Abstract: A magnetically attracted fan set comprises N+1 fans, the N?1, and each of the N+1 fans has a fan frame and an airflow generating component disposed on the fan frame. Any two adjacent fans of the N+1 fans respectively have a joint surface, each of the joint surfaces has at least one fixing member capable of forming magnetic attraction, when the joint surface is close to the other joint surface at a distance sufficient for the two fixing members on the two joint surfaces to form magnetic attraction, two of the N+1 fans are joined together. Accordingly, the invention is capable of directly and quickly joining the N+1 fans without requiring complicated assembly gestures or other external components.

Abstract: A switching power supply architecture comprises a power factor correction circuit adjusting an output for a post-stage circuit based on an output of the overall architecture; a resonant conversion circuit comparing its own output voltage with a comparison voltage value; and a wide input range step-down circuit disposed in sequence. When the comparison voltage value is greater than its own output voltage, an operating frequency of the resonant conversion circuit is the same as a resonant frequency. When the comparison voltage value is less than its own output voltage, an operating frequency of the resonant conversion circuit is greater than the resonant frequency, and the resonant conversion circuit is driven in a burst mode. Heat generated by operation of the switching power supply architecture is not concentrated in the power factor correction circuit and the resonant conversion circuit, but is dispersed and generated in associated circuits.

Abstract: A partially luminous fan blade and fan containing same. The fan blade includes a light guide bracket, an annular sleeve, and a plurality of blades. The light guide bracket is formed with a shaft connection portion. The annular sleeve is integrated with the blades. The annular sleeve and the light guide bracket together form a hub portion of the fan blade. The annular sleeve is connected to the light guide bracket. The annular sleeve is provided with a light-shielding skirt. A bottom edge of the light-shielding skirt is lower than that of the light guide bracket.

Abstract: The invention provides a power supply including at least one power output port, at least one status alert component, and at least one output port status monitoring module. The status alert component generates at least one visual prompt based on an alert signal. The output port status monitoring module includes at least one temperature sensor adjacent to the power output port, a microcontroller connected to the temperature sensor and sensing an output current from the power output port, and a reset signal generator connected to the microcontroller. The microcontroller comprises at least one port status alert condition that takes a temperature and the output current of the power output port as decision factors. The microcontroller outputs the alert signal to the status alert component when the port status alert condition is met and maintains the status until a reset signal provided by the reset signal generator is received.

Abstract: A magnetically attracted fan set comprises N+1 fans, the N?1, and each of the N+1 fans has a fan frame and an airflow generating component disposed on the fan frame. Any two adjacent fans of the N+1 fans respectively have a joint surface, each of the joint surfaces has at least one fixing member capable of forming magnetic attraction, when the joint surface is close to the other joint surface at a distance sufficient for the two fixing members on the two joint surfaces to form magnetic attraction, two of the N+1 fans are joined together. Accordingly, the invention is capable of directly and quickly joining the N+1 fans without requiring complicated assembly gestures or other external components.

Abstract: A partially luminous fan blade and fan containing same. The fan blade includes a light guide bracket, an annular sleeve, and a plurality of blades. The light guide bracket is formed with a shaft connection portion. The annular sleeve is integrated with the blades. The annular sleeve and the light guide bracket together form a hub portion of the fan blade. The annular sleeve is connected to the light guide bracket. The annular sleeve is provided with a light-shielding skirt. A bottom edge of the light-shielding skirt is lower than that of the light guide bracket.

Abstract: A compound control circuit comprises an input end, a light-load signal processing circuit, a slow response circuit and a fast response circuit. The compound control circuit is mainly used as an additional circuit of a work control chip, so that although the work control chip only has a single overcurrent protection level, a compound function control of fast and slow speed, high and low level current protection and light-load signal stabilization can be generated through the compound control circuit, so as to meet the complex application environment and compatible requirements of the current power supply.

Abstract: The invention provides an output structure for a power supply, comprising a working circuit board, an output circuit board, a plurality of output connectors, a plurality of heat dissipation plates and a plurality of thermistors. The output circuit board is electrically connected with the working circuit board and is provided with at least one temperature sensing circuit, the plurality of output connectors is arranged on the output circuit board, the plurality of heat dissipation plates is arranged on the output circuit board and close to the output connectors, the plurality of heat dissipation plates senses heat of the output circuit board and at least one of the output connectors at the same time, the plurality of thermistors is arranged corresponding to the plurality of heat dissipation plates one to one and is connected with the at least one temperature sensing circuit.

Abstract: A control module of a power calibration circuit comprises a control unit, a main voltage feedback unit and an auxiliary voltage feedback unit, the control unit is connected to at least one power switch, the main voltage feedback unit is connected to an output terminal of the power calibration circuit and the control unit, the auxiliary voltage feedback unit is connected to the output terminal and the control unit, the auxiliary voltage feedback unit comprises a voltage dividing circuit connected to the output terminal and having at least one voltage dividing node, and a voltage limiting circuit connected to the voltage dividing node and the control unit, the voltage limiting circuit has a first state when a voltage of the voltage dividing node is not higher than a reference voltage, and a second state when a voltage of the voltage dividing node is higher than the reference voltage.

Abstract: The invention provides a photoelectric energy conversion device applied to a power conversion circuit to replace a magnetic component which is widely used in a power conversion circuit. The photoelectric energy conversion device includes a shell, at least one light generator, and at least one photovoltaic generator, wherein the at least one light generator and the at least one photovoltaic generator are packaged in the shell. The at least one photovoltaic generator receives light generated in the shell by the at least one light generator and generates electric energy based on the light, and the at least one photovoltaic generator serves as a power supply source for a back-end circuit of the photoelectric energy conversion device.

Abstract: A fan driving circuit with temperature compensation comprises a power input end, a power output end connected with a fan motor, a first transistor arranged between the power input end and the power output end, a signal adjuster connected with the first transistor and connected with a signal generating circuit, a second transistor connected with the signal adjuster, and a feedback unit. The feedback unit comprises a first resistor and a second resistor connected in series, and a compensation bypass connected in parallel with the first resistor or the second resistor, wherein the compensation bypass comprises a thermistor, a resistance of the thermistor changes along with the temperature and changes a magnitude of a feedback current which is provided to the second transistor, so as to compensate a change of a common emitter current gain in the second transistor generated by the temperature.

Abstract: A fan control circuit for controlling at least one fan of a power supply device includes a load sensing unit, a temperature sensing unit, a control unit connected to the load sensing unit, the temperature sensing unit and the fan, and a mode switching unit. The load sensing unit generates a load signal according to an output condition of the power supply device. The temperature sensing unit senses the temperature in the power supply device and generates a temperature signal. The control unit comprises a low-speed operating mode for controlling the fan according to the load signal, a mute mode for controlling the fan according to the temperature signal, and a full-speed operating mode for controlling the fan to run in a rated rotational speed. The mode switching unit controls the control unit to adjust the rotational speed of the fan by one of the three modes.

Abstract: A full-bridge resonant conversion circuit comprises a full-bridge rectification unit, a resonant unit, a first transformer, a second transformer and a synchronous rectification unit, wherein the full-bridge rectification unit comprises a first connection end and a second connection end, the resonant unit comprises a first resonant inductor, a resonant capacitor and a second resonant inductor, the resonant capacitor is connected in series with the first resonant inductor or the second resonant inductor. The first transformer comprises a first primary winding connected in series with the first resonant inductor, and a first secondary winding. Also, the second transformer comprises a second primary winding connected in series with the first primary winding and connected with the second resonant inductor, and a second secondary winding connected in parallel with the first secondary winding, and the synchronous rectification unit is connected with the first secondary winding and the second secondary winding.

Abstract: The present invention provides a fan speed control method for avoiding inaccurate control caused by sudden changes in a power supply output state, including the steps of: acquiring an output current value of a power supply device; and then, determining a change of the output current value in a sampling timeframe, if a slope representing the change is positive, controlling the control signal generating unit to gradually replace the fan control signal currently output to the fan with another fan control signal on the basis of a first latency, and if the slope representing the change is negative, controlling the control signal generating unit to gradually replace the fan control signal currently output to the fan with another fan control signal on the basis of a second latency. The first latency and the second latency are determined by the output current value, respectively.

Abstract: The invention provides a power supply structure of a desktop computer, a mainboard to which the desktop computer belongs comprises a mainboard power input port. The power supply structure comprises a cabinet, a power supply device, a power adapting device and a mainboard power supply line. The cabinet comprises a cabinet inner space and a bearing plate. The cabinet inner space is divided into a mainboard mounting side provided for the mainboard to be disposed thereon and a back side. The bearing plate comprises a first through hole. The power adapting device is disposed in the cabinet and located at the back side. The power adapting device comprises a power source input port and a mainboard power supply port penetrating through the first through hole. The mainboard power supply line is connected with the mainboard power supply port and the mainboard power input port.

Abstract: A correction control module for a power factor correction circuit comprises a current sampling unit, an adjustment unit and a control unit. The current sampling unit generates a sampling current based on the operation of a power factor correction circuit. The adjustment unit is connected to the current sampling unit and receives the sampling current. The adjustment unit is composed of a fixed resistance branch and a variable resistance branch connected in parallel with the fixed resistance branch, and the variable resistance and fixed resistance branches receive the sampling current to generate a node voltage. The control unit controls a resistance of the variable resistance branch based on an input voltage and an output voltage of the power factor correction circuit. Thus, an equivalent resistance of the variable resistance branch and the fixed resistance branch is changed according to an operating state of the power factor correction circuit.

Abstract: The present invention provides an ATX specification power supply comprising redundant power supply architecture. A casing where the ATX specification power supply is located includes an ATX specification housing and a frame provided in the ATX specification housing. The frame is defined with a plurality of power module assembly regions and a modulation module assembly region in the ATX specification housing. The power module assembly regions are for a plurality of power modules to be provided therein, and the modulation module assembly region is for a power modulation module to be provided therein. The plurality of power modules and the power modulation module are further connected to a power integration backplate provided in the ATX specification housing, enabling the ATX specification power supply to construct redundant power supply architecture.