CN117269141B - Laser Raman spectrometer - Google Patents
Laser Raman spectrometer Download PDFInfo
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- CN117269141B CN117269141B CN202311250046.4A CN202311250046A CN117269141B CN 117269141 B CN117269141 B CN 117269141B CN 202311250046 A CN202311250046 A CN 202311250046A CN 117269141 B CN117269141 B CN 117269141B
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- 238000001069 Raman spectroscopy Methods 0.000 title claims abstract description 26
- 239000011521 glass Substances 0.000 claims abstract description 84
- 238000004140 cleaning Methods 0.000 claims abstract description 78
- 239000000126 substance Substances 0.000 claims abstract description 69
- 238000001514 detection method Methods 0.000 claims abstract description 55
- 238000001228 spectrum Methods 0.000 claims abstract description 15
- 238000001237 Raman spectrum Methods 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000011084 recovery Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 3
- 230000003287 optical effect Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 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
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- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (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)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention belongs to the technical field of Raman spectroscopy, in particular to a Raman spectrum detection system and a laser Raman spectrometer thereof, comprising a workbench, wherein a sample chamber is fixedly connected at the edge of the upper end face of the workbench, a computer host is arranged on one side of the upper end face of the workbench, which is close to the sample chamber, a support frame is fixedly connected at the edge of the upper end face of the sample chamber, a laser light source is arranged on the surface of the support frame, a plurality of laser heads are arranged at the end part of the laser light source, and a glass sheet is arranged at the center of the upper end face of the sample chamber; the distance between the glass sheet and the laser light source head can be controlled through the adjusting mechanism, so that after collected optical signals are converted into electric signals, the scattering spectrum displayed on the display screen of the computer host is clear, the identification and the qualitative determination of substances are facilitated, and the glass sheet can be cleaned after the detection of the substances is completed once through the cleaning mechanism, so that the problem that residual substances influence the detection of other substances is avoided.
Description
Technical Field
The invention belongs to the technical field of Raman spectroscopy, and particularly relates to a laser Raman spectrometer.
Background
The Raman scattering is one of inelastic scattering of incident photons by medium molecules, and is used for nondestructive qualitative and quantitative analysis and measurement, can represent medium molecule vibration or rotation energy level information, can be used as an effective means for identifying substances by using molecular fingerprints, is widely applied to the fields of materials, chemical industry, petroleum, high polymers, biology, environmental protection, geology and the like, is used for high-precision measurement of Raman spectra of substances by using a laser Raman spectrometer, and is the basis of Raman spectrum analysis technology.
The laser Raman spectrometer has the characteristics of accurate detection and wide application range, and is very suitable for on-site rapid detection of various chemicals by a specific auxiliary technology. To address this field detection need, various portable laser raman spectrometers have emerged. The existing laser Raman spectrometer has at least the following defects due to the limitation of the principle, the structural composition and the cost of the portable laser Raman spectrometer.
After the detection and the qualitative completion of the substances, if the remaining substances are required to be continuously detected, if the cleaning above the glass sheet is incomplete, and the remaining substances exist, the remaining substances influence the re-detection of the remaining substances, which is not beneficial to the use of a laser Raman spectrometer.
To this end, the invention provides a laser raman spectrometer.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention discloses a laser Raman spectrometer, which comprises a workbench, wherein a sample chamber is fixedly connected to the edge of the upper end face of the workbench, a computer host is arranged on one side, close to the sample chamber, of the upper end face of the workbench, a support frame is fixedly connected to the edge of the upper end face of the sample chamber, a laser light source is arranged on the surface of the support frame, a plurality of laser heads are arranged at the end part of the laser light source, a glass sheet is arranged at the center of the upper end face of the sample chamber and used for bearing substances to be detected, an adjusting mechanism is arranged at the bottom of the sample chamber and used for adjusting the up-down movement distance of the glass sheet, and a cleaning mechanism is arranged on the upper end face of the sample chamber and used for cleaning the upper end face of the glass sheet.
Preferably, the adjusting mechanism comprises a through groove arranged on the upper end surface of the sample chamber, an electric ejector rod is slidably connected in the through groove, the glass sheet is arranged on the end surface of the telescopic part of the electric ejector rod, and the length of the glass sheet is smaller than that of the through groove; during operation, when the distance between the glass piece and the laser light source needs to be adjusted, the electric ejector rod is controlled to move, and the telescopic end of the electric ejector rod drives the glass piece to move, so that the distance between the glass piece and the laser light source can be adjusted, and the subsequent detection and the qualitative detection of substances are facilitated.
Preferably, a through groove is formed in the through groove, the electric ejector rod is connected in the through groove in a sliding mode, and the shape of the electric ejector rod is matched with the shape of the through groove; when the electric ejector rod is used, the telescopic part of the electric ejector rod drives the glass sheet to move, the telescopic part of the electric ejector rod can move in the through groove, the limit of the electric ejector rod can be realized through the through groove, the laser emitted by the laser light source and the substance are located on the same vertical plane, and the problem that the detection of the substance is affected because the laser does not irradiate the substance is avoided.
Preferably, the cleaning mechanism comprises fixing frames fixedly connected to the upper end face of the sample chamber, the number of the fixing frames is two, the fixing frames are symmetrically arranged relative to the sample chamber, sliding grooves are formed in the opposite faces of the two fixing frames, each sliding groove is internally and slidably connected with an adjusting plate, the side wall of the sample chamber is fixedly connected with an oil cylinder, the telescopic end of the oil cylinder is fixedly connected with a U-shaped frame, the end part of the U-shaped frame is connected with the side wall of the adjusting plate, a cleaning plate is arranged between the two adjusting plates, and the outer peripheral face of the cleaning plate is sleeved with cleaning cloth; in the initial state, the cleaning plate is positioned on the side far away from the glass sheet, i.e. the cleaning plate is in the initial state, so that the detection of substances on the surface of the glass sheet is not affected.
Preferably, the shape of the adjusting plate is matched with the shape of the chute, and the bottom of the adjusting plate is rotationally connected with a ball at the contact position of the bottom of the adjusting plate and the chute; during operation, because the shape of regulating plate and spout shape looks adaptation, and the regulating plate bottom is provided with the ball, not only can carry out spacingly to the displacement position of regulating plate, but also made things convenient for the cleanness to the glass piece.
Preferably, the opposite surfaces of the two regulating plates are provided with guide grooves, an electric regulating rod is fixedly connected in the guide grooves, a support is fixedly connected to a telescopic part of the electric regulating rod, the cleaning plate is clamped between the two supports, the length of the cleaning plate is greater than that of the glass sheet, and a recovery groove is formed in one side, close to the glass sheet, of the sample chamber; during operation, if before cleaning the glass piece, the cleaning plate is not on the same horizontal plane with the glass piece, and the electric adjusting rod is controlled to move at the moment, so that the telescopic end of the electric adjusting rod drives the support and the cleaning plate to move, the cleaning plate moves towards one side close to the glass piece, and then the oil cylinder is controlled to move, so that the cleaning effect of the cleaning plate on the glass piece is improved, and the follow-up detection of other substances is facilitated.
Preferably, clamping grooves are formed in two side walls of the cleaning plate, the end parts of the support are clamped in the clamping grooves, and the shape of the end parts of the support is matched with that of the clamping grooves; during operation, because the cleaning plate passes through the draw-in groove joint at the tip of support, so when the cleaning plate uses for a long time and need change, only need take out the support from the draw-in groove can to alright change the cleaning plate, be favorable to the clearance of follow-up to the glass piece.
Preferably, an elastic arc head is arranged at the contact position of the bracket and the clamping groove, an arc groove is formed in the clamping groove, and the shape of the elastic arc head is matched with the shape of the arc groove; when the support is clamped in the clamping groove during operation, the elastic arc head at the end part of the support can be clamped in the arc-shaped groove in the clamping groove, so that the stability of the cleaning plate in cleaning the glass sheet is guaranteed.
Preferably, the outer surface of the elastic arc head is sleeved with a limit spring, one end of the limit spring is connected with the surface of the elastic arc head, and the other end of the limit spring is connected with the outer wall of the bracket; when the elastic arc head is clamped in the arc groove, the limiting spring is in a stretching state, when the end part of the support needs to be taken out of the clamping groove, a worker only needs to pull the support outwards to drive the elastic arc head to separate from the arc groove, and then a new cleaning plate is clamped at the end part of the support, so that the cleaning of residual substances and the detection of subsequent substances can be facilitated.
Preferably, the laser raman spectrometer comprises a raman spectrum module, wherein laser is generated and emitted through a laser output end, the laser output end moves along a region to be detected, tissue to be detected is irradiated on the region to be detected, reflected light of the tissue to be detected is collected, and detection spectrum data corresponding to the tissue to be detected is generated according to the reflected light; the temporary storage module is used for storing detection spectrum data continuously generated by moving the laser output end along the region to be detected and the acquisition time correlation corresponding to the detection spectrum data; the camera module is used for acquiring image data of the tissue to be detected in a detection period, generating first video data, wherein the detection period is the irradiation time of the laser output end along the tissue of the region to be detected.
The beneficial effects of the invention are as follows:
1. According to the laser Raman spectrometer, the distance between the glass sheet and the laser light source head can be controlled through the adjusting mechanism, so that after collected optical signals are converted into electric signals, the scattering spectrum displayed on the display screen of the computer host is clear, identification and qualitative performance of substances are facilitated, and through the cleaning mechanism, the glass sheet can be cleaned after one-time detection of the substances is completed, and the problem that residual substances affect detection of other substances is avoided.
2. According to the laser Raman spectrometer, the oil cylinder is controlled to move, the telescopic end of the oil cylinder drives the U-shaped frame to move, so that the U-shaped frame pushes the adjusting plate to move in the chute, the adjusting plate drives the cleaning plate to move from the edge of the glass sheet, and then the cleaning plate cleans substances on the surface of the glass sheet after detection, so that the subsequent continuous detection of other substances is facilitated, and the problem that deviation occurs in the subsequent detection of the substances due to the existence of the residual substances on the glass sheet in the prior art is solved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of a portion of the structure of a sample chamber of the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A in accordance with the present invention;
FIG. 4 is a schematic view of a part of the structure of a fixing frame in the present invention;
FIG. 5 is a schematic view of a portion of a glass sheet according to the present invention;
FIG. 6 is an enlarged view of the structure at B of FIG. 5 in accordance with the present invention;
FIG. 7 is a schematic view of a stent structure according to the present invention;
fig. 8 is an enlarged view of the structure at C of fig. 7 in the present invention.
In the figure: 1. a work table; 2. a sample chamber; 201. a glass sheet; 202. a through groove; 3. a computer host; 4. a supporting frame; 5. a laser light source; 6. an electric ejector rod; 7. a through groove; 8. a fixing frame; 9. a chute; 10. an adjusting plate; 11. an oil cylinder; 12. a U-shaped frame; 13. a cleaning plate; 14. a guide groove; 15. an electric adjusting rod; 16. a bracket; 17. a recovery tank; 18. a clamping groove; 19. an elastic arc head; 20. an arc-shaped groove; 21. and a limit spring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 8, the laser raman spectrometer according to the embodiment of the invention comprises a workbench 1, wherein a sample chamber 2 is fixedly connected to the edge of the upper end face of the workbench 1, a computer host 3 is arranged on one side, close to the sample chamber 2, of the upper end face of the workbench 1, a support frame 4 is fixedly connected to the edge of the upper end face of the sample chamber 2, a laser light source 5 is arranged on the surface of the support frame 4, a plurality of laser heads are arranged at the end part of the laser light source 5, a glass sheet 201 is arranged at the center of the upper end face of the sample chamber 2, the glass sheet 201 is used for bearing substances to be detected, an adjusting mechanism is arranged at the bottom of the sample chamber 2 and used for adjusting the up-down movement distance of the glass sheet 201, and a cleaning mechanism is arranged on the upper end face of the sample chamber 2 and used for cleaning the upper end face of the glass sheet 201;
When the device works, a substance to be detected is placed on the upper end face of the glass sheet 201, a laser and a spectrometer switch are clicked by a mouse, a laser light source 5 on the surface of the support frame 4 irradiates the substance to be detected with laser, then a scattering spectrum of the substance to be detected on the laser is collected, and the collected optical signals are converted into electric signals and input into a computer host 3, so that the substance is identified and qualified; the distance between the glass sheet 201 and the laser light source 5 can be controlled through the adjusting mechanism, so that after collected optical signals are converted into electrical signals, the scattering spectrum displayed on the display screen of the computer host 3 is clear, the identification and the qualitative determination of substances are facilitated, and the glass sheet 201 can be cleaned after the detection of the substances is completed once through the cleaning mechanism, so that the problem that residual substances influence the detection of other substances is avoided.
It should be noted that the rest of the operations of the sample chamber 2 and the computer host 3 are all the prior art, and redundant description is not made in this embodiment.
The adjusting mechanism comprises a through groove 202 formed in the upper end face of the sample chamber 2, an electric ejector rod 6 is slidably connected in the through groove 202, the glass sheet 201 is mounted on the end face of the telescopic part of the electric ejector rod 6, and the length of the glass sheet 201 is smaller than that of the through groove 202; during operation, when the distance between the glass sheet 201 and the laser light source 5 needs to be adjusted, the electric ejector rod 6 is controlled to move, and the telescopic end of the electric ejector rod 6 drives the glass sheet 201 to move, so that the distance between the glass sheet 201 and the laser light source 5 can be adjusted, and the subsequent detection and the qualitative detection of substances are facilitated.
A through groove 7 is formed in the through groove 202, the electric ejector rod 6 is connected in the through groove 7 in a sliding mode, and the shape of the electric ejector rod 6 is matched with the shape of the through groove 7; when the operation, when the flexible portion of electronic ejector pin 6 drove glass piece 201 and remove, the flexible portion of electronic ejector pin 6 can be in the inside removal of logical groove 7, through the spacing of logical groove 7 to electronic ejector pin 6, can ensure that laser light source 5 sent and material are in same vertical face, avoid the laser not to shine the material and influence the problem to its detection.
The cleaning mechanism comprises fixing frames 8 fixedly connected to the upper end face of the sample chamber 2, the number of the fixing frames 8 is two, the fixing frames are symmetrically arranged relative to the sample chamber 2, sliding grooves 9 are formed in opposite faces of the two fixing frames 8, an adjusting plate 10 is slidably connected in each sliding groove 9, an oil cylinder 11 is fixedly connected to the side wall of the sample chamber 2, a U-shaped frame 12 is fixedly connected to the telescopic end of the oil cylinder 11, the end part of the U-shaped frame 12 is connected with the side wall of the adjusting plate 10, a cleaning plate 13 is arranged between the two adjusting plates 10, and cleaning cloth is sleeved on the outer peripheral face of the cleaning plate 13; in the initial state, the cleaning plate 13 is positioned at the side far away from the glass sheet 201, i.e. the cleaning plate 13 is positioned at the position far away from the glass sheet 201 in the initial state, so that the detection of substances on the surface of the glass sheet 201 is not affected; when the cleaning device is used, after the detection of the substances is finished at one time, the upper part of the glass sheet 201 is required to be cleaned, the oil cylinder 11 is controlled to move, the telescopic end of the oil cylinder 11 drives the U-shaped frame 12 to move, the U-shaped frame 12 pushes the adjusting plate 10 to move in the sliding groove 9, the adjusting plate 10 drives the cleaning plate 13 to move from the edge of the glass sheet 201, then the cleaning plate 13 cleans the detected substances on the surface of the glass sheet 201, the subsequent continuous detection of other substances is facilitated, and the problem that the deviation occurs in the subsequent detection of the substances due to the fact that the residual substances exist on the glass sheet 201 in the prior art is also solved.
The shape of the adjusting plate 10 is matched with the shape of the chute 9, and balls are rotatably connected at the contact position of the bottom of the adjusting plate 10 and the chute 9; in operation, as the shape of the adjusting plate 10 is matched with the shape of the sliding groove 9, and the bottom of the adjusting plate 10 is provided with balls, the moving position of the adjusting plate 10 can be limited, and the glass sheet 201 can be cleaned conveniently.
The opposite surfaces of the two regulating plates 10 are provided with guide grooves 14, an electric regulating rod 15 is fixedly connected in the guide grooves 14, a bracket 16 is fixedly connected to the telescopic part of the electric regulating rod 15, the cleaning plate 13 is clamped between the two brackets 16, the length of the cleaning plate 13 is longer than that of the glass sheet 201, and a recovery groove 17 is formed in one side, close to the glass sheet 201, of the sample chamber 2; when the cleaning device works, if the cleaning plate 13 is not on the same horizontal plane with the glass sheet 201 before the glass sheet 201 is cleaned, the electric adjusting rod 15 is controlled to move at the moment, the telescopic end of the electric adjusting rod 15 drives the bracket 16 and the cleaning plate 13 to move, the cleaning plate 13 moves towards the side close to the glass sheet 201, and then the oil cylinder 11 is controlled to move, so that the cleaning effect of the cleaning plate 13 on the glass sheet 201 is improved, and the follow-up detection of other substances is facilitated.
Clamping grooves 18 are formed in the two side walls of the cleaning plate 13, the end parts of the brackets 16 are clamped in the clamping grooves 18, and the end parts of the brackets 16 are matched with the clamping grooves 18 in shape; during operation, the cleaning plate 13 is clamped at the end part of the bracket 16 through the clamping groove 18, so that when the cleaning plate 13 is used for a long time and needs to be replaced, the bracket 16 is only required to be taken out of the clamping groove 18, and the cleaning plate 13 can be replaced, thereby being beneficial to the subsequent cleaning of the glass sheet 201.
An elastic arc head 19 is arranged at the contact position of the bracket 16 and the clamping groove 18, an arc groove 20 is formed in the clamping groove 18, and the shape of the elastic arc head 19 is matched with the shape of the arc groove 20; in operation, when the bracket 16 is clamped in the clamping groove 18, the elastic arc head 19 at the end of the bracket 16 is clamped in the arc groove 20 in the clamping groove 18, so that the stability of the cleaning plate 13 in cleaning the glass sheet 201 is ensured.
The outer surface of the elastic arc head 19 is sleeved with a limit spring 21, one end of the limit spring 21 is connected with the surface of the elastic arc head 19, and the other end of the limit spring is connected with the outer wall of the bracket 16; when the elastic arc head 19 is clamped in the arc groove 20, the limiting spring 21 is used for limiting the elastic arc head 19 in the arc groove 20, when the end part of the support 16 is required to be taken out of the clamping groove 18, a worker needs to pull the support 16 outwards with large force to drive the elastic arc head 19 to separate from the arc groove 20, and then the new cleaning plate 13 is clamped at the end part of the support 16, so that the cleaning of residual substances and the detection of subsequent substances can be facilitated.
The laser Raman spectrometer comprises a Raman spectrum module, wherein laser is generated and emitted through a laser output end, the laser output end moves along a region to be detected, tissue to be detected is irradiated, reflected light of the tissue to be detected is collected, and detection spectrum data corresponding to the tissue to be detected is generated according to the reflected light; the temporary storage module is used for storing detection spectrum data continuously generated by moving the laser output end along the region to be detected and the acquisition time correlation corresponding to the detection spectrum data; the camera module is used for acquiring image data of the tissue to be detected in a detection period, generating first video data, wherein the detection period is the irradiation time of the laser output end along the tissue of the region to be detected.
When the device works, a substance to be detected is placed on the upper end face of the glass sheet 201, a laser and a spectrometer switch are clicked by a mouse, a laser light source 5 on the surface of the support frame 4 irradiates the substance to be detected with laser, then a scattering spectrum of the substance to be detected on the laser is collected, and the collected optical signals are converted into electric signals and input into a computer host 3, so that the substance is identified and qualified; the distance between the glass sheet 201 and the laser light source 5 can be controlled through the adjusting mechanism, so that after collected optical signals are converted into electrical signals, a scattering spectrum displayed on a display screen of the computer host 3 is clear, identification and qualitative determination of substances are facilitated, and through the cleaning mechanism, after one-time detection of the substances is completed, the glass sheet 201 can be cleaned, and the problem that residual substances influence detection of other substances is avoided;
It should be noted that the rest of the operations of the sample chamber 2 and the computer host 3 are all the prior art, and redundant description is not made in this embodiment;
When the distance between the glass sheet 201 and the laser light source 5 needs to be adjusted, the electric ejector rod 6 is controlled to move, and the telescopic end of the electric ejector rod 6 drives the glass sheet 201 to move, so that the distance between the glass sheet 201 and the laser light source 5 can be adjusted, and the subsequent detection and the qualitative detection of substances are facilitated; when the telescopic part of the electric ejector rod 6 drives the glass sheet 201 to move, the telescopic part of the electric ejector rod 6 can move in the through groove 7, and the limit of the through groove 7 to the electric ejector rod 6 can ensure that laser emitted by the laser light source 5 and substances are positioned on the same vertical surface, so that the problem that the detection of the substances is affected because the laser does not irradiate the substances is avoided;
When the upper part of the glass sheet 201 needs to be cleaned after the detection of the substances is finished, the oil cylinder 11 is controlled to move, the telescopic end of the oil cylinder 11 drives the U-shaped frame 12 to move, the U-shaped frame 12 pushes the adjusting plate 10 to move in the chute 9, the adjusting plate 10 drives the cleaning plate 13 to move from the edge of the glass sheet 201, then the cleaning plate 13 cleans the detected substances on the surface of the glass sheet 201, the subsequent continuous detection of the rest substances is facilitated, the problem that the deviation occurs in the subsequent detection of the rest substances due to the residual substances on the glass sheet 201 in the prior art is solved, the shape of the adjusting plate 10 is matched with the shape of the chute 9, and the ball is arranged at the bottom of the adjusting plate 10, so that the moving position of the adjusting plate 10 can be limited, the cleaning of the glass sheet 201 is facilitated, if the electric adjusting rod 15 is controlled to move before the glass sheet 201 is cleaned, the telescopic end drives the bracket 16 and the cleaning plate 13 to move towards one side close to the glass sheet 201, the subsequent detection of the rest substances is facilitated, and the subsequent detection of the rest substances on the glass sheet 201 is facilitated;
Because the cleaning plate 13 passes through the draw-in groove 18 joint at the tip of support 16, therefore when cleaning plate 13 uses for a long time and need change, only need take out support 16 from draw-in groove 18 can, thereby alright change cleaning plate 13, be favorable to follow-up clearance to glass piece 201, when support 16 card is in draw-in groove 18, the elasticity arc head 19 of support 16 tip can block in the arc inslot 20 of draw-in groove 18, stability when cleaning plate 13 has been given like this, when elasticity arc head 19 card is in arc inslot 20, spacing spring 21 is used for restricting elasticity arc head 19 in arc inslot 20, when need take out the tip of support 16 from draw-in groove 18, the staff need use great strength outward pull support 16, make it drive elasticity arc head 19 break away from in arc inslot 20 can, afterwards with new cleaning plate 13 card in the tip of support 16 can, so can be convenient to clear up the residual material, and follow-up material detects.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A laser raman spectrometer, characterized by: the device comprises a workbench (1), a sample chamber (2) is fixedly connected to the edge of the upper end face of the workbench (1), a computer host (3) is installed on one side, close to the sample chamber (2), of the upper end face of the workbench (1), a supporting frame (4) is fixedly connected to the edge of the upper end face of the sample chamber (2), a laser light source (5) is installed on the surface of the supporting frame (4), a plurality of laser heads are arranged at the end part of the laser light source (5), a glass sheet (201) is arranged at the center of the upper end face of the sample chamber (2), the glass sheet (201) is used for bearing substances to be detected, an adjusting mechanism is arranged at the bottom of the sample chamber (2) and used for adjusting the up-down moving distance of the glass sheet (201), and a cleaning mechanism is arranged on the upper end face of the sample chamber (2) and used for cleaning the upper end face of the glass sheet (201).
The cleaning mechanism comprises fixing frames (8) fixedly connected to the upper end face of the sample chamber (2), the number of the fixing frames (8) is two, the fixing frames are symmetrically arranged relative to the sample chamber (2), sliding grooves (9) are formed in opposite faces of the two fixing frames (8), an adjusting plate (10) is connected in each sliding groove (9) in a sliding mode, an oil cylinder (11) is fixedly connected to the side wall of the sample chamber (2), a U-shaped frame (12) is fixedly connected to the telescopic end of the oil cylinder (11), the end portion of the U-shaped frame (12) is connected with the side wall of the adjusting plate (10), a cleaning plate (13) is arranged between the two adjusting plates (10), and cleaning cloth is sleeved on the outer peripheral face of the cleaning plate (13);
The two opposite surfaces of the two regulating plates (10) are respectively provided with a guide groove (14), an electric regulating rod (15) is fixedly connected in each guide groove (14), a support (16) is fixedly connected to the telescopic part of each electric regulating rod (15), the cleaning plate (13) is clamped between the two supports (16), the length of the cleaning plate (13) is greater than that of the glass sheet (201), and a recovery groove (17) is formed in one side, close to the glass sheet (201), of the sample chamber (2);
Clamping grooves (18) are formed in two side walls of the cleaning plate (13), the end parts of the brackets (16) are clamped in the clamping grooves (18), and the end parts of the brackets (16) are matched with the clamping grooves (18) in shape;
An elastic arc head (19) is arranged at the contact position of the bracket (16) and the clamping groove (18), an arc groove (20) is formed in the clamping groove (18), and the shape of the elastic arc head (19) is matched with the shape of the arc groove (20);
The outer surface of the elastic arc head (19) is sleeved with a limiting spring (21), one end of the limiting spring (21) is connected with the surface of the elastic arc head (19), and the other end of the limiting spring is connected with the outer wall of the bracket (16).
2. A laser raman spectrometer according to claim 1 wherein; the adjusting mechanism comprises a penetrating groove (202) formed in the upper end face of the sample chamber (2), an electric ejector rod (6) is connected in the penetrating groove (202) in a sliding mode, the glass sheet (201) is mounted on the end face of the telescopic part of the electric ejector rod (6), and the length of the glass sheet (201) is smaller than that of the penetrating groove (202).
3. A laser raman spectrometer according to claim 2, wherein: the through groove (202) is internally provided with a through groove (7), the electric ejector rod (6) is slidably connected in the through groove (7), and the shape of the electric ejector rod (6) is matched with the shape of the through groove (7).
4. A laser raman spectrometer according to claim 1, wherein: the shape of the adjusting plate (10) is matched with the shape of the sliding groove (9), and a ball is rotationally connected at the contact position of the bottom of the adjusting plate (10) and the sliding groove (9).
5. A laser raman spectrometer according to claim 1, the operating system of which is as follows: the laser Raman spectrometer comprises a Raman spectrum module, wherein laser is generated and emitted through a laser output end, the laser output end moves along a region to be detected, tissue to be detected is irradiated to the region to be detected, reflected light of the tissue to be detected is collected, and detection spectrum data corresponding to the tissue to be detected is generated according to the reflected light; the temporary storage module is used for storing detection spectrum data continuously generated by moving the laser output end along the region to be detected and the acquisition time correlation corresponding to the detection spectrum data; the camera module is used for acquiring image data of the tissue to be detected in a detection period, generating first video data, wherein the detection period is the irradiation time of the laser output end along the tissue of the region to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202149877U (en) * | 2011-07-29 | 2012-02-22 | 北京华泰诺安科技有限公司 | Focusing testboard of Raman spectrometer |
| CN208476768U (en) * | 2018-06-27 | 2019-02-05 | 广东泓胜科技股份有限公司 | A kind of remote sensing detection mirror surface cleaning apparatus for self |
| CN210269606U (en) * | 2019-06-28 | 2020-04-07 | 漳州佳卓自动化设备有限公司 | Online near-infrared moisture tester |
| CN213398203U (en) * | 2019-12-27 | 2021-06-08 | 苏州飞时曼精密仪器有限公司 | Optical-mechanical device for Raman spectrometer |
| CN114441501A (en) * | 2022-01-10 | 2022-05-06 | 仪凰(无锡)光谱测控有限公司 | Raman spectrum detection system and method based on Internet of things |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202149877U (en) * | 2011-07-29 | 2012-02-22 | 北京华泰诺安科技有限公司 | Focusing testboard of Raman spectrometer |
| CN208476768U (en) * | 2018-06-27 | 2019-02-05 | 广东泓胜科技股份有限公司 | A kind of remote sensing detection mirror surface cleaning apparatus for self |
| CN210269606U (en) * | 2019-06-28 | 2020-04-07 | 漳州佳卓自动化设备有限公司 | Online near-infrared moisture tester |
| CN213398203U (en) * | 2019-12-27 | 2021-06-08 | 苏州飞时曼精密仪器有限公司 | Optical-mechanical device for Raman spectrometer |
| CN114441501A (en) * | 2022-01-10 | 2022-05-06 | 仪凰(无锡)光谱测控有限公司 | Raman spectrum detection system and method based on Internet of things |
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