87 results about "Windcatcher" patented technology

The application provides a self-standing wind measuring tower capable of automatic installation and free from tower shadow effect, relates to the technical field of wind measuring towers, and comprises a base system, a tower system is arranged on the top surface of the base system, the tower system is connected with the base system through a sliding groove system, and a guide system is arranged in the tower system.In the tower system of the application, the tower is arranged in an isosceles triangular structure, the triangular tip is located on the leeward side of the wind direction, so that the windward area of the tower is relatively small under the action of the main wind direction.In addition, as the distance between the triangular tip and the main shaft of the tower increases, the influence of the triangular tip on the overall stability of the tower is also enhanced, and the wind measuring equipment is installed on the main shaft of the tower and deviated to one side of the second turning barrel, so that the wind measuring equipment is not blocked by the main body of the tower of the wind measuring tower, thereby eliminating the tower shadow effect.

The invention discloses a method for quantitatively controlling direct use of wind power generation, and relates to the technical field of wind power generation. A tower top generator and a speed increasing mechanism are removed, the blade structure is simplified, the structural defect that a traditional wind tower is heavy at the top and light at the bottom is thoroughly overcome, the wind resistance and the load resistance of the wind tower in the extreme environment are greatly improved, and meanwhile under the synergistic effect of a hydraulic system, a conventional generator and an EMS electric control system, the wind resistance and the load resistance of the wind tower are greatly improved. Fault points prone to occurring during long-term operation of a complex mechanism are reduced, the overall fault rate is reduced to a great extent, and the safety and reliability are remarkably improved; a conventional generator is adopted at an equipment end, a variable pitch and high speed increasing structure is not needed, the equipment purchase and maintenance cost is remarkably reduced, meanwhile, a wind tower structure and a foundation which are mostly adopted at a construction end are lightweight, the construction cost is effectively reduced, the wind curtailment rate is effectively reduced at an operation end, the wind energy utilization rate is remarkably increased, and the wind power generation efficiency is improved. Meanwhile, power grid leveling and a large amount of energy storage cost are saved.

The present invention relates to the field of auxiliary installation tooling for wind tower control platforms, and specifically to a tooling for controlling the positioning size of an external platform. The tooling comprises a steel pipe lifting electropermanent magnet adsorbed on the upper end of a tower, a long plate fixed to the upper end of the steel pipe lifting electropermanent magnet along its length, three slide grooves opened on the upper end of the long plate along its length, a rectangular frame provided above the steel pipe lifting electropermanent magnet, a mounting plate detachably fixed on the fixed plate, slide bars slidingly provided in the slide grooves on the left and right sides, the slide bars fixedly connected to the frame, a slide plate slidingly provided in the middle slide groove, an adjusting bolt threadedly connected to the middle of the front and rear ends of the frame, and the lower end of the adjusting bolt rotatably connected to the slide bar. The present invention has a simple structure, is easy to operate, can improve installation accuracy, and improves work efficiency. The tooling does not need to be welded and fixed, is easy to load and unload, and is easy to operate. It solves the problem of positioning the external platform, and the tooling can be reused.

The utility model provides a steel structure wind tower platform installation bracket which comprises a wind tower frame, a bracket body, an auxiliary support and a reinforcing support of a wind tower platform, the bracket body is fixedly installed on the outer side of the top of the wind tower frame, and the auxiliary support is fixedly installed on the bracket body. The bracket main body and the auxiliary bracket are fixedly mounted on the bottom surface of a wind tower platform; the reinforcing bracket is fixedly mounted between the wind tower frame and the bracket main body; a buffering cushion is fixedly installed on the top of the wind tower frame, and the buffering cushion makes contact with the bottom surface of the wind tower platform but is not fixed. Due to the arrangement of the bracket body and the reinforcing support, the structural stability is high, stress cannot be concentrated, and follow-up maintenance is easy.

The invention relates to the technical field of wind power generation, in particular to a wind tower power station protection and dust removal device which comprises heat dissipation air channels arranged on the two sides of a wind tower cabin and dustproof filter screens installed in the heat dissipation air channels, brush rollers and abutting plates are arranged in the heat dissipation air channels and located on the two sides of the dustproof filter screens respectively, and the dustproof filter screens are arranged on the two sides of the brush rollers. And the brush roller is located on the windward side of the dustproof filter screen, the abutting and pushing plate is located on the leeward side of the dustproof filter screen, and air spraying holes are formed in the side, facing the dustproof filter screen, of the abutting and pushing plate. Precise adaptation of a dust-proof filter screen cleaning mode in a normal wind power environment and a paroxysmal strong wind environment is achieved, mechanical cleaning and gas jet cleaning of the filter screen can be synchronously completed in paroxysmal strong wind by means of cooperative action of a brush roller and a pushing plate, the thoroughness of sand dust cleaning is greatly improved, and the cleaning efficiency is improved. And the defect that a single cleaning mode is difficult to deal with strong windy and sandy weather is avoided.

The invention relates to the technical field of cable supports, in particular to a wind tower cable blanking support. The device comprises a supporting stand column, a plurality of supporting frames are slidably connected into the supporting stand column, sliding bases are slidably connected into the supporting frames, limiting hinges are rotatably connected to the two ends of the top end of each sliding base, guide rollers are rotatably connected to the inner sides of the limiting hinges, and a buckle is rotatably connected to the end, away from the corresponding sliding base, of one limiting hinge. According to the wind tower cable discharging support, the supporting stand column is installed in a wind power wind tower, then the height of the supporting frame and the distance between the two sliding bases are adjusted, adjustment is conveniently conducted according to the position requirement of a cable, then the cable is placed between the two limiting hinges, and the cable discharging support is convenient to use. And then the buckle is pulled to drive one limiting hinge to be clamped with the clamping cylinder on the other limiting hinge, so that the two limiting hinges limit and fix the cable, and the supporting roller effectively supports the cable.

A wire rod for fastening a wind tower, according to an embodiment of the present invention, comprises, in weight %: 0.20% to 0.40% of C; 0.10% to 0.40% of Si; 0.30-0.50% of Mn; 1.00% to 1.50% of Cr; 0.01% to 0.10% of Ti; and 0.0005% to 0.0100% of B, the remainder being Fe and other impurities, wherein after hot rolling the microstructure comprises, by area fraction, 30% to 60% pearlite and 40% to 70% ferrite, and satisfies formula (1). Formula (1): 7.50 ≤ 12.1x[C] + 1.5x[Mn] + 3.1x[Cr] ≤ 8.50 (where [C], [Mn] and [Cr] signify the weight % of each element).

The utility model provides a beam-slab-like wind tower foundation device which comprises an original bottom foundation, a newly-arranged top platform, newly-arranged foundation rib beams and a newly-arranged bottom annular belt-shaped foundation, the newly-arranged top platform is poured at the top of the original bottom foundation, and the newly-arranged bottom annular belt-shaped foundation is annularly arranged on the periphery of the original bottom foundation. A plurality of newly-arranged foundation rib beams are arranged on the outer side of the original bottom foundation, the tops of the newly-arranged foundation rib beams are connected with the side wall of the newly-arranged top table, and the bottoms of the newly-arranged foundation rib beams are connected with the newly-arranged bottom annular belt-shaped foundation. The top platform is arranged on the original bottom foundation, the newly-arranged bottom annular belt-shaped foundation is arranged on the outer side of the original bottom foundation, and the newly-arranged top platform, the original bottom foundation and the newly-arranged bottom annular belt-shaped foundation are connected through the newly-arranged foundation rib beams to form a beam-slab-like foundation, so that the performance of the original bottom foundation can be fully utilized; and the concrete volume of the foundation can be greatly reduced, and the service life of the existing foundation and facilities is prolonged and resource utilization is realized to a great extent.

The invention relates to the technical field of narrow barrel placement tools, and discloses a wind tower narrow barrel placement tool which comprises a bottom plate and two fixing plates, limiting plates are fixedly connected to the outer surfaces of the tops of the opposite ends of the two fixing plates, and a plurality of limiting holes are formed in the outer surfaces of the limiting plates. A limiting rod is movably inserted into the outer surface of the rectangular barrel, a pull disc is fixedly connected to the side, located outside the rectangular barrel, of the limiting rod, a limiting block matched with the limiting hole is fixedly connected to the end, away from the pull disc, of the limiting rod, and a spring is fixedly connected between the limiting block and the inner wall of the rectangular barrel; and a pressing plate is arranged below the connecting plate. By arranging the limiting plate, the sleeve and the limiting plate in cooperation with the spring, the limiting block and the limiting hole, the sleeve is connected with the limiting plate, the bottom of the narrow barrel is supported through the fixing plate, the inner diameter of the narrow barrel is pressed through the pressing plate, the stability of the narrow barrel during placement is improved, and the narrow barrel can be conveniently and vertically stacked.

The utility model belongs to the technical field of wind measurement, and particularly relates to a steel row type wind measurement tower foundation and a wind measurement tower structure, which comprise a mounting table, the top of the mounting table is fixedly connected with a first fixing block; the top of the first fixing block is rotationally connected with a second fixing block. A fixing plate is fixedly connected to the side wall of the second fixing block. A bolt is arranged between the fixing plate and the first fixing block; the top of the second fixing block is fixedly connected with a wind control tower; supporting columns are arranged on the top of the wind control tower, and connecting rods are fixedly connected between the corresponding supporting columns. The top and the bottom of the supporting column are fixedly connected with connecting pieces. According to the utility model, the anemometer tower is built by arranging the second fixing blocks and the anemometer tower table, and the connecting rods are connected with the corresponding supporting columns, so that the flexibility of the anemometer tower is improved, the posture stability of the anemometer tower is maintained, the high-altitude operation requirement of the maintenance of the anemometer tower is favorably met, the personnel safety is improved, and the potential safety hazard is reduced.

The invention discloses an anemometer tower representativeness quantification method, system and device and a storage medium. The method comprises the steps of obtaining a time representativeness coefficient of anemometer data of an anemometer tower; obtaining the horizontal distance and the vertical height difference between each fan point location and the anemometer tower; determining a representative horizontal distance geographic range and a representative vertical height difference geographic range of the anemometer tower under different topographic conditions; according to the horizontal distance, the vertical height difference and the corresponding geographical range between each fan point location and the anemometer tower, obtaining a horizontal representative coefficient and a vertical representative coefficient of the anemometer tower to each fan point location; on the basis of the time representativeness coefficient, the horizontal representativeness coefficient and the vertical representativeness coefficient of the anemometer tower for each fan point location, combined with the microtopography influence coefficient and the anemometer tower trust coefficient, obtaining a comprehensive representativeness index of the anemometer tower for each fan point location in the wind power plant; and obtaining an average representative index of the anemometer tower to the whole wind power plant based on the comprehensive representative index of each fan point location.

The present invention relates to a wind power tower apparatus for a large-capacity floating wind power generator and a wind power generator construction method using same, and in particular, to a wind power tower apparatus and a wind power generator construction method using same, wherein the wind power tower apparatus enables easier work because installation and maintenance of the wind power generator can be carried out on a floating body itself through rails and a transport plate which are provided to be vertically moved between a plurality of towers. The wind power tower apparatus for a large-capacity floating wind power generator, according to an embodiment of the present invention, comprises a floating body which floats on the sea and is provided to support a structure installed on the upper portion thereof; a plurality of towers which are fixed at the center of the top of the floating body at certain distances from each other; a wind power generator which is fixed to the upper ends of the towers and is provided to generate electricity using wind power; and jacking equipment comprising rails respectively formed on the side surfaces of the plurality of towers and a transport plate which has a plate shape and is provided to transport an object while vertically moving along the rails among the plurality of towers.

The invention relates to the technical field of building decoration, and discloses a folding construction platform for decoration of an inner cavity of a wind tower, comprising: a frame, the outer wall of which is uniformly provided with a plurality of support beams along the circumferential direction; the supporting plates are detachably installed between every two adjacent supporting beams, the multiple supporting plates are arranged side by side along the long sides of the supporting beams to form a platform, and an inlet and an outlet are reserved in the edge of the platform; the guardrail door is fixed on the support plate through bolts to form protection for entering and exiting the platform; through the arrangement of the frame, the supporting beams, the supporting plates and the folding guardrails, the device is simple in structure, the folding guardrails can be well folded towards the center of the frame, so that the outer diameter of the construction platform is reduced, the platform is conveniently installed when the inner diameter of a tower drum is reduced, meanwhile, the edge of the platform can be protected through the folding guardrails, and the service life of the platform is prolonged. And the practicability of the device is improved.

1. Name of the product of this design: Graphical user interface for electronic device with interactive functions of wind power generation project and wind tower. 2. Purpose of this design product: an electronic device. 3. The key design point of this design product lies in the part of the graphical user interface in the electronic device for which protection is sought. 4. The picture or photo that best illustrates the key points of the design: main view. 5. The electronic equipment is of conventional design and other figures are omitted. 6. Purpose of the graphical user interface: The product interface is an interactive interface for displaying the geographical location of wind power projects and wind towers, information query and statistical analysis; it is used for quickly querying projects or wind towers according to conditions, as well as statistical analysis information of the query results; the main view interface is the interactive interface for entering the software; in the main view interface, click "statistics" at the bottom of the interface to enter the statistics function, and the interface change status diagram 1 is displayed; in the interface change status diagram 1 interface, enter the query conditions and click the "statistic" button in the interface to display the interface change status diagram 2; in the interface change status diagram 2 interface, click the circular icon at the top of the interface to display the interface change status diagram 3; in the interface change status diagram 3 interface, click the background at the top of the interface to display the interface change status diagram 4; the interface background area is the map screen.

The utility model relates to the technical field of falling prevention, and provides a wind tower crawling ladder falling prevention device which comprises a tower body. The vertical ladder is arranged on the tower body and is used for climbing; the anti-falling assembly is arranged on the vertical ladder, the anti-falling assembly can be connected to safety equipment of an operator, the anti-falling assembly ascends and descends along with the operator, and the anti-falling assembly is used for climbing along with the operator. By means of the technical scheme, the problems that in the related technology, a safety belt cannot be tied in the climbing process, and the high falling risk is likely to occur are solved.

The utility model relates to the technical field of wind power generation, and provides a deicing device for an anemometer tower and an anemometer tower assembly. The deicing device for the anemometer tower comprises a connecting mechanism and a deicing assembly. The connecting mechanism is connected with the anemometer tower, the deicing assembly is connected with the connecting mechanism, and the deicing assembly can do reciprocating telescopic movement relative to the anemometer tower. In the deicing process, the deicing assembly is hoisted to the corresponding height position of the anemometer tower through the connecting mechanism. The deicing assembly does reciprocating telescopic movement relative to the anemometer tower at the position of the height corresponding to the icing of the anemometer tower so as to remove the icing at the position. Therefore, on one hand, the deicing efficiency is greatly improved; on the other hand, manual deicing is not needed, and the risk of manual high-altitude operation is avoided.

A moored floating semi-submersible offshore wind turbine (1), the platform having at least three columns supported on two long strip-shaped underwater buoys in a T-shape, wherein one buoy (12) is perpendicular to the other buoy (11). A method for efficiently transporting a semi-submersible platform (1) to a second construction site close to a final offshore operation site after the hull components and sections are built at a first construction site, wherein the hull components and sections are assembled in a floating state at the dockside at the second construction site. At least one wind turbine device (301) or two wind turbine devices can be installed on the platform on a supporting structure (wind tower) (302). In the latter case, the platform is moored at sea using a mooring turret so that the platform faces a favorable wind direction.

The invention belongs to the technical field of concrete construction in ultrahigh altitude areas, and particularly relates to a method and system for determining the optimal construction window period of mass concrete in ultrahigh altitude areas. Comprising the following steps: S1, acquiring high-frequency meteorological factor original data of an anemometer tower in a wind power plant per unit time in N years; identifying and eliminating abnormal values, and filling missing values by adopting a linear interpolation method; forming a high-frequency meteorological data set with unit time as an interval; s2, according to the high-frequency meteorological data set in the step S1, a hierarchical structure model of the influence of high-frequency meteorological factors on concrete construction is constructed based on an AHP method, and a standardized construction suitability index is obtained through calculation; s3, performing statistics on construction suitability index frequency distribution of each month and each day, and generating a construction suitability index frequency distribution table of each month and each day; and S4, determining an optimal construction time window period through the construction suitability index frequency distribution table of each month and each day. And the determination of the optimal construction window period of the mass concrete in the ultrahigh altitude area is more accurate.

The utility model discloses an automatically lifting wind tower, comprising a wind tower body, a wind tower top plate, a moving plate, an anemometer, a transmission device, a slide rail and an anti-falling device. The wind tower fixed plate is connected to the top of the wind tower body, the moving plate is arranged inside the wind tower top plate, the anemometer is fixedly connected to the moving plate, a transmission device is arranged on the lower surface of the moving plate, and the transmission device is fixedly connected to the moving plate, the slide rail is vertically arranged on one side of the moving plate, and the slide rail is connected to the transmission device, the bottom end of the slide rail is fixedly connected to the wind tower body, the top end of the slide rail is connected to the lower surface of the wind tower top plate, and the anti-falling device is also arranged on the lower surface of the wind tower top plate and is located on one side of the slide rail. After the moving plate is raised to the top of the wind tower, the anti-falling device can indirectly fix the position of the moving plate by fixing the sliding block, so as to avoid the moving plate suddenly falling from a high altitude due to the disconnection of the rope.

The present invention relates to the field of wind power generation, and particularly to a method for calculating the wind speed in front of the nacelle of a wind turbine generator set, which comprises the following steps: obtaining the wind measurement data of the project location and the nacelle wind speed of each machine position; selecting representative machine positions according to the selection principle; calculating the annual wind speed measured by the wind measurement tower and calculating the representative annual wind speed; making a representative year judgment on the current year of the representative machine position; correcting the representative annual wind speed of the wind measurement tower to the wind speed of the current year; importing the time series of the wind measurement tower data into a numerical simulation software for calculation to obtain the average wind speed in front of the nacelle of each representative machine position; establishing a quantitative relationship between the nacelle wind speed and the average wind speed in front of the nacelle of each representative machine position to obtain a transfer function; and calculating the wind speed in front of the nacelle through the transfer function. The present invention analyzes by using the existing early-stage wind measurement tower data, improves the efficiency of the post-evaluation work, and saves the investment in new wind measurement equipment.

The utility model relates to the technical field of wind tower buildings, and discloses a steering support for reducing abrasion of a prestressed steel strand of a mixed tower, which comprises a tower wall and a steel strand arranged on the inner side of the tower wall, a steering adjusting mechanism is arranged between the tower wall and the steel strand and comprises a base fixed to the tower wall, a supporting frame arranged on one side of the base, a rotating shaft arranged on the supporting frame and a steering roller arranged on the rotating shaft, long-strip-shaped holes are formed in the four corners of the base, and bolts are arranged in the long-strip-shaped holes. Bolt sleeves are embedded in the positions, opposite to the bolts, of the tower wall, the bolts extend into the bolt sleeves and are used for limiting displacement between the tower wall and the base, headband hole pins are arranged on the supporting frames in a penetrating mode, the steering roller is arranged on the outer surfaces of the headband hole pins in a sleeving mode, and the steel strands make contact with the outer surfaces of the steering roller. The steering roller can reduce the stress loss at the turning position of the steel strand in the prestressed steel strand system and slow down the loss speed of the service life of the steel strand.

The embodiment of the invention provides a wind tower structure health monitoring system and method, electronic equipment and a medium, and the system comprises an end layer which is used for sensing the physical quantity change of a specific part of a wind tower in real time, generating a sensor analog signal, converting the sensor analog signal into a sensor digital signal, obtaining preprocessed sensor data, and transmitting the preprocessed sensor data to an edge layer; the edge layer is used for analyzing the sensor data, providing an analysis result for operation and maintenance personnel, sending local early warning information when abnormality is detected, and sending the corresponding analysis result and related data as operation and maintenance data to the cloud layer; the cloud layer is used for storing the operation and maintenance data of each wind tower structure health monitoring system, and comprehensively evaluating and predicting the health condition of the wind tower structure by adopting a structure health evaluation and damage prediction model based on big data analysis and an artificial intelligence algorithm according to a large amount of historical operation and maintenance data; and remote management and work coordination are carried out on the equipment of the end layer and the edge layer.

The utility model provides a folding type assembly type segmented steel structure wind tower platform which comprises installation platform plates, a first folding plate, a connecting supporting frame, a splicing stabilizing platform and an equipment installation platform plate, the installation platform plates are installed on the two sides of the first folding plate in a rotating mode, and the installation platform plates are fixedly installed on the top of a wind tower; the connecting support frame is fixedly mounted on the upper surfaces of the two groups of mounting platform plates, and the splicing stable platform is fixedly mounted on the surface of the connecting support frame; the equipment mounting table plate is fixedly mounted on the surface of the splicing stable platform; due to the arrangement of the first folding plate and the splicing stabilizing platform, the folding capacity is achieved, transportation and storage are convenient, and stability is achieved after installation.

The application provides a method, device and equipment for automatically arranging wind measurement towers in plain areas and a storage medium, and the method comprises the following steps: obtaining a coordinate set of multiple wind turbines, a preset coverage radius and a number of wind measurement towers, generating initial wind measurement tower positions by using a clustering algorithm based on the coordinate set and the number of wind measurement towers; for each to-be-arranged wind measurement tower, taking maximizing the number of wind turbines covered by the initial wind measurement tower position within the coverage radius as a target, and performing optimization under the condition of meeting a preset optimization constraint to obtain a locally optimized wind measurement tower position; taking minimizing the sum of distances from the wind measurement tower to all wind turbines in a wind turbine subset covered by the wind measurement tower as a target, and performing optimization and solving on the locally optimized wind measurement tower position under the condition of meeting a coverage constraint and an exclusion zone avoidance constraint to obtain a final wind measurement tower position; and outputting the final wind measurement tower position corresponding to each wind measurement tower and arrangement information corresponding to each wind measurement tower. The application improves the representativeness, objectivity and economy of the site selection of the wind measurement tower.

The invention discloses a radio telescope station site wind field regulation and control method based on actual measurement data and CFD, and solves the problems that wind speed measurement of a single wind tower in the prior art is difficult to comprehensively reflect the complete view of a complex station site terrain wind field, and a wind speed sudden increase area cannot be effectively identified. The method comprises the following steps: carrying out data preprocessing on wind speed and wind direction data, and carrying out model preprocessing on digital elevation model data; boundary conditions are calculated according to the preprocessed wind speed and wind direction data; taking the site average wind characteristics and the fluctuating wind characteristics as boundary conditions, and performing CFD simulation by using the three-dimensional terrain model to obtain a simulation result; identifying a plurality of key areas with sudden wind speed increase according to a simulation result, setting a windproof net in the plurality of key areas according to different windproof schemes, and performing simulation according to the different windproof schemes to obtain an optimal windproof scheme; according to the invention, the influence of wind disturbance on the radio telescope is effectively reduced, and the operation stability and observation performance of equipment are guaranteed.

The invention relates to an expansion joint sliding contact line for a wind tower, which comprises a plurality of sliding contact line bodies, a current collector and an expansion connecting mechanism, the sliding contact line bodies are sequentially connected through the expansion connecting mechanism, and the current collector is electrically connected with one sliding contact line body; in the actual wind tower installation process, the sliding contact line bodies can be installed in a wind tower, and when multiple sections of tower barrels are sequentially installed, one sliding contact line body can be connected with the first sliding power connection assembly through the locking assembly, and the other sliding contact line body can be connected with the second sliding power connection assembly through the locking assembly. And the first sliding power connection assembly and the second sliding power connection assembly slide to adjust and adapt to errors between the tower barrels, so that the tower barrels can better adapt to the errors between the tower barrels during installation, adjustment is not needed after pre-installation is completed, the workload is reduced, and the installation convenience of the tower barrels is improved.

The invention discloses a wind speed time delay calibration method, a buoy measurement wind speed correction method and a buoy measurement wind speed correction device. The wind speed time delay calibration method comprises the following steps: acquiring wind speed data measured by a buoy and wind speed data measured by a wind tower; respectively calculating trend values of the two wind speed data; respectively carrying out peak-valley value detection and segmentation processing on the two trend values, forming sub-sequence pairs by segmentation results of the two trend values, calculating a DTW path of each sub-sequence pair, and converting the DTW path into a global path; calculating a time delay sequence according to the global path to obtain a final time delay sequence; and carrying out time delay calibration on wind speed data measured by the wind tower according to the final time delay sequence. The buoy measurement wind speed correction method comprises the following steps: performing time delay calibration on wind speed data measured by a wind tower by using a wind speed time delay calibration method, constructing a data set, training a model by using the data set, and correcting the buoy measurement wind speed by using the model. The method can effectively correct the wind speed measured by the buoy, thereby reducing the error of offshore wind speed measurement.

The utility model discloses a natural ventilation and cooling device using phase change materials and multi-directional wind towers, including an air induction device, an air exhaust device and a phase change energy storage plate; the air induction device includes an air induction device frame and an air induction device baffle that can be flipped to the inside of the air inlet cavity under the push of external airflow to open the corresponding air inlet; the air exhaust device includes an air exhaust device frame and an air exhaust device baffle that can be flipped to the outside of the exhaust cavity under the push of airflow in the exhaust cavity to open the corresponding air outlet; the phase change energy storage plate is arranged at one end of the air outlet near the air inlet cavity, so that the external airflow entering from the air inlet is blown to the phase change energy storage plate through the air outlet of the air inlet cavity; the air inlet of the exhaust cavity and the air outlet of the air inlet cavity are located on both sides of the phase change energy storage plate. The natural ventilation and cooling device using phase change materials and multi-directional wind towers disclosed by the utility model realizes the combination of multi-directional natural ventilation equipment and phase change materials, so that stable fresh air can be generated to enter the room in any wind direction, ensuring that the fresh air entering the room reaches the indoor comfortable temperature range.

The application discloses a wind power tower overhauling and maintaining device, and belongs to the technical field of wind tower overhauling. The wind power tower overhauling and maintaining device comprises a box body, a safety band is arranged on the surface of the middle part of the box body, an internal connecting frame is fixedly connected in the box body, an anti-loosening frame is arranged in the internal connecting frame, a rope running mechanism is arranged on the both sides of the bottom end of the anti-loosening frame, an electric rope winding mechanism is arranged on the bottom of the anti-loosening frame, and a safety rope is slidably connected between the anti-loosening frame and the electric rope winding mechanism. The anti-loosening frame is designed with the rope running mechanism. Specifically, the anti-slip layer is in contact with the safety rope. Through the symmetrical movable structure, the anti-loosening frame can tighten the safety rope when ascending or descending, can stably fix the safety rope, and ensures the stability and reliability of the safety rope in use.

A modular wind turbine tower is related to the faster and easier production, transportation and assembly processes of wind turbine towers with a height of more than 100 meters, which become difficult due to the tower diameter and material thickness increasing towards the base as the height increases.