An atmospheric pollutant concentration detection device

Abstract

The application provides an atmospheric pollutant concentration detection equipment and relates to the technical field of atmospheric pollutant detection.The atmospheric pollutant concentration detection equipment comprises a control pipe and a plurality of guide rods which are installed on the inner wall of the control pipe at equal intervals, each of the guide rods is slidably connected with a guide sleeve, a plurality of the guide sleeves are provided with a piston disc, the piston disc is connected with a tension spring, the other end of the tension spring is connected with the control pipe, a plurality of internal rods are slidably connected with the control pipe, and the internal rods are provided with round heads.The atmospheric pollutant concentration detection equipment has the advantages of innovative effect, solution to the problem of difficult maintenance of the filtering system in traditional equipment, long-term stable operation without manual intervention through the impact mechanism design, the feature of being particularly suitable for installation in inaccessible positions such as high towers and the top of buildings, reduced maintenance frequency and difficulty, and reduced operation and maintenance cost and safety risk.

Description

Technical Field

[0001] The present invention relates to the technical field of atmospheric pollutant detection, and more particularly to an atmospheric pollutant concentration detection device. Background Art

[0002] In the current field of atmospheric environmental monitoring, air pollutant concentration detection equipment, as a key tool for environmental quality assessment, is widely used in urban environmental monitoring, industrial pollution control and scientific analysis by research institutions. To ensure the comprehensiveness and accuracy of data collection, this type of detection equipment usually needs to collect air samples from multiple directions and angles to obtain a complete map of the distribution of pollutants in the environment. To achieve this goal, the equipment is often designed with multiple directional air intake duct systems, and each air intake duct needs to be installed with a dedicated filter assembly. These filters can not only effectively block large particulate matter in the air such as dust, pollen and insects, preventing them from entering the precise detection cavity and causing interference or damage, but also ensure the purity of the collected samples and improve the reliability of the test results. However, although this multi-duct and multi-filter design structure improves the comprehensiveness of detection, it also brings significant challenges in maintenance and management.

[0003] As the equipment continues to operate for longer, the filters in each air intake duct will inevitably accumulate a large amount of particulate matter in the air, causing the filter pores to be gradually filled or even completely blocked. This blockage will not only directly reduce the air sampling efficiency and disrupt the preset sampling flow, but may also cause the detection data to deviate or be completely distorted, affecting the accuracy and continuity of environmental monitoring. What is more troublesome is that such detection equipment is usually installed on high-altitude towers, building tops or other special locations that are difficult to reach to avoid ground disturbance and obtain more representative air samples. Although this installation location is conducive to collecting high-quality environmental data, it increases the difficulty of daily maintenance. When the filter is blocked, maintenance personnel often need to use special tools or build temporary platforms to access the equipment. The process of cleaning or replacing the filter components is not only time-consuming and labor-intensive, but may also pose a safety hazard. This maintenance difficulty not only increases operating costs, but also significantly reduces the overall efficiency and data reliability of the atmospheric pollution monitoring system. Summary of the Invention

[0004] (1) Technical problems solved

[0005] In view of the problems existing in the prior art, the present invention provides an atmospheric pollutant concentration detection device to solve the technical problems mentioned in the background technology.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an atmospheric pollutant concentration detection device, comprising a fixedly installed detector; also comprising an impact mechanism, the impact mechanism comprising a control tube and a plurality of guide rods installed at equal intervals on the inner wall of the control tube, each of the guide rods being slidably connected to a guide sleeve, a plurality of guide sleeves being installed on each of which is a piston disc, a tension spring being connected to the piston disc, the other end of the tension spring being connected to the control tube, a plurality of internal rods being slidably connected to the control tube, a round head being provided on the internal rod, and a plurality of through holes corresponding to the internal rods being opened on the piston disc; also comprising a filtering mechanism, the filtering mechanism comprising a trumpet installed on the control tube, a head sleeve being coaxially installed on the trumpet, a collision frame being slidably connected in the head sleeve, and a filter layer being installed on the collision frame.

[0008] Preferably, the impact mechanism further comprises an annular ring mounted on the plurality of the internal rods, an internal disk being mounted on the end of the plurality of the internal rods away from the round head, a tail spring being mounted on the internal disk, the tail spring being in contact with the control tube, the internal disk serving as the fixed end of the plurality of internal rods, concentrating the force transmission of each rod, the intrusion design between the tail spring and the control tube also providing the entire system with a pre-tightening force in the initial state, preventing the components from loosening or shaking.

[0009] Preferably, a tail tube is threadedly connected to the control tube, the inner disk is slidably connected to the tail tube, and the tail tube abuts against the side wall of the inner disk. This structure realizes adjustable fixation between the tail tube and the control tube through a threaded connection, which is convenient for later maintenance or adjustment. At the same time, the sliding connection design between the inner disk and the tail tube limits the movement trajectory of the inner disk, ensuring that it can only move along the predetermined direction to prevent deviation from the working axis.

[0010] Preferably, an air pump is installed on the detector, one end of the air pump is connected to the detector, and the other end of the air pump is connected to a combined tube. This configuration makes the air pump the power source of the entire system, and achieves continuous collection of air samples by generating negative pressure in the detector. The design of one end of the air pump being connected to the inside of the detector ensures that the collected air samples can directly enter the detection area for analysis without the need for additional transfer steps, thereby improving sampling efficiency and data accuracy.

[0011] Preferably, a plurality of air inlet pipes are installed at equal intervals on the combined tube, and a bend is installed on each of the air inlet pipes, and the bend is connected to the control tube. This design creates a multi-channel gas collection network. The equally spaced air inlet pipes ensure that air samples collected from different directions have the same flow resistance and flow characteristics.

[0012] Preferably, the filtering mechanism further comprises an impact frame mounted on the piston disc, which is attached to the collision frame when the air pump is working, and this design forms an energy conversion device, the impact frame mounted on the piston disc converts the suction force generated by the air pump into mechanical thrust, and when the system is working normally, the attachment of the impact frame to the collision frame ensures accurate force transmission between the two components, while when the filter layer is blocked and the air pump stops working, the attachment will be broken, releasing the energy stored in the tension spring, allowing the impact frame to move at high speed and hit the collision frame, this design not only realizes efficient storage and release of energy, but also ensures that the impact force can accurately act on the filter layer, maximizing the dust removal effect.

[0013] Preferably, a plurality of telescopic rods are mounted on the collision frame at equal intervals, and the plurality of telescopic rods are slidingly connected to the head sleeve, and a limiting ring is screw-mounted on the head sleeve, and this structure creates a movement guide system, and the plurality of telescopic rods mounted on the collision frame at equal intervals ensure that the collision frame remains stable during movement.

[0014] Preferably, a head pipe is screw-mounted on the head sleeve, a plurality of return springs are mounted in the head pipe, a plurality of telescopic discs are mounted on the plurality of return springs, and the plurality of telescopic rods abut against the telescopic discs.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the present application provides an atmospheric pollutant concentration detection device, which has the following beneficial effects:

[0017] The design of the atmospheric pollutant concentration detection device brings innovative effects, and solves the problem of difficult maintenance of the filtering system in traditional equipment, first, the device realizes the automatic cleaning function of the filter layer through the impact mechanism design, which can maintain long-term stable operation without manual intervention, this feature is particularly suitable for installation in high-altitude towers, the top of buildings and other difficult-to-access locations, reducing the frequency and difficulty of maintenance, and reducing operation and maintenance costs and safety risks.

[0018] The core innovation of the device is the automatic cleaning system, when the filter layer accumulates dust to a certain extent, the air flow resistance increases to automatically trigger a series of reactions: the piston disc moves under the action of air pressure difference, the tension spring is stretched to store energy, the internal rod gradually blocks the through hole, and finally completely blocks the air flow channel, at this time, the filter layer no longer bears the suction force, and returns to the initial position under the action of the return spring, when the air pump stops working, the energy stored in the tension spring drives the piston disc and the impact frame to move at high speed, generating an impact force acting on the collision frame and the filter layer, effectively shaking off the adhering dust particles, this design cleverly converts the suction force of the air pump into cleaning force, realizing the functional cycle of "self-diagnosis and automatic cleaning".

[0019] Another innovation of this equipment is the multi-intake duct balancing mechanism. Multiple intake ducts are distributed in different directions. Even if individual filter layers are temporarily blocked, other channels can still work normally, ensuring the continuity of data collection. The through-hole design can balance the air pressure on both sides of the piston disc under normal working conditions. The cleaning mechanism will only be triggered when the filter layer is severely blocked. This judgment ability avoids unnecessary cleaning operations and extends the service life of equipment components.

[0020] The device's self-cleaning characteristics make it particularly suitable for deployment in remote areas, harsh environments, or monitoring points that are difficult to maintain frequently, expanding the coverage and application scenarios of the environmental monitoring network. This technological innovation not only improves the performance of individual devices, but also improves the efficiency and data quality of the entire environmental monitoring system, providing a more scientific and reliable basis for environmental protection decision-making. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of an atmospheric pollutant concentration detection device in the present invention;

[0022] Figure 2 Schematic diagram of the structure of the air pump and the combined pipe in the present invention;

[0023] Figure 3 Schematic diagram of the structure of the combined pipe and the air intake pipe in the present invention;

[0024] Figure 4 Schematic diagram of the structure of the elbow and control pipe in the present invention;

[0025] Figure 5 For the present invention Figure 4 Schematic diagram of the cross-sectional structure;

[0026] Figure 6 Schematic diagram of the cross-sectional structure of the elbow and tail pipe in the present invention;

[0027] Figure 7 Schematic diagram of the structure of the piston disc and impact frame in the present invention;

[0028] Figure 8 Schematic diagram of the structure of the collision frame and the filter layer in the present invention;

[0029] Figure 9 Schematic diagram of the structure of the inner disk and the inner rod in the present invention;

[0030] Figure 10 Schematic diagram of the structure of the head tube and the return spring in the present invention;

[0031] Figure 11 Schematic diagram of the structure of the control tube in the present invention.

[0032] In the figure: 11, detector; 21, control tube; 22, guide rod; 23, guide sleeve; 24, piston disc; 25, tension spring; 26, inner rod; 27, round head; 28, through hole; 29, annular ring; 31, trumpet tube; 32, head sleeve; 33, collision frame; 34, impact frame; 35, telescopic rod; 36, limit ring; 37, head tube; 38, return spring; 39, telescopic disc; 210, inner disc; 211, tail spring; 212, tail tube; 213, air pump; 214, combined tube; 215, intake pipe; 216, elbow; 101, filter layer. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0035] In the present invention, unless otherwise specified, directions such as "up" and "down" are generally used with respect to the directions shown in the drawings, or with respect to the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "left" and "right" are generally used with respect to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0036] See also Figures 1 to 11, an atmospheric pollutant concentration detection device includes a fixed detector 11; also includes an impact mechanism, the impact mechanism includes a control tube 21 and a plurality of guide rods 22 installed on the inner wall of the control tube 21 at equal intervals, each guide rod 22 is slidably connected to a guide sleeve 23, a plurality of guide sleeves 23 are installed on the piston disc 24, the piston disc 24 is connected to a tension spring 25, the other end of the tension spring 25 is connected to the control tube 21, the control tube 21 is slidably connected to a plurality of internal rods 26, the internal rod 26 is provided with a round head 27, the piston disc 24 is provided with a plurality of through holes 28 corresponding to the internal rods 26, the impact mechanism also includes an annular ring 29 installed on the plurality of internal rods 26, a plurality of An inner disk 210 is installed at the end of the inner rod 26 away from the round head 27, and a tail spring 211 is installed on the inner disk 210. The tail spring 211 abuts against the control tube 21. A tail tube 212 is threadedly connected to the control tube 21. The inner disk 210 is slidably connected to the tail tube 212, and the tail tube 212 abuts against the side wall of the inner disk 210. An air pump 213 is installed on the detector 11. One end of the air pump 213 is connected to the detector 11, and the other end of the air pump 213 is connected to a combined tube 214. A plurality of air intake pipes 215 are installed at equal intervals on the combined tube 214. Each air intake pipe 215 is respectively installed with a bend pipe 216, and the bend pipe 216 is connected to the control tube 21.

[0037] When performing air intake adsorption, negative pressure is first generated in the combined tube 214 under the action of the air pump 213. Since multiple air intake pipes 215 are respectively connected to the combined tube 214, the gas at this time is first sucked into the air intake pipe 215 through the filter layer 101, and thus the gas will be sucked into the detector 11, and then the corresponding detection process can be carried out.

[0038] During long-term adsorption, since a lot of dust will be adsorbed on the filter layer 101, the resistance of the filter layer 101 will increase. As the dust continues to accumulate, the resistance will continue to increase. Since the air pump 213 will continue to provide adsorption force, the suction force applied to the filter layer 101 toward the control tube 21 will increase. Since the telescopic rod 35 and the collision frame 33 are respectively connected to the filter layer 101, the telescopic rod 35 and the collision frame 33 will move synchronously toward the elbow 216. Since the impact frame 34 is in contact with the collision frame 33, as the suction force continues to increase, the piston disc 24 will be pushed to move continuously toward the elbow 216, and the tension spring 25 will be continuously stretched. Since the inner disc 210 is pressed against the tail The inner rod 26 is connected to the inner disc 210, so the position of the inner rod 26 relative to the control tube 21 is in a fixed state. Since the suction on the filter layer 101 is connected to the air on both sides through the through hole 28, as the piston disc 24 moves toward the position of the inner rod 26, the round head 27 and the inner rod 26 are closer and closer to the position of the through hole 28. At this time, since the inner rod 26 and the round head 27 have an obstructive effect on the through hole 28, as the piston disc 24 moves toward the direction of the elbow 216, the space of the through hole 28 obstructed by the inner rod 26 and the round head 27 becomes larger, and the resistance generated by the through hole 28 becomes larger and larger. When the through hole 28 is completely blocked by the inner rod 26, The connection between the through hole 28 and the two ends will be cut off, and all the suction force of the air pump 213 will act on the piston disc 24. Due to the blockage of the through hole 28, the filter layer 101 is no longer subjected to suction. Under the action of the return spring 38, the telescopic rod 35 will be pushed to move in the direction of the limit ring 36, thereby pushing the collision frame 33 and the filter layer 101 back so that the collision frame 33 contacts the limit ring 36. At this time, the impact frame 34 and the collision frame 33 are separated from each other and are at a position farthest apart. The suction force of the air pump 213 is completely converted into the tension of the tension spring 25, and the collision frame 33 is attached to the limit ring 36. At this time, the filter layer 101 is in the dustiest state and the filter layer 101 is dusty. 01 is closed and does not play a filtering role. When the air pump 213 is turned off, the suction of the air pump 213 on the piston disc 24 disappears, and then the piston disc 24 is driven to move quickly toward the collision frame 33 under the action of the tension spring 25. At this time, the collision frame 33 is attached to the limit ring 36 and waits for impact. As the tension spring 25 continues to pull, the piston disc 24 and the impact frame 34 are driven to continue to accelerate until the impact frame 34 impacts the collision frame 33. At this time, the collision frame 33 will produce a large impact vibration. Since the filter layer 101 is also connected to the collision frame 33, the vibration will be transmitted to the filter layer 101, and the dust will be shaken off under the action of the vibration, thereby reducing the resistance generated by the dust and restoring it to a state where it can filter the air.

[0039] When the filter layer 101 completes a vibration, the resistance caused by the dust is reduced, and the air pump 213 will not generate a large suction force after starting again, so it will not push the tension spring 25 a large distance, so the internal rod 26 will not be inserted into the through hole 28. At this time, the air pressure on both sides of the piston disk 24 will be balanced through the through hole 28, thereby ensuring the use effect.

[0040] Since there are multiple filter layers 101, when one filter layer 101 is blocked, the remaining ones can still perform the corresponding filtering process. Every time the air pump 213 stops, when the dust in the filter layer 101 accumulates to a certain extent, it will be impacted and vibrated. Therefore, restarting and stopping can ensure the cleaning effect, and thus ensure the use process.

[0041] The filtering mechanism includes a trumpet tube 31 installed on the control tube 21, a head cover 32 is coaxially installed on the trumpet tube 31, a collision frame 33 is slidably connected in the head cover 32, and a filter layer 101 is installed on the collision frame 33. The filtering mechanism also includes an impact frame 34 installed on the piston disk 24. When the air pump 213 is in operation, the impact frame 34 is attached to the collision frame 33, and a plurality of telescopic rods 35 are evenly spaced on the collision frame 33. The plurality of telescopic rods 35 are slidably connected to the head cover 32, a limiting ring 36 is threadedly installed on the head cover 32, a head tube 37 is threadedly installed on the head cover 32, a plurality of return springs 38 are installed in the head tube 37, a telescopic disk 39 is installed on the plurality of return springs 38, and the plurality of telescopic rods 35 abut against the telescopic disk 39.

[0042] In all the schemes mentioned above, the connection between the two parts can be selected according to actual conditions by welding, bolt and nut connection, bolt or screw connection or other well-known connection methods, which will not be described here one by one. In the above, all fixed connections are preferably considered to be welding. Although the embodiments of the present invention have been shown and described, it can be understood by ordinary technicians in this field that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An atmospheric pollutant concentration detection device, comprising a fixedly arranged detector (11); wherein: The invention also includes an impact mechanism, which includes a control tube (21) and a plurality of guide rods (22) installed at equal intervals on the inner wall of the control tube (21), each of the guide rods (22) is slidably connected to a guide sleeve (23), a plurality of guide sleeves (23) are installed on a piston disc (24), a tension spring (25) is connected to the piston disc (24), the other end of the tension spring (25) is connected to the control tube (21), a plurality of internal rods (26) are slidably connected to the control tube (21), a round head (27) is provided on the internal rod (26), and a plurality of through holes (28) corresponding to the internal rods (26) are opened on the piston disc (24); and the invention also includes a filtering mechanism, which includes a trumpet tube (31) installed on the control tube (21), a coaxially mounted trumpet tube (31) A head cover (32) is provided, a collision frame (33) is slidably connected in the head cover (32), a filter layer (101) is installed on the collision frame (33), the filter mechanism further includes an impact frame (34) installed on the piston disc (24), the impact frame (34) is attached to the collision frame (33), a plurality of telescopic rods (35) are evenly spaced and installed on the collision frame (33), the plurality of telescopic rods (35) are slidably connected to the head cover (32), a limiting ring (36) is threadedly installed on the head cover (32), a head tube (37) is threadedly installed on the head cover (32), a plurality of return springs (38) are installed in the head tube (37), a telescopic disc (39) is installed on the plurality of return springs (38), and the plurality of telescopic rods (35) abut against the telescopic disc (39).

2. The atmospheric pollutant concentration detection device according to claim 1, characterized in that: The impact mechanism further comprises an annular ring (29) mounted on the plurality of inner rods (26), an inner disk (210) being mounted on one end of the plurality of inner rods (26) away from the round head (27), a tail spring (211) being mounted on the inner disk (210), and the tail spring (211) being in contact with the control tube (21).

3. The atmospheric pollutant concentration detection device according to claim 2, characterized in that: The control tube (21) is threadedly connected to a tail tube (212), the inner disk (210) is slidably connected to the tail tube (212), and the tail tube (212) abuts against a side wall of the inner disk (210).

4. The atmospheric pollutant concentration detection device according to claim 3, characterized in that: An air pump (213) is installed on the detector (11), one end of the air pump (213) is connected to the inside of the detector (11), and the other end of the air pump (213) is connected to a combined pipe (214).

5. The atmospheric pollutant concentration detection device according to claim 4, characterized in that: A plurality of air intake pipes (215) are installed at equal intervals on the combined pipe (214), and a bend pipe (216) is installed on each of the air intake pipes (215), and the bend pipes (216) are connected to the control pipe (21).

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