
Fig. 2 is another one state of Fig. 1 embodiments, and the state of current transparent device 52 is with albedo.Wherein 22
For laser beam, 25 the reflected beams, 98 be sample, and 99 be the objective table for carrying sample.
Fig. 3 is one embodiment of the present invention, and Fig. 3 is one Raman light spectrum testing system；No. one light path switching device
（1-1）Cavity transparent state, No. one light path switching device are not filled by liquid metal（1-2）Cavity not by liquid gold
Belong to and fills transparent state.
Fig. 4 is another one state of Fig. 3, No. one light path switching device（1-1）Cavity by liquid metal filling in anti-
Penetrate state, No. one light path switching device（1-2）Cavity by liquid metal filling be in reflective condition.
Specific embodiment
Embodiment 1, as shown in Figure 1, 2, light path switching device, it is characterised in that：Including pump（10）, storage container（50）、
Conveyance conduit（31）, transparent devices made of transparent material（52）, valve（F）, No. one balance air bag（41）, No. two balance air bags
（42）, liquid metal（Y）；
Transparent devices（52）With the 1st surface plane, the 2nd surface plane, the 1st surface plane and the transparent device of transparent devices
2nd plane surface of part is parallel；
Transparent devices have cavity（53）；
The cavity of transparent devices has the 1st Cavity surface plane, the 2nd Cavity surface plane, the 1st Cavity surface plane of the cavity of transparent devices
It is parallel with the 2nd Cavity surface plane of the cavity of transparent devices；
1st surface plane of transparent devices and the 1st Cavity surface plane of the cavity of transparent devices are mutually parallel；
Storage container（50）Accommodating chamber（51）With No. one balance air bag（41）It communicates, plays the role of equilibrium air pressure；
The cavity of transparent devices（53）With No. two balance air bags（42）It communicates, plays the role of equilibrium air pressure；
Pump（10）Import and storage container（50）Accommodating chamber（51）Bottom communicate；
Pump（10）Outlet and transparent devices cavity（53）It communicates；
First by valve when needing to use transparent devices as reflective mirror（F）Cut-off, restarts pump（10）By liquid metal
（Y）It is transported to transparent devices（52）Cavity（53）It is interior, so that transparent devices is become reflective mirror；
First by valve when needing to use transparent devices as reflective mirror（F）It is open, by liquid metal（Y）In gravity
Under be flowed into storage container（50）Accommodating chamber（51）It is interior, so that transparent devices is lost filling and becomes pellucidity.
Embodiment 2, as shown in Figure 3,4, one kind of Raman light spectrum testing system, including wherein 21 be laser（Laser）, 1-1
It is No. two light path switching device for No. one light path switching device, 1-2,90 be optical shaping device, and 91,92 is for changing light
The lens group of spot size, 93 be No. one speculum, 94 be No. two speculum, 96 be third speculum, 100 be No. four
Speculum, 95 be two-phase color mirror（The light that transmission peak wavelength is more than the light of operation wavelength, reflection wavelength is operation wavelength）, 102 be filter
Mating plate（Filter the light that wavelength is operation wavelength）, 101 convex lenses, 97 be object lens, and CCD is light collection module, and CCD is passed through for acquiring
It crosses monochromator acquisition optical signalling and is sent to computer.
As shown in figure 3, under test pattern：No. one light path switching device 1-1, No. two light path switching device 1-2 is equal
It is set to pellucidity（Filled without liquid metal in light path switching device）, laser（21）Launch laser（22）, laser 22
Pass through No. one light path switching device successively（1-1）, optical shaping device（90）, lens group（91、92）, No. one speculum
（93）, No. two speculum（94）To two-phase color mirror（95）, two-phase color mirror（95）Transmission peak wavelength is more than the veiling glare of operation wavelength
（22-2）, veiling glare（22-2）It is abandoned, two-phase color mirror（95）The test light of reflection wavelength operation wavelength（22-1）, test light（22-
1）By third speculum（96）Project sample again afterwards（98）On, test light（22-1）It is incident upon sample（98）Sample after upper
（98）Raman scattering is will produce, fingerprint light is generated（80）, fingerprint light（80）By object lens（97）Collection after, it is anti-by third number
Penetrate mirror（96）Reflection reach two-phase color mirror（95）, using No. two light path switching device（1-2）Reach No. four speculum
（100）, then pass through optical filter again（102）, then pass through convex lens again（101）Into monochromator, then rear CCD collects fingerprint
Light（80）Spectral signal be conveyed to computer, realize the Raman spectrum analysis to sample.
As shown in figure 4, under checking mode：No. one light path switching device 1-1, No. two light path switching device 1-2 is equal
It is set to reflective condition（There is liquid metal filling in light path switching device）, laser（21）Launch laser（22）, laser
（22）Pass through No. one light path switching device successively（1-1）, No. two light path switching device（1-2）, No. four speculum
（100）, optical filter（102）, convex lens（101）Into monochromator, then rear CCD collects laser（22）Spectral signal be conveyed to
Computer is realized to laser（22）Analysis, to examine laser（22）Veiling glare content, with the working condition of detection laser, even
When continuous test, the detection of No. one laser is carried out before each test, if laser goes wrong finds laser in time
The problem of.
The present embodiment can verify the state of laser in real time, be not necessarily to debugging system after switch mode, may be implemented to survey
The rapid translating of die trial formula and checking mode.
Embodiment 3, the wavelength value of the operation wavelength of embodiment 2 are 785nm.
The application range of the light path switching device of the present invention is not limited to Raman spectrum analysis system.
Claims (9)
1. light path switching device, it is characterised in that：Including pump（10）, storage container（50）, conveyance conduit（31）, transparent material system
At transparent devices（52）, valve（F）, No. one balance air bag（41）, No. two balance air bags（42）, liquid metal（Y）；
Transparent devices（52）With the 1st surface plane, the 2nd surface plane, the 1st surface plane and the transparent device of transparent devices
2nd plane surface of part is parallel；
Transparent devices have cavity（53）；
The cavity of transparent devices has the 1st Cavity surface plane, the 2nd Cavity surface plane, the 1st Cavity surface plane of the cavity of transparent devices
It is parallel with the 2nd Cavity surface plane of the cavity of transparent devices；
1st surface plane of transparent devices and the 1st Cavity surface plane of the cavity of transparent devices are mutually parallel；
Storage container（50）Accommodating chamber（51）With No. one balance air bag（41）It communicates, plays the role of equilibrium air pressure；
The cavity of transparent devices（53）With No. two balance air bags（42）It communicates, plays the role of equilibrium air pressure；
Pump（10）Import and storage container（50）Accommodating chamber（51）Bottom communicate；
Pump（10）Outlet and transparent devices cavity（53）It communicates；
First by valve when needing to use transparent devices as reflective mirror（F）Cut-off, restarts pump（10）By liquid metal
（Y）It is transported to transparent devices（52）Cavity（53）It is interior, so that transparent devices is become reflective mirror；
First by valve when needing to use transparent devices as reflective mirror（F）It is open, by liquid metal（Y）In gravity
Under be flowed into storage container（50）Accommodating chamber（51）It is interior, so that transparent devices is lost filling and becomes pellucidity.
2. light path switching device as described in claim 1, it is characterised in that：The material of transparent devices is quartz.
3. light path switching device as described in claim 1, it is characterised in that：Storage container（50）Making material be glass.
4. light path switching device as described in claim 1, it is characterised in that：Conveyance conduit（31）Making material be glass.
5. light path switching device as described in claim 1, it is characterised in that：No. one balance air bag（41）Making material be rubber
Glue.
6. light path switching device as described in claim 1, it is characterised in that：No. two balance air bags（42）Making material be rubber
Glue.
7. light path switching device as described in claim 1, it is characterised in that：Liquid metal（Y）It is mercury.
8. light path switching device as described in claim 1, it is characterised in that：Valve（F）Using Electromagnetic Control.
9. for environmental protection or the Raman Systems for optical inspection of food or jewelry or metal, it is characterised in that：With claim 1 institute
The light path switching device stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903891.XA CN108613967B (en) | 2018-08-09 | 2018-08-09 | Raman spectrum testing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903891.XA CN108613967B (en) | 2018-08-09 | 2018-08-09 | Raman spectrum testing system |
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| Publication Number | Publication Date |
|---|---|
| CN108613967A true CN108613967A (en) | 2018-10-02 |
| CN108613967B CN108613967B (en) | 2020-12-08 |
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ID=63666921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810903891.XA Active CN108613967B (en) | 2018-08-09 | 2018-08-09 | Raman spectrum testing system |
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