Polluting particle analysis equipment and analysis method thereof

Abstract

The invention belongs to the technical field of environment analysis equipment, and discloses pollution particle analysis equipment and an analysis method thereof.The pollution particle analysis equipment comprises an online analyzer, a connecting line is installed in the online analyzer through a winding assembly, one end of the connecting line is fixedly connected with a plug, and a cleaning assembly is arranged on the outer wall of the connecting line; the winding assembly comprises a winding roller arranged in the online analyzer, the winding roller is rotationally installed in the online analyzer through a limiting assembly, a coil spring is installed on the outer wall of the winding roller, the cleaning assembly comprises a cleaning ring arranged on the outer wall of the connecting line, and bristles are fixedly installed on the inner wall of the cleaning ring. After the analysis equipment is used, elastic potential energy is released through a coil spring to enable a winding roller to rotate to wind a connecting wire, the connecting wire makes contact with bristles in the winding process, the outer wall of the connecting wire is cleaned through the bristles, it is ensured that the outer surface of the connecting wire is clean, and therefore the service life of the device is prolonged.

Description

Technical Field

[0001] The present invention belongs to the technical field of environmental analysis equipment, and in particular relates to an analysis equipment for polluted particles and an analysis method thereof. Background Art

[0002] Pollution particles refer to solid or liquid particles suspended in the air. These particles (regardless of long-term or short-term) can cause harm to biological and human health. Using analytical equipment to detect and analyze pollution particles can provide a solid scientific basis for environmental protection and human health maintenance, and can be widely used in environmental monitoring, industrial production, medical health and other fields;

[0003] After searching, such as patent: CN213802308U, a real-time online analysis device for atmospheric pollution particulate matter, including a base arranged below the online analyzer, a rotatable winding frame sleeved on the base, a wire-reeling mechanism arranged on the front side of the winding frame, the wire-reeling mechanism including a winding through hole arranged on the front side of the winding frame, two spiral conveying rollers arranged in the winding through hole, and a transmission mechanism arranged on the base and the front side of the winding frame, and a winding mechanism is arranged between the top of the base and the middle of the winding frame. The wire-reeling mechanism can ensure that the wire body is evenly and neatly wound on the winding roller, which effectively solves the problem that the wire body is knotted due to the chaotic winding during the winding process, resulting in the need to tidy up the wire body before the analysis device is used again;

[0004] Since the application field of contaminated particle analysis equipment is extremely wide, its connecting wires are exposed and easy to accumulate dust when in use, especially when used in dusty or industrial environments. Dust accumulation will not only block the heat dissipation channel of the connecting wires, thereby causing overheating of the connecting wires and the electronic components connected to them, but also significantly reduce the insulation performance of the connecting wires, increase the risk of current leakage, and ultimately have an adverse effect on the service life of the equipment. Summary of the invention

[0005] The object of the present invention is to provide an analysis device for pollutant particles and an analysis method thereof to solve the problems raised in the above background technology.

[0006] In order to achieve the above object, the present invention provides the following technical solution: an analysis device for polluted particles, comprising an online analyzer, wherein a connecting wire is installed inside the online analyzer through a winding component, one end of the connecting wire is fixedly connected to a plug, and a cleaning component is arranged on the outer wall of the connecting wire;

[0007] The winding assembly comprises a winding roller arranged inside the online analyzer, the winding roller is rotatably mounted inside the online analyzer through a limiting assembly, and a coil spring is mounted on the outer wall of the winding roller;

[0008] The cleaning assembly comprises a cleaning ring arranged on the outer wall of the connecting line, the inner wall of the cleaning ring is fixedly mounted with bristles, the outer part of the cleaning ring is rotatably connected with a sleeve ring through a rotating assembly, and the sleeve ring is fixedly mounted on one side of the online analyzer.

[0009] As a further technical solution of the present invention, the rotating assembly includes an annular gear fixedly mounted on the outer wall of the cleaning ring, the top of the annular gear is meshed and connected with a third gear, a second rotating shaft is fixedly mounted inside the third gear, an end of the second rotating shaft away from the third gear is fixedly connected with a second bevel gear, the top of the second bevel gear is meshed and connected with a first bevel gear, the top of the first bevel gear is fixedly mounted with a first rotating shaft, the top of the first rotating shaft is fixedly mounted with a second gear, one side of the second gear is meshed and connected with the first gear, and the first gear is fixedly mounted on the top of the winding roller.

[0010] As a further technical solution of the present invention, the inner wall diameter of the first gear is ten N times the inner wall diameter of the second gear, and N is a positive integer.

[0011] As a further technical solution of the present invention, the interior of the cleaning ring is evenly provided with sliding grooves, and the sliding grooves are evenly arranged in a ring array. A blocking block is slidably installed inside each of the sliding grooves, a moving rod is fixedly connected to one side of the blocking block, a limiting plate is fixedly installed on the outer wall of the moving rod, and the limiting plate is slidably installed inside the cleaning ring, and a first spring is arranged between the limiting plate and the cleaning ring.

[0012] As a further technical solution of the present invention, one end of the moving rod is slidably mounted inside the collar, and a protrusion is fixedly mounted inside the collar.

[0013] As a further technical solution of the present invention, a liquid filling plug is embedded in the interior of the cleaning ring.

[0014] As a further technical solution of the present invention, the limit assembly includes a fourth gear fixedly mounted on the outer wall of the winding roller, one side of the fourth gear is meshed and connected with a limit tooth block, the limit tooth block is rotatably mounted inside the limit rod through a third rotating shaft, and a torsion spring is installed on the outer wall of the third rotating shaft.

[0015] As a further technical solution of the present invention, the limit rod is slidably installed inside the online analyzer, and one end of the limit rod is fixedly connected to a moving plate.

[0016] As a further technical solution of the present invention, a second spring is provided on one side of the limiting rod.

[0017] A method for analyzing a polluted particle analysis device comprises the following steps:

[0018] S1: When using the analysis device, first pull the plug outwards. The movement of the plug drives the movement of the connecting wire, pull the connecting wire out of the online analyzer, and then connect the plug to the external power supply for use;

[0019] S2: When the connecting line is pulled out, the winding roller rotates, and the rotation of the winding roller drives the rotation of the fourth gear. When the fourth gear rotates, the limit tooth block is forced to rotate into the limit rod. When the limit tooth block rotates, the torsion spring is deformed by force, and the elastic potential energy is released to reset the limit tooth block, and the fourth gear is limited by the limit tooth block;

[0020] S3: When the winding roller rotates, the coil spring deforms and stores elastic potential energy. After the analysis device is used, the movable plate is slid, and the movement of the movable plate drives the movement of the limit rod, and the movement of the limit rod drives the movement of the limit tooth block, so that the limit tooth block moves to the side away from the fourth gear and separates from it. After separation, the elastic potential energy is released by the coil spring to drive the winding roller to rotate to wind up the connecting line. The rotation of the winding roller drives the first gear to rotate, and the rotation of the first gear drives the second gear to rotate. The rotation of the second gear drives the rotation of the first rotating shaft. The rotation of the first rotating shaft drives the rotation of the first bevel gear and the second bevel gear. The rotation of the second bevel gear drives the rotation of the second rotating shaft. The rotation of the second rotating shaft drives the rotation of the third gear. The rotation of the third gear drives the rotation of the ring gear. The rotation of the ring gear drives the cleaning ring to rotate. The rotation of the cleaning ring drives the bristles to rotate, so that the connecting line contacts the bristles during the winding process for cleaning;

[0021] S4: As the cleaning ring rotates, the moving rod rotates accordingly. When the moving rod rotates to the bottom end of the protrusion, it is forced to slide downward, causing the block to slide to the side away from the slide groove. The cleaning liquid inside the cleaning ring flows out to clean the surface of the connecting wire, and the outer wall of the connecting wire is cleaned by the bristles at the same time.

[0022] S5: After the connecting wire is rolled up, the movable plate is loosened, and the elastic potential energy is released by the second spring to move the limit rod to reset.

[0023] The beneficial effects of the present invention are as follows:

[0024] 1. The present invention is arranged by cooperating with each other through the cleaning component and the winding component. When the analysis device is used, the plug is first pulled out, and the movement of the plug drives the movement of the connecting line. After the connecting line is pulled out of the online analyzer, the plug is connected to an external power supply for use. When the connecting line is pulled out, the winding roller rotates, causing the coil spring to deform and store elastic potential energy. After use, the elastic potential energy is released by the coil spring to cause the winding roller to rotate to wind up the connecting line. The connecting line contacts the bristles during the winding process, and the outer wall of the connecting line is cleaned by the bristles to ensure the cleanliness of the outer surface of the connecting line, thereby improving the service life of the device.

[0025] 2. The present invention arranges a rotating assembly so that when the winding roller rotates, the first gear is driven to rotate, the rotation of the first gear drives the second gear to rotate, the rotation of the second gear drives the rotation of the first rotating shaft, the rotation of the first rotating shaft drives the rotation of the first bevel gear and the second bevel gear, the rotation of the second bevel gear drives the rotation of the second rotating shaft, the rotation of the second rotating shaft drives the rotation of the third gear, the rotation of the third gear drives the rotation of the ring gear, the rotation of the ring gear drives the cleaning ring to rotate, the rotation of the cleaning ring drives the bristles to rotate, so that the bristles rotate on the outer wall of the connecting line to clean it, thereby improving the cleaning range and effect of the connecting line.

[0026] 3. The present invention sets a limit assembly. When the analyzing device is used to pull out the connecting line, the rotation of the take-up roller drives the rotation of the fourth gear. The rotation of the fourth gear forces the limit tooth block to rotate into the limit rod. When the limit tooth block rotates, the torsion spring is deformed by force and releases its elastic potential energy to reset the limit tooth block. The fourth gear is limited by the limit tooth block to prevent the connecting line from being wound up by the take-up roller due to the elasticity of the winding spring after being pulled out, so that the connecting line can be smoothly pulled out for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention;

[0029] Figure 3 For the present invention Figure 2 A schematic diagram of the structure enlargement in the middle;

[0030] Figure 4 For the present invention Figure 2 A magnified schematic diagram of the structure at B in the middle;

[0031] Figure 5 This is a schematic cross-sectional view of the cleaning ring structure of the present invention;

[0032] Figure 6 For the present invention Figure 5 A magnified schematic diagram of the structure at C in the middle;

[0033] Figure 7 It is a schematic cross-sectional view of the structure of the limit rod of the present invention;

[0034] Figure 8 For the present invention Figure 7 Enlarged schematic diagram of the structure at point D in the middle.

[0035] In the figure: 1. online analyzer; 2. connecting line; 3. plug; 4. winding roller; 5. collar; 6. cleaning ring; 7. bristles; 8. first gear; 9. second gear; 10. first rotating shaft; 11. first bevel gear; 12. second bevel gear; 13. second rotating shaft; 14. third gear; 15. ring gear; 16. moving rod; 17. slide groove; 18. block; 19. limit plate; 20. first spring; 21. bump; 22. coil spring; 23. fourth gear; 24. limit rod; 25. moving plate; 26. second spring; 27. limit tooth block; 28. third rotating shaft; 29. ​​torsion spring; 30. filling plug. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. 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 creative work are within the scope of protection of the present invention.

[0037] like Figures 1 to 8 As shown, in an embodiment of the present invention, a pollutant particle analysis device includes an online analyzer 1, a connecting line 2 is installed inside the online analyzer 1 through a winding component, one end of the connecting line 2 is fixedly connected to a plug 3, and a cleaning component is provided on the outer wall of the connecting line 2;

[0038] The winding assembly includes a winding roller 4 disposed inside the online analyzer 1. The winding roller 4 is rotatably mounted inside the online analyzer 1 through a limiting assembly. A coil spring 22 is mounted on the outer wall of the winding roller 4.

[0039] The cleaning assembly includes a cleaning ring 6 arranged on the outer wall of the connecting line 2, the inner wall of the cleaning ring 6 is fixedly mounted with bristles 7, the outside of the cleaning ring 6 is rotatably connected to a sleeve ring 5 via a rotating assembly, and the sleeve ring 5 is fixedly mounted on one side of the online analyzer 1.

[0040] Existing: CN213802308U discloses a real-time online analysis device for atmospheric pollution particles. This patent discloses the online analyzer proposed in this application document. The online analyzer 1 in this application document adopts the same technical means in this prior art, and this technical means will not be repeated here one by one;

[0041] When the analysis device is used, the plug 3 is first pulled outward, and the movement of the plug 3 drives the movement of the connecting line 2. After the connecting line 2 is pulled out of the online analyzer 1, the plug 3 is connected to the external power supply for use;

[0042] When the connecting line 2 is pulled out, the winding roller 4 rotates, causing the coil spring 22 to deform and store elastic potential energy. After use, the elastic potential energy is released by the coil spring 22 to cause the winding roller 4 to rotate and rewind the connecting line 2. The connecting line 2 comes into contact with the bristles 7 during the winding process, and the outer wall of the connecting line 2 is cleaned by the bristles 7 to ensure the cleanliness of the outer surface of the connecting line 2, thereby increasing the service life of the device.

[0043] like Figures 2 to 5 As shown, the rotating assembly includes an annular gear 15 fixedly mounted on the outer wall of the cleaning ring 6, the top end of the annular gear 15 is meshedly connected with the third gear 14, the inside of the third gear 14 is fixedly mounted with a second rotating shaft 13, the end of the second rotating shaft 13 away from the third gear 14 is fixedly connected with a second bevel gear 12, the top end of the second bevel gear 12 is meshedly connected with the first bevel gear 11, the top end of the first bevel gear 11 is fixedly mounted with a first rotating shaft 10, the top end of the first rotating shaft 10 is fixedly mounted with a second gear 9, one side of the second gear 9 is meshedly connected with the first gear 8, and the first gear 8 is fixedly mounted on the top end of the winding roller 4.

[0044] When the winding roller 4 rotates, it drives the first gear 8 to rotate, and the rotation of the first gear 8 drives the second gear 9 to rotate. The rotation of the second gear 9 drives the first rotating shaft 10 to rotate. The rotation of the first rotating shaft 10 drives the rotation of the first bevel gear 11 and the second bevel gear 12. The rotation of the second bevel gear 12 drives the rotation of the second rotating shaft 13. The rotation of the second rotating shaft 13 drives the rotation of the third gear 14. The rotation of the third gear 14 drives the rotation of the ring gear 15. The rotation of the ring gear 15 drives the cleaning ring 6 to rotate. The rotation of the cleaning ring 6 drives the bristles 7 to rotate, so that the bristles 7 rotate on the outer wall of the connecting line 2 to clean it, thereby improving the cleaning range and effect of the connecting line 2.

[0045] like Figure 4 As shown, the inner wall diameter of the first gear 8 is ten N times the inner wall diameter of the second gear 9, and N is a positive integer.

[0046] The rotation speed of the cleaning ring 6 is increased by the differential speed, so as to improve the cleaning effect of the connecting line 2 as much as possible.

[0047] like Figure 5 and Figure 6 As shown, the interior of the cleaning ring 6 is evenly provided with slide grooves 17, and the slide grooves 17 are evenly arranged in a ring array. A blocking block 18 is slidably installed inside each slide groove 17, and a moving rod 16 is fixedly connected to one side of the blocking block 18. A limiting plate 19 is fixedly installed on the outer wall of the moving rod 16. The limiting plate 19 is slidably installed inside the cleaning ring 6, and a first spring 20 is arranged between the limiting plate 19 and the cleaning ring 6.

[0048] like Figure 5As shown, one end of the moving rod 16 is slidably mounted inside the collar 5 , and a protrusion 21 is fixedly mounted inside the collar 5 .

[0049] A liquid storage cavity is provided inside the cleaning ring 6, and a cleaning liquid is stored in the liquid storage cavity;

[0050] During the rotation of the cleaning ring 6, the moving rod 16 rotates accordingly. When the moving rod 16 rotates to the bottom end of the protrusion 21, it is forced to slide downward, causing the blocking block 18 to slide to the side away from the slide groove 17. The cleaning liquid inside the cleaning ring 6 flows out to clean the surface of the connecting line 2, and cooperates with the bristles 7 to improve the cleaning effect.

[0051] When the moving rod 16 slides downward under the force, the limiting plate 19 is driven to slide. The limiting plate 19 squeezes the first spring 20 to deform and store elastic potential energy, and releases the elastic potential energy to move the moving rod 16 back to its original position, so that the blocking block 18 blocks the slide groove 17, allowing the cleaning liquid to be discharged intermittently.

[0052] like Figure 5 and Figure 6 As shown, a filling plug 30 is embedded in the interior of the cleaning ring 6 .

[0053] Cleaning liquid is added into the liquid storage chamber through the liquid adding plug 30 .

[0054] like Figure 3 , Figure 7 and Figure 8 As shown, the limiting assembly includes a fourth gear 23 fixedly mounted on the outer wall of the winding roller 4, one side of the fourth gear 23 is meshedly connected with a limiting tooth block 27, the limiting tooth block 27 is rotatably mounted inside the limiting rod 24 through a third rotating shaft 28, and a torsion spring 29 is installed on the outer wall of the third rotating shaft 28.

[0055] The interior of the limiting rod 24 is provided with a slide groove 17 for the limiting tooth block 27 to rotate;

[0056] When the analyzing device is used to pull out the connecting line 2, the rotation of the winding roller 4 drives the rotation of the fourth gear 23. When the fourth gear 23 rotates, it forces the limiting tooth block 27 to rotate into the limiting rod 24. When the limiting tooth block 27 rotates, the torsion spring 29 is deformed by force, and the limiting tooth block 27 is reset by releasing its elastic potential energy. The fourth gear 23 is limited by the limiting tooth block 27 to prevent the connecting line 2 from being wound up by the winding roller 4 due to the elasticity of the winding spring 22 after being pulled out, so that the connecting line 2 can be smoothly pulled out for use.

[0057] like Figure 3 , Figure 7 and Figure 8 As shown, the limiting rod 24 is slidably installed inside the online analyzer 1 , and one end of the limiting rod 24 is fixedly connected to a moving plate 25 .

[0058] When the analysis equipment is used, the movable plate 25 is slid, and the movement of the movable plate 25 drives the movement of the limiting rod 24, and the movement of the limiting rod 24 drives the movement of the limiting tooth block 27, so that the limiting tooth block 27 moves to the side away from the fourth gear 23 and separates from it. After separation, the elastic potential energy released by the winding spring 22 drives the winding roller 4 to reel up the connecting line 2.

[0059] like Figure 7 As shown, a second spring 26 is provided on one side of the limiting rod 24 .

[0060] When the moving plate 25 is moved, the second spring 26 is deformed by force, and the moving plate 25 is loosened after the connecting line 2 is rolled up, and the elastic potential energy released by the second spring 26 causes the limiting rod 24 to move and reset.

[0061] A method for analyzing a polluted particle analysis device comprises the following steps:

[0062] S1: When the analysis device is used, the plug 3 is first pulled outward, the movement of the plug 3 drives the movement of the connecting line 2, the connecting line 2 is pulled out of the online analyzer 1, and then the plug 3 is connected to the external power supply for use;

[0063] S2: When the connecting line 2 is pulled out, the winding roller 4 rotates, and the rotation of the winding roller 4 drives the rotation of the fourth gear 23. When the fourth gear 23 rotates, it forces the limiting tooth block 27 to rotate into the limiting rod 24. When the limiting tooth block 27 rotates, the torsion spring 29 is deformed by force, and the limiting tooth block 27 is reset by releasing its elastic potential energy, and the fourth gear 23 is limited by the limiting tooth block 27;

[0064] S3: When the winding roller 4 rotates, the coil spring 22 is deformed to store elastic potential energy. After the analysis device is used, the movable plate 25 is slid, and the movement of the movable plate 25 drives the movement of the limit rod 24. The movement of the limit rod 24 drives the limit tooth block 27 to move, so that the limit tooth block 27 moves to the side away from the fourth gear 23 and separates from it. After separation, the elastic potential energy released by the coil spring 22 drives the winding roller 4 to rotate to reel up the connecting line 2. The rotation of the winding roller 4 drives the first gear 8 to rotate, and the rotation of the first gear 8 drives the second gear 9 to rotate, and the second gear 9 is rotated. The rotation of the gear 9 drives the rotation of the first rotating shaft 10, the rotation of the first rotating shaft 10 drives the rotation of the first bevel gear 11 and the second bevel gear 12, the rotation of the second bevel gear 12 drives the rotation of the second rotating shaft 13, the rotation of the second rotating shaft 13 drives the rotation of the third gear 14, the rotation of the third gear 14 drives the rotation of the ring gear 15, the rotation of the ring gear 15 drives the cleaning ring 6 to rotate, the rotation of the cleaning ring 6 drives the bristles 7 to rotate, so that the connecting line 2 contacts the bristles 7 for cleaning during the winding process;

[0065] S4: During the rotation of the cleaning ring 6, the moving rod 16 rotates accordingly. When the moving rod 16 rotates to the bottom end of the protrusion 21, it is forced to slide downward, so that the blocking block 18 slides to the side away from the slide groove 17. The cleaning liquid inside the cleaning ring 6 flows out to clean the surface of the connecting line 2, and the outer wall of the connecting line 2 is cleaned by the bristles 7 at the same time.

[0066] S5: After the connecting wire 2 is rolled up, the movable plate 25 is loosened, and the elastic potential energy is released by the second spring 26 to move the limiting rod 24 to reset.

[0067] Although 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An analysis device for pollutant particles, comprising an online analyzer (1), characterized in that: A connecting wire (2) is installed inside the online analyzer (1) via a winding assembly, one end of the connecting wire (2) is fixedly connected to a plug (3), and a cleaning assembly is provided on the outer wall of the connecting wire (2); The winding assembly comprises a winding roller (4) arranged inside the online analyzer (1); the winding roller (4) is rotatably mounted inside the online analyzer (1) via a limiting assembly; a coil spring (22) is mounted on the outer wall of the winding roller (4); The cleaning assembly comprises a cleaning ring (6) arranged on the outer wall of the connecting line (2), bristles (7) are fixedly mounted on the inner wall of the cleaning ring (6), and the outside of the cleaning ring (6) is rotatably connected to a sleeve ring (5) via a rotating assembly, and the sleeve ring (5) is fixedly mounted on one side of the online analyzer (1).

2. The pollutant particle analysis device according to claim 1, characterized in that: The rotating assembly comprises a ring gear (15) fixedly mounted on the outer wall of the cleaning ring (6); the top end of the ring gear (15) is meshedly connected with a third gear (14); a second rotating shaft (13) is fixedly mounted inside the third gear (14); an end of the second rotating shaft (13) away from the third gear (14) is fixedly connected with a second bevel gear (12); the top end of the second bevel gear (12) is meshedly connected with a first bevel gear (11); the top end of the first bevel gear (11) is fixedly mounted with a first rotating shaft (10); the top end of the first rotating shaft (10) is fixedly mounted with a second gear (9); one side of the second gear (9) is meshedly connected with a first gear (8); and the first gear (8) is fixedly mounted on the top end of the winding roller (4).

3. The pollutant particle analysis device according to claim 2, characterized in that: The inner wall diameter of the first gear (8) is ten N times the inner wall diameter of the second gear (9), and N is a positive integer.

4. The pollutant particle analysis device according to claim 1, characterized in that: The cleaning ring (6) is evenly provided with sliding grooves (17), and the sliding grooves (17) are evenly arranged in a ring array. A blocking block (18) is slidably installed inside each of the sliding grooves (17). A moving rod (16) is fixedly connected to one side of the blocking block (18). A limiting plate (19) is fixedly installed on the outer wall of the moving rod (16). The limiting plate (19) is slidably installed inside the cleaning ring (6), and a first spring (20) is arranged between the limiting plate (19) and the cleaning ring (6).

5. The pollutant particle analysis device according to claim 4, characterized in that: One end of the moving rod (16) is slidably mounted inside the collar (5), and a protrusion (21) is fixedly mounted inside the collar (5).

6. The pollutant particle analysis device according to claim 1, characterized in that: A liquid filling plug (30) is embedded inside the cleaning ring (6).

7. The pollutant particle analysis device according to claim 1, characterized in that: The limiting assembly comprises a fourth gear (23) fixedly mounted on the outer wall of the winding roller (4); one side of the fourth gear (23) is meshingly connected with a limiting tooth block (27); the limiting tooth block (27) is rotatably mounted inside the limiting rod (24) via a third rotating shaft (28); and a torsion spring (29) is mounted on the outer wall of the third rotating shaft (28).

8. The pollutant particle analysis device according to claim 7, characterized in that: The limiting rod (24) is slidably mounted inside the online analyzer (1), and one end of the limiting rod (24) is fixedly connected to a moving plate (25).

9. The pollutant particle analysis device according to claim 7, characterized in that: A second spring (26) is provided on one side of the limiting rod (24).

10. An analysis method for a pollution particle analysis device, the method being applicable to the pollution particle analysis device according to claims 1 to 9, characterized in that: The following steps are involved: S1: When the analysis device is used, the plug (3) is first pulled outward, and the movement of the plug (3) drives the movement of the connecting wire (2), and the connecting wire (2) is pulled out of the online analyzer (1), and then the plug (3) is connected to an external power supply for use; S2: When the connecting line (2) is pulled out, the winding roller (4) rotates, and the rotation of the winding roller (4) drives the fourth gear (23) to rotate. When the fourth gear (23) rotates, it forces the limit tooth block (27) to rotate into the limit rod (24). When the limit tooth block (27) rotates, the torsion spring (29) is deformed by force, and releases its elastic potential energy to reset the limit tooth block (27), thereby limiting the fourth gear (23) through the limit tooth block (27); S3: When the winding roller (4) rotates, the coil spring (22) deforms to store elastic potential energy. After the analysis device is used, the movable plate (25) is slid, and the movement of the movable plate (25) drives the movement of the limit rod (24). The movement of the limit rod (24) drives the movement of the limit tooth block (27), so that the limit tooth block (27) moves to a side away from the fourth gear (23) and separates from it. After separation, the coil spring (22) releases elastic potential energy to drive the winding roller (4) to rotate to wind up the connecting line (2). The rotation of the winding roller (4) drives the first gear (8) to rotate. The rotation of the first gear (8) drives the second gear (9) to rotate. The rotation of the gear (9) drives the rotation of the first rotating shaft (10), the rotation of the first rotating shaft (10) drives the rotation of the first bevel gear (11) and the second bevel gear (12), the rotation of the second bevel gear (12) drives the rotation of the second rotating shaft (13), the rotation of the second rotating shaft (13) drives the rotation of the third gear (14), the rotation of the third gear (14) drives the rotation of the ring gear (15), the rotation of the ring gear (15) drives the rotation of the cleaning ring (6), the rotation of the cleaning ring (6) drives the rotation of the bristles (7), so that the connecting line (2) contacts the bristles (7) during the winding process for cleaning; S4: During the rotation of the cleaning ring (6), the moving rod (16) rotates accordingly. When the moving rod (16) rotates to the bottom end of the protrusion (21), it is forced to slide downward, so that the blocking block (18) slides to the side away from the slide groove (17). The cleaning liquid inside the cleaning ring (6) flows out to clean the surface of the connecting line (2), and at the same time, the outer wall of the connecting line (2) is cleaned by the bristles (7); S5: After the connecting wire (2) is rolled up, the movable plate (25) is loosened, and the elastic potential energy is released by the second spring (26) to move the limiting rod (24) back to its original position.

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