1012 results about "Wind driven" patented technology

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.

The invention provides an active-disturbance-rejection full-wind-speed power smoothing method based on kinetic energy of a fan rotor, and belongs to the technical field of wind power control. The technical problem that the output power of a traditional wind turbine generator is unstable due to random fluctuation of the wind speed is solved. According to the technical scheme, the method comprises the following steps that S1, rotor kinetic energy is calculated based on a wind turbine kinetic model, and the effect of the rotor kinetic energy in power fluctuation stabilization is analyzed; s2, designing a first-order linear active disturbance rejection controller for rotating speed loop control; s3, designing a second-order linear active disturbance rejection controller for variable pitch control; and S4, dynamically generating an active power reference value by combining the kinetic energy of the rotor and an active disturbance rejection control technology, and controlling by coordinating a rotating speed ring and a variable pitch. The method has the beneficial effects that power fluctuation can be remarkably reduced under wind speed fluctuation and complex working conditions, the smoothness of power output is improved, meanwhile, the anti-interference capability and the dynamic stability of the system are enhanced, and efficient and stable operation of the wind driven generator system is ensured.

The utility model relates to the field of wind driven generator spindles, in particular to a wind driven generator spindle with a vibration monitoring mechanism, which comprises a wind driven generator spindle body. The monitoring assembly is installed on the outer side of the wind driven generator main shaft body and used for vibration monitoring. According to the wind driven generator main shaft with the vibration monitoring mechanism, through the arrangement of the wind driven generator main shaft body and the monitoring assembly, the wind driven generator main shaft body can be monitored in real time in the rotating process, and compared with traditional manual regular detection, the wind driven generator main shaft is more convenient; the main shaft body of the wind driven generator is in contact with the rolling wheel in the movable seat in the rotating process, and when the main shaft body of the wind driven generator vibrates, the rolling wheel in the movable seat is extruded, so that the vibration sensor behind the movable seat senses the vibration pressure for monitoring; and meanwhile, the rear telescopic rod is telescopically buffered in the first lantern ring and the second lantern ring through the spring, so that vibration detection of the vibration sensor is facilitated, and damage caused by direct contact of the vibration sensor is also avoided.

The invention relates to the field of wind power generation control, and particularly discloses a cooperative control analysis system and method of a distributed wind power generation system. The artificial intelligence technology based on the deep learning field is used for calculating wind intensity values of a plurality of preset time points in a preset time period of the wind power plant, wind frequency values of the plurality of preset time points in the preset time period and wind frequency values of the plurality of preset time points in the preset time period. And performing feature extraction and coding on the wind speed values at the plurality of preset time points in the preset time period and the wind direction values at the plurality of preset time points in the preset time period to obtain a classification result of the type of the wind driven generator which is suitable for running. Therefore, wind energy can be effectively utilized by intelligently selecting the type of the wind driven generator which runs properly, and the stability and reliability of power generation of the wind power plant are improved.

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.

The invention discloses a control method and device of a wind driven generator, a terminal and a storage medium, particularly relates to the technical field of operation control of the wind driven generator, and is used for solving the problem that a supporting structure bears violent asymmetric loads due to dynamic response differences of wind and wave load directions in a marine environment in an existing control method. Wind direction and wave direction data are synchronously obtained in real time, the wind direction change rate is calculated, supporting structure vibration signals are analyzed to recognize wave excitation dominant frequency components, and when it is detected that wave excitation energy suddenly changes and the wind direction change rate exceeds the limit, the wind wave direction difference is analyzed; meanwhile, a wave spectrum energy concentration frequency band is determined by analyzing the tower top movement track, the load asymmetry risk level is evaluated by combining the direction difference and the wave energy concentration frequency band, finally, the yaw speed and the variable pitch speed are adjusted in a self-adaptive mode according to the risk level, and accurate recognition and early warning of the wind wave load direction mismatching working condition are achieved. And the operation reliability of the wind driven generator in extreme weather is improved.

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.

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.

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.

The invention discloses a wind power prediction method and device based on a WTC-Informer algorithm, equipment and a medium, and relates to the technical field of wind power prediction. The wind power prediction method comprises the following steps: acquiring operation data of a wind driven generator; and inputting the operation data into a pre-trained wind power prediction model which is trained in advance and is based on a WTC-Informer algorithm, and executing the following data processing steps to obtain a prediction sequence of the active power of the wind driven generator. According to the operation data, high-frequency components and low-frequency components are extracted through wavelet transform and spliced, and multi-scale features are obtained. Through an ECA channel attention mechanism, weights are dynamically distributed for each feature channel. And then, through an Informer encoder formed by stacking a plurality of sparse self-attention coding layers, the calculation complexity of attention is reduced. And finally, outputting a future wind power prediction sequence through a generative decoder by utilizing a sparse attention extraction time sequence mode and combining a connection feature map output by the cross-attention fusion encoder.

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.

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.

The utility model relates to a truss type large-blade wind-solar power generation device, which adopts a single truss as a supporting force arm to fix fan blades and transmit torque to a shell rotor large pinwheel to construct a wind wheel, and the whole structure is a rigid structure, good in stability and small in generated vibration and noise. The diameter of the vertical wind driven generator can be oversized, so that the single-layer generating capacity is improved; the suspension type wind wheel is light in weight and small in friction force when the wind wheel operates; the installation is convenient, and the production cost is reduced; when wind exists, wind power is gathered through the wind gathering cyclone, wind coming from any direction is gathered to one side to form thrust, and resistance of the rotation side is reduced. And the power generation glass cyclone plates are arranged on the cyclone tower frame, so that wind collection and wind gathering can be realized, and solar power generation can also be carried out. The device is high in power generation rate, safe and reliable in operation, easy to install and maintain, long in service life, low in noise and low in power generation cost.

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.

The utility model provides an anti-wear protective sleeve for a cable in a wind driven generator tower, which relates to the field of cable anti-wear and comprises a limiting outer sheath, a limiting inner ring block and a wind driven generator cable, and the inner side of the limiting outer sheath is slidably connected with the wind driven generator cable through the limiting inner ring block. The inner side face of the limiting outer sheath is attached to the outer arc face of the limiting inner ring block through an arc-shaped sliding groove, the groove face of the arc-shaped sliding groove is filled with a solid oil block, a sealing oil cover is pressed on the outer surface of the limiting outer sheath, the inner side face of the sealing oil cover is connected with an arc-shaped pressing plate through a supporting spring, and the solid oil block is tightly attached to the side face of the arc-shaped pressing plate. According to the utility model, the problem that the anti-wear service life is short due to the fact that the convex rotating beads of the protective sleeve are easy to damage after being impacted and collided in the prior art is solved.

The utility model discloses a fixing device for welding a small wind driven generator cylinder. The fixing device comprises a supporting base; the beneficial effects of the utility model are that through the arrangement of the rack, the gear and the rotating column, the output end of the hydraulic cylinder drives the rack to move, the rack drives the engaged gear to rotate when moving, and the rotation of the rack is realized; a rotating column on the inner side is driven by a gear to perform fixed-angle rotating adjustment, a small wind driven generator cylinder clamped between a rotating top disc and a first arc-shaped clamping plate and a second arc-shaped clamping plate is rotated, and girth welding is performed; the adjusting screw rod rotates to drive the adjusting supporting plate on the outer side and the first arc-shaped clamping plate to conduct height position adjustment, the first arc-shaped clamping plate is lifted, and the clamping position is adjusted when girth welding is conducted on small wind driven generator barrels with different lengths and sizes.

The invention relates to the technical field of tail gas treatment equipment, in particular to a sulfuric acid tail gas desulfurization device and method based on linkage air volume regulation, the sulfuric acid tail gas desulfurization device comprises a spray tower main body, an upper group of flow guide pieces and a lower group of flow guide pieces are arranged in the spray tower main body, and each flow guide piece is composed of a flow equalizing layer and a flow disturbing layer arranged above the flow equalizing layer; the air inlet pipe is arranged on a barrel at the bottom of the spray tower main body; a small-sized wind driven generator is arranged in the air inlet pipe; an upper spraying assembly and a lower spraying assembly are further arranged in the spraying tower body, each spraying assembly comprises a water body synergistic ring, the water body synergistic rings are connected with external liquid medicine through pipelines, a plurality of communicating pipes are fixedly installed on the inner annular side faces of the water body synergistic rings, spraying pipes are fixedly installed at the tail ends of the communicating pipes, and spraying heads are detachably installed at the ends of the spraying pipes; a blocking plate is arranged in the spraying pipe and is adjusted through a waterproof motor and a linkage structure. The waste gas treatment device facilitates uniform and sufficient treatment of waste gas and facilitates improvement of the treatment effect.

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.

The invention discloses a wind power generation system with a self-adaptive compensation function. The wind power generation system comprises a wind power generator, an energy storage device, a self-adaptive compensation controller and a power grid connection module, the self-adaptive compensation controller comprises a real-time monitoring module, a prediction analysis module, a self-adaptive compensation decision module and a control execution module, and the real-time monitoring module obtains operation parameters of the wind power generator and state parameters of the energy storage device; the predictive analysis module predicts and analyzes the wind power change trend and the power grid load demand, the self-adaptive compensation decision module generates control instructions of the wind driven generator and the energy storage device, the control execution module adjusts the operation state of the wind driven generator, and meanwhile the charging and discharging process of the energy storage device is controlled. By monitoring the states of the wind power and the power grid in real time, applying an intelligent algorithm to predict and analyze, and combining with an energy storage technology, self-adaptive compensation of wind power generation fluctuation is realized, the stability and reliability of wind power generation are improved, and adverse effects on the power grid are reduced.

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.

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.

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.

The invention relates to and discloses a wind driven generator fan blade adjusting mechanism which comprises a main shaft and a plurality of blades, the bottom of the main shaft is connected with a generator, the top and the bottom of the main shaft are provided with connecting discs, one end of a connecting rod is rotationally fixed to each connecting disc, and the other end of the connecting rod is rotationally connected to the corresponding blade. And one end of the push rod is rotationally connected to the connecting disc at the bottom, and the other end of the push rod is rotationally connected to the blades. When the push rod extends outwards, the blades can be pushed to expand outwards to increase the windward area, and when the push rod retracts inwards, the blades can be pushed to contract inwards to reduce the windward area, so that the windward area of the blades is dynamically adjusted according to the wind speed, and the fan is prevented from being damaged due to too high rotating speed when wind power is large; and generation efficiency reduction caused by too slow rotating speed is avoided.

The invention relates to the technical field of vertical axis wind driven generators, and discloses a control method, device and equipment of a vertical axis wind driven generator, a medium and a product. The control method of the vertical axis wind driven generator comprises the steps that according to historical environment data around a target vertical axis wind driven generator and historical operation data of the target vertical axis wind driven generator, the target vertical axis wind driven generator is controlled; determining a target relationship between the environmental condition and the optimal operation parameter combination; according to the current environment data around the target vertical axis wind turbine, predicting the environment trend in the preset time period to obtain environment prediction data; determining a target operation parameter combination according to the environment prediction data and a target relationship between the environment condition and the optimal operation parameter combination; the target vertical axis wind turbine is controlled according to the target operation parameter combination in the preset time period, the target vertical axis wind turbine is controlled according to the dynamic environment change, and the power generation efficiency is improved.

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.

The invention discloses a control method and device for the yaw angle of a wind driven generator and a medium. The method comprises the steps that meteorological data are obtained, wind direction change information is determined according to the meteorological data, a wind direction change angle is determined according to the wind direction change information, and the wind direction change angle is compared with a preset angle threshold value; if the wind direction change angle is larger than the angle threshold value, the predicted yaw angle of the wind driven generator is determined according to the wind direction change information; and adjusting the wind driven generator according to the wind direction change information and the predicted yaw angle. Through multi-dimensional data processing and dynamic monitoring, the change point is accurately determined, the yaw angle is predicted, the adjustment strategy is optimized, invalid rotation loss is reduced, the power generation efficiency is improved, flexible adjustment can be conducted according to the real-time situation, and efficient and stable operation of wind power generation is ensured.

The invention relates to the technical field of wind driven generator cabin covers, in particular to a built-in box transformer substation upward moving cabin cover which comprises a hood assembly, an upward moving cabin cover mechanism arranged on the hood assembly and an outdoor hoisting mechanism arranged on the upward moving cabin cover mechanism. The combined ladder mechanism is arranged in the hood assembly; and the energy supply propelling mechanism is arranged between the hood assembly and the upward moving hatch cover mechanism. A traditional closed type cabin cover is arranged to be the cabin body of the upward moving split structure and the upward moving cabin cover mechanism, when instruments or equipment in the cabin cover breaks down and needs to be integrally replaced, the upward moving cabin cover mechanism is lifted upwards, a port in the top of the cabin body is exposed in the external environment till the top end of the cabin body extends outwards to the maximum, and then the cabin cover is replaced. Instruments or equipment needing to be replaced are directly sent in and out from a port in the top of the cabin body in cooperation with an airborne device, and therefore the first-aid repair speed of workers can be increased in the power-off period of the wind driven generator.

The invention relates to the technical field of metal material strengthening treatment, in particular to a micropitting-resistant wind driven generator gear carburizing and quenching composite strengthening process which comprises the following steps: S1, gear blank pretreatment and surface activation; s2, gradient carburizing strengthening treatment; s3, grain refinement annealing treatment; s4, step quenching strengthening treatment; s5, performing deep cooling and thermal cycle treatment; s6, directional tempering regulation and control treatment; s7, composite shot peening strengthening treatment is conducted; and S8, an antifriction composite film layer is deposited on the surface of the gear subjected to shot peening strengthening in the S7. According to the method, through a synergistic strengthening mechanism of gradient carburization, step quenching, structure regulation and control and surface functionalization, the residual stress distribution and tribological performance are optimized while the high surface hardness of the gear is kept, and the technical problems that in a traditional technology, the carburized layer is concentrated in stress, uneven in structure, single in surface performance and the like are solved.

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.

The invention discloses a wind power structure protection device with anti-corrosion and damp-proof functions, and belongs to the field of wind driven generators, the wind power structure protection device comprises a shell, a rotating shaft penetrates through the left side of the shell and is rotationally connected with the shell, and power generation equipment is arranged on the outer surface of the rotating shaft and fixedly connected with the top of the inner surface of the shell; a lower bin body is fixedly connected to the lower portion of the shell, a dehumidifier is fixedly installed on the inner surface of the lower bin body, a reciprocating lead screw is rotationally connected to the inner surface of the shell, a chain is in transmission connection between the reciprocating lead screw and the rotating shaft, and the outer surface of the reciprocating lead screw is sleeved with a lead screw nut in a threaded mode. The blades are driven by wind power, so that the hub drives the rotating shaft to rotate so as to enable the power generation equipment to generate power, the dehumidification machine pumps moisture in the shell away through the air suction pipe, at the moment, the air suction pipe can be driven to slide left and right and swing in the shell through rotation of the rotating shaft, and the effect that dehumidification can be conducted uniformly and comprehensively is achieved.