Circuit for controlling a lighting unit with light-emitting diodes
    11.
    发明授权
    Circuit for controlling a lighting unit with light-emitting diodes 有权
    用发光二极管控制照明单元的电路

    公开(公告)号:US08564209B2

    公开(公告)日:2013-10-22

    申请号:US12797924

    申请日:2010-06-10

    IPC分类号: H05B39/00

    摘要: A circuit capable of receiving, in series with at least one light-emitting diode, a rectified A.C. voltage, comprising: a first gate turn-off thyristor connected to first and second terminals of the circuit; and a control circuit for turning off the first thyristor when the voltage between the first and second terminals exceeds a threshold.

    摘要翻译: 一种能够与至少一个发光二极管串联接收整流的交流电压的电路,包括:连接到电路的第一和第二端子的第一栅极截止晶闸管; 以及用于当第一和第二端子之间的电压超过阈值时关闭第一晶闸管的控制电路。

    Control of a triac for the starting of a motor
    12.
    发明授权
    Control of a triac for the starting of a motor 有权
    控制起动电动机的三端双向可控硅开关

    公开(公告)号:US08004231B2

    公开(公告)日:2011-08-23

    申请号:US12391947

    申请日:2009-02-24

    IPC分类号: H02P1/16

    CPC分类号: H02P1/42

    摘要: A method and a circuit for controlling a triac intended to be series-connected with a resistive element of positive temperature coefficient or a capacitive element, and a winding for starting an asynchronous motor, for supply by an A.C. voltage, the present invention including the steps of: detecting a voltage representative of the voltage across the series connection of the element and of the triac; comparing this detected voltage with respect to a threshold; and blocking a turning back on of the triac when the threshold has been exceeded.

    摘要翻译: 一种用于控制旨在与正温度系数的电阻元件串联连接的三端双向可控硅开关元件或电容元件的电路,以及用于启动异步电动机的绕组,用于由AC电压供电,本发明包括步骤 :检测表示元件和三端双向可控硅开关元件的串联连接上的电压的电压; 将该检测到的电压相对于阈值进行比较; 并且当超过阈值时阻止三端双向可控硅开关的反转。

    CONTROL OF AN ASYNCHRONOUS MOTOR
    13.
    发明申请
    CONTROL OF AN ASYNCHRONOUS MOTOR 审中-公开
    异步电动机的控制

    公开(公告)号:US20110006721A1

    公开(公告)日:2011-01-13

    申请号:US12521808

    申请日:2008-01-04

    IPC分类号: H02P1/40

    CPC分类号: H02P25/04 H02P1/445

    摘要: The invention relates to a device for controlling the speed and the rotation direction of an asynchronous motor (1), comprising a first circuit (7) with two bi-directional switches (T′4, T′5) individually controlled and having first conducting terminals connected to a common terminal (6) for applying a direct potential (Vcc) and having second conducting terminals that can be respectively connected to the first ends (12, 14) of windings (15, 16) of the motor stator, and a second circuit (3′) with at least two parallel bi-directional switches (T1, T2, T3) individually controlled and having first respective conducting terminals (Ki) connected to the common terminal.

    摘要翻译: 本发明涉及一种用于控制异步电动机(1)的速度和旋转方向的装置,包括具有单独控制并具有第一导通的两个双向开关(T'4,T'5)的第一电路(7) 连接到用于施加直接电位(Vcc)的公共端子(6)的端子,并具有可分别连接到电动机定子的绕组(15,16)的第一端(12,14)的第二导电端子,以及 具有至少两个并联的双向开关(T1,T2,T3)的第二电路(3')被单独控制并且具有连接到公共端子的第一相应的导通端子(Ki)。

    Capacitive power supply circuit and method
    14.
    发明授权
    Capacitive power supply circuit and method 有权
    电容电源电路及方法

    公开(公告)号:US07483280B2

    公开(公告)日:2009-01-27

    申请号:US11202642

    申请日:2005-08-11

    IPC分类号: H02M1/12 H02M1/14

    CPC分类号: H02M7/12 H02M7/06

    摘要: A capacitive power supply circuit, comprising a power storage element between two output terminals for providing a rectified output voltage; in series between a first input terminal for applying an A.C. voltage and a first of the output terminals, at least one capacitor and a first diode; a switch controllable by application of a signal on a triggering terminal; and means for controlling said switch to the on state when the output voltage is in a predetermined range of values.

    摘要翻译: 一种电容电源电路,包括用于提供整流输出电压的两个输出端之间的功率存储元件; 串联连接在用于施加交流电压的第一输入端和第一输出端之间,至少一个电容和第一二极管; 通过在触发终端上施加信号可控的开关; 以及当输出电压处于预定值范围时将所述开关控制到导通状态的装置。

    Power dimmer
    15.
    发明申请
    Power dimmer 有权
    电源调光

    公开(公告)号:US20080157747A1

    公开(公告)日:2008-07-03

    申请号:US11998161

    申请日:2007-11-28

    IPC分类号: G05F1/445

    摘要: A circuit for controlling the power in a load supplied by an A.C. voltage and directly connected to a first terminal of application of the A.C. voltage, including two isolated-gate bipolar transistors, connected in anti-parallel between a second terminal of application of the A.C. voltage and the load; circuitry for detecting the zero crossing of the A.C. supply voltage in a first direction; circuitry for generating, at each period of the supply voltage, a pulse of predetermined duration for controlling a first one of said transistors, the time of occurrence of the pulse being conditioned by the detection of the zero crossing of the A.C. voltage and by a desired power reference setting a variable delay of occurrence of the pulse with respect to the detected zero crossing; and circuitry for inverting and transferring said pulse to the second transistor.

    摘要翻译: 一种用于控制由AC电压提供并直接连接到施加AC电压的第一端子的负载中的功率的电路,包括两个隔离栅双极晶体管,反相并联连接在AC的第二端 电压和负载; 用于检测交流电源电压在第一方向上的过零点的电路; 电路,用于在电源电压的每个周期产生用于控制所述晶体管中的第一个的预定持续时间的脉冲,通过检测交流电压的零交叉来调节脉冲的发生时间和期望的 功率参考设置相对于检测到的过零点的脉冲发生的可变延迟; 以及用于将所述脉冲反转并传送到第二晶体管的电路。

    Circuit for the control of a triac without galvanic isolation
    16.
    发明授权
    Circuit for the control of a triac without galvanic isolation 有权
    用于控制三端双向可控硅开关的电路,无需电隔离

    公开(公告)号:US07224087B2

    公开(公告)日:2007-05-29

    申请号:US10744333

    申请日:2003-12-23

    IPC分类号: H01H9/54 H03K17/60

    摘要: A circuit for controlling a bidirectional switch referenced to a first reference voltage by a control circuit supplied by a first voltage and referenced to a second reference voltage. The supply voltage of the control circuit is connected by a diode to a coupling circuit comprising a node, this node being connected to the collector of an NPN transistor having its emitter connected to the second reference voltage and having its base receiving the output of the control circuit, to a first terminal of a capacitor having its second terminal connected to the first reference voltage, to the emitter of a PNP transistor having its base connected to the collector of the transistor, and having its collector connected to the control terminal of the bidirectional switch.

    摘要翻译: 一种用于通过由第一电压提供并参考第二参考电压的控制电路来控制参考第一参考电压的双向开关的电路。 控制电路的电源电压通过二极管连接到包括节点的耦合电路,该节点连接到其发射极连接到第二参考电压的NPN晶体管的集电极,并且其基极接收控制的输出 电路连接到其第二端子连接到第一参考电压的电容器的第一端子到其基极连接到晶体管的集电极的PNP晶体管的发射极,并且其集电极连接到双向的控制端子 开关。

    Capacitive power supply circuit and method

    公开(公告)号:US20060034109A1

    公开(公告)日:2006-02-16

    申请号:US11202642

    申请日:2005-08-11

    IPC分类号: H02M7/00

    CPC分类号: H02M7/12 H02M7/06

    摘要: A capacitive power supply circuit, comprising a power storage element between two output terminals for providing a rectified output voltage; in series between a first input terminal for applying an A.C. voltage and a first of the output terminals, at least one capacitor and a first diode; a switch controllable by application of a signal on a triggering terminal; and means for controlling said switch to the on state when the output voltage is in a predetermined range of values.

    Capacitive power supply with surge current limitation
    18.
    发明授权
    Capacitive power supply with surge current limitation 有权
    具有浪涌电流限制的电容电源

    公开(公告)号:US08988908B2

    公开(公告)日:2015-03-24

    申请号:US13326849

    申请日:2011-12-15

    CPC分类号: H02M7/062 H02H9/001 H02M7/125

    摘要: A capacitive power supply including: a first capacitive element and a first resistive element in series between a first terminal of a power switch and at least one rectifying element having a second terminal connected to a first electrode of at least one second capacitive element for providing a D.C. voltage; and a bidirectional switch in parallel on the resistor.

    摘要翻译: 一种电容性电源,包括:电源开关的第一端子与至少一个整流元件串联的第一电容元件和第一电阻元件,所述第一电容元件具有连接到至少一个第二电容元件的第一电极的第二端子,用于提供 直流电压; 和电阻上的并联双向开关。

    Circuit for controlling a switch in series with a capacitive element
    19.
    发明授权
    Circuit for controlling a switch in series with a capacitive element 有权
    用于控制与电容元件串联的开关的电路

    公开(公告)号:US08982594B2

    公开(公告)日:2015-03-17

    申请号:US13332830

    申请日:2011-12-21

    IPC分类号: H02M7/06 H02M7/155 H02M1/00

    摘要: A circuit for controlling a switch in series with a capacitive element. A circuit may include a bidirectional switch and a diode in parallel with first and second conduction terminals of the switch. The switch may be configured to control a capacitive element adapted to be coupled to an A.C. voltage. The switch includes first and second conduction terminals configured to conduct a same current when the switch is activated.

    摘要翻译: 用于控制与电容元件串联的开关的电路。 电路可以包括双向开关和与开关的第一和第二导电端子并联的二极管。 开关可以被配置为控制适于耦合到交流电压的电容元件。 开关包括被配置为当开关被激活时导通相同电流的第一和第二导电端子。