WO2019127217A1

WO2019127217A1 - Arm assembly and unmanned aerial vehicle

Info

Publication number: WO2019127217A1
Application number: PCT/CN2017/119402
Authority: WO
Inventors: 褚宏鹏; 廖然
Original assignee: 深圳市大疆创新科技有限公司
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2019-07-04
Also published as: CN109070990A

Abstract

An arm assembly (10) and an unmanned aerial vehicle (100). The arm assembly (10) is rotatably connected to a frame body (101) of the unmanned aerial vehicle (100). The arm assembly (10) comprises an arm body (1), and an electric connection part (2) and a power assembly which are provided on the arm body (1). The electric connection part (2) is located at a first end (11) of the arm body (1) connected to the frame body (101), and the power assembly is located at a second end (12) of the arm body (1) connected to the frame body (101). When the arm body (1) is unfolded with respect to the frame body (101), the electric connection part (2) is in electric contact with an electrical fitting part (3) on the frame body (101), so as to electrically connect the arm assembly (10) to the frame body (101). When the arm body (1) is folded with respect to the frame body (101), the electric connection part (2) is separated from the electrical fitting part (3), so as to disconnect the arm assembly (10) from the frame body (101).The arm assembly (10) and the unmanned aerial vehicle (100) solve the problem of fatigue fracture of a conventional wire, and the service life of the folding arm in the unmanned aerial vehicle is effectively prolonged.

Description

Arm assembly and drone

Technical field

The invention relates to the technical field of drones, in particular to an arm assembly and a drone with improved circuit connection.

Background technique

With the rapid development of drones, people have put forward higher requirements for the portability of drones. Collapsible drones can fold and store their arms, which can effectively reduce the size of drones. The favor of aerial photography enthusiasts. With the reduction of the size of the collapsible drone, the available space inside the fuselage is getting smaller and smaller, and the reliability of the circuit connection at the folded position of the arm is put forward higher.

At present, the circuit connection mode of the folding arm in the drone is a conventional wire connection method, and the wire is taken out from one end of the arm, and is bent and connected to the circuit board inside the body. However, when the arm is folded, the wires connecting the arm circuit and the fuselage circuit are also bent. As the volume of the folding machine is reduced, the bending radius of the wire becomes smaller and smaller. This can lead to fatigue fatigue damage or poor contact, which seriously affects the safety and longevity of the drone.

Summary of the invention

In view of this, the present invention provides a novel circuit connection type arm assembly and a drone to solve the above technical problems.

According to a first aspect of the embodiments of the present invention, an arm assembly is provided that is rotatably coupled to a frame body of a drone, the arm assembly including: an arm body and an electric power provided on the arm body a connecting portion and a power assembly, the electrical connection portion is located at a first end of the arm body connected to the frame body, and the power component is located at a second end of the arm body connected to the frame body ;

Wherein, when the arm body is unfolded relative to the frame body, the electrical connection portion is electrically contacted with an electrical mating portion on the frame body such that the arm assembly and the frame body Electrical connection; when the arm body is folded relative to the frame body, the electrical connection portion is separated from the electrical mating portion to disconnect the arm assembly from the frame body.

According to a second aspect of the embodiments of the present invention, there is provided a drone comprising: a frame body and an arm assembly, the arm assembly being rotatably coupled to the frame body, the arm assembly including an arm a main body and an electrical connection portion and a power assembly disposed on the arm body, the electrical connection portion is located at a first end of the arm body connected to the frame body, and the power component is located at the arm a second end of the main body connected to the frame body;

[37] wherein, when the arm body is unfolded relative to the frame body, the electrical connection portion is electrically contacted with an electrical mating portion on the frame body such that the arm assembly is The rack body is electrically connected; when the arm body is folded relative to the rack body, the electrical connection portion is separated from the electrical mating portion to disconnect the arm assembly from the rack body connection.

The arm assembly and the drone of the present invention are provided with an electrical connection portion and an electric mating portion on the arm body and the frame body, so that the arm assembly and the machine are deployed when the arm body is unfolded relative to the frame body The main body of the frame is electrically connected. When the main body of the arm is folded relative to the main body of the frame, the arm assembly is disconnected from the main body of the frame to solve the problem that the conventional wire is prone to fatigue fracture, and the folding machine in the UAV is effectively increased. The life of the arm.

DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application. Other drawings may also be obtained from those of ordinary skill in the art in view of the drawings.

1 is a partial structural schematic view of a drone according to an exemplary embodiment of the present invention;

2 is a schematic view showing the assembly of an arm assembly and a frame of a drone according to an exemplary embodiment of the present invention;

3 is a schematic structural view of an arm assembly according to an exemplary embodiment of the present invention;

4 is a schematic structural view of an electrical mating portion of a drone according to an exemplary embodiment of the present invention;

FIG. 5 is a schematic structural view of an arm assembly according to still another exemplary embodiment of the present invention; FIG.

FIG. 6 is a schematic structural view showing the assembly of an arm assembly and an electric mating portion of a drone according to still another exemplary embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the drawings in the embodiments of the present application. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the same or similar elements in the different figures unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Instead, they are merely examples of devices and methods consistent with aspects of the invention as detailed in the appended claims.

The terminology used in the present invention is for the purpose of describing particular embodiments, and is not intended to limit the invention. The singular forms "a", "the" and "the" It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The arm assembly and the drone of the present invention will be described in detail below with reference to the accompanying drawings. The features of the embodiments and embodiments described below may be combined with each other without conflict.

As shown in FIG. 1, FIG. 1 is a partial structural diagram of a drone according to an exemplary embodiment of the present invention. The Figure 1 specifically illustrates the connection structure of the arm assembly to the frame body. The UAV 100 of the embodiment of the present invention includes a rack main body 101 and a boom assembly 10, and the arm assembly 10 is rotatably coupled to the rack main body 101, so that the volume of the drone 100 can be effectively reduced, thereby facilitating carrying and Store.

As shown in FIG. 2, the rack main body 101 is provided with a receiving portion 102 for accommodating the arm body 1. When the arm main body 1 is folded relative to the rack main body 101, the arm main body 1 is located in the accommodating portion 102. Therefore, not only the storage of the arm assembly 10 can be facilitated, but also the function of the arm assembly 10 can be protected, and the appearance of the overall appearance of the drone 100 can be maintained, and the whole body 1 of the arm can be prevented from protruding from the UAV 100. Outside the machine.

As shown in FIG. 2 and FIG. 3, the arm assembly 10 of the embodiment of the present invention includes an arm body 1 and an electrical connection portion 2 and a power assembly disposed on the arm body 1. The electrical connector portion 2 is located at the arm body. A first end 11 connected to the frame main body 101. The frame main body 101 is provided with an electric mating portion 3 that can be electrically connected to the electric connecting portion 2. The electrical connection portion 2 is axially coupled to the frame body such that the arm assembly 10 is rotatably coupled to the frame body 101. The power assembly is located at a second end 12 of the arm body 1 that is coupled to the frame body 101, wherein the power assembly includes a drive motor 41 and a propeller (not shown) mounted to the drive motor 41. In the present invention, the arm assembly 10 is plural, and the plurality of arm assemblies 10 are disposed on the frame main body 101. Hereinafter, one of the arm assemblies 10 will be described in detail as an example.

When the arm body 1 is unfolded relative to the frame body 101, the electrical connection portion 2 is electrically contacted with the electrical mating portion 3 of the frame body 101 to electrically connect the arm assembly 10 to the frame body 101. When the arm body 1 is folded relative to the frame body 101, the electrical connection portion 2 is separated from the electrical mating portion 3 to disconnect the arm assembly 10 from the frame body 101. That is, when the drone 100 is used, when the arm main body 1 is unfolded relative to the rack main body 101 (that is, when the arm main body 1 is unfolded to the use state with respect to the rack main body 101), the circuit and the rack in the arm main body 1 The circuit in the main body 101 realizes electrical connection; when the UAV 100 is not required to be used, when the arm main body 1 is folded relative to the rack main body 101 (ie, the arm main body 1 is retracted so that the arm main body 1 is attached to the main body of the rack 101)), the circuit in the arm body 1 is disconnected from the circuit in the rack main body 101, which can effectively prevent the arm assembly 10 of the drone 100 from transmitting an erroneous operation in a folded state, thereby avoiding damage to the drone 100.

As shown in FIG. 2 to FIG. 4, in an embodiment, the electrical connection portion 2 includes a connection body 21 and an electrical connector 22 disposed on the connection body 21, and the connection body 21 is rotatably coupled to the frame body 101. Wherein, when the arm body 1 is unfolded relative to the frame body 101 (that is, when the arm body 1 is unfolded to the use state with respect to the frame body 101), the electrical connector 22 is electrically connected to the electrical mating portion 3, and the arm body 1 is The electrical connector 22 is separated from the electrical mating portion 3 when the frame body 101 is folded and folded.

The electrical mating part 3 includes an electrical fitting 32, wherein when the arm body 1 is deployed relative to the rack main body 101 (ie, when the arm main body 1 is deployed to the use state with respect to the rack main body 101), the electrical connector 22 is electrically connected. The mating member 32 is electrically connected. When the arm body 1 is rotated and folded relative to the frame body 101, the electrical connector 22 is separated from the electrical fitting 32.

As shown in FIG. 2, in an alternative embodiment, the arm assembly 10 can also include a pin 13 for attaching the arm body 1 to the frame body 101. The pin 13 includes a connecting base 131 and a connecting shaft 132 extending from the connecting base 131. The connecting body 21 is provided with a shaft hole 211 that cooperates with the connecting shaft 132. After the arm body 1 is assembled to the target position of the frame body 101 (ie, the mounting portion 103 described below), the connecting shaft 132 is inserted into the shaft hole 211 of the connecting body 21, and the connecting seat 131 is passed. The screw or the pin is fixed to the frame main body 101, so that the connecting body 21 can be rotated about the connecting shaft 132, and the arm main body 1 can be rotated relative to the frame main body 101.

Correspondingly, the rack main body 101 is provided with a mounting portion 103 for accommodating the electrical connecting portion 2, and the mounting portion 103 is provided with a mounting seat 1031 which is fixedly coupled with the pin shaft 13. The mounting base 1031 is provided and connected. The shaft 132 is matched with the through hole 1032, and the mounting seat 1031 is further provided with a connecting hole 1033 that cooperates with a screw or a pin.

As shown in FIG. 2 and FIG. 3, in an embodiment, the electrical mating portion 3 is disposed opposite to the mounting base 1031. The electrical connecting portion 2 is mounted between the mounting base 1031 and the electrical mating portion 3, and the shaft hole 211 corresponds to the through hole. a hole 1032, and then the connecting shaft 132 of the pin 13 is inserted into the through hole 1032 and the shaft hole 211, and the connecting seat 131 and the connecting hole 1033 are engaged by screws or pins to fix the pin 13 to the mounting seat 1031. Thereby, the arm assembly 10 is assembled to the frame main body 101.

As shown in FIG. 2, FIG. 5 and FIG. 6, in another embodiment, the electrical mating portion 3 is disposed on the side of the mounting seat 1031, and the electrical connecting portion 2 is mounted in the mounting portion 103 and the shaft hole 211 is corresponding to the through hole. a hole 1032, and then the connecting shaft 132 of the pin 13 is inserted into the through hole 1032 and the shaft hole 211, and the connecting seat 131 and the connecting hole 1033 are engaged by screws or pins to fix the pin 13 to the mounting seat 1031. Thereby, the arm assembly 10 is assembled to the frame main body 101.

In another optional embodiment, two elastic pins may be oppositely disposed at a position where the arm body 1 is assembled on the frame main body 101, and the connecting body 21 of the arm main body 1 is correspondingly provided with a pin hole, and is assembled. At this time, by fitting the two spring pins in the pin holes of the connecting body 21, the connecting body 21 can be rotated about the pin. Alternatively, the connecting body 21 is respectively provided with a connecting shaft, and the frame body 101 is correspondingly provided with a shaft hole. When assembling, the connecting body 21 can be assembled in the shaft hole, so that the connecting body 21 can be connected. The shaft rotates about the shaft, which in turn causes the arm body 1 to rotate relative to the frame body 101.

Of course, the embodiment in which the arm body 1 is rotated relative to the frame body 101 in the present invention is not limited to the above two embodiments, and the connection manner in which the arm body 1 is rotated relative to the frame body 101 can be applied to the present invention.

Wherein, the electrical connector 22 can be at least one of a metal male, a metal female or a metal contact. Correspondingly, the electrical mating portion 3 is at least one of a metal female, a metal male or a metal contact that mates with the electrical connector 22. That is, when the electrical connector 22 is a metal male, the electrical mating portion 3 is a metal female mating with the electrical connector 22; when the electrical connector 22 is a metal female, the electrical mating portion 3 is electrically connected The metal male connector of the fitting 22; when the electrical connecting member 22 is a metal contact, the electrical mating portion 3 is a metal contact that cooperates with the electrical connecting portion 2.

In the present invention, the electrical connector 22 may be provided on the top surface, the bottom surface or the circumferential side of the connecting body 21, in particular according to the design requirements of the drone 100. The electrical connector 22 includes a first connector 221 and a second connector 222. The first connector 221 and the second connector 222 are used to electrically connect modules of different functions.

Correspondingly, as shown in FIG. 2 to FIG. 6 , the electrical mating portion 3 further includes a connecting base 31 , and the electrical mating component 32 includes a first mating component 321 and a second mating component 322 disposed on the connecting base 31 . When the arm body 1 is opposite to the frame body 101, the first mating member 321 is electrically connected to the first connecting member 221, and the second mating member 322 is electrically connected to the second connecting member 222, so that the arm assembly 10 is electrically connected. Connected to the rack main body 101. In this embodiment, the first connecting member 221, the second connecting member 222, the first engaging member 321 and the second engaging member 322 are all connected by a metal male head and a metal female connector. In one embodiment, as shown in FIG. 3 and FIG. 4, the first connecting member 221 and the second connecting member 222 are metal female ends, and the first engaging member 321 and the second engaging member 322 are metal male heads; another embodiment As shown in FIG. 5 and FIG. 6, the first connecting member 221 and the second connecting member 222 are metal males, and the first engaging member 321 and the second engaging member 322 are metal females.

Further, the electrical mating portion 3 further includes a connecting line 33 drawn from the connection base 31. The connecting line 33 respectively conducts the first mating member 321 and the control module and the second mating member 322 in the rack main body 101 and the control module in the rack main body 101.

In an embodiment, when the arm assembly 10 is electrically connected to the frame body 101, the current passing through the first connecting member 221 is greater than the current passing through the second connecting member 222, so that the first connecting member 221 can be electrically connected to the first connecting member 221. For relatively high power devices, the second connector 222 is electrically connected to a relatively small power device to meet the power consumption requirements of different power devices.

In the present embodiment, the arm assembly 10 further includes a signal indicator light 5 disposed on the arm body 1. The first connector 221 is electrically connected to the power component, and the second connector 222 is electrically connected to the signal indicator 5 to supply power and/or transmit control signals to the power component and the signal indicator lamp 5. When the first connecting member 221 and the second connecting member 222 are electrically connected to the electric mating portion 3, the control module in the rack main body 101 can control different driving force adjustments of the driving motor 41 in the power assembly to control different propellers. The speed can be used to control different flight states of the aircraft; the control module in the frame body 101 can also light the different colors according to the different flight states of the drone 100, so that the user can easily know the drone. The state of 100.

Further, the arm assembly 10 further includes a control circuit board (not shown) disposed in the arm body 1. The arm body 1 is correspondingly provided with a receiving cavity (not shown) for accommodating the control circuit board. The electrical connector 22 is electrically coupled to the power assembly and/or the signal indicator 5 via a control circuit board. Specifically, the arm assembly 10 is electrically connected to the frame body 101 through the electrical connector 22 and the electrical mating portion 3, so that the control module in the rack body 101 can be communicatively coupled to the control circuit board. The control circuit board can respectively control different driving forces of the driving motor 41 and the lighting or extinguishing of the signal indicator lamp 5 in the power component according to the control command of the control module.

As shown in FIG. 2 to FIG. 4, in an embodiment, the electrical connector 22 is located on the top or bottom surface of the connecting body 21. The first connecting member 221 and the second connecting member 222 of the present invention are both disposed on the top surface or the bottom surface of the connecting body 21, and the plurality of first connecting members 221 are distributed on the first ring, and the plurality of second connections are The pieces 222 are distributed over the second ring. The first ring and the second ring are concentric circles and the diameter of the first ring is larger than the diameter of the second ring. In this embodiment, the center of the first ring and the second ring is the axis of the connecting body 21, and the number of connectors on each ring can be set according to actual needs, and the connections on the same ring. Pieces are symmetrically distributed.

Further, in the first ring and the second ring, the first connecting member 221 and the second connecting member 222 are staggered with each other, so that space can be effectively saved, and the first connecting member 221 and the second connecting member 222 are enlarged. The impedance between. Correspondingly, the first fitting member 321 and the second fitting member 322 are arranged in the same manner as the first connecting member 221 and the second connecting member 222, so that the electric wires can be respectively matched. Sexual connection.

When the electrical connector 22 is electrically connected to the electrical mating portion 3, the contact area of the first connecting member 221 with the electrical mating portion 3 is greater than the contact area of the second connecting member 222 with the electrical mating portion 3, that is, the first connecting member 221 and The contact area of the first mating member 321 is greater than the contact area of the second connecting member 222 and the second mating member 322. In this embodiment, the circumference of the first ring is greater than the circumference of the second ring, so the size of the first connecting member 221 may be larger than the size of the second connecting member 222, so that the first connecting member 221 and The contact area of the first mating member 321 is greater than the contact area of the second connecting member 222 and the second mating member 322, so that the first connecting member 221 can be electrically connected to the high-power device, and the second connecting member 222 is electrically connected to the low-power device. .

As shown in FIGS. 5 and 6, in still another embodiment, the electrical connector 22 is located on the circumferential side of the connecting body 21. The first connecting member 221 and the second connecting member 222 are both plural and located on the circumferential side of the connecting body 21; wherein the plurality of first connecting members 221 and the second connecting members 222 are linearly arranged in the vertical direction. Correspondingly, the first fitting member 321 and the second fitting member 322 are arranged in the same manner as the first connecting member 221 and the second connecting member 222, so that the electric wires can be respectively matched. Sexual connection.

When the electrical connector 22 is electrically connected to the electrical mating portion 3, the contact area of the first connecting member 221 with the electrical mating portion 3 is greater than the contact area of the second connecting member 222 with the electrical mating portion 3, that is, the first connecting member 221 and The contact area of the first mating member 321 is greater than the contact area of the second connecting member 222 and the second mating member 322, so that the first connecting member 221 can be electrically connected to the high-power device, and the second connecting member 222 is electrically connected to the low-power device. .

The invention designs a novel circuit connection type arm assembly and a drone, and provides an electrical connection portion and an electric matching portion on the arm main body and the frame main body, so that when the arm main body is unfolded relative to the frame main body, The arm assembly is electrically connected to the frame body. When the arm body is folded relative to the frame body, the arm assembly is electrically disconnected from the frame body, thereby solving the problem that the conventional wire is prone to fatigue breakage. It effectively increases the service life of the folding arm in the drone.

It should be noted that, in this context, relational terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply such entities or operations. There is any such actual relationship or order between them. The terms "including", "comprising" or "comprising" or "comprising" are intended to include a non-exclusive inclusion, such that a process, method, article, or device that comprises a plurality of elements includes not only those elements but also other items not specifically listed Elements, or elements that are inherent to such a process, method, item, or device. An element that is defined by the phrase "comprising a ..." does not exclude the presence of additional equivalent elements in the process, method, item, or device that comprises the element.

The method and apparatus provided by the embodiments of the present invention are described in detail above. The principles and implementations of the present invention are described in the specific examples. The description of the above embodiments is only used to help understand the method of the present invention and At the same time, there will be changes in the specific embodiments and the scope of application according to the idea of the present invention, and the contents of the present specification should not be construed as limiting the present invention. .

Claims

An arm assembly that is rotatably coupled to a frame body of a drone, wherein the arm assembly includes: an arm body and an electrical connection portion and a power assembly disposed on the arm body, The electrical connection portion is located at a first end of the arm body connected to the frame body, and the power component is located at a second end of the arm body connected to the frame body;

Wherein, when the arm body is unfolded relative to the frame body, the electrical connection portion is electrically contacted with an electrical mating portion on the frame body such that the arm assembly and the frame body Electrical connection; when the arm body is folded relative to the frame body, the electrical connection portion is separated from the electrical mating portion to disconnect the arm assembly from the frame body.
The arm assembly according to claim 1, wherein the electrical connection portion comprises a connection body and an electrical connection member disposed on the connection body, the connection body being rotatably coupled to the frame body; The electrical connector is electrically connected to the electrical mating portion when the arm body is deployed relative to the frame body.
The arm assembly of claim 2 wherein said electrical connector is at least one of a metal male, a metal female or a metal contact.
The arm assembly according to claim 2, wherein the electrical connector is disposed on a top surface, a bottom surface or a circumferential side of the connecting body.
The arm assembly of claim 4, wherein the electrical connector comprises a first connector and a second connector, the first connector and the second connector for electrically connecting different functions respectively Module.
The arm assembly according to claim 5, wherein when the arm assembly is electrically connected to the frame body, the first connector passes a current greater than the current passed by the second connector.
The arm assembly of claim 5, wherein the arm assembly further comprises a signal indicator light disposed on the main body of the arm, the first connecting member being electrically connected to the power assembly, the The two connectors are electrically connected to the signal indicator.
The arm assembly according to claim 5, wherein the first connecting member and the second connecting member are both disposed on a top surface or a bottom surface of the connecting body, and the plurality of a connecting member is distributed on the first ring, and a plurality of the second connecting members are distributed on the second ring; wherein the first ring and the second ring are concentric and the first The diameter of the ring is larger than the diameter of the second ring.
The arm assembly according to claim 8, wherein in the first ring and the second ring, the first connecting member and the second connecting member are staggered with each other.
The arm assembly according to claim 5, wherein the first connecting member and the second connecting member are both disposed on a circumferential side of the connecting body; wherein the plurality of the first A connecting member and the second connecting member are linearly arranged in a vertical direction.
The arm assembly according to claim 8 or 10, wherein when the electrical connector is electrically connected to the electrical mating portion, a contact area of the first connector with the electrical mating portion is greater than a contact area of the second connecting member and the electrical mating portion.
The arm assembly according to claim 7, wherein said arm assembly further comprises a control circuit board disposed in said arm body, said electric connector passing said control circuit board and said power The components and / or signal indicators are electrically connected.
An unmanned aerial vehicle, comprising: a frame body and an arm assembly, the arm assembly being rotatably coupled to the frame body, the arm assembly comprising an arm body and being disposed on the arm An electrical connection portion and a power assembly on the main body, the electrical connection portion is located at a first end of the arm body connected to the frame body, and the power component is located at the arm body and connected to the frame body Second end

Wherein, when the arm body is unfolded relative to the frame body, the electrical connection portion is electrically contacted with an electrical mating portion on the frame body such that the arm assembly and the frame body Electrical connection; when the arm body is folded relative to the frame body, the electrical connection portion is separated from the electrical mating portion to disconnect the arm assembly from the frame body.
The drone according to claim 13, wherein the electrical connection portion comprises a connection body and an electrical connector provided on the connection body, the connection body being rotatably coupled to the frame body; The electrical mating portion includes an electrical fitting;

Wherein, when the arm body is deployed relative to the frame body, the electrical connector is electrically connected to the electrical fitting.
The drone according to claim 14, wherein said electrical connector is at least one of a metal male, a metal female or a metal contact.
The drone of claim 15 wherein said electrical mating portion is at least one of a metal female, male or metal contact that mates with an electrical connector.
The drone according to claim 14, wherein said electrical connector is provided on a top surface, a bottom surface or a circumferential side surface of said connecting body.
The drone according to claim 17, wherein said electrical connector comprises a first connector and a second connector, said first connector and said second connector being for electrically connecting different functions respectively Module.
The unmanned aerial vehicle of claim 18, wherein the electrical mating portion further comprises a connection base, the electrical mating member comprising a first mating member and a second mating member disposed on the connecting base ;

The first connecting member is electrically connected to the first mating member, and the second connecting member and the second mating member are electrically connected when the arm body is opposite to the rack body. connection.
The drone according to claim 19, wherein when said arm assembly is electrically connected to said frame body, said first connector passes a current greater than a current passed by said second connector.
The drone according to claim 19, wherein the arm assembly further comprises a signal indicator light disposed on the main body of the arm, the first connecting member being electrically connected to the power assembly, the second The connector is electrically connected to the signal indicator.
The drone according to claim 19, wherein the first connecting member and the second connecting member are both disposed on a top surface or a bottom surface of the connecting body, and the plurality of a connecting member is distributed on the first ring, and a plurality of the second connecting members are distributed on the second ring; wherein the first ring and the second ring are concentric and the first The diameter of the ring is larger than the diameter of the second ring.
The drone according to claim 22, wherein in said first ring and said second ring, said first connecting member and said second connecting member are staggered with each other.
The drone according to claim 19, wherein the first connecting member and the second connecting member are both disposed on a circumferential side of the connecting body; wherein the plurality of the first A connecting member and the second connecting member are linearly arranged in a vertical direction.
The UAV according to claim 22 or 24, wherein a contact area of the first connecting member and the first engaging member when the electrical connector is electrically connected to the electrical mating portion It is larger than a contact area of the second connecting member and the second mating member.
The drone according to claim 21, wherein said arm assembly further comprises a control circuit board disposed in said arm body, said electric connector passing said control circuit board and said power The components and / or signal indicators are electrically connected.
The drone according to claim 19, wherein the electrical mating portion further comprises a connecting line leading from the connecting base, the connecting line respectively conducting the first mating member and the machine a control module in the body of the frame and the second mating member and a control module in the frame body.