Abstract: The disclosure provides a power supply module, including a transformer including magnetic core and winding, and a rectifier circuit electrically connected to the winding, wherein the magnetic core further comprises: a first and a second cover plate opposite to each other; a first magnetic column; and a second magnetic column having a magnetic flux in opposite direction to that of the first magnetic column, the first and second magnetic column connected between the first and the second cover plate; the winding further includes: a first winding wound onto the first magnetic column; and a second winding wound onto the second magnetic column, wherein the first and second winding have a shared winding portion at least partially located between the first and second magnetic column; the rectifier circuit includes a plurality of rectifier components including first to fourth rectifier component electrically connected to form a full bridge rectifier circuit.

Abstract: The present disclosure relate to a fault diagnosis method, including: collecting at least one set of original data of the high voltage generator during operation, each condition attribute in a condition attribute set corresponding to one piece of original data; pre-processing the original data to obtain pre-processed data and generating a decision table; performing an attribute reduction based on the decision table to obtain a reduced condition attribute set and a reduced decision table; generating a decision tree model according to the reduced decision table; generating a decision forest model according to at least one decision tree model; obtaining a fault type and a fault level according to the decision forest model; determining an acceptable level of the fault according to the fault level and a frequency of occurrence of the same type of fault, and sending the fault type and the acceptable level to the display terminal.

Abstract: The present disclosure provides a magnetic component and a power module, relating to the technical field of power electronics; the magnetic component provided by the present disclosure includes: a first heat sink, a magnetic core extending in a transverse direction and a winding structure wound on the magnetic core, the winding structure includes at least a first coil and a second coil arranged adjacently along the transverse direction, a gap is provided between the first coil and the second coil, at least part of the first heat sink is arranged in the gap, the first heat sink is in thermal contact with the first coil, the second coil and the magnetic core.

Abstract: The present disclosure provides a transformer module and a power module, wherein the transformer module comprises: a magnetic core, where a first insulating layer and a second wiring layer are sequentially disposed on the magnetic core from inside to outside; a first metal winding, wound around the magnetic core in a foil structure, and comprising a first winding segment formed in the first wiring layer and a second winding segment formed in the second wiring layer; and a second metal winding, wound around the magnetic core in a foil structure, comprising a third winding segment formed in the first wiring layer and a fourth winding segment formed in the second wiring.

Abstract: A magnetic component includes a magnetic core and a first winding module. The magnetic core has two opposite openings and at least one magnetic column. The first winding module has a plurality of annular metal plates disposed around the at least one magnetic column. Each of the annular metal plates has an electrical connection end, an annular portion and a heat-dissipating end. The electrical connection end and the heat-dissipation end are located at the two opposite openings of the magnetic core respectively. A thermal-dissipating area of the heat-dissipating end is greater than a cross-sectional area of a connection portion between the heat-dissipating end and the annular portion.

Abstract: A method for monitoring industrial devices includes: obtaining an access token of a cloud storage server by a management device; sending a certificate request message to the management device by a user apparatus; performing a certificate verification on the user apparatus by the management device according to the certificate request message, and sending a certificate pass message with the access token to the user apparatus by the management device after passing the certificate verification; sending an access request message with the access token and identification information to the cloud storage server by the user apparatus; and providing device data of an industrial device terminal to the user apparatus by the cloud storage server according to the access token and a privilege of the identification information.

Abstract: The embodiments of the present disclosure provide a switching method and a multi-input power system, where the method is used to control an input power source connected with N power supply units, and N is greater than 1, and the method includes: determining a switching strategy for each power supply unit, where the switching strategy is used to indicate a moment when input of a power supply unit is switched from an auxiliary input power source to a main input power source; switching, according to the switching strategy, the input of each power supply unit from the auxiliary input power source to the main input power source at the moment indicated by the switching strategy, where the main input power source includes a standby power source.

Abstract: A charging pile includes a plurality of charging guns and a single heat dissipation module. The plurality of charging guns is connected to the heat dissipation module for heat dissipation via heat exchange. A power distribution system for the charging pile includes: a power module for supplying power to the plurality of charging guns; a control unit connected to the power module and the heat dissipation module for determining an output current of each charging gun depending on the maximum heat dissipation power PlossMax of the heat dissipation module and the maximum heat loss PchargerMax of each charging gun when the plurality of charging guns charge simultaneously; and a power distribution unit connected to the power module and the control unit for distributing the power supplied by the power module to a device through a charging gun connected thereto depending on the output current of that charging gun.

Abstract: The disclosure relates to a thin vapor-chamber structure including a first cover and a second cover. The first cover has a first surface and a first clustered pattern. The first clustered pattern is disposed on the first surface, and has a plurality of first protruding stripes spaced apart from each other and extended along a first direction. The second cover has a second surface and a second clustered pattern. The first surface faces the second surface. The second clustered pattern is disposed on the second surface, and has a plurality of second protruding stripes spaced apart from each other and extended along a second direction. The first clustered pattern and the second clustered pattern are partially contacted with each other to form a wick. The lateral walls of the first protruding stripes and the second protruding stripes form a micro-channel meandering between the first surface and the second surface.

Abstract: An optical fiber mounting mechanism includes an optical fiber, a signal circuit, and a mounting structure. The optical fiber extends along a first direction. The signal circuit extends along the first direction. The mounting structure is disposed at ends of the optical fiber and the signal circuit. The mounting structure surrounds the optical fiber and the signal circuit. The mounting structure has an installation portion. The installation portion extends radially relative to the first direction as the axis direction. The installation portion has a plurality of elements. The elements are exposed from a surface of the installation portion. The surface has a normal direction parallel with the first direction.

Abstract: A vehicle power adaptor module includes a vehicle-sided connector and an interchangeable socket. The vehicle-sided connector includes a connector body and a first connecting portion. The first connecting portion is connected with the connector body. The connector body is configured to electrically connect with an electric vehicle. The interchangeable socket includes a socket body and a second connecting portion. The second connecting portion is connected with the socket body. The socket body is configured to electrically connect with an electronic equipment. The second connecting portion is configured to detachably connect with the first connecting portion.

Abstract: A rack device having a cabinet and power modules stacked in the cabinet is provided. The power module has a frame, an insulative plate, an insulative cover and transformers. The insulative plate is arranged in the frame. The insulative cover is arranged in the frame and disposed spacedly from and parallel with the insulative plate. Each transformer arranged in the frame has a high-voltage set and a low-voltage set electrically connected with each other. The low-voltage sets are arranged on one surface of the insulative plate and do not protrude from the frame, and the high-voltage sets are arranged on another surface of the insulative plate and between the insulative plate and the insulative cover. The frame of each power module is connected with the frame of adjacent power module, and the frame of at least one of the power modules is connected to the cabinet.

Abstract: The disclosure relates to a motor device including a bracket, a connection assembly, a sensor, a stator and a rotor. The bracket includes a first end, a second end, a communication aperture and a slot. The communication aperture passes through the first end and the second end. The slot is disposed at the first end. The connection assembly is disposed in the slot and includes a first connector and a second connector. The second connector is inserted into an accommodation opening of the first connector. The sensor is disposed at the first end and includes a first circuit board connected to the first connector through a first connection element. The stator is connected to the second end and includes a second circuit board connected to the second connector through the second connection element. An end portion of the rotor passes through the communication aperture and spatially corresponds to the sensor.

Abstract: A case for receiving at least one electronic device is provided, including a housing, a hinge, a locking member, and a cover. The housing has an accommodating space and an opening communicated with the accommodating space. The hinge is slidably connected to the housing. The cover has an upper side, a lower side, and an outer surface. The lower side is pivotally connected to the hinge. When the locking member affixes the upper side to the housing and the hinge is in a first position relative to the housing, the cover is disposed between an environment space and the accommodating space, and the outer surface faces the environment space. When the locking member is released and the hinge moves to a second position relative to the housing, the cover leaves the position between the environment space and the accommodating space, and the outer surface faces the environment space.

Abstract: A power conversion system includes a power conversion circuit and a start circuit. The power conversion circuit includes a first terminal, a second terminal, an output capacitor, at least one switch unit, a flying capacitor and a magnetic element. The flying capacitor is connected between the first terminal and the second terminal. The output capacitor is electrically connected with the first terminal or the second terminal. The start circuit is configured to control the power conversion circuit to pre-charge. A first terminal of the start circuit is electrically connected with the first terminal, and a second terminal of the start circuit is electrically connected with the second terminal. During a start process of the power conversion circuit, the at least one flying capacitor and the output capacitor are pre-charged by the start circuit.

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 heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.

Abstract: A hybrid flyback circuit is provided and includes an upper switch, a lower switch, a transformer, a resonant circuit, a current sampling circuit and a control unit. The control unit includes an output voltage feedback unit, a peak current comparison unit controlling the upper switch to turn off when a sampling voltage corresponding to the current sampling signal is equal to the first voltage feedback signal, a first dead time delay unit controlling the lower switch to turn on after a first dead time starting from the turn-off time of the upper switch, a negative peak current feedback unit for generating a second voltage feedback signal, a conduction control unit controlling the lower switch to turn off, and a second dead time delay unit controlling the upper switch to turn on after a second dead time starting from the turn-off time of the lower switch.