公开(公告)号：US07741799B2

公开(公告)日：2010-06-22

申请号：US11826156

申请日：2007-07-12

Applicant: Alex Horng ,  Chung-Ken Cheng ,  Shih-Chang Hsu

Inventor： Alex Horng ,  Chung-Ken Cheng ,  Shih-Chang Hsu

IPC: H02P6/00

CPC classification number: H02P6/16 ,  H02P6/26

Abstract: A brushless DC motor drive circuit includes a drive unit and a transient current suppression circuit. The drive unit comprises a Hall component, a drive component, a first transistor and a second transistor. The Hall component detects the position of a rotor of the DC motor and transmits digital command signals to the drive component; the drive component further generates two complementary digital command signals; and the first and second transistors connect with the drive component respectively. The transient current suppression circuit comprises a first auxiliary transistor and a second auxiliary transistor, wherein the first auxiliary transistor receives one of the complementary digital command signals different from the other one received by the first transistor and the second auxiliary transistor receives the other one of the complementary digital command signals different from the one received by the second transistor.

Abstract translation: 无刷直流电机驱动电路包括驱动单元和瞬态电流抑制电路。 驱动单元包括霍尔元件，驱动元件，第一晶体管和第二晶体管。 霍尔元件检测直流电机转子的位置，并向驱动部件发送数字指令信号; 驱动组件进一步产生两个互补的数字命令信号; 并且第一和第二晶体管分别与驱动部件连接。 瞬态电流抑制电路包括第一辅助晶体管和第二辅助晶体管，其中第一辅助晶体管接收与第一晶体管接收的另一个不同的互补数字指令信号之一，第二辅助晶体管接收另一个 互补的数字命令信号与第二晶体管接收的信号不同。

公开(公告)号：US08492923B2

公开(公告)日：2013-07-23

申请号：US12769804

申请日：2010-04-29

Applicant: Alex Horng ,  Chi-Hung Kuo ,  Chung-Ken Cheng ,  Chieh-Feng Lee

Inventor： Alex Horng ,  Chi-Hung Kuo ,  Chung-Ken Cheng ,  Chieh-Feng Lee

IPC: H02J1/00 ,  G05F1/00 ,  H05B37/02

CPC classification number: H05B33/0842 ,  Y10T307/406 ,  Y10T307/445

Abstract: A lamp circuit is disclosed, comprising a direct current (DC) power supplier adapted to provide a supply voltage, a driving unit coupled to the DC power supplier so as to receive the supply voltage, and a light-radiating module coupled to the driving unit and having a DC output side. The driving unit generates a constant DC current that passes through the light-radiating module such that a DC voltage to be supplied to a DC load is built at the DC output side.

Abstract translation: 公开了一种灯电路，其包括适于提供电源电压的直流（DC）电源，耦合到DC电源的驱动单元以接收电源电压;以及耦合到驱动单元的光辐射模块 并具有DC输出侧。 驱动单元产生通过光辐射模块的恒定DC电流，使得在DC输出侧建立要提供给DC负载的直流电压。

公开(公告)号：US20070223891A1

公开(公告)日：2007-09-27

申请号：US11386673

申请日：2006-03-23

Applicant: Alex Horng ,  Chung-Ken Cheng ,  Pei-Wei Lo

Inventor： Alex Horng ,  Chung-Ken Cheng ,  Pei-Wei Lo

IPC: H02P7/29

CPC classification number: H02P6/16 ,  H02P6/08

Abstract: A frequency-variable PWM motor drive circuit includes a drive IC member, a Hall IC member, a PWM converter circuit and a compensation unit. The drive IC member electrically connects with the Hall IC member, the drive IC member further includes a pin electrically connected with the compensation unit and the PWM converter circuit. The PWM converter circuit has a PWM input pin to receive a PWM signal, and converts it into a voltage signal. The compensation unit connects between the pin of the drive IC member and the PWM converter circuit. In operation, the compensation unit can improve a waveform of the voltage signal supplied from the PWM converter circuit, and then output it to the pin of the drive IC member. Consequently, the drive IC member can be steadily operated at predetermined motor speeds under various frequencies of the PWM signals.

Abstract translation: 频率可变PWM电动机驱动电路包括驱动IC部件，霍尔IC部件，PWM转换电路和补偿部。 驱动IC元件与霍尔IC元件电连接，驱动IC元件还包括与补偿单元和PWM转换电路电连接的引脚。 PWM转换器电路具有PWM输入引脚，用于接收PWM信号，并将其转换为电压信号。 补偿单元连接在驱动IC部件的引脚和PWM转换电路之间。 在操作中，补偿单元可以改善从PWM转换器电路提供的电压信号的波形，然后将其输出到驱动IC构件的引脚。 因此，可以在PWM信号的各种频率下以预定的电动机速度稳定地操作驱动IC部件。

公开(公告)号：US20100244758A1

公开(公告)日：2010-09-30

申请号：US12411877

申请日：2009-03-26

Applicant: Alex Horng ,  Chun-Yuan Huang ,  Chung-Ken Cheng

Inventor： Alex Horng ,  Chun-Yuan Huang ,  Chung-Ken Cheng

IPC: H02P6/08 ,  F04D25/08

CPC classification number: F04D27/004 ,  F04D25/166 ,  H02P6/08

Abstract: A fan device with improved speed control module includes a stator, a rotor, and a speed control module. The stator has a driving unit outputting currents for the stator to generate alternative magnetic fields and thus turn the rotor. The speed control module includes a control unit and a speed adjusting circuit, with the control unit generating a control command for the driving unit and further outputting a state signal for the speed adjusting circuit to control whether a PWM signal enters the control circuit or not.

Abstract translation: 具有改进的速度控制模块的风扇装置包括定子，转子和速度控制模块。 定子具有驱动单元，其输出用于定子的电流以产生替代的磁场并因此转动转子。 速度控制模块包括控制单元和速度调节电路，控制单元产生用于驱动单元的控制命令，并进一步输出速度调节电路的状态信号，以控制PWM信号是否进入控制电路。

公开(公告)号：US07170242B1

公开(公告)日：2007-01-30

申请号：US11274417

申请日：2005-11-16

Applicant: Alex Horng ,  Chung-Ken Cheng

Inventor： Alex Horng ,  Chung-Ken Cheng

IPC: H02P6/08 ,  G05F1/652

CPC classification number: H02P6/08 ,  H02P7/29

Abstract: A PWM motor drive circuit includes a drive IC member, a Hall IC member, a PWM converter circuit and a capacitor. The drive IC member electrically connects with the Hall IC member, the drive IC member further includes a pin electrically connected with the PWM converter circuit. The capacitor connects in parallel between the pin of the drive IC member and the PWM converter circuit, and further connects with a power source to supply a voltage to the pin of the drive IC member. When the motor is started, the capacitor can prevent occurring zero volts at the pin of the drive IC member so that the drive IC member cannot unexpectedly enter a high-speed mode.

Abstract translation: PWM电动机驱动电路包括驱动IC部件，霍尔IC部件，PWM转换电路和电容器。 驱动IC元件与霍尔IC元件电连接，驱动IC元件还包括与PWM转换电路电连接的引脚。 电容器并联连接在驱动IC部件的引脚与PWM转换电路之间，并与电源连接，向驱动IC部件的引脚提供电压。 当电动机起动时，电容器可以防止在驱动IC部件的引脚处产生零电压，使得驱动IC部件不能意外地进入高速模式。

公开(公告)号：US20050017665A1

公开(公告)日：2005-01-27

申请号：US10623509

申请日：2003-07-22

Applicant: Alex Horng ,  Wen-Chung Wu ,  Chung-Ken Cheng

Inventor： Alex Horng ,  Wen-Chung Wu ,  Chung-Ken Cheng

IPC: H02P1/18 ,  H02P6/00 ,  H02P7/00

CPC classification number: H02P6/28

Abstract: A brushless dc motor includes a conversion circuit and a dc motor drive circuit. The conversion circuit includes a rectifier unit, a pulse-wave-absorbing unit, a filter unit, a voltage-stabilizing control unit and a voltage-stabilizing unit. The rectifier unit, the pulse-wave-absorbing unit and the filter unit are serially connected between an ac power source and the dc motor drive circuit. The ac power source is rectified, stabilized and filtered to thereby supply with a dc voltage to the dc motor drive circuit. The voltage-stabilizing control unit and the voltage-stabilizing unit are serially connected between the rectifier unit and the dc motor drive circuit so as to limit a passage of a high voltage and to allow a passage of a low voltage through the dc motor drive circuit. Thereby, the voltage-stabilizing control unit and the voltage-stabilizing unit are commonly in control of the operation of the dc motor drive circuit.

Abstract translation: 无刷直流电动机包括转换电路和直流电动机驱动电路。 转换电路包括整流单元，脉波吸收单元，滤波单元，稳压控制单元和稳压单元。 整流器单元，脉波吸收单元和滤波器单元串联连接在交流电源和直流电动机驱动电路之间。 交流电源被整流，稳定和滤波，从而向直流电动机驱动电路提供直流电压。 电压稳定控制单元和稳压单元串联连接在整流单元和直流电动机驱动电路之间，以限制高电压的通过并允许低电压通过直流电动机驱动电路 。 因此，稳压控制单元和稳压单元通常控制直流电机驱动电路的工作。

公开(公告)号：US20080283216A1

公开(公告)日：2008-11-20

申请号：US11812400

申请日：2007-06-19

Applicant: Alex Horng ,  Shih-Chang Hsu ,  Pen-Wen Lo

Inventor： Alex Horng ,  Shih-Chang Hsu ,  Pen-Wen Lo

IPC: F24F7/007

CPC classification number: F04D25/0633 ,  F04D25/068 ,  F04D29/5813

Abstract: The present invention relates to a cooling structure for motor of fan, which includes a housing, an impeller and a circuit board. The housing has an air flow channel and a base; the base is located on one side of the air flow channel to support the circuit board, and the impeller is movably integrated on the base; the circuit board is bonded with a highly heat-conductive metal on at least one side thereof so as to provide good heat dissipation and heat transfer performance; at least one portion of the circuit board is extended beyond the hub of the impeller such that the extended portion is located at a downwind place of the blades of the impeller to facilitate fast heat dissipation.

Abstract translation: 本发明涉及一种风扇电机的冷却结构，其包括壳体，叶轮和电路板。 壳体具有气流通道和底座; 基座位于气流通道的一侧以支撑电路板，叶轮可移动地集成在基座上; 电路板在其至少一侧与高导热性金属接合，以提供良好的散热和传热性能; 电路板的至少一部分延伸超过叶轮的轮毂，使得延伸部分位于叶轮的叶片的顺风位置以便于快速散热。

公开(公告)号：US20080272722A1

公开(公告)日：2008-11-06

申请号：US11826156

申请日：2007-07-12

Applicant: Alex Horng ,  Chung-Kne Cheng ,  Shih-Chang Hsu

Inventor： Alex Horng ,  Chung-Kne Cheng ,  Shih-Chang Hsu

IPC: H02P6/00

CPC classification number: H02P6/16 ,  H02P6/26

Abstract: A brushless DC motor drive circuit includes a drive unit and a transient current suppression circuit. The drive unit comprises a Hall component, a drive component, a first transistor and a second transistor. The Hall component detects the position of a rotor of the DC motor and transmits digital command signals to the drive component; the drive component further generates two complementary digital command signals; and the first and second transistors connect with the drive component respectively. The transient current suppression circuit comprises a first auxiliary transistor and a second auxiliary transistor, wherein the first auxiliary transistor receives one of the complementary digital command signals different from the other one received by the first transistor and the second auxiliary transistor receives the other one of the complementary digital command signals different from the one received by the second transistor.

Abstract translation: 无刷直流电机驱动电路包括驱动单元和瞬态电流抑制电路。 驱动单元包括霍尔元件，驱动元件，第一晶体管和第二晶体管。 霍尔元件检测直流电机转子的位置，并向驱动部件发送数字指令信号; 驱动组件进一步产生两个互补的数字命令信号; 并且第一和第二晶体管分别与驱动部件连接。 瞬态电流抑制电路包括第一辅助晶体管和第二辅助晶体管，其中第一辅助晶体管接收与第一晶体管接收的另一个不同的互补数字指令信号之一，第二辅助晶体管接收另一个 互补的数字命令信号与第二晶体管接收的信号不同。

公开(公告)号：US08791643B2

公开(公告)日：2014-07-29

申请号：US13006054

申请日：2011-01-13

Applicant: Alex Horng ,  Chung-Ken Cheng ,  Chi-Hung Kuo ,  Kuan-Yin Hou

Inventor： Alex Horng ,  Chung-Ken Cheng ,  Chi-Hung Kuo ,  Kuan-Yin Hou

IPC: H05B37/02

CPC classification number: H05B33/0809 ,  H05B33/0803 ,  H05B33/0812 ,  H05B33/0821 ,  Y02B20/343

Abstract: An alternating current (AC) light-emitting diode (LED) lamp includes a first AC power end, a second AC power end, a lighting module and a direct current (DC) power output circuit. The lighting module has a first end, a second end and at least one LED unit, wherein the first end is electrically coupled to the first AC power end. The at least one LED unit has one or more LEDs connected in series. The DC power output circuit has a first end and a second end, wherein the second end of the DC power output circuit is electrically coupled to the second AC power end, while the first end of the DC power output circuit is electrically coupled to the second end of the lighting module. The DC power output circuit has a DC output side.

Abstract translation: 交流（AC）发光二极管（LED）灯包括第一AC电源端，第二AC电源端，照明模块和直流（DC）电力输出电路。 照明模块具有第一端，第二端和至少一个LED单元，其中第一端电耦合到第一AC电力端。 所述至少一个LED单元具有串联连接的一个或多个LED。 DC功率输出电路具有第一端和第二端，其中DC功率输出电路的第二端电耦合到第二AC电源端，而DC功率输出电路的第一端电耦合到第二端 结束照明模块。 直流电源输出电路具有直流输出侧。

公开(公告)号：US08421383B2

公开(公告)日：2013-04-16

申请号：US12723830

申请日：2010-03-15

Applicant: Alex Horng ,  Chi-Hung Kuo ,  Chung-Ken Cheng

Inventor： Alex Horng ,  Chi-Hung Kuo ,  Chung-Ken Cheng

IPC: H02P1/00

CPC classification number: H02P6/22 ,  H02P7/03

Abstract: A rotation control circuit comprises a motor-driving unit and a rotation-switching unit. The motor-driving unit is coupled to a motor of a fan. The rotation-switching unit is coupled to the motor-driving unit and has at least a charging-discharging circuit for generating a rotation control command, the rotation control command controls the motor to rotate in a forward direction for a time period when the motor starts to operate, and controls the motor to rotate in a backward direction opposite to the forward direction.

Abstract translation: 旋转控制电路包括电机驱动单元和旋转切换单元。 马达驱动单元联接到风扇的马达。 旋转切换单元联接到马达驱动单元，并且至少具有用于产生旋转控制命令的充放电电路，旋转控制指令控制马达在马达启动的时间段内向前方向旋转 操作，并且控制马达沿与向前方向相反的向后方向旋转。