47results about How to "Improve heat conduction speed" patented technology

The invention relates to a light emitting diode (LED) lamp. The LED lamp comprises a bracket, a constant-current driving power supply, an organic glass shell with light diffusion property, an aluminum-based circuit board and an LED patch, wherein the surface of an aluminum substrate of the aluminum-based circuit board is provided with a heat dissipation coating; and a gas filling material with high heat conducting coefficient is filled in a bulb. The heat dissipation performance of the LED lamp is promoted, the whole bulb emits light, and the cost is reduced; the weight is lightened, condensed water is prevented from being produced on the inner wall of the lamp, and glare is prevented; and the LED lamp has longer service life with lower cost and is more attractive and practical, so the LED lamp has the condition in the field of indoor illumination.

A thermally conductive module includes a base seat, a thermally conductive copper block and a heat pipe. A side face of the base seat is arranged an accommodation slot, a lateral side of which is arranged a fixing slot. The thermally conductive copper seat is inset into the fixing slot and combined therewith. The heat pipe has a heated section, on which a plane is configured and flush with the side face of the base seat, and which is accommodated by being clamped between the accommodation slot and the thermally conductive copper block. Thus, it is possible to effectively boost the thermally conductive speed and thermally conductive performance entirely.

The invention provides a high-thermal conductivity metal substrate and a fabrication method thereof, an LED module and the fabrication method of the LED module. The high-thermal conductivity metal substrate comprises a heat-conducting metal plate, wherein one part of at least one surface of the heat-conducting metal plate is oxidized to form an oxidized insulating layer; a conductive pattern layer and a heat-conducting bonding pad are formed on the oxidized insulating layer; and the oxidized insulating layer on the surface covered by the heat-conducting bonding pad is thinner than the oxidized insulating layer on the surface covered by the conductive pattern layer. The fabrication method comprises the following steps: forming a surface coverage protecting film of the heat-conducting bonding pad on the heat-conducting metal plate; carrying out first anodic oxidation on the heat-conducting metal plate to form the oxidized insulating layer; after removing the protecting film, carrying out second anodic oxidation on the heat-conducting metal plate; forming a connecting metal layer and a conductive metal layer on the surface of one side, formed with the oxidized insulating layer, of the heat-conducting metal plate; and etching the connecting metal layer and the conductive metal layer to obtain a circuit pattern and the heat-conducting bonding pad. According to the LED module provided by the invention, the cooling effect can be improved; and the service lifetime can be prolonged.

The invention discloses a living room wall screen which comprises a wall. The wall is of a hollow frame structure. The large surface of the wall is provided with cooling air outlets, and detachable air inlets are formed in the side face of the wall. A heating plate is arranged in the wall, radiators are arranged on the front large plane and the rear large plane of the heating plate, cooling fans are arranged on the surfaces of the radiators, and the heating plate and the cooling fans are electrically connected with a power source controller. According to the living room wall screen, an advanced high-heating graphene heating material is adopted, and indoor heating can be quickly achieved. The wall screen is simple in structure and reasonable in design and has the advantages of being easy to manufacture, low in cost, convenient to use and maintain, remarkable in heating effect and the like.

The invention relates to the technical field of architectural decoration, in particular to a wave-shaped luminous pass sleeve comprising an upper pass and side passes. The lower part of the upper passhas a two-stage step structure. The upper pass is provided with shielding strips with different lengths. The lower ends of multiple shielding strips are arranged in a wave shape. First human body induction lamp strips are arranged at the bottom of fixing blocks. Each side pass is provided with an installation groove, an arc-shaped locating groove and a lamp shell, and the lamp shell is provided with an arc-shaped locating block. The lamp shell comprises a rectangular bottom shell, an arc-shaped installing part, a rectangular cavity, a heat dissipating member, a reflective cover and a lamp panel with an LED lamp strip. A light-emitting groove, a groove and a light guide post are arranged on that lamp panel. A lamp cover is arranged on that lamp shell. The lamp housing is provided with elastic reverse buckles. The lamp cover is provided with elastic buckles. The wave-shaped luminous pass sleeve has the characteristics of good lighting effect without dazzling, convenient installation anddisassembling, high heat conduction speed, good heat dissipation effect and long service life.

The invention relates to a light emitting diode seat structure with a horizontal thermal diffusion member, comprising a seat body and a horizontal thermal diffusion member. The seat body is a co-fired multilayer ceramic base material with a first surface and a second surface, and the first surface and the second surface are respectively provided with a first heat conducting layer and a second heat conducting layer. Heat conducting bodies which are longitudinally and transversely mutually interlaced and connected are arranged in the seat body, and the heat conducting bodies are respectively in heat-conducting combination with the first heat conducting layer and the second heat conducting layer. The horizontal thermal diffusion member is provided with a first contact surface and a second contact surface, wherein the first contact surface and the second contact surface are in heat-conducting combination. By the longitudinal and transverse arrangement of the heat conducting bodies inside the seat body, heat energy generated by the light emitting diode can be acceleratively conducted to the horizontal thermal diffusion member, and then the heat energy is conducted out of the light emitting diode seat body via the horizontal thermal diffusion member. The light emitting diode seat structure combining the seat body and the horizontal thermal diffusion member can enable the seat structure to have better heat conducting efficiency.

The invention discloses a closing method of heat pipe, which is characterized by the following: swinging the opening end of thermal conductive pipe into extension segment with small segment pipe diameter to add and extract air for thermal conductive liquid; spinning the extension segment through mould; closing the extension pipe wall through rotating and squeezing the mould; intercepting the sealing segment; welding the closure to prevent thermal conductive liquid from leaking.

The invention discloses an anti-shock reinforced heat dissipation energy-saving LED light bar comprising a bar-shaped circuit board and a row of LED lights arranged on the bar-shaped circuit board. A heat dissipation layer is arranged at the bottom of a glass fiber board layer. Two copper plate electric leads are arranged on the upper surface of the glass fiber board layer in a spaced mode. The LED lights comprise light feet connected with the two copper plate electric leads correspondingly. Elastic heat conduction columns are arranged between the bottoms of the LED lights and the top face of the glass fiber board layer. Ventilation heat dissipation pipes located below the copper plate electric leads correspondingly are arranged in the glass fiber board layer. Arc-shaped lampshades are arranged above the LED lights. Clamping rings corresponding to the LED lights are arranged in the arc-shaped lampshades so as to limit the LED lights. In this way, according to the anti-shock reinforced heat dissipation energy-saving LED light bar, the tops of the LED lights are limited by the clamping rings, the bottoms of the LED lights are supported by the elastic heat conduction columns, anti-shock performance is good, the ventilation heat dissipation pipes can conduct ventilation forcibly so as to bring away heat of the glass fiber board layer, and heat dissipation of the copper plate electric leads is reinforced.

The invention discloses a connected graphite crucible applied to producing vanadium-nitrogen alloy products. The connected graphite crucible comprises a crucible body and a push plate. The crucible body and the push plate are of an integrated structure, wherein the crucible body and the push plate are perpendicular to each other and are coaxially connected. A coaxial crucible cavity is formed in the crucible body, and a coaxial push plate cavity is formed in the push plate. The top of the crucible cavity is flush with the top of the crucible body, the bottom of the crucible cavity is communicated with the top of the push plate cavity, and the bottom of the push plate cavity is located between the bottom of the crucible body and the bottom of the push plate. Preferably, the crucible body, the crucible cavity, the push plate and the push plate cavity are all cuboids. Both the crucible body and the push plate are made of graphite. By the aid of the design, the uniformity of force-bearing points can be guaranteed when the push plate and the crucible body are stressed, the defects such as front-back arching caused by dislocation are overcome, and no gas layer separation exists in the connecting position of the crucible body and the push plate. Heat conduction efficiency is high, the service life is long, and batch manufacturing is easy.

A permanent magnet brushless motor comprises a motor casing with a cavity, a motor upper cover with a sealing cover connected over the motor casing, a motor stator, a rotor shaft and a motor rotor driven by the rotor shaft. A motor body constituted by the motor stator, the motor rotor and the rotor shaft is fixedly mounted in the cavity of the motor casing. The motor upper cover has a shaft hole at the center thereof. The rotor shaft passes through the shaft hole of the motor upper cover and is sealingly connected with the motor upper cover in a relatively rotating manner. The cavity is filledwith an insulating heat conducting fluid. When the motor is running, the heat generated by the rotor is conducted to the motor casing or/and the inner wall of the motor upper cover by the heat conducting fluid. The design has the advantages of high heat dissipation efficiency, safety and reliability, and long service life.

The invention discloses a large-power LED lamp with high heat conduction performance, and belongs to the technical field of lighting devices. The LED lamp is the large-power LED lamp with the high heat conduction performance and aims to achieve the purposes that high heat can be dispersed quickly, and the heat dissipation effect is better. According to the technical scheme, the large-power LED lamp comprises a base plate, a reflective bowel is arranged above the base plate and fastened to the base plate, and the base plate is provided with three large-power LED lamp bodies; the top face and the bottom face of the base plate are provided with a plurality of copper coil, the copper coil of the bottom face of the base plate is provided with tin layers, and the LED lamp bodies are connected with the copper coil in an electric heat mode; the bottom faces of the LED lamp bodies are provided with insulation layers making contact with the copper coil, the portions, making contact with the LED lamp bodies, of the copper coil on the base plate are provided with heat dissipation guide holes. The inner cylindrical faces of the heat dissipation guide holes are further provided with copper coil, and the copper coil is connected with the copper coil on the top face and the bottom face of the base plate in an electric heat mode.

The invention provides a coffee pot base and a processing method thereof.The coffee pot base comprises a base body, and the base body is formed through high-pressure die casting; the base body is of a trapezoidal structure with a large bottom and a small opening, the inner wall structure and the outer surface structure of the base body are consistent, and the wall thickness is uniform; a composite aluminum plate is arranged at the bottom of the base body. The base body is formed through high-pressure die casting, the product density is higher, and the base can be used on gas stoves and induction cookers and is higher in heat conduction speed.

The invention discloses a high-thermal-conductivity aluminum-based circuit board and a preparation process thereof. The high-thermal-conductivity aluminum-based circuit board comprises a circuit board body, wherein the interior of the circuit board body comprises a fixed substrate, the upper end of the fixed substrate is fixedly connected with an electrical element, the lower end of the fixed substrate is fixedly connected with a heat dissipation block, the outer side of the heat dissipation block is fixedly connected with a first fixing colloid, the outer side of the first fixing colloid is fixedly connected with a heat dissipation frame, the heat dissipation frame is fixedly connected with the heat dissipation block through the first fixing colloid, the outer side of the circuit board body is fixedly connected with a third fixing colloid, the outer side of the third fixing colloid is fixedly connected with an edge sealing strip, the outer side of the edge sealing strip is fixedly connected with heat dissipation fins, a filling groove is formed in the edge sealing strip, the filling groove is filled with a heat dissipation medium, and a heat dissipation groove is formed in the heat dissipation frame. According to the high-thermal-conductivity aluminum-based circuit board and the preparation process thereof, the whole circuit board is prevented from being damaged due to overheating, an overall heat dissipation speed is increased, and therefore, overall service life is prolonged.

The invention relates to a heat dissipation device for a high-pressure mercury lamp of a projector. An air outlet of an axial flow fan and an opening at the large end of a third air guide cover are oppositely arranged; an airflow from the air outlet of the axial flow fan enters the third air guide cover; the angle of the large end of the third air guide cover is greater than the angle of the small end of the third air guide cover; an air inlet is positioned in the small end of the third air guide cover; when the airflow flows out through the air inlet in the third air guide cover, the flow speed and the air pressure are increased; the air outlet is just aligned to the second end on a lamp tube; therefore, the heat conduction speed at the second end is increased; the heat dissipation efficiency at the second end is relatively high; the airflow enters a first air guide cover through the air inlet; the small end of the first air guide cover is closed; the airflow only can flow out through the opening at the large end of the first air guide cover; the opening at the large end of the first air guide cover and a lampwick on the lamp tube are oppositely arranged; the airflow from the opening of the large end of the first air guide cover directly blows the lampwick; therefore, air at the lampwick and the first end is accelerated to flow; and thus, the heat conduction speed at the lampwick and the first end is increased.

The invention discloses an electric heating vacuum drying bin. The electric heating vacuum drying bin comprises a drying bin, a heat insulating layer, a sealing cover and a conducting ring. The dryingbin comprises a bin body, an exhaust pipe, the sealing cover, electric heating devices, a transmission shaft and a bracket. Power of an external power source is transmitted to the electric heating devices through the conducting ring, the electric heating devices adjust the electric heating power according to the temperature needed in the material drying process, and the accurate temperature control of the electric heating devices can meet the temperature requirement of materials in the material drying processing process. Heat generated by the electric heating devices is directly conducted toheat the materials in the drying bin, the heat conducting speed is increased by 3-10 times, the efficiency of drying the materials in the drying bin is improved, and the purpose of rapidly drying thematerials is achieved. When one electric heating device is damaged and leaks, only the electric heating device does not work, and the use of the whole electric heating vacuum drying bin is not affected. The electric heating vacuum drying bin has a simple structure, and the heating temperature can be accurately controlled.

The invention relates to the technical field of building decoration, and particularly discloses a lobby passage opening luminous decorative frame with soft light rays. The lobby passage opening luminous decorative frame comprises an upper pass and side passes. Mounting grooves are formed in the side passes, and arc-shaped positioning grooves are oppositely formed in the tops and the bottoms of themounting grooves. Transverse sliding grooves are formed in the side passes. Lamp shells are arranged in the mounting grooves, and arc-shaped positioning blocks are arranged at the two ends of the lamp shells. The lamp shells comprise rectangular bottom shells and arc-shaped mounting parts. Rectangular cavities are formed in the rectangular bottom shells, cooling fans are arranged at the two endsof the rectangular cavities correspondingly, and cooling parts are arranged on the side portions of the rectangular cavities. Reflecting covers are arranged on the surfaces of the arc-shaped mountingparts, and provided with lamp discs with LED lamp strips. Lampshades are arranged on the lamp shells and comprise lampshade main bodies and diffusion plates, and the diffusion plates are provided witha plurality of hemispherical lenses. The lobby passage opening luminous decorative frame has the characteristics that the lamplight effect is good, dazzling is avoided, mounting and dismounting are both very convenient, the heat conduction speed is high, the cooling effect is good, and the service life is long.