41results about How to "Heat conduction" patented technology

The invention discloses a power battery pack multi-stage heat dissipation system and control method based on coupling of a planar heat pipe, liquid cooling and a phase change energy storage heat conduction plate. The system comprises an electrical system and a cooling system. The electrical system includes a battery module, a temperature sensor, a battery management system, a power supply wire harness, a storage battery and a multi-stage heat dissipation refrigerator control wire. The cooling system comprises multi-stage heat dissipation refrigerators, the phase change energy storage heat conduction plate, the planar heat pipe, a circulating water pipe, a radiator, a water tank, a water pump, and a cooling liquid. A temperature sensor is used to collect the temperature of the battery module and is connected to the battery management system. The water pump, the plurality of multi-stage heat dissipation refrigerators, and the radiator are connected to the storage battery, and the storagebattery provides energy. The water pump, the plurality of multi-stage heat dissipation refrigerators and the radiator are connected to the battery management system through a water pump control wireharness, a multi-stage heat dissipation refrigerator control wire harness and a radiator control wire harness, and are controlled by the battery management system in real time to control overall temperature rise of a power battery pack.

The invention discloses an environmentally-friendly compound gas-burning three-dimensional porous infrared radiation device and relates to the technical fields of gas burning, pre-heating and pre-mixing, double-cavity overlaying function design, porous plane burning carriers, three-dimensional porous multiphase composite ceramic substrates and low-temperature catalysis infrared emission optimizing energy conversion. The device comprises supporting bars, porous radiation plates, a composite coating, an igniter, fixing nails, a fixing frame, an annular cavity wall, heat exchange pipes, a heat exchange pipe fixing sheet, a cavity containing box, a heat preservation layer, an injection head, an injection pipe, a flange, a spiral sheet, a gas inlet pipe, a punching plate, a burning carrier, sealing glue, a fixing seat, a lower cover, an upper cover, an outer frame and an installation member, wherein the injection pipe extends into the hole of the cavity containing box and then is fixedly connected with the injection head, the burning carrier is arranged on the punching plate in a spot welding way, the igniter is arranged in an annular cavity at the upper part of the burning carrier, one ends of the heat exchange pipes extend into the heat exchange pipe fixing sheet, the other ends of the heat exchange pipes are clung to the annular cavity wall, the composite coating is coated on the porous radiation plates and a plurality of porous radiation plates are fixed in the fixing frame.

The invention belongs to the field of side slope and bank slope protection engineering, and discloses an anti-seepage and anti-freezing protection system for bank and side slopes of a reservoir in a cold region. The anti-seepage and anti-freezing protection system comprises a foundation embedded in the side slope. A gravel cushion layer, a composite anti-drainage plate and a Renault protection padare sequentially laid from inside to outside on the slope surface of the side slope from the foundation to a set height of the side slope, wherein the set height of the side slope is higher than a surge water level. The anti-seepage and anti-freezing protection system further comprises one-way drainage pipes, wherein the one-way drainage pipes comprise a bottom one-way drainage pipe and a top one-way drainage pipe. The water inlet section of the bottom one-way drainage pipe penetrates through the foundation and extends into the side slope. The water inlet section of the top one-way drainage pipe penetrates through the Renault protection pad, the composite anti-drainage plate and the gravel cushion layer sequentially and extends into the side slope. The invention further discloses a construction method of the anti-seepage and anti-freezing protection system for the bank and side slopes of the reservoir in the cold region. The anti-seepage and anti-freezing protection system is simple in structure, reliable in function, convenient to construct, long in service life, and capable of effectively preventing erosion damage and seepage damage to the bank and side slopes of the reservoir,greatly weakening freezing and thawing damage to the side slope, and ensuring long-term stability of the bank and side slopes of the reservoir.

The invention is concerned with the covering crystal LED sealing structure and the sealing method that is with high radiating efficiency. The structure is: seals the LED on the radiating plaque by the covering crystal technique assorting sharing crystal linking mode. The structure consists of: the radiating plaque that forms the insolating layer in the prearrange area and the surface of the insolating layer forms the welding underlay; the LED that links on the radiating plaque by the covering mode, the LED consists of the first electrode and the second electrode, the first electrode and the radiating plaque sharing crystal link with the sharing layer in order to electric connect, the second electrode electric connects with the welding underlay.

The invention relates to a power battery pack. The positive electrode and negative electrode of the power battery pack are respectively provided with a copper-aluminum composite plate. One surface of the copper-aluminum composite plate is a copper plate, and the other surface is an aluminum plate. The copper plates face the electrodes of the power battery pack. The back of the aluminum plates face the electrodes of the power battery pack. The single cells (1) in each row are parallelly connected and welded through one fuse (2); the electrodes of the single cells (1) and the fuse (2) are welded through ultrasonic waves, and the aluminum plates and the fuse (2) are welded through ultrasonic waves. The processing becomes convenient, the cost is reduced, after adopting the abovementioned technical scheme, moreover, the parallel connection of the battery pack is stable and reliable, and the conductive performance is excellent.

The invention discloses a copper aluminum composite radiant panel unit for radiant heating or radiant cooling of high space buildings and a manufacturing and mounting method thereof. The radiant panelunit comprises an aluminum alloy metal heat-conducting panel, a radiant heat-conducting copper pipe, a cold-working condition nonmetal anti-dewing buffer isolation bushing pipe, a fixed radiant panelhoisting rack and a thermal insulation material, wherein a low-reflection high-emissivity coating material is sprayed on the lower surface of the aluminum alloy metal heat-conducting panel. Accordingto the copper aluminum composite radiant panel unit, special sealing thread quick couplers are connected among radiant panel water pipes, the radiant panel unit is safe and reliable, and constructionis quick; the thermal insulation material is arranged on the back surface of the aluminum alloy metal heat-conducting panel; the fixed radiant panel hoisting rack is formed through fixedly connectingmetal light strip steel and special buckles, mounting is quick, and construction cost is reduced; the radiant heat-conducting copper pipe is arranged on the aluminum alloy metal heat-conducting panelthrough expansion compression joint, integrated combination is achieved, heat transfer area is large, thermal contact resistance is low, the surface of the copper pipe does not have mechanical damage, and all the surfaces of the heat-conducting panel and the copper pipe are in interference contact heat conducting; and compared with common clamping technologies, the radiant panel unit has the advantages that heat exchange efficiency is high and heat conducting is stable, and radiant capacity is improved.

The disclosed is package structure for a piezoelectric transformer, which comprises: a shell for supporting the piezoelectric transformer at its node plane; a plurality of electrical connection frames which are fixed on the shell for connecting with electrodes of the piezoelectric transformer and conducting heat from piezoelectric transformer by connection points arranging along the electrical connection frame; and a plurality of connection pins deposited on the electrical connection frames for connecting to the outside circuit. Further, the shell has a wedge structure part which fixes the piezoelectric transformer at its node plane. Correspondingly, a package method for a piezoelectric transformer is also disclosed. Thus, the structure and package method allow a piezoelectric transformer to vibrate freely and have good heat management.

The invention provides a high-frequency inductance coil for a shortwave and ultra-short wave radio station. The high-frequency inductance coil comprises a coil frame (1) and a copper wire (2); the coil frame (1) is a hollow ceramic frame; the copper wire (2) densely winds the hollow ceramic frame (1); the cross section of the copper wire (2) is in a flat rectangular shape and is provided with coil pins; a silver coating or a gold coating coats the surface layer of the copper wire (2) and insulating varnish coats the outer surface of the silver coating or the gold coating; the hollow ceramic frame (1) comprises an installation end surface which is arranged on an automatic antenna tuner frame (6) through fixing screws (3); a thermal conductive silicone grease layer (4) coats between the installation end surface and the contact surface of the automatic antenna tuner frame (6). According to the high-frequency inductance coil for the shortwave and ultra-short wave radio station, the problem of the coil burning of a tuning network of an automatic antenna tuner of a series of shortwave radio stations is well solved and accordingly the shortwave radio station can stably and reliably work, the fault-free working hour is significantly improved, and the technical effect is significant.

The invention belongs to the field of video auditing, particularly relates to a cooling device for auditing short video published information, and aims to solve the problems that an existing cooling device only dissipates heat through a fan and is limited in heat dissipation capacity when in use, the cooling device comprises a base, and the upper surface of the base is movably connected with a heat dissipation box; a heat dissipation box is fixedly connected to the bottom of the base, a water tank is fixedly connected to the bottom of the base, a motor is fixedly connected to the outer wall of one side of the heat dissipation box, and a two-way threaded rod is movably connected between the inner walls of the two sides of the heat dissipation box. The heat dissipation effect of the heat dissipation box is improved, air circulation in the heat dissipation box is improved through rotation of fan blades, air is supplied into the heat dissipation box, water in a spiral pipe circularly flows through movement of a plug and a blocking piece, the angle of the heat dissipation box can be fixed, and the stability of the heat dissipation box is improved.

The invention relates to the technical field of refractory materials, and discloses a microporous magnesia-hercynite brick for a cement rotary kiln firing zone, the brick comprises the following raw materials by weight: 30-40% of microporous high-purity magnesia, 30-40% of fused magnesia, 5-10% of fused hercynite, 1-2% of poly light ball, 1-5% of silica sol and 1-2% of industrial manganese powder. The microporous high-purity magnesia is prepared from 5-10 percent of microporous high-purity magnesia of 5-3mm and 20-30 percent of microporous high-purity magnesia of 3-1mm. According to the microporous magnesia-hercynite brick for the cement rotary kiln firing zone and the preparation method thereof, by adding the poly light balls into a mixing mill, the magnesia-hercynite brick has good fire resistance, high high-temperature strength, good thermal stability, various corrosion resistance, small fiber change after re-burning and small heat conductivity coefficient, and after the brick is used, the heat conductivity coefficient of the magnesia-hercynite brick is greatly reduced, and thus the temperature of the cement kiln cylinder is reduced, coal consumption is saved, air pollution is reduced, and the problems of high heat conductivity coefficient and consumption of a large amount of coal are solved.

A composite substrate made of a circuit board mounted on a lead frame is used for an electronic system package. High heat generated electronic components are adapted to mount on the lead frame and relatively low heat generated electronic components are adapted to mount on the circuit board. Metal lines are used for electrical coupling between the circuitry of the IC chip and the circuit board. An electronic system with the composite substrate gains both advantages-good circuitry arrangement capability from the circuit board and good heat distribution from the lead frame.