公开(公告)号：US06222167B1

公开(公告)日：2001-04-24

申请号：US09205290

申请日：1998-12-04

Applicant: Kozo Wada ,  Etsurou Hirai ,  Kazuya Tsurusaki ,  Yuuji Asahara ,  Kwang-Hee Han ,  Jae-Young Lee ,  Kyung-Zoon Min ,  Kwang-Hum Han

Inventor： Kozo Wada ,  Etsurou Hirai ,  Kazuya Tsurusaki ,  Yuuji Asahara ,  Kwang-Hee Han ,  Jae-Young Lee ,  Kyung-Zoon Min ,  Kwang-Hum Han

IPC: H05B610

CPC classification number: C23C2/28 ,  C21D9/60 ,  Y02P10/253

Abstract: An alloying system for a galvanized steel sheet, the alloying system using an induction heating coil, wherein an impedance matching apparatus is provided between the induction heating coil and a high frequency power source. The impedance matching apparatus comprises a matching transformer having a plurality of intermediate contact points for arbitrarily selecting a turn ratio, and a switching device for alternative changeover of the intermediate contact point, whereby even when the load impedance of the steel sheet varies, maximum power source output is obtained, such that an appropriate heating temperature necessary for forming an alloy layer of the steel sheet can be supplied.

Abstract translation: 一种用于镀锌钢板的合金化系统，使用感应加热线圈的合金系统，其中在感应加热线圈和高频电源之间设置有阻抗匹配装置。 阻抗匹配装置包括具有用于任意选择匝数比的多个中间接触点的匹配变压器和用于替代地切换中间接触点的开关装置，由此即使当钢板的负载阻抗变化时，最大电源 可以提供形成钢板的合金层所需的适当的加热温度。