1839results about How to "Speed up heat dissipation" patented technology

The invention discloses an LED (Light Emitting Diode) lamp tube, which comprises a glass tube, lamp caps arranged at two ends of the glass tube as well as an LED lamp strip arranged in the glass tube, wherein the inner wall of the glass tube is coated with a light increasing and heat radiating film; and the LED lamp strip is fixedly adhered to the inner wall of the glass tube through a high heat conduction bonding adhesive. The light increasing and heat radiating film is an aluminum-coated layer, or a frosted heat conduction light increasing adhesive layer or a nano adhesive layer capable of increasing light and radiating heat. The LED lamp strip comprises a substrate, wherein a plurality of LED light sources are welded on the substrate, or an integrated light source consisting of an LED chip is packaged on the substrate; and a driving power supply module is also arranged on the LED lamp strip. According to the LED lamp tube disclosed by the invention, the light emitting efficiency, the light emitting angle and the illumination area of the LED lamp tube are increased; the problems of glare and point light existing in the LED lamp tube are solved; heat generated by an LED is transmitted to the whole glass tube through the substrate of the LED, so that the heat radiating area is greatly increased and the heat increasing speed of the LED lamp tube is increased; the LED lamp tube can be applied to a lamp holder of a traditional fluorescent lamp, and thus the generality of the LED lamp tube is greatly improved; and the replacement and use costs are reduced.

A stacked cell (10) is provided with a plurality of stacked unit cells (30), which have a positive electrode collector foil (31) and a negative electrode collector foil (36); and a sheet member (46), which is arranged between the adjacent unit cells (30) and sandwiched between the positive electrode collector foil (31) and the negative electrode collector foil (36). The positive collector foil (31) and the negative collector foil (36) are provided with a positive electrode active material layer (32) and a negative active material layer (37), respectively. The positive electrode collector foil (31) and the negative electrode collector foil (36) are laid one over another to have the positive electrode active material layer (32) and the negative electrode material layer (37) face each other through an electrolyte layer (41). The sheet member (46) has a cooling tab (47) which extends from between the positive electrode collector foil (31) and the negative electrode collector foil (36). Thus, the stacked cell having improved heat dissipation is provided without deteriorating productivity.

A light emitting diode (LED) lamp tube structure includes a tube, a circuit board, a plurality of LED lamps, two electric connectors and a protecting cover. The tube includes a plurality of heat dissipating holes. The circuit board is installed in the tube. The LED lamps are installed on the circuit board and electrically coupled to the circuit board. The two electric connectors are connected to both ends of the tube and electrically coupled to the circuit board. The protecting cover is installed onto the LED lamp tube and includes a board, and through holes disposed on the board and corresponding to the heat dissipating holes. Therefore, the LED lamp tube structure achieves a good heat dissipating effect and enhances the life of the LED lamp tube.

When raising the DC power supplied from a solar cell or a fuel cell by using a DC / DC converter circuit and converting to the AC power by using an inverter circuit, an electronic circuit such as the DC / DC converter circuit and the inverter circuit, and a CPU for controlling the operation of the circuits, may be accommodated within a case body to supply the AC power to a general load, the DC / DC converter circuit and the inverter circuit are mounted on a DC / DC converter circuit mounting substrate and an inverter circuit mounting substrate, which are separately (and independently) mountable for modularization.

A small-sized vehicle is capable of inhibiting the temperature of a battery that supplies an electric motor of a power steering apparatus with a power source from increasing. A battery which supplies the electric motor of the power steering apparatus with the power source is arranged so as not to directly receive cooling air that passes through a radiator.

A thermal material for heat dissipation, which includes at least one sheet of flexible graphite sandwiched about a non-graphite core layer.

The embodiment of the invention provides an array substrate, a preparation method of the array substrate and a display device and relates to the technical field of display. The grain size and homogeneity can be improved. The array substrate comprises a substrate and a polycrystalline silicon thin film transistor arranged on the substrate. The polycrystalline silicon thin film transistor comprises an active layer. The active layer comprises a source electrode region, a drain electrode region and a channel region located between the source electrode region and the drain electrode region. The array substrate further comprises a metal light shading layer arranged between the substrate and the active layer. The orthographic projection of the channel region on the substrate is completely covered with the orthographic projection of the metal light shading layer on the substrate, and the metal light shading layer at least covers partial of the source electrode region and partial of the drain electrode region. The method is used for preparing the array substrate.

The present invention provides an adjustable volume family energy system utilized by step energy, the invention includes a compressor, a hot water heat exchanger, a four-way reversing valve, an outdoor wind cooling pipe coil, a first check valve, a second check valve, a first electronic expansion valve, a second electronic expansion valve, an air conditioning hot and cold heat exchanger, a gas-liquid separator, a water side electric three-way control way, a first solenoid valve, a second solenoid valve, a first water pump, a second water pump. These parts form a refrigerant loop, a domestic hot-cold water loop, realize refrigerating and hot water supplying, single refrigerating, single hot water supplying, single warm supplying, warm supplying and hot water supplying five modes. The control part of the refrigerant loop only has four-way reversing valve and electronic expansion valve in traditional air conditioning system, does not exist refrigerant potential safety hazard. The function of each system is mainly realized by switch and adjustment of the water side two solenoid valves and electric three-way control way, has a simple control, credible security.

A method for continuous microwave expansion of cut tobacco comprises the following steps: impregnating the cut tobacco in an expanding agent; recycling the expanding agent in an impregnating device after impregnation; carrying out microwave expansion on the impregnated cut tobacco by a microwave dryer to obtain the expanded cut tobacco. The expanded cut tobacco comprises one or more than two components of ethanol with 4-12 carbon atoms, ketone with 4-12 carbon atoms, halogenether with 2-12 carbon atoms, alkane with 3-12 carbon atoms or alkane with 3-12 carbon atoms substituted by 2 halogen atoms. The filling value of the expanded cut tobacco reaches above 7.5, the cutting ratio is above 90%, the moisture content after expansion is 12-13%, the expansion of the cut tobacco is even without water damaged cut tobacco; the whole set of devices has low energy consumption and high automation, and continuous closed mass production can be carried out.

A small-sized vehicle is capable of inhibiting the temperature of a battery that supplies an electric motor of a power steering apparatus with a power source from increasing. A battery which supplies the electric motor of the power steering apparatus with the power source is arranged so as not to directly receive cooling air that passes through a radiator.

The present invention discloses a magnetic suspension flywheel battery for a sandwich-type electric car and a work method thereof. A vertical rotation shaft is arranged at the center of the internal portion of a vacuum chamber, a disc-type flywheel motor is coaxially arranged at the center of the axial direction of the vertical rotation shaft, disc-type magnetic bearings having the same structure, being arranged at the axial direction in the longitudinal symmetry mode relative to the disc-type flywheel motor and being sleeved at the outer portion of the vertical rotation shaft are coaxially arranged at the upper portion and the lower portion of the disc-type flywheel motor, and each disc-type magnetic bearing is wound with a set of radial control coils; the disc-type flywheel motor is composed of a stator, two rotors and two sets of permanent magnets, the stator is located at the center of the disc-type flywheel motor and coaxially arranged at the outer portion of the vertical rotation shaft, and the two rotors are respectively and symmetrically arranged at upper and lower sides of the stator and coaxially and fixedly sleeved on the vertical rotation shaft; and the two sets of the permanent magnets are respectively pasted on the surfaces, back to the stator, of the two rotors along the peripheral directions, the whole structure of the flywheel battery is a disc-type structure, the disc-type magnetic bearings and the disc-type flywheel motor are both the flat structures to inhibit the gyroscopic effect of the rotors.

The invention relates to an electronic control unit (14), in particular in motor vehicle braking systems, which is connected to a hydraulic unit (13) by means of a magnetic connector. Said electronic control unit comprises: an area formed by the housing walls (14'), said area being used to receive several valve coils (12) which are arranged in said area, a housing cover (8, 35), at least one first circuit board (31, 5) which is used to receive electric and / or electronic components and an electric contact part and one first heat conducting plate (9, 32) which is used to guide heat away from the electronic components. The first heat conducting plate is connected in a flat manner to the first circuit board, and at least one heat connecting element (4, 15) which produces a thermal bridge between the first circuit board(s) and the first heat conducting plates, is provided. The invention also relates to a pump drive unit which co-operates with said control unit, whereby a motor base plate (22), for the electronic power components of the motor, is provided. The invention further relates to an electrohydraulic control device, wherein one or several elongate heat conducting elements (172) are arranged, said elements being in contact with the hydraulic block (13) and the cooling element (9) in order to form a thermal bridge. One longitudinal side of the heat conducting elements (172) is connected, in a positive or non-positive fit, to the hydraulic block or to the cooling element (9) and the opposite longitudinal sides thereof (1712) are arranged on the hydraulic block or the cooling element without the detachable non-positive fit connection.

The invention relates to a vehicle drying dual-clutch cooler, wherein said invention arranges gas inlet (11) and gas outlet (5) on the frame of dual-clutch automatic speed changer; mounts blower fan (12) driven by motor on the gas inlet (11); arranges divert tube (10) inside the frame (2) of speed changer; arranges axial ventilate holes on the flywheel disc (1) and clutch cover (9), to form the air refrigerating system. The invention can use cooling air to cool the clutch, to reduce its working temperature, while high working temperature will affect the service life and working property of drying dual-clutch.

A heat sink is provided. The heat sink comprises a hollow chassis having a contact face at a bottom portion thereof for attaching to an electronic component and a heat dissipating face at a top portion thereof. A plurality of circularly arranged fins extend from an inner sidewall of the hollow chassis towards a center of the hollow chassis so that gaps between the fins gradually decrease from the inner sidewall of said hollow chassis towards the center of said hollow chassis. At least a heat pipe is positioned between the contact face and the heat dissipating face. At least a fan is positioned at a side of the hollow chassis for generating air to increase an amount of air blowing through wider gaps between said fins to increase the speed of heat dissipation.

This invention provides an organic EL light-emitting device, which can prevent the occurrence of brightness unevenness due to resistance of a transparent electrode, in a large surface light-emitting panel of an organic EL element.The organic EL light-emitting device includes an element formation substrate 1, on which an organic EL element 2 including an organic light-emitting layer is stacked, and a sealing substrate 3 for sealing the organic EL element so as to accommodate the organic EL element between the element formation substrate and the sealing substrate. A sealing portion 4 formed of an adhesive is formed in the peripheral edge portion between the element formation substrate 1 and the sealing substrate 3, and a grease layer 5 or a gel layer 5 is accommodated in between the element formation substrate, on which the organic EL element surrounded by the sealing portion is formed, and the plate-shaped sealing substrate so as to adhere to the element formation substrate and the sealing substrate. The grease layer 5 or the gel layer 5 contains an oligomer or a polymer having organosiloxane bond(—R2SiO—) or fluorinated polyether (—CF2CFYO—) as a skeleton.

The invention relates to a hydraulic extruding method for producing magnesium alloy wire or rod, and relative specific extruding mould, which can avoid crack and high cost or the like. The inventive method comprises that processing magnesium alloy blank, coating lubricant, and heating with era oil, heating hydraulic extruding mould and controlling temperature, arranging magnesium alloy blank, filling era oil, arranging movable convex mould, pressurizing and extruding. The inventive mould comprises a movable convex mould (26), under a convex mould (6) and coaxial with the convex mould (6), wherein the lower end of the convex mould (26) is through a convex mould through hole (8) at the middle of a convex mould press plate (17) to be mounted on the upper part of an extruding barrel (13), and the extruding barrel (13) is a multilayer cold press extruding one. The invention can obtain better physical property and surface quality, or the like.

The invention relates to a high-power LED packaging structure. The packaging structure is characterized in that an aluminum heat sink (6) is in the structure of an inverted T; a scalelike heat-dissipation plate (10) integrated with the aluminum heat sink (6) extends under the aluminum heat sink; an extending arm of the aluminum heat sink (6) is connected with a printed circuit board (9), the center of the aluminum heat sink (6) is provided with a semi-spherical surface concave cavity; a chip (3) is adhered to a lug boss on the inner bottom surface of the semi-spherical surface concave cavity; flexible silica gel (5) is packaged inside the semi-spherical surface concave cavity comprising the chip (3); and the top surface of the flexible silica gel (5) is coated with a fluorescent powder layer (2). The high-power LED packaging structure ensures that the heat of an LED can be dissipated quickly, thereby increasing the light-emitting stability and service life of high-power LEDs.

The invention discloses a preparation method of a non-magnetic high-strength texture Ni-W alloy baseband. The preparation method comprises the following steps: acquiring an Ni-9.6 at.% W alloy cast ingot by adopting vacuum induction smelting, carrying out hot forging and hot rolling on the cast ingot, and removing oxide skin positioned on the surface of a hot rolling blank by combining one-pass cold rolling with shot blast treatment; and successfully acquiring the non-magnetic high-strength strong-cube texture hectometre-level Ni-9.6 at.% W alloy baseband by carrying out warm rolling and the cold rolling with a certain deformation amount, introducing stress relief annealing twice in a cold rolling process, longitudinally shearing the cracked edge of a band in the cold rolling process and finally carrying out continuous recrystallizing heat treatment. The preparation method disclosed by the invention lays a good foundation for realizing the industrialized production of second-generation high-temperature superconductors.

An article includes a flexible polymeric dielectric layer having first and second major surfaces. The first major surface has a conductive layer thereon and at least one cavity therein. The at least one cavity contains a conductive material including electrically separated first and second portions supporting and electrically connecting a light emitting semiconductor device to the conductive layer on the first major surface.

The invention discloses a thermodynamic cycle system and method for ammonia water mixed working medium power cooling combined supply. Ammonia water mixture serves as a working medium, and medium-and-low temperature heat serves as a heat source; the thermodynamic cycle system includes a power cycle and a refrigerating cycle; and the power cycle taking the ammonia water mixture as the working medium, the characteristic of temperature-variable evaporation of the working medium is utilized to be excellently matched with a sensible heat source, meanwhile, the temperature-variable condensation of the working medium is utilized to provide heat for the re-boiling process of a tower kettle and the preheating process for partial feeding material of a rectifying tower of the refrigerating cycle. Through the system integration, the high-temperature part of the external heat source is utilized for power cycle, the low-temperature part of the external heat source and the heat extraction of the power cycle are utilized for the refrigerating cycle, the matched temperature and stepped utilization of heat are realized, and compared with the typical dividing system, the performance of the system is improved.

There is disclosed a rotating anode X-ray tube assembly comprising a vacuum envelope (11) integrated with an anode target (15), a housing (3) receiving at least the vacuum envelope, and rotatably holding it, a circulation path circulating a cooling medium (7) closed to at least the anode target of the vacuum envelope, a cathode (13) received and arranged in the vacuum envelope, a cathode support member (13a) supporting the cathode, a bearing mechanism and a vacuum sealing mechanism interposed between the vacuum envelope, and the housing or a stationary member directly or indirectly fixed to the housing, and a driver unit for rotating the vacuum envelope.

The invention discloses a flexible display device, thereby improving uniformity of heat dissipation of a flexible display screen and improving display effects of the flexible display screen. The flexible display device comprises a flexible display screen and a folding housing body. The flexible display screen is arranged in the folding housing body, and comprises a bending part and a plane part. A heat conduction back film is arranged on one side, near the folding housing body, of the flexible display screen, and comprises a heat conduction layer which covers the bending part and extends to the plane part. The folding housing body comprises a support part and a folding root part. The support part is in contact with the back side of the plane part of the flexible display screen. The folding root part is opposite to the bending part in position and has a storage groove for accommodating the bending part.

A circle type LED lighting flood lamp using a nano spreader is provided, which can provide a double heat dissipation structure formed by mounting an extended nano spreader having high heat diffusion on the inside of a circular type upper cover and making the extension parts of the nano spreader in contact with a heat dissipation portion in both directions, and prevent a heat dissipation plate from exposing to an outside by fixedly putting the upper cover on the outside of a heat dissipation member to improve the heat dissipation efficiency and the life span of the lamp. The circle type LED lighting flood lamp using a nano spreader includes LEDs, an LED mounting substrate on which the LEDs are mounted, a nano spreader having one side that is in contact with the LED mounting substrate and the other side that is extended for a specified length to form extension parts, an upper cover having inner heat dissipation pins that are in contact with the extension parts of the nano spreader, an upper cap fixed to an upper end of the upper cover, a lower heat dissipation member inserted into the inside of the upper cover and having an inner surface that is in contact with the extension parts of the nano spreader and an outer surface that is in contact with an inner surface of the upper cover, and a lower lens fixed to a lower part of the lower heat dissipation member.

The invention provides a renewable energy coupled energy storage and temperature regulation wall body system and a using method thereof. The renewable energy coupled energy storage and temperature regulation wall body system is characterized by comprising a temperature regulation wall body, a solar energy device and a shallow soil heat exchange tube; the solar energy device is arranged on a roof of a room; the shallow soil heat exchange tube is buried in the ground; the temperature regulation wall body is connected with the solar energy device and the shallow soil heat exchange tube; one end of the shallow soil heat exchange tube is connected with a water supply pipeline three-way reversing valve, a heat exchange tube water pump and a heat exchange tube flow meter; the other end of the shallow soil heat exchange tube is connected with a water return pipeline three-way reversing valve through a pipeline; the temperature regulation wall body comprises an inner wall plastering layer, a phase change energy storage plate, binding mortar, an inner wall body and an outer wall plastering layer in turn along the direction from interior to exterior; small pipe diameter of coiled pipes are uniformly embedded in the phase change energy storage plate along the direction of the height of the wall body; a water inlet end and a water outlet end of the small pipe diameter of coiled pipes re located at the bottom of the temperature regulation wall body. The using method is divided into three working condition modes of the winter working condition mode, the summer working condition mode and the transition season working condition mode.

The invention discloses a ground source heat pump air conditioning / combined refrigeration system, which consists of five subsystems, including a buried pipe heat exchanger system, heat pump air conditioning system, air conditioning terminal system, a cooling system and a heat medium circulation system. The buried pipe heat exchanger system is the major cold / heat source of the ground source heat pump air conditioning; the cooling system adopts the mode of water cooling, the exhaust heat of the cooling system is used as an auxiliary heat source all the year round for the ground source heat pump air conditioning with high heat load, thus a peculiar ground source heat pump air conditioning / combined refrigeration system is achieved, thereby meeting the demands of air conditioning users and cooling system users all the year round and ensuring the performance of the system for long term operation. The buried pipe heat exchanger system is connected with the heat pump air conditioning system and the cooling system via the pipeline of the heat medium circulation system; the heat pump air conditioning system is connected with the air conditioning terminal system via the pipeline of the heat medium circulation system; and the control of cold / heat transfer is controlled through the adjustment of the heat medium circulation system. The invention has high energy-saving performance, the costs are low and the operation is reliable.

The invention discloses a railway manifest bogie which comprises a framework, four sets of tumbler type axle box positioning devices, two sets of wheel pairs, a swing bolster and a set of basic braking devices. A U-shaped cavity in the middle of a side beam of the framework is provided with a two-line rubber-metal pad installation platform and provides installation space for the swing bolster and the two-line rubber-metal pad, it is ensured that the size of the manifest bogie and a car body connector can meet the using requirement of an existing wagon; the swing bolster adopts a two-line rubber-metal pad installation base of a forge piece for replacing a welding structure with actual stress exceeding allowable stress, and the strength of the portion is improved; by adopting an axle box elastic suspension system, high-frequency impact of the car during high-speed running is effectively reduced; by additionally arranging a series of rubber springs with the bearing and vibration reduction functions, the perpendicular rigidity of the heavy car working condition bogie is improved, and the variable rigidity of the framework bogie axle box body is achieved.

The LED lamp in this invention consists of LED lamp body, metallic base plate, hot container, refrigeration slice of semiconductor, heating slice, heating fan. It resolves effectively the problem that CMOS chip can bring greatly quantity of heat immediately after high-power LED lamp is electrified, the quantity of heat introduces base plate soon and accumulates rapidly, it results in that the temperature of the COMS chip raise fleetly, so the lightness of the LED lamp attenuate hastily, even it can burn the LED lamp. It has excellence in that reasonable frame, remarkable effect, easy production, and so on.

An insulation sheet for electric machine that forms slot insulation sheet is configured by an aramid paper and a PPS film directly pressure laminated without use of an adhesive. This means that no adhesive layer interposes the aramid paper and PPS film. PPS film is less costly as compared to a polyimide film and possesses better thermal properties such as higher heat emissivity and is highly resistant to heat. Thus, high strength is maintained even when subjected to high temperature over extensive time. Further, because the aramid paper and PPS film are laminated directly without an adhesive layer, the laminate is reduced in thickness. This allows further thinning of the laminate.