Aerosol early warning detection device
By introducing adjustment components and aerosol lidar into the aerosol early warning and detection device, the problem of fixed detection height has been solved, and flexible adjustment of height, direction, and range has been achieved, thereby improving the comprehensiveness and accuracy of aerosol detection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-04-07
AI Technical Summary
Existing aerosol early warning and detection devices cannot adjust the detection height, resulting in a fixed collection area and an inability to effectively detect aerosols of different densities and suspension heights.
An aerosol early warning and detection device including adjustment components was designed. The detection height is adjusted by a lead screw slider and a ball screw, and the detection is achieved by combining aerosol lidar. The detection direction is adjusted by using a servo motor and a reducer.
It enables flexible adjustment of detection height, direction, and range, effectively detecting aerosols of different densities and suspension heights, thus improving the comprehensiveness and accuracy of detection.
Smart Images
Figure CN224096011U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of aerosol detection devices, specifically an aerosol early warning detection device. Background Technology
[0002] Aerosols are gaseous dispersion systems composed of solid or liquid particles suspended in a gaseous medium. They are sols formed with a solid or liquid as the dispersed phase and a gas as the dispersion medium. The density of these solid or liquid particles can differ slightly from the density of the gaseous medium, or the difference can be significant.
[0003] Detecting and analyzing aerosols in the air can provide guidance for disease prevention and pollution control. Most aerosol early warning and detection devices on the market are similar in overall structure, with aerosol sensors as the main components. They use built-in fans to draw in air from the detection area and analyze it to determine the details of aerosols in the area. Equipped with audible and visual alarms, they can issue timely warnings. However, in actual use, there are some functional shortcomings and room for improvement. For example, the installation position of the detection device is fixed, and its collection area and height are also fixed. However, different aerosol components have different densities and suspension heights. Detection devices with fixed positions are prone to missing samples and do not have the function of adjustable detection height.
[0004] Now, a novel aerosol early warning and detection device is proposed to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide an aerosol early warning and detection device to solve the problem mentioned in the background art of not having the function of adjustable detection height.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an aerosol early warning detection device, comprising a bottom housing, a bottom support plate fixedly connected to the bottom end of the bottom housing, a top housing disposed above the bottom housing, a main housing disposed between the two sides inside the top housing, an aerosol sensor installed inside the right side of the main housing, an air inlet disposed at the front end of the aerosol sensor, an air outlet disposed at the rear end of the aerosol sensor, a control circuit board fixedly connected to the top end of the main housing, an audible and visual alarm disposed at the top end of the top housing, and an adjustment component disposed inside the top housing for adjusting the height of the sample collection area.
[0007] The adjustment assembly includes two sets of lead screw sliding blocks, which are fixedly connected to the left and right sides of the main housing, respectively. A bottom fixing plate is fixedly connected to the bottom of the top housing. A first reducer is installed on both sides of the bottom of the bottom fixing plate. A first servo motor is installed at the bottom of the first reducer. A top fixing plate is fixedly connected to the top of the top housing. Two sets of ball screws are movably connected between the bottom fixing plate and the top fixing plate.
[0008] As a further technical solution of this utility model, the external shape and size of the lead screw sliding block are adapted to the internal shape and size of the top housing, and the lead screw sliding block can slide up and down along the inside of the top housing.
[0009] As a further technical solution of this utility model, the ball screw passes through the interior of the screw sliding block, and the external thread of the ball screw is compatible with the internal thread of the screw sliding block.
[0010] As a further technical solution of this utility model, the output end of the first reducer is connected to the bottom end of the ball screw, and the control circuit board and the first servo motor are electrically connected.
[0011] As a further technical solution of this utility model, an aerosol lidar is fixedly connected to the left side of the front end of the main housing, a laser emitter is provided at the top of the front end of the aerosol lidar, and a laser receiver is provided at the bottom of the front end of the aerosol lidar.
[0012] As a further technical solution of this utility model, an annular limiting shell is fixedly connected to the outer ring of the top of the bottom shell, two sets of limiting bearings are installed between the top shell and the annular limiting shell, a drive shaft is fixedly connected to the middle position of the bottom end of the top shell, a bearing seat is fixedly connected to the middle position of the top of the bottom shell, a second reducer is installed at the bottom end inside the bottom shell, a second servo motor is installed on the right side of the top of the second reducer, the output end of the second reducer is connected to the bottom end of the drive shaft, and the control circuit board and the second servo motor are electrically connected.
[0013] Compared with the prior art, the beneficial effects of this utility model are: the aerosol early warning and detection device not only realizes the function of adjustable detection height, but also realizes the function of combined long-distance and short-distance detection, and also realizes the function of adjustable detection direction;
[0014] (1) By setting up a top shell, a main shell, an audible and visual alarm, an aerosol sensor, an air inlet, an air outlet, a control circuit board, a lead screw sliding block, a bottom fixing plate, a first reducer, a first servo motor, a ball screw and a top fixing plate, when in use, the fan built into the aerosol sensor draws in external aerosols through the air inlet for detection. When the composition is abnormal, the audible and visual alarm sounds an alarm. During the collection process, the first servo motor drives the ball screw to rotate through the first reducer. The ball screw and the lead screw sliding block work together to drive the main shell to slide up and down, thereby adjusting the height of sample collection, so as to detect aerosols of different heights and densities, and realize the function of adjustable detection height;
[0015] (2) By setting up an aerosol sensor, an air inlet, an air outlet, an aerosol lidar, a laser emitter, and a laser receiver, when in use, the aerosol sensor draws in aerosols near the device through the air inlet for detection, and the aerosol lidar detects aerosols at a more distant location through the laser emitter and laser receiver. Due to the difference in aerosol density, different aerosols reflect laser light differently. By measuring the reflected laser light, the actual state of the aerosol at the corresponding location can be determined, thus realizing the function of combining near and far detection.
[0016] (3) By setting up an annular limiting shell, limiting bearing, bearing seat, transmission shaft, second reducer and second servo motor, when in use, according to the detection needs, the second servo motor drives the transmission shaft to rotate at a constant speed through the second reducer, and the top shell can rotate at a constant speed, and the acquisition direction will change accordingly, which can further expand the acquisition and detection range. The limiting bearing and bearing seat in the annular limiting shell can make its rotation smooth and stable, realizing the function of adjustable detection direction. Attached Figure Description
[0017] Figure 1 This is a front view structural diagram of the present utility model;
[0018] Figure 2 This is a top view of a partially enlarged cross-sectional structural diagram of the main shell of this utility model;
[0019] Figure 3 This is a front view cross-sectional structural diagram of the top shell of this utility model;
[0020] Figure 4 This is an enlarged cross-sectional view of the bottom shell of this utility model.
[0021] In the diagram: 1. Bottom housing; 2. Bottom support plate; 3. Top housing; 4. Main housing; 5. Audible and visual alarm; 6. Aerosol sensor; 7. Air inlet; 8. Air outlet; 9. Control circuit board; 10. Lead screw sliding block; 11. Bottom fixing plate; 12. First reducer; 13. First servo motor; 14. Ball screw; 15. Top fixing plate; 16. Aerosol lidar; 17. Laser emitter; 18. Laser receiver; 19. Annular limiting shell; 20. Limit bearing; 21. Bearing seat; 22. Drive shaft; 23. Second reducer; 24. Second servo motor. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Example: Please refer to Figure 1-4 An aerosol early warning detection device includes a bottom housing 1, a bottom support plate 2 fixedly connected to the bottom end of the bottom housing 1, a top housing 3 disposed above the bottom housing 1, a main housing 4 disposed between the two sides inside the top housing 3, an aerosol sensor 6 installed inside the right side of the main housing 4, an air inlet 7 disposed at the front end of the aerosol sensor 6, an air outlet 8 disposed at the rear end of the aerosol sensor 6, a control circuit board 9 fixedly connected to the top end inside the main housing 4, an audible and visual alarm 5 installed at the top end of the top housing 3, and an adjustment component that can adjust the height of the sample collection area disposed inside the top housing 3.
[0024] Please see Figure 1-4 An aerosol early warning detection device also includes an adjustment component, which includes two sets of lead screw sliding blocks 10. The two sets of lead screw sliding blocks 10 are respectively fixedly connected to the left and right sides of the main housing 4. A bottom fixing plate 11 is fixedly connected to the bottom inside the top housing 3. A first reducer 12 is installed on both sides of the bottom of the bottom fixing plate 11. A first servo motor 13 is installed at the bottom of the first reducer 12. A top fixing plate 15 is fixedly connected to the top inside the top housing 3. Two sets of ball screws 14 are movably connected between the bottom fixing plate 11 and the top fixing plate 15.
[0025] The external shape and size of the lead screw slide block 10 are adapted to the internal shape and size of the top housing 3. The lead screw slide block 10 can slide up and down along the inside of the top housing 3. The ball screw 14 passes through the inside of the lead screw slide block 10. The external thread of the ball screw 14 is adapted to the internal thread of the lead screw slide block 10. The output end of the first reducer 12 is connected to the bottom end of the ball screw 14. The control circuit board 9 and the first servo motor 13 are electrically connected to facilitate the adjustment of the acquisition height.
[0026] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, the first servo motor 13 drives the ball screw 14 to rotate through the first reducer 12. The ball screw 14 and the screw sliding block 10 cooperate to drive the main housing 4 to slide up and down, thereby adjusting the height of sample collection, so as to detect aerosols of different heights and densities. The control circuit board 9 and the first servo motor 13 are electrically connected. This technology is existing technology, so it will not be described in detail.
[0027] An aerosol lidar 16 is fixedly connected to the left side of the front end of the main housing 4. A laser emitter 17 is set at the top of the front end of the aerosol lidar 16, and a laser receiver 18 is set at the bottom of the front end of the aerosol lidar 16. It can detect both near and far positions.
[0028] Specifically, such as Figure 1 and Figure 3 As shown, the aerosol lidar 16 detects aerosols at a relatively far location through a laser emitter 17 and a laser receiver 18. Due to the difference in aerosol density, different aerosols reflect laser light differently. By measuring the reflected laser light, the actual state of the aerosol at the corresponding location can be determined.
[0029] An annular limiting shell 19 is fixedly connected to the outer ring at the top of the bottom housing 1. Two sets of limiting bearings 20 are installed between the top housing 3 and the annular limiting shell 19. A drive shaft 22 is fixedly connected to the middle position at the bottom of the top housing 3. A bearing seat 21 is fixedly connected to the middle position at the top of the bottom housing 1. A second reducer 23 is installed at the bottom inside the bottom housing 1. A second servo motor 24 is installed on the right side of the top of the second reducer 23. The output end of the second reducer 23 is connected to the bottom end of the drive shaft 22. The control circuit board 9 and the second servo motor 24 are electrically connected to facilitate adjustment of the detection direction.
[0030] Specifically, such as Figure 1 and Figure 4As shown, the second servo motor 24 drives the transmission shaft 22 to rotate at a constant speed through the second reducer 23, so the top housing 3 can rotate at a constant speed, and the acquisition direction will change accordingly, which can further expand the acquisition and detection range. The limit bearing 20 and bearing seat 21 in the annular limit housing 19 can make its rotation smooth and stable. The control circuit board 9 and the second servo motor 24 are electrically connected. This technology is existing technology, so it will not be described in detail.
[0031] Working principle: When this utility model is in use, firstly, the fan built into the aerosol sensor 6 draws in external aerosols through the air inlet 7 for detection. When the composition is abnormal, the audible and visual alarm 5 sounds an alarm. During the collection process, the first servo motor 13 drives the ball screw 14 to rotate through the first reducer 12. The ball screw 14 and the screw sliding block 10 work together to drive the main housing 4 to slide up and down, thereby adjusting the height of sample collection and thus detecting aerosols of different heights and densities. Aerosol sensor 6 draws in aerosols near the device through air inlet 7 for detection. Aerosol lidar 16 detects aerosols at a greater distance through laser emitter 17 and laser receiver 18. Due to differences in aerosol density, different aerosols reflect laser light differently. By measuring the reflected laser light, the actual state of the aerosol at the corresponding location can be determined. According to the detection needs, the second servo motor 24 drives the transmission shaft 22 to rotate at a constant speed through the second reducer 23. The top housing 3 can then rotate at a constant speed, and the acquisition direction will change accordingly, which can further expand the acquisition and detection range. The limiting bearing 20 and bearing seat 21 in the annular limiting housing 19 can make its rotation smooth and stable.
[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. An aerosol early warning and detection device, comprising a bottom housing (1), characterized in that: The bottom end of the bottom housing (1) is fixedly connected to a bottom support plate (2). A top housing (3) is provided above the bottom housing (1). A main housing (4) is provided between the two sides inside the top housing (3). An aerosol sensor (6) is installed inside the right side of the main housing (4). An air inlet (7) is provided at the front end of the aerosol sensor (6). An air outlet (8) is provided at the rear end of the aerosol sensor (6). A control circuit board (9) is fixedly connected to the top end inside the main housing (4). An audible and visual alarm (5) is installed at the top end of the top housing (3). An adjustment component that can adjust the height of the sample collection area is provided inside the top housing (3). The adjustment assembly includes two sets of lead screw sliding blocks (10), which are fixedly connected to the left and right sides of the main housing (4) respectively. A bottom fixing plate (11) is fixedly connected to the bottom of the top housing (3). A first reducer (12) is installed on both sides of the bottom of the bottom fixing plate (11). A first servo motor (13) is installed at the bottom of the first reducer (12). A top fixing plate (15) is fixedly connected to the top of the top housing (3). Two sets of ball screws (14) are movably connected between the bottom fixing plate (11) and the top fixing plate (15).
2. The aerosol early warning and detection device according to claim 1, characterized in that: The external shape and size of the lead screw sliding block (10) are adapted to the internal shape and size of the top housing (3), and the lead screw sliding block (10) can slide up and down along the inside of the top housing (3).
3. The aerosol early warning and detection device according to claim 1, characterized in that: The ball screw (14) passes through the interior of the screw slide block (10), and the external thread of the ball screw (14) is compatible with the internal thread of the screw slide block (10).
4. The aerosol early warning and detection device according to claim 1, characterized in that: The output end of the first reducer (12) is connected to the bottom end of the ball screw (14), and the control circuit board (9) and the first servo motor (13) are electrically connected.
5. The aerosol early warning and detection device according to claim 1, characterized in that: An aerosol lidar (16) is fixedly connected to the left side of the front end of the main housing (4). A laser emitter (17) is provided at the top of the front end of the aerosol lidar (16), and a laser receiver (18) is provided at the bottom of the front end of the aerosol lidar (16).
6. The aerosol early warning and detection device according to claim 1, characterized in that: An annular limiting shell (19) is fixedly connected to the outer ring of the top of the bottom housing (1). Two sets of limiting bearings (20) are installed between the top housing (3) and the annular limiting shell (19). A transmission shaft (22) is fixedly connected to the middle position of the bottom end of the top housing (3). A bearing seat (21) is fixedly connected to the middle position of the top of the bottom housing (1). A second reducer (23) is installed at the bottom inside the bottom housing (1). A second servo motor (24) is installed on the right side of the top of the second reducer (23). The output end of the second reducer (23) is connected to the bottom end of the transmission shaft (22). The control circuit board (9) and the second servo motor (24) are electrically connected.