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1.发明授权Arrangements for reducing interference from a dimming system, and dimmer therefor 失效用于减少来自调光系统的干扰的装置，并对其进行调光
公开(公告)号：US5424618A
公开(公告)日：1995-06-13
申请号：US70110
申请日：1993-05-28
CPC分类号： H02M5/293 , H05B39/048 , H05B39/08 , Y02B20/148 , Y10S315/04
摘要： A lighting control system which comprises an AC mains power point, power distribution means coupled to the AC mains, a dimmer assembly comprising one or a plurality of co-located dimmer circuits each coupled to the distribution means to receive AC power therefrom, and each comprising an output port developing an AC power signal of frequency corresponding to the AC mains, each said dimmer circuit comprising a current path between the distribution means and the output port, a switching means located in the current path so as to controllably interrupt passage of current, switch driving means supplying a control signal to the switching means to cause it to interrupt the current path a multiplicity of times within each AC half cycle, and filtering means in the current path between the switching means and the output port arranged to smooth the current therethrough, the filtering means being arranged to attenuate current components at the frequency of operation of the switching means, and not substantially to attenuate current components at the frequency of the mains, the switch driving means being controllable to vary the duty factor of operation of the switching means, so as to provide at the output port a power signal at the mains frequency with an RMS amplitude related to the duty factor of the switching means; dimmer control means connected via a connection means to the switch driving means of each dimmer circuit to vary the duty factor thereof in accordance with a desired power output thereof; a power cable connected to each output port to enable one or many luminaire units to be supplied with power from a respective dimmer unit.
摘要翻译： 一种照明控制系统，包括AC电源点，耦合到AC电源的配电装置，包括一个或多个共同位置的调光器电路的调光器组件，每个调光器电路分别耦合到分配装置以从其接收AC电力，并且每个包括 输出端口，形成与交流电源相对应的频率的交流电力信号，每个所述调光电路包括分配装置和输出端口之间的电流路径，位于电流路径中的开关装置，以便可控制地中断电流的通过， 开关驱动装置，向开关装置提供控制信号，使其在每个AC半周期内多次中断电流路径;以及在开关装置和输出端口之间的电流路径中的滤波装置，其布置成使电流平滑 滤波装置被布置为以切换装置的操作频率衰减电流分量，而不是 基本上以电源频率衰减电流分量，开关驱动装置是可控制的，以改变开关装置的工作的占空比，从而在输出端口处提供具有RMS幅度相关的电源频率处的功率信号 到切换装置的占空因数; 调光器控制装置经由连接装置连接到每个调光电路的开关驱动装置，以根据其期望的功率输出改变其占空比; 连接到每个输出端口的电力电缆，以使得能够从相应的调光单元向一个或多个照明器单元供电。
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公开(公告)号：US5143447A
公开(公告)日：1992-09-01
申请号：US740295
申请日：1991-08-05
申请人： David R. Bertenshaw
发明人： David R. Bertenshaw
CPC分类号： H01K1/14 , F21V7/0058 , F21Y2103/33
摘要： A lamp assembly particularly for a luminaire comprising a lamp having a light emitting member of generally torroidal shape and a reflector positioned and shaped to reflect light received from the light emitting member through the central opening. The light emitting member is preferably a filament of an incandescent lamp. The reflector has a cross-section comprising first and second arcs which are substantially symmetrical with respect to a line joining the center of the reflector and a point substantially at the center of the torroidal member and the shape of the reflector is that described by rotating the arcs about the line. The arcs may be elliptical or circular for example with their foci or centers positioned to achieve the required effect.
摘要翻译： 一种特别用于照明器的灯组件，包括具有通常呈环形形状的发光部件的灯，以及反射器，其被定位和成形为将通过中心开口反射从发光部件接收的光。 发光部件优选为白炽灯的灯丝。 反射器具有包括第一和第二弧的横截面，其相对于连接反射器的中心的线和基本上在环形构件的中心的点基本对称，并且反射器的形状是通过旋转 弧线绕线。 弧可以是椭圆形的或圆形的，例如它们的焦点或中心被定位成实现所需的效果。
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公开(公告)号：US5237244A
公开(公告)日：1993-08-17
申请号：US745610
申请日：1991-07-15
CPC分类号： H05B39/08 , G05F1/455 , H02M5/2576
摘要： In a lighting power controller having a controllable switch (such as a thyristor), in order to compensate for perturbations in the mains supply waveform, the waveform is analysed and a table is set up of thyristor firing angle against output RMS voltage. To obtain a desired output RMS voltage, the thyristor is fired at the angle indicated by the table.
摘要翻译： 在具有可控开关（例如晶闸管）的照明功率控制器中，为了补偿电源波形中的扰动，分析波形，并且建立晶闸管触发角与输出RMS电压的表。 为了获得所需的输出RMS电压，晶闸管以表格所示的角度点火。
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公开(公告)号：US5235499A
公开(公告)日：1993-08-10
申请号：US901988
申请日：1992-06-22
申请人： David R. Bertenshaw
发明人： David R. Bertenshaw
CPC分类号： H01K1/14 , F21V7/0058 , F21Y2103/33
摘要： A lamp assembly particularly for a luminaire comprising a lamp having a light emitting member of generally torroidal shape and a reflector positioned and shaped to reflect light received from the light emitting member through the central opening. The light emitting member is preferably a filament of an incandescent lamp. The reflector has a cross-section comprising first and second arcs which are substantially symmetrical with respect to a line joining the center of the reflector and a point substantially at the centre of the torroidal member and the shape of the reflector is that described by rotating said arcs about said line. The arcs may be elliptical or circular for example with their foci or centers positioned to achieve the required effect.
摘要翻译： 一种特别用于照明器的灯组件，包括具有通常呈环形形状的发光部件的灯，以及反射器，其被定位和成形为将通过中心开口反射从发光部件接收的光。 发光部件优选为白炽灯的灯丝。 反射器具有包括第一和第二弧的横截面，其相对于连接反射器的中心的线和基本上在环形构件的中心的点基本对称，并且反射器的形状是通过旋转所述 关于所述线的弧。 弧可以是椭圆形的或圆形的，例如它们的焦点或中心被定位成实现所需的效果。
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公开(公告)号：US5066896A
公开(公告)日：1991-11-19
申请号：US450294
申请日：1989-12-12
CPC分类号： H05B39/08 , G05F1/455 , H02M5/2576
摘要： In a lighting power controller having a controllable switch (such as a thyristor), in order to compensate for perturbations in the mains supply waveform, the waveform is analyzed and a table is set up of thyristor firing angle against output RMS voltage. To obtain a desired output RMS voltage, the thyristor is fired at the angle indicated by the table.
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公开(公告)号：US4933804A
公开(公告)日：1990-06-12
申请号：US185149
申请日：1988-04-22
CPC分类号： H01L23/66 , H01L23/642 , H01L2924/0002
摘要： An electrical unit such as a lighting dimmer pack incorporating one or more semi-conducting switching devices such as triacs or thyristors, wherein the usual insulated mounting base (18) of the triac (30) is in turn mounted on the unit casing via an electrically insulating heat conductor, and the said mounting base is connected to the phase or neutral conductor (52), preferably the latter. In a preferred arrangement, a plurality of triacs are clamped by a printed circuit board which provides the connection from the triac bases to the neutral conductor.
摘要翻译： 包括一个或多个半导体开关器件（例如三端双向可控硅开关元件或晶闸管）的照明调光器组件的电气单元，其中三端双向可控硅（30）的通常的绝缘安装基座（18）又通过电气 绝缘导热体，并且所述安装基座连接到相或中性导体（52），优选后者。 在优选的布置中，多个三端双向可控硅开关元件被印刷电路板夹紧，印刷电路板提供从三端双向可控硅开关元件到中性导体的连接。
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公开(公告)号：US4437169A
公开(公告)日：1984-03-13
申请号：US259678
申请日：1981-05-01
CPC分类号： H05B37/029 , G05B2219/2214 , G05B2219/23051
摘要： A stage lighting control system having a main processor unit and a portable desk controller, wherein a local microprocessor is provided in the portable desk controller to scan the dimmer control contacts in the desk and to transmit changed state control data to the main processor as an asynchronous serially coded signal on a low capacity link which enables the controller to be conveniently located remote from the main processor. Changed display data is developed by a visual display unit (V.D.U.) interface in the main processor for transmission on the low capacity link as standard composite video to a V.D.U. at the desk. Output to the dimmers circuitry is through an expansible plurality of output channel processors controlling groups of dimmers for efficient data formatting. Lighting level information is recorded in accordance with a channel code, patching means being provided to enable differing arrangements of dimmers circuitry to be controlled in accordance with the recorded lighting level information.
摘要翻译： 一种具有主处理器单元和便携式桌面控制器的舞台照明控制系统，其中在便携式桌面控制器中提供本地微处理器以扫描桌面中的调光器控制触点，并将改变的状态控制数据作为异步传送到主处理器 低容量链路上的串行编码信号，使得控制器能够方便地位于远离主处理器的位置。 改变的显示数据由主处理器中的可视显示单元（V.D.U.）接口开发，用于在低容量链路上作为标准复合视频传输到V.D.U。 在桌子上 输出到调光器电路是通过可扩展的多个输出通道处理器来控制调光器组，用于有效的数据格式化。 根据信道码记录照明级别信息，提供修补装置以使得能够根据记录的照明级别信息来控制调光器电路的不同布置。
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