Abstract: The present disclosure relates to a power module and a manufacturing method thereof. The power module includes: a group of switch elements, a molding part and a connector. The group of switch elements includes at least one pair of switch elements. The molding part molds the group of switch elements. The connector includes a signal terminal and a power terminal respectively electrically connected to the signal end and power end of the group of switch elements, and both fanned out from the molding part. The power terminal includes a positive power terminal, a negative power terminal and an output power terminal. The positive power terminal and the negative power terminal are respectively a first metal layer and a second metal layer which are at least partially stacked, and an insulating layer is disposed between the first metal layer and the second metal layer.

Abstract: The present disclosure provides an assembly structure for providing power for a chip and an electronic device using the same. The assembly structure includes: a circuit board, configured to provide a first electrical energy; a chip; a power converting module, configured to electrically connect the circuit board and the chip, convert the first electrical energy to a second electrical energy, and supply the second electrical energy to the chip, wherein the chip, the circuit board and the power converting module are stacked; and a connection component, configured to electrically connect the circuit board and the power converting module. The present disclosure assembles a power converting module with a circuit board and a chip in a stacking manner, which may shorten a current path between the power converting module and the chip, reduce current transmission losses, improve efficiency of a system, reduce space occupancy and save system resource.

Abstract: A package structure is provided. The package structure includes a substrate, a plurality of active components, a plurality of separated metal parts and an encapsulation material. The substrate has a first surface and a second surface. Each active component has a first surface and a second surface. Each metal part has a first surface and a second surface. The first surface of each active component is connected to the first surface of the substrate. The first surface of one metal part is connected to the second surface of one active component. Each metal part extends to connect to the first surface of the substrate. The encapsulation material covers the first surface of the substrate and surrounds the active components and the metal parts. The second surface of each metal part and the second surface of the substrate are exposed from the encapsulation material.

Abstract: A dimmer control circuit for controlling a phase cut dimmer includes: a rectifier circuitry, configured to rectify the output voltage of the phase cut dimmer to output a rectified voltage; an input voltage detecting circuitry, configured to output a detected voltage according to the rectified voltage; a processor, configured to output a control signal when the detected voltage meets a preset condition; and a constant current circuitry, configured to output or stop outputting a preset current to the rectifier circuitry in response to the control signal; wherein the preset current has a value greater than a holding current of the phase cut dimmer.

Abstract: The present disclosure provides a connector which is a combination of at least one power pin, one plastic member, and one signal pin, wherein the power pin includes a columnar metal block, each plastic member is connected to the columnar metal block at side surface, each signal pin is attached to a side surface of the plastic member, and extends to two bottom surfaces of the plastic member to form contact surfaces with predetermined areas on the two bottom surfaces; wherein, the contact surface on first bottom surface of the plastic member is flush with first bottom surface of the metal block, and the contact surface on second bottom surface of the plastic member is flush with second bottom surface of the metal block.

Abstract: A motor includes a shaft, a shell, a sleeve, an abrasion-resistance piece, a bearing, an oil seal, and several compressed springs. The shaft has an axial line. The shell is connected to the shaft. The sleeve has an accommodating space, and the wall of the accommodating space forms a first inclined surface which is inclined at an angle with respect to the axial line. The abrasion-resistance piece is disposed at the bottom of the accommodating space. The bearing is disposed in the accommodating space, and the outer wall of the bearing forms a second inclined surface corresponding to the first inclined surface. The shaft passes through the bearing and abuts the abrasion-resistance piece. The oil seal is affixed to the wall of the accommodating space and covers the bearing. The compressed springs are connected between the oil seal and the bearing.

Abstract: A waveform conversion circuit for converting a control signal of a control node ranging from a high voltage level to a low voltage level of a reference node into a driving signal of a first node is provided. The waveform conversion circuit includes a first resistor, a first capacitor, a unidirectional conducting device, and a voltage clamp unit. The first resistor and the first capacitor are in parallel and coupled between the control node and the first node. The unidirectional conducting device unidirectionally discharges the first node to the control node. The voltage clamp unit is coupled between the first node and the reference node and configured to clamp a driving signal.

Abstract: An antenna device includes a first antenna, a second antenna, a multiplexer, and a controller. The first antenna is arranged on a first plane with a plurality of first feeding ports on the body of the first antenna to transmit or receive an electromagnetic signal on a first frequency. The second antenna, which is arranged on a second plane, includes at least four second feeding ports to transmit or receive an electromagnetic signal on a second frequency. The multiplexer has an input port coupled to the signal source, and output ports coupled to the plurality of first feeding ports and the four second feeding ports. The controller controls the multiplexer to transmit a feeding signal from the signal source to at least one of the first feeding ports and at least one of the four second feeding ports, to fine-tune the beam of the antenna device.

Abstract: An integrated magnetic element is provided, including a first magnetic-core frame, three second magnetic-core frames, and three coil windings. The first magnetic-core frame has a first side pillar and a second side pillar opposite to the first side pillar. The three second magnetic-core frames are arranged on the side corresponding to the first side pillar of the first magnetic-core frame, and are arranged in parallel with the axis of the first side pillar of the first magnetic-core frame. Each of the second magnetic-core frames has a first side pillar adjacent to the first side pillar of the first magnetic-core frame, and a second side pillar opposite to the first side pillar of itself. The three coil windings connect to a three-phase grid, and wind around the first side pillar of the first magnetic-core frame and the corresponding first side pillar of the second magnetic-core frame respectively.

Abstract: A package structure of a power module is provided. The package structure includes a body having a sidewall, a first protruding structure protruding outward from one end of the sidewall, a second protruding structure protruding outward from another end of the sidewall and opposite to the first protruding structure, and a spring having two ends embedded in the first and the second protruding structures, respectively. The stress is transferred to the first and the second protruding structures via the spring, respectively. The equivalent stiffness of the spring is different from that of the body so that the package structure as a whole suffers the stress uniformly.

Abstract: A network transformer module includes a first magnetic element and a second magnetic element. The first magnetic element includes a first iron core and a first coil winding. The first coil winding is composed of a first wire and a second wire, and is wrapped 7 to 14 turns around the first iron core. The second magnetic element includes a second iron core and a second coil winding. The second coil winding is composed of a third wire and a fourth wire, and is wrapped 2 to 5 turns around the second iron core.

Abstract: A fan failure backup apparatus includes a first fan module and a second fan module. When a second control unit of the second fan module realizes that the first fan module is failed through a first control unit of the first fan module, and the second control unit realizes that the second fan module is not failed, the second control unit controls the second fan module to additionally enhance a pressure-flow characteristic of a second fan unit of the second fan module.

Abstract: The present disclosure provides a connector which is a combination of at least one power pin, one plastic member, and one signal pin, wherein the power pin includes a columnar metal block, each plastic member is connected to the columnar metal block at side surface, each signal pin is attached to a side surface of the plastic member, and extends to two bottom surfaces of the plastic member to form contact surfaces with predetermined areas on the two bottom surfaces; wherein, the contact surface on first bottom surface of the plastic member is flush with first bottom surface of the metal block, and the contact surface on second bottom surface of the plastic member is flush with second bottom surface of the metal block.

Abstract: An adapter module includes an adapter unit and an adapter cable. The adapter unit includes a control unit, and the adapter cable includes a data transmission line and a voltage control unit. The control unit is a power delivery controller. The control unit receives a reference voltage provided from the voltage control unit through a data transmission terminal, and the control unit controls the adapter unit to provide a fixed voltage to a load according to the reference voltage.

Abstract: A control method, which is applied to a conversion circuit including at least one bridge arm and an inductor, the bridge arm including an upper semiconductor switch and a lower semiconductor switch connected in series, and one end of the inductor being connected to a midpoint of the bridge arm, includes: detecting a direction of current of the inductor when a.

Abstract: The present disclosure relates to a DC/DC conversion system, including a plurality of switch conversion branches, each of the switch conversion branches includes: a primary side circuit, having an input end connected in parallel with an input capacitor; a transformer, having a primary winding coupled to the primary side circuit; and a secondary side circuit, coupled to a secondary winding of the transformer, wherein, input ends of the primary side circuits of the plurality of switch conversion branches are connected in series to form a system input end, output ends of the secondary side circuits of the plurality of switch conversion branches are connected in series to form a system output end, and a filter circuit is connected in parallel with the system output end.

Abstract: The present disclosure provides a temperature protection circuit for a power converter, including a plurality of temperature protection branches, each of the temperature protection branches comprises a resistor, a voltage source, a temperature switch, and an isolation transformer, and each of the temperature protection branches corresponds to one of the power semiconductor switch blocks, and a first end of the resistor of each of the temperature protection branches is coupled to an output electrode of the power semiconductor switch block, and a second end of the resistor is coupled to a first end of the voltage source and coupled to a first end of the contact of the temperature switch via a primary winding of the isolation transformer, a second end of the voltage source and a second end of the contact of the temperature switch are respectively coupled to the potential midpoint of the power converter.

Abstract: The present disclosure discloses a method of business processing, an apparatus, a device and a system using the method, and a readable storage medium of the same. The method includes: when a first trigger event is received by a process management container, executing a process management component loaded in the process management container; and when the process management component is executed, reading a pre-configured business processing file, and according to a business processing model predefined in the business processing file, performing an operation for respective tasks in the business processing model based on a business process management engine, wherein the operation includes: sending a second trigger event to a business processing container, to invoke a business processing component that is loaded in the business processing container and bound to the task. The method may realize the integration of event-driven systems with BPM.

Abstract: The present disclosure provides a high-voltage isolating device and method. The high-voltage isolating device includes a power module and a shelf. The power module's back panel is provided with a first connecting portion, and the power module's front panel is provided with a first fastening member. The shelf includes a module slot for accommodating the power module. The module slot's rear end is provided with a second connecting portion, and the module slot's front end is provided with a second fastening member. Wherein in a first status, the first connecting portion is matched and connected with the second connecting portion, and the first fastening member is away from the second fastening member, and in a second status, the first connecting portion is disconnected from the second connecting portion, and the first fastening member and the second fastening member are matched and connected together by a padlock.