Abstract: The present disclosure provides a frequency converter. The frequency converter includes a box body and a bottom box. A bottom portion of the box body is fixedly connected with a top portion of the bottom box. A top portion of a left side of the box body and a bottom portion of the left side of the box body are fixedly connected to a respective fan. A top portion of a left side of an inner wall of the box body and a top portion of the left side of the inner wall of the box body are fixedly connected to a respective annular plate. One end of an output shaft of each fan is fixedly connected to a rotating rod. One end of each rotating rod away from the fan passes through the box body and extends to an interior of the box body.

Abstract: An information handling system may include a chassis having a first region and a second region, wherein the first region includes a memory module, and wherein the second region includes a processing unit; at least one air mover configured to provide airflow; and an airflow shroud including an airflow baffle. When the airflow shroud is installed in the information handling system in a first orientation, the airflow baffle may be configured to block at least a portion of the airflow from flowing through the first region. When the airflow shroud is installed in the information handling system in a second orientation, the airflow baffle may be configured to block at least a portion of the airflow from flowing through the second region.

Abstract: A rack and system for cooling computing devices such as in a data center is disclosed. In one embodiment, the rack supports computing devices and comprises planar annular sector or trapezoidal shelves, each having one or more positions for holding computing devices. The rack may be configured to be connected to other similar racks to form a vertical geometric prism or annular cylinder, which may be tapered, and the computing devices may be installed to discharge exhaust at an angle. A number of vertical supports may hold the shelves in a vertically spaced arrangement to from a helix within the prism or cylinder. An air barrier may be affixed to the rack and have openings permitting exhaust air to flow from the computing devices through the air barrier. The helix formed by the shelves may channel the airflow generated by the computing devices into a vortex to improve cooling.

Abstract: The present disclosure provides a display device including a display panel, a pair of supporting components, a rotating component, a first fixing part and a second fixing part. The display panel comprises: a first side and a second side which are opposite to each other, and the first side is fixedly connected to the first fixing part, and the second side is fixedly connected to the second fixing part. The pair of supporting components comprises: a first supporting component and a second supporting component which are opposite to each other. A first end of the first supporting component is fixedly connected to a first end of the rotating component, and a second end of the first supporting component is fixedly connected to a first end of the second fixing part at the second side of the display panel.

Abstract: A DC power supply device includes a housing including a wall portion, a first opening and a second opening, a circuit portion, a regulation wall portion, and a fan. The first and second openings are formed in the wall portion. The circuit portion includes first and second circuit elements those fixed within the housing. The regulation wall portion provide a first air passage in communication with the first opening, a second air passage in communication with the second opening, and a bent air passage allowing the first air passage and the second air passage to communicate with each other. The fan is configured to generate an air-flow flowing between the first air passage and the second air passage. The fan is positioned to face the first opening. The first circuit element is positioned in the first air passage. The second circuit element is positioned in the second air passage.

Abstract: A power conversion system includes a housing (outer housing) and a power converter. The power converter is arranged in an internal space of the housing. An outer peripheral surface of the housing is provided with an air inlet and an air outlet. The air outlet communicates with the air inlet via the internal space of the housing and is located below the air inlet.

Abstract: The present disclosure relates to the field of power electronics technology, and proposes a power module, including: a case and an isolating part disposed in the case; a first air duct and a second air duct stacked to each other, separated by the isolating part, and penetrated in a front-to-rear direction in the case; a high-voltage power unit; a low-voltage power unit; and a transformer, including a high-voltage portion and a low-voltage portion, wherein the high-voltage portion includes a first magnetic core and a high-voltage coil disposed on the first magnetic core, and the low-voltage portion includes a second magnetic core and a low-voltage coil disposed on the second magnetic core, wherein the high-voltage power unit and the high-voltage portion are disposed in the first air duct, and the low-voltage power unit and the low-voltage portion are disposed in the second air duct.

Abstract: An integrated power control assembly configured as an inverter for a motor is mounted directly on an axial end of the motor. The integrated power control assembly includes one or more power plates, one or more cooling plates coaxially disposed on and thermally connected to the one or more power plates, and one or more circuit boards circumferentially disposed around the one or more power plates. An individual power plate has a power card having one or more switching semiconductor devices corresponding to individual phases of the motor. The individual power card is electrically coupled to the motor through one or more busbars. An individual circuit board is electrically coupled to an individual power card corresponding to an individual phase of the motor. The individual circuit board has a first surface electrically coupled to the one or more power plates and a second surface opposite to the first surface.

Abstract: A water-cooling head adjustment structure for computer water cooling includes a water-cooling head attached to a heating element of a circuit board, a water-cooling head adapter including a bottom panel attached to the water-cooling head, a hollow frame located on the bottom panel and a cover plate covering the hollow frame and equipped with two water inlet and outlet connectors, a steering adapter having two water pipes connected to a water cooling row connector of a water cooling row and two connection pipes respectively connected to the water inlet and outlet connectors of the water-cooling head adapter, and a one-dimensional movement adjustment mechanism provided between the cover plate and the hollow frame for adjustment of the relative position between the cover plate and the hollow frame to align the connection pipes and the water inlet and outlet connectors.

Abstract: A temperature-sensitive pellet type thermal fuse having a metal case (10); a first lead wire (L1) on an open end of the metal case (10) and insulated from the metal case (10); a second lead wire (L2) electrically connected to the bottom wall (12) of the metal case (10); a temperature-sensitive pellet (30) installed inside the case (10); a movable terminal (60) being in contact with the second lead wire (L2) and a fixed terminal (40) when below a fuse cutoff operation temperature, and being in contact with the metal case (10) but separated from the second lead wire (L2) when above the fuse cutoff operation temperature; the movable terminal (60) having a movable contact element (50) slidably contacting with the inner wall of a through hole (41) of the fixed terminal (40) to electrically connect to the fixed terminal (40).

Abstract: The object is to provide an actuator that consumes less power. An actuator comprises: a stator that rotatably supports a plurality of stator rollers; a mover that rotatably supports a mover roller disposed between the stator rollers; and a wire made of a shape memory alloy that is disposed between the stator rollers and the mover roller and has both ends connected to respective two stator terminals provided in the stator.

Abstract: A data center cooling system includes an air handler, a blower coupled to the air handler, and a thermal-polarization pipe coupled to the blower. The blower is configured to supply air through the thermal-polarization pipe. The system also includes at least one pressure box coupled to the thermal-polarization pipe, where the at least one pressure box is configured to house electronics. The thermal-polarization pipe includes an inner tube, an outer tube surrounding the inner tube and forming an annular cavity between the inner and outer tubes, and a thermal-polarization membrane carried by an outer surface of the inner tube.

Abstract: Presented herein are optical module cage designs and heatsink configurations for improved air cooling of pluggable optical modules disposed within the optical module cages. The designs and configurations presented herein facilitate efficient air cooling of higher power pluggable optical modules by enhancing airflow through the optical module cages, increasing contact between the optical modules and the heatsinks, and/or increasing the heatsink dissipation surface area.

Abstract: An information handling system may include a chassis and a variable venting assembly comprising a wall having a plurality of spaced venting holes and an adjustable venting block mechanically coupled to the wall via an axis of rotation and having a plurality of spaced blocking fins such that as a position of the adjustable venting block varies, an overlap between the spaced blocking fins and the spaced venting holes varies.

Abstract: A video recorder (100) is configured and assembled to provide improved ventilation for cooling and improved protection against liquid intrusion. The video recorder is formed of a main chassis housing, a top cover, and a bezel for coupling the top cover to the main chassis housing. Once assembled, channels are formed which provide paths for both liquid egress and airflow intake. The channels allow airflow into fan intake openings located within a top portion of the main chassis housing. The channels further provide for liquid to be diverted away from the fan intake openings.

Abstract: A heat dissipation module for optical transceiver is provided. The heat dissipation module for optical transceiver includes a liquid cooling device, a casing assembly and an elastic fastener. The liquid cooling device includes a liquid cooling tube and a base, and the liquid cooling tube is in connection with the base. The casing assembly includes a top plate. The top plate includes a top surface, a bottom surface and an opening. The opening is through the top surface and the bottom surface. At least one part of the liquid cooling device is extended into the opening and protruded over the bottom surface. The elastic fastener is configured for fastening the liquid cooling device on the casing assembly, and the liquid cooling device is pluggably fastened to the casing assembly.

Abstract: An electronic apparatus includes: an apparatus chassis including therein an electronic board; a keyboard provided on a top of the apparatus chassis; and a fan device that includes a fan chassis and a blade part. The fan chassis includes a first air intake formed on a bottom surface thereof, a second air intake formed on a top surface thereof, and an air outlet formed on a side surface thereof. The blade part rotates inside the fan chassis. The fan device is arranged between a basal plate and a bottom surface of the keyboard inside the apparatus chassis. The basal plate includes a first inlet at a position overlapping the first air intake. The keyboard includes a second inlet that makes air pass through the keyboard in an up-down direction thereof. The electronic apparatus further includes a first water stop member that separates the first air intake from the electronic board.

Abstract: A dual display device is provided, which includes a housing, a first display screen, a flexible display screen, and a rotating assembly. The housing includes a plurality of vertical walls and a bottom wall, the plurality of vertical walls include a second vertical wall. The first display screen is mounted in the housing at a first predetermined distance from the bottom wall, and a first edge of the first display screen is spaced apart from the second vertical wall by a second predetermined distance. The rotating assembly is rotatably disposed in an opening in an axial direction of the rotating assembly.