Ocean sampling unmanned aerial vehicle

Abstract

The utility model relates to a marine sampling unmanned aerial vehicle, and belongs to the field of unmanned aerial vehicles, the marine sampling unmanned aerial vehicle comprises an unmanned aerial vehicle main body and a sampling device mounted on the unmanned aerial vehicle main body, and the unmanned aerial vehicle main body is provided with a mounting frame for arranging the sampling device; the sampling device comprises a pay-off roller rotationally mounted on the mounting frame, a sampling cable wound on the pay-off roller, a driving motor for driving the pay-off roller to rotate, and a sampling mechanism connected to the sampling cable and used for obtaining a seawater sample. The method has the effect of enlarging the seawater sample collection depth of the ocean sampling unmanned aerial vehicle.

Description

Technical Field

[0001] The present application relates to the field of drones, and in particular to an ocean sampling drone. Background Art

[0002] In order to evaluate the quality of ocean water, it is necessary to collect and test ocean water samples to promptly identify and solve problems, prevent and control water pollution, and thus safeguard ecological balance and human health. With the rapid development of drones, drones have gradually begun to be used to assist relevant departments in quickly monitoring water pollution incidents, mainly for collecting water samples. At present, most water quality sampling drones mainly include a drone body and a sampling device installed on the drone body, wherein the sampling device includes a pumping component and a lifting drive component that drives the pumping component up and down. However, the sampling range of the above-mentioned water quality sampling drone is limited. In order to more accurately judge the water quality of the ocean, it is often necessary to collect water quality samples at different depths for testing. In view of the above-mentioned related technologies, the inventor believes that there is a need for a water quality sampling drone that can collect water quality samples at different depths. Utility Model Content

[0003] In order to expand the depth of seawater sampling by water quality sampling drones, the present application provides an ocean sampling drone.

[0004] The ocean sampling drone provided in this application adopts the following technical solution:

[0005] A marine sampling drone comprises a drone body and a sampling device mounted on the drone body, wherein the drone body is provided with a mounting frame for arranging the sampling device; the sampling device comprises a pay-off drum rotatably mounted on the mounting frame, a sampling cable wound around the pay-off drum, a drive motor for driving the pay-off drum to rotate, and a sampling mechanism connected to the sampling cable and used to obtain seawater samples.

[0006] By adopting the above technical solution, during the seawater sample collection process, the operator first controls the ocean sampling drone to reach the detection sea area, drives the motor to drive the pay-out drum to rotate, and the sampling cable wound on the pay-out drum is paid out, and the sampling mechanism connected to the sampling cable is sent to the required depth, and the seawater sample at that depth is collected. After the collection, the driving motor drives the pay-out drum to rotate, and the sampling device rises to complete the seawater sample collection. The above-mentioned ocean sampling drone achieves the purpose of the sampling mechanism collecting seawater samples at different depths through the cooperation between the pay-out drum and the sampling cable wound on the pay-out drum.

[0007] Optionally, the sampling mechanism includes a sampling housing; the sampling housing has a control chamber, a sampling chamber, and a sampling channel for connecting the control chamber and the sampling chamber, and the control chamber is formed with a sampling port on the sampling housing; a control piston and a drive assembly for driving the control piston are arranged in a sealed and sliding manner in the control chamber; the control piston has a first position and a second position after being driven by the drive assembly; when the control piston is in the first position, the sampling port is connected to the sampling chamber; when the control piston is in the second position, the sampling port and the sampling chamber are separated by the control piston. When the control piston is in the second position, the control piston covers the port of the sampling channel.

[0008] By adopting the above technical solution, when the ocean sampling drone sinks to the required depth in the ocean, the control piston is in the second position, the sampling port is separated from the sampling chamber by the control piston, and the seawater sample cannot enter the sampling chamber. When the drive component drives the control piston to the first position, the sampling port is connected to the sampling chamber, and the seawater sample can enter the sampling chamber, thereby realizing the collection of seawater samples. When the seawater sample in the sampling chamber is sufficient, the drive component will drive the control piston back to the second position to end the collection.

[0009] Optionally, the sampling mechanism further includes a mounting end cover installed at the sampling port; the mounting end cover has a mounting portion inserted into the control chamber, and the mounting end cover also has water through holes running through both ends; the inner diameter of the water through hole is smaller than the outer diameter of the control piston.

[0010] By adopting the above technical solution, a mounting cap is provided at the sampling port. The mounting portion on the mounting cap provides a stable connection between the mounting cap and the control chamber, helping to reduce the probability of the control piston being pushed out of the control chamber. The water through hole on the mounting cap facilitates the passage of seawater samples, facilitating their collection.

[0011] Optionally, the sampling housing is further provided with a vacuum pumping structure, and the vacuum pumping structure includes an air suction port opened in the sampling housing and an air suction valve arranged at the air suction port.

[0012] By adopting the above technical solution, a vacuum structure is provided in the sampling housing to evacuate the gas in the sampling chamber, which helps to input the seawater sample into the sampling chamber.

[0013] Optionally, the drive assembly includes a screw motor installed in the control chamber, a screw nut installed on the screw of the screw motor, a sliding plate installed on the screw nut and slidingly installed in the control chamber, a guide rod installed in the control chamber and parallel to the screw of the screw motor, and a guide sleeve installed on the sliding plate and cooperated with the guide rod, the screw of the screw motor is parallel to the length direction of the control chamber, and the control piston is connected to the sliding plate.

[0014] By adopting the above technical solution, the structure of the drive assembly is disclosed. Through the cooperation of the screw motor and the screw nut, it can ensure that the control piston moves smoothly and accurately during the sampling process, thereby achieving precise control of the movement of the control piston.

[0015] Optionally, a plurality of weight blocks are threadedly mounted on the outer wall of the sampling housing.

[0016] By adopting the above technical solution, the weight block is threadedly mounted on the sampling housing, which helps the sampling device adapt to different water depths and allows the sampling device to be lowered to the required water depth. The threaded mounting of the weight block facilitates the rapid installation and removal of the weight block.

[0017] Optionally, the sampling housing has an annular groove at one end close to the drone body, and the end of the sampling cable is equipped with a mounting clip that matches the annular groove.

[0018] By adopting the above technical solution, the annular groove and the mounting clamp are matched to connect the sampling shell to the sampling cable, which helps to ensure the connection strength between the sampling shell and the sampling cable and ensure the normal progress of the seawater collection process.

[0019] Optionally, the UAV host is provided with an installation slot, and a positioning slot is provided on the bottom surface of the installation slot; the mounting frame has an installation slider that is slidably installed in the installation slot, and a plunger hole is provided on the top surface of the installation slider and a ball head spring plunger is provided in the plunger hole. When the UAV body is installed on the mounting frame, the plunger ball head of the ball head spring plunger is clamped in the positioning slot.

[0020] By adopting the above technical solution, the mounting bracket is installed on the UAV host through the sliding cooperation between the mounting slider and the mounting groove, and by providing a positioning groove on the mounting groove and setting a ball head spring plunger on the mounting slider, it helps to limit the mounting bracket installed on the UAV host, improve the stability of the mounting bracket on the UAV host, and ensure the normal operation of the seawater sampling UAV.

[0021] Optionally, three sampling devices are arranged in the mounting frame.

[0022] By adopting the above technical solution and arranging three sampling devices in the mounting frame, it is possible to complete the collection of seawater samples at three different water depths in one operation, which helps to improve the efficiency of seawater sample collection.

[0023] In summary, this application includes at least one of the following beneficial technical effects:

[0024] 1. A marine sampling drone uses a drive motor to drive the pay-out drum, allowing the sampling device to sink into the sea. When the sampling device sinks to the desired depth, the pay-out drum stops rotating, and the sampling device collects seawater samples at that depth. The drive motor drives the pay-out drum, and the sampling cable wound around the pay-out drum cooperates to efficiently collect seawater samples at different depths.

[0025] 2. A vacuum pumping structure is provided in the sampling housing to vacuum the sampling chamber, which helps to input the seawater sample into the sampling chamber;

[0026] 3. The mounting bracket and the drone body are detachably mounted by cooperating with the mounting groove on the mounting bracket and the positioning groove located in the mounting groove, the plunger hole on the drone body, and the ball head spring plunger in the plunger hole. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Schematic diagram of the ocean sampling drone in Example 1.

[0028] Figure 2 Schematic diagram of the coordination between the mounting frame and the drone body in this embodiment.

[0029] Figure 3 Schematic diagram of the cooperation between the ball spring plunger and the positioning groove in this embodiment.

[0030] Figure 4 Schematic diagram of the coordination between the sampling device and the mounting frame in this embodiment.

[0031] Figure 5 Schematic diagram of the sampling mechanism in this embodiment.

[0032] Figure 6 Schematic cross-section of the sampling mechanism in this embodiment.

[0033] Figure 7 yes Figure 6 A local enlarged schematic diagram of point A in the middle.

[0034] Figure 8 yes Figure 6 A partial enlarged schematic diagram of point B in the middle.

[0035] Figure 9 Schematic diagram of the ocean sampling drone in Example 2.

[0036] Explanation of Reference Numerals: 1. UAV body; 11. Arrangement groove; 111. Mounting slide; 1111. Plunger hole; 1112. Ball spring plunger; 12. Mounting bracket; 121. Mounting slide groove; 1211. Positioning groove; 13. Mounting plate; 2. Sampling device; 21. Pay-off drum; 22. Sampling cable; 221. Mounting clasp; 23. Driving motor; 24. Sampling mechanism; 241. Sampling housing; 2411. Control chamber; 2412. Sampling chamber; 2413. Sampling channel; 242. Installing end cover; 2421. Installing part; 2422. Water through hole; 243. Sampling port; 244. Air extraction port; 245. Air extraction valve; 246. Annular groove; 25. Control piston; 251. Installing annular groove; 26. Drive assembly; 261. Screw motor; 262. Screw nut; 263. Sliding plate; 264. Guide rod; 265. Guide sleeve; 266. Installing connecting rod; 27. Sealing ring; 3. Weight block. DETAILED DESCRIPTION

[0037] The following is combined with Figure 1-9 This application is described in further detail.

[0038] The embodiment of the present application discloses an ocean sampling drone.

[0039] Example 1

[0040] Reference Figure 1 A marine sampling drone includes a drone body 1 and a sampling device 2 mounted on the drone body 1. The drone body 1 is an unmanned vessel. The bottom of the drone body 1 has a slot 11 extending from front to back. A mounting bracket 12 for the sampling device 2 is located within the slot 11 and is removably mounted on the top surface of the slot 11.

[0041] Reference Figure 2 and Figure 3 The top of the mounting bracket 12 is provided with a mounting groove 121 along the length direction, and the bottom surface of the mounting groove 121 is provided with a positioning groove 1211. There are two mounting grooves 121. The top surface of the arrangement groove 11 has a mounting slider 111 that is slidably installed in the mounting groove 121. The top surface of the mounting slider 111 is provided with a plunger hole 1111 and a ball spring plunger 1112 is provided in the plunger hole 1111. When the mounting bracket 12 is installed in the arrangement groove 11 of the drone body 1, the plunger ball head of the ball spring plunger 1112 is clamped in the positioning groove 1211, thereby enabling the mounting bracket 12 to be quickly installed and disassembled from the drone body 1. The mounting groove 121 is a T-shaped groove, and the mounting slider 111 is a T-shaped slider.

[0042] Reference Figure 1 and Figure 4 Three sampling devices 2 are arranged in the mounting frame 12 at intervals along the length of the mounting frame 12. The sampling devices 2 include a pay-off drum 21 rotatably mounted on the mounting frame 12, a sampling cable 22 wound around the pay-off drum 21, a drive motor 23 that drives the pay-off drum 21, and a sampling mechanism 24 connected to the sampling cable 22 for obtaining seawater samples.

[0043] Reference Figure 5 and Figure 6 The sampling mechanism 24 includes a sampling housing 241 and a mounting end cap 242 mounted on the sampling housing 241. The sampling housing 241 includes a control chamber 2411, a sampling chamber 2412, and a sampling channel 2413 for connecting the control chamber 2411 and the sampling chamber 2412. The control chamber 2411 is formed with a sampling port 243 on the sampling housing 241, and the mounting end cap 242 is mounted on the sampling port 243. The mounting end cap 242 has a mounting portion 2421 that is inserted into the control chamber 2411. The mounting end cap 242 also has water through-holes 2422 extending through both ends.

[0044] Reference Figure 6 and Figure 7 A control piston 25 and a drive assembly 26 for moving the control piston 25 are arranged in a sealed, sliding manner within the control chamber 2411. The outer diameter of the control piston 25 is larger than the inner diameter of the water-passing hole 2422. The control piston 25 also has two parallel mounting grooves 251, each containing a sealing ring 27 for sealing engagement with the control chamber 2411. Driven by the drive assembly 26, the control piston 25 has a first and second position. When in the first position, the sampling port 243 communicates with the sampling chamber 2412, allowing seawater samples to be introduced into the sampling chamber 2412. When in the second position, the control piston 25 covers the end of the sampling channel 2413, with the two sealing rings 27 located on either side of the end of the sampling channel 2413, isolating the sampling port 243 from the sampling chamber 2412 and preventing seawater samples from entering the sampling chamber 2412.

[0045] Reference Figure 6 and Figure 8The drive assembly 26 includes a screw motor 261 mounted within the control chamber 2411, a screw nut 262 mounted on the screw of the screw motor 261, a sliding plate 263 mounted on the screw nut 262 and slidably mounted within the control chamber 2411, a guide rod 264 mounted within the control chamber 2411 and parallel to the screw of the screw motor 261, and a guide sleeve 265 mounted on the sliding plate 263 and mating with the guide rod 264. The screw of the screw motor 261 is parallel to the length of the control chamber 2411, and there are two guide rods 264. Two mounting connecting rods 266 are symmetrically provided at the end of the sliding plate 263 facing the sampling port 243. The control piston 25 is connected to the end of the mounting connecting rods 266 facing away from the sliding plate 263. In this embodiment, the control cable that controls the rotation of the screw motor 261 is arranged within the sampling cable 22 and connected to the screw motor 261.

[0046] Reference Figure 6 The sampling housing 241 is further provided with a vacuum pumping structure at the sampling chamber 2412 . The vacuum pumping structure includes an air extraction port 244 opened in the sampling chamber 2412 and penetrating the inner and outer cavities of the sampling chamber 2412 , and an air extraction valve 245 arranged at the air extraction port 244 .

[0047] Reference Figure 4 and Figure 5 Multiple weight blocks 3 are threadedly mounted on the outer wall of the sampling housing 241 to facilitate the sinking of the sampling device 2 in the ocean. An annular groove 246 is formed at one end of the sampling housing 241. A mounting ring 221 is connected to the end of the sampling cable 22. The mounting ring 221 engages the annular groove 246 on the sampling housing 241, creating a detachable connection between the sampling cable 22 and the sampling housing 241.

[0048] Combine Figures 1 to 8 The operating principle of a marine sampling drone in this embodiment is as follows: During the seawater sample collection process, the operator controls the boat-type drone to sail to the sea surface. The drive motor 23 drives the pay-out drum 21 to rotate, thereby paying out the sampling cable 22 wound on the pay-out drum 21. The weight block 3 drives the sampling device 2 to sink. When the sampling device 2 reaches the desired water depth, the pay-out drum 21 stops rotating. The drive assembly 26 in the control chamber 2411 drives the control piston 25 to the first position, thereby inputting the seawater sample into the sampling chamber 2412. When the drive assembly 26 then drives the control piston 25 to the second position, sampling is completed. The drive motor 23 drives the pay-out drum 21 to rotate, and the sampling device 2 rises, completing the seawater sample collection process. During this process, the pay-out drum 21 and the sampling cable 22 wound on the pay-out drum 21 cooperate to achieve efficient collection of seawater samples at different water depths.

[0049] Example 2

[0050] The ocean sampling drone in this embodiment is different from the ocean sampling device 2 in Example 1 in that the rest of the structure is consistent with that of the ocean sampling device 2 in Example 1.

[0051] The drone body 1 in this embodiment is an unmanned aerial vehicle. Figure 9 The drone body 1 includes a body, a mounting plate 13 is provided at the bottom of the body, the mounting plate 13 has a mounting slider 111, the mounting groove 121 on the mounting frame 12 cooperates with the mounting slider 111 on the mounting plate 13 to realize a detachable connection between the mounting plate 13 and the mounting frame 12.

[0052] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A marine sampling drone, characterized in that: The invention comprises an unmanned aerial vehicle (UAV) body (1) and a sampling device (2) mounted on the UAV body (1); the UAV body (1) is provided with a mounting frame (12) for arranging the sampling device (2); the sampling device (2) comprises a pay-off drum (21) rotatably mounted on the mounting frame (12), a sampling cable (22) wound around the pay-off drum (21), a driving motor (23) for driving the pay-off drum (21) to rotate, and a sampling mechanism (24) connected to the sampling cable (22) and used for obtaining seawater samples.

2. The marine sampling drone according to claim 1, characterized in that: The sampling mechanism (24) comprises a sampling housing (241); the sampling housing (241) comprises a control chamber (2411), a sampling chamber (2412), and a sampling channel (2413) for connecting the control chamber (2411) and the sampling chamber (2412); the control chamber (2411) is provided with a sampling port (243) at the sampling housing (241); a control piston (25) and a drive assembly (26) for driving the control piston (25) to move are arranged in a sealed and sliding manner in the control chamber (2411); The control piston (25) has a first position and a second position after being driven by the drive assembly (26); when the control piston (25) is in the first position, the sampling port (243) is connected to the sampling chamber (2412); when the control piston (25) is in the second position, the sampling port (243) and the sampling chamber (2412) are separated by the control piston (25); when the control piston (25) is in the second position, the control piston (25) covers the port of the sampling channel (2413).

3. The marine sampling drone according to claim 2, characterized in that: The sampling mechanism (24) further comprises a mounting end cover (242) mounted at the sampling port (243); the mounting end cover (242) comprises a mounting portion (2421) inserted into the control chamber (2411); the mounting end cover (242) further comprises water through holes (2422) extending through both ends; the inner diameter of the water through hole (2422) is smaller than the outer diameter of the control piston (25).

4. The marine sampling drone according to claim 2, characterized in that: The sampling housing (241) is further provided with a vacuum pumping structure, which comprises an air pumping port (244) opened in the sampling housing (241) and an air pumping valve (245) arranged at the air pumping port (244).

5. The marine sampling drone according to claim 2, characterized in that: The drive assembly (26) includes a screw motor (261) installed in the control chamber (2411), a screw nut (262) installed at the screw of the screw motor (261), a sliding plate (263) installed on the screw nut (262) and slidingly installed in the control chamber (2411), a guide rod (264) installed in the control chamber (2411) and parallel to the screw of the screw motor (261), and a guide sleeve (265) installed on the sliding plate (263) and matched with the guide rod (264), the screw of the screw motor (261) is parallel to the length direction of the control chamber (2411), and the control piston (25) is connected to the sliding plate (263).

6. The ocean sampling drone according to claim 2, characterized in that: A plurality of weight-increasing blocks (3) are threadedly mounted on the outer wall of the sampling housing (241).

7. The marine sampling drone according to claim 2, characterized in that: The sampling housing (241) has an annular groove (246) at one end close to the drone body (1), and the end of the sampling cable (22) is provided with a mounting clamp (221) that matches the annular groove (246).

8. The ocean sampling drone according to claim 1, characterized in that: The mounting frame (12) is provided with a mounting slot (121), and a positioning slot (1211) is provided on the bottom surface of the mounting slot (121); the UAV body (1) has a mounting slider (111) that is slidably mounted in the mounting slot (121), and a plunger hole (1111) is provided on the top surface of the mounting slider (111), and a ball head spring plunger (1112) is provided in the plunger hole (1111); when the mounting frame (12) is mounted on the UAV body (1), the plunger ball head of the ball head spring plunger (1112) is clamped in the positioning slot (1211).

9. The marine sampling drone according to claim 8, characterized in that: Three sampling devices (2) are arranged in the mounting frame (12).

Images