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1. 发明授权

US09148066B2 Miniaturize voltage-transforming device 有权
标题翻译：小型化电压转换装置
公开(公告)号：US09148066B2
公开(公告)日：2015-09-29
申请号：US13567527
申请日：2012-08-06
申请人： Lien-Hsing Chen , Li-Hao Liu , Cheng-Te Tsai
发明人： Lien-Hsing Chen , Li-Hao Liu , Cheng-Te Tsai
IPC分类号： H01F5/00 , H02M7/00 , H01F27/29 , H02M3/00 , H05K1/14 , H05K1/18 , H05K3/34 , H01F27/40 , H05K3/40
CPC分类号： H02M7/003 , H01F5/00 , H01F27/292 , H01F27/402 , H01F2027/297 , H02M3/00 , H05K1/144 , H05K1/145 , H05K1/148 , H05K1/18 , H05K1/189 , H05K3/3405 , H05K3/3447 , H05K3/403 , H05K2201/042 , H05K2201/047 , H05K2201/09181 , H05K2201/1003
摘要： A miniaturized voltage-transforming device includes a first circuit board and a second circuit board parallel to and separated from each other by a predetermined distance so that there is no physical connection therebetween, and a transformer having a plurality of primary-side pins and a plurality of secondary-side pins, wherein the transformer is located beside the first circuit board and the second circuit board, and has its primary-side pins and secondary-side pins directly or indirectly connected to the first circuit board and the second circuit board physically, so that the transformer is electrically connected to the first circuit board and the second circuit board via the primary-side pins and the secondary-side pins.
摘要翻译：小型化电压转换装置包括第一电路板和彼此平行并分离预定距离的第二电路板，使得它们之间不存在物理连接，以及具有多个初级侧引脚和多个其中所述变压器位于所述第一电路板和所述第二电路板旁边，并且其初级侧引脚和次级侧引脚在物理上直接或间接地连接到第一电路板和第二电路板，使得变压器经由初级侧引脚和次级侧引脚电连接到第一电路板和第二电路板。

2. 发明授权

US08817495B2 Ultralow no-load conduction loss DC power converter 有权
标题翻译：超低空导通损耗直流电源转换器
公开(公告)号：US08817495B2
公开(公告)日：2014-08-26
申请号：US13104783
申请日：2011-05-10
申请人： Lien-Hsing Chen , Li-Hao Liu
发明人： Lien-Hsing Chen , Li-Hao Liu
IPC分类号： H02M3/335 , H02M1/00
CPC分类号： H02M3/33592 , H02M2001/0032 , Y02B70/1475 , Y02B70/16
摘要： An ultralow no-load conduction loss DC converter includes a DC power source, a transformer having a first winding, a first MOSET and a PWM controller at the primary side and a second winding, a third winding, a drive control unit, a rectifier unit and a second MOSFET at the secondary side. The second MOSFET, the drive control unit and the rectifier unit constitutes a combination circuit electrically coupled between one end of the second winding and one end of the third winding. The second MOSFET has set therein a body diode. The second winding and the second MOSFET forms a combination circuit electrically connected to a load. Thus, the decision to turn off the drive control unit is made at the secondary side so that non-load conduction loss can be minimized.
摘要翻译：超低空导通损耗DC转换器包括直流电源，具有第一绕组的变压器，初级侧的第一MOSET和PWM控制器以及第二绕组，第三绕组，驱动控制单元，整流单元和次级侧的第二MOSFET。第二MOSFET，驱动控制单元和整流器单元构成电耦合在第二绕组的一端和第三绕组的一端之间的组合电路。第二个MOSFET在其中设置了体二极管。第二绕组和第二MOSFET形成电连接到负载的组合电路。因此，在二次侧进行关闭驱动控制单元的决定，从而可以使非负载传导损耗最小化。

3. 发明授权

US08649190B2 Power converter having high efficiency at low load 有权
标题翻译：功率转换器在低负载下具有高效率
公开(公告)号：US08649190B2
公开(公告)日：2014-02-11
申请号：US13104803
申请日：2011-05-10
申请人： Lien-Hsing Chen , Li-Hao Liu
发明人： Lien-Hsing Chen , Li-Hao Liu
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , H02M2001/0032 , Y02B70/1475 , Y02B70/16
摘要： A power converter includes a DC power source, a transformer having a first winding, a first MOSFET and a PWM controller at the primary side and a second winding, a drive control unit, a current detection control unit, a comparator and a second MOSFET at the secondary side. The comparator has its input end electrically connected to the current detection control unit and its output end electrically connected to the drive control unit, which is electrically connected to the second MOSFET for synchronous rectification. The second MOSFET is electrically connected to one end of the second winding, having a body diode built therein. The second winding and the second MOSFET constitute a combination circuit electrically connected to a load that has a capacitor electrically connected thereto in a parallel manner. By means of the aforesaid arrangement, conduction loss at a low load is minimized, thereby improving the efficiency at a low load.
摘要翻译：电力转换器包括直流电源，具有第一绕组的变压器，初级侧的第一MOSFET和PWM控制器以及第二绕组，驱动控制单元，电流检测控制单元，比较器和第二MOSFET，二次侧。比较器的输入端电连接到电流检测控制单元，其输出端电连接到驱动控制单元，驱动控制单元电连接到用于同步整流的第二MOSFET。第二MOSFET电连接到第二绕组的一端，其中内置有体二极管。第二绕组和第二MOSFET构成电连接到具有与之并联的电容器的负载的组合电路。通过上述布置，低负载下的导通损耗最小化，从而提高了低负载时的效率。

4. 发明授权

US07894214B1 Power converter capable of lowering power wastage on standby 有权
标题翻译：电源转换器能够在待机时降低功耗
公开(公告)号：US07894214B1
公开(公告)日：2011-02-22
申请号：US12588183
申请日：2009-10-07
申请人： Lien-Hsing Chen , Li-Hao Liu
发明人： Lien-Hsing Chen , Li-Hao Liu
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A power converter includes at least one electric control switch, an electric current detecting and converting unit, a power controller, and a voltage detecting and controlling unit at the primary side; and a synchronous rectifying circuit, two MOSFETs, and an oscillating loop. During the actual operation, electric current detecting and converting unit outputs an AC voltage signal to the power controller and outputs a DC voltage signal to the voltage detecting and controlling unit, and then voltage detecting and controlling unit compares with a reference voltage to turn off the synchronous rectifying circuit at the no-load mode and to rectify via a body diodes of the MOSFETs. Accordingly, the power converter can reduce the power wastage at the no-load mode to be energy-saving.
摘要翻译：功率转换器包括至少一个电气控制开关，电流检测和转换单元，功率控制器和初级侧的电压检测和控制单元; 和同步整流电路，两个MOSFET和一个振荡环路。在实际操作中，电流检测和转换单元向功率控制器输出交流电压信号，并向电压检测和控制单元输出直流电压信号，然后电压检测和控制单元与参考电压进行比较，以关断同步整流电路，并通过MOSFET的体二极管进行整流。因此，功率转换器可以将空载时的功率损耗降低到节能。

5. 发明申请

US20110044075A1 POWER CONVERTER CAPABLE OF LOWERING POWER WASTAGE ON STANDBY 有权
标题翻译：功率转换器可以在STANDBY上降低功率浪费
公开(公告)号：US20110044075A1
公开(公告)日：2011-02-24
申请号：US12588183
申请日：2009-10-07
申请人： Lien-Hsing Chen , Li-Hao Liu
发明人： Lien-Hsing Chen , Li-Hao Liu
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A power converter includes at least one electric control switch, an electric current detecting and converting unit, a power controller, and a voltage detecting and controlling unit at the primary side; and a synchronous rectifying circuit, two MOSFETs, and an oscillating loop. During the actual operation, electric current detecting and converting unit outputs an AC voltage signal to the power controller and outputs a DC voltage signal to the voltage detecting and controlling unit, and then voltage detecting and controlling unit compares with a reference voltage to turn off the synchronous rectifying circuit at the no-load mode and to rectify via a body diodes of the MOSFETs. Accordingly, the power converter can reduce the power wastage at the no-load mode to be energy-saving.
摘要翻译：功率转换器包括至少一个电气控制开关，电流检测和转换单元，功率控制器和初级侧的电压检测和控制单元; 和同步整流电路，两个MOSFET和一个振荡环路。在实际操作中，电流检测和转换单元向功率控制器输出交流电压信号，并向电压检测和控制单元输出直流电压信号，然后电压检测和控制单元与参考电压进行比较，以关断同步整流电路，并通过MOSFET的体二极管进行整流。因此，功率转换器可以将空载时的功率损耗降低到节能。

6. 发明申请

US20090135634A1 Synchronous rectifier drive circuit 审中-公开
标题翻译：同步整流驱动电路
公开(公告)号：US20090135634A1
公开(公告)日：2009-05-28
申请号：US12071954
申请日：2008-02-28
申请人： Lien-Hsing Chen , Li-Hao Liu
发明人： Lien-Hsing Chen , Li-Hao Liu
IPC分类号： H02M7/217
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A synchronous rectifier drive circuit includes a primary side and a secondary side. The primary side has a first coil winding, a first MOSFET, an auxiliary MOSFET, an auxiliary capacitor, and an input power source. The secondary side has a second coil winding, a DC voltage source, a second MOSFET, a third MOSFET, a fourth MOSFET, a fifth MOSFET, and an inductor. The gate of the second MOSFET is connected with the source of the fourth MOSFET. The gate of the third MOSFET is connected with the source of the fifth MOSFET. The inductor has two ends, one of which is connected with the drain of the third MOSFET. Accordingly, the synchronous rectifier drive circuit can lessen the variation of pulse wave of the drive voltage and refrain the surge voltage to protect the electronic elements.
摘要翻译：同步整流器驱动电路包括初级侧和次级侧。初级侧具有第一线圈绕组，第一MOSFET，辅助MOSFET，辅助电容器和输入电源。次级侧具有第二线圈绕组，DC电压源，第二MOSFET，第三MOSFET，第四MOSFET，第五MOSFET和电感器。第二个MOSFET的栅极与第四个MOSFET的源极连接。第三个MOSFET的栅极与第五个MOSFET的源极连接。电感器具有两端，其中一端与第三MOSFET的漏极连接。因此，同步整流器驱动电路可以减小驱动电压的脉冲波的变化，并且避免浪涌电压来保护电子元件。

7. 发明申请

US20130092411A1 RECEPTACLE FOR TRANSFORMER 有权
标题翻译：变压器接收器
公开(公告)号：US20130092411A1
公开(公告)日：2013-04-18
申请号：US13307603
申请日：2011-11-30
申请人： Lien-Hsing Chen , Chiang-Hsin Hou , Wei-Sheng Wang
发明人： Lien-Hsing Chen , Chiang-Hsin Hou , Wei-Sheng Wang
IPC分类号： H05K5/00
CPC分类号： H01F27/06 , H01F27/292 , H01F2027/065
摘要： A receptacle includes an electrically insulative bottom wall, and an electrically insulative upright wall upwardly extended from the border of the bottom wall, the upright wall having a back wall portion corresponding to the rear side of the bottom wall. The bottom wall is adapted for mounting at a circuit board or electronic device to hold a transformer in such a manner that the lead wires of the primary winding of the transformer are disposed at the front side of the bottom wall; the insulated lead wires of the secondary winding of the transformer are extended over the top edge of the back wall portion and then turned downwardly and bonded to the circuit board or electronic device.
摘要翻译：插座包括电绝缘底壁和从底壁的边界向上延伸的电绝缘直立壁，直立壁具有对应于底壁后侧的后壁部分。底壁适于安装在电路板或电子设备上，以使变压器的初级绕组的引线设置在底壁的前侧; 变压器的次级绕组的绝缘引线在后壁部分的顶部边缘上延伸，然后向下转动并结合到电路板或电子设备。

8. 发明申请

US20120236605A1 ULTRALOW NO-LOAD CONDUCTION LOSS DC POWER CONVERTER 有权
标题翻译：超负荷导通损失直流电源转换器
公开(公告)号：US20120236605A1
公开(公告)日：2012-09-20
申请号：US13104783
申请日：2011-05-10
申请人： Lien-Hsing Chen , Li-Hao Jiu
发明人： Lien-Hsing Chen , Li-Hao Jiu
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , H02M2001/0032 , Y02B70/1475 , Y02B70/16
摘要： An ultralow no-load conduction loss DC converter includes a DC power source, a transformer having a first winding, a first MOSET and a PWM controller at the primary side and a second winding, a third winding, a drive control unit, a rectifier unit and a second MOSFET at the secondary side. The second MOSFET, the drive control unit and the rectifier unit constitutes a combination circuit electrically coupled between one end of the second winding and one end of the third winding. The second MOSFET has set therein a body diode. The second winding and the second MOSFET forms a combination circuit electrically connected to a load. Thus, the decision to turn off the drive control unit is made at the secondary side so that non-load conduction loss can be minimized.
摘要翻译：超低空导通损耗DC转换器包括直流电源，具有第一绕组的变压器，初级侧的第一MOSET和PWM控制器以及第二绕组，第三绕组，驱动控制单元，整流单元和次级侧的第二MOSFET。第二MOSFET，驱动控制单元和整流器单元构成电耦合在第二绕组的一端和第三绕组的一端之间的组合电路。第二个MOSFET在其中设置了体二极管。第二绕组和第二MOSFET形成电连接到负载的组合电路。因此，在二次侧进行关闭驱动控制单元的决定，从而可以使非负载传导损耗最小化。

9. 发明申请

US20120187111A1 METHOD FOR SOLDERING ELECTRONIC COMPONENTS TO A CIRCUIT BOARD BY MEANS OF HIGH-FREQUENCY SOLDERING 审中-公开
标题翻译：通过高频焊接将电子元件焊接到电路板的方法
公开(公告)号：US20120187111A1
公开(公告)日：2012-07-26
申请号：US13050510
申请日：2011-03-17
申请人： Lien-Hsing Chen , Wen-Jen Lai
发明人： Lien-Hsing Chen , Wen-Jen Lai
IPC分类号： B23K1/002
CPC分类号： B23K1/0016 , B23K1/002 , B23K2101/42
摘要： A method for soldering electronic components to a circuit board by: applying a solder paste to solder contacts of a circuit board and then arranging electronic components on the circuit board to keep the pins of the electronic components in contact with the solder contacts and then a high frequency to melt the solder paste and to let the pins of the electronic components be electrically connected to the solder contacts of the circuit board electrically by the solder paste.
摘要翻译：一种通过以下步骤将电子部件焊接到电路板的方法：将焊膏施加到电路板的焊接触点，然后将电子部件布置在电路板上，以保持电子部件的引脚与焊接触点接触，然后高熔化焊膏并使电子部件的引脚通过焊膏电连接到电路板的焊料触点的频率。

10. 发明授权

US07233505B2 High efficiency flyback converter with primary, secondary, and tertiary windings 有权
标题翻译：具有初级，次级和三级绕组的高效率回扫转换器
公开(公告)号：US07233505B2
公开(公告)日：2007-06-19
申请号：US10846685
申请日：2004-05-17
申请人： Lien-Hsing Chen , Lien-Chien Ke
发明人： Lien-Hsing Chen , Lien-Chien Ke
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , Y02B70/1475
摘要： A flyback converter is comprised of a primary side and a secondary side. The primary side includes a primary winding and a switch both connected in series. The secondary side includes a secondary winding, a tertiary winding, a first resistor, a capacitor, a second resistor, and an MOSFET (metal-oxide-semiconductor field-effect transistor). The first resistor, the capacitor, and the second resistor are connected in series and together connected in parallel with the tertiary winding. The MOSFET is connected in parallel with the first resistor at its gate and source. Accordingly, when the switch is turned on/off, the power energy provided at the primary side can be transferred to the secondary side in a flyback manner.
摘要翻译：反激转换器由初级侧和次级侧构成。初级侧包括串联连接的初级绕组和开关。次级侧包括次级绕组，三次绕组，第一电阻器，电容器，第二电阻器和MOSFET（金属氧化物半导体场效应晶体管）。第一电阻器，电容器和第二电阻器串联连接并且与三次绕组并联连接。 MOSFET的栅极和源极与第一个电阻并联连接。因此，当开关打开/关闭时，设置在初级侧的动力能量可以以回扫方式传递到次级侧。

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