A sampling device for air particle monitoring and its use method

Abstract

The present invention discloses a sampling device for monitoring air particles and a method for using the same, and relates to the field of air detection. The sampling device for monitoring air particles in the present invention comprises a bracket, a plurality of telescopic rods are rotatably connected to the top of the bracket, an auxiliary component is symmetrically fixedly connected to the side wall of the sampling box, a collection component is installed inside the sampling box, and a dust removal component is installed inside the sampling box. The present invention provides an auxiliary component. When there is strong air flow and particulate matter is dispersed by the wind, affecting collection, the electromagnet is energized so that one end of the electromagnet and the adjacent end of the permanent magnet generate the same magnetic pole. Under the action of magnetic repulsion, the second windshield is pushed to move. At this time, the spring is in a stretched state, thereby expanding the contact area of the first windshield with the flowing air. When the contact area is expanded, the number of air particles that can be captured increases accordingly, making the particles more easily captured by the sampler, thereby improving the representativeness of the sampling.

Description

Technical Field

[0001] The present invention relates to the technical field of air detection, and in particular to a sampling device for air particle monitoring and a method for using the same. Background Art

[0002] In order to ensure people's health and the sustainable development of the environment, environmental protection departments need to conduct environmental surveys. Environmental surveys include air testing, which requires the use of sampling devices for air particle monitoring.

[0003] A particle sampling device proposed in announcement number CN217786665U relates to the technical field of sampling devices, including a vertically arranged sampling tube, a plurality of air inlet holes evenly distributed on the peripheral wall of the sampling tube, a turntable rotatably provided at the upper end of the sampling tube, a plurality of guide vanes fixedly connected to the lower surface of the turntable surrounding the sampling tube, and air is introduced into the sampling tube by the rotation of the guide vanes, the lower end of the sampling tube is rotatably connected to a support tube, an outer tube is fitted around the support tube, a guide ring is fixedly connected to the outer edge of the upper end of the outer tube, the guide ring is located below the guide vanes, and a material receiving base is fixedly connected between the lower end of the outer tube and the outer wall of the support tube. This device solves the problem that conventional devices, when sampling particulate matter in the air, are limited by wind direction and the orientation of the sampling device, making it impossible to uniformly sample particulate matter in the surrounding air, thus affecting the uniformity of particulate matter sampling.

[0004] Currently, when sampling, if air particle detection is required at a location with strong air flow, the particles will be dispersed by the wind due to the strong wind, affecting the sampling; in addition, for the air particles that have been sampled, they will be taken out of the sampling box. During the process of air particle content detection, if the sampling box is bumped, the collected air particles will be scattered, affecting the detection; and there will be residual air particles adhering to the inner wall of the filter and the sampling box, which will affect the next use on the one hand and cause detection errors on the other.

[0005] In view of the above problems, a sampling device for air particle monitoring and a method for using the same are proposed. Summary of the Invention

[0006] The purpose of the present invention is to provide a sampling device for air particle monitoring and a method for using the same. By using this device, the problem of affecting sampling when detecting areas with strong air mobility in the above-mentioned background is solved. In addition, the sampled air particles are easily scattered when taken out, making them inconvenient to collect, and there will be residual air particles inside the filter and the sampling box.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a sampling device for monitoring air particles, comprising a bracket, a plurality of telescopic rods rotatably connected to the top of the bracket, one end of the plurality of telescopic rods being rotatably connected to a connecting seat, a sampling box being fixedly connected to the bottom end of the connecting seat, a collecting tube being symmetrically fixedly connected to the side wall of the sampling box, a mounting ring being fixedly connected inside each collecting tube, a vortex impeller being rotatably installed inside the mounting ring, a filter being symmetrically fixedly connected inside the collecting tube, an auxiliary component being symmetrically fixedly connected to the side wall of the sampling box, a collecting component being installed inside the sampling box, and a dust removal component being installed inside the sampling box.

[0008] Furthermore, the auxiliary component includes a plurality of first wind shields, which are symmetrically fixedly connected to the side walls of the sampling box. Each side wall of the first wind shield is provided with a slide groove, and the inner wall of the slide groove is symmetrically fixedly connected with an electromagnet.

[0009] Furthermore, the inner side wall of the slide is symmetrically fixedly connected with a spring, and the two springs are jointly fixedly connected with a second wind shield, the second wind shield is slidably connected to the inside of the slide, the side wall of the second wind shield is fixedly connected with a permanent magnet, and the side wall of the first wind shield is fixedly connected with a scraper, and the scraper is in contact with the side wall of the second wind shield.

[0010] Furthermore, the collection component includes a protective box, which is fixedly connected to the bottom of the sampling box. The bottom of the sampling box is fixedly connected to a fixed plate, which is an L-shaped structure. The bottom of the fixed plate is fixedly connected to a motor, and the output end of the motor is fixedly connected to a connecting shaft.

[0011] Furthermore, one end of the connecting shaft passes through the fixed plate and the bottom wall of the sampling box in sequence, the side wall of the connecting shaft is fixedly connected to the first synchronous wheel, and one side wall of the sampling box is symmetrically passed through and rotatably connected to the first reciprocating screw, one end of each of the first reciprocating screws is rotatably connected to the top wall of the sampling box, and the other end side wall is fixedly connected to the second synchronous wheel.

[0012] Furthermore, the two second synchronous wheels are connected to the first synchronous wheel through a synchronous belt, and a sliding rod is symmetrically fixedly connected inside the sampling box. Each side wall of the first reciprocating screw is threadedly connected to a slide, and one end of the slide is slidably connected to the slide rod.

[0013] Furthermore, the side walls of the slide are symmetrically fixedly connected with friction blocks, the inner side walls of the sampling box are symmetrically fixedly connected with dust collecting plates, each of the friction blocks slides against the adjacent dust collecting plates, and each side wall of the slide is fixedly connected with a cleaning plate, and the side walls of the cleaning plate are in contact with the filter.

[0014] Furthermore, the dust removal assembly includes a second reciprocating screw, one end of which is fixedly connected to the connecting shaft, and the other end is rotatably connected to the top wall of the sampling box, the bottom wall of the sampling box is symmetrically fixedly connected to the limiting rod, and the side wall of the second reciprocating screw is threadedly connected with a sliding sleeve.

[0015] Furthermore, each of the limit rods is slidably connected to the sliding sleeve, the side walls of the sliding sleeve are symmetrically fixedly connected to the mounting plates, each side wall of the mounting plate is fixedly connected to a cleaning brush, and each cleaning brush is in contact with the adjacent side wall of the filter.

[0016] A method for using a sampling device for air particle monitoring comprises the following steps:

[0017] S1: By controlling the telescopic rod, the sampling box is moved down to the position where air particle sampling is required. By measuring the wind direction in advance, the collection tube on one side of the sampling box is aligned with the wind direction so that the wind direction can enter the sampling box along the collection tube and filter the air particles through the filter. The air particles adhere to the filter, thereby sampling and collecting air particles.

[0018] S2: When strong air flow occurs and particulate matter is dispersed by the wind, affecting collection, the electromagnet is energized, causing one end of the electromagnet to generate the same magnetic pole as the adjacent end of the permanent magnet. Under the action of magnetic repulsion, the second windshield is pushed to move. At this time, the spring is in a stretched state, thereby expanding the contact area of the first windshield with the flowing air. When the air particle detection is completed, the electromagnet is de-energized, causing the magnetic force between the electromagnet and the permanent magnet to be lost. Under the elastic action of the spring, the second windshield is driven to reset.

[0019] S3: The motor drives the connecting shaft and the first synchronous wheel to rotate, and the synchronous belt drives the multiple second synchronous wheels to rotate, so that the first reciprocating screw rotates synchronously. The first reciprocating screw rotates, and the slide is limited and slid by the slide rod, so that the slide moves up and down. During the movement, the friction block and the dust collecting plate are continuously rubbed, so that the dust collecting plate generates static electricity, and the cleaning plate on the side wall of the slide scrapes the filter, so that the air particles collected on the filter float up, and the static electricity generated on the dust collecting plate electrostatically adsorbs the air particles;

[0020] S4: During the operation of the motor, the second reciprocating screw is driven to rotate by the connecting shaft. The second reciprocating screw is rotated, and with the cooperation of the limiting rod, the sleeve is made to reciprocate up and down. During the reciprocating movement of the sleeve, the mounting plate and the cleaning brush are driven to further clean the filter. The cleaning brush is in contact with the filter, so that the cleaning brush will further clean the air particles remaining on the filter during the reciprocating movement, and further adsorb the remaining air particles through the static electricity generated by the continuous friction of the dust collecting plate.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] By setting up an auxiliary component, when there is a strong air flow and the particles are dispersed by the wind, affecting the collection, the electromagnet is energized so that one end of the electromagnet and the adjacent end of the permanent magnet generate the same magnetic pole. Under the action of the magnetic repulsion, the second windshield is pushed to move. At this time, the spring is in a stretched state, thereby expanding the contact area between the first windshield and the flowing air. When the contact area is expanded, the number of air particles that can be captured increases accordingly, making the particles easier to be captured by the sampler, thereby improving the representativeness of the sampling; by setting up a collection component, when it is necessary to take out the sampled air particles inside the sampling box, the motor is started, and the motor drives the connecting shaft and the first windshield to move. A synchronous wheel rotates, and drives multiple second synchronous wheels to rotate through a synchronous belt, so that the first reciprocating screw rotates synchronously, and the first reciprocating screw rotates, and the slide plate is limited and slid by the slide rod, so that the slide plate moves up and down. During the movement, the friction block and the dust collecting plate are continuously rubbed, so that the dust collecting plate generates static electricity, and the cleaning plate on the side wall of the slide plate scrapes the filter screen, so that the air particles collected on the filter screen float up, and the static electricity generated on the dust collecting plate electrostatically adsorbs the air particles, so that the air particles will not constantly float around during the sampling process, affecting the removal and detection, thereby improving the practicality of the device;

[0023] By setting up a dust removal component, the second reciprocating screw is driven to rotate by the connecting shaft, and the second reciprocating screw is rotated, and with the cooperation of the limiting rod, the sleeve is made to reciprocate up and down. During the up and down reciprocating movement of the sleeve, the mounting plate and the cleaning brush are driven to further clean the filter, wherein the cleaning brush is in contact with the filter, so that the cleaning brush will further clean the air particles remaining on the filter during the reciprocating movement, and further adsorb the remaining air particles through the static electricity generated by the continuous friction of the dust collecting plate, thereby avoiding some air particles remaining on the filter, ensuring the maximum collection of the sampled air particles, and improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 is a side view of the present invention;

[0026] Figure 3 It is a structural diagram of the sampling box in the present invention;

[0027] Figure 4 is a cross-sectional view of the sampling box of the present invention;

[0028] Figure 5 is a cross-sectional view of the auxiliary component of the present invention;

[0029] Figure 6 It is a partial structural diagram of the auxiliary components in the present invention;

[0030] Figure 7 for Figure 5 A partial enlarged schematic diagram of part B;

[0031] Figure 8 It is a schematic structural diagram of the collection component and the dust removal component of the present invention;

[0032] Figure 9 It is a structural diagram of the collection component in the present invention;

[0033] Figure 10 for Figure 4 A partial enlarged schematic diagram of part A;

[0034] Figure 11 It is a structural schematic diagram of the dust removal component in the present invention.

[0035] In the figure: 1. bracket; 11. telescopic rod; 12. connecting seat; 2. sampling box; 21. collecting tube; 22. mounting ring; 23. vortex impeller; 24. filter; 3. auxiliary component; 31. first wind deflector; 32. slide; 33. second wind deflector; 34. scraper; 35. spring; 36. electromagnet; 37. permanent magnet; 4. collecting component; 41. protective box; 42. fixing plate; 43. motor; 44. connecting shaft; 45. first synchronous wheel; 46. first reciprocating screw; 47. second synchronous wheel; 48. slide rod; 49. dust collecting plate; 410. slide plate; 411. friction block; 412. cleaning plate; 413. synchronous belt; 5. dust removal component; 51. second reciprocating screw; 52. sliding sleeve; 53. limit rod; 54. mounting plate; 55. cleaning brush. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0037] In order to solve the technical problem of air particle detection in the process of environmental monitoring, if it is necessary to detect air particles at a location with strong air flow, the particles will be dispersed by the wind due to the strong wind, affecting the sampling, such as Figure 1 - Figure 7 As shown, the following preferred technical solutions are provided:

[0038] A sampling device for monitoring air particles includes a bracket 1, the top of the bracket 1 is rotatably connected to a plurality of telescopic rods 11, one end of the plurality of telescopic rods 11 is rotatably connected to a connecting seat 12, the bottom end of the connecting seat 12 is fixedly connected to a sampling box 2, the side walls of the sampling box 2 are symmetrically fixedly connected to a collecting cylinder 21, each collecting cylinder 21 is fixedly connected to a mounting ring 22, a vortex impeller 23 is rotatably installed inside the mounting ring 22, a filter screen 24 is symmetrically fixedly connected to the inside of the collecting cylinder 21, and an auxiliary component 3 is symmetrically fixedly connected to the side walls of the sampling box 2. By setting up the auxiliary component 3, when the air flow is strong and the particulate matter is dispersed by the wind, affecting the collection, the electromagnet 36 is energized so that one end of the electromagnet 36 and the adjacent end of the permanent magnet 37 generate the same magnetic pole. Under the action of the magnetic repulsion, the second wind shield 33 is pushed to move. At this time, the spring 35 is in a stretched state, thereby expanding the contact area between the first wind shield 31 and the flowing air. When the contact surface is expanded, the number of air particles that can be captured increases accordingly, making the particles easier to be captured by the sampler, thereby improving the representativeness of the sampling.

[0039] A collecting component 4 is installed inside the sampling box 2. By setting up the collecting component 4, when it is necessary to take out the air particles sampled inside the sampling box 2, the motor 43 is started, and the motor 43 works to drive the connecting shaft 44 and the first synchronous wheel 45 to rotate, and drives multiple second synchronous wheels 47 to rotate through the synchronous belt 413, so that the first reciprocating screw 46 rotates synchronously, and the first reciprocating screw 46 is rotated, and the slide plate 410 is limited and slid by the slide rod 48, so that the slide plate 410 moves up and down. During the movement, the friction block 411 is continuously rubbed with the dust collecting plate 49, so that the dust collecting plate 49 generates static electricity, and the cleaning plate 412 on the side wall of the slide plate 410 is used to scrape the filter 24, so that the air particles collected on the filter 24 float up, and the static electricity generated on the dust collecting plate 49 is used to electrostatically adsorb the air particles, so that the air particles will not continue to float around during the sampling process, affecting the removal and detection, thereby improving the practicality of the device.

[0040] A dust removal component 5 is installed inside the sampling box 2. By setting up the dust removal component 5, the second reciprocating screw 51 is driven to rotate through the connecting shaft 44. The second reciprocating screw 51 is rotated, and under the limit cooperation of the limit rod 53, the sleeve 52 is made to reciprocate up and down. During the up and down reciprocating movement of the sleeve 52, the mounting plate 54 and the cleaning brush 55 are driven to further clean the filter 24, wherein the cleaning brush 55 is in contact with the filter 24, so that the cleaning brush 55 will further clean the air particles remaining on the filter 24 during the reciprocating movement, and further adsorb the remaining air particles through the static electricity generated by the continuous friction of the dust collecting plate 49, thereby avoiding a part of the air particles remaining on the filter 24, ensuring the maximum collection of the sampled air particles, and improving the detection accuracy.

[0041] The auxiliary component 3 includes a plurality of first windshields 31 , which are symmetrically fixedly connected to the side wall of the sampling box 2 . A slide groove 32 is provided on the side wall of each first windshield 31 , and an electromagnet 36 is symmetrically fixedly connected to the inner wall of the slide groove 32 .

[0042] The inner wall of the slide groove 32 is symmetrically fixedly connected with springs 35, and the two springs 35 are jointly fixedly connected with the second wind shield 33. The second wind shield 33 is slidably connected to the inside of the slide groove 32. The side wall of the second wind shield 33 is fixedly connected with a permanent magnet 37. The side wall of the first wind shield 31 is fixedly connected with a scraper 34, and the scraper 34 is in contact with the side wall of the second wind shield 33.

[0043] In this solution: when in use, first, by controlling the telescopic rod 11, the sampling box 2 is moved down to the position where air particle sampling is required, and by measuring the wind direction in advance, the collecting tube 21 on one side of the sampling box 2 is kept consistent with the wind direction, so that the wind direction can enter the sampling box 2 along the collecting tube 21, filter the internal air particles through the filter 24, so that the internal air particles adhere to the filter 24, thereby sampling and collecting air particles; when the air flow is strong and the particles are dispersed by the wind, affecting the collection, the electromagnet 36 is energized so that one end of the electromagnet 36 and the adjacent end of the permanent magnet 37 generate the same magnetic pole, and under the action of the magnetic repulsion, the second wind shield 33 is pushed to move, and at this time the spring 35 is in a stretched state, thereby expanding the contact area between the first wind shield 31 and the flowing air. When the contact area is expanded, the number of air particles that can be captured increases accordingly, making it easier for the particles to be captured by the sampler, thereby improving the representativeness of the sampling;

[0044] When the air particle detection is completed, the electromagnet 36 is powered off, causing the electromagnet 36 and the permanent magnet 37 to lose magnetic force. Under the elastic action of the spring 35, the second wind shield 33 is driven to reset and move, reducing the occupied area and facilitating use. In the process of resetting the second wind shield 33, the windshield surface of the second wind shield 33 contacts the scraper 34, and the air particles remaining on the second wind shield 33 are scraped off by the scraper 34. The residual particles on the scraper 34 are processed by subsequent staff, and the entire second wind shield 33 does not need to be cleaned, thereby preventing residual air particles from entering the chute 32 and accumulating for a long time, affecting the normal movement of the second wind shield 33, and improving the use effect of the device.

[0045] In order to solve the technical problem that the air particles collected are taken out from the sampling box 2 and the air particle content is detected, if the sampling box 2 is bumped, the collected air particles will be scattered, affecting the detection, such as Figure 8 - Figure 10 As shown, the following preferred technical solutions are provided:

[0046] The collecting assembly 4 includes a protective box 41, which is fixedly connected to the bottom end of the sampling box 2. The bottom end of the sampling box 2 is fixedly connected to a fixed plate 42, which is an L-shaped structure. The bottom end of the fixed plate 42 is fixedly connected to a motor 43, and the output end of the motor 43 is fixedly connected to a connecting shaft 44.

[0047] One end of the connecting shaft 44 passes through the fixed plate 42 and the bottom wall of the sampling box 2 in sequence, and the side wall of the connecting shaft 44 is fixedly connected to the first synchronous wheel 45. A first reciprocating screw 46 is symmetrically passed through the side wall of one side of the sampling box 2 and is rotatably connected. One end of each first reciprocating screw 46 is rotatably connected to the inner top wall of the sampling box 2, and the other end side wall is fixedly connected to the second synchronous wheel 47.

[0048] The two second synchronous wheels 47 are connected to the first synchronous wheel 45 through a synchronous belt 413. The inside of the sampling box 2 is symmetrically fixed with a slide rod 48. The side wall of each first reciprocating screw 46 is threadedly connected with a slide plate 410, and one end of the slide plate 410 is slidably connected to the slide rod 48.

[0049] The side walls of the slide plate 410 are symmetrically fixedly connected with friction blocks 411, and the inner side walls of the sampling box 2 are symmetrically fixedly connected with dust collecting plates 49. Each friction block 411 slides against the adjacent dust collecting plate 49. The side walls of each slide plate 410 are fixedly connected with a cleaning plate 412, and the side walls of the cleaning plate 412 are in contact with the filter screen 24.

[0050] In this solution: when it is necessary to take out the air particles sampled inside the sampling box 2, the motor 43 is started, and the motor 43 works to drive the connecting shaft 44 and the first synchronous wheel 45 to rotate, and the synchronous belt 413 drives multiple second synchronous wheels 47 to rotate, so that the first reciprocating screw 46 rotates synchronously, and the first reciprocating screw 46 is rotated, and the slide plate 410 is limited and slid by the slide rod 48, so that the slide plate 410 moves up and down. During the movement, the friction block 411 is continuously rubbed with the dust collecting plate 49, so that the dust collecting plate 49 generates static electricity, and the cleaning plate 412 on the side wall of the slide plate 410 is used to scrape the filter 24, so that the air particles collected on the filter 24 float up, and the static electricity generated on the dust collecting plate 49 is used to electrostatically adsorb the air particles, so that the air particles will not continue to float around during the sampling process, affecting the removal and detection, thereby improving the practicality of the device.

[0051] In order to solve the problem that the filter 24 and the inner wall of the sampling box 2 are adhered with residual air particles, which affects the next use and causes detection errors, such as Figure 4 and Figure 10 - Figure 11 As shown, the following preferred technical solutions are provided:

[0052] The dust removal assembly 5 includes a second reciprocating screw 51, one end of the second reciprocating screw 51 is fixedly connected to the connecting shaft 44, and the other end is rotatably connected to the inner top wall of the sampling box 2, the inner bottom wall of the sampling box 2 is symmetrically fixedly connected to the limiting rod 53, and the side wall of the second reciprocating screw 51 is threadedly connected with a sliding sleeve 52.

[0053] Each limiting rod 53 is slidably connected to the sliding sleeve 52, and the side walls of the sliding sleeve 52 are symmetrically fixedly connected to the mounting plates 54. The side walls of each mounting plate 54 are fixedly connected to a cleaning brush 55, and each cleaning brush 55 is in contact with the adjacent side walls of the filter screen 24.

[0054] In this solution: during the process of removing air particles, if there are residual air particles on the filter 24, the actual number of particles detected will be reduced, resulting in a low detection result. To avoid this situation, during the operation of the motor 43, the second reciprocating screw 51 is driven to rotate through the connecting shaft 44. The second reciprocating screw 51 is rotated, and with the limited cooperation of the limit rod 53, the sleeve 52 is made to reciprocate up and down. During the up and down reciprocating movement of the sleeve 52, the mounting plate 54 and the cleaning brush 55 are driven to further clean the filter 24, wherein the cleaning brush 55 is in contact with the filter 24, so that the cleaning brush 55 will further clean the air particles remaining on the filter 24 during the reciprocating movement, and the static electricity generated by the continuous friction of the dust collecting plate 49 will further adsorb the residual air particles, thereby avoiding a part of the air particles remaining on the filter 24 and the sampling box 2, ensuring the maximum collection of the sampled air particles and improving the detection accuracy.

[0055] A method for using a sampling device for air particle monitoring comprises the following steps:

[0056] S1: By controlling the telescopic rod 11, the sampling box 2 is moved down to the position where air particle sampling is required, and by measuring the wind direction in advance, the collecting tube 21 on one side of the sampling box 2 is aligned with the wind direction, so that the wind direction can enter the interior of the sampling box 2 along the collecting tube 21, and the air particles are filtered through the filter 24, so that the air particles adhere to the filter 24, thereby sampling and collecting air particles;

[0057] S2: When strong air flow occurs and particulate matter is dispersed by the wind, affecting collection, the electromagnet 36 is energized, so that one end of the electromagnet 36 and the adjacent end of the permanent magnet 37 generate the same magnetic pole. Under the action of magnetic repulsion, the second wind deflector 33 is pushed to move. At this time, the spring 35 is in a stretched state, thereby expanding the contact area between the first wind deflector 31 and the flowing air. When the air particle detection is completed, the electromagnet 36 is de-energized, so that the magnetic force between the electromagnet 36 and the permanent magnet 37 is lost. Under the elastic action of the spring 35, the second wind deflector 33 is driven to return to its original position.

[0058] S3: The motor 43 works to drive the connecting shaft 44 and the first synchronous wheel 45 to rotate, and drives the multiple second synchronous wheels 47 to rotate through the synchronous belt 413, so that the first reciprocating screw 46 rotates synchronously. The first reciprocating screw 46 rotates, and the slide plate 410 is limited and slid by the slide rod 48, so that the slide plate 410 moves up and down. During the movement, the friction block 411 and the dust collecting plate 49 are continuously rubbed, so that the dust collecting plate 49 generates static electricity, and the cleaning plate 412 on the side wall of the slide plate 410 scrapes the filter 24, so that the air particles collected on the filter 24 float up, and the static electricity generated on the dust collecting plate 49 electrostatically adsorbs the air particles;

[0059] S4: During the operation of the motor 43, the second reciprocating screw 51 is driven to rotate through the connecting shaft 44. The second reciprocating screw 51 is rotated, and under the cooperation of the limiting rod 53, the sleeve 52 is made to reciprocate up and down. During the reciprocating movement of the sleeve 52, the mounting plate 54 and the cleaning brush 55 are driven to further clean the filter 24. The cleaning brush 55 is in contact with the filter 24, so that the cleaning brush 55 will further clean the air particles remaining on the filter 24 during the reciprocating movement, and further adsorb the remaining air particles through the static electricity generated by the continuous friction of the dust collecting plate 49.

[0060] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0061] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A sampling device for air particle monitoring, comprising a bracket (1), characterized in that: The top of the bracket (1) is rotatably connected to a plurality of telescopic rods (11), one end of the plurality of telescopic rods (11) is rotatably connected to a connecting seat (12), the bottom end of the connecting seat (12) is fixedly connected to a sampling box (2), the side wall of the sampling box (2) is symmetrically fixedly connected to a collecting cylinder (21), each collecting cylinder (21) is fixedly connected to a mounting ring (22), a vortex impeller (23) is rotatably installed inside the mounting ring (22), a filter screen (24) is symmetrically fixedly connected to the inside of the collecting cylinder (21), the side wall of the sampling box (2) is symmetrically fixedly connected to an auxiliary component (3), a collecting component (4) is installed inside the sampling box (2), and a dust removal component (5) is installed inside the sampling box (2); The auxiliary component (3) includes a plurality of first windshields (31), the plurality of first windshields (31) are symmetrically fixedly connected to the side wall of the sampling box (2), each side wall of the first windshield (31) is provided with a slide groove (32), and the inner wall of the slide groove (32) is symmetrically fixedly connected to an electromagnet (36); The inner side wall of the slide groove (32) is symmetrically fixedly connected with a spring (35), and the two springs (35) are commonly fixedly connected with a second windshield (33), and the second windshield (33) is slidably connected to the inside of the slide groove (32), and the side wall of the second windshield (33) is fixedly connected with a permanent magnet (37), and the side wall of the first windshield (31) is fixedly connected with a scraper (34), and the scraper (34) is in contact with the side wall of the second windshield (33); The dust removal assembly (5) includes a second reciprocating screw (51), one end of the second reciprocating screw (51) is fixedly connected to the connecting shaft (44), and the other end is rotatably connected to the inner top wall of the sampling box (2), the inner bottom wall of the sampling box (2) is symmetrically fixedly connected to a limit rod (53), and the side wall of the second reciprocating screw (51) is threadedly connected to a sliding sleeve (52); Each of the limiting rods (53) is slidably connected to the sliding sleeve (52), the side wall of the sliding sleeve (52) is symmetrically fixedly connected to the mounting plate (54), and each side wall of the mounting plate (54) is fixedly connected to a cleaning brush (55), and each cleaning brush (55) is in contact with the side wall of the adjacent filter screen (24).

2. The air particle monitoring sampling device according to claim 1, characterized in that: The collecting assembly (4) includes a protective box (41), which is fixedly connected to the bottom end of the sampling box (2). The bottom end of the sampling box (2) is fixedly connected to a fixing plate (42), and the fixing plate (42) is an L-shaped structure. The bottom end of the fixing plate (42) is fixedly connected to a motor (43), and the output end of the motor (43) is fixedly connected to a connecting shaft (44).

3. The air particle monitoring sampling device according to claim 2, characterized in that: One end of the connecting shaft (44) passes through the fixed plate (42) and the bottom wall of the sampling box (2) in sequence, and the side wall of the connecting shaft (44) is fixedly connected to the first synchronous wheel (45). One side wall of the sampling box (2) is symmetrically passed through and rotatably connected to the first reciprocating screw (46). One end of each of the first reciprocating screws (46) is rotatably connected to the top wall of the sampling box (2), and the other end of the side wall is fixedly connected to the second synchronous wheel (47).

4. The air particle monitoring sampling device according to claim 3, characterized in that: The two second synchronous wheels (47) are connected to the first synchronous wheel (45) via a synchronous belt (413), a slide rod (48) is symmetrically fixedly connected inside the sampling box (2), and a slide plate (410) is threadedly connected to the side wall of each first reciprocating screw (46), and one end of the slide plate (410) is slidably connected to the slide rod (48).

5. The air particle monitoring sampling device according to claim 4, characterized in that: The side walls of the slide plate (410) are symmetrically fixedly connected with friction blocks (411), the inner side walls of the sampling box (2) are symmetrically fixedly connected with dust collecting plates (49), each of the friction blocks (411) slides against an adjacent dust collecting plate (49), and each side wall of the slide plate (410) is fixedly connected with a cleaning plate (412), and the side walls of the cleaning plates (412) are in contact with the filter screen (24).

6. The method for using the sampling device for air particle monitoring according to claim 5, characterized in that: The following steps are involved: S1: By controlling the telescopic rod (11), the sampling box (2) is moved downward to the position where air particle sampling is required, and by measuring the wind direction in advance, the collecting tube (21) on one side of the sampling box (2) is aligned with the wind direction, so that the wind direction can enter the interior of the sampling box (2) along the collecting tube (21), and the air particles are filtered through the filter (24), so that the air particles are attached to the filter (24), thereby sampling and collecting air particles; S2: When the air flow is strong and the particles are dispersed by the wind, affecting the collection, the electromagnet (36) is energized so that one end of the electromagnet (36) and the adjacent end of the permanent magnet (37) generate the same magnetic pole. Under the action of the magnetic repulsion, the second windshield (33) is pushed to move. At this time, the spring (35) is in a stretched state, thereby expanding the contact area between the first windshield (31) and the flowing air. When the air particle detection is completed, the electromagnet (36) is de-energized, so that the magnetic force between the electromagnet (36) and the permanent magnet (37) is lost. Under the elastic action of the spring (35), the second windshield (33) is driven to reset. S3: The motor (43) is driven to rotate the connecting shaft (44) and the first synchronous wheel (45), and the synchronous belt (413) is used to drive the plurality of second synchronous wheels (47) to rotate, thereby causing the first reciprocating screw (46) to rotate synchronously. The first reciprocating screw (46) is rotated, and the slide plate (410) is limited and slid by the slide rod (48), so that the slide plate (410) moves up and down. During the movement, the friction block (411) and the dust collecting plate (49) are continuously rubbed, so that the dust collecting plate (49) generates static electricity, and the cleaning plate (412) on the side wall of the slide plate (410) scrapes the filter (24), so that the air particles collected on the filter (24) float up, and the static electricity generated on the dust collecting plate (49) electrostatically adsorbs the air particles; S4: During the operation of the motor (43), the second reciprocating screw (51) is driven to rotate through the connecting shaft (44). The second reciprocating screw (51) is rotated, and under the limited cooperation of the limit rod (53), the sliding sleeve (52) is made to reciprocate up and down. During the reciprocating movement of the sliding sleeve (52), the mounting plate (54) and the cleaning brush (55) are driven to further clean the filter (24). The cleaning brush (55) is in contact with the filter (24), so that the cleaning brush (55) will further clean the air particles remaining on the filter (24) during the reciprocating movement, and further adsorb the remaining air particles through the static electricity generated by the continuous friction of the dust collecting plate (49).

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