CN112834396B - Air detection device capable of detecting waterproof vapor interference at different heights - Google Patents
Air detection device capable of detecting waterproof vapor interference at different heights Download PDFInfo
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- CN112834396B CN112834396B CN202011605484.4A CN202011605484A CN112834396B CN 112834396 B CN112834396 B CN 112834396B CN 202011605484 A CN202011605484 A CN 202011605484A CN 112834396 B CN112834396 B CN 112834396B
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000605 extraction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010419 fine particle Substances 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
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000003781 tooth socket Anatomy 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
- G01N15/06—Investigating concentration of particle suspensions
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Abstract
The invention relates to the technical field of PM2.5 detection, and discloses an air detection device capable of detecting waterproof vapor interference at different heights, which comprises a base, wherein a screw is connected to the left side of the base in a threaded manner, a sliding block is connected to the inner wall of the base in a sliding manner, a sliding rod is connected to the top of the base in a sliding manner, a detection box is fixedly connected to the top of the sliding rod, a swing door is movably connected to the right side of the detection box, a clamping tooth is connected to the inner wall of a driving wheel in a sliding manner, an exhaust pipe is fixedly connected to the bottom of the detection box, an exhaust rod is connected to the inner part of the exhaust pipe in a sliding manner, and a rotating wheel is fixedly connected to the inner wall of the base. This PM2.5 detection device that can detect not co-altitude vapor interference, through rotating the screw rod, the screw rod drives the slider and rises, and the slider drives the connecting rod and rises, and the connecting rod drives the drive wheel and removes, and the drive wheel meshes with the slide bar, and the rethread slide bar uses with the cooperation of detecting the box to reached the effect that can detect the PM2.5 concentration of co-altitude.
Description
Technical Field
The invention relates to the technical field of PM2.5 detection, in particular to an air detection device capable of detecting waterproof vapor interference at different heights.
Background
The fine particles are also called PM2.5, refer to particles with an aerodynamic equivalent diameter of less than or equal to 2.5 microns in the air environment, the detection principle of PM2.5 is that light scattering is generated when an infrared light source irradiates the particles at a detection position, the scattering intensity in the direction perpendicular to a light path is related to the particle diameter, the number concentration of the particles in real time can be obtained through counting, and the mass concentration unified with an official unit is obtained according to an empirical conversion formula and a calibration method.
When the existing PM2.5 detection device detects in humid air, the detection device can be interfered by water drops in the air to influence the accuracy of detection results, meanwhile, the existing device can only detect the PM2.5 concentration at a fixed position, and because the concentration of PM2.5 is influenced by the detection height, the detection at the fixed position is relatively one-sided, and the PM2.5 concentration in the area can not be accurately and fully detected.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides an air detection device capable of detecting the water vapor interference at different heights, which has the advantages of detecting the PM2.5 concentration at different heights, preventing the water vapor interference, effectively controlling the detected gas quantity, ensuring the accurate detection result and the like, and solves the problems that the accuracy of the detection result is affected by the interference of water drops in the air and the concentration of the PM2.5 is affected by the detection height.
(II) technical scheme
In order to realize the purposes that the PM2.5 concentration with different heights can be detected, the steam interference can be prevented, the detected gas quantity can be effectively controlled, and the detection result is accurate, the invention provides the following technical scheme: the utility model provides an air detection device that can detect not co-altitude waterproof vapour and disturb, includes the base, the left side threaded connection of base has the screw rod, the inner wall fixedly connected with slider of base, the top swing joint of slider has the connecting rod, the top swing joint of connecting rod has the drive wheel, the top sliding connection of base has the slide bar, the top fixedly connected with detection box of slide bar, the right side swing joint of detection box has the swing door, the bottom meshing of swing door has the drive wheel, the inner wall sliding connection of drive wheel has the latch, one side fixedly connected with spacing spring that the latch is close to the drive wheel inner wall, the inside fixedly connected with reel of drive wheel, the back fixedly connected with stay cord of reel, the inner wall fixedly connected with heating block of detection box, the pressure chamber has been seted up to the inside sliding connection of pressure chamber, the inner wall sliding connection of detection box has the push rod, the outside of push rod has cup jointed contact switch, the bottom grafting of detection box has the extraction tube, the inside sliding connection of extraction tube has the drive wheel, the inside sliding connection of extraction tube has the inside connection of extraction tube, the inside supporting spring, the inside supporting connection of the exhaust tube has the inside of the exhaust tube has the fixed connection of the exhaust tube, the inside sliding connection of the exhaust tube has the fixed connection of the exhaust pipe.
Preferably, a threaded hole is formed in the left side of the base and is matched with the screw rod.
Preferably, the bottom surface of the sliding block is obliquely designed, so that the screw rod can drive the sliding block to ascend.
Preferably, the driving wheel is slidably connected to the inner wall of the base, so that the driving wheel is ensured to be stably driven.
Preferably, a rotary spring is fixedly connected in the swing door and used for swinging the swing door.
Preferably, a spring is fixedly connected in the winding wheel and used for winding the pull rope.
Preferably, the pull rope is fixedly connected to the top of the base, so that the pull rope can drive the reel to rotate.
Preferably, a tooth slot is formed in the left side of the exhaust rod and is matched with the rotating wheel for use.
(III) beneficial effects
Compared with the prior art, the invention provides the air detection device capable of detecting the waterproof vapor interference at different heights, which has the following beneficial effects:
1. This can detect air detection device of not co-altitude vapor interference, through rotating the screw rod, the screw rod drives the slider and rises, and the slider drives the connecting rod and rises, and the connecting rod drives the drive wheel and removes, and the drive wheel meshes with the slide bar, and the cooperation of rethread slide bar and detection box is used to reached the effect that can detect the PM2.5 concentration of different co-altitude.
2. This can detect air detection device of not co-altitude vapor-proof interference drives the exhaust tube through detecting the box and rises, and the exhaust tube descends the inside gas of detecting the box and takes out at the effect of taking out the pole, and the push rod moves left under the effect of atmospheric pressure this moment, and the push rod touches contact switch, and the cooperation of rethread contact switch and heating piece is used to the effect that can vapor-proof interference has been reached.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a swing door portion of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1 showing the structure of the present invention;
FIG. 4 is a schematic view of a portion of an exhaust tube according to the present invention;
FIG. 5 is a schematic view of a portion of a rotor according to the present invention.
In the figure: 1. a base; 2. a screw; 3. a slide block; 4. a connecting rod; 5. a driving wheel; 6. a slide bar; 7. a detection box; 8. swing door; 9. a driving wheel; 10. latch teeth; 11. a limit spring; 12. a reel; 13. a pull rope; 14. a heating block; 15. a pressure chamber; 16. a piston; 17. a push rod; 18. a contact switch; 19. an exhaust pipe; 20. a rod is pulled out; 21. a support spring; 22. a valve; 23. a pressure reducing valve; 24. an exhaust pipe; 25. an exhaust rod; 26. a rotating wheel.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. 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.
Referring to fig. 1-5, an air detection device capable of detecting waterproof vapor interference at different heights comprises a base 1, wherein a threaded hole is formed in the left side of the base 1 and is matched with a screw rod 2, the screw rod 2 is connected to the left side of the base 1, a sliding block 3 is slidingly connected to the inner wall of the base 1, the bottom surface of the sliding block 3 is obliquely designed, the screw rod 2 can drive the sliding block 3 to ascend, a connecting rod 4 is movably connected to the top of the sliding block 3, a driving wheel 5 is movably connected to the top of the connecting rod 4, the driving wheel 5 is slidingly connected to the inner wall of the base 1, the driving wheel 5 is ensured to stably drive, a sliding rod 6 is slidingly connected to the top of the base 1, gear teeth are fixedly connected to the outer side of the sliding rod 6, a detection box 7 is fixedly connected to the top of the sliding rod 6, a swing door 8 is movably connected to the right side of the detection box 7, a rotary spring is fixedly connected to the inner side of the swing door 8, a driving wheel 9 is meshed to the bottom of the swing door 8, the inner wall of the driving wheel 9 is slidingly connected with a latch 10, one side of the latch 10 close to the inner wall of the driving wheel 9 is fixedly connected with a limit spring 11, the inside of the driving wheel 9 is fixedly connected with a winding wheel 12, the inside of the winding wheel 12 is fixedly connected with a spring for winding a pull rope 13, the back of the winding wheel 12 is fixedly connected with the pull rope 13, the pull rope 13 is fixedly connected at the top of the base 1, the pull rope 13 can drive the winding wheel 12 to rotate, the inner wall of the detection box 7 is fixedly connected with a heating block 14, the inside of the detection box 7 is provided with a pressure cavity 15, the inside of the pressure cavity 15 is slidingly connected with a piston 16, the inner wall of the detection box 7 is slidingly connected with a push rod 17, the top of the push rod 17 is fixedly connected with a guide block and is matched with a contact switch 18, the outside of the push rod 17 is sleeved with a contact switch 18, the bottom of the detection box 7 is spliced with an exhaust pipe 19, the inside of the exhaust pipe 19 is slidingly connected with an exhaust rod 20, the inside fixedly connected with supporting spring 21 of exhaust tube 19, the bottom fixedly connected with valve 22 of supporting spring 21, the inner wall sliding connection of exhaust tube 19 has relief pressure valve 23, the bottom fixedly connected with blast pipe 24 of detection box 7, the inside sliding connection of blast pipe 24 has relief pressure valve 23 too, the inside sliding connection of blast pipe 24 has exhaust bar 25, the tooth's socket has been seted up in the left side of exhaust bar 25, use with runner 26 cooperation, the inner wall fixedly connected with runner 26 of base 1.
The device is placed at a position to be detected, the device is electrified, the heating block 14 generates heat, at the moment, the heated air pressure in the pressure cavity 15 is increased, the piston 16 rises under the pushing of the air pressure, the piston 16 rises to enable the inside of the detection box 7 to absorb the air to be detected, when the air quantity in the detection box 7 reaches a certain value, the air pressure pushes the push rod 17 to slide rightwards, the guide block at the top of the push rod 17 is far away from the contact switch 18, at the moment, the heating block 14 stops heating, the air pressure in the pressure cavity 15 is reduced, the piston 16 falls to block an air inlet hole, after the air detection is finished, the driving wheel 5 rotates to drive the rotating wheel 26 through a driving belt, the rotating wheel 26 rotates to drive the air exhaust rod 25 to fall through a tooth socket at the left side of the air exhaust rod 25, the air exhaust rod 25 falls to enable the air exhaust pipe 24 to suck the air in the inside of the detection box 7, after the air in the detection box 7 is absorbed, the push rod 17 slides leftwards under the action of the air pressure, the push rod 17 contacts with the contact switch 18, the contact switch 18 heats the guide block 14, at the moment, the air inlet hole of the piston 16 rises, the air inlet hole is enabled to be reversed, and the driving wheel 5 rotates reversely, the driving wheel 5 drives the rotating wheel 26, the rotating wheel 26 rotates to drive the rotating wheel 26 to rotate through the air exhaust rod 25, the air exhaust rod 25 to rise, the air exhaust valve is not to be affected by the air pressure rising, the air pressure of the air exhaust valve is reduced, the air pressure is increased, the air pressure is reduced, and the inside the air pressure is discharged, and the air is reduced, and the inside is discharged,
At the moment, air at a higher position needs to be detected, the screw rod 2 is rotated, the screw rod 2 moves rightwards under the action of a threaded hole at the left side of the base 1, the screw rod 2 moves rightwards, the slide block 3 is driven to ascend through an inclined surface at the bottom of the slide block 3, the slide block 3 ascends to drive the connecting rod 4 to ascend, the connecting rod 4 ascends to drive the driving wheel 5 to be meshed with gear teeth at the outer side of the slide rod 6, meanwhile, the driving wheel 5 is close to the rotating wheel 26, the driving belt is loosened, the rotating wheel 26 cannot rotate along with the driving wheel 5, at the moment, the driving wheel 5 rotates to drive the slide rod 6 to ascend, the slide rod 6 ascends to drive the detection box 7 to ascend, the detection box 7 ascends to drive the pull rope 13 to drive the rolling wheel 12 to rotate, the driving wheel 9 rotates to drive the swinging door 8 to swing, the swinging door 8 does not enable the detection box 7 to enter gas, meanwhile, the detection box 7 drives the exhaust pipe 19 to ascend, when the air suction pipe 19 rises, the air suction rod 20 sucks the air which is closed in the detection box 7, the air at the bottom position is prevented from being brought to the high position when the air suction pipe rises, the detection effect is influenced, when the detection box 7 stops rising, the swinging door 8 swings back under the action of the internal rotary spring, the detection box 7 can be ventilated, the air is sucked into the detection box 7, after the air detection is finished, the driving wheel 5 reversely rotates to drive the sliding rod 6 to descend, the sliding rod 6 drives the detection box 7 to descend, the detection box 7 descends to enable the winding wheel 12 to pass through the internal winding stay 13, the detection box 7 descends to enable the air suction rod 20 to compress the air in the air suction pipe 19, the air pressure in the air suction pipe 19 is increased, the air pressure is increased to enable the pressure reducing valve 23 to be deflated, when the detection box 7 descends to the original position, the rotating screw 2 descends to enable the sliding block 3 to descend, the sliding block 4 drives the driving rod 4 to drive the driving wheel 5 to be far away from the sliding rod 6, at this time, the exhaust pipe 24 is used for exhausting.
In summary, according to the air detection device capable of detecting the waterproof vapor interference at different heights, the screw rod 2 is rotated to drive the sliding block 3 to ascend, the sliding block 3 drives the connecting rod 4 to ascend, the connecting rod 4 drives the driving wheel 5 to move, the driving wheel 5 is meshed with the sliding rod 6, and the PM2.5 concentration effect capable of detecting the PM2.5 concentration at different heights is achieved through the matched use of the sliding rod 6 and the detection box 7. This PM2.5 detection device that can detect not co-altitude waterproof vapour and disturb rises through detection box 7 and drives exhaust tube 19 and rise, and exhaust tube 19 descends the inside gas of detection box 7 and take out at the effect of pole 20 that takes out, and push rod 17 moves left under the effect of atmospheric pressure this moment, and push rod 17 touches contact switch 18, and the cooperation of rethread contact switch 18 and heating piece 14 is used to reached the effect that can waterproof vapour and disturb, application scope is more extensive.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an air detection device that ability detects not co-altitude waterproof vapour and disturb, includes base (1), its characterized in that: the left side threaded connection of base (1) has screw rod (2), the inner wall sliding connection of base (1) has slider (3), the top swing joint of slider (3) has connecting rod (4), the top swing joint of connecting rod (4) has drive wheel (5), the top sliding connection of base (1) has slide bar (6), the top fixedly connected with detection box (7) of slide bar (6), the right side swing joint of detection box (7) has swing door (8), the bottom meshing of swing door (8) has drive wheel (9), the inner wall sliding connection of drive wheel (9) has latch (10), one side fixedly connected with spacing spring (11) that is close to drive wheel (9) inner wall of latch (10), the inside fixedly connected with reel (12) of drive wheel (9), the back fixedly connected with stay cord (13) of reel (12), the inner wall fixedly connected with heating block (14) of detection box (7), the inside of detection box (7) has seted up pressure chamber (15), the inside is connected with push rod (17) sliding connection's (17), the bottom of detection box (7) is pegged graft and is had exhaust tube (19), the inside sliding connection of exhaust tube (19) has pole (20) of taking out, the inside fixedly connected with supporting spring (21) of exhaust tube (19), the bottom fixedly connected with valve (22) of supporting spring (21), the inner wall sliding connection of exhaust tube (19) has relief pressure valve (23), the bottom fixedly connected with blast pipe (24) of detection box (7), the inside sliding connection of blast pipe (24) has exhaust pole (25), the inner wall fixedly connected with runner (26) of base (1).
2. An air detection device capable of detecting different heights of water vapor interference as claimed in claim 1, wherein: the left side of the base (1) is provided with a threaded hole.
3. An air detection device capable of detecting different heights of water vapor interference as claimed in claim 1, wherein: the bottom surface of the sliding block (3) is obliquely designed.
4. An air detection device capable of detecting different heights of water vapor interference as claimed in claim 1, wherein: the driving wheel (5) is connected to the inner wall of the base (1) in a sliding way.
5. An air detection device capable of detecting different heights of water vapor interference as claimed in claim 1, wherein: the swing door (8) is fixedly connected with a rotary spring.
6. An air detection device capable of detecting different heights of water vapor interference as claimed in claim 1, wherein: the winding wheel (12) is fixedly connected with a spring.
7. An air detection device capable of detecting different heights of water vapor interference as claimed in claim 1, wherein: the pull rope (13) is fixedly connected to the top of the base (1).
8. An air detection device capable of detecting different heights of water vapor interference as claimed in claim 1, wherein: the left side of the exhaust rod (25) is provided with a tooth slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011605484.4A CN112834396B (en) | 2020-12-30 | 2020-12-30 | Air detection device capable of detecting waterproof vapor interference at different heights |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011605484.4A CN112834396B (en) | 2020-12-30 | 2020-12-30 | Air detection device capable of detecting waterproof vapor interference at different heights |
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| CN112834396A CN112834396A (en) | 2021-05-25 |
| CN112834396B true CN112834396B (en) | 2024-04-30 |
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