Intelligent accurate monitoring instrument for atmospheric pollutants
By using the design of the sample holder and hemispherical rain cover, the air filter paper can be circulated for sampling and isolated from rainwater, which solves the problems of limited detection data and rainwater interference, and improves detection accuracy and instrument stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-04-07
AI Technical Summary
In existing air pollution monitoring instruments, the fixed number of retaining rings leads to limited detection data, air filter paper is easily affected by environmental interference, and the lack of protection in the collection hopper allows rainwater to enter and affect the operation of the instrument.
The design incorporates a sample holder, rotating disk, and hemispherical rain cover to achieve cyclic sampling of air filter paper and rain isolation, thereby increasing the number of samples and improving detection accuracy and instrument stability.
By using multiple sets of air filter paper for cyclic sampling and rainwater isolation, the accuracy of the test results and the stability of the instrument under adverse weather conditions are improved, solving the problems of limited test data and rainwater interference.
Smart Images

Figure CN224095469U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of environmental monitoring technology, and in particular to an intelligent instrument for precise monitoring of air pollutants. Background Technology
[0002] Air pollutants encompass a variety of substances, including particulate matter, sulfur dioxide, and nitrogen oxides. They have a wide range of sources, either generated by industrial production and transportation emissions or formed by natural processes. These pollutants not only severely disrupt the ecological balance, leading to severe environmental problems such as acid rain and smog, but also directly endanger human health, causing respiratory diseases, cardiovascular diseases, and so on.
[0003] Air pollutant monitoring instruments, as specialized equipment for detecting the types and amounts of pollutants in the atmosphere, play a crucial role in environmental protection. With the help of these instruments, environmental regulatory departments can obtain real-time air quality data, providing a scientific basis for formulating environmental protection policies and controlling pollution.
[0004] In the prior art, such as Chinese Patent Publication No. CN217305054U, a user-friendly air pollution monitoring instrument is disclosed. It includes an automatic replacement device, a support plate, a fastening threaded column, a fixed plate, a column, an adjusting column, and a sampling device. The fixed plate is fixedly connected to the bottom end of the column. The adjusting column is slidably inserted into the upper end of the column. The fastening threaded column is uniformly threaded and rotated on the upper end of the column, with its front end pressing against the outer wall of the adjusting column. The sampling device is fixedly connected to the upper end of the adjusting column. The support plate is fixedly connected to the upper part of one side of the adjusting column. The automatic replacement device is fixedly connected to the upper end of the support plate. During use, this invention can automatically detect air intake through the sampling device, and the automatic replacement device enables continuous and rapid sampling, allowing multiple samples to be collected at once. Furthermore, the column and adjusting column can assist in adjusting and controlling the sampling height of the sampling device.
[0005] Although the aforementioned patent achieves continuous sampling by rotating the retaining rings sequentially into the sampling slot, the following problems still exist: Firstly, the number of retaining rings is fixed, resulting in limited detectable data, and the air filter paper is exposed to the outside for a long time, making it susceptible to environmental interference and causing deviations in the test results; secondly, the top of the collection hopper lacks protection, and rainwater can easily enter the delivery pipe along the collection hopper, affecting the normal operation of the instrument. Utility Model Content
[0006] This invention proposes an intelligent instrument for precise monitoring of air pollutants. The instrument, with components such as a sample holder and a rotating disk, can pre-store multiple sets of air filter paper for cyclic sampling, which increases the number of samples and avoids prolonged exposure of the filter paper, thereby improving detection accuracy. At the same time, the air inlet cylinder and the hemispherical rain cover work together to isolate rainwater and improve the stability of the instrument in severe weather, thus solving the problems mentioned in the background art.
[0007] To achieve the above objectives, the present invention adopts the following technical solution: an intelligent air pollutant precision monitoring instrument, comprising a support column, a lifting slide column slidably inserted into the top of the inner surface of the support column, a fastening bolt threadedly connected to the upper right side of the outer surface of the support column, a support plate frame fixedly connected to the top of the lifting slide column, a connecting groove formed at the top of the lifting slide column, a drive motor fixedly connected to the inner wall of the connecting groove, the output shaft of the drive motor penetrating into the interior of the support plate frame and fixedly connected to a rotating disk, three vertically penetrating positioning through holes formed in a circular array inside the rotating disk, a connecting ring slidably connected to the inner surface of the positioning through holes, and an air filter paper fixedly connected to the middle of the inner surface of the connecting ring.
[0008] A component placement cylinder is fixedly connected to the top left front of the support plate frame. The bottom end of the component placement cylinder is connected to the top end of the left front positioning through hole. A cylinder cover is slidably sleeved on the outer surface of the top end of the component placement cylinder. An air inlet cylinder is fixedly connected to the top right of the support plate frame. The bottom end of the air inlet cylinder is connected to the top end of the right positioning through hole. A collection cylinder is provided at the bottom left rear of the support plate frame. The top end of the collection cylinder is connected to the bottom end of the left rear positioning through hole.
[0009] Preferably, a cross bracket is fixedly connected to the top of the inner surface of the air intake cylinder, a support column is fixedly connected to the middle of the top of the cross bracket, and a hemispherical rain cover is fixedly connected to the top of the support column. The hemispherical rain cover is disposed at the top of the air intake cylinder.
[0010] Preferably, a drive motor is fixedly connected to the middle of the bottom end of the cross bracket, and a guide fan is fixedly connected to the output shaft of the drive motor.
[0011] Preferably, an air outlet is fixedly connected to the bottom right side of the support plate frame, the top end of the air outlet is connected to the bottom end of the right positioning through hole, and a dustproof net is fixedly connected to the bottom end of the inner surface of the air outlet.
[0012] Preferably, two connecting grooves are provided at the bottom left rear of the support plate frame. A guide slide column is fixedly connected to the inner wall of the connecting groove. A tightening spring is provided on the outer surface of the guide slide column. A sliding push plate is slidably connected to the outer surface of the connecting groove. The tightening spring is fixedly connected to the side of the sliding push plate away from the collecting cylinder.
[0013] Preferably, positioning slots are provided on the top left and right sides of the outer surface of the collecting cylinder, and a trapezoidal card plate is fixedly connected to the bottom of the sliding push plate near the collecting cylinder, and the trapezoidal card plate is slidably engaged inside the positioning slot.
[0014] Due to the adoption of the above technical solution, the technological progress achieved by this utility model compared to the prior art is as follows:
[0015] 1. In this utility model, the placement cylinder, rotating disk, positioning through hole, connecting ring, and air filter paper cooperate with each other. Multiple connecting rings and air filter paper can be pre-placed in the placement cylinder. The connecting ring and air filter paper at the bottom will fall into the positioning through hole at the front left. The drive motor drives the rotating disk to rotate, causing the connecting ring and air filter paper to move to the bottom of the air inlet cylinder, thereby collecting pollutants in the air. Subsequently, the rotating disk continues to rotate, and the connecting ring and air filter paper rotate to the rear right and fall into the collection cylinder for storage. This design not only increases the number of samples collected, but also avoids the air filter paper from being exposed for a long time, greatly improving the accuracy and reliability of the test results, and solving the problems of fixed number of retaining rings, limited test data, and test results being easily interfered with.
[0016] 2. In this utility model, the air inlet cylinder, cross bracket, support column and hemispherical rain cover cooperate with each other. The hemispherical rain cover is installed at the top of the air inlet cylinder. Air enters the air inlet cylinder from the bottom of the hemispherical rain cover. This design effectively isolates rainwater and prevents rainwater from entering the air inlet cylinder and interfering with the normal detection of the instrument. It solves the problem in the prior art that the collection bucket lacks protection and rainwater can easily enter the delivery pipe and affect the use of the instrument. It improves the stability and durability of the instrument in bad weather. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of an intelligent air pollutant precision monitoring instrument according to the present invention;
[0018] Figure 2 This is a cross-sectional structural diagram of the support plate frame of this utility model;
[0019] Figure 3 This is a schematic diagram of the bottom structure of the support plate frame of this utility model;
[0020] Figure 4 This is an enlarged structural schematic diagram of the trapezoidal card plate of this utility model.
[0021] Legend: 1. Support column; 2. Lifting slide column; 21. Connecting groove; 3. Fastening bolt; 4. Support plate frame; 41. Placement cylinder; 42. Cylinder cover; 43. Air inlet cylinder; 44. Cross bracket; 45. Support column; 46. Hemispherical rain cover; 47. Drive motor; 48. Guide fan; 49. Air outlet cylinder; 410. Dustproof net; 411. Collection cylinder; 412. Positioning slot; 413. Connecting slide groove; 414. Guide slide column; 415. Top spring; 416. Sliding push plate; 417. Trapezoidal plate; 5. Drive motor; 6. Rotating disk; 7. Positioning through hole; 8. Connecting ring; 81. Air filter paper. Detailed Implementation
[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0024] Example 1: As Figure 1 , Figure 2 and Figure 3 As shown, this utility model provides a technical solution: it includes a support cylinder 1, a lifting slide column 2 slidably inserted into the top of the inner surface of the support cylinder 1, a fastening bolt 3 threadedly connected to the upper right side of the outer surface of the support cylinder 1, a support plate frame 4 fixedly connected to the top of the lifting slide column 2, a connecting groove 21 opened at the top of the lifting slide column 2, a drive motor 5 fixedly connected to the inner wall of the connecting groove 21, the output shaft of the drive motor 5 passing through the interior of the support plate frame 4 and fixedly connected to a rotating disk 6, and three vertically penetrating positioning through holes 7 arranged in a circular array inside the rotating disk 6. A connecting ring 8 is slidably connected to the surface. An air filter paper 81 is fixedly connected to the middle of the inner surface of the connecting ring 8. A placement cylinder 41 is fixedly connected to the top left front of the support plate frame 4. The bottom end of the placement cylinder 41 is connected to the top end of the left front positioning through hole 7. A cylinder cover 42 is slidably sleeved on the outer surface of the top end of the placement cylinder 41. An air inlet cylinder 43 is fixedly connected to the top right of the support plate frame 4. The bottom end of the air inlet cylinder 43 is connected to the top end of the right positioning through hole 7. A collection cylinder 411 is provided at the bottom left rear of the support plate frame 4. The top end of the collection cylinder 411 is connected to the bottom end of the left rear positioning through hole 7.
[0025] The effect achieved by the entire embodiment 1 is as follows: by placing multiple connecting rings 8 and air filter paper 81 in the placement cylinder 41 in advance, the connecting rings 8 and air filter paper 81 at the bottom will fall into the left front positioning through hole 7 under the action of gravity. The drive motor 5 is started, which drives the rotating disk 6 to rotate, so that the connecting rings 8 and air filter paper 81 move to the bottom of the air inlet cylinder 43 to complete the collection of air pollutants. As the rotation continues, the connecting rings 8 and air filter paper 81 rotate to the left rear and fall into the collection cylinder 411, realizing the collection of multiple samples and avoiding the long-term exposure of the filter paper, thus improving the accuracy and reliability of the detection.
[0026] Example 2: Figure 2 and Figure 3 As shown, this utility model provides a technical solution: a cross bracket 44 is fixedly connected to the top of the inner surface of the air inlet cylinder 43, a support column 45 is fixedly connected to the middle of the top of the cross bracket 44, a hemispherical rain cover 46 is fixedly connected to the top of the support column 45, the hemispherical rain cover 46 is set at the top of the air inlet cylinder 43, a drive motor 47 is fixedly connected to the middle of the bottom end of the cross bracket 44, a guide fan 48 is fixedly connected to the output shaft of the drive motor 47, an air outlet cylinder 49 is fixedly connected to the bottom right side of the support plate 4, the top of the air outlet cylinder 49 is connected to the bottom end of the right positioning through hole 7, the inner diameter of the air outlet cylinder 49 is smaller than that of the positioning through hole 7, so as to prevent the connecting ring 8 from falling into the air outlet cylinder 49, and a dustproof net 410 is fixedly connected to the bottom of the inner surface of the air outlet cylinder 49.
[0027] The overall effect of embodiment 2 is as follows: the hemispherical rain cover 46 is installed at the top of the air inlet cylinder 43, effectively blocking rainwater from entering the air inlet cylinder 43. The drive motor 47 is started, which drives the guide fan 48 to rotate, accelerating the air flow in the air inlet cylinder 43, allowing the air to quickly pass through the right positioning through hole 7 and be discharged through the air outlet cylinder 49. The dustproof net 410 inside the air outlet cylinder 49 prevents external dust from flowing back in, ensuring the cleanliness of the instrument's interior and maintaining stable operation.
[0028] Example 3: As Figure 4 As shown, this utility model provides a technical solution: two connecting grooves 413 are opened at the bottom left rear of the support plate frame 4. A guide slide column 414 is fixedly connected to the inner wall of the connecting groove 413. A clamping spring 415 is provided on the outer surface of the guide slide column 414. A sliding push plate 416 is slidably connected to the outer surface of the connecting groove 413. The clamping spring 415 is fixedly connected to the side of the sliding push plate 416 away from the collecting cylinder 411. Positioning slots 412 are opened on the top left and right sides of the outer surface of the collecting cylinder 411. A trapezoidal plate 417 is fixedly connected to the bottom of the sliding push plate 416 near the collecting cylinder 411. The trapezoidal plate 417 is slidably engaged in the inside of the positioning slot 412.
[0029] The effect achieved by the entire embodiment 3 is as follows: When it is necessary to replace the collection tube 411, pull the sliding push plate 416 outward, compress the spring 415, and the trapezoidal clamping plate 417 disengages from the positioning slot 412, so that the collection tube 411 can be removed. When installing a new collection tube 411, align the trapezoidal clamping plate 417 with the positioning slot 412, release the sliding push plate 416, and the spring 415 rebounds, so that the trapezoidal clamping plate 417 is inserted into the positioning slot 412, thereby realizing the quick installation and fixation of the collection tube 411, which facilitates sample collection and replacement.
[0030] The working principle of the entire device is as follows: Loosen the fastening bolt 3, the lifting column 2 can be slid up and down to adjust the height of the support plate 4 to adapt to different monitoring environments, and tighten the fastening bolt 3 to fix it after adjustment;
[0031] Open the cylinder cover 42 and place multiple connecting rings 8 connected with air filter paper 81 into the placement cylinder 41. The bottom connecting rings 8 and air filter paper 81 fall into the left front positioning through hole 7. Start the drive motor 5, and the rotating disk 6 drives the positioning through hole 7 and the internal connecting rings 8 and air filter paper 81 to rotate. When it rotates to the bottom of the air inlet cylinder 43, start the drive motor 47. Under the action of the guide fan 48, the outside air enters from the air inlet cylinder 43 and is discharged from the air outlet cylinder 49. It passes through the air filter paper 81, and the pollutants in the air are adsorbed by the filter paper, thus completing the sample collection.
[0032] The drive motor 5 runs continuously, and the connecting ring 8 and the air filter paper 81 rotate with the rotating disk 6 to the left rear. Under the action of gravity, they fall into the collection cylinder 411. The sliding push plate 416 cooperates with the positioning slot 412 on the collection cylinder 411 through the trapezoidal card plate 417 to fix the collection cylinder 411, which facilitates the subsequent collection and processing of samples.
[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A smart air pollutant precision monitoring instrument, comprising a support cylinder (1), wherein a lifting slide column (2) is slidably inserted into the top of the inner surface of the support cylinder (1), and a fastening bolt (3) is threadedly connected to the upper right side of the outer surface of the support cylinder (1), characterized in that: The top of the lifting slide column (2) is fixedly connected to a support plate frame (4). The top of the lifting slide column (2) is provided with a connecting groove (21). The inner wall of the connecting groove (21) is fixedly connected to a drive motor (5). The output shaft of the drive motor (5) passes through the interior of the support plate frame (4) and is fixedly connected to a rotating disk (6). The interior of the rotating disk (6) is provided with three vertically penetrating positioning through holes (7). The inner surface of the positioning through holes (7) is slidably connected to a connecting ring (8). The middle of the inner surface of the connecting ring (8) is fixedly connected to an air filter paper (81). A placement cylinder (41) is fixedly connected to the top left front of the support plate frame (4). The bottom end of the placement cylinder (41) is connected to the top end of the left front positioning through hole (7). A cylinder cover (42) is slidably sleeved on the outer surface of the top end of the placement cylinder (41). An air inlet cylinder (43) is fixedly connected to the top right side of the support plate frame (4). The bottom end of the air inlet cylinder (43) is connected to the top end of the right positioning through hole (7). A collection cylinder (411) is provided at the bottom left rear of the support plate frame (4). The top end of the collection cylinder (411) is connected to the bottom end of the left rear positioning through hole (7).
2. The intelligent air pollutant precision monitoring instrument according to claim 1, characterized in that: A cross bracket (44) is fixedly connected to the top of the inner surface of the air intake cylinder (43). A support column (45) is fixedly connected to the middle of the top of the cross bracket (44). A hemispherical rain cover (46) is fixedly connected to the top of the support column (45). The hemispherical rain cover (46) is located at the top of the air intake cylinder (43).
3. The intelligent air pollutant precision monitoring instrument according to claim 2, characterized in that: A drive motor (47) is fixedly connected to the middle of the bottom end of the cross bracket (44), and a guide fan (48) is fixedly connected to the output shaft of the drive motor (47).
4. The intelligent air pollutant precision monitoring instrument according to claim 1, characterized in that: An air outlet (49) is fixedly connected to the bottom right side of the support plate frame (4). The top end of the air outlet (49) is connected to the bottom end of the right positioning through hole (7). A dustproof net (410) is fixedly connected to the bottom end of the inner surface of the air outlet (49).
5. The intelligent air pollutant precision monitoring instrument according to claim 1, characterized in that: Two connecting grooves (413) are provided at the bottom left rear of the support plate frame (4). A guide slide column (414) is fixedly connected to the inner wall of the connecting groove (413). A clamping spring (415) is provided on the outer surface of the guide slide column (414). A sliding push plate (416) is slidably connected to the outer surface of the connecting groove (413). The clamping spring (415) is fixedly connected to the side of the sliding push plate (416) away from the collecting cylinder (411).
6. The intelligent air pollutant precision monitoring instrument according to claim 5, characterized in that: The top left and right sides of the outer surface of the collection tube (411) are provided with positioning slots (412). The bottom of the sliding push plate (416) near the collection tube (411) is fixedly connected to a trapezoidal plate (417), which is slidably engaged inside the positioning slot (412).
Citation Information
Patent Citations
Atmospheric pollution monitoring instrument convenient to use
CN217305054U