Abstract: A power converter is provided. The power converter includes a housing, a heat dissipation module, and a first circuit board. The housing forms a receiving space, wherein the housing includes a first housing port and a second housing port. The heat dissipation module is detachably connected to the housing, and disposed in the receiving space. The heat dissipation module includes an inner path that communicates the first housing port with the second housing port. Working fluid enters the inner path via the first housing port. The working fluid leaves the inner path via the second housing port. The first circuit board includes a first circuit board body and a first heat source, wherein the first heat source is disposed on the first circuit board body, and the first heat source is thermally connected to the inner path of the heat dissipation module.

Abstract: A power chip, includes a metal region; a wafer region. The wafer region includes at least one first partition, forming a first power switch; and at least one second partition, forming a second power switch. The first power switch and the second power switch are electrically connected, a total number of the at least one first partition and the at least one second partition is not less than 3, and the at least one first partition and the at least one second partition are disposed alternatively along a curve.

Abstract: An immersion cooling system includes a cooling tank and a filtration system. The cooling tank is configured to accommodate a liquid coolant and an electronic device immersed in the liquid coolant. The filtration system includes a pipeline, a pump, a filter and a cooling device. The pipeline is in fluid communication with the cooling tank. The pump is disposed in the pipeline and is configured to drive the liquid coolant to flow through the pipeline. The filter is disposed in the pipeline and is configured to filter the liquid coolant. The cooling device is connected to the pipeline and is configured to cool the liquid coolant. The pipeline has an inlet connected to the cooling tank. The cooling device is located between the pump and the inlet of the pipeline.

Abstract: The disclosure provides a magnetic assembly and a power supply apparatus. The magnetic assembly of the present disclosure includes: a first magnetic core, a plurality of windings, a housing and a second magnetic core, where the first magnetic core has a winding area, and the plurality of windings are wound with an interval on the winding area of the first magnetic core; the housing has an accommodating cavity, and at least part of the plurality of windings is accommodated in the accommodating cavity, and the second magnetic core is arranged between a cavity wall of the accommodating cavity and the plurality of windings. According to the present disclosure, parasitic parameters such as leakage inductance of the magnetic assembly are relatively stable, and the power supply efficiency is improved and higher.

Abstract: A power supply device includes at least one magnetic member, a first circuit board and a second circuit board. The first circuit board is disposed over the magnetic member and is electrically connected to the magnetic member. The first circuit board has an opening. The second circuit board is electrically connected to the first circuit board. The second circuit board is disposed over the first circuit board and faces the opening of the first circuit board.

Abstract: A sealing mechanism is provided, including a housing, a groove, and a sealing element. The housing includes a first member and a second member, and the groove is formed between the first and second members. The sealing element is formed in the groove by Low Pressure Molding (LPM) and surrounds at least one of the first and second members.

Abstract: A switching module includes a substrate, a switching element, a first control part, a second control part, a first power part and a second power part. The switching element is disposed on the substrate. The switching element includes a first control terminal, a second control terminal, a first power terminal and a second power terminal. The first control part is connected with the first control terminal of the switching element. The second control part is connected with the second control terminal of the switching element. A projection area of the first control part on a reference plane intersects with a projection area of the second control part on the reference plane at one or more first intersections. The first power part is connected with the first power terminal of the switching element. The second power part is connected with the second power terminal of the switching element.

Abstract: The present disclosure relates to a multi-phase inverse-coupled inductor. The multi-phase inverse-coupled inductor includes two windings and a magnetic core. The magnetic core includes a first magnetic core, a second magnetic core, and a plurality of magnetic core pillars. The first magnetic core and the second magnetic core are located at both ends of each of the windings, respectively; the magnetic core pillars connect the first magnetic core and the second magnetic core to form two magnetic core units, and the magnetic core units are disposed to be in a one-to-one correspondence with the windings.

Abstract: The present disclosure relates to a power supply system including a power module. The power module includes an inverse-coupled inductor and a plurality of half-bridge modules. The inverse-coupled inductor includes: a plurality of windings and a magnetic core. The plurality of windings are linear windings between a first plane and a second plane. The first magnetic core and the second magnetic core are located at both ends of each of the windings, the magnetic core pillars connect the first magnetic core and the second magnetic core to form a plurality of magnetic core units, and the plurality of magnetic core units surround corresponding windings in a same direction from the first plane to the second plane. Projections of the plurality of magnetic core units on the first plane form a plurality of closed areas.

Abstract: The present disclosure provides a three-level rectification DC/DC converter including primary and secondary circuits and a resonant tank circuit. A voltage between two primary terminals is a first voltage. The secondary circuit includes two clamping switches, a switch bridge arm, and a capacitor bridge arm. The switch bridge arm includes four switches serially connected. The two clamping switches are connected in series between a node between the first and second switches and a node between the third and fourth switches. Two secondary terminals are respectively connected between the second and third switches and connected between two output capacitors of the capacitor bridge arm. A node between the two clamping switches is connected between the two output capacitors. The second and third switches are at least in an on state for a preset time length after falling and rising edges in a period of the first voltage respectively.

Abstract: An automated guided vehicle (AGV) management system including a battery recharge management module, a task management module, and an AGV path planning module is provided. The battery recharge management module manages the AGVs to be recharged by at least one wireless charging unit in a parking area. The AGV leaving the parking area has a battery charge higher than a charge threshold. The task management module receives tasks and assigns the tasks to the AGVs. The task includes information including at least one pick-up location, at least one drop-off location, and a due time. The AGV path planning module plans paths for the AGVs, respectively, according to the information of the assigned tasks. The task management module delays assigning the task to the AGV if the AGV is expected to complete the task earlier than the due time of the task.

Abstract: A wireless charging method includes: (a) providing a charging device, wherein the charging device includes at least one charging region for a smart device to place thereon, the charging device is configured to charge the smart device when executing a charging task, the charging task includes at least one charging subtask, and the charging device is configured to detect whether there is a detection object on the charging region when executing a detection task, and the detection task includes a plurality of detection subtasks; (b) executing a charging initialization program and a communication initialization program; and (c) executing the plurality of detection subtasks and at least one charging subtask, wherein the at least one charging subtask is interspersed and executed among the plurality of detection subtasks.

Abstract: The present disclosure provides a motor including a stator, a rotor and a first circuit board. The stator includes a winding assembly including a plurality of coils. A conductive element is extended out from the winding assembly and is electrically connected to a first electrical connector. The first electrical connector penetrates through a pillow of the stator and is electrically connected to the first circuit board. The motor further includes a second circuit board electrically connected to the first circuit board, and a first insulation plate, a second insulation plate and a third insulation plate for fixing and protecting the circuit boards. The motor also includes a clip for fixing and heat dissipating an electronic component disposed on the second circuit board.

Abstract: A brake device of a rotating motor is disclosed and includes a base, an upper plate, a sliding plate, a transmission component, a lining plate, a connection element, a planar plate and an elastic component. A rotating shaft runs through the base in an axial direction. The sliding plate is arranged between the base and the upper plate, and driven by the drive module. The transmission component is sleeved and fixed on the rotating shaft, and includes a sleeved peripheral edge, a limiting portion, and a perforation. The limiting portion is protruded outwardly from the sleeved peripheral edge in a radial direction, and the perforation is passed through the limiting portion along the axial direction. The lining plate sleeved on the sleeved peripheral edge is located between the sliding plate and the upper plate. The elastic component is arranged between the planar plate and the limiting portion.

Abstract: An immersion cooling system includes a tank, a first condenser, an enclosure, a second condenser and a connecting pipe. The tank has a first space. The first space is configured to accommodate a cooling liquid for at least one electronic equipment to immerse therein. The first condenser is disposed inside the tank. The enclosure is disposed outside the tank. The enclosure forms a second space together with the tank. The second condenser is disposed in the second space. The connecting pipe includes a first end and a second end opposite to the first end. The first end is connected with the second condenser. The second end is communicated with the first space.

Abstract: An antenna array device provided, which includes a substrate, multiple antenna elements, a metal ground plate and a first isolation unit group. The multiple antenna elements are disposed on a first surface of the substrate. The multiple antenna elements have a first polarization direction and a second polarization direction opposite to the first polarization direction. The first isolation unit group is disposed between adjacent two of the multiple antenna elements. An arrangement direction of the first isolation unit group is perpendicular to the first polarization direction and the second polarization direction. The first isolation unit group is two isolation units which are adjacent, each of which comprises an outer end and an inner end opposite to the outer end. The inner end is connected to the metal ground plate disposed on a second surface of the substrate via a second via.

Abstract: A hairpin stator includes an iron core, a plurality of slot-positions and a plurality of hairpin wires. The slot-positions are located in the circumferential direction of the iron core, and form a plurality of adjacent slot-position layers in the radial direction. The iron core includes polar regions, each polar region includes phases, and each phase includes phase slots. The hairpin wires are arranged in the slot-positions of the phase slots of the same phases of the polar regions, and the hairpin wires are connected to form windings. The hairpin wires include transpolar hairpin wires. A span of the transpolar hairpin wires on an insertion side of the iron core is equal to a quotient, which is obtained by dividing a total number of the phase slots by a total number of the polar regions, plus 1 or minus 1.

Abstract: A flyback power converter includes a hybrid clamp circuit and a corresponding power management unit that substantially optimizes the performance of the flyback power converter in its entire line and load ranges. The clamp circuit, which is connected in parallel to a primary winding of the flyback transformer, includes a parallel combination of a capacitor and resistor that is connected in series with a parallel combination of a switch and a diode. By sensing the operating conditions, the power management circuit configures the clamp circuit either as a passive clamp or as an active clamp. In the passive-clamp configuration, the switch is kept turned off. In the active-clamp configuration, the switch operates with pulse-width modulation (PWM) which enables ZVS turn-on of the main switch.