82 results about "Wind energy conversion" patented technology

The invention belongs to the technical field of comprehensive utilization of ocean renewable energy sources, and particularly relates to a pilot frequency coupling-based wind wave energy multi-degree-of-freedom broadband control method, which comprises the following steps of: performing frequency domain identification on wind wave environment characteristics, and constructing a wind wave pilot frequency energy coupling model; based on the motion response characteristics of the multi-degree-of-freedom floating platform, designing a pilot frequency energy regulation and conversion mechanism; a full-working-condition dynamic optimization control strategy is adopted, and cooperative operation and energy flow self-adaptive distribution of the wind energy conversion unit and the wave energy conversion unit are achieved. Aiming at the significant difference and relevance of wind energy and wave energy in frequency characteristics, time scale and spatial distribution, a pilot frequency wind wave coupling dynamic model is established, and broadband capture of low-frequency wind-induced and high-frequency wave-induced coupling energy is realized under complex sea conditions through multi-degree-of-freedom motion decoupling and state observation, so that the wind-induced and high-frequency wave-induced coupling energy is obtained. The energy utilization rate, the attitude stability and the structural safety of the system are effectively improved, and good robustness and engineering adaptability are achieved.

The invention belongs to the technical field of wind power generation, and particularly discloses a wind energy directional rectifier which comprises a body and at least one airflow channel, the body is provided with at least one airflow channel in the extending direction of the central axis, and the body and the airflow channels are each of a streamline gradual change structure and have the same gradual change direction. Comprising a device for converting the wind energy rectified by the wind energy directional rectifier into mechanical kinetic energy to drive a generator to generate electricity. Wind energy in different directions is collected through the wind energy directional rectifier and then converged together to become high-speed jet flow consistent in direction and stable in flow speed, then the high-speed jet flow is converted into mechanical kinetic energy through the power conversion structure, finally the generator is driven to generate electricity, the wind energy utilization efficiency of the wind power conversion device is effectively improved, and the wind energy utilization efficiency is improved. The power generation efficiency of the wind-power conversion device is improved.

The invention relates to the field of electric power, in particular to a wind power generation system. Comprising a rotating base and a wind power driving component installed on the rotating base, a middle base is connected to the rotating base in a matched mode, two fixing pieces are symmetrically and rotationally connected to the middle base, motors I are fixedly connected to the two ends of the middle base, rotating shafts are connected to output shafts of the two motors I through couplings, and the two rotating shafts are fixedly connected with the two fixing pieces respectively. The rotating seat is rotationally connected to the middle seat, a gear ring is fixedly connected to the rotating seat, a gear is fixedly connected to the middle seat, a motor III is fixedly connected to an output shaft of the gear, and the motor III is in meshing transmission connection with the gear ring. The wind power generation device has the beneficial effects that windward stress can be carried out at different height positions to realize conversion and utilization of wind energy.

The application relates to the field of ship energy centralized management technology, in particular to a comprehensive ship electric energy management system based on the Internet of Things, which comprises a front-end power generation module, an electric power algorithm module, a control management module, a front-end monitoring module and a man-machine interaction module; the front-end power generation module converts wind energy into electric energy, converts heat energy generated by diesel engine work into electric energy and converts mechanical energy output by the diesel engine into electric energy; the front-end power generation module is connected to a power grid and delivers electric power to the power grid; the electric power algorithm module monitors electric power output of a wind flow power generation unit, a low-temperature waste heat unit and a shaft power generation unit, collects and analyzes stored electric energy of the front-end power generation module; the front-end monitoring module is used for monitoring electric power generation; and the control management module adjusts electric power flowing into the power grid according to fitting and analysis results. The application has the effect of reducing additional energy consumption of the ship and maintaining overall electric energy efficiency of the ship in an optimal range.

The invention provides a wind power deviation correction method, and relates to the field of wind power deviation correction, and the method comprises the following steps: obtaining five-element microclimate operation data of a wind power plant, and constructing a five-element feature vector; a microclimate state vector is generated through a microclimate state encoder, and the fusion weight of the LSTM and the Self-Attention is dynamically calculated; respectively processing short-term, medium-term and long-term time sequence dependency relationships, and generating a global dependency feature vector; embedding a wind energy conversion physical law into a loss function, and constructing a physical constraint reinforcement learning framework; dynamically adjusting the weight of each microclimate factor to generate a weighted feature vector; and generating a final wind power deviation correction result through the decoder network. According to the method, through microclimate adaptive model fusion, multi-scale time sequence modeling, physical constraint enhancement and dynamic feature optimization, the accuracy of wind power deviation correction and the adaptability to different meteorological conditions are improved.

The natural energy power generation assembly of Pan is in the field of new energy, which is composed of solar photovoltaic panel, centrifugal fan component, wind control component, wind receiving component and generator, the main idea is to obtain 1100W / hour of electric energy through solar panel, and convert 200W / hour to 400W / hour of electric energy into negative pressure energy acting on the wind control component through the centrifugal fan, and convert the negative pressure energy into wind energy with wind speed of 11m / s to 45 / s through the cooperation of "fire tornado" effect device and "Laval tube" in the wind control component, and convert the wind energy into kinetic energy of 300rpm to 500rpm through the wind receiving component to drive the generator to generate 1000W / hour to 2000W / hour of electric energy.

The present application relates to high-altitude wind energy field, disclose a kind of hoist type umbrella type wind energy conversion method and power generation system.The first cable of the method is tied to the edge of the umbrella of working umbrella;Second cable is tied to the top of the umbrella of working umbrella.Power generation stage, high-altitude wind energy drives working umbrella to rise, first cable and second cable respectively pull first drum and second drum to rotate, and first drum or second drum drives generator to generate electricity;Close umbrella stage, working umbrella rises to first height, first cable stops rope than second cable, umbrella edge continues to rise and folds up to close;Recycling stage, motor drives first drum and second drum to rotate simultaneously, and first cable and second cable pull working umbrella to descend;Open umbrella stage, working umbrella descends to second height, first cable stops rope than second cable, umbrella edge continues to descend and folds down to open.The present application is used to solve the opening and closing problem of umbrella type wind energy conversion device, and achieves the effect of simple, efficient and reliable.

The invention discloses a novel offshore wind power generation system control method based on a disturbance observer, and relates to the technical field of permanent magnet synchronous wind power generator control. The method comprises the following steps: constructing a mathematical model of a wind turbine, and designing a maximum power tracking module; constructing a mathematical model of the permanent magnet synchronous generator; designing a disturbance torque observer, and introducing a low-pass filter to improve the observation precision; designing a sliding mode controller based on a double-exponential reaching law; and combining the output values of the sliding mode controller and the disturbance torque observer as a q-axis current instruction to control the rotating speed of the permanent magnet synchronous generator. According to the method, the maximum power point of the wind turbine is captured, the air disturbance torque is estimated and compensated, accurate and rapid tracking of the rotating speed of the rotor matched with the maximum power point of the wind turbine is achieved through the novel double-exponential sliding mode controller, and the wind energy conversion efficiency is improved. And the anti-interference capability of the wind power generation system is enhanced in a complex marine environment.

The utility model relates to wind driven generator technical field discloses a wind driven generator, its characterized in that, including fan main shaft, first blade layer, first blade layer includes a plurality of first blade, first blade is along the circumferential interval distribution of fan main shaft, second blade layer, second blade layer includes a plurality of second blade, second blade is along the circumferential interval distribution of fan main shaft, and second blade layer is set in the circumferential of fan main shaft relative to first blade layer staggered angle, the wind driven generator provided by the utility model, through setting first blade layer and second blade layer, and second blade layer is in the circumferential of fan main shaft relative to first blade layer staggered angle, can reduce the wind catching empty window period of fan rotation, improve the utilization of effective wind sweeping area, strengthen the overall wind catching capacity, simultaneously, the difference of angle of attack change that two layers of blades experience in the rotation process, can alleviate dynamic stall phenomenon, help to promote the wind energy conversion efficiency.

The utility model discloses a kind of reinforced axial flow fan blades, it is related to axial flow fan blade field, including mounting hub, the inner side of mounting hub is uniformly fixedly connected with installation component, another end of installation component is fixedly connected with mounting seat, the other side of mounting seat is uniformly fixedly connected with blade body, installation component includes the clamping frame being set in mounting hub inner side, the clamping frame penetrates mounting hub, the upper and lower sides of clamping frame are uniformly set with clamping hole, one side of mounting seat is fixedly connected with clamping block, clamping block and clamping frame are mutually inserted. The utility model uses above-mentioned structure, installation component is set in the inside of mounting hub, can reduce the eddy current and turbulence due to component obstruction, axial flow fan blade can more smoothly guide airflow, reduce energy loss, and then significantly improve wind energy conversion efficiency, ensure that axial flow fan blade always maintains efficient operating state during working process.

The invention relates to the technical field of power supply of wind power detection equipment, in particular to a multi-mode power supply device for wind power blade detection equipment. And the power supply assembly comprises a wind power storage bin, and the wind power storage bin is fixedly connected to the top of the device bottom plate. According to the multi-mode power supply device of the wind power blade detection equipment and the use method, by installing the power supply assembly, the wind power storage bin can serve as a core energy storage module to be fixed to the top of the bottom plate of the device and is specially used for bearing and storing wind energy input by external wind power generation equipment through a wind power charging hole and converting the wind energy into electric energy; basic power supply support is provided for the wind power blade detection equipment, electric energy converted by the solar panel is accurately conveyed to the wind power storage bin or the standby storage bin through the power storage wire for classified storage, and a multi-mode power supply guarantee system with dual-energy complementation, efficient collection and stable storage is constructed for the wind power blade detection equipment; and thus, the continuous power utilization requirements of the equipment in different environments are met.

The invention relates to the technical field of wind driven generators, and discloses a rigid inverted cone vortex-induced swing vibration type wind driven generator which comprises a shell, a wire, a permanent magnet, a spherical hinge, a base, a return mechanism and a lubricating mechanism. The wire is installed on the inner wall of the shell, the shell is fixedly connected with a ball seat of the spherical hinge, and the permanent magnet is fixedly connected with a ball head of the spherical hinge; the base is fixedly connected with a ball head of the spherical hinge, the return mechanism is arranged on the inner wall of the base, and the lubricating mechanism is arranged in the spherical hinge. An independent motor is not needed, the structure is more compact, any transmission mechanism is not needed, energy loss is reduced, the wind energy conversion rate is increased, and wind energy capture at any angle can be achieved.

A method is presented for determining a setpoint signal of a wind energy conversion system. The method includes: providing a first input signal, comprising system frequency values of an electric power system, and a second input signal comprising an angular speed value of a wind energy conversion system; determining, from the first input signal, an intermediate signal comprising system frequency deviation values, the system frequency deviation values indicating deviations between the system frequency values and a target frequency value; determining, from the intermediate signal and the first input signal, a power correction signal comprising a first power value; determining, from the second input signal, a first reference signal comprising a second power value corresponding to a point of maximum power extraction of the wind energy conversion system; and determining a setpoint signal for setting an output power value of the wind energy conversion system.

The invention relates to a wind energy utilization technology in the field of new energy, in particular to a wind energy wind turbine with high energy conversion, and mainly solves the problem that an existing fan is low in wind energy conversion efficiency. A wind energy wind turbine comprises a wind guide assembly, a fan blade assembly and a structural member, the fan blade assembly is composed of fan blades and fan blade connecting pieces, the wind guide assembly is composed of a wind guide plate and a wind guide body, and the wind guide plate and the wind guide body are fixedly connected together through a top cover or a base. The wind turbine is characterized in that an air flow channel for guiding air flow to flow is formed between the air guide plate and the air guide body, the air flow channel is conical, the sectional area of the air flow channel is gradually reduced from air inlet to air outlet, the air guide plate intercepts and collects incoming air and guides the incoming air into the air flow channel in the wind turbine, and the incoming air flows in the axial direction of the air guide body and is accelerated. And the air flows out of the air outlet of the air flow channel to blow the fan blades at the air outlet to rotate.

The application discloses a typhoon intensity self-adaptive correction method for offshore wind power, relates to the technical field of offshore wind power prediction and typhoon early warning, and the method firstly fuses marine monitoring data and a typhoon prediction initial field, recursively updates a typhoon center position and a maximum wind speed; then a mapping relationship between a typhoon wind field and a geographical position of a wind power plant is constructed, fine wind speeds of each machine position are obtained, and wind power generators are divided into three types of operating states, i.e., low constant speed, maximum power tracking and high constant speed, according to the wind speeds; aggregated parameters are dynamically adjusted according to different operating states, a wind energy conversion efficiency coefficient is corrected on line, and collaborative optimization is formed; when electrical parameters are detected to be abnormal, the method is switched to a correction parameter in a fault ride-through state; and the application realizes closed-loop feedback of typhoon intensity prediction and wind power prediction, and significantly improves the offshore wind power prediction accuracy and the power grid operation safety during the influence of a typhoon.

The application relates to the technical field of wind power generation equipment, in particular to a fan blade and a wind driven generator. The fan blade of the application adopts a symmetrical airfoil design and has obvious aerodynamic performance advantages. The symmetrical airfoil makes the fan blade maintain relatively uniform airflow distribution in the rotating process regardless of the angle, thereby reducing turbulence and resistance and improving wind energy conversion efficiency. In addition, the head and tail design of the symmetrical airfoil makes the fan blade more balanced under stress, enhances the structural stability and service life of the fan blade. Through real-time optimization of the airfoil by a curve equation, the current environmental wind power conditions can be further matched, so that the fan can maintain the best operating state under different wind speeds.

The wind wheel blade structure comprises an upper end cover, a vertical shaft, a tension bar, an external H-shaped wind wheel blade, an internal air duct and a lower end cover, the spiral design of the internal air duct is beneficial to guiding airflow to smoothly pass through an internal space, eddy current loss is reduced, the wind energy conversion efficiency is improved, and the wind wheel blade structure can be started at low wind speed. The internal air duct rotates at a constant speed to drive the external H-shaped wind wheel blades to rotate, the speed is controllable, and the effect of stably outputting electric power is achieved. The wind driven generator can be started at low wind speed, the speed is controllable, and electric power is stably output.

The utility model discloses a self-adaptive energy storage heating deicing system for a road surface, and solves the technical problems that the road surface is damaged or corroded and manpower is consumed due to the fact that ice and snow are removed by using mechanical equipment or a snow melting agent in the prior art. Comprising a first energy collection mechanism arranged on a road base layer and a road surface layer, a second energy collection mechanism arranged on one side of a road, an energy storage mechanism connected out of the first energy collection mechanism and the second energy collection mechanism, and a plurality of heat release mechanisms distributed in the road base layer in the length direction of the road. And the plurality of temperature sensors are distributed on the road surface layer along the length direction of the road and are respectively connected out of the energy storage mechanism. According to the utility model, the road is heated to remove ice and snow in a manner of converting vehicle mechanical energy, solar energy and wind energy into electric energy and then converting the electric energy into heat energy, so that the road surface is prevented from being mechanically damaged or corroded by a snow melting agent; the road ice and snow removing device is free of manual participation in the road ice and snow removing process, and manpower consumption is avoided.

1. Name of the product in this design: Wind turbine generator. 2. Purpose of this design: A device for converting wind energy into electrical energy in a wind turbine generator. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses a multi-modal fusion-based wind and light power prediction data quality verification method, and relates to the technical field of quality verification, and the method comprises the following steps: S1, multi-modal data collection: obtaining required data including numerical weather forecast data, satellite remote sensing data including a cloud picture sequence of a visible light / infrared band and ground actual measurement data; according to the multi-modal fusion-based wind and light power prediction data quality verification method, the limitation of traditional single data source or simple threshold verification is broken through, and four kinds of modal information of NWP meteorological data, satellite remote sensing cloud pictures, ground actual measurement data and power grid dispatching instructions are creatively fused. By constructing a time-space consistency verification model based on atmospheric physics, a photoelectric / wind energy conversion mechanism and a power grid dispatching rule, the authenticity of data can be verified in a multi-angle and multi-level cross manner, various dominant and implicit anomalies can be effectively identified, and the accuracy of data verification is improved.

This invention relates to the field of arid microenvironment water retention and regulation equipment technology. A water pump cylinder is fixedly mounted on a base, with an inlet pipe connected to a water tank. A one-way valve piston is located inside the pump cylinder. A drive shaft is spun onto a frame via bearings. A cup-type rotor is fixedly mounted on the upper end of the drive shaft. A lifting mechanism and a drive mechanism are mounted on the frame, and a speed limiting mechanism is mounted on the drive shaft. The device converts wind energy into the kinetic energy for water pumping using a wind turbine. Based on this, it features an adjustable pump volume and a speed limiting structure for wind-driven operation. This allows the device to utilize wind energy in the environment to regulate water retention in the microenvironment. The device can adjust the water replenishment rate according to environmental changes, enabling precise regulation of the microenvironment in arid environments. Furthermore, the device has a simple structure and uses a conventional mechanical function, allowing for cost-effective large-scale deployment.

Wind-resistant energy harvesting tower including a main column extending vertically from a base, and a plurality of ledges extending laterally outward from main column, each ledge including solar panel for absorbing and converting solar energy into electricity. Tower includes wind turbine positioned between ledges, for converting wind energy into alternate energy. At least one of main column and ledges is rotatable to orient tower to minimize drag when subject to wind loads. A rotor may rotate ledges to a ledge orientation for increasing wind resistance of tower. Main column may include wind resistance geometry to enable rotation of main column about its longitudinal axis when subject to wind loads. Ledges may include first ledge portion having lower wind resistance and second ledge portion having higher wind resistance and longer than first ledge portion, for compelling a rotation of ledge along wind direction when subject to a wind load.

The invention discloses a control method and device of a wind turbine unit, a storage medium and an electronic device. The method comprises the steps that the wind speed and the wind direction of wind flowing through the wind turbine unit within a preset time period are obtained; controlling the orientations of the first wind wheel and the second wind wheel according to the wind direction so that the orientations of the first wind wheel and the second wind wheel are parallel to the wind direction; and the relative positions of the first wind wheel and the second wind wheel are controlled according to the wind speed, so that the overlapping area of the first wind wheel and the second wind wheel in the wind direction is adjusted. The wind wheel is guaranteed to be parallel to the wind direction to the maximum extent, the wind energy capturing efficiency is improved, the unit can be kept in a stable operation state under different wind speed conditions by adjusting the overlapping area, and the problems that the wind energy conversion efficiency is low under the high wind speed and the wind capturing area is small under the low wind speed are solved. The flexibility and adaptability of the wind turbine unit are improved, and the overall efficiency and economical efficiency of wind power generation are improved.

The utility model relates to multi -energy complementary technical field especially a kind of multi -energy complementary collection device, comprising: collection box;Battery is set in the inside of the collection box, for storing electric energy;Solar photovoltaic panel is set in the surface both sides of the collection box, and with the battery electricity is connected, for converting solar energy into electric energy;Wind power generation component is set in the top edge of the collection box, and with the battery electricity is connected, for converting wind energy into electric energy;Hydraulic conversion device is set in the inside of the collection box, for converting water energy into electric energy. Through hydraulic conversion device, first rainwater is collected, reaches specified measurement, utilizes the kinetic energy generated by rainwater to generate electricity, realizes the collection of energy in windless rainy day, ensures the normal use of multi -energy complementary collection device, improves the collection range of collection device.

The invention provides a solid state disk, a control method, a server system and a storage medium. The solid state disk comprises an energy collection and conversion module, an electric quantity storage module, a control module, a detection module and a storage module. The energy collection and conversion module is used for collecting wind energy generated by a fan in the server after the solid state disk is inserted into the server and converting the collected wind energy into electric energy; the electric quantity storage module is used for storing the electric energy converted by the energy acquisition and conversion module; the detection module is used for detecting the voltage of the electric quantity storage module and sending the detected voltage value to the control module; the control module is used for determining whether the detected voltage value is larger than or equal to a first preset voltage threshold value or not and controlling the electric quantity storage module to supply power to the storage module when the detected voltage value is larger than or equal to the first preset voltage threshold value, and the solid state disk can improve the resource utilization rate, save energy and reduce emission.

The present application relates to the technical field of mine ventilation, and provides a regulating air window. The regulating air window comprises a main frame body, a fan blade assembly, a wind power generation assembly and a wind cover assembly. The fan blade assembly is arranged on the main frame body and surrounds a ventilation cavity. The blades of the fan blade assembly are rotatable and can adjust the communication area between the ventilation cavity and the outside by rotating the blades. The wind power generation assembly is arranged in the ventilation cavity and is used for converting wind energy in the ventilation cavity into electric energy. The wind cover assembly is arranged in the ventilation cavity and is switchable between an expanded state and a compressed state. When the wind cover assembly is in the compressed state, the wind power generation assembly is exposed in the ventilation cavity. When the wind cover assembly is in the expanded state, the wind cover assembly is arranged outside the wind power generation assembly. While regulating the air volume, the wind energy is recycled, and the energy utilization efficiency is improved.

The invention relates to the technical field of wind power generation, in particular to a sail drum type multifunctional wind power generation device which comprises a base, an inner tower and an outer drum, the inner tower is connected to the base, the inner tower is sleeved with the outer drum, the outer drum is rotationally connected with the inner tower and the base through an inner bearing assembly and a bottom bearing assembly, and the top of the inner tower is connected with a top plate; the upper end face of the outer side of the top plate is connected with a supporting frame, the supporting frame is connected with a wind energy conversion assembly, the outer edge of the top of the outer barrel is connected with a driving toothed belt, the wind energy conversion assembly is meshed with the driving toothed belt, the outer end face of the inner tower is connected with a plurality of coils, and the inner end face of the outer barrel is connected with a plurality of permanent magnets. According to the wind power generation device, wind power generation is achieved, the speed of a ship is controlled in an auxiliary mode, meanwhile, the wind power is used as auxiliary power for pushing the ship, fuel oil consumption is reduced, and the wind power generation device has wide application prospects in the technical field of wind power generation.

The utility model discloses a wind power generation device which comprises a machine frame and a generator arranged on the machine frame, a wind energy conversion body used for converting wind energy into rotating kinetic energy is arranged on the machine frame, and the wind energy conversion body is composed of a horizontal rotating shaft and a spiral blade arranged on the horizontal rotating shaft. The end part of the horizontal rotating shaft is connected with a rotating shaft of the generator; the helical lead of the helical blade is constant, and the helical angle of the helical blade is 32-46 degrees. According to the wind power generation device, the wind energy conversion body is only composed of the horizontal rotating shaft and the spiral blades arranged on the horizontal rotating shaft, so that the structure of the wind power generation device is greatly simplified, the manufacturing and assembling difficulty of the wind power generation device is reduced, and the manufacturing cost of the wind power generation device is also reduced; and no shell is arranged on the outer side of the wind energy conversion body to prevent the wind flow from acting on the spiral blades, so that more wind flow can act on the blades, and the power generation efficiency is higher.

The invention provides an offshore wind power operation and maintenance method and system based on a digital twinning technology, and relates to the technical field of offshore wind power operation and maintenance methods, and the method comprises the steps: calculating the maximum theoretical power of a fan according to the Betz limit definition; converting a dynamic ratio of wind energy efficiency conversion into a difference equation by adopting forward Euler discretization, and constructing a state space model by adopting Kalman filtering to update the wind energy conversion efficiency of each sampling point; and constructing a dynamic threshold value of the wind energy conversion efficiency by adopting an exponential weighted movement method. The air density is dynamically corrected through a temperature compensation method, so that theoretical power calculation better fits the real atmospheric environment where the fan is located; kalman filtering is adopted to solve the discretized state space model, and prediction and actual observation values of the mechanism model can be optimally fused; a dynamic threshold value is generated by adopting an exponential weighted moving method, and the threshold value can be adaptively adjusted along with the long-term trend and short-term fluctuation of the wind energy conversion efficiency.

The utility model provides an energy-saving tunnel type electric heating furnace which comprises a furnace body and a gas conveying pipe fixedly installed on the inner wall of one side of the furnace body, the inner side wall of the gas conveying pipe is rotationally connected with a flow guide rod, one side of the gas conveying pipe is communicated with a plurality of speed regulation boxes, and one side of each speed regulation box is fixedly provided with a transition column. The wind power generation device has the advantages that wind energy can be converted into kinetic energy of the flow guide rod through the flow guide rod when air is input into the air conveying pipe, then the driving rod can rotate in the speed regulation boxes under the action of the bevel gears, and therefore the wind power generation device can be used for driving the air conveying pipe to rotate. A driven rod rotates in a transition box and a transition column, so that a conveying rod and a conveying pipe can be driven through flowing of air, the air in an air conveying pipe is conveyed into the conveying pipe through a gearbox and the transition box, and parts on the conveying pipe are heated; and therefore, the energy-saving property of the tunnel type heating furnace is improved.