CN216349816U

CN216349816U - Modularized gas sampling unmanned aerial vehicle

Info

Publication number: CN216349816U
Application number: CN202122787504.0U
Authority: CN
Inventors: 苏冰清; 丁凡倬; 张继晓
Original assignee: Beijing Forestry University
Current assignee: Beijing Forestry University
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-19
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a modularized gas sampling unmanned aerial vehicle which comprises an unmanned aerial vehicle main body, a modularized box body and a gas collecting device. The modularization box body can be installed and changed on same unmanned aerial vehicle for realize that three kinds of objects of gas, quality of water, soil are taken a sample. The gas collection device is arranged in the modularized box body, and gas sampling can be achieved. The gas collecting device and the unmanned aerial vehicle main body are powered by the same power supply and comprise a sampling pipe, a gas collecting bottle, a one-way electromagnetic exhaust valve, a connecting pipe, a selective three-way scavenging valve, a gas collecting tank and a motor. The gas collecting tank comprises a rubber piston, a fixed shaft, a support frame, a connecting rod, a rolling bearing, a shaft arm and a rotating shaft. The rubber piston is connected with the shaft arm through the connecting rod, and the shaft arm is driven to rotate through the motor to realize the up-and-down movement of the rubber piston, so that the suction and the discharge of gas are realized. This gaseous sample unmanned aerial vehicle of modularization can collect appointed high gas sample and get rid of air impurity, makes the sample result accurate, and the operation of being convenient for can the realizability strong.

Description

Modularized gas sampling unmanned aerial vehicle

Technical Field

The utility model relates to the technical field of air sampling, in particular to a modularized gas sampling unmanned aerial vehicle.

Background

With the increasing global air pollution, the task of air pollution detection and treatment in various areas in China is still very severe. The unmanned aerial vehicle has the advantages of real-time comprehensive monitoring, quick response, no limitation of a monitoring main body and the like, and is one of important development directions for identifying pollution sources of atmospheric emergency events and monitoring the concentration of pollutant gas.

When the existing unmanned aerial vehicle carries out high-altitude gas sampling, the problem that the detection result is influenced by the original residual gas in a sampling tank exists, so that the detection value error is overlarge; therefore, a modular gas sampling drone is proposed.

Disclosure of Invention

The utility model aims to provide a modularized gas sampling unmanned aerial vehicle which can eliminate gas interference and effectively improve the sampling accuracy of a gas sample.

In order to achieve the purpose, the utility model provides the following technical scheme: a modularized gas sampling unmanned aerial vehicle comprises an unmanned aerial vehicle main body, a modularized box body and a gas collecting device; the modularized box body is arranged at the bottom end of the unmanned aerial vehicle main body and is powered by the same power supply as the unmanned aerial vehicle main body; the gas collecting device is arranged in the modularized box body and comprises a sampling pipe, a selective three-way scavenging valve, a gas collecting bottle, a one-way electromagnetic exhaust valve, a motor, a gas collecting tank and a connecting pipe; the sampling tube is arranged on the selective three-way scavenging valve; the motor is fixedly connected to the side face of the modular box body through a screw; the gas collecting tank is arranged at the lower end of the selective three-way scavenging valve, and a gas collecting system is arranged in the gas collecting tank; the gas collecting system comprises a rubber piston, a fixed shaft, a supporting frame, a connecting rod, a rolling bearing, a shaft arm and a rotating shaft; the support frame is connected with the fixed shaft and is positioned at the lower end of the rubber piston; the upper end of the connecting rod is connected with the fixed shaft, and the lower end of the connecting rod is connected with the rolling bearing; and a rolling bearing is installed at one end of the shaft arm, a rotating shaft is installed at the other end of the shaft arm, and the shaft arm is connected with the motor through the rotating shaft.

Furthermore, the number of the gas collecting bottles is three, and the gas collecting bottles are uniformly distributed around the gas collecting tank.

Furthermore, the number of the connecting pipes is three, and the connecting pipes are respectively connected with the selective three-way scavenging valve and the gas collecting bottle.

Furthermore, the number of the one-way electromagnetic exhaust valves is three, and the three one-way electromagnetic exhaust valves are respectively positioned at the bottom of the gas collecting bottle.

Compared with the prior art, the utility model has the beneficial effects that: the modularized gas sampling unmanned aerial vehicle can realize the universal sampling of gas, water quality and soil through the replacement of the modularized box body, is convenient to operate and saves the cost; a selective three-way scavenging valve is arranged in the gas collecting device, the flow direction of the gas in the pipeline can be changed by controlling the valve to be opened and closed through a remote controller, and the gas is discharged into the gas collecting bottles respectively; the one-way electromagnetic exhaust valve is arranged at the bottom of the gas collecting bottle, the gas can be exhausted outwards when the gas collecting bottle is electrified, the gas is exhausted before sampling, residual air does not exist, the sampling result is accurate, and the practicability is high.

Drawings

Fig. 1 is a schematic view of an overall structure of a modular gas sampling unmanned aerial vehicle for gas sampling according to the present invention;

fig. 2 is a side view of the overall structure of a modular gas sampling unmanned aerial vehicle according to the present invention;

fig. 3 is a top view of a gas collecting device of a modular gas sampling unmanned aerial vehicle according to the present invention;

fig. 4 is a schematic structural view of a gas collecting tank of the modular gas sampling unmanned aerial vehicle provided by the utility model after being cut open.

In the figure: the unmanned aerial vehicle comprises an unmanned aerial vehicle main body 1, a modularized box body 2, a sampling tube 3, a selective three-way scavenging valve 4, a gas collecting bottle 5, a one-way electromagnetic exhaust valve 6, a motor 7, a gas collecting tank 8, a connecting pipe 9, a rubber piston 10, a fixed shaft 11, a support frame 12, a connecting rod 13, a rolling bearing 14, a shaft arm 15 and a rotating shaft 16.

Detailed Description

The technical solution in the implementation of the present invention will be clearly and completely described below with reference to the accompanying drawings in the implementation of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: a modularized gas sampling unmanned aerial vehicle comprises an unmanned aerial vehicle main body 1, a modularized box body 2, a sampling tube 3, a selective three-way scavenging valve 4, a gas collecting bottle 5, a one-way electromagnetic exhaust valve 6, a motor 7, a gas collecting tank 8, a connecting tube 9, a rubber piston 10, a fixed shaft 11, a support frame 12, a connecting rod 13, a rolling bearing 14, a shaft arm 15 and a rotating shaft 16; the modularized box body 2 is arranged at the bottom end of the unmanned aerial vehicle main body 1 and is powered by the same power supply as the unmanned aerial vehicle main body 1; the gas collection device is arranged inside the modular box body 2 and comprises a sampling pipe 3, a selective three-way scavenging valve 4, a gas collection bottle 5, a one-way electromagnetic exhaust valve 6, a motor 7, a gas collection tank 8 and a connecting pipe 9; the sampling tube 3 is arranged on a selective three-way ventilation valve 4; the motor 7 is fixedly connected to the side face of the modular box body 2 through screws; the gas collecting tank 8 is arranged at the lower end of the selective three-way scavenging valve 4, and a gas collecting system is arranged in the gas collecting tank 8; the gas collecting system comprises a rubber piston 10, a fixed shaft 11, a support frame 12, a connecting rod 13, a rolling bearing 14, a shaft arm 15 and a rotating shaft 16; the support frame 12 is connected with the fixed shaft 11 and is positioned at the lower end of the rubber piston 10; the upper end of the connecting rod 13 is connected with the fixed shaft 11, and the lower end of the connecting rod 13 is connected with the rolling bearing 14; one end of the shaft arm 15 is provided with a rolling bearing 14, the other end of the shaft arm is provided with a rotating shaft 16, and the shaft arm 15 is connected with the motor 7 through the rotating shaft 16; three gas collection bottles 5 are uniformly distributed around the gas collection tank 8; three connecting pipes 9 are respectively connected with the selective three-way scavenging valve 4 and the gas collecting bottle 5; three one-way electromagnetic exhaust valves 4 are arranged at the bottom of the gas collecting bottle 5 respectively.

In the utility model, when high-altitude gas needs to be sampled, after a main body 1 of the remote control unmanned aerial vehicle flies to a specified height, a one-way electromagnetic exhaust valve 6 is opened, a motor 7 is controlled to work to enable a rotating shaft 16 to rotate, a rolling bearing 14 is driven to work through a shaft arm 15, a connecting rod 13 drives a rubber piston 10 to move up and down, the gas enters a selective three-way scavenging valve 4 through a sampling pipe 3 and enters a gas collecting bottle 5 through a connecting pipe 9, residual gas in the gas collecting bottle 5 is emptied in a timed mode, the one-way electromagnetic exhaust valve 6 is closed, the selective three-way scavenging valve 4 is closed, and a gas sample enters the gas collecting bottle 5; this gaseous sample unmanned aerial vehicle of modularization can collect appointed high gas sample and get rid of air impurity, makes the sample result accurate, practices thrift the sample time, the operation of being convenient for, and the realizability is strong.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A modularized gas sampling unmanned aerial vehicle is characterized by comprising an unmanned aerial vehicle main body (1), a modularized box body (2) and a gas collecting device; the modularized box body (2) is installed at the bottom end of the unmanned aerial vehicle main body (1) and is powered by the same power supply as the unmanned aerial vehicle main body (1); the gas collection device is arranged inside the modular box body (2) and comprises a sampling pipe (3), a selective three-way scavenging valve (4), a gas collection bottle (5), a one-way electromagnetic exhaust valve (6), a motor (7), a gas collection tank (8) and a connecting pipe (9); the sampling tube (3) is arranged on the selective three-way ventilation valve (4); the motor (7) is fixedly connected to the side face of the modular box body (2) through screws; the gas collecting tank (8) is arranged at the lower end of the selective three-way scavenging valve (4), and a gas collecting system is arranged in the gas collecting tank (8);

the gas collecting system comprises a rubber piston (10), a fixed shaft (11), a support frame (12), a connecting rod (13), a rolling bearing (14), a shaft arm (15) and a rotating shaft (16); the support frame (12) is connected with the fixed shaft (11) and is positioned at the lower end of the rubber piston (10); the upper end of the connecting rod (13) is connected with the fixed shaft (11), and the lower end of the connecting rod (13) is connected with the rolling bearing (14); antifriction bearing (14) are installed to arbor arm (15) one end, and pivot (16) are installed to the other end, and arbor arm (15) are connected with motor (7) through pivot (16).

2. A modular unmanned gas sampling machine according to claim 1, wherein there are three gas collection bottles (5) and the gas collection bottles are evenly distributed around the gas collection tank (8).

3. A modular unmanned gas sampling machine according to claim 1, wherein there are three connecting pipes (9) connecting the selective three-way ventilation valve (4) and the gas collection bottle (5).

4. A modular unmanned gas sampling machine according to claim 1, wherein there are three one-way electromagnetic exhaust valves (6), each located at the bottom of a gas collection bottle (5).