Inductive power providing system having moving outlets
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16P-003/00
H02H-003/12
출원번호
US-0757286
(2010-04-09)
등록번호
US-8283812
(2012-10-09)
발명자
/ 주소
Azancot, Yossi
Ben-Shalom, Amir
Greenwald, Oola
Rofe, Arik
출원인 / 주소
Powermat Technologies, Ltd.
대리인 / 주소
Brooks Kushman P.C.
인용정보
피인용 횟수 :
18인용 특허 :
69
초록▼
A power providing system includes at least one inductive power outlet configured to be movable behind an extended surface. The inductive power outlet includes a primary inductor configured to couple inductively with a secondary inductor wired to an electric load. The inductive power outlet is mounte
A power providing system includes at least one inductive power outlet configured to be movable behind an extended surface. The inductive power outlet includes a primary inductor configured to couple inductively with a secondary inductor wired to an electric load. The inductive power outlet is mounted upon a positioning mechanism upon which the primary inductor may be moved behind the extended surface.
대표청구항▼
1. A protection system for preventing an inductive power providing system from transmitting power in the absence of an electric load, said inductive power providing system comprising at least one primary inductor configured to transfer power to at least one secondary inductor, wherein said protectio
1. A protection system for preventing an inductive power providing system from transmitting power in the absence of an electric load, said inductive power providing system comprising at least one primary inductor configured to transfer power to at least one secondary inductor, wherein said protection system further comprises: at least one circuit-breaker for disconnecting said primary inductor from a power supply;at least one primary detector in the locality of said primary inductor for detecting power transmitted by said primary inductor;at least one secondary detector for detecting said secondary inductor inductively coupled to said primary inductor; andat least one controller in communication with both said primary detector and said secondary detector, for triggering said circuit-breaker. 2. The protection system of claim 1, said primary detector being selected from a group consisting of: magnetic sensors, heat sensors, electromagnetic radiation sensors and Hall probes. 3. The protection system of claim 1, said primary inductor radiating at a characteristic frequency f and said primary detector being configured to detect radiation at frequency f. 4. The power providing system of claim 1, wherein said primary inductor is located behind an extended surface. 5. The power providing system of claim 4, wherein said extended surface is selected from a group consisting of: walls, floors, ceilings, sinks, baths, doors and work surfaces. 6. A protection system for preventing an inductive power providing system from transmitting power in the absence of an electric load, said inductive power providing system comprising at least one primary inductor configured to transfer power to at least one secondary inductor, wherein said protection system further comprises: at least one circuit-breaker for disconnecting said primary inductor from a power supply;at least one primary detector for detecting power transmitted by said primary inductor;at least one secondary detector for detecting said secondary inductor inductively coupled to said primary inductor; andat least one controller in communication with both said primary detector and said secondary detector, for triggering said circuit-breaker;wherein said primary inductor radiates at a characteristic frequency f and said primary detector is configured to detect radiation at frequency f; andwherein said protection system further comprises a modulator for tagging said radiation with a secondary tag indicating that said secondary inductor is inductively coupled to said primary inductor, wherein said secondary detector comprises a processor for demodulating said radiation and isolating said secondary signal. 7. The protection system of claim 6 additionally comprising a modulator for tagging said radiation with a primary tag uniquely identifying said primary inductor. 8. A protection system for preventing an inductive power providing system from transmitting power in the absence of an electric load, said inductive power providing system comprising at least one primary inductor configured to transfer power to at least one secondary inductor, wherein said protection system further comprises: at least one circuit-breaker for disconnecting said primary inductor from a power supply;at least one primary detector for detecting power transmitted by said primary inductor;at least one secondary detector for detecting said secondary inductor inductively coupled to said primary inductor; andat least one controller in communication with both said primary detector and said secondary detector, for triggering said circuit-breaker;wherein said primary inductor radiates at a characteristic frequency f and said primary detector is configured to detect radiation at frequency f,and wherein said protection system additionally comprises a modulator for tagging said radiation with a primary tag uniquely identifying said primary inductor. 9. A method for preventing an inductive power outlet from transmitting power in the absence of an electric load, said inductive power outlet comprising at least one primary inductor wired to a power supply and further comprising at least one primary detector in the locality of the primary inductor, for inductively coupling with a secondary inductor wired to said electric load, said method comprising the steps of: a. said primary inductor transmitting power;b. detecting that said primary inductor is transmitting power;c. detecting that said primary inductor is inductively coupled to said secondary inductor; andd. disconnecting said primary inductor from said power supply if no secondary inductor is detected. 10. The method of claim 9, wherein step b is selected from at least one of the steps selected from the group consisting of: communicating a signal from said primary inductor to a controller; anddetecting a radiation emanating from said primary inductor. 11. The method of claim 9, wherein step c is selected from at least one of the steps selected from the group consisting of: communicating a signal from said secondary inductor to a controller;encoding a secondary signal within radiation emanating from said primary inductor; andmonitoring the temperature in the vicinity of said primary inductor and checking for a significant rise in said temperature. 12. The method of claim 9, wherein step d comprises sending at least one control signal to a controller indicating that said primary inductor is transmitting power with no secondary inductor present, and sending a trigger signal to a circuit-breaker connected between said power supply and said primary inductor. 13. A protection system for preventing an inductive power providing system from transmitting power in the absence of an electric load, said inductive power providing system comprising at least one primary inductor configured to transfer power to at least one secondary inductor, wherein said protection system further comprises: at least one circuit-breaker for disconnecting said primary inductor from a power supply;at least one primary detector for detecting power transmitted by said primary inductor;at least one secondary detector for detecting said secondary inductor inductively coupled to said primary inductor; andat least one controller in communication with both said primary detector and said secondary detector, for triggering said circuit-breaker;wherein said primary inductor radiates at a characteristic frequency f and said primary detector is configured to detect radiation at frequency f; andwherein the system further comprises a modulator selected from at least one of the group consisting of: (a) a primary modulator for tagging said radiation with a primary tag uniquely identifying said primary inductor; and(b) a secondary modulator for tagging said radiation with a secondary tag indicating that said secondary inductor is inductively coupled to said primary inductor, wherein said secondary detector comprises a processor for demodulating said radiation and isolating said secondary signal. 14. A method for preventing an inductive power outlet from transmitting power in the absence of an electric load, said inductive power outlet comprising at least one primary inductor wired to a power supply, for inductively coupling with a secondary inductor wired to said electric load, said method comprising the steps of: a. said primary inductor transmitting power;b. detecting that said primary inductor is transmitting power;c. detecting that said primary inductor is inductively coupled to said secondary inductor; andd. disconnecting said primary inductor from said power supply if no secondary inductor is detected;wherein step c is selected from at least one of the steps: i. communicating a signal from said secondary inductor to a controller;ii. encoding a secondary signal within radiation emanating from said primary inductor; andiii. monitoring the temperature in the vicinity of said primary inductor and checking for a significant rise in said temperature. 15. The method of claim 14, wherein step b is selected from at least one of the steps selected from the group consisting of: communicating a signal from said primary inductor to a controller; anddetecting a radiation emanating from said primary inductor. 16. The method of claim 14, wherein step d comprises sending at least one control signal to a controller indicating that said primary inductor is transmitting power with no secondary inductor present, and sending a trigger signal to a circuit-breaker connected between said power supply and said primary inductor.
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