CN220271103U - Particle concentration detection device - Google Patents
Particle concentration detection device Download PDFInfo
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- CN220271103U CN220271103U CN202321955873.9U CN202321955873U CN220271103U CN 220271103 U CN220271103 U CN 220271103U CN 202321955873 U CN202321955873 U CN 202321955873U CN 220271103 U CN220271103 U CN 220271103U
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- particle concentration
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- cylinder
- concentration detection
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- 239000002245 particle Substances 0.000 title claims abstract description 53
- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 4
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 4
- 241001330002 Bambuseae Species 0.000 claims description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 4
- 239000011425 bamboo Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a particle concentration detection device, which comprises: the particle concentration detection device comprises a support base, wherein the top end of the support base is provided with a lifting assembly, and the top end of the lifting assembly is provided with a particle concentration detection assembly; the particle concentration detection assembly comprises a gas collecting box, and a plurality of gas inlet units capable of adjusting flow are arranged on the outer wall of the gas collecting box at equal intervals. According to the particle concentration detection device, external air is sucked into the detection cylinder through negative pressure generated by the operation of the air guide fan, and the flow rate of the external air entering the detection cylinder can be adjusted by adjusting the output rotating speed of the air guide fan; the air inflow of the air inlet groove is regulated by rotating the sealing plate, and the air inflow are matched with each other, so that the efficiency of detecting the concentration of air particles by the device is improved; and the outside air is guided through a plurality of air inlet units, so that the outside multidirectional air synchronously enters the detection cylinder, the uniformity of a detection sample is improved, the universality of the detection sample is ensured, and the accuracy of a detection result is improved.
Description
Technical Field
The utility model relates to the technical field of environment detection, in particular to a particle concentration detection device.
Background
In the prior art, when detecting the concentration of dust particles in the environment, a dust particle counting device is required. The dust particle counter is an instrument for measuring the number of dust particles and the particle size distribution per unit volume in a clean environment.
Through searching, the patent with the Chinese patent application number of 202122720129.8 discloses a dust particle concentration monitoring device which comprises a shell, a bottom plate, a lifting mechanism and a monitoring mechanism; the lifting mechanism comprises a control box and a support, a motor is installed at the top of an inner cavity of the control box, a first gear is connected to an output end of the bottom of the motor, second gears meshed with each other are arranged on two sides of the first gear, a threaded rod is fixedly connected to the top of the second gear, a threaded sleeve is sleeved on the surface of the top of the threaded rod, the top of the threaded sleeve penetrates through the bottom of a connecting shell of the control box, supports are installed on two sides of the control box, a sliding rod is arranged on the inner side of the support, a sliding sleeve is sleeved on the surface of the sliding rod, the sliding sleeve is connected with a connecting frame through a connecting rod, and the bottom of the connecting frame is fixed to the bottom of the shell. The monitoring mechanism comprises a fan and baffles, wherein the fan is arranged on one side of an inner cavity of the shell, fixing frames are arranged on the top and the bottom of the fan, the fixing frames are connected with the inner wall of the shell, dust particle counters are installed in the inner cavity of the shell, the two baffles are symmetrically installed in the shell, the two baffles are connected with the inner wall of the shell through movable blocks, an electric push rod is arranged on one side of the baffle, and the electric push rod is connected with the baffle and the inner wall of the shell through connecting pieces respectively.
The above patent suffers from the following disadvantages: the device adopts the lifting mechanism, solves the problem of poor monitoring effect, and achieves the effect of conveniently adjusting the monitoring height; however, in the practical use process, the device can only detect the particle concentration of air with a certain flow rate, the detected air can only enter the particle concentration detection device in one direction, the particle concentration in the air is different, the particle concentration of the air in one direction is detected, and the detection result has a certain limitation.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a particle concentration detection device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a particle concentration detection apparatus comprising: the particle concentration detection device comprises a support base, wherein the top end of the support base is provided with a lifting assembly, and the top end of the lifting assembly is provided with a particle concentration detection assembly;
the particle concentration detection assembly comprises a gas collecting box, a plurality of gas inlet units capable of adjusting flow are arranged on the outer wall of the gas collecting box at equal intervals, a second gas guide cylinder is fixedly connected to the top end of the gas collecting box, a detection cylinder is fixedly connected to the top end of the second gas guide cylinder, a particle counter is fixedly installed on one side of the detection cylinder, and a supporting frame is arranged at the bottom end of the particle counter;
the air inlet unit comprises a flow guide box, an air inlet groove is formed in one side of the flow guide box, an air guide groove is formed in the groove wall of one side of the air inlet groove, and a plurality of rotary sealing plates are arranged in the air inlet groove at equal intervals.
As still further aspects of the utility model: the inside of the rotary sealing plate is fixedly provided with a connecting pin shaft, the top end of the connecting pin shaft penetrates through the air guide groove and extends upwards, and the extending end of the connecting pin shaft is fixedly provided with a connecting gear.
As still further aspects of the utility model: one side of the connecting gears is connected with a multi-surface rack in a meshed mode, a limiting chute is formed in the top end of the flow guide box, and the multi-surface rack is slidably mounted in the limiting chute.
As still further aspects of the utility model: the top meshing of multiaspect rack is connected with drive gear, drive gear fixedly connected with servo motor, servo motor's bottom fixed mounting has the motor mount pad.
As still further aspects of the utility model: the top of detecting the section of thick bamboo fixed mounting has the connection closing cap, the top fixedly connected with gas cylinder III of connection closing cap, the top fixedly connected with outlet duct of gas cylinder III.
As still further aspects of the utility model: one end fixed mounting of outlet duct has the installation sleeve, installation sleeve's inside fixed mounting has the air guide fan, just installation sleeve's bottom fixed mounting has the locating rack arm.
As still further aspects of the utility model: the lifting assembly comprises a lifting hydraulic cylinder, a lifting connecting plate is fixedly arranged at the top of the telescopic end of the lifting hydraulic cylinder, and a limiting ring is fixedly connected to the upper surface of the lifting connecting plate.
Compared with the prior art, the utility model provides a particle concentration detection device, which has the following beneficial effects:
1. according to the particle concentration detection device, external air is sucked into the detection cylinder through negative pressure generated by the operation of the air guide fan, and the flow rate of the external air entering the detection cylinder can be adjusted by adjusting the output rotating speed of the air guide fan; the air inflow of the air inlet groove is adjusted by rotating the sealing plate, and the air inflow are matched with each other, so that the efficiency of detecting the concentration of air particles by the device is improved.
2. According to the particle concentration detection device, the outside air is guided through the plurality of air inlet units, so that the outside multidirectional air synchronously enters the detection cylinder, the uniformity of a detection sample is improved, the universality of the detection sample is ensured, and the accuracy of a detection result is improved.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.
Drawings
FIG. 1 is a schematic perspective view of the overall assembly of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
fig. 3 is a schematic view of a partially cut-away perspective structure of the overall assembly of the present utility model.
In the figure: 1. a support base; 2. moving the support leg; 3. a guide strut; 4. the connecting support arm; 5. a mounting base plate; 6. lifting the connecting plate; 7. a limiting ring; 8. a gas collecting tank; 9. a first air guide cylinder; 10. a second air guide cylinder; 11. a detection cylinder; 12. a particle counter; 13. a support frame; 14. connecting a sealing cover; 15. a third air guide cylinder; 16. an air outlet pipe; 17. a mounting sleeve; 18. an air guide fan; 19. positioning a frame arm; 20. a connecting seat; 21. a diversion box; 22. an air inlet groove; 23. an air guide groove; 24. rotating the sealing plate; 25. a connecting pin shaft; 26. a connecting gear; 27. a multi-sided rack; 28. limiting sliding grooves; 29. a drive gear; 30. a servo motor; 31. a motor mounting seat; 32. lifting hydraulic cylinders.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
A particle concentration detection apparatus, as shown in fig. 1 to 3, comprising: support base 1, the avris equidistance fixed mounting of support base 1 bottom has a plurality of removal supporting legs 2, and the position of the whole device of the adjustment of being convenient for, and the installation logical groove has been seted up on the top of support base 1.
The top of supporting base 1 is provided with lifting unit, and particle concentration detection subassembly is installed on lifting unit's top.
The lifting assembly comprises a lifting hydraulic cylinder 32, the lifting hydraulic cylinder 32 is fixedly arranged inside the mounting through groove, the bottom end of the lifting hydraulic cylinder 32 is provided with a mounting bottom plate 5, a plurality of connecting support arms 4 are fixedly connected to the side of the upper surface of the mounting bottom plate 5 at equal intervals, and the plurality of connecting support arms 4 are fixedly connected with the bottom end of the supporting base 1.
The telescopic end top fixed mounting who goes up and down the pneumatic cylinder 32 has lift connecting plate 6, and the upper surface fixedly connected with spacing ring 7 of lift connecting plate 6, and the lower surface equidistance fixed mounting of lift connecting plate 6 has a plurality of direction slide posts 3, and the bottom of direction slide post 3 runs through support base 1 and downwardly extending.
The particle concentration detection assembly comprises a gas collecting box 8, the gas collecting box 8 is fixedly arranged inside the limiting ring 7, a plurality of first gas cylinders 9 are fixedly connected to the outer wall of the gas collecting box 8 at equal intervals, and the first gas cylinders 9 are connected with gas inlet units capable of adjusting flow.
The air inlet unit comprises a guide box 21, an air inlet groove 22 is formed in one side, far away from the first air guide cylinder 9, of the guide box 21, an air guide groove 23 is formed in the groove wall, close to the first air guide cylinder 9, of the air inlet groove 22, the air guide groove 23 is communicated with the first air guide cylinder 9, a connecting seat 20 is fixedly mounted at the bottom end of the guide box 21, and the connecting seat 20 is fixedly mounted on the upper surface of the lifting connecting plate 6.
The air inlet groove 22 is provided with a plurality of rotary sealing plates 24 at equal intervals, and the side sides of the rotary sealing plates 24 can be mutually clamped to form a complete sealing plate to prevent external air from entering.
A connecting pin shaft 25 is fixedly arranged in the rotary sealing plate 24, the connecting pin shaft 25 is rotationally connected with the flow guide box 21, the top end of the connecting pin shaft 25 penetrates through the air guide groove 23 and extends upwards, and a connecting gear 26 is fixedly arranged at the extending end of the connecting pin shaft.
One side of a plurality of connecting gears 26 is connected with a multi-surface rack 27 in a meshed manner, a limiting chute 28 is formed in the top end of the flow guide box 21, the multi-surface rack 27 is slidably mounted in the limiting chute 28, and teeth are formed on the top of the multi-surface rack 27 and one side, far away from the first air guide cylinder 9.
The top of multiaspect rack 27 meshing is connected with drive gear 29, and drive gear 29 fixedly connected with servo motor 30, servo motor 30's bottom fixed mounting has motor mount pad 31 fixed mounting in the top of water conservancy diversion case 21.
The top fixedly connected with gas cylinder two 10 of gas chamber 8, gas cylinder two 10 and gas chamber 8 intercommunication, and the top integrated into one piece of gas cylinder two 10 has a detection section of thick bamboo 11, and the installation window has been seted up to one side of detection section of thick bamboo 11, and the inside fixed mounting of installation window has particle counter 12, and particle counter 12's bottom is provided with support frame 13, and support frame 13's bottom fixed mounting is in gas chamber 8's top.
The top of the detection cylinder 11 is fixedly provided with a connecting sealing cover 14, the connecting sealing cover 14 is used for sealing a mounting gap of a mounting window, the top of the connecting sealing cover 14 is integrally provided with a gas cylinder III 15, the top of the gas cylinder III 15 is fixedly connected with a gas outlet pipe 16, and as shown in fig. 3, a communication port between the gas cylinder III 15 and the gas outlet pipe 16 is obliquely arranged.
One end of the air outlet pipe 16 is fixedly provided with a mounting sleeve 17, the inside of the mounting sleeve 17 is fixedly provided with an air guide fan 18, the bottom end of the mounting sleeve 17 is fixedly provided with a positioning frame arm 19, and the positioning frame arm 19 is fixedly arranged at the top end of the connecting sealing cover 14.
Working principle:
referring to fig. 1 to 3, the present device is assembled as shown in fig. 1;
when the device is used, the device is moved to a designated position by moving the supporting legs 2, and then the working height of the particle concentration detection assembly is adjusted by the lifting hydraulic cylinder 32 according to actual use requirements;
after the operation is finished, the air guide fan 18 and the particle counter 12 are started, the servo motor 30 is controlled, the multi-face rack 27 is meshed and driven by the driving gear 29, the multi-face rack 27 is meshed and driven by the connecting gears 26, the connecting gears 26 drive the connecting pin shafts 25 to rotate, and then the rotating sealing plate 24 is driven to rotate, so that the air inlet groove 22 is completely opened;
the air guide fan 18 discharges air flow from the air outlet of the air outlet pipe 16, negative pressure is formed in the air guide cylinder III 15, external air is caused to pass through the air guide groove 23 through the air inlet groove 22 and enter the air guide cylinder I9, air in multiple directions is collected in the air collecting box 8 and then enters the detection cylinder 11, and the particle counter 12 detects the dust particle number of the air in the detection cylinder 11; the detected air is discharged through the air outlet pipe 16.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A particle concentration detection apparatus, characterized by comprising: the particle concentration detection device comprises a support base (1), wherein a lifting assembly is arranged at the top end of the support base (1), and a particle concentration detection assembly is arranged at the top end of the lifting assembly;
the particle concentration detection assembly comprises a gas collection box (8), a plurality of gas inlet units capable of adjusting flow are equidistantly arranged on the outer wall of the gas collection box (8), a second gas cylinder (10) is fixedly connected to the top end of the gas collection box (8), a detection cylinder (11) is fixedly connected to the top end of the second gas cylinder (10), a particle counter (12) is fixedly arranged on one side of the detection cylinder (11), and a supporting frame (13) is arranged at the bottom end of the particle counter (12);
the air inlet unit comprises a flow guide box (21), an air inlet groove (22) is formed in one side of the flow guide box (21), an air guide groove (23) is formed in the groove wall of one side of the air inlet groove (22), and a plurality of rotary sealing plates (24) are arranged in the air inlet groove (22) at equal intervals.
2. A particle concentration measuring apparatus as claimed in claim 1 wherein: the inside of the rotary sealing plate (24) is fixedly provided with a connecting pin shaft (25), the top end of the connecting pin shaft (25) penetrates through the air guide groove (23) and extends upwards, and the extending end of the connecting pin shaft is fixedly provided with a connecting gear (26).
3. A particle concentration measuring apparatus as claimed in claim 2 wherein: one side of a plurality of connecting gear (26) is connected with multiaspect rack (27) in a meshed manner, spacing spout (28) have been seted up on the top of water conservancy diversion case (21), multiaspect rack (27) slidable mounting is in spacing spout (28) inside.
4. A particle concentration measuring apparatus as claimed in claim 3 wherein: the top of multiaspect rack (27) meshing is connected with drive gear (29), drive gear (29) fixedly connected with servo motor (30), motor mount pad (31) are installed to the bottom fixed mounting of servo motor (30).
5. A particle concentration measuring apparatus as claimed in claim 1 wherein: the top of detection section of thick bamboo (11) fixed mounting has connection closing cap (14), the top fixedly connected with air guide cylinder III (15) of connection closing cap (14), the top fixedly connected with outlet duct (16) of air guide cylinder III (15).
6. The particle concentration measuring apparatus of claim 5, wherein: one end of the air outlet pipe (16) is fixedly provided with a mounting sleeve (17), the inside of the mounting sleeve (17) is fixedly provided with an air guide fan (18), and the bottom end of the mounting sleeve (17) is fixedly provided with a positioning frame arm (19).
7. A particle concentration measuring apparatus as claimed in claim 1 wherein: the lifting assembly comprises a lifting hydraulic cylinder (32), a lifting connecting plate (6) is fixedly arranged at the top of the telescopic end of the lifting hydraulic cylinder (32), and a limiting ring (7) is fixedly connected to the upper surface of the lifting connecting plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955873.9U CN220271103U (en) | 2023-07-25 | 2023-07-25 | Particle concentration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955873.9U CN220271103U (en) | 2023-07-25 | 2023-07-25 | Particle concentration detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220271103U true CN220271103U (en) | 2023-12-29 |
Family
ID=89299587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321955873.9U Active CN220271103U (en) | 2023-07-25 | 2023-07-25 | Particle concentration detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220271103U (en) |
-
2023
- 2023-07-25 CN CN202321955873.9U patent/CN220271103U/en active Active
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