Apparatus and method of adapting a rectifier module to enhance cooling
    11.
    发明授权
    Apparatus and method of adapting a rectifier module to enhance cooling 失效
    适应整流器模块以增强冷却的装置和方法

    公开(公告)号:US06195257B1

    公开(公告)日:2001-02-27

    申请号:US09248963

    申请日:1999-02-13

    Abstract: A module mount for use in electrically and mechanically mounting an encapsulated power rectifier module, having a plurality of rigid leads protruding from a major mounting surface thereof, in an orientation in which the major mounting surface is substantially normal with respect to a substantially planar circuit board. In one embodiment, the module mount includes (1) a substantially planar substrate having a plurality of apertures located to register with the plurality of rigid leads and (2) a plurality of power conductors, associated with the plurality of apertures, that electrically couple the plurality of rigid leads to an edge interface on the substrate, the edge interface adapted to be coupled to the circuit board.

    Abstract translation: 一种用于电气和机械安装封装的功率整流器模块的模块安装座,其具有从其主要安装表面突出的多个刚性引线,其中所述主安装表面相对于基本上平面的电路板基本上是正常的 。 在一个实施例中,模块安装件包括(1)基本平坦的基板,具有多个孔,定位成与多个刚性引线对准,和(2)多个电源导体,其与多个孔相关联, 多个刚性引线到衬底上的边缘接口,边缘接口适于耦合到电路板。

    Circuit for reducing switching losses of a power converter and method of
operation thereof
    12.
    发明授权
    Circuit for reducing switching losses of a power converter and method of operation thereof 失效
    用于降低功率转换器的开关损耗的电路及其操作方法

    公开(公告)号:US5914587A

    公开(公告)日:1999-06-22

    申请号:US906536

    申请日:1997-08-05

    Applicant: Rui Liu

    Inventor: Rui Liu

    CPC classification number: H02M3/158

    Abstract: In a power converter having a power train that includes a power switch and a rectifier for conducting forward currents from the power switch, a circuit for, and method of, reducing switching losses associated with the power train. The circuit includes: (1) an auxiliary switch and an inductor coupled to the power train that reduce a switching loss associated with the power switch and (2) an impedance element series-coupled to the rectifier that reduces a change in current through the rectifier thereby decreasing a reverse recovery current flowing therethrough.

    Abstract translation: 在具有动力传动系的功率转换器中,该动力传动系包括功率开关和用于从功率开关导通正向电流的整流器,减小与传动系相关的开关损耗的电路和方法。 该电路包括:(1)辅助开关和耦合到动力传动系的电感器,其减小与功率开关相关联的开关损耗;以及(2)串联耦合到整流器的阻抗元件,其减小通过整流器的电流变化 从而减少流过其中的反向恢复电流。

    Annular device with battery cover
    13.
    发明授权
    Annular device with battery cover 失效
    带电池盖的环形装置

    公开(公告)号:US08623534B2

    公开(公告)日:2014-01-07

    申请号:US12889420

    申请日:2010-09-24

    CPC classification number: H01M2/1055 E05C19/06 H01M2/1022

    Abstract: An annular device includes an annular main body, a battery mounting portion, and a battery cover. The battery mounting portion protrudes from an inner surface of the main body, and includes a first arcuate element and a second arcuate element opposite to each other. The battery cover is operable to clasp the battery mounting portion, and includes a first arcuate member and a second arcuate member opposite to each other. The first arcuate member clasps the first arcuate surface, and the second arcuate member clasps the second arcuate surface.

    Abstract translation: 环形装置包括环形主体,电池安装部分和电池盖。 电池安装部从主体的内表面突出,并且包括彼此相对的第一弓形元件和第二弓形元件。 电池盖可操作地扣住电池安装部分,并且包括彼此相对的第一弓形构件和第二弓形构件。 第一弧形构件夹住第一弧形表面,并且第二弓形构件扣住第二弧形表面。

    Asymmetrical power converter and method of operation thereof
    16.
    发明授权
    Asymmetrical power converter and method of operation thereof 失效
    不对称功率转换器及其操作方法

    公开(公告)号:US6069798A

    公开(公告)日:2000-05-30

    申请号:US231520

    申请日:1999-01-14

    Applicant: Rui Liu

    Inventor: Rui Liu

    CPC classification number: H02M3/33569

    Abstract: An asymmetrical power converter and method of operation thereof. In one embodiment, the asymmetrical power converter includes (1) an isolation transformer having series-coupled first and second primary windings providing differing turns ratios therefrom, (2) a first power switch and a first input capacitor series-coupled to the first primary winding to form a first circulation path between the isolation transformer and an input of the asymmetrical power converter and (3) a second power switch and a second input capacitor series-coupled to the second primary winding to form a second circulation path between the isolation transformer and the input.

    Abstract translation: 非对称功率转换器及其操作方法。 在一个实施例中,非对称功率转换器包括(1)隔离变压器,其具有串联耦合的第一和第二初级绕组,从而提供不同的匝数比;(2)第一功率开关和第一输入电容器,其串联耦合到第一初级绕组 以形成隔离变压器和非对称功率转换器的输入端之间的第一循环路径,以及(3)串联耦合到第二初级绕组的第二功率开关和第二输入电容器,以形成隔离变压器和 输入。

    System and method for attenuating induced EMI and power converter
employing the same
    17.
    发明授权
    System and method for attenuating induced EMI and power converter employing the same 失效
    用于衰减感应EMI和使用其的功率转换器的系统和方法

    公开(公告)号:US06055164A

    公开(公告)日:2000-04-25

    申请号:US270708

    申请日:1999-03-17

    Applicant: Qing Chen Rui Liu

    Inventor: Qing Chen Rui Liu

    CPC classification number: H02M1/44 H02M1/126

    Abstract: An electromagnetic interference (EMI) filter, method of manufacturing therefor and power converter employing the EMI filter. In one embodiment, the EMI filter includes (1) a filter circuit board located outside a chassis and having an aperture that receives therethrough a bus bar extending from within the chassis, (2) a capacitor, mounted on the filter circuit board and coupled to the bus bar, that receives from the bus bar at least a portion of EMI induced into the bus bar from within the chassis and (3) a conductor, mounted on the filter circuit board and coupled between the capacitor and the chassis, that receives the portion from the capacitor and returns the portion to ground via the chassis.

    Abstract translation: 电磁干扰(EMI)滤波器,其制造方法和使用EMI滤波器的功率转换器。 在一个实施例中,EMI滤波器包括(1)位于机架外部的滤波器电路板,并且具有从其内部接收从底盘延伸的母线的孔,(2)安装在滤波器电路板上的耦合到 汇流条从汇流条接收从底盘中吸入汇流条的EMI的至少一部分,和(3)安装在滤波器电路板上并耦合在电容器和底盘之间的导体,其接收 部分从电容器并通过底盘将部分返回到地面。

    Switch drive controller, method of operation thereof and power converter
employing the same
    18.
    发明授权
    Switch drive controller, method of operation thereof and power converter employing the same 失效
    开关驱动控制器,其操作方法和使用该驱动控制器的功率转换器

    公开(公告)号:US6023158A

    公开(公告)日:2000-02-08

    申请号:US189389

    申请日:1998-11-10

    Applicant: Rui Liu

    Inventor: Rui Liu

    CPC classification number: H02M1/34 H02M3/158 H02M2001/342 Y02B70/1491

    Abstract: For use with a power converter coupled to a regulation circuit and having a power switch and an auxiliary switch coupled thereto, a controller, method of operating the power switch and auxiliary switch and a power converter employing the controller and method. In one embodiment, the controller includes a voltage conditioning network, parallel-coupled to the power switch, capable of sensing a voltage across the power switch and developing a conditioned voltage. The controller further includes a drive circuit, coupled to the voltage conditioning network, adapted to provide a drive signal to control the auxiliary switch as a function of the conditioned voltage and a regulation control signal from the regulation circuit.

    Abstract translation: 为了与耦合到调节电路并且具有耦合到其的功率开关和辅助开关的功率转换器一起使用,控制器,操作电源开关和辅助开关的方法以及采用该控制器和方法的功率转换器。 在一个实施例中,控制器包括并联耦合到电源开关的电压调节网络,其能够感测电力开关两端的电压并且产生经调节的电压。 控制器还包括耦合到电压调节网络的驱动电路,其适于提供驱动信号以根据调节电压和来自调节电路的调节控制信号来控制辅助开关。

    Control circuit for an in-rush current control element, and a protection
circuit and power supply employing the same
    19.
    发明授权
    Control circuit for an in-rush current control element, and a protection circuit and power supply employing the same 失效
    用于浪涌电流控制元件的控制电路,以及采用该浪涌电流控制元件的保护电路和电源

    公开(公告)号:US5991175A

    公开(公告)日:1999-11-23

    申请号:US191415

    申请日:1998-11-12

    Applicant: Rui Liu

    Inventor: Rui Liu

    CPC classification number: H03K17/0822 H02H9/001 H03K17/162 Y10S323/908

    Abstract: For use with a protection circuit having an in-rush current control element that controls in-rush current into a power converter, a control circuit, a method of controlling the in-rush current control element and a power supply employing the control circuit and method are provided. In one embodiment, the control circuit includes: (1) a sensor, coupled to the in-rush current control element, that senses an in-rush current through the in-rush current control element and produces an intermediate signal and (2) a controller, coupled to the sensor and the in-rush current control element, that controls the in-rush current control element to limit the in-rush current when the intermediate signal exceeds a first reference current signal and to substantially interrupt the in-rush current when the intermediate signal exceeds a second reference current signal.

    Abstract translation: 用于具有控制浪涌电流进入功率转换器的浪涌电流控制元件的保护电路,控制电路,控制浪涌电流控制元件的方法和使用该控制电路的方法 被提供。 在一个实施例中,控制电路包括:(1)耦合到浪涌电流控制元件的传感器,其感测通过浪涌电流控制元件的浪涌电流并产生中间信号,以及(2) 控制器,耦合到传感器和浪涌电流控制元件,其控制浪涌电流控制元件以在中间信号超过第一参考电流信号时限制浪涌电流并且基本上中断浪涌电流 当中间信号超过第二参考电流信号时。

    Asymmetrical half-bridge converter having distributed DC bias method of
operation thereof and power supply employing the same
    20.
    发明授权
    Asymmetrical half-bridge converter having distributed DC bias method of operation thereof and power supply employing the same 失效
    具有分布式直流偏压方法的不对称半桥转换器及其采用的电源

    公开(公告)号:US5877945A

    公开(公告)日:1999-03-02

    申请号:US932353

    申请日:1997-09-17

    Applicant: Rui Liu

    Inventor: Rui Liu

    CPC classification number: H02M3/33569

    Abstract: An asymmetrical half-bridge converter, a method of operating the same and a power supply that incorporates either the converter or the method. In one embodiment, the converter includes: (1) a power transformer that receives AC input power into a primary winding thereof and transfers the AC input power into first and second secondary windings thereof, the first secondary winding having a secondary to primary turns-ratio smaller than the second secondary winding, (2) an auxiliary inductor coupled across the first and second secondary windings and (3) first and second rectifying diodes having inputs coupled to outer taps of the first and second secondary windings, an output of the converter derived from outputs of the first and second rectifying diodes and a center tap between the first and second secondary windings, an average current in the first secondary winding increased to cause the first and second secondary windings and the auxiliary inductor to share a DC bias current developed in the converter during an operation thereof.

    Abstract translation: 不对称半桥转换器,其操作方法以及包含转换器或方法的电源。 在一个实施例中,转换器包括:(1)电力变压器,其将AC输入功率接收到其初级绕组中并将AC输入功率传送到其第一和第二次级绕组中,第一次级绕组具有次级到初级匝数比 小于第二次级绕组,(2)耦合在第一和第二次级绕组两端的辅助电感器和(3)具有耦合到第一和第二次级绕组的外抽头的输入的第一和第二整流二极管,转换器的输出 从第一和第二整流二极管的输出和第一和第二次级绕组之间的中心抽头,第一次级绕组中的平均电流增加,使得第一和第二次级绕组和辅助电感器共享在 该转换器在其操作期间。

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