194results about How to "Uniform heat dissipation" patented technology

A heat dissipating device includes a heat sink (10), a heat pipe (20), a heat reservoir (30) thermally connecting with the heat sink through the heat pipe, and a fan (40) generating an airflow through the heat sink. The heat pipe includes an evaporating portion (202) attached to the heat sink and a condensing portion (204) attached to the heat reservoir. The heat reservoir is made of metal containing working medium, such as water, therein. The heat reservoir stores or releases heat based on the amount of heat generated by the CPU to realize a compensation to the increase or decrease of temperature of the CPU, whereby the change rate of the temperature of the CPU from idle to busy condition and vice versa can be more stable.

The invention provides a battery system, and belongs to the technical field of batteries. The battery system comprises a case, a plurality of sections of battery cells, a temperature collecting probe, a BMS (battery management system), a heating and refrigeration assembly, a liquid flowing pipeline, a heat conduction medium and a water pump, wherein the liquid flowing pipeline passes through a gap formed among the plurality of sections of battery cells; the water pump drives the heat conduction medium to realize circulation flowing inside the pipeline; the temperature collecting probe and the heating and refrigeration assembly are electrically connected with the BMS; the BMS controls the heating and refrigeration assembly to work according to the temperature information feedback by the temperature collecting probe; the heating and refrigeration assembly and the liquid flowing pipeline perform heat exchange through a water cooling head so as to realize the heating and the refrigeration on the heat conduction media inside the liquid flowing pipeline; the whole temperature control system is directly controlled by the BMS. The battery system is provided with the temperature collecting probe, the heating and refrigeration assembly and the BMS; the environment temperature of the battery cells is regulated through controlling the temperature of the heat conduction media inside the liquid flowing pipeline, so that the battery cells always work in a set temperature range.

An object of the present invention is to provide a cooler for cooling both sides (top and bottom surfaces) of a semiconductor device, wherein the variation of pressing force on flat cooling tubes holding a semiconductor device is reduced, thereby uniformly dissipating the heat generated by the semiconductor device. When the holding plates press the flat cooling tubes and semiconductor modules by tightening the nut, the dimensional tolerances in the stacking direction are absorbed by the deformable portions in the inlet and outlet headers. A spacer may be employed inside the flat cooling tubes in order to suppress the deformation of the flat cooling tubes along the stacking direction.

The invention discloses a new energy power battery. The new energy power battery comprises a battery box upper cover, a power battery module and a battery box lower casing, wherein the power battery module comprises an electric core bracket, more than two electric cores and an aluminum casing clamp plate; the electric cores are arranged in the electric core bracket, and the two outermost sides of each electric core are tightly attached to the aluminum casing clamp plate. The new energy power battery is characterized in that Lvte cotton is adhered to one surface of each electric core, and a silica gel sheet is adhered onto an electrode lug of each electric core; after the two electric cores are adhered with the Lvte cottons and the silicon rubber sheets, a heat conduction graphite sheet is adhered onto the surface, adhering with the Lvte cotton, of one electric core, a heating plate is arranged between the two electric cores, and the two side surfaces of the heating plate are respectively adhered with the Lvte cotton surfaces; a temperature sensor is connected with the heat conduction graphite sheet; a water cooling system is arranged at the exterior of the battery box lower casing, and a connecting structure of positive and negative electrode lugs of each electric core adopts laser welding or riveting type. The new energy power battery has the advantage that the water cooling heat radiating and heating functions are simultaneously realized.

The invention provides a passive solar house structure, and belongs to the field of buildings. A solar collector is arranged on an outer wall, facing the sun, of a solar house, a large number of cavities are arranged in heat storage walls or/and heat storage plates, water paths circularly flowing in the cavities in the heat storage walls or/and the heat storage plates are connected with the solar collector and a low-temperature water path through valves respectively, a water outlet of the solar collector is connected with the cavities in the heat storage walls or/and the heat storage plates or a bypass water supply pipeline through valves, and a water inlet of the solar collector is connected with a tap water pipe or a water hose. Water pipes are arranged in the heat storage walls or/and the heat storage plates so that the temperature in the room in winter can be raised, the room temperature in summer can be lowered, the requirements for heating in winter and refrigerating in summer in the room can be met, temperature of living water is intelligently controlled, the temperature can be kept constant, and the room is comfortable.

The invention discloses a dual-motor inverter comprising a main box, a first power module, a second power module, an AC plug, a first metal bracket, a second metal bracket, a first driving board, a second driving board, a DC busbar assembly, a DC bus capacitor and a control board. The dual-motor inverter of the invention is mainly used for controlling a wheel motor or a hub motor, a cooling structure adopts parallel cooling, and the balanced cooling and heat dissipation ability of the two power modules can be ensured. A conductive terminal of the AC plug passes through a current sensor to be directly connected to the power module, an AC transition copper bar is omitted, the assembly space and the required cost of the inverter are greatly reduced, thus the dual-motor inverter has the characteristics of high integration, a compact structure, good heat dissipation effect and balanced cooling capability, high electromagnetic compatibility and convenient and fast operation, and especially the requirements of controller layout and high reliability of a new energy vehicle driven by the hub motors or the wheel motor are satisfied.

A tank type high-pressure vacuum circuit breaker solves the problems that a structure integrally and solidly sealing a silicon rubber insulator with an arc extinguish chamber is complex in manufacturing process and incapable of allowing the arc extinguish chamber to be replaced independently, and the vacuum arc extinguish chamber directly mounted in high-pressure insulating gas bears high pressure. The tank type high-pressure vacuum circuit breaker is characterized in that a cavity between a vacuum arc extinguish chamber and a large insulating cylinder and a cavity between a small insulating cylinder and an operational insulating rod are communicated with each other to form a closed low-pressure gas compartment filled with 0-0.1MPa dried air or nitrogen, and a cavity between the large insulating cylinder and a tank and a cavity between the small insulating cylinder and the tank form a closed high-pressure gas compartment filled with 0.15-0.6MPa dried air or nitrogen. The tank type high-pressure vacuum circuit breaker has the advantages that the vacuum arc extinguish chamber is operated in the low-pressure gas compartment so as to be protected effectively, and the high-pressure gas compartment guarantees insulating performance of the circuit breaker, so that only the vacuum arc extinguish chamber needs to be replaced singly if the vacuum arc extinguish chamber fails.

The invention relates to a growth device and a growth method for a sapphire crystal hemisphere cover by employing an edge-defined film-fed crystal growth method. The method specifically comprises the following main steps: respectively introducing a protective gas and a cooling gas into a crystal growth furnace and a cooler pan; heating the crystal growth furnace until a high-purity aluminum oxide material is fused; adjusting a hoist pan, so that aluminum oxide melt ascends to the top end of a mold along a center through hole and an annular capillary fissure in the symmetric axis of the mold; descending seed crystal to fuse with the aluminum oxide melt; under the action of affinity and surface tension, enhancing radiation heat exchange between a growth interface and the gas cooler pan by adjusting the flow of the cooling gas in the cooler pan, so as to quicken the expansion of the crystal; and finally limiting the expansion of the crystal by the top edge of the mold. The growth device has the advantages that supply of the melt in the mold is adjusted by controlling the relative positions of the mold and the crucible; continuous providing of the melt in the capillary fissure is ensured, so as to realize continuous growth; and a hexagonal annular cooler pan is prevented from being carbonized to deform by employing the cooling gas.

A heat-dissipating device comprises a heat-dissipating member, at least one heat-dissipating fan, and a rotation control unit. The heat-dissipating member has an airflow chamber inside and includes a plurality of air-guiding holes in communication with the airflow chamber. Each of the at least one heat-dissipating fan has two air-guiding portions, wherein one of the air-guiding portions is aligned with one of the air-guiding holes of the heat-dissipating member. The rotation control unit communicates with and controls the at least one heat-dissipating fan. Accordingly, the heat-dissipating device with a dust auto-removing function can provide a balanced heat-dissipating effect.

The invention relates to the technical field of machining, and discloses a centerless grinding machine for tungsten-steel rod diameter processing. The centerless grinding machine comprises a grindingwheel and a guide wheel which are mounted on a grinding machine base, wherein the grinding wheel and the guide wheel rotate through transmission of a transmission shaft; a splicing grinding wheel stone bar is arranged on an anti-jumping plate for grinding and limiting above a tungsten-steel rod, so that on one hand, single-point grinding of the tungsten-steel rod is changed into dual-point grinding, the tungsten-steel rod is supported in multiple directions in a grinding process, the tungsten-steel rod is more stable during grinding, jumping, in the perpendicular direction, of the tungsten-steel rod is reduced, and grinding amount at the two ends of the tungsten-steel rod is guaranteed to be consistent; secondly, the splicing grinding wheel stone bar can share one part of grinding effect,so that one part of grinding amount of the grinding wheel is shared, and therefore, the tungsten-steel rod is grinded in multiple directions simultaneously, and grinding effect is more uniform and ismore stable; and meanwhile, abrasion loss on front and rear ends of the grinding wheel is relatively uniform, and effective grinding time, on the tungsten-steel rod, of the grinding wheel can be keptall the time, so that grinding effect is improved.

The invention discloses a monolithic macro-channel heat sink for a semiconductor laser. The monolithic macro-channel heat sink comprises a heat sink body, wherein the heat sink body is provided with a chip installation region and a water cooling region; the chip installation region is positioned at one end of the heat sink body; the water cooling region is positioned in the position near the chip installation region; the water cooling region is provided with a grid which penetrates through the heat sink body; the grid is composed of at least two parallelly-arranged grid holes; each grid hole comprises two mutually parallel side walls, and a connecting end for connecting the two side walls. The monolithic macro-channel heat sink has an efficient and uniform heat radiation effect. The invention further correspondingly provides the semiconductor laser with the monolithic macro-channel heat sink.

The invention belongs to a technique for coating the surface of an object with a liquid or other fluids, and concretely relates to a fabric coating technology. The technology comprises the following steps: 1, preparation of coating agent ingredients; 2, preparation of a coating agent; 3, coating of transfer paper; 4, flattening of a base fabric; 5, transfer of the obtained coating layer; 6, cleaning of an upper roller; 7, drying; and 8, rolling. The base fabric is effectively prevented from crumpling in the coating process.

The invention relates to a cooling and sterilizing process for a protein preparation and a special horizontal type shaking table thereof. In the prior art, a sterilizing device for the protein preparation has the defects of poor stability and difficult control of parameters. The special shaking table comprises a cycloidal pin wheel speed reducer, a driving motor and a shaking table, wherein an eccentric outer gear, an eccentric inner gear, a gear shaft sleeve and a left gear base are fixedly arranged on the cycloidal pin wheel speed reducer and an output shaft of the driving motor; the left gear base is connected with one end of a regulating lead screw; the other end of the regulating lead screw is connected with a right bearing base; a shaking amplitude adjustment device is connected with the bearing base and one end of a shaking oscillating bar; the other end of the shaking oscillating bar is connected with one end of a rotating shaft of the shaking oscillating bar; and the other end of the rotating shaft of the shaking oscillating bar is connected with the shaking table by a transmission device in a shaking table cylinder body. The special horizontal type shaking table has a reasonable and compact structure, is reliable in strength, rigidity and toughness of key positions, small in assembly stress of parts and high process performance, process parameters are easy to control, and the optimal bacteriostatic effect can be achieved.

The invention provides a drinking water device capable of providing different water temperatures. The drinking water device comprises a boiling water valve, a warm boiled water valve, a heater and an energy converter, wherein one end of the boiling water valve and one end of the energy converter are both connected with the water outlet end of the heater; the energy converter is an S-shaped double-layer pipeline; one end of an inner pipe of the energy converter is communicated with the water outlet end of the heater; the other end of the inner pipe of the energy converter is communicated with the warm boiled water valve; one end of an outer pipe of the energy converter is communicated with the water inlet end of the heater; the other end of the outer pipe of the energy converter is communicated with a water source end. The drinking water device provided by the invention is simple in structure and convenient to operate; compared with a previous heater, not only is the warm boiled water valve added on the basis of an original hot water pipeline, but also the purposes of cooling boiling water and preheating cold water are realized through an exchange action of a heat exchange pipeline.

An indoor temperature adjusting system comprises a heating or refrigerating system and indoor heat exchange pipes. The heating or refrigerating system comprises a tank (4) containing anti-freezing liquid, a heating or refrigerating main machine and a heat exchanger (5) used for heating or refrigerating the anti-freezing liquid in the tank (4). The heat exchanger (5) is located in the tank (4) and connected with the heating or refrigerating main machine. A water pump is arranged on a connecting pipe of the tank (4) and the heat exchange pipes. The indoor heat exchange pipes comprise a liquid inflow pipe (1.1), a liquid outflow pipe (1.2) and multiple flow division pipes (1.3) which are arranged between the liquid inflow pipe (1.1) and the liquid outflow pipe (1.2) in parallel. The diameter of each flow division pipe (1.3) ranges from 3 mm to 6 mm. The distance between every two adjacent flow division pipes (1.3) ranges from 3 cm to 5 cm. The two ends of each flow division pipe (1.3) are communicated with the liquid inflow pipe (1.1) and the liquid outflow pipe (1.2). The tank (4) is communicated with the liquid inflow pipe (1.1) and the liquid outflow pipe (1.2).

The invention discloses an LED display screen with moisture-proof and dust-proof functions, which comprises: an electronic display module, which is provided with an LED light-emitting array and vent holes arranged in an array, and the vent holes are formed on the electronic display module a hollow structure to allow airflow to pass through the electronic display module; a transparent plate; a box shell, which includes a front shell and a rear shell, and the electronic display module separates the box shell to form a first cavity and a second cavity, the second A cavity communicates with the second cavity through an air flow hole; a moisture-proof, dust-proof and cooling system, which realizes rapid moisture-proof, dust-proof and cooling of the system through an air heating device and a gas driving device. The display screen of the invention has the characteristics of high heat dissipation efficiency, moisture-proof and dust-proof, and the like.

The invention provides a T-shaped air duct cooling device applying trapezoid cooling fins. The T-shaped air duct cooling device comprises a shell, a cubic heat sink, an L-shaped square pipe and an air suction fan, wherein the cubic heat sink is a hollow cuboid, air inlets are arranged at two axial ends, an air outlet is formed in a side wall, a plurality of trapezoid cooling fins are fixedly arranged on two side walls, opposite and perpendicular to the air outlet, of an inner cavity of the trapezoid cooling fins and are arranged uniformly, a rectangular plate is arranged at one segment, perpendicularly facing the air outlet, of each trapezoid cooling fin, a right trapezoid plate is arranged at one segment parallel to the air outlet, an upper bottom edge of the right trapezoid plate perpendicularly faces the air inlet near to the rectangular plate, the air outlet is communicated with the air suction fan through the L-shaped square pipe, T/R modules are arranged at outer sides, fixedly connected with the trapezoid cooling fins, of two side walls, and the T/R modules are sealed between the air inlets and the air outlet of the heat sink. The T-shaped air duct cooling device has the advantages of simplicity in structure, small size, light weight and balanced cooling effect, and is easy to process, and the three-protection requirement of an active phased array radar can be met.

The invention discloses a preparation method of nanometer novel metal processing oil. The preparation method comprises the following steps: firstly, pumping regenerated base oil into a vacuum blending kettle, starting stirring and starting a vacuum system for heating the regenerated base oil; secondly, fully mixing and evenly distributing the regenerated base oil and a nanometer extreme pressure anti-wear agent to obtain a nanometer novel metal processing oil crude product; and thirdly, after indicators of the nanometer novel metal processing oil crude product obtained in the step 2 are qualified by detection, filtering the nanometer novel metal processing oil crude product and canning to obtain the finished product, namely, nanometer novel metal processing oil. The product is odorless and non-toxic, has favorable pressure anti-wear property and heat stability and no corrosion to copper, aluminum and alloys thereof and is free of such active elements as sulfur, phosphorus and chlorine. The nanometer novel metal processing oil can be used for multiple processing methods such as cutting, forging, rolling, extruding, drawing and stamping of materials such as cast iron, carbon steel, alloy steel, stainless steel, hard alloy steel, copper, aluminum and copper-aluminum alloy.

The invention discloses a liquid-cooled plate integrated with heat conduction and heat insulation layers, include a liquid-cooled plate body, An upper end surface of that liquid cool plate main body is provided with a heat conduct layer, the heat conductive layer is an adhesive, the adhesive is bonded and solidified to the upper end surface of the liquid-cooled plate body, The lower end surface ofthe liquid cooling plate main body is provided with a heat insulating layer, the heat insulating layer is fixed on the lower end surface of the liquid cooling plate main body, one end of the liquid cooling plate main body is provided with a liquid outlet plate, the liquid outlet plate is provided with a liquid outlet pipe, the other end of the liquid cooling plate main body is provided with a liquid inlet plate, and the liquid inlet plate is provided with a liquid inlet pipe. As that heat conduction lay is directly solidified and for on the surface of the water-cooled plate, the gap between the heat conduction gasket and the surface of the liquid-cooled plate is eliminated, the heat dissipation efficiency and the capacity of the liquid-cooled plate are improved, and at the same time, theworking procedure of the assembly plant is reduced, and the efficiency is improved; The insulation layer is directly solidified and formed on the surface of the liquid-cooled panel, which reduces theheat loss of the non-working surface of the liquid-cooled panel, improves the heat dissipation efficiency and capacity, and at the same time reduces the working procedure of the assembly plant, improves the efficiency and reduces the cost.

The invention discloses an anti-scald oven. The anti-scald oven comprises a shell, a cooling fan, a liner provided with a front opening, and a box door for sealing the front opening, and a heating pipe is arranged at the upper part in the liner cavity; the anti-scald oven is characterized by further comprising a metal plate arranged between the top of the liner and the top plate of the shell, and gaps remain between the top of the liner and the metal plate and the top plate of the shell and the metal plate.

The invention relates to the technical field of heat treatment of aluminum alloy extruded profiles, in particular to a heat treatment device for an ultra-long aluminum alloy extruded profile. The heattreatment device comprises a heat treatment device body, the heat treatment device body is composed of a heating furnace, a heat preservation box, a water cooling box and an ultra-long profile, the heating furnace, the heat preservation box and the water cooling box are linearly distributed from left to right, a heating host is arranged at the upper end of the inner cavity of the heating furnace.The heat treatment device has the beneficial effects that through matching of the heating furnace, the heat preservation box, an air cooing section and the water cooling box which are linearly distributed, thus the interrupted heat dissipation of the ultra-long profile is achieved, the temperature difference change of adjacent positions is greatly lowered, and the profile defects caused by temperature difference stress are reduced; and a first limiting block and a second limiting block which are symmetrically distributed front and back are arranged, thus the position of the profile is limited, a motor-driven rotating roller is utilized to drive the profile to rotate slowly, so that the profile is evenly heated and dissipated, and the quality of heat treatment is greatly improved.

The invention relates to a frame, a diode comprising the same and a processing technology of the diode, and proposes a frame which is exquisite and stable in structure, high in application effect and long in service lifetime and by which the problems of local overheating, non-uniform heat dissipation and the like can be effectively prevented during use, the diode comprising the frame and the processing technology of the diode. The frame comprises a positive plate and a negative plate, wherein the positive plate is connected with a jumper, the negative plate is connected with a chip and comprises a wiring board and a chip board which are connected integrally, a first groove is formed between the wiring board and the chip board, the cross section of the first groove is in a shape with a small lower part and a large upper part, a chip region is arranged on the chip board and is used for bearing the chip, a second groove is formed in the outer side of the chip region, the outer edge of the chip board is step-shaped, and the outer side surface of the chip board is internally recessed. By the frame, the cooling synchronism and the cooling efficiency of two paths are effectively ensured on the condition that the thicknesses of the negative plate and the positive plate are simultaneously reduced and with the combination of the original size of the jumper and the cooling capability.