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78results about How to "Reduce spoilers" patented technology
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Cooling Module
InactiveUS20110114296A1Reduce spoilersReduce wind noisePoint-like light sourceSemiconductor/solid-state device detailsEngineeringCooling efficiency
A cooling module is presented, which includes a heat sink and a fan unit. The heat sink provides a base plate and a plurality of fins, with an outlet extending through the base plate and the fins formed on a first surface of the base plate, and with a second surface of the base plate attached to a heat generating unit. The fan unit is rotatably mounted on the heat sink and aligned with the outlet. With the above-mentioned structure, an air-guiding channel is formed between any adjacent two of the fins and communicates with the outlet for a part of air outputted by the fan unit to be guided through the air guiding channels and exhausted by the outlet. Consequently, disturbed flows and wind noise are decreased while cooling efficiency is improved.
Owner:SUNONWEALTH ELECTRIC MACHINE IND
Middle-bent axial flow fan blade
InactiveCN101725566AImprove the mobility environmentReduce vortexPump componentsPumpsWave shapeContinuous wave
The invention discloses a middle-bent axial flow fan blade, which comprises a hub and a blade. The blade comprises an outer periphery, a front edge and a rear edge. The middle-bent axial flow fan blade is characterized in that: the blade is in a wave shape that at least one continuous wave crest and wave trough are arranged in the radial direction from the front edge to the rear edge. Due to the adoption of the structure, high pressure transferred to the outer periphery is dispersed and prevented. The middle-bent axial flow fan blade can reduce the vortex and turbulence caused by radial flow, thereby improving the air flowing environment, improving the static pressure and the efficiency, and reducing the noise. The middle-bent axial flow fan blade can solve the common deformation problem existing in fan blade molding in the mold production, thereby reducing the manufacturing cost.
Owner:GUANGDONG SUNWILL PRECISING PLASITC CO LTD
Active respirator for children
InactiveCN105582623AInhale clearlyImprove ventilation efficiencyBreathing filtersRespiratory apparatusRespiratorEngineering
The invention provides an active respirator for children which comprises a respirator main body, wherein the respirator main body is a housing respirator main body; the outer side of the housing respirator main body is convex; a concave cavity is formed on the inner side of the housing respirator main body; the housing respirator main body comprises a front cover, a middle cover, a rear cover and a sealing ring, which are connected in sequence through snap fasteners; the sealing ring is contacted with a face; air inlet holes are formed at the joint of the front cover and the middle cover; air outlet holes are formed in the upper part of the middle cover; a filter unit is arranged on the middle cover and corresponds to the front cover; a cavity structure is arranged between the middle cover and the rear cover; a fan is arranged on the rear cover and corresponds to the filter unit of the middle cover; and an air outlet non-return valve, a battery connected with the fan, a control circuit board and a starting switch are arranged at the upper part of the rear cover. The active respirator is used for protecting children, is suitable for children to use in a hazy environment or other polluted environments, has a good protection effect and strong active air-suction power, is simpler and more convenient to manufacture, disassemble, assemble and clean, ensures a short and smooth air inlet passage, and meanwhile can avoid stimulation to lungs caused by the reason that air enters the lungs in case of high wind pressure.
Owner:SHANGHAI LANGQIN INVESTMENT MANAGEMENT
Manufacturing method of organic thin film pattern, organic thin film pattern, array substrate and display device
ActiveCN110165055AHigh viscosityReduced solution turbulenceSolid-state devicesSemiconductor/solid-state device manufacturingEngineeringDisplay device
The embodiment of the invention provides a manufacturing method of an organic thin film pattern, the organic thin film pattern, an array substrate and a display device, relates to the technical fieldof display, and can solve the problem of a non-uniform thin film caused by coffee ring effect and climbing phenomenon in the prior art. The manufacturing method of the organic thin film pattern comprises the following steps: forming ink droplets in a concave part in a thin film defining layer positioned on a substrate, wherein the ink droplets are a gel solution containing an organic functional material; gelatinizing the ink droplets; and drying the gelled ink droplets to form the organic thin film pattern.
Owner:HEFEI XINSHENG OPTOELECTRONICS TECH CO LTD +1
Fan assembly and fan frame thereof
ActiveCN105317749AReduce spoilersReduce noisePump componentsPump installationsImpellerComputer engineering
The invention provides a fan assembly and a fan frame thereof. The fan frame is provided with an air inlet end and an air outlet end and comprises a side wall, a top and a bottom; the top is connected to one end of the side wall and is close to the air inlet end, and the bottom is connected to the other end of the side wall, is close to the air outlet end and is provided with at least one noise reducing structure. An impeller is arranged in the fan frame.
Owner:DELTA ELECTRONICS INC
Wind wheel with variable blades and attack angles
ActiveCN103603766ASmall sizeReduce spoilersRenewable energy generationMachines/enginesNew energyMature technology
The invention discloses a blade and a wind wheel with the variable blades and attack angles. Wind energy does not need fuels, is economical and environmentally friendly, and is widely applied to places all round the world. With energy shortage and pollution caused by fossil fuels to environment gradually becoming serious, developing of new energy becomes the key of development of economy of each country. Wind power generation is a power-generating mode with the mature technology so far and a long history, and is a renewable energy source with large-scale development potential. The blade and the wind wheel with the variable blades and attack angles solves the problems that an existing wind wheel cannot be started easily at low wind speed, is unstable in low power and small in high-wind speed application range. The wind wheel with the variable blades and attack angles comprises the primary blade, the auxiliary blade, a blade connecting shaft, an elastic device between the blades, a permanent magnet, a support and a main shaft. One end of the main blade and one end of the auxiliary blade are connected with each other through the blade connecting shaft, the main blade and the auxiliary blade rotate by using the blade connecting shaft as the center, the permanent magnet is fixed to one movable end of the main blade and / or the auxiliary blade, one end of the support is movably connected with the main blade, the auxiliary blade is arranged at one side , facing the main shaft, of the main blade, and the other end of the support is connected with the main shaft.
Owner:米建军
Prestressed concrete cylindrical foundation with oblique supports
The invention discloses a prestressed concrete cylindrical foundation with oblique supports. The prestressed concrete cylindrical foundation with the oblique supports is composed of a concrete cylindrical foundation, the concrete oblique supports, a concrete transition section and prestressed steel bars. The top cover of the concrete cylindrical foundation, the concrete oblique supports and the concrete transition section are poured as a whole. The concrete transition section is a hollow cylinder with linearly-changed diameter and thickness from the top to the bottom. The prestressed steel bars are evenly arranged in the ring direction on the wall of the transition tower section. The concrete oblique supports are evenly and radially arranged at the bottom of the transition section, and the prestressed steel bars are arranged inside the concrete oblique supports obliquely. A flange plate is embedded into the top of the transition section, and the transition section is connected with a wind turbine tower through the flange plate. The prestressed concrete cylindrical foundation with the oblique supports can improve prestressing condition of the structure, enable the structure to have no crack in the construction and the operation, enhances the durability and the stability of the structure, and is simple in improved structure, easy to construct and wide in application.
Owner:TIANJIN UNIV
Axial fan
ActiveCN102588338AIncrease air volumeImprove efficiencyPump componentsPumpsAir volumeBusiness efficiency
The invention relates to an axial fan, which comprises a hub and three blades mounted on the hub. The three blades are distributed at equal intervals by taking a blade rotation central axis as a center, each blade is provided with a tail edge and a front edge opposite to the tail edge, three trapezoidal grooves which are gradually decreased in depth are sequentially arranged at the tail edge of each blade from the outside to the hub, and short sides of trapezoidal bottom sides of the three trapezoidal grooves are close to the front edge of the corresponding blade. The axial fan has the advantages that separation of boundary layers is integrally decreased, radial flow is effectively reduced, air volume is provided by reducing wakes of a rotor, vortexes and turbulent flow are avoided, air volume of the axial fan can be effectively increased, efficiency of the axial fan can be effectively improved, and the axial fan can be lightened, so that comprehensive cost is reduced. The axial fan with the advantages can be better applicable to an outdoor unit of an air conditioner, the refrigerating capacity and the heating capacity of the air conditioner can be enhanced, and the energy efficiency ratio of the air conditioner can be increased.
Owner:TCL AIR CONDITIONER ZHONGSHAN CO LTD
Ventilation control system for laboratory
InactiveCN105115095AReduce temperature differenceRealize heat exchangeSpace heating and ventilation safety systemsLighting and heating apparatusControl systemTorque motor
The invention discloses a ventilation control system for a laboratory. The system comprises a main air inflow pipe, an air inflow pipe branch, an air inflow device, a main exhaust pipe, an exhaust pipe branch and an exhaust device and is characterized in that an air adjusting heat exchange segment used for adjusting the air flow and heat exchange is arranged on the exhaust pipe branch and located in the air inflow pipe branch; the air adjusting heat exchange segment comprises a connecting shaft, a first torque motor, a rotating bearing, a gear sleeve, a transmission gear set and connecting cylinders, and the connecting cylinders are sequentially arranged from left to right. In the rotating process of a plurality of inner air adjusting heat exchange fins, a spiral channel can be formed, the size of the channel and the size of an opening of the channel change regularly, and therefore the air flow of the exhaust pipe branch can be adjusted, and in a similar way, the air inflow of the air inflow pipe branch can be adjusted; in the rotating process of the inner air adjusting heat exchange fins, the contact area of air in the channel and the inner air adjusting heat exchange fins is unceasingly increased, and therefore heat exchange between the exhaust pipe branch and the air inflow pipe branch can be achieved through the inner air adjusting heat exchange fins and outer air adjusting heat exchange fins, and the temperature difference of air in the exhaust pipe branch and air in the air inflow pipe branch is reduced.
Owner:LANZHOU UNIVERSITY
Heat radiating module
InactiveCN102083292AImprove fluencyReduce spoilersPoint-like light sourceSemiconductor/solid-state device detailsEngineeringAirflow
The invention discloses a heat radiating module comprising a heat radiating base and a fan unit; the heat radiating base is provided with a base plate and a plurality of heat radiating fins, the base plate is provided with an air outlet in a penetrating manner, each heat radiating fin is arranged at the first side face of the base plate and is an arc-shaped heat radiating fin, and the second side face of the base plate can be combined with a heating unit; and the fan unit is rotatably arranged on the heat radiating base and is opposite to the air outlet. An air flow driving channel is formed between every two adjacent heat radiating fins, and each air flow driving channel is communicated with the air outlet respectively so that part of air flow is led to the air outlet to be exhausted after the air flow delivered through the fan unit enters each of the air flow driving channel, turbulent flow is reduced, the air cut noise is lowered, and the heat radiating efficiency is further increased.
Owner:SUNONWEALTH ELECTRIC MACHINE IND
Structure for preventing stone from being clamped in tire slot
InactiveCN102825982AReduce fluid turbulenceGood drainage performanceTyre tread bands/patternsEngineeringConvex side
The invention provides a structure for preventing stone from being clamped in a tire slot. A preset amount of such structures are arranged on a tread; the structure comprises a patterned tire slot and a convex step group; edge walls at two sides of the tire tread slot are respectively set to be a first side wall with a preset inclination and a second side wall with a preset inclination, and the inclinations of the edge walls of the first side wall and the second side wall are different; and the convex step group is arranged in the patterned tire slot and provided with a first convex step with a preset height and a second convex step with a preset height respectively on the first side wall and the second side wall; the first convex step and the second convex step are respectively provided with a curved surface convexly extending at a preset curvature and are continuous along the first side wall and the second side wall; and therefore, through the matching of the first side wall and the second side wall which have different inclinations and are arranged at two sides as well as the first convex step and the second convex step which have different curvatures of the curved surfaces and are arranged on the first side wall and the second side wall, small broken stone is not easy to clamp when the stone enters the slot, and then, the effect of preventing the stone from being clamped is achieved; meanwhile, the situation of turbulent flow is reduced, so that better drainage performance is achieved, the stone is easier to automatically discharge, the service life of a tire is prolonged, and the safety of the tire is improved.
Owner:XIAMEN ZHENGXIN PETREL TIRE CO LTD
Bionic underwater glider with undulatory fins
ActiveCN108688783AImprove mobilityImprove stabilityUnderwater vesselsUnderwater equipmentMarine engineeringUnderwater glider
The invention provides a bionic underwater glider with undulatory fins. The bionic underwater glider comprises a pressure-resistant outer cylinder, a head end cover and a tail end cover, a flow inletsection and a flow outlet section are installed on the head end cover and the tail end cover correspondingly, and a pair of undulatory fin devices is mounted on the two opposite sides of the tail portion of the pressure-resistant outer cylinder. The undulatory fin devices create sinusoidal waves so as to generate propulsion for a machine body, and when the motion direction, the amplitude and / or the frequency of the sinusoidal waves is changed, the propulsion produced by the undulatory fins is also changed so as to control the machine body to move. The bionic underwater glider with the undulatory fins solves the technical problem that a traditional underwater glider is in lack of a power source and effective communication means, so that the mobility and stability under water are poor.
Owner:SHANGHAI JIAO TONG UNIV +1
Intensified heat exchange tube provided with spiral grooved tube with spiral fin inserted inside
The invention discloses an intensified heat exchange tube provided with a spiral grooved tube with a spiral fin inserted inside. The intensified heat exchange tube comprises a reserved unthreaded tube, a spiral finned tube and the spiral grooved tube which are connected sequentially. The spiral finned tube is composed of the unthreaded tube and the spiral fin welded into the unthreaded tube, the width of the fin is 0.3-0.4 times the inner diameter of the unthreaded tube, and the total length of the fin is equal to the screw pitch length of 1-2 fin spiral lines. The spiral fin enables turbulent flow of the spiral groove tube section to be greatly enhanced, and reduces flowing resistance. When the spiral fin is matched with the spiral grooved tube, the heat exchange coefficient is higher than that of the spiral grooved tube by 3% to 10%, and the flowing resistance is reduced by 16% to 30%. The tube section with the fin inserted inside of the heat exchange tube with the spiral fin inserted inside is independently machined, small in length, convenient to wash and small in material consumption, saves space, can be matched with various tube sections of different types and has quite important engineering application value to further development of the intensified heat exchange tube.
Owner:ZHEJIANG UNIV
Ultrasonic wave opposite irradiation type water meter
InactiveCN104792375AReduce resistanceReduce distanceVolume/mass flow measurementObservational errorLiquid-crystal display
The invention discloses an ultrasonic wave opposite irradiation type water meter. The ultrasonic wave opposite irradiation type water meter is structurally characterized in that two opposite irradiation type energy converters are installed inside a water meter body, a measurement tube is connected between the two opposite irradiation type energy converters, and the two opposite irradiation type energy converters are completely attached to the tube wall of the measurement tube. The front ultrasonic wave energy converter and the back ultrasonic wave energy converter are connected with an ultrasonic wave timing module through signal lines, the connection lines are the same in length, the ultrasonic wave timing module is connected with a single chip microcomputer, and the single chip microcomputer is connected with a liquid crystal display module. The ultrasonic wave opposite irradiation type water meter has the advantages that two opposite irradiation type energy converters perform direct opposite irradiation measurement, so paths for sound wave transmission are shortened, losses for sound wave transmission are reduced, 100% sound wave opposite irradiation can be achieved, and measurement is more accurate and product quality is more stable accordingly; streamline type appearance is adopted in the opposite irradiation type energy converters, the opposite irradiation type energy converters can be completely attached to a tube section of a basic meter, so water resistance is reduced, turbulent flow is quite small, and through measurement tube rectification, measurement errors are small.
Owner:JIAN JINGCHENG INSTR TECH CO LTD
Different-propeller multi-axis aircraft structure and operation method
InactiveCN106314797AFast power speedPromotes downward movementAircraft componentsRotocraftSpray nozzlePropeller
The invention discloses a different-propeller multi-axis aircraft structure and an operation method. The aircraft structure comprises two types of propellers and has two types of corresponding power rotating speeds. The specific principle of the different-propeller multi-axis aircraft structure is as follows: two symmetric powers located on a spray nozzle are high-speed powers, and the propellers matched with the powers are small propellers with the higher pitch and smaller size. Low-speed power and large propellers with small pitch and large size are adopted for other axes. The aircraft structure has the advantages that the high-speed power rotating speed of the small propellers matched with high-speed powers is higher than that of the large propellers matched with low-speed powers under the same condition, and the airflow speed produced by the high-speed powers is obviously higher than that produced by low-speed powers. The distances between the propellers with the reduced size and other propellers are enlarged, mutual turbulence is reduced, downward movement of fog drops is facilitated, fog drops sprayed by the spray nozzle below the high-speed powers is blown downwards under the drive of high-speed airflow, so that better penetrating power is obtained.
Owner:韩振铎
Mini-consumption electric controlling valve
InactiveCN1598372ASimple structureImprove reliabilityOperating means/releasing devices for valvesSlide valveEngineeringPower consumption
The invention refers to a micro power dissipation electric control valve. Driving shaft is equipped on the middle of the up bear frame. The upside of the down bear frame is equipped with motion valve plate. And the downside is fixed with fixed valve plate. The up end surface of the motion valve plate is connected to the down end surface of the driving shaft. The inter-space between the motion valve plate and the fixed valve plate is actively oriented by the central shaft of the valve plate. Blowhole and drain-hole, which are connected to fillister, are set on the motion valve plate. And blowhole and drain-hole are also set on the constant valve plate, of which the up end surface of the none-hole region is set with annular blowhole fillister and annular drain-hole fillister that connects to the fillister of the down end surface of the motion valve plate. The outer force caused by the open and close process of the invention has no direct relationship with the pressure of the air and liquid in the pipe. Thus, it can satisfy the design request of the micro power dissipation but mass flow. It has been verified that the invention could save more than 80% energy compared with the same type electric control valve driven by electric mini-motor.
Owner:杨晖 +1
Ducted power device and aircraft
The invention provides a ducted power device and an aircraft. The ducted power device comprises guide plates which are configured to allow the direction of the component velocity of air flow, guided by the guide plates to move along the duct direction, to be opposite to the rotary direction of rotors, so that relative velocity between the air flow and the rotors is increased, and not only can disturbed flow in the inlet of a duct be relieved, but also pneumatic efficiency of the ducted power device can be improved.
Owner:ZHUHAI PANLEI INTELLIGENT TECH CO LTD
Film tearing clamp, multi-shaft robot and control method thereof
PendingCN109262644ALow costRun fastProgramme-controlled manipulatorGripping headsDrive shaftEngineering
The invention discloses a film tearing clamp, a multi-shaft robot and a control method thereof. The film tearing clamp comprises a connecting plate, a movement clamp and a lining paper suction plate,wherein the connecting plate is provided with the movement clamp and the lining paper suction plate respectively, the movement clamp and the lining paper suction plate are both connected with a driving shaft through the connecting plate, the driving shaft can rotate horizontally and can ascend and descend in the axial direction, the movement clamp comprises an actuating element, a lower clamping plate, an upper clamping plate connecting plate and an upper clamping plate, the lower clamping plate is arranged on the actuating element, the upper clamping plate is arranged at one side of the actuating element through the upper clamping plate connecting plate, and the lower clamping plate and the upper clamping plate form a clamping structure. The film tearing clamp not only reduces the hardware cost and turbulent flow of laminar flow wind, but also can achieve the purpose of improving the running speed, and the operation method is also simpler.
Owner:TRUKING TECH LTD
Extracorporeal shock wave lithotripter fluid-electric pipe throttling valve
InactiveCN107374701AReduce fluid internal turbulenceImprove stabilitySpindle sealingsSurgeryInternal energyInternal pressure
The invention discloses a throttling valve for hydraulic and electric pipelines of an extracorporeal shock wave lithotripter. One end of the pipe body is connected with a first- and second-stage constriction tube, the end of the second-stage constriction tube is connected with a three-stage constriction tube, and the other end of the pipe body is plugged. A movable inner tube, elastically connected between the movable inner tube and the pipe body, a pressure relief hole is opened on the tube wall of the movable inner tube, a plug joint is provided at the end of the movable inner tube, and a limit flange is provided on the outer periphery of the tube wall of the movable inner tube , There is also a runner on the movable inner tube, and the rotating runner can open and close the hydraulic and electric pipeline. The pipe body of the hydraulic pipeline throttle valve of the extracorporeal shock wave lithotripter of the present invention is designed to be gradually tightened, so that a part of the impact force generated by the internal fluid can be partially buffered, and the generation of turbulent flow inside the fluid can be reduced. At the same time, the elastic movable casing The setting can absorb part of the internal energy of the fluid, and the excessive internal pressure can be discharged from the pressure relief hole, which greatly improves the stability of the hydraulic pipeline.
Owner:刘剑
Formingfabric comprising flat shaped conductive monofilamentused in the production of non-woven fabrics
InactiveCN1653230ASmall volumeReduce spoilersLiquid surface applicatorsMachine wet endPolymer scienceSpinning
Owner:ALBANY INT CORP
Water spraying coupling laminar flow generation nozzle for ultrasonic C scanning
ActiveCN113340999AReduce spoilersGuaranteed tightnessAnalysing solids using sonic/ultrasonic/infrasonic wavesNondestructive testingEngineering
The invention relates to the technical field of ultrasonic nondestructive testing, in particular to a water spraying coupling laminar flow generating nozzle for ultrasonic C scanning. The nozzle comprises a spray head, a laminar flow generation assembly is arranged in the spray head, the laminar flow generation assembly can change passing water flow into a laminar flow state, one end of a middle pipe tightly presses the laminar flow generation assembly in the spray head, a flow stabilizer is arranged in the middle pipe, and the flow stabilizer can change the water flow into relatively smooth and stable flow from turbulent flow. The rear cover tightly presses the flow stabilizer in the middle pipe; and a plurality of front-back through water inlets are formed in the rear cover, a water outlet is formed in the center of the water outlet end of the spray head, and the water inlets and the water outlet face the same direction. The water inlet and the water outlet face the same direction, and the water inlet and the water outlet are arranged in the same direction, so that the turbulent flow phenomenon can be reduced, the stability of a water column sprayed by the spray head is guaranteed, and the water column is in a laminar flow state.
Owner:NINGXIA UNIVERSITY
Automobile oil cooler
The invention discloses an automobile oil cooler. The automobile oil cooler comprises an oil cooler pipe body, wherein the oil cooler pipe body has inner and outer layer pipe walls; the pipe ends of the inner and outer layer pipe walls are sealed; an oil passing cavity is defined between the inner and outer layer pipe walls; an oil inlet is formed in one end of the outer layer pipe wall, and an oil outlet is formed in the other end of the outer layer pipe wall; and the oil inlet and the oil outlet communicate with the oil passing cavity. The automobile oil cooler is characterized in that irregularly distributed first pits are densely arranged on the outer layer pipe wall; irregularly distributed second pits are densely arranged on the inner layer pipe wall; some of the first pits and the second pits align to each other, and some of the first pits and the second pits are staggered; and the depth of the first pits and the second pits is equal to a half of the distance between the inner layer pipe wall and the outer layer pipe wall. According to the automobile oil cooler, the structure is simple, the cooling area is increased, a better engine oil cooling effect can be achieved, and the production cost is effectively reduced.
Owner:RUIAN XINHAI AUTO PARTS
Ducted power plant and aircraft
Owner:ZHUHAI PANLEI INTELLIGENT TECH CO LTD
Ultrasonic flowmeter with adjustable flow deflectors
InactiveCN113607229AIdentify spoilersEffective diversionVolume/mass flow measurementVolume meteringEngineeringVibration detection
Owner:HANGZHOU QIANBO TECH CO LTD
Range hood and integrated stove
ActiveCN110701654AAvoid wind resistanceAvoid spoilersDomestic stoves or rangesLighting and heating apparatusIndustrial engineeringWindage
The invention discloses a range hood and an integrated stove. The range hood comprises a chassis provided with a smoke inlet at one end, and a fan arranged in the chassis; an intake area is formed between an air inlet of the fan and the side wall of the chassis; a first air way and a second air way are formed between the two side outer walls of a volute of the fan and the inner wall of the chassis; the ends, far from the smoke inlet, of the first air way and the second air way communicate with the parts, far from smoke inlet, of the intake area; and an isolation piece is arranged in the intakearea for dividing the intake area into a first intake area near one side of the first air way and a second intake area near one side of the second air way. The intake area of the fan is divided intothe first intake area and the second intake area by adopting the isolation piece to prevent turbulent flows caused by intersection of air flows of two air ways and to prevent the problem of air resistance caused by the turbulent flows in the intake area.
Owner:FOSHAN SHUNDE MIDEA WASHING APPLIANCES MFG CO LTD
drone
ActiveCN112829922BReduce spoilersIncrease flexibilityInfluencers by generating vorticesWing adjustmentsUncrewed vehicleStructural engineering
Owner:北京北航天宇长鹰无人机科技有限公司
High-performance axial-flow fan for extractor hood
PendingCN107747552AIncreased hydrodynamic efficiencyReduce movement wind resistancePump componentsPump installationsWheel driveEngineering
The invention provides a high-performance axial-flow fan for an extractor hood. The high-performance axial-flow fan comprises a housing and a centrifugal wind wheel which is mounted in the housing andis driven by a motor, wherein the centrifugal wind wheel at least consists of arc-shaped blades which are distributed in a radial direction, an air flue is formed between every two adjacent arc-shaped blades, and each air flue tilts towards an air exhaust hole of the fan from inside to outside. Through the inclined air flues, high-pressure air generated by the centrifugal wind wheel rebounds towards the air exhaust hole of the fan after colliding with the inner wall of the housing, and does not enter a centrifugal fan any more, so that turbulent flow between the outlet of each air flue of thecentrifugal wind wheel and the inner wall of the housing can be greatly reduced, and integral fluid power efficiency of the fan is improved, and therefore, motion wind resistance of the centrifugal fan is reduced; and the centrifugal fan can rotate at a high speed and can generate high-pressure air of 600 Pa or more, so that grease in oil fume can be condensed into small oil drops, and therefore,grease separating degree is improved.
Owner:胡俊铨
FFU four-air-duct box structure
PendingCN110206767ASimple structureImprove structural strengthPump componentsPump controlEnergy consumptionComputer engineering
The invention relates to an FFU four-air-duct box structure, which comprises a FFU box, one side of the top of the inner cavity of the FFU box body is connected with a universal fixing plate; the universal fixing plate is arranged to be of a rectangular settling tank structure. A controller is mounted in the universal fixing plate; the center of the top of the FFU box body is connected with an airinlet mesh enclosure structure which comprises a protective cover in sealed connection with the FFU box body; a mounting through groove is formed in the top of the protective cover; the inner side ofthe mounting through groove is connected with an air inlet mesh enclosure; an air inlet is formed under the air inlet mesh enclosure. The structure is simple, stable and reliable, convenient to install and use, capable of enhancing the structural strength of the box body, pressure-resistant and durable. Four air channels can be formed by adopting the structural form of the four downwind guide plates, internal turbulent flow points are reduced, airflow in the box body is smoother and more uniform. Meanwhile, the box body structure is simplified, assembling is convenient, the working efficiencyis improved, energy consumption is reduced, and cost is saved.
Owner:奇昇净化科技(昆山)有限公司
Lamp
InactiveCN103672754AReduce spoilersImprove cooling effectElectric circuit arrangementsLighting heating/cooling arrangementsConductive materialsHeat spreader
The invention discloses a lamp which is characterized by comprising an outer shell, a radiator, a radiating fan and a light-emitting module. The radiating fan is arranged in the outer shell, the light-emitting module is combined with the radiator, the outer shell is hollow, the outer shell is provided with an assembly port, an electric connecting element and a connection portion, the assembly port and the electric connecting element are arranged at the two ends of the outer shell respectively, the assembly port is communicated with the space in the outer shell, the radiator is made of heat conductive materials, the radiator is provided with a substrate, a blocking plate, a first air current channel and a combination portion, the radiating fan is combined with the radiator, the radiating fan is provided with an air drive flow channel, a fan wheel, a flow guide face and a flow guide portion, the light-emitting module is combined with the first surface of the substrate of the radiator and is exposed out of the outer shell, and the light-emitting module comprises a light-emitting element and a control substrate. The lamp has the advantages of reducing turbulent flows, being capable of keeping a high radiating performance, reducing structural complexity and manufacturing cost, and being attractive in appearance and smooth in operation.
Owner:宁波市鄞州科启动漫工业技术有限公司
A new water-cooled plate structure using 3D printing technology
ActiveCN104768356BImprove cooling efficiencyImprove heat transfer coefficientCooling/ventilation/heating modificationsWater leakageWater channel
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
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