# Patent

## Title
Aerial vehicle and a signal line protection assembly thereof

## Abstract

A signal line protection assembly for an aerial vehicle includes a foot stand and a protection sleeve configured to receive a signal line. The foot stand includes a foot stand sleeve. At least a portion of the protection sleeve is received in the foot stand sleeve.

## Background
CROSS-REFERENCE TO RELATED APPLICATION
This is a continuation application of International Application No. PCT/CN2014/080845, filed on Jun. 26, 2014, the entire contents of which are incorporated herein by reference.


TECHNICAL FIELD
The present disclosure relates to an unmanned aerial vehicle (UAV), and more particularly, to an aerial vehicle and a signal line protection assembly thereof.
BACKGROUND
An unmanned aerial vehicle is supported on the ground by foot stands before it takes off. The flight of UAV completes after the foot stands touch the ground in landing. A plurality of signal lines are introduced since the foot stands may be provided with various components including propulsion systems, electronic speed controllers, etc. In conventional technologies, the signal lines are disposed along an exterior of the foot stands, making them vulnerable to damages from external environment.
SUMMARY
The present disclosure provides an aerial vehicle and a signal line protection assembly thereof to solve the problem in the existing technologies that a signal line is vulnerable to damages from external environment.
In accordance with the present disclosure, there is provided a signal line protection assembly for an aerial vehicle. The signal line protection assembly includes a foot stand and a protection sleeve configured to receive a signal line. The foot stand includes a foot stand sleeve. At least a portion of the protection sleeve is received in the foot stand sleeve.
In some embodiments, the foot stand sleeve includes a bearing member and a receiving portion. A first side of the bearing member is configured to bear a propulsion system for driving a rotor. The receiving portion is provided at a second side of the bearing member and configured to receive and fix the protection sleeve.
In some embodiments, the receiving portion is a first receiving portion provided at a first end of the second side of the bearing member. The foot stand sleeve further includes a second receiving portion provided at a second end of the second side of the bearing member.
In some embodiments, the protection sleeve is fixed to the receiving portion by glue provided at a position where the protection sleeve contacts the receiving portion.
In some embodiments, the protection sleeve includes a wire inlet configured to allow the signal line to enter the protection sleeve, and the bearing member includes a wire outlet at a position corresponding to an end of the protection sleeve and configured to allow the signal line to be led out of the protection sleeve.
In some embodiments, the foot stand includes an electronic speed controller compartment disposed below the bearing member and configured to receive an electronic speed controller of the aerial vehicle. The receiving portion of the foot stand sleeve is received in the electronic speed controller compartment, such that the protection sleeve is at least partially received in the electronic speed controller compartment.
In some embodiments, the foot stand comprises a lower cover below the electronic speed controller compartment. One end of the lower cover is connected with one end of the electronic speed controller compartment. The lower cover includes an antenna compartment configured to receive an antenna for receiving an external signal.
In some embodiments, the protection sleeve is configured to receive a data line and a power line for the electronic speed controller and a data line for the antenna.
In some embodiments, the foot stand further includes a shock absorber connected between another end of the electronic speed controller compartment and another end of the lower cover.
In some embodiments, one end of the shock absorber is inserted in a fixing portion of the electronic speed controller compartment and another end of the shock absorber is inserted in a fixing portion of the lower cover.
In some embodiments, the shock absorber includes a hydraulic damping shock absorber.
In some embodiments, the protection sleeve includes a carbon tube.
In some embodiments, the signal line protection assembly of claim 1 further includes a support member connected to the foot stand. The protection sleeve is completely received in the support member and the foot stand sleeve.
In some embodiments, the foot stand and the foot stand sleeve are first foot stand and first foot stand sleeve, respectively. The signal line protection assembly further includes a second foot stand including a second foot stand sleeve. One end of the protecting sleeve is received in the first foot stand sleeve and another end of the protecting sleeve is received in the second foot stand sleeve.
Also in accordance with the present disclosure, there is provided an aerial vehicle including a vehicle body, an arm extending from the vehicle body, a signal line protection assembly connected to the arm, and a signal line. The signal line protection assembly includes a foot stand and a protection sleeve. The foot stand includes a foot stand sleeve. At least a portion of the protection sleeve is received in the foot stand sleeve. The signal line is received in the protection sleeve.
In some embodiments, the aerial vehicle further includes a propulsion system configured to drive a rotor. The foot stand sleeve includes a bearing member and a receiving portion. A first side of the bearing member is configured to bear the propulsion system. The receiving portion is provided at a second side of the bearing member and configured to receive and fix the protection sleeve.
In some embodiments, the receiving portion is a first receiving portion provided at a first end of the second side of the bearing member. The foot stand sleeve further includes a second receiving portion provided at a second end of the second side of the bearing member.
In some embodiments, the protection sleeve is fixed to the receiving portion by glue provided at a position where the protection sleeve contacts the receiving portion.
In some embodiments, the protection sleeve includes a wire inlet configured to allow the signal line to enter the protection sleeve. The bearing member includes a wire outlet at a position corresponding to an end of the protection sleeve and configured to allow the signal line to be led out of the protection sleeve.
In some embodiments, the foot stand includes an electronic speed controller compartment disposed below the bearing member and configured to receive an electronic speed controller of the aerial vehicle. The receiving portion of the foot stand sleeve is received in the electronic speed controller compartment, such that the protection sleeve is at least partially received in the electronic speed controller compartment.
In some embodiments, the foot stand includes a lower cover below the electronic speed controller compartment. One end of the lower cover is connected with one end of the electronic speed controller compartment. The lower cover includes an antenna compartment configured to receive an antenna for receiving an external signal.
In some embodiments, the protection sleeve is configured to receive a data line and a power line for the electronic speed controller and a data line for the antenna.
In some embodiments, the foot stand further includes a shock absorber connected between another end of the electronic speed controller compartment and another end of the lower cover.
In some embodiments, one end of the shock absorber is inserted in a fixing portion of the electronic speed controller compartment and another end of the shock absorber is inserted in a fixing portion of the lower cover.
In some embodiments, the shock absorber includes a hydraulic damping shock absorber.
In some embodiments, the protection sleeve includes a carbon tube.
In some embodiments, the signal line protection assembly further includes a support member connected to the foot stand. The protection sleeve is completely received in the support member and the foot stand sleeve.
In some embodiments, the foot stand and the foot stand sleeve are first foot stand and first foot stand sleeve, respectively. The signal line protection assembly further includes a second foot stand including a second foot stand sleeve. One end of the protecting sleeve is received in the first foot stand sleeve and another end of the protecting sleeve is received in the second foot stand sleeve.
In some embodiments, the protection sleeve is joined to the arm and extends in a direction perpendicular to an extending direction of the arm.
As compared to the existing technologies, in the present disclosure, at least a portion of the protection sleeve is received in the foot stand sleeve, and the signal line is received in the protection sleeve, such that the signal line is at least partially received within the foot stand sleeve. The signal line is prevented from damages caused by external environment.



BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a diagram showing a structure of an aerial vehicle in accordance with an embodiment of the present disclosure;
FIG. 2 is an exploded view of a foot stand of FIG. 1;
FIG. 3 is a front view of a signal line protection assembly of FIG. 1;
FIG. 4 is a sectional view of a signal line protection assembly along line E-F in FIG. 3.



DETAILED DESCRIPTION OF EMBODIMENTS
Refer to FIGS. 1-4. FIG. 1 is a diagram showing a structure of an aerial vehicle in accordance with an embodiment of the present disclosure. FIG. 2 is an exploded view of a foot stand shown in FIG. 1. FIG. 3 is a front view of a signal line protection assembly shown in FIG. 1. FIG. 4 is a sectional view of a signal line protection assembly along line E-F in FIG. 3. As shown in FIG. 1, an aerial vehicle 10 according to the present disclosure comprises a vehicle body 11, at least two arms 12 extending from the vehicle body 11 and support members 13 each extending in a direction perpendicular to an extending direction of one of the arms 12. A rotor 14, a propulsion system 15 of the rotor 14 and a foot stand 16 are provided at each end of each of the support members 13.
In some embodiments, a signal line protection assembly 136 of the aerial vehicle 10 can comprise the support member 13 and the foot stand 16. In these embodiments, the support member 13 can also function as a protection sleeve 131. The protection sleeve 131 can be a carbon tube for receiving a signal line 100 therein.
Referring to FIGS. 2-4, the foot stand 16 comprises a foot stand sleeve 161 for bearing the rotor 14 and the propulsion system 15 that drives the rotor 14. A portion of the protection sleeve 131 can be received in the foot stand sleeve 161. The protection sleeve 131 receives the signal line 100 therein to prevent the signal line 100 from being damaged by external environment. In some embodiments, the signal line 100 is configured to transmit a driving signal to the propulsion system 15.
In some embodiments, since the signal line 100 is received in the protection sleeve 131, the signal line 100 can be effectively protected. Further, placing the signal line 100 in the protection sleeve 131 can save space.
In the embodiments described above, the support member 13 functions as the protection sleeve 131. In other embodiments, the protection sleeve 131 can be provided as a component separate from the support member 13. In these embodiments, the protection sleeve 131 can be entirely received in the support member 13 and the foot stand sleeve 161.
In some embodiments, the foot stand sleeve 161 can comprise a bearing member 162 and a receiving portion 163. A first side of the bearing member 162 is configured to bear the rotor 14 and the propulsion system 15. The receiving portion 163 is provided at a second side, e.g., the side opposite the first side, of the bearing member 162 for receiving and fixing the protection sleeve 131. In some instances, at least two receiving portions 163 can be provided to securely fix the protection sleeve 131. The receiving portions 163 can be provided at two ends of the second side of the bearing member 162, respectively.
In some instances, glue can be provided at a position where the protection sleeve 131 contacts the receiving portion 163 so as to further fix the protection sleeve 131. In some embodiments, glue can also be provided at the second side of the bearing member 162 to further fix the protection sleeve 131. As compared to conventional structures in which screws and the like are employed, the weight of apparatus is reduced by fixing the protection sleeve 131 using the receiving portion 163 and the glue.
The embodiment shown in FIG. 1 is a quad-rotor aerial vehicle, which comprises two supports 13 and four foot stands 16. The four foot stands 16 are respectively provided at two ends of each of the two supports 13. According to the present disclosure, each support member 13 and two corresponding foot stands 16 constitute one signal line protection assembly. In the present disclosure, description is made with respect to such one signal line protection assembly, but it should be noted that the description also applies to the other signal line protection assembly. As shown in FIGS. 2-4, the two ends of the protection sleeve 131 correspond to and are received in the foot stand sleeves 161 of the two foot stands 16, respectively. In some instances, as described above, each foot stand sleeve 161 includes two receiving portions 163 provided at two ends of the foot stand sleeve 161, respectively. Each end of the protection sleeve 131 is inserted into the receiving portion 163 at one end of the corresponding foot stand sleeve 161 and reaches the receiving portion 163 at the other end of the corresponding foot stand sleeve 161.
The protection sleeve 131 is provided with a wire inlet 200. The bearing member 162 of the foot stand sleeve 161 is provided with a wire outlet 300 at a position corresponding to the end of the protection sleeve 131. The signal line 100 can be routed through the protection sleeve 131 from the wire inlet 200 to the end of the protection sleeve 131, and further led out to the propulsion system 15 through the wire outlet 300.
In some embodiments, the wire inlet 200 of the protection sleeve 131 is provided at a joint of the support member 13 and the arm 12.
In some embodiments, as shown in the figures, the foot stand 16 can be provided with an electronic speed controller compartment 164 for receiving an electronic speed controller 165 of the aerial vehicle 10. The electronic speed controller 165 controls a rotating speed of a motor of the propulsion system 15 by varying voltage. The bearing member 162 of the foot stand sleeve 161 can be disposed on the electronic speed controller compartment 164, and the receiving portion 163 of the foot stand sleeve 161 can be received in the electronic speed controller compartment 164, such that the protection sleeve 131 can be received in the electronic speed controller compartment 164 to save space.
The foot stand 16 can further comprise a lower cover 166 below the electronic speed controller compartment 164. A first end of the lower cover 166 is connected with a first end of the electronic speed controller compartment 164. The lower cover 166 can be provided with an antenna compartment 167 configured to receive an antenna for receiving an external signal. The antenna compartment 167 can prevent the antenna from damages caused by the external environment. In some embodiments, the antenna comprises an antenna for image transmission.
In some embodiments, the signal line 100 can comprise a power line and a data line for the electronic speed controller 165 and a data line for a control antenna. That is, the protection sleeve 131 can receive therein the power line and the data line for the electronic speed controller 165 and the data line for the control antenna.
The foot stand 16 can further comprise a shock absorber 168. The shock absorber 168 can be connected between a second end of the electronic speed controller compartment 164 and a second end of the lower cover 166. The shock absorber 168, the electronic speed controller compartment 164, and the lower cover 166 form a triangular structure. In some instances, the second end of the electronic speed controller compartment 164 is provided with a fixing portion 1641, and the second end of the lower cover 166 is provided with another fixing portion 1661. The two ends of the shock absorber 168 are inserted in a sleeve structure of the fixing portion 1641 and a sleeve structure of the fixing portion 1661, respectively. The shock absorber 168 can be a hydraulic damping shock absorber.
According to the present disclosure, the signal line and the antenna can be effectively protected by being received in the protection sleeve and the antenna compartment, respectively.
A weight of the aerial vehicle can be effectively reduced by fixing the protection sleeve and the foot stand sleeve using glue.
While embodiments of the present disclosure have been shown and described above, it will be appreciated by those of ordinary skill in the art that the scope of the disclosure is not be limited thereto. It is intended that any equivalent modifications or variations made by those of ordinary skill in the art to the disclosure be within the scope of the invention as defined in the following claims.

## Claims

1. A signal line protection assembly connecting to a body of an aerial vehicle, comprising:
a foot stand including:
a foot stand sleeve;
a shock absorber including a hydraulic damping shock absorber; and
a protection sleeve configured to receive a signal line,
wherein:
the protection sleeve and the foot stand sleeve are separate structures,
the protection sleeve is connected between the body and the foot stand sleeve, and
at least a portion of the protection sleeve away from the body is received in the foot stand sleeve.

2. The signal line protection assembly of claim 1, wherein the foot stand sleeve comprises:
a bearing member, a first side of the bearing member being configured to bear a propulsion system for driving a rotor; and
a receiving portion provided at a second side of the bearing member and configured to receive and fix the protection sleeve.

3. The signal line protection assembly of claim 2, wherein:
the receiving portion is a first receiving portion provided at a first end of the second side of the bearing member, and
the foot stand sleeve further includes a second receiving portion provided at a second end of the second side of the bearing member.

4. The signal line protection assembly of claim 2, wherein the protection sleeve is fixed to the receiving portion by glue provided at a position where the protection sleeve contacts the receiving portion.

5. The signal line protection assembly of claim 2, wherein:
the protection sleeve includes a wire inlet configured to allow the signal line to enter the protection sleeve, and
the bearing member includes a wire outlet at a position corresponding to an end of the protection sleeve and configured to allow the signal line to be led out of the protection sleeve.

6. The signal line protection assembly of claim 2, wherein the foot stand includes an electronic speed controller compartment disposed below the bearing member and configured to receive an electronic speed controller of the aerial vehicle, the receiving portion of the foot stand sleeve being received in the electronic speed controller compartment, such that the protection sleeve is at least partially received in the electronic speed controller compartment.

7. The signal line protection assembly of claim 6, wherein the foot stand comprises a lower cover below the electronic speed controller compartment, one end of the lower cover being connected with one end of the electronic speed controller compartment, the lower cover including an antenna compartment configured to receive an antenna for receiving an external signal.

8. The signal line protection assembly of claim 7, wherein the protection sleeve is configured to receive a data line and a power line for the electronic speed controller and a data line for the antenna.

9. The signal line protection assembly of claim 7, wherein the shock absorber is connected between another end of the electronic speed controller compartment and another end of the lower cover.

10. The signal line protection assembly of claim 9, wherein one end of the shock absorber is inserted in a fixing portion of the electronic speed controller compartment and another end of the shock absorber is inserted in a fixing portion of the lower cover.

11. The signal line protection assembly of claim 1, wherein the protection sleeve includes a carbon tube.

12. The signal line protection assembly of claim 1, further comprising:
a support member connected to the foot stand,
wherein the protection sleeve is completely received in the support member and the foot stand sleeve.

13. The signal line protection assembly of claim 1,
wherein the foot stand and the foot stand sleeve are first foot stand and first foot stand sleeve, respectively,
the signal line protection assembly further comprising:
a second foot stand including a second foot stand sleeve,
wherein one end of the protecting sleeve is received in the first foot stand sleeve and another end of the protecting sleeve is received in the second foot stand sleeve.

14. An aerial vehicle, comprising:
a vehicle body;
an arm extending from the vehicle body;
a signal line protection assembly connected to the vehicle body through the arm, the signal line protection assembly comprising:
a foot stand including:
a foot stand sleeve;
a shock absorber including a hydraulic damping shock absorber; and

a protection sleeve,
wherein:
the protection sleeve and the foot stand sleeve are separate structures,
the protection sleeve is connected between the body and the foot stand sleeve, and
at least a portion of the protection sleeve away from the body is received in the foot stand sleeve; and


a signal line received in the protection sleeve.

15. The aerial vehicle of claim 14, further comprising:
a propulsion system configured to drive a rotor,
wherein the foot stand sleeve comprises:
a bearing member, a first side of the bearing member being configured to bear the propulsion system; and
a receiving portion provided at a second side of the bearing member and configured to receive and fix the protection sleeve.

16. The aerial vehicle of claim 15, wherein:
the receiving portion is a first receiving portion provided at a first end of the second side of the bearing member, and
the foot stand sleeve further includes a second receiving portion provided at a second end of the second side of the bearing member.

17. The aerial vehicle of claim 15, wherein the protection sleeve is fixed to the receiving portion by glue provided at a position where the protection sleeve contacts the receiving portion.

18. The aerial vehicle of claim 15, wherein:
the protection sleeve includes a wire inlet configured to allow the signal line to enter the protection sleeve, and
the bearing member includes a wire outlet at a position corresponding to an end of the protection sleeve and configured to allow the signal line to be led out of the protection sleeve.

19. The aerial vehicle of claim 15, wherein the foot stand includes an electronic speed controller compartment disposed below the bearing member and configured to receive an electronic speed controller of the aerial vehicle, the receiving portion of the foot stand sleeve being received in the electronic speed controller compartment, such that the protection sleeve is at least partially received in the electronic speed controller compartment.

20. The aerial vehicle of claim 19, wherein the foot stand comprises a lower cover below the electronic speed controller compartment, one end of the lower cover being connected with one end of the electronic speed controller compartment, the lower cover including an antenna compartment configured to receive an antenna for receiving an external signal.

21. The aerial vehicle of claim 20, wherein the protection sleeve is configured to receive a data line and a power line for the electronic speed controller and a data line for the antenna.

22. The aerial vehicle of claim 20, wherein the shock absorber is connected between another end of the electronic speed controller compartment and another end of the lower cover.

23. The aerial vehicle of claim 22, wherein one end of the shock absorber is inserted in a fixing portion of the electronic speed controller compartment and another end of the shock absorber is inserted in a fixing portion of the lower cover.

24. The aerial vehicle of claim 14, wherein the protection sleeve includes a carbon tube.

25. The aerial vehicle of claim 14, wherein:
the signal line protection assembly further includes a support member connected to the foot stand, and
the protection sleeve is completely received in the support member and the foot stand sleeve.

26. The aerial vehicle of claim 14, wherein:
the foot stand and the foot stand sleeve are first foot stand and first foot stand sleeve, respectively, and
the signal line protection assembly further comprises:
a second foot stand including a second foot stand sleeve,
wherein one end of the protecting sleeve is received in the first foot stand sleeve and another end of the protecting sleeve is received in the second foot stand sleeve.

27. The aerial vehicle of claim 14, wherein the protection sleeve is joined to the arm and extends in a direction perpendicular to an extending direction of the arm.