CN110896621A

CN110896621A - Unmanned vehicles and horn thereof

Info

Publication number: CN110896621A
Application number: CN201880017075.7A
Authority: CN
Inventors: 徐振华; 熊荣明; 唐尹
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2018-06-26
Filing date: 2018-09-11
Publication date: 2020-03-20
Also published as: CN208377065U; WO2020000658A1

Abstract

An unmanned aerial vehicle (10) and an arm (100) thereof, the arm (100) of the unmanned aerial vehicle (10) comprising: the unmanned aerial vehicle comprises a main body (110), a foot rest (120) is arranged at the front end of the main body (110), a cavity is formed in the foot rest (120), a circuit board (130) is used for welding wires (20) and is electrically connected with the wires (20), the circuit board (130) is contained in the cavity of the foot rest (120), a support (140) is detachably and fixedly connected with the circuit board (130) and is used for supporting the wires (20), and the unmanned aerial vehicle (10) and a horn (100) of the unmanned aerial vehicle can ensure that the wires (20) are arranged consistently through the support (140).

Description

Unmanned vehicles and horn thereof

Technical Field

The invention relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle and a horn thereof.

Background

In order to guarantee the flight safety of the unmanned aerial vehicle, the transmission of signals needs to be guaranteed through a high-performance antenna, and the longer the flight distance of the unmanned aerial vehicle is, the higher the performance requirement on the antenna is.

For the antenna performance of the mass production unmanned aerial vehicle, the consistency of the wire arrangement of the antenna wire has a great influence on the performance of the antenna. The traditional mode is that one end of the antenna is fixed on the circuit board through welding, but because the wire rod of the antenna is longer, the antenna is easy to bend and deform in the wiring process, and the trend of the antenna is easy to change, so that the performance of the antenna of the unmanned aerial vehicle can be seriously influenced. In addition, in the flight process of the unmanned aerial vehicle, the unmanned aerial vehicle can greatly shake, the antenna freely falls on the antenna plate and is also easy to shake, the antenna wiring is possibly disordered, and the signal quality of the unmanned aerial vehicle is reduced.

Disclosure of Invention

The invention aims to provide an unmanned aerial vehicle and a horn thereof, wherein the unmanned aerial vehicle can ensure the wire routing consistency.

An unmanned aerial vehicle horn comprising:

a main body;

the foot rest is arranged at the front end of the main body, and a cavity is formed in the foot rest;

the circuit board is used for welding wires and is electrically connected with the wires, and the circuit board is accommodated in the cavity of the foot rest; and

and the bracket is detachably and fixedly connected with the circuit board and is used for supporting the wire.

An unmanned aerial vehicle comprising:

a central body provided with a flight control system; and

a plurality of said horn, said horn being fixedly attached to said central body;

wherein the wire is guided from the circuit board through the bracket, through the horn, and electrically connected to the flight control system.

In the above-described unmanned aerial vehicle horn, the wire is supported by a bracket. The support plays a guiding role in the direction of the wire, the wire is ensured to be in the same wiring mode in the foot rest, and the consistency of the antenna signal quality of the unmanned aerial vehicle is kept.

And, at the in-process of unmanned vehicles flight, the wire rod is supported by the support, makes to have certain distance between wire rod and the circuit board, and the wire rod can not be rocked along with unmanned vehicles makes a round trip, avoids touching the components and parts on the circuit board, also avoids the wire rod to rock the breaking spot making a round trip, influences the stable connection of wire rod.

Drawings

Fig. 1 is a schematic structural view of the unmanned aerial vehicle of the embodiment;

FIG. 2 is a perspective view of an arm of the UAV of FIG. 1;

FIG. 3 is an exploded view of the horn of the UAV of FIG. 2;

fig. 4 is an exploded view of the foot rest according to fig. 3;

FIG. 5 is a schematic diagram of an assembled structure of the bracket and the circuit board shown in FIG. 3;

fig. 6 is a schematic structural view of the bracket and the circuit board shown in fig. 5 at another angle after assembly.

The reference numerals are explained below: 10. an unmanned aerial vehicle; 11. a central body; 12. a power plant; 100. a horn; 110. a main body; 111. a front end; 112. a back end; 120. a foot rest; 121. a card slot; 123. a rib is protruded; 130. a circuit board; 140. a support; 141. a fixed part; 1411. a bending section; 142. a support portion; 1421. buckling; 1422. pressing and buckling; 1423. a return bend; 1424. a guide portion; 1425. a limiting convex edge; 1426. a protrusion; 20. and (3) wire rods.

Detailed Description

While this invention is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated.

Thus, a feature indicated in this specification will serve to explain one of the features of one embodiment of the invention, and does not imply that every embodiment of the invention must have the stated feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.

In the embodiments shown in the drawings, directional references (such as upper, lower, left, right, front and rear) are used to explain the structure and movement of the various elements of the invention not absolutely, but relatively. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.

The preferred embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

Referring to fig. 1, the present invention provides an unmanned aerial vehicle and a horn thereof.

The unmanned aerial vehicle 10 of the present embodiment includes a central body 11, a plurality of horn 100, and a plurality of power units 12.

The central body 11 is provided with a flight control system. A plurality of horn 100 are respectively disposed around the central body 11. The plurality of power units 12 are provided on the plurality of arms 100, respectively. The horn 100 forms a threading channel for the wire 20 to pass through, the wire 20 being able to pass through the horn threading channel from the central body 11 to be electrically connected with said power means 12. Accordingly, the wire 20 is guided from the flight control system in the center body 11 to the power unit 12 via the horn 100, and electrically connects the flight control system and the power unit 12.

Referring to fig. 2 and 3, the horn 100 of the unmanned aerial vehicle includes a main body 110, a foot stand 120, a circuit board 130, and a bracket 140.

The body 110 is tubular. The main body 110 is divided in its axial direction into a front end 111 for carrying the power unit 12 and a rear end 112 for connecting the central body 11. The wire 20 can be led out from the central body 11, threaded from the rear end of the main body 110, to the front end of the main body 110 to be electrically connected to the power unit 12.

It is understood that the wire 20 may be a lead wire of a motor of the power plant 12, or may be an antenna. Specifically, in the present embodiment, the wire 20 is described by taking an antenna as an example. The antenna is guided from the circuit board 130 through the bracket 140 and electrically connected to the flight control system through the horn 100.

The stand 120 is provided at the front end of the body 110. The foot stool 120 has a cavity therein. The cavity inside the foot 120 may be used to house the circuit board 130, the bracket 140, and the wires 20.

The circuit board 130 is used for soldering the wires 20, and is electrically connected with the wires 20. The circuit board 130 is received in the cavity of the stand 120. Referring to fig. 4, in the present embodiment, the circuit board 130 is connected to the inner sidewall of the stand 120 in a clamping manner. The inner side wall of the foot rest 120 is provided with a clamping groove. The shape of the card slot is matched with the shape and thickness of the circuit board 130, so that the circuit board 130 can be clamped in the card slot.

Specifically, in the present embodiment, two opposite inner sidewalls of the stand 120 are respectively provided with a slot 121, and two sides of the circuit board 130 are respectively engaged with the slots 121. In addition, a rib 123 for supporting the circuit board 130 is further disposed on the inner sidewall of the foot stand 120. The card slot 121 limits the circuit board 130 from both sides of the circuit board 130, and the rib 123 limits the circuit board 130 from above the circuit board 130, so that the circuit board 130 can be stably fixed in the stand 120.

It can be understood that a mutually matched buckle or a clamping groove can be arranged between the circuit board 130 and the foot stand 120, and the circuit board 130 and the foot stand 120 can be also detachably connected.

The bracket 140 is detachably fixedly coupled to the circuit board 130. Referring to fig. 5 and 6, the bracket 140 may function to support the wire 20. The bracket 140 supports the wire 20, and keeps a certain distance between the wire 20 and the circuit board 130, so as to prevent the wire 20 from being attached to the circuit board 130 and causing the circuit board 130 to shake. In the flight process of the unmanned aerial vehicle 10, the support 140 limits the routing of the wires, and can prevent the wires 20 from shaking back and forth, so as to prevent the welding points of the wires 20 connected with the circuit board 130 from being damaged or broken, and ensure that the wires 20 are stably connected with the circuit board 130. Moreover, the support 140 guides the direction of the wire 20, so as to ensure that the wire 20 is routed in the foot rest 120 in a consistent manner, and keep the consistency of the antenna signal quality of the unmanned aerial vehicle. When the wire 20 is an antenna, the antenna is kept fixed on the bracket 140, so that the quality of signals received and transmitted by the antenna can be ensured.

Specifically, in the present embodiment, the bracket 140 includes a fixing portion 141 and a supporting portion 142. The supporting portion 142 is protruded from one end of the fixing portion 141. The fixing portion 141 is attached to the circuit board 130.

The fixing portion 141 has a plate-like structure. The fixing portion 141 is detachably connected to the circuit board 130. Specifically, in the present embodiment, the fixing portion 141 and the circuit board 130 are connected by heat fusion, adhesion, or the like.

Further, a bent portion 1411 is provided at one end of the fixing portion 141. The bent portion 1411 abuts against an end surface of the circuit board 130, so that the fixing portion 141 can be connected to the circuit board 130 more stably. It is understood that the bending portion 1411 may also be a snap structure, and the snap is engaged with the edge of the circuit board 130.

The supporting portion 142 is used for supporting the wire 20 and plays a role of limiting the routing direction. Specifically, the supporting portion 142 protrudes obliquely from one end of the fixing portion 141. The supporting portion 142 diagonally supports the antenna on the circuit board 130. Therefore, even at unmanned aerial vehicle batch production's in-process, the trend and the position of antenna also can keep unanimous, and unmanned aerial vehicle's signal quality is unanimous, guarantees the yield of unmanned aerial vehicle production.

The support 142 is provided with a catch 1421 for clipping the wire 20. The catch 1421 includes a plurality of pieces. The plurality of latches 1421 are disposed oppositely and/or alternately. The plurality of catches 1421 are disposed along the extending direction of the wire 20 to fix a longer length of the wire 20, ensuring that the wire 20 is stably fixed on the supporting portion 142.

The catch 1421 includes a press catch 1422. The press button 1422 is provided with a bent back portion 1423, and the bent back portion 1423 is used for holding the hoop wire 20. The bent portion 1423 of the pressing buckle 1422 presses the wire 20 from above the wire 20, so as to prevent the wire 20 from being separated from the two opposite buckles 1421, and thus the fixed support of the wire 20 is not affected.

The carrier 140 also includes guides 1424. The guide part 1424 is disposed on the support part 142 and is disposed along the extending direction of the support part 142. Specifically, the guide part 1424 is disposed on one side of the supporting part 142 close to the fixing part 141. The guide part 1424 is provided along the extending direction of the antenna. The guide part 1424 guides the antenna to move on the support 142, so that the antenna is disposed on the support 142 along the guide part 1424 from the circuit board 130.

Specifically, in the present embodiment, the guide part 1424 is a guide ledge provided on one side of the support part 142. The guide convex edge can be abutted against the wire rod, so that the guide function can be achieved. It will be appreciated that guide 1424 may also be configured as a catheter, guide channel, or the like.

One side of the supporting portion 142 is provided with a limiting protruding edge 1425. The latch 1421 is disposed on the other side of the supporting portion 142. The limiting protrusion 1425 extends along the extending direction of the supporting portion 142. The stop ledge 1425 is disposed opposite the guide ledge. The position-limiting ledge 1425 and the guiding ledge face each other to form a slot for holding the antenna. And the stop ledge 1425 extends all the way to the opposite side of the catch 1421. Therefore, the limiting ledge 1425 and the buckle 1421 respectively limit the position of the wire 20 on two sides of the wire 20.

In this embodiment, the length of the limiting protrusion 1425 is the same as the length of the supporting portion 142, that is, the limiting protrusion 1425 penetrates the entire surface of the supporting portion 142. And, be equipped with arch 1426 on the inside wall of spacing protruding edge 1425, arch 1426 further restricts wire rod 20.

It is understood that the stop ledge 1425 may be less than the length of the support 142. Alternatively, the limiting ledge 1425 is formed by a plurality of intermittently arranged ledges.

Moreover, the buckle 1421 may be omitted, and the wire 20 may be fixed on the supporting portion 142 by the guiding protruding edge and the limiting protruding edge 1425 respectively located at two opposite sides of the supporting portion 142. Or, the inner side walls of the guiding convex edge and the limiting convex edge 1425 are both provided with protrusions 1426 to limit the wires 20.

In other embodiments, the supporting portion 142 may be further provided with a binding band, and the wire 20 may be detachably fixed to the supporting portion 142 by the binding band.

The horn of the unmanned aerial vehicle fixes the wire 20 by clamping through the buckle 1421, the guide part 1424 and the limiting ledge 1425 on the bracket 140. In the operation process, only need press wire rod 20 a little, can be with wire rod 20 spacing on supporting part 142, easy operation is convenient, improves the fixed wire rod 20's of arrangement efficiency.

The horn of above-mentioned unmanned vehicles can concentrate and arrange the installation with wire rod 20, can correspond the position that sets up support 140 according to the wiring design of circuit board 130, is favorable to circuit board 130 to rationally utilize the space, is convenient for carry out reasonable wiring to wire rod 20. The bracket 140 is used on the unmanned aerial vehicle, so that the wires can be prevented from being bent and deformed in the wiring process, and the antenna performance of the unmanned aerial vehicle cannot be influenced. Even if unmanned vehicles can take place great rocking at flight in-process or transportation, the wire rod can not freely rock yet, arouses to walk the line confusion, more can not touch influence circuit board, has guaranteed unmanned vehicles's signal quality, has further improved unmanned vehicles's flight safety and flying distance.

While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims

1. An unmanned aerial vehicle horn, comprising:

a main body;

2. The UAV horn according to claim 1, wherein the circuit board is engaged with an inner sidewall of the foot frame.

3. The unmanned aerial vehicle's horn of claim 2, wherein there is a slot on the inside wall of the foot rest, and the circuit board is connected with the slot in a snap fit manner.

4. The unmanned aerial vehicle's horn of claim 2, wherein the foot rest has slots on two opposite inner sidewalls, and two sides of the circuit board are respectively engaged in the slots.

5. The unmanned aerial vehicle's horn of claim 4, wherein the foot rest is further provided with a rib on an inner side wall thereof for abutting against the circuit board.

6. The unmanned aerial vehicle's horn of claim 1, wherein the support includes a fixed portion and a supporting portion, the supporting portion is convexly disposed at one end of the fixed portion, the fixed portion is attached to the circuit board, and the supporting portion is configured to support the wire to limit a direction of routing.

7. The UAV horn according to claim 6 wherein the support portion is provided with a snap for clipping the wire.

8. The UAV horn according to claim 7 wherein the plurality of buckles are provided in a plurality, wherein the plurality of buckles are arranged in an opposing and/or staggered manner.

9. The UAV horn of claim 7 wherein the buckle comprises a press buckle with a return bend for looping the wire.

10. The horn of claim 6, wherein the bracket further comprises a guide portion provided on the support portion and provided along an extending direction of the support portion.

11. The UAV arm according to claim 7, wherein a limiting convex edge is provided on one side of the support part, the limiting convex edge extends along the extending direction of the support part, the buckle is provided on the other side of the support part, and the limiting convex edge and the buckle are respectively limited on two sides of the wire.

12. The UAV horn of claim 6 wherein the fixing portion is removably attached to the circuit board.

13. The UAV arm according to claim 6, wherein the fixing portion has a bent portion at one end, and the bent portion abuts against an end surface of the circuit board.

14. An unmanned aerial vehicle, comprising:

a central body provided with a flight control system; and

the machine arms comprise a main body, foot rests arranged at the front ends of the main body, cavities are formed in the foot rests and used for welding circuit boards of wires, the circuit boards are electrically connected with the wires, the circuit boards are contained in the cavities of the foot rests, and brackets are detachably and fixedly connected with the circuit boards and used for supporting the wires, and the machine arms are fixedly connected with the central body;

15. The UAV of claim 14 wherein the circuit board is snap-fit to an inner sidewall of the foot rest.

16. The unmanned aerial vehicle of claim 15, wherein a slot is provided on an inner side wall of the foot rest, and the circuit board is connected with the slot in a clamping manner.

17. The unmanned aerial vehicle of claim 15, wherein two opposite inner side walls of the foot rest are provided with a clamping groove, and two sides of the circuit board are respectively clamped in the clamping grooves.

18. The unmanned aerial vehicle of claim 17, wherein a rib for supporting the circuit board is further provided on an inner side wall of the foot rest.

19. The unmanned aerial vehicle of claim 14, wherein the bracket comprises a fixing portion and a supporting portion, the supporting portion is protruded from one end of the fixing portion, the fixing portion is attached to the circuit board, and the supporting portion is configured to support the wire and limit a routing direction.

20. The UAV according to claim 19 wherein the support portion is provided with a snap for a clip wire.

21. The UAV according to claim 20 wherein the number of clasps is multiple, wherein the plurality of clasps are arranged oppositely and/or staggered.

22. The UAV of claim 20 wherein the buckle comprises a press buckle with a return bend for looping the wire.

23. The UAV according to claim 19 wherein the bracket further comprises a guide portion disposed on the support portion and along an extension direction of the support portion.

24. The unmanned aerial vehicle of claim 20, wherein one side of the support portion is provided with a limiting convex edge, the limiting convex edge extends along the extending direction of the support portion, the buckle is arranged on the other side of the support portion, and the limiting convex edge and the buckle are respectively limited on two sides of the wire.

25. The UAV of claim 19 wherein the fixing portion is removably coupled to the circuit board.

26. The UAV of claim 19 wherein one end of the fixing portion is provided with a bent portion, and the bent portion abuts against an end surface of the circuit board.