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    • 4. 发明申请
    • TRANSFORMER, SWITCHING POWER SUPPLY DEVICE, AND DC-DC CONVERTER DEVICE
    • 变压器,开关电源装置和DC-DC转换器装置
    • US20100176907A1
    • 2010-07-15
    • US12684078
    • 2010-01-07
    • Minoru HayasakiKeisuke Samejima
    • Minoru HayasakiKeisuke Samejima
    • H01F27/28
    • H01F27/33H01F3/14H01F27/263
    • The transformer includes: first and second cores each including a magnetic center leg and a magnetic outer leg positioned outside of the magnetic center leg; a first adhesion part that adheres the magnetic center leg of the first core and the magnetic center leg of the second core to each other; a second adhesion part that adheres the magnetic outer leg of the first core and the magnetic outer leg of the second core to each other; a bobbin inserted through the magnetic center leg of the first core and the magnetic center leg of the second core, a primary coil and a secondary coil being wound on the bobbin; and an elastic member that applies pressure to the magnetic outer leg of the first core and the magnetic outer leg of the second core in a neighborhood of the second adhesion part, in an inward direction of the transformer.
    • 变压器包括:第一和第二芯,每个包括位于磁性中心腿外部的磁性中心腿和磁性外腿; 第一粘合部,其将第一芯的磁中心腿和第二芯的磁中心腿彼此粘合; 第二粘合部,其将第一芯的磁性外腿和第二芯的磁性外腿彼此粘合; 插入穿过第一芯的磁中心腿和第二芯的磁中心腿的线轴,初级线圈和次级线圈缠绕在线轴上; 以及弹性构件,其在所述变压器的内侧方向上在所述第二粘合部附近向所述第一芯的磁性外腿和所述第二芯的磁性外腿施加压力。
    • 7. 发明授权
    • Power supply device for image forming apparatus, and image forming apparatus using the same
    • 用于图像形成装置的电源装置,以及使用该装置的图像形成装置
    • US06373232B1
    • 2002-04-16
    • US09705727
    • 2000-11-06
    • Hiroshi ManoMinoru Hayasaki
    • Hiroshi ManoMinoru Hayasaki
    • G05F140
    • G05F1/40G03G15/2003G03G15/80H03K17/0406
    • This invention provides a power supply device which widens a narrow output control width which is a drawback of a conventional voltage resonant power supply, and in adopting as a switching control element a low-cost IGBT (Insulated Gate Bipolar Transistor) which permits a large current, optimizes a gate signal waveform to minimize a switching loss in control because the IGBT has a larger loss than an FET. A voltage resonant converter includes a switching IGBT (201) connected to a power supply, a first resonant capacitor (204) series-connected to the IGBT (201), an IGBT (202) series-connected to the first resonant capacitor (204), an exciting coil (18) connected between the power supply and a node between the first resonant capacitor (204) and the IGBT (202), a second resonant capacitor (205) parallel-connected to the IGBT (202), and regenerative diodes (206, 207) respectively parallel-connected to the IGBTs (201, 202). A gate control signal to the IGBTs (201, 202) allows generating a switching timing signal by waveform shaping from a transmission voltage (3) of an insulated driving transformer to ensure reliable switching operation.
    • 本发明提供一种电源装置,该电源装置能够扩大作为常规电压谐振电源的缺点的窄输出控制宽度,并且采用允许大电流的低成本IGBT(绝缘栅双极型晶体管)作为开关控制元件 优化栅极信号波形以最小化控制中的开关损耗,因为IGBT具有比FET更大的损耗。 电压谐振变换器包括与电源连接的开关IGBT(201),与IGBT(201)串联连接的第一谐振电容器(204),与第一谐振电容器(204)串联连接的IGBT(202) 连接在电源与第一谐振电容器(204)和IGBT(202)之间的节点之间的励磁线圈(18),与IGBT(202)并联连接的第二谐振电容器(205)和再生二极管 (206,207),分别并联连接到所述IGBT(201,202)。 对IGBT(201,202)的栅极控制信号允许通过从绝缘驱动变压器的发送电压(3)的波形整形产生开关定时信号,以确保可靠的开关操作。
    • 8. 发明授权
    • Heating device, image forming apparatus, and electric-power control method
    • 加热装置,成像装置和电力控制方法
    • US06359269B1
    • 2002-03-19
    • US09626384
    • 2000-07-26
    • Minoru HayasakiHiroshi Mano
    • Minoru HayasakiHiroshi Mano
    • H05B608
    • H05B6/145G03G15/2003
    • A heating device for heating a material to be heated according to a magnetic-induction heating method includes a magnetic-field generator for generating a magnetic field, an electromagnetic-induction heating member for performing electromagnetic-induction heating by the magnetic field generated by the magnetic-field generator, a current detector for detecting a current flowing in the magnetic-field generator, a controller for controlling electric power supplied to the magnetic-field generator based on a result of detection of the current detector, and a current limiter for limiting a maximum current flowing in the magnetic-field generator based on the result of detection of the current detector.
    • 根据磁感应加热方法加热待加热材料的加热装置包括用于产生磁场的磁场发生器,用于通过磁场产生的磁场进行电磁感应加热的电磁感应加热部件 场发生器,用于检测在磁场发生器中流动的电流的电流检测器,用于基于电流检测器的检测结果控制供给到磁场发生器的电力的控制器,以及用于限制 基于电流检测器的检测结果,在磁场发生器中流动的最大电流。