Title:
INDUCTION HEATING TYPE STEAM GENERATOR
Document Type and Number:
Japanese Patent JP2017150735
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an induction heating type steam generator which makes high frequency current supply circuit hard to break down due to abnormal heat generation without increasing a cost of the high frequency current supply circuit.SOLUTION: In an induction heating type steam generator, a control unit: detects that a heating body is put into an overheated state with a temperature there of higher than a Curie temperature when a current measurement measured by a current meter exceeds a first threshold set higher than an output corresponding current value corresponding to output of high frequency current; and controls the high frequency current in a manner that stops a supply thereof from the high frequency current supply circuit to an induction heating coil. In addition, the control unit controls the high frequency current in a manner that temporarily reduces the output thereof supplied from the high frequency current supply circuit to the induction heating coil when the current measurement measured by the current meter exceeds a second threshold set higher than the output corresponding current value and not more than the first threshold.SELECTED DRAWING: Figure 2
Inventors:
TAKEDA YUKIMASA
Application Number:
JP2016033350A
Publication Date:
August 31, 2017
Filing Date:
February 24, 2016
Export Citation:
Assignee:
HOSHIZAKI CORP
International Classes:
F24C1/00; H05B6/10
Domestic Patent References:
| JP2006040833A | 2006-02-09 | |||
| JPH1194202A | 1999-04-09 | |||
| JP2012238549A | 2012-12-06 | |||
| JP2010255871A | 2010-11-11 |
Attorney, Agent or Firm:
Teruichi Hase
Yusuke Nagai
Yusuke Nagai