Air pollution tracing equipment

Abstract

The present invention belongs to the field of air pollution detection technology, and specifically relates to an air pollution source tracing device, including a detection device and an unmanned aerial vehicle, wherein a sampling chamber is provided in the middle of the detection device, the detection device is installed at the upper end of the unmanned aerial vehicle, a sampling channel is provided in the middle of the unmanned aerial vehicle, the sampling chamber is connected to the sampling channel, and landing gears are installed on both sides of the bottom of the unmanned aerial vehicle; the present invention can quickly respond to the monitoring needs of air pollution by carrying the detection equipment on the unmanned aerial vehicle, and realize the rapid tracing of air pollution. This efficient method greatly improves the timeliness and accuracy of pollution monitoring. The landing gear of the present invention adopts a reversible semicircular tube structure, which maintains a horizontal state when the unmanned aerial vehicle is flying, extends the air sampling port, and increases the sampling range; when the unmanned aerial vehicle stops working, it flips into a supporting foot to ensure that the unmanned aerial vehicle lands smoothly. This design not only ensures flight stability, but also takes into account sampling efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of air pollution detection, and in particular relates to air pollution source tracing equipment. Background Art

[0002] Atmospheric pollutants refer to those substances that are discharged into the atmosphere due to human activities or natural processes and have harmful effects on people and the environment. In a dry and clean atmosphere, the composition of constant gases is negligible, but in a certain range of the atmosphere, trace substances that were not originally present appear, and their quantity and duration may have adverse effects and hazards on people, animals, plants, objects, and materials. At present, there are two main ways to achieve atmospheric pollution source tracing. One is based on site monitoring, which deploys refined monitoring grids in the region to monitor the environmental quality change trend in the region in real time. When pollution occurs, the pollution source can be traced according to the change trend path of the data. The other is based on the air quality model. On the basis of simulating regional meteorology, the diffusion of pollutants and the calculation of biochemical reactions between various pollutants are simulated to simulate air quality. When the air quality of a certain site is abnormal, the output results and transmission process of the model grid can be used to locate the pollution source, thereby tracing the pollution source. The above two methods are fixed monitoring points, which require the deployment of a large number of monitoring points and are costly. Another method is mobile, which mainly uses mobile devices equipped with online air monitoring and analysis equipment to move to different regional locations to monitor and analyze the atmosphere and trace the pollution source.

[0003] In the prior art, detection equipment is usually installed on drones as air pollution source tracing detection equipment. However, the gas sampling port of the existing drone detection equipment is close to the drone rotor and is easily disturbed by the rotor airflow, which affects the detection accuracy of the detection equipment. Summary of the invention

[0004] The purpose of the present invention is to provide an atmospheric pollution source tracing device for solving the problems raised in the background technology.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0006] An atmospheric pollution source tracing device comprises a detection device and a drone, wherein a sampling chamber is provided in the middle of the detection device, the detection device is mounted on the upper end of the drone, a sampling channel is provided in the middle of the drone, the sampling chamber is connected to the sampling channel, and landing gears are installed on both sides of the bottom of the drone;

[0007] The landing gear includes two fixing seats fixed to the bottom of the UAV, a rotating shaft is rotatably installed between the two fixing seats, the rotating shaft is provided with a rotating assembly, a hollow tube is fixed in the middle of the rotating shaft, one end of the hollow tube is connected to the sampling channel through a first hose, and the other end of the hollow tube is hinged with two semicircular tubes, the two semicircular tubes are closed to form a circular tube, and a flip assembly is provided between the semicircular tube and the rotating shaft;

[0008] The flip assembly includes a U-shaped seat fixed at the end of the rotating shaft, and the U-shaped seat is rotatably installed with a telescopic rod through a rotating rod, the end of the telescopic rod is hinged to the semicircular tube, the U-shaped seat is provided with a cavity, the rotating rod extends into the cavity and is connected to a gear, a rack meshing with the gear is slidably provided in the cavity, a first spring is provided between one side of the rack and the side wall of the cavity, a sliding rod is fixed to the other side of the rack, the sliding rod slides out of the cavity and is connected to a pushing rod, the fixed seat is provided with an arc groove matching the pushing rod, and a boss is fixed on the lower side of the arc groove.

[0009] An air pump is provided in the sampling chamber for pumping outside air into the sampling chamber, and an air detection sensor is provided in the sampling chamber for detecting components of air samples.

[0010] An air intake cover is arranged at the end of the semicircular tube.

[0011] The rotating assembly includes a motor disposed inside the drone, and an output shaft of the motor is drivingly connected to the rotating shaft.

[0012] The telescopic rod is composed of a sleeve and a piston rod, the piston rod seals and slides inside the sleeve, the end of the piston rod is hinged to the semicircular tube, an airbag is provided on the inner wall of the semicircular tube, an airway connected to the sleeve is provided in the middle of the piston rod, the airway is connected to a second hose near one end of the semicircular tube, and the second hose is connected to the airbag.

[0013] A mounting groove is provided at the upper end of the drone, a mounting block matching the mounting groove is fixed to the bottom of the detection device, a groove is provided on the side wall of the mounting groove, a locking block is slidably provided in the groove, a second spring is provided between the locking block and the side wall of the groove, the mounting block is provided with a locking groove matching the locking block, and a toggle rod is connected to the rear side of the locking block.

[0014] The present invention can quickly respond to the monitoring needs of air pollution by carrying detection equipment on drones, and realize rapid tracing of air pollution. This efficient method greatly improves the timeliness and accuracy of pollution monitoring.

[0015] The landing gear of the present invention adopts a reversible semicircular tube structure, which keeps the drone in a horizontal state when flying, extends the air sampling port, and increases the sampling range; when the drone stops working, it flips into a supporting foot to ensure that the drone lands smoothly. This design not only ensures flight stability, but also takes into account sampling efficiency.

[0016] The airbag arranged on the inner wall of the semicircular tube of the present invention can expand and fill the semicircular tube when the landing gear is turned over to a horizontal state, providing a buffer when in contact with the ground, while increasing the contact area, making the support of the drone more stable. This design improves the safety and durability of the drone. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further illustrated by means of the non-limiting examples given in the accompanying drawings.

[0018] Figure 1 A schematic diagram of the structure of an embodiment of an atmospheric pollution tracing device of the present invention Figure 1 ;

[0019] Figure 2 A schematic diagram of the structure of an embodiment of an atmospheric pollution tracing device of the present invention Figure 2 ;

[0020] Figure 3 for Figure 2 A schematic diagram of the structure enlargement at the center A;

[0021] Figure 4 It is a structural schematic diagram of the landing gear 2 of the present invention;

[0022] Figure 5 for Figure 4 A schematic diagram of the structure enlarged at B in the middle;

[0023] Figure 6 for Figure 4 A schematic diagram of the structure enlarged at C in the middle;

[0024] Figure 7 It is a structural front view of an embodiment of an air pollution tracing device of the present invention;

[0025] Figure 8 for Figure 7 A schematic diagram of the structure at D in the middle is enlarged;

[0026] Fig. 9 This is a schematic diagram of another state structure of an embodiment of an air pollution source tracing device of the present invention.

[0027] The main component symbols are described as follows:

[0028] Detection equipment 0, mounting block 01, locking slot 02, drone 1, mounting slot 11, groove 12, locking block 13, second spring 14, toggle rod 15, landing gear 2, fixed seat 21, rotating shaft 22, hollow tube 23, semicircular tube 24, air intake cover 241, U-shaped seat 3, telescopic rod 31, sleeve 311, piston rod 312, airbag 313, airway 314, cavity 32, gear 33, rack 34, first spring 35, slide rod 36, push rod 37, arc groove 38. DETAILED DESCRIPTION

[0029] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0030] like Figure 1-9 As shown, an atmospheric pollution source tracing device of the present invention comprises a detection device 0 and a drone 1, a sampling chamber is provided in the middle of the detection device 0, the detection device 0 is installed on the upper end of the drone 1, a sampling channel is provided in the middle of the drone 1, the sampling chamber is connected to the sampling channel, and landing gears 2 are installed on both sides of the bottom of the drone 1;

[0031] The landing gear 2 includes two fixing seats 21 fixed at the bottom of the UAV 1, a rotating shaft 22 is rotatably installed between the two fixing seats 21, the rotating shaft 22 is provided with a rotating assembly, a hollow tube 23 is fixed in the middle of the rotating shaft 22, one end of the hollow tube 23 is connected to the sampling channel through a first hose, and the other end of the hollow tube 23 is hinged with two semicircular tubes 24, the two semicircular tubes 24 are closed to each other to form a circular tube, and a flip assembly is provided between the semicircular tube 24 and the rotating shaft 22;

[0032] The flip assembly includes a U-shaped seat 3 fixed at the end of the rotating shaft 22, and the U-shaped seat 3 is rotatably installed with a telescopic rod 31 through a rotating rod. The end of the telescopic rod 31 is hinged to the semicircular tube 24, and the U-shaped seat 3 is provided with a cavity 32. The rotating rod extends into the cavity 32 and is connected to a gear 33. A rack 34 meshing with the gear 33 is slidably provided in the cavity 32. A first spring 35 is provided between one side of the rack 34 and the side wall of the cavity 32, and a sliding rod 36 is fixed to the other side of the rack 34. The sliding rod 36 slides out of the cavity 32 and is connected to a push rod 37. The fixed seat 21 is provided with an arc groove 38 matching the push rod 37, and a boss is fixed on the lower side of the arc groove 38.

[0033] An air pump is provided in the sampling chamber for drawing outside air into the sampling chamber, and an air detection sensor is provided in the sampling chamber for detecting the composition of the air sample.

[0034] An air inlet cover 241 is provided at the end of the semicircular tube 24 .

[0035] The rotating assembly includes a motor disposed inside the drone 1 , and an output shaft of the motor is transmission-connected to the rotating shaft 22 .

[0036] The drone 1 is equipped with the detection device 0 to conduct mobile dynamic monitoring of pollutants within the monitoring range and start the source tracing work. The detection device 0 can collect environmental big data to an external terminal or an environmental monitoring cloud platform through wireless transmission. Combined with the comprehensive analysis function of the cloud platform, it can realize real-time collection and transmission, real-time monitoring of air environment quality, online data query, spatiotemporal dynamic trend analysis, pollution reduction assessment, pollution source tracking, automatic early warning and forecasting, comprehensive analysis of environmental protection information, etc., to provide information resources and timely and effective decision-making support for air pollution prevention and control work;

[0037] During the flight of the drone 1, the motor drives the shaft 22 to rotate, so that the landing gear 2 is in a horizontal state. Figure 8 As shown, the two semicircular tubes 24 are closed to each other to form a circular tube, the circular tube is aligned with the hollow tube 23, and the air inlet cover 241 at the end of the circular tube is located on one side of the UAV 1. When the air is detected, the air pump in the sampling chamber is used to let the outside air enter the sampling chamber through the air inlet cover 241, the circular tube, the hollow tube 23, the first hose and the sampling channel. The air detection sensor in the sampling chamber detects the components of the air sample, and the air sampling port is set away from the UAV rotor to avoid the airflow generated by the rotor from interfering with the detection data;

[0038] When the UAV 1 stops working, the motor drives the shaft 22 to rotate downward, so that the landing gear 2 flips downward. When the shaft 22 flips downward, the push rod 37 slides downward in the arc groove 38 and contacts the boss, thereby pushing the push rod 37 to slide toward the middle, that is, the rack 34 is driven to slide in the cavity 32 through the slide rod 36, so that the gear 33 rotates. The telescopic rod 31 can be driven to rotate relative to the shaft 22 through the rotating rod. The telescopic rod 31 can pull the semicircular tube 24 to flip with the hinge point with the hollow tube 23 as the center of the circle, and the semicircular tube 24 will flip to a state horizontal with the shaft 22. In this way, the two semicircular tubes 24 form a support foot for the UAV 1. Fig. 9 As shown, when the drone 1 falls, the supporting feet formed by the semicircular tubes 24 can support the drone 1 so that it lands smoothly.

[0039] With this design, when the UAV 1 is not in use, the supporting feet formed by the semicircular tubes 24 support the UAV 1. When the UAV 1 takes off, the landing gear 2 flips to a horizontal state, and the push rod 37 disengages from the fixed boss, and the elastic force of the first spring 35 pushes the rack 34 to reset, which can drive the two semicircular tubes 24 to close together to form a circular tube, extending the air sampling port. The structural design is reasonable and can increase the sampling range of the detection equipment.

[0040] The telescopic rod 31 is composed of a sleeve 311 and a piston rod 312. The piston rod 312 slides in a sealed manner inside the sleeve 311. The end of the piston rod 312 is hinged to the semicircular tube 24. An airbag 313 is provided on the inner wall of the semicircular tube 24. An airway 314 connected to the sleeve 31 is provided in the middle of the piston rod 312. The airway 314 is connected to a second hose near one end of the semicircular tube 24, and the second hose is connected to the airbag 313.

[0041] During the flight of the drone, the landing gear 2 is in a horizontal state, and the two semicircular tubes 24 are closed to each other. At this time, the airbag 313 is in a contracted state and fits against the side wall of the semicircular tube 24, and will not affect the air flow.

[0042] When the landing gear 2 is turned down, the semicircular tube 24 is unfolded to be horizontal with the rotating shaft 22, and the piston rod 312 is pushed to slide in the sleeve 311, and the air in the sleeve 311 is pushed into the airbag 313 through the airway 314 and the second hose. The airbag 313 expands to form a circle, filling the semicircular tube 24. Fig. 9 As shown, when the drone 1 falls, the airbag 313 will contact the ground, which can increase the contact area, and the airbag 313 can cushion the drone 1. The semicircular tube 24 is filled by the airbag 313, and the support for the drone 1 is more stable.

[0043] A mounting groove 11 is provided at the upper end of the drone 1, a mounting block 01 matching the mounting groove 11 is fixed at the bottom of the detection device 0, a groove 12 is provided on the side wall of the mounting groove 11, a locking block 13 is slidably provided in the groove 12, a second spring 14 is provided between the locking block 13 and the side wall of the groove 12, the mounting block 01 is provided with a locking groove 02 matching the locking block 13, and a toggle rod 15 is connected to the rear side of the locking block 13.

[0044] The upper end of the locking block 13 is processed with a bevel. When installing the detection device 0, you only need to push the mounting block 01 into the mounting groove 11, and the locking block 13 will enter the locking groove 02 to fix the detection device 0. When disassembling the detection device 0, you only need to use the toggle rod 15 to drive the locking block 13 out of the mounting groove 11, and the detection device 0 can be taken out. The operation is simple.

[0045] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. An atmospheric pollution source tracing device, comprising a detection device and a drone, wherein a sampling chamber is provided in the middle of the detection device, and characterized in that: The detection device is installed on the upper end of the drone, a sampling channel is provided in the middle of the drone, the sampling chamber is connected to the sampling channel, and landing gears are installed on both sides of the bottom of the drone; The landing gear includes two fixing seats fixed to the bottom of the UAV, a rotating shaft is rotatably installed between the two fixing seats, the rotating shaft is provided with a rotating assembly, a hollow tube is fixed in the middle of the rotating shaft, one end of the hollow tube is connected to the sampling channel through a first hose, and the other end of the hollow tube is hinged with two semicircular tubes, the two semicircular tubes are closed to form a circular tube, and a flip assembly is provided between the semicircular tube and the rotating shaft; The flip assembly includes a U-shaped seat fixed at the end of the rotating shaft, and the U-shaped seat is rotatably installed with a telescopic rod through a rotating rod, the end of the telescopic rod is hinged to the semicircular tube, the U-shaped seat is provided with a cavity, the rotating rod extends into the cavity and is connected to a gear, a rack meshing with the gear is slidably provided in the cavity, a first spring is provided between one side of the rack and the side wall of the cavity, a sliding rod is fixed to the other side of the rack, the sliding rod slides out of the cavity and is connected to a pushing rod, the fixed seat is provided with an arc groove matching the pushing rod, and a boss is fixed on the lower side of the arc groove.

2. The air pollution source tracing device according to claim 1, characterized in that: An air pump is provided in the sampling chamber for pumping outside air into the sampling chamber, and an air detection sensor is provided in the sampling chamber for detecting components of the air sample.

3. The air pollution source tracing device according to claim 1, characterized in that: An air intake cover is arranged at the end of the semicircular tube.

4. The air pollution source tracing device according to claim 1, characterized in that: The rotating assembly includes a motor disposed inside the drone, and an output shaft of the motor is drivingly connected to the rotating shaft.

5. The air pollution source tracing device according to claim 1, characterized in that: The telescopic rod is composed of a sleeve and a piston rod, the piston rod seals and slides inside the sleeve, the end of the piston rod is hinged to the semicircular tube, an airbag is provided on the inner wall of the semicircular tube, an airway connected to the sleeve is provided in the middle of the piston rod, the airway is connected to a second hose near one end of the semicircular tube, and the second hose is connected to the airbag.

6. The air pollution source tracing device according to claim 1, characterized in that: A mounting groove is provided at the upper end of the drone, a mounting block matching the mounting groove is fixed to the bottom of the detection device, a groove is provided on the side wall of the mounting groove, a locking block is slidably provided in the groove, a second spring is provided between the locking block and the side wall of the groove, the mounting block is provided with a locking groove matching the locking block, and a toggle rod is connected to the rear side of the locking block.

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