CN114441501A - Raman spectrum detection system and method based on Internet of things - Google Patents
Raman spectrum detection system and method based on Internet of things Download PDFInfo
- Publication number
- CN114441501A CN114441501A CN202210022703.9A CN202210022703A CN114441501A CN 114441501 A CN114441501 A CN 114441501A CN 202210022703 A CN202210022703 A CN 202210022703A CN 114441501 A CN114441501 A CN 114441501A
- Authority
- CN
- China
- Prior art keywords
- plate
- raman spectrum
- elastic element
- probe
- raman
- 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.)
- Granted
Links
- 238000001237 Raman spectrum Methods 0.000 title claims abstract description 64
- 238000001514 detection method Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 79
- 238000001069 Raman spectroscopy Methods 0.000 claims abstract description 52
- 239000000428 dust Substances 0.000 claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 33
- 239000004744 fabric Substances 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000001228 spectrum Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract 4
- 230000006855 networking Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- 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
-
- 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
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Spectrometry And Color Measurement (AREA)
Abstract
The invention discloses a Raman spectrum detection system and method based on the Internet of things, and belongs to the technical field of Raman spectrum. The Raman spectrum detection system based on the Internet of things comprises a Raman spectrometer and a Raman spectrum probe arranged on the Raman spectrometer, wherein an installation seat is arranged outside the Raman spectrum probe, a probe protection cover is detachably arranged on the outer wall of the installation seat, the top of the installation seat is connected with a base, a touch plate is arranged on the base, the installation seat, the base and the touch plate are all provided with light path through holes for laser emission of the Raman spectrum probe, a shading mechanism for blocking the light path through holes is arranged between the base and the touch plate, a movable cavity is also arranged in the base, and a dust removal mechanism for wiping the Raman spectrum probe is arranged in the movable cavity; the invention improves the precision of the Raman detector for detecting the article, simplifies the steps of Raman detection, and improves the efficiency of Raman spectrum detection, thereby improving the detection result and the detection efficiency.
Description
Technical Field
The invention relates to the technical field of Raman spectroscopy, in particular to a Raman spectrum detection system and method based on the Internet of things.
Background
Raman spectroscopy is a light scattering technique, which refers to scattering in which incident photons interact with sample molecules to inelastically collide and cause a change in frequency. Raman spectroscopy uses scattered light to obtain information about molecular vibrations that provide information about the corresponding molecules in their structure, symmetry, chemical bonds, etc. The raman spectroscopy technology has been widely used in the fields of food safety, biomedicine, drug detection, material science, environmental detection, jewelry identification, and the like.
The Raman spectrometer mainly comprises a laser light source, an outer light path system, an inner light splitting light path system, a photoelectric detection system, a corresponding data processing system and the like. At present, a commonly used raman spectrum detection method is to transmit laser to a sample through a raman probe, excite a raman signal of the sample, transmit the raman spectrum signal to a spectrometer for detection, and analyze and process data by a computer.
The in-process that the measurement personnel detected article using hand-held type raman spectroscopy, the window piece of raman probe terminal surface receives external environment's pollution easily, and the impurity of adhesion on the window piece can influence the measuring precision of raman spectroscopy, and detect the clearance of using different detection article, for avoiding the direct light of laser and reverberation to cause the damage to eyes or combustible object, need frequent shut down the laser instrument, not only the step is loaded down with trivial details, the influence is to the efficiency that article detected.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a Raman spectrum detection system and method based on the Internet of things.
In order to achieve the purpose, the invention adopts the following technical scheme:
raman spectrum detecting system based on thing networking, including Raman spectroscopy appearance and the Raman spectroscopy probe of setting on Raman spectroscopy appearance, Raman spectroscopy probe outside is provided with the mount pad, the mount pad outer wall can be dismantled and be provided with the probe protective cover, the top of mount pad is connected with the base, be provided with the touch panel on the base, the light path through-hole that is used for Raman spectroscopy probe laser to jet out is all offered to mount pad, base and touch panel, be provided with the shading mechanism who is used for shutoff light path through-hole between base and the touch panel, still be provided with movable cavity in the base, be provided with the dust removal mechanism who is used for cleaning Raman spectroscopy probe in the movable cavity, just the dust removal operation is carried out to Raman spectroscopy probe to shading mechanism drive dust removal mechanism.
Preferably, shading mechanism is including seting up a plurality of sliding trays on the base, the sliding tray is provided with four, four the sliding tray uses the light path through-hole to be the circumference and distributes, every equal sliding connection has the sliding block in the sliding tray, all be provided with the U-shaped board on sliding block and the touch panel, two swing joint has the connecting rod between the U-shaped board.
Preferably, the inner wall of the sliding groove is connected with a fixed rod, and the sliding block is provided with a movable groove matched with the fixed rod.
Preferably, dust removal mechanism is including seting up the pneumatic chamber in the mount pad, both sides communicate flexible pipe and pneumatic tube through the trachea respectively about the pneumatic chamber, flexible pipe connection of elasticity is on the base, the one end that the base was kept away from to flexible pipe is connected with the extension board, the extension board links to each other with the conflict board is fixed, pneumatic tube passes through the support setting in the activity cavity, pneumatic tube inner wall sliding connection has first piston, the outer wall both sides of first piston are connected with first elastic element and second elastic element respectively, first elastic element sets up between the inner wall of first piston and pneumatic tube, the one end that first piston was kept away from to second elastic element is connected with the clearance subassembly, the clearance subassembly offsets with the raman spectroscopy probe activity.
Preferably, the cleaning assembly comprises a mounting plate fixedly connected with the second elastic element, a connecting rod is arranged on the mounting plate, one end, far away from the mounting plate, of the connecting rod is connected with a flat plate, the outer wall of the flat plate is connected with cleaning cloth, and the cleaning cloth is movably abutted to the Raman spectrum probe.
Preferably, the cleaning assembly further comprises a blocking rod connected with the support plate, the blocking rod movably abuts against the cleaning assembly, and the blocking rod comprises two straight rods and a U-shaped rod connected between the two straight rods.
Preferably, a groove is formed in the flat plate, a second piston is connected to the inner wall of the groove in a sliding mode, a third elastic element is arranged between the second piston and the inner wall of the groove, one end, far away from the third elastic element, of the second piston is fixedly connected with the connecting rod, an airtight cavity is further formed in the flat plate, the airtight cavity and the groove are communicated through a one-way valve, a plurality of water leakage holes which are evenly distributed are formed in the bottom wall of the flat plate and are communicated with the airtight cavity, a water storage cavity is further formed in the flat plate, and the water storage cavity is connected with the groove through the one-way valve.
Preferably, the outer wall of the mounting plate is provided with a sliding groove, inner walls of two sides of the sliding groove are connected with fourth elastic elements, a sliding block is connected between the fourth elastic elements, the sliding block is connected in the sliding groove in a sliding mode and fixedly connected with a connecting rod, the inner wall of the movable cavity is connected with a plurality of fifth elastic elements, one ends, far away from the movable cavity, of the fifth elastic elements are connected with abutting plates, and the abutting plates are movably abutted to the flat plate.
Preferably, the outer end surface of the bottom of the abutting plate is chamfered.
The invention also discloses a Raman spectrum detection method based on the Internet of things, which is applied to the Raman spectrum detection system based on the Internet of things, and the method comprises the following steps:
s1: when the Raman spectrometer is used, firstly, the probe protective cover on the outer side of the mounting seat is taken down, the light path through hole is plugged by the shading mechanism at the moment, the light path through hole is aligned to an article to be detected, and the abutting plate abuts against the article to be detected;
s2: when the abutting plate abuts against the object, the abutting plate is stressed to be close to the base, in the process, the abutting plate pushes the sliding blocks to slide in the sliding grooves through the connecting rods, the four sliding blocks are far away from the axis of the light path through hole, the light path through hole is exposed, and laser emitted by the Raman spectrum probe can shoot to the object to be detected from the light path through hole and receive Raman scattering spectrum from the sample;
s3: when the supporting plate is stressed to approach the base, the supporting plate exerts force on the elastic extension tube through the supporting plate, so that the elastic extension tube is stressed and compressed, gas in the elastic extension tube is extruded into the pneumatic cavity and enters the pneumatic tube through the pneumatic cavity, the gas exerts force on the first piston, the first piston moves in the pneumatic tube, the first elastic element is stretched, the second elastic element is compressed under the condition that the stop lever blocks the cleaning assembly, the stop lever does not abut against the cleaning assembly initially, and the stop lever abuts against the cleaning assembly in the first time after the supporting plate moves downwards;
s4: the second elastic element applies force to the mounting plate when stressed and compressed, the mounting plate applies force to the second piston and the third elastic element through the connecting rod, the third elastic element is compressed, the second piston extrudes clean water in the groove to enter the closed cavity, and the clean water is leaked out through the water leakage holes communicated with the closed cavity and wets the cleaning cloth;
s5: when the collision plate is stressed to move to the limit and cannot move downwards continuously, the stop lever moving along with the support plate on the outer side of the collision plate moves downwards synchronously, the U-shaped rod part of the stop lever is matched with the cleaning component, the cleaning component can move in the U-shaped rod, so that the stop lever does not limit the cleaning component any more, the second elastic element and the third elastic element recover deformation respectively, the second elastic element pushes the mounting plate and the cleaning component connected with the mounting plate to move on the Raman spectrum probe to wipe dust on the probe lens, and the third elastic element pushes the second piston to move back and extract clean water in the water storage cavity for next dust removal;
s6: when treating to detect article and examining measuring, if change during and wait to examine article, then the conflict board no longer supports with the article of original detection and presses, and the conflict board pushes the conflict board and resumes the normal position under the flexible pipe's of elasticity effect, and the conflict board drives the sliding block through the connecting rod this moment and is close to each other for four sliding blocks carry out the shutoff to the light path through-hole again.
Compared with the prior art, the invention provides a Raman spectrum detection system and method based on the Internet of things, and the Raman spectrum detection system and method based on the Internet of things have the following beneficial effects:
1. according to the Raman spectrum detection system and method based on the Internet of things, the laser emitted by the Raman spectrum probe is shielded through the light shielding mechanism, the Raman detection step is simplified, the damage to eyes or inflammable goods caused by direct light and reflected light of the laser in gaps of different detected goods is avoided, the light shielding mechanism can drive the dust removal mechanism to perform dust removal operation on the Raman spectrum probe, the precision of the Raman detector for detecting the goods is improved, and therefore the detection result and the detection efficiency are improved.
2. This raman spectrum detection system and method based on thing networking, through when the conflict board supports and presses article, the conflict board atress is close to the base, in this in-process, the conflict board promotes the sliding block through the connecting rod and slides in the sliding tray, make four sliding blocks keep away from the axle center of light path through-hole, and then expose the light path through-hole, the laser that makes raman spectrum probe jetted out can follow the light path through-hole directive treat that detect the object and accept the raman scattering spectrum that comes from the sample, if treat article to be examined in the change during, then the conflict board no longer supports and presses with the article of original detection, the conflict board pushes the conflict board recovery normal position under the flexible pipe's of elasticity effect, the conflict board drives the sliding block through the connecting rod and is close to each other this moment, make four sliding blocks carry out the shutoff to the light path through-hole again, laser damages people or thing through the light path through-hole during avoiding.
3. This raman spectrum detection system and method based on thing networking, through when the conflict board atress is close to the base, the conflict board passes through the extension board to the flexible pipe effort of elasticity, make the flexible pipe atress of elasticity compressed, gas in the flexible pipe is squeezed into pneumatic chamber and gets into in the pneumatic pipe through pneumatic chamber, these gas are to first piston effort, make first piston move in the pneumatic pipe, first elastic element is stretched, first piston promotes the clearance subassembly synchronous motion on right side, and then make cleaning cloth remove dust to raman spectrum probe, thereby guarantee the detection precision of instrument.
4. This raman spectroscopy detection system and method based on thing networking, keep out the clearance subassembly through the gag lever post, the removal of first piston makes the second elastic element atress compressed, to the mounting panel effort, the mounting panel passes through the connecting rod to second piston and third elastic element effort, third elastic element is compressed, the inside clear water of second piston extrusion recess gets into in the airtight cavity, the hole that leaks with airtight cavity intercommunication spills the clear water and wets cleaning cloth to guarantee cleaning cloth to raman spectroscopy probe's dust removal effect.
5. According to the Raman spectrum detection system and method based on the Internet of things, the fifth elastic element pushes the abutting plate to abut against the cleaning assembly, so that the cleaning assembly moves downwards, the cleaning cloth is tightly abutted against the probe, the wiping effect of the probe is further improved, and the detection precision of the probe is further improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a mounting seat and a probe protection cover according to the present invention;
FIG. 3 is a schematic structural diagram of the light shielding mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a base according to the present invention;
FIG. 5 is a first cross-sectional view of the mounting base of the present invention;
FIG. 6 is an enlarged view of a portion A of FIG. 5 according to the present invention;
FIG. 7 is a schematic cross-sectional view of a second embodiment of the mounting base of the present invention;
FIG. 8 is a schematic view of the structure of the pneumatic tube of the present invention;
FIG. 9 is an enlarged view of portion B of FIG. 8 according to the present invention;
FIG. 10 is a schematic view of the stop lever of the present invention;
FIG. 11 is a schematic structural diagram of a cleaning assembly of the present invention.
In the figure: 1. a Raman spectrometer; 2. a Raman spectrum probe; 3. a mounting seat; 4. a probe protective cover; 5. a base; 501. a sliding groove; 5011. fixing the rod; 502. a slider; 5021. a movable groove; 503. a connecting rod; 6. a touch plate; 7. a light path through hole; 8. a movable cavity; 9. a stop lever; 901. a straight rod; 902. a U-shaped rod; 10. a U-shaped plate; 11. a pneumatic chamber; 12. an elastic telescopic pipe; 121. a support plate; 13. a pneumatic tube; 131. a first piston; 132. a first elastic element; 133. a second elastic element; 14. mounting a plate; 141. a chute; 142. a fourth elastic element; 143. a slider; 144. a connecting rod; 15. a flat plate; 151. a cleaning cloth; 152. a groove; 1521. a second piston; 1522. a third elastic element; 153. sealing the cavity; 154. a water leakage hole; 155. a water storage cavity; 16. a fifth elastic element; 161. and a support plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to figures 1, 2, 3 and 4, fig. 5, fig. 7 and 11, raman spectroscopy detecting system based on thing networking, including raman spectroscopy 1 and raman spectroscopy probe 2 of setting on raman spectroscopy 1, raman spectroscopy probe 2 outside is provided with mount pad 3, 3 outer walls of mount pad can be dismantled and be provided with probe protection cover 4, the top of mount pad 3 is connected with base 5, be provided with touch panel 6 on the base 5, mount pad 3, base 5 and touch panel 6 all offer the light path through-hole 7 that is used for 2 laser shots of raman spectroscopy probe, be provided with the shading mechanism who is used for shutoff light path through-hole 7 between base 5 and the touch panel 6, still be provided with movable cavity 8 in the base 5, be provided with the dust removal mechanism who is used for wiping raman spectroscopy probe 2 in the movable cavity 8, and the dust removal operation is carried out to raman spectroscopy probe 2 to the drive dust removal mechanism of shading mechanism.
Specifically, the probe protection cover 4 can protect the raman spectrum probe 2 and prevent dust from entering at ordinary times, when the raman spectrum instrument 1 is used, the probe protection cover 4 on the outer side of the mounting seat 3 is firstly taken down, at the moment, the light path through hole 7 is blocked by the shading mechanism, the light path through hole 7 is aligned to an article to be detected, the abutting plate 6 abuts against the article to be detected, the shading mechanism relieves the shading on the light path through hole 7, laser emitted by the raman spectrum probe 2 can emit to the article to be detected from the light path through hole 7 and receive raman scattering spectrum from a sample, in the process, the dust removal mechanism is driven to perform dust removal operation on the raman spectrum probe 2, the precision of the raman spectrum instrument 1 for detecting the article is improved, and therefore the detection result and the detection efficiency are improved.
Example 2:
referring to fig. 2, fig. 3, fig. 4, fig. 5, and fig. 7, the raman spectrum detection system based on the internet of things is the same as in embodiment 1, further, the light shielding mechanism includes a plurality of sliding grooves 501 provided on the base 5, the sliding grooves 501 are four, the four sliding grooves 501 are circumferentially distributed with the light path through hole 7 as a circle center, a sliding block 502 is slidably connected in each sliding groove 501, U-shaped plates 10 are provided on each sliding block 502 and the abutting plate 6, and a connecting rod 503 is movably connected between the two U-shaped plates 10.
Further, the inner wall of the sliding groove 501 is connected with a fixing rod 5011, and the sliding block 502 is provided with a movable groove 5021 matched with the fixing rod 5011.
Specifically, when conflict board 6 supported and pressed article, conflict board 6 can be atress and is close to base 5, this in-process, conflict board 6 promotes sliding block 502 through connecting rod 503 and slides in sliding tray 501, make four sliding blocks 502 keep away from the axle center of light path through-hole 7, and then expose light path through-hole 7, the laser that makes raman spectrum probe 2 jet out can follow light path through-hole 7 and shoot to wait to detect the object and accept the raman scattering spectrum that comes from the sample, and sliding block 502 removes in-process and makes dead lever 5011 place in movable groove 5021, the stability that sliding block 502 removed has been improved.
Example 3:
referring to fig. 2, 3, 5 and 6, the raman spectroscopy detection system based on the internet of things is the same as in embodiment 2, further, the dust removing mechanism includes a pneumatic cavity 11 disposed in the mounting base 3, the upper and lower sides of the pneumatic cavity 11 are respectively communicated with an elastic telescopic tube 12 and a pneumatic tube 13 through air tubes, the elastic telescopic tube 12 is connected to the base 5, one end of the elastic telescopic tube 12 away from the base 5 is connected to a support plate 121, the support plate 121 is fixedly connected to the abutting plate 6, the pneumatic tube 13 is disposed in the movable cavity 8 through a support, the inner wall of the pneumatic tube 13 is slidably connected to a first piston 131, two sides of the outer wall of the first piston 131 are respectively connected to a first elastic element 132 and a second elastic element 133, the first elastic element 132 is disposed between the first piston 131 and the inner wall of the pneumatic tube 13, one end of the second elastic element 133 away from the first piston 131 is connected to a cleaning assembly, the cleaning component is movably abutted against the Raman spectrum probe 2.
Specifically, when the abutting plate 6 is forced to approach the base 5, the abutting plate 6 applies force to the elastic extension tube 12 through the support plate 121, so that the elastic extension tube 12 is forced to be compressed, gas in the elastic extension tube 12 is squeezed into the pneumatic cavity 11 and enters the pneumatic tube 13 through the pneumatic cavity 11, the gas applies force to the first piston 131, so that the first piston 131 moves in the pneumatic tube 13, the first elastic element 132 is stretched, the first piston 131 drives the second elastic element 133 and the cleaning assembly connected with the second elastic element 133 to move to the right, so that the cleaning assembly removes dust from the raman spectrum probe 2, and the detection accuracy of the instrument is ensured.
Example 4:
referring to fig. 2, 7, 8, 9, 10 and 11, the raman spectroscopy detection system based on the internet of things is the same as that in embodiment 3, and further, the cleaning assembly includes a mounting plate 14 fixedly connected to the second elastic element 133, a connecting rod 144 is disposed on the mounting plate 14, one end of the connecting rod 144, which is far away from the mounting plate 14, is connected to the flat plate 15, a cleaning cloth 151 is connected to an outer wall of the flat plate 15, and the cleaning cloth 151 is movably abutted to the raman spectroscopy probe 2.
Further, the cleaning assembly further comprises a blocking rod 9 connected with the support plate 121, the blocking rod 9 is movably abutted to the cleaning assembly, and the blocking rod 9 comprises two straight rods 901 and a U-shaped rod 902 connected between the two straight rods 901.
Further, a groove 152 is formed in the flat plate 15, the inner wall of the groove 152 is slidably connected with a second piston 1521, a third elastic element 1522 is arranged between the second piston 1521 and the inner wall of the groove 152, one end, far away from the third elastic element 1522, of the second piston 1521 is fixedly connected with the connecting rod 144, a closed cavity 153 is further formed in the flat plate 15, the closed cavity 153 is communicated with the groove 152 through a one-way valve, the bottom wall of the flat plate 15 is provided with a plurality of water leakage holes 154 which are uniformly distributed and are communicated with the closed cavity 153, a water storage cavity 155 is further formed in the flat plate 15, and the water storage cavity 155 is connected with the groove 152 through the one-way valve.
Specifically, when the first piston 131 moves in the pneumatic tube 13, the first elastic element 132 is stretched, the second elastic element 133 is compressed when the stop lever 9 blocks the cleaning assembly, the second elastic element 133 applies force to the mounting plate 14 when being stressed and compressed, the mounting plate 14 applies force to the second piston 1521 and the third elastic element 1522 through the connecting rod 144, the third elastic element 1522 is compressed, the second piston 1521 extrudes clean water in the groove 152 to enter the closed cavity 153, the clean water leaks out through the water leakage holes 154 communicated with the closed cavity 153 and wets the cleaning cloth 151, then when the touch panel 6 moves to the limit and cannot move downwards continuously due to stress, the stop lever 9 moving along with the support plate 121 on the outer side of the touch panel 6 moves downwards synchronously, and the U-shaped rod 902 of the stop lever 9 is matched with the cleaning assembly, so that the stop lever 9 does not limit the cleaning assembly, at this time, the second elastic element 133 and the third elastic element 1522 recover to deform respectively, the second elastic element 133 pushes the mounting plate 14 and the cleaning assembly connected with the mounting plate 14 to move on the raman spectrum probe 2, so as to wipe dust on the probe lens, thereby improving the wiping effect on the probe lens, and ensuring the detection precision of the instrument, and the third elastic element 1522 pushes the second piston 1521 to move back and extract clean water in the water storage cavity 155 for next dust removal.
Example 5:
referring to fig. 5 and 6, the raman spectroscopy detection system based on the internet of things is the same as that in embodiment 4, further, a sliding groove 141 is formed in an outer wall of the mounting plate 14, inner walls of two sides of the sliding groove 141 are connected with fourth elastic elements 142, a sliding block 143 is connected between the two fourth elastic elements 142, the sliding block 143 is slidably connected in the sliding groove 141, the sliding block 143 is fixedly connected with a connecting rod 144, the inner wall of the movable cavity 8 is connected with a plurality of fifth elastic elements 16, one end of each fifth elastic element 16, which is far away from the movable cavity 8, is connected with a supporting plate 161, and the supporting plate 161 is movably supported against the flat plate 15.
Further, the outer end surface of the bottom of the abutting plate 161 is chamfered.
Specifically, when the cleaning assembly moves on the probe, the fifth elastic element 16 pushes the abutting plate 161 to abut against the cleaning assembly, the fourth elastic element 142 deforms, so that the cleaning assembly moves downwards, the cleaning cloth 151 is further abutted against the probe tightly, the wiping effect of the probe is further improved, the detection precision of the probe is further improved, and the side face of the bottom of the abutting plate 161 is provided with a chamfer so that the cleaning assembly can enter between the abutting plate 161 and the probe conveniently.
The invention also discloses a Raman spectrum detection method based on the Internet of things, which is applied to the Raman spectrum detection system based on the Internet of things, and the method comprises the following steps:
s1: when the raman spectrometer 1 is used, firstly, the probe protective cover 4 on the outer side of the mounting seat 3 is taken down, at the moment, the light path through hole 7 is blocked by the shading mechanism, so that the light path through hole 7 is aligned to an article to be detected, and the collision plate 6 is abutted to the article to be detected;
s2: when the abutting plate 6 abuts against an object, the abutting plate 6 is forced to approach the base 5, in the process, the abutting plate 6 pushes the sliding blocks 502 to slide in the sliding grooves 501 through the connecting rods 503, so that the four sliding blocks 502 are far away from the axes of the light path through holes 7, the light path through holes 7 are further exposed, and laser emitted by the Raman spectrum probe 2 can be emitted to the object to be detected from the light path through holes 7 and receives Raman scattering spectra from a sample;
s3: when the abutting plate 6 is forced to approach the base 5, the abutting plate 6 applies force to the elastic extension tube 12 through the support plate 121, so that the elastic extension tube 12 is forced to be compressed, gas in the elastic extension tube 12 is squeezed into the pneumatic cavity 11 and enters the pneumatic tube 13 through the pneumatic cavity 11, the gas applies force to the first piston 131, the first piston 131 moves in the pneumatic tube 13, the first elastic element 132 is stretched, the second elastic element 133 is compressed under the blocking of the blocking rod 9 to the cleaning assembly, the blocking rod 9 does not abut against the cleaning assembly initially, and the abutting plate 6 abuts against the cleaning assembly first time after moving downwards;
s4: the second elastic element 133 applies force to the mounting plate 14 when being stressed and compressed, the mounting plate 14 applies force to the second piston 1521 and the third elastic element 1522 through the connecting rod 144, the third elastic element 1522 is compressed, the second piston 1521 extrudes clean water in the groove 152 to enter the closed cavity 153, the water leakage holes 154 communicated with the closed cavity 153 leak the clean water and wet the cleaning cloth 151, and therefore the dust removal effect of the cleaning cloth 151 on the Raman spectrum probe 2 is guaranteed;
s5: then, when the touch panel 6 is forced to move to the limit and cannot move downwards continuously, the stop lever 9 moving along with the support plate 121 on the outer side of the touch panel 6 moves downwards synchronously, the U-shaped rod 902 of the stop lever 9 is matched with the cleaning assembly, the cleaning assembly can move in the U-shaped rod 902, so that the stop lever 9 does not limit the cleaning assembly any more, at this time, the second elastic element 133 and the third elastic element 1522 recover to deform respectively, the second elastic element 133 pushes the mounting plate 14 and the cleaning assembly connected with the mounting plate 14 to move on the raman spectrum probe 2 to wipe dust on the probe lens, and the third elastic element 1522 pushes the second piston 1521 to move back and extract clean water in the water storage cavity 155 for next dust removal;
s6: when treating and detecting article and examining article, if change article of waiting to examine during, conflict board 6 no longer supports with the article that originally detected and presses, and conflict board 6 pushes the recovering normal position of conflict board 6 under the flexible pipe 12 of elasticity effect, and it drives sliding block 502 through connecting rod 503 and is close to each other to support touch board 6 this moment for four sliding blocks 502 carry out the shutoff to light path through-hole 7 again, and laser passes through light path through-hole 7 during avoiding and damages people or thing.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. Raman spectrum detection system based on Internet of things, comprising a Raman spectrometer (1) and a Raman spectrum probe (2) arranged on the Raman spectrometer (1), and is characterized in that a mounting seat (3) is arranged outside the Raman spectrum probe (2), a probe protective cover (4) is detachably arranged on the outer wall of the mounting seat (3), a base (5) is connected to the top of the mounting seat (3), a touch plate (6) is arranged on the base (5), light path through holes (7) for laser emission of the Raman spectrum probe (2) are formed in the mounting seat (3), the base (5) and the touch plate (6), a shading mechanism for blocking the light path through holes (7) is arranged between the base (5) and the touch plate (6), a movable cavity (8) is further arranged in the base (5), and a dust removal mechanism for cleaning the Raman spectrum probe (2) is arranged in the movable cavity (8), and the light shading mechanism drives the dust removal mechanism to carry out dust removal operation on the Raman spectrum probe (2).
2. The Raman spectrum detection system based on the Internet of things as claimed in claim 1, wherein the shading mechanism comprises a plurality of sliding grooves (501) formed in a base (5), the number of the sliding grooves (501) is four, the four sliding grooves (501) are distributed circumferentially around a light path through hole (7), each sliding groove (501) is internally provided with a sliding block (502) in a sliding manner, the sliding blocks (502) and the abutting plates (6) are respectively provided with a U-shaped plate (10), and a connecting rod (503) is movably connected between the two U-shaped plates (10).
3. The Raman spectrum detection system based on the Internet of things of claim 2, wherein a fixed rod (5011) is connected to the inner wall of the sliding groove (501), and a movable groove (5021) matched with the fixed rod (5011) is formed in the sliding block (502).
4. The Raman spectrum detection system based on the Internet of things of claim 2, wherein the dust removal mechanism comprises a pneumatic cavity (11) arranged in the mounting base (3), the upper side and the lower side of the pneumatic cavity (11) are respectively communicated with an elastic telescopic pipe (12) and a pneumatic pipe (13) through air pipes, the elastic telescopic pipe (12) is connected to the base (5), one end, away from the base (5), of the elastic telescopic pipe (12) is connected with a support plate (121), the support plate (121) is fixedly connected with a collision plate (6), the pneumatic pipe (13) is arranged in the movable cavity (8) through a support, the inner wall of the pneumatic pipe (13) is slidably connected with a first piston (131), two sides of the outer wall of the first piston (131) are respectively connected with a first elastic element (132) and a second elastic element (133), and the first elastic element (132) is arranged between the first piston (131) and the inner wall of the pneumatic pipe (13), one end, far away from the first piston (131), of the second elastic element (133) is connected with a cleaning assembly, and the cleaning assembly is movably abutted to the Raman spectrum probe (2).
5. The Raman spectrum detection system based on the Internet of things is characterized in that the cleaning assembly comprises a mounting plate (14) fixedly connected with a second elastic element (133), a connecting rod (144) is arranged on the mounting plate (14), one end, far away from the mounting plate (14), of the connecting rod (144) is connected with a flat plate (15), the outer wall of the flat plate (15) is connected with cleaning cloth (151), and the cleaning cloth (151) is movably abutted to the Raman spectrum probe (2).
6. The Raman spectrum detection system based on the Internet of things of claim 5, wherein the cleaning assembly further comprises a blocking rod (9) connected with the support plate (121), the blocking rod (9) is movably abutted against the cleaning assembly, and the blocking rod (9) comprises two straight rods (901) and a U-shaped rod (902) connected between the two straight rods (901).
7. The Internet of things-based Raman spectrum detection system of claim 5, a groove (152) is formed in the flat plate (15), a second piston (1521) is connected to the inner wall of the groove (152) in a sliding manner, a third elastic element (1522) is arranged between the second piston (1521) and the inner wall of the groove (152), one end of the second piston (1521) far away from the third elastic element (1522) is fixedly connected with the connecting rod (144), a closed cavity (153) is also arranged in the flat plate (15), the closed cavity (153) is communicated with the groove (152) through a one-way valve, the bottom wall of the flat plate (15) is provided with a plurality of water leakage holes (154) which are uniformly distributed and mutually communicated with the closed cavity (153), a water storage cavity (155) is further formed in the flat plate (15), and the water storage cavity (155) is connected with the groove (152) through a one-way valve.
8. The Raman spectrum detection system based on the Internet of things of claim 5, wherein a sliding groove (141) is formed in the outer wall of the mounting plate (14), the inner walls of two sides of the sliding groove (141) are connected with fourth elastic elements (142), a sliding block (143) is connected between the two fourth elastic elements (142), the sliding block (143) is connected in the sliding groove (141) in a sliding mode, the sliding block (143) is fixedly connected with a connecting rod (144), the inner wall of the movable cavity (8) is connected with a plurality of fifth elastic elements (16), one end, far away from the movable cavity (8), of each fifth elastic element (16) is connected with a resisting plate (161), and each resisting plate (161) is movably abutted against the flat plate (15).
9. The IOT-based Raman spectrum detection system according to claim 8, wherein the outer bottom end surface of the abutting plate (161) is chamfered.
10. An internet of things-based raman spectroscopy detection method applied to the internet of things-based raman spectroscopy detection system according to any one of claims 1 to 9, the method comprising:
s1: when the Raman spectrometer (1) is used, firstly, the probe protective cover (4) on the outer side of the mounting seat (3) is taken down, and at the moment, the light path through hole (7) is blocked by the shading mechanism, so that the light path through hole (7) is aligned to an article to be detected, and the contact plate (6) is pressed against the article to be detected;
s2: when the abutting plate (6) abuts against an article, the abutting plate (6) is stressed to be close to the base (5), in the process, the abutting plate (6) pushes the sliding blocks (502) to slide in the sliding grooves (501) through the connecting rods (503), the four sliding blocks (502) are far away from the axis of the light path through hole (7), the light path through hole (7) is exposed, and laser emitted by the Raman spectrum probe (2) can be emitted to an object to be detected from the light path through hole (7) and receives Raman scattering spectrum from a sample;
s3: when the abutting plate (6) is stressed to approach the base (5), the abutting plate (6) applies force to the elastic extension pipe (12) through the support plate (121), so that the elastic extension pipe (12) is stressed to be compressed, gas in the elastic extension pipe (12) is squeezed into the pneumatic cavity (11) and enters the pneumatic pipe (13) through the pneumatic cavity (11), the gas applies force to the first piston (131), the first piston (131) moves in the pneumatic pipe (13), the first elastic element (132) is stretched, the second elastic element (133) is compressed under the condition that the blocking rod (9) blocks the cleaning assembly, the blocking rod (9) does not abut against the cleaning assembly initially, and the blocking rod abuts against the cleaning assembly first time after the abutting plate (6) moves downwards;
s4: the second elastic element (133) exerts force on the mounting plate (14) when being stressed and compressed, the mounting plate (14) exerts force on the second piston (1521) and the third elastic element (1522) through the connecting rod (144), the third elastic element (1522) is compressed, the second piston (1521) extrudes clean water in the groove (152) to enter the closed cavity (153), and the water leakage holes (154) communicated with the closed cavity (153) leak the clean water and wet the cleaning cloth (151);
s5: then when the touch plate (6) is stressed to move to the limit and cannot move downwards continuously, the stop rod (9) moving along with the support plate (121) on the outer side of the touch plate (6) moves downwards synchronously, the U-shaped rod (902) of the stop rod (9) is matched with the cleaning assembly, so that the stop rod (9) does not limit the cleaning assembly any more, the second elastic element (133) and the third elastic element (1522) respectively recover deformation, the second elastic element (133) pushes the mounting plate (14) and the cleaning assembly connected with the mounting plate (14) to move on the Raman spectrum probe (2) to wipe dust on the probe lens, and the third elastic element (1522) pushes the second piston (1) to move back and extract clean water in the water storage cavity (152155) for next dust removal;
s6: when treating the detection article and examining the time measuring, if change the article of waiting to examine during, conflict board (6) no longer support with the article that originally detected and press, support touch panel (6) and push down touch panel (6) normal position that resumes under the effect of flexible pipe (12), touch panel (6) drive sliding block (502) through connecting rod (503) and are close to each other this moment for four sliding blocks (502) carry out the shutoff to light path through-hole (7) again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210022703.9A CN114441501B (en) | 2022-01-10 | 2022-01-10 | Raman spectrum detection system and method based on Internet of things |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210022703.9A CN114441501B (en) | 2022-01-10 | 2022-01-10 | Raman spectrum detection system and method based on Internet of things |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114441501A true CN114441501A (en) | 2022-05-06 |
| CN114441501B CN114441501B (en) | 2023-01-13 |
Family
ID=81367442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210022703.9A Active CN114441501B (en) | 2022-01-10 | 2022-01-10 | Raman spectrum detection system and method based on Internet of things |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114441501B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054360A (en) * | 2023-10-11 | 2023-11-14 | 华御祥茶科学研究院(深圳)有限公司 | Tea safety detection device based on spectrum detection technology |
| CN117269141A (en) * | 2023-09-26 | 2023-12-22 | 江苏暖阳半导体科技有限公司 | Raman spectrum detection system and laser Raman spectrometer thereof |
| CN118583794B (en) * | 2024-08-06 | 2024-09-27 | 鞍山天汇科技有限公司 | Methane gas monitoring device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019111953A1 (en) * | 2017-12-07 | 2019-06-13 | 三菱日立パワーシステムズ株式会社 | Raman scattered light acquisition device, composition analysis device comprising same, and gas turbine plant |
| CN111879751A (en) * | 2020-07-30 | 2020-11-03 | 上海化工院检测有限公司 | Trace sample detection device for enhancing Raman spectrum signals |
| CN112129740A (en) * | 2020-09-29 | 2020-12-25 | 华南理工大学 | Raman spectrum detection device and detection method |
-
2022
- 2022-01-10 CN CN202210022703.9A patent/CN114441501B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019111953A1 (en) * | 2017-12-07 | 2019-06-13 | 三菱日立パワーシステムズ株式会社 | Raman scattered light acquisition device, composition analysis device comprising same, and gas turbine plant |
| CN111879751A (en) * | 2020-07-30 | 2020-11-03 | 上海化工院检测有限公司 | Trace sample detection device for enhancing Raman spectrum signals |
| CN112129740A (en) * | 2020-09-29 | 2020-12-25 | 华南理工大学 | Raman spectrum detection device and detection method |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117269141A (en) * | 2023-09-26 | 2023-12-22 | 江苏暖阳半导体科技有限公司 | Raman spectrum detection system and laser Raman spectrometer thereof |
| CN117269141B (en) * | 2023-09-26 | 2024-04-30 | 江苏暖阳半导体科技有限公司 | Laser Raman spectrometer |
| CN117054360A (en) * | 2023-10-11 | 2023-11-14 | 华御祥茶科学研究院(深圳)有限公司 | Tea safety detection device based on spectrum detection technology |
| CN117054360B (en) * | 2023-10-11 | 2023-12-15 | 华御祥茶科学研究院(深圳)有限公司 | Tea safety detection device based on spectrum detection technology |
| CN118583794B (en) * | 2024-08-06 | 2024-09-27 | 鞍山天汇科技有限公司 | Methane gas monitoring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114441501B (en) | 2023-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114441501B (en) | Raman spectrum detection system and method based on Internet of things | |
| EP2615446A2 (en) | Apparatus for measuring transmittance of cover glass for photovoltaic cell | |
| CN105157584A (en) | On-line measurement apparatus and method of thickness of non-contact object | |
| JPS5833102A (en) | Method and device for inspecting form of frame glass,etc.and frame glass manufacturing device | |
| CN110966924A (en) | Detection device | |
| CN101206180B (en) | Lens module detecting device and detecting method | |
| CN115979187A (en) | Flatness checking device for displaying production of peep-proof film | |
| CN204789336U (en) | Navel orange nondestructive test device based on image processing | |
| CN106644204B (en) | Intensive toughened glass surface stress instrument | |
| CN105823780A (en) | Panel inspection apparatus and method | |
| CN108645794B (en) | Reflectivity detection equipment and detection method thereof | |
| CN117007601A (en) | Light guide plate defect detection device and method | |
| CN106839983B (en) | Stress quadratic element detects all-in-one | |
| CN208155845U (en) | A kind of new ultra-violet spectrophotometer | |
| CN103884655A (en) | Gas analyzer sample gas chamber apparatus | |
| CN212646492U (en) | Detection assembly and detection analyzer | |
| CN107144231A (en) | Quadratic Finite Element and angularity detection integral system | |
| TWI407168B (en) | Tray assembly, method of using same and apparatus for testing lens module | |
| CN103792178B (en) | Star changes test probe and using method thereof by material exposure test transmitance in-orbit | |
| CN204649607U (en) | A kind of Rapid food detection instrument | |
| EP1058111A3 (en) | Optical inspection system and method | |
| CN220399239U (en) | Automatic detection device for connecting rod | |
| CN116165143B (en) | Appearance defect detection device of polaroid | |
| CN108398200A (en) | The glass surface stress gauge of multistation filtering mechanism and the application filtering mechanism | |
| CN117269141B (en) | Laser Raman spectrometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |