Unmanned aerial vehicle airborne water level detection rocker device
By using a capacitive liquid level sensor detection joystick device on the outside of the drone's water tank, the problems of time-consuming, labor-intensive, and heavy loads associated with traditional detection methods are solved, achieving efficient and accurate water level detection and extending the drone's endurance.
Patent Information
- Application Number
- CN202422848151.4
- 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
Traditional drone-based water level detection methods are time-consuming, labor-intensive, and prone to errors. Furthermore, existing equipment is difficult to install, increases the drone's weight, and reduces its endurance.
A capacitive liquid level sensor is used to detect the water level outside the water tank through a detection component. The detection rocker device enables efficient and accurate water level detection, reducing the need for equipment to be installed on the water tank, saving space and reducing the weight of the drone.
It improves the efficiency and accuracy of water level detection, saves water tank space, reduces the weight of drones, and thus extends their flight endurance.
Smart Images

Figure CN223457121U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to unmanned aerial vehicle water level detection technical field, especially, relate to a kind of unmanned aerial vehicle on-board water level detection rocker device. BACKGROUND
[0002] Unmanned aerial vehicle carries water, a kind of water body transport technology using unmanned aerial vehicle, applicable to agricultural irrigation, emergency water supply, fire fighting and ecological restoration etc. When carrying out water task, water tank can be installed on unmanned aerial vehicle first, then according to task setting path, water body is put again after unmanned aerial vehicle reaches specified area accurately.
[0003] Before unmanned aerial vehicle carries water task, the water level in water tank needs to be detected. The traditional water level detection method is artificial naked eye observation, this detection method is time-consuming and laborious, error is big, and the material quality of some unmanned aerial vehicle water tank is not transparent, it is difficult to observe the water level in water tank from outside directly. There are some water level detection equipment on the market currently, which can accurately detect water level, but most of them need to install detection equipment on water tank, and the space on water tank is often limited, it is difficult to install detection equipment, and the overall weight of unmanned aerial vehicle is increased after installing detection equipment, so that the load of unmanned aerial vehicle is increased, thereby the endurance of unmanned aerial vehicle is reduced. Therefore, in view of the above problems, the utility model provides a kind of unmanned aerial vehicle on-board water level detection rocker device, which has important significance. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of unmanned aerial vehicle on-board water level detection rocker device, and the water level in unmanned aerial vehicle water tank can be detected by the detection component with the aid of capacitive liquid level sensor, and the detection efficiency is high, error is small, time and labor are saved;Water level detection work can be completed outside water tank by detection component, without installing detection equipment on water tank, not only save the space of water tank, but also reduce the load of unmanned aerial vehicle, thereby prolong the endurance of unmanned aerial vehicle, and the problems in the background art are solved.
[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0006] The utility model discloses a kind of unmanned aerial vehicle on-board water level detection rocker device, including unmanned aerial vehicle and detection seat, the bottom of the unmanned aerial vehicle is equipped with water tank, the detection seat is Z-shaped, its front end face is equipped with transmission cavity, and the side wall of the detection seat is respectively equipped with transmission hole and rotation hole, the bottom of the transmission cavity is equipped with meshing hole, the meshing hole is communicated with transmission hole, the top of the detection seat is equipped with screw hole, the screw hole is communicated with rotation hole, and the screw hole is screw threadedly connected with the screw rod matched therewith, detection component is arranged on the detection seat;
[0007] The detection assembly comprises a motor, a transmission rod and a rotating rod, the motor is installed at the front end surface of the detection seat, a transmission gear is fixedly connected to the output shaft of the motor, the transmission rod and the rotating rod are respectively located in a transmission hole and a rotating hole, a gear rack is engraved on the top rod body of the transmission rod, two ends of the transmission rod are respectively fixedly connected with a connecting plate and a transmission plate, two ends of the rotating rod are respectively installed on the connecting plate and the transmission plate through bearings, and a detection rocker is fixedly connected to one end of the rotating rod close to the transmission plate, the detection rocker is L-shaped, and a sensor mounting plate is fixedly connected to the end of the detection rocker.
[0008] Further, the transmission gear is located in a transmission cavity, the bottom end of the transmission gear extends into the transmission hole through the meshing hole, and the transmission gear is engaged with the gear rack of the top rod body of the transmission rod.
[0009] Further, a rotating groove is formed in the top rod body of the rotating rod, the rotating groove is located directly below the threaded hole, the groove width of the rotating groove is equal to the hole diameter of the threaded hole, and one end of the rotating groove close to the connecting plate is inclined downward.
[0010] Further, the transmission hole and the rotating hole are respectively located at the bottom end and the top end of the detection seat, and the hole diameters of the transmission hole and the rotating hole are respectively equal to the rod diameters of the transmission rod and the rotating rod.
[0011] Compared with the prior art, the utility model has the following beneficial effects:
[0012] (1) The unmanned aerial vehicle airborne water level detection rocker device in the utility model is used, the water level in the water tank of the unmanned aerial vehicle can be detected by the detection assembly with the help of the capacitive liquid level sensor, the detection efficiency is high, the error is small, time and labor are saved, and the unmanned aerial vehicle is lightened.
[0013] (2) The unmanned aerial vehicle airborne water level detection rocker device in the utility model is used, the water level detection work can be completed outside the water tank through the detection assembly, the detection equipment does not need to be installed on the water tank, not only the space of the water tank is saved, but also the weight of the unmanned aerial vehicle is reduced, thereby the endurance of the unmanned aerial vehicle is prolonged.
[0014] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and 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.
[0016] Figure 1A structure schematic view of a unmanned aerial vehicle airborne water level detection rocker arm device of the utility model;
[0017] Figure 2 A structure schematic view of a detection seat of the utility model;
[0018] Figure 3 A structure schematic view of a detection assembly of the utility model;
[0019] Figure 4 A structure schematic view of a rotating rod of the utility model.
[0020] In the drawings, the components represented by each reference numeral are listed as follows:
[0021] 1, unmanned aerial vehicle; 2, detection seat; 3, water tank; 4, transmission cavity; 5, transmission hole; 6, rotating hole; 7, meshing hole; 8, threaded hole; 9, screw rod; 10, motor; 11, transmission rod; 12, rotating rod; 13, transmission gear; 14, connecting plate; 15, transmission plate; 16, detection rocker arm; 17, sensor mounting plate; 18, rotating groove. 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 of 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 are only for the convenience of describing the utility model and simplifying the description, and do 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 Figures 1-4The utility model discloses a kind of unmanned aerial vehicle airborne water level detection rocker devices shown, including unmanned aerial vehicle 1 and detection seat 2, unmanned aerial vehicle 1 can be docked on specified platform, detection seat 2 is fixedly installed on the platform where unmanned aerial vehicle 1 is, the bottom of unmanned aerial vehicle 1 is equipped with water tank 3, detection seat 2 is Z-shaped, its front end surface is provided with transmission cavity 4, and the side wall of detection seat 2 is provided with transmission hole 5 and rotating hole 6 respectively, the bottom of transmission cavity 4 is provided with meshing hole 7, meshing hole 7 is communicated with transmission hole 5, the top of detection seat 2 is provided with threaded hole 8, threaded hole 8 is communicated with rotating hole 6, and threaded hole 8 is screw-threadedly connected with the screw rod 9 matched therewith in, detection seat 2 is provided with detection assembly;
[0025] Detection assembly includes motor 10, transmission rod 11 and rotating rod 12, motor 10 is installed at the front end surface of detection seat 2, its output shaft is fixedly connected with transmission gear 13, transmission rod 11 and rotating rod 12 are located in transmission hole 5 and rotating hole 6 respectively, the top of transmission rod 11 is marked with rack, and the both ends of transmission rod 11 are fixedly connected with connecting plate 14 and transmission plate 15 respectively, the both ends of rotating rod 12 are installed on connecting plate 14 and transmission plate 15 through bearing respectively, and the end close to transmission plate 15 of rotating rod 12 is fixedly connected with detection rocker 16, detection rocker 16 is L-shaped, and the end of detection rocker 16 is fixedly connected with sensor mounting plate 17, sensor mounting plate 17 is used to install liquid level sensor, liquid level sensor can select the capacitive liquid level sensor of type C2010NO that can be directly purchased on market, when water in water tank 3 rises, the space occupied by water increases, at this time, the dielectric constant between electrode increases, thereby leading to the increase of capacitance value, at this time, the liquid level height in water tank 3 can be calculated through the change of capacitance value by this capacitive liquid level sensor, the whole detection process can be completed outside water tank 3, without needing to install detection equipment on water tank 3, not only save the space of water tank 3, but also reduce the weight of unmanned aerial vehicle 1, thereby prolonging the endurance of unmanned aerial vehicle 1.
[0026] Among them, transmission gear 13 is located in transmission cavity 4, its bottom end passes through meshing hole 7 and extends to transmission hole 5, and transmission gear 13 is engaged with the rack of the top of transmission rod 11, by driving motor 10, transmission gear 13 can be rotated, when transmission gear 13 rotates, transmission rod 11 can be driven along with the whole detection assembly to move left and right along transmission hole 5 through the mutual engagement between transmission gear 13 and rack, when detection rocker 16 moves to the vicinity of water tank 3 at the bottom of unmanned aerial vehicle 1, the water level in water tank 3 can be detected through the capacitive liquid level sensor installed on the end sensor mounting plate 17 of detection rocker 16.
[0027] The top rod body of the rotating lever 12 is provided with a rotating groove 18, the rotating groove 18 is located directly below the threaded hole 8, the groove width of the rotating groove 18 is equal to the hole diameter of the threaded hole 8, and the end of the rotating groove 18 close to the connecting plate 14 is inclined downward, the screw rod 9 can be inserted into the groove bottom of the rotating groove 18 and abut against the groove wall of the rotating groove 18 after being screwed into the threaded hole 8, when the detection assembly moves towards the water tank 3 at the bottom of the unmanned aerial vehicle 1, the rotating groove 18 at the top of the rotating lever 12 moves towards the water tank 3 together with the rotating lever 12, and the screw rod 9 is stationary in the threaded hole 8, when the screw rod 9 contacts the groove wall of the rotating groove 18 close to the connecting plate 14 due to the movement of the rotating lever 12, the screw rod 9 can extrude the inclined surface of the groove wall of the rotating groove 18 and apply a pushing force, so as to push the rotating lever 12 to deflect the detection rocker 16, at this time, the sensor mounting plate 17 at the end of the detection rocker 16 can rotate from the original horizontal position to the vertical position and be parallel to the side surface of the water tank 3, so that the capacitive liquid level sensor mounted on the sensor mounting plate 17 can face the water tank 3, so as to improve the accuracy of the water level detection result, when the detection is completed, the transmission assembly is reversely moved, and the detection rocker 16 returns to the initial horizontal position again, until the next water level detection work is performed.
[0028] The transmission hole 5 and the rotating hole 6 are located at the bottom end and the top end of the detection seat 2 respectively, and the hole diameters of the transmission hole 5 and the rotating hole 6 are equal to the rod diameters of the transmission rod 11 and the rotating lever 12 respectively, the transmission rod 11 and the rotating lever 12 can abut against the inner walls of the transmission hole 5 and the rotating hole 6, so as to play a limiting effect, thereby effectively preventing the transmission rod 11 and the rotating lever 12 from shaking and tilting when moving.
[0029] 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.
[0030] The standard parts used in the application file can be purchased from the market, all the 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.
[0031] The working principle of the utility model is:
[0032] When the present invention is in use, the drone 1 to be tested for water level can be parked on a designated platform, and then the motor 10 is driven to drive the transmission gear 13 to rotate clockwise. When the transmission gear 13 rotates clockwise, the transmission rod 11 can be driven together with the entire detection assembly to move toward the direction of the water tank 3 at the bottom of the drone 1 through the mutual engagement between the gear rack and the transmission rod 11. At this time, the rotating groove 18 at the top of the rotating rod 12 will move toward the direction of the water tank 3 along with the rotating rod 12, while the screw 9 is fixed in the threaded hole 8 and remains stationary. When the screw 9 contacts the groove wall of the rotating groove 18 near one end of the connecting plate 14 as the rotating rod 12 moves, since the rotating groove 18 is tilted downward, the screw 9 will squeeze the inclined surface of the groove wall of the rotating groove 18 and apply thrust, thereby pushing the rotating rod 12 to bring it into contact with the water tank 3. The dynamic detection rocker 16 is deflected. At this time, the sensor mounting plate 17 at the end of the detection rocker 16 will rotate from the original horizontal position to the vertical position and be parallel to the side of the water tank 3, so that the capacitive liquid level sensor installed on the sensor mounting plate 17 can face the water tank 3. At this time, the water level in the water tank 3 is detected by the capacitive liquid level sensor installed on the sensor mounting plate 17. The entire detection process can be completed outside the water tank 3 without installing the detection equipment on the water tank 3. It not only saves space in the water tank 3, but also reduces the weight of the drone 1, thereby extending the endurance of the drone 1. When the detection is completed, the transmission assembly is moved in the opposite direction, and the detection rocker 16 returns to its initial horizontal position until the next water level detection work is carried out.
[0033] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims
1. A water level detection rocker device for drones, characterized in that: The invention comprises an unmanned aerial vehicle (1) and a detection seat (2), wherein a water tank (3) is installed at the bottom of the unmanned aerial vehicle (1), the detection seat (2) is Z-shaped, and a transmission cavity (4) is provided on its front end surface, and a transmission hole (5) and a rotation hole (6) are respectively provided on the side walls of the detection seat (2), an engagement hole (7) is provided at the bottom of the transmission cavity (4), and the engagement hole (7) is connected to the transmission hole (5), a threaded hole (8) is provided at the top of the detection seat (2), and the threaded hole (8) is connected to the rotation hole (6), and a screw (9) matched with the threaded hole (8) is connected to the threaded hole (8), and a detection component is provided on the detection seat (2); The detection assembly comprises a motor (10), a transmission rod (11) and a rotating rod (12). The motor (10) is mounted on the front end surface of the detection seat (2), and a transmission gear (13) is fixedly connected to the output shaft thereof. The transmission rod (11) and the rotating rod (12) are respectively located in the transmission hole (5) and the rotating hole (6). The top rod body of the transmission rod (11) is engraved with a rack, and the two ends of the transmission rod (11) are respectively fixedly connected to a connecting plate (14) and a transmission plate (15). The two ends of the rotating rod (12) are respectively mounted on the connecting plate (14) and the transmission plate (15) through bearings, and the end of the rotating rod (12) close to the transmission plate (15) is fixedly connected to a detection rocker (16), the detection rocker (16) is L-shaped, and the end of the detection rocker (16) is fixedly connected to a sensor mounting plate (17).
2. The unmanned aerial vehicle (UAV) on-board water level detection rocker device of claim 1, wherein, The transmission gear (13) is located in the transmission cavity (4), and its bottom end passes through the meshing hole (7) and extends into the transmission hole (5), and the transmission gear (13) meshes with the rack on the top rod body of the transmission rod (11).
3. The unmanned aerial vehicle (UAV) on-board water level detection rocker device of claim 1, wherein, The top rod of the rotating rod (12) is provided with a rotating groove (18), which is located directly below the threaded hole (8). The groove width is equal to the hole diameter of the threaded hole (8), and the rotating groove (18) is inclined downward near one end of the connecting plate (14).
4. The unmanned aerial vehicle (UAV) on-board water level detection rocker device of claim 1, wherein, The transmission hole (5) and the rotating hole (6) are respectively located at the bottom and top of the detection seat (2), and the apertures of the transmission hole (5) and the rotating hole (6) are respectively equal to the rod diameters of the transmission rod (11) and the rotating rod (12).