CN216349816U - A modular gas sampling drone - Google Patents

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

A modular gas sampling drone

technical field

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

Background technique

With the increasingly serious global air pollution, the task of air pollution detection and control in various regions of my country is still very serious. UAV has the advantages of real-time comprehensive monitoring, rapid response, and is not restricted by the monitoring subject.

When the current UAV performs high-altitude gas sampling, there is a problem that the original residual gas in the sampling tank will affect the detection result, resulting in excessive detection value error. Therefore, a modular gas sampling UAV is proposed.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a modular gas sampling unmanned aerial vehicle, which can eliminate the interference of gas and can effectively improve the accuracy of gas sample sampling.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a modularized gas sampling unmanned aerial vehicle, comprising an unmanned aerial vehicle main body, a modular box body and a gas collecting device; the modular box body is installed on the unmanned aerial vehicle main body The bottom end is powered by the same power supply as the main body of the unmanned aerial vehicle; the gas collecting device is installed inside the modular box, and the gas collecting device includes a sampling pipe, a selective three-way ventilation valve, a gas collecting bottle, a single Electromagnetic exhaust valve, motor, gas collecting tank and connecting pipe; the sampling pipe is installed on the selective three-way ventilation valve; the motor is fixedly connected to the side of the modular box body by screws; the gas collecting tank is installed A gas collection system is installed inside the gas collecting tank at the lower end of the selective three-way ventilation valve; the gas collection system includes a rubber piston, a fixed shaft, a support frame, a connecting rod, a rolling bearing, a shaft arm and a rotating shaft; the support frame The connecting rod is connected with the fixed shaft and is located 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 a rolling bearing; one end of the shaft arm is installed with a rolling bearing, and the other end is installed with a rotating shaft, and the shaft arm is connected with the motor through the rotating shaft .

Further, there are three gas collecting cylinders, which are evenly distributed around the gas collecting tank.

Further, there are three connecting pipes, which are respectively connected to the selective three-way ventilation valve and the gas collecting cylinder.

Further, there are three one-way electromagnetic exhaust valves, which are respectively located at the bottom of the gas collecting cylinder.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the modularized gas sampling unmanned aerial vehicle can realize general sampling of gas, water quality and soil by replacing the modular box body, which is convenient for operation and saves costs; There is a selective three-way ventilation valve, and the flow direction of the gas in the pipeline can be changed by controlling the valve switch through the remote control, and the gas is discharged into the gas collecting cylinder respectively; a one-way electromagnetic exhaust valve is installed at the bottom of the gas collecting cylinder, and the power can be turned on. Exhaust, before sampling, there is no residual air, so that the sampling results are accurate and have strong practicability.

Description of drawings

1 is a schematic diagram of the overall structure of a modular gas sampling drone proposed by the utility model when gas sampling is performed;

Fig. 2 is the overall structure side view of a kind of modular gas sampling unmanned aerial vehicle proposed by the utility model;

3 is a top view of a gas collecting device of a modular gas sampling drone proposed by the utility model;

FIG. 4 is a schematic structural diagram of a gas collecting tank of a modular gas sampling drone proposed by the present invention after being cut open.

In the picture: 1 UAV main body, 2 modular box body, 3 sampling tube, 4 selective three-way ventilation valve, 5 gas collecting cylinder, 6 one-way electromagnetic exhaust valve, 7 motor, 8 gas collecting tank, 9 Connecting pipe, 10 rubber piston, 11 fixed shaft, 12 supporting frame, 13 connecting rod, 14 rolling bearing, 15 shaft arm, 16 rotating shaft.

Detailed ways

The technical solutions in the implementation of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the implementation of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments; Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Please refer to FIGS. 1-4, an embodiment provided by the present utility model: a modular gas sampling drone, comprising a drone body 1, a modular box body 2, a sampling tube 3, and a selective three-way ventilation Valve 4, gas collecting cylinder 5, one-way electromagnetic exhaust valve 6, motor 7, gas collecting tank 8, connecting pipe 9, rubber piston 10, fixed shaft 11, support frame 12, connecting rod 13, rolling bearing 14, shaft arm 15 , a rotating shaft 16; the modular box body 2 is installed on the bottom end of the drone body 1, and uses the same power supply as the drone body 1; the gas collecting device is installed inside the modular box body 2, and The gas collecting device includes a sampling pipe 3, a selective three-way ventilation valve 4, a gas collecting cylinder 5, a one-way electromagnetic exhaust valve 6, a motor 7, a gas collecting tank 8 and a connecting pipe 9; on the optional three-way ventilation valve 4; the motor 7 is fixedly connected to the side of the modular box 2 by screws; the gas collection tank 8 is installed on the lower end of the selective three-way ventilation valve 4, and the gas collection tank 8 is installed inside There is a gas collection system; the gas collection system includes 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 located in The lower end of the rubber piston 10; the upper end of the connecting rod 13 is connected to the fixed shaft 11, and the lower end of the connecting rod 13 is connected to the rolling bearing 14; It is connected with the motor 7; the gas collecting cylinders 5 have three, and are evenly distributed around the gas collecting tank 8; the connecting pipes 9 have three, which are respectively connected to the selective three-way ventilation valve 4 and the gas collecting cylinder 5; the There are three one-way electromagnetic exhaust valves 4 , which are respectively located at the bottom of the gas collecting cylinder 5 .

In the present utility model, when it is necessary to sample the high-altitude air, after the drone body 1 is remotely controlled to fly to a specified height, the one-way electromagnetic exhaust valve 6 is opened, and the motor 7 is controlled to work to make the rotating shaft 16 rotate, which is driven by the shaft arm 15. The rolling bearing 14 works, so that the connecting rod 13 drives the rubber piston 10 to move up and down, the gas enters the selective three-way ventilation valve 4 through the sampling pipe 3 and enters the gas collecting cylinder 5 through the connecting pipe 9, and the residual gas in the gas collecting cylinder 5 is emptied in time. , close the one-way electromagnetic exhaust valve 6, close the selective three-way ventilation valve 4, and the gas sample enters the gas collection bottle 5; the modular gas sampling drone can collect gas samples at a specified height and remove air impurities, so that the sampling The results are accurate, the sampling time is saved, the operation is convenient, and the realization is strong.

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

Claims (4)

1. A modular gas sampling drone, characterized in that it comprises a drone main body (1), a modular box (2) and a gas collecting device; the modular box (2) is installed in an unmanned aerial vehicle. The bottom end of the main body (1) is powered by the same power supply as the main body of the drone (1); the gas collecting device is installed inside the modular box body (2), and the gas collecting device includes a sampling pipe (3) , a selective three-way ventilation valve (4), a gas collecting cylinder (5), a one-way electromagnetic exhaust valve (6), a motor (7), a gas collecting tank (8) and a connecting pipe (9); the sampling The pipe (3) is installed on the selective three-way ventilation valve (4); the motor (7) is fixedly connected to the side surface of the modular box body (2) by screws; the gas collecting tank (8) is installed on the selective The lower end of the three-way ventilation valve (4), and a gas collection system is installed inside the gas collection tank (8); The gas collection 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 to the fixed shaft (11) and is located at the lower end of the rubber piston (10); the upper end of the connecting rod (13) is connected to the fixed shaft (11), and the lower end of the connecting rod (13) is connected to the rolling bearing (14); the A rolling bearing (14) is installed on one end of the shaft arm (15), and a rotating shaft (16) is installed at the other end, and the shaft arm (15) is connected with the motor (7) through the rotating shaft (16). 2. A modularized gas sampling drone according to claim 1, characterized in that, there are three gas collecting cylinders (5), which are evenly distributed around the gas collecting tank (8). 3. A modularized gas sampling drone according to claim 1, characterized in that there are three connecting pipes (9), which are respectively connected to the selective three-way ventilation valve (4) and the gas collecting cylinder ( 5). 4. A modular gas sampling drone according to claim 1, characterized in that there are three one-way electromagnetic exhaust valves (6), which are respectively located at the bottom of the gas collecting cylinder (5).

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