Environment-friendly monitoring device for inhalable particles in air
By adopting the trumpet-like design and self-cleaning function in the environmental monitoring device for air inhalable particulate matter, the problems of detection end blockage and rain and snow damage are solved, and the continuous monitoring and efficient cleaning of the device are achieved.
Patent Information
- Application Number
- CN202420394514.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-01
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-03-01
AI Technical Summary
The existing environmental monitoring device for air inhalable particulate matter can easily cause the detection end to be blocked when the air is directly introduced, and cannot be cleaned. It is easy to seep into fluid in rainy and snowy weather, causing equipment damage.
A trumpet-shaped monitoring device is designed, using air guide ducts and fans to form negative pressure guide particles, and monitoring is performed using air permeable grooves and air guide cone guide particle laser sensors, and self-cleaning function is realized by inverting the fan, and the top disk is automatically sealed. Avoid rain and snow invasion, and prevent flying insects from entering at the bottom.
It effectively avoids clogging of the detection end, realizes the self-cleaning function of the device, prevents damage to rain and snow, and improves the protective performance of the equipment, ensuring the continuity and accuracy of monitoring.
Smart Images
Figure CN222353736U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of monitoring devices, in particular to an environmental monitoring device for inhalable particles in the air. Background Art
[0002] Inhalable particulate matter refers to particles with an aerodynamic equivalent diameter of ≤10 microns, also known as PM10. Long-term accumulation of PM10 can cause respiratory diseases such as shortness of breath, cough, induced asthma, chronic bronchitis, chronic pneumonia, etc. Air monitoring refers to the fixed-point, continuous or timed sampling and measurement of pollutants in the air, among which inhalable particulate matter is an important indicator. The existing detection of inhalable particulate matter in the air is carried out through a detector.
[0003] However, the existing environmental monitoring devices for inhalable particulate matter in the air mostly directly introduce the inhalable particles carried by the air. The direct air introduction method is likely to cause blockage to the detection end and it is impossible to clean the inside of the device. In addition, ordinary monitoring devices are prone to fluid infiltration in rainy and snowy weather, causing damage to the equipment. Based on this, the utility model designs an environmental monitoring device for inhalable particulate matter in the air to solve the above problems. Utility Model Content
[0004] The purpose of the utility model is to provide an environmental monitoring device for inhalable air particles, so as to solve the problem that the direct air introduction method proposed above is easy to cause blockage to the detection end and cannot clean the inside of the equipment, and ordinary monitoring devices are easy to penetrate fluid in rainy and snowy weather, causing equipment damage.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] An environmental monitoring device for inhalable particulate matter in the air comprises a cover body, which is trumpet-shaped, and the upper end of the cover body is connected to a cylindrical air duct, a connecting rod is welded to the inner wall of the cover body, a bottom plate is bolted to the connecting rod, a plurality of air vents are provided on the bottom plate, the upper end of the bottom plate is connected to an air guide cone, a fixing ring is welded to the inside of the cover body, a particle laser sensor is connected to the fixing ring, the particle laser sensor is connected to a wire, a fan is fixedly installed inside the air duct, a plurality of sliding grooves are provided inside the air duct, the upper end of the air duct is fittedly connected to a top plate, a plurality of vertical rods are connected to the bottom of the top plate, a sliding block is connected to the bottom of the vertical rod, the sliding block is slidably engaged in the sliding groove, and a fixing plate is connected to the air duct.
[0007] As a further solution of the utility model: the plurality of ventilation slots on the bottom plate are all fan-shaped, and the plurality of ventilation slots are equidistantly distributed in a circular shape on the bottom plate.
[0008] As a further solution of the utility model: the air guide cone is cone-shaped, and the air guide cone and the fixing ring are arranged on the same axis.
[0009] As a further solution of the utility model: the edge of the top plate is arc-shaped, and the diameter of the top plate is larger than the diameter of the air duct.
[0010] As a further solution of the utility model: a plurality of rollers are rotatably connected to the sliding block, and the rollers are closely connected to the inner wall of the sliding groove.
[0011] As a further solution of the utility model: the fixing plate is L-shaped, and a plurality of U-shaped connecting holes are provided at the vertical end of the fixing plate.
[0012] As a further solution of the utility model: the bottom of the cover body is connected with an insect-proof net, and the insect-proof net is arc-shaped.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. In the utility model, negative pressure is formed inside the device when the fan inside the air duct rotates in the forward direction. Air carrying inhalable particles is introduced through multiple ventilation slots on the bottom plate. The particle laser sensor monitors the particles in the air. A large impact force lifts the top plate to guide the airflow out. The top plate is connected to multiple vertical rods. The sliding blocks on the vertical rods are stuck in the sliding grooves to prevent the top plate from detaching. When the device is not in use, the top plate is automatically pressed down to seal the vertical opening at the upper end. The cover body in a vertical state prevents the inhalation of larger particles. At the same time, when a lot of dust gathers inside the device, the fan is reversed to drive the airflow inside the device to circulate and blow, so as to clean the dust inside the device and perform self-cleaning.
[0015] 2. In the utility model, a plurality of rollers are rotatably connected to the sliding block, and the rollers are closely connected to the inner wall of the sliding groove. The plurality of rollers connected to the sliding block reduce friction. An insect-proof net is connected to the bottom of the cover body, and the insect-proof net is arc-shaped. The arc-shaped insect-proof net at the bottom of the cover body prevents flying insects from entering, thereby protecting the air inlet end of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0017] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model;
[0018] Figure 3 It is a schematic diagram of the overall cross-sectional structure of the utility model;
[0019] Figure 4 For the utility model Figure 3 Enlarged structural diagram at A in the middle.
[0020] In the figure: 1. cover body; 2. air guide duct; 3. connecting rod; 4. bottom plate; 5. air vent; 6. air guide cone; 7. fixing ring; 8. particle laser sensor; 9. wire; 10. fan; 11. sliding groove; 12. top plate; 13. vertical rod; 14. sliding block; 15. roller; 16. fixing plate; 17. insect-proof net. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Example:
[0023] See also Figure 1-Figure 4In the embodiment of the utility model, an environmental monitoring device for inhalable particulate matter in the air comprises a cover body 1, which is horn-shaped, and the upper end of the cover body 1 is connected to a cylindrical air duct 2, and a connecting rod 3 is welded to the inner wall of the cover body 1, and a bottom plate 4 is bolted to the connecting rod 3, and a plurality of air vents 5 are provided on the bottom plate 4, and an air guide cone 6 is connected to the upper end of the bottom plate 4, and a fixing ring 7 is welded inside the cover body 1, and a particle laser sensor 8 is connected to the fixing ring 7, and the particle laser sensor 8 is connected to a wire 9, and the inner wall of the air duct 2 is fixed with a connecting rod 3, and a bottom plate 4 is bolted to the connecting rod 3, and a plurality of air vents 5 are provided on the bottom plate 4, and a plurality of air vents 5 are provided on the bottom plate 4, and a plurality of air vents 5 are provided on the bottom plate 4, and a plurality of air vents 5 are provided on the bottom plate 4, and a plurality of air vents 5 are provided on the upper end of the bottom plate 4, and a fixing ring 7 is welded inside the cover body 1, and a particle laser sensor 8 is connected to the fixing ring 7, and a particle laser sensor 8 is connected to a wire 9, and the inner wall of the air duct 2 is fixed with a connecting rod 3, and a connecting rod 3 is bolted to the connecting rod 3, and a bottom plate 4 is bolted to the connecting rod 3, and a plurality of air vents 5 are provided on the bottom plate 4 ... The fan 10 is fixedly installed, a plurality of sliding grooves 11 are provided inside the air duct 2, a top plate 12 is fitted and connected to the upper end of the air duct 2, a plurality of vertical rods 13 are connected to the bottom of the top plate 12, a sliding block 14 is connected to the bottom of the vertical rod 13, the sliding block 14 is slidably engaged in the sliding groove 11, a fixing plate 16 is connected to the air duct 2, the fixing plate 16 is connected to the fixed base with bolts, the upper end of the cover body 1 is connected to the air duct 2, and the fan 10 inside the air duct 2 forms a negative pressure inside the device when it rotates in the forward direction, and the air carrying The inhalable particles are introduced through the multiple ventilation slots 5 on the bottom plate 4 and guided by the air guide cone 6 to guide the airflow into the particle laser sensor 8 on the fixing ring 7. The particle laser sensor 8 monitors the particles in the air and outputs the signal through the wire 9. The monitored air is output through the upper air guide pipe 2. The air guide pipe 2 with a smaller diameter accelerates the airflow to be output. The larger impact force lifts the top plate 12 to output the airflow. The top plate 12 is connected to multiple vertical rods 13. The sliding blocks 14 on the vertical rods 13 are stuck in the sliding slots 11 to prevent the top plate 12 from detaching. When the device is not in use, the top plate 12 is automatically pressed down to seal the upper vertical opening to prevent rain and snow from invading. The cover body 1 in the vertical state avoids the inhalation of larger particles. At the same time, when more dust is accumulated inside the device, the reverse fan 10 can drive the airflow inside the device to circulate and blow, clean the dust inside the device, and perform self-cleaning. The cleaned dust is guided by the side of the air guide cone 6, so that the dust is output through multiple ventilation slots 5 to avoid dust accumulation, and the use effect is good.
[0024] Preferably, Figure 2 As shown, the multiple ventilation slots 5 on the bottom plate 4 are all fan-shaped, and the multiple ventilation slots 5 are evenly distributed in a ring on the bottom plate 4. The multiple fan-shaped and ring-shaped ventilation slots 5 on the bottom plate 4 can ensure the ventilation volume and monitor the inhalable particulate matter in the air.
[0025] Preferably, Figure 3 As shown, the wind guide cone 6 is conical, and the wind guide cone 6 and the fixed ring 7 are arranged on the same axis. The conical wind guide cone 6 is convenient for centralized airflow guidance. At the same time, the wind guide cone 6 and the fixed ring 7 on the axis allow the airflow to be centralized and guided in the center, which is convenient for monitoring by the particle laser sensor 8.
[0026] Preferably, Figure 2As shown, the edge of the top plate 12 is arc-shaped, and the diameter of the top plate 12 is larger than the diameter of the air duct 2. The arc-shaped edge of the top plate 12 facilitates the side diversion of water flow in rainy weather, and the larger diameter top plate 12 fully covers the opening of the air duct 2.
[0027] Preferably, Figure 4 As shown, a plurality of rollers 15 are rotatably connected to the sliding block 14 , and the rollers 15 are closely connected to the inner wall of the sliding groove 11 . The plurality of rollers 15 connected to the sliding block 14 reduce friction.
[0028] Preferably, Figure 1 As shown, the fixing plate 16 is L-shaped, and a plurality of U-shaped connection holes are provided at the vertical end of the fixing plate 16. The L-shaped fixing plate 16 facilitates vertical fixing and installation of the entire device, and the plurality of U-shaped connection holes on the fixing plate 16 facilitate stable fixing and installation with bolts.
[0029] Preferably, Figure 2 As shown, an insect-proof net 17 is connected to the bottom of the cover body 1. The insect-proof net 17 is arc-shaped. The arc-shaped insect-proof net 17 at the bottom of the cover body 1 prevents flying insects from entering and protects the air inlet end of the device.
[0030] The working principle of the utility model is as follows: the electrical equipment of the device is connected to an external power supply, the fixing plate 16 is connected to the fixed base with bolts, the upper end of the cover body 1 is connected to the air duct 2, the fan 10 inside the air duct 2 forms a negative pressure inside the device when it rotates forward, the air carrying the inhalable particles is introduced through the multiple air vents 5 on the bottom plate 4, and is guided by the air guide cone 6, and the airflow is introduced into the particle laser sensor 8 on the fixing ring 7, the particle laser sensor 8 monitors the particles in the air, and the signal is derived through the wire 9, the monitored air is derived through the upper end air duct 2, and the air duct 2 with a smaller diameter accelerates the airflow The top plate 12 is connected to a plurality of vertical rods 13, and the sliding blocks 14 on the vertical rods 13 are inserted into the sliding grooves 11 to prevent the top plate 12 from being separated. When the device is not in use, the top plate 12 is automatically pressed down to seal the vertical opening at the upper end to prevent rain and snow from invading. The cover body 1 in a vertical state prevents the inhalation of larger particles. At the same time, when a lot of dust is accumulated inside the device, the reverse fan 10 can drive the air flow inside the device to circulate and blow, clean the dust inside the device, and perform self-cleaning. The cleaned dust is guided through the side of the air guide cone 6, so that the dust is discharged through a plurality of ventilation slots 5 to avoid dust accumulation.
[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. An environmental monitoring device for inhalable particulate matter in air, comprising a cover body (1), characterized in that: The cover body (1) is trumpet-shaped, the upper end of the cover body (1) is connected to a cylindrical air guide pipe (2), the inner wall of the cover body (1) is welded with a connecting rod (3), the connecting rod (3) is bolted to a bottom plate (4), the bottom plate (4) is provided with a plurality of air vents (5), the upper end of the bottom plate (4) is connected to an air guide cone (6), the inside of the cover body (1) is welded with a fixing ring (7), the fixing ring (7) is connected to a particle laser sensor (8), and the particle laser sensor The device (8) is connected to a wire (9), a fan (10) is fixedly installed inside the air duct (2), a plurality of sliding grooves (11) are provided inside the air duct (2), the upper end of the air duct (2) is closely connected to a top plate (12), the bottom of the top plate (12) is connected to a plurality of vertical rods (13), the bottom of the vertical rods (13) is connected to a sliding block (14), the sliding block (14) is slidably engaged in the sliding groove (11), and a fixing plate (16) is connected to the air duct (2).
2. The environmental monitoring device for inhalable particulate matter in air according to claim 1 is characterized by: The plurality of ventilation slots (5) on the bottom plate (4) are all fan-shaped, and the plurality of ventilation slots (5) are distributed on the bottom plate (4) in an annular manner and at equal intervals.
3. The environmental monitoring device for inhalable particulate matter in air according to claim 1 is characterized by: The air guide cone (6) is cone-shaped, and the air guide cone (6) and the fixing ring (7) are arranged on the same axis.
4. The environmental monitoring device for inhalable particulate matter in air according to claim 1 is characterized by: The edge of the top plate (12) is arc-shaped, and the diameter of the top plate (12) is greater than the diameter of the air guide pipe (2).
5. The environmental monitoring device for inhalable particulate matter in air according to claim 1 is characterized by: The sliding block (14) is rotatably connected to a plurality of rollers (15), and the rollers (15) are closely connected to the inner wall of the sliding groove (11).
6. The environmental monitoring device for inhalable particulate matter in air according to claim 1 is characterized by: The fixing plate (16) is L-shaped, and a plurality of U-shaped connection holes are provided at a vertical end of the fixing plate (16).
7. The environmental monitoring device for inhalable particulate matter in air according to claim 1 is characterized by: The bottom of the cover body (1) is connected to an insect-proof net (17), and the insect-proof net (17) is arc-shaped.