CN107860688B - Dust detection device - Google Patents
Dust detection device Download PDFInfo
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- CN107860688B CN107860688B CN201711333947.4A CN201711333947A CN107860688B CN 107860688 B CN107860688 B CN 107860688B CN 201711333947 A CN201711333947 A CN 201711333947A CN 107860688 B CN107860688 B CN 107860688B
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- 239000000428 dust Substances 0.000 title claims abstract description 63
- 238000001514 detection method Methods 0.000 title claims abstract description 44
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 7
- 244000309464 bull Species 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002245 particle Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000009467 reduction 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
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
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- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a dust detection device, which comprises a rack, wherein a plurality of groups of supporting legs are symmetrically arranged on the bottom surface of the rack, a dust concentration sensor is arranged between the groups of supporting legs and positioned on the bottom surface of the rack in a matching manner, an outer box is arranged on the top surface of the rack, a sealing plug is arranged in a material taking port on the side wall of the bottom of the outer box in a matching manner, a dust collection box is arranged on one side of the sealing plug and positioned on the bottom surface inside the outer box, a controller is arranged on one side of the dust collection box and positioned on the bottom surface inside the outer box, a first exhaust fan is arranged on the other side of the dust collection box and positioned on the bottom surface inside the outer box, an air outlet end. The invention has the beneficial effects that: the detection device is simple and reasonable in structural design, can realize the detection of the components of dust, can effectively detect the dust concentration in a preset area, greatly improves the working efficiency of detection departments, and is suitable for popularization.
Description
Technical Field
The invention relates to the technical field of dust detection equipment, in particular to a dust detection device.
Background
Along with factors such as population growth and industrial development, a large amount of pollutants and suspended particles in various air are increased, the pollution degree of the air is increased, adverse effects are caused to life and body health of people, and the research on the technology for detecting the suspended particles in the air is not slow. The existing dust detection device has single function, is difficult to detect the components of dust, can not provide effective auxiliary measures for treating polluted air, leads to the great reduction of the working efficiency of detection departments, is not only unfavorable for the treatment of the environment, and reduces the urban appearance.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention provides a dust detection device to solve the above technical problems in the related art.
The technical scheme of the invention is realized as follows:
a dust detection device comprises a frame, wherein a plurality of groups of supporting legs are symmetrically arranged on the bottom surface of the frame, a dust concentration sensor is arranged between the groups of supporting legs and positioned on the bottom surface of the frame in a matching manner, an outer box is arranged on the top surface of the frame, a sealing plug is arranged in a material taking port on the side wall of the bottom of the outer box in a matching manner, a dust collection box is arranged on one side of the sealing plug and positioned on the bottom surface inside the outer box, a controller is arranged on one side of the dust collection box and positioned on the bottom surface inside the outer box, a first exhaust fan is arranged on the other side of the dust collection box and positioned on the bottom surface inside the outer box, an air outlet end of the first exhaust fan is connected with a dust inlet end of the dust collection box through a first material conveying pipe, a power supply is arranged on one side of the first exhaust fan and positioned on the bottom surface inside, the first gear is engaged with a second gear, the second gear is arranged in the middle of a rotating shaft movably connected with the inner side wall of the outer box, third gears are arranged on the rotating shaft and on two sides of the second gear, an inner box is arranged above the third gears and inside the outer box in a matching manner, racks are symmetrically arranged on two sides of the bottom surface of the inner box and are respectively and correspondingly engaged with the two third gears, a baffle is arranged on one side of the inner box and in the opening of the side wall of the outer box in a matching manner, a protective box is arranged on the top surface of the inner box, a connector is arranged on the bottom surface inside the protective box, a second exhaust fan is arranged on one side of the connector and in the bottom surface of the cover of the protective box in a matching manner, the second exhaust fan is connected with the connector through a gas pipe, and a rotating rod is arranged on one side of the second exhaust fan and on the top end of the connector, the inner cavity of the rotating rod is communicated with the inner cavity of the connector, a second motor is arranged on the other side of the connector and is positioned on the bottom surface inside the protective box, a fourth gear is arranged on an output shaft of the second motor and is positioned inside the protective box, a fifth gear is meshed with the fourth gear and is arranged on the rotating rod, the top end of the rotating rod penetrates through the top of the protective box and extends to the inside of the inner box, the partial sections of the rotating rod, which are positioned outside the protective box, are symmetrically provided with acquisition plates, a plurality of through holes are arranged between the two acquisition plates and on the rotating rod in a matching manner, a threaded rod is arranged above the rotating rod and inside the inner box in a matching manner, nuts are arranged on the threaded rod in a matching manner, connecting plates are symmetrically arranged on two sides of the nuts, vertical pipes are arranged on the bottom surfaces of the two connecting plates, and a plurality of suction nozzles are arranged on one side surface, which is, two vertical pipe is kept away from a side of baffle is provided with flexible pipe, two the equal accordant connection of flexible pipe one end has the second conveying pipeline, second conveying pipeline one end is run through the outer container just extends to the outer container outside, and set up first air exhauster air inlet is served, the threaded rod is kept away from the one end of baffle is run through the outer container just extends to the outer container outside to be provided with the sixth gear, the meshing has the seventh gear on the sixth gear, the seventh gear set up with on outer container lateral wall fixed connection's the third motor output shaft.
Furthermore, the bottom ends of the supporting legs are provided with anti-skidding sleeves.
Furthermore, the inner wall of the top of the outer box is symmetrically provided with guide rails at two sides, two slide blocks are arranged in the guide rail sliding grooves in a matching mode, and the bottom ends of the two slide blocks are arranged on the top surface of the inner box in a matching mode.
Further, the sealing plug is made of rubber.
Further, the controller is an SC200 general controller.
Further, the first motor, the second motor and the third motor are all stepping motors.
Furthermore, one end of the threaded rod close to the baffle is provided with a limiting block in a matching mode.
Furthermore, the port of the suction nozzle is of a horn-shaped structure.
The invention has the beneficial effects that: the detection device is moved to a preset position, and the power supply and the controller are arranged, so that the automation degree of the detection device can be greatly improved, the working efficiency of detection personnel is improved, and the practical value of the detection device is further ensured; the first motor is arranged to drive the first gear to rotate, so that the inner box moves out of the outer box, the second motor drives the fourth gear to rotate, the collecting plate rotates at a high speed, and dust in the air is attached to the collecting plate, so that the dust is collected, the working efficiency is improved, and the application value of the detection device is ensured; the second exhaust fan is arranged to enable the interior of the through hole to be in a negative pressure state, so that the collecting effect of the collecting plate can be further improved, and the working efficiency of the detection device is further ensured; make the inner box move into the outer container through setting up first motor to be in negative pressure state in making the suction nozzle through setting up first air exhauster, can be so that the dust on the collection board gets into the dust collection box in, and drive the threaded rod through the third motor and rotate, make the suction nozzle fully clear away the dust on the collection board, and send the check out test set through the dust with in the dust collection box, can effectively detect out the composition of dust, thereby guaranteed this detection device's practical value and economic benefits, and then make due contribution for improving air quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a dust detection device according to an embodiment of the present invention;
FIG. 2 is a side view of a dust detection device according to an embodiment of the present invention;
fig. 3 is a schematic view of an inner box of a dust detection apparatus according to an embodiment of the present invention.
In the figure:
1. a frame; 2. supporting legs; 3. a dust concentration sensor; 4. an outer box; 5. a sealing plug; 6. a dust collection box; 7. a controller; 8. a first exhaust fan; 9. a first feed delivery pipe; 10. a power source; 11. a first motor; 12. a first gear; 13. a second gear; 14. a rotating shaft; 15. a third gear; 16. an inner box; 17. a rack; 18. a baffle plate; 19. a protection box; 20. a connector; 21. a second exhaust fan; 22. a gas delivery pipe; 23. a rotating rod; 24. a second motor; 25. a fourth gear; 26. a fifth gear; 27. collecting a plate; 28. a through hole; 29. a threaded rod; 30. a nut; 31. a connecting plate; 32. a vertical tube; 33. a suction nozzle; 34. a telescopic pipe; 35. a second delivery pipe; 36. a sixth gear; 37. a seventh gear; 38. a third motor; 39. a guide rail; 40. a slider; 41. and a limiting block.
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. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
According to an embodiment of the present invention, there is provided a dust detection device.
As shown in FIGS. 1 to 3, the dust detection device according to the embodiment of the invention comprises a frame 1, wherein a plurality of groups of supporting legs 2 are symmetrically arranged on the bottom surface of the frame 1, a dust concentration sensor 3 is arranged between the groups of supporting legs 2 and is positioned on the bottom surface of the frame 1 in a matching manner, an outer box 4 is arranged on the top surface of the frame 1, a sealing plug 5 is arranged in a material taking port on the side wall of the bottom of the outer box 4 in a matching manner, a dust collection box 6 is arranged on one side of the sealing plug 5 and is positioned on the inner bottom surface of the outer box 4, a controller 7 is arranged on one side of the dust collection box 6 and is positioned on the inner bottom surface of the outer box 4, a first exhaust fan 8 is arranged on the other side of the dust collection box 6 and is positioned on the inner bottom surface of the outer box 4, an air outlet end of the first exhaust fan 8 is connected, a first motor 11 is arranged on the front side of the dust collection box 6 and on the bottom surface inside the outer box 4, a first gear 12 is arranged on an output shaft of the first motor 11, a second gear 13 is meshed with the first gear 12, the second gear 13 is arranged in the middle of a rotating shaft 14 movably connected with the inner side wall of the outer box 4, third gears 15 are arranged on two sides of the second gear 13 and on the rotating shaft 14, an inner box 16 is arranged above the third gears 15 and inside the outer box 4 in a matching manner, racks 17 are symmetrically arranged on two sides of the bottom surface of the inner box 16, the two racks 17 and the two third gears 15 are respectively correspondingly meshed with each other, a baffle 18 is arranged on one side of the inner box 16 and in an opening on the side wall of the outer box 4 in a matching manner, a protection box 19 is arranged on the top surface of the inner box 16, and a connector 20 is arranged on the bottom surface inside the protection box 19, connector 20 one side just is located 19 case lid bottom surfaces of guard box are matchedly provided with second air exhauster 21, second air exhauster 21 pass through the gas-supply pipe 22 with connector 20 is connected, just second air exhauster 21 one side just is located 20 top of connector matches and is provided with bull stick 23, just bull stick 2 inner chamber with the connector 20 inner chamber communicates with each other, connector 20 opposite side just is located 19 inside bottom surfaces of guard box is provided with second motor 24, just be located on the second motor 24 output shaft 19 inside is provided with fourth gear 25, the meshing has fifth gear 26 on the fourth gear 25, fifth gear 26 sets up on bull stick 23, bull stick 23 top is run through 19 top of guard box and is extended to inside the inner box 16, bull stick 23 is located the symmetry is provided with acquisition board 27 on the partial section of guard box 19 outside, a plurality of through holes 28 are formed between the two collecting plates 27 and on the rotating rod 23 in a matching manner, a threaded rod 29 is arranged above the rotating rod 23 and inside the inner box 16 in a matching manner, a nut 30 is arranged on the threaded rod 29 in a matching manner, connecting plates 31 are symmetrically arranged on two sides of the nut 30, vertical pipes 32 are arranged on the bottom surfaces of the two connecting plates 31, a plurality of suction nozzles 33 are arranged on one side surface of the two vertical pipes 32 close to each other in a matching manner, telescopic pipes 34 are arranged on one side surface of the two vertical pipes 32 far away from the baffle plate 18, one ends of the two telescopic pipes 34 are connected with a second conveying pipe 35 in a matching manner, one end of the second conveying pipe 35 penetrates through the outer box 4 and extends to the outer side of the outer box 4 and is arranged on the air inlet end of the first exhaust fan 8, and one end of the threaded rod 29 far away from the baffle plate 18 penetrates through, and is provided with a sixth gear 36, a seventh gear 37 is engaged on the sixth gear 36, and the seventh gear 37 is arranged on an output shaft of a third motor 38 fixedly connected with the outer side wall of the outer box 4.
In one embodiment, for the supporting legs 2, the bottom ends of the supporting legs 2 are provided with anti-skidding sleeves, so that the detection device can be prevented from sideslipping or toppling over when in operation, and the practicability of the detection device is ensured.
In one embodiment, for the outer box 4 and the inner box 16, the guide rails 39 are symmetrically arranged on both sides of the inner wall of the top of the outer box 4, the sliding grooves of the two guide rails 39 are internally provided with the sliding blocks 40 in a matching manner, and the bottom ends of the two sliding blocks 40 are arranged on the top surface of the inner box 16 in a matching manner, so that the structural stability of the inner box 16 during reciprocating movement in the outer box 4 can be improved, and the service life of the detection device is ensured.
In one embodiment, the sealing plug 5 is made of rubber, and the sealing plug 5 is made of rubber, so that the sealing performance of the sealing plug 5 can be ensured, and the practical value of the device is improved.
In one embodiment, for the controller 7, the controller 7 is an SC200 general controller, which may effectively improve the operation stability of the detection apparatus.
In one embodiment, for the first motor 11, the second motor 24 and the third motor 38, the first motor 11, the second motor 24 and the third motor 38 are all stepping motors, so that the working efficiency of the detection device can be further improved.
In one embodiment, for the threaded rod 29, a limit block 41 is arranged at one end of the threaded rod 29 close to the baffle 18 in a matching manner, so that the nut 30 can be prevented from moving excessively on the threaded rod 29, and the application value of the detection device is further improved.
In one embodiment, as for the suction nozzle 33, the port of the suction nozzle 33 is in a horn-shaped structure, which can further improve the dust suction effect of the suction nozzle 33, thereby further improving the working efficiency of the detection device.
In summary, by means of the above technical solution of the present invention, the automation degree of the detection device can be greatly improved by moving the detection device to the predetermined position and by arranging the power supply 10 and the controller 7, so as to improve the working efficiency of the detection personnel and further ensure the practical value of the detection device; the first motor 11 is arranged to drive the first gear 12 to rotate, so that the inner box 16 is moved out of the outer box 4, the second motor 24 is used to drive the fourth gear 25 to rotate, the collecting plate 27 is driven to rotate at a high speed, and dust in the air is attached to the collecting plate 27, so that the dust is collected, the working efficiency is improved, and the application value of the detection device is ensured; the second exhaust fan 21 is arranged to enable the interior of the through hole 28 to be in a negative pressure state, so that the collecting effect of the collecting plate 27 can be further improved, and the working efficiency of the detection device is further ensured; make inner box 16 move into outer container 4 through setting up first motor 11 to make and be in the negative pressure state in the suction nozzle 33 through setting up first air exhauster 8, can make the dust on the collection board 27 get into in the dust collection box 6, and drive threaded rod 29 through third motor 38 and rotate, make suction nozzle 33 fully clear away the dust on the collection board 27, and send the dust in the dust collection box 6 to check out test set, can effectively detect out the composition of dust, thereby guaranteed this detection device's practical value and economic benefits, and then make the contribution for improving air quality.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A dust detection device is characterized by comprising a rack (1), wherein a plurality of groups of supporting legs (2) are symmetrically arranged on the bottom surface of the rack (1), a dust concentration sensor (3) is arranged between the groups of supporting legs (2) and is positioned on the bottom surface of the rack (1) in a matching manner, an outer box (4) is arranged on the top surface of the rack (1), a sealing plug (5) is arranged in a material taking port on the side wall of the bottom of the outer box (4) in a matching manner, a dust collection box (6) is arranged on one side of the sealing plug (5) and is positioned on the inner bottom surface of the outer box (4), a controller (7) is arranged on one side of the dust collection box (6) and is positioned on the inner bottom surface of the outer box (4), a first exhaust fan (8) is arranged on the other side of the dust collection box (6) and is positioned on the inner bottom surface of the outer box (4), the air outlet end, a power supply (10) is arranged on one side of the first exhaust fan (8) and on the bottom surface inside the outer box (4), a first motor (11) is arranged on the front side of the dust collection box (6) and on the bottom surface inside the outer box (4), a first gear (12) is arranged on an output shaft of the first motor (11), a second gear (13) is meshed on the first gear (12), the second gear (13) is arranged in the middle of a rotating shaft (14) movably connected with the inner side wall of the outer box (4), third gears (15) are arranged on the rotating shaft (14) and on two sides of the second gear (13), an inner box (16) is arranged above the third gears (15) and inside the outer box (4) in a matching manner, racks (17) are symmetrically arranged on two sides of the bottom surface of the inner box (16), and the racks (17) and the two third gears (15) are respectively correspondingly and mutually meshed, the inner box (16) is arranged on one side of the outer box (4) and is provided with a baffle (18) in an opening in the side wall in a matching manner, the top surface of the inner box (16) is provided with a protection box (19), the inner bottom surface of the protection box (19) is provided with a connector (20), one side of the connector (20) is arranged on the bottom surface of the box cover of the protection box (19) in a matching manner and is provided with a second exhaust fan (21), the second exhaust fan (21) is connected with the connector (20) through a gas pipe (22), one side of the second exhaust fan (21) is arranged on the top end of the connector (20) in a matching manner and is provided with a rotating rod (23), the inner cavity of the rotating rod (23) is communicated with the inner cavity of the connector (20), the other side of the connector (20) is arranged on the inner bottom surface of the protection box (19) in a matching manner and is provided with a second motor (24), the output shaft of the second motor, a fifth gear (26) is meshed on the fourth gear (25), the fifth gear (26) is arranged on the rotating rod (23), the top end of the rotating rod (23) penetrates through the top of the protection box (19) and extends to the inside of the inner box (16), the rotating rod (23) is positioned on a partial section outside the protection box (19) and is symmetrically provided with acquisition plates (27), a plurality of through holes (28) are formed between the acquisition plates (27) and on the rotating rod (23) in a matching manner, a threaded rod (29) is arranged above the rotating rod (23) and inside the inner box (16) in a matching manner, a nut (30) is arranged on the threaded rod (29) in a matching manner, connecting plates (31) are symmetrically arranged on two sides of the nut (30), vertical pipes (32) are arranged on the bottom surfaces of the connecting plates (31), and a plurality of suction nozzles (33) are arranged on one side surface, close to the vertical pipes (32), two vertical pipe (32) are kept away from a side of baffle (18) is provided with flexible pipe (34), two the equal accordant connection of flexible pipe (34) one end has second conveying pipeline (35), second conveying pipeline (35) one end is run through outer container (4) and is extended to the outer container (4) outside, and set up first air exhauster (8) air inlet is served, threaded rod (29) are kept away from the one end of baffle (18) is run through outer container (4) and is extended to the outer container (4) outside to be provided with sixth gear (36), the meshing has seventh gear (37) on sixth gear (36), seventh gear (37) set up with on outer container (4) lateral wall fixed connection's third motor (38) output shaft.
2. A dust detection device according to claim 1, wherein the bottom ends of the support legs (2) are provided with anti-slip sleeves.
3. A dust detecting device according to claim 1, wherein the two sides of the top inner wall of the outer box (4) are symmetrically provided with guide rails (39), sliding grooves of the two guide rails (39) are internally provided with sliding blocks (40) in a matching manner, and the bottom ends of the two sliding blocks (40) are arranged on the top surface of the inner box (16) in a matching manner.
4. A dust detection device according to claim 1, characterized in that the sealing plug (5) is made of rubber.
5. A dust detection device according to claim 1, wherein the controller (7) is an SC200 general controller.
6. A dust detecting apparatus according to claim 1, wherein the first motor (11), the second motor (24) and the third motor (38) are stepping motors.
7. A dust detection device according to claim 1, wherein a limit block (41) is disposed at one end of the threaded rod (29) close to the baffle (18).
8. A dust detection device according to claim 1, wherein the port of the suction nozzle (33) is a trumpet-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333947.4A CN107860688B (en) | 2017-12-14 | 2017-12-14 | Dust detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333947.4A CN107860688B (en) | 2017-12-14 | 2017-12-14 | Dust detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107860688A CN107860688A (en) | 2018-03-30 |
| CN107860688B true CN107860688B (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711333947.4A Active CN107860688B (en) | 2017-12-14 | 2017-12-14 | Dust detection device |
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| Country | Link |
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| CN (1) | CN107860688B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593508A (en) * | 2018-04-20 | 2018-09-28 | 江苏燕宁工程咨询有限公司 | A kind of road construction airborne dust monitoring device |
| CN108680475A (en) * | 2018-05-14 | 2018-10-19 | 芜湖致新信息科技有限公司 | A kind of dust investigating for industry |
| CN109238790A (en) * | 2018-10-31 | 2019-01-18 | 江苏迈尚环保科技有限公司 | A kind of multipassage rotary formula air granule sampler and its application method |
| CN111275933B (en) * | 2020-03-15 | 2022-07-12 | 山东全员本安教育咨询有限公司 | Safety detection alarm device used in workshop |
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| CN102564792A (en) * | 2012-01-04 | 2012-07-11 | 中国海洋石油总公司 | Loading device for entirely applying simulative load to ocean work-over rig |
| CN202617531U (en) * | 2012-04-26 | 2012-12-19 | 厦门尚为科技有限公司 | Casing used for monitor |
| CN205132081U (en) * | 2015-09-30 | 2016-04-06 | 广州市欧玛灯光设备有限公司 | Novel flight case |
| CN207991996U (en) * | 2017-12-14 | 2018-10-19 | 百奥森（江苏）食品安全科技有限公司 | A kind of dust investigating |
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2017
- 2017-12-14 CN CN201711333947.4A patent/CN107860688B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102564792A (en) * | 2012-01-04 | 2012-07-11 | 中国海洋石油总公司 | Loading device for entirely applying simulative load to ocean work-over rig |
| CN102564792B (en) * | 2012-01-04 | 2014-07-16 | 中国海洋石油总公司 | Loading device for entirely applying simulative load to ocean work-over rig |
| CN202617531U (en) * | 2012-04-26 | 2012-12-19 | 厦门尚为科技有限公司 | Casing used for monitor |
| CN205132081U (en) * | 2015-09-30 | 2016-04-06 | 广州市欧玛灯光设备有限公司 | Novel flight case |
| CN207991996U (en) * | 2017-12-14 | 2018-10-19 | 百奥森（江苏）食品安全科技有限公司 | A kind of dust investigating |
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| Publication number | Publication date |
|---|---|
| CN107860688A (en) | 2018-03-30 |
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