Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INDUCTION HEATING APPARATUS HAVING IMPROVED INTERFERENCE NOISE CANCELLATION AND OUTPUT CONTROL FUNCTIONS
Document Type and Number:
WIPO Patent Application WO/2019/135491
Kind Code:
A1
Abstract:
The present invention relates to an induction heating apparatus having improved interference noise cancellation and output control functions. Further, an induction heating apparatus according to one embodiment of the present invention comprises: a working coil; an inverter unit for applying a resonance current to the working coil through a switching operation; and a control unit for providing a control signal having a fixed frequency to the inverter unit in order to control the switching operation, wherein the control unit changes a pulse width of the control signal at every pre-configured cycle on the basis of the temperature of the inverter unit.

Inventors:
LEE, Jae-Woo (IP Center, LG Electronics Inc. 51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
PARK, Byeong Wook (IP Center, LG Electronics Inc. 51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
OH, Dooyong (IP Center, LG Electronics Inc. 51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
OK, Seungbok (IP Center, LG Electronics Inc. 51, Gasan digital 1-ro,Geumcheon-gu, Seoul, 08592, KR)
Application Number:
KR2018/014880
Publication Date:
July 11, 2019
Filing Date:
November 28, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LG ELECTRONICS INC. (128 Yeoui-daero, Yeongdeungpo-gu, Seoul, 07336, KR)
International Classes:
H05B6/06; H05B6/12; H02M1/34
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (3F Hanyang Bldg, 123 Yeoksam-roGangnam-gu, Seoul, 06243, KR)
Download PDF: