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1. 发明申请

US20110265562A1 NON-CONTACT LIQUID LEVEL SENSING SYSTEM FOR HOUSEHOLD ELECTRIC APPLIANCES 审中-公开
标题翻译：家用电器非接触式液位感应系统
公开(公告)号：US20110265562A1
公开(公告)日：2011-11-03
申请号：US12770761
申请日：2010-04-30
申请人： Wing Chung LI
发明人： Wing Chung LI
IPC分类号： G01F23/26
CPC分类号： G01F23/266 , A47J27/212 , A47J31/4457 , A47J2203/00 , G01F23/268
摘要： A non-contact liquid level sensing system for an electric appliance is provided. The electric appliance includes a liquid container for containing liquid. The non-contact liquid level sensing system includes a micro-controller and a plurality of sensors vertically aligned and mounted to the inside of the liquid container. The micron-controller includes a non-volatile memory for storing data. Each of the sensors includes a circuit board, a sensor pad made of a conductive material mounted on the circuit board, and a cover plate made of a dielectric material covering and being in direct contact with the sensor pad. The micro-controller is electrically connected with the sensors, and configured to measure the capacitance between the sensor pad of each sensor and a reference electric potential, and to determine a liquid level in the liquid tank based on the measured capacitance and the data stored in the non-volatile memory of the micro-controller.
摘要翻译：提供了一种用于电器的非接触液面感测系统。电器包括用于容纳液体的液体容器。非接触液面感测系统包括微型控制器和垂直对准并安装到液体容器内部的多个传感器。微型控制器包括用于存储数据的非易失性存储器。每个传感器包括电路板，由安装在电路板上的导电材料制成的传感器垫以及由覆盖并与传感器垫直接接触的电介质材料制成的盖板。微控制器与传感器电连接，并且被配置为测量每个传感器的传感器焊盘与参考电位之间的电容，并且基于测量的电容和存储的数据来确定液体箱中的液位微控制器的非易失性存储器。

2. 发明申请

US20090097351A1 Programmable Electronic Hand Mixer 有权
标题翻译：可编程电子手动搅拌机
公开(公告)号：US20090097351A1
公开(公告)日：2009-04-16
申请号：US12251464
申请日：2008-10-15
申请人： Wing Chung Li
发明人： Wing Chung Li
IPC分类号： B01F15/00
CPC分类号： A47J43/0705 , A47J43/082 , Y10S366/601
摘要： An electronic hand mixer for processing food materials is provided. The electronic hand mixer includes one or more beaters, a housing, and a drive motor mounted in the housing. The drive motor is adapted to apply rotational force to the beaters. The electronic hand mixer also includes a power control device for controlling electrical power supplied to the drive motor, a keypad for receiving instructions entered by users, a microprocessor for processing and carrying out the instructions and sending signals to the power control device, and a memory for storing the instructions. The instructions include at least one user-defined mixing course for conducting a mixing operation. The user-defined mixing course includes one or more mixing operations, and each of the mixing operations includes a user-defined running speed of the drive motor associated with a user-defined running period of time of the drive motor.
摘要翻译：提供了一种用于加工食品材料的电动手动搅拌机。电动手动搅拌器包括一个或多个搅拌器，壳体和安装在壳体中的驱动马达。驱动马达适于向冲击器施加旋转力。电子手动混合器还包括用于控制提供给驱动电动机的电力的功率控制装置，用于接收用户输入的指令的小键盘，用于处理和执行指令并向信号发送信号的微处理器以及存储器用于存储指令。说明书包括用于进行混合操作的至少一个用户定义的混合过程。用户定义的混合过程包括一个或多个混合操作，并且每个混合操作包括与驱动电动机的用户定义的运行时间段相关联的驱动电动机的用户定义的运行速度。

3. 发明申请

US20110259871A1 INTELLIGENT ELECTRIC KETTLE 有权
标题翻译：智能电动手机
公开(公告)号：US20110259871A1
公开(公告)日：2011-10-27
申请号：US12766841
申请日：2010-04-23
申请人： Wing Chung LI
发明人： Wing Chung LI
IPC分类号： H05B1/02
CPC分类号： H05B1/0269 , A47J27/21158
摘要： An intelligent electric kettle includes a heating element for heating water contained in the intelligent electric kettle, a sensor for sensing the temperature of the water, and a control unit being configured to collect data during the operation of the intelligent electric kettle. The control unit is also configured to execute a predetermined program and calculate a cut-off temperature based on the data and a predetermined target temperature. The control unit is further configured to turn off the electric power provided to the heating element when the temperature of the water sensed by the sensor is equal to or greater than the calculated cut-off temperature.
摘要翻译：智能电热水壶包括用于加热智能电热水壶内的水的加热元件，用于检测水温的传感器，以及控制单元，用于在智能电热水壶运行期间收集数据。控制单元还被配置为执行预定程序并基于数据和预定目标温度计算截止温度。控制单元进一步构造成当由传感器感测的水的温度等于或大于所计算的截止温度时，关闭提供给加热元件的电力。

4. 发明授权

US08405004B2 Intelligent electric kettle 有权
标题翻译：智能电热水壶
公开(公告)号：US08405004B2
公开(公告)日：2013-03-26
申请号：US12766841
申请日：2010-04-23
申请人： Wing Chung Li
发明人： Wing Chung Li
IPC分类号： F27D11/00
CPC分类号： H05B1/0269 , A47J27/21158
摘要： An intelligent electric kettle includes a heating element for heating water contained in the intelligent electric kettle, a sensor for sensing the temperature of the water, and a control unit being configured to collect data during the operation of the intelligent electric kettle. The control unit is also configured to execute a predetermined program and calculate a cut-off temperature based on the data and a predetermined target temperature. The control unit is further configured to turn off the electric power provided to the heating element when the temperature of the water sensed by the sensor is equal to or greater than the calculated cut-off temperature.
摘要翻译：智能电热水壶包括用于加热智能电热水壶内的水的加热元件，用于检测水温的传感器，以及控制单元，用于在智能电热水壶运行期间收集数据。控制单元还被配置为执行预定程序并基于数据和预定目标温度计算截止温度。控制单元进一步构造成当由传感器感测的水的温度等于或大于所计算的截止温度时，关闭提供给加热元件的电力。

5. 发明授权

US06660070B2 Air purifier 失效
标题翻译：空气净化器
公开(公告)号：US06660070B2
公开(公告)日：2003-12-09
申请号：US09998146
申请日：2001-11-30
申请人： Chi Cheung Chung , Stephen Wai-Kin Chan , Wing-Chung Li
发明人： Chi Cheung Chung , Stephen Wai-Kin Chan , Wing-Chung Li
IPC分类号： B01D4646
CPC分类号： B01D46/008 , B01D46/0086 , B01D46/442 , B01D46/46 , F24F11/30 , F24F11/77 , F24F2110/50 , Y10S55/34
摘要： An air purifier includes a cabinet, an electrically driven fan, a replaceable filter element, and an air quality sensor. A display provides a visual indication of the air quality condition. A microprocessor is programmed to control the speed of the fan automatically according to the air quality condition. The microprocessor also computes when the filter element must be changed by totalling the time of operation and its speed (which equals air quality) so that for example the filter element will be changed more often (used for less aggregate time) when the air purifier is operated in a poor quality environment.
摘要翻译：空气净化器包括机壳，电动风扇，可替换的过滤元件和空气质量传感器。显示器提供空气质量状况的视觉指示。微处理器被编程为根据空气质量条件自动控制风扇的速度。微处理器还计算何时必须通过总计操作时间和速度（等于空气质量）来改变过滤元件，以便例如当空气净化器为空气净化器时，过滤元件将更频繁地更换（用于较少的聚集时间）在恶劣的环境中运作。

6. 发明授权

US08179064B2 Electric motor protection system 有权
标题翻译：电动机保护系统
公开(公告)号：US08179064B2
公开(公告)日：2012-05-15
申请号：US12418624
申请日：2009-04-06
申请人： Wing Chung Li
发明人： Wing Chung Li
IPC分类号： H02P1/04
CPC分类号： H02P29/02 , A47J43/0705 , A47J43/0755 , G01D1/00 , G01D15/00 , H02H7/0822 , H02H7/0852 , H02K11/215 , H02K11/25 , H02P29/60
摘要： An electric motor protection system for protecting an electric motor of a household appliance includes a temperature sensor for sensing a temperature of the electric motor, a motor speed sensor for sensing a speed of the electric motor, a current sensing circuit for sensing an electric current supplied to the electric motor, a power control device for controlling the electrical power supplied to the electric motor, and a signal processing unit electrically connected to the temperature sensor, the motor speed sensor, the current sensing circuit, and the power control device. The signal processing unit is configured to make calculations and judgments based on the measurements of the temperature sensor, the motor speed sensor and the current sensing circuit, and a plurality of predetermined values, and to control the power control device accordingly so as to protect the motor from overheating, being overloaded, or driven by excessive current.
摘要翻译：用于保护家用电器的电动机的电动机保护系统包括用于感测电动机的温度的温度传感器，用于感测电动机的速度的电动机速度传感器，用于感测供给的电流的电流感测电路电动机，用于控制提供给电动机的电力的电力控制装置，以及与温度传感器，电动机速度传感器，电流感测电路和电力控制装置电连接的信号处理单元。信号处理单元被配置为基于温度传感器，电动机速度传感器和电流感测电路的测量以及多个预定值进行计算和判断，并且相应地控制功率控制装置，以便保护电机过热，过载或由过电流驱动。

7. 发明申请

US20100259243A1 POWER SAVING SYSTEM FOR HOUSEHOLD ELECTRIC APPLIANCE 有权
标题翻译：家用电器节能系统
公开(公告)号：US20100259243A1
公开(公告)日：2010-10-14
申请号：US12422310
申请日：2009-04-13
申请人： Wing Chung Li
发明人： Wing Chung Li
IPC分类号： H02J3/12
CPC分类号： H02J3/12 , H02J9/005 , H02J2003/143 , Y02B70/3233 , Y02B70/3266 , Y04S20/225 , Y04S20/242
摘要： A power saving system for a household electric appliance includes a signal processing unit, a step down network having an adjustable impedance for stepping down an input voltage, and an impedance control switch electrically connected with the step down network and configured for controlling the impedance of the step down network. The signal processing unit is electrically connected to impedance control switch and configured to monitor the working condition of the household electric appliance, calculate the current demanded by the household electric appliance at a next moment, and transmit a signal to the impedance control switch so as to control the impedance control switch to adjust the impedance of the step down network according to the calculation.
摘要翻译：家用电器的省电系统包括：信号处理单元，具有用于降低输入电压的可调节阻抗的降压网络;以及阻抗控制开关，其与所述降压网络电连接并被配置为控制所述阻抗降低网络。信号处理单元电连接到阻抗控制开关，并且被配置为监视家用电器的工作状态，计算下一时刻家用电器所要求的电流，并将信号发送到阻抗控制开关，以便根据计算，控制阻抗控制开关调节降压网络的阻抗。

8. 发明授权

US06382084B2 Electric toaster 失效
公开(公告)号：US06382084B2
公开(公告)日：2002-05-07
申请号：US09874812
申请日：2001-06-05
申请人： Stephen Wai-Kin Chan , Wing Chung Li
发明人： Stephen Wai-Kin Chan , Wing Chung Li
IPC分类号： A47J3708
CPC分类号： A47J37/0814 , A47J37/0842
摘要： In an otherwise well-known electric pop-up toaster, an auxiliary power switch is provided and is arranged to be opened by a timer after each toasting cycle. This ensures, in contrast to the well-known toaster arrangements, that power is interrupted to heating elements even if a carriage supporting slices of toast fails to move up at the end of a toasting cycle.

9. 发明授权

US08172451B2 Programmable electronic hand mixer 有权
标题翻译：可编程电子手动搅拌机
公开(公告)号：US08172451B2
公开(公告)日：2012-05-08
申请号：US12251464
申请日：2008-10-15
申请人： Wing Chung Li
发明人： Wing Chung Li
IPC分类号： A47J43/07
CPC分类号： A47J43/0705 , A47J43/082 , Y10S366/601
摘要： An electronic hand mixer for processing food materials is provided. The electronic hand mixer includes one or more beaters, a housing, and a drive motor mounted in the housing. The drive motor is adapted to apply rotational force to the beaters. The electronic hand mixer also includes a power control device for controlling electrical power supplied to the drive motor, a keypad for receiving instructions entered by users, a microprocessor for processing and carrying out the instructions and sending signals to the power control device, and a memory for storing the instructions. The instructions include at least one user-defined mixing course for conducting a mixing operation. The user-defined mixing course includes one or more mixing operations, and each of the mixing operations includes a user-defined running speed of the drive motor associated with a user-defined running period of time of the drive motor.
摘要翻译：提供了一种用于加工食品材料的电动手动搅拌机。电动手动搅拌器包括一个或多个搅拌器，壳体和安装在壳体中的驱动马达。驱动马达适于向冲击器施加旋转力。电子手动混合器还包括用于控制提供给驱动电动机的电力的功率控制装置，用于接收用户输入的指令的小键盘，用于处理和执行指令并向信号发送信号的微处理器以及存储器用于存储指令。说明书包括用于进行混合操作的至少一个用户定义的混合过程。用户定义的混合过程包括一个或多个混合操作，并且每个混合操作包括与驱动电动机的用户定义的运行时间段相关联的驱动电动机的用户定义的运行速度。

10. 发明授权

US08106645B2 Power saving system for household electric appliance 有权
标题翻译：家用电器节电系统
公开(公告)号：US08106645B2
公开(公告)日：2012-01-31
申请号：US12422310
申请日：2009-04-13
申请人： Wing Chung Li
发明人： Wing Chung Li
IPC分类号： H02J3/12
CPC分类号： H02J3/12 , H02J9/005 , H02J2003/143 , Y02B70/3233 , Y02B70/3266 , Y04S20/225 , Y04S20/242
摘要： A power saving system for a household electric appliance includes a signal processing unit, a step down network having an adjustable impedance for stepping down an input voltage, and an impedance control switch electrically connected with the step down network and configured for controlling the impedance of the step down network. The signal processing unit is electrically connected to impedance control switch and configured to monitor the working condition of the household electric appliance, calculate the current demanded by the household electric appliance at a next moment, and transmit a signal to the impedance control switch so as to control the impedance control switch to adjust the impedance of the step down network according to the calculation.
摘要翻译：家用电器的省电系统包括：信号处理单元，具有用于降低输入电压的可调节阻抗的降压网络;以及阻抗控制开关，其与所述降压网络电连接并被配置为控制所述阻抗降低网络。信号处理单元电连接到阻抗控制开关，并且被配置为监视家用电器的工作状态，计算下一时刻家用电器所要求的电流，并将信号发送到阻抗控制开关，以便根据计算，控制阻抗控制开关调节降压网络的阻抗。

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