Title:
INDUCTION HEATING AND WIRELESS POWER TRANSMITTING APPARATUS HAVING IMPROVED CONTROL ALGORITHM
Document Type and Number:
WIPO Patent Application WO/2019/045322
Kind Code:
A1
Abstract:
The present invention relates to an induction heating and wireless power transmitting apparatus having an improved control algorithm. An induction heating and wireless power transmitting apparatus according to an embodiment of the present invention comprises: a first working coil unit comprising first and second working coils which are parallelly connected; a first inverter unit for applying a resonant current to the first working coil and/or the second working coil by means of performing switching operation; a first semiconductor switch connected to the first working coil so as to turn the first working coil on or off; a second semiconductor switch connected to the second working coil so as to turn the second working coil on or off; and a control unit for detecting whether an object is positioned on the first working coil or the second working coil, by means of respectively controlling the operations of the first and second semiconductor switches and the first inverter unit.
Inventors:
OK SEUNGBOK (KR)
OH DOOYONG (KR)
MOON HYUNWOOK (KR)
PARK BYEONG WOOK (KR)
OH DOOYONG (KR)
MOON HYUNWOOK (KR)
PARK BYEONG WOOK (KR)
Application Number:
PCT/KR2018/009293
Publication Date:
March 07, 2019
Filing Date:
August 13, 2018
Export Citation:
Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H05B6/06; H02J5/00; H02J50/12; H02J50/40; H02J50/90; H05B6/36
Domestic Patent References:
| WO2014064932A1 | 2014-05-01 |
Foreign References:
| KR101727744B1 | 2017-04-17 | |||
| JP2016158332A | 2016-09-01 | |||
| JP2009117200A | 2009-05-28 | |||
| JP2015041561A | 2015-03-02 | |||
| US20160323937A1 | 2016-11-03 |
Other References:
See also references of EP 3678453A4
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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