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741 results about "Wind driven" patented technology

Wind Driven Rain is an illusive definition that is almost as illusive as the payments received by your insurance company from damages resulting from it. Simply put, wind driven rain is damage caused by rain that comes through an opening being propelled by wind or wind driven.

Semi-submersible type wave energy-wind energy integrated power generation platform and damping regulation and control method of damping regulation and control system of semi-submersible type wave energy-wind energy integrated power generation platform

The invention discloses a semi-submersible wave energy-wind energy integrated power generation platform and a damping regulation and control method of a damping regulation and control system of the semi-submersible wave energy-wind energy integrated power generation platform. The platform comprises a semi-submersible wind driven generator platform, a wind driven generator set, a wave energy power generation device, an energy storage system, a sea area detection system and the damping regulation and control system. The wave energy power generation devices are divided into two groups on the inner side and the outer side of the platform, each wave energy power generation device comprises a platform inner side wave energy power generation device and a platform outer side wave energy power generation device, and each wave energy power generation device comprises a swing arm floater, a universal hinge, a connecting arm and a damping adjusting module. The semi-submersible wind power generation device and the wave power generation device are combined, and offshore renewable resources are comprehensively utilized; the six-buoy design is adopted, buoyancy is dispersed, stability and safety are improved, and meanwhile space is provided for a wave power generation device; the floaters are symmetrically arranged in a hexagonal shape and carry a damping regulation and control system, and the whole structure is more easily stabilized by adjusting the damping of the floaters in all directions.
Owner:JIANGSU UNIV OF SCI & TECH

Wind power cluster regulation and control method, system and equipment based on distributed computing and medium

The invention discloses a wind power cluster regulation and control method, system and device based on distributed calculation and a medium, and belongs to the technical field of wind power cluster regulation and control, and the method comprises the steps: obtaining the historical wind speed and wind direction data of each wind driven generator in a wind power cluster; calculating a wind condition correlation coefficient between any two wind driven generators; constructing a graph model of a wind power cluster; based on the clustering number, clustering wind power generators in the wind power cluster to obtain a plurality of wind power groups; on the basis of a wind power set, an optimization objective function is constructed in combination with resource constraint conditions of the distributed computing nodes, and a distribution strategy of the distributed computing nodes is determined through an optimization algorithm; and operation regulation and control of the wind power cluster are realized. According to the method, the wind regime correlation coefficient is introduced to construct the graph model, the wind regime correlation degree between the wind driven generators can be accurately reflected, and the physical reasonability of clustering division is improved. The clustering number is determined through graph feature similarity matching, and the problem that parameter setting depends on experience in a traditional clustering method is avoided.
Owner:HUANENG JIUQUAN WIND POWER CO LTD

Wind power generation device and wind power generation control method thereof

The invention discloses a wind power generation device and a wind power generation control method.The wind power generation device comprises a supporting column, a sensor and a wind power generation mechanism, the wind power generation mechanism comprises a generator and a fan blade set, the wind power generation device further comprises a speed reduction mechanism, the speed reduction mechanism is electrically connected with a control system, and the sensor is electrically connected with the control system; when the sensor detects that the external wind speed reaches the first preset value, the control system controls the speed reduction mechanism to blow air to the fan blade set, speed reduction is conducted through blowing, a braking speed reduction structure does not need to be additionally installed between the blades and the generator, and therefore mechanical abrasion and maintenance cost are reduced; a complicated mechanical braking speed reduction structure is not arranged, so that the design of the wind driven generator is simpler, the weight is lighter, and the installation and the maintenance are more convenient; and mechanical parts are reduced, so that the reliability of the whole system is improved, potential fault points are reduced, and the service life of the wind driven generator is prolonged.
Owner:ZHONGSHAN AMIRAY TECHNOLOGY CO LTD

Large megawatt fan converter heat dissipation device and method based on seawater cooling

The invention provides a large megawatt fan converter heat dissipation device and method based on seawater cooling, the large megawatt fan converter heat dissipation device comprises a cooling circulation system connected with a converter, the cooling circulation system is connected with an external heat exchanger, and a cooling medium circulates between the converter and the external heat exchanger through the cooling circulation system; and a control three-way valve is arranged in the cooling circulation system to control the flow of a cooling medium participating in heat exchange so as to realize temperature adjustment. In order to cool a converter of a high-power wind turbine generator, three external cooling system control schemes are listed: an external cooling system is an independent air-cooling heat dissipation system, the external cooling system is an independent seawater cooling heat dissipation system, and the external cooling system is an air-cooling and seawater cooling heat dissipation system; the heat dissipation capability of the high-power wind turbine generator converter is ensured, the operation stability of the wind turbine generator core part converter is improved, faults caused by high operation temperature of the converter are reduced, the wind turbine generator is enabled to operate reliably, and the availability of the wind turbine generator is improved.
Owner:THREE GORGES NEW ENERGY OFFSHORE WIND POWER OPERATION & MAINTENANCE JIANGSU CO LTD

Wind power generation variable pitch load suppression method and system

The invention discloses a wind power generation variable pitch load suppression method and system, and relates to the technical field of wind power generation variable pitch load suppression, and the method comprises the steps of basic data acquisition, basic data analysis, power generation rate analysis, load data analysis and load abnormity processing. Whether hydraulic variable pitch operation is carried out or not is judged, then whether the power generation rate of the wind driven generator is qualified or not is judged, the wind load, the inertia load, the gravity load and the hydraulic cylinder load of each blade are combined for analysis, then the load coupling value of each blade is obtained, and the load abnormal condition of the wind driven generator is obtained through analysis; the problem of limitation existing in the current wind power generation variable-pitch load suppression analysis process is solved, comprehensive and objective analysis of wind power generation variable-pitch load suppression analysis is achieved, and reliability and authenticity of a wind power generation variable-pitch load suppression analysis result are guaranteed.
Owner:SHENYANG INST OF ENG

Wind driven generator large-torque transmission chain resistance increasing control method and system

The invention discloses a wind driven generator large-torque transmission chain resistance increasing control method and system, and relates to the technical field of wind driven generator resistance increasing control. The method comprises the steps that operation parameters of a wind driven generator are collected in real time and preprocessed; calculating a rotation fluctuation frequency set and a corresponding amplitude spectrum of the current time window, and tracking and locking the dominant vibration frequency; constructing a fan state space prediction model containing the torsional vibration state of the transmission chain, outputting the predicted variable quantity of the torque of the transmission chain in the next control period, constructing a filter bank based on the dominant vibration frequency, performing filtering compensation on the predicted variable quantity, and generating an electromagnetic torque given value; and performing phase lead compensation on the electromagnetic torque given value, generating a control instruction, sending the control instruction to the wind power converter, and controlling the wind power generator to output the corresponding electromagnetic torque by using the wind power converter. Through systematic multi-link cooperative processing, the vibration suppression effect and the operation stability of the transmission chain can be comprehensively improved.
Owner:CHINA HUANENG INT ENG & TECH CO LTD +1

Wind power blade fatigue damage early warning method and system based on modal energy deviation

The invention provides a wind power blade fatigue damage early warning method and system based on modal energy excursion, and relates to the technical field of wind driven generators. According to the method, a multi-dimensional health baseline library is established under the healthy state of a wind power blade, and a current total strain signal and temperature distribution are synchronously collected in the operation process of a fan; performing temperature-strain decoupling on the total strain by using a healthy baseline library, and accurately extracting a real mechanical strain signal caused by the mechanical load; on the basis, a working condition modal recognition method is adopted to steadily obtain a current inherent frequency and a strain modal shape from real mechanical strain; calculating a current modal energy proportion and comparing the current modal energy proportion with the health baseline to generate an offset index reflecting a modal energy localization degree; and finally, in combination with the amplitude, the duration and the dynamic evolution trend of the offset index, and in combination with a fatigue accumulated damage assessment result, performing graded early warning judgment, and realizing early perception, accurate positioning and risk graded output of the fatigue damage of the blade.
Owner:SHANTOU UNIV

Blade state monitoring device for wind driven generator and wind driven generator

The invention discloses a blade state monitoring device for a wind driven generator and the wind driven generator, and relates to the field of data monitoring, and the blade state monitoring device comprises a device integration multi-mode sensor module, a self-cleaning deicing module, a lightning stroke monitoring module, an edge calculation module, an anti-typhoon monitoring module, an energy supply module and a communication gateway module. Strain, vibration and temperature sensors are arranged at the root, the tip and the surface of the blade, and an icing detector is arranged at the front edge. And deicing is realized through hot air injection and the nano coating. And a lightning sensor and ultraviolet imaging are used for positioning lightning stroke. And an AI chip is arranged in the edge computing node to diagnose damage. The fiber grating sensor monitors typhoon strain. The solar film and the miniature wind driven generator supply power. And the communication module supports LoRaWAN and Beidou short messages. And the far-end intelligent diagnosis module predicts the service life through machine learning and provides maintenance suggestions. The system has the advantages that the blade state is accurately monitored in real time through the integrated multi-mode sensor and module technology, operation safety is guaranteed, the service life of equipment is prolonged, and efficient utilization of clean energy is facilitated.
Owner:HUANENG YINGKOU XIANRENDAO CO GENERATION CO LTD +1

Wind power generation blade maintenance positioning method, system and equipment and storage medium

The invention relates to the technical field of wind power generation equipment detection, in particular to a wind power generation blade overhauling and positioning method, system and equipment and a storage medium. Acquiring a multi-angle detection image of the blade surface of the wind driven generator; performing defect feature extraction on the multi-angle detection image, and identifying a damaged area on the surface of the blade; calculating actual physical coordinates of the damage on the surface of the blade based on the position coordinates of the damage area in the image in combination with the shooting parameters; and generating maintenance operation guidance information according to the actual physical coordinates. Through multi-angle image acquisition, the limitation of traditional single-visual-angle detection is broken through, full-coverage detection of the blade surface is realized, and a visual blind area and detection omission are effectively avoided; accurate identification and quantitative evaluation of various damage types such as cracks, corrosion, abrasion and deformation are realized through an intelligent feature extraction and matching technology; by establishing image coordinates and physical coordinates, the technical bottleneck of conversion from a two-dimensional image to a three-dimensional physical coordinate is solved, and accurate damage positioning information is provided for maintainers.
Owner:HUANENG JIUQUAN WIND POWER CO LTD

Anti-loosening bolt for wind driven generator

The utility model relates to the technical field of anti-loosening bolts, in particular to an anti-loosening bolt for a wind driven generator, which comprises a bolt and a nut, the bolt comprises a head and a screw rod, the nut is in threaded connection with the surface of the screw rod, a sliding groove is arranged on the surface of the screw rod, and a circular ring base plate is sleeved on the surface of the screw rod. And a limiting block is fixedly connected to the inner arc surface of the circular ring base plate, the limiting block is clamped in the sliding groove, an inserting groove is formed in the surface of the circular ring base plate, and a locking mechanism is fixedly connected to the surface of the nut. The bolt and the nut can be fixed through matching of the circular ring base plate and the locking mechanism on the nut, so that connection between the bolt and the nut is firmer, the problem of bolt loosening caused by various complex working conditions such as vibration, high and low load changes and strong wind impact in the operation process of the wind driven generator can be effectively solved, and the service life of the wind driven generator is prolonged. The reliability of bolt connection is greatly improved, and stable connection of all parts of the wind driven generator is ensured.
Owner:NINGBO XINGUANGYUAN WIND ENERGY TECHNOLOGY CO LTD

Off-ridge roof ventilation device

An off-ridge roof ventilation device for placing on an opening of a roof deck. The ventilation device comprises an elongated main hood with a curved shape. The right end of the main hood is closed by a right-side panel, and the left end of the main hood is closed by a left-side panel. The main hood comprises a perforated top face and a venting opening on a bottom face. A throat panel is placed on the bottom face of the main hood in a manner to reduce the venting opening. A perforated interior panel is placed between the top face of the main hood and the throat panel to eliminate wind driven rain and / or snow even in high wind situations. The perforations are preferably designed as mini-louvers, wherein the mini-louvers of the main hood and the mini-louvers of the throat panel comprise the same shape and count the same number.
Owner:MARCO INDS

Novel bearing for fan blade main shaft of wind driven generator

The utility model discloses a novel bearing for a fan blade main shaft of a wind power generator, which relates to the technical field of generator bearing equipment, and comprises a bearing seat, a bearing seat base, a bearing cover, a sectional bearing bush, an upper bushing and a lower bushing, the top end of the bearing seat is provided with a circular-truncated-cone-shaped mounting groove, and the bottom end of the bearing cover is a circular-truncated-cone-shaped surface matched with the circular-truncated-cone-shaped mounting groove. A first gap is reserved between the outer wall of the upper bushing and the top wall of the circular-truncated-cone-shaped mounting groove and a first gap is reserved between the outer wall of the lower bushing and the bottom wall of the bearing cover, and a plurality of sectional bearing bushes are movably arranged in the first gaps at equal angles. Compared with the prior art, the service life of the bearing is prolonged, stable and long-acting operation of the wind driven generator is effectively guaranteed, smaller bearing bush segments are adopted, the difficulty in manufacturing, mounting and transporting the bearing bush is reduced, and only a small number of bearing bush segments which break down need to be replaced during maintenance.
Owner:SHAANXI TECHN INST OF DEFENSE IND

Multistage duct turbofan power generation equipment

The invention discloses multistage duct turbofan power generation equipment, and relates to the technical field of power generation equipment. The ducted shell comprises a first ducted shell body and a second ducted shell body which are coaxially arranged in a communicating mode. The flow guide assembly is arranged in the first duct shell and used for guiding external airflow into the second duct shell; the positioning assembly is arranged in the duct assembly; and the middle shaft is arranged in the duct assembly through a positioning assembly. Aiming at the pain points of structural fatigue, shaking and space waste caused by one-way torque conduction when a conventional wind driven generator is mounted on a mobile platform, a conformal integrated duct design is adopted, and a two-stage turbofan, a planetary reverse rotation mechanism and a permanent magnet generator are coaxially integrated, so that air flow shrinks in a trumpet-shaped duct to accelerate pre-swirl flow guide, and the flow guide efficiency is improved. The contra-rotating turbofan is further driven to do work synchronously, the torque is completely self-counteracted, high tip speed ratio operation can be achieved at the low wind speed, and efficient and zero-reaction-torque power generation in the narrow space of the mobile platform is achieved.
Owner:吴剑

Wind driven generator cluster power optimization distribution method based on congestion control

The invention discloses a wind driven generator cluster power optimization distribution method based on congestion control, and belongs to the technical field of wind driven generator cluster control. According to the method, the power distribution problem of the wind driven generator cluster is solved by using a congestion control thought through the similarity between the power flow and the information flow, so that the optimization solution of the output of each wind driven generator in the wind driven generator cluster is realized. Firstly, a global congestion index reflecting the overall power tracking accuracy of a wind driven generator cluster is constructed, and power tracking of a wind driven generator cluster level is achieved; then, constructing a local congestion index reflecting the operation cost of each wind driven generator, and realizing power optimization distribution of a wind driven generator level, thereby reducing the overall operation cost of a wind driven generator cluster; finally, on the basis of the two congestion indexes, the output power of each wind driven generator is adjusted in a self-adaptive mode, and power optimal distribution is achieved. The method is simple in calculation, low in communication burden, plug-and-play and high in practicability.
Owner:XI AN JIAOTONG UNIV

Wind driven generator tower inspection robot

The invention discloses a wind driven generator tower inspection robot, and belongs to the technical field of wind power tower inspection, the wind driven generator tower inspection robot comprises a shell, a constant-pressure polishing mechanism for carrying out constant-pressure polishing and paint spraying on a tower is mounted on the front side of the shell, and a cable multi-section fixing mechanism for carrying out multi-section fixing on a rope cable is mounted on the rear side of the shell; the left side and the right side of the shell are provided with magnetic attraction moving mechanisms which can be attracted to the tower and move. The cable multi-section fixing mechanism comprises a multi-directional driving assembly, a clamping and releasing mechanism and a fixing assembly. In this way, a cable can be continuously limited, it is avoided that due to the fact that the cable is too long and shakes and pulls equipment on a tower, the equipment runs unstably, the magnetic attraction angle can be rapidly adjusted, the equipment is made to be attached to the radian of the tower for attraction, and the overall stability of the equipment during moving and polishing is improved; and constant pressure can be applied to the tower for polishing.
Owner:SHANGHAI DONGHAI WIND POWER CO LTD +3

Wind driven generator blade deicing system and phase change microcapsule coating spraying process

The invention provides a wind driven generator blade deicing system and a phase change microcapsule coating spraying process, and relates to the technical field of wind power generation equipment protection, the deicing system comprises a heating module, a spiral flow guide rib, a phase change microcapsule coating and a control module; the heating module comprises a heating piece and a fan communicated with the heating piece; the spiral flow guide rib is used for forming a rotational flow air duct, so that hot air formed by heating of the heating module forms rotational flow air flow; the phase change microcapsule coating is at least coated on the wall surface of the inner cavity of the blade; the control module is in communication connection with the heating piece and the draught fan and is configured to adjust the rotating speed of the draught fan and the heating power of the heating piece at least according to the state of the phase change microcapsule coating. The deicing system improves the heat transfer efficiency, enables hot air to effectively cover all areas of the blade, prolongs the residence time of the hot air in the inner cavity of the blade, and improves the hot air utilization rate. And the phase change microcapsule coating and the rotational flow airflow have a synergistic thermal effect, so that the temperature of the wall surface of the blade is effectively, quickly and uniformly increased, and the deicing efficiency is improved.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Wind driven generator blade hoisting device and method thereof

The invention relates to the technical field of wind power generation, in particular to a wind driven generator blade hoisting device which comprises two hoisting arms and a fixing rod fixed between the two hoisting arms. Adjusting frames are arranged at the two ends of the suspension arm, a bandage assembly is connected between the two adjusting frames through a winding assembly, and the blade is sleeved with the bandage assembly. According to the blade hoisting device, stable hoisting of a blade is achieved through the synergistic effect of the binding belt assembly and the profiling pressing assembly, firstly, the binding belt assembly is driven by the winding assembly, the length of a binding belt can be adjusted in the initial hoisting stage, it is ensured that the blade is horizontally and stably lifted by the double suspension arms, and the blade can be stably hoisted by the double suspension arms; the overall lifting stability is optimized; and then, the profiling pressing assembly is started, an elastic assembly in the profiling pressing assembly can be attached to the irregular arc-shaped surface of the blade in a self-adaptive mode, large-area profiling contact is formed, and the sideslip risk of the blade in the hoisting process is effectively restrained.
Owner:中国电建集团贵州工程有限公司

Wind driven generator fixed time adaptive neural network variable pitch control method

PendingCN121251514AWind motor controlNeural network algorithmsWind drivenDynamic models
The invention belongs to the technical field of wind power control, and discloses a wind driven generator fixed time adaptive neural network variable pitch control method, which comprises the following steps: step 1, establishing a kinetic model of a wind driven generator, and initializing a system state and control parameters; 2, aiming at the wind driven generator system with external interference, designing a fixed time sliding mode surface based on a sliding mode thought; and step 3, designing a fixed-time adaptive neural network variable pitch controller. The method has the advantages that under the conditions that external interference exists in the wind driven generator and parameters are uncertain, rapid convergence of the rotor rotating speed tracking error within fixed time is achieved, and the convergence time does not depend on the initial state.
Owner:DEQING COUNTY ZHEJIANG UNIV OF TECH MOGANSHAN RES INST

Wind driven generator blade monitoring method and device, equipment and storage medium

The invention relates to the technical field of wind power generation, and discloses a wind driven generator blade monitoring method, which is applied to electronic equipment and comprises the following steps: acquiring a load parameter of a wind driven generator; and inputting the load parameters into the trained wind regime reconstruction model to enable the wind regime reconstruction model to generate wind regime data based on the load parameters. And inputting the wind regime data into the trained load calculation model, so that the load calculation model outputs load time sequence data of the blade based on the wind regime data. According to the method, when the load of the blade is monitored, compared with a mode of detecting the load borne by the blade by utilizing a sensor arranged at the root of the blade, the spanwise load of the blade can be monitored more comprehensively, so that the accuracy of monitoring the load of the blade of the wind driven generator is improved. The invention further discloses a monitoring device and equipment for the wind driven generator blade and a storage medium.
Owner:INNER MONGOLIA NEW VISION GROUP CO LTD +1

Temperature control system for cabin of wind driven generator

The invention relates to the technical field of wind power generation, in particular to a temperature control system for a cabin of a wind driven generator, which comprises an acquisition unit for monitoring the current temperature in the cabin and the current temperature and humidity outside the cabin; the temperature adjusting unit has a cold air flow / hot air flow output function, and the current temperature reaches the set target temperature by conveying cold air flow / hot air flow into the cabin; the control unit is provided with a cold air flow / hot air flow output quantity accounting module and an execution module used for controlling the temperature adjusting unit to operate; the closed-loop control algorithm and the accurate airflow channel design are adopted, the adjusting sensitivity and the control accuracy of the cabin temperature control system of the wind driven generator are remarkably improved, the airflow flowing path is optimized, and the condensation and removal efficiency of water vapor is enhanced; in addition, the system can adapt to different environmental conditions through the dynamically adjusted proportion, integral and differential coefficients, and the stability and reliability of temperature adjustment are ensured.
Owner:HUANENG YINGKOU THERMAL POWER CO LTD

Green-energy self-power-generation endurance system of carrier

The invention provides a green energy self-power-generation endurance system of a carrier, which comprises a wind power generation assembly, a double-sided photovoltaic panel assembly, a double-sided photovoltaic soft curtain assembly and an air power generation assembly, which can utilize respective advantages to combine or independently carry out green energy power generation. The wind power generation assembly comprises a main air duct and a plurality of one-shaft double-body generators. The main air duct is provided with a closed cabin; a plurality of one-shaft double-body generators are arranged in the main air duct and the closed cabin in a matrix manner; each one-shaft double-body generator comprises a wind power blade arranged on a transmission shaft; the transmission shaft is located in the main air duct, and the two ends of the transmission shaft are rotatably connected to the wind driven generator in the closed cabin. According to the implementation mode, wind resistance airflow generated by driving of the carrier acts on the one-shaft double-body generator through the main air duct, so that each transmission shaft drives the two wind driven generators to synchronously generate electricity. The system has an extremely wide application range and can provide green electric energy for corresponding scenes.
Owner:北京吉圣金润企业管理有限责任公司

Pay-off tensioning device for wind driven generator engineering

The utility model discloses a pay-off tension device for wind driven generator engineering, and relates to the technical field of wind driven generator engineering. Comprising a bottom plate and a movable plate, the bottom plate is provided with an anti-rotation mechanism, the anti-rotation mechanism comprises two pay-off racks fixedly connected to the top of the bottom plate, the rear side of the pay-off rack located on the rear side is fixedly connected with a first motor, and the output end of the first motor is fixedly connected with a rotating shaft through a coupler; the front end of the rotating shaft penetrates through the two pay-off racks and is rotationally connected with the two pay-off racks, a rotating disc is fixedly connected to the front end of the rotating shaft, a plurality of notches are formed in the front end of the rotating disc, two positioning rods are slidably connected to the front side of the moving plate, and the rear ends of the two positioning rods penetrate through the moving plate; the rear ends of the two positioning rods extend to the inner wall of the notch and are in sliding connection with the notch. According to the utility model, inertia generated when the motor stops paying off is resisted through the anti-rotation mechanism, so that the tension of the cable is prevented from being influenced by rotation of the cable roller caused by inertia.
Owner:GANSU XINJING YUANENG ENVIRONMENTAL PROTECTION TECH CO LTD

A safety guard for a numerical control hydraulic bending machine for wind turbine accessories

The utility model discloses a numerical control hydraulic bending machine's safety shield for wind driven generator accessories, including the protective outer cover, the inner wall sliding connection of protective outer cover has the protective inner cover, the below of protective inner cover is equipped with the support station, both sides of support station all are fixedly connected with the support seat, two the side of mutual approach of support seat all are seted up and have the slide hole, two the inner wall sliding connection of slide hole all has the connecting sliding block, two the side of mutual approach of connecting sliding block all with the outer surface fixed connection of protective outer cover. The utility model discloses through the downward movement of bending upper die that lifting plate drives, can make protective outer cover with connecting sliding block synchronous slide -down together, and will with protective inner cover together in the front of bending upper die, can directly isolate the stamping area with operator, avoid the hand accident of worker finger close to the stamping area and also can intercept the metal fragment that splashes in the processing, prevent the harm of fragment to staff.
Owner:QINGDAO XINSHENGYU MASCH CO LTD

Flue gas waste heat recovery device for combined heat and power generation

The invention relates to the technical field of flue gas recovery, and discloses a flue gas waste heat recovery device for combined heat and power generation, which comprises an energy conversion mechanism positioned in a main fixed rack, and is matched with an input tank body, a three-way input pipe and an assembly rack for contacting sucked flue gas; the heat exchange dissipation mechanism is located in the fixing shell and used for dissipating heat generated by the electronic element. The wind driven generator is located in the fixing shell and matched with the output shaft for wind power generation. By means of the liquid storage pool and the filter plate structure, heat energy in high-temperature flue gas is transmitted through contact of water and flue gas, water is heated, and therefore the heat energy is recycled, waste heat resources of the flue gas are fully utilized through the design, the heat energy utilization efficiency is improved, flow of the high-temperature flue gas drives turbofan blades to rotate, then the output shaft is driven to rotate, and the heat energy utilization efficiency is improved. Energy is converted into electric energy through the wind driven generator, the kinetic energy of the waste smoke can be directly converted into the electric energy, and an effective combined heat and power generation mode is formed.
Owner:BENGANG STEEL PLATES CO LTD

Large wind power generator cabin cover transfer tool

The utility model relates to the technical field of generator cabin cover transfer, and discloses a large wind generator cabin cover transfer tool which comprises a sweeping board, a second guide rail and a sliding block, an adjusting mechanism is fixedly installed on the top end face of the sweeping board, and a fastening mechanism is fixedly installed on the top end face of the adjusting mechanism. When the cabin cover is transported, firstly, the position and orientation of a belt outlet are adjusted through a rotating piece and a mounting sleeve, a fastening belt on the side face of a sleeve is pulled out, the fastening belt crosses over the cabin cover and is fixed to a connecting rod, a shifting rod is shifted to limit the rotating direction of a ratchet wheel, a servo motor is started, the connecting rod is driven to rotate, and the fastening belt is wound on the side face of the connecting rod; after fastening is completed, a servo motor stops rotating, then a poking rod is poked to drive a poking block to deflect, a second clamping block is pushed to move and is matched with a reset spring to abut against a ratchet wheel, a connecting rod is prevented from rotating reversely after power is lost, the stability of the cabin cover can be improved, and the cabin cover can be prevented from being protected when the device is used; and the practicability of the device and the convenience of fixing the cabin cover are improved.
Owner:JILIN DONGQI TECH CO LTD

A main shaft fault identification method for a wind turbine under variable load operation state

PendingCN122429057AWind drivenRadial plane
The application relates to a main shaft fault identification method for a wind driven generator under a variable load operation state, and the method comprises the following steps: acquiring and storing at least two equal-angle interval sampling vibration signals in orthogonal directions in the radial plane of the front and rear rolling bearings of the main shaft and corresponding rotating speed signals; judging whether the storage amount of the equal-angle interval sampling vibration signals reaches a preset storage amount, if the judgment is yes, performing order spectrum calculation on the equal-angle interval sampling vibration signals, and extracting a fault feature vector; judging whether to trigger main shaft fault diagnosis according to a real-time vibration effective value, if the judgment is yes, inputting the fault feature vector into a pre-constructed confidence rule base model, obtaining the confidence degree distribution of each fault state through confidence reasoning, and identifying the unbalance and misalignment faults of the main shaft of the wind driven generator according to the confidence degree distribution. Compared with the prior art, the application can accurately extract non-stationary fault features under the variable load operation state of the wind driven generator, and improves the accuracy and reliability of fault diagnosis.
Owner:HUADIAN (ZHEJIANG) MARINE ENERGY TECHNOLOGY CO LTD

Device for predicting service life of connecting bolt

The utility model discloses a life prediction device for a connecting bolt, which relates to the technical field of wind driven generators, and comprises a connecting bolt and a strain device arranged at the root of the connecting bolt, the strain device comprises four strain gauges, the four strain gauges are connected with an acquisition network card through output lines, and the acquisition network card is connected with the connecting bolt. The acquisition network card is wirelessly connected with the pyroelectric sensor and the upper computer respectively; the stress condition of the bolt is collected in real time through the strain device, the four strain gauges capture axial, bending and shearing strain at the same time, the damage degree of the connecting bolt can be accurately predicted, and the monitoring precision and reliability of the connecting bolt are remarkably improved; the working temperature and the vibration condition of the connecting bolt are obtained through the pyroelectric sensor, the prediction comprehensiveness is improved, then the accuracy of fatigue life prediction is improved, and the stability and the safety of operation of the wind turbine generator system are improved.
Owner:GUODIAN GUANGXI NEW ENERGY DEV CO LTD

Vertical axis wind turbine integrated with auxiliary motor starting

The invention discloses a vertical axis wind turbine integrated with auxiliary motor starting, and belongs to the technical field of wind power generation. Comprising a base, a generator is fixedly connected to the right side of the upper surface of the base, an outer disc is fixedly connected to the top end of the output end of the generator, a blade assembly is fixedly connected to the upper surface of the outer disc, a transmission assembly is fixedly connected to the left side of the upper surface of the base, and a fluted disc is fixedly connected to the outer side wall of the outer disc. The transmission assembly is in meshed connection with the fluted disc; through the exquisite design of the transmission assembly, the bottleneck of low-wind-speed starting of traditional equipment is effectively broken through, and the applicability and practicability of the equipment are remarkably improved. In the initial state of the equipment, the electric telescopic rod on the base is in an extending state, the transverse block stops at the initial position of the side groove, the sliding block is located at the tail end of the sliding groove, the auxiliary gear and the fluted disc are kept in a separated state, and interference between components in a non-working state is avoided.
Owner:济南能源投资控股集团有限公司

Edge drying and storing device with automatic feeding function

ActiveCN224591182UWind drivenElectric machine
The utility model provides a have automatic feeding function's edge drying storage equipment, including main body frame, feeding part, fixed peg installation part, reel supply part, winding drive part, drying part, storage part and control part, and main body frame includes base, drying seat, feed seat and storage axle seat, and feeding part includes screw rod stepper motor, electric telescopic link, electric clamping jaw and feed frame, and fixed peg installation part includes conveying mechanism and fixed peg transfer mechanism, and reel supply part includes axle body mechanism, storage axle mechanism and axle mechanism, and winding drive part includes push rod motor, movable carrier plate, electric chuck and servo motor, and drying part includes heating wire, circulating fan, exhaust fan, drying pipe, roll axle and gyro wheel. The utility model has orderly winding to edge, and the existence of crease is reduced greatly, and the same volume stores more edge, and the quality of edge is no longer affected by weather, environment, and keeps dry and clean for a long time.
Owner:ANHUI MEIHU NEW MATERIALS TECH CO LTD

Damping generator base for wind power generation

The invention discloses a damping generator base for wind power generation, which belongs to the technical field of wind driven generator bases and comprises a tower tube for mounting wind power generation equipment, a cabin is fixedly mounted on the tower tube, a wind wheel is rotatably mounted at the front end of the cabin, a supporting seat is fixedly mounted in the cabin, and a fixed end base is mounted on the upper surface of the supporting seat. A gear box is fixedly installed on the fixed end base, the output end of the gear box is connected with a wind wheel, a steel frame is fixed in the cabin, a movable end base is fixed on the upper surface of the steel frame, a wind driven generator is fixed on the movable end base, and the output end of the wind driven generator is connected with the gear box. Vibration acceleration sensors are mounted on the fixed end base and the movable end base; according to the damping generator base, the connection state between the two bases can be regulated and controlled according to the change of a wind environment, so that vibration force under different conditions can be dynamically coped, and stable operation of a gear box and a wind driven generator is kept.
Owner:CHANGZHOU QITIAN MACHINERY MANUFACTURING CO LTD