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    Magnetron drive power supply
    4.
    发明申请
    Magnetron drive power supply 有权
    磁控管驱动电源

    公开(公告)号：US20050189348A1

    公开(公告)日：2005-09-01

    申请号：US10625266

    申请日：2003-07-23

    申请人： Takeshi Kitaizumi ,  Haruo Suenaga ,  Hideaki Moriya ,  Emiko Ishizaki

    发明人： Takeshi Kitaizumi ,  Haruo Suenaga ,  Hideaki Moriya ,  Emiko Ishizaki

    IPC分类号： H05B6/66 ,  H05B6/68

    CPC分类号： H05B6/666

    摘要： Timing of zero voltage in zero-voltage detector for detecting zero voltage of a commercial power supply 1 is predicted and input from the zero-voltage detector 6 is received only for a given time before and after the predicted timing, whereby overvoltage and overcurrent caused by a zero point shift can be prevented. Thus, it is provided a magnetron drive power supply which is excellent in stability for change in the power supply environment such as noise or instantaneous power interruption.

    摘要翻译： 预测用于检测商用电源1的零电压的零电压检测器中的零电压的定时，并且仅在预测定时之前和之后的给定时间仅接收来自零电压检测器6的输入，由此导致过电压和过电流 可以防止零点偏移。 因此，提供了一种磁控管驱动电源，其在诸如噪声或瞬时电力中断的电源环境的变化方面具有优异的稳定性。

    Magnetron drive boosting transformer
    5.
    发明授权
    Magnetron drive boosting transformer 失效
    磁控驱动升压变压器

    公开(公告)号：US06956456B2

    公开(公告)日：2005-10-18

    申请号：US10432578

    申请日：2003-01-15

    申请人： Makoto Mihara ,  Kenji Yasui ,  Takeshi Kitaizumi

    发明人： Makoto Mihara ,  Kenji Yasui ,  Takeshi Kitaizumi

    IPC分类号： H01F3/10 ,  H01F3/14 ,  H01F27/38 ,  H03B9/10 ,  H05B6/66 ,  H01F17/06

    CPC分类号： H05B6/662 ,  H01F3/10 ,  H01F3/14 ,  H01F27/38 ,  H01F2038/003 ,  H03B9/10

    摘要： The present invention provides a boosting transformer for microwave oven, which is low in high-frequency loss, hardly saturated, small in size and easy to produce. The boosting transformer includes a rod-like ferrite core; and primary, secondary and heater windings wound around the rod-like ferrite core and piled up side by side in a direction of an axis of the rod-like ferrite core. It also includes a metal core formed from a long metal thin plate rolled by a plurality of times into a square-ring having one inner diameter larger than each of outer sizes of the primary, secondary and heater windings and the other inner diameter larger than a total size of the three windings piled up side by side, the metal core being arranged opposite to the rod-like ferrite core through a gap so as to be fitted toward the rod-like ferrite core from the outside of the primary, secondary and heater windings.

    摘要翻译： 本发明提供一种微波炉的升压变压器，其高频损耗低，难以饱和，体积小，易于制造。 升压变压器包括棒状铁氧体磁心; 以及缠绕在棒状铁氧体磁芯上的一次，二次和加热绕组，并且在棒状铁氧体磁芯的轴线方向上并排堆放。 它还包括一个由长金属薄板形成的金属芯，该金属薄板多次滚动成方形环，该方形环的一个内径大于一次，二次和加热器绕组的外部尺寸，另一个内径大于 三个绕组的总尺寸并排堆积，金属芯通过间隙与杆状铁氧体磁心相对地布置，以便从主要，次要和加热器的外部朝向棒状铁氧体磁芯 绕组。

    Power-supply unit for electronic oven
    6.
    发明授权
    Power-supply unit for electronic oven 失效
    电子烤箱供电装置

    公开(公告)号：US06891738B2

    公开(公告)日：2005-05-10

    申请号：US10432705

    申请日：2002-12-26

    申请人： Makoto Mihara ,  Kenji Yasui ,  Takeshi Kitaizumi

    发明人： Makoto Mihara ,  Kenji Yasui ,  Takeshi Kitaizumi

    IPC分类号： F24C7/02 ,  H01J23/34 ,  H02M1/42 ,  H02M7/00 ,  H05B6/66 ,  H02M3/24 ,  H05B6/68

    CPC分类号： H02M1/425 ,  H02M7/003 ,  H02M7/48 ,  H05B6/66 ,  Y02B70/126

    摘要： A Hall element (H) is arranged at an air gap of a choke coil (30). Power semiconductor elements (P1) and (P2) are attached to a heat radiation fin (61) directly by soldering. A rectangular-hollow-shaped metal core (27) is formed by winding a long metal thin plate multiple turns into a rectangular-hollow-shape and is fitted to a bar shaped ferrite core (26) from outside of the primary winding (21) and the secondary winding (22). The inner diameter of one side of the rectangular-hollow-shape core is larger than both outer diameters of the primary winding (21) and the secondary winding (22) and the inner diameter of the other side of the rectangular-hollow-shape core is larger than the height of the primary winding (21) and the secondary winding (22). The rectangular-hollow-shape (27) core is arranged such that an air gap (G) exists between the rectangular-hollow-shape core (27) and the bar shaped ferrite core (26).

    摘要翻译： 霍尔元件（H）布置在扼流线圈（30）的气隙处。 功率半导体元件（P 1）和（P 2）通过焊接直接附接到散热片（61）。 通过将长的金属薄板多匝缠绕成矩形中空形状并且从初级绕组21的外部装配到棒状铁氧体磁心（26）而形成矩形中空状的金属芯（27） 和次级绕组（22）。 矩形中空型芯的一侧的内径大于初级绕组（21）和次级绕组（22）的两个外径，并且矩形中空型芯的另一侧的内径 大于初级绕组（21）和次级绕组（22）的高度。 长方形中空型（27）芯配置成在矩形中空型芯（27）和棒状铁氧体磁心（26）之间存在气隙（G）。

    Induction heating apparatus
    7.
    发明授权
    Induction heating apparatus 有权
    感应加热装置

    公开(公告)号：US06770857B2

    公开(公告)日：2004-08-03

    申请号：US10373745

    申请日：2003-02-27

    申请人： Izuo Hirota ,  Atsushi Fujita ,  Takahiro Miyauchi ,  Takeshi Kitaizumi ,  Yuji Fujii ,  Kouji Niiyama ,  Hideki Omori

    发明人： Izuo Hirota ,  Atsushi Fujita ,  Takahiro Miyauchi ,  Takeshi Kitaizumi ,  Yuji Fujii ,  Kouji Niiyama ,  Hideki Omori

    IPC分类号： H05B606

    CPC分类号： H05B6/062 ,  H05B6/04

    摘要： An induction heating apparatus can heat aluminum pot etc. with pot vibration noise being suppressed. During a turn-on time of second switching device 57, an energy is accumulated at choke coil 54, and at the same time a resonant current with a shorter period than the turn-on time of second switching device 57 or a driving time of first switching device 55 is generated at heating coil 59, so that during turn-off of second switching device 57, i.e., during on-time of first switching device 55, the energy accumulated at choke coil 54 is transferred to second smoothing capacitor 62. And then the output power is supplied from smoothing capacitor 62 to heating coil 59, thereby reducing the pot vibration noise, which is caused by pulsating current of input voltage.

    摘要翻译： 感应加热装置可以加热铝锅等，同时抑制锅振动噪声。 在第二开关装置57的接通时间期间，在扼流线圈54处累积能量，并且同时具有比第二开关装置57的导通时间短的周期的谐振电流或第一开关装置57的驱动时间 开关装置55在加热线圈59处产生，使得在第二开关装置57的关断期间，即在第一开关装置55的接通时间期间，积聚在扼流圈54处的能量被传递到第二平滑电容器62.并且 那么输出功率从平滑电容器62提供给加热线圈59，从而减小由输入电压的脉动电流引起的振荡噪音。

    High-frequency inverter and induction cooking device using the same
    8.
    发明授权
    High-frequency inverter and induction cooking device using the same 有权
    高频变频器和感应烹饪装置使用相同

    公开(公告)号：US6018154A

    公开(公告)日：2000-01-25

    申请号：US142556

    申请日：1998-09-11

    申请人： Kiyoshi Izaki ,  Hideki Omori ,  Hidekazu Yamashita ,  Taizo Ogata ,  Takeshi Kitaizumi ,  Kamli Mokhtar

    发明人： Kiyoshi Izaki ,  Hideki Omori ,  Hidekazu Yamashita ,  Taizo Ogata ,  Takeshi Kitaizumi ,  Kamli Mokhtar

    IPC分类号： H02M7/537 ,  H05B6/06 ,  H05B6/12 ,  H05B6/08 ,  H02M7/48

    CPC分类号： H05B6/062 ,  H02M7/537 ,  Y02B70/1441

    摘要： 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.

    摘要翻译： 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。

    INDUCTION HEATING DEVICE
    10.
    发明申请
    INDUCTION HEATING DEVICE 审中-公开
    感应加热装置

    公开(公告)号：US20090152260A1

    公开(公告)日：2009-06-18

    申请号：US12162771

    申请日：2007-01-31

    申请人： Tomoya Fujinami ,  Masaharu Ohashi ,  Takeshi Kitaizumi ,  Izuo Hirota ,  Hiroshi Tominaga ,  Kenji Watanabe

    发明人： Tomoya Fujinami ,  Masaharu Ohashi ,  Takeshi Kitaizumi ,  Izuo Hirota ,  Hiroshi Tominaga ,  Kenji Watanabe

    IPC分类号： H05B6/02

    CPC分类号： H05B6/062 ,  H05B2213/07

    摘要： An induction heating device includes a top plate arranged to have an object placed thereon, a heating coil receiving a high-frequency current to inductively heat the object, an infrared ray sensor for outputting a signal in accordance with energy of received infrared ray, a temperature detector for detecting a temperature of the object based on the signal output from the infrared ray sensor, a heating controller for controlling the high-frequency current supplied to the heating coil based on the detected temperature, and a failure determining unit for determining whether the infrared ray sensor has a failure or not. This induction heating device can detect the failure of the infrared ray sensor, and thus stops or suppresses the heating upon detecting the failure of the infrared ray sensor.

    摘要翻译： 感应加热装置包括布置成具有放置在其上的物体的顶板，接收高频电流以加热物体的加热线圈，用于根据接收到的红外线的能量输出信号的红外线传感器，温度 检测器，用于基于从红外线传感器输出的信号检测物体的温度;加热控制器，用于基于检测到的温度控制供给到加热线圈的高频电流;以及故障判定单元，用于确定红外线 射线传感器有失败。 该感应加热装置可以检测红外线传感器的故障，从而在检测到红外线传感器的故障时停止或抑制加热。