18results about How to "Increased cooling surface area" patented technology

The utility model relates to the technical field of thermal management, and discloses a radiator with an insert substrate, which comprises an insert substrate and radiating inserts, the top of the insert substrate is fixedly connected with a plurality of mounting seats, the bottom of each radiating insert is provided with a fixing component, the fixing component comprises a plurality of mounting columns, and the mounting columns are fixedly connected with the mounting seats. The multiple installation columns are fixedly connected to the bottoms of the heat dissipation insertion pieces, at least one rubber ring is fixedly connected to the outer side of each installation column, multiple installation holes are formed in the top of the installation base, grooves are formed in the installation holes, and heat dissipation fins are fixedly connected to the two sides of each heat dissipation insertion piece. According to the utility model, a sliding connection mode of the mounting columns and the mounting holes is adopted, and interference fit is formed through the rubber rings and the grooves, so that the functions of conveniently mounting and dismounting the heat dissipation insertion sheets are achieved. Compared with a traditional fixed installation mode, the design enables the heat dissipation inserting pieces to be rapidly replaced or adjusted, and the problem that the heat dissipation inserting pieces are tedious and time-consuming to replace in the prior art is solved.

The invention discloses a high-luminous-efficiency LED lighting device and a manufacturing method thereof, and relates to the technical field of lighting, the high-luminous-efficiency LED lighting device comprises a shell, a heat dissipation module used for avoiding light attenuation acceleration is arranged in the shell, the heat dissipation module comprises a ceramic heat dissipation plate and an aluminum substrate which are arranged in the shell, and concave-convex textures are arranged on the heat dissipation surface of the ceramic heat dissipation plate; the aluminum substrate is provided with a multi-channel assembly used for preventing the overall lighting effect from being reduced, and the opening of the shell is provided with an anti-glare assembly used for restraining glare under low light loss. Convection heat transfer is enhanced through concave-convex textures on the surface of the ceramic heat dissipation plate so as to delay light attenuation, the multi-channel assembly independently adjusts driving current through a power management system so as to achieve spectrum refined reconstruction, and the anti-dazzle assembly achieves dazzle suppression under low light loss through microstructure textures on the light-emitting face of a lens and light diffusion particles filled in the center area.

The utility model discloses an embedded computer heat abstractor relates to heat abstractor field, including fan shell, turbofan and turbofan blade, the turbofan movable mounting is in the inside of fan shell, and turbofan blade fixed mounting is in the outside of turbofan blade, the both sides integration of first fin and second fin has in the outside of fan shell, and first fin is located one side at second fin, the top of fan shell is provided with fin slot. The utility model air is driven under the turbofan blade and penetrates fin, realizes forced convection heat dissipation, and the heat dissipation efficiency is greatly promoted, and the fin slot with the heat dissipation fin of annular design allows heat conduction ring and heat conduction copper pipe to install at any angle, adapts to the narrow or irregular space layout of embedded computer, and the compatibility of promoting device is compatible, and the heat conduction ring is detachable connection through the installation buckle and fan shell, and the heat dissipation assembly part can be independently disassembled, and is convenient for maintenance or replacement.

The application discloses a manufacturing method of a high-heat-dissipation-efficiency pouring type driving transformer, and belongs to the technical field of power electronic equipment manufacturing. The method aims to solve the technical problems of low heat dissipation efficiency and insufficient long-term reliability of the existing driving transformer caused by the limited heat conduction performance of the pouring material, the simple surface heat dissipation structure and the difficult coordination of internal thermal stress. The method comprises the following steps: constructing a three-dimensional digital model of a reinforced heat dissipation structure with a boss array and a groove array and preparing a corresponding forming die; positioning a magnetic core and a winding as an insert in a die cavity; pouring insulating colloid with different mechanical and heat conduction properties in batches in a vacuum environment; through a segmented curing process, the flexible colloid is fully filled in the internal gap and buffers the stress, and at the same time, the high-heat-conduction rigid colloid forms an external main body and a heat dissipation structure, thereby forming an integrated pouring body. The method is used for manufacturing the driving transformer suitable for high-power-density and high-heat-dissipation scenes, and can significantly improve the heat dissipation capacity and operation reliability of the driving transformer.

The utility model provides an LED lamp with high stability performance, the LED lamp with high stability performance comprises an LED lamp cover, the LED lamp cover comprises a back plate, the back plate is sequentially provided with a first reinforcing protruding strip, a second reinforcing protruding strip, a third reinforcing protruding strip, a fourth reinforcing protruding strip and a fifth reinforcing protruding strip from left to right, and the first reinforcing protruding strip, the second reinforcing protruding strip, the third reinforcing protruding strip, the fourth reinforcing protruding strip and the fifth reinforcing protruding strip are sequentially arranged on the back plate from left to right. The two ends of the first reinforcing protruding strip, the two ends of the third reinforcing protruding strip and the two ends of the fifth reinforcing protruding strip are flush with the two ends of the back plate, and the length of the second reinforcing protruding strip and the length of the fourth reinforcing protruding strip are smaller than the length of the back plate. The stability of the LED lamp is improved, meanwhile, line distribution is optimized, the installation difficulty is lowered, and later maintenance is facilitated.

The invention relates to the technical field of robots, in particular to a bionic robot joint module. The joint module structure comprises a front cover, a control assembly, an encoder, a heat dissipation assembly, a stator assembly and a speed reduction assembly, and solves the technical problems of performance attenuation and precision reduction caused by heat accumulation due to low efficiency of a heat dissipation structure and insufficient connection rigidity of a stator and a speed reducer of an existing bionic robot joint module. The L-shaped staggered fins are arranged in the heat dissipation assembly, the first heat dissipation fins and the second heat dissipation fins are L-shaped and staggered in installation direction, one heat dissipation fin and one heat dissipation fin extend from inside to outside, the other heat dissipation fin and the other heat dissipation fin extend from outside to inside, and the heat dissipation surface area is greatly increased in a limited space; and the fins are arranged in a point-line scattering manner by taking the matched lantern ring as a circle, so that a complicated heat dissipation cavity is formed, the turbulence of air or a cooling medium is increased, the heat exchange coefficient is improved, air flow or liquid flow can be effectively guided, and heat dissipation dead angles are avoided.

The utility model discloses a fireproof pre-branch cable with a metal sheath, which comprises a main cable and at least one branch cable, and a fireproof branch joint is arranged at the joint of the main cable and the branch cable. Each of the main cable and the branch cable comprises a conductor, a main insulating layer, a metal sheath layer, a fireproof layer and an outer sheath which are sequentially arranged from inside to outside; the fireproof branch joint comprises a metal sleeve sleeved outside a connecting part, so that the safety is improved, the sealing failure caused by thermal expansion and cold contraction of a traditional joint is avoided, and the fire resistance of the joint is ensured to be consistent with that of the cable body.

This utility model provides an LED backlight structure, relating to the field of LED backlight technology. It includes a frame, with a backplate fixedly mounted on one side of the inner wall of the frame, and a light source plate slidably mounted on the other side of the inner wall. A mounting plate is also provided on one side of the frame. The frame includes three closed sides and one open side, with connecting buckles fixedly mounted at both the upper and lower ends of the open side. This structure utilizes a copper and aluminum composite backplate design to achieve efficient heat conduction and uniform heat dissipation, effectively extending the lifespan of the LED light source. The hollow heat sink structure increases the heat dissipation area and heat flow circulation, preventing light leakage. The overall structure is compact, eliminating the need for fans and air ducts, meeting the requirements of thin, quiet devices. The quick-installation mechanism of the mounting plate and connecting buckles ensures rapid disassembly and assembly of the light source plate, improving maintenance efficiency and reducing operating costs. It is suitable for applications requiring frequent light source replacement. The structure is lightweight, has efficient heat dissipation, is easy to assemble, and possesses good environmental adaptability.

This invention belongs to the field of high-voltage connecting aluminum busbar technology, and specifically relates to a dual-conductor, dual-insulation high-voltage connecting aluminum busbar structure for electric vehicles. It includes: two sets of flat aluminum conductors arranged parallel to each other vertically; a high-temperature resistant insulating tape wrapped around the flat aluminum conductors, allowing the two sets of flat aluminum conductors to form independent positive and negative connecting wires respectively; and an outer insulating layer wrapped around the entire outer side of the positive and negative connecting wires. The manufacturing process of the high-voltage connecting aluminum busbar structure includes the following steps: aluminum busbar extrusion, insulating tape winding, outer insulating layer extrusion, cutting, 3D bending, peeling, conductor punching, labeling, and packaging. The flattened design of this invention significantly reduces vertical space occupation, making it suitable for wiring in narrow areas such as the top and side walls of the battery pack, improving the overall vehicle space utilization. Furthermore, the production process is simplified from 17 steps to 9 steps, reducing carbon emissions and aligning with green manufacturing trends.

The utility model belongs to the technical field of stators, and particularly relates to a low-loss stator, which comprises a stator base which is in a flat plate shape, is made of insulating non-magnetic materials and is provided with a wire hole; the coil unit comprises a plurality of coil groups, the plurality of coil groups are arranged on the two side surfaces of the stator base, and the coil groups are distributed on the stator base in an annular or long strip shape; the heat dissipation shell is arranged on the outer side of the stator frame, a plurality of caulking grooves are formed in the outer side wall face of the heat dissipation shell, and the caulking grooves are used for being connected with cooling pipes; wherein the coil unit is formed by sequentially connecting a plurality of adjacent coil groups in series through coil wires; wherein the coil group is formed by stacking a single coil layer or a plurality of single coil layers which are overlapped with the stator base in the vertical direction; wherein the diameter and the number of turns of each single coil layer in the same layer in the coil unit are the same, and the number of layers of each coil group is the same.

The utility model provides pyrolysis machine heat conducting oil circulation heating device relates to heating device technical field, including processing jar, two cooling pipes, its outer surface wall between activity and insert in processing jar inside, through inside flowing cooling water, fast reduction processing jar inside heat conducting oil temperature, in the utility model, cooling water injects cooling pipe through double -way pipe, and the heat conducting oil heat is discharged after absorbing, through setting up the fin on the outer wall of cooling pipe, the heat dissipation surface area is significantly expanded, and the heat conducting oil temperature is rapidly reduced in the cooperation of both, simultaneously, gear no.

The utility model discloses an aluminium sheath ring note super-soft fireproof cable, including by inside to outside setting successively: super-soft conductor layer: by the soft copper wire of multiple diameter 0.2mm layered stranding is formed, and the stranding pitch ratio is 8 12 times, mica wrap layer: by at least two synthetic mica tape overlapping wrap composition constitutes, and the lap joint rate is 30%, adopt the stranding conductor of multiple thin copper wire (0.2mm) and spiral ring note aluminium sheath design, make cable minimum bending radius 5 times outer diameter, dynamic bending life is long, be applicable to narrow space or frequently moving scene, mica wrap layer + ceramic silicon rubber filling layer double fire -resistant structure, can maintain 3 hours insulation performance in 950C flame, far more than ordinary cable, aluminium sheath replaces traditional steel armor, weight loss, annular groove design improves compressive strength, central aramid fiber tensile core enhances longitudinal bearing capacity, sheath ring note groove increases heat dissipation surface area, temperature rise reduces, aluminium armor surface coats corrosion -resistant coating, is applicable to humid, chemical and other severe environment.

The invention discloses a composite radiator with a microstructure and a preparation method thereof, which are used in the technical field of power semiconductor packaging. The array substrate comprises a substrate body and a cover plate, densely-arranged microstructures are arranged in pin fin gaps of the substrate body, and the microstructures comprise water-drop-shaped microstructures and wave-shaped microstructures; the shape of the drop-shaped microstructure is the upper half part of a rotating ellipsoid, and the short radius of the rotating ellipsoid is perpendicular to the pin fin surface of the substrate; the cross section of the wave-shaped microstructure is a wave-shaped pattern with two sharp ends and the same width in the middle; the radiator formed by connecting the cover plate and the substrate is of a hollow closed structure, the pin fins and the microstructures are located in the closed structure, and a liquid inlet and a liquid outlet are formed in the two ends of the cover plate. Directional forming of a high-precision microstructure is achieved through laser-assisted electro-deposition, the transmitting transducer is used for generating normal resonance so that deposition liquid components can be homogenized, and the heat dissipation capacity of a radiator is improved through the synergistic turbulent flow effect of the manufactured microstructure and the pin fins.

The utility model discloses a high light -efficient corn lamp, including lamp holder seat, lamp body, lamp shade and bottom cover, the lamp holder seat locates one end of lamp body, bottom cover locates the other end of lamp body, the lamp shade is located lamp body's outer surface, the lamp body includes heat dissipation main part and FCOB lamp strip, the heat dissipation main part is cylindrical, the front of heat dissipation main part is equipped with the mounting groove, the back of heat dissipation main part is equipped with a plurality of vertical fins, FCOB lamp strip can be detachably installed in mounting groove, bottom cover is circular, and bottom cover is installed in the bottom of heat dissipation main part, the back of heat dissipation main part and the bottom cover of circular form heat dissipation channel, and heat dissipation main part directly carries out heat dissipation to FCOB lamp strip, and the vertical fin of heat dissipation main part back increases the heat dissipation surface area, and heat dissipation channel is favorable to heat rapid discharge, can effectively give FCOB lamp strip heat dissipation, prevents the temperature of FCOB lamp strip from being too high and leads to luminous efficiency to drop.

The utility model discloses a kind of based on integrated air duct type heat dissipation assembly, including heat dissipation pedestal, first heat dissipation fin being set on the heat dissipation pedestal, second heat dissipation fin and third heat dissipation fin respectively being set on the both sides of the heat dissipation pedestal, and heat conduction plate being installed on the heat dissipation pedestal;Mounting groove is opened on the heat dissipation pedestal away from the side of the first heat dissipation fin, and the heat conduction plate is installed on the mounting groove;The cross-sectional shape of the heat dissipation pedestal is V-shaped arrangement;The heat dissipation assembly based on integrated air duct type further includes heat dissipation channel being set in the heat dissipation pedestal;The heat dissipation assembly based on integrated air duct type of the utility model, first heat dissipation fin, second heat dissipation fin and third heat dissipation fin are respectively arranged at different positions of heat dissipation pedestal, increase heat dissipation surface area, so that heat can be quickly lost to surrounding environment by air convection, increase heat dissipation effect.

The utility model relates to clutch friction piece technical field, propose a kind of clutch friction piece with double-sided asymmetric heat dissipation structure, including base, the side fixedly connected with friction block of base, the side wall of base is distributed in circumferential array with several friction blocks, gap is arranged between the two adjacent friction blocks, several friction blocks are all provided with multiple grooves, the center position of base is fixedly connected with several connecting blocks, several connecting blocks are distributed with base isometric angle, stable piece is arranged between several connecting blocks. The utility model greatly enhances the heat dissipation efficiency by asymmetric heat dissipation design, under clutch high load condition (such as frequent half linkage or large torque transmission), friction surface temperature can be reduced to safe range, to prevent friction block resin base carbonization. This directly solves the problem of uneven heat dissipation of traditional symmetric heat dissipation groove.

This invention discloses a piezoelectric injection valve, comprising a valve body and a liquid tank assembly. A striker is installed within the valve body, and a hollow cylindrical seat is slidably disposed inside the valve body. The striker is located inside the hollow cylindrical seat, with an adjusting screw connected to one end. The other end of the hollow cylindrical seat protrudes from the valve body and is assembled and connected to the liquid tank assembly. A nozzle is disposed on the liquid tank assembly, and the nozzle corresponds to and cooperates with the striker. By controlling the adjusting screw, the hollow cylindrical seat is moved, which in turn moves the liquid tank assembly, thereby adjusting the distance between the striker and the nozzle. This invention, by independently setting the adjusting screw and the striker, prevents them from interfering with each other. This avoids collisions between the striker and the nozzle during dispensing, preventing the adjusting screw from loosening. This ensures assembly and operational stability, thereby guaranteeing consistent dispensing volume and effective dispensing.