Abstract: The present disclosure discloses a charging device, which comprises an energy storage module, an output interface, a detection unit, a switch module, a control module, and a capacitor. The output interface is configured to be electrically coupled to a load. The detection unit detects electrical parameters of the load and the energy storage module. The switch module is electrically coupled between the energy storage module and the output interface. When the load is electrically coupled to the output interface, the control module turns on the switch module based on the electrical parameters of the load and the energy storage module, to switch on an electrical connection between the energy storage module and the output interface. The capacitor is configured to keep the switch module in an on state steadily when the control module turns on the switch module. The present disclosure also discloses an emergency starting method.

Abstract: A hair dryer system includes a hair dryer and a rechargeable socket for charging the hair dryer. The hair dryer defines a plurality of air inlet holes. The rechargeable socket includes a pedestal defining a receiving space and a rechargeable assembly. A top of the pedestal is recessed to form a plug-in part defining a plug-in space. The plug-in part defines a plurality of air holes. The pedestal defines a plurality of air grooves in air communication with an outside of the pedestal. When the hair dryer is charged by the rechargeable assembly, the plurality of air inlet holes are in air communication with the plurality of air holes and the plurality of air grooves. Such that the hair dryers can be used while charging, which is convenient to use.

Abstract: The present disclosure discloses an electric tool power supply detachably installed on an electric tool, the electric tool power supply. The electric tool power supply comprises a power supply component, a first output interface, and a second output interface. The power supply component is configured to store and provide electrical energy. The first output interface is electrically coupled to the power supply component. The power supply component is configured to provide operating voltage for the electric tool through the first output interface. The second output interface is electrically coupled to the power supply component. The second output interface is further configured to electrically coupled to a starter of a vehicle. The power supply component is configured to output instantaneous large-current to the starter through the second output interface to start the vehicle.

Abstract: The present disclosure provides a blow dryer. The blow dryer includes an air duct and a handle coupled to the air duct. The air duct arranges an air outlet channel and an air outlet in air communication with the air outlet channel. The air duct is provided with an air guiding element at a front end of the air outlet channel. The air guiding element is configured to guide airflow in the air outlet channel to an inside wall of the air outlet channel, so that the airflow is concentrated and discharged from the air duct through the air outlet, thus increasing the strength of the wind pressure provided by the blow dryer.

Abstract: An NMOS switch driving circuit and a power supply device are provided. The NMOS switch driving circuit includes a power-supply unit, a switch unit, a power conversion unit, and a driving unit. The power-supply unit is configured to output a first voltage. The switch unit is electrically coupled between the power-supply unit and a first interface and configured to establish or disconnect an electrical coupling between the power-supply unit and the first interface. The power conversion unit includes a port coupled to the power-supply unit and another port electrically coupled to the switch unit via the driving unit. The power conversion unit is configured to convert the first voltage into a constant driving voltage and output the driving voltage to the switch unit via the driving unit to drive the switch unit to be switched on, to establish the electrical coupling between the power-supply unit and the first interface.

Abstract: A wireless blow dryer includes an air duct, a handle, and an energy storage assembly. The air duct is provided with the air outlet channel. The handle comprises a connecting end connected to the air duct and a free end opposite to the connecting end; an outer surface of the free end of the handle is provided with an air inlet along a circumferential direction of the handle. The handle is provided with the air inlet channel in air communication with the air inlet and the air outlet channel. The energy storage assembly includes an energy storage module arranged in the air duct and a charging connector electrically connected with the energy storage module. The charging connector is arranged at the free end of the handle.

Abstract: An intelligent control system, an emergency starting power supply, and an intelligent battery clip are provided. The intelligent control system a microcontroller unit (MCU), a load-detection module, a switch-control module, an emergency starting power supply, a load, and a power-supply output port. The power-supply output port is electrically coupled with the load. The switch-control module includes a first terminal coupled with an internal battery pack of the emergency starting power supply, a second terminal electrically coupled with the load via the power-supply output port, and a control terminal configured to receive a control signal from the MCU. The load-detection module is configured to detect a state of the load and includes a non-isolated member. The MCU is configured to control, according to the state of the load, the switch-control module to be in a switched-on state or a switched-off state.

Abstract: The present disclosure discloses a charging device, which comprises an energy storage module, an output interface, a switch module and a control module. The energy storage module is configured to store and provide electrical energy. The output interface is configured to be electrically coupled to a load, wherein the energy storage module is configured to output electrical energy to the load through a discharge circuit. The output interface is electrically coupled in the discharge circuit. The switch module is electrically coupled in the discharge circuit. The control module is configured to detect a current of the discharge circuit, and turn off the switch module when the current of the discharge circuit is greater than a preset current, to switch off an electrical connection between the energy storage module and the output interface.

Abstract: This present disclosure discloses an ignition overcurrent protection device, which includes a switch, a current detection circuit, and a controller. The switch is electrically coupled between a starting power and a power-on connector; the power-on connector is configured for connecting to the automotive power. The current detection circuit is configured for detecting a current value flowing between the starting power and the power-on connector. The controller is coupled to the switch and the current detection circuit. The controller is configured to determine a current range where the current value is located, and determine a preset time threshold corresponding to the current range, and control the switch to be turned off when a duration of the current value reaches the preset time threshold. The present disclosure also provides a starting power equipment and ignition overcurrent protection.