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    • 2. 发明授权
    • Electronic ballast circuit and method for detecting removal of parallel connected lamp filaments in low level dimming
    • 电子镇流器电路及其检测方法,用于在低电平调光中检测并联灯丝的去除
    • US08581497B1
    • 2013-11-12
    • US13315421
    • 2011-12-09
    • Wei XiongJohn J DernovsekCandice UngactaDanny Pugh
    • Wei XiongJohn J DernovsekCandice UngactaDanny Pugh
    • H05B37/02
    • H05B41/2988
    • An electronic ballast is provided with circuitry for detecting the removal of one or more lamp filaments across a range of dimming levels, and regulating an output stage including at least first and second pairs of lamp connection output terminals based on a filament connection status. A filament removal sensing circuit is coupled to the output terminal pairs and configured to generate an output voltage representative of a filament connection status with respect to the output terminal pairs. A microcontroller is coupled to receive the output voltage from the filament removal sensing circuit and programmed to determine a rate of change in the output voltage, compare the rate of change in the output voltage to a predetermined threshold value, and disable the output stage when the rate of change in the output voltage exceeds the predetermined threshold value.
    • 电子镇流器设置有用于检测在一个调光级别的范围内去除一个或多个灯丝的电路,并且基于灯丝连接状态来调节包括至少第一和第二对灯连接输出端的输出级。 灯丝去除感测电路耦合到输出端子对,并被配置为产生表示相对于输出端子对的灯丝连接状态的输出电压。 微控制器被耦合以接收来自灯丝去除感测电路的输出电压,并被编程以确定输出电压的变化率,将输出电压的变化率与预定阈值进行比较,并且当第 输出电压的变化率超过预定阈值。
    • 3. 发明授权
    • Lighting ballast and method for balancing multiple independent resonant tanks
    • 照明镇流器和平衡多个独立谐振槽的方法
    • US08610366B1
    • 2013-12-17
    • US13246359
    • 2011-09-27
    • Wei XiongDanny PughCandice Ungacta
    • Wei XiongDanny PughCandice Ungacta
    • H05B41/16
    • H05B41/2822H05B41/2827
    • A lighting ballast and associated methods balance current through resonant inductors that have inductance variation, and are further effective to balance lamp currents in the range from full brightness to full dimming. The ballast includes a lighting power source, a balancing transformer having a plurality of windings, a first resonant tank circuit having one or more transformer windings and a second resonant tank circuit having a like number of transformer windings. Each of the windings for the first resonant tank are reversed in direction in association with a corresponding winding for the second resonant tank, such that the only current passing through the windings is a current difference between the two windings.
    • 照明镇流器和相关方法通过具有电感变化的谐振电感平衡电流,并且在从全亮度到完全调光的范围内平衡灯电流更有效。 镇流器包括照明电源,具有多个绕组的平衡变压器,具有一个或多个变压器绕组的第一谐振回路和具有相同数量的变压器绕组的第二谐振回路。 第一谐振槽的绕组中的每个绕组的方向与用于第二谐振槽的相应绕组相关联,使得通过绕组的唯一电流是两个绕组之间的电流差。
    • 4. 发明授权
    • Over-voltage protection and automatic re-strike circuit for an electronic ballast
    • 电子镇流器的过电压保护和自动重击电路
    • US07768755B1
    • 2010-08-03
    • US11949938
    • 2007-12-04
    • Wei XiongDanny PughChristopher Radzinski
    • Wei XiongDanny PughChristopher Radzinski
    • H02H3/20
    • H05B41/2985
    • The present invention is an overvoltage protection and automatic re-strike circuit for an electronic ballast. The electronic ballast has an inverter, a shut-down circuit, a safety circuit, a monitoring circuit, and an overvoltage protection circuit. The inverter provides an appropriate alternating current power supply to operate the lamp. The shut-down, safety, monitoring, and overvoltage protection circuits are coupled to the inverter and provide the overvoltage protection and automatic re-striking functions. During an overvoltage condition, the overvoltage protection circuit will temporarily disable the inverter. Subsequent to the overvoltage condition, the overvoltage protection circuit permits the inverter to attempt to re-ignite the lamp. After a predetermined number of unsuccessful re-ignition attempts, the safety circuit will permanently disable the inverter to avoid damage to the ballast.
    • 本发明是用于电子镇流器的过压保护和自动重击电路。 电子镇流器具有逆变器,停机电路,安全电路,监控电路和过电压保护电路。 逆变器提供适当的交流电源来操作灯。 关断,安全,监控和过压保护电路耦合到变频器,并提供过压保护和自动重击功能。 在过电压状态下,过压保护电路将暂时禁用变频器。 在过压状态之后,过电压保护电路允许逆变器尝试重新点燃灯。 经过预定次数不成功的重启尝试后,安全电路将永久禁用变频器,以避免损坏镇流器。
    • 5. 发明授权
    • PLC controller and discharge lighting ballast receiver with high noise immunity
    • PLC控制器和放电照明镇流器,具有高抗噪声能力
    • US08427074B1
    • 2013-04-23
    • US12398494
    • 2009-03-05
    • Wei XiongDanny PughChristopher Radzinski
    • Wei XiongDanny PughChristopher Radzinski
    • G05F1/00
    • H05B37/0263H04B3/54H04B2203/5416H04B2203/5445H05B41/36
    • A power line communication system communicates a ballast dimming level to an electronic ballast over an AC power line. A power line controller is operable to generate the ballast control signal and to insert that signal on the AC power signal being transmitted over the AC power line. A power line receiver receives the AC power signal and extracts the ballast control signal from the AC power signal to generate the dimming level signal corresponding with the desired ballast dimming level. To insert the ballast control signal on the AC power signal, the power line controller has a transformer coupled to the signal pattern circuit. The secondary winding of this transformer is connected in series with the AC power line to insert the ballast control signal on the AC power signal. This AC power signal is then transmitted to the electronic ballast. To extract the ballast control signal out of the AC power signal, the power line receiver has a resonant circuit connected in series with the AC power line. The resonant circuit should be tuned to transmit the ballast control signal and to filter out the AC power signal. A dimming level sensing circuit then senses the signal pattern on the ballast control signal and generates a dimming level signal corresponding to the desired ballast dimming level.
    • 电力线通信系统通过AC电力线将镇流器调光电平传送到电子镇流器。 电力线控制器可操作以产生镇流器控制信号并将该信号插入通过AC电力线传输的AC电力信号。 电力线接收器接收AC电力信号,并从AC电力信号中提取镇流器控制信号,以产生与期望的镇流器调光电平对应的调光电平信号。 为了将镇流器控制信号插入交流电源信号,电力线控制器具有耦合到信号模式电路的变压器。 该变压器的次级绕组与交流电源线串联连接,将镇流器控制信号插入交流电源信号。 然后将该交流电源信号传送到电子镇流器。 为了从AC电力信号中提取镇流器控制信号,电力线接收器具有与AC电力线串联连接的谐振电路。 谐振电路应调谐为传输镇流器控制信号并滤除交流电源信号。 然后,调光电平感测电路感测镇流器控制信号上的信号图案,并产生对应于期望的镇流器调光电平的调光电平信号。
    • 6. 发明授权
    • Magnetic sensor chip and magnetic sensor
    • 磁传感器芯片和磁传感器
    • US09588192B2
    • 2017-03-07
    • US14004255
    • 2012-01-21
    • Bingjun QuWei Xiong
    • Bingjun QuWei Xiong
    • B82Y25/00G01R33/05G01R33/09H01L43/08
    • G01R33/05B82Y25/00G01R33/093H01L43/08
    • Disclosed are a magnetic sensor chip and a magnetic sensor. The magnetic sensor chip comprises a magnetic sensitive film (2, 21), and in the longitudinal direction of the magnetic sensitive film (2, 21) are provided a number n of suppression units (4) capable of achieving the sectionalized suppression of a demagnetizing field, where the number n is an integer equal to or greater than 2. By means of the suppression units (4) arranged in the longitudinal direction of the magnetic sensitive film (2, 21), the magnetic sensitive film (2, 21) to achieve a suppression of a demagnetizing field, so as to reduce or even eliminate the hysteresis of the magnetic sensitive film (2, 21), thus improving the sensitivity of the magnetic sensor chip.
    • 公开了一种磁传感器芯片和磁传感器。 磁传感器芯片包括一个感光膜(2,21),并且在磁敏膜(2,21)的长度方向设置有数个n个抑制单元(4),能够实现对磁化膜 磁场,其中数字n为等于或大于2的整数。通过沿着磁敏膜(2,21)的纵向布置的抑制单元(4),感光膜(2,21) 以实现对退磁场的抑制,从而减少或甚至消除磁敏膜(2,21)的滞后,从而提高磁传感器芯片的灵敏度。
    • 7. 发明授权
    • End of life control for parallel lamp ballast
    • 平行灯镇流器的寿命终止控制
    • US08947020B1
    • 2015-02-03
    • US13478583
    • 2012-05-23
    • Wei Xiong
    • Wei Xiong
    • G05F1/00H05B37/02H05B39/04H05B41/36
    • H05B41/2855
    • A light fixture includes a ballast and a plurality of lamps connected to the ballast in parallel. The ballast provides an output signal to the plurality of lamps as a function of a 1st steady state condition. When the ballast senses an end-of-life condition for a lamp of the plurality of lamps, the ballast increases the frequency of the output signal provided to the plurality of lamps until the lamp ceases to conduct current. When the lamp ceases to conduct current, the ballast decreases the frequency of the output signal to a frequency determined as a function of a 2nd steady state condition different from the 1st steady state condition. A total current of the 2nd steady state condition is proportional to a total current of the 1st steady state condition as a function of the number of lamps exhibiting an end-of-life condition.
    • 灯具包括平行连接到镇流器的镇流器和多个灯。 镇流器作为第一稳态条件的函数向多个灯提供输出信号。 当镇流器感测到多个灯的灯的寿命终止状态时,镇流器增加提供给多个灯的输出信号的频率,直到灯停止导通电流。 当灯停止导通电流时,镇流器将输出信号的频率降低到与第一稳态条件不同的第二稳态条件的函数确定的频率。 第二稳态条件的总电流与作为呈现寿命终止状态的灯的数量的函数的第一稳态条件的总电流成比例。
    • 8. 发明授权
    • Indirect line voltage conduction angle sensing for a chopper dimmed ballast
    • 间接线电压导通角检测用于斩光器调光镇流器
    • US08947015B1
    • 2015-02-03
    • US13483531
    • 2012-05-30
    • Wei Xiong
    • Wei Xiong
    • H05B37/02
    • H05B41/3924
    • A ballast includes a rectifier, DC to DC converter, a dimming sensor, and a light source driver circuit. The rectifier provides rectified power from an AC power source modified by a chopper dimmer. The converter includes a boost inductor having a primary winding and a detection winding. The converter receives the rectified power from the rectifier and provides a DC power rail. The dimming sensor monitors a voltage of the detection winding of the boost inductor and provides a dimming signal as a function of the monitored voltage. The light source driver circuit receives the dimming signal, receives the DC power rail, and provides power from the DC power rail to the light source as a function of the dimming signal. An amount of power provided to the light source by the light source driver circuit corresponds to a dimming level indicated by the dimming signal.
    • 镇流器包括整流器,DC-DC转换器,调光传感器和光源驱动电路。 整流器通过由斩波调光器修改的交流电源提供整流电源。 该转换器包括具有初级绕组和检测绕组的升压电感器。 转换器从整流器接收整流后的电源,并提供直流电源轨。 调光传感器监测升压电感的检测绕组的电压,并提供作为监测电压的函数的调光信号。 光源驱动电路接收调光信号,接收直流电源轨,并根据调光信号从直流电源轨向光源提供电力。 由光源驱动电路提供给光源的功率量对应于由调光信号指示的调光电平。
    • 9. 发明申请
    • WIND TURBINE BLADES WITH AIR PRESSURE SENSORS
    • 风力涡轮叶片与空气压力传感器
    • US20140356165A1
    • 2014-12-04
    • US14005282
    • 2011-03-14
    • Wei XiongDanian ZhangXiongzhe HuangJing WangJingyun Xia
    • Wei XiongDanian ZhangXiongzhe HuangJing WangJingyun Xia
    • F03D11/00G01L13/00F03D7/04
    • G01L13/00F03D7/042F03D17/00F05B2270/80G01M9/065
    • A wind turbine blade has a suction side shell member and a pressure side shell member. The shell members are joined along a leading and trailing edge from a root to a tip of the blade and defining an internal cavity of the blade. A pressure sensor is configured on at least one of the suction or pressure side shell members. The pressure sensor further includes a body mounted to an inner surface of the respective shell member within the internal cavity. A sensing element has a first side exposed to external air pressure through a passage in the respective shell member, and an opposite second side exposed to a reference pressure. Control circuitry within the body generates a variable output signal as a function of a pressure differential between the external air pressure and reference pressure experienced by the sensing element.
    • 风力涡轮机叶片具有吸力侧壳体构件和压力侧壳体构件。 外壳构件沿着前缘和后缘从叶片的根部连接到尖端并且限定叶片的内部空腔。 压力传感器构造在吸入侧或压力侧壳体构件中的至少一个上。 压力传感器还包括安装在内部空腔内的相应外壳构件的内表面的主体。 感测元件具有通过相应壳体构件中的通道暴露于外部空气压力的第一侧和暴露于参考压力的相对的第二侧。 体内的控制电路产生可变输出信号,作为感测元件所经受的外部空气压力和参考压力之间的压力差的函数。
    • 10. 发明申请
    • Unitary graphene material-based integrated finned heat sink
    • 单一石墨烯材料为主的集成散热片
    • US20140190676A1
    • 2014-07-10
    • US13694791
    • 2013-01-07
    • Aruna ZhamuMingchao WangWei XiongBor Z. JangLin Yi-jun
    • Aruna ZhamuMingchao WangWei XiongBor Z. JangLin Yi-jun
    • F28F21/02C09K5/14
    • F28F21/02C09K5/14F28D2021/0029F28F21/00
    • A unitary graphene-based integrated heat sink comprising a heat collection member (base) and at least one heat dissipation member (e.g. fins) integral to the baser, wherein the base is configured to be in thermal contact with a heat source, collects heat therefrom, and dissipates heat through the fins. The unitary graphene material is obtained from heat-treating a graphene oxide gel at a temperature higher than 100° C., 500° C., 1,250° C., or 2,000° C., and contains chemically bonded graphene molecules having inter-graphene distance of 0.3354-0.4 nm (preferably mm or cm), exhibiting a degree of graphitization preferably from 1% to 100% and a Mosaic spread value less than 0.7 (preferably no greater than 0.4). The finned heat sink may also be made from a filler-reinforced graphene matrix composite.
    • 一种单一的基于石墨烯的集成散热器,其包括集热部件(基座)和至少一个与所述基座一体的散热部件(例如散热片),其中所述基座构造成与热源热接触,从其收集热量 ,并通过散热片散热。 单一石墨烯材料通过在高于100℃,500℃,1250℃或2,000℃的温度下热处理石墨烯氧化物凝胶获得,并且包含化学键合的具有石墨烯烯的石墨烯分子 距离为0.3354-0.4nm(优选<0.337nm)。 单一石墨烯材料是石墨烯单晶,具有不完全晶界的多晶体或具有大晶粒尺寸(例如> mm或cm)的多晶体,其石墨化程度优选为1%至100%,并且 马赛克扩散值小于0.7(优选不大于0.4)。 带翅片的散热片也可以由填料增强的石墨烯基复合材料制成。