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    • 9. 发明申请
    • HIGH-FREQUENCY DIELECTRIC HEATING DEVICE AND IMAGE FORMING APPARATUS
    • 高频介电加热装置和图像形成装置
    • US20170066254A1
    • 2017-03-09
    • US15254872
    • 2016-09-01
    • Yukie InoueDan Ozasa
    • Yukie InoueDan Ozasa
    • B41J11/00H05B6/50H05B6/60H05B6/62
    • B41J11/002H05B6/50H05B6/54H05B6/60H05B6/62
    • A high-frequency dielectric heating device includes: a high-frequency generating unit to generate a high-frequency electric field; multiple power amplifiers configured to amplify the high-frequency electric field; multiple electrode sections to apply the amplified high-frequency electric field to each of divided areas on a heated material; multiple matching units to detect an incident wave and a reflected wave between the power amplifiers and the electrode sections, respectively, and conduct impedance matching; multiple voltage detecting units to detect a voltage of each of the electrode sections; and a controller to control at least any of the high-frequency generating unit and the power amplifiers in accordance with a voltage, detected by the voltage detecting units, and control a setting for the matching unit such that a reflected wave, detected by the matching unit, is zero in accordance with an incident wave and a reflected wave that are detected by the matching unit.
    • 一种高频电介质加热装置,包括:高频发生单元,生成高频电场; 配置成放大高频电场的多个功率放大器; 多个电极部分将放大的高频电场施加到加热材料上的每个分割区域; 多个匹配单元分别检测功率放大器和电极部分之间的入射波和反射波,并进行阻抗匹配; 多个电压检测单元,用于检测每个电极部分的电压; 以及控制器,用于根据由电压检测单元检测到的电压来控制高频产生单元和功率放大器中的至少一个,并且控制匹配单元的设置,使得通过匹配检测到的反射波 单位,根据由匹配单元检测到的入射波和反射波而为零。