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11.发明公开Switching power source, power-supply system and image forming apparatus 审中-公开Schaltnetzteil，Stromversorgungssystem und Bilderzeugungsvorrichtung
公开(公告)号：EP2750273A2
公开(公告)日：2014-07-02
申请号：EP13186173.4
申请日：2013-09-26
发明人： Inukai, Katsumi
摘要： A switching power source (20) includes: a transformer (23); a semiconductor switching element (25) that is provided at a primary side of the transformer (23); a rectifying-and-smoothing circuit (27) that is provided at a secondary side of the transformer (23); a switching controller (50) configured to perform a switching control to turn on-and-off the semiconductor switching element (25), wherein the switching controller (50) comprises: a stoppage circuit (67) configured to perform a stoppage process to stop the switching control when a first-level control signal is input, a restart circuit (65) configured to restart the switching control when a second-level control signal different in its level from the first-level control signal, and a limiting circuit (71) configured to limit, at the time of a start-up of the switching power source, a performance of the stoppage process performed by the stoppage circuit (67) until an output voltage of the switching power source (20) increases to a target voltage.
摘要翻译： 开关电源（20）包括：变压器（23）; 设置在变压器（23）的初级侧的半导体开关元件（25）; 设置在变压器（23）的次级侧的整流平滑电路（27）; 切换控制器（50），被配置为执行切换控制以打开和关闭所述半导体开关元件（25），其中所述切换控制器（50）包括：停止电路（67），被配置为执行停止处理以停止 当输入第一级控制信号时的切换控制，当被配置为当其电平与第一级控制信号不同的第二级控制信号时重新开始切换控制的重启电路（65）和限制电路 ），其被配置为在开关电源启动时限制停止电路（67）执行的停止处理的性能，直到开关电源（20）的输出电压升高到目标电压 。
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12.发明公开Heating apparatus and image forming apparatus having the same 有权Heizvorrichtung und damitausgerüsteteBilderzeugungsvorrichtung
公开(公告)号：EP2498137A2
公开(公告)日：2012-09-12
申请号：EP12158289.4
申请日：2012-03-06
IPC分类号： G03G15/20
CPC分类号： G03G15/2039
摘要： A heating apparatus includes a switching circuit configured to switch on/off current-feeding from an AC power source to the heater, a temperature detector configured to detect a temperature of the heater, and a current-feed controller configured to execute a first current-feed mode of changing a current-feed ratio of current-feeding time to unit time by controlling switching of the switching circuit so that the temperature detected by the temperature detector falls within a target range. The current-feed controller executes a second current-feed mode of fixing the current-feed ratio to almost 100% or almost 0% during execution of the first current-feed mode in place of the first current-feed mode.
摘要翻译： 一种加热装置，包括：开关电路，被配置为从AC电源向加热器接通/断开电流馈送;温度检测器，被配置为检测加热器的温度;以及电流馈送控制器，被配置为执行第一电流 - 通过控制切换电路的切换使得由温度检测器检测到的温度落在目标范围内，将馈电时间的电流馈送比改变为单位时间的馈电模式。 电流馈送控制器执行第二电流馈送模式，以在执行第一电流馈送模式期间将电流馈送比固定为几乎100％或几乎为0％，代替第一电流馈送模式。
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公开(公告)号：EP2451067A2
公开(公告)日：2012-05-09
申请号：EP11187728.8
申请日：2011-11-03
发明人： Inukai, Katsumi
摘要： A power supply system includes: a switching power supply (10); and a control device, wherein the switching power supply (10) includes: a transformer (23); a semiconductor switching element (25); a switch control unit (50); and a rectifying/smoothing circuit (21), the switch control unit is supplied with power from the main power supply (15), starts to control the switching of the semiconductor switching element (25), and oscillates a primary side (N1) of the transformer (23) to induce a voltage on the secondary side (N2) of the transformer (23), the control device outputs a control pulse signal to the switch control unit (50) to stop the oscillation of the transformer (23), thereby changing the mode of the switching power supply to an output stop mode, in an output mode in which the switching power supply smoothes the voltage induced on the secondary side and outputs the smoothed voltage.
摘要翻译： 一种电源系统，包括：开关电源（10）; 和控制装置，其中所述开关电源（10）包括：变压器（23）;以及控制器 一个半导体开关元件（25）; 开关控制单元（50）; 和整流平滑电路（21），从主电源（15）向开关控制单元供电，开始控制半导体开关元件（25）的开关，并且振荡初级侧（N1）的 变压器（23）在变压器（23）的次级侧（N2）上感应出电压，控制装置向开关控制单元（50）输出控制脉冲信号以停止变压器（23）的振荡， 从而在开关电源平滑次级侧上感应的电压并输出平滑后的电压的输出模式中将开关电源的模式改变为输出停止模式。
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16.发明授权
公开(公告)号：EP2551681B1
公开(公告)日：2017-10-04
申请号：EP12177218.0
申请日：2012-07-20
发明人： Inukai, Katsumi
IPC分类号： G01R19/175 , H02M1/08
CPC分类号： G01R19/175 , H02M1/083 , H02M2007/2195 , Y02B70/1408
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17.发明公开Power supply system and image forming apparatus 审中-公开Stromversorgungssystem und Bilderzeugungsvorrichtung
公开(公告)号：EP2451067A3
公开(公告)日：2017-01-11
申请号：EP11187728.8
申请日：2011-11-03
发明人： Inukai, Katsumi
摘要： A power supply system includes: a switching power supply (10); and a control device, wherein the switching power supply (10) includes: a transformer (23); a semiconductor switching element (25); a switch control unit (50); and a rectifying/smoothing circuit (21), the switch control unit is supplied with power from the main power supply (15), starts to control the switching of the semiconductor switching element (25), and oscillates a primary side (N1) of the transformer (23) to induce a voltage on the secondary side (N2) of the transformer (23), the control device outputs a control pulse signal to the switch control unit (50) to stop the oscillation of the transformer (23), thereby changing the mode of the switching power supply to an output stop mode, in an output mode in which the switching power supply smoothes the voltage induced on the secondary side and outputs the smoothed voltage.
摘要翻译： 电源系统包括：开关电源（10）; 和控制装置，其中所述开关电源（10）包括：变压器（23）; 半导体开关元件（25）; 开关控制单元（50）; 以及整流/平滑电路（21），开关控制单元从主电源（15）供电，开始控制半导体开关元件（25）的开关，并使第一侧（N1）振荡 所述变压器（23）在所述变压器（23）的次级侧（N2）上感应出电压，所述控制装置向所述开关控制单元（50）输出控制脉冲信号，以停止所述变压器（23）的振荡， 从而在切换电源使二次侧感应的电压平滑并输出平滑电压的输出模式中将开关电源的模式改变为输出停止模式。
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公开(公告)号：EP2551681A2
公开(公告)日：2013-01-30
申请号：EP12177218.0
申请日：2012-07-20
发明人： Inukai, Katsumi
IPC分类号： G01R19/175
CPC分类号： G01R19/175 , H02M1/083 , H02M2007/2195 , Y02B70/1408
摘要： A zero-crossing detector circuit includes: a first capacitor including a first electrode configured to connect to one end of an AC power supply and a second electrode; a second capacitor including a first electrode configured to connect to the other end of the AC power supply and a second electrode; a current path, which is connected in series between the second electrode of the first capacitor and the second electrode of the second capacitor, and which is connected to a reference potential, and which generates a second-electrode-side voltage when the AC current passes through the current path; a signal converting circuit, which is connected to the AC power supply to receive the second-electrode-side voltage and then converts the second-electrode-side voltage into a pulse signal; and a detecting unit, which detects a pulse period of the pulse signal, which and detects zero-crossing points by using the pulse period.
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19.发明公开Image forming apparatus and method for controlling charger 有权Vorrichtung zur Bilderzeugung und Verfahren zur Steuerung einesLadegeräts
公开(公告)号：EP2423757A1
公开(公告)日：2012-02-29
申请号：EP11159058.4
申请日：2011-03-21
发明人： Inukai, Katsumi
IPC分类号： G03G15/02
CPC分类号： G03G15/0291 , G03G2215/027
摘要： An image forming apparatus including: one or a plurality of photosensitive drums; a plurality of chargers each having a grid, a voltage applying unit generating a charging voltage; a plurality of grid constant voltage circuits, each of the plurality of grid constant voltage circuits including: a voltage detecting unit that detects a voltage based on a grid voltage which is generated in the grid; a first current detecting unit detecting a first current; a voltage control line making the grid voltage constant; and an operation control device performing a feedback control such that the detected voltage has a predetermined voltage value; at least one of a second current detecting units detecting a second current flowing; and a controller controlling the voltage applying unit such that a sum of the first current and the second current corresponding to one of the plurality of chargers becomes a predetermined current value.
摘要翻译： 一种图像形成装置，包括：一个或多个感光鼓; 多个充电器，每个充电器具有电网;电压施加单元，产生充电电压; 多个栅极恒压电路，所述多个栅极恒压电路中的每一个包括：电压检测单元，其基于在所述栅格中产生的电网电压来检测电压; 检测第一电流的第一电流检测单元; 使电网电压恒定的电压控制线; 以及执行反馈控制使得所检测的电压具有预定电压值的操作控制装置; 检测第二电流流动的第二电流检测单元中的至少一个; 以及控制所述电压施加单元的控制器，使得对应于所述多个充电器之一的所述第一电流和所述第二电流的和变为预定电流值。
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20.发明公开Image forming apparatus with a plurality of scorotron chargers 审中-公开Bilderzeugungsvorrichtung mit mehreren Scorotron-Aufladern
公开(公告)号：EP2416221A1
公开(公告)日：2012-02-08
申请号：EP11159866.0
申请日：2011-03-25
IPC分类号： G03G15/02
CPC分类号： G03G15/0291 , G03G2215/027
摘要： An image forming apparatus including: a plurality of photosensitive drums; a plurality of scorotron chargers provided for the plurality of photosensitive drums, respectively, a voltage application circuit commonly connected to the plurality of scorotron chargers, a plurality of wires provided for the plurality of scorotron chargers, respectively; a plurality of grid electrodes provided for the plurality of scorotron chargers, respectively; at least one of current detecting units provided for at least one of the plurality of grid electrodes, respectively, and at least one of the current detecting units detecting grid current which flows into at least one of the grid electrodes, respectively; and a control device configured to control the voltage application circuit such that at least one of the grid currents detected by at least one of the current detecting units become equal to or higher than a reference value.
摘要翻译： 一种图像形成装置，包括：多个感光鼓; 分别为多个感光鼓设置的多个烧烤炉充电器，分别与多个烤炉充电器共同连接的电压施加电路，分别为多个烤火炉充电器提供的多根电线; 多个栅电极，分别设置在多个遮光器充电器上; 至少一个电流检测单元分别为所述多个栅格电极中的至少一个提供，并且所述电流检测单元中的至少一个分别检测流入至少一个栅格电极的栅极电流; 以及控制装置，其被配置为控制所述电压施加电路，使得由所述电流检测单元中的至少一个检测到的电网电流中的至少一个变为等于或高于参考值。
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