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    • 1. 发明授权
    • High-frequency inverter and induction cooking device using the same
    • 高频变频器和感应烹饪装置使用相同
    • US6018154A
    • 2000-01-25
    • US142556
    • 1998-09-11
    • Kiyoshi IzakiHideki OmoriHidekazu YamashitaTaizo OgataTakeshi KitaizumiKamli Mokhtar
    • Kiyoshi IzakiHideki OmoriHidekazu YamashitaTaizo OgataTakeshi KitaizumiKamli Mokhtar
    • H02M7/537H05B6/06H05B6/12H05B6/08H02M7/48
    • H05B6/062H02M7/537Y02B70/1441
    • A high-frequency inverter having a simple circuit construction capable of executing a constant-frequency operation and a zero-volt switching operation and an induction heating cooker using the high-frequency inverter are disclosed. The high-frequency inverter is comprised of an inverter circuit for converting a direct current from a DC power source into a high-frequency current and a control circuit for controlling the inverter circuit. The inverter circuit is comprised of: a one-transistor inverter constructed of a heating coil whose one terminal is connected to one terminal of a DC power source, a first switching element connected in series between the other terminal of the heating coil and the other terminal of the DC power source, and a first resonance capacitor connected so as to form a resonance circuit with the heating coil; and a series circuit connected in parallel with the heating coil and constructed of a second switching element and a second resonance capacitor.
    • PCT No.PCT / JP97 / 00792 Sec。 371日期:1998年9月11日 102(e)1998年9月11日PCT PCT 1997年3月13日PCT公布。 公开号WO97 / 34446 日期:1997年9月18日公开了具有能够执行恒定频率运行和零伏切换操作的简单电路结构的高频逆变器以及使用该高频逆变器的感应加热烹调器。 高频逆变器由用于将直流电源的直流电转换为高频电流的逆变器电路和控制逆变器电路的控制电路构成。 逆变器电路包括:一个单晶体管逆变器,其由一个端子连接到直流电源的一个端子的加热线圈构成,第一开关元件串联连接在加热线圈的另一个端子和另一个端子之间 并且连接有与加热线圈形成谐振电路的第一谐振电容器; 以及与加热线圈并联连接并由第二开关元件和第二谐振电容器构成的串联电路。