CN114746333A

CN114746333A - Frame construction and unmanned vehicles

Info

Publication number: CN114746333A
Application number: CN202080079881.4A
Authority: CN
Inventors: 黄星; 李日照
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2022-07-12
Also published as: WO2022095064A1

Abstract

A frame structure (103) and an unmanned aerial vehicle (1000) comprising the frame structure (103), wherein the frame structure (103) comprises a splice (20) and at least two frame pieces (IO) for constructing an airframe of the unmanned aerial vehicle (1000); at least two adjacent frame members (IO) are spliced and connected through a splicing member (20) to form a frame body (100), so that the strength of the frame body (100) is enhanced; one of the at least two frame pieces (IO) or splices (20) can be fixedly connected to a horn and/or a foot stand of the unmanned aerial vehicle (1000).

Description

Frame construction and unmanned vehicles

Technical Field

The application relates to the technical field of aircrafts, in particular to a frame structure and an unmanned aerial vehicle.

Background

The movable apparatus generally includes a center body, and various electronic devices and/or loads disposed on the center body. In order to minimize the weight of the movable equipment, the central body is usually designed as a structure including a central frame, and required electronic devices and/or loads are provided on the central frame. However, the existing central frame structure has insufficient strength, and is difficult to meet the requirements of the movable equipment in the required working scene.

Disclosure of Invention

Based on this, this application provides a frame construction and unmanned vehicles, aims at reinforcing the intensity of frame body to satisfy the flight requirement.

According to a first aspect of the present application, there is provided a frame structure for an unmanned aerial vehicle, the frame structure comprising:

at least two frame members for constructing an airframe of the UAV;

the splicing piece is used for splicing and connecting at least two adjacent frame pieces to form a frame body so as to enhance the strength of the frame body;

wherein one of the at least two frame pieces or the splice can be fixedly connected with a horn and/or a foot rest of the UAV.

According to a second aspect of the present application, there is provided a frame structure for an unmanned aerial vehicle, the frame structure comprising:

the frame body is used for constructing the airframe of the unmanned aerial vehicle;

the circuit board is arranged on the frame body and used for controlling the unmanned aerial vehicle to work, and heat on the circuit board can be conducted to the frame body and dissipated;

the frame body can be fixedly connected with an arm and a foot rest of the unmanned aerial vehicle.

According to a third aspect of the present application, there is provided an unmanned aerial vehicle comprising:

the frame structure of the first or second aspect of the present application;

a horn connected with the frame structure.

The embodiment of the application provides a frame construction and unmanned vehicles, and this frame construction can strengthen the intensity of the frame body. In the flight process of the unmanned aerial vehicle, the frame structure can have good flight strength so as to meet flight requirements.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an unmanned aerial vehicle provided by an embodiment of the present application;

FIG. 2 is a schematic view of an angle of a frame structure according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a frame structure according to another angle provided by an embodiment of the present application;

FIG. 4 is a cross-sectional view A-A of the frame structure of FIG. 3;

FIG. 5 is an exploded view of a frame structure provided in accordance with an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a frame structure provided in an embodiment of the present application;

FIG. 7 is a schematic view of an angle of a splice provided in an embodiment of the present application;

FIG. 8 is a schematic view of another angle of the splice provided by an embodiment of the present application;

FIG. 9 is a schematic view of a splice at yet another angle according to an embodiment of the present application;

FIG. 10 is a schematic view of another angle of the splice provided by an embodiment of the present application;

FIG. 11 is a schematic structural view of a splice provided by an embodiment of the present application;

FIG. 12 is an angular view of a frame structure according to an embodiment of the present disclosure;

FIG. 13 is a schematic view of a frame structure at another angle according to an embodiment of the present application;

FIG. 14 is a cross-sectional view of the frame structure of FIG. 13 taken along B-B;

FIG. 15 is an exploded view of a frame structure provided in accordance with an embodiment of the present application;

FIG. 16 is a schematic view of a portion of a frame structure provided in accordance with an embodiment of the present application;

fig. 17 is a schematic structural diagram of a frame structure according to an embodiment of the present application.

Description of reference numerals:

1000. an unmanned aerial vehicle;

101. a horn; 102. a foot rest; 103. a frame structure;

100. a frame body;

10. a frame member; 11. a routing space; 12. a contact portion; 13. a hollow cavity; 14. a vent; 15. a second fitting portion;

20. splicing pieces; 21. splicing the main bodies; 211. a top portion; 2111. a planar sub-portion; 212. a bottom portion; 213. a side portion; 2131. a first side wall; 2132. a second side wall; 21321. a first sub-sidewall; 21322. a second sub-sidewall; 2133. a third side wall; 214. a first splice; 215. a second splice; 22. a reinforcement body; 221. a first reinforcing portion; 222. a second reinforcement portion; 2221. a first reinforcing rib; 2222. a second reinforcing rib; 2223. a third reinforcing rib; 2224. a fourth reinforcing rib;

23. a first hollow space; 24. a second hollow space; 30. a fixing member;

200. a circuit board; 201. a substrate; 202. an electronic component; 203. a first fitting portion; 300. and a locking piece.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.

It is also to be understood that the terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

Referring to fig. 1, an unmanned aerial vehicle 1000 according to an embodiment of the present application includes a horn 101, a foot rest 102, and a frame structure 103. At least one of the foot rest 102 and the horn 101 is connected to a frame structure 103. For example, the horn 101 is coupled to a frame structure 103. In some embodiments, the foot rest 102 may also be omitted.

It is understood that the unmanned aerial vehicle 1000 may be a rotary wing unmanned aerial vehicle, a fixed wing unmanned aerial vehicle, an unmanned helicopter, or a fixed wing-rotary wing hybrid unmanned aerial vehicle, among others. Wherein, the rotor unmanned vehicles can be single rotor aircraft, double rotor aircraft, triple rotor aircraft, four rotor aircraft, six rotor aircraft, eight rotor aircraft, ten rotor aircraft, twelve rotor aircraft, etc.

Illustratively, unmanned aerial vehicle 1000 is a multi-rotor unmanned aerial vehicle.

The number of horn 101 may be one, two, three, four or more. One or more horn 101 extends radially from the airframe or frame structure 103 of the unmanned aerial vehicle 1000.

In some embodiments, the UAV 1000 further comprises a power plant, which is disposed on the horn 101. The power device may include a motor and a propeller, the motor being connected to the propeller for providing flight power to the unmanned aerial vehicle 1000.

Referring to fig. 2-5, in some embodiments, the frame structure 103 includes a frame member 10 and a splice member 20. The number of frame members 10 is at least two. At least two frame members 10 are used to construct the airframe of the unmanned aerial vehicle 1000. At least two adjacent frame members 10 are spliced and connected by a splicing member 20 to form the frame body 100, thereby enhancing the strength of the frame body 100. Wherein at least one of the two frame pieces 10 or the splice 20 can be fixedly connected to the horn 101 and/or the foot 102 of the unmanned aerial vehicle 1000.

Compared with the frame structure formed without splicing and connecting the frame members by the splicing members 20, the frame structure 103 of the above embodiment can enhance the connecting strength between the adjacent two frame members 10 by the splicing members 20, thereby enhancing the strength of the frame body 100. During the flight of the unmanned aerial vehicle 1000, the frame structure 103 can have good flight strength to meet flight requirements. In addition, the assembly of the splice 20 and the frame member 10 of the frame structure 103 is simple, and the assembly efficiency is improved.

Referring to fig. 3 and 4, in some embodiments, the splice 20 is located inside the frame body 100, which not only improves the aesthetic property of the frame structure 103, but also reduces the occupied space of the frame structure 103, thereby facilitating the miniaturization design of the unmanned aerial vehicle 1000. In other embodiments, at least the splicing member 20 can be disposed outside the frame body 100, and is not limited herein.

Referring to fig. 2 and 3, in some embodiments, frame members 10 are connected end-to-end to form a frame body 100. Specifically, at least two frame members 10 are connected end to form an annular frame body 100. The frame body 100 may have a square ring, a triangular ring, a hexagonal ring, other regular-shaped rings, irregularly-formed rings, or the like.

The number of frame members 10 can be designed according to practical requirements, such as two, three, four or more. Illustratively, the number of frame members 10 is four, and four frame members 10 are connected end to end in sequence to form the frame body 100.

The dimensions of the different frame members 10 may be the same or different. For example, adjacent frame members 10 are different in size. The other two frame members 10 connected to the same frame member 10 are the same size.

In some embodiments, the number of splice elements 20 is adapted to the number of frame elements 10. The number of splice elements 20 is equal to the number of frame elements 10. For example, the number of frame members 10 and the number of splice members 20 are four. Adjacent frame members 10 are connected by a splice 20.

In other embodiments, the number of splice elements 20 can be different than the number of frame elements 10. For example, the number of splice elements 20 is less than the number of frame elements 10. As another example, the number of splice elements 20 is greater than the number of frame elements 10. Referring to fig. 5, adjacent frame members 10 are illustratively joined by a splice 20a, and a splice 20b or a splice 20c is spliced to the middle of the same frame member 10.

In some embodiments, the frame member 10 is a hollow structure, thereby reducing the weight of the frame structure 103, which facilitates the weight reduction of the unmanned aerial vehicle 1000.

Referring to fig. 2 and 5, in some embodiments, the frame member 10 is provided with a routing space 11 for routing electrical connection lines of the unmanned aerial vehicle 1000. It can understand, should walk line space 11 and can improve unmanned vehicles 1000 electric connecting line and walk line reliability and orderliness, can play certain spacing fixed action to the electric connecting line, avoid the electric connecting line in disorder and be not convenient for the equipment or the electric connecting line in flight in-process appears great range and rocks and cause the electric connecting line electricity to connect unreliable.

In some embodiments, the frame member 10 is a beam structure. Specifically, the frame member 10 is a hollow beam structure.

The splice 20 can be made of any suitable material according to actual requirements. For example, the splice 20 can comprise an aluminum splice or an aluminum alloy splice, etc. The material of the splice 20 includes at least one of aluminum or aluminum alloy. Illustratively, the splice 20 is made of or is an aluminum alloy splice to reduce material costs and enable a light weight of the frame structure 103.

Referring to FIG. 6, in some embodiments, the splicing element 20 is fixedly attached or removably attached to the frame member 10 by a fastener 30. The fixing member 30 may be at least one of a glue layer structure, a snap structure, a quick-release member, a magnetic structure, etc. Illustratively, the fixture 30 is a screw.

Illustratively, the fastener 30 is threaded through the splice 20 and the frame member 10, thereby locking the splice 20 and the frame member 10.

Illustratively, one of the splice 20 and the frame member 10 is provided with a connection hole, and the other of the splice 20 and the frame member 10 is provided with a connection post. The fixing member 30 is inserted through the coupling hole and the coupling post to lock the splice 20 and the frame member 10.

Referring to fig. 7 and 8, in some embodiments, the splice 20 includes a splice body 21 and a rib 22. Adjacent two frame members 10 are connected by a splice body 21. The reinforcement body 22 is provided on the splice body 21. The reinforcement 22 can reinforce the strength of the splice 20, and thus the overall strength of the frame body 100, to meet flight requirements.

In some embodiments, the reinforcement 22 may also be connected to the frame member 10. For example, screws may be threaded through the reinforcement 22 and the frame member 10 to secure the reinforcement 22 and the frame member 10.

In some embodiments, the splice body 21 and the reinforcement body 22 are formed by an integral molding process. In other embodiments, the splice body 21 can be separate from the rib 22, and the two can be detachably connected or fixedly connected through an intermediate fixing structure.

Referring to fig. 7 and 8, in some embodiments, the splice body 21 includes a top 211, a bottom 212, and sides 213. The bottom portion 212 is spaced opposite the top portion 211. The side 213 is connected between the top 211 and the bottom 212. Two adjacent frame members 10 are attached to at least one of the top 211, bottom 212 and side 213 portions, respectively. Specifically, the top 211 and bottom 212 are connected on opposite sides of the side 213.

Referring to fig. 7 and 8, in some embodiments, the side portion 213 includes a first side wall 2131, a second side wall 2132, and a third side wall 2133 spaced apart from each other. First side wall 2131, second side wall 2132, and third side wall 2133 are each connected to top 211 and bottom 212. The first side wall 2131 is parallel to at least a portion of the second side wall 2132. The third side wall 2133 intersects the first side wall 2131.

Referring to fig. 7 and 8, the second side wall 2132 includes a first sub-side wall 21321 and a second sub-side wall 21322 connected to the first sub-side wall 21321. The first sub-sidewall 21321 is spaced apart from and opposite the first sidewall 2131. The second sub-sidewall 21322 is spaced opposite the third sidewall 2133.

Referring to fig. 7 and 8, the first sub-sidewall 21321 illustratively intersects the second sub-sidewall 21322. The first sub-sidewall 21321 is spaced apart from and parallel to the first sidewall 2131. The second sub-sidewall 21322 is spaced apart from and parallel to the third sidewall 2133.

It can be understood that at least one of the top 211, the bottom 212, the first side wall 2131, the first sub-side wall 21321, the second sub-side wall 21322 and the third side wall 2133 may be designed with an hollowed-out structure to reduce the weight of the splice 20, and thus the weight of the frame structure 103, which is beneficial for the miniaturization design of the unmanned aerial vehicle 1000.

Referring to fig. 7 and 8, in some embodiments, the rib 22 includes a first rib 221. The first reinforcement part 221 is connected to the top part 211 and the bottom part 212. The first reinforcement part 221 is connected to the first side wall 2131 and the second side wall 2132. Illustratively, the first reinforcement 221 includes first and second opposing sides and third and fourth opposing sides. The top portion 211 and the bottom portion 212 are connected to a first side of the first reinforcement part 221 and a second side of the first reinforcement part 221, respectively. The first and second sub-sidewalls 21321 and 21322 are connected to the third side of the first reinforcement part 221. The first sidewall 2131 is connected to a fourth side of the first reinforcement part 221.

Referring to fig. 7 and 8, in some embodiments, the first stiffener 221 is perpendicular to the bottom portion 212 and/or the top portion 211. In other embodiments, the first reinforcement part 221 may be disposed non-perpendicular to the bottom part 212.

Referring to fig. 7 and 8, in some embodiments, the first reinforcing portion 221 and the third side wall 2133 are spaced apart from each other in parallel. In other embodiments, the first reinforcement portion 221 and the third side wall 2133 may be disposed non-parallel to the third side wall 2133.

The first reinforcement part 221 may be designed in any suitable shape, such as a plate shape.

Illustratively, the first reinforcement 221 is disposed coplanar with the second sub-sidewall 21322 of the second sidewall 2132.

Referring to fig. 7 and 8, in some embodiments, the top 211, the first reinforcement part 221, the first side wall 2131, the bottom 212 and the second side wall 2132 cooperate to form the first hollow space 23. Specifically, the top 211, the first reinforcement part 221, the first side wall 2131, the first sub-side wall 21321 and the bottom 212 cooperate to form the first hollow space 23, so as to reduce the weight of the splice 20, and further reduce the weight of the frame structure 103, which is beneficial to the miniaturization design of the unmanned aerial vehicle 1000.

Referring to fig. 8, illustratively, the top 211, the first reinforcement portion 221, the first side wall 2131, the bottom 212, and the first sub-side wall 21321 cooperate to form a first splicing portion 214. The first splicing portion 214 is formed with a first hollow space 23.

Referring to fig. 7 and 8, in some embodiments, the top 211, the third side wall 2133, the bottom 212, the first reinforcement part 221 and the second side wall 2132 cooperate to form the second hollow space 24. Specifically, the top 211, the third side wall 2133, the bottom 212, the second sub-side wall 21322 and the first reinforcement part 221 cooperate to form the second hollow space 24, so as to reduce the weight of the splice 20, and further reduce the weight of the frame structure 103, which is beneficial for the miniaturized design of the unmanned aerial vehicle 1000.

Referring to fig. 8, the top 211, the third side wall 2133, the bottom 212, the second sub-side wall 21322 and the first reinforcement portion 221 cooperate to form a second splice 215. The second splice 215 is formed with a second hollow space 24.

Referring to fig. 7 and 8, in some embodiments, the rib 22 further includes a second reinforcement portion 222. The second reinforcement portion 222 is provided in the second hollow space 24. The second reinforcement 222 is connected to at least two of the top 211, the third sidewall 2133, the bottom 212, and the first reinforcement 221. Specifically, the second reinforcement 222 is at least partially located within the second hollow space 24. The second reinforcement portion 222 is used for enhancing the strength of the second splicing portion 215, thereby improving the overall strength of the frame structure 103.

In some embodiments, the second reinforcement 222 includes a first reinforcing rib 2221. A first reinforcing rib 2221 is connected to the bottom 212 and the third side wall 2133 for enhancing the connection strength between the bottom 212 and the third side wall 2133.

Specifically, opposite sides of the first reinforcing rib 2221 are connected to the bottom 212 and the third side wall 2133, respectively.

Illustratively, the included angle between the first reinforcing rib 2221 and the bottom portion 212 is an acute angle or an obtuse angle. Illustratively, the included angle between the first reinforcing rib 2221 and the third side wall 2133 is an acute angle or an obtuse angle. Illustratively, the first bead 2221, the base 212, and the third side wall 2133 cooperate to form a right triangle.

In some embodiments, the second reinforcement 222 includes a second reinforcing rib 2222. One side of the second reinforcing rib 2222 is connected to at least one of the first reinforcing part 221 and the second side wall 2132, and the other side of the second reinforcing rib 2222 is connected to the bottom part 212.

Illustratively, opposite sides of the second reinforcing rib 2222 are connected to the first reinforcing part 221 and the bottom part 212, respectively, for enhancing the connection strength between the first reinforcing part 221 and the bottom part 212, thereby improving the overall strength of the frame structure 103.

Illustratively, opposite sides of the second reinforcing rib 2222 are connected to the second side wall 2132 and the bottom 212, respectively, for enhancing the connection strength between the second side wall 2132 and the bottom 212, thereby improving the overall strength of the frame structure 103.

Referring to fig. 8 and 9, for example, a first side of the second reinforcing rib 2222 is connected to the first reinforcing part 221 and the second side wall 2132, and a second side of the second reinforcing rib 2222 is connected to the bottom 212, so as to enhance the connection strength between the first reinforcing part 221, the second side wall 2132 and the bottom 212, and further increase the overall strength of the frame structure 103. Specifically, a first side of the second reinforcing rib 2222 and a second side of the second reinforcing rib 2222 are oppositely disposed. The first reinforcement part 221 and the second side wall 2132 are each connected to a first side of the second bead 2222.

Illustratively, the included angle between the second reinforcing rib 2222 and the first reinforcing part 221 and/or the second side wall 2132 is an acute angle or an obtuse angle. Illustratively, the included angle between the second rib 2222 and the bottom portion 212 is an acute angle or an obtuse angle. Illustratively, the second bead 2222, the first reinforcement part 221, the second sub sidewall 21322 and the bottom part 212 cooperate to form a right triangle.

Referring to fig. 7-9, in some embodiments, the top 211 has a planar sub-portion 2111. The second reinforcing part 222 includes a third reinforcing rib 2223. One side of the third reinforcing bead 2223 is connected to at least one of the first reinforcing part 221 and the second side wall 2132. The other side of the third reinforcing rib 2223 is connected to the planar sub-portion 2111.

Illustratively, opposite sides of the third reinforcing bead 2223 are connected to the first reinforcing portion 221 and the planar sub-portion 2111, respectively, for enhancing the connection strength between the first reinforcing portion 221 and the planar sub-portion 2111, thereby improving the overall strength of the frame structure 103.

Illustratively, opposite sides of the third bead 2223 are connected to the second side wall 2132 and the planar sub-portion 2111, respectively, for enhancing the connection strength between the second side wall 2132 and the planar sub-portion 2111, thereby improving the overall strength of the frame structure 103.

Referring to fig. 8 and 9, for example, a first side of the third rib 2223 is connected to the first reinforcing portion 221 and the second side wall 2132, and a second side of the third rib 2223 is connected to the planar sub-portion 2111, so as to enhance the connection strength between the first reinforcing portion 221, the second side wall 2132 and the planar sub-portion 2111, and further increase the overall strength of the frame structure 103. Specifically, a first side of the third reinforcing rib 2223 and a second side of the third reinforcing rib 2223 are oppositely disposed. The first reinforcement part 221 and the second side wall 2132 are connected to a first side of the third bead 2223.

Illustratively, the third reinforcing ribs 2223 form an acute angle or an obtuse angle with the right angle of the first reinforcing part 221 and/or the second side wall 2132. Illustratively, the included angle between the third reinforcing rib 2223 and the planar sub-portion 2111 is an acute angle or an obtuse angle. Illustratively, the third bead 2223, the first reinforcement portion 221, the second subpart 21322, and the planar subpart 2111 cooperate to form a right triangle.

Illustratively, the planar sub-portion 2111 cooperates with other portions of the top portion 211 to form a groove structure. The number of planar sub-portions 2111 may be one, two, three, or more. Likewise, the number of groove structures may be one, two, three or more.

Referring to fig. 7 to 9, in some embodiments, the second reinforcing part 222 includes a fourth reinforcing rib 2224. The fourth reinforcing bead 2224 is connected to the planar sub-portion 2111 and the third side wall 2133. Specifically, opposite sides of the third reinforcing rib 2223 are connected to the planar sub-portion 2111 and the third side wall 2133, respectively.

Illustratively, the included angle between the fourth reinforcing rib 2224 and the planar sub-portion 2111 is an acute angle or an obtuse angle. Illustratively, the included angle between the fourth reinforcing rib 2224 and the third side wall 2133 is an acute angle or an obtuse angle. Illustratively, the fourth bead 2224, the planar sub-portion 2111, and the third side wall 2133 cooperate to form a right triangle.

In some embodiments, the splice 20 conforms to the shape of the frame member 10. The shape and size of the splice 20 is adapted to the shape and size of the hollow cavity 13 inside the frame member 10.

In some embodiments, the splice body 21 includes a first splice 214 and a second splice 215. The first splice 214 is connected to one of the adjacent two frame members 10. The second splice 215 is connected to the other of the adjacent two frame members 10. The rib 22 is disposed on the first splice 214 and/or the second splice 215.

In some embodiments, the first splice 214 is disposed non-parallel to the second splice 215. Specifically, the included angle between the first splicing portion 214 and the second splicing portion 215 is an acute angle, an obtuse angle, or a right angle.

Referring to fig. 7-10, in some embodiments, the first splicing portion 214 is perpendicular to the second splicing portion 215. Illustratively, a first splicing portion 214 and a second splicing portion 215, which are perpendicular to each other, are respectively connected to two adjacent frame members 10, so as to ensure that the two adjacent frame members 10 are perpendicular to each other after being connected by the splicing member 20.

In other embodiments, the first splicing portion 214 may be non-perpendicular to the second splicing portion 215, so long as it can mate with two adjacent frame members 10. For example, the included angle between the first splicing portion 214 and the second splicing portion 215 is an acute angle or an obtuse angle. For another example, the first splicing portion 214 and the second splicing portion 215 cooperate to form an irregular shape, etc.

Referring to FIG. 11, in some embodiments, the first splicing portion 214 is disposed parallel to the second splicing portion 215. Illustratively, the first splice 214 is disposed collinear with the second splice 215.

It is to be appreciated that in some embodiments, the first and

second splices

214, 215 of the splice body 21 may also be connected to the same frame member 10.

Referring to fig. 12 and 13, in some embodiments, the frame structure 103 further includes a circuit board 200. Circuit board 200 is connected to frame member 10 for controlling operation of unmanned aerial vehicle 1000. Illustratively, the circuit board 200 is communicatively connected to a power plant of the unmanned aerial vehicle 1000 for controlling the operation of the power plant, such as controlling the rotational speed of the power plant, and the like.

In some embodiments, heat on circuit board 200 can be conducted to frame member 10 to dissipate, thereby increasing heat dissipation from circuit board 200 and improving heat dissipation efficiency of circuit board 200.

In some embodiments, at least a portion of the frame member 10 is thermally conductive. Specifically, at least a portion of the frame member 10 is made of a metal material having thermal conductivity. In some embodiments, the metallic material comprises: at least one of aluminum, copper, aluminum alloy, and the like. For example, the frame member 10 is an aluminum alloy frame member.

In other embodiments, at least a portion of the frame member 10 is made of a non-metallic material having thermal conductivity.

Referring to fig. 14 and 15, in some embodiments, frame member 10 has contacts 12. The circuit board 200 includes a substrate 201 and an electronic component 202 provided on the substrate 201, and the substrate 201 and/or the electronic component 202 is attached to the contact portion 12.

For example, the electronic component 202 having a relatively large amount of heat generation in the circuit board 200 is thermally conductively connected to the contact portion 12.

Specifically, a chip having a large amount of heat generation in the circuit board 200 is bonded to the contact portion 12. Of course, the chip with a large heat generation amount in the circuit board 200 may be connected to the contact portion 12 through the thermal conductive adhesive layer in a thermal conductive manner.

Illustratively, the electronic component 202 includes: at least one of a main chip, a radio frequency chip, a memory chip, a power supply chip and the like.

Referring to fig. 2 and 5, in some embodiments, frame member 10 is provided with a hollow cavity 13 and a vent 14 in communication with hollow cavity 13. Air can enter the hollow cavity 13 through the vent opening 14 to accelerate heat dissipation from the frame member 10, thereby improving heat dissipation efficiency of the circuit board 200.

It is understood that the aforementioned routing space 11 may belong to a part of the hollow cavity 13. The routing space 11 and the hollow cavity 13 may be independent spaces, and are not limited herein.

Referring to fig. 6, in some embodiments, the frame structure 103 further includes a locking member 300. The locking member 300 penetrates the circuit board 200 and the frame member 10 to lock the circuit board 200 and the frame member 10. The locking member 300 may be at least one of a snap-fit structure, a glue structure, a quick-release member, and the like. Illustratively, the locking member 300 is a screw.

Referring to fig. 16, in some embodiments, the circuit board 200 is provided with a first assembling portion 203. The frame member 10 is provided with a second fitting portion 15. The locking member 300 is inserted through the first fitting portion 203 and the second fitting portion 15 to lock the circuit board 200 and the frame member 10.

In some embodiments, one of the first and second

fitting portions

203 and 15 is a hole-like structure, and the other of the first and second

fitting portions

203 and 15 is a fitting post. The locking member 300 is inserted through the hole-like structure and the mounting post, thereby locking the circuit board 200 and the frame member 10.

It is understood that a is perpendicular to B, broadly referring to a and B having an included angle of 80 degrees, 85 degrees, 90 degrees, and any other suitable angle between 80 degrees and 90 degrees. C is parallel to D, broadly refers to an angle between C and D of 0 degrees, 5 degrees, 10 degrees, and any other suitable angle between 0 degrees and 10 degrees.

Referring to fig. 1 to 17, the present embodiment further provides a frame structure 103 for an unmanned aerial vehicle 1000. The frame structure 103 includes a frame body 100. The frame body 100 has thermal conductivity. The frame body 100 is used to construct the airframe of the unmanned aerial vehicle 1000. The circuit board 200 is provided on the frame body 100 and is used to control the operation of the unmanned aerial vehicle 1000. The heat of the circuit board 200 can be conducted to the frame body 100 to be dissipated. The frame body 100 can be fixedly connected to the horn 101 and the foot rest 102 of the unmanned aerial vehicle 1000.

In the frame structure 103 of the above embodiment, the heat on the circuit board 200 can be conducted to the frame body 100 to be dissipated, so that the heat dissipation on the circuit board 200 is accelerated, and the heat dissipation efficiency of the circuit board 200 is improved.

Illustratively, the frame structure 103 includes the frame structure 103 of any of the embodiments described above.

In some embodiments, at least a portion of the frame body 100 is made of a metal material having thermal conductivity.

In some embodiments, the metallic material comprises: aluminum, copper or aluminum alloy.

In some embodiments, the frame body 100 has a contact portion 12, the circuit board 200 includes a substrate 201 and an electronic component 202 disposed on the substrate 201, and the substrate 201 and/or the electronic component 202 is attached to the contact portion 12.

In some embodiments, the electronic component 202 includes: at least one of a main chip, a radio frequency chip, a memory chip and a power supply chip.

In some embodiments, the frame body 100 is provided with a hollow cavity 13 and a vent 14 communicating with the hollow cavity 13.

In some embodiments, the frame structure 103 further comprises: the locking member 300 is disposed through the circuit board 200 and the frame 100 to lock the circuit board 200 and the frame 100.

In some embodiments, the circuit board 200 is provided with a first assembling portion 203, the frame member 10 is provided with a second assembling portion 15, and the locking member 300 is inserted through the first assembling portion 203 and the second assembling portion 15 to lock the circuit board 200 and the frame member 100.

In some embodiments, one of the first and second

fitting portions

203 and 15 is a hole-like structure, and the other of the first and second

fitting portions

203 and 15 is a fitting post.

In some embodiments, the frame body 100 includes: at least two frame members 10; the splicing member 20 splices and connects at least two adjacent frame members 10 to form the frame body 100 by the splicing member 20, thereby enhancing the strength of the frame body 100.

In some embodiments, the splice 20 is located inside the frame body 100; and/or the frame members 10 are connected end to form the frame body 100.

In some embodiments, the number of splice elements 20 is equal to the number of frame elements 10.

In some embodiments, frame member 10 is a hollow structure; and/or, the frame member 10 is provided with a routing space 11 for routing electrical connection lines of the unmanned aerial vehicle 1000.

In some embodiments, the frame member 10 is a beam structure; and/or, the splice 20 comprises an aluminum splice or an aluminum alloy splice; and/or, the splicing element 20 can be fixedly attached or removably attached to the frame member 10 by the fastener 30.

In some embodiments, fasteners 30 are threaded through the splicing element 20 and the frame member 10 to secure the splicing element 20 and the frame member 10.

In some embodiments, the splice 20 comprises: a splice main body 21 through which adjacent two frame members 10 are connected; and a reinforcement body 22 provided on the splice body 21.

In some embodiments, the splice body 21 includes: a top 211; a bottom portion 212 spaced opposite the top portion 211; a side 213 connected between the top 211 and the bottom 212; two adjacent frame members 10 are attached to at least one of the top 211, bottom 212 and side 213 portions, respectively.

In some embodiments, the side portion 213 includes first, second, and third spaced apart

side walls

2131, 2132, 2133, each of the first, second, and

third side walls

2131, 2132, 2133 connecting the top 211 and the bottom 212, the first side wall 2131 being parallel to at least a portion of the second side wall 2132, and the third side wall 2133 intersecting the first side wall 2131.

In some embodiments, the rib 22 includes: a first reinforcement 221 connected to the top 211 and the bottom 212 and to the first side wall 2131 and the second side wall 2132.

In some embodiments, the first stiffener 221 is perpendicular to the bottom 212 and/or top 211.

In some embodiments, the first reinforcement 221 is disposed in parallel spaced relation to the third sidewall 2133.

In some embodiments, the top 211, the first reinforcement 221, the first side wall 2131, the second side wall 2132, and the bottom 212 cooperate to form the first hollow space 23.

In some embodiments, the top 211, the third side wall 2133, the bottom 212, the first reinforcement 221, and the second side wall 2132 cooperate to form the second hollow space 24.

In some embodiments, the rib 22 further comprises: the second reinforcement portion 222 is disposed in the second hollow space 24 and connected to at least two of the top portion 211, the third sidewall 2133, the bottom portion 212, and the first reinforcement portion 221.

In some embodiments, the second reinforcement 222 includes: a first reinforcing rib 2221 connected to the bottom 212 and the third side wall 2133.

In some embodiments, the second reinforcement 222 includes: the second reinforcing rib 2222 has one side connected to at least one of the first reinforcing part 221 and the second side wall 2132 and the other side connected to the bottom part 212.

In some embodiments, the top 211 has a planar sub-portion 2111; the second reinforcement portion 222 includes: the third rib 2223 has one side connected to at least one of the first reinforcing part 221 and the second side wall 2132 and the other side connected to the planar sub-portion 2111.

In some embodiments, the top 211 has a planar sub-portion 2111; the second reinforcement portion 222 includes: and a fourth rib 2224 connected to the planar sub-portion 2111 and the third side wall 2133.

In some embodiments, the splice body 21 includes: a first splice 214 connected to one of two adjacent frame members 10; a second splice 215 connected to the other of the adjacent two frame members 10, and a reinforcement 22 provided on the first splice 214 and/or the second splice 215.

In some embodiments, the first splice 214 is disposed non-parallel to the second splice 215.

In some embodiments, the first splice 214 is perpendicular to the second splice 215.

In some embodiments, the first splice 214 is disposed parallel to the second splice 215.

While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention, and these modifications or substitutions are intended to be included in the scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A frame structure for an unmanned aerial vehicle, the frame structure comprising:

at least two frame members for constructing an airframe of the UAV;

the splicing piece is used for splicing and connecting at least two adjacent frame pieces to form a frame body so as to enhance the strength of the frame body;

wherein one of the at least two frame pieces or the splice pieces is fixedly connectable with a horn and/or a foot stand of the UAV.
The frame structure according to claim 1, characterized in that the splices are located inside the frame body; and/or the frame pieces are connected end to form the frame body.
The frame structure according to claim 1, wherein the number of splice elements is equal to the number of frame elements.
The frame structure according to claim 1, wherein the frame members are hollow structures; and/or a wiring space is arranged on the frame component and used for wiring the electric connecting wires of the unmanned aerial vehicle.
The frame structure of claim 1, wherein the frame members are cross beam structures; and/or the splices comprise aluminum splices or aluminum alloy splices; and/or the splicing element is fixedly connected or detachably connected with the frame element through a fixing element.
The frame structure according to claim 5, wherein the fastener is threaded through the splicing element and the frame element to secure the splicing element and the frame element.
The frame structure according to claim 1, characterized in that the splices comprise:

a splice body through which adjacent two of the frame members are connected;

and the reinforcing body is arranged on the splicing main body.
The frame structure of claim 7, wherein the splice body comprises:

a top portion;

a bottom portion spaced opposite the top portion;

a side portion connected between the top portion and the bottom portion; adjacent two of the frame members are connected to at least one of the top, bottom and sides, respectively.
The frame structure of claim 8, wherein the side portions include first, second and third spaced apart side walls, each of the side walls being connected to the top and bottom portions, the first side wall being parallel to at least a portion of the second side wall, the third side wall intersecting the first side wall.
The frame structure according to claim 9, wherein the reinforcement body comprises:

a first reinforcement connected to the top and bottom and to the first and second sidewalls.
The frame structure according to claim 10, characterized in that the first reinforcement is perpendicular to the bottom and/or the top.
The frame structure according to claim 10, wherein the first reinforcement is disposed in parallel spaced relation to the third side wall.
The frame structure of claim 10, wherein the top, first reinforcement, first sidewall, second sidewall, and bottom cooperate to form a first hollow space.
The frame structure of claim 10, wherein the top, third sidewall, bottom, first reinforcement, and second sidewall cooperate to form a second hollow space.
The frame structure of claim 14, wherein the reinforcement further comprises:

and the second reinforcing part is arranged in the second hollow space and connected with at least two of the top part, the third side wall, the bottom part and the first reinforcing part.
The frame structure according to claim 15, wherein the second reinforcement portion includes:

a first stiffener connected to the bottom and the third sidewall.
The frame structure according to claim 15, wherein the second reinforcement portion includes:

and a second reinforcing bead having one side connected to at least one of the first reinforcement part and the second sidewall and the other side connected to the bottom part.
The frame structure as claimed in claim 15, wherein the top portion has a planar sub-portion; the second reinforcement portion includes:

and a third reinforcing bead having one side connected to at least one of the first reinforcing part and the second sidewall and the other side connected to the planar sub-part.
The frame structure as claimed in claim 15, wherein the top portion has a planar sub-portion; the second reinforcement portion includes:

and a fourth reinforcing rib connected to the planar sub-portion and the third sidewall.
The frame structure of claim 7, wherein the splice body comprises:

a first splice portion connected to one of adjacent two of the frame members;

and the second splicing part is connected with the other of the two adjacent frame pieces, and the reinforcing body is arranged on the first splicing part and/or the second splicing part.
The frame structure of claim 20, wherein the first splice and the second splice are disposed non-parallel.
The frame structure of claim 21, wherein the first splice is perpendicular to the second splice.
The frame structure according to claim 20, characterized in that the first splicing part is arranged in parallel with the second splicing part.
The frame structure according to any one of claims 1 to 23, further comprising:

a circuit board connected to the frame member for controlling the operation of the UAV.
The frame structure of claim 24, wherein heat from the circuit board is conducted to the frame members and dissipated.
The frame structure according to claim 24, wherein at least a portion of the frame members are made of a metal material having thermal conductivity.
The frame structure of claim 26, wherein the metallic material comprises: aluminum, copper, aluminum alloy.
The frame structure according to claim 24, wherein the frame member has a contact portion, the circuit board includes a substrate and an electronic component provided on the substrate, and the substrate and/or the electronic component is attached to the contact portion.
The frame structure according to claim 28, wherein the electronic component includes: at least one of a main chip, a radio frequency chip, a memory chip and a power supply chip.
A frame structure according to claim 24, wherein the frame members are provided with hollow cavities and ventilation openings communicating with the hollow cavities.
The frame structure of claim 24, further comprising:

and a locking member penetrating the circuit board and the frame member to lock the circuit board and the frame member.
The frame structure as claimed in claim 31, wherein the circuit board is provided with a first fitting portion, the frame member is provided with a second fitting portion, and the locking member is inserted through the first fitting portion and the second fitting portion to lock the circuit board and the frame member.
The frame structure according to claim 32, wherein one of the first fitting portion and the second fitting portion is a hole structure, and the other of the first fitting portion and the second fitting portion is a fitting post.
A frame structure for an unmanned aerial vehicle, the frame structure comprising:

the frame body is used for constructing the airframe of the unmanned aerial vehicle;

the circuit board is arranged on the frame body and used for controlling the unmanned aerial vehicle to work, and heat on the circuit board can be conducted to the frame body and dissipated;

the frame body can be fixedly connected with an arm and a foot rest of the unmanned aerial vehicle.
The frame structure according to claim 34, wherein at least a part of the frame body is made of a metal material having thermal conductivity.
The frame structure of claim 35, wherein the metallic material comprises: aluminum, copper or aluminum alloy.
The frame structure according to claim 34, wherein the frame body has a contact portion, the circuit board includes a substrate and an electronic component provided on the substrate, and the substrate and/or the electronic component is attached to the contact portion.
The frame structure according to claim 37, wherein the electronic component comprises: at least one of a main chip, a radio frequency chip, a memory chip and a power supply chip.
The frame structure of claim 34, wherein the frame body has a hollow cavity and a vent communicating with the hollow cavity.
The frame structure of claim 34, further comprising:

and the locking piece penetrates through the circuit board and the frame body to lock the circuit board and the frame body.
The frame structure as claimed in claim 40, wherein the circuit board has a first fitting portion, the frame body has a second fitting portion, and the locking member is inserted through the first fitting portion and the second fitting portion to lock the circuit board and the frame body.
The frame structure according to claim 41, wherein one of the first fitting portion and the second fitting portion is a hole structure, and the other of the first fitting portion and the second fitting portion is a fitting post.
The frame structure as claimed in any one of claims 34 to 42, wherein the frame body comprises:

at least two frame members;

and at least two adjacent frame pieces are spliced and connected by the splicing piece to form the frame body, so that the strength of the frame body is enhanced.
The frame structure according to claim 43, wherein the splice is located inside the frame body; and/or the frame pieces are connected end to form the frame body.
The frame structure according to claim 43, wherein the number of splice elements is equal to the number of frame elements.
The frame structure according to claim 43, wherein the frame members are hollow structures; and/or a wiring space is arranged on the frame component and used for wiring the electric connecting wires of the unmanned aerial vehicle.
A frame structure according to claim 43, wherein the frame members are cross beam structures; and/or the splices comprise aluminum splices or aluminum alloy splices; and/or the splicing element is fixedly connected or detachably connected with the frame element through a fixing element.
The frame structure according to claim 47, wherein the fastener is threaded through the splice and the frame member to secure the splice and the frame member.
The frame structure according to claim 43, wherein the splice comprises:

a splice body through which adjacent two of the frame members are connected;

and the reinforcing body is arranged on the splicing main body.
The frame structure according to claim 49, wherein the splice body comprises:

a top portion;

a bottom portion spaced opposite the top portion;

a side portion connected between the top portion and the bottom portion; adjacent two of the frame members are connected to at least one of the top, bottom and side portions, respectively.
A frame structure according to claim 50, wherein the side portions include spaced apart first, second and third side walls each connected to the top and bottom portions, the first side wall being parallel to at least part of the second side wall, the third side wall intersecting the first side wall.
The frame structure according to claim 51, wherein the reinforcement body comprises:

a first reinforcement connected to the top and bottom and to the first and second sidewalls.
The frame structure according to claim 52, wherein the first reinforcement is perpendicular to the bottom and/or the top.
The frame structure according to claim 52, wherein the first reinforcement is disposed in parallel spaced relation to the third side wall.
The frame structure of claim 52, wherein the top, first reinforcement, first sidewall, second sidewall, and bottom cooperate to form a first hollow space.
The frame structure of claim 52, wherein the top, third sidewall, bottom, first reinforcement, and second sidewall cooperate to form a second hollow space.
The frame structure according to claim 56, wherein the reinforcement body further comprises:

the second reinforcing part is arranged in the second hollow space and connected with at least two of the top, the third side wall, the bottom and the first reinforcing part.
The frame structure according to claim 57, wherein the second reinforcement portion includes:

a first stiffener connected to the bottom and the third sidewall.
The frame structure according to claim 57, wherein the second reinforcement portion includes:

and a second reinforcing bead having one side connected to at least one of the first reinforcement part and the second sidewall and the other side connected to the bottom part.
The frame structure as claimed in claim 57, wherein the top portion has a planar sub-portion; the second reinforcement portion includes:

and a third reinforcing bead having one side connected to at least one of the first reinforcing part and the second sidewall and the other side connected to the planar sub-part.
The frame structure as claimed in claim 57, wherein the top portion has a planar sub-portion; the second reinforcement portion includes:

and a fourth reinforcing rib connected to the planar sub-portion and the third sidewall.
The frame structure according to claim 49, wherein the splice body comprises:

a first splice portion connected to one of adjacent two of the frame members;

and the second splicing part is connected with the other of the two adjacent frame pieces, and the reinforcing body is arranged on the first splicing part and/or the second splicing part.
The frame structure of claim 62, wherein the first splice and the second splice are disposed non-parallel.
The frame structure of claim 63, wherein the first splice is perpendicular to the second splice.
The frame structure of claim 62, wherein the first splice and the second splice are arranged in parallel.
An unmanned aerial vehicle, comprising:

a frame structure according to any one of claims 1 to 65;

a horn connected with the frame structure.