CN203908929U - Protective device for laser Raman spectrometer - Google Patents
Protective device for laser Raman spectrometer Download PDFInfo
- Publication number
- CN203908929U CN203908929U CN201420156031.1U CN201420156031U CN203908929U CN 203908929 U CN203908929 U CN 203908929U CN 201420156031 U CN201420156031 U CN 201420156031U CN 203908929 U CN203908929 U CN 203908929U
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- CN
- China
- Prior art keywords
- protective
- protective device
- laser
- protective stent
- bayonet socket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 93
- 238000001069 Raman spectroscopy Methods 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 210000004087 cornea Anatomy 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010183 spectrum analysis Methods 0.000 description 3
- 238000001237 Raman spectrum Methods 0.000 description 2
- 229920002457 flexible plastic Polymers 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000003161 choroid Anatomy 0.000 description 1
- 210000000695 crystalline len Anatomy 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 210000004877 mucosa Anatomy 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 210000001525 retina Anatomy 0.000 description 1
Abstract
The utility model relates to a protective device for a laser Raman spectrometer. The protective device comprises a protective support and a protective curtain, wherein the protective support is constructed into a plate part and used for being connected above a revolving nosepiece of the laser Raman spectrometer; the protective curtain is mounted on the protective support, when the protective support is connected above the revolving nosepiece, the protective curtain can at least warp an objective table from the front side, the left side and the right side of the objective table of the laser Raman spectrometer so as to shield reflected light of laser beams. By the aid of the protective device, the reflected light of the laser beams is prevented from being emitted into eyes of an experimenter.
Description
Technical field
The utility model relates to a kind of protective device for laser Raman spectrometer.
Background technology
Laser Raman spectrometer is widely used in the analysis of mineralogical composition in geologic prospecting and inclusion etc.Light source adopts laser, has increased thus the intensity of Raman signal, thereby has made Raman spectrum expand the scope of application.Normally utilize visible laser (also useful Ultra-Violet Laser or near-infrared laser) to detect vibration and the rotational energy of the molecule in infrared region, thereby obtain the structure of matter for information about.
Laser monochromaticity is good, little at the aberration on eyeground, and therefore extremely low laser energy irradiates and can cause cornea or amphiblestroid damage.The laser of different wave length subregion is as follows to the damage of eyes: Ultra-Violet Laser (wavelength coverage 180-400nm) main damage cornea, crystalline lens; Visible laser (wavelength coverage 400-700nm) main damage retina, choroid; Near-infrared laser (wavelength coverage 1400-106nm) main damage cornea.Therefore, long-term personnel's eyes of working in laser operations environment can be subject to long-term impact, although when operation and use laser instrument, even without directly by Ear Mucosa Treated by He Ne Laser Irradiation, but the ray that laser instrument is launched reflects by the trace of the generations such as other objects or wall, the long-term crowd who works in this environment, the cataractous incidence of disease is high.
Conventional laser instrument has 532nm semiconductor laser, and power is 50mW, and 785nm semiconductor laser, and power is greater than 250mW conventionally.Laser power has reached the national laser III class laser safety standard of classifying.But this class laser product is clearly defined as eyes are had to harm, especially, when power ratio is higher, can scorch the skin.Trouble free service system requires laser operation place to have the illuminance of height, makes staff's myosis, reduces the endolaser amount that enters, simultaneously for contacting the safety appliances such as staffing laser light protective goggles of laser.
But, the requirement for experiment condition indoor light of laser Raman spectrometer is secretly to avoid mixed and disorderly influence of light experimental result, in addition, owing to needing frequent viewing microscope and computer screen in laboratory operation process, so having to frequently pluck, experimenter wears safety goggles, can be subject to that laser straight plays the sample surfaces of sample stage and all directions that produce reflected light in various degree, although reflected light energy weaken to some extent, if inject for a long time experimenter's eyes, to it, can cause damage in various degree.Therefore, be badly in need of a kind of protective device for laser Raman spectrometer that can avoid laser to inject experimenter's eyes.
Utility model content
For above-mentioned problem, the utility model proposes a kind of protective device for laser Raman spectrometer, this protective device can avoid the reflected light of laser to inject in experimenter's eye.
According to one side of the present utility model, a kind of protective device for laser Raman spectrometer has been proposed, it comprises: protective stent, it is configured to plate, for being connected to the Nosepiece top of laser Raman spectrometer; Cutting means enclosure, it is mounted on protective stent, and when protective stent is connected to Nosepiece when top, cutting means enclosure can be at least holds objective table to block the reflected light of laser from the place ahead, left side and the right side of the objective table of laser Raman spectrometer.
While adopting protective device of the present utility model to carry out Raman spectrum analysis, cutting means enclosure can block the reflected light of laser, thereby avoids the reflected light of laser to inject in experimenter's eye, has protected that experimenter's is healthy.
In one embodiment, protective stent comprises web member, and it is configured to the bayonet socket of circular arc, and bayonet socket can be connected to protective stent Nosepiece top.Web member adopts has certain flexible plastic material, makes the handling procedure of protective device simple, convenient operation.
In one embodiment, protective stent also comprises rack body, and it extends to deviate from the center of circle direction of bayonet socket from web member, at least can cover objective table when being connected to above Nosepiece when protective stent.Thereby rack body is greater than length and the width of objective table at length direction and Width.Thereby make cutting means enclosure not affect normal spectral analysis process.
In one embodiment, protective stent is configured to substantially corresponding with objective table rectangle.Under the prerequisite of function that realizes cutting means enclosure, reduce thus the weight of protective stent.
In one embodiment, extend two places of the center of circle symmetry with respect to bayonet socket of rack body on bayonet socket and the middle between two places on bayonet socket.Adopt this structure to guarantee the supporting role of rack body, and reduce the production cost of protective device.In a preferred embodiment, protective stent is symmetrical along the center of circle of bayonet socket and the line of middle.Be convenient to the processing of protective device, and make protective stent keep balance, improve the reliability that protective device uses.
In one embodiment, the edge of rack body is provided with guide groove for cutting means enclosure is installed.The edge of rack body arranges guide groove and makes cutting means enclosure can hold the maximum magnitude that rack body covers, in order to avoid affect spectrum test analysis.
In one embodiment, cutting means enclosure is mounted to protective stent by the guide groove fitting piece coordinating with guide groove.Thereby cutting means enclosure is mounted to protective stent.In a preferred embodiment, cutting means enclosure is provided with hook, and guide groove fitting piece is provided with and links up with the pilot hole coordinating.Hook and the installation that realizes cutting means enclosure coordinating of pilot hole.
In this application, term 'fornt', 'back' regulation is, when protective device is mounted on laser Raman spectrometer, over against experimenter's direction, is " front ", and the direction contrary with " front " is " afterwards ".Term " left side " and " right side " are for the objective table of laser Raman spectrometer in addition.
Compared with prior art; the utility model has the advantage of; when protective stent is connected to Nosepiece top; cutting means enclosure can be at least holds objective table from the place ahead, left side and the right side of the objective table of laser Raman spectrometer; thereby the reflected light that blocks laser is injected in experimenter's eye, protected that experimenter's is healthy.The bayonet socket of circular arc can be connected to protective stent Nosepiece top.Because web member adopts, there is certain flexible plastic material, make the installation procedure of protective device simple, convenient operation.Rack body extends to deviate from the center of circle direction of bayonet socket from web member, when protective stent is connected to Nosepiece top, at least can cover objective table.Thereby make cutting means enclosure not affect normal spectral analysis process.
Accompanying drawing explanation
To the utility model, be described in more detail based on embodiment and with reference to accompanying drawing hereinafter.Wherein:
Fig. 1 is according to the vertical view of the protective stent of the protective device of a preferred embodiment of the present utility model;
Fig. 2 is the rear view of protective stent shown in Fig. 1;
Fig. 3 is the sectional view along A-A line in Fig. 1;
Fig. 4 is according to the front elevation of the guide groove fitting piece of the protective device of a preferred embodiment of the present utility model;
Fig. 5 is the left view of the fitting piece of guide groove shown in Fig. 4.
In the drawings, identical member is indicated by identical Reference numeral.Accompanying drawing is not according to actual scale.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
The protective device for laser Raman spectrometer that the utility model provides comprises protective stent and cutting means enclosure, and protective stent is for supporting protection curtain, and cutting means enclosure is for blocking the reflected light of laser, to prevent that the reflected light of laser is mapped in experimenter's eye.Protective device of the present utility model and each several part thereof will be described in detail belows.
As shown in Figure 1, Figure 2 and Figure 3, protective stent 10 is configured to plate.When needs are used protective device, protective stent 10 is connected to the Nosepiece top of laser Raman spectrometer, for example, can be connected in the cylindrical tube of Nosepiece top, to be used for supporting protection curtain.
Cutting means enclosure is installed on protective stent 10, and when protective stent 10 is connected to Nosepiece when top, cutting means enclosure at least holds objective table to block the reflected light of laser from the place ahead, left side and the right side of the objective table of laser Raman spectrometer.Avoid thus the reflected light of laser to be injected in experimenter's eye, protected that experimenter's is healthy.
As preferred embodiment, as shown in Figure 1, Figure 2 and Figure 3, protective stent 10 comprises web member, and it is configured to the bayonet socket 11 of circular arc, and bayonet socket 11 can be connected to protective stent 10 Nosepiece top.Web member has under the protective stent of constant weight and the prerequisite of cutting means enclosure and has certain elasticity in its support of assurance, can be plastic material, as long as be convenient to bayonet socket, is connected in Nosepiece top.
As shown in Figure 1, Figure 2 and Figure 3, preferably, protective stent 10 also comprises rack body 12.Web member preferably forms as one with rack body 12, and be convenient to thus protective stent 10 and produce, and the intensity of raising protective stent.Rack body 12 extends to deviate from the center of circle direction of bayonet socket 11 from web member, at least can cover objective table when being connected to above Nosepiece when protective stent 10.Further, the length of protective stent 10 and width are greater than the maximum moving range of objective table on length direction and Width, thereby make cutting means enclosure not affect normal spectral analysis process.
As preferably, protective stent 10 is configured to substantially corresponding with objective table rectangle.Because protective stent 10 is for supporting protection curtain, so protective stent has determined the scope that cutting means enclosure holds to a certain extent, protective stent 10 is configured to substantially corresponding with objective table rectangle, can be so that reduce the weight of protective stent under the prerequisite of the scope that cutting means enclosure holds corresponding to objective table.
Further, as shown in Figure 1, extend two places of the center of circle symmetry with respect to bayonet socket 11 of rack body 12 on bayonet socket 11 and the middle between two places on bayonet socket 11.Reduce thus the production cost of protective device.Preferably, protective stent 10 is symmetrical along the center of circle of bayonet socket 11 and the line of middle.Make protective stent keep balance, improve the reliability that protective device uses.
In addition, the edge of rack body 12 is provided with guide groove 13 for cutting means enclosure is installed.Guide groove can form as one with rack body 12, is convenient to processing and fabricating rack body 12.The cutting means enclosure that is arranged so that of guide groove 13 can hold the maximum magnitude that rack body 12 covers, in order to avoid affect spectrum test analysis.
Preferably, as shown in Figure 4 and Figure 5, cutting means enclosure is mounted to protective stent 10 by the guide groove fitting piece 30 coordinating with guide groove 13.As shown in the figure, guide groove fitting piece 30 is T-shaped, and the head of T-shaped coordinates with guide groove 13, and the main part of T-shaped is provided with pilot hole 31, and pilot hole 31 coordinates that with the hook arranging on cutting means enclosure cutting means enclosure is mounted on protective stent 10.During use, can adopt some guide groove fitting pieces 30 that cutting means enclosure is mounted on protective stent 10.
Although the utility model is described with reference to preferred embodiment, in the situation that not departing from scope of the present utility model, can carries out various improvement and can replace parts wherein with equivalent it.The utility model is not limited to disclosed specific embodiment in literary composition, but comprises all technical schemes in the scope that falls into claim.
Claims (9)
1. for a protective device for laser Raman spectrometer, it is characterized in that, comprising:
Protective stent, it is configured to plate, for being connected to the Nosepiece top of laser Raman spectrometer;
Cutting means enclosure, it is mounted on described protective stent, when described protective stent is connected to described Nosepiece top, described cutting means enclosure can be at least holds described objective table to block the reflected light of laser from the place ahead, left side and the right side of the objective table of laser Raman spectrometer.
2. protective device according to claim 1, is characterized in that, described protective stent comprises web member, and it is configured to the bayonet socket of circular arc, and described bayonet socket can be connected to described protective stent described Nosepiece top.
3. protective device according to claim 2, it is characterized in that, described protective stent also comprises rack body, and it extends to deviate from the center of circle direction of described bayonet socket from described web member, at least can cover described objective table when being connected to above described Nosepiece when described protective stent.
4. protective device according to claim 3, is characterized in that, described protective stent is configured to substantially corresponding with described objective table rectangle.
5. protective device according to claim 4, is characterized in that, extend two places of the center of circle symmetry with respect to described bayonet socket of described rack body on described bayonet socket and the middle between described two places on described bayonet socket.
6. protective device according to claim 5, is characterized in that, described protective stent is symmetrical along the center of circle of described bayonet socket and the line of described middle.
7. according to the protective device described in any one in claim 3 to 6, it is characterized in that, the edge of described rack body is provided with guide groove for described cutting means enclosure is installed.
8. protective device according to claim 7, is characterized in that, described cutting means enclosure is mounted to described protective stent by the guide groove fitting piece coordinating with described guide groove.
9. protective device according to claim 8, is characterized in that, described cutting means enclosure is provided with hook, and described guide groove fitting piece is provided with the pilot hole coordinating with described hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156031.1U CN203908929U (en) | 2014-04-01 | 2014-04-01 | Protective device for laser Raman spectrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420156031.1U CN203908929U (en) | 2014-04-01 | 2014-04-01 | Protective device for laser Raman spectrometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908929U true CN203908929U (en) | 2014-10-29 |
Family
ID=51783192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420156031.1U Expired - Lifetime CN203908929U (en) | 2014-04-01 | 2014-04-01 | Protective device for laser Raman spectrometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203908929U (en) |
-
2014
- 2014-04-01 CN CN201420156031.1U patent/CN203908929U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |
|
| CX01 | Expiry of patent term |