Discharging circuit and power supply
    2.
    发明公开
    Discharging circuit and power supply 有权
    Entladungsschaltung und Stromzufuhr

    公开(公告)号:EP2495854A2

    公开(公告)日:2012-09-05

    申请号:EP12155502.3

    申请日:2012-02-15

    IPC分类号: H02M1/12

    CPC分类号: H02M1/32 H02M2001/322

    摘要: A discharging circuit (100) includes a filter unit (102) connected between the input lines of a commercial AC power supply, a switch (170) whose operations are controlled by the filter unit and a discharging unit (120) which discharges voltage of a capacitance element (141) when the switch unit is turned on.

    摘要翻译: 放电电路(100)包括连接在商用AC电源的输入线之间的滤波器单元(102),其操作由滤波器单元控制的开关(170)和放电单元(120),放电单元 开关单元接通时的电容元件(141)。

    Power supply device and image forming apparatus
    5.
    发明公开
    Power supply device and image forming apparatus 审中-公开
    Stromversorgungsvorrichtung und Bilderzeugungsvorrichtung

    公开(公告)号:EP2637294A2

    公开(公告)日:2013-09-11

    申请号:EP13156778.6

    申请日:2013-02-26

    IPC分类号: H02M3/335

    摘要: The power supply device includes a transformer, a switching unit for driving a primary side of the transformer, a control unit for outputting a pulse signal to the switching unit to control a switching operation including a period during which the switching unit is active and a period during which the switching unit is inactive, in order to output predetermined electric power from a secondary side of the transformer, and an output control unit for continuously outputting a pulse signal to the control unit in the period during which the switching unit is active, at a predetermined cycle shorter than the period during which the switching unit is inactive.

    摘要翻译: 电源装置包括变压器,用于驱动变压器的初级侧的开关单元,用于向开关单元输出脉冲信号以控制开关动作的控制单元,该开关动作包括切换单元活动的期间和周期 在该期间,切换单元不工作,以便从变压器的次级侧输出预定的电力;以及输出控制单元,用于在切换单元处于活动状态的期间内将脉冲信号连续地输出到控制单元, 比开关单元不活动的周期短的预定周期。

    Image heating apparatus
    6.
    发明公开
    Image heating apparatus 失效
    图像加热装置

    公开(公告)号:EP0816942A1

    公开(公告)日:1998-01-07

    申请号:EP97110561.4

    申请日:1997-06-27

    IPC分类号: G03G15/20

    CPC分类号: G03G15/2053

    摘要: An image heating apparatus is constructed by a heat generating member (100) having a conductive layer (1a) and a magnetic field generating apparatus (4) for generating a magnetic field. The magnetic field generating apparatus has an exciting coil (4a,b) and an electric power is supplied from a power source to the exciting coil by a switching circuit. An eddy current is generated in the heating member by the magnetic field generated by the magnetic field generating apparatus, the heat generating member generates a heat by the eddy current, and an image on a recording material is heated by the heat. The exciting coil has a first coil portion and a second coil portion for matching the impedances of the first coil portion and the heat generating member. The first coil portion and the second coil portion are neighboring. The magnetic coupling between the second coil portion and the heat generating member is weaker than that between the first coil portion and the heat generating member. The second coil portion is away from the heat generating member than the first coil portion. The first coil portion and the second coil portion are serially connected. The number of turns of the second coil portion is smaller than that of the first coil portion.

    摘要翻译: 图像加热装置由具有导电层(1a)和用于产生磁场的磁场产生装置(4)的发热元件(100)构成。 磁场发生装置具有励磁线圈(4a,b),通过开关电路从电源向励磁线圈供给电力。 通过由磁场产生装置产生的磁场在加热部件中产生涡电流,发热部件通过涡电流产生热量,并且记录材料上的图像被加热。 励磁线圈具有第一线圈部分和第二线圈部分,用于匹配第一线圈部分和发热元件的阻抗。 第一线圈部分和第二线圈部分相邻。 第二线圈部分和发热元件之间的磁耦合比第一线圈部分和发热元件之间的磁耦合弱。 第二线圈部分比第一线圈部分远离发热元件。 第一线圈部分和第二线圈部分串联连接。 第二线圈部分的匝数小于第一线圈部分的匝数。

    Power supply device and image forming apparatus
    7.
    发明公开
    Power supply device and image forming apparatus 审中-公开
    电源装置和图像形成装置

    公开(公告)号:EP2637295A3

    公开(公告)日:2018-02-28

    申请号:EP13158109.2

    申请日:2013-03-07

    IPC分类号: H02M3/335

    摘要: The power supply device includes a transformer, a switching unit for driving a primary side of the transformer, a detection unit for detecting an output corresponding to a current flowing on the primary side, a transmission unit for transmitting an output voltage from a secondary side to the primary side, and a control unit for controlling an operation of the switching unit in accordance with an output from the transmission unit, in which, when a switching frequency for driving the switching unit falls within a predetermined frequency range including a resonant frequency of the transformer, the control unit controls the switching unit so as to shorten a turn-ON time of the switching unit in accordance with an output from the detection unit.

    摘要翻译: 该电源装置包括变压器,用于驱动变压器的初级侧的开关单元,用于检测与在初级侧上流动的电流相对应的输出的检测单元,用于将输出电压从次级侧传输到 初级侧和控制单元,用于根据来自传输单元的输出来控制开关单元的操作,其中,当用于驱动开关单元的开关频率落入包括该开关单元的谐振频率的预定频率范围内时 所述控制单元根据来自所述检测单元的输出来控制所述切换单元,以缩短所述切换单元的接通时间。

    Power supply device and image forming apparatus
    8.
    发明公开
    Power supply device and image forming apparatus 审中-公开
    电源装置和图像形成装置

    公开(公告)号:EP2637294A3

    公开(公告)日:2017-07-12

    申请号:EP13156778.6

    申请日:2013-02-26

    IPC分类号: H02M3/335

    摘要: The power supply device includes a transformer, a switching unit for driving a primary side of the transformer, a control unit for outputting a pulse signal to the switching unit to control a switching operation including a period during which the switching unit is active and a period during which the switching unit is inactive, in order to output predetermined electric power from a secondary side of the transformer, and an output control unit for continuously outputting a pulse signal to the control unit in the period during which the switching unit is active, at a predetermined cycle shorter than the period during which the switching unit is inactive.

    摘要翻译: 该电源装置包括变压器,用于驱动变压器的初级侧的开关单元,用于向开关单元输出脉冲信号以控制开关操作的控制单元,该开关操作包括开关单元有效的期间和期间 在此期间,切换单元不工作,以便从变压器的次级侧输出预定的电力,以及输出控制单元,用于在切换单元工作的时间段内持续向控制单元输出脉冲信号,在 比切换单元不活动的时间段更短的预定周期。

    Power supply device and image forming apparatus
    9.
    发明公开
    Power supply device and image forming apparatus 审中-公开
    Stromversorgungsvorrichtung und Bilderzeugungsvorrichtung

    公开(公告)号:EP2637295A2

    公开(公告)日:2013-09-11

    申请号:EP13158109.2

    申请日:2013-03-07

    IPC分类号: H02M3/335

    摘要: The power supply device includes a transformer, a switching unit for driving a primary side of the transformer, a detection unit for detecting an output corresponding to a current flowing on the primary side, a transmission unit for transmitting an output voltage from a secondary side to the primary side, and a control unit for controlling an operation of the switching unit in accordance with an output from the transmission unit, in which, when a switching frequency for driving the switching unit falls within a predetermined frequency range including a resonant frequency of the transformer, the control unit controls the switching unit so as to shorten a turn-ON time of the switching unit in accordance with an output from the detection unit.

    摘要翻译: 电源装置包括变压器,用于驱动变压器的初级侧的开关单元,用于检测与在一次侧流动的电流相对应的输出的检测单元,用于将次级侧的输出电压发送到 初级侧,以及控制单元,用于根据来自发送单元的输出来控制开关单元的动作,其中,当用于驱动开关单元的开关频率落在包括所述开关单元的谐振频率的预定频率范围内时 变压器,控制单元控制开关单元,以便根据检测单元的输出缩短开关单元的导通时间。

    Switching power source and image forming apparatus
    10.
    发明公开
    Switching power source and image forming apparatus 审中-公开
    Schaltnetzteil und Bilderzeugungsvorrichtung

    公开(公告)号:EP2568590A2

    公开(公告)日:2013-03-13

    申请号:EP12183257.0

    申请日:2012-09-06

    IPC分类号: H02M3/335

    摘要: In a switching power source, in a state where a second voltage smaller than a first voltage is output from an output means by intermittently driving a switching means (108), the switching means (108) changes a number of driving times of the switching means (108) for each driving cycle when the switching means (108) is intermittently driven.

    摘要翻译: 在开关电源中,在通过间歇地驱动开关装置(108)从输出装置输出小于第一电压的第二电压的状态下,开关装置(108)改变开关装置的驱动次数 (108)间歇地驱动时,用于每个驱动循环。