Water body sampling device of unmanned aerial vehicle

By installing a rappelling device and a limiting structure at the bottom of the drone, combined with a self-locking connector and bottle cap design, the problems of unstable connection and sealing of the drone water sampling device were solved, achieving a highly stable and efficient water sampling effect.

CN223742055UActive Publication Date: 2025-12-30TIANJIN HUANKE HONGNUO ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202423283561.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-30
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing drone water sampling devices lack limiting structures, resulting in unstable connections, easy shaking of the water sampling device, and lack of sealing structures, causing water to spill out, affecting flight stability and efficiency.

Method used

A rappelling device is installed at the bottom of the drone, with a limiting structure and a self-locking connector. The sampling bottle is equipped with a movable cap and a limiting ring, combined with a sealing ring design to ensure connection stability and sealing.

Benefits of technology

This improved the stability and efficiency of the drone water collection process, prevented the water collection device from shaking and spilling, and ensured the accuracy of the water collection volume.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a water body sampling device of an unmanned aerial vehicle, which comprises a cable descending device mounted at the bottom of the unmanned aerial vehicle by carrying a quick-connection bracket, a limiting structure arranged at the bottom of the cable descending device, and a sampling bottle mounted at the end part of a cable of the cable descending device through a self-locking connector, the limiting structure is used for being clamped into the self-locking connector for limiting. The sampling bottle comprises a bottle body with an opening in the upper end, a bottle cap which is arranged in the bottle body, has the diameter smaller than the inner diameter of the bottle body and can move up and down along the bottle body, and a limiting check ring which is connected to the upper end of the bottle body in a sealing manner; and a primary joint and a secondary joint of the self-locking connecting joint are respectively arranged at the end part of a cable of the cable descending device and the center of the upper surface of the bottle cap. According to the water body sampling device of the unmanned aerial vehicle, the self-locking connector can be limited through the limiting structure arranged at the bottom of the rope descending device when the sampling bottle is withdrawn, so that the connection stability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to environmental detection technical field especially relates to a water body sampling device of unmanned plane. BACKGROUND

[0002] Water quality monitoring is the process of monitoring and measuring the types of pollutants in water, the concentrations of various pollutants and their trends, and evaluating water quality. The monitoring range is very wide, including natural water (rivers, lakes, seas and underground water) and various industrial wastewater. The main monitoring items can be divided into two categories: one is the comprehensive index reflecting water quality, such as temperature, color, turbidity, pH value, conductivity, suspended solids, dissolved oxygen, chemical oxygen demand and biochemical oxygen demand, etc. The other is some toxic substances, such as phenol, cyanide, arsenic, lead, chromium, cadmium, mercury and organic pesticides. In order to objectively evaluate the water quality of rivers and oceans, in addition to the above monitoring items, sometimes the flow rate and flow rate need to be measured.

[0003] With the maturity of unmanned aerial vehicle technology, unmanned aerial vehicles are widely used in places where personnel cannot quickly and safely reach for operation, which can accurately locate the sampling area and complete difficult sampling operations. However, although there are many types and quantities of water sampling devices based on unmanned aerial vehicles on the market, there are still many problems, such as the water sampling device without a limiting structure, which leads to unstable connection and easy shaking of the water sampling device, affecting the stability of the water flight. Moreover, the water sampling device does not have a sealing structure, which will cause the water to be splashed out when the unmanned aerial vehicle flies at high altitude, resulting in insufficient water sampling and the need for repeated water sampling. SUMMARY

[0004] Therefore, the utility model provides a water body sampling device of unmanned plane with high stability and high water sampling efficiency.

[0005] The utility model solves the above -mentioned problems through the following technical means:

[0006] The water body sampling device of unmanned plane of the utility model, including through the fast -joint support installation in the unmanned plane bottom's cable -lowering device, be located in the cable -lowering device bottom's limiting structure, through the self -locking connector installation in the cable -lowering device's cable end's sampling bottle, the limiting structure is used for clamping into the self -locking connector limiting;

[0007] The sampling bottle includes an open bottle body, a bottle cap with a diameter smaller than the inner diameter of the bottle body and movable up and down in the bottle body, and a limiting ring sealed to the upper end of the bottle body. The male and female connectors of the self-locking connector are respectively arranged at the cable end of the cable-lowering device and the center of the upper surface of the bottle cap.

[0008] Preferably, the self-locking connecting joint is circular in cross section, and the limiting structure is provided with a groove capable of clamping the self-locking connecting joint.

[0009] Specifically, the lower part of the groove is provided with a flared structure with a large lower part and a small upper part.

[0010] Preferably, the bottle body is provided with a plurality of guide rods for guiding the up-and-down translation of the bottle cap.

[0011] Preferably, the lower end of the guide rod is limited by a limiting block provided at the bottom of the bottle body, and the upper end of the guide rod penetrates the bottle cap and is limited by a limiting block provided at the bottom of the limiting stop ring.

[0012] Preferably, the lower surface of the limiting stop ring and the upper surface of the bottle cap are respectively provided with a first sealing ring and a second sealing ring at corresponding positions.

[0013] Preferably, the guide rod is arranged outside the first sealing ring and the second sealing ring.

[0014] Preferably, the lower surface of the bottle cap is provided with a detachable floating plate.

[0015] According to the above technical solution, the utility model has the following beneficial effects:

[0016] The water body sampling device of the unmanned aerial vehicle is limited by the limiting structure provided at the bottom of the cable dropper when the sampling bottle is retracted, thereby improving the connection stability, preventing the sampling bottle from shaking back and forth during the flight of the unmanned aerial vehicle, and ensuring the stability of the water-carrying flight. The sampling bottle is provided with a bottle cap, the diameter of the bottle cap is smaller than the inner diameter of the bottle body and the bottle cap can move up and down on the bottle body, the bottle cap is subjected to an upward pulling force when the sampling bottle is lifted, the bottle cap is closed with the limiting stop ring, the upward pulling force of the bottle cap disappears after the sampling bottle is lowered into the water, the upper surface of the bottle cap is subjected to a downward water pressure and moves downward, water flows into the bottle body through the gap between the bottle cap and the bottle body, the bottle cap is subjected to an upward buoyancy and moves upward during the rising of the water level in the bottle body, and the bottle cap abuts against the limiting stop ring and closes the upper opening of the bottle body. When the sampling bottle is lifted upward, the bottle cap is subjected to an upward pulling force and is in a closed state with the limiting stop ring. Whether the bottle cap is lifted for flight or retracted for flight, the bottle cap will not be splashed due to the shaking of the bottle body, and the water collection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a schematic view of the installation structure of the water body sampling device of the unmanned aerial vehicle of the utility model;

[0018] Figure 2 Structure schematic view of the water body sampling device of the unmanned aerial vehicle when taking water;

[0019] Figure 3 Structure schematic view of the water body sampling device of the unmanned aerial vehicle when the bottle cap is closed;

[0020] Figure 4 Structure schematic view of the water body sampling device of the unmanned aerial vehicle when the bottle cap is opened to fill water;

[0021] Figure 5 Structure schematic view of the limiting structure of the water body sampling device of the unmanned aerial vehicle.

[0022] As Figures 1-5 Unmanned aerial vehicle-1, fast-connection bracket-2, cable dropper-3, limiting structure-4, self-locking connecting joint-5, sampling bottle-6, bottle body-61, bottle cap-62, limiting stop ring-63, guide rod-64, first sealing ring-65, second sealing ring-66, floating plate-67. DETAILED DESCRIPTION

[0023] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0024] The terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0025] The present application will be described in detail below with reference to the accompanying drawings, such as Figures 1 to 5The water sampling device of the unmanned aerial vehicle 1 described in the embodiment includes a cable lifter 3 installed at the bottom of the unmanned aerial vehicle 1 through a fast-attached bracket 2, a limiting structure 4 arranged at the bottom of the cable lifter 3, and a sampling bottle 6 installed at the cable end of the cable lifter 3 through a self-locking connecting joint 5, and the limiting structure 4 is used for clamping into the self-locking connecting joint 5 for limiting; the sampling bottle 6 includes a bottle body 61 with an open upper end, a bottle cap 62 arranged in the bottle body 61 and having a diameter smaller than the inner diameter of the bottle body 61 and being movable up and down along the bottle body 61, and a limiting stop ring 63 sealingly connected to the upper end of the bottle body 61, and the pin-and-socket joint of the self-locking connecting joint 5 is arranged at the cable end of the cable lifter 3 and the center of the upper surface of the bottle cap 62, respectively.

[0026] The water sampling device of the unmanned aerial vehicle 1 described in the embodiment can limit the self-locking connecting joint 5 when the sampling bottle 6 is retracted through the limiting structure 4 arranged at the bottom of the cable lifter 3, thereby improving the connection stability, so that the sampling bottle 6 does not shake back and forth during the flight of the unmanned aerial vehicle 1, and the stability of the water-carrying flight is ensured; the sampling bottle 6 is also provided with the bottle cap 62, and the diameter of the bottle cap 62 is smaller than the inner diameter of the bottle body 61 and is movable up and down along the bottle body 61; when the sampling bottle 6 is lifted, the bottle cap 62 is subjected to upward tension and is closed with the limiting stop ring 63; after the sampling bottle 6 is lowered into the water, the upward tension of the bottle cap 62 disappears, and the upper surface of the bottle cap 62 is subjected to downward pressure of the water pressure and moves downward, the water flows into the bottle body 61 through the gap between the bottle cap 62 and the bottle body 61, and in the process of the water level rising in the bottle body 61, the bottle cap 62 is subjected to upward buoyancy and moves upward until the bottle cap 62 abuts against the limiting stop ring 63, closing the open upper end of the bottle body 61; at this time, when the sampling bottle 6 is lifted upward, the bottle cap 62 is subjected to upward tension, so that the bottle cap 62 is in a closed state with the limiting stop ring 63; whether the sampling bottle 6 is lifted for flight movement or retracted for flight movement, the water sampling device will not cause the water to be splashed due to the shaking of the bottle body 61, thereby improving the water sampling efficiency.

[0027] In order to facilitate automatic clamping, as a preferred embodiment of the above-mentioned embodiment, the self-locking connecting joint 5 has a circular cross section, and the limiting structure 4 is provided with a groove capable of clamping the self-locking connecting joint 5; the circular fitting structure is subjected to less connection limitation, and manual alignment is not required, so that the use is more simple and convenient; specifically, in order to facilitate the entry of the limiting structure 4, the lower part of the groove is provided with an expanding structure with a large lower part and a small upper part.

[0028] As a preferred embodiment of the above-mentioned embodiment, a plurality of guide rods 64 are arranged in the bottle body 61 for guiding the up-and-down translation of the bottle cap 62. The movement track of the bottle cap 62 is limited by the plurality of guide rods 64, so that the bottle cap 62 can move stably and the structural stability is ensured. Specifically, the lower ends of the guide rods 64 are limited by the limiting blocks arranged at the bottom of the bottle body 61, and the upper ends of the guide rods 64 pass through the bottle cap 62 and are limited by the limiting blocks arranged at the bottom of the limiting ring 63.

[0029] In order to further improve the sealing performance of the sampling bottle 6, as a preferred embodiment of the above-mentioned embodiment, the lower surface of the limiting ring 63 and the upper surface of the bottle cap 62 correspondingly have a first sealing ring 65 and a second sealing ring 66 arranged thereon, respectively, and the plurality of guide rods 64 are arranged outside the first sealing ring 65 and the second sealing ring 66.

[0030] As a preferred embodiment of the above-mentioned embodiment, the lower surface of the bottle cap 62 is provided with a detachable floating plate 67, so that the bottle cap 62 can rise with the rising of the water level in the bottle body 61, and the situation that the bottle cap 62 is suspended in the bottle body 61 due to the balance between the water pressure above and the buoyancy below is avoided, and the situation that the water in the bottle body 61 is reduced due to the overflow of the water above the bottle cap 62 when the sampling bottle 6 is lifted is also avoided.

[0031] Finally, it should be pointed out that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all of them should be covered in the scope of the claims of the present application.

Claims

1. A water sampling device for unmanned aerial vehicles (UAVs), characterized in that: The device comprises a cable descender mounted on the bottom of the unmanned aerial vehicle by a quick connector, a limiting structure arranged at the bottom of the cable descender, and a sampling bottle mounted at the cable end of the cable descender by a self-locking connector, wherein the limiting structure is used for clamping the self-locking connector; The sampling bottle comprises a bottle body with an open upper end, a bottle cap arranged in the bottle body and having a diameter smaller than the inner diameter of the bottle body and being movable up and down along the bottle body, and a limiting ring sealingly connected to the upper end of the bottle body, wherein the pin and box connectors of the self-locking connector are arranged at the cable end of the cable descender and the center of the upper surface of the bottle cap, respectively. 2.The water sampling device of the unmanned aerial vehicle according to claim 1, wherein: The self-locking connector has a circular cross section, and the limiting structure is provided with a groove capable of clamping the self-locking connector.

3. The water sampling device of claim 2, wherein: The lower part of the groove is provided with a flared structure with a large lower part and a small upper part.

4. The water sampling device of claim 1, wherein: A plurality of guide rods are arranged in the bottle body for guiding the bottle cap to move up and down.

5. The water sampling device of claim 4, wherein: The lower ends of the guide rods are limited by limiting blocks arranged at the bottom of the bottle body, and the upper ends of the guide rods pass through the bottle cap and are limited by limiting blocks arranged at the bottom of the limiting ring.

6. The water sampling device of claim 4, wherein: The lower surface of the limiting ring and the upper surface of the bottle cap are respectively provided with a first sealing ring and a second sealing ring at corresponding positions.

7. The water sampling device of claim 6, wherein: The guide rods are arranged outside the first sealing ring and the second sealing ring. 8.The water sampling device of claim 1, wherein: The lower surface of the bottle cap is provided with a detachable floating plate.