Airborne automatic water injection device of unmanned aerial vehicle

Through the automatic water injection device on the drone, the motor-driven transmission gear and push rod system are used to achieve automatic alignment and insertion of the water injection nozzle, solving the problems of low efficiency and splashing of manual operation, and improving water injection efficiency and resource utilization.

CN223457153UActive Publication Date: 2025-10-21SHANGHAI JINGLU NAVIGATION TECH CO LTD
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Patent Information

Application Number
CN202422848278.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-10-21
Estimated Expiration
2034-11-21

AI Technical Summary

Technical Problem

Existing drone pesticide water injection mainly relies on manual operation, which is inefficient and labor-intensive. In addition, it is difficult to accurately align the water injection nozzle with the water injection port of the pesticide box, resulting in splashing and waste of water resources.

Method used

An automatic water injection device for drones is designed. Water is automatically injected into the pesticide storage tank through the water injection mechanism. The motor drives the transmission gear and push rod system to achieve automatic alignment and insertion of the water injection nozzle. Precise control is achieved by combining the displacement detection bracket and sensor.

Benefits of technology

It improves water injection efficiency, reduces labor intensity, avoids splashing problems caused by manual operation, and ensures efficient use of water resources.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses an unmanned aerial vehicle airborne automatic water injection device which comprises an unmanned aerial vehicle body and a water injection mechanism. A pesticide box is installed at the bottom of the unmanned aerial vehicle body, a water injection opening is formed in the pesticide box, and a one-way valve is installed on the water injection opening; the water injection mechanism comprises a mounting base, a motor is mounted on the mounting base, a transmission gear is fixedly connected to an output shaft of the motor, a push hole is formed in the side wall of the bottom end of the mounting base, a push rod is inserted into the push hole, the two ends of the push rod are fixedly connected with a fixing plate and a push plate respectively, and a water injection nozzle is mounted on the push plate. The unmanned aerial vehicle pesticide water injection device can automatically complete unmanned aerial vehicle pesticide water injection work, is high in efficiency and small in labor intensity, the whole water injection work does not need manual operation, the water injection nozzle can be automatically aligned with the water injection opening, and water resource waste caused by splashing during water injection due to the technical level problem of operators is effectively avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to unmanned plane water injection technical field, in particular, relate to a kind of unmanned plane airborne automatic water injection device. BACKGROUND

[0002] Unmanned plane pesticide spraying is a kind of efficient, accurate agricultural technology, and has been widely used in agricultural field in recent years.Compared with traditional manual pesticide spraying mode, unmanned plane pesticide spraying has the advantages of efficient operation, accurate spraying, good safety, strong adaptability, high intelligent degree and the like.

[0003] When pesticide is sprayed by using unmanned plane, water needs to be injected into pesticide liquid storage tank periodically, so as to dilute pesticide stock solution, so that it reaches appropriate concentration, thereby ensuring the safety, effect and economy of spraying operation.Current unmanned plane pesticide water injection work is mainly completed by manual, and this water injection mode is low in efficiency and high in labor intensity, difficult to meet the large quantity unmanned plane pesticide water injection demand, and manual water injection has certain requirement to the technical level of operator, and water injection nozzle is often difficult to accurately aim at water injection port on pesticide tank, thereby causing splashing, and then causing water resource waste.Therefore, in view of the above problems, the utility model provides a kind of unmanned plane airborne automatic water injection device, which has important significance. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of unmanned plane airborne automatic water injection device, water can be automatically injected into the pesticide liquid storage tank of unmanned plane by water injection mechanism, to complete the dilution work of pesticide, compared with traditional manual water injection mode, greatly improve the efficiency, also effectively reduce labor intensity, the whole water injection work does not need manual operation, water injection nozzle can be automatically aimed at water injection port, effectively avoid the splashing caused by the technical level of operator during water injection and cause water resource waste, solve the problems in the background art.

[0005] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a kind of unmanned plane airborne automatic water injection device, including unmanned plane body and water injection mechanism;

[0007] The bottom of the unmanned plane body is provided with pesticide tank, the water injection port is formed in the pesticide tank, and the one-way valve is installed on the water injection port;

[0008] The water injection mechanism comprises a mounting seat, the mounting seat is in L shape, a transmission cavity is formed on the surface of the mounting seat, a motor is installed on the mounting seat, a transmission gear is fixedly connected to the output shaft of the motor, a transmission hole is formed in the bottom of the transmission cavity, a push hole is formed in the bottom end side wall of the mounting seat, the push hole is communicated with the transmission hole, a push rod is inserted into the push hole, a gear rack is formed on the top rod body of the push rod, a fixed plate and a push plate are fixedly connected to the two ends of the push rod respectively, a water injection nozzle is installed on the push plate, and a plurality of displacement detection supports are arranged on one side of the push rod.

[0009] Further, the transmission gear is located in the transmission cavity, the bottom of the transmission gear passes through the transmission hole and extends into the push hole, and the transmission gear is meshed with the gear rack on the top rod body of the push rod.

[0010] Further, the water injection port is in L shape, the inner diameter of the water injection port is equal to the outer diameter of the water injection nozzle, and the center of the water injection port and the water injection nozzle are located on the same straight line.

[0011] Further, a guide hole is formed in the top end side wall of the mounting seat, a guide rod is inserted into the guide hole, the rod diameter of the guide rod is equal to the hole diameter of the guide hole, and the two ends of the guide rod are fixedly connected to the fixed plate and the push plate respectively.

[0012] The utility model discloses relative to prior art includes following beneficial effect:

[0013] (1) a kind of unmanned aerial vehicle airborne automatic water injection device in the utility model during use, water can be automatically injected into unmanned aerial vehicle's pesticide liquid tank by water injection mechanism, to complete the dilution of pesticide, compared with traditional manual water injection mode greatly improves efficiency, while also effectively reduces labor intensity;

[0014] (2) a kind of unmanned aerial vehicle airborne automatic water injection device in the utility model during use, entire water injection work does not need manual operation, water injection nozzle can be automatically aligned with water injection port, effectively avoid the technical level problem of operator and cause water resource waste due to spilling when injecting.

[0015] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be needed to introduce the drawings used in the embodiment, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0017] Fig. 1A three-dimensional structure schematic diagram of the unmanned aerial vehicle airborne automatic water injection device of the utility model;

[0018] Fig. 2 A structure schematic diagram of the mounting seat in the utility model;

[0019] Fig. 3 A structure schematic diagram of the transmission gear and the push rod in the utility model.

[0020] In the drawings, the component list represented by each reference numeral is as follows:

[0021] 1, unmanned aerial vehicle body; 2, pesticide box; 3, water injection port; 4, check valve; 5, mounting seat; 6, transmission cavity; 7, motor; 8, transmission gear; 9, transmission hole; 10, push hole; 11, push rod; 12, fixed plate; 13, push plate; 14, water injection nozzle; 15, displacement detection support; 16, guide hole; 17, guide rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] In the description of the utility model, it should be understood that the terms "relative", "one end", "internal", "transverse", "end", "two ends", "two sides", "front", "one end surface", "the other end surface" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated components or elements must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0024] Please refer to Figs. 1-3 The utility model discloses a kind of unmanned aerial vehicle airborne automatic water injection devices, including unmanned aerial vehicle body 1 and water injection mechanism, unmanned aerial vehicle body 1 can be landed on designated platform, water injection mechanism is installed on the platform where unmanned aerial vehicle body 1 is located;

[0025] The bottom of unmanned aerial vehicle body 1 is provided with pesticide box 2, water injection port 3 is formed in pesticide box 2, check valve 4 is installed on water injection port 3, check valve 4 has the performance of guiding and passing, liquid can be introduced into pesticide box 2 from water injection port 3, but the liquid in pesticide box 2 and water cannot flow out from water injection port 3;

[0026] The water injection mechanism comprises a mounting seat 5 which can be fixed on the platform where the unmanned aerial vehicle body 1 is located through fasteners such as bolts, the mounting seat 5 is L-shaped, a transmission cavity 6 is formed on the surface of the mounting seat 5, a motor 7 is installed on the mounting seat 5, a transmission gear 8 is fixedly connected to the output shaft of the motor 7, a transmission hole 9 is formed in the bottom of the transmission cavity 6, a push hole 10 is formed in the bottom end side wall of the mounting seat 5, the push hole 10 is in communication with the transmission hole 9, a push rod 11 is inserted into the push hole 10, a gear rack is formed on the top rod body of the push rod 11, a fixed plate 12 and a push plate 13 are fixedly connected to the two ends of the push rod 11 respectively, a water injection nozzle 14 is installed on the push plate 13, the water injection nozzle 14 is connected with an external water pipe, when the water injection nozzle 14 is inserted into the water injection port 3, water can be guided into the pesticide box 2 along the water injection port 3 through the external water pipe, so as to dilute the pesticide liquid stored in the pesticide box 2, a plurality of displacement detection supports 15 are arranged on one side of the push rod 11, displacement sensors can be installed on the displacement detection supports 15, the displacement sensors are electrically connected with the motor 7 through control lines, the displacement of the push rod 11 can be monitored in real time through the displacement sensors on the plurality of displacement detection supports 15, so as to control the displacement of the push rod 11 according to needs.

[0027] The transmission gear 8 is located in the transmission cavity 6, the bottom thereof passes through the transmission hole 9 and extends into the push hole 10, and the transmission gear 8 is in meshing engagement with the gear rack on the top rod body of the push rod 11, the transmission gear 8 can be driven to rotate by the driving motor 7, and the push rod 11 can be driven to move along the push hole 10 together with the push plate 13 and the water injection nozzle 14 through the meshing engagement between the transmission gear 8 and the gear rack.

[0028] The water injection port 3 is L-shaped, the inner diameter thereof is equal to the outer diameter of the water injection nozzle 14, and the center of the water injection port 3 and the water injection nozzle 14 are located on the same straight line, when the water injection nozzle 14 moves along the direction of the water injection port 3 until the water injection nozzle 14 contacts the water injection port 3, the water injection nozzle 14 can be inserted into and attached to the inner wall of the water injection port 3, at this time, water can be guided into the pesticide box 2 along the water injection port 3 through the external water pipe, so as to automatically complete the pesticide water injection work, the whole water injection work does not need manual operation, which not only has high efficiency and small labor intensity, but also effectively avoids the problem that the water injection nozzle 14 is difficult to accurately align with the water injection port 3 due to the technical level of the operator, thereby causing spilling, when the water injection is completed, the water injection nozzle 14 can be pulled out of the water injection port 3 by moving the push rod 11 in the reverse direction, until the next water injection work is performed.

[0029] The top end side wall of the mounting seat 5 is provided with a guide hole 16, a guide rod 17 is inserted into the guide hole 16, the rod diameter of the guide rod 17 is equal to the hole diameter of the guide hole 16, and the two ends of the guide rod 17 are fixedly connected to the fixed plate 12 and the push plate 13 respectively, the mutual cooperation between the guide rod 17 and the guide hole 16 can play a limiting role, so as to improve the stability of the push rod 11 during movement, thereby preventing the push rod 11 from shaking and deviating to cause the water injection nozzle 14 to be unable to be accurately inserted into the water injection opening 3.

[0030] The circuit, electronic components and chip modules involved in the utility model are all prior art, and can be realized by those skilled in the art without further description, and the content protected by the utility model does not involve improvement of software and methods.

[0031] The standard parts used in the application file can be purchased from the market, all components in the application file can be ordered according to the description and drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, and the mechanical parts and equipment adopt conventional types in the prior art, the electrical components appearing in the text are electrically connected with the main controller and 220V mains, and the main controller is a conventional known device that can play a control role.

[0032] The working principle of the utility model is:

[0033] In use, the unmanned aerial vehicle body 1 to be watered with pesticide is landed on the specified platform where the water injection mechanism is located, then the driving motor 7 drives the transmission gear 8 to rotate clockwise, the transmission gear 8 rotates clockwise to drive the push rod 11, the push plate 13 and the water injection nozzle 14 to move towards the unmanned aerial vehicle body 1 through the mutual meshing between the rack and the transmission gear 8, the displacement of the push rod 11 is monitored in real time through the displacement sensor on the plurality of displacement detection supports 15, when the push rod 11 is monitored to move to the position of the water injection opening 3, the displacement sensor can control the driving motor 7 to stop rotating, at the same time, the water injection nozzle 14 can be inserted and attached to the inner wall of the water injection opening 3, at this time, water can be introduced into the pesticide box 2 along the water injection opening 3 through the external water pipe, so as to automatically complete the pesticide watering work, the whole water injection work does not need manual operation, which is not only high in efficiency and low in labor intensity, but also effectively avoids the problem that the water injection nozzle 14 is difficult to accurately aim at the water injection opening 3 due to the technical level of the operator, thereby causing spilling, after the water injection is completed, the driving transmission gear 8 rotates counterclockwise, so that the push rod 11 moves away from the unmanned aerial vehicle body 1, so as to pull out the water injection nozzle 14 from the water injection opening 3, until the next water injection work is performed.

[0034] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. An unmanned aerial vehicle (UAV) on-board automatic water injection device, characterized in that, The utility model provides an unmanned aerial vehicle, including unmanned aerial vehicle body (1) and water injection mechanism, The bottom of the unmanned aerial vehicle body (1) is provided with a pesticide box (2), and a water injection opening (3) is formed in the pesticide box (2); a one-way valve (4) is installed on the water injection opening (3); The water injection mechanism comprises a mounting seat (5), the mounting seat (5) is in the shape of L, a transmission cavity (6) is formed in the surface of the mounting seat (5), a motor (7) is installed on the mounting seat (5), a transmission gear (8) is fixedly connected to the output shaft of the motor (7), a transmission hole (9) is formed in the bottom of the transmission cavity (6), a push hole (10) is formed in the bottom end side wall of the mounting seat (5), the push hole (10) is communicated with the transmission hole (9), a push rod (11) is inserted into the push hole (10), a gear rack is formed on the top rod body of the push rod (11), the two ends of the push rod (11) are fixedly connected with a fixed plate (12) and a push plate (13) respectively, a water injection nozzle (14) is installed on the push plate (13), and a plurality of displacement detection supports (15) are arranged on one side of the push rod (11).

2. The unmanned aerial vehicle (UAV) on-board automatic water injection device of claim 1, wherein, The transmission gear (8) is located in the transmission cavity (6), the bottom of the transmission gear (8) penetrates through the transmission hole (9) and extends into the push hole (10), and the transmission gear (8) is meshed with the gear rack on the top rod body of the push rod (11).

3. The unmanned aerial vehicle (UAV) on-board automatic water injection device of claim 1, wherein, The water injection opening (3) is in the shape of L, the inner diameter of the water injection opening (3) is equal to the outer diameter of the water injection nozzle (14), and the centers of the water injection opening (3) and the water injection nozzle (14) are located on the same straight line.

4. The unmanned aerial vehicle (UAV) on-board automatic water injection device of claim 1, wherein, A guide hole (16) is formed in the top end side wall of the mounting seat (5), a guide rod (17) is inserted into the guide hole (16), the rod diameter of the guide rod (17) is equal to the hole diameter of the guide hole (16), and the two ends of the guide rod (17) are fixedly connected with the fixed plate (12) and the push plate (13) respectively.