372results about How to "Increase cooling area" patented technology

The invention discloses a magnetorheological damper with convenience in assembly and disassembly of a coil component, relating to the technical field of magnetorheological dampers. The magnetorheological damper comprises a damping cylinder barrel, the coil component, a piston, a piston rod and a magnetorheological fluid, and is characterized in that the coil component is fixed on the outer side of the damping cylinder barrel, a magnetorheological fluid flow channel is arranged on the damping cylinder barrel, the coil component is not in contact with the magnetorheological fluid, the coil component is simple to assemble and disassemble, and the heat generated by energy consumption of an electromagnetic coil and the magnetorheological damper can be uniformly dissipated through the whole outer-layer cylinder barrel component and the coil component, thus the heat dissipation area is large, the temperature of the electromagnetic coil can be obviously reduced, and the service life of the electromagnetic coil can be prolonged.

The invention discloses a radiating device. The radiating device is a poly-prismoid formed by assembling a plurality of radiating units and is provided with a corresponding polygonal ventilating section; and a radiating layer for radiating from the center to the periphery is formed in the radiating device. The radiating device provided by the invention integrates multiple plates, three surfaces of the radiating device are provided with a printed circuit board (PCB) respectively, and the heat of all the PCBs does not influence one another in a same space; due to the integration of multiple plates, the length of the conventional PCB is reduced to 1/3 of that of the conventional design; and the difficulties in weight, space, cooling and radiation of a speed regulator are overcome more effectively.

The invention discloses an LED backlight module and a liquid crystal display device. The LED backlight module comprises a light source fixing device for fixing an LED light bar, and a plurality of radiating fins are additionally arranged on the light source fixing device, so that radiating area is increased, and the radiating performance of LEDs is improved.

The invention provides an OLED display device. A plurality of projections are arranged on one surface of a side, positioned close to an OLED device, of a cover plate substrate; outer surfaces of the cover plate substrate and the plurality of projections are wrapped with heat conduction layers, heat radiation area and heat radiation efficiency of a cover plate can be increased, service life of the OLED device can be prevented from being reduced due to heat accumulation, and the cover plate is enabled to be high in mechanical strength; a first heat conducting and light shielding layer including graphene and light shielding material is coated on an outer side of sealing gum, on an area, positioned outside the sealing gum, of the cover plate and on an area, positioned outside the sealing gum, of a base plate; a second first heat conducting and light shielding layer is coated on an area, positioned outside a part corresponding to the OLED device, of a bottom part of the base plate; the OLED display device can be prevented from all-around light leakage while air tightness of the OLED device can be enhanced, external moisture can be effectively prevented from permeating the OLED device, the service life of the OLED device can be prevented from being affected, heat radiation efficiency of the OLED display device can be further improved due to excellent thermal conductivity and electrical conductivity of the graphene material, the OLED display device can be free from static electricity, and product quality can be improved.

The invention provides a measurement device, with a step-shaped cone, absorbing all energy of a high-energy laser. Light enters an absorbing cavity from the entrance of an energy meter, arrives in a reflection body in an incident mode and can be absorbed by the absorbing cavity after being reflected by the reflection body, and temperature rise of each region of an absorbing body is measured by a temperature measurement component and is combined with quality and specific heat of combustion to work out the energy increment of each region. Water channels are formed in the wall of the reflection body and the wall of the absorbing body respectively, and water is filled into the water channels to bring away most heat. Laser energy brought away by the water can be indirectly worked out through a water circulation component according to temperature changes and flow during the period from the time when the water enters the absorbing body and the reflection body to the time after the water departs from the absorbing body and the reflection body. The total energy of increment lasers can be worked out by a data collecting component according to energy measured by the temperature measurement component and energy measured by the water circulation component. Because the step-shaped emitting cone serves as the reflection body, the absorbing body is of a cylindrical structure, the effect caused by low laser induced damage thresholds, temperature measurement accuracy, heat loss and light energy escaping in the prior art is avoided, and the measurement device has the advantages of being high in efficiency ratio and testing efficiency and the like.

The invention discloses an LED lamp with excellent radiation effect, and comprises a radiation base (1), an LED light source module (2), and a light penetrating protection cover (3). The LED light source module (2) comprises a plurality of LEDs (21) and circuit radiation under plates (22); the LED light source module (2) is fixedly connected with the radiation base (1) transmits heat to the radiation base (1) through the circuit radiation under plates (22); the light penetrating protection cover (3) and the radiation base (1) are hermetically connected; and a plurality of array-distributed radiation rods are arranged on the back of the radiation base (1). The invention can be widely applied in the lamp field.

The invention relates to a motor rotor, which comprises a rotor shaft and a rotor in a rat cage shape, wherein the rotor is tightly sleeved on the rotor shaft, the rotor comprises an aluminum injection end ring and a rotor iron core arranged in the aluminum injection end ring, the rotor iron core is formed by the overlap of a plurality of pieces of rotor punching sheets, a plurality of evenly distributed rotor punching sheet grooves are arranged on the rotor punching sheets, a rotor iron core groove is formed by the overlap of a plurality of rotor punching sheet grooves, the aluminum injection end ring is integrated into a whole through aluminum filled in the rotor punching sheet grooves and aluminum distributed at the end portion of the rotor iron core. The motor rotor is characterized in that a plurality of evenly distributed through holes are arranged on the rotor punching sheets, the through holes are distributed between the inner ring of the rotor punching sheets and the minimal inner diameter of the rotor punching sheet grooves, and the rotor through holes are formed by the overlap of the plurality of the through holes. The cooling effect is better and service life of enameled wires is greatly prolonged, as the axial direction of the air pressure produced by through holes themselves is in accordance with the axial direction of the air pressure produced by motor load, and simultaneously, the through holes enlarge cooling areas. In addition, the through holes on the rotor reduce the weight of the rotor and are helpful for improving motor starting performance, and the reduction of raw materials reduces motor cost.

The invention relates to the field of semiconductor illumination, in particular to an LED streetlamp comprising an LED light emitting module, a panel shell and a bottom shell, wherein the panel shell is provided with a light outlet and the LED light emitting module is arranged in a cavity defined by the panel shell and the bottom shell. The LED streetlamp is characterized by also comprising an optical cover plate which is arranged in the light outlet of the cavity, and further comprising a radiating module which is arranged in the cavity; the LED light emitting module is connected with the radiating module; and the bottom shell is provided with radiating holes. The invention provides an LED streetlamp with favorable radiating effect.

The invention discloses a communication equipment chassis. The communication equipment chassis comprises a chassis body and a radiator, wherein the radiator comprises a base plate and a radiating module set; the base plate serves as a back sealing plate of the chassis body; the radiating module set is connected with the back of the base plate and comprises a plurality of radiating modules; each radiating module comprises a plurality of radiating tubes and a plurality of radiating fins; the plurality of the radiating tubes are connected with the back of the base plate; and the plurality of the radiating fins are connected by the radiating tubes. In the communication equipment chassis, a section bar radiator in the conventional equipment chassis is changed into the plurality of the radiating modules which comprise the radiating tubes and the radiating fins; the radiating modules form the radiating module set; the radiating fins are connected by the radiating tubes, so a radiating area is greatly increased compared with the section bar radiator on the premise of the same space volume by increasing the numbers of the radiating fins and the radiating tubes; an overall radiating area is further increased by increasing the number of the radiating modules; the radiating efficiency is increased; and the radiating equipment on the communication equipment chassis is met.

The invention discloses a radiating structure for an outer-rotor direct-current brushless motor. In the radiating structure, a radiating boss is machined on the inner wall of a stator protective end cover; the plane of the boss is in insulative close contact with a radiating plane of an electronic element on a direct-current electric control circuit board; and a groove is reserved on the outer wall, corresponding to the position of the boss, of the stator protective end cover. Because an original radiating bracket installation position of the electronic element is changed to the boss of the inner wall of the stator protective end cover from a stator bearing bracket, the radiating boss of the electronic element is far away from a stator winding heating source, and the stator winding heating source is prevented from diffusing and transferring directly through the stator bearing bracket in a split structure mode; and because the radiating groove is reserved on the outer wall of the radiating boss, on one hand, a radiating effect is improved by increasing a radiating area, on the other hand, the rigidity of a shell of a product is improved and material cost is saved. The radiating structure has high radiating efficiency, high rigidity and low production cost, and is suitable to be used in various outer-rotor direct-current brushless motors.

A heat sink assembly in accordance with the present invention increases heat dissipation area, improves heat dissipation efficiency and comprises a base, a core pipe, an outer pipe, a top cover and a working fluid. The base has a top surface. The core pipe is mounted securely on and protrudes from the top surface with an air-tight fit and comprises an inner surface, an outer surface, a wick, multiple holes and a top. The wick is formed on the inner and outer surface. The outer pipe is mounted securely on and protrudes from the base concentrically around the core pipe and comprises an inner surface, an outer surface, a wick and a top. The wick is formed on the inner surface. The holes are formed around the core pipe away from the base. The top cover closes the top of the core pipe and the top of the outer pipe.

The invention discloses an expandable cooler. The expandable cooler is characterized in that the expandable cooler comprises a cooling barrel; multiple cooling fins are arranged on the outer wall of the cooling barrel; a cooler body capable of rotating relative to the cooler barrel is arranged in the cooling barrel; a cavity is formed in the cooler body; the cooling fins are evenly distributed on the inner wall of the cooler body; multiple cooling sheets capable of huddling on the cooler body are arranged on the outer wall of the cooler body; multiple guide grooves are formed in the cooling barrel; and the cooling sheets are arranged in the guide grooves. The expandable cooler aims at overcoming the defects in the prior art and is simple in structure, expandable and good in cooling effect.

The invention discloses a high-power LED surface light source. A high-power LED light source with high color rendering and low color temperature is manufactured by mixing the light of white LEDs and the light of red LEDs into white light according to a certain ratio; a single white LED is coated with fluorescent powder; LED chips are fixed in respective independent metal grooves; the bottom and the lateral surface of the grooves are respectively provided with a layer of highly reflective membrane; a red LED groove is arranged in the middle of a white LED groove; the interval between the grooves is not more than 2 mm; a single groove can be provided with a lens or the grooves can be integrally covered by the lens; and different light effects are obtained by mixing the light of the white LEDs and the light of red LEDs according to different ratios. Under the condition of the same color temperature, the high-power LED surface light source has high luminous efficiency and good color rendering index compared with like products; the LED chips are welded with a soft circuit board on a substrate by a gold wire or a copper wire to reduce the impact on the chips in the welding process and improve the service life of the chips; the soft circuit board is directly attached on the substrate; the white LEDs and the red LEDs are provided with power in a shunting way; and the current can be adjusted.

The invention discloses an LED (Light-Emitting Diode) lamp with a ducted convection radiating channel. The LED lamp mainly comprises a lamp cap, a radiating lamp body, a light distribution lamp shade, an LED light source and a driving circuit, wherein an inner bore of the radiating lamp body and an outer bore of the light distribution lamp shade are communicated to form a duct, and communicated with a vent hole at the upper part of the radiating lamp body to form a convection radiating channel, an external radiating fin is arranged outside the radiating lamp body, an internal radiating fin is arranged in the inner bore, the LED light source is arranged at the bottom of the radiating lamp body circularly, the driving circuit is arranged in a cavity formed by the lamp cap and the radiating lamp body, and a partition separates the driving circuit from the duct. An external power supply is introduced in the driving circuit by the lamp cap, and the driving circuit outputs current to drive the LED light source. By utilizing a chimney formed by a duct, the radiation capacity of the LED lamp is greatly enhanced, and the service life of the LED lamp is prolonged. If an active radiating device such a fan and the like is arranged in the duct, the LED lamp with larger power can be realized.

A heat dissipating apparatus mounted onto an add-on card (20) includes a base (70), a cover (30) mounted on the base, a plurality of fins (60) received between and thermally connecting the cover and the base, a fan (40) positioned on the base to blow air to the fins, and a heat pipe (50) including an evaporating portion (52) and a condensing portion (54). The evaporating portion and condensing portion are sandwiched between the base and the fins. The cover absorbs heat from the fins and dissipates the heat to ambient air. Thus, the heat dissipating area is increased due to the cover, and the heat dissipating apparatus has a better heat dissipating efficiency.

The invention belongs to the technical field of street lamps, and relates to an LED street lamp; an LED street lamp unit is internally provided with an independent drive and has a tubular power supply; street lamps with different power are assembled according to the combined need of the design of whole lamp so as to meet design requirements. According to the illuminating brightness and light spot needs, units with corresponding quantity and length can be selected and combine brackets which can lead each unit to rotate freely and can be fixed tightly at proper angle, so as to combine the whole street lamps with various specifications. The invention has the advantages that the LED street lamp units adopt structure with independent power supply, independent radiating fins and independent sealing, so that the light distribution angle can be adjusted, the power can combine freely, the radiating area is large, the service life is long; and the arrangement of a special air hole can balance the pressure difference in the lamp tube, thus preventing the lamp tube from broken due to expansion on heating and contraction on cooling.

The invention provides a detachable LED illuminating lamp which comprises a light source, a lamp and a power supply. The power supply consists of a light source main body and a lamp cap, and the lamp cap and the light source main body are integrated into a whole. The power supply comprises a power supply body, a power supply plug and a power cord, wherein the power supply plug is fixedly connected with the upper end of the power supply body; the power cord is connected with the lower end of the power supply body. A light source lamp holder and a power supply socket are arranged in the lamp, wherein the power supply socket is arranged at the lower end of the light source lamp holder. The lamp cap is matched with the light source lamp holder. The power supply socket is matched with the power supply plug. The power supply also comprises a driving power supply which is arranged in the power supply body. The invention solves the problems of difficult heat radiation and inconvenient use of the traditional LED lamp, and has the advantages of convenient processing method, safe and convenient use, stable property, recycling and the like.

The invention discloses an automobile brake drum with latticed stiffeners, which comprises a brake drum body. The latticed stiffeners are arranged on the outer circumference surface of the brake drum body, and comprise a plurality of ring-shaped stiffeners which are perpendicular to the axes of the brake drum body and a plurality of strip stiffeners which are parallel with the axes of the brake drum body. The latticed stiffeners can obviously improve the strength of the brake drum, increase the stiffness, reduce the probabilities of the cracking and distortion of the brake drum caused by the effects of heat and brake force, maintain the good joint between a brake shoe and the brake drum, and simultaneously increase the heat radiating area of the brake drum, thereby effectively reducing the temperature of the brake drum, reducing the affect of the heat to steel rings and tyres, increasing the service lives of the brake drum, friction disks and the tyres, effectively preventing the accidents caused by the chap of the brake drum and tyre burst, and improving the driving security.

The invention relates to the technical field of heaters, in particular to a heater. The ceramic PTC heater with corrugate heat radiating fins comprises a heater pipe, the heat radiating fins are arranged on the heater pipe, the heat radiating fins comprise bases, the bases are arranged on the heater pipe, multiple heat radiating protrusions protruding upwards are arranged on the bases in the length direction of the heater pipe, and the heat radiating protrusions form multiple fan-shaped structures with the narrow lower portions and the wide upper portions on the side faces of the heater pipe. Concave-convex structures are arranged on the side faces of the heat radiating protrusions in a width direction. Due to the adoption of the technical scheme, the heat radiating fins of the heater are even in heat radiating, high in heat radiating efficiency and solid and reliable in connection with the heater pipe, the problem of loosening caused by aged mucilage glue is avoided, and the service time is longer.

In the current design of a refrigerator, a condenser and a condenser pipe are arranged on the inner side of an outer refrigerator wall of the refrigerator, the condenser pipe surrounds between the outer refrigerator wall of the refrigerator and a heat insulation layer of the refrigerator, and the outer refrigerator wall of the refrigerator is in close contact with the heat insulation layer of the refrigerator. According to the energy-saving refrigerator, the refrigerator outer wall which undertakes the task that the condenser and the condenser pipe radiate heat outwards is not in direct surface contact with the heat insulation layer of the refrigerator, and an air channel exists between the outer wall of the refrigerator and the heat insulation layer of the refrigerator. During operation, the air channel exists, heat of the inner side of the outer wall of the refrigerator can also be dissipated into the environment through the air channel, and the heat dissipation of the outer wall of the refrigerator is enhanced; and when the refrigerator stops working, cooling capacity in the refrigerator can be prevented from dissipating outwards through the air channel, and heat insulation and retaining effects can be achieved.

The invention belongs to the technical field of automobile illumination, and particularly relates to an LED (light emitting diode) automobile headlamp high beam optical module, which comprises an LED light source, a reflector, a lens and a heat radiator, wherein a platform is arranged on the grid-shaped heat radiator, the heat radiator is connected with a base through a ball head connecting mechanism and a position regulating structure, the LED light source is arranged at a hollow part position of the reflector, in addition, the LED light source is connected with the platform, the reflector comprises a reflecting cup body, the reflecting surface of the reflecting cup is in an ellipsoidal surface shape, the lens comprises a planar incident surface allowing light rays to enter the lens, and also comprises an outer convex surface allowing the light rays to be emitted out, the outer convex surface is in an ellipsoidal surface shape, and the lens is fixedly arranged on the heat radiator through a lens support frame. The module has the advantages that the illumination effect is good, the illumination degree is high, the view sight is clear, a good heat radiation effect is also realized, and an automobile headlamp is enabled to be in a safe and stable work environment, so the running safety is greatly improved, and the service life of the automobile headlamp is prolonged.

The present invention discloses a cooling plate, a gap-adjustable cooling clamp and a mainboard. The gap-adjustable cooling clamp is used to clamp at least one heat source of a tabular module. The gap-adjustable cooling clamp comprises a first cooling fin, a second cooling fin and at least one gap-adjusting part. A gap exists between the first cooling fin and the second cooling fin, and the heat source is suitably arranged in the gap and abuts against the first cooling fin and the second cooling fin. The gap-adjusting part, which is connected between the first cooling fin and the second cooling fin, is used to adjust the gap between the first cooling fin and the second cooling fin, so that the first cooling fin and the second cooling fin can clamp the heat source.

The invention discloses a drilling device with a cooler and relates to the field of drilling equipment. The drilling device with the cooler comprises a box body. The box body communicates with an airbag. A piston disc is arranged in the box body. The piston disc is slidably connected to the inner wall of the box body. The box body is partitioned into a first sealing cavity and a second sealing cavity by the piston disc. A rotary cylinder is arranged at the lower end of the piston disc. A drill bit rod is connected to a piston rod of the rotary cylinder. A drill bit is arranged at the end of the drill bit rod. An outer thread is arranged on the drill bit rod. A sleeve is arranged at the lower end of the box body. An inner thread matched with the outer thread on the drill bit rod is arranged in the sleeve. The box body communicates with air pipes. A one-way valve is arranged on each air pipe. All the air pipes are connected with a water storage tank. A water outlet is formed in the water storage tank. The water storage tank communicates with a water inlet pipe. Two hand-operated supports are arranged outside the box body. By the adoption of the technical scheme, the defects that during drilling of the drill bit, the drill bit is overheated due to friction heating and cannot be cooled in time are overcome, and the drilling device can be used for drilling of various workpieces.

The invention discloses a uniform-temperature heat dissipation device comprising a cold plate array for a power battery pack. The heat dissipation device comprises a heat sink shell, the cold plate array, an upper cover plate, a fan diversion cover and a fan, wherein the cold plate array comprises a plurality of heat dissipation assemblies in parallel, each heat dissipation assembly comprises a cold plate, a battery pack and a fixing strip, fin groups are processed at two ends of the cold plate, a heat pipe is packaged in a back plate of the cold plate and extends to bottom parts of the fin groups all the way, air inlets are formed in two surfaces of the heat sink shell, the plurality of heat dissipation assemblies are placed in the shell to form a heat dissipation array, the fan diversion cover is arranged outside the heat sink shell, a diversion cavity with a trapezoid cross section is arranged in the fan diversion cover, a relatively small end is flush with the air inlets, and the fan is arranged at a relatively large end. By the technical scheme, heat generated by a power battery pack of a new energy automobile during charging and discharging can be efficiently taken away on the condition of maintaining favorable temperature uniformity, so that reliable working of the automobile battery is maintained under a relatively good working temperature. The invention also provides a processing method of the heat dissipation device.

The invention relates to an LED lamp tube with a heat-dissipating function, comprising a housing and two connection blocks. A substrate and a plurality of LEDs are arranged in the housing. The side ofthe substrate far away from the LEDs is provided with a plurality of heat-dissipating components; each heat-dissipating component includes an opening, a sealing tube, a sealing plate, a heat-absorbing tube and a heat-dissipating block. When the LED lamp tube with the heat-dissipating function emits light continuously for lighting, the sealing plate is moved under expansion of heated air, and theheat-dissipating area of the heat-absorbing tube is enlarged. A heat transfer block gains contact with a heat-dissipating block to absorb heat, so that air in the heat-absorbing tube and in the heat-dissipating block is decreased; cooling of the substrate is facilitated, operation of the LEDs at a high temperature is avoided, the service life the LED lamp tube is extended, and the LED lamp tube ismore practical.

It is a semi-conductor laser side pump solid ribbon laser, which is characterized by the following: the laser activation medium is laser solid ribbon of cuboid thin slice; the output pump light from semi-conductor laser pump is shaped into an one-dimensional parallel light of quadrate section; the light beam diameter of the pump light along thickness direction is less than half of the laser solid ribbon thickness; the pump light goes into the laser solid ribbon from the side of the solid ribbon; the laser solid ribbon dissipate heat from upper and down surfaces.

The invention provides a semiconductor cooling refrigerator and a hot-end heat exchange device for the same. The hot-end heat exchange device comprises a hot-end heat transfer substrate, a plurality of radiation heat tubes arranged at intervals and radiating fins, wherein the hot-end heat transfer substrate is provided with a heat exchange surface in thermal connection with the hot end of a semiconductor cooling piece; each radiation heat tube is fixedly connected with the hot-end heat transfer substrate, and at least one end of each radiation heat tube is bent and extends to one side of the hot-end heat transfer substrate; the radiating fins are arranged at the parts, extending out of the hot-end heat transfer substrate, of the radiation heat tubes. According to the technical scheme, the radiation heat tubes are used for effectively conducting heat at the hot end, the radiating fins are used for enlarging the radiation area, and the characteristic that air is expanded when being heated and the density of the air is reduced is ingeniously used for automatically forming an air self-cycle to take away the heat of the fins, so that the working reliability of the semiconductor cooling piece is ensured; moreover, a machining process is convenient, and fit with a refrigerator structure is facilitated.

The invention discloses a PCB having a good heat-dissipation performance. The PCB comprises a PCB substrate. The PCB substrate comprises a substrate body. At least one side surface of the PCB substrate is provided with a heat-conducting layer having good heat conduction and insulating performances. The heat-conducting layer is tightly contacted with the substrate body. The other surface, opposite to the side surface provided with the heat-conducting layer, of the PCB substrate is provided with a circuit pattern. The heat-conducting layer having the good heat conduction and insulating performances is filled in the PCB, thereby improving heat-dissipation performance of the PCB; and heat from heating elements is diffused to the whole surface of the PCB through a heat conduction material, thereby improving heat-dissipation area and improving heat-dissipation efficiency. The invention also discloses a mobile terminal which adopts a main plate made from the PCB above, so that heat-dissipation performance is good and user experience of the product is good.

A radiator contains many fins and connecting plates among which, the fins include a radiating part and a joint part and the connecting plates are placed at the joint part between two adjacent fins and adhered to it. The process method is to utilize moulds to produce many connected fins on a metal strip continuously and generate many connecting plates then to cut the connected fins to single fins then take a certain number of fins and connecting plates and a melting device to adhere the joint parts of the fins increasing radiation are as of fins and their density.

A high-pressure heat treatment furnace, comprising a pressure vessel having a furnace container and a furnace cover closing the furnace container and allowing an internal pressure to be controlled, heat-insulating walls installed in the pressure vessel, opened oppositely to the furnace cover, and forming a heating chamber for storing a treated material therein, a heat-insulating cover driven to open and close the opening part of the heat-insulating wall, a heater installed in the heating chamber to heat the treated material, and a plurality of cooling fins installed on the inner surface of the furnace cover to cool gases in the pressure vessel.