Induction heating cooking apparatus and method for operating the same
US7176424B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 25, 2005 |
| Grant date | Feb 13, 2007 |
| Priority date | — |
| Expiry date | Oct 25, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/062
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An induction-heating cooking apparatus and a method for operating the same are disclosed. Upon receiving a low-voltage signal in a high-output level state, the apparatus controls an output signal to allow an inverter to be operated only in a ZVS (Zero Voltage Switching) area. If an input voltage applied to a circuit is a low voltage, the apparatus compensates for the input voltage using a smaller one between a blocking voltage and an output control signal generated from the microprocessor, thereby limiting a compensation component. Therefore, the apparatus prevents the occurrence of a power loss caused by an excessive switching operation, and also prevents a switch from receiving a high instantaneous current, resulting in increased endurance of cooking appliances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.