CN114096466A

CN114096466A - Unmanned aerial vehicle

Info

Publication number: CN114096466A
Application number: CN202080030443.9A
Authority: CN
Inventors: 林晓龙; 高诗经
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2022-02-25
Also published as: WO2021217545A1

Abstract

An unmanned aerial vehicle comprises a mechanism part, wherein the mechanism part is used for bearing an electronic device of the unmanned aerial vehicle, the mechanism part is provided with an accommodating cavity (10) for accommodating the electronic device, a partition (20) is arranged in the accommodating cavity (10), and the accommodating cavity (10) is at least divided into a heat dissipation cavity (13) and an electronic cavity (14) for accommodating the electronic device by the partition (20); the water inlet (11) and the water outlet (12) are formed in the accommodating cavity (10) to form a drainage channel, the partition (20) forms at least part of the inner wall of the drainage channel, heat generated by the electronic device can be conducted to the heat dissipation cavity (13) through the partition (20), and moisture in the heat dissipation cavity (13) can be discharged out of the mechanism part along the drainage channel. Through setting up separator (20) and separating into heat dissipation chamber (13) and electron chamber (14) with holding chamber (10), the heat that the electron device produced can be conducted to heat dissipation chamber (13) through separator (20), through drainage channel with the moisture in heat dissipation chamber (13) discharge unmanned vehicles. The design requirements of dust prevention and water prevention are met under the condition that the heat dissipation requirement of the unmanned aerial vehicle is met, and the design freedom degree is favorably expanded.

Description

Unmanned aerial vehicle

Technical Field

The embodiment of the invention relates to the technical field of aircrafts, in particular to an unmanned aerial vehicle.

Background

The unmanned aerial vehicle is called unmanned aerial vehicle for short, and is an unmanned aerial vehicle operated by using a radio remote control device and a self-contained program control device.

Be provided with a large amount of devices that generate heat in the unmanned vehicles, need in time to derive the heat that the device that generates heat distributed. The heat dissipation module guides the heat accumulated in the unmanned aerial vehicle out of the unmanned aerial vehicle from the bottom, and the problem that the unmanned aerial vehicle cannot work normally due to heat accumulation is avoided.

In the correlation technique, unmanned vehicles's heat dissipation module sets up in the bottom of casing to avoid heat dissipation module to intake, restricted unmanned vehicles ' design's degree of freedom like this, make the inside spatial layout of unmanned aerial vehicle restricted.

Disclosure of Invention

It is a primary object of embodiments of the present invention to overcome at least one of the above-mentioned deficiencies of the prior art and to provide an unmanned aerial vehicle.

In order to achieve the purpose of the embodiment of the invention, the embodiment of the invention adopts the following technical scheme:

the invention provides an unmanned aerial vehicle, which comprises a mechanism part for bearing electronic devices of the unmanned aerial vehicle and is characterized in that,

the mechanism part is provided with an accommodating cavity for accommodating the electronic device, and an isolating piece is arranged in the accommodating cavity and divides the accommodating cavity into at least a heat dissipation cavity and an electronic cavity for accommodating the electronic device;

the holding chamber is provided with a water inlet and a water outlet to form a drainage channel, the partition member forms at least part of the inner wall of the drainage channel, heat generated by the electronic device can be conducted to the heat dissipation chamber through the partition member, and moisture in the heat dissipation chamber can be discharged from the drainage channel to the mechanism part.

Based on the above, the embodiment of the invention has the positive effects that the partition is arranged in the accommodating cavity, the accommodating cavity is at least divided into the heat dissipation cavity and the electronic cavity accommodating the electronic device by the partition, the accommodating cavity is provided with the water inlet and the water outlet to form the drainage channel, the partition forms at least part of the inner wall of the drainage channel, and the heat generated by the electronic device can be transmitted to the heat dissipation cavity through the partition. Therefore, moisture in the heat dissipation cavity can be discharged out of the unmanned aerial vehicle along the drainage channel, the dustproof and waterproof design requirements are met under the condition that the heat dissipation requirements of the unmanned aerial vehicle are met, and the design freedom degree is favorably expanded.

Drawings

The above and other features and advantages of the embodiments of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

FIG. 1 is an exploded view of a mechanism according to an embodiment of the present invention;

FIG. 2 is another perspective exploded view of the mechanism components according to the embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a mechanism component provided by an embodiment of the present invention;

FIG. 4 is a schematic view, partially in section, of a mechanism component provided in an embodiment of the invention;

fig. 5 is a schematic structural diagram of an unmanned aerial vehicle according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first" and "second" in the description of the present invention are used merely for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance, or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The unmanned aerial vehicle is called unmanned aerial vehicle for short, and is an unmanned aerial vehicle operated by using a radio remote control device and a self-contained program control device. A large number of heating devices are arranged in the existing unmanned aerial vehicle, heat accumulated in the unmanned aerial vehicle is guided out to the outside of the unmanned aerial vehicle through the heat dissipation module, and the problem that the unmanned aerial vehicle cannot work normally due to heat accumulation is avoided. The heat dissipation module is arranged at the bottom of the unmanned aerial vehicle to prevent the unmanned aerial vehicle from entering water in the flying process and prevent the heat dissipation module from accumulating water to influence the heat dissipation effect. Some unmanned vehicles have cancelled the heat dissipation module in order to satisfy self design requirement, and this kind of mode makes equipment power restricted, and the equipment that calorific capacity is big can't be selected for use, has sacrificed unmanned vehicles ' performance, can't promote equipment performance to higher level in the same level product. Some unmanned vehicles force heat dissipation module setting at unmanned vehicles's top or side, and the waterproof dustproof grade of unmanned vehicles of this kind of design is lower, unable waterproof design requirement, has just so restricted the service environment of equipment, can't use under weather such as rain, and then has restricted the market that equipment used. Therefore, most unmanned aerial vehicles can only set the heat dissipation module at the bottom to avoid the heat dissipation module from water entering, so that the degree of freedom of design of the unmanned aerial vehicles is limited, and the space layout inside the unmanned aerial vehicles is limited.

In view of this, the present disclosure provides an unmanned aerial vehicle, in which a partition is disposed to divide an accommodating chamber into at least a heat dissipation chamber and an electronic chamber accommodating an electronic device, the accommodating chamber is provided with a water inlet and a water outlet to form a drainage channel, the partition forms at least a part of an inner wall of the drainage channel, heat generated by the electronic device can be conducted to the heat dissipation chamber through the partition, and moisture in the heat dissipation chamber can be discharged from the unmanned aerial vehicle along the drainage channel. Thereby enabling the mechanism components to be placed on top of the unmanned aerial vehicle without sacrificing the level of water resistance and operational performance of the unmanned aerial vehicle.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The features of the embodiments and examples described below may be combined with each other without conflict between the embodiments.

Example one

FIG. 1 is an exploded view of a mechanism according to an embodiment of the present invention; FIG. 2 is another perspective exploded view of the mechanism components according to the embodiment of the present invention; FIG. 3 is a schematic cross-sectional view of a mechanism component provided by an embodiment of the present invention; FIG. 4 is a schematic view, partially in section, of a mechanism component provided in an embodiment of the invention; fig. 5 is a schematic structural diagram of an unmanned aerial vehicle according to an embodiment of the present invention.

Referring to fig. 1 to 3, the present embodiment provides an unmanned aerial vehicle, where the unmanned aerial vehicle includes a mechanism component, the mechanism component is used to carry an electronic device (not shown) of the unmanned aerial vehicle, the mechanism component may be, for example, a battery compartment or a central body on the unmanned aerial vehicle, the mechanism component is provided with a receiving cavity 10 for receiving the electronic device, a partition 20 is provided in the receiving cavity 10, and the partition 20 divides the receiving cavity 10 into at least a heat dissipation cavity 13 and an electronic cavity 14 for receiving the electronic device.

The accommodating cavity 10 is provided with a water inlet 11 and a water outlet 12 to form a drainage channel, the partition 20 forms at least part of the inner wall of the drainage channel, heat generated by the electronic device can be conducted to the heat dissipation cavity 13 through the partition 20, and moisture in the heat dissipation cavity 13 can be discharged out of the mechanism part along the drainage channel.

In the present embodiment, the mechanism component of the unmanned aerial vehicle includes a housing, the housing is used for protecting and carrying the electronic devices of the unmanned aerial vehicle, a housing cavity 10 is formed inside the housing, and a partition 20 is arranged in the housing cavity 10. The spacer 20 is schematically in the shape of a linear plate, an L-shaped plate, or the like. The edge of the spacer 20 is connected with the inner wall of the housing, the spacer 20 and the housing enclose to form the heat dissipation cavity 13 and the electronic cavity 14, and the shapes of the heat dissipation cavity 13 and the electronic cavity 14 are not limited. The housing forming the accommodating chamber 10 is provided with a water inlet 11 and a water outlet 12, so that the accommodating chamber 10 forms a drainage channel, and a part of the inner wall of the drainage channel is formed by the partition 20, that is, the inner wall of the housing and the partition 20 form a part of the inner wall of the drainage channel. The spacer 20 is thermally conductive to the electronic devices in the electronic cavity 14, that is, the spacer 20 is provided with a heat conducting element (not shown) having a high thermal conductivity, and a heat dissipating copper tube or a heat dissipating copper bar may be used. One end of the heat conducting element is in contact with a heat generating portion of the electronic device, and the other end of the heat conducting element is disposed in the heat dissipation chamber 13, so that heat generated by the electronic device can be conducted to the heat dissipation chamber 13 through the spacer 20. And a water outlet 12 is arranged at the bottom of the heat dissipation cavity 13, so that water entering the heat dissipation cavity 13 can be discharged out of the mechanism part through the water outlet 12.

In order to make the drainage effect better, the water outlet 12 is arranged at the lowest point of the heat dissipation cavity 13, when the heat dissipation cavity 13 has a plurality of lowest points, the position without the electronic cavity 14 below can be selected to be provided with the water outlet 12, and the position without the electronic cavity 14 below the lowest point of the heat dissipation cavity 13 is provided with the electronic cavity 14, so that the water entering the heat dissipation cavity 13 can be directly discharged out of the mechanism part through the water outlet 12. When the heat dissipation cavity 13 and the electronic cavity 14 are in a vertically overlapped state, that is, the electronic cavity 14 is arranged below the lowest point of the heat dissipation cavity 13, the water outlet 12 is arranged at the bottom of the electronic cavity 14, that is, the water outlet 12 is arranged at the bottom of the shell forming the electronic cavity 14.

Establish outlet 21 in the bottom of heat dissipation chamber 13, outlet 21 and delivery port 12 intercommunication, water is outside via delivery port 12 discharge mechanism part to can set up the separator 20 that possesses the heat dissipation function on unmanned vehicles, and do not sacrifice unmanned vehicles's waterproof grade and working property, and then satisfy unmanned vehicles heat dissipation requirement and satisfy dustproof and waterproof's design requirement again, the favorable degree of freedom that has expanded the design.

Referring to fig. 3, further, the heat dissipation cavity 13 and the electronic cavity 14 are located on opposite sides of the spacer 20. Taking fig. 3 as an example, the heat dissipation cavity 13 is located above the spacer 20, and the electronic cavity 14 is located below the spacer 20. Illustratively, the spacer 20 has a substantially plate shape with two surfaces facing away from each other, one surface of the spacer 20 forming a part of the inner wall of the accommodating chamber 10, and the other surface of the spacer 20 forming a part of the inner wall of the electronic chamber 14. It should be noted that the state of the spacer 20 is not limited in this example, and the spacer 20 may be horizontally disposed such that the heat dissipation cavity 13 and the electronic cavity 14 are disposed in an up-down stacked manner; or form a certain included angle with the horizontal plane, so that the heat dissipation cavity 13 and the electronic cavity 14 are arranged in a left-right parallel mode.

Further, the unmanned aerial vehicle further comprises a drainage member 30, and the drainage member 30 is provided with a drainage channel. The separator 20 is provided with a water outlet 21, one end of the drainage channel is communicated with the water outlet 21, the other end of the drainage channel is communicated with the water outlet 12, and the drainage member 30 is used for guiding the moisture in the heat dissipation cavity 13 to be discharged out of the mechanism part through the water outlet 21, the drainage channel and the water outlet 12.

Illustratively, the partition 20 is disposed substantially horizontally, the heat dissipation cavity 13 and the electronic cavity 14 are stacked up and down, the heat dissipation cavity 13 is above the electronic cavity 14, and the bottom of the heat dissipation cavity 13 is opened with a water outlet 21, that is, disposed on the partition 20. The drainage piece 30 is connected between the water outlet 21 and the water outlet 12, a drainage channel is formed on the drainage piece 30, and two ends of the drainage channel are respectively connected with the water outlet 21 and the water outlet 12, so that water in the water outlet 21 can be guided to the water outlet 12 and then discharged out of the mechanism part through the water outlet 12.

Referring to fig. 1 to 3, further, the drainage member 30 includes a first drainage member 31 and a second drainage member 32, the first drainage member 31 extends downward from an edge of the drainage opening 21, the first drainage member 31 is communicated with the drainage opening 21, the second drainage member 32 extends upward from an edge of the water outlet 12, the second drainage member 32 is communicated with the water outlet 12, and the first drainage member 31 and the second drainage member 32 are butted to form an inner wall of the drainage channel.

Illustratively, the drainage member 30 includes a first drainage part 31 and a second drainage part 32, the first drainage part 31 and the second drainage part 32 can adopt a pipe structure, one end of the first drainage part 31 is connected with the drainage port 21, the drainage port 21 is communicated with the pipeline of the first drainage part 31, and the other end of the first drainage part 31 is connected with the second drainage part 32. One end of the second water discharging component 32 is connected with the first water discharging component 31, the other end of the second water discharging component 32 is connected with the water outlet 12, and the water outlet 12 is communicated with the pipeline of the second water discharging component 32. The drainage passage is composed of the pipe of the first drain part 31 and the pipe of the second drain part 32. The first and second

water discharging parts

31 and 32 may be joined by gluing or clipping. Drainage channel that first drainage part 31 and second drainage part 32 formed, stable in structure, first drainage part 31 and second drainage part 32 butt joint are convenient, the assembly of being convenient for.

Further, the outer diameter of the first drain member 31 is smaller than the inner diameter of the second drain member 32, and a first seal 33 is interposed between the first drain member 31 and the second drain member 32. For example, the butt joint of the first drainage component 31 and the second drainage component 32 is realized by adopting a clamping manner, the outer diameter of the first drainage component 31 is smaller than the inner diameter of the second drainage component 32, a partial structure of the first drainage component 31 can be sleeved in the second drainage component 32, a first sealing element 33 is arranged between the part of the first drainage component 31 sleeved in the second drainage component 32 and the second drainage component 32, and the first sealing element 33 can adopt a rubber sealing ring or a silica gel sealing ring. The first seal 33 is compressed between the first drain member 31 and the second drain member 32, and is sealingly connected to the outer peripheral surface of the first drain member 31 and the inner peripheral surface of the second drain member 32.

Further, an outer seal groove 34 is provided on the outer peripheral surface of the first drain member 31, and the first seal 33 is provided between the inner peripheral surface of the second drain member 32 and the outer seal groove 34. Illustratively, the outer seal groove 34 is an annular circular groove, a part of the first seal 33 is embedded into the outer seal groove 34, and after the butt joint, the position of the first seal 33 is relatively fixed, so that the sealing of the first seal 33 is more stable.

In some alternative implementations, the drain 30 includes a drain tube (not shown) having one end in communication with the drain opening 21 and the other end in communication with the outlet 12. For example, when the drain 30 needs to pass through the electronic cavity 14, the drain 30 may take the form of a drain tube. It will be appreciated that a drainage channel is formed in the body of the drain pipe, and the two ends of the drain pipe are connected to the drain opening 21 and the water outlet 12, respectively. The drain pipe can be made of various materials such as a plastic hose or a metal pipe. Based on the above, adopt the drain pipe as drainage piece 30, its simple structure, the flexibility is strong, easily production manufacturing.

In some alternative implementations, the water outlet 12 is disposed at the bottom of the electronic cavity 14. Illustratively, when the heat dissipation cavity 13 and the electronic cavity 14 are stacked up and down, that is, the electronic cavity 14 is arranged below the lowest point of the heat dissipation cavity 13, the water outlet 12 is arranged at the bottom of the electronic cavity 14, that is, the water outlet 12 is arranged at the bottom of the outer shell forming the electronic cavity 14.

In some alternative implementations, the mechanism component includes a cover 41 and a bottom case 42, the cover 41 and the bottom case 42 are in butt-joint fit to form the accommodating cavity 10, for example, an edge of the cover 41 and an edge of the bottom case 42 are matched to form the accommodating cavity 10. The butt fit between the cover 41 and the bottom case 42 can be fixed by screw connection or clamping connection.

Further, the spacer 20 cooperates with the cover 41 to form the heat dissipation cavity 13, and the spacer 20 cooperates with the bottom case 42 to form at least a portion of the electronic cavity 14. Illustratively, the portion of the spacer 20 facing the cover 41 cooperates with the cover 41 to form the heat dissipation cavity 13, and the portion of the spacer 20 facing the bottom 42 cooperates with the bottom 42 to form a portion of the electronic cavity 14. The inner walls of the heat dissipation chamber 13 are the inner walls of the spacer 20 and the cover 41, and the inner walls of the electronic chamber 14 are the inner walls of the spacer 20 and the bottom case 42.

Further, the spacer 20 includes a heat dissipation substrate 22 and a second sealing member 23, the heat dissipation substrate 22 is hermetically connected with the cover 41 through the second sealing member 23 to form the heat dissipation cavity 13; heat generated by the electronic devices in the electronic cavity 14 can be conducted to the heat dissipation cavity 13 through the heat dissipation substrate 22. Illustratively, the edge of the heat dissipation substrate 22 is connected to the inner wall of the cover 41, and a second sealing member 23 is interposed between the edge of the heat dissipation substrate 22 and the inner wall of the cover 41, so that the moisture in the heat dissipation chamber 13 cannot flow out through the gap between the edge of the heat dissipation substrate 22 and the inner wall of the cover 41, and a certain sealing performance is maintained.

Further, the cover 41 is provided with a first matching portion 411, the heat-dissipating substrate 22 is provided with a second matching portion 24, the first matching portion 411 and the second matching portion 24 are matched to fix the heat-dissipating substrate 22 to the cover 41, and a second sealing member 23 is disposed between the first matching portion 411 and the second matching portion 24 for preventing moisture in the heat-dissipating cavity 13 from permeating into the electronic cavity 14. Illustratively, the inner wall of the cover 41 is provided with a first matching portion 411 protruding from the inner wall, the heat-dissipating substrate 22 is provided with a second matching portion 24, and the first matching portion 411 and the second matching portion 24 may be connected by screws or may be connected by clamping. And a second sealing element 23 is arranged between the first matching part 411 and the second matching part 24, so that the moisture in the heat dissipation cavity 13 cannot flow out through the gap between the first matching part 411 and the second matching part 24, and the sealing performance is maintained.

Further, the first fitting portion 411 includes a flange 412, and the flange 412 extends from the inner surface of the cover 41 to the bottom case 42; the second mating portion 24 includes a slot 25, the slot 25 configured to mate with the flange 412, and a second seal 23 disposed within the slot 25, the second seal 23 sealing the flange 412 and the slot 25. Illustratively, the first mating portion 411 includes a flange 412 extending from the inner surface of the cover 41 toward the bottom shell 42, the flange 412 is an annular frame structure, the second mating portion 24 includes a slot 25 adapted to the shape of the flange 412, the flange 412 can be embedded into the slot 25, the second sealing element 23 is disposed in the slot 25, the top of the flange 412 abuts against the second sealing element 23 during installation, the top of the flange 412 is a portion of the flange 412 that enters the slot 25 first, and the top of the flange 412 presses the second sealing element 23, so that the first mating portion 411 and the second mating portion 24 are connected in a sealing manner.

In some alternative implementations, the cover 41 is provided with an air inlet 27 and an air outlet 414, the partition 20 includes a fan, the fan can rotate to dissipate heat, and the water drainage channel can drain moisture entering the heat dissipation chamber 13 from the air inlet 27 or the air outlet 414. The air inlet 27 is disposed on the cover 41, and the partition 20 further includes a fan, which may be a centrifugal fan, for example. The fan is electrically connected with the control circuit in the electronic cavity 14, and the air outlet end of the fan is arranged towards the air outlet 414, so that the air flow is accelerated, and the heat dissipation efficiency is improved.

Further, the spacer 20 further includes heat dissipating fins 26, and the heat dissipating fins 26 are used for conducting heat generated by the electronic devices in the electronic cavities 14. The heat dissipation fins 26 are disposed on the heat dissipation substrate 22, the heat dissipation fins 26 are connected to the electronic devices in the electronic cavity 14 through heat conduction elements, so that heat generated by the electronic devices is conducted to the heat dissipation fins 26, the heat is exchanged into the air by the heat dissipation fins 26, the heat dissipation fins 26 are disposed between the air outlet end of the re-fan and the air outlet 414, and the heat exchanged into the air by the heat dissipation fins 26 is discharged out of the heat dissipation cavity 13 through the air outlet 414. When water enters the heat dissipation chamber 13, the water flows through the heat dissipation fins 26 to remove heat from the heat dissipation fins 26.

Further, the heat dissipation fin 26 includes a body 261 and a plurality of sheets 262 disposed on the body 261, and the sheets 262 extend from the body 261 to the heat dissipation cavity 13. The body 261 is illustratively a metal plate, and the material may be a metal with good thermal conductivity, such as copper or aluminum. The body 261 is thermally conductive with the electronic device. Lamellar body 262 locates the upper surface of body 261, and lamellar body 262 upwards extends from the upper surface of body 261, a plurality of lamellar body 262 parallel arrangement, and lamellar body 262 is rectangular shape metal sheet, and the material is the metal that the heat conductivity is good such as copper or aluminium, and the length direction and the air current direction of lamellar body 262 are parallel, are equipped with the interval between a plurality of lamellar bodies 262 and conveniently carry out the heat exchange. When water enters the heat dissipation chamber 13, the water flows through the sheet 262 to remove heat from the heat dissipation fins 26.

In some optional implementations, the unmanned aerial vehicle includes two water outlets 21 and the drainage member 30 adapted to the two water outlets 21, the two water outlets 21 and the two drainage channels, the two drainage channels are communicated with the water outlet 12, and the two water outlets 21 are disposed on the left and right sides of the transverse axis of the unmanned aerial vehicle. Illustratively, the drainage member 30 has two ports that can be connected to the two water outlets 21, two drainage channels collect water and lead the water into the water outlet 12, and the drainage member 30 can be implemented by a structure such as a Y-shaped tube or a V-shaped tube. The two water outlets 21 are provided on the left and right sides of the roll axis of the unmanned aerial vehicle. Based on the above, through setting up two outlet 21, can accelerate the drainage efficiency of the interior ponding of heat dissipation chamber 13 to reduce ponding and pile up the left side or the right side possibility at unmanned vehicles's roller bearing, guarantee unmanned vehicles when turning left or turning right, security when unmanned vehicles's mechanism part inclines left or right.

In some optional implementations, two drainage ports 21, two water outlets 12, and a drainage member 30 adapted to the two drainage ports 21 are included, two ends of the two drainage channels are respectively communicated with the two water outlets 12 and the two drainage ports 21, and the two drainage ports 21 are disposed on the left and right sides of the transverse axis of the unmanned aerial vehicle. Illustratively, the left side and the right side of the transverse rolling shaft of the unmanned aerial vehicle are respectively provided with an independent drainage channel, and the two water outlets 21 are arranged on the left side and the right side of the transverse rolling shaft of the unmanned aerial vehicle. When the unmanned aerial vehicle turns left or right, the mechanism part of the unmanned aerial vehicle inclines left or right, if accumulated water exists in the heat dissipation cavity 13, the accumulated water can be accumulated on the left side or the right side of the transverse rolling shaft of the unmanned aerial vehicle, and the arrangement of the two water outlets 12 can accelerate the drainage efficiency.

In some optional implementations, a drainage hole 413 is formed at a position of the cover 41 away from the water outlet 12, and an air outlet 414 is formed above the cover 41 corresponding to the water outlet 12. The cover 41 is further provided with a water discharge hole 413, and the water discharge hole 413 corresponds to an end of the separator 20 away from the water discharge port 21. For example, the drain hole 413 may be provided at one end in the roll axis direction of the unmanned aerial vehicle, and the drain port 21 may be provided at the other end in the roll axis direction of the unmanned aerial vehicle. When the unmanned aerial vehicle overturns, the air outlet 414 and the water discharging hole 413 can also discharge water, and the water can be discharged under various postures, so that the water discharging efficiency is improved.

Further, in some implementations, the lower edge of the drain hole 413 is flush with the bottom surface of the spacer 20, so that water in the heat dissipation chamber 13 can be drained from the drain hole 413. The lower edge of the water drain hole 413 is flush with the bottom surface of the partition 20, when the unmanned aerial vehicle flies towards one side of the water drain hole 413, the unmanned aerial vehicle can have the phenomenon that one end where the water drain hole 413 is located sinks and one end where the water outlet 12 is located tilts, and at the moment, water in the heat dissipation cavity 13 can be drained through the water drain hole 413.

In some optional implementations, a concave first groove 43 is disposed on the outer surface of the cover 41, the first groove 43 has a first groove wall 431 and a second groove wall 432, the first groove wall 431 and the second groove wall 432 are disposed opposite to each other, the first groove wall 431 is opened with an air outlet 414, and the second groove wall 432 is used for blocking the airflow outside the mechanism component from flowing into the heat dissipation chamber 13 from the air outlet 414. Illustratively, the first groove 43 is recessed from the top of the cover 41 to form a first groove wall 431 and a second groove wall 432, the air outlet 414 is disposed on the first groove wall 431, and the second groove wall 432 can block the airflow outside the mechanism component from flowing backward into the heat dissipation chamber 13 from the air outlet 414 when the unmanned aerial vehicle flies.

Further, the first groove wall 431 and the second groove wall 432 may be disposed in a V shape. The bottoms of the first groove wall 431 and the second groove wall 432 are connected, and the cross-sectional shapes of the first groove wall 431 and the second groove wall 432 are substantially V-shaped.

Further, the included angle between the wall surfaces of the first groove wall 431 and the second groove wall 432 may be a right angle or an obtuse angle. In order to enable the air outlet 414 to rapidly pass through the air flow, an included angle between the wall surfaces of the first groove wall 431 and the second groove wall 432 is set to be a right angle or an obtuse angle, so that the second groove wall 432 does not block the air flow movement of the air outlet 414.

Referring to fig. 1-4, in some alternative embodiments, the air outlet 414 is provided with a dust screen 44. In order to improve the dustproof effect of the unmanned aerial vehicle, the dust screen 44 is arranged at the air outlet 414.

Referring to fig. 5, in some alternative implementations, the mechanism component 100 includes a battery compartment 110, and the unmanned aerial vehicle 1 further includes:

a rack 200 including a hub 210 and a plurality of arms 220 coupled to the hub 210;

a plurality of rotor apparatuses 300 respectively mounted to the plurality of booms 220, each rotor apparatus 300 including a motor 310 and a propeller 320 mounted on the motor 310;

the battery compartment 110 is mounted on the central body 210.

Illustratively, one end of the horn 220 is coupled to the hub 210 and the other end of the horn 220 is coupled to the rotor assembly 300. A plurality of horn 220 are provided to extend outward from the central body 210, and the plurality of horn 220 are uniformly arranged along the circumferential direction of the directional axis with the central body 210 as the center. The battery 120 is located at the lower end of the water outlet 12, and the water flow discharged from the water outlet 12 can flow to the battery 120 installed on the battery chamber 110, so as to remove part of the heat on the battery 120 and reduce the temperature of the battery 120.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

An unmanned aerial vehicle comprising a mechanical part for carrying electronics of the unmanned aerial vehicle, characterized in that,

the mechanism part is provided with an accommodating cavity for accommodating the electronic device, and an isolating piece is arranged in the accommodating cavity and divides the accommodating cavity into at least a heat dissipation cavity and an electronic cavity for accommodating the electronic device;

the holding chamber is provided with a water inlet and a water outlet to form a drainage channel, the partition member forms at least part of the inner wall of the drainage channel, heat generated by the electronic device can be conducted to the heat dissipation chamber through the partition member, and moisture in the heat dissipation chamber can be discharged from the drainage channel to the mechanism part.
The UAV of claim 1, wherein the heat dissipation cavity and the electronic cavity are located on opposite sides of the isolator.
The UAV of claim 2 further comprising a flow director having a flow directing channel; the separator is provided with a water outlet, one end of the drainage channel is communicated with the water outlet, the other end of the drainage channel is communicated with the water outlet, and the drainage piece is used for guiding the moisture in the heat dissipation cavity to be discharged from the mechanism part through the water outlet, the drainage channel and the water outlet.
The UAV of claim 3 wherein the flow guide comprises a first drainage component in communication with the water outlet and a second drainage component in communication with the water outlet, the first drainage component interfacing with the first drainage component to form an inner wall of the flow guide channel.
The UAV of claim 4 wherein the first drainage component has an outer diameter less than an inner diameter of the second drainage component, and wherein a first seal is interposed between the first and second drainage components.
The UAV of claim 5 wherein the outer perimeter of the first drainage component is provided with an outer seal groove, and wherein the first seal is provided between the inner perimeter of the second drainage component and the outer seal groove.
The UAV of claim 3 wherein the drain comprises a drain tube, one end of the drain tube being in communication with the water outlet and the other end of the drain tube being in communication with the water outlet.
The UAV of any one of claims 1-7 wherein said water outlet is disposed at the bottom of said electronic cavity.
The UAV of any one of claims 1-7, wherein the mechanism component comprises a cover and a bottom shell, the cover and the bottom shell are in butt fit to form the receiving cavity.
The UAV of claim 9, wherein the spacer cooperates with the cover to form the heat dissipation cavity, and wherein the spacer cooperates with the bottom case to form at least part of the electronics cavity.
The unmanned aerial vehicle of claim 10,

the isolating piece comprises a heat dissipation substrate and a second sealing piece, and the heat dissipation substrate is connected with the cover body in a sealing mode through the second sealing piece so as to form the heat dissipation cavity;

heat generated by the electronic devices in the electronic cavity can be conducted to the heat dissipation cavity through the heat dissipation substrate.
The UAV of claim 11, wherein the cover is configured with a first mating portion, the heat-dissipating substrate is configured with a second mating portion, the first mating portion and the second mating portion mate to secure the heat-dissipating substrate to the cover, and the second sealing member is configured between the first mating portion and the second mating portion to prevent moisture in the heat-dissipating cavity from permeating into the electronic cavity.
The UAV of claim 12, wherein the first mating portion includes a flange extending from an inner surface of the cover in a direction toward the bottom shell; the second mating portion includes a slot configured to enable an abutting mating with the flange, and the second seal is disposed within the slot, the second seal sealing the flange and the slot.
The UAV of claim 11 wherein the cover has an air inlet and an air outlet, the spacer includes a fan that rotates to dissipate heat, and the drain channel is capable of draining moisture entering the heat dissipation chamber from the air inlet or the air outlet.
The UAV of claim 14 wherein the spacer further comprises heat fins for thermally conducting heat generated by the electronics in the electronics cavity.
The UAV according to any one of claims 3 to 7, comprising two said water outlets and a flow guide adapted to said two water outlets, said two water outlets communicating with two said flow guide channels, said two flow guide channels communicating with said water outlet, said two water outlets being provided on the left and right sides of a roll axis of said UAV.
The unmanned aerial vehicle of any one of claims 3-7, comprising two of the drainage ports, two of the water outlets, and the drainage member adapted to the two of the drainage ports, wherein two ends of the two of the drainage channels are respectively communicated with the two of the water outlets and the two of the drainage ports, and the two of the drainage ports are disposed on left and right sides of a roll shaft of the unmanned aerial vehicle.
The UAV of claim 9 wherein the cover further comprises a drain hole corresponding to an end of the spacer remote from the drain opening.
The UAV of claim 18 wherein a lower edge of the drain hole is flush with a bottom surface of the spacer such that water within the cavity can drain from the drain hole.
The UAV of claim 14 wherein the cover has a first recessed groove formed in an outer surface thereof, the first recessed groove having a first groove wall and a second groove wall, the first groove wall and the second groove wall being opposite to each other, the first groove wall defining the air outlet, the second groove wall being configured to block airflow from outside the mechanism component from flowing from the air outlet into the heat dissipation chamber.
The UAV of claim 20 wherein the first slot wall and the second slot wall are disposed in a V-shape.
The unmanned aerial vehicle of claim 21,

the included angle of the wall surfaces of the first groove wall and the second groove wall is a right angle or an obtuse angle.
The unmanned aerial vehicle of claim 14,

the air outlet is provided with a dust screen.
The UAV of any of claims 1-23, wherein the mechanical component comprises a battery compartment, the UAV further comprising:

a frame including a central body and a plurality of arms coupled to the central body;

a plurality of rotor devices respectively mounted on the plurality of booms, each of the rotor devices including a motor and a propeller mounted on the motor;

the battery compartment is mounted on the central body.