A remote environmental pollution monitoring system and monitoring method thereof

Abstract

The present invention discloses a remote environmental pollution monitoring system and a monitoring method thereof, which relates to the technical field of environmental pollution monitoring systems, and includes a sampling barrel, a fixed plate is fixedly connected to the surface of the sampling barrel, a through hole is opened on the surface at the end position of the sampling barrel, an internal thread is arranged on the inner wall of the end of the sampling barrel, a threaded sleeve is threadedly connected to the end of the sampling barrel, the threaded sleeve is fixedly connected to a probe, a fixed column is fixedly connected to the inside of the probe, and a sampling head is fixedly installed on the fixed column. The present invention has a reasonable structure, and by pulling the adjusting disk, the piston is facilitated to move inside the sampling barrel, so that the smoke enters the inside of the sampling barrel through the through hole, thereby facilitating the collection and detection of smoke pollutants.

Description

Technical Field

[0001] The present invention relates to the technical field of pollutant detection, and in particular to a remote environmental pollution monitoring system and a monitoring method thereof. Background Art

[0002] Industrial pollution is the most serious environmental pollution. When phthalates are processed into products, they need to be heated, and then the phthalates and other mixtures are cooled and formed through molds. When phthalates are detected, they are collected manually. However, the existing phthalates will produce smoke when heated, and the smoke generated by phthalates cannot be well collected and detected manually. Therefore, a remote environmental pollution monitoring system and a monitoring method thereof are designed to solve the above problems. Summary of the invention

[0003] The purpose of the present application is to provide a remote environmental pollution monitoring system and a monitoring method thereof, which can realize pulling the adjusting disk and then facilitating the movement of the piston inside the sampling tube, so that the flue gas enters the interior of the sampling tube through the through hole, thereby facilitating the collection and detection of flue gas pollutants.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical solutions: a remote environmental pollution monitoring system, comprising a sampling barrel, a fixed plate is fixedly connected to the surface of the sampling barrel, a through hole is opened on the surface at the end position of the sampling barrel, an internal thread is arranged on the inner wall of the end of the sampling barrel, a threaded sleeve is threadedly connected to the end of the sampling barrel, the threaded sleeve is fixedly connected to the probe, a fixed column is fixedly connected to the inside of the probe, a sampling head is fixedly installed on the fixed column, a piston is movably connected to the inner wall of the sampling barrel, a pull rod is fixedly connected to the piston, a fixed plate is sleeved on the pull rod, the fixed plate is fixedly connected to the inner wall of the sampling barrel, an adjusting disk is fixedly connected to one end of the pull rod, a first spring is sleeved on the pull rod, and the two ends of the first spring are respectively fixedly connected to one side of the piston and one side of the fixed plate; and also includes a limit assembly, a closing assembly and a positioning assembly, the limit assembly is installed at one end of the sampling barrel to cooperate with the pull rod for use, the closing assembly is installed on the surface of the sampling barrel to cooperate with the through hole for use, and the positioning assembly is installed on the closing assembly for use.

[0005] Preferably, the limiting assembly includes a circular ring fixedly connected to one end of the sampling tube, the outer surface of the circular ring is symmetrically fixedly connected to a fixing seat, the fixing seat is fixedly connected to a positioning column, a limiting plate is fixedly connected between the positioning columns, and the pull rod is movably inserted in the middle of the limiting plate.

[0006] Preferably, a support plate is fixedly connected to one side of the circular ring, a top plate is fixedly connected to an opposite end of the support plate, and the pull rod is movably inserted into the middle of the top plate.

[0007] Preferably, a plurality of groups of limiting holes are provided on the surface of the pull rod, a limiting rod is inserted into one of the limiting holes, a shaft rod seat is sleeved on the limiting rod, one end of the shaft rod seat is fixedly connected to the limiting plate, one end of the limiting rod is fixedly connected to a blocking piece, one end of the limiting rod is fixedly connected to an insertion rod, a second spring is sleeved on the limiting rod, and two ends of the second spring are respectively fixedly connected to one side of the shaft rod seat and one side of the blocking piece.

[0008] Preferably, the closing component includes a limiting ring slidably connected to the surface of the sampling barrel, a spacer piece is fixedly connected to one side of the limiting ring, the spacer piece is adhered to the surface of the sampling barrel, an adjustment seat is fixedly connected to the surface of the limiting ring, a fixing rod is fixedly connected to the adjustment seat, the other end of the fixing rod is fixedly connected to a linkage piece, and the linkage piece is slidably connected to the surface of the sampling barrel.

[0009] Preferably, a sleeve is fixedly connected to the fixing rod, a docking plate is fixedly connected to the sleeve, a pull plate is fixedly connected to the middle of the docking plate, the pull plate is attached to the fixing sheet, and a tooth plate is symmetrically fixedly connected to the surface of the sampling tube.

[0010] Preferably, the positioning assembly includes a placement plate fixedly connected to the linkage plate, a hinge seat fixedly connected to the placement plate, a movable block rotatably connected to the hinge seat, a clamping block fixedly connected to one side of the movable block, and the clamping block is clamped on the tooth plate.

[0011] Preferably, a top pressure plate is fixedly connected to the placement plate, and a sliding groove is provided on the top pressure plate.

[0012] Preferably, an axle pin is movably inserted inside the slide groove, one end of the axle pin is fixedly connected to the movable block, the other end of the axle pin is fixedly connected to a disc, a third spring is sleeved on the axle pin, and both ends of the third spring are respectively fixedly connected to one side of the movable block and one side of the top pressure plate.

[0013] The present invention also provides a portable plug-in flue gas pollutant sample detection method, comprising the following steps:

[0014] Step 1: insert the sampling tube into the pollutant to be detected, and a fixing plate is provided on the surface of the sampling tube, and then pull the adjusting disk to make the piston move inside the sampling tube, so that negative pressure is formed inside the sampling tube;

[0015] Step 2: The smoke pollutants to be detected then enter the interior of the sampling tube through the through hole, so that the pollutants adhere to the sampling head. The sampling head can be removed by rotating the probe, thereby facilitating the detection of the pollutants and transmitting the detected pollutant data to the remote server;

[0016] Step 3: Finally, push the pull plate to facilitate the sliding of the limit ring on the surface of the sampling tube, so that the baffle plate on the limit ring blocks the through hole to prevent the pollutants from escaping outside the sampling tube.

[0017] In summary, the present invention has the following beneficial effects:

[0018] 1. The present invention has a reasonable structure. One end of the sampling tube is inserted into the flue gas pollutants to be collected. By pulling the adjusting disk, the piston moves inside the sampling tube. The flue gas pollutants enter the sampling tube through the through hole. Then, the limiting rod is inserted into the limiting hole through the elastic force of the second spring, so that the position of the pull rod is fixed;

[0019] 2. In the present invention, when the flue gas pollutants are inside the sampling tube, the pull plate is pushed, and the push of the pull plate drives the docking plate, and the movement of the docking plate drives the fixed rod to move through the sleeve, and one end of the fixed rod is fixedly connected to the adjustment seat, and the adjustment seat is driven to move by the movement of the fixed rod. The adjustment seat is fixedly connected to the limit ring, and a baffle is fixedly connected to one side of the limit ring. The movement of the adjustment seat drives the baffle to move through the limit ring, so that the baffle can block the through hole on the surface of the sampling tube;

[0020] 3. In the present invention, when it is necessary to fix the position of the baffle plate, a placement plate is fixedly connected to the linkage plate, and a top pressure plate is fixedly connected to the placement plate, a slide groove is provided on the top pressure plate, a third spring is sleeved on the slide groove, the movable block is rotated by the elastic force of the third spring, and a clamping block is fixedly connected to the opposite side of the movable block, and the clamping block is clamped inside the tooth plate by the elastic force of the third spring, thereby facilitating the fixing of the position of the baffle plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the sampling tube;

[0023] Figure 2It is a schematic diagram of the three-dimensional structure of the sampling tube from a side view;

[0024] Figure 3 It is a schematic diagram of the three-dimensional structure of the sampling tube from the rear;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the cross section of the sampling tube;

[0026] Figure 5 It is a schematic diagram of the local three-dimensional structure of the sampling tube;

[0027] Figure 6 It is a schematic diagram of the overall three-dimensional structure of the sampling tube;

[0028] Figure 7 It is a schematic diagram of the three-dimensional structure of the closed component;

[0029] Figure 8 for Figure 7 The enlarged structural diagram at B in the middle;

[0030] Fig. 9 for Figure 3 Enlarged structural diagram at A in the middle.

[0031] In the figure: 1, sampling tube; 101, fixing plate; 102, through hole; 103, threaded sleeve; 104, probe; 105, fixing column; 106, sampling head; 107, piston; 108, pull rod; 109, fixing plate; 110, adjusting plate; 112, first spring; 2, ring; 201, fixing seat; 202, positioning column; 203, limiting plate; 204, supporting plate; 205, top plate; 206, limiting hole; 207, limiting rod; 208, shaft Rod seat; 209, baffle; 210, plug rod; 211, second spring; 3, limit ring; 301, baffle; 302, adjustment seat; 303, fixed rod; 304, linkage plate; 305, sleeve; 306, docking plate; 307, pull plate; 308, tooth plate; 4, placement plate; 401, hinged seat; 402, movable block; 403, clamping block; 404, top pressure plate; 405, slide groove; 406, shaft pin; 407, disc; 408, third spring. DETAILED DESCRIPTION

[0032] 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.

[0033] Example: Reference Figure 1-Figure 9A remote environmental pollution monitoring system and a monitoring method thereof are shown, comprising a sampling tube 1, a fixed plate 101 is fixedly connected to the surface of the sampling tube 1, a through hole 102 is opened on the surface at the end position of the sampling tube 1, an internal thread is arranged on the inner wall of the end of the sampling tube 1, a threaded sleeve 103 is threadedly connected to the end of the sampling tube 1, the threaded sleeve 103 is fixedly connected to a probe 104, a fixed column 105 is fixedly connected to the inside of the probe 104, a sampling head 106 is fixedly installed on the fixed column 105, a piston 107 is movably connected to the inner wall of the sampling tube 1, a pull rod 108 is fixedly connected to the piston 107, and a pull rod 108 is pulled to move the piston 107. A fixing plate 109 is sleeved on the rod 108, and the fixing plate 109 is fixedly connected to the inner wall of the sampling tube 1. One end of the pull rod 108 is fixedly connected to an adjusting disk 110. A first spring 112 is sleeved on the pull rod 108, and the two ends of the first spring 112 are respectively fixedly connected to one side of the piston 107 and one side of the fixing plate 109; it also includes a limit assembly, a closing assembly and a positioning assembly. The limit assembly is installed on one end of the sampling tube 1 for use in conjunction with the pull rod 108, the closing assembly is installed on the surface of the sampling tube 1 for use in conjunction with the through hole 102, and the positioning assembly is installed on the closing assembly for use in conjunction.

[0034] Specifically, it should be noted that the sampling tube 1 is inserted into the equipment to be collected, and then the adjusting disk 110 is pulled so that the flue gas pollutants enter the interior of the sampling tube 1 through the through hole 102, and the through hole 102 is blocked by the barrier piece 301 to prevent the collected flue gas pollutants from being discharged outside the sampling tube 1.

[0035] As an implementation method in this embodiment, the limiting assembly includes a ring 2 fixedly connected to one end of the sampling tube 1, the outer surface of the ring 2 is symmetrically fixedly connected to a fixing seat 201, the fixing seat 201 is fixedly connected to a positioning column 202, a limiting plate 203 is fixedly connected between the positioning columns 202, a pull rod 108 is movably inserted in the middle of the limiting plate 203, a support plate 204 is fixedly connected to one side of the ring 2, and a top plate 205 is fixedly connected to the opposite end of the support plate 204, and a pull rod 108 is movably inserted in the middle of the top plate 205. A plurality of groups of limiting holes 206 are provided on the surface of the pull rod 108, a limiting rod 207 is inserted into one of the limiting holes 206, an axle rod seat 208 is sleeved on the limiting rod 207, one end of the axle rod seat 208 is fixedly connected to the limiting plate 203, one end of the limiting rod 207 is fixedly connected to a blocking piece 209, one end of the limiting rod 207 is fixedly connected to an insertion rod 210, a second spring 211 is sleeved on the limiting rod 207, and two ends of the second spring 211 are respectively fixedly connected to one side of the axle rod seat 208 and one side of the blocking piece 209.

[0036] Specifically, one end of the sampling tube 1 is inserted into the flue gas pollutants to be collected, and the adjusting disk 110 is pulled, and then the piston 107 moves inside the sampling tube 1. The flue gas pollutants will enter the interior of the sampling tube 1 through the through hole 102, and then the limiting rod 207 will be inserted into the interior of the limiting hole 206 through the elastic force of the second spring 211, thereby facilitating the fixing of the position of the pull rod 108.

[0037] As an implementation mode in this embodiment, the closing component includes a limiting ring 3 slidably connected to the surface of the sampling barrel 1, a blocking plate 301 is fixedly connected to one side of the limiting ring 3, the blocking plate 301 is attached to the surface of the sampling barrel 1, an adjusting seat 302 is fixedly connected to the surface of the limiting ring 3, a fixing rod 303 is fixedly connected to the adjusting seat 302, the other end of the fixing rod 303 is fixedly connected to a linkage plate 304, the linkage plate 304 is slidably connected to the surface of the sampling barrel 1, a sleeve 305 is fixedly connected to the fixing rod 303, a docking plate 306 is fixedly connected to the sleeve 305, a pull plate 307 is fixedly connected to the middle position of the docking plate 306, the pull plate 307 is attached to the fixing plate 101, and a tooth plate 308 is symmetrically fixedly connected to the surface of the sampling barrel 1.

[0038] Specifically, when the flue gas pollutants are inside the sampling tube 1, the pull plate 307 is pushed, and the push of the pull plate 307 drives the docking plate 306, and the movement of the docking plate 306 drives the fixed rod 303 to move through the sleeve 305. One end of the fixed rod 303 is fixedly connected to the adjustment seat 302, and the adjustment seat 302 is driven to move by the movement of the fixed rod 303. The adjustment seat 302 is fixedly connected to the limiting ring 3, and one side of the limiting ring 3 is fixedly connected with a baffle plate 301. The movement of the adjustment seat 302 drives the baffle plate 301 to move through the limiting ring 3, so that the baffle plate 301 can block the through hole 102 on the surface of the sampling tube 1.

[0039] As an implementation method in this embodiment, the positioning assembly includes a placement plate 4 fixedly connected to the linkage plate 304, the placement plate 4 is fixedly connected to a hinge seat 401, the hinge seat 401 is rotatably connected to a movable block 402, one side of the movable block 402 is fixedly connected to a clamping block 403, the clamping block 403 is clamped on the tooth plate 308, the placement plate 4 is fixedly connected to a top pressure plate 404, the top pressure plate 404 is provided with a slide groove 405, the slide groove 405 has an axle pin 406 movably inserted inside, one end of the axle pin 406 is fixedly connected to the movable block 402, the other end of the axle pin 406 is fixedly connected to a disc 407, a third spring 408 is sleeved on the axle pin 406, and the two ends of the third spring 408 are respectively fixedly connected to one side of the movable block 402 and one side of the top pressure plate 404.

[0040] Specifically, when it is necessary to fix the position of the baffle plate 301, a placement plate 4 is fixedly connected to the linkage plate 304, and a top pressure plate 404 is fixedly connected to the placement plate 4, a slide groove 405 is opened on the top pressure plate 404, and a third spring 408 is sleeved on the slide groove 405, and the movable block 402 is rotated by the elastic force of the third spring 408, and a clamping block 403 is fixedly connected to the opposite side of the movable block 402, and the clamping block 403 is clamped in the tooth plate 308 by the elastic force of the third spring 408, thereby facilitating the fixing of the position of the baffle plate 301.

[0041] The working principle of the present invention is as follows: insert one end of the sampling cylinder 1 into the flue gas pollutants to be collected, pull the adjusting disk 110, and then the piston 107 moves inside the sampling cylinder 1, and the flue gas pollutants enter the inside of the sampling cylinder 1 through the through hole 102, and then the limiting rod 207 is inserted into the inside of the limiting hole 206 through the elastic force of the second spring 211, so as to facilitate the fixing of the position of the pull rod 108;

[0042] When the flue gas pollutants are inside the sampling tube 1, the pull plate 307 is pushed, and the push of the pull plate 307 drives the docking plate 306, and the movement of the docking plate 306 drives the fixed rod 303 to move through the sleeve 305. One end of the fixed rod 303 is fixedly connected to the adjustment seat 302, and the adjustment seat 302 is driven to move by the movement of the fixed rod 303. The adjustment seat 302 is fixedly connected to the limiting ring 3, and a baffle 301 is fixedly connected to one side of the limiting ring 3. The movement of the adjustment seat 302 drives the baffle 301 to move through the limiting ring 3, so that the baffle 301 can block the through hole 102 on the surface of the sampling tube 1.

[0043] When the position of the baffle plate 301 needs to be fixed, a placement plate 4 is fixedly connected to the linkage plate 304, and a top pressure plate 404 is fixedly connected to the placement plate 4, a slide groove 405 is opened on the top pressure plate 404, and a third spring 408 is sleeved on the slide groove 405, and the movable block 402 is rotated by the elastic force of the third spring 408, and a clamping block 403 is fixedly connected to the opposite side of the movable block 402, and the clamping block 403 is clamped inside the tooth plate 308 by the elastic force of the third spring 408, thereby facilitating the fixing of the position of the baffle plate 301.

[0044] The present invention also provides a portable plug-in flue gas pollutant sample detection method, comprising the following steps:

[0045] Step 1: insert the sampling tube 1 into the pollutant to be detected, a fixing sheet 101 is provided on the surface of the sampling tube 1, and then pull the adjusting disk 110 to move the piston 107 inside the sampling tube 1, so that negative pressure is formed inside the sampling tube 1;

[0046] Step 2: The smoke pollutants to be detected then enter the interior of the sampling tube 1 through the through hole 102, so that the pollutants adhere to the sampling head 106. The sampling head 106 can be taken out by rotating the probe 104, thereby facilitating the detection of the pollutants and transmitting the detected pollutant data to the remote server;

[0047] Step three, finally push the pull plate 307 to facilitate the sliding of the limit ring 3 on the surface of the sampling tube 1, so that the barrier sheet 301 on the limit ring 3 blocks the through hole 102 to prevent the pollutants from escaping outside the sampling tube 1.

[0048] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A remote environmental pollution monitoring system, comprising a sampling mechanism for collecting environmental pollutants, the sampling mechanism comprising a sampling cylinder (1), characterized in that: A fixing plate (101) is fixedly connected to the surface of the sampling tube (1); a through hole (102) is provided on the surface at the end position of the sampling tube (1); an internal thread is provided on the inner wall of the end of the sampling tube (1); a threaded sleeve (103) is threadedly connected to the end of the sampling tube (1); the threaded sleeve (103) is fixedly connected to the probe (104); a fixing column (105) is fixedly connected to the inside of the probe (104); a sampling head (106) is fixedly mounted on the fixing column (105); and the inner wall of the sampling tube (1) is provided with a fixed screw thread. A piston (107) is movably connected, a pull rod (108) is fixedly connected to the piston (107), a fixing plate (109) is sleeved on the pull rod (108), the fixing plate (109) is fixedly connected to the inner wall of the sampling tube (1), one end of the pull rod (108) is fixedly connected to an adjusting disk (110), the pull rod (108) is sleeved with a first spring (112), and two ends of the first spring (112) are respectively fixedly connected to one side of the piston (107) and one side of the fixing plate (109); It also includes a limiting component, a closing component and a positioning component, wherein the limiting component is installed at one end of the sampling barrel (1) and is used in conjunction with the pull rod (108), the closing component is installed on the surface of the sampling barrel (1) and is used in conjunction with the through hole (102), and the positioning component is installed on the closing component and is used in conjunction with it; The sealing component comprises a limit ring (3) slidably connected to the surface of the sampling barrel (1); a baffle plate (301) is fixedly connected to one side of the limit ring (3); the baffle plate (301) is attached to the surface of the sampling barrel (1); an adjustment seat (302) is fixedly connected to the surface of the limit ring (3); a fixing rod (303) is fixedly connected to the adjustment seat (302); the other end of the fixing rod (303) is fixedly connected to a linkage plate (304); and the linkage plate (304) is slidably connected to the surface of the sampling barrel (1); The fixing rod (303) is fixedly connected to a sleeve (305), the sleeve (305) is fixedly connected to a docking plate (306), a pull plate (307) is fixedly connected to the middle of the docking plate (306), the pull plate (307) is attached to the fixing plate (101), and a tooth plate (308) is symmetrically fixedly connected to the surface of the sampling tube (1).

2. A remote environmental pollution monitoring system according to claim 1, characterized in that: The limiting assembly comprises a circular ring (2) fixedly connected to one end of the sampling tube (1); a fixing seat (201) is symmetrically fixedly connected to the outer surface of the circular ring (2); a positioning column (202) is fixedly connected to the fixing seat (201); a limiting plate (203) is fixedly connected between the positioning columns (202); and the pull rod (108) is movably inserted in the middle of the limiting plate (203).

3. A remote environmental pollution monitoring system according to claim 2, characterized in that: A support plate (204) is fixedly connected to one side of the circular ring (2), a top plate (205) is fixedly connected to the opposite end of the support plate (204), and the pull rod (108) is movably inserted in the middle of the top plate (205).

4. A remote environmental pollution monitoring system according to claim 3, characterized in that: The surface of the pull rod (108) is provided with a plurality of groups of limiting holes (206), a limiting rod (207) is inserted into one of the limiting holes (206), an axle rod seat (208) is sleeved on the limiting rod (207), one end of the axle rod seat (208) is fixedly connected to the limiting plate (203), one end of the limiting rod (207) is fixedly connected to a blocking piece (209), one end of the limiting rod (207) is fixedly connected to an insertion rod (210), a second spring (211) is sleeved on the limiting rod (207), and two ends of the second spring (211) are respectively fixedly connected to one side of the axle rod seat (208) and one side of the blocking piece (209).

5. A remote environmental pollution monitoring system according to claim 4, characterized in that: The positioning assembly comprises a placement plate (4) fixedly connected to the linkage plate (304), a hinge seat (401) fixedly connected to the placement plate (4), a movable block (402) rotatably connected to the hinge seat (401), a clamping block (403) fixedly connected to one side of the movable block (402), and the clamping block (403) clamped on the tooth plate (308).

6. A remote environmental pollution monitoring system according to claim 5, characterized in that: A top pressure plate (404) is fixedly connected to the placement plate (4), and a sliding groove (405) is provided on the top pressure plate (404).

7. A remote environmental pollution monitoring system according to claim 6, characterized in that: An axle pin (406) is movably inserted inside the slide groove (405), one end of the axle pin (406) is fixedly connected to the movable block (402), the other end of the axle pin (406) is fixedly connected to a disc (407), a third spring (408) is sleeved on the axle pin (406), and two ends of the third spring (408) are respectively fixedly connected to one side of the movable block (402) and one side of the top pressure plate (404).

8. A remote environmental pollution monitoring method, based on a remote environmental pollution monitoring system as claimed in any one of claims 1 to 7, characterized in that: The steps include: Step 1: insert the sampling tube (1) into the pollutant to be detected, a fixing plate (101) is provided on the surface of the sampling tube (1), and then the adjustment disk (110) is pulled to move the piston (107) inside the sampling tube (1), so that a negative pressure is formed inside the sampling tube (1); Step 2: The flue gas pollutants to be detected then enter the interior of the sampling tube (1) through the through hole (102), so that the pollutants adhere to the sampling head (106), and the sampling head (106) is removed by rotating the probe (104), thereby facilitating the detection of the pollutants, and transmitting the detected pollutant data to a remote server; Step three: Finally, the pull plate (307) is pushed to facilitate the sliding of the limit ring (3) on the surface of the sampling tube (1), so that the baffle plate (301) on the limit ring (3) blocks the through hole (102) to prevent the pollutants from escaping outside the sampling tube (1).

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