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    • 1. 发明授权
    • Power supply for a load control device
    • 负载控制装置的电源
    • US07423413B2
    • 2008-09-09
    • US11447489
    • 2006-06-06
    • Aaron DobbinsRussell WeightmanDavid J PerreaultJames P SteinerChen Ming Wu
    • Aaron DobbinsRussell WeightmanDavid J PerreaultJames P SteinerChen Ming Wu
    • G05F1/455H02J3/12
    • H02M5/257H02M5/2573H02M2001/0006H05B39/08
    • A power supply for a load control device is disposed in series with an AC voltage source and a load and generates a substantially DC voltage for powering a controller of the load control device. The power supply is operable to provide substantially all voltage provided by the AC voltage source to the load and includes a controllably conductive device, a triggering device, and a charging circuit. The charging circuit is operable to charge an energy storage device and to conduct current to the load when the controllably conductive device is non-conductive. The controllably conductive device begins conducting the full load current when the energy storage device has charged to a predetermined amount of energy. Before the controllably conductive device begins to conduct, only a minimal voltage, which is substantially the same as the break-over voltage of the triggering circuit, develops across the power supply to allow the energy storage device to charge.
    • 用于负载控制装置的电源与AC电压源和负载串联设置,并且产生用于为负载控制装置的控制器供电的基本上的DC电压。 电源可操作以将交流电压源提供的基本上所有电压提供给负载,并且包括可控导电器件,触发器件和充电电路。 充电电路可操作地对能量存储装置充电,并且当可控导电装置不导电时,将电流传导到负载。 当能量存储装置已经充电到预定量的能量时,可控导电装置开始传导满载电流。 在可控制导电器件开始导通之前,只有最小电压(其与触发电路的断开电压基本相同)在电源上形成,以使能​​量存储器件充电。
    • 2. 发明授权
    • Method and apparatus for quiet variable motor speed control
    • 用于静音可变电机速度控制的方法和装置
    • US07330004B2
    • 2008-02-12
    • US11447728
    • 2006-06-06
    • Stuart DeJongeJames P SteinerAaron DobbinsChen Ming Wu
    • Stuart DeJongeJames P SteinerAaron DobbinsChen Ming Wu
    • H02K27/00
    • H02P25/14H02P25/04H02P27/16H02P29/50
    • An apparatus for controlling the speed of an AC motor comprising a switch adapted to be coupled in parallel with power terminals for the AC motor; a capacitor coupled in series with the parallel combination of the switch and the motor; the capacitor adapted to provide an AC supply voltage from an AC source to the parallel circuit comprising the motor and the switch; and a control circuit for controlling the conduction time of the switch in order to vary the speed of the motor. The switch is preferably pulse-width modulated at a frequency twice the line frequency of the AC supply voltage, and the switch is turned on when the voltage across the AC motor is zero volts. The apparatus is operable to provide for continuously variable control of the motor speed while minimizing acoustic noise in the motor.
    • 一种用于控制AC电动机的速度的装置,包括适于与AC电动机的电源端并联耦合的开关; 电容器与开关和电动机的并联组合串联耦合; 所述电容器适于将AC电源电压从AC电源提供给包括电动机和开关的并联电路; 以及用于控制开关的导通时间以便改变电动机的速度的控制电路。 该开关优选地以两倍于AC电源电压的频率的频率进行脉冲宽度调制,并且当交流电动机上的电压为零伏特时,该开关导通。 该装置可操作以提供电动机速度的连续可变控制,同时最小化电动机中的声学噪声。
    • 3. 发明授权
    • Apparatus and method for displaying operating characteristics on status indicators
    • 用于显示状态指示灯的操作特性的装置和方法
    • US07312695B2
    • 2007-12-25
    • US11191780
    • 2005-07-28
    • Matthew J. LehmerNathan BoringAaron Dobbins
    • Matthew J. LehmerNathan BoringAaron Dobbins
    • B60R25/10
    • G09F9/302G09F9/33H05B33/0803H05B33/0842H05B37/0272H05B37/029H05B39/04Y10T307/76Y10T307/937Y10T307/944
    • A user interface for a load control device allows a user to control an operating characteristic of a load to a plurality of discrete levels. The user interface comprises an adjustment member for allowing the user to select one of the discrete levels and a linear array of status indicators for displaying the discrete level. The number of discrete levels is greater than the number of status indicators. According to a first embodiment of the present invention, either one status indicator or two consecutive status indicators are illuminated to indicate the presently selected discrete level. According to a second embodiment, a fully illuminated status indicator is surrounded by two dimly illuminated status indicators to indicate the presently selected discrete level. According to a third embodiment, a single status indicator may be illuminated to indicate one or more of the discrete levels.
    • 用于负载控制装置的用户界面允许用户将负载的操作特性控制到多个离散水平。 用户界面包括用于允许用户选择离散级中的一个的调整构件和用于显示离散级的状态指示器的线性阵列。 离散级别的数量大于状态指示器的数量。 根据本发明的第一实施例,对一个状态指示符或两个连续的状态指示灯进行点亮以指示当前选择的离散电平。 根据第二实施例,完全照明的状态指示器被两个昏暗照明的状态指示器包围以指示当前选择的离散电平。 根据第三实施例,可以照亮单个状态指示符以指示一个或多个离散电平。
    • 4. 发明申请
    • METHOD AND APPARATUS FOR QUIET FAN SPEED CONTROL
    • 用于快速风扇速度控制的方法和装置
    • US20070114963A1
    • 2007-05-24
    • US11560664
    • 2006-11-16
    • James SteinerAaron DobbinsChen Wu
    • James SteinerAaron DobbinsChen Wu
    • H02P1/26
    • H02P1/24H02P7/288
    • An AC motor speed controller includes a plurality of capacitors that may be selectively switched, by means of controllably conductive switches, into series electrical connection with an AC motor and an AC voltage source to control the speed of the motor. To change the speed of the motor, a control circuit renders a first switch conductive, in response to a first detected AC voltage zero crossing, to charge a first capacitor to a predetermined voltage. The control circuit then renders a second switch conductive, in response to a subsequent second detected AC voltage zero crossing, to charge a second capacitor to the predetermined voltage. The control circuit then renders both switches simultaneously conductive at a predetermined time after a subsequent third detected AC voltage zero crossing. The capacitors will thereby be charged to the same voltage prior to being switched into series with the motor, thereby resulting in reduced acoustic noise when changing motor speeds.
    • AC电动机速度控制器包括可以通过可控制的导电开关与AC电动机和AC电压源串联电连接以选择性地切换多个电容器,以控制电动机的速度。 为了改变电动机的速度,控制电路响应于第一检测到的交流电压过零而使第一开关导通,以将第一电容器充电至预定电压。 然后,控制电路响应于随后的第二检测到的交流电压过零而使第二开关导通,以将第二电容器充电到预定电压。 然后,控制电路在随后的第三检测到的AC电压过零之后,在预定的时间使两个开关同时导通。 因此,在电动机切换成串联之前,电容器将被充电到相同的电压,从而在改变电动机速度时导致降低的声学噪声。
    • 5. 发明申请
    • Method and apparatus for quiet variable motor speed control
    • 用于静音可变电机速度控制的方法和装置
    • US20060273751A1
    • 2006-12-07
    • US11447728
    • 2006-06-06
    • Stuart DeJongeJames SteinerAaron DobbinsChen Wu
    • Stuart DeJongeJames SteinerAaron DobbinsChen Wu
    • H02P1/26
    • H02P25/14H02P25/04H02P27/16H02P29/50
    • An apparatus for controlling the speed of an AC motor comprising a switch adapted to be coupled in parallel with power terminals for the AC motor; a capacitor coupled in series with the parallel combination of the switch and the motor; the capacitor adapted to provide an AC supply voltage from an AC source to the parallel circuit comprising the motor and the switch; and a control circuit for controlling the conduction time of the switch in order to vary the speed of the motor. The switch is preferably pulse-width modulated at a frequency twice the line frequency of the AC supply voltage, and the switch is turned on when the voltage across the AC motor is zero volts. The apparatus is operable to provide for continuously variable control of the motor speed while minimizing acoustic noise in the motor.
    • 一种用于控制AC电动机的速度的装置,包括适于与AC电动机的电源端并联耦合的开关; 电容器与开关和电动机的并联组合串联耦合; 所述电容器适于将AC电源电压从AC电源提供给包括电动机和开关的并联电路; 以及用于控制开关的导通时间以便改变电动机的速度的控制电路。 该开关优选地以两倍于AC电源电压的频率的频率进行脉冲宽度调制,并且当交流电动机上的电压为零伏特时,该开关导通。 该装置可操作以提供电动机速度的连续可变控制,同时最小化电动机中的声学噪声。
    • 8. 发明授权
    • Wall-mountable timer for an electrical load
    • 用于电气负载的壁挂式定时器
    • US07579717B2
    • 2009-08-25
    • US11521234
    • 2006-09-13
    • Edward J. BlairAaron DobbinsNicole R. VigueElliot G. JacobyRobert C. Newman, Jr.
    • Edward J. BlairAaron DobbinsNicole R. VigueElliot G. JacobyRobert C. Newman, Jr.
    • H01H7/00
    • H05B37/0281Y02B20/42Y10T307/951Y10T307/977
    • A wall-mountable electrical timer for controlling the delivery of power from an AC power source to an electrical load, such as a lamp or a fan motor, includes: a timer adjustment actuator for selecting a predetermined time period of operation for the load; a toggle actuator for starting the timer, turning off the timer, and placing the timer in a bypass mode of operation; a vertical linear array of light-emitting diode visual indicators for indicating the length of a predetermined time period, the time remaining, and whether the timer is in the bypass mode; a controllably conductive device for regulating the delivery of power from the AC source to the load; and a controller for receiving inputs from the timer adjustment actuator and the toggle actuator, and for transmitting outputs to the visual indicators and the controllably conductive device.
    • 用于控制从AC电源向诸如灯或风扇电动机的电负载传递电力的壁挂式电定时器包括:定时器调节致动器,用于选择负载的预定时间段; 用于启动定时器的切换致动器,关闭定时器,并将定时器置于旁路操作模式; 用于指示预定时间段的长度,剩余时间以及定时器是否处于旁路模式的发光二极管视觉指示器的垂直线性阵列; 用于调节从AC电源到负载的电力传送的可控导电装置; 以及控制器,用于接收来自定时器调节致动器和肘节致动器的输入,并且用于将输出传输到视觉指示器和可控导电装置。
    • 9. 发明授权
    • Power supply for a load control
    • 负载控制装置的电源
    • US07564227B2
    • 2009-07-21
    • US12140648
    • 2008-06-17
    • Aaron DobbinsRussell WeightmanDavid PerreaultJames P. SteinerChen Ming Wu
    • Aaron DobbinsRussell WeightmanDavid PerreaultJames P. SteinerChen Ming Wu
    • G05F1/455H02J3/12
    • H02M5/257H02M5/2573H02M2001/0006H05B39/08
    • A power supply adapted to be coupled in series electrical connection between an AC voltage source and an electrical load for generating a DC voltage, the power supply comprising an energy storage capacitor, the DC voltage produced across the capacitor; a charging circuit adapted to be coupled in series electrical connection between the source and the load and to conduct a load current from the source to the load, the charging circuit coupled to the energy storage capacitor for charging the energy storage capacitor; a controllably conductive device coupled in parallel electrical connection with the charging circuit and having a control input for rendering the controllably conductive device conductive, the controllably conductive device adapted to carry the load current from the source to the load when the controllably conductive device is conductive; and a triggering circuit coupled to the control input of the controllably conductive device for causing the controllably conductive device to become conductive when the energy storage capacitor has charged to a desired maximum value; wherein the charging circuit is adapted to conduct the load current from the source to the load when the controllably conductive device is non-conductive, the charging circuit imposing a low voltage drop relative to the peak value of an AC voltage of the AC voltage source, such that substantially all of the AC voltage is available to the load during the time when the controllably conductive device is non-conductive.
    • 一种适于在AC电压源和用于产生DC电压的电负载之间串联连接的电源,所述电源包括储能电容器,所述电容器两端产生的直流电压; 充电电路,其适于在所述源极和所述负载之间串联电连接并且将负载电流从所述源极传递到所述负载,所述充电电路耦合到所述储能电容器,用于对所述储能电容器充电; 可控导电装置,其与所述充电电路并联电连接并且具有用于使所述可控制导电装置导电的控制输入,所述可控制导电装置适于在所述可控导电装置导电时将所述负载电流从所述源运载到所述负载; 以及触发电路,其耦合到所述可控导电装置的控制输入端,用于当所述储能电容器已经充电至期望的最大值时使所述可控导电器件导通; 其中所述充电电路适于在所述可控导电器件不导通时将来自所述源极的负载电流传导到所述负载,所述充电电路相对于所述AC电压源的AC电压的峰值施加低电压降, 使得在可控导电器件不导电的时间内基本上所有的交流电压都可用于负载。
    • 10. 发明申请
    • Wall-mountable timer for an electrical load
    • 用于电气负载的壁挂式定时器
    • US20080061633A1
    • 2008-03-13
    • US11521234
    • 2006-09-13
    • Edward J. BlairAaron DobbinsNicole R. VigueElliot G. Jacoby
    • Edward J. BlairAaron DobbinsNicole R. VigueElliot G. Jacoby
    • H01H43/00
    • H05B37/0281Y02B20/42Y10T307/951Y10T307/977
    • A wall-mountable electrical timer for controlling the delivery of power from an AC power source to an electrical load, such as a lamp or a fan motor, includes: a timer adjustment actuator for selecting a predetermined time period of operation for the load; a toggle actuator for starting the timer, turning off the timer, and placing the timer in a bypass mode of operation; a vertical linear array of light-emitting diode visual indicators for indicating the length of a predetermined time period, the time remaining, and whether the timer is in the bypass mode; a controllably conductive device for regulating the delivery of power from the AC source to the load; and a controller for receiving inputs from the timer adjustment actuator and the toggle actuator, and for transmitting outputs to the visual indicators and the controllably conductive device.
    • 用于控制从AC电源向诸如灯或风扇电动机的电负载传递电力的壁挂式电定时器包括:定时器调节致动器,用于选择负载的预定时间段; 用于启动定时器的切换致动器,关闭定时器,并将定时器置于旁路操作模式; 用于指示预定时间段的长度,剩余时间以及定时器是否处于旁路模式的发光二极管视觉指示器的垂直线性阵列; 用于调节从AC电源到负载的电力传送的可控导电装置; 以及控制器,用于接收来自定时器调节致动器和肘节致动器的输入,并且用于将输出传输到视觉指示器和可控导电装置。