Title:
非接触給電装置
Document Type and Number:
Japanese Patent JP6802607
Kind Code:
B2
Abstract:
To provide a non-contact power supply device which is capable of performing switching of charging power and increase/decrease change control firstly and suppresses generation of electromagnetic radiation noise secondly.SOLUTION: A non-contact power supply device 10 supplies power from a power transmitting coil L1 to a power receiving coil L2 due to mutual induction actuation of electromagnetic induction. A resonance circuit at a power receiving side comprises a parallel capacitor Cp, a series capacitor Cs and an additional capacitor ΔCp. The additional capacitor ΔCp consists of an aggregate of element capacitor group stages C1, ... and is switchable to parallel connection ON to the parallel capacitor Cp or the series capacitor Cs and in accordance with the connection combination, capacity of the additional capacitor ΔCp is switchable. The resonance circuit is enabled to control a charging voltage Vb and charging power to a battery R2 by switching capacity distribution of the parallel capacitor Cp and the series capacitor Cs while keeping synthetic capacity C and a resonant frequency constant.SELECTED DRAWING: Figure 1
Inventors:
Hiroshi Watanabe
Kitao Yamamoto
Masashi Mochizuki
K. Yoneda
Atsushi Watanabe
Kitao Yamamoto
Masashi Mochizuki
K. Yoneda
Atsushi Watanabe
Application Number:
JP2017222721A
Publication Date:
December 16, 2020
Filing Date:
November 20, 2017
Export Citation:
Assignee:
Showa Aircraft Industry Co., Ltd.
International Classes:
H02J50/12; H02J7/00
Domestic Patent References:
| JP2013243882A | ||||
| JP2001238372A | ||||
| JP2014023281A | ||||
| JP2010233354A | ||||
| JP2016011873A | ||||
| JP2011258807A |
Foreign References:
| CN102280945A | ||||
| US20110304217 | ||||
| US20130134794 |
Attorney, Agent or Firm:
Koshi Motonobu