CN115248205B - Laser-induced breakdown spectrometer - Google Patents
Laser-induced breakdown spectrometer Download PDFInfo
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- CN115248205B CN115248205B CN202210785069.4A CN202210785069A CN115248205B CN 115248205 B CN115248205 B CN 115248205B CN 202210785069 A CN202210785069 A CN 202210785069A CN 115248205 B CN115248205 B CN 115248205B
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- 230000015556 catabolic process Effects 0.000 title claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 57
- 239000004744 fabric Substances 0.000 claims abstract description 57
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000002536 laser-induced breakdown spectroscopy Methods 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 12
- 241000883990 Flabellum Species 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000007790 scraping Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000000295 emission spectrum Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
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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
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/718—Laser microanalysis, i.e. with formation of sample plasma
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
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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
- G01N21/01—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
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention belongs to the field of spectrometers, in particular to a laser-induced breakdown spectrometer which comprises a spectrometer body and a detection lens, wherein the detection lens is arranged at one end of the spectrometer body, and a handle is fixedly arranged at the bottom of the spectrometer body; the top of the spectrometer body is fixedly provided with a plurality of groups of inverted L-shaped hollow brackets, the interiors of the brackets are connected with sliding rods in a sliding manner, and springs are fixedly arranged in the brackets; according to the invention, the length of the slide bar can be changed according to the shape of an object to be detected, and the slide bar slides and contracts towards the direction of the bracket along with the waterproof cloth, so that the detection lens is closer to the object to be detected, and better detection data is obtained, and at the moment, the waterproof cloth is arranged above the detection lens to play a role in shielding rainwater, so that the rainwater is reduced from being sprayed onto the detection lens, and the normal use of the detection lens is affected.
Description
Technical Field
The invention belongs to the technical field of spectrometers, and particularly relates to a laser-induced breakdown spectrometer.
Background
The laser-induced breakdown spectroscopy is a detection instrument which is mostly used in outdoor metal detection, is a novel technology for generating a plasma emission spectrum by utilizing interaction of high-energy pulse laser and materials and performing element analysis, and has the advantage of simultaneously performing analysis of multiple elements; the method can truly realize the advantage of on-site rapid analysis under the condition of nondestructive or non-contact.
One Chinese patent with publication number CN111912832A discloses an adjustable photoelectric double-pulse laser-induced breakdown spectrometer, which has the technical scheme that: the movable platform is longitudinally connected with the inner side between the movable back-shaped sliding blocks through bolts. The movable seat, the movable shaft, the flat head lining rod, the supporting underframe, the connecting seat and the electric push rod are arranged, so that position adjustment is facilitated according to detection requirements, and detection operation requirements are met.
When the handheld laser-induced breakdown spectrometer is used in rainy and snowy days for detecting metal outdoors, the traditional laser-induced breakdown spectrometer does not have a device for protecting the detection lens, so that the detection lens is easy to enter water and is stained with water stains, and the normal detection of the laser-induced breakdown spectrometer is affected.
Accordingly, the present invention provides a laser-induced breakdown 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 relates to a laser-induced breakdown spectrometer, which comprises a spectrometer body and a detection lens, wherein one end of the spectrometer body is provided with the detection lens, and the bottom of the spectrometer body is fixedly provided with a handle; the top of the spectrometer body is fixedly provided with a plurality of groups of inverted L-shaped hollow brackets, the interiors of the brackets are connected with sliding rods in a sliding manner, springs are fixedly arranged in the brackets, the other ends of the springs are fixedly connected with the sliding rods, and waterproof cloth is arranged at one end, far away from the springs, of each sliding rod; when the handheld laser-induced breakdown spectroscopy is used for detecting metals outdoors in rainy and snowy days, as the traditional laser-induced breakdown spectroscopy does not have a device for protecting the detection lens, the detection lens is easy to enter water and is stained with water stains, so that normal detection of the laser-induced breakdown spectroscopy is affected.
Preferably, the two sides of the waterproof cloth are provided with first chamfers, and the top of the waterproof cloth is in a shape with a high middle and low two sides; during operation, the first chamfer has been seted up to the both sides of waterproof cloth for make things convenient for the rainwater to flow away, and the centre of waterproof cloth is high, and both sides are low, are in order to prevent that the rainwater from piling up, make things convenient for the rainwater to discharge through first chamfer, avoid the rainwater to pile up on waterproof cloth.
Preferably, a hollow fixing plate is fixedly arranged at one end of the sliding rod, which is far away from the spring, a plurality of rectangular rods are connected in a sliding manner in the fixing plate, a V-shaped elastic sheet is fixedly arranged at one end of each rectangular rod, the other end of each elastic sheet is fixedly connected with the inner wall of the fixing plate, and one side of the waterproof cloth is fixedly connected with each rectangular rod; when the waterproof cloth is used, the waterproof cloth is fixed on the fixed plate, and the waterproof cloth is fixed on the fixed plate.
Preferably, rectangular plates are fixedly arranged on two sides of the sliding rod, an arc-shaped pressing plate is fixedly arranged on one side of the rectangular plates, a hollow elastic block is fixedly arranged in the bracket, an air duct is fixedly arranged on one side of the elastic block, a baffle is fixedly arranged at one end, close to the detection lens, of the spectrometer body, a nozzle pipe is fixedly arranged in the baffle, and the other end of the air duct is fixedly connected with the nozzle pipe; during operation, when the rectangular rod slides and contracts, also can take fixed plate and slide bar to slide, when the slide bar moves in to the support, the support is taken rectangular plate and clamp plate and is moved together, and then let the hollow elastic block of arc clamp plate extrusion, the clamp plate is the arc and is for better laminating elastic block, the better extrudees the elastic block, hollow elastic block receives the extrusion back, gaseous in the elastic block can flow the logical inslot of nozzle pipe through the air duct, the rethread leads to the inslot blowout, spout the surperficial with gaseous to the detection camera lens on, blow away the remaining rainwater on the detection camera lens, thereby the use of convenient detection camera lens.
Preferably, a through groove is formed in the nozzle pipe, a sliding groove is formed in the through groove, a sliding block is connected in the sliding groove in a sliding mode, an elastic rope is fixedly connected in the sliding groove, the other end of the elastic rope is fixedly connected with the sliding block, a bottom plate is fixedly connected to the bottom of the sliding block, and fan blades are connected to the bottom of the bottom plate in a rotating mode; when the working, when gas blows out from the logical inslot, the gas slides to the direction of keeping away from the air duct together with the slider in the spout, and the slider slides together with elastic cord, bottom plate and flabellum for the flabellum is blown, and then rotates, and the flabellum blows out the gas dispersion that blows out in with logical inslot, and then realizes the effect of water conservancy diversion, thereby the gas that conveniently blows out is to the diversified cleanness of detecting the camera lens.
Preferably, the bottom of the bottom plate is rotationally connected with a rotating rod through a torsion spring, and the surface of the rotating rod is fixedly sleeved with cleaning cloth; when the bottom plate slides out of the groove, the bottom plate can slide together with the rotating rod, so that the surface of the cleaning cloth is attached to the surface of the detection lens, the cleaning cloth on the surface of the rotating rod wipes the detection lens, rainwater on the detection lens is wiped dry, and the lens is further cleaned.
Preferably, a welding plate is fixedly arranged on the surface of the fan blade, a second magnet is fixedly arranged at one end, far away from the fan blade, of the welding plate, and a first magnet is fixedly arranged at one side of the rotating rod; during operation, when the flabellum is rotating, can bring the second magnet on the welded plate to rotate together, and the second magnet can be close to the first magnet department on the dwang this moment, and then lets second magnet and first magnet homopolar repel for first magnet brings the dwang to rotate, makes the dwang bring clean more places that can clean, and then diversified cleans the detection lens.
Preferably, a through hole is formed in one side of the fan blade, an S-shaped plastic plate is fixedly arranged on the inner wall of the through hole, and a diversion hole penetrating through the plastic plate is formed in one side of the plastic plate; during operation, when gas blows out through the logical groove, the gas that receives under the flabellum this moment is less, lets gas flow under the flabellum through the through-hole on the flabellum, and can be guided by the plastic slab and the water conservancy diversion hole of "S" shape when gas passes the through-hole for gas blows out under the flabellum more evenly, and then realizes blowing under the flabellum, thereby lets gas blow away the rainwater on the detection lens, conveniently detects the camera lens.
Preferably, a second chamfer is formed at the bottom of the rotating rod, and a scraper made of rubber is fixedly arranged on the surface of the second chamfer; during operation, through having seted up the second chamfer in the bottom of dwang, install the scraper blade of rubber material in second chamfer department again, let the dwang when rotating the reset, can play the effect of further scraping to the surface that detects the camera lens through the scraper blade on the second chamfer, and curved scraper blade has better scraping effect to more convenient detection camera lens detects.
Preferably, an arc-shaped anti-slip pad is fixedly arranged on one side of the handle, and the anti-slip pad is arc-shaped; during operation, through the slipmat of installing the rubber material in handle department to play increase friction and skid-proof effect, avoid because there is the rainwater in handle department, thereby lead to the condition that the staff held the handle of not tight to take place, and curved slipmat plays the effect of adaptation finger shape, makes things convenient for the better more comfortable handle of holding of staff
The beneficial effects of the invention are as follows:
1. the invention provides a laser-induced breakdown spectrometer, wherein one end of a spectrometer body with a detection lens is close to an object to be detected, waterproof cloth at one end of a slide bar is firstly attached to the object to be detected, the slide bar can change the length according to the shape of the object to be detected, the slide bar slides and contracts along the direction of a bracket with the waterproof cloth, so that the detection lens is closer to the object to be detected, better detection data are obtained, the waterproof cloth is arranged above the detection lens, the function of shielding rainwater is achieved, and the rainwater is reduced from being sprayed onto the detection lens, thereby influencing the detection lens
2. The invention provides a laser-induced breakdown spectrometer, wherein first chamfers are arranged on two sides of waterproof cloth to facilitate rainwater drainage, the middle of the waterproof cloth is high, the two sides of the waterproof cloth are low to prevent rainwater accumulation, rainwater is conveniently discharged through the first chamfers, and rainwater accumulation on the waterproof cloth is avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a spectrometer body according to an embodiment of the invention;
FIG. 3 is an enlarged view of the portion A of FIG. 2 in accordance with an embodiment of the present invention;
fig. 4 is a schematic view showing a partial structure of a tarpaulin according to the first embodiment of the present invention;
FIG. 5 is a schematic view showing a partial structure of a baffle plate according to a first embodiment of the present invention;
FIG. 6 is an enlarged view of B in FIG. 5 in accordance with an embodiment of the present invention;
FIG. 7 is a schematic view showing a partial structure of a cleaning cloth according to a first embodiment of the present invention;
FIG. 8 is a schematic view of the structure of the handle in the second embodiment;
in the figure: 1. a spectrometer body; 2. a handle; 3. detecting a lens; 4. a bracket; 5. a slide bar; 6. waterproof cloth; 7. a spring; 8. a fixing plate; 9. a rectangular bar; 10. a spring plate; 11. a first chamfer; 12. a rectangular plate; 13. a pressing plate; 14. an elastic block; 15. an air duct; 16. a baffle; 17. a nozzle tube; 18. a through groove; 19. a chute; 20. a slide block; 21. an elastic rope; 22. a bottom plate; 23. a fan blade; 24. a rotating lever; 25. a cleaning cloth; 26. a first magnet; 27. welding plates; 28. a second magnet; 29. a through hole; 30. a plastic plate; 31. a deflector aperture; 32. a second chamfer; 33. a scraper; 34. an anti-slip mat.
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. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
referring to fig. 1-5, the laser-induced breakdown spectrometer according to the embodiment of the invention comprises a spectrometer body 1 and a detection lens 3, wherein the detection lens 3 is arranged at one end of the spectrometer body 1, and a handle 2 is fixedly arranged at the bottom of the spectrometer body 1; the top of the spectrometer body 1 is fixedly provided with a plurality of groups of inverted L-shaped hollow brackets 4, the inside of each bracket 4 is connected with a sliding rod 5 in a sliding manner, a spring 7 is fixedly arranged in each bracket 4, the other end of each spring 7 is fixedly connected with each sliding rod 5, and one end, far away from each spring 7, of each sliding rod 5 is provided with a waterproof cloth 6; when the handheld laser-induced breakdown spectroscopy is used for detecting metals outdoors in rainy and snowy days, as the traditional laser-induced breakdown spectroscopy does not have a device for protecting the detection lens 3, the detection lens 3 is easy to enter water and is full of water stains, so that normal detection of the laser-induced breakdown spectroscopy is affected.
The two sides of the waterproof cloth 6 are provided with first chamfers 11, and the top of the waterproof cloth 6 is in a shape with a high middle and a low two sides; in operation, the first chamfer 11 is set up in the both sides of waterproof cloth 6 in order to make things convenient for the rainwater to flow away, and the centre of waterproof cloth 6 is high, and both sides are low, is in order to prevent that the rainwater from piling up, makes things convenient for the rainwater to discharge through first chamfer 11, avoids the rainwater to pile up on waterproof cloth 6.
The inner side of the fixing plate 8 is fixedly connected with a waterproof cloth 6, and the inner side of the waterproof cloth 6 is fixedly connected with the rectangular rods 9; when the waterproof cloth 6 is attached to the detected object, the detected object is irregularly shaped, so that the rectangular rods 9 can be matched with the irregularly detected object, the elastic pieces 10 can slide and contract with the rectangular rods 9, the waterproof cloth 6 at one end of the rectangular rods 9 is always attached to the surface of the detected object, and gaps between the waterproof cloth 6 and the detected object are reduced.
The two sides of the sliding rod 5 are fixedly provided with rectangular plates 12, one side of each rectangular plate 12 is fixedly provided with an arc-shaped pressing plate 13, the inside of each bracket 4 is fixedly provided with a hollow elastic block 14, one side of each elastic block 14 is fixedly provided with an air duct 15, one end, close to the detection lens 3, of the spectrometer body 1 is fixedly provided with a baffle 16, the inside of each baffle 16 is fixedly provided with a nozzle pipe 17, and the other end of each air duct 15 is fixedly connected with the nozzle pipe 17; when the operation, when rectangular bar 9 slides and contracts, also can take fixed plate 8 and slide bar 5 to slide, when slide bar 5 moves in to support 4, support 4 takes rectangular plate 12 and clamp plate 13 together to remove, and then let arc clamp plate 13 extrude hollow elastic block 14, clamp plate 13 is the arc and is in order better laminating elastic block 14, better extrudees elastic block 14, hollow elastic block 14 receives the extrusion, the gas in the elastic block 14 can flow to the logical inslot 18 of nozzle tube 17 through air duct 15, the rethread leads to the inslot 18 blowout, with gas spray to detect on the surface of camera lens 3, blow away the rainwater that remains on the camera lens 3, thereby the use of convenient camera lens 3.
As shown in fig. 3-7, a through groove 18 is formed in the nozzle pipe 17, a sliding groove 19 is formed in the through groove 18, a sliding block 20 is slidably connected in the sliding groove 19, an elastic rope 21 is fixedly connected in the sliding groove 19, the other end of the elastic rope 21 is fixedly connected with the sliding block 20, a bottom plate 22 is fixedly connected to the bottom of the sliding block 20, and a fan blade 23 is rotatably connected to the bottom of the bottom plate 22; when the air is blown out from the through groove 18, the air slides along the sliding block 20 in the sliding groove 19 in a direction away from the air guide pipe 15, the sliding block 20 slides along the elastic rope 21, the bottom plate 22 and the fan blades 23, so that the fan blades 23 are blown, rotate, the fan blades 23 disperse and blow out the air blown out from the through groove 18, and then the flow guiding effect is realized, and the blown air is convenient to clean the detection lens 3 in multiple directions.
The bottom of the bottom plate 22 is rotatably connected with a rotating rod 24 through a torsion spring, and a cleaning cloth 25 is fixedly sleeved on the surface of the rotating rod 24; when the bottom plate 22 slides out of the groove, the bottom plate can slide together with the rotating rod 24, so that the surface of the cleaning cloth 25 is attached to the surface of the detection lens 3, the cleaning cloth 25 on the surface of the rotating rod 24 wipes the detection lens 3, rainwater on the detection lens 3 is wiped, and the lens is further cleaned.
The surface of the fan blade 23 is fixedly provided with a welding plate 27, one end, far away from the fan blade 23, of the welding plate 27 is fixedly provided with a second magnet 28, and one side of the rotating rod 24 is fixedly provided with a first magnet 26; when the fan blade 23 rotates, the second magnet 28 on the welding plate 27 is driven to rotate together, and at the moment, the second magnet 28 is close to the first magnet 26 on the rotating rod 24, so that the second magnet 28 and the first magnet 26 repel each other, the first magnet 26 drives the rotating rod 24 to rotate, the rotating rod 24 drives the cleaning cloth 25 to clean more places, and the detection lens 3 is cleaned in multiple directions.
A through hole 29 is formed in one side of the fan blade 23, an S-shaped plastic plate 30 is fixedly arranged on the inner wall of the through hole 29, and a diversion hole 31 penetrating through the plastic plate 30 is formed in one side of the plastic plate 30; during operation, when gas blows out through the through groove 18, the gas received under the fan blade 23 is less at this moment, through the through hole 29 on the fan blade 23, let gas flow to under the fan blade 23 through the through hole 29, and the gas can be guided by the plastic sheet 30 of "S" shape and the guiding hole 31 when passing through the through hole 29 for the gas blows out under the fan blade 23 more evenly, and then realizes blowing under the fan blade 23, thereby lets gas blow away the rainwater on the detection lens 3, conveniently detects the lens 3.
A second chamfer 32 is formed at the bottom of the rotating rod 24, and a scraper 33 made of rubber is fixedly arranged on the surface of the second chamfer 32; during operation, through having seted up second chamfer 32 in the bottom of dwang 24, install the scraper blade 33 of rubber material in second chamfer 32 department again, let dwang 24 when rotating and reset, can play the effect of further scraping to the surface of detecting the camera lens 3 through the scraper blade 33 on the second chamfer 32, and curved scraper blade 33 has better scraping effect to more convenient detecting the camera lens 3 detects.
Embodiment two:
as shown in fig. 8, in comparative example one, another embodiment of the present invention is:
an arc-shaped anti-slip pad 34 is fixedly arranged on one side of the handle 2, and the anti-slip pad 34 is arc-shaped; during operation, through the slipmat 34 of installing the rubber material in handle 2 departments to play increase friction and skid-proof effect, avoid because handle 2 departments have the rainwater, thereby lead to the staff to hold the condition emergence of not tight handle 2, and curved slipmat 34 plays the effect of adaptation finger shape, makes things convenient for the better more comfortable handle 2 of holding of staff.
Working principle: through bringing one end of the detecting lens 3 of the spectrometer body 1 and the detected object close to each other, at this moment, the waterproof cloth 6 at one end of the slide bar 5 is firstly attached to the detected object, the slide bar 5 can change the length according to the shape of the detected object, the slide bar 5 slides and contracts towards the bracket 4 along with the waterproof cloth 6, and then the detecting lens 3 is closer to the detected object, thereby obtaining better detecting data, at this moment, the waterproof cloth 6 plays the role of shielding rainwater above the detecting lens 3, rainwater is reduced to be sprayed onto the detecting lens 3, thereby influencing the normal use of the detecting lens 3, the two sides of the waterproof cloth 6 are provided with the first chamfers 11 for facilitating the rainwater to flow away, the middle of the waterproof cloth 6 is high, the two sides are low for preventing the rainwater from accumulating, the rainwater is conveniently discharged through the first chamfers 11, the rainwater is prevented from accumulating on the waterproof cloth 6, when the fixing plate 8 is attached to the detected object along one side of the waterproof cloth 6, because the detected object is irregularly shaped, a plurality of rectangular rods 9 can be matched with the irregularly detected object, the elastic sheet 10 can slide and contract with the rectangular rods 9, so that the waterproof cloth 6 at one end of the rectangular rods 9 is always attached to the surface of the detected object, the gap between the waterproof cloth 6 and the detected object is reduced, when the rectangular rods 9 slide and contract, the fixing plate 8 and the sliding rod 5 are also carried, when the sliding rod 5 moves into the bracket 4, the bracket 4 moves together with the rectangular plate 12 and the pressing plate 13, the arc-shaped pressing plate 13 presses the hollow elastic block 14, the pressing plate 13 is in an arc shape for better attaching the elastic block 14, the elastic block 14 is better pressed, the air in the elastic block 14 flows into the through groove 18 of the nozzle pipe 17 through the air duct 15 after the hollow elastic block 14 is pressed, then the air is sprayed out through the through groove 18 to blow off the residual rainwater on the detection lens 3, so that the detection lens 3 is convenient to use, when the air is blown out from the through groove 18, the air slides along the sliding block 20 in the sliding groove 19 along the direction away from the air duct 15, the sliding block 20 slides along the elastic rope 21, the bottom plate 22 and the fan blades 23, so that the fan blades 23 are blown, and then rotate, the fan blades 23 disperse and blow out the air blown out from the through groove 18, and then the diversion effect is realized, so that the blown air is convenient to clean the detection lens 3 in multiple directions, when the bottom plate 22 slides out of the groove, the rotating rod 24 slides along, so that the surface of the cleaning cloth 25 is attached to the surface of the detection lens 3, the cleaning cloth 25 on the surface of the rotating rod 24 wipes the detection lens 3, the rainwater on the detection lens 3 is wiped dry, therefore, when the fan blade 23 rotates, the second magnet 28 on the welding plate 27 is carried to rotate together, at the moment, the second magnet 28 is close to the first magnet 26 on the rotating rod 24, so that the second magnet 28 and the first magnet 26 are in the same polarity and repel each other, the first magnet 26 carries the rotating rod 24 to rotate, the rotating rod 24 carries the cleaning cloth 25 to clean more ground, and then the detection lens 3 is cleaned in multiple directions, when the air is blown out through the through groove 18, the air under the fan blade 23 is less, the air flows under the fan blade 23 through the through hole 29 on the fan blade 23, and the air is guided by the S-shaped plastic plate 30 and the guide hole 31 when the air passes through the through hole 29, so that the air is blown out more uniformly under the fan blade 23, and the air is blown under the fan blade 23, thereby let gaseous rainwater on with detecting lens 3 blow away, make things convenient for detecting lens 3 to detect, through having seted up second chamfer 32 in the bottom of dwang 24, again in the scraper blade 33 of second chamfer 32 department installation rubber material, let dwang 24 when rotating and reset, can play the effect of further scraping to detecting lens 3's surface through scraper blade 33 on the second chamfer 32, and curved scraper blade 33 has better scraping effect to more convenient detecting lens 3 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 foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications fall within the scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The laser-induced breakdown spectrometer comprises a spectrometer body (1) and a detection lens (3), wherein the detection lens (3) is arranged at one end of the spectrometer body (1), and a handle (2) is fixedly arranged at the bottom of the spectrometer body (1); the method is characterized in that: the spectrometer comprises a spectrometer body (1), wherein a plurality of groups of inverted L-shaped hollow brackets (4) are fixedly arranged at the top of the spectrometer body (1), sliding rods (5) are connected inside the brackets (4) in a sliding mode, springs (7) are fixedly arranged inside the brackets (4), the other ends of the springs (7) are fixedly connected with the sliding rods (5), and waterproof cloth (6) is arranged at one ends, far away from the springs (7), of the sliding rods (5);
the two sides of the waterproof cloth (6) are provided with first chamfers (11), and the top of the waterproof cloth (6) is in a shape with a high middle and a low two sides;
one end of the sliding rod (5) far away from the spring (7) is fixedly provided with a hollow fixed plate (8), the inside of the fixed plate (8) is connected with a plurality of rectangular rods (9) in a sliding manner, one end of each rectangular rod (9) is fixedly provided with a V-shaped elastic sheet (10), the other end of each elastic sheet (10) is fixedly connected with the inner wall of the fixed plate (8), and one side of the waterproof cloth (6) is fixedly connected with each rectangular rod (9);
the two sides of the sliding rod (5) are fixedly provided with rectangular plates (12), one side of each rectangular plate (12) is fixedly provided with an arc-shaped pressing plate (13), the inside of each bracket (4) is fixedly provided with a hollow elastic block (14), one side of each elastic block (14) is fixedly provided with an air duct (15), one end, close to the detection lens (3), of the spectrometer body (1) is fixedly provided with a baffle plate (16), the inside of each baffle plate (16) is fixedly provided with a nozzle pipe (17), and the other end of each air duct (15) is fixedly connected with the corresponding nozzle pipe (17);
the inside of nozzle pipe (17) has been seted up logical groove (18), spout (19) have been seted up to the inside of logical groove (18), the inside sliding connection of spout (19) has slider (20), the inside fixedly connected with elastic cord (21) of spout (19), the other end and the slider (20) fixed connection of elastic cord (21), the bottom fixedly connected with bottom plate (22) of slider (20), the bottom of bottom plate (22) rotates and is connected with flabellum (23).
2. A laser induced breakdown spectroscopy apparatus according to claim 1, wherein: the bottom of the bottom plate (22) is rotationally connected with a rotating rod (24) through a torsion spring, and a cleaning cloth (25) is fixedly sleeved on the surface of the rotating rod (24).
3. A laser-induced breakdown spectroscopy apparatus according to claim 2, wherein: the surface of the fan blade (23) is fixedly provided with a welding plate (27), one end, far away from the fan blade (23), of the welding plate (27) is fixedly provided with a second magnet (28), and one side of the rotating rod (24) is fixedly provided with a first magnet (26).
4. A laser induced breakdown spectroscopy apparatus according to claim 3, wherein: a through hole (29) is formed in one side of the fan blade (23), a plastic plate (30) which is in an S shape is fixedly arranged on the inner wall of the through hole (29), and a diversion hole (31) penetrating through the plastic plate (30) is formed in one side of the plastic plate.
5. The laser-induced breakdown spectroscopy apparatus of claim 4 wherein: the bottom of the rotating rod (24) is provided with a second chamfer (32), and a rubber scraper (33) is fixedly arranged on the surface of the second chamfer (32).
6. The laser-induced breakdown spectroscopy apparatus of claim 5 wherein: an arc-shaped anti-slip pad (34) is fixedly arranged on one side of the handle (2), and the anti-slip pad (34) is arc-shaped.
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