Method and apparatus for communicating message signals in a load control system
    1.
    发明授权
    Method and apparatus for communicating message signals in a load control system 有权
    用于在负载控制系统中传送消息信号的方法和装置

    公开(公告)号:US08471687B2

    公开(公告)日:2013-06-25

    申请号:US13270704

    申请日:2011-10-11

    IPC分类号: H04L25/00

    摘要: A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source and a light/motor control unit. The light/motor control unit is preferably located in the same enclosure as an electric motor and an electric light and has two outputs for independent control of the motor and the light. The light/motor control unit and the wallstations each include a controller and a communication circuit that is coupled to the power wiring via a communication transformer and communicate with each other using a loop current carrier technique. The light/motor control unit and the wallstations utilize pseudo random orthogonal codes and a median filter in the communication process.

    摘要翻译: 用于独立控制电动机和电灯的系统包括通过交流(AC)源和光/电动机控制单元之间的电力线串联耦合的多个双线壁站。 光/电动机控制单元优选地位于与电动机和电灯相同的外壳中,并且具有两个用于马达和灯的独立控制的输出。 光/电动机控制单元和壁台各自包括控制器和通信电路,其通过通信变压器耦合到电力线路并且使用环路电流载波技术彼此通信。 光/电机控制单元和wallstations在通信过程中使用伪随机正交码和中值滤波器。

    System for control of lights and motors
    2.
    发明授权
    System for control of lights and motors 有权
    灯和电机控制系统

    公开(公告)号:US08068014B2

    公开(公告)日:2011-11-29

    申请号:US11447431

    申请日:2006-06-06

    IPC分类号: G05B11/01

    摘要: A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source and a light/motor control unit. The light/motor control unit is preferably located in the same enclosure as an electric motor and an electric light and has two outputs for independent control of the motor and the light. The light/motor control unit and the wallstations each include a controller and a communication circuit that is coupled to the power wiring via a communication transformer and communicate with each other using a loop current carrier technique. The light/motor control unit and the wallstations utilize pseudo random orthogonal codes and a median filter in the communication process.

    摘要翻译: 用于独立控制电动机和电灯的系统包括通过交流(AC)源和光/电动机控制单元之间的电力线串联耦合的多个双线壁站。 光/电动机控制单元优选地位于与电动机和电灯相同的外壳中,并且具有两个用于马达和灯的独立控制的输出。 光/电动机控制单元和壁台各自包括控制器和通信电路,其通过通信变压器耦合到电力线路并且使用环路电流载波技术彼此通信。 光/电机控制单元和wallstations在通信过程中使用伪随机正交码和中值滤波器。

    METHOD AND APPARATUS FOR COMMUNICATING MESSAGE SIGNALS IN A LOAD CONTROL SYSTEM
    3.
    发明申请
    METHOD AND APPARATUS FOR COMMUNICATING MESSAGE SIGNALS IN A LOAD CONTROL SYSTEM 有权
    用于在负载控制系统中传达消息信号的方法和装置

    公开(公告)号:US20120051444A1

    公开(公告)日:2012-03-01

    申请号:US13270704

    申请日:2011-10-11

    摘要: A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source and a light/motor control unit. The light/motor control unit is preferably located in the same enclosure as an electric motor and an electric light and has two outputs for independent control of the motor and the light. The light/motor control unit and the wallstations each include a controller and a communication circuit that is coupled to the power wiring via a communication transformer and communicate with each other using a loop current carrier technique. The light/motor control unit and the wallstations utilize pseudo random orthogonal codes and a median filter in the communication process.

    摘要翻译: 用于独立控制电动机和电灯的系统包括通过交流(AC)源和光/电动机控制单元之间的电力线串联耦合的多个双线壁站。 光/电动机控制单元优选地位于与电动机和电灯相同的外壳中,并且具有两个用于马达和灯的独立控制的输出。 光/电动机控制单元和壁台各自包括控制器和通信电路,其通过通信变压器耦合到电力线路并且使用环路电流载波技术彼此通信。 光/电机控制单元和wallstations在通信过程中使用伪随机正交码和中值滤波器。

    System for control of lights and motors
    4.
    发明申请
    System for control of lights and motors 有权
    灯和电机控制系统

    公开(公告)号:US20080278297A1

    公开(公告)日:2008-11-13

    申请号:US11447431

    申请日:2006-06-06

    IPC分类号: G05B11/01

    摘要: A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source and a light/motor control unit. The light/motor control unit is preferably located in the same enclosure as an electric motor and an electric light and has two outputs for independent control of the motor and the light. The light/motor control unit and the wallstations each include a controller and a communication circuit that is coupled to the power wiring via a communication transformer and communicate with each other using a loop current carrier technique. The light/motor control unit and the wallstations utilize pseudo random orthogonal codes and a median filter in the communication process.

    摘要翻译: 用于独立控制电动机和电灯的系统包括通过交流(AC)源和光/电动机控制单元之间的电力线串联耦合的多个双线壁站。 光/电动机控制单元优选地位于与电动机和电灯相同的外壳中,并且具有两个用于马达和灯的独立控制的输出。 光/电动机控制单元和壁台各自包括控制器和通信电路,其通过通信变压器耦合到电力线路并且使用环路电流载波技术彼此通信。 光/电机控制单元和wallstations在通信过程中使用伪随机正交码和中值滤波器。

    Power supply for a load control
    5.
    发明授权
    Power supply for a load control 有权
    负载控制装置的电源

    公开(公告)号:US07564227B2

    公开(公告)日:2009-07-21

    申请号:US12140648

    申请日:2008-06-17

    IPC分类号: G05F1/455 H02J3/12

    摘要: 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.

    摘要翻译: 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。

    Method and apparatus for quiet fan speed control
    6.
    发明授权
    Method and apparatus for quiet fan speed control 有权
    安静风扇转速控制的方法和装置

    公开(公告)号:US08193744B2

    公开(公告)日:2012-06-05

    申请号:US12607788

    申请日:2009-10-28

    IPC分类号: H02P7/06

    CPC分类号: H02P1/24 H02P7/288

    摘要: A method for controlling the speed of an AC motor by means of an AC motor speed control having a plurality of capacitors operable to be selectively coupled in parallel electrical connection, the parallel coupled capacitors operable to be coupled in series electrical connection with the AC motor, the method comprising charging the capacitors up to substantially the same predetermined voltage prior to combining the capacitors in parallel electrical connection.

    摘要翻译: 一种用于通过具有可并联电连接的多个电容器的交流电动机速度控制来控制交流电动机的速度的方法,所述并联耦合电容器可操作以与所述交流电动机串联电连接, 该方法包括在将并联电连接的电容器组合之前将电容器充电至基本相同的预定电压。

    METHOD AND APPARATUS FOR QUIET FAN SPEED CONTROL
    7.
    发明申请
    METHOD AND APPARATUS FOR QUIET FAN SPEED CONTROL 有权
    用于快速风扇速度控制的方法和装置

    公开(公告)号:US20090072775A1

    公开(公告)日:2009-03-19

    申请号:US12173457

    申请日:2008-07-15

    IPC分类号: H02P1/46

    CPC分类号: H02P1/24 H02P7/288

    摘要: 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.

    摘要翻译: 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。

    METHOD OF ASSIGNING A SYSTEM ADDRESS TO CONTROL DEVICES OF A LOAD CONTROL SYSTEM
    8.
    发明申请
    METHOD OF ASSIGNING A SYSTEM ADDRESS TO CONTROL DEVICES OF A LOAD CONTROL SYSTEM 审中-公开
    分配系统地址以控制负载控制系统的装置的方法

    公开(公告)号:US20120068824A1

    公开(公告)日:2012-03-22

    申请号:US13270777

    申请日:2011-10-11

    IPC分类号: H02J13/00

    摘要: A system for independent control of electric motors and electric lights includes a plurality of two-wire wallstations coupled in series via power wires between an alternating-current (AC) source and a light/motor control unit. The light/motor control unit is preferably located in the same enclosure as an electric motor and an electric light and has two outputs for independent control of the motor and the light. The light/motor control unit and the wallstations each include a controller and a communication circuit that is coupled to the power wiring via a communication transformer and communicate with each other using a loop current carrier technique. The light/motor control unit and the wallstations utilize pseudo random orthogonal codes and a median filter in the communication process.

    摘要翻译: 用于独立控制电动机和电灯的系统包括通过交流(AC)源和光/电动机控制单元之间的电力线串联耦合的多个双线壁站。 光/电动机控制单元优选地位于与电动机和电灯相同的外壳中,并且具有两个用于马达和灯的独立控制的输出。 光/电动机控制单元和壁台各自包括控制器和通信电路,其通过通信变压器耦合到电力线路并且使用环路电流载波技术彼此通信。 光/电机控制单元和wallstations在通信过程中使用伪随机正交码和中值滤波器。

    Method and apparatus for quiet fan speed control
    9.
    发明授权
    Method and apparatus for quiet fan speed control 有权
    安静风扇转速控制的方法和装置

    公开(公告)号:US07671549B2

    公开(公告)日:2010-03-02

    申请号:US12173457

    申请日:2008-07-15

    IPC分类号: H02P7/06

    CPC分类号: H02P1/24 H02P7/288

    摘要: 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.

    摘要翻译: 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。

    Method and apparatus for quiet fan speed control
    10.
    发明授权
    Method and apparatus for quiet fan speed control 有权
    安静风扇转速控制的方法和装置

    公开(公告)号:US07489094B2

    公开(公告)日:2009-02-10

    申请号:US11560664

    申请日:2006-11-16

    IPC分类号: H02P7/06

    CPC分类号: H02P1/24 H02P7/288

    摘要: 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.

    摘要翻译: 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。