Device and method for use with unmanned aerial vehicles

• US 9,481,458 B2
• Filed: 04/29/2014
• Issued: 11/01/2016
• Est. Priority Date: 04/29/2013
• Status: Active Grant

• Current Assignee: The Boeing Co.
• Original Assignee: The Boeing Co.
• Inventors: Casado Magaa, Enrique Juan, Esteban-Campillo, David, Scarlatti Jimnez, David, Maza, Ivan, Caballero, Fernando
• Primary Examiner(s): Bonzell, Philip J
• Application Number:
  US14/264,636
• Publication Number:
  US 20140319272A1
• Time in Patent Office: 917 Days
• Field of Search: 414/396, 414/401, 320/109
• US Class Current: 1/1
• CPC Class Codes: B60L 2200/10 Air crafts
• CPC Class Codes: B60L 2220/42 with use of more than one motor
• CPC Class Codes: B60L 3/0046 relating to electric energy storage systems, e.g. batteries or capacitors
• CPC Class Codes: B60L 3/12 Recording operating variables ; Monitoring of operating variables
• CPC Class Codes: B60L 50/52 characterised by DC-motors
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/30 Constructional details of charging stations
• CPC Class Codes: B60L 53/80 Exchanging energy storage elements, e.g. removable batteries
• CPC Class Codes: B60L 58/10 for monitoring or controlling batteries
• CPC Class Codes: B64C 39/024 of the remote controlled vehicle type, i.e. RPV
• CPC Class Codes: B64F 1/04 for launching aircraft
• CPC Class Codes: B64U 10/13 Flying platforms
• CPC Class Codes: B64U 10/14 with four distinct rotor axes, e.g. quadcopters
• CPC Class Codes: B64U 50/19 using electrically powered motors
• CPC Class Codes: B64U 50/34 In-flight charging photovoltaics B64U50/31
• CPC Class Codes: B64U 50/39 Battery swapping
• CPC Class Codes: B64U 60/60 with rolling cages
• CPC Class Codes: B64U 70/00 Launching, take-off or landing arrangements
• CPC Class Codes: B64U 80/00 Transport or storage specially adapted for UAVs
• CPC Class Codes: B64U 80/10 with means for moving the UAV to a supply or launch location, e.g. robotic arms or carousels
• CPC Class Codes: B64U 80/25 : for recharging batteries; for refuelling
• CPC Class Codes: Y02T 10/64 : Electric machine technologies in electromobility
• CPC Class Codes: Y02T 10/70 : Energy storage systems for electromobility, e.g. batteries
• CPC Class Codes: Y02T 10/7072 : Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• CPC Class Codes: Y02T 90/12 : Electric charging stations
• CPC Class Codes: Y02T 90/14 : Plug-in electric vehicles

Abstract

An autonomous battery replacement station for an unmanned aerial vehicle (UAV) is provided. The UAV includes a replaceable battery. The station includes (a) a landing platform configured to receive the UAV, (b) a storage location configured to store a replacement battery for the UAV, and (c) a means for swapping the replaceable battery on the UAV with a replacement battery from the storage location.

Claims

1. An autonomous battery replacement station for an unmanned aerial vehicle (UAV), the UAV having a replaceable battery, said station comprising:

(a) a landing platform configured to receive the UAV, said landing platform comprising a first edge and an opposite second edge;

(b) a conveyor belt positioned adjacent said first edge of said landing platform, said conveyor belt extending from a first end to a second end, said conveyor belt configured to receive the UAV from said landing platform;

(c) a storage location configured to store a replacement battery for the UAV, said storage location proximate said first end of said conveyor belt;

(d) a moveable member operable to sweep across said landing platform from proximate said second edge to proximate said first edge such that the UAV is delivered from said landing platform to said conveyor belt; and

(e) a means for selectively retaining the UAV proximate said second end of said conveyor belt during operation of said conveyor belt.

2. The station of claim 1, further comprising a driving means operable to drive said moveable member such that said moveable member urges the UAV across said landing area such that the UAV is received by said conveyor belt.

3. The station of claim 1, wherein said conveyor belt is selectively operable in each of a first direction and an opposite second direction.

4. The station of claim 3, wherein said conveyor belt is operable in the first direction to transport the replacement battery from said storage location to proximate said second end of said conveyor belt.

5. The station of claim 3, wherein said conveyor belt is operable in the first direction to transport the received UAV to proximate said second end of said conveyor belt.

6. The station of claim 3, wherein said

conveyor belt is operable in the second direction to transport the replaceable battery removed from the UAV from proximate said second end of said conveyor belt to said storage location.

7. The station of claim 1, wherein the UAV comprises at least one projection, said moveable member is further configured to engage with the at least one projection to align the UAV in a predetermined UAV orientation with respect to said landing platform when said moveable member sweeps across said landing platform from proximate said second edge to proximate said first edge.

8. The station of claim 7, wherein said means for selectively retaining the UAV proximate said second end of said conveyor belt is configured to maintain the UAV in the predetermined UAV orientation.

9. The station of claim 1, wherein said means for swapping the replaceable battery with the replacement battery comprises:

(i) a means for determining that the UAV is located proximate said second end of said conveyor belt;

(ii) a means for causing the replaceable battery to disengage from the UAV while the UAV is located proximate said second end of said conveyor belt; and

(iii) a means for causing the replacement battery to engage with the UAV.

10. The station of claim 9, wherein the replaceable battery is engageable with the UAV by at least one permanent magnet, and wherein said means for causing the replaceable battery to disengage from the UAV comprises an electromagnet configured to overcome a magnetic attractive force generated by the at least one permanent magnet.

11. An autonomous battery replacement system for an unmanned aerial vehicle (UAV), the UAV having a replaceable battery, said battery replacement system comprising:

(a) a landing platform configured to receive the UAV, said landing platform comprising a first edge and an opposite second edge;

(b) a conveyor belt positioned adjacent said first edge of said landing platform, said conveyor belt configured to receive the UAV from said landing platform and deliver the UAV to a dock;

(c) a moveable member operable to sweep across said landing platform from proximate said second edge to proximate said first edge such that the UAV is delivered from said landing platform to said conveyor belt; and

(d) a means for swapping the replaceable battery on the UAV at said dock with a replacement battery.

12. The system of claim 11, wherein said conveyor belt is further configured to transport the replacement battery from a storage location to said dock in a predetermined battery orientation.

13. The system of claim 11, wherein said conveyor belt is further configured to transport the replaceable battery from said dock to a storage location.

14. The system of claim 11, wherein said moveable member is configured to deliver the UAV to said conveyor belt in a predetermined UAV orientation.

15. The system of claim 14, wherein said moveable member is configured to engage with at least one projection on the UAV such that the UAV is aligned in the predetermined UAV orientation.

16. A method of autonomously replacing a replaceable battery in an unmanned aerial vehicle (UAV) comprising the steps of:

(a) receiving the UAV upon a landing platform of a battery replacement station, the landing platform including a first edge and an opposite second edge;

(b) moving a moveable member from proximate the second edge to proximate the first edge such that the UAV is received by a conveyor belt located along the first edge;

(c) transporting the UAV to a battery replacement location using the conveyor belt;

(d) detecting a presence of the UAV at the battery replacement location;

(e) detaching the replaceable battery from the UAV; and

(f) automatically attaching a replacement battery to the UAV.

17. The method of claim 16, further comprising transporting the replacement battery from a battery storage location to the battery replacement location using the conveyor belt.

18. The method of claim 16, further comprising transporting the replaceable battery from the battery replacement location to a battery storage location using the conveyor belt.

19. The method of claim 16, wherein moving the moveable member from proximate the second edge to proximate the first edge further comprises orientating the UAV in a predetermined UAV orientation with respect to the battery replacement location.

20. The method of claim 16, further comprising orientating the replacement battery in a predetermined battery orientation with respect to the battery replacement location.