Savant Technologies LLC

Consumer Lighting (u.s.), LLC

Weihu Chen

Fanbin Wang

Aijun Wang

Dong Xing

JinPeng Hu

Kun Xiao

Zhiyong Wang

Xiaojun Ren

Mathew L Sommers

Hai Huang

Abhinav Bhandari

Xin Zhou

Ruojian Zhu

Yao Fu

Pan Yao

Wenjiang Zhang

Chengbin Liu

Hong Zhao

Guangting Guo

Wanhua Han

Chunyu Guo

Huang Hai

Provided are a circuit unit for a lamp and the lamp including the circuit unit. The circuit unit for the lamp may include: a first power stage receiving a first power signal from an Alternating Current (AC) power supply, performing an Alternating Current—Direct Current (AC-DC) conversion for the first power signal to generate a second power signal and performing a dimming signal conversion for the first power signal to generate a first dimming signal, and a second power stage connected with the first power stage to receive the second power signal output from the first power stage, herein, the second power stage adjusts the second power signal based on at least the first dimming signal, in this way a third power signal is generated, and the second power stage provides a light-emitting unit of the lamp with the third power signal to drive the light-emitting unit.

Circuit unit for lamp and lamp comprising the same

The present disclosure provides a dummy load control circuit and a lighting device. The dummy load control circuit and a dummy load module are connected in parallel with a power supply input end and the dummy load control circuit includes a first switch circuit having a first switch control module so the first switch is controlled to be turned off when the power supply input end is connected to a triac dimmer, and turned on when the power supply input end is not connected to the triac dimmer, a second switch circuit having a second switch control module controlling on/off of the second switch, and a constant voltage source providing a constant voltage so the dummy load module is turned on when the first switch and the second switch are turned off, and turned off when the first switch and/or the second switch are turned on.

Dummy load control circuit and lighting device compatible with triac dimmer

The present application relates to a method and an apparatus for controlling a device, a smart home device and system and a storage medium the device may be a lighting device. The method for controlling a device comprises: receiving a data stream including data for playing audio; acquiring reference data corresponding to a device control command controlling the device to perform one or more functions; determining whether at least a portion of the data in the data stream matches the reference data; and controlling, in case at least a portion of the data in the data stream matches the reference data, the device to perform one or more of the functions according to the corresponding device control command.

Method and apparatus for controlling device, smart home device, system, and storage medium

The present application discloses an illuminating device and a method for driving the illuminating device. The illuminating device comprises: an LED illuminating module; a mains supply operation module, comprising an LED driving unit; and a ballast operation module, comprising a simulation filament unit, a first detection unit, a second detection unit, a switch unit, a first start unit and a second start unit; wherein when the illuminating device is in a mains supply operation mode, the LED driving unit is used for driving the LED illuminating module; when the illuminating device is in a magnetic ballast operation mode, the first detection unit detects a voltage signal or frequency signal of the simulation filament unit and outputs a first detection signal, and after receiving the first detection signal, the first start unit enables the switch unit to be in a conducting state and drives the LED illuminating module; and when the illuminating device is in an electronic ballast operation mode, the second detection unit detects a voltage signal or frequency signal across both ends of the illuminating device and outputs a second detection signal, and after receiving the second detection signal, the second start unit enables the switch unit to be in a conducting state and drives the LED illuminating module.

Illuminating device and method for driving illuminating device

The present application discloses a speaker lamp which comprises: a housing is formed with a cavity therein; a radiator is provided within the cavity, and divides the cavity into an upper cavity and a lower cavity; a circuit board is provided within the upper cavity and connected to the radiator, and Light Emitting Diode (LED) light sources are provided on the circuit board; a reflector has an opened upper end and an opened lower end and is hollowed so as to surround a reflector cavity, the lower end of the reflector is connected to the circuit board, and the LED light sources surround an outer side of the reflector; and a speaker is installed at the upper end of the reflector and accommodated within the reflector cavity, wherein within the reflector cavity, a space exists between the speaker and the circuit board. By means of such arrangement, the speaker lamp of the present application is capable of improving lighting efficiency, and improving sound quality.

Speaker lamp

Provided are a zero-crossing detection device and a method thereof, a no-neutral switch, a storage medium and a processor. The no-neutral switch may include a switch element, the switch element has a first end connected to a power supply and a second end connected to a load, and the zero-crossing detection device may include: a sampling module configured to sample a first signal of the first end of the switch element and a second signal of the second end of the switch element; a comparison module configured to compare a deviation of the first signal and the second signal with a preset threshold; and a computing module configured to compute a zero-crossing point of the power supply according to a comparison result of the comparison module and the preset threshold.

Zero-crossing detection device and method thereof and no-neutral switch

The present disclosure relates to PWM dimming circuit with low stand-by power. A lighting apparatus driver is provided, comprising: a power supplier to supply power to a lighting load; and a discrete PWM dimming circuit, the PWM dimming circuit is to receive PWM signal, and to control the switching of the power supplier based on the PWM signal, wherein the power supplier is capable of being turned off by the PWM dimming circuit.

PWM dimming circuit with low stand-by power

The present invention relates to a power fetching system for a no neutral switch and a control method thereof, and a no neutral switch, wherein the power fetching system is connected to an electrical device and a wireless controller, and the wireless controller controls a switch module for changing an operating state of the electrical device. The power fetching system includes: a power fetching module, connected between a power source and the wireless controller, the power source supplying power to the wireless controller and the electrical device, where the power fetching module is configured to obtain power from the power source and supply the obtained power to the wireless controller during energization of the electrical device; and a control module, connected to the power fetching module, and configured to detect power consumption of the wireless controller and provide a control signal to the power fetching module according to a change in power consumption of the wireless controller to adjust the power obtained by the power fetching module from the power source.

Power fetching system for no neutral switch and control method thereof, no neutral switch

The present invention relates to a dummy load circuit for a single live wire switch. This includes: a switch circuit&#x2014;at least a first resistor and a switch are connected in the switch circuit, wherein the first resistor is connected to the switch, such that the first resistor is connected to the dummy load circuit through the switch; and a switch control circuit&#x2014;the switch control circuit at least includes a switch control device, wherein the switch control device is connected to the switch to facilitate power-on/off control. The invention also relates to an electrical load with a dummy load circuit.

Dummy load circuit and electrical load for single live wire switch

The present invention provides a lamp, comprising a lamp shell, which comprises a base configured to connect an external power supply and a heat dissipation module coupled to the base, wherein an interior chamber is defined within the lamp shell; a light source; and a driver module coupled to the light source, with at least part of the driver module located within the interior chamber, the driver module is configured to regulate current provided to the light source. The lamp shell comprises a mounting module configured to receive a mounting part of the driver module to fasten the driver module to the lamp shell, the driver module and the heat dissipation module of the lamp shell are electrically connected.

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Shanghai, China

Weihu Chen