Worksurface-mounted wireless charging grommet

Patent metadata

Field	Value
Publication number	US-10720795-B2
Application number	US-201715583379-A
Country	US
Kind code	B2
Filing date	May 1, 2017
Priority date	May 2, 2016
Publication date	Jul 21, 2020
Grant date	Jul 21, 2020

Abstract

An electrical power unit is positionable at a work surface and includes an upper housing including an upper surface and a lower surface spaced below the upper surface to define an upper housing chamber. A wireless power transmitter is disposed in the upper housing chamber and is operable to convey electrical energy to a wireless power receiver positioned at or above the upper surface. A base is coupled to the upper housing and extends downwardly therefrom, the base being configured for insertion into an opening formed in the work surface or into a space defined between two adjacent work surfaces. The base is further configured to facilitate securing the electrical power unit to the work surface or the adjacent work surfaces.

First claim

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:

1. An electrical power unit configured to be positioned at a work surface, said electrical power unit comprising:
a generally planar upper housing including a planar upper surface and a planar lower surface spaced below and parallel to said upper surface to define an upper housing chamber;
a wireless power transmitter disposed in said upper housing chamber and operable to convey electrical energy to a wireless power receiver positioned at or above said upper surface;
a lower housing coupled to said upper housing and extending downwardly from said lower surface, wherein at least a portion of said lower housing is configured to be positioned below the work surface; and
a direct-contact electrical or data receptacle accessible through said upper surface at a central region of said upper housing, said direct-contact electrical or data receptacle having a lower receptacle portion extending downwardly into said lower housing;
wherein said upper housing extends laterally outwardly from said lower housing and terminates at a perimeter edge region that is spaced laterally outwardly from said lower housing, said wireless power transmitter is spaced laterally outboard of said direct-contact electrical or data receptacle, and at least a portion of said wireless power transmitter is positioned laterally between said perimeter edge region and said lower housing such that said wireless power transmitter is positionable directly above the work surface; and
wherein said lower housing is releasably securable to the work surface with said perimeter edge region of said upper housing and at least a portion of said wireless power transmitter positioned directly above the work surface.

2. The electrical power unit of claim 1 , wherein said lower housing defines a lower housing chamber, said power unit further comprising at least one electrical conductor disposed in said lower housing chamber and in electrical communication with both an electrical power source and said wireless power transmitter.

3. The electrical power unit of claim 2 , wherein said lower housing is substantially cylindrical and the entirety of said perimeter edge region of said upper housing is spaced laterally outwardly from lower housing.

4. The electrical power unit of claim 3 , wherein said lower housing comprises a threaded outer surface for receiving an internally threaded collar.

5. The electrical power unit of claim 3 , wherein said lower housing comprises an interior surface defining said lower housing chamber, and wherein said lower housing comprises one or more substantially vertical elongate ribs or grooves formed along said interior surface.

6. The electrical power unit of claim 5 , further comprising an electrical circuit board in electrical communication with the electrical power source and with said wireless power transmitter, wherein said electrical circuit board is operable to supply electrical power to said wireless power transmitter, and wherein said electrical circuit board is configured for slidable insertion into said lower housing chamber via sliding engagement with said substantially vertical elongate ribs or grooves.

7. The electrical power unit of claim 5 , wherein said direct-contact electrical or data receptacle comprises a low voltage DC electrical receptacle accessible through a receptacle opening in said upper housing, said low voltage DC electrical receptacle having an electrical converter circuit board in electrical communication with the electrical power source, and wherein said electrical converter circuit board is configured for slidable insertion into said lower housing chamber via sliding engagement with said substantially vertical elongate ribs or grooves.

8. The electrical power unit of claim 1 , wherein said lower housing is configured for insertion between respective outer perimeter edges of two adjacent work surfaces.

9. The electrical power unit of claim 8 , wherein said lower housing comprises clamping elements configured to selectively engage the two adjacent work surfaces to thereby secure the two adjacent work surfaces together.

10. The electrical power unit of claim 1 , wherein said wireless power transmitter is fully enclosed in said upper housing chamber.

11. The electrical power unit of claim 1 , wherein said at least one direct-contact electrical or data receptacle comprises a high voltage AC receptacle and a low voltage DC receptacle.

12. The electrical power unit of claim 11 , wherein said lower receptacle portion of each of said high voltage AC receptacle and said low voltage DC receptacle extends downwardly through said lower surface of said upper housing.

13. The electrical power unit of claim 11 , comprising at least two of said wireless power transmitters in spaced arrangement in said upper housing chamber and positioned on opposite sides of said high voltage AC receptacle and said low voltage DC receptacle.

14. The electrical power unit of claim 1 , wherein said wireless power transmitter is operable to detect when a compatible power receiver is positioned within a transmission range of said wireless power transmitter, and wherein said wireless power transmitter is energized for wireless electrical power transmission only when the compatible power receiver is positioned within the transmission range of said wireless power transmitter.

15. An electrical power unit configured to be positioned at a work surface, said electrical power unit comprising:
a generally planar upper housing including an upper surface and a lower surface spaced below said upper surface to define an upper housing chamber, said upper housing comprising a central region and a perimeter region laterally outboard of said central region;
a wireless power transmitter disposed in said perimeter region of said upper housing chamber and operable to convey electrical energy to a wireless power receiver positioned at or above said upper surface;
a lower housing coupled to said central region of said upper housing and extending downwardly therefrom, with said perimeter region of said upper housing extending laterally outwardly from said lower housing, said lower housing defining a lower housing chamber, said lower housing configured for insertion into an opening formed in the work surface or into a space defined between two adjacent work surfaces;
at least one direct-contact electrical or data receptacle accessible through said upper surface at said central region of said upper housing and having a lower receptacle portion disposed in said lower housing chamber; and
a clamping element coupled to said lower housing and operable to secure said electrical power unit to the work surface or the two adjacent work surfaces.

16. The electrical power unit of claim 15 , wherein said at least one direct-contact electrical or data receptacle comprises an upper receptacle portion positioned in said upper housing chamber, said lower receptacle portion extends through said lower surface of said upper housing, and said wireless power transmitter is enclosed in said upper housing chamber below said upper surface.

17. The electrical power unit of claim 16 , wherein said at least one direct-contact electrical or data receptacle comprises a high voltage AC power receptacle and a low voltage DC power receptacle.

18. The electrical power unit of claim 16 , comprising a pair of said wireless power transmitters disposed in said upper housing chamber, and said upper housing comprising a support wall extending be

Assignees

• Byrne Norman R
• Maher Peter J

Inventors

• Byrne Norman R
• Maher Peter J

Classifications

• H02J7/70

  characterised by the mechanical construction · CPC title

• H02J50/402

  the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas · CPC title

• H02J50/005

  Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices · CPC title

• H02J50/12 Primary

  of the resonant type · CPC title

• H02J50/05

  using capacitive coupling · CPC title