A waterproof unmanned aerial vehicle

Abstract

The application is a divisional application of the original application with the application number 2021108483611. The application discloses a waterproof unmanned aerial vehicle. The unmanned aerial vehicle comprises a shell and a second sealing partition. A flight control cavity is formed in the shell. The second sealing partition is arranged in the upper shell of the shell and arranged in the horizontal direction. The second sealing partition divides the flight control cavity into an upper sealing cavity and a lower sealing cavity. The upper sealing cavity is provided with an upper opening for mounting components. A detachable cover plate assembly is arranged at the upper opening. The cover plate assembly seals the upper opening. The internal cavity of the unmanned aerial vehicle is divided by the sealing partition. The sealing partition blocks the diffusion of water into the internal cavity of the unmanned aerial vehicle, avoids the problem that water enters one cavity and then enters other cavities, and seals the battery mounting port by the battery sealing cover to prevent water from flowing in from the battery mounting port.

Description

[0001] The present application is a divisional application, the original application's application number is 2021108483611, the application date is July 27, 2021, and the invention patent name is: a waterproof water surface cruise unmanned aerial vehicle. TECHNICAL FIELD

[0002] The present application relates to an unmanned aerial vehicle, in particular to a waterproof unmanned aerial vehicle, and applies to the field of unmanned aerial vehicles. BACKGROUND

[0003] An unmanned aerial vehicle, abbreviated as "UAV", is a pilotless aircraft that is controlled by wireless remote control equipment and self-provided program control device, or is completely or intermittently operated by a vehicle-mounted computer.

[0004] With the development of unmanned aerial vehicle technology, compared with traditional manual inspection, unmanned aerial vehicles have more flexible, safe and efficient advantages in maritime cruise, flood patrol and other work. In the traditional unmanned aerial vehicle cruise process, the internal components of the unmanned aerial vehicle are easily short-circuited by water and cannot cruise when it rains, and when cruising on the water surface, the unmanned aerial vehicle is often wet by spray, which makes the components easily short-circuited by water and cannot cruise, and maintenance is required. At this time, higher requirements are put forward for the waterproofness of the unmanned aerial vehicle to ensure the safety of the unmanned aerial vehicle cruising on the water surface and in the rain, and to ensure the stability of the unmanned aerial vehicle flight. SUMMARY

[0005] In view of the above-mentioned problem that the internal components of the unmanned aerial vehicle in the prior art are easily short-circuited by water when cruising on the water surface and in the rain, the present application provides a waterproof unmanned aerial vehicle, which separates the internal cavity of the unmanned aerial vehicle by using a sealing partition plate, and the sealing partition plate blocks the diffusion of water entering the internal cavity of the unmanned aerial vehicle, avoiding the problem that water enters one cavity and then enters other cavities.

[0006] The technical solution adopted by the present application to solve its technical problem is: a waterproof unmanned aerial vehicle, the unmanned aerial vehicle comprises a shell and a second sealing partition plate, a flight control cavity is formed in the shell, the second sealing partition plate is arranged in the upper shell of the shell and arranged in the horizontal direction, the second sealing partition plate divides the flight control cavity into an upper sealing cavity and a lower sealing cavity, the upper sealing cavity is provided with an upper opening for installing components, and a detachable cover plate assembly is arranged at the upper opening, and the cover plate assembly closes the upper opening.

[0007] Further, the cover plate assembly comprises a sealing cover, an air permeable film and a protective cover, the sealing cover closes the upper opening, the sealing cover is provided with an air permeable hole in the middle, the air permeable film covers the air permeable hole, and the protective cover is arranged above the air permeable film and connected with the sealing cover.

[0008] Further, the sealing cover is provided with protruding pillars which are uniformly distributed on the sealing cover in the circumferential direction and centered on the air permeable hole.

[0009] Further, the shell is provided with a battery support, one side of the shell is provided with a battery mounting opening, the battery is mounted on the battery support through the battery mounting opening, and the shell is externally provided with a battery sealing cover, one side edge of the battery sealing cover is hinged to the shell.

[0010] Further, the battery sealing cover and the battery box are clamped with an anti-loosening pad, and the anti-loosening pad is arranged at the battery mounting opening.

[0011] Further, the shell and the battery sealing cover are provided with a battery sealing ring.

[0012] Further, the protruding pillars and the air permeable grooves form an air permeable space.

[0013] Further, the air permeable groove is a stepped groove with a recessed middle part, and the cross section is trapezoidal.

[0014] Further, the air permeable film and the protective cover leave a space for air.

[0015] Further, the second sealing partition plate and the upper shell are integrally formed.

[0016] The waterproof unmanned aerial vehicle provided by the present application has the advantages that the internal cavity of the unmanned aerial vehicle is divided by the sealing partition plate, the sealing partition plate blocks the diffusion of water entering the internal cavity of the unmanned aerial vehicle, avoids the problem that water enters one cavity and then enters other cavities, the battery mounting opening is sealed by the battery sealing cover, and water is prevented from flowing in from the battery mounting opening. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of a waterproof unmanned aerial vehicle provided by the present application;

[0018] Figure 2 is an exploded state structural schematic diagram of a waterproof unmanned aerial vehicle provided by the present application;

[0019] Figure 3 is another exploded state structural schematic diagram of a waterproof unmanned aerial vehicle provided by the present application;

[0020] Figure 4 is Figure 3 the enlarged view of A of

[0021] Figure 5is a structural schematic view of a waterproof unmanned aerial vehicle motor base provided by the present application;

[0022] Figure 6 is an exploded state structural schematic view of a waterproof unmanned aerial vehicle cover plate assembly provided by the present application;

[0023] Figure 7 is a structural schematic view of a waterproof unmanned aerial vehicle battery box provided by the present application;

[0024] Figure 8 is an exploded state structural schematic view of a waterproof unmanned aerial vehicle antenna assembly provided by the present application.

[0025] Reference signs: 11 - shell, 12 - motor, 13 - rotor;

[0026] 21 - motor base, 22 - sealing ring, 23 - mounting position, 24 - first wire hole, 25 - second wire hole, 26 - mounting groove;

[0027] 31 - base plate, 32 - second sealing partition, 33 - upper shell, 34 - lower shell, 35 - upper opening, 36 - control module;

[0028] 41 - sealing cover, 42 - air permeable film, 43 - protective cover, 44 - air permeable hole, 45 - protruding support, 46 - limiting groove, 47 - air permeable groove;

[0029] 51 - battery, 52 - battery support, 53 - male terminal seat, 54 - battery mounting port, 55 - female terminal seat, 56 - battery sealing cover, 57 - battery box, 58 - female terminal seat mounting port, 59 - anti-loosening pad, 510 - battery sealing ring;

[0030] 61 - waterproof shell, 62 - antenna body, 63 - locking device, 64 - connecting base, 65 - rotating shaft, 66 - internal thread, 67 - external thread. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and effect of the present application more clear and explicit, the present application is further described in detail below with reference to the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application.

[0032] Please refer to Figures 1-8The application provides a waterproof unmanned aerial vehicle, which comprises a shell 11, a motor 12 arranged on the shell 11, a rotor 13 connected to the motor 12, a sealing assembly arranged at the connecting position of the motor 12 and the shell 11, a containing cavity formed in the shell 11, a first sealing partition plate arranged in the containing cavity and used for separating the containing cavity into a motor control cavity and a flight control cavity, and a second sealing partition plate 32 arranged along the horizontal or vertical direction and used for separating the flight control cavity into two or more sealing cavities, wherein the motor control cavity and the flight control cavity are respectively used for mounting components, a battery 51 is arranged in the shell 11 and used for supplying power to the unmanned aerial vehicle, a battery support 52 is arranged on the shell 11, a terminal male seat 53 is arranged on the battery support 52, a battery mounting opening 54 is arranged on one side of the shell 11, the battery 51 is arranged on the battery support 52 through the battery mounting opening 54, a terminal female seat 55 matched with the terminal male seat 53 is arranged on the battery 51, the terminal female seat 55 is electrically connected with the terminal male seat 53, a battery sealing cover 56 is arranged outside the battery mounting opening 54, and one side edge of the battery sealing cover 56 is hinged to the shell 11. The installation position of the motor 12 and the shell 11 of the unmanned aerial vehicle is sealed, so that water cannot flow into the unmanned aerial vehicle through the installation position of the motor 12 and the shell 11, the internal components of the unmanned aerial vehicle are prevented from short circuiting, and the unmanned aerial vehicle cannot fly. The internal space of the shell 11 of the unmanned aerial vehicle is divided into two sealing cavities through the second sealing partition plate 32, two independent compartments are formed, water flowing into one sealing cavity is effectively prevented from flowing into another sealing cavity, and meanwhile, a plurality of baffles can be arranged on the second sealing partition plate 32 to divide the second sealing partition plate 32 into a plurality of smaller sealing cavities for isolation, so that different electronic devices are mounted, water flowing into a single sealing cavity only affects the electronic device in the sealing cavity, the maintenance cost is reduced, and meanwhile, the unmanned aerial vehicle can realize homing after water flows into one sealing cavity. Meanwhile, the first sealing partition plate for water sealing is arranged between the motor control cavity and the flight control cavity, the edge of the first sealing partition plate is fully matched with the shell 11, the matching is water sealing, water can be prevented from passing through the first sealing partition plate, the motor control cavities and the flight control cavities are mutually sealed, the motor control cavities are mutually sealed, water flowing into the unmanned aerial vehicle is blocked from spreading, and the harm of water flowing into the unmanned aerial vehicle is minimized. The first sealing partition plate for water sealing is arranged in each motor control cavity, and the first sealing partition plate can be arranged at the tail of the motor control cavity. The tail of the motor control cavity refers to a part where only the shell 11 exists, the part is close to the control module 36, and the part is connected with the flight control cavity and the motor control cavity.The battery mounting port 54 is further arranged on the shell 11, so that the battery 51 is mounted on the battery support 52 in the shell 11 through the battery mounting port 54, and then the battery mounting port 54 is sealed by the battery sealing cover 56 to fix the battery 51 and prevent water from entering. The battery 51 is provided with a terminal female seat 55 which is clamped and electrically connected with the terminal male seat 53 on the shell 11. When the battery 51 is disassembled, the battery 51 can be directly pulled out, and when the battery 51 is installed, the battery 51 is inserted. The disassembly and assembly of the battery 51 are greatly facilitated, and the maintenance difficulty and maintenance time during maintenance, detection or replacement are reduced.

[0033] In the embodiment, the sealing assembly includes the motor base 21 and the sealing ring 22. The motor 12 is arranged on the motor base 21. The shell 11 is provided with the mounting position 23 matched with the motor base 21. The motor base 21 is provided with the first wire hole 24. The mounting position 23 is provided with the second wire hole 25 corresponding to the first wire hole 24. One end of the wire of the motor 12 extends in the shell 11 through the first wire hole 24 and the second wire hole 25. The second wire hole 25 is provided with the mounting groove 26 matched with the sealing ring 22. The sealing ring 22 is arranged in the mounting groove 26. The motor 12 is connected through the motor base 21. The first wire hole 24 is arranged on the motor base 21. The corresponding second wire hole 25 is arranged on the shell 11. The wire of the motor 12 is connected to the control module 36 in the unmanned aerial vehicle through the two wire holes. The two wire hole structures of the motor base 21 matched with the shell 11 effectively reduce the gap between the motor base 21 and the shell 11, avoid water inflow, and further arrange the sealing ring 22 around the wire hole and the mounting groove 26 for mounting the sealing ring 22 to seal the two wire holes, so that the waterproof effect is better and the waterproof capacity is stronger.

[0034] In the embodiment, the first sealing partition plate comprises a substrate 31 and a sealing glue, and the sealing glue is filled in all gaps between the substrate 31 and the shell 11. The first sealing partition plate can be made in the form of the substrate 31 supplemented by the sealing glue. The sealing glue has the property of resisting seawater corrosion, and can be shaped after drying. The substrate 31 refers to the base plate for making the first sealing partition plate, and can also be understood as the framework of the first sealing partition plate. One of the manufacturing methods of the first sealing partition plate is that the substrate is made of a plate material having the property of resisting water sealing, the substrate is installed at the tail of the motor control cavity, the cross-sectional shape of the substrate is consistent with the cross-sectional shape of the position of the substrate installed on the shell 11, the sealing glue is filled in all gaps between the substrate and the shell 11, and the sealing glue is coated on the joint between the substrate and the shell 11 in all directions, and the sealing glue is coated on the joint between the two sides of the substrate. The second manufacturing method of the first sealing partition plate is that the substrate 31 is arranged on the lower shell 34, the substrate 31 is made of a plate material having the property of resisting water sealing, a filling cavity is formed on the substrate 31, and the sealing glue is filled in the filling cavity. The filling amount of the sealing glue is determined as follows: after the upper shell 33 is installed on the lower shell 34, the sealing glue is shaped after drying, and the substrate 31 forms the first sealing partition plate together. The first sealing partition plate is connected with the upper shell 33 and the lower shell 34, and the first sealing partition plate and the upper shell 33 and the lower shell 34 are water sealed in all directions. In the embodiment, the shell 11 comprises the upper shell 33 and the lower shell 34 which are buckled with each other, the motor 12 is arranged on the upper shell 33, the second sealing partition plate 32 is arranged in the upper shell 33 in the horizontal direction, the second sealing partition plate 32 divides the accommodating cavity into an upper sealing cavity and a lower sealing cavity, the upper sealing cavity is provided with an upper opening 35 for installing components, and the upper opening 35 is provided with a detachable cover plate assembly which seals the upper opening 35. The structure of the two shells buckled with each other facilitates the installation of electronic devices and the maintenance of the unmanned aerial vehicle in the later period. The components are installed on the second sealing partition plate 32, and the edge of the second sealing partition plate 32 and the inner wall of the upper shell 33 are sealed, and the upper opening 35 is sealed by the cover plate assembly. The components refer to the GPS module, the air pressure detection module, the signal lamp module and the like. Due to the sealing structure of the second sealing partition plate 32, when the lower sealing cavity is filled with water, the components in the upper sealing cavity are not affected, and when the upper sealing cavity is filled with water, the water cannot flow into the lower sealing cavity through the second sealing partition plate 32, so as to damage the components in the lower sealing cavity.

[0035] In the embodiment, the lower sealing cavity is provided with a control module 36, the control module 36, the battery 51, the second sealing partition plate 32 and the components are stacked from bottom to top in the shell 11. The stacked arrangement of the control module 36, the battery 51, the second sealing partition plate 32 and the components from bottom to top ensures that the center of the unmanned aerial vehicle is in the middle, avoiding the balance problem, and through the distribution of the cavities, the normal flight can be affected after one cavity is flooded.

[0036] In the embodiment, the cover plate assembly includes a sealing cover 41, a breathable film 42 and a protective cover 43, the sealing cover 41 closes the upper opening 35, the sealing cover 41 is provided with a breathable hole 44 in the middle, the breathable film 42 covers the upper part of the breathable hole 44, and the protective cover 43 is arranged above the breathable film 42 and connected with the sealing cover 41. The sealing cover 41 is provided with a breathable hole 44 in the middle part, the breathable hole 44 plays a role of air permeation and pressure balance, ensuring that the barometer and other devices in the upper cavity can work normally. The breathable film 42 covers the upper part of the breathable hole 44, and has a waterproof function, which blocks water from entering on the basis of not affecting the ventilation of the breathable hole 44, thereby protecting the devices in the shell 11 of the unmanned aerial vehicle from water damage. The protective cover 43 is arranged above the breathable film 42 and connected with the sealing cover 41, protecting the breathable film 42 from external damage.

[0037] In the embodiment, the sealing cover 41 is provided with a protruding pillar 45, the top of the protruding pillar 45 is provided with a limiting groove 46, the protruding pillar 45 is uniformly distributed on the sealing cover 41 around the breathable hole 44, and the protruding pillars 45 are provided with a breathable groove 47 therebetween. Such design is conducive to the adhesion of the protruding pillar 45 and the bottom of the protective cover 43, the protruding pillar 45 is uniformly distributed on the sealing cover 41 around the breathable hole 44, the adjacent protruding pillars 45 are provided with a breathable groove 47 therebetween, the breathable groove 47 is a stepped groove with a recess in the middle, and the cross section is trapezoidal; a certain breathable space is formed through the protruding pillar 45 and the breathable groove 47, so that the breathable film 42 and the protective cover 43 leave a space for ventilation. After the protective cover 43 is arranged on the cover, the breathable film 42 is protected, and the normal ventilation of the breathable hole 44 is not affected, which is conducive to the air entering from the breathable groove 47.

[0038] In the embodiment, the battery 51 is externally provided with a battery box 57, the battery 51 is arranged inside the battery box 57, one side of the battery box 57 is provided with a terminal female seat mounting port 58, the terminal female seat 55 is fixedly arranged on the terminal female seat mounting port 58, the battery sealing cover 56 is clamped between the battery box 57, the battery anti-loosening pad 59 is arranged at the battery mounting port 54, and the battery sealing ring 510 is arranged between the shell 11 and the battery sealing cover 56. The battery box 57 is arranged to strengthen the protection of the outside of the battery 51, reduce the wear of the battery 51 during disassembly, and arrange the terminal female seat 55 on the battery box 57, so that the terminal female seat 55 is clamped and connected with the terminal male seat 53, the normal power supply of the unmanned aerial vehicle is ensured, and the clamping structure formed by the battery box 57 and the battery support 52 can be used to fix the battery 51, reduce the movement of the battery 51 during flight of the unmanned aerial vehicle, and the battery box 57 is externally provided with a clamping groove, the battery support 52 is internally provided with a protrusion matched with the clamping groove, the battery box 57 is fixed on the battery support 52, the battery anti-loosening pad 59 is arranged at the battery mounting port 54, the gap between the battery sealing cover 56 and the battery box 57 is filled, the battery anti-loosening pad 59 is fluffy to fix the battery box 57, prevent the battery box 57 from moving, the battery anti-loosening pad 59 can be sponge, silica gel, pearl wool and the like, and also has the function of water absorption, so that water cannot enter the positive and negative electrodes of the battery 2, and short circuit and the like are avoided. In order to further achieve better waterproof effect, the battery sealing ring 510 is arranged to fill the gap between the shell 11 and the battery sealing cover 56, so as to strengthen the sealing of the shell 11 and the battery sealing cover 56, prevent water from entering the installation position of the battery 51 through the gap, and avoid damage of the battery 51 and the installed components. The battery box 57 can be provided with a pull ring on the surface facing the battery sealing cover 56, so as to avoid that the battery box 57 is too tightly clamped with the battery support 52 and is not easy to be taken out, and the pull ring greatly facilitates the taking out and putting in of the battery box 57.

[0039] In the embodiment, the unmanned aerial vehicle is provided with an antenna assembly, the antenna assembly comprises a waterproof shell 61, an antenna body 62 and a locking device 63, the waterproof shell 61 is a cylindrical shell with a closed top end and a through bottom end, the antenna body 62 is arranged in the waterproof shell 61, the shell 11 is provided with a connecting base 64, the connecting base 64 is provided with a rotating shaft 65, the tail end of the antenna body 62 is rotatably connected with the connecting base 64 through the rotating shaft 65, and the locking device 63 is arranged on the waterproof shell 61. The waterproof shell 61 is arranged outside the antenna body 62 to waterproof and protect the antenna body 62, one end of the antenna body 62 is connected with the rotating shaft 65 to make the antenna body 62 rotate in a circle, the locking device 63 is arranged on the antenna body 62, the orientation of the antenna body 62 is determined, and then the locking device 63 is abutted with the connecting base 64 to lock the position of the antenna body 62, so that the deviation of the orientation of the antenna body 62 is avoided.

[0040] In this embodiment, the locking device 63 is a hollow cylinder with a size matching the waterproof shell 61. The inner wall of the locking device 63 is provided with an internal thread 66. The locking device 63 is sleeved on the end of the waterproof shell 61. The end of the waterproof shell 61 is provided with an external thread 67 matching the internal thread 66. The lower edge of the locking device 63 abuts against the edge of the connecting base 64. The fixation of the antenna body 62 is realized by matching the internal thread 66 of the locking device 63 with the external thread 67 of the waterproof shell 61. The locking device 63 is further provided with vertical lines on the surface, which can increase the friction force between the locking device 63 and the hand when rotating, facilitating the rotation.

[0041] It should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on 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 of the present application.

[0042] It should be understood that the application of the present application is not limited to the above examples, and those skilled in the art can make improvements or changes according to the above description, and all these improvements and changes shall fall within the protection scope of the appended claims of the present application.

Claims

1. A waterproof unmanned aerial vehicle, characterized in that, The UAV includes a shell (11) and a second sealing partition (32). A flight control cavity is formed inside the shell (11). The second sealing partition (32) is disposed in the upper shell (33) of the shell (11) and is arranged in a horizontal direction. The second sealing partition (32) divides the flight control cavity into an upper sealing cavity and a lower sealing cavity. The upper sealing cavity is provided with an upper opening (35) for installing components. A detachable cover plate assembly is provided at the upper opening (35). The cover plate assembly closes the upper opening (35). The cover assembly includes a sealing cap (41), a breathable membrane (42), and a protective cover (43). The sealing cap (41) closes the upper opening (35). The sealing cap (41) has a breathable hole (44) in the middle. The breathable membrane (42) covers the breathable hole (44). The protective cover (43) is located above the breathable membrane (42) and connected to the sealing cap (41). The sealing cap (41) is provided with protruding support pillars (45), which are evenly distributed on the sealing cap (41) around the vent hole (44) in the circumferential direction, and vent grooves (47) are provided between the protruding support pillars (45). The protruding support (45) and the ventilated groove (47) form a ventilated space; A ventilation space is left between the breathable membrane (42) and the protective cover (43); The UAV is equipped with an antenna assembly, which includes a waterproof shell (61), an antenna body (62), and a locking device (63). The waterproof shell (61) is a cylindrical shell that is closed at the top and open at the bottom. The antenna body (62) is disposed inside the waterproof shell (61). A connecting base (64) is provided on the shell (11). The connecting base (64) is provided with a rotating shaft (65). The end of the antenna body (62) is rotatably connected to the connecting base (64) through the rotating shaft (65). The locking device (63) is disposed on the waterproof shell (61). The locking device (63) is a hollow cylindrical shape that matches the size of the waterproof housing (61). The inner wall of the locking device (63) is provided with an internal thread (66). The locking device (63) is fitted onto the end of the waterproof housing (61). The end of the waterproof housing (61) is provided with an external thread (67) that matches the internal thread (66). The lower edge of the locking device (63) abuts against the edge of the connecting base (64).

2. A waterproof drone according to claim 1, characterized in that, The housing (11) contains a battery (51) for powering the drone. The housing (11) has a battery bracket (52) and a battery mounting port (54) on one side. The battery (51) is mounted on the battery bracket (52) through the battery mounting port (54). A battery sealing cover (56) is provided outside the battery mounting port (54). One edge of the battery sealing cover (56) is hinged to the housing (11). A battery box (57) is provided outside the battery (51), and the battery (51) is placed inside the battery box (57).

3. A waterproof drone according to claim 2, characterized in that, An anti-loosening pad (59) is sandwiched between the battery sealing cap (56) and the battery box (57), and the anti-loosening pad (59) is placed at the battery mounting port (54).

4. A waterproof drone according to claim 3, characterized in that, A battery sealing ring (510) is provided between the housing (11) and the battery sealing cover (56).

5. A waterproof drone according to claim 1, characterized in that, The breathable groove (47) is a stepped groove with a central depression and a trapezoidal cross-section.

6. A waterproof drone according to claim 1, characterized in that, The second sealing partition (32) and the upper shell (33) are integrally formed.

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