Unmanned aerial vehicle water quality monitoring device and unmanned aerial vehicle
By designing components such as connectors, connecting frames, and quick-release heads, the problems of inconvenient sample extraction and increased take-off and landing difficulty in UAV water quality sampling devices have been solved, enabling convenient sample extraction and accurate monitoring.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUIZHOU ZHONGHE AVIATION TECH CO LTD
- Filing Date
- 2025-08-08
- Publication Date
- 2026-05-19
AI Technical Summary
Existing drone-based water quality sampling devices suffer from inconvenient sample extraction and increased difficulty in takeoff and landing.
A water quality monitoring device for unmanned aerial vehicles (UAVs) was designed. It adopts a combination of components such as connectors, connecting frames, quick-release heads, caps, electric telescopic rods, and lifting cylinders to achieve modular and rapid assembly and disassembly. The purity of the samples and the stability of the UAV are ensured through a filter screen and a sealing structure.
This enabled convenient sample retrieval, reduced the difficulty of drone take-off and landing, and improved sample purity and monitoring accuracy.
Smart Images

Figure CN224256947U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of water quality monitoring technology, specifically to a drone-based water quality monitoring device and the drone itself. Background Technology
[0002] Unmanned aerial vehicles (UAVs) are unmanned aircraft controlled by radio remote control equipment and their own program control devices, or operated autonomously by an onboard computer, either completely or intermittently. Unmanned aerial vehicles are also called "drones". UAVs can be divided into military and civilian applications. In the military field, UAVs are divided into reconnaissance aircraft and target drones. In water quality monitoring, UAVs are often used to take samples to help extract water sources.
[0003] According to the search, CN214309692U discloses a device for mounting a water quality sampling module on a drone, including a drone and a sampling device; the drone includes a drone body and multiple arms mounted on the side wall of the drone body; the sampling device includes a mounting plate, clamps, support rods, a water collection tube, a piston, a lifting mechanism, a cover, a water inlet pipe and a one-way valve; multiple clamps are installed on the top of the mounting plate, and each clamp is installed on each arm.
[0004] The aforementioned drone is equipped with a water sampling module. During sampling, the drone is controlled to fly above the sampling point and insert the inlet pipe into the water. The lifting mechanism raises the drone with a piston, drawing water through the inlet pipe into the sampling tube. At the same time, a one-way valve prevents water from flowing out of the sampling tube. After sampling, the drone is controlled to return, and then the cover is opened to pour the water out of the sampling tube for testing. There is no need for staff to go to the sampling point to collect samples, making sampling convenient. However, during use, the sampling tube is fixedly positioned below the drone. Although it can collect water samples, it is inconvenient for personnel to remove the water samples afterward. In addition, the inlet pipe being located at the bottom of the sampling tube increases the difficulty of drone take-off and landing.
[0005] Therefore, it is of great importance to design a drone-based water quality monitoring device and drone to address the aforementioned shortcomings. Utility Model Content
[0006] To address the shortcomings of existing technologies, this utility model designs a drone-based water quality monitoring device and a drone. This device aims to solve the technical problems of inconvenient sample extraction and increased take-off and landing difficulty under existing technologies.
[0007] To achieve the above objectives, this utility model provides the following technical solution:
[0008] A drone-based water quality monitoring device includes a drone body. Connectors are fixedly installed at both ends of the bottom of the drone body. A connecting frame is fixedly installed between two sets of connectors. The front and rear ends of the top of the connecting frame are fixedly connected to the connectors via quick-release heads. A cover is fixedly installed at the bottom of the connecting frame. Support frames are fixedly connected to both ends of the cover. An electric telescopic rod is fixedly installed at the top of the cover. A lifting cylinder is fixedly installed below the electric telescopic rod. A sampling cylinder is threadedly connected to the inside of the lifting cylinder.
[0009] As a preferred embodiment of this utility model, the left and right ends of the top of the two sets of connectors are fixedly connected to the main body of the drone by fixing screws, and the bottom of the two sets of connectors and the outer side of the quick-release head are provided with docking grooves.
[0010] As a preferred embodiment of this utility model, the quick-release head has fixed posts slidably connected to both the left and right ends, and operating handles are fixedly connected to the opposite sides of the two sets of fixed posts. The two sets of operating handles are inserted into the connector, and a spring is installed inside the quick-release head between the two sets of operating handles.
[0011] As a preferred embodiment of this utility model, a protective plate is fixedly connected to the outer side of the quick-release head and between the two sets of operating handles, and the interior of both sets of operating handles is slidably connected to the protective plate through through grooves.
[0012] As a preferred embodiment of this utility model, a sealing edge is fixedly connected to the bottom edge of the cover, and a rubber sealing ring is embedded on the inner side of the sealing edge.
[0013] As a preferred embodiment of this utility model, the bottom of the cover is fixedly connected to multiple sets of stabilizing rods, and the multiple sets of stabilizing rods are slidably connected to the lifting cylinder through movable grooves, and the bottom of the multiple sets of movable grooves are provided with exhaust holes.
[0014] As a preferred embodiment of this utility model, the top end of the inside of the lifting cylinder is fixedly connected to the output end of the electric telescopic rod through a connecting plate, and filter screens are fixedly connected to the top end of the inside of the lifting cylinder and on both the left and right sides of the connecting plate.
[0015] As a preferred embodiment of this utility model, two sets of rotating blocks are fixedly connected to the bottom of the outer side of the sampling cylinder.
[0016] This utility model also provides a drone, including any one of the above-described drone water quality monitoring devices.
[0017] Compared with the prior art, the beneficial effects of this utility model are:
[0018] 1. In this utility model, through the cooperative design of the connector, connecting frame and quick-release head, when assembling the connecting frame with the drone body, two sets of connectors are symmetrically fixed to the front and rear ends of the bottom of the drone body with fixing screws, ensuring that the docking groove is facing down. The quick-release head on the top of the connecting frame is aligned with the docking groove at the bottom of the connector, so that the operating handle is aligned with the center of the docking groove. The two sets of operating handles of the same quick-release head are pinched, the spring is compressed and the fixing post is retracted into the interior of the quick-release head. After the quick-release head and the connector are connected, the operating handle is released and the spring automatically rebounds, and the fixing post is inserted into the interior of the connector to complete the mechanical locking. The connecting frame realizes modular quick assembly and disassembly through the quick-release head, which makes it easy to remove the device from the drone body, thereby improving the convenience of maintenance.
[0019] 2. In this utility model, through the coordinated design of the cap, support frame, electric telescopic rod, lifting cylinder, and sampling cylinder, when sampling water quality, the electric telescopic rod is first controlled to retract, causing the lifting cylinder to rise until the top of the lifting cylinder inserts into the inner side of the sealing edge. Then, the main body of the drone flies to the target water area and hovers. The electric telescopic rod extends and pushes the lifting cylinder down until the lifting cylinder is submerged in the water for sampling. The sampled water enters the sampling cylinder from the top opening of the lifting cylinder. During the sampling process, the water flow first impacts the water-facing surface of the filter screen, and large particles of impurities are intercepted on the outside of the filter screen. After filtration, the water flows into the internal storage of the sampling cylinder, thus ensuring the purity of the sample and further ensuring the accuracy of subsequent monitoring. Then, the lifting cylinder is raised again, and the sealing edge and rubber sealing ring prevent the sample from leaking or becoming contaminated during the flight of the drone. After sampling, the main body of the drone is controlled to land at the recovery location and is stably supported by the support frame. Then, the sampling cylinder can be rotated by the rotating block to remove the sample from the inside of the lifting cylinder, thus facilitating sample removal and solving the problems of inconvenient sample removal and increased take-off and landing difficulty in existing methods. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the connecting frame structure of this utility model;
[0022] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0023] Figure 4 This is a schematic diagram of the internal structure of the quick-release head of this utility model;
[0024] Figure 5 for Figure 4 Enlarged view at point B in the middle;
[0025] Figure 6 This is a schematic diagram of the internal structure of the lifting cylinder of this utility model.
[0026] In the diagram: 1. UAV body; 2. Connector; 201. Fixing screw; 202. Docking groove; 3. Connecting frame; 4. Quick release head; 401. Fixing post; 402. Operating handle; 403. Spring; 404. Protective plate; 405. Through groove; 5. Cover; 501. Sealing edge; 502. Rubber sealing ring; 503. Stabilizing rod; 504. Movable groove; 505. Vent hole; 6. Support frame; 7. Electric telescopic rod; 8. Lifting cylinder; 801. Connecting plate; 802. Filter screen; 9. Sampling cylinder; 901. Rotating block. Detailed Implementation
[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0028] Example: Please refer to Figures 1-6 This utility model provides a technical solution:
[0029] A drone water quality monitoring device includes a drone body 1. Connectors 2 are fixedly installed at both ends of the bottom of the drone body 1. A connecting frame 3 is fixedly installed between the two sets of connectors 2. The front and rear ends of the top of the connecting frame 3 are fixedly connected to the connectors 2 through quick-release heads 4. A cover 5 is fixedly installed at the bottom of the connecting frame 3. Support frames 6 are fixedly connected to both ends of the cover 5. An electric telescopic rod 7 is fixedly installed at the top of the cover 5. A lifting cylinder 8 is fixedly installed below the electric telescopic rod 7. A sampling cylinder 9 is threadedly connected inside the lifting cylinder 8.
[0030] First, the top left and right ends of the two sets of connectors 2 are fixedly connected to the drone body 1 by fixing screws 201. The bottom of the two sets of connectors 2 and the outside of the quick-release head 4 are provided with docking grooves 202. The connectors 2 are rigidly connected to the drone body 1 by fixing screws 201. The quick-release head 4 is docked with the connectors 2 through the docking grooves 202.
[0031] Furthermore, both the left and right ends of the quick-release head 4 are slidably connected to fixing posts 401. Each of the two sets of fixing posts 401 has an operating handle 402 fixedly connected to its opposite side. Both sets of operating handles 402 are inserted into the connector 2. A spring 403 is installed inside the quick-release head 4 between the two sets of operating handles 402. When assembling the connecting frame 3 with the drone body 1, the two sets of connectors 2 are symmetrically fixed to the front and rear ends of the bottom of the drone body 1 using fixing screws 201, ensuring that the docking slots 202 face downwards. The quick-release head 4 on the top of the connecting frame 3 is then... Align the docking groove 202 at the bottom of the connector 2, align the operating handle 402 with the center of the docking groove 202, pinch the two sets of operating handles 402 of the same quick-release head 4, the spring 403 is compressed and the fixing post 401 is retracted into the interior of the quick-release head 4, and after the quick-release head 4 is connected to the connector 2, release the operating handle 402 and the spring 403 automatically rebounds, the fixing post 401 is inserted into the interior of the connector 2 to complete the mechanical locking, the connecting frame 3 achieves modular quick disassembly and assembly through the quick-release head 4, which makes it easy to remove the device from the main body of the UAV 1, thereby improving the convenience of maintenance.
[0032] Then, a protective plate 404 is fixedly connected to the outside of the quick-release head 4 and between the two sets of operating handles 402. The inside of the two sets of operating handles 402 is slidably connected to the protective plate 404 through the through groove 405. While the operating handles 402 can slide normally through the through groove 405, they form external protection to prevent accidental damage to the inside of the quick-release head 4.
[0033] Furthermore, a sealing edge 501 is fixedly connected to the bottom edge of the cap 5, and a rubber sealing ring 502 is embedded on the inner side of the sealing edge 501. When sampling water quality, the electric telescopic rod 7 is first controlled to retract, causing the lifting cylinder 8 to rise until the top of the lifting cylinder 8 is inserted into the inner side of the sealing edge 501. Then, the drone body 1 flies to the target water area and hovers. The electric telescopic rod 7 extends and pushes the lifting cylinder 8 down until the lifting cylinder 8 is submerged in the water for sampling. The sampled water enters the sampling cylinder 9 from the top opening of the lifting cylinder 8. Then, the lifting cylinder 8 is raised again. The sealing edge 501 and the rubber sealing ring 502 prevent water leakage or contamination of the sample during the flight of the drone body 1, thereby ensuring the accuracy of subsequent monitoring.
[0034] The bottom of the cover 5 is fixedly connected with multiple sets of stabilizing rods 503. The multiple sets of stabilizing rods 503 are slidably connected to the lifting cylinder 8 through the movable groove 504. The bottom of the multiple sets of movable grooves 504 are provided with exhaust holes 505. When the lifting cylinder 8 moves up and down, the stabilizing rods 503 move linearly within the movable grooves 504, thereby ensuring the stability of the movement of the lifting cylinder 8. When the lifting cylinder 8 is raised, the stabilizing rods 503 are inserted into the interior of the movable grooves 504, and air is discharged through the exhaust holes 505 to avoid air pressure obstruction.
[0035] Secondly, the top of the inside of the lifting cylinder 8 is fixedly connected to the output end of the electric telescopic rod 7 via a connecting plate 801. Filter screens 802 are fixedly connected to the top of the inside of the lifting cylinder 8 on both the left and right sides of the connecting plate 801. With the connection of the connecting plate 801, the electric telescopic rod 7 can drive the lifting cylinder 8 to move up and down. The two filter screens 802 are symmetrically welded to the left and right sides of the connecting plate 801 to form a water pretreatment area. During the sampling process, the water flow first impacts the water-facing surface of the filter screen 802, and large particles of impurities are intercepted on the outside of the filter screen 802. After filtration, the water flow enters the internal storage of the sampling cylinder 9, thereby ensuring the purity of the sample and further ensuring the accuracy of subsequent monitoring. After sampling, the electric telescopic rod 7 retracts again. At the same time, when the lifting cylinder 8 is in the water, moving it up and down can remove the adhering substances on the filter screen 802 by impacting the reverse water flow.
[0036] Finally, two sets of rotating blocks 901 are fixedly connected to the bottom of the outer side of the sampling tube 9. After sampling, the main body of the UAV 1 is controlled to land at the recovery location and is stably supported by the support frame 6. Then, the sampling tube 9 can be rotated by the rotating blocks 901 to take it out from the inside of the lifting cylinder 8, thus making it convenient to take out the sample and solving the problems of inconvenient sample removal and increased take-off and landing difficulty in the existing system.
[0037] This utility model also provides a drone, including a drone water quality monitoring device.
[0038] In this embodiment, the specific implementation scenario is as follows: When assembling the connecting frame 3 and the drone body 1, two sets of connectors 2 are symmetrically fixed to the front and rear ends of the bottom of the drone body 1 with fixing screws 201, ensuring that the docking groove 202 faces downward. The quick-release head 4 on the top of the connecting frame 3 is aligned with the docking groove 202 at the bottom of the connector 2, so that the operating handle 402 is aligned with the center of the docking groove 202. The two sets of operating handles 402 of the same quick-release head 4 are pinched, the spring 403 is compressed and the fixing post 401 is retracted into the interior of the quick-release head 4. After the quick-release head 4 is connected to the connector 2, the operating handle 402 is released and the spring 403 automatically rebounds. The fixing post 401 is inserted into the interior of the connector 2 to complete the mechanical locking. The connecting frame 3 achieves modular quick assembly and disassembly through the quick-release head 4. When sampling water quality, the electric telescopic rod 7 is first controlled to retract so that the lifting cylinder 8 rises until the top of the lifting cylinder 8 is inserted into the inner side of the sealing edge 501. Then, the drone body 1 flies to the target water area and hovers. 7. Extend and push the lifting cylinder 8 downward until it is submerged in water for sampling. The sampling water enters the sampling cylinder 9 from the top opening of the lifting cylinder 8. During sampling, the water flow first impacts the water-facing surface of the filter screen 802, and large particles of impurities are intercepted on the outside of the filter screen 802. After filtration, the water flows into the internal storage of the sampling cylinder 9. Then, the lifting cylinder 8 is raised again. The sealing edge 501 and the rubber sealing ring 502 prevent the sample from leaking or becoming contaminated during the flight of the drone body 1. After sampling, the drone body 1 is controlled to land at the recovery location and is stably supported by the support frame 6. Then, the sampling cylinder 9 can be rotated by the rotating block 901 to remove the sample from the inside of the lifting cylinder 8, thus facilitating sample removal. The entire operation process is simple and convenient. This utility model solves the problems of inconvenient sample removal and increased take-off and landing difficulty in existing designs, realizes modular quick disassembly and assembly, improves maintenance convenience, and ensures sample purity and the accuracy of subsequent monitoring.
[0039] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An unmanned aerial vehicle water quality monitoring device comprising an unmanned aerial vehicle body (1), characterized in that: The bottom of the main body (1) of the UAV is fixedly installed with connectors (2) at both the left and right ends. A connecting frame (3) is fixedly installed between the two sets of connectors (2). The front and rear ends of the top of the connecting frame (3) are fixedly connected to the connectors (2) through quick-release heads (4). A cover (5) is fixedly installed at the bottom of the connecting frame (3). A support frame (6) is fixedly connected at both the left and right ends of the cover (5). An electric telescopic rod (7) is fixedly installed at the top of the cover (5). A lifting cylinder (8) is fixedly installed below the electric telescopic rod (7). A sampling cylinder (9) is threadedly connected inside the lifting cylinder (8). 2.The water quality monitoring device of claim 1, wherein: Both ends of the top of the two sets of connectors (2) are fixedly connected to the main body of the UAV (1) by fixing screws (201), and both sets of connectors (2) have docking grooves (202) at the bottom and on the outside of the quick-release head (4). 3.The water quality monitoring device of claim 1, wherein: The quick-release head (4) has fixed posts (401) slidably connected to both the left and right ends inside. Each of the two sets of fixed posts (401) has an operating handle (402) fixedly connected to the opposite side. Both sets of operating handles (402) are inserted into the connector (2). A spring (403) is installed inside the quick-release head (4) and between the two sets of operating handles (402). 4.The water quality monitoring device of claim 3, wherein: A protective plate (404) is fixedly connected to the outside of the quick-release head (4) and between the two sets of operating handles (402). The interiors of the two sets of operating handles (402) are slidably connected to the protective plate (404) through through grooves (405). 5.The water quality monitoring device of claim 1, wherein: A sealing edge (501) is fixedly connected to the bottom edge of the cover (5), and a rubber sealing ring (502) is embedded on the inner side of the sealing edge (501). 6.The water quality monitoring device of claim 1, wherein: The bottom of the cover (5) is fixedly connected to multiple sets of stabilizing rods (503). The multiple sets of stabilizing rods (503) are slidably connected to the lifting cylinder (8) through the movable groove (504). The bottom end of the multiple sets of movable grooves (504) is provided with an exhaust hole (505). 7.The water quality monitoring device of claim 1, wherein: The top of the inside of the lifting cylinder (8) is fixedly connected to the output end of the electric telescopic rod (7) through the connecting plate (801). Filter screens (802) are fixedly connected to the top of the inside of the lifting cylinder (8) and on both the left and right sides of the connecting plate (801). 8.The water quality monitoring device of claim 1, wherein: Two sets of rotating blocks (901) are fixedly connected to the bottom of the outer side of the sampling tube (9).
9. A drone, characterized in that This includes a drone water quality monitoring device as described in any one of claims 1-8.