Switching power supply unit
    31.
    发明申请
    Switching power supply unit 有权
    开关电源单元

    公开(公告)号:US20060209582A1

    公开(公告)日:2006-09-21

    申请号:US10555256

    申请日:2005-02-21

    申请人: Mamoru Tsuruya

    发明人: Mamoru Tsuruya

    IPC分类号: H02M7/00

    摘要: A switching power source apparatus has a series circuit connected to both ends of a DC power source Vdc1 and having a reactor L3, a primary winding 5a of a transformer T, and a switch Q1, a series circuit connected to both ends of the primary winding and having an auxiliary switch Q2 and a clamp capacitor C3, a saturable reactor SL1 connected in parallel with the primary winding, a rectifying-smoothing circuit D1, D2, L1, C4 for rectifying and smoothing a voltage generated on a secondary winding 5b, and a control circuit 10 for alternately turning on/off the switches Q1 and Q2 and turning off the switch Q2 if a current of the switch Q2 increases due to saturation of the saturable reactor SL1. The reactor L3 is made of leakage inductance between the primary and secondary windings. In the transformer T, the primary winding is divided into two sections that are connected in series, the secondary winding is arranged between the two sections of the primary winding, and the numbers of turns of the two sections of the primary winding are adjusted to adjust the leakage inductance to saturate the saturable reactor SL1.

    摘要翻译: 开关电源装置具有连接在直流电源Vdc1的两端的串联电路,具有电抗器L 3,变压器T的初级绕组5a和开关Q 1,连接到两端的串联电路 的初级绕组,具有辅助开关Q 2和钳位电容器C 3,与初级绕组并联连接的可饱和电抗器SL 1,整流用的整流平滑电路D1,D2,L1,C4,以及 平滑次级绕组5b上产生的电压;以及控制电路10,用于交替地接通/关断开关Q 1和Q 2,并且如果开关Q 2的电流由于 饱和反应器SL 1。 电抗器L 3由初级和次级绕组之间的漏电感组成。 在变压器T中,初级绕组分为串联连接的两个部分,次级绕组布置在初级绕组的两个部分之间,初级绕组的两个部分的匝数被调节以调整 漏电感使饱和反应器SL 1饱和。

    DC/DC converter
    32.
    发明申请
    DC/DC converter 有权
    DC / DC转换器

    公开(公告)号:US20060208713A1

    公开(公告)日:2006-09-21

    申请号:US11350823

    申请日:2006-02-10

    申请人: Mamoru Tsuruya

    发明人: Mamoru Tsuruya

    IPC分类号: G05F1/00

    摘要: A DC/DC converter according to the present invention includes a first switch connected to both ends of the DC power supply through a primary winding of a first transformer, a second switch connected to both ends of the DC power supply through a primary winding of a second transformer, a first series circuit connected between a node to which the primary winding of the first transformer and one end of the first switch are connected, and another end of the first switch, the first series circuit including a first diode, a smoothing capacitor, and an additional winding of the first transformer, which is connected to the primary winding of the first transformer in series, a second series circuit connected between a node to which the primary winding of the second transformer and one end of the second switch are connected, and another end of the second switch, the second series circuit including a second diode, the smoothing capacitor, and an additional winding of the second transformer, which is connected to the primary winding of the second transformer in series, a reactor connected to both ends of a series circuit in which a secondary winding of the first transformer and a secondary winding of the second transformer are connected in series, and a control circuit which turns on and off the first and second switches with a phase difference of half a cycle.

    摘要翻译: 根据本发明的DC / DC转换器包括通过第一变压器的初级绕组连接到直流电源的两端的第一开关,通过第一变压器的初级绕组连接到直流电源的两端的第二开关 第二变压器,连接在所述第一变压器的初级绕组与所述第一开关的一端连接的节点与所述第一开关的另一端的第一串联电路,所述第一串联电路包括第一二极管,平滑电容器 以及与第一变压器的初级绕组串联连接的第一变压器的附加绕组,连接在第二变压器的初级绕组与第二开关的一端连接的节点之间的第二串联电路 和第二开关的另一端,第二串联电路包括第二二极管,平滑电容器和第二变压器的附加绕组,其中 串联连接到第二变压器的初级绕组,连接到串联电路的两端的电抗器,其中第一变压器的次级绕组和第二变压器的次级绕组串联连接;以及控制电路, 以半周期的相位差打开和关闭第一和第二开关。

    DC/DC converter
    33.
    发明申请

    公开(公告)号:US20060208712A1

    公开(公告)日:2006-09-21

    申请号:US11350769

    申请日:2006-02-10

    申请人: Mamoru Tsuruya

    发明人: Mamoru Tsuruya

    IPC分类号: G05F1/12 G05F1/46

    摘要: A DC/DC converter according to the present invention includes first and second transformers, each including a primary winding and a secondary winding, the primary winding including first and second windings, a first diode connected to both ends of a series circuit including the DC power supply, a first switch, and the first winding of the first transformer, a second diode connected to both ends of a series circuit including the DC power supply, a second switch, and the first winding of the second transformer, a first series circuit connected to both ends of the first diode, the first series circuit including the second winding of the first transformer and a smoothing capacitor, a second series circuit connected to both ends of the second diode, the second series circuit including the second winding of the second transformer and the smoothing capacitor, a reactor connected to both ends of a series circuit including the secondary winding of the first transformer and the secondary winding of the second transformer, and a control circuit which turns on and off the first and second switches with a phase difference of half a cycle.

    DC-DC converter
    34.
    发明授权
    DC-DC converter 有权
    DC-DC转换器

    公开(公告)号:US08111053B2

    公开(公告)日:2012-02-07

    申请号:US12179036

    申请日:2008-07-24

    CPC分类号: H02M3/1584

    摘要: The present invention provides a DC-DC converter including a first series circuit connected to both ends of a first switch and formed of a winding of a first transformer, a first reactor, a first diode, and a smoothing capacitor, a second diode connected to a connection point of a primary winding of the first transformer, the winding of the first transformer and the first switch, and to one end of the smoothing capacitor, a second series circuit connected to both ends of a second switch and formed of a winding of a second transformer, a second reactor, a third diode, and the smoothing capacitor, a fourth diode connected to a connection point of a primary winding of the second transformer, the winding of the second transformer and the second switch, and to the one end of the smoothing capacitor, a third reactor connected to both ends of a series circuit of a secondary winding of the first transformer and a secondary winding of the second transformer, and a control circuit which alternately turns on the first switch and the second switch every ½ cycle, turns off the first switch during an on-period of the second switch, and turns off the second switch during an on-period of the first switch.

    摘要翻译: 本发明提供了一种DC-DC转换器,包括连接到第一开关两端并由第一变压器的绕组,第一电抗器,第一二极管和平滑电容器构成的第一串联电路,第二二极管连接到 第一变压器的初级绕组的连接点,第一变压器的绕组和第一开关的连接点以及平滑电容器的一端,连接到第二开关的两端的第二串联电路, 第二变压器,第二电抗器,第三二极管和平滑电容器,连接到第二变压器的初级绕组的连接点的第四二极管,第二变压器的绕组和第二开关的一端, 的平滑电容器,连接到第一变压器的次级绕组的串联电路的两端的第三电抗器和第二变压器的次级绕组,以及控制电路, 每½周期开启第一个开关和第二个开关,在第二个开关的导通期间关闭第一个开关,并在第一个开关的导通期间关闭第二个开关。

    Power factor improving circuit
    35.
    发明授权
    Power factor improving circuit 有权
    功率因数改善电路

    公开(公告)号:US07466110B2

    公开(公告)日:2008-12-16

    申请号:US10576708

    申请日:2005-07-26

    申请人: Mamoru Tsuruya

    发明人: Mamoru Tsuruya

    IPC分类号: G05F1/70 G05F1/00

    CPC分类号: H02M1/4225 Y02B70/126

    摘要: A power factor improving circuit including: a boost reactor that inputs a rectified voltage obtained by rectifying an AC power supply voltage of an AC power supply by a rectifier circuit; a main switch that inputs the rectified voltage through the boost reactor and is turned on/off; a converting section that converts a voltage obtained when the main switch is turned on/off into a DC output voltage; and a control section that controls turn-on/off of the main switch to shape an AC power supply current to a sine wave form, controls an output voltage of the converting section to a predetermined voltage, and controls a switching frequency of the main switch according to a value of current flowing into the AC power supply, or that of current flowing into the rectifier, or that of current flowing into the main switch.

    摘要翻译: 一种功率因数提高电路,包括:升压电抗器,其输入通过整流电路整流交流电源的交流电源电压而获得的整流电压; 主开关,其通过升压电抗器输入整流电压并开/关; 转换部分,其将当主开关导通/截止时获得的电压转换成DC输出电压; 以及控制部,其控制所述主开关的接通/断开以将交流电源电流形成正弦波形,将所述转换部的输出电压控制为预定电压,并且控制所述主开关的开关频率 根据流入AC电源的电流值或流入整流器的电流值,或者流入主开关的电流值。

    Switching power supply device
    36.
    发明授权
    Switching power supply device 有权
    开关电源装置

    公开(公告)号:US07405951B2

    公开(公告)日:2008-07-29

    申请号:US10534795

    申请日:2004-06-14

    申请人: Mamoru Tsuruya

    发明人: Mamoru Tsuruya

    IPC分类号: H02M3/335

    摘要: A switching power supply includes: a first series circuit, connected to both terminals of a direct current power supply Vdc1, in which a primary winding 5a of a transformer T, a reactor L3 and a first switch Q1 are connected in series; a second series circuit, connected to both terminals of the primary winding 5a and the reactor L3, which includes a switch Q2 and a capacitor C3; a smoothing circuit D1, D2, L1, C4; and a control circuit 10 alternately turning on and turning off the switches Q1, Q2. The transformer T includes: a main core 21, formed with a magnetic circuit, on which the primary and secondary windings 5a, 5b are wound with a given gap 23; and a plurality of auxiliary cores 24a, 24b disposed in the given gap 23 with a given distance in a circumferential direction of the primary winding 5a. Further, the reactor L3 is formed of a leakage inductance of the transformer T.

    摘要翻译: 开关电源包括:连接到直流电源Vdc1的两个端子的第一串联电路,其中变压器T的初级绕组5a,电抗器L 3和第一开关Q 1串联连接 ; 连接到初级绕组5a的两个端子和包括开关Q 2和电容器C 3的电抗器L 3的第二串联电路; 平滑电路D 1,D 2,L 1,C 4; 并且控制电路10交替地接通和断开开关Q 1,Q 2。 变压器T包括:形成有磁路的主芯21,初级和次级绕组5a,5b在其上以给定的间隙23缠绕; 以及在初级绕组5a的圆周方向上以给定距离设置在给定间隙23中的多个辅助芯24a,24b。 此外,电抗器L 3由变压器T的漏电感形成。

    Amplifying circuit, noise reducing apparatus and power converting apparatus
    37.
    发明授权
    Amplifying circuit, noise reducing apparatus and power converting apparatus 有权
    放大电路,降噪装置和电力转换装置

    公开(公告)号:US07230488B2

    公开(公告)日:2007-06-12

    申请号:US11278944

    申请日:2006-04-06

    申请人: Mamoru Tsuruya

    发明人: Mamoru Tsuruya

    IPC分类号: H03F3/26

    CPC分类号: H02M1/15 H02M1/12

    摘要: An amplifying circuit, which generates a compensation current based on a detection result of a leakage current flowing between an AC power source for supplying power and a power converting circuit section, includes a main amplifier having transistors and a correction amplifier connected in parallel to the main amplifier. Capacitors are connected between each base of transistors, forming the main amplifier and the correction amplifier, and a ground line, and between an output terminal of the correction amplifier and the ground line, respectively, and an impedance ratio of these capacitors is adjusted, thereby adjusting an amplification ratio.

    摘要翻译: 基于在用于供电的AC电源和功率转换电路部分之间流动的漏电流的检测结果产生补偿电流的放大电路包括具有晶体管的主放大器和与主电路并联连接的校正放大器 放大器 电容器连接在晶体管的每个基极之间,分别形成主放大器和校正放大器以及接地线,并且在校正放大器的输出端和接地线之间,并且调节这些电容器的阻抗比,从而 调整放大率。

    Power factor improving circuit
    38.
    发明申请
    Power factor improving circuit 有权
    功率因数改善电路

    公开(公告)号:US20070103949A1

    公开(公告)日:2007-05-10

    申请号:US10576708

    申请日:2005-07-26

    申请人: Mamoru Tsuruya

    发明人: Mamoru Tsuruya

    IPC分类号: H02M7/00

    CPC分类号: H02M1/4225 Y02B70/126

    摘要: A power factor improving circuit including: a boost reactor that inputs a rectified voltage obtained by rectifying an AC power supply voltage of an AC power supply by a rectifier circuit; a main switch that inputs the rectified voltage through the boost reactor and is turned on/off; a converting section that converts a voltage obtained when the main switch is turned on/off into a DC output voltage; and a control section that controls turn-on/off of the main switch to shape an AC power supply current to a sine wave form, controls an output voltage of the converting section to a predetermined voltage, and controls a switching frequency of the main switch according to a value of current flowing into the AC power supply, or that of current flowing into the rectifier, or that of current flowing into the main switch.

    摘要翻译: 一种功率因数提高电路,包括:升压电抗器,其输入通过整流电路整流交流电源的交流电源电压而获得的整流电压; 主开关,其通过升压电抗器输入整流电压并开/关; 转换部分,其将当主开关导通/截止时获得的电压转换成DC输出电压; 以及控制部,其控制所述主开关的接通/断开以将交流电源电流形成正弦波形,将所述转换部的输出电压控制为预定电压,并且控制所述主开关的开关频率 根据流入AC电源的电流值或流入整流器的电流值,或者流入主开关的电流值。

    DC conversion apparatus
    39.
    发明授权
    DC conversion apparatus 失效
    DC转换装置

    公开(公告)号:US07196913B2

    公开(公告)日:2007-03-27

    申请号:US11302184

    申请日:2005-12-14

    IPC分类号: H02M3/335

    摘要: A DC conversion apparatus includes a switch converting a DC voltage of a DC power source to a high-frequency voltage by being turned ON/OFF via a primary winding of a transformer, a series circuit of a switch and a clamp capacitor being connected to both ends of the primary winding, a synchronous rectifying circuit performing synchronous rectification of a high-frequency voltage generated at a secondary winding, a smoothing circuit smoothing a rectified output of the synchronous rectifying circuit by a smoothing reactor and a smoothing capacitor, a capacitor storing energy stored in the smoothing reactor due to a current backflow of the synchronous rectifying circuit caused under light load condition, a switch being turned ON in synchronization with the switch and returning the energy stored in the capacitor to the clamp capacitor on the primary side via the transformer, and a control circuit turning the switch and the switch ON/OFF states alternately.

    摘要翻译: 直流转换装置包括通过经由变压器的初级绕组接通/断开将直流电源的直流电压转换为高频电压的开关,开关的串联电路和钳位电容器被连接到两者 初级绕组的端部,对次级绕组产生的高频电压进行同步整流的同步整流电路,平滑电抗器和平滑电容器平滑同步整流电路的整流输出的平滑电路,存储能量的电容器 存储在平滑电抗器中由于在轻负载条件下引起的同步整流电路的电流回流,开关与开关同步地导通,并且通过变压器将存储在电容器中的能量返回到初级侧的钳位电容器 并且交替地使开关和开关接通/断开状态的控制电路。

    DC/DC CONVERTER
    40.
    发明申请
    DC/DC CONVERTER 有权
    DC / DC转换器

    公开(公告)号:US20070046270A1

    公开(公告)日:2007-03-01

    申请号:US11465270

    申请日:2006-08-17

    申请人: Mamoru TSURUYA

    发明人: Mamoru TSURUYA

    IPC分类号: G05F1/12

    摘要: A DC/DC converter includes a first transformer and a second transformer each having primary windings and secondary windings respectively having first windings and second windings, a second switch connected to both ends of a first series circuit, a fourth switch connected to both ends of a second series circuit, a third series circuit being connected to both ends of the second switch and having the second winding and a second DC power supply, a fourth series circuit being connected to both ends of the fourth switch and having the second winding and the second DC power supply, a reactor connected to both ends of a series circuit having the secondary windings, and a control circuit turning ON/OFF the first and third switches with a phase difference of a half cycle and turning ON/OFF the second and fourth switches with a phase difference of a half cycle.

    摘要翻译: DC / DC转换器包括第一变压器和第二变压器,每个变压器和第二变压器各自具有初级绕组和次级绕组,其分别具有第一绕组和第二绕组,第二开关连接到第一串联电路的两端,第四开关连接到第一绕组和第二绕组的两端 第二串联电路,第三串联电路连接到第二开关的两端,并具有第二绕组和第二直流电源;第四串联电路连接到第四开关的两端,并具有第二绕组和第二绕组 直流电源,连接到具有次级绕组的串联电路的两端的电抗器,以及控制电路,以第一和第三开关的相位差开启/关闭第二和第四开关的相位差 相位差为半周期。