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34results about How to "Wind power" patented technology
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Wind system for converting emergy by translating on a rail modules dragged by kites and process for producing electric energy through such system
InactiveCN101720386AWind powerWind motor supports/mountsMachines/enginesWind systemMechanical energy
A wind system (1) is described for converting energy comprising at least one kite (2) that can be driven from ground immersed in at least one wind current (W) and at least one module (5) adapted to translate on at least one rail (6; 7) placed next to the ground, such module (5) being connected through at least one rope (4) to the kite (2), in order to drag the module (5) on the rail (6; 7) and to perform a conversion of wind energy into electric energy through at least one electric energy generating system cooperating with module (5) and rail (6; I) 1 such rope (4) being adapted both to transmit mechanical energy from and to the kite (2) and to control the flight trajectory of the kite (2).
Owner:风筝发电研究(股份)责任有限公司
Low-power multifunctional three-phase switched reluctance motor system and control method thereof
InactiveCN107171606AIncrease winding currentImprove power generation outputBatteries circuit arrangementsAC motor controlEngineeringConductor Coil
The invention relates to a low-power multifunctional three-phase switched reluctance motor system and a control method thereof. The system is composed of a winding circuit, an excitation circuit, a power supply circuit, a variable current circuit, an isolation and inversion circuit, a rectifying circuit and a charging circuit, and is characterized in that the winding circuit is simple in structure and can realize a follow current function, the excitation circuit can realize dual functions of strong excitation and quick demagnetization, a power supply required by power generation and electric operating conditions can realize self charging, the variable current circuit can realize regulation for power generation current, conditions are created for MPPT (Maximum Power Point Tracking) control, the whole system can also realize AC-DC multi-power output under support of the control method and has application values in areas to which a power grid does not reach.
Owner:CHINA JILIANG UNIV
Blade-free wind power generation device based on vortex vibration theory and electromagnetic induction theory
PendingCN108278180ALarge windward sideEnhanced vortex effectWind motor combinationsMachines/enginesEngineeringFan blade
The invention discloses a blade-free wind power generation device based on a vortex vibration theory and an electromagnetic induction theory. The blade-free wind power generation device comprises a hollow thin-wall cylinder, wherein the hollow thin-wall cylinder is in an inverted circular truncated cone shape. The hollow thin-wall cylinder is installed on a connecting rod through a fixing device,the hollow thin-wall cylinder and the connecting rod are installed in an erected mode, and the bottom of the connecting rod is fixed to a foundation. A permanent magnet which synchronously swings along with the connecting rod sleeves the connecting rod located at the bottom of the hollow thin-wall cylinder. A plurality of closed electromagnetic induction coils are laid outside the permanent magnet, and when the permanent magnet synchronously swings along with the connecting rod, magnetic induction lines of the permanent magnet alternately cut the electromagnetic induction coils to generate thecurrent. By the adoption of the blade-free wind power generation device based on the vortex vibration theory and the electromagnetic induction theory, no conventional fan blades are required, a magnetic field is generated by the use of vortex vibration to conduct cutting, and then electric energy is formed; and the wind load in any wind direction can be received, and the situation that an additional device is needed to guide the wind direction so as to obtain the maximum wind energy is not required.
Owner:杭州科以才成科技有限公司
Multi-degree-of-freedom indoor intelligent fan
InactiveCN107327411AExpand the range of mobilityImprove comfortPump componentsPump controlRemote controlElectric machine
The invention discloses an indoor multi-degree-of-freedom intelligent fan, which includes a wind source generating device, a sensor device on the right side of the intelligent fan, a second electric push rod, a swing motor, a support arm, a support plate, a first ear, and a second electric push rod. Two lugs, sliding seat, guide sleeve, screw rod, guide column, first upper bearing, second upper bearing, lower bearing, first bearing end cover, second bearing end cover, lifting motor, coupling, protective sleeve , wireless communication device, column, large gear shaft, base, thrust bearing, large nut, rotating motor, pinion, vacuum suction cup, control box and protective cover. The invention generates more wind energy under the same power, improves the user's comfort, can automatically adjust the wind speed, can automatically adjust the fan to the position with the highest heat for the user, has more degrees of freedom in fan adjustment, and realizes remote control and monitoring.
Owner:吴燕飞
Wire rod rust removal process
ActiveCN109848246AFast rust removalRemove cleanCleaning using toolsCleaning using gasesWater storageWinding machine
Owner:德清林缘金属制品有限公司
Indoor multi-degree-of-freedom intelligent fan cooling method
InactiveCN107401518AExpand the range of mobilityImprove comfortPump componentsPump controlMulti degree of freedomEngineering
The invention discloses an indoor multi-degree-of-freedom intelligent fan heat reduction method. The wind source is generated, and the wind source is pushed from the small area of the conical section to the large area, and transported to the inside of the arc section. Because the pitch of the spiral ventilation piece gradually increases from left to right and extends continuously to the outlet, the air volume at the outlet increases. The analyzer in the processing chip automatically calculates the best avoidance path, and automatically adjusts the fan to the user's heat. The highest part is cooled; the camera on the sensor device 24, the temperature sensor and the humidity sensor, send the indoor image, temperature and humidity information to the user's mobile phone in real time through the wireless communication device 27, and the user realizes remote monitoring through the mobile phone APP. The APP can also remotely adjust the working position of the fan and monitor other parts of the room.
Owner:吴燕飞
Yaw control method, device and equipment of wind generating set and storage medium
ActiveCN111980855AImprove securityWind powerWind motor controlMachines/enginesControl engineeringGenerating capacity
The invention provides a yaw control method, device and equipment of a wind generating set and a storage medium. The yaw control method of the wind generating set comprises the following steps that apredicted power value and an actual power value of a target wind generating set is acquired in real time; the predicted power value is compared with the actual power value, and whether the target windgenerating set meets a preset yaw condition or not is determined according to a comparison result; if the target wind generating set meets the yaw condition, the target wind generating set is controlled to yaw; and if the target wind generating set does not meet the yaw condition, the target wind generating set is controlled to be kept in the current state. According to the yaw control method ofthe wind generating set, yaw control can be performed on the target wind generating set based on the predicted power value and the actual power value of the target wind generating set, so that the safety of the target wind generating set is improved, and the wind energy obtained by the target wind generating set and the generated generating capacity are increased.
Owner:XINJIANG GOLDWIND SCI & TECH
Automatic speed regulation and smooth rate apparatus for wind power generation system
InactiveCN101392727AConstant speedOptimize the speed ratioWind motor controlGearingGear wheelEngineering
The invention relates to an automatic speed regulating and stabilizing device for a wind generator system. A planetary gear driving mechanism consists of a planetary carrier, an internal gear, a planetary gear and a sun gear; a stepless gearshift mechanism consists of pulley cones, a left screw pair and a right screw pair and adjustment levers; and an electrical screw drive mechanism consists of a left screw pair, a right screw pair, and a servo-actuator. The planetary gear is engaged with the sun gear and the internal gear simultaneously; the sun gear and the pair of the pulley cones connected with the two adjustment levers are arranged on the same driving shaft, and another pair of pulley cones connected with the two adjustment levers are coaxially arranged on an output shaft, and the two pairs of the pulley cones are connected through a cog belt; the left screw pair and the right screw pair are connected with the two adjustment levers respectively, and are connected with the servo-actuator. Through automatic speed regulation, the wind power of a fixed pitch keeps the generator speed unchanged while allowing the rotor speed to ascend with the increasing of the wind speed, thereby optimizing the tip-speed ratio to make the wind generator system which operates in the rated wind speed obtain larger wind energy.
Owner:SHANGHAI INST OF TECH
Low-speed wind turbine generator
InactiveCN101984254ASimple structureReasonable designWind motor supports/mountsWind motor combinationsElectricityImpeller
The invention discloses a low-speed wind turbine generator. In the generator, a bracket is arranged on the upper end of a base; a generator is arranged on the bottom end of the bracket; the upper end of the generator is provided with a transmission shaft; the lower end of the transmission shaft is arranged on a rotor shaft of the generator through connection of a connecting plate; the upper end of the transmission shaft is provided with a wind turbine shaft; the lower end of the wind turbine shaft is provided with a support shaft sleeve, while the upper end is provided with a wind turbine; and when the low-speed wind turbine generator is used, the base can be arranged on the roof of a one-storey / two-storey house, an arc impeller blade absorbs natural wind from different directions to generate wind power which is ten times higher than that of a traditional fan, and the wind power is transferred into a larger moment to drive the unit to generate electricity and apply work.
Owner:吴要明
Parallel gap type air curtain isolating system
PendingCN111578437AEasy to filterWind powerMechanical apparatusLighting and heating apparatusEngineeringMechanical engineering
The invention discloses a parallel gap type air curtain isolating system comprising an air supplying device, an air curtain device and an air collecting device. The air supplying device supplies air into the air curtain device. Air discharged by the air curtain device is blown to the air collecting device. The air curtain device comprises an outer groove, a longitudinal deflector A, a U-shaped deflector and a longitudinal deflector B. The groove bottom of the outer groove is provided with an air inlet. The longitudinal deflector A, the U-shaped deflector and the longitudinal deflector B are installed in the outer groove. The gap between the U-shaped deflector and the longitudinal deflector A is an air outlet A, and the gap between the U-shaped deflector and the longitudinal deflector B isan air outlet B. Because the air curtain device adopts the structure of two adjacent parallel gap type air outlets, a formed wind curtain is thicker than a single gap; the two wind curtains can be squeezed by the outside air and are gradually closer to each other and narrower, which is beneficial to filtering treatment of an air collector; the airflow inside the two wind curtains can disturb eachother and accelerate; and the air curtain device forms a complete wind curtain, and then a good air blocking effect is achieved.
Owner:广州市鑫湖能源科技有限公司
Dual-rotor wind wheel driving device and application thereof
PendingCN106930904AIncrease starting torqueOvercoming resistance to startingMachines/enginesMechanical power transmissionImpellerPropeller
The invention relates to the technical principle of driving a marine propeller or an oxygen aeration impeller by a windmill, and discloses a dual-rotor wind wheel driving device mixed with the windmill and a wind driven generator wind wheel and an application thereof. The traditional windmill is based on towing force of wind wheel blades, and the modern wind driven generator wind wheel is based on lifting force of wind wheel blades. By the adoption of a wind power propeller and a wind power stirrer, the dual-rotor wind wheel driving device has the benefit that wind energy can be efficiently grabbed and meanwhile water resistance can be overcome to start the marine propeller or the impeller. The dual-rotor wind wheel driving device comprises a main shaft, a main wind wheel connected with the main shaft, and an assisted wind wheel connected with the main shaft through an overrun clutch. When the wind speed is low, the assisted wind wheel can provide extra torque to drive the main shaft to be started. When the rotating speed of the main shaft exceeds that of the assisted wind wheel, the assisted wind wheel does not participate in driving of the main shaft. According to the dual-rotor wind wheel driving device and the application thereof, the lifting force wind wheel and towing force wind wheel are mixed for use, high starting torque can be obtained to overcome starting resistance of loads and meanwhile the maximum wind energy can be obtained; and by the adoption of the technology, the application field of the wind energy is greatly widened, and multiple applications can be derived.
Owner:蒋雄 +1
Liftable wind power generation device capable of achieving high-altitude automatic adjusting and keeping of relative position
PendingCN110714879AThere will be no problems such as entanglementImprove and advance commercial applicationsWind motor controlMachines/enginesHigh-altitude wind powerAtmospheric sciences
The invention relates to a high-altitude wind power generation device in the field of wind power generation. The wind power generation device comprises three parts including a high-altitude suspensiondevice, a traction cable and a ground recycling system. The high-altitude suspension device is a kite with multiple rotors, the high-altitude suspension device can be lifted up and down through the multiple rotors, and the multiple rotors can generate electricity. In the process of power generation at the high altitude, wind power can be generated by a sail, empennage windward area adjusting andswitching of the multiple rotors from the power generating state to the power consumption state to maintain the relative position of the suspension device at the high altitude, so that the high-altitude suspension device conducts suspension power generation within a certain space range. During multi-unit cluster distributed power generation, the high-altitude space utilization rate is improved, and it is ensured that the problems of position interference and cable entanglement cannot be caused when all units operate in coordination. In the manner, wind power generation is not limited by regions, and large-scale application can be achieved.
Owner:李哲 +1
Air conditioner waste heat collecting system
ActiveCN107606758AAchieve reuseSimple structureEnergy recovery in ventilation and heatingLighting and heating apparatusEngineeringHot blast
The invention provides an air conditioner waste heat collecting system. An air conditioner comprises an air conditioner outdoor unit shell, wherein the air conditioner outdoor unit shell is provided with an air outlet face mask; the air conditioner waste heat collecting system comprises a fairing and an energy conversion device; the fairing is provided with a first end part and a second end part extending in different directions; the first end part is fixed at the air conditioner outdoor unit shell; the second end part is provided with an air outlet; the fairing body is structured to guide hot-blast air flow discharged out of the air outlet face mask to the air outlet; and the energy conversion device is arranged at the air outlet and is used for collecting waste heat energy of the hot-blast air flow, converting the waste heat energy into electric energy, and outputting an electric signal outwards through an external circuit. According to the scheme, the air conditioner waste heat collecting system is arranged to collect the heat energy and wind energy of the hot-blast air flow discharged out of the air outlet face mask and convert the heat energy and wind energy into electric energy, so that waste heat reutilization is realized, and climate warming and discomfortableness to people caused by discharge of waste heat are also avoided.
Owner:东莞市百分百建设工程有限公司
Wind turbine blade
PendingCN108979952AImprove the lift-to-drag ratioImprove wind energy utilizationWind motor controlMachines/enginesTrailing edgeAirflow
The invention discloses a wind turbine blade comprising multiple sets of blades evenly arranged with a hub as the center. Each set of blades comprise a main blade and an auxiliary blade. The auxiliaryblades are smaller than the main blades in both blade length and width, and the auxiliary blades are arranged in the upwind direction of the main blades in a parallel mode. The main blades and the auxiliary blades are fixedly connected through connecting shafts. The connecting shafts and the hub are rotationally connected. The auxiliary blades and the main blades are arranged in a parallel staggered mode. The front edges of the auxiliary blades are arranged in a staggered mode toward the rear edge direction of the main blades. The auxiliary blades adopt thin wing blades. According to the windturbine blade, the auxiliary blades are arranged in the upwind direction of the main blades, thus the blade sets with double lift force faces are formed, compressed high-pressure airflow can be captured effectively through parallel staggered arrangement of the main blades and the auxiliary blades, the blade lift-drag ratio is increased substantially, the wind energy utilization ratio of the windturbine blade is increased greatly, and the power generation amount is increased.
Owner:GUODIAN UNITED POWER TECH
Aerial wind power generation device
ActiveCN105257481AIncrease profitImprove securityWind motor combinationsMachines/enginesPower gridWinch
The invention discloses an aerial wind power generation device. The aerial wind power generation device comprises an inwards-concave floating body, fixing rings, draw cords, a movable connector, a level wind direction rudder, a power generator set, inwards-concave wind wheels, bearings, bolts, a cable, a rein, winches, a transformer substation and a power grid. The aerial wind power generation device is mainly characterized in that the fixing rings are arranged at the edges of the inwards-concave floating body, and connected with one end of the movable connector through the corresponding draw cords; the other end of the movable connector is connected with one end or the two ends of a power generator shaft through the corresponding draw cords; the power generator shaft is connected with a stator and a rotor through the bearings; the inwards-concave wind wheels with opposite hook faces are arranged on the periphery of the stator and the periphery of the rotor; the end, provided with a collecting ring, of the power generator shaft is connected with the corresponding winch through the rein; and a wire led out from the collecting ring is connected with the transformer substation through the cable and is further connected to the power grid. The aerial wind power generation device is high in safety, good in balancing stability, high in wind energy use ratio, good in power generation effect, convenient to maintain and long in service life, and investment is saved.
Owner:李明武
Wind power generating device
InactiveCN107725277AGuaranteed stabilityStable structureRenewable energy generationMachines/enginesEngineeringWind force
The invention discloses a wind power generating device. The wind power generating device comprises a generator, a vertical rod, connecting rods and blades. The upper portion of the vertical rod is provided with a mounting disc. The upper portion of the mounting disc is provided with the generator. The upper portion of the generator is provided with the connecting rods. The end parts of the connecting rods are provided with the blades. By means of the wind power generating device, the technical problems that a wind power generating device is low in wind catching efficiency, poor in wind resistance and inconvenient in maintenance in the prior art are solved.
Owner:江苏光启新能源科技有限公司
Electricity-saving supercharger of air blower
InactiveCN103388522AHigh power outputReduce volumeInternal combustion piston enginesPump componentsWind forceMotor shaft
The invention relates to an electricity-saving supercharger of an air blower and belongs to the technical field of power-driven supercharge of internal combustion engines. The supercharger is suitable for being mounted at the back of an air throttle valve for an automotive engine and comprises a motor, a motor shaft, a left shell, a right shell, an impeller, a front wind chamber and a rear wind chamber. The supercharger is characterized in that the excircles of the left and right shells are provided with five air ports, i.e. one large air inlet, two small air inlets and two air outlets; the impeller is sleeved on the motor shaft; when the air suction of the impeller during working rotate a round, the air outlets output two rounds of wind forces together, the output wind forces can blow large and small granulates in fuel oil and supercharge an engine, so that the engine has greater high power output. The supercharger has the advantages that the size is small, the manufacturing is simple, acting wind force is larger, the service life is long, the electric energy of the air blower is saved by half, and fuel oil is saved.
Owner:杨成元
Wind system for converting emergy by translating on a rail modules dragged by kites and process for producing electric energy through such system
Owner:风筝发电研究(股份)责任有限公司
Yaw circuit system in wind power generating system
ActiveCN102096313BWind powerFast and smooth alignmentPhotomechanical apparatusYaw systemSteering control
Owner:佛山市欧亚玛电器实业有限公司
Pitch control method, device, system and computer-readable storage medium
ActiveCN112523939BAchieve precise pitch controlWind powerWind motor controlMachines/enginesControl systemClassical mechanics
Owner:BEIJING GOLDWIND SCI & CREATION WINDPOWER EQUIP CO LTD
An aerial wind power generator
ActiveCN105257481BIncrease profitImprove securityMachines/enginesWind motor combinationsPower gridEngineering
Owner:李明武
2.5 MW/54.0 m wind turbine blade
InactiveCN105003394AIncrease the lengthIncrease powerFinal product manufactureWind motor componentsGlass fiberFiber
The invention discloses a 2.5 MW / 54.0 m wind turbine blade. The 2.5 MW / 54.0 m wind turbine blade comprises a blade shell formed by laying glass fiber cloth fitted with a blade die, high-modulus glass fiber girders are laid in the middle of the blade shell, PVC foam is spread on the two sides of the glass fiber girders, and resin is poured into the blade shell. The 2.5 MW / 54.0 m wind turbine blade is lengthened and increased in swept area, so that the acquired wind energy is increased and the power of the blade is improved; the blade adopting the high-modulus glass fiber girders is improved in strength and reduced in weight; and through wing section improvement, the rotational speed of the blade is improved, the size and the weight of a direct-driven generator are reduced and the manufacturing cost is lowered.
Owner:NANTONG DONGTAI NEW ENERGY EQUIP CO LTD +1
Blade-autorotation windmill
InactiveCN102278273BReduce wind resistanceImprove wind energy utilizationWind motor controlMachines/enginesEngineeringTower
Owner:周振昆
Crosswind yaw electrical control system and method for wind generating set and generating set
PendingCN114382645AWind powerCascade implementationWind motor controlMachines/enginesMode controlHydraulic pump
The invention relates to the technical field of wind power generation, and discloses a crosswind yaw electrical control system and method for a wind generating set and the wind generating set, the system comprises a rotating speed acquisition module, a pressure acquisition module, a master control module, a mode control module, a hydraulic pump control module and a yaw motor control module; the master control module is respectively connected with the rotating speed acquisition module, the pressure acquisition module, the mode control module, the hydraulic pump control module and the yaw motor control module, the mode control module is connected with the hydraulic pump control module and the yaw motor control module, the hydraulic pump control module is connected with a hydraulic pump, and the yaw motor control module is connected with a yaw motor. According to the yaw control system, under the conditions that a sudden stop fault is triggered by overspeed of a unit and a safety chain is disconnected, the yaw electrical loop is triggered to be conducted by outputting a common DO, and then the yaw motor can receive a control instruction of the master control module to perform crosswind yaw action, so that the rotating speed of a fan is effectively reduced, and it is guaranteed that the rotating speed of the unit is within a safety range.
Owner:CHONGQING HAIZHUANG WINDPOWER ENG CO LTD
A wind turbine yaw device
ActiveCN112177847BEasy untwistingSmooth rotationWind motor controlMachines/enginesElectric machineClassical mechanics
Owner:云南滇能智慧能源有限公司
A waste heat collection system for collecting air conditioner waste heat
ActiveCN107606758BAchieve reuseSimple structureEnergy recovery in ventilation and heatingLighting and heating apparatusCollection systemEngineering
Owner:东莞市百分百建设工程有限公司
Energy-saving and environment-friendly bird repelling device for repelling birds through wind power generation
ActiveCN114271256AFast flowWind powerWind motor controlWind energy with electric storageAir velocityMarine engineering
The invention discloses an energy-saving and environment-friendly bird repelling device for repelling birds through wind power generation, which comprises a base and an energy storage device, and is characterized in that one side of the base is connected with an ultrasonic bird repelling device, the upper end of the base is connected with the energy storage device through a rotating device, and the energy storage device comprises an air inlet barrel, a power generation device, a power device and a storage battery; the air inlet barrel is trumpet-shaped, and the power device comprises a multi-stage torsion protection mechanism and a pneumatic mechanism. The wind power generation device has the beneficial effects that the air inlet barrel is arranged to be in a horn shape, when wind passes through the air inlet barrel, the air flow speed is higher due to the cambered surface of the horn opening, and therefore the wind energy obtained by the pneumatic mechanism is larger, and the power generation effect of the power generation device is better; when the wind speed is too high and the rotating speed of the pneumatic mechanism is too high, the rotating speed of the pneumatic mechanism is changed when the arranged elastic sliding mechanism slides in the grading groove through torsion protection, and damage is avoided.
Owner:河北孟邦电力科技有限公司
Energy gathering device
InactiveCN103835875AEnsure safetyEasy to installRenewable energy generationMachines/enginesEngineeringWind power
The invention discloses an energy gathering device. The energy gathering device comprises one or more wind energy collecting units and main shafts. Through holes are formed in the centers of the wind energy collecting units respectively, and the main shafts penetrate through the through holes to be connected with the wind energy collecting units. A plurality of rotating blades are arranged in each wind energy collecting device and are fixedly connected to the corresponding main shaft, and a plurality of ventilation openings are formed in the periphery of each rotating blade and include the air inlets and the air outlets with the diameter smaller than that of the air inlets. By fixedly connecting the rotating blades to the main shafts directly and adopting the ventilation openings with the air inlets larger than the air outlets, wind energy can be comprehensively utilized, a large amount of wind energy can be acquired, the mixing blades can be protected, and the purposes of making installation convenient, improving the utilization ratio of the wind energy and guaranteeing personnel security are achieved.
Owner:陆建明
Yaw circuit system in wind power generating system
ActiveCN102096313AWind powerFast and smooth alignmentPhotomechanical apparatusComputer moduleSteering control
The invention relates to a circuit system in a wind power generating system, in particular to a yaw circuit system in the wind power generating system. The yaw circuit system comprises a microprocessor for receiving the sample of output voltage of a fan, a wind direction sensor for inputting a wind direction signal into the microprocessor, a wind speed sensor for inputting a wind speed signal into the microprocessor, a yaw motor steering control module for receiving a signal of the microprocessor and controlling a yaw motor to steer, a keyboard module and a display module which are connected with the microprocessor, and a power conversion module which is respectively connected with the wind direction sensor, the wind speed sensor, the microprocessor and the yaw motor steering control module. A yam system can be quickly and stably aligned with the wind direction, so that a wind wheel can acquire the maximum wind energy.
Owner:佛山市欧亚玛电器实业有限公司
Tea garden purging physical deinsectization machine
The invention relates to a tea garden purging physical deinsectization machine which comprises an air blower, an isolating membrane, an insect collection frame, a gas-distributing pipe and a pulling rope. The air blower is connected with the gas-distributing pipe through a gas outlet pipe, the gas-distributing pipe is mounted on the isolating membrane, and the insect collection frame covers the isolating membrane. The tea garden purging physical deinsectization machine is light in weight, high in overall strength, large in wind energy, wide in effective range and good in insect collection effect, wind directions can be changed back and forth, and insect leakage is omitted.
Owner:ZUNYI INST OF FORESTRY
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