Abstract: A light-emitting fan includes a frame, a vane, at least one flexible circuit structures, and a plurality of light-emitting elements. The van is pivotally provided on the frame. The van has a hub and a plurality of blades connected to the hub. The flexible circuit structure is circumferentially provided on the frame. The light-emitting elements are provided on the flexible circuit structure to emit light respectively. With the above arrangement, the light-emitting elements can be combined with the frame easily via the flexible circuit structure.

Abstract: A heat dissipating fan structure of a dual motor includes: a base device, having a fan base, and the fan base having a fan motor; a fan, connected and rotated by the fan motor, and the fan having a plurality of vanes; a support frame device, installed at the fan base, and having a frame-fan motor; a frame-fan device, connected and rotated by the frame-fan motor, and having a frame-fan frame, and a plurality wing plates disposed around the frame-fan frame, and the wing plates being disposed around the external periphery of the fan and perpendicular to the vane, so that the plurality wing plates on the frame-fan base can produce an auxiliary airflow to increase the airflow of the fan and give a better heat dissipating effect.

Abstract: A heat dissipating fan structure of a dual motor includes: a base device, having a fan base, and the fan base having a fan motor; a fan, connected and rotated by the fan motor, and the fan having a plurality of vanes; a support frame device, installed at the fan base, and having a frame-fan motor; a frame-fan device, connected and rotated by the frame-fan motor, and having a frame-fan frame, and a plurality wing plates disposed around the frame-fan frame, and the wing plates being disposed around the external periphery of the fan and perpendicular to the vane, so that the plurality wing plates on the frame-fan base can produce an auxiliary airflow to increase the airflow of the fan and give a better heat dissipating effect.

Abstract: A DC power output insert connector assembly of a power supply includes: a fixed base; insert connectors coupled with the fixed base, each including terminal slots; and conducting plates, each including at least one conducting terminal and a connecting terminal extended from an end of the conducting terminal, and the conducting plate is coupled with the fixed base and the insert connector, such that the conducting terminal is installed into the terminal slot and the connecting terminal is exposed from the fixed base. With the assembly of the fixed base and the insert connectors, and the conducting plate, the DC power output insert connector can be manufactured easily, and the manufacturing time and cost can be lowered. The invention also waives the soldering operation to comply with the environmental protection requirements, so as to lower the manufacturing and assembling costs and improve the competitiveness of the product.

Abstract: A modular circuit board structure for a large current area includes a circuit board having an electric conducting circuit and at least one large current area, and a conducting plate device having conducting plates installed onto the circuit board according to the shape of the large current area. When electronic components are inserted onto the circuit board by a surface mount technology, the conducting plates are attached onto the large current area to form a solder area portion on the conducting plates for allowing a large current to pass through, so as to provide a flexible combination function for the large current area of the circuit board and simplify the stamping molds of different shapes. The invention can avoid a waste of copper plates, assure the reliability, quality and safety of the circuit board, and enhance the cost effectiveness of the manufacture and the competitiveness of the product.

Abstract: The present invention discloses a high-efficiency power supply device and its control method. The power supply device includes a power conversion circuit and a load balance detection circuit. The power conversion circuit is connected to at least one set of switch module through an electric circuit, a resistor connected in parallel with the switch module, and a power output load terminal for driving a load. The load balance detection circuit is connected to the power conversion circuit and the switch module, such that the load balance detection circuit can detect whether or not a load driven by one or more sets of power output load terminals is balanced. If the driven load is not balanced, then the one or more sets of resistor will be in a closed circuit status to achieve a load balance.

Abstract: In a control circuit and a method for improving the efficiency of a lower load of a power supply device, the power supply device includes power stages, for inputting an input power to the power supply device and producing an output power to drive a load; a control circuit electrically coupled to the power stages for detecting a drive load and issuing a control signal for turning on/off one of the power stages. The control method includes: setting a predetermined output load value by a control circuit; detecting a total output load of the power stages by the control circuit; comparing the total output load with the predetermined output load value; and turning on/off one of the power stages by the control circuit according to a comparison result. The invention reduces the loss of power stages at a low load to enhance the power saving effect and the economic efficiency.

Abstract: A main power off-delay device for a power supply of a computer system is described, which comprises a control device connected to the outer power supply or disposed on a circuit board of a computer system host. Using the switch electrically coupled to a circuit of said control device and the transmitted signals, main power and standing power are continuously supplied by the power supply when the computer operational system is turned off.

Abstract: A heat-dissipating structure having an external fan includes a casing, a connecting piece and a heat-dissipating fan. The casing is provided with a plurality of heat-dissipating holes. The connecting piece is provided outside the casing. The heat-dissipating fan is assembled on the connecting piece to correspond to the positions of the heat-dissipating holes. An accommodating space is formed between the heat-dissipating fan and the casing. Via this arrangement, the heat-dissipating fan can be provided outside the casing to cooperate with the heat-dissipating holes, thereby dissipating the heat within the casing quickly.

Abstract: A motor control apparatus includes a fan motor, a hall IC, a first power generator, and a second power generator. The hall IC is coupled with the fan motor for detecting the status of the fan motor, such as rotating or stationary. The first power generator is connected with the hall IC for outputting a first voltage to the hall IC to supply the required power for the hall IC. The second power generator is connected with the fan motor for outputting a second voltage to the fan motor to control the rotation speed of the fan motor.

Abstract: A fan fastening structure for a computer housing includes a computer housing, an air-guiding mask, and a cooling fan. The computer housing has a front board and a backboard. An opening is located outside of the backboard that links into the interior of the computer housing. One front end of the air-guiding mask is located at the opening of the backboard, and the rear end is installed with the cooling fan. One front end of the air-guiding mask forms an air inlet, and the rear end forms an air outlet. There is a channel that links the air inlet with the air outlet. The cooling fan has an air-entering surface and an air-exhausting surface. The air-entering surface corresponds to the air outlet. By cooperating with the air-guiding mask and the cooling fan, heat is exhausted to the outside of the computer housing quietly, rapidly, and efficiently. Costs are thereby reduced.

Abstract: A cooling structure for a power supply is disclosed. The power supply has a housing. The cooling structure includes a cooling fan and a cooler. The cooling fan is located on the inner side of the top surface of the housing. The cooler is located below the cooling fan. The cooler includes a vertical board and a plurality of cooling fins. The cooling fins are disposed slantwise on the vertical board and at intervals. There is a plurality of air-guiding channels between the cooling fins. Thereby, the airflow of the cooling fan can be guided forward to a specified direction. The hot air circulating flow will not occur. The cooling fan blows onto the electronic elements on the circuit board to exhaust the heat generated by the electronic elements, and noise generated from the cooling fans is lowered.

Abstract: A power supply socket device includes a circuit board and sockets. Each socket is a rectangular base, and the sockets are arranged linearly on the circuit board and have insert holes in the sockets. The insert holes are arranged in rows and columns with at least one row, and each row includes linearly arranged insert holes, and the number of insert holes in any row of each socket is greater than the number of insert holes of any column of each socket, such that the socket has a short socket side and a long socket side, and a latch lump is protruded from an appropriate position of the short socket side. The invention provides a quick, simple and convenient way of connecting a power supply and achieves the effects of simplifying the circuit board and improving the economic benefit of the manufacture and assembling and the competitiveness of the product.

Abstract: The present invention discloses a power supply structure with an air guide effect, and the structure includes a casing for containing a power supply, and any surface of the casing has at least one opening, and the periphery of the opening includes an inwardly inclined fillet surface, and the surface of the opening that faces the power supply is installed with a bare fan without a frame. The invention not only reduces the overall volume of the power supply and lowers the production cost, but also increases the air intake angle through the guidance of the fillet surface, and allows outside cold air to enter into the casing successfully and increases the airflow entering the casing, so as to enhance the heat dissipating effect.

Abstract: The present invention relates to a computer device, allowing different direct current output power sources from the computer power supplies to be connected to a computer panel, housing or hard disk rack so as to provide or make use of power for external computer peripherals.

Abstract: Disclosed is a rotational speed adjustment device or switch that is provided in a corner screw hole at a front or back of a heat dissipating fan frame, the rotational speed adjustment device or switch being electrically connected to a power source of the fan by means of a power cord or other conductive metals, the adjustment device or switch being extended with a knob that is individually exposed out of the fan frame, the heat dissipating fan may be installed in any space that requires heat dissipation or to an outer periphery of a unit casing, to allow a user to adjust rotational speed of the heat dissipating fan at one's desire at any time.