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    • 52. 发明授权
    • Energy-saving controller for three-phase induction motors
    • 三相异步电动机节能控制器
    • US08217618B2
    • 2012-07-10
    • US12379394
    • 2009-02-20
    • Ka Wai Eric ChengXiangdang Xue
    • Ka Wai Eric ChengXiangdang Xue
    • H02P3/18
    • H02P23/02H02P27/16
    • The present invention relates to an energy-saving system for three-phase induction motors and is based on the principle of variable voltage control at constant speed. It is composed of a microprocessor, exampling circuit, sensing circuit, acquiring circuit, firing circuit, and AC to AC converter. The system is to automatically adjust the voltage to the induction motor with the variation in the motor load, in order to obtain high operating power factor and efficiency. The system will result in considerable energy-savings when a three-phase induction motor runs under constant light-load or variable-load with low duty ratio.
    • 本发明涉及一种用于三相感应电动机的节能系统,其基于恒定速度可变电压控制的原理。 它由微处理器,采样电路,感测电路,采集电路,点火电路和交流转换器组成。 该系统是随着电动机负载的变化自动调节感应电动机的电压,以获得高的工作功率因数和效率。 当三相感应电机在恒定的轻负载或低负载下的可变负载下运行时,该系统将节省相当的能量。
    • 53. 发明申请
    • SOLAR POWERED VEHICLE AIR-CONDITIONING SYSTEM
    • 太阳能动力车辆空调系统
    • US20120096885A1
    • 2012-04-26
    • US13225549
    • 2011-09-06
    • Shui Hung MAKKa Wai Eric Cheng
    • Shui Hung MAKKa Wai Eric Cheng
    • B60H1/00F25B27/00
    • F25B27/002B60K16/00B60K2016/003F24F2005/0067Y02T10/90
    • A solar powered vehicle air-conditioning system for air conditioning a vehicle includes an air conditioning subsystem and a solar power subsystem. The air conditioning subsystem includes a compressor, a condenser, an evaporator and a plurality of valves and sensors, and is configured for air conditioning the vehicle. The solar power subsystem includes a solar photovoltaic module configured for generating electric power when being illuminated by sunlight, a battery module configured for providing electric power to the air conditioning subsystem, and a solar power control module configured for receiving the electric power from the solar photovoltaic module and charging the battery module thereby. The solar power control module is configured to regulate the charging current flowing from the solar power control module to the battery module to be equal to or less than a predetermined current value.
    • 用于空调车辆的太阳能车辆空调系统包括空调子系统和太阳能发电子系统。 空调子系统包括压缩机,冷凝器,蒸发器和多个阀和传感器,并且被配置为空调车辆。 太阳能发电子系统包括太阳光发电模块,被配置为在由太阳光照射时产生电力;电池模块,被配置为向空调子系统提供电力;以及太阳能电力控制模块,被配置为从太阳能光伏 模块,从而对电池模块进行充电。 太阳能电力控制模块被配置为将从太阳能电力控制模块流向电池模块的充电电流调节为等于或小于预定电流值。
    • 56. 发明申请
    • LIGHT EMITTING DIODE DISPLAY
    • 发光二极管显示
    • US20110019412A1
    • 2011-01-27
    • US12895846
    • 2010-09-30
    • Eric Cheng Yuan Wu
    • Eric Cheng Yuan Wu
    • F21V11/00F21V5/00
    • G09F9/33G09F9/3023
    • An LED display with a reduced thickness is described. In one embodiment, the LED display includes a second support plate between a front support plate and a back support plate. The second support plate enables the front support plate to be thinner than if the second support plate was not included. The second support plate increases the distance between an LED chip and a light exit surface thereby allowing the front support plate thickness to be reduced by about the thickness of the second support plate. In one embodiment, the second support plate allows the thickness of an LED display to be thinner. The second support plate adds structural integrity to a back support plate. Therefore, the back support plate can be thinner, and thickness of the LED display can be reduced.
    • 描述了具有减小的厚度的LED显示器。 在一个实施例中,LED显示器包括在前支撑板和后支撑板之间的第二支撑板。 第二支撑板使得前支撑板比不包括第二支撑板的情况更薄。 第二支撑板增加了LED芯片和光出射表面之间的距离,从而允许前支撑板厚度减小约第二支撑板的厚度。 在一个实施例中,第二支撑板允许LED显示器的厚度更薄。 第二支撑板向后支撑板增加了结构完整性。 因此,后支撑板可以更薄,并且可以减少LED显示器的厚度。