Title:
NON-CONTACT POWER SUPPLY DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/094387
Kind Code:
A1
Abstract:
A non-contact power supply device 1 has a power transmission device 2 and a power reception device 3 having a reception coil 21 to which power is supplied in a non-contact manner from the power transmission device 2. The power transmission device 2 has a resonance circuit 13 and a power supply circuit 10. The resonance circuit 13 has: a capacitor 14; and a transmission coil 15 that is connected to one end of the capacitor 14 and is capable of transferring power to the reception coil 21. In addition, the power supply circuit 10 supplies AC power having an adjustable operating frequency, to the resonance circuit 13. The power transmission device 2 also has: a voltage detection circuit 16 that detects AC voltage applied to the transmission coil 15; and a control circuit 18 that adjusts the operating frequency for AC power supplied from the power supply circuit 10, such that said AC voltage increases.
Inventors:
NAKAO GORO (JP)
Application Number:
PCT/JP2016/081015
Publication Date:
June 08, 2017
Filing Date:
October 19, 2016
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
H02J50/12
Domestic Patent References:
| WO2015001672A1 | 2015-01-08 |
Foreign References:
| JP2015035868A | 2015-02-19 | |||
| US20060071632A1 | 2006-04-06 | |||
| JP2015164398A | 2015-09-10 | |||
| JP2012182980A | 2012-09-20 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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