CN112444494A - Spectral image analyzer for automatically detecting explosive dust - Google Patents
Spectral image analyzer for automatically detecting explosive dust Download PDFInfo
- Publication number
- CN112444494A CN112444494A CN202011199237.9A CN202011199237A CN112444494A CN 112444494 A CN112444494 A CN 112444494A CN 202011199237 A CN202011199237 A CN 202011199237A CN 112444494 A CN112444494 A CN 112444494A
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- analyzer
- spectral image
- automatically detecting
- telescopic
- placing table
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- 230000003595 spectral effect Effects 0.000 title claims abstract description 30
- 239000000428 dust Substances 0.000 title claims abstract description 25
- 239000002360 explosive Substances 0.000 title claims abstract description 23
- 238000002955 isolation Methods 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 210000002421 cell wall Anatomy 0.000 claims description 8
- 238000010191 image analysis Methods 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001012 protector Effects 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a spectral image analyzer for automatically detecting explosive dust, which comprises a placing table, wherein the middle part of the lower end of the placing table is provided with a sliding groove, the groove wall of the sliding groove is provided with a sliding limiting device, the left part and the right part of the lower end of the placing table are respectively provided with a rolling device, the middle part of the upper end of the placing table is fixedly provided with an analyzer, the front side of the middle part of the upper end of the placing table is provided with a telescopic protection device, the middle part of the upper end of the analyzer is provided with a heat dissipation groove, the groove wall of the heat dissipation groove is provided with an isolation device, and the front part of the left end and the front part of the right end of the isolation. According to the spectral image analyzer for automatically detecting explosive dust, the two groups of limiting plates are driven to penetrate into the two groups of limiting grooves through the sliding plate, so that the movable block is limited, the movable block is prevented from rotating, the roller is limited, and the stability of the analyzer is improved.
Description
Technical Field
The invention relates to the field of spectral image analyzer equipment, in particular to a spectral image analyzer for automatically detecting explosive dust.
Background
According to the working principle of modern spectral instruments, spectrometers can be divided into two main categories: classical spectrometers and new types of spectrometers. The classical spectroscopic instrument is an instrument based on the principle of spatial dispersion; the new spectroscopic instrument is an instrument built on the modulation principle. Classical spectroscopic instruments are all slit spectroscopic instruments. The modulation spectrometer is non-space light splitting, and adopts a circular hole light entering principle according to a light splitting principle of a dispersion component, and the modulation spectrometer can be divided into: prism spectrum appearance, diffraction grating spectrum appearance and interference spectrum appearance, the easy emergence roll of current automated inspection explosion dust thing's spectral image analysis appearance when using, stability has been reduced, influence spectral image analysis appearance's normal detection, the flower is scraped easily to the display screen of analysis appearance simultaneously, influences data display effect, spectral image analysis appearance can produce a large amount of heats simultaneously, the inside component of spectral image analysis appearance is burnt out easily to too much heat accumulation.
Disclosure of Invention
The invention mainly aims to provide a spectral image analyzer for automatically detecting explosive dust, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides an automatic detect spectral image analyzer of explosion dust thing, is including placing the platform, the lower extreme middle part of placing the platform has seted up the spout, the cell wall of spout is provided with slip stop device, the lower extreme left part and the lower extreme right part of placing the platform all are provided with a rolling device, the upper end middle part fixed mounting who places the platform has the analysis appearance, the front end upper portion fixed mounting of analysis appearance has the display screen, a recess has all been seted up to the right-hand member front portion and the left end front portion of analysis appearance, the upper end middle part front side of placing the platform is provided with flexible protector, the radiating groove has been seted up at the upper end middle part of analysis appearance, the cell wall of radiating groove is provided with isolating device, the left end front portion and the right-hand member front portion of isolating device all are provided with.
Preferably, slip stop device includes positive and negative threaded rod, positive and negative threaded rod runs through the front side cell wall and fixed mounting of spout has positive and negative motor, the surface front portion of positive and negative threaded rod and the equal threaded connection in surface rear portion have a slide, two the equal fixed mounting of lower extreme of slide has a limiting plate, positive and negative threaded rod alternates to connect and will slide stop device and place a swing joint at the cell wall of spout.
Preferably, the rolling device includes the fixed plate, the fixed plate is provided with two sets ofly, and the opposite face lower part of two sets of fixed plates alternates jointly and is connected with the pivot, the equal fixed mounting in surface front portion and the surface rear portion of pivot has a movable block, two a spacing groove has all been seted up to the right-hand member of movable block, the equal fixed mounting in front end and the rear end of pivot has a stop screw, two stop screw's the equal threaded connection in surface has a gyro wheel, two both sides around the lower extreme left part that the fixed plate difference fixed connection placed the platform and both sides are in the same place the rolling device with place a fixed connection.
Preferably, the telescopic protection device comprises a telescopic power machine and a telescopic rod, the telescopic rod is movably connected to the output end of the telescopic power machine, a U-shaped protection plate is fixedly mounted at the upper end of the telescopic rod, a connecting plate is fixedly mounted on the left wall of an inner cavity and the right portion of the inner cavity of the U-shaped protection plate, a limiting rod is connected to the upper ends of the two connecting plates in an inserting mode, and the telescopic power machine is fixedly connected to the front side of the middle portion of the upper end of the placing table to fixedly connect the telescopic protection device with the placing table.
Preferably, the isolation device comprises an isolation plate, a supporting block is fixedly mounted in the middle of the left end and the middle of the right end of the isolation plate, a limiting column is fixedly mounted in the middle of the lower end of each of the two supporting blocks, and the isolation plate is movably connected in the heat dissipation groove to movably connect the isolation device and the analyzer.
Preferably, the pushing device comprises a transverse block, a push rod is fixedly mounted at the lower end of the transverse block, a push block is fixedly mounted at the lower end of the push rod, and the transverse block is fixedly connected with the pushing device and the isolating device at the front part of the left end and the front part of the right end of the isolating device.
Preferably, the area size of the isolation device is matched with the size of the heat dissipation groove.
Preferably, the telescopic power machine is electrically connected with the telescopic rod, the two limiting rods are respectively positioned in the two groups of grooves, and the front wall of the inner cavity of the U-shaped protection plate is contacted with the front end of the analyzer.
Compared with the prior art, the invention has the following beneficial effects:
1. alternate at two sets of spacing inslots when driving two sets of limiting plates forward and backward movement through the slide to play limiting displacement to the movable block, prevent that the movable block from rotating, and then play the limiting displacement to the gyro wheel, prevent that the gyro wheel from rolling by oneself, improved the stability of analysis appearance, ensure the normal work of analysis appearance.
2. Drive the place ahead of display screen in through the telescopic link and move up the protection plate to play the guard action to the display screen, prevent that the display screen from taking place to scrape colored phenomenon, the display effect of guarantee data, U-shaped protection plate is made by transparent plastic simultaneously, can see through the display formation of image that the display screen was seen to the U-shaped protection plate.
3. The U-shaped protection plate pushes the push block and the push rod to move upwards, and then the isolation plate is driven to be separated from the heat dissipation groove when moving upwards, so that the heat dissipation groove is in an unblocked state, heat in the analyzer is discharged through the heat dissipation groove by utilizing air convection, the heat is prevented from accumulating in the analyzer, and internal elements are protected.
Drawings
FIG. 1 is an overall structure diagram of a spectral image analyzer for automatically detecting explosive dusts according to the present invention;
FIG. 2 is a view of the whole structure of a heat sink of the spectral image analyzer for automatically detecting explosive dust in accordance with the present invention;
FIG. 3 is an overall structure diagram of a sliding position-limiting device of a spectral image analyzer for automatically detecting explosive dust;
FIG. 4 is an overall structure diagram of a rolling device of a spectral image analyzer for automatically detecting explosive dust according to the present invention;
FIG. 5 is a view of the overall structure of the telescopic protection device of the spectral image analyzer for automatically detecting explosive dust in accordance with the present invention;
FIG. 6 is a view of the overall structure of the pushing device of the spectral image analyzer for automatically detecting explosive dust in accordance with the present invention;
fig. 7 is an overall structure diagram of an isolation device of a spectral image analyzer for automatically detecting explosive dust according to the present invention.
In the figure: 1. a placing table; 2. a chute; 3. a sliding limiting device; 4. a rolling device; 5. an analyzer; 6. a display screen; 7. a groove; 8. a telescopic protection device; 9. a heat sink; 10. an isolation device; 11. a pushing device; 31. a positive and negative threaded rod; 32. a positive and negative motor; 33. a slide plate; 34. a limiting plate; 41. a fixing plate; 42. a rotating shaft; 43. a movable block; 44. a limiting groove; 45. a limit screw; 46. a roller; 81. a telescopic power machine; 82. a telescopic rod; 83. a U-shaped protection plate; 84. a connecting plate; 85. a limiting rod; 101. a separator plate; 102. a support block; 103. a limiting column; 111. a transverse block; 112. a push rod; 113. and (7) pushing the block.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-7, a spectral image analyzer for automatically detecting explosive dust comprises a placing table 1, a chute 2 is disposed in the middle of the lower end of the placing table 1, a sliding limiting device 3 is disposed on the chute wall of the chute 2, a rolling device 4 is disposed on each of the left portion and the right portion of the lower end of the placing table 1, an analyzer 5 is fixedly mounted in the middle of the upper end of the placing table 1, the explosive dust is automatically detected by the analyzer 5, a display screen 6 is fixedly mounted on the upper portion of the front end of the analyzer 5, the display screen 6 visually displays the detected data, a groove 7 is disposed on each of the front portion of the right end and the front portion of the left end of the analyzer 5, a telescopic protection device 8 is disposed on the front side of the middle of the upper end of the placing table 1, a heat dissipation groove 9 is disposed in the middle of the upper end of the analyzer 5, the heat dissipation groove 9 plays a role in, the wall of the heat sink 9 is provided with an isolation device 10, and the front part of the left end and the front part of the right end of the isolation device 10 are both provided with a pushing device 11.
The telescopic protection device 8 comprises a telescopic power machine 81 and a telescopic rod 82, the telescopic power machine 81 is a power machine capable of enabling the telescopic rod 82 to be in a telescopic state and an extension state, the telescopic rod 82 is movably connected to the output end of the telescopic power machine 81, a U-shaped protection plate 83 is fixedly installed at the upper end of the telescopic rod 82, the protection effect on the display screen 6 is achieved through the U-shaped protection plate 83, the display screen 6 is prevented from being scratched, a connecting plate 84 is fixedly installed on the left wall of an inner cavity and the right portion of the inner cavity of the U-shaped protection plate 83, a limiting rod 85 is connected to the upper ends of the two connecting plates 84 in a penetrating mode, the limiting rod 85 plays a limiting role on the U-shaped protection plate 83, the U-shaped protection plate 83 is prevented from being subjected to position deviation, and the telescopic.
Isolating device 10 includes division board 101, and the equal fixed mounting in left end middle part and the right-hand member middle part of division board 101 has a supporting shoe 102, and the equal fixed mounting in lower extreme middle part of two supporting shoes 102 has a spacing post 103, and division board 101 swing joint is with isolating device 10 and 5 swing joint of analysis appearance in radiating groove 9.
Thrust unit 11 includes horizontal piece 111, and the lower extreme fixed mounting of horizontal piece 111 has push rod 112, and the lower extreme fixed mounting of push rod 112 has ejector pad 113, and horizontal piece 111 fixed connection is at the anterior left end of isolating device 10 and the anterior right end of right-hand member with thrust unit 11 and isolating device 10 fixed connection.
The area of the isolation device 10 is matched with the size of the heat dissipation groove 9.
The telescopic power machine 81 and the telescopic rod 82 are electrically connected, the two limiting rods 85 are respectively positioned in the two groups of grooves 7, and the front wall of the inner cavity of the U-shaped protection plate 83 is contacted with the front end of the analyzer 5.
It should be noted that, the invention is a spectral image analyzer for automatically detecting explosive dust, the pushing roller 46 drives the rotating shaft 42 to rotate when rotating, so as to drive the movable block 43 to rotate to keep horizontal position relation with the placing table 1, the positive and negative motor 32 drives the positive and negative threaded rod 31 to rotate, so as to drive the two sets of sliding plates 33 to move away from each other when sliding back and forth along the positive and negative threaded rod 31, and further drive the two sets of limiting plates 34 to move back and forth, because the limiting plates 34 and the movable block 43 are on the same horizontal line, when the limiting plates 34 slide back and forth, the limiting plates are inserted into the two sets of limiting grooves 44, so as to limit the movable block 43, prevent the movable block 43 from rotating, further limit the roller 46, prevent the roller 46 from rolling, improve the stability of the analyzer 5, and ensure the normal work of the analyzer 5; the telescopic power machine 81 is used for driving the telescopic rod 82 to stretch, so that the telescopic rod 82 drives the U-shaped protection plate 83 to move upwards when being extended, the limiting rod 85 is arranged to limit the U-shaped protection plate 83, the U-shaped protection plate 83 is prevented from position deviation, the U-shaped protection plate 83 is arranged in front of the display screen 6 when moving upwards, so that the display screen 6 is protected, the display screen 6 is prevented from being scratched, the display effect of data is guaranteed, meanwhile, the U-shaped protection plate 83 is made of transparent plastic, and display imaging of the display screen 6 can be seen through the U-shaped protection plate 83; contact the bottom of ejector pad 113 when U-shaped guard plate 83 moves up to promote ejector pad 113 and push rod 112 and move up, thereby promote horizontal piece 111 and drive division board 101 upward movement when moving up, and then break away from radiating groove 9 when driving division board 101 upward movement, make radiating groove 9 be in unblocked state, utilize the air convection to pass through radiating groove 9 with the heat in the analysis appearance 5 and discharge, prevent that the heat from gathering in analysis appearance 5, protect its inside component.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an automatic detect spectral image analysis appearance of explosion dust thing, is including placing platform (1), its characterized in that: a sliding chute (2) is arranged in the middle of the lower end of the placing table (1), a sliding limiting device (3) is arranged on the chute wall of the sliding chute (2), the left part and the right part of the lower end of the placing table (1) are both provided with a rolling device (4), an analyzer (5) is fixedly arranged in the middle of the upper end of the placing table (1), a display screen (6) is fixedly arranged on the upper portion of the front end of the analyzer (5), the front part of the right end and the front part of the left end of the analyzer (5) are both provided with a groove (7), a telescopic protection device (8) is arranged at the front side of the middle part of the upper end of the placing table (1), the middle part of the upper end of the analyzer (5) is provided with a heat dissipation groove (9), the wall of the heat dissipation groove (9) is provided with an isolating device (10), and the front part of the left end and the front part of the right end of the isolating device (10) are respectively provided with a pushing device (11).
2. The spectral image analyzer for automatically detecting explosive dust according to claim 1, wherein: slip stop device (3) including positive and negative threaded rod (31), positive and negative threaded rod (31) run through the front side cell wall and fixed mounting of spout (2) have positive and negative motor (32), the surface front portion and the equal threaded connection in surface rear portion of positive and negative threaded rod (31) have one slide (33), two the equal fixed mounting of lower extreme of slide (33) has one limiting plate (34), positive and negative threaded rod (31) alternate to connect and will slide stop device (3) and place platform (1) swing joint at the cell wall of spout (2).
3. The spectral image analyzer for automatically detecting explosive dust according to claim 1, wherein: rolling device (4) are including fixed plate (41), fixed plate (41) are provided with two sets ofly, and the opposite face lower part of two sets of fixed plates (41) alternates jointly and be connected with pivot (42), the equal fixed mounting in surface front portion and the surface rear portion of pivot (42) has one movable block (43), two a spacing groove (44) has all been seted up to the right-hand member of movable block (43), the front end and the equal fixed mounting in rear end of pivot (42) have one stop screw (45), two the equal threaded connection in surface of stop screw (45) has one gyro wheel (46), two fixed plate (41) fixed connection respectively is in the same place rolling device (4) and place platform (1) fixed connection in both sides around the lower extreme left part of placing platform (1) and both sides around the lower extreme right part.
4. The spectral image analyzer for automatically detecting explosive dust according to claim 1, wherein: the telescopic protection device (8) comprises a telescopic power machine (81) and a telescopic rod (82), wherein the telescopic rod (82) is movably connected to the output end of the telescopic power machine (81), a U-shaped protection plate (83) is fixedly installed at the upper end of the telescopic rod (82), a connecting plate (84) is fixedly installed on the left wall and the right portion of an inner cavity of the U-shaped protection plate (83), a limiting rod (85) is connected to the upper ends of the two connecting plates (84) in an inserting mode, and the telescopic power machine (81) is fixedly connected to the front side of the middle portion of the upper end of the placing table (1) to fixedly connect the telescopic protection device (8) with the placing table (1).
5. The spectral image analyzer for automatically detecting explosive dust according to claim 1, wherein: the isolation device (10) comprises an isolation plate (101), a supporting block (102) is fixedly mounted in the middle of the left end and the middle of the right end of the isolation plate (101), a limiting column (103) is fixedly mounted in the middle of the lower end of the two supporting blocks (102), and the isolation plate (101) is movably connected with the isolation device (10) and the analyzer (5) in a heat dissipation groove (9).
6. The spectral image analyzer for automatically detecting explosive dust according to claim 1, wherein: pusher (11) includes horizontal piece (111), the lower extreme fixed mounting of horizontal piece (111) has push rod (112), the lower extreme fixed mounting of push rod (112) has ejector pad (113), horizontal piece (111) fixed connection is at the anterior left end and the anterior right end of isolating device (10) front with pusher (11) and isolating device (10) fixed connection.
7. The spectral image analyzer for automatically detecting explosive dust according to claim 1, wherein: the area of the isolation device (10) is matched with the size of the heat dissipation groove (9).
8. The spectral image analyzer for automatically detecting explosive dust according to claim 4, wherein: the telescopic power machine (81) is electrically connected with the telescopic rod (82), the two limiting rods (85) are respectively positioned in the two groups of grooves (7), and the front wall of the inner cavity of the U-shaped protection plate (83) is contacted with the front end of the analyzer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199237.9A CN112444494A (en) | 2020-11-01 | 2020-11-01 | Spectral image analyzer for automatically detecting explosive dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011199237.9A CN112444494A (en) | 2020-11-01 | 2020-11-01 | Spectral image analyzer for automatically detecting explosive dust |
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| Publication Number | Publication Date |
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| CN112444494A true CN112444494A (en) | 2021-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011199237.9A Pending CN112444494A (en) | 2020-11-01 | 2020-11-01 | Spectral image analyzer for automatically detecting explosive dust |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1413876A2 (en) * | 2002-10-25 | 2004-04-28 | General Dynamics Advanced Information Systems, Inc. | Multi-mode planar waveguide sensor, fabrication materials and techniques |
| CN207249287U (en) * | 2017-07-10 | 2018-04-17 | 黄莉 | A kind of display screen protection plate and display screen |
| CN108917017A (en) * | 2018-05-17 | 2018-11-30 | 芜湖撼江智能科技有限公司 | A kind of industrial plant air detecting device |
| CN209027997U (en) * | 2018-11-08 | 2019-06-25 | 武汉鹰飞拓光电子股份有限公司 | A kind of Portable Raman spectrometer |
| CN110057787A (en) * | 2019-05-17 | 2019-07-26 | 中世沃克(天津)科技发展股份有限公司 | Free silica detector of dust |
-
2020
- 2020-11-01 CN CN202011199237.9A patent/CN112444494A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1413876A2 (en) * | 2002-10-25 | 2004-04-28 | General Dynamics Advanced Information Systems, Inc. | Multi-mode planar waveguide sensor, fabrication materials and techniques |
| CN207249287U (en) * | 2017-07-10 | 2018-04-17 | 黄莉 | A kind of display screen protection plate and display screen |
| CN108917017A (en) * | 2018-05-17 | 2018-11-30 | 芜湖撼江智能科技有限公司 | A kind of industrial plant air detecting device |
| CN209027997U (en) * | 2018-11-08 | 2019-06-25 | 武汉鹰飞拓光电子股份有限公司 | A kind of Portable Raman spectrometer |
| CN110057787A (en) * | 2019-05-17 | 2019-07-26 | 中世沃克(天津)科技发展股份有限公司 | Free silica detector of dust |
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Application publication date: 20210305 |