Abstract: Smart LED lighting systems and monitoring methods thereof are provided. An exemplary system includes a smart LED lighting device, and a smart terminal configured to communicate with the smart LED lighting device. The smart LED lighting device includes a microphone module, a voice recognition module, and a wireless communication module sequentially connected in series. The microphone module collects audio signals from surroundings and transmits the audio signals to the voice recognition module, such that the voice recognition module sends the audio signals to the smart terminal via the wireless communication module directly, or voice-recognizes the audio signal using an internal audio recognition software program to generate a notification message to send to the smart terminal via the wireless communication module. In this manner, voices can be collected, recognized, and transmitted to a smart terminal to enable simultaneous indoor lighting and smart monitoring.

Abstract: A light-emitting diode (LED) smart control circuit and the related LED lighting device are provided. The LED smart control circuit includes a microprocessor, a bridge rectifier, a transformer circuit, a power grid detection unit, a voltage detection unit, a battery charging controller, a first sampling circuit, a second sampling circuit, a constant current controller, and an external rechargeable battery. The LED smart control circuit is configured for controlling LED light source components to emit light. An LED lighting device includes the LED light source components, a smart control circuit board, a rechargeable battery, a shell, and a lamp head. The smart control circuit board is integrated with the disclosed LED smart control circuit.

Abstract: A wireless speaker system is provided. The system includes at least one main light emitting diode (LED) lighting device including a Bluetooth module and a wireless audio module. The system also includes at least one auxiliary LED lighting device including a wireless audio module. Further, the system includes a smart terminal configured to send data to the main LED lighting device through a Bluetooth protocol. The wireless audio module in the main LED lighting device transmits the data to the auxiliary LED lighting device. The auxiliary LED lighting device sends feedback data to the smart terminal through the main LED lighting device.

Abstract: Embodiments consistent with the present disclosure provide an electrical circuit and a method for measuring the power and power consumption of an LED lighting device in real time. The circuit includes a controlling unit configured to process data; a display unit configured to display data received from the controlling unit and other components; a power supply and driving unit configured to supply power; an LED light source; and a RF unit configured to send data to remote terminals. The electrical circuit further includes an input power sampling unit, an output voltage sampling unit, and an output current sampling unit, which are configured to capture the real time input voltage, output voltage, and output current data respectively. Further, the controlling unit may determine the power and power consumption of the LED lighting device by using the received real time voltage and current data measurements, and referring to the stored input voltage-efficiency curves.

Abstract: The present disclosure provides a light-emitting diode (LED) driving device, including a control unit and a power unit integrated on a packaging substrate to form an integrated circuit (IC). The control unit is electrically connected to the power unit for controlling the power unit to convert an AC current to a DC current for an LED load to emit light. The control unit is configured to generate a control signal with a lowest working frequency higher than 250 KHz.

Abstract: Methods and systems for multiple Wireless Fidelity (Wi-Fi) devices automatically connecting to a specified access point (AP) are provided. The method includes defining an encryption field in a beacon frame. The encryption field contains connection information of the specified AP defined by a vendor and each of the multiple Wi-Fi devices is from the same vendor. The method also includes assigning respectively a key that decrypts the connection information of the specified AP contained in the encryption field to each Wi-Fi device, and broadcasting the connection information of the specified AP contained in the encryption field of the beacon frame by any AP containing the encryption field. Further, the method includes decrypting the connection information of the specified AP contained in the encryption field of the beacon frame by the multiple Wi-Fi devices having the key, such that the multiple Wi-Fi devices are connected to the specified AP.

Abstract: A parking management system is provided. The system includes a plurality of first parking management apparatuses configured to detect whether parking spaces are occupied and to adjust a brightness level of lights based on occupancy information of the parking spaces. The system also includes at least one second parking management apparatus configured to detect whether a vehicle passes through one of an entrance and an exit of a parking facility and perform corresponding operations based on a detection result. Further, the system includes a server, where the first parking management apparatuses are cascaded through a first Bluetooth module.

Abstract: The present invention provides an LED lighting device and an LED lighting control system. The LED lighting device includes an LED lighting unit configured to emit light; an LED driving circuit configured to drive the LED lighting unit, the LED driving circuit being connected to the LED lighting unit; an infrared module configured to send infrared signals to an appliance; and a Wi-Fi module configured to receive and send data. The Wi-Fi module is connected to the infrared module, and sends received data to the infrared module. Embodiments consistent with the present disclosure provide integrated control of lighting and appliances.

Abstract: The present invention relates to furniture panels, and more particularly, to a method for preparing functional engineered wood. It includes the following steps: make veneer blanks by rotary cutting or splicing, and cut the veneer blanks into desired dimensions to obtain veneers A. Soak the veneers A in a ternary mixed solution of a biomass nanocellulose solubilizer, a fire retardant and an acid dye for toughening, fire retardation and dyeing to obtain veneers B. Add a formaldehyde decomposing powder into a modified MUF adhesive, mix them up, coat the veneers B with the mixture to obtain veneers C. Assemble and cold-press the veneers C to obtain flitches D, and saw the flitches D into desired patterns and dimensions to obtain finished products.

Abstract: The present disclosure provides a lighting device including a lighting controller, an LED lamp, and a brightness controlling module. The lighting controller is configured for sending first control signals to the LED lamp and the brightness controlling module. The first control signals include an identity of the LED lamp and instruction information for turning on and off the LED lamp. The brightness controlling module is configured for receiving the first control signals sent by the lighting controller and obtaining a previously-stored telegraph code corresponding to the identity of the LED lamp when successively receiving the first control signals instructing to turn on, off, and on the LED lamp within a predetermined time period. The brightness controlling module is configured to adjust a brightness of the LED lamp according to the telegraph code and send out the telegraph code in a manner by changing the brightness of the LED lamp.

Abstract: The present disclosure provides a dimming circuit for SCR dimmer (silicon-controlled rectifier) circuit. The dimming circuit includes a signal conversion circuit for converting an input signal to a sine-wave voltage signal and output the sine-wave voltage signal to a current sampling end of a power factor correction circuit. The dimming circuit also includes the power factor correction circuit to receive the sine-wave voltage signal for correcting power factor. A biasing current is generated according to the input signal and is positively correlated to the input signal, and a sine-wave current signal corresponding to the sine-wave voltage signal is a sum of the biasing current and a primary current of a transformer in the power factor correction circuit.

Abstract: An intelligent lighting control system is provided. The system includes at least one smart lighting device, including a control module, a lighting module, a microphone module and a wireless communication module, where the control module is connected to the lighting module, the microphone module, and the wireless communication module, respectively; the microphone module is configured to receive a voice instruction from a user and send the voice instruction to the control module; and the control module is configured to convert the voice instruction to a voice data signal. The system also includes a cloud server configured to perform voice recognition analysis on the voice data signal, convert the voice data signal to a control signal, and send the control signal to at least one smart home device. Further, the system includes the at least one smart home device configured to receive the control signal and perform a corresponding function.

Abstract: The present disclosure provides a silicon-controlled silicon (SCR) current-protection circuit. The SCR circuit includes an SCR detection circuit and a protection circuit, a first terminal of the SCR detection circuit being connected to a current sampling point on an output terminal of an SCR device, a second terminal of the SCR detection circuit being connected to a power conversion circuit, a third terminal of the SCR detection circuit being connected to a first terminal of the protection circuit, and a second terminal of the protection being connected to the power conversion circuit. When the SCR device is connected to the SCR current-protection circuit, the SCR detection circuit is configured to detect a current flowing through the current sampling point, convert the current to a voltage, and output the voltage to the protection circuit. The protection circuit is further configured to control on and off states of the power conversion circuit based on the voltage.

Abstract: The present disclosure provides a first LED lighting device. The first LED lighting device includes a lighting source, a first detecting module, a first processing module, a first wireless communication module for communicating with a wireless router in an LED lighting device-based wireless mesh network, and a second wireless communication module for communicating with at least one second lighting device in the LED lighting device-based wireless mesh network. The first detecting module receives a detection request sent by the second wireless communication module and detects a signal strength of the wireless router based on the detection request. The first processing module sends a start signal to the first wireless communication module. The first wireless communication module receives the start signal, forms a connection with the wireless router based on the start signal, and sends an LED network-forming request to the second wireless communication module.

Abstract: Antenna-containing LED lighting devices, systems and configuring methods are provided. An exemplary LED lighting device includes an LED light source component unit and an LED driving circuit and power supply unit configured to drive the LED light source component unit and to power the LED lighting device. The LED lighting device further includes a heat sink, an RF antenna, and an RF circuit. The RF antenna is configured to have an antenna top plane containing a highest point of the RF antenna coplanar with or lower than a heat sink top plane containing a highest point of the heat sink. The RF antenna is configured without affecting a light-emitting path from the LED light source component unit.

Abstract: The present disclosure provides a smart lighting device, and a smart lighting control system and method. The smart lighting device includes a human detection module, a control module, and a microphone module. The microphone module has operation modes including a sleep mode and a monitor mode. The human detection module detects whether a human appears in a surrounding area of the smart lighting device in real-time, and sends a detection signal to the control module when a human appearance is detected. The control module receives and sends the detection signal to the microphone module to switch from a sleep mode to a monitor mode. When receiving a control signal from the control module, the microphone module switches to the monitor mode and collects audio signals in the surrounding area of the smart lighting device. The smart lighting device further includes a wireless communication module for wireless communication.