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    • 13. 发明申请
    • High efficiency universal input switching power supply
    • 高效率通用输入开关电源
    • US20100165679A1
    • 2010-07-01
    • US12587394
    • 2009-10-06
    • Qun LuYou-Yi ZuoWei-Liang Lin
    • Qun LuYou-Yi ZuoWei-Liang Lin
    • H02M7/155
    • H02M1/4225H02M2001/0077Y02B70/126Y02P80/112
    • A universal input switching power supply has a signal detecting unit, two DC converting units and a physical wiring and controlling unit. The DC converting units are respectively adapted to couple to an AC power source to convert the AC power source to two first DC power sources and changes a voltage of each of the first power sources according to different voltage of the AC power source. The physical wiring and controlling unit is connected to the outputs of the DC converting units and the signal detecting unit and automatically connects the outputs of the PFC circuits in parallel if a high line voltage range of the AC power source is coupled to the full bridge rectifier. On the contrary, the physical wiring and controlling unit automatically connects the outputs of the PFC circuits in serial. Accordingly, the universal input switching power supply has good transmitting efficiency at different AC power source conditions.
    • 通用输入开关电源具有信号检测单元,两个DC转换单元和物理布线和控制单元。 DC转换单元分别适于耦合到AC电源,以将AC电源转换为两个第一DC电源,并根据AC电源的不同电压改变每个第一电源的电压。 如果交流电源的高线路电压范围与全桥整流器耦合,物理接线和控制单元连接到DC转换单元和信号检测单元的输出,并且自动连接PFC电路的输出 。 相反,物理接线和控制单元自动连接PFC电路的输出。 因此,通用输入开关电源在不同的交流电源条件下具有良好的发射效率。
    • 14. 发明申请
    • AC TO DC POWER CONVERTER WITH HOLD-UP TIME FUNCTION
    • 交流到直流电源转换器,具有保持时间功能
    • US20100014330A1
    • 2010-01-21
    • US12403258
    • 2009-03-12
    • Shun-Te ChangWei-Liang Lin
    • Shun-Te ChangWei-Liang Lin
    • H02M7/04
    • H02M7/2176H02M1/4225Y02B70/126Y02P80/112
    • An AC to DC power converter with hold up time function has a charging switch and a mode switch. The charging switch is connected between an output capacitor of a PFC controlling circuit and an energy-storage capacitor. The mode switch is connected between the energy-storage capacitor and an input of the PFC controlling circuit. The charging and mode switches are controlled by a PFC controller. When AC power is normal, the charging switch turns on and mode switch turns off. Meanwhile, the energy-storage capacitor and the output capacitor are connected in parallel to store energy in the energy-storage capacitor. When the AC power source is interrupted, the charging switch turns off and mode switch turns on. Therefore, the energy-storage capacitor is disconnected from the output capacitor. The PFC circuit obtains power from the energy-storage capacitor and continuous to supply an output voltage for a while.
    • 具有保持时间功能的交流直流电源转换器具有充电开关和模式开关。 充电开关连接在PFC控制电路的输出电容器和储能电容器之间。 模式开关连接在储能电容器和PFC控制电路的输入端之间。 充电和模式开关由PFC控制器控制。 交流电源正常时,充电开关打开,模式开关关闭。 同时,储能电容器和输出电容器并联连接以将能量存储在储能电容器中。 当交流电源中断时,充电开关关闭,模式开关打开。 因此,储能电容器与输出电容器断开。 PFC电路从储能电容器获得电力并连续供给一段时间的输出电压。
    • 15. 发明授权
    • Compact server power supply having high power density
    • 紧凑型服务器电源具有高功率密度
    • US08724337B2
    • 2014-05-13
    • US13090948
    • 2011-04-20
    • Shih-Liang TengWei-Liang LinPo-Cheng TengKuo-Chu Yeh
    • Shih-Liang TengWei-Liang LinPo-Cheng TengKuo-Chu Yeh
    • H05K7/20
    • H05K7/1492
    • The present invention discloses a compact server power supply having high power density has a casing, a main printed circuit board, a sub-printed circuit board, a power supplying circuit, a power output terminal set and a fan. The power supplying circuit has a primary side circuit unit, a transformer and a secondary side circuit unit. Electric elements of the primary and secondary side circuit units and the transformer are soldered on the main printed circuit board except parts of the electric elements of the secondary side circuit unit are soldered on the sub-printed circuit board. The sub-printed circuit board is vertically mounted and soldered on the main printed circuit board, so the length of the main printed circuit board is shortened to implement the server power supply having a compact size and high power density.
    • 本发明公开了一种具有高功率密度的紧凑型服务器电源,其具有壳体,主印刷电路板,副印刷电路板,供电电路,电力输出端子组和风扇。 供电电路具有初级侧电路单元,变压器和次级侧电路单元。 一次侧电路单元和二次侧电路单元和变压器的电气元件焊接在主印刷电路板上,除了二次侧电路单元的电气元件的一部分焊接在副印刷电路板上。 副印刷电路板在主印刷电路板上垂直安装焊接,因此主印刷电路板的长度被缩短以实现具有紧凑尺寸和高功率密度的服务器电源。
    • 16. 发明授权
    • AC to DC power converter using an energy-storage capacitor for providing hold-up time function
    • AC至DC电源转换器,使用储能电容器提供保持时间功能
    • US08134849B2
    • 2012-03-13
    • US12403258
    • 2009-03-12
    • Shun-Te ChangWei-Liang Lin
    • Shun-Te ChangWei-Liang Lin
    • H02M7/217
    • H02M7/2176H02M1/4225Y02B70/126Y02P80/112
    • An AC to DC power converter with hold up time function has a charging switch and a mode switch. The charging switch is connected between an output capacitor of a PFC controlling circuit and an energy-storage capacitor. The mode switch is connected between the energy-storage capacitor and an input of the PFC controlling circuit. The charging and mode switches are controlled by a PFC controller. When AC power is normal, the charging switch turns on and mode switch turns off. Meanwhile, the energy-storage capacitor and the output capacitor are connected in parallel to store energy in the energy-storage capacitor. When the AC power source is interrupted, the charging switch turns off and mode switch turns on. Therefore, the energy-storage capacitor is disconnected from the output capacitor. The PFC circuit obtains power from the energy-storage capacitor and continuous to supply an output voltage for a while.
    • 具有保持时间功能的交流直流电源转换器具有充电开关和模式开关。 充电开关连接在PFC控制电路的输出电容器和储能电容器之间。 模式开关连接在储能电容器和PFC控制电路的输入端之间。 充电和模式开关由PFC控制器控制。 交流电源正常时,充电开关打开,模式开关关闭。 同时,储能电容器和输出电容器并联连接以将能量存储在储能电容器中。 当交流电源中断时,充电开关关闭,模式开关打开。 因此,储能电容器与输出电容器断开。 PFC电路从储能电容器获得电力并连续供给一段时间的输出电压。
    • 17. 发明申请
    • Gathering method and apparatus for a keypad fabrication process
    • 用于小键盘制造过程的收集方法和装置
    • US20110219923A1
    • 2011-09-15
    • US12813496
    • 2010-06-10
    • Chiu-Yu YehWei-Liang LinChia-Sheng Cheng
    • Chiu-Yu YehWei-Liang LinChia-Sheng Cheng
    • B26D7/27B26D7/06B26D7/18
    • B26D7/18B26F1/44B26F2210/06B29C45/382Y10T83/0448Y10T83/0577Y10T83/2096Y10T83/222
    • A gathering method for a keypad fabrication process, in which a key-top tree is placed into a punching die, the punching die is aligned, a receiving device is disposed under the punching die, an assembly jig is disposed on the receiving device and aligned using an x-y table for gathering a punched-out key-top, a punch disposed above the punching die using another x-y table for allowing the punching die to perform both punching the key-top tree and gathering the punched-out part onto the assembly jig. Each key-top on the key-top tree is punched out and gathered on the assembly jig by repeating the aforementioned steps. Accordingly, the key-tops can be punched out and arranged on the assembly jig with a different pitch from the key-top tree automatically, fast and correctly. A gathering apparatus for a keypad fabrication process is also provided.
    • 一种用于键盘制造工艺的聚集方法,其中将键顶树放置在冲压模具中,冲压模具对准,接收装置设置在冲压模具下方,组装夹具设置在接收装置上并对准 使用xy桌子收集冲压键盘,使用另一个xy台架设置在冲压模具上方的冲头,用于允许冲压模具执行冲压键顶树并将冲压部分收集到组装夹具上 。 通过重复上述步骤,将按键顶层上的每个键顶都冲压出并聚集在装配夹具上。 因此,可以自动,快速,正确地将键盘冲压出并配置在具有与键顶树木不同的间距的装配夹具上。 还提供了一种用于键盘制造工艺的收集装置。
    • 18. 发明申请
    • Power supply having a two-way DC to DC converter
    • 电源具有双向DC到DC转换器
    • US20100165673A1
    • 2010-07-01
    • US12459428
    • 2009-07-01
    • Shun-Te ChangWei-Liang Lin
    • Shun-Te ChangWei-Liang Lin
    • H02M3/335
    • H02M1/10
    • A power supply having a two-way DC to DC converter has an AC to DC converter and a two-way DC to DC converter. When an AC power is input to the AC to DC converter, the AC to DC converter transforms the AC power to a middle level DC power and the two-way DC to DC converter transforms the middle level DC power to a low level DC power. When the AC power is unavailable and the two-way DC to DC converter obtains an external DC power, the two-way DC to DC converter transforms the external DC power to the middle level DC power. Therefore, if the power supply obtains the external DC power, the power supply can still output the middle level DC power even the AC power is unavailable.
    • 具有双向DC-DC转换器的电源具有AC至DC转换器和双向DC-DC转换器。 当交流电源输入到交流直流转换器时,交流 - 直流转换器将交流电转换为中间电平的直流电,双向直流 - 直流转换器将中间级直流电转换成低电平的直流电。 当交流电源不可用,双向DC-DC转换器获得外部直流电源时,双向直流 - 直流转换器将外部直流电源转换为中间级直流电源。 因此,如果电源获得外部直流电源,即使交流电不可用,电源仍然可以输出中间级直流电源。
    • 20. 发明授权
    • Burst mode resonant power converter with high conversion efficiency
    • 突发模式谐振功率转换器具有高转换效率
    • US08339813B2
    • 2012-12-25
    • US12841411
    • 2010-07-22
    • Yen-Lung WangWei-Liang Lin
    • Yen-Lung WangWei-Liang Lin
    • H02M3/335
    • H02M1/4225H02M3/33507Y02B70/126Y02B70/1433
    • A burst mode resonant power converter with high conversion efficiency has a rectifier, a power factor correction circuit, a resonant circuit, a controller, and a burst mode triggering unit. The maximum frequency switching end of the controller is connected to a maximum frequency variable circuit. When the load is medium or heavy, the maximum frequency variable circuit increases the maximum switch frequency of the controller. When the load is in the no-load or the light conditions, it reduces the maximum switch frequency thereof. Therefore, the controller reduces the number of times that the resonant circuit switches the bridge switch circuit. The conduction cycle of the 50% pulse signal output to the bridge switch circuit becomes longer. Larger energy can be transmitted at a time to the secondary coil of the transformer. This increases the overall efficiency.
    • 具有高转换效率的突发模式谐振功率转换器具有整流器,功率因数校正电路,谐振电路,控制器和突发模式触发单元。 控制器的最大频率切换端连接到最大频率可变电路。 当负载中等或较重时,最大频率可变电路会增加控制器的最大开关频率。 当负载处于空载状态或光线状态时,会降低其最大开关频率。 因此,控制器减少谐振电路切换桥式开关电路的次数。 输出到桥式开关电路的50%脉冲信号的导通周期变长。 一次可以将较大的能量传输到变压器的次级线圈。 这提高了总体效率。