WO2022095064A1

WO2022095064A1 - Frame structure and unmanned aerial vehicle

Info

Publication number: WO2022095064A1
Application number: PCT/CN2020/127631
Authority: WO
Inventors: 黄星; 李日照
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2022-05-12
Also published as: CN114746333A

Abstract

A frame structure (103) and an unmanned aerial vehicle (1000) comprising the frame structure (103). The frame structure (103) comprises an assembling member (20) and at least two frame members (10). The at least two frame members (10) are used for constructing a body of the unmanned aerial vehicle (1000). At least two adjacent frame members (10) are assembled and connected by means of the assembling member (20) to form the frame body (100), thereby enhancing the strength of the frame body (100). Either the at least two frame members (10) or the assembling member (20) can be fixedly connected to arms and/or a landing gear of the unmanned aerial vehicle (1000).

Description

Frame structure and unmanned aerial vehicle

technical field

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

Background technique

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

SUMMARY OF THE INVENTION

Based on this, the present application provides a frame structure and an unmanned aerial vehicle, aiming at enhancing the strength of the frame body to meet flight requirements.

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

at least two frame pieces for constructing the body of the unmanned aerial vehicle;

A splicing piece, through which at least two adjacent frame pieces are spliced and connected to form a frame body, thereby enhancing the strength of the frame body;

Wherein, one of the at least two frame parts or the splicing part can be fixedly connected with the arm and/or the tripod of the unmanned aerial vehicle.

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

a frame body with thermal conductivity, and the frame body is used to construct the body of the unmanned aerial vehicle;

a circuit board, which is arranged on the frame body and used to control the operation of the unmanned aerial vehicle, and the heat on the circuit board can be conducted to the frame body and dissipated;

Wherein, the frame body can be fixedly connected with the arm and the tripod of the unmanned aerial vehicle.

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

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

The machine arm is connected with the frame structure.

The embodiments of the present application provide a frame structure and an unmanned aerial vehicle, where the frame structure can enhance the strength of the frame body. During the flight of the unmanned aerial vehicle, the frame structure can have good flight strength to meet the flight requirements.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. For those of ordinary skill, other drawings can also be obtained from these drawings without any creative effort.

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

2 is a schematic structural diagram of an angle of a frame structure provided by an embodiment of the present application;

3 is a schematic structural diagram of another angle of the frame structure provided by an embodiment of the present application;

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

5 is an exploded schematic diagram of a frame structure provided by an embodiment of the present application;

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

7 is a schematic structural diagram of an angle of a splicing piece provided by an embodiment of the present application;

8 is a schematic structural diagram of another angle of a splicing piece provided by an embodiment of the present application;

9 is a schematic structural diagram of another angle of a splicing piece provided by an embodiment of the present application;

10 is a schematic structural diagram of another angle of a splicing piece provided by an embodiment of the present application;

11 is a schematic structural diagram of a splicing piece provided by an embodiment of the present application;

12 is a schematic structural diagram of an angle of a frame structure provided by an embodiment of the present application;

13 is a schematic structural diagram of another angle of the frame structure provided by an embodiment of the present application;

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

15 is an exploded schematic diagram of a frame structure provided by an embodiment of the present application;

16 is a partial structural schematic diagram of a frame structure provided by an embodiment of the present application;

FIG. 17 is a schematic structural diagram of a frame structure provided by an embodiment of the present application.

Description of reference numbers:

1000. Unmanned aerial vehicle;

101, machine arm; 102, tripod; 103, frame structure;

100. Frame body;

10. Frame parts; 11. Cable routing space; 12. Contact part; 13. Hollow cavity; 14. Ventilation opening; 15. Second assembly part;

20, splicing piece; 21, splicing main body; 211, top; 2111, plane sub-part; 212, bottom; 213, side part; 2131, first side wall; 2132, second side wall; 21321, first sub-side wall 21322, the second sub-side wall; 2133, the third side wall; 214, the first splicing part; 215, the second splicing part; 22, the reinforcement body; 221, the first reinforcement part; 222, the second reinforcement part; 2221 , the first stiffener; 2222, the second stiffener; 2223, the third stiffener; 2224, the fourth stiffener;

23. The first hollow space; 24. The second hollow space; 30. The fixing piece;

200, a circuit board; 201, a substrate; 202, an electronic component; 203, a first assembly part; 300, a locking member.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

It should also be understood that the terms used in the specification of the present application are for the purpose of describing particular embodiments only and are not intended to limit the present application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural unless the context clearly dictates otherwise.

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

Referring to FIG. 1 , an embodiment of the present application provides an unmanned aerial vehicle 1000 including an arm 101 , a tripod 102 and a frame structure 103 . At least one of the foot stand 102 and the machine arm 101 is connected to the frame structure 103 . For example, the arm 101 is connected to the frame structure 103 . In some embodiments, the stand 102 may also be omitted.

It can be 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 mixed fixed-wing-rotor-wing unmanned aerial vehicle, or the like. Among them, the rotor unmanned aerial vehicle may be a single-rotor aircraft, a dual-rotor aircraft, a tri-rotor aircraft, a quad-rotor aircraft, a hexa-rotor aircraft, an octa-rotor aircraft, a ten-rotor aircraft, a twelve-rotor aircraft, and the like.

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

The number of the arms 101 may be one, two, three, four or more. One or more arms 101 extend radially from the body or frame structure 103 of the UAV 1000 .

In some embodiments, the UAV 1000 further includes a power device, and the power device is provided on the arm 101 . The power device may include a motor and a propeller, and the motor is connected with the propeller to provide flight power for the UAV 1000 .

Referring to FIGS. 2 to 5 , in some embodiments, the frame structure 103 includes a frame member 10 and a splicing member 20 . The number of frame members 10 is at least two. At least two frame members 10 are used to construct the body of the unmanned aerial vehicle 1000 . At least two adjacent frame members 10 are spliced and connected by the 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 parts 10 or the splicing parts 20 can be fixedly connected with the arms 101 and/or the legs 102 of the unmanned aerial vehicle 1000 .

Compared with the frame structure 103 without the splicing piece 20 , the connection strength between the two adjacent frame pieces 10 can be enhanced by the splicing piece 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 the flight requirements. In addition, the splicing piece 20 of the frame structure 103 is easy to assemble with the frame piece 10, which improves the assembling efficiency.

Referring to FIG. 3 and FIG. 4 , in some embodiments, the splicing piece 20 is located inside the frame body 100 , which can not only improve the aesthetics of the frame structure 103 , but also reduce the space occupied by the frame structure 103 , thereby facilitating no Miniaturized design of human air vehicle 1000. In other embodiments, at least the splicing piece 20 may also be provided outside the frame body 100 , which is not limited herein.

Referring to FIGS. 2 and 3 , in some embodiments, the 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 end to form an annular frame body 100 . The shape of the frame body 100 may be a square ring, a triangular ring, a hexagonal ring, other regularly shaped rings or irregularly formed rings, and the like.

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

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

In some embodiments, the number of splice pieces 20 is adapted to the number of frame pieces 10 . The number of the splicing pieces 20 is equal to the number of the frame pieces 10 . For example, the number of frame parts 10 and the number of splicing parts 20 are both four. Two adjacent frame members 10 are spliced and connected by a splicing member 20 .

In other embodiments, the number of splicing pieces 20 and the number of frame pieces 10 may also be different. For example, the number of splicing pieces 20 is smaller than the number of frame pieces 10 . For another example, the number of the splicing pieces 20 is greater than the number of the frame pieces 10 . Referring to FIG. 5 , by way of example, adjacent frame members 10 are spliced and connected by a splicing member 20a, and a splicing member 20b or a splicing member 20c is spliced in the middle of the same frame member 10 .

In some embodiments, the frame member 10 is a hollow structure, so that the weight of the frame structure 103 is reduced, which is beneficial to realize the lightweight of the unmanned aerial vehicle 1000 .

Referring to FIG. 2 and FIG. 5 , in some embodiments, the frame member 10 is provided with a wiring space 11 for wiring the electrical connection wires of the unmanned aerial vehicle 1000 . It can be understood that the wiring space 11 can improve the reliability and order of the wiring of the electrical connection lines of the unmanned aerial vehicle 1000, and can limit and fix the electrical connection lines to a certain extent, so as to prevent the electrical connection lines from being scattered and inconvenient for assembly or During the flight, the electrical connecting line shakes greatly, which makes the electrical connection of the electrical connecting line unreliable.

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

The splicing piece 20 can be made of any suitable material according to actual needs. For example, the splicing piece 20 includes an aluminum splicing piece or an aluminum alloy splicing piece or the like. The material of the splice 20 includes at least one of aluminum or aluminum alloy. Exemplarily, the splicing piece 20 is made of an aluminum alloy or an aluminum alloy splicing piece, so as to reduce the material cost and realize the lightweight of the frame structure 103 .

Referring to FIG. 6 , in some embodiments, the splicing member 20 is fixedly connected or detachably connected to the frame member 10 through the fixing member 30 . The fixing member 30 may be at least one of an adhesive layer structure, a snap-fit structure, a quick release member, a magnetic attraction structure, and the like. Illustratively, the fixing member 30 is a screw.

Exemplarily, the fixing member 30 passes through the splicing member 20 and the frame member 10 , thereby locking the splicing member 20 and the frame member 10 .

Exemplarily, one of the splicing piece 20 and the frame piece 10 is provided with a connecting hole, and the other of the splicing piece 20 and the frame piece 10 is provided with a connecting column. The fixing member 30 is provided with connecting holes and connecting posts to lock the splicing member 20 and the frame member 10.

Referring to FIGS. 7 and 8 , in some embodiments, the splice 20 includes a splice body 21 and a reinforcement body 22 . The two adjacent frame members 10 are connected by the splicing body 21 . The reinforcing body 22 is arranged on the splicing body 21 . The reinforcing body 22 can enhance the strength of the splicing piece 20, thereby enhancing the overall strength of the frame body 100 to meet the flying requirements.

In some embodiments, the reinforcement body 22 may also be connected to the frame member 10 . For example, screws pass through the reinforcement body 22 and the frame member 10 , so as to lock the reinforcement body 22 and the frame member 10 .

In some embodiments, the splicing body 21 and the reinforcing body 22 are manufactured by integral molding. In other embodiments, the splicing body 21 and the reinforcing body 22 can also be provided separately, and the two are detachably connected or fixedly connected through an intermediate fixing structure.

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

Referring to FIGS. 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 that are spaced apart. The first side wall 2131 , the second side wall 2132 and the third side wall 2133 are all connected with the top 211 and the bottom 212 . The first side wall 2131 is parallel to at least part of the second side wall 2132 . The third side wall 2133 intersects the first side wall 2131 .

Referring to FIG. 7 and FIG. 8 , for example, the second sidewall 2132 includes a first subsidewall 21321 and a second subsidewall 21322 connected to the first subsidewall 21321 . The first sub-sidewalls 21321 and the first sidewalls 2131 are relatively spaced apart. The second sub-sidewalls 21322 and the third sidewalls 2133 are relatively spaced apart.

Referring to FIGS. 7 and 8 , for example, the first sub-sidewall 21321 and the second sub-sidewall 21322 intersect. The first sub-sidewalls 21321 are spaced apart from and parallel to the first sidewalls 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 sidewall 2131 , the first sub-sidewall 21321 , the second sub-sidewall 21322 and the third sidewall 2133 can be designed with a hollow structure to reduce the splicing 20 , thereby reducing the weight of the frame structure 103 , which is beneficial to the miniaturized design of the unmanned aerial vehicle 1000 .

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

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

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

The first reinforcement portion 221 can be designed in any suitable shape, such as a plate shape and the like.

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

Referring to FIGS. 7 and 8 , in some embodiments, the top 211 , the first reinforcing portion 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 portion 211 , the first reinforcement portion 221 , the first side wall 2131 , the first sub-side wall 21321 and the bottom portion 212 cooperate to form the first hollow space 23 , so as to reduce the weight of the splicing piece 20 , thereby reducing the weight of the frame structure 103 , which is beneficial to the miniaturized design of the UAV 1000.

Referring to FIG. 8 , for example, the top portion 211 , the first reinforcement portion 221 , the first sidewall 2131 , the bottom portion 212 and the first sub-sidewall 21321 cooperate to form the first splicing portion 214 . The first splicing portion 214 is formed with a first hollow space 23 .

Referring to FIGS. 7 and 8 , in some embodiments, the top 211 , the third side wall 2133 , the bottom 212 , the first reinforcing portion 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 reinforcing part 221 cooperate to form the second hollow space 24 , so as to reduce the weight of the splicing piece 20 , thereby reducing the weight of the frame structure 103 , which is beneficial to the miniaturized design of the UAV 1000.

Referring to FIG. 8 , by way of example, the top 211 , the third sidewall 2133 , the bottom 212 , the second sub-sidewall 21322 and the first reinforcing portion 221 cooperate to form the second splicing portion 215 . The second splicing portion 215 is formed with a second hollow space 24 .

Referring to FIGS. 7 and 8 , in some embodiments, the reinforcement body 22 further includes a second reinforcement portion 222 . The second reinforcement portion 222 is disposed in the second hollow space 24 . The second reinforcement portion 222 is connected to at least two of the top portion 211 , the third side wall 2133 , the bottom portion 212 , and the first reinforcement portion 221 . Specifically, the second reinforcement portion 222 is at least partially located within the second hollow space 24 . The second reinforcing portion 222 is used to enhance the strength of the second splicing portion 215 , thereby improving the overall strength of the frame structure 103 .

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

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

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

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

Exemplarily, opposite sides of the second reinforcing rib 2222 are respectively connected to the second side wall 2132 and the bottom 212 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 FIGS. 8 and 9, for example, the first side of the second reinforcing rib 2222 is connected to the first reinforcing portion 221 and the second side wall 2132, and the second side of the second reinforcing rib 2222 is connected to the bottom 212. In order to enhance the connection strength between the first reinforcement portion 221 , the second side wall 2132 and the bottom portion 212 , the overall strength of the frame structure 103 is improved. Specifically, the first side of the second reinforcing rib 2222 and the second side of the second reinforcing rib 2222 are disposed opposite to each other. Both the first reinforcement portion 221 and the second side wall 2132 are connected to the first side of the second reinforcement rib 2222 .

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

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

Exemplarily, the opposite sides of the third reinforcing rib 2223 are respectively connected to the first reinforcing portion 221 and the planar sub-portion 2111, so as to enhance the connection strength between the first reinforcing portion 221 and the planar sub-portion 2111, thereby improving the strength of the frame structure 103. overall strength.

Exemplarily, opposite sides of the third reinforcing rib 2223 are respectively connected to the second side wall 2132 and the plane sub-portion 2111, so as to enhance the connection strength between the second side wall 2132 and the plane sub-portion 2111, thereby improving the strength of the frame structure 103. overall strength.

Referring to FIGS. 8 and 9 , for example, the first side of the third reinforcing rib 2223 is connected to the first reinforcing part 221 and the second side wall 2132 , and the second side of the third reinforcing rib 2223 is connected to the plane sub-portion 2111 , is used to enhance the connection strength between the first reinforcement portion 221 , the second side wall 2132 and the plane sub-portion 2111 , thereby improving the overall strength of the frame structure 103 . Specifically, the first side of the third reinforcing rib 2223 and the second side of the third reinforcing rib 2223 are disposed opposite to each other. Both the first reinforcement portion 221 and the second side wall 2132 are connected to the first side of the third reinforcement rib 2223 .

Exemplarily, the included angle between the third reinforcing rib 2223 and the right angle of the first reinforcing portion 221 and/or the second side wall 2132 is an acute angle or an obtuse angle. Exemplarily, the included angle between the third reinforcing rib 2223 and the plane sub-portion 2111 is an acute angle or an obtuse angle. Exemplarily, the third reinforcing rib 2223, the first reinforcing portion 221, the second sub-sidewall 21322 and the planar sub-portion 2111 cooperate to form a right-angled triangle.

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

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

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

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

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

In some embodiments, the first splicing portion 214 and the second splicing portion 215 are arranged non-parallel. 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 FIGS. 7 to 10 , in some embodiments, the first splicing portion 214 is perpendicular to the second splicing portion 215 . Exemplarily, the first splicing part 214 and the second splicing part 215 that 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 also be non-perpendicular to the second splicing portion 215 , as long as it can cooperate 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 cooperates with the second splicing portion 215 to form an irregular shape or the like.

Referring to FIG. 11 , in some embodiments, the first splicing portion 214 and the second splicing portion 215 are arranged in parallel. Exemplarily, the first splicing part 214 and the second splicing part 215 are arranged in line.

It can be understood that, in some embodiments, the first splicing portion 214 and the second splicing portion 215 of the splicing body 21 may also be connected to the same frame member 10 .

Referring to FIGS. 12 and 13 , in some embodiments, the frame structure 103 further includes a circuit board 200 . The circuit board 200 is connected to the frame member 10 for controlling the operation of the unmanned aerial vehicle 1000 . Exemplarily, the circuit board 200 is connected in communication with the 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, the heat on the circuit board 200 can be conducted to the frame member 10 and dissipated, so as to speed up the heat dissipation on the circuit board 200 and improve the heat dissipation efficiency of the circuit board 200 .

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

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

Referring to FIGS. 14 and 15 , in some embodiments, the frame member 10 has a contact portion 12 . The circuit board 200 includes a substrate 201 and electronic components 202 disposed on the substrate 201, and the substrate 201 and/or the electronic components 202 are attached to the contact portion 12.

Exemplarily, the electronic component 202 in the circuit board 200 that generates a relatively large amount of heat is thermally connected to the contact portion 12 .

Specifically, the chip in the circuit board 200 that generates a larger amount of heat is attached to the contact portion 12 . Of course, the chip in the circuit board 200 that generates a large amount of heat can also be thermally connected to the contact portion 12 through the thermally conductive adhesive layer.

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

Referring to FIGS. 2 and 5 , in some embodiments, the frame member 10 is provided with a hollow cavity 13 and a vent 14 communicating with the hollow cavity 13 . The air can enter the hollow cavity 13 through the vent 14 , thereby accelerating the heat dissipation on the frame member 10 , thereby improving the heat dissipation efficiency of the circuit board 200 .

It can be understood that the aforementioned wiring space 11 may belong to a part of the hollow cavity 13 . The aforementioned wiring space 11 and the hollow cavity 13 may also be mutually independent spaces, which 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 passes through 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, an adhesive layer structure, a quick-release component, 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 assembly portion 203 . The frame member 10 is provided with a second assembly portion 15 . The locking member 300 passes 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 assembly part 203 and the second assembly part 15 is a hole-like structure, and the other of the first assembly part 203 and the second assembly part 15 is an assembly post. The locking member 300 penetrates the hole-shaped structure and the assembling post, thereby locking the circuit board 200 and the frame member 10 .

It can be understood that, A and B are perpendicular, generally means that the included angle between A and B is 80 degrees, 85 degrees, 90 degrees, and any other suitable angle between 80 degrees and 90 degrees. C and D are parallel, generally refer to the included angle between C and D being 0 degree, 5 degree, 10 degree and any other suitable angle between 0 degree and 10 degree.

Referring to FIGS. 1 to 17 , the embodiment of the present application further provides a frame structure 103 for the unmanned aerial vehicle 1000 . The frame structure 103 includes the frame body 100 . The frame body 100 has thermal conductivity. The frame body 100 is used to construct the body of the unmanned aerial vehicle 1000 . The circuit board 200 is disposed on the frame body 100 and is used to control the operation of the unmanned aerial vehicle 1000 . The heat on the circuit board 200 can be conducted to the frame body 100 and dissipated. The frame body 100 can be fixedly connected with the arm 101 and the tripod 102 of the unmanned aerial vehicle 1000 .

In the frame structure 103 of the above-mentioned embodiment, the heat on the circuit board 200 can be conducted to the frame body 100 and dissipated, thereby accelerating the heat dissipation on the circuit board 200 and improving the heat dissipation efficiency of the circuit board 200 .

Exemplarily, the frame structure 103 includes the frame structure 103 of any one of the above embodiments.

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

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

In some embodiments, the frame body 100 has the 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 are 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 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 includes: a locking member 300 , passing through the circuit board 200 and the frame body 100 to lock the circuit board 200 and the frame body 100 .

In some embodiments, the circuit board 200 is provided with a first mounting portion 203 , the frame member 10 is provided with a second mounting portion 15 , and the fastener 300 passes through the first mounting portion 203 and the second mounting portion 15 to lock the circuit The board 200 and the frame body 100 .

In some embodiments, one of the first assembly part 203 and the second assembly part 15 is a hole-like structure, and the other of the first assembly part 203 and the second assembly part 15 is an assembly post.

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

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

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

In some embodiments, the frame member 10 is a hollow structure; and/or, the frame member 10 is provided with a wiring space 11 for wiring the electrical connection wires of the UAV 1000 .

In some embodiments, the frame member 10 is a beam structure; and/or, the splicing member 20 includes an aluminum splicing member or an aluminum alloy splicing member; and/or, the splicing member 20 is fixedly connected or detachable to the frame member 10 through the fixing member 30 connect.

In some embodiments, the fixing member 30 passes through the splicing member 20 and the frame member 10 to lock the splicing member 20 and the frame member 10 .

In some embodiments, the splicing member 20 includes: a splicing body 21 , through which two adjacent frame members 10 are connected; and a reinforcing body 22 , which is provided on the splicing body 21 .

In some embodiments, the splice body 21 includes: a top part 211; a bottom part 212, which is arranged at a distance from the top part 211; a side part 213, which is connected between the top part 211 and the bottom part 212; , at least one of the bottom portion 212 and the side portion 213 .

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, and the first side wall 2131 , the second side wall 2132 and the third side wall 2133 are all connected to the The top 211 and the bottom 212 are connected, the first side wall 2131 is parallel to at least part of the second side wall 2132 , and the third side wall 2133 intersects the first side wall 2131 .

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

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

In some embodiments, the first reinforcement portion 221 and the third side wall 2133 are arranged in parallel and spaced apart.

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

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

In some embodiments, the reinforcement body 22 further includes: a second reinforcement part 222 disposed in the second hollow space 24 and connected to at least one of the top part 211 , the third side wall 2133 , the bottom part 212 and the first reinforcement part 221 . both.

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

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

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

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

In some embodiments, the splicing body 21 includes: a first splicing part 214 , which is connected to one of the two adjacent frame members 10 ; and a second splicing part 215 , which is connected to the other of the two adjacent frame members 10 . , the reinforcing body 22 is arranged on the first splicing part 214 and/or the second splicing part 215 .

In some embodiments, the first splicing portion 214 and the second splicing portion 215 are arranged non-parallel.

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

In some embodiments, the first splicing portion 214 and the second splicing portion 215 are arranged in parallel.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of various equivalent modifications or modifications within the technical scope disclosed in the present application. Replacement, these modifications or replacements should all be covered within the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

A frame structure for unmanned aerial vehicle, characterized in that the frame structure comprises:

at least two frame pieces for constructing the body of the unmanned aerial vehicle;

A splicing piece, through which at least two adjacent frame pieces are spliced and connected to form a frame body, thereby enhancing the strength of the frame body;

Wherein, one of the at least two frame parts or the splicing part can be fixedly connected with the arm and/or the tripod of the unmanned aerial vehicle.
The frame structure according to claim 1, wherein the splicing piece is located inside the frame body; and/or the frame pieces are connected end to end to form the frame body.
The frame structure according to claim 1, wherein the number of the splicing pieces is equal to the number of the frame pieces.
The frame structure according to claim 1, wherein the frame member is a hollow structure; and/or, the frame member is provided with a wiring space for wiring the electrical connection wires of the unmanned aerial vehicle. Wire.
The frame structure according to claim 1, wherein the frame member is a beam structure; and/or the splicing member comprises an aluminum splicing member or an aluminum alloy splicing member; and/or, the splicing member is fixed by The parts are fixedly or detachably connected to the frame parts.
The frame structure according to claim 5, wherein the fixing member passes through the splicing member and the frame member to lock the splicing member and the frame member.
The frame structure according to claim 1, wherein the splicing piece comprises:

a splicing main body, and two adjacent frame parts are connected through the splicing main body;

The reinforcing body is arranged on the splicing main body.
The frame structure according to claim 7, wherein the splicing main body comprises:

top;

the bottom, which is spaced relative to the top;

The side part is connected between the top part and the bottom part; the two adjacent frame parts are respectively connected on at least one of the top part, the bottom part and the side part.
The frame structure according to claim 8, wherein the side portion comprises a first side wall, a second side wall and a third side wall which are spaced apart, the first side wall, the second side wall and the third side wall All three side walls are connected to the top and bottom, the first side wall is parallel to at least part of the second side wall, and the third side wall intersects the first side wall.
The frame structure according to claim 9, wherein the reinforcing body comprises:

The first reinforcement part is connected to the top and bottom, and is connected to the first side wall and the second side wall.
The frame structure according to claim 10, wherein the first reinforcing part is perpendicular to the bottom and/or the top.
The frame structure according to claim 10, wherein the first reinforcement portion is arranged in parallel with the third side wall and spaced apart.
The frame structure according to claim 10, wherein the top, the first reinforcing part, the first side wall, the second side wall and the bottom cooperate to form a first hollow space.
The frame structure according to claim 10, wherein the top, the third side wall, the bottom, the first reinforcing portion and the second side wall cooperate to form a second hollow space.
The frame structure according to claim 14, wherein the reinforcing body further comprises:

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

The first reinforcing rib is connected to the bottom and the third side wall.
The frame structure according to claim 15, wherein the second reinforcing part comprises:

A second reinforcing rib, one side is connected to at least one of the first reinforcing part and the second side wall, and the other side is connected to the bottom.
The frame structure of claim 15, wherein the top portion has a plane sub-portion; the second reinforcing portion comprises:

The third reinforcing rib has one side connected to at least one of the first reinforcing portion and the second side wall, and the other side is connected to the plane sub-portion.
The frame structure of claim 15, wherein the top portion has a plane sub-portion; the second reinforcing portion comprises:

The fourth reinforcing rib is connected to the plane sub-section and the third side wall.
The frame structure according to claim 7, wherein the splicing main body comprises:

a first splicing part, connected with one of the two adjacent frame members;

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

A circuit board, connected with the frame member, is used to control the operation of the unmanned aerial vehicle.
The frame structure according to claim 24, wherein the heat on the circuit board can be conducted to the frame member and dissipated.
The frame structure according to claim 24, wherein at least part of the frame members are made of a metal material with thermal conductivity.
The frame structure according to claim 26, wherein the metal material comprises: aluminum, copper, and aluminum alloy.
The frame structure according to claim 24, wherein the frame member has a contact portion, the circuit board comprises a substrate and electronic components provided on the substrate, the substrate and/or the electronic components are attached suitable for the contact portion.
The frame structure according to claim 28, wherein the electronic components include at least one of a main chip, a radio frequency chip, a memory chip and a power supply chip.
The frame structure according to claim 24, wherein the frame member is provided with a hollow cavity and a ventilation port communicating with the hollow cavity.
The frame structure of claim 24, wherein the frame structure further comprises:

The locking member penetrates the circuit board and the frame member to lock the circuit board and the frame member.
The frame structure according to claim 31, wherein a first assembling portion is provided on the circuit board, a second assembling portion is provided on the frame member, and the locking member passes through the first assembling 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-like structure, and the other of the first fitting portion and the second fitting portion is a Assembly column.
A frame structure for unmanned aerial vehicle, characterized in that the frame structure comprises:

a frame body with thermal conductivity, and the frame body is used to construct the body of the unmanned aerial vehicle;

a circuit board, which is arranged on the frame body and used to control the operation of the unmanned aerial vehicle, and the heat on the circuit board can be conducted to the frame body and dissipated;

Wherein, the frame body can be fixedly connected with the arm and the tripod of the unmanned aerial vehicle.
The frame structure according to claim 34, wherein at least part of the frame body is made of a metal material with thermal conductivity.
The frame structure according to claim 35, wherein the metal 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 comprises a substrate and electronic components provided on the substrate, the substrate and/or the electronic components are attached suitable for the contact portion.
The frame structure according to claim 37, wherein the electronic components comprise at least one of a main chip, a radio frequency chip, a memory chip and a power chip.
The frame structure according to claim 34, wherein the frame body is provided with a hollow cavity and a ventilation port communicating with the hollow cavity.
The frame structure of claim 34, wherein the frame structure further comprises:

The locking member passes through the circuit board and the frame body to lock the circuit board and the frame body.
The frame structure according to claim 40, wherein the circuit board is provided with a first assembling portion, the frame body is provided with a second assembling portion, and the fastener penetrates the first assembling portion and the second assembly part 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-like structure, and the other of the first fitting portion and the second fitting portion is a Assembly column.
The frame structure according to any one of claims 34-42, wherein the frame body comprises:

at least two frame members;

A splicing piece, at least two adjacent frame pieces are spliced and connected by the splicing piece to form the frame body, thereby enhancing the strength of the frame body.
The frame structure according to claim 43, wherein the splicing piece is located inside the frame body; and/or the frame pieces are connected end to end to form the frame body.
The frame structure according to claim 43, wherein the number of the splicing pieces is equal to the number of the frame pieces.
The frame structure according to claim 43, wherein the frame member is a hollow structure; and/or, the frame member is provided with a wiring space for wiring the electrical connection wires of the UAV. Wire.
The frame structure according to claim 43, wherein the frame member is a beam structure; and/or the splicing member comprises an aluminum splicing member or an aluminum alloy splicing member; and/or, the splicing member is fixed by The parts are fixedly or detachably connected to the frame parts.
The frame structure according to claim 47, wherein the fixing member passes through the splicing member and the frame member to lock the splicing member and the frame member.
The frame structure of claim 43, wherein the splicing piece comprises:

a splicing main body, and two adjacent frame parts are connected through the splicing main body;

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

top;

the bottom, which is spaced relative to the top;

The side part is connected between the top part and the bottom part; the two adjacent frame parts are respectively connected on at least one of the top part, the bottom part and the side part.
The frame structure of claim 50, wherein the side portion comprises spaced first, second and third side walls, the first, second and third side walls All three side walls are connected to the top and bottom, the first side wall is parallel to at least part of the second side wall, and the third side wall intersects the first side wall.
The frame structure of claim 51, wherein the reinforcing body comprises:

The first reinforcement part is connected to the top and bottom, and is connected to the first side wall and the second side wall.
The frame structure of claim 52, wherein the first reinforcement portion is perpendicular to the bottom and/or the top.
The frame structure according to claim 52, wherein the first reinforcement portion and the third side wall are arranged in parallel and spaced apart.
The frame structure according to claim 52, wherein the top, the first reinforcing part, the first side wall, the second side wall and the bottom cooperate to form a first hollow space.
The frame structure according to claim 52, wherein the top, the third side wall, the bottom, the first reinforcing portion and the second side wall cooperate to form a second hollow space.
The frame structure according to claim 56, wherein the reinforcing body further comprises:

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

The first reinforcing rib is connected to the bottom and the third side wall.
The frame structure of claim 57, wherein the second reinforcing portion comprises:

A second reinforcing rib, one side is connected to at least one of the first reinforcing part and the second side wall, and the other side is connected to the bottom.
The frame structure of claim 57, wherein the top portion has a planar sub-portion; the second reinforcing portion comprises:

The third reinforcing rib has one side connected to at least one of the first reinforcing portion and the second side wall, and the other side is connected to the plane sub-portion.
The frame structure of claim 57, wherein the top portion has a planar sub-portion; the second reinforcing portion comprises:

The fourth reinforcing rib is connected to the plane sub-section and the third side wall.
The frame structure according to claim 49, wherein the splicing body comprises:

a first splicing part, connected with one of the two adjacent frame members;

The second splicing part is connected to the other of the two adjacent frame parts, and the reinforcing body is provided on the first splicing part and/or the second splicing part.
The frame structure according to claim 62, wherein the first splicing portion and the second splicing portion are arranged non-parallel.
The frame structure of claim 63, wherein the first splicing portion is perpendicular to the second splicing portion.
The frame structure according to claim 62, wherein the first splicing part and the second splicing part are arranged in parallel.
A kind of unmanned aerial vehicle, is characterized in that, comprises:

The frame structure of any one of claims 1-65;

The machine arm is connected with the frame structure.