42results about How to "Avoid heat concentration" patented technology

A power adapter includes an insulating casing including an enclosing wall and defining a sealing chamber therein, a power transforming unit disposed in the sealing chamber, and a heat sink device including a heat dispersing member supported within the sealing chamber at a position between the enclosing wall and the power transforming unit to thermal-communicate with the power transforming unit, wherein the heat dispersing member has an air insulating cavity formed above the power transforming unit in such a manner that when the power transforming unit generates heat for heating up air within the air insulating cavity, the heat is diffused throughout the air insulating cavity so as to evenly disperse on the enclosing wall of the insulating casing.

A controller is capable of executing direct couple control that directly couples a first power device and a second power device without causing a DC / DC converter to convert voltage. During the direct couple control, a drive signal that causes no voltage conversion is intermittently output to at least one of a plurality of switching devices.

Provided is a liquid crystal display device, including: a liquid crystal display panel; and a backlight unit, in which: the backlight unit includes: a plurality of light emitting diodes each having an anode and a cathode; a first substrate; and a second substrate, the plurality of light emitting diodes being mounted on the first substrate and the second substrate; the first substrate and the second substrate are disposed adjacent to each other; light emitting diodes which are adjacent across a boundary between the first substrate and the second substrate are disposed so that the respective anodes are opposed to each other and so as to have a pitch equal to or smaller than a pitch of other adjacent light emitting diodes.

A management system for managing a plurality of computers and a plurality of pieces of software in a computer center includes: a selection data storage part for storing data regarding allocation destination selection, the data including at least either one of operation data and temperature data, wherein the operation data represent states of execution of the pieces of software by the computers, respectively, and temperature data represent temperature distribution in the computers; an instruction generation part for extracting an overheated computer that is assumed to emit more heat as compared with the other computers, and a less-heated computer that is assumed to emit less heat as compared with the other computers, by using the data regarding allocation destination selection, and generating an instruction for relocating at least a part of a piece of software allocated to the overheated computer to the less-heated computer; and an instruction part for outputting the instruction. This makes it possible to save energy for cooling the computers.

The invention relates to a ball bulb lamp, and particularly relates to a waterproof LED (Light-Emitting Diode) ball bulb lamp. The ball bulb lamp comprises a light-emitting diode pressing plate, a lens, a radiator, a driving power supply and a screwed standard piece, wherein a light-emitting device is arranged in the light-emitting diode pressing plate. The waterproof LED ball bulb lamp is characterized in that a hollow upper cover is arranged at the upper end of the radiator in a closing manner; the hollow position of the upper cover is blocked by the lens; an upper waterproof rubber ring is arranged between the lens and the upper cover; the light-emitting diode pressing plate covers the lower part of the lens; the lens is provided with an on-plate chip, a lower waterproof rubber ring and the radiator which are arranged from top to bottom in sequence and are laminated in a layer-by-layer manner; the lower end of the radiator is closely connected with the lower cover; the lower cover is in sealing connection with the screwed standard piece; and the driving power supply is arranged in the screwed standard piece and is connected with the light-emitting device by an electric wire. The waterproof LED ball bulb lamp has the advantages of uniform heat distribution, reasonable arrangement of a heating device, good radiating effect, good waterproof effect and compact and durable structure.

The invention relates to an intelligent flameproof fabric capable of realizing step-by-step phase-change heat consumption and metal enhanced heat dissipation and a preparation technology of the intelligent flameproof fabric. The intelligent flameproof fabric consists of three to five phase-change composite layers with phase-change powder capable of exciting temperature from high to low, and an innermost flameproof comfortable layer, wherein the phase-change composite layers and the innermost flameproof comfortable layer are integrally sewn and bonded. When the front surface, i.e., the phase-change composite layer of the intelligent flameproof fabric is under the strong heat flow effect of an open fire, the back surface, i.e., the flameproof fabric of the intelligent flameproof fabric can be kept to be below 50DEG C close to safe temperature for human body skins, and the overall structural form and the mechanical property are stable. The natural thickness of the composite fabric is 5-15mm, the compact thickness of the composite fabric is 3-8mm and the weight per square meter of the composite fabric is 400-1500g / m<2>. The intelligent flameproof fabric is a fully-closed bonded and sewn flameproof heat-insulation fabric and can be used for individual protection and environmental heat insulation of high-temperature special occasions such as firefighting, military, exploration, safe escape and industry.

A semiconductor device having an arm block. The arm block includes a first circuit pattern that, in a plan view of the semiconductor device, has a recess formed thereon that extends inward from a side thereof, the recess forming a disposition area of the semiconductor device, a second circuit pattern having at least a part disposed in the disposition area, and a plurality of semiconductor chips formed on the first circuit pattern. Each semiconductor chip has a positive electrode on a back surface thereof, and a control electrode and a negative electrode on a front surface thereof, the negative electrode being electrically connected to the second circuit pattern by a wiring member.

The invention discloses an electrode automatic control system, which belongs to the technical field of electric furnace control, and in particular relates to a multi-dimensional electrode refinement control system, which can realize independent lifting of three-phase electrode heights and continuous adjustment of electrode circle diameters. In addition, it also has multiple One working position meets the continuous heating of multiple ladles. The hardware part of the control system includes a mobile base frame, a base, a lifting device, a station adjustment device, a cross arm, an electrode circle adjustment device, and an electrode clamping device. The electrode automation control system The software part of the paper adopts the impedance control strategy, and at the same time, the segmented movement method and the boundary linkage control method are designed in the realization process. Compared with the prior art, the invention can significantly reduce energy consumption, improve production efficiency, reduce the interference of the electric furnace to the power grid, avoid situations such as arc burning of the furnace, and ensure uniform temperature distribution in the furnace.