Buoyancy-assisted UAV having electric-field actuated generator for powering electrical load within vicinity of powerlines

• US 10,498,169 B1
• Filed: 10/18/2018
• Issued: 12/03/2019
• Est. Priority Date: 06/09/2018
• Status: Active Grant

• Current Assignee: NXP Aeronautics Research, LLC
• Original Assignee: NXP Aeronautics Research, LLC
• Inventors: Syracuse, Steven J., Tillman, Chad D.
• Primary Examiner(s): Cavallari, Daniel J
• Application Number:
  US16/164,631
• Publication Number:
  US 20190375501A1
• Time in Patent Office: 411 Days
• CPC Class Codes: B60L 2200/10 Air crafts
• CPC Class Codes: B60L 5/005 without mechanical contact between the collector and the power supply line
• CPC Class Codes: B60L 53/12 Inductive energy transfer
• CPC Class Codes: B60L 53/14 Conductive energy transfer
• CPC Class Codes: B60L 53/30 Constructional details of charging stations
• CPC Class Codes: B60L 53/38 specially adapted for charging by inductive energy transfer
• CPC Class Codes: B60L 53/60 Monitoring or controlling charging stations
• CPC Class Codes: B60M 3/00 Feeding power to supply lines in contact with collector on vehicles; Arrangements for consuming regenerative power controlling rail vehicles by varying voltage of power fed to vehicle B60L; power distribution in general H02J
• CPC Class Codes: B64C 25/10 retractable, foldable, or the like
• CPC Class Codes: B64C 39/024 of the remote controlled vehicle type, i.e. RPV
• CPC Class Codes: B64C 39/04 having multiple fuselages or tail booms
• CPC Class Codes: B64C 39/08 having multiple wings
• CPC Class Codes: B64U 10/10 Rotorcrafts
• 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 10/25 Fixed-wing aircraft VTOL aircraft B64U10/20
• CPC Class Codes: B64U 2101/30 for imaging, photography or videography
• CPC Class Codes: B64U 30/20 Rotors; Rotor supports
• CPC Class Codes: B64U 30/297 Tilting rotors
• CPC Class Codes: B64U 50/19 using electrically powered motors
• CPC Class Codes: B64U 50/30 : Supply or distribution of electrical power
• CPC Class Codes: B64U 50/34 : In-flight charging photovoltaics B64U50/31
• CPC Class Codes: B64U 50/37 : Charging when not in flight
• CPC Class Codes: B64U 60/50 : with landing legs
• CPC Class Codes: G01C 9/005 : specially adapted for use in aircraft
• CPC Class Codes: H02G 1/02 : for overhead lines or cables
• CPC Class Codes: H02J 50/001 : Energy harvesting or scavenging
• CPC Class Codes: H02J 50/05 : using capacitive coupling
• CPC Class Codes: H02J 50/10 : using inductive coupling
• CPC Class Codes: H02J 7/0044 : specially adapted for holding portable devices containing batteries H02J7/0045 takes precedence
• CPC Class Codes: H02J 7/0068 : Battery or charger load switching, e.g. concurrent charging and load supply H02J7/0013 takes precedence
• CPC Class Codes: H04L 67/12 : specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• CPC Class Codes: H04W 4/025 : using location based information parameters
• CPC Class Codes: H04W 4/029 : Location-based management or tracking services
• 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
• CPC Class Codes: Y02T 90/16 : Information or communication technologies improving the operation of electric vehicles

Abstract

A UAV in which electric power is generated for an electric load from differentials in electric field strengths within a vicinity of powerlines includes: a plurality of electrodes separated and electrically insulated from one another for enabling differentials in voltage resulting from differentials in electric field strength experienced thereat; and electrical components electrically connected therewith and configurable to establish one or more electric circuits whereby voltage differentials causes a current to flow through the established electric circuit for powering an electric load. Preferably, the UAV includes a control assembly having one or more voltage-detector components configured to detect relative voltages of the electrodes; and a processor enabled to configure—based on the detected voltages and based on voltage and electric current specifications for powering the electric load—one or more of the electrical components to establish an electric circuit for powering the electric load.

Claims

1. A UAV in which electric power is generated for an electrical load from one or more differentials in electric field strength in a vicinity of powerlines, comprising:

(a) a plurality of separated electrodes;

(b) electrical components electrically connected with the plurality of electrodes, at least one or more of the electrical components being configurable to establish each of a plurality of different electric circuits, each of the different electric circuits comprising a set of two or more mutually exclusive subsets of the plurality of electrodes, the electrodes in each subset that have more than one electrode being electrically connected with each other for avoiding a voltage differential therebetween, and the one or more electrodes of each subset being electrically insulated from each electrode of any other subset of the set for enabling one or more voltage differentials between the subsets of the set resulting from a differential in electric field strength experienced when the UAV is within the vicinity of the powerlines, wherein the subsets of the set are interconnected such that the one or more voltage differentials between the subsets causes a current to flow through the electric circuit of the set for powering the electrical load; and

(c) a control assembly comprising

(i) one or more voltage-detector components configured to detect voltage differentials of the sets; and

(ii) a processor enabled to process the detected voltage differentials and—

based thereon and based on voltage and electric current specifications for powering the electrical load—

configure one or more of the electrical components in order to establish one of the plurality of different electric circuits for powering the electrical load.

2. The UAV of claim 1, further comprising a battery by which the control assembly is powered.

3. The UAV of claim 2, wherein the battery powers only the control assembly.

4. The UAV of claim 2, wherein the battery does not power the electrical load of the electric circuit.

5. The UAV of claim 2, wherein the battery is rechargeable and wherein the electrical load of the electric circuit comprises the battery for recharging the battery.

6. The UAV of claim 1, wherein the control assembly configures one or more of the electrical components in order to establish one of the plurality of different electric circuits for powering the electrical load on a recurring basis when the UAV is in the vicinity of the powerlines.

7. The UAV of claim 1, wherein the control assembly configures one or more of the electrical components in order to establish one of the plurality of different electric circuits for powering the electrical load on a recurring basis when the UAV moves while in the vicinity of the powerlines.

8. The UAV of claim 1, wherein at least one of the at least one or more of the electrical components configurable to establish each of the first, second, and third electric circuits is located within the power supply unit;

wherein at least one of the one or more sensors configured to sense data regarding voltage of the first, second, and third electrodes is located within the power supply unit; and

wherein the processor configured to process the sensed data and, based thereon and based on voltage and electric current specifications for powering the UAV, configure one or more of the electrical components to establish one of the first electric circuit, the second electric circuit, and the third electric circuit for powering the UAV is located within the power supply unit.

9. A UAV, comprising:

(a) one or more electrical components; and

(b) a power supply unit;

(c) wherein the UAV defines a bay configured to removably receive the power supply unit for electrical coupling with the UAV, by which electrical coupling electric current is provided to the UAV by the power supply unit;

(d) wherein the power supply unit is configured to generate electric power from a differential in electric field strength when the power supply unit is received in the bay, electrically coupled with the UAV, and within a vicinity of powerlines;

(e) wherein the power supply unit comprises a plurality of separated electrodes; and

(f) wherein the UAV further comprises, when the power supply unit is electrically coupled with the UAV,

(i) electrical components electrically connected with the plurality of electrodes, at least one or more of the electrical components being configurable to establish each of a plurality of different electric circuits, each of the different electric circuits comprising a set of two or more mutually exclusive subsets of the plurality of electrodes, the electrodes in each subset that have more than one electrode being electrically connected with each other for avoiding a voltage differential therebetween, and the one or more electrodes of each subset being electrically insulated from each electrode of any other subset of the set for enabling one or more voltage differentials between the subsets of the set resulting from a differential in electric field strength experienced when the UAV is within the vicinity of the powerlines, wherein the subsets of the set are interconnected such that the one or more voltage differentials between the subsets causes a current to flow through the electric circuit of the set for powering the UAV;

(ii) one or more sensors configured to sense data regarding voltage differentials; and

(iii) a processor configured to process the sensed data and, based thereon and based on voltage and electric current specifications for powering the UAV, configure one or more of the electrical components to establish one of the plurality of different electric circuits for powering the UAV.

10. The UAV of claim 9, wherein the external enclosure comprises a housing, casing, or chassis.

11. The UAV of claim 9, wherein the external enclosure comprises one or more wings.

12. The UAV of claim 9, wherein the external enclosure comprises one or more air foils.

13. The UAV of claim 9, wherein the external enclosure comprises a fuselage.

15. The UAV of claim 11, wherein the electrodes of the plurality of electrodes are symmetrically arranged about an axis of the UAV.

16. The UAV of claim 11, wherein the electrodes of the plurality of electrodes are symmetrically arranged about a center of the UAV.

14. A UAV, comprising:

(a) an external enclosure including one or more external walls;

(b) a power supply configured to generate electric power from a differential in electric field strength when the UAV is within a vicinity of powerlines, the power supply comprising a plurality of separated electrodes, wherein the one or more external walls comprise one or more of the plurality of electrodes;

(c) electrical components electrically connected with the plurality of electrodes, at least one or more of the electrical components being configurable to establish each of a plurality of different electric circuits, each of the different electric circuits comprising a set of two or more mutually exclusive subsets of the plurality of electrodes, the electrodes in each subset that have more than one electrode being electrically connected with each other for avoiding a voltage differential therebetween, and the one or more electrodes of each subset being electrically insulated from each electrode of any other subset of the set for enabling one or more voltage differentials between the subsets of the set resulting from a differential in electric field strength experienced when the UAV is within the vicinity of the powerlines, wherein the subsets of the set are interconnected such that the one or more voltage differentials between the subsets causes a current to flow through the electric circuit of the set for powering the UAV;

(d) one or more sensors configured to sense data regarding voltage differentials of the sets; and

(e) a controller configured to process the sensed data and based thereon and based on voltage and electric current specifications for powering the UAV, configure one or more of the electrical components to establish one of the plurality of different electric circuits for powering the UAV.