370results about How to "Helps dissipate heat" 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.

The invention discloses an optical engine for time-sharing work of P and S light, which comprises at least two light sources, wherein at least one light source is converted into the S light, and the other light sources are converted into the P light. The S light and P light enter an imaging LCD light valve modulator in a time-sharing mode, and the imaging LCD light valve modulator makes the S light and P light pass through an analyzer by time-sharing incidence through image processing, and present the same plane or stereoscopic image. The at least two light sources pass through at least two conversion elements of a PBS converting mechanism and conversion elements, and the converted etendue is constant, namely, the P light or the S light emitted by the two light sources is input in the same plane area. The at least two light sources comprise an LED or a laser semiconductor light source or a VHP or a metal halide light source. The S light and the P light enter the imaging LCD light valve modulator in the time-sharing mode, pass through the analyzer by time-sharing incidence and can present the same plane or stereoscopic image. Therefore, the conversion loss of polarized light of the light sources is minimized, the lighting effect is improved, the slot time of the light sources can be utilized, the instantaneous power of the light sources is increased, and the optical output brightness is improved.

The present invention is a double-purpose deformable welding fixture for welding linear and curved weld seams, and the fixture has linear welding slot and curved welding slot integrated onto one pedestal to reach the double-purpose aim. The double-purpose deformable welding fixture consists of one pedestal height difference structure comprising one thickness difference step and one height regulating tab for fitting different welding thickness, and one clamping screw mechanism comprising right and left pressing boards with screw holes and corresponding cap screws. It can regulate clamping force and control welding deformation by means of novel flexible location mode, and is suitable for linear and curved welding of common steel plate, high strength steel plate, aluminum plate, etc of different sizes.

The invention provides an air conditioner. The air conditioner comprises a condenser, a water beating device and a guiding device, wherein a water receiving tank is arranged below the condenser; the water receiving tank is used for storing condensed water formed by the air conditioner; the water beating device is positioned in the water receiving tank below the condenser; the water beating deviceis used for enabling the condensed water in the water receiving tank to splash; the guiding device is connected with the upper end of the condenser and is used for guiding the splashed condensed waterto the upper part of the condenser. By the adoption of the technical scheme, the condensed water in the water tank is enabled to splash by the water beating device, and the condensed water splashed to the guiding device flows through the surface of the condenser in a reasonable path to cool the condenser on the premise the wind resistance of the condenser is not influenced, so that the working efficiency of the condenser is improved, the noise generated when water drops collide with the peripheral area of the condenser is effectively avoided, a water bridge formed when larger water drops aresplashed to fins of the condenser is avoided, and thus the resistance of air flowing through the condenser is increased.

The invention discloses a grinding wheel special for a rail grinding train and a manufacturing method of the grinding wheel, and relates to the technical field of manufacturing of grinding wheels. Thegrinding wheel special for the rail grinding train comprises, by weight, 25-35 parts of modified zirconia alumina, 35-55 parts of modified brown fused alumina, 9-15 parts of mixed resin, 3-5 parts ofaluminum oxide hollow balls, 1.5-8 parts of pyrite powder, 1-6 parts of cryolite powder, 0.5-5 parts of barium sulfate powder, 0.5-4 parts of calcium carbonate powder, 0.5-4 parts of graphite powder,3-6 parts of copper powder and 1-8 parts of fiber-reinforced materials, wherein the modified zirconia alumina and the modified brown fused alumina are fused alumina zirconia and brown fused alumina which are dried after being soaked in a KH550 alcohol solution with the concentration of 3-10wt%. The grinding wheel special for the rail grinding train is high in strength, good in tenacity, good in self sharpness and high in grinding capacity; blockage is unlikely to occur in the grinding process; a steel rail is unlikely to be burnt in the polishing process; and the steel rail has good surface quality after being polished by the grinding wheel.

The invention relates to a truck tire, in particular to a tire tread pattern structure of a truck tire. A tire tread of a cargo truck comprises a central longitudinal circumferential pattern groove which is arranged at the position of a longitudinal center line of the tire tread and enables the tire tread to be evenly divided into two symmetrical parts in a left-right mode. Side part pattern blocks and tire shoulder pattern blocks are sequentially arranged on two sides of the central longitudinal circumferential pattern groove form interior to exterior. The side part pattern blocks and the tire shoulder pattern blocks are separated by an auxiliary longitudinal circumferential pattern groove. Each two adjacent side part pattern blocks along the circumferential direction are separated by an auxiliary pattern groove. The central longitudinal circumferential pattern groove and the auxiliary longitudinal circumferential pattern groove are respectively in a wave shape. Two ends of each auxiliary pattern groove are respectively communicated with the central longitudinal circumferential pattern groove and the auxiliary longitudinal circumferential pattern groove. The side part pattern blocks on two sides of the central longitudinal circumferential pattern groove are in point symmetry and arranged in a vertically staggered mode. The tire shoulder pattern blocks are integral pattern blocks. According to the tire tread of the cargo truck, mixed patterns are adopted. The tire tread of the cargo truck has sufficient braking force and good operational properties, and is attractive.

The invention provides a two-sided laser processing method for PCB array micropores. The two-sided laser processing method comprises the following steps that S1, ablation threshold values of all material layers, needing to be processed, of a PCB are tested; S2, the PCB is fixed to an ultra-precise platform, and the rotation angle of the ultra-precise platform in the u direction is set; and S3, a laser beam is emitted by a laser device and divided into two beams by a laser dividing module, and then, the laser beams pass through a reflecting mirror and a focusing module in sequence so that the front face and the back face of the PCB clamped to the ultra-precise platform can be subjected to laser micropore processing correspondingly. The two-sided laser processing method has the advantages ofbeing high in efficiency and precision, low in cost and the like.

The invention discloses an LED street lamp, with the purpose of providing an integrated heat radiating LED street lamp which has good heat radiation effect, and prolongs the service life effectively. The invention comprises a metal rear cover (1), a base plate (2), a non light tight front cover (6), and a plurality of LEDs (7), wherein, a plurality of LEDs (7) are installed in the base plate (2), and are arranged in the cavity surrounded by the rear cover (1) and the front cover (6) together with the base plate (2), a heat radiator is arranged between the base plate (2) and the rear cover (1), the heat radiator comprises a heat conducting back plate (3), a plurality of heat conducting ribs (4), wherein, the heat conducting back plate (3) and the inner surface of the rear cover (1) contact tightly and have adaptive shapes, and the upper part and the lower part of the heat conducting ribs (4) are respectively connected with the back plate (3) and the base plate (2). The invention can be widely applied to the outdoor illumination field.

The invention discloses a GaN-based light emitting device for a gapless bonding process and a preparation method thereof. Absolute separation among GaN-based unit light emitting devices is realized by removing part of GaN epitaxial layers by dry etching and gashing the GaN epitaxial layers by laser; a passive film wraps side wall of the light emitting device to ensure the absolute electrical disconnection between the device and a depth compensation film; by depositing the depth compensation film in a groove formed in the mutually separated unit GaN-based light emitting devices, the deposition depth is flush with table tops at two sides to form a plane with same height, thus realizing the gapless bonding between the GaN-based light emitting devices and a support part, reducing the crack rate in the laser stripping course and enhancing the yield; and the depth compensation film is a metal material with high reflectivity and is reserved on the side wall part of the light emitting devices, thereby reducing the light loss of the side wall of the light emitting devices and improving the light emitting efficiency of the devices, and being helpful to heat emission of the devices.

The invention discloses a cabin radiating device for an energy-saving communication base, which comprises a heat pipe bundle consisting of a plurality of heat pipes. An evaporation segment and a condensation segment of each heat pipe are respectively positioned at interior and exterior of a cabin; the exterior of the cabin is provided with a water tank internally provided with water; the condensation segment of each heat pipe is arranged bellow the water surface of the water tank. The cabin radiating device arranges the condensation segment at the lower end of the water surface of the water tank outdoor; a work substance in each heat pipe absorbs the heat produced by a heat generator in the cabin in the evaporation segment and brings the heat to the condensation segment extending into the lower end of the water surface of the water tank; the work substance is condensed and releases heat to the water in the water tank; then the water carries out heat exchanging with air by the wall face of the water tank and a radiated ribs on the wall face so as to achieve the purpose of fast radiation; therefore, the device has the advantages of simple structure, small maintenance workload, low energy consumption and no pollution to environment.

The invention belongs to the technical field of braking and in particular relates to a double brake system based on a crank-slider mechanism. The double brake system based on the crank-slider mechanism comprises a first brake mechanism, a brake disc, a rotating shaft and a second brake mechanism, wherein a hydraulic cylinder extends so that brake pads are in friction with a brake disc for braking;through the working of a hydraulic motor, a first shaft can rotate in a reciprocating manner so as to enable a swinging plate to swing in a reciprocating manner; and finally, the two brake pads can be alternately in friction with the brake disc for braking; the alternate braking of the two brake pads are conducive to heat radiation of the brake pads and reduction of wears; in addition, the two brake pads can be simultaneously in friction with the brake disc for braking so as to realize an emergency stopping effect. The double brake system based on the crank-slider mechanism has the advantagesof simple structure and better use effect.

The invention discloses a battery state analysis method and device based on vehicle networking, a computing device and a computer storage medium, wherein the method comprises the following steps of: receiving vehicle basic information sent by a vehicle end, battery basic information and battery detection information collected by a battery detection sensor; analyzing the battery detection information according to the battery state analysis model in a cloud server, the vehicle basic information and the battery basic information to obtain a battery state analysis result; determining a target battery state according to the battery state analysis result; and sending the target battery state to the vehicle end for the vehicle end to execute corresponding operation according to the target batterystate. According to the technical scheme, the management and monitoring of the battery system in the vehicle end are achieved through the cloud server, the manufacturing cost of a vehicle-mounted controller can be effectively reduced, the safe operation of the whole vehicle is ensured in real time, the expansibility and portability of the system are improved, and the maintaining and upgrading areconvenient.

The invention discloses an efficient heat radiation device which comprises a heat radiation baseplate, wherein at least one hydrophilic layer is laid on a heat radiation surface of the heat radiation baseplate; and the efficient heat radiation device further comprises a liquid supply device for supplying evaporated liquor to the hydrophilic layer. When the device is in use, the evaporated liquor in the hydrophilic layer is evaporated under high temperature, and then heat on the heat radiation surface of the heat radiation baseplate is taken away under the action of evaporation of the evaporated liquor, so that temperature is lowered quickly, and the temperature difference is improved remarkably; meanwhile, evaporation of the evaporated liquor occurs in the space of the whole heat radiation baseplate, so that airflow produced by evaporation and humidifying of the evaporated liquor is helpful to heat radiation of peripheral devices; and for different heat radiation occasions, the efficient heat radiation device can be additionally provided with various auxiliary devices, such as a liquid homogenizing device, a liquid taking chamber and a liquid taking control device. Based on the conventional efficient heat radiation device, the hydrophilic layer and an infusion tube of the efficient heat radiation device can be slightly improved and can be redesigned and remounted, so that the cost is lower, and the structural design is very simple.

The invention relates to the field of the laser technology, and provides a laser beam pulse time sequence synthesizer based on diffraction gratings. The laser beam pulse time sequence synthesizer based on the diffraction gratings comprises a plurality of pulse laser sets and the gratings corresponding to the pulse laser sets, wherein when one grating moves to the work position of the corresponding pulse laser set, a synchronous control device sends an instruction to the corresponding pulse laser set and triggers the pulse laser set to output pulse laser, so that the pulse laser enters a preset main optical path under the diffraction action of the grating, and moreover, the grating does not prevent pulse laser output by other pulse laser sets from entering the main optical path when not in the work positions of the pulse. The laser beam pulse time sequence synthesizer based on the diffraction gratings integrates the spectrum synthesis technology and the mechanical time sequence synthesis technology, increases the number of synthesis paths of pulse laser and keeps good light beam quality on the premise of not reducing sub-laser wavelength intervals or the number of the diffraction gratings.

A microlithographic projection exposure apparatus has a mirror array having a base body and a plurality of mirror units, each of which comprises a mirror and a solid-state articulation, which has at least one articulation part that connects the mirror to the base body. A control device makes it possible to modify the alignment of the respective mirror relative to the base body. Mutually opposing surfaces of the mirror and of the base body, or of a mirror support body connected to it, are designed as corresponding glide surfaces of a sliding bearing.

The present invention relates to a semiconductor packaging structure and a method for fabricating the same. The semiconductor packaging structure includes a semiconductor chip, a packaging layer, a dielectric layer, a wiring layer, and a metallic foil. The semiconductor chip has an active surface, an inactive surface opposing the active surface, electrode pads formed on the active surface, and metal bumps formed on the electrode pads. The packaging layer encapsulates the semiconductor chip and exposes the active surface. The dielectric layer is formed on the active surface and a surface of the packaging layer at the same side with the active surface, and has wiring pattern openings for the metal bumps to be exposed therefrom. The wiring layer is formed in the wiring pattern openings. The metallic foil is disposed on the packaging layer adjacent to the inactive surface. Metallic protrusions are formed on the metallic foil, and penetrate the packaging layer to extend to the inactive surface of the semiconductor chip. The Semiconductor packaging structure and the method of fabricating the same can effectively improve the problems that the prior semiconductor packaging structure is too thick and is bad in reliability.

The invention discloses a high-voltage and low-voltage wiring split-type high-voltage cabinet, which includes a cabinet body, a fan installation box is fixed on the top of the cabinet body, and a component installation plate is arranged inside the cabinet body, and one side of the component installation plate is below There are high-voltage line branching structures and low-voltage line branching structures arranged up and down, and a distance adjustment structure is provided between the high-voltage line branching structure and the low-voltage line branching structure, and the structures of the high-voltage line branching structure and the low-voltage line branching structure are consistent , and the high-voltage line branching structure includes a movable rod located in the cabinet, a pressure rod is arranged above the movable rod, and symmetrically arranged L-shaped connecting rods are fixed at both ends of the pressure rod. The present invention not only can separate the high-voltage wiring and the low-voltage wiring through the combined use of the high-voltage line branching structure, the low-voltage line branching structure, and the distance adjustment structure, but also the wiring is orderly and tidy, thereby avoiding the messy winding of the high-voltage and low-voltage wiring and reducing the fire risk.

The invention relates to a novel efficient cooling column for circulation of cooling water, belonging to the technical field of cooling columns. The cooling column comprises a column body, wherein the top of the column body is provided with an air outlet and a fan; a spraying device is arranged below the fan, and is internally provided with a water intake pipe; a packing layer is arranged below the spraying device; the spraying device is externally connected with a refrigerating device; a water collecting region is arranged below the packing layer; the bottom of the water collecting region is provided with a water guide pipe which is internally provided with a temperature sensor; the lower end of the water guide pipe is connected with two distributary end openings; the first distributary end opening is connected with the cooling water input end of the refrigerating device; the output end of the refrigerating device is connected with the spraying device; the second distributary end opening is directly connected with the spraying device. According to the novel cooling column, the standard cooling water can be separated from continuous circulation cooling water, so that water entering the refrigerating device is low-temperature water; the energy efficiency ratio of the refrigerating device is improved; meanwhile, the normal manufacturing cost of the cooling column is ensured; the problem of high cooling difficulty of low-temperature cooling water is solved.

An LED light source has a housing with a bottom. A core protrudes from the bottom and is generally cylindrical and surrounded by a tube. The core and base are arranged about the longitudinal axis. The circuit board in the bottom supports the LEDs. Each LED and a tube are optically positioned one by one on one end of the core. A heat sink is positioned in thermally conductive relationship with the printed circuit board and a first reflector is attached to the other end of the core. To guide the light emitted by the LEDs from the light source to the reflector, the inside of the tube can be coated with a highly reflective material. In one embodiment, each tube mounts a light guide, each light guide extending from a location above one LED to a location near the reflector.

The invention discloses a scratch-resistant black heat transfer printing ink and a preparation method thereof. The printing ink comprises the following components in percent by weight: 25-35 percent of epoxy resin, 5-8 percent of phenolic resin, 3.5-5.0 percent of a curing agent, 45-60 percent of a heat conducting filling material, 10-12 percent of a coloring agent and 0.5-0.7 percent of an additive. The printing ink has a rigidity larger than 6 H after being roasted and pressed to meet the scratch-resistant requirement of Al-based copper-clad plate production and manufacturing, has the thermal conductivity reaching 1.5 W to facilitate the radiating of an Al-based copper-clad plate compared with an anodic oxidation film and a PET protecting film, and has a maximum bearing temperature of 230 DEG C and maximum pressure of 100 kg / cm<2>, and therefore, a novel method for using the heat transfer printing ink is found, the radiating function of the Al-based copper-clad plate is not affected while the aluminium surface is prevented from scratching. The heat transfer printing ink is a new measure for protecting the aluminium surface of the Al-based copper-clad plate.

The invention discloses a combination device with a radiating device, wherein the radiating device is composed of a plurality of cylinder bodies made from heat conduction materials, one end of each of the plurality of cylinder bodies is combined with a heating element to be processed so as to appear in a radial cone solid structure, an auxiliary radiator is further arranged on the radiating device to increase the superficial heating area; the radiating device and the auxiliary radiator are made by combining components which are made of various materials and have different appearances and structures, wherein the components are made by various, the changes on the appearance and the structure can enlarge the superficial area contacting with the air, thereby being helpful for radiating; and the composite of a plurality layers of heat conduction material can contribute to the heating effect. According to the radiating device, the heating convection space is large with no blind angle, and the heating effect is good, so that the heating elements can be protected so as not to be damaged.

The invention discloses a multi-angle heat dissipation power distribution cabinet, which relates to the technical field of power equipment, and mainly aims to solve the problem of poor heat dissipation effect of an existing power distribution cabinet. The cabinet comprises a cabinet body and a heat dissipation unit used for dissipating heat of elements in the cabinet body, ventilation nets are installed on the two side walls of the cabinet body, the heat dissipation unit comprises a first motor, a rotary disc, a movable rod, a heat dissipation pipe, a first connecting rod and a heat dissipation plate, and an installation plate used for installing the elements is installed on the lower portion of an inner cavity of the cabinet body in a sliding mode; a damping unit is connected between theinstallation plate and the bottom of the cabinet body, the damping unit comprises a second connecting rod, a rack, a gear, a threaded rod, a supporting plate and a damping spring, a heat dissipation unit is arranged to drive a heat dissipation plate and a heat dissipation pipe to swing around the top end of a movable rod, the heat dissipation angle is continuously changed, and the heat dissipationrange is expanded. The heat dissipation plate is driven by the first connecting rod to swing around the end connected with the movable rod, so that the heat dissipation angle of the heat dissipationplate is further continuously changed; and the damping units are arranged, so that the damping effect is better.

The invention relates to an air conditioner, comprising a main body, a filter, a cleaning device, a processing device, a control part and a guiding device. The main body is provided with an air suction part and an air exhaust part; the filter is arranged on the main body and used for filtering impurities in the air absorbed by the air suction part; the cleaning device is used for cleaning the impurities in the filter; the processing device is communicated with the cleaning device and is used for collecting impurities and exhausting air after absorbing the air and the impurities; the control part is installed on the main body; and the guiding device is used for guiding the air exhausted from the processing device to the external direction of the control part. According to the invention, thedamage of the control part caused by the air exhausted from the processing device can be prevented.

The invention discloses a preparation method of an AlGaN-based 3D flip-chip MSM array ultraviolet detector, and belongs to the technical field of semiconductors; the preparation method comprises the following steps of (1) growing an AlXGa1-XN ultraviolet light absorption layer on a substrate in an epitaxial growth manner; (2) performing photoetching on the AlXGa1-XN ultraviolet light absorption layer to form a groove; (3) depositing an interdigital electrode in the groove of the AlXGa1-XN ultraviolet light absorption layer; (4) polishing the back surface of the substrate; (5) manufacturing a substrate circuit by adopting a layout on the substrate; (6) manufacturing a welding micro-convex point on the substrate circuit; and (7) enabling the ultraviolet detector to be inverted, and enablingpad regions at the two ends of the interdigital electrode to be connected with the micro-convex point in a welding mode. The method is simple in manufacturing process, mature in flip welding technology, low in cost and easy to implement, and large-scale popularization can be realized; and the interdigital electrodes are deposited in the grooves in the absorption layer, so that the migration time of the photo-generated carriers is shortened, the migration speed and the collecting efficiency of the carriers are improved under the action of an external electric field, the sensitivity of the detector is improved, and the response time is shortened.

A stereo - stack type of packaging structure is prepared as stacking the first and the second elements back to back together , utilizing the rewiring technique to span - wire metal pads the first and the second element surface to edges of the first and the second elements , using a conductive column to connect through electricity of top and bottom for carrying out signal transmission between two elements , then utilizing conductive lug on the second element and printed circuit to carry out signal transmission .

The invention discloses an LED (Light Emitting Diode) heat dissipation device and an LED vehicle headlamp comprising same. The LED heat dissipation device comprises a first heat dissipation body and a heat dissipation tube; the first heat dissipation body is connected with an LED circuit substrate; the heat dissipation tube which is connected with the first heat dissipation body is provided with an enclosed inner chamber; the inner inside of the tube wall of the heat dissipation tube is provided with a plurality of axial straight grooves; and one end of the heat dissipation tube is provided with a second heat dissipation body. Refrigerant which is in a fluid state is arranged inside the LED heat dissipation device, so that a rapid heat dissipation loop can be formed and the heat dissipation effect is good. A distance between the first heat dissipation body and the second heat dissipation body can be appropriately increased, so that the LED heat dissipation device can be utilized in light emitting lamp groups of various traditional lamps. A tubular housing of the LED vehicle headlamp and the LED heat dissipation device are formed into a close connection relation by a grooving and center hole drilling way, so that the LED vehicle headlamp is beneficial to heat dissipation of LED lamp beads. Compared with the traditional 100 W halogen vehicle lamp, the LED vehicle headlamp only needs the power consumption of 18 W.