CN116677557A - Wind power generation device - Google Patents

Wind power generation device Download PDF

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Publication number
CN116677557A
CN116677557A CN202310827500.1A CN202310827500A CN116677557A CN 116677557 A CN116677557 A CN 116677557A CN 202310827500 A CN202310827500 A CN 202310827500A CN 116677557 A CN116677557 A CN 116677557A
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CN
China
Prior art keywords
power generation
cable
wind power
generator
traction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310827500.1A
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Chinese (zh)
Inventor
梁生玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Canfeng Technology Co ltd
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202310827500.1A priority Critical patent/CN116677557A/en
Publication of CN116677557A publication Critical patent/CN116677557A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D5/00—Other wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D15/00—Transmission of mechanical power
    • F03D15/10—Transmission of mechanical power using gearing not limited to rotary motion, e.g. with oscillating or reciprocating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The application provides a wind power generation device, and relates to the field of wind power generation. The system comprises a cable, a plurality of groups of traction components and a plurality of groups of power generation components, wherein the traction components and the power generation components are fixed on the cable, a main cable is attached to the cable, the traction components and the power generation components are respectively connected with the main cable, and the main cable is connected with a control system arranged on the ground; the both ends of hawser are stiff end and suspension end respectively, and the stiff end is used for being fixed in ground, and multiunit traction assembly and multiunit power generation assembly distribute to the stiff end along suspension end in proper order. According to the wind power generation device, the wind power generator is lifted to the stratosphere through simulating the kite, so that the wind power generator can be arranged at any position which does not influence the flight safety, and the wind power generator can efficiently and stably generate power without depending on wind power resources on the ground.

Description

Wind power generation device
Technical Field
The application relates to the field of wind power generation, in particular to a wind power generation device.
Background
Wind power generation is the conversion of wind kinetic energy into electrical energy. Wind energy is a clean and pollution-free renewable energy source, and is used by people for a long time, mainly by pumping water and grinding surfaces through windmills, and the like, and is used for generating electricity at present. The wind power generation is very environment-friendly, accords with the current international trend, has huge wind energy reserve, and is increasingly valued in all countries of the world.
At present, the existing wind power generation equipment is deployed in the area with rich wind power resources on the ground or at sea, and suffers from the problems of unstable wind power and low efficiency. The stratosphere is an atmospheric space above one thousand meters above altitude, where there are infinite wind resources, and is a natural, unbiased gift. At a height of one thousand meters, the wind speed is 30 meters/second, which corresponds to the 11-level wind on the ground, and the wind speed is larger along with the increase of the height, but there is no wind power generation device capable of rising to the stratosphere and utilizing the wind power resources of the stratosphere in the prior art.
Disclosure of Invention
The application aims to provide a wind power generation device, which can lift a wind power generator to a stratosphere through simulating a kite, can be arranged at any position which does not influence flight safety, can efficiently and stably generate power, and does not depend on wind power resources on the ground.
In order to solve the technical problems, the application adopts the following technical scheme:
the wind power generation device comprises a cable, a plurality of groups of traction components and a plurality of groups of power generation components, wherein the traction components and the power generation components are fixed on the cable, a main cable is attached to the cable, the traction components and the power generation components are respectively connected with the main cable, and the main cable is connected with a control system arranged on the ground; the two ends of the mooring rope are respectively a fixed end and a suspension end, the fixed ends are used for being fixed on the ground, and a plurality of groups of traction assemblies and a plurality of groups of power generation assemblies are distributed along the suspension ends to the fixed ends in sequence.
Further, in the present application, the traction assembly includes a fan base fixed to the cable and a traction fan fixed to the fan base.
Further, in the present application, the fan base includes a fixed disc and a plurality of fan brackets, the fan brackets are distributed on the outer side wall of the fixed disc at intervals, one end of each fan bracket is connected with the fixed disc, and the other end of each fan bracket is bent towards the axial direction of the cable; the traction fans are arranged in a plurality, and the traction fans are respectively arranged at the end parts of the fan brackets.
Further, in the application, a first speed increaser is arranged in the fan bracket, and the first speed increaser is connected with the traction fan.
Further, in the present application, the power generation assembly includes a power generation base, a power generator, and a center post rotatably connected to the power generation base, the power generator is fixed to the power generation base, and the center post is fixed to the cable.
Further, in the application, the power generation base comprises a fixed circular ring and a plurality of power generator supports, the plurality of power generator supports are distributed on the outer side wall of the fixed circular ring at intervals, one end of each power generator support is connected with each power generator support, and the other end of each power generator support is bent towards the axial direction of the cable; the generator is provided with a plurality of generators, and the generators are respectively arranged at the end parts of the generator brackets.
Further, in the present application, the center pillar includes a rotating disc and a connection pillar integrally connected, the rotating disc is rotatably connected to the inside of the fixed ring through a first rotating structure, and the connection pillar is fixed to an end surface of the rotating disc, wherein the cable passes through the rotating disc and the inside of the connection pillar.
Further, in the application, two opposite sides of the rotating disc are respectively connected with the fixed circular ring in a rotating way through a first rotating shaft, the first rotating structure is arranged in the fixed circular ring and comprises a first rotating motor and a first gear set, and the first rotating motor is connected with the first rotating shaft through the first gear set.
Further, in the application, the generator comprises a generating impeller, a second speed increaser, a rotor main shaft, a stator core, a multi-stage stator winding, a rotor core and a multi-stage rotor winding, wherein the rotor main shaft penetrates through the generator bracket and extends outwards to be in transmission connection with the generating impeller, the rotor core is sleeved on the rotor main shaft, the multi-stage rotor winding is wound on the rotor core, the stator core is sleeved on the rotor core, and the multi-stage stator winding is wound on the stator core, wherein the rotor winding and the stator winding are respectively connected with the main cable through a split cable; the second speed increaser is sleeved on the rotor main shaft and is close to the power generation impeller.
Further, in the application, one end of the rotor main shaft, which is far away from the power generation impeller, is provided with a moving slip ring.
Further, in the present application, the power generation assembly further includes a lift wing rotatably connected to the top side wall of the connection post by a second rotation structure.
Further, in the application, the lifting wing is connected with the connecting column through a second rotating shaft, the second rotating structure is arranged inside the lifting wing, the second rotating structure comprises a second rotating motor and a second gear set, and the second rotating motor is connected with the second rotating shaft through the second gear set; the lift wing is internally provided with a transmission shaft, one end of the transmission shaft is connected with the second rotating shaft through a coupler, and the other end of the transmission shaft is rotationally connected with the inner wall of the lift wing through a bearing.
Further, in the application, the power generation assembly further comprises a rudder which is in a right-angle triangle sheet structure, and one right-angle side of the rudder is fixed to the side wall of the connecting column.
Further, in the present application, the power generation assembly further includes a plurality of inverter rectification modules, the plurality of inverter rectification modules are disposed in the fixed ring near the end of the generator support, and the plurality of sub-cables in each of the generator supports are connected to the inverter rectification modules and are connected to the main cable after rectification.
Further, in the application, a bearing seat and a bearing are arranged at the joint of the cable and the middle column, the bearing seat is sleeved on the cable, the bearing is sleeved on the bearing seat, and a clamping ring is arranged between the bearing and the bearing seat.
Further, in the present application, the rotor spindle employs a field magnet.
The application has at least the following advantages or beneficial effects:
according to the application, the wind driven generator can be lifted to the stratosphere through the traction component, the power generation component and the cable simulation kite, the traction component is arranged to traction the wind driven generator to overcome the dead weight of the power generation device, the on-off state and the working state of the traction component and the power generation component are respectively controlled through the control system on the ground, the traction component needs to be powered to provide traction for the power generation component in the flying/recovering state, the traction component does not need to be powered in the working state, and the power generation component utilizes the wind power resources of the power generation component to efficiently and stably generate power and transmit the power through the main cable through the high wind speed of the stratosphere. According to the wind power generation device, the wind power generator is lifted to the stratosphere through simulating the kite, so that the wind power generator can be arranged at any position which does not influence the flight safety, and the wind power generator can efficiently and stably generate power without depending on wind power resources on the ground.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an overall structure of a wind power generation device according to an embodiment of the present application;
FIG. 2 is a schematic view of a wind power generation device according to an embodiment of the present disclosure in a flying or recovering state;
FIG. 3 is a schematic view of an operating state of a wind turbine generator according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural view of a traction assembly provided in an embodiment of the application;
FIG. 5 is a partial cross-sectional view of a power generation assembly provided by an embodiment of the application;
FIG. 6 is an enlarged schematic view of the structure at B in FIG. 5 of the application example;
FIG. 7 is an enlarged schematic view of the structure at A in FIG. 5 of the application example;
fig. 8 is a schematic structural diagram of a speed increaser in the prior art according to an embodiment of the present application.
Icon: 100-cables, 110-main cables, 200-traction components, 210-fan bases, 211-fixed disks, 212-fan supports, 220-traction fans, 300-power generation components, 310-power generation bases, 311-fixed rings, 312-power generation supports, 320-center poles, 321-rotating disks, 322-connecting poles, 330-power generators, 331-power generation impellers, 332-speed increasers, 333-rotor spindles, 334-stator windings, 335-rotor windings, 336-moving slip rings, 337-inversion rectification modules, 338-sub-cables, 340-lifting wings, 350-direction stabilizing rudders, 410-first rotating shafts, 420-first rotating motors, 430-first gear sets, 510-second rotating shafts, 520-second rotating motors, 530-second gear sets, 540-transmission shafts, 610-bearing seats, 620-bearings, 630-snap rings.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples
Referring to fig. 1 to 8, a schematic structural diagram of a wind power generation device according to an embodiment of the application is shown;
the embodiment provides a wind power generation device, which comprises a cable, a plurality of groups of traction components and a plurality of groups of power generation components, wherein the traction components and the power generation components are fixed on the cable, a main cable is attached to the cable, the traction components and the power generation components are respectively connected with the main cable, and the main cable is connected with a control system arranged on the ground; the two ends of the mooring rope are respectively a fixed end and a suspension end, the fixed ends are used for being fixed on the ground, and a plurality of groups of traction assemblies and a plurality of groups of power generation assemblies are distributed along the suspension ends to the fixed ends in sequence.
Next, a wind power generation device according to the present exemplary embodiment will be further described.
In some embodiments of the present application, as shown in fig. 1-2, the traction assembly includes a fan base and a traction fan, the fan base is fixed to the cable, the traction fan is fixed to the fan base, the traction fan is connected to a main cable, power is supplied through the main cable, the main cable is connected to a power grid, and the main cable is connected to a ground-mounted control system, and each control signal can be received, analyzed, and transmitted through the control system; the embodiment of the application is provided with a plurality of groups of traction components, the groups of traction components are sequentially arranged at the suspension end of the mooring rope, power is required to be supplied to the power generation component to provide traction force in the flying or withdrawing state, and power supply is not required in the power generation working state.
As a preferred embodiment, the cable is made of a high-strength low-density material, has high strength and low weight, and has the following functions: fixing the power generation device on the ground; maintaining the power generation device in its posture; installing a traction assembly and a power generation assembly; for attaching the main cable.
As a preferred embodiment, as shown in fig. 3, the fan base includes a fixed disc and a plurality of fan brackets, the fan brackets are distributed on the outer side wall of the fixed disc at intervals, one end of the fan bracket is connected with the fixed disc, and the other end of the fan bracket is bent towards the axial direction of the cable; the traction fans are provided in plurality and are respectively arranged at the end parts of the fan brackets.
As a preferred embodiment, a first speed increaser is arranged in the fan bracket and is connected with the traction fan, as shown in fig. 7, the speed regulation and locking of the traction fan are realized by adopting a speed increaser structure in the prior art, the first speed increaser is connected with a control system through a branch cable and a main cable, the start and stop and working parameters of the speed increaser are controlled by the control system, so that the speed regulation, locking or unlocking of the traction fan is realized, when the power generation state is in, the traction assembly is required to be powered off and the traction fan is required to be locked, when the power generation state is in a flying or withdrawing state, the traction fan is required to be unlocked, the traction fan is enabled to be rotated by wind power to lift the traction force, and the speed regulation is carried out on the traction fan according to the height and the wind power.
In some embodiments of the present application, as shown in fig. 1, the power generation assembly includes a power generation base, a power generator, and a center pillar rotatably connected to the power generation base, the power generator is fixed to the power generation base, the center pillar is fixed to the cable, a bearing seat and a bearing are provided at a connection portion of the cable and the center pillar, the bearing seat is sleeved on the cable, the bearing is sleeved on the bearing seat, and a snap ring is provided between the bearing and the bearing seat, and by providing a bearing seat capable of protecting a main cable and installing a pair of self-aligning bearings, abrasion of the main cable and the cable can be prevented, as shown in fig. 4 to 5; above-mentioned generator is connected with main cable, supplies power through main cable, through setting up center pillar and power generation base into rotation connection, but power generation base inclination adjustment to can adjust the windward angle of generator and make it just to the wind direction, make power generation efficiency highest, increase the benefit.
As a preferred embodiment, the power generation base comprises a fixed ring and a plurality of power generator supports, the plurality of power generator supports are distributed on the outer side wall of the fixed ring at intervals, one end of each power generator support is connected with each power generator support, the other end of each power generator support is bent towards the axial direction of the cable, the power generation base and the fan base are in flower-like structures, and the power generator and the traction fan are located in the same axial direction with the cable in the flying and recovering process, so that damage to the power generator and the fan blades can be prevented; the plurality of generators are arranged at the end parts of the plurality of generator brackets respectively; the center column comprises a rotating disc and a connecting column which are integrally connected, the two opposite sides of the rotating disc are respectively connected with the fixed circular ring in a rotating mode through a first rotating structure, the rotating disc is connected to the inside of the fixed circular ring in a rotating mode, the connecting column is fixed to the end face of the rotating disc, the cable penetrates through the rotating disc and the inside of the connecting column, namely the center column is always located on the same axis with the cable, and the power generation base can rotate for inclination.
As a preferred embodiment, as shown in fig. 4, the first rotating structure is disposed in the fixed ring, the first rotating structure includes a first rotating motor and a first gear set, the first rotating motor is connected with the first rotating shaft through the first gear set, specifically, the first gear set may include a driving gear and a driven gear that are meshed with each other, the driving gear is sleeved on an output shaft of the first rotating motor, the driven gear is sleeved on the first rotating shaft, and the driving gear is driven by the first rotating motor to rotate so as to drive the driven gear to rotate, thereby driving the first rotating shaft to rotate, further realizing angle adjustment between the rotating disc and the fixed ring, and adjusting a windward angle of the wind driven generator during power generation to enable the windward angle to always face the wind direction.
In some embodiments of the present application, to balance the dead weight, the power generation assembly further includes a lift wing rotatably connected to the top sidewall of the connection post by a second rotation structure, and providing lift by using wind power. The angle of the lift wing is adjusted through the second rotating structure so as to adjust the lift-drag ratio, wherein the appearance of the lift wing is required to be designed in a drag reduction way so as to improve the lift-drag ratio.
As a preferred embodiment, as shown in fig. 4, the lifting wing is connected with the connecting post through a second rotating shaft, the second rotating structure is arranged inside the lifting wing, the second rotating structure comprises a second rotating motor and a second gear set, the second rotating motor is connected with the second rotating shaft through the second gear set, specifically, the second gear set may comprise a driving gear and a driven gear which are meshed with each other, the driving gear is connected with an output shaft of the second rotating motor, the driven gear is connected with the second rotating shaft, the driving gear is driven to rotate by the second rotating motor, the driven gear is driven to rotate, so that the second rotating shaft is driven to rotate, further, the angle adjustment between the connecting post and the lifting wing is realized, and the lift-drag ratio is adjusted by adjusting the angle of the lifting wing; the lifting wing is internally provided with a transmission shaft, one end of the transmission shaft is connected with the second rotating shaft through a coupler, the other end of the transmission shaft is rotationally connected with the inner wall of the lifting wing through a bearing, and the transmission shaft plays roles in supporting and transmission so as to improve the stability of the lifting wing.
As a preferred embodiment, an angle sensor (not shown in the figure in the prior art) for detecting an angle between the lift wing and the center pillar is provided between the lift wing and the center pillar, and the rotation angle is detected in real time by the angle sensor, so that the lift wing can be adjusted according to actual conditions.
In some embodiments of the application, the power generation assembly further comprises a rudder having a right angle delta-shaped structure, wherein one right angle side of the rudder is fixed to a side wall of the connecting post. The purpose of this is to keep the generator in the example of the application facing the wind direction, the direction is maintained by means of a rudder which is mounted on the center post and which will point in the direction of the wind leaving when the wind blows, see figure 2.
In some embodiments of the present application, as shown in fig. 6, the generator includes a generator impeller, a second speed increaser, a rotor spindle, a stator core, a multi-stage stator winding, a rotor core and a multi-stage rotor winding, where the rotor spindle penetrates inside the generator support and extends outwards to be in driving connection with the generator impeller, and the rotation of the generator impeller drives the rotor spindle to rotate; the rotor core is sleeved on the rotor spindle, the rotor winding is wound on the rotor core in multiple stages, the stator core is sleeved on the rotor core, the stator winding is wound on the stator core in multiple stages, and the rotor winding and the stator winding are connected with the main cable through separate cables respectively; setting a plurality of redundant windings for coping with wide wind speed, wherein some windings do not participate in power generation at low wind speed, when some redundant windings are connected at high wind speed, damping of all power generation windings reduces the rotation speed of power generation impellers, all power generation impellers are at high-efficiency power generation rotation speed, all windings of the wind driven generator need to be capable of controlling whether the windings are involved in power generation, and a relay is used for controlling whether the windings are open-circuited; the second speed increaser is sleeved on the rotor main shaft and is close to the power generation impeller, the power generation impeller is driven to rotate by utilizing the wind power of the stratosphere, the rotating speed is increased by the second speed increaser, the power generation of the power generator is promoted, the second speed increaser has the same structure as the first speed increaser, and as shown in fig. 7, the speed regulation or locking of the power generation impeller is realized by the speed increaser.
In some embodiments of the present application, the power generating assembly further includes a plurality of inverter rectification modules, wherein the plurality of inverter rectification modules are disposed in the fixed ring near the end of the generator support, and the plurality of sub-cables in each of the generator supports are connected to the inverter rectification modules and connected to the main cable after rectification. In order to combine power and reduce the line loss of long-distance power transmission, the power generation assembly needs to have the functions of transformation and inversion, and has the functions of transformation/inversion/monitoring/control and the like by arranging an inversion rectification module (such as a transformer, a rectifier, a monitor and the like), so that the power generated by the generator is converted from low-voltage alternating current to high-voltage direct current so as to be converged into a main cable, and the power is transmitted to the ground through the main cable in a high-voltage direct current mode, so that the line loss of the main cable is reduced.
As a preferred embodiment, the rotor spindle uses a field magnet. The rotor main shaft in the wind driven generator can not use permanent magnets but needs an excitation circuit, and the power supply of the excitation circuit is obtained from a main cable through inversion, transformation and rectification.
As a preferred implementation mode, one end of the rotor main shaft far away from the power generation impeller is provided with a moving slip ring, the inner ring and the outer ring of the slip ring are arranged on a bearing seat sleeved outside the rotor main shaft, so that the power is supplied to the excitation circuit while moving, the power generated by the power generation assembly is uploaded to a main cable, and the cable which is connected with the main cable is prevented from being twisted off during rotation.
In some embodiments of the present application, a plurality of sets of power generation assemblies are provided, the detection system signal of each set of power generation assembly needs to be transmitted to the ground by a main cable in a carrier mode, the circuit of the control system is located on the ground to facilitate debugging and maintenance, and the control signal is transmitted to each power generation assembly by the main cable in a carrier mode.
In some embodiments of the present application, each rotating portion of the traction assembly and the power generation assembly is provided with a rotating bearing and a bearing seat, so that the cable or the main cable is prevented from being broken during the rotation process.
In a specific embodiment, the method and the device are deployed on a selected site, and the steps for deploying the method and the device are as follows:
before deployment, the traction assembly and the power generation assembly are assembled respectively and tested to have reliable functions, and the traction assembly and the power generation assembly are connected with the main cable in parallel respectively, so that the on-off of the traction assembly and the power generation assembly can be controlled independently; in the flying or withdrawing state, the center pillar and the power generation base in the power generation assembly are required to be in a vertical state, the lifting wing and the center pillar are in an inclined state, and the lifting wing and the center pillar incline towards one side of the wind direction, so that resistance is reduced in the flying and withdrawing process.
The specific deployment is as follows: the rear end of a cable is fixed on the ground, a main cable is connected into a power grid, the whole system is prevented from flying away due to the influence of wind in the flying process, and the main cable is prevented from being broken;
the main cable is electrified to prepare the traction assembly and the power generation assembly, and the inversion rectifying module is electrified;
powering on each traction assembly in turn to enable a fan in the traction assembly to rotate, so that the traction assembly is lifted upwards and provides upward traction force for the cable;
sequentially powering on each power generation assembly, so that the impeller of the power generator rotates to lift the power generation assembly upwards and provide traction for the cable;
the angle of the lifting wing is adjusted by detecting the height of each power generation assembly, and when the wind power enters the stable height, the lifting wing provides lifting force, wherein the height detection can adopt a height sensor in the prior art, the height sensor is arranged in each power generation assembly, and signals are transmitted to a control system through a branch cable and a main cable;
when the ground cable is straightened, all the power generation assemblies are powered off in sequence from back to front, and the generator impeller is locked, so that preparation is made for starting power generation;
the windward angle of the wind driven generator is adjusted to enable the wind driven generator to face the wind direction, so that the impeller of the wind driven generator faces the wind direction, the power generation efficiency is highest, and the benefit is increased;
the locking of the generator impellers of each group is respectively released, so that the generator impellers can generate electricity;
powering off each traction assembly in a bottom-to-top sequence and locking the traction fan so that the active traction process is ended;
and finally, cutting off the power supply of the main cable, and ending the flying process to supply power to the power grid.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (16)

1. The wind power generation device is characterized by comprising a cable, a plurality of groups of traction components and a plurality of groups of power generation components, wherein the traction components and the power generation components are fixed on the cable, a main cable is attached to the cable, the traction components and the power generation components are respectively connected with the main cable, and the main cable is connected with a control system arranged on the ground; the two ends of the mooring rope are respectively a fixed end and a suspension end, the fixed ends are used for being fixed on the ground, and a plurality of groups of traction assemblies and a plurality of groups of power generation assemblies are distributed along the suspension ends to the fixed ends in sequence.
2. The wind power generation apparatus of claim 1, wherein the traction assembly includes a fan base secured to the cable and a traction fan secured to the fan base.
3. The wind power generation device according to claim 2, wherein the fan base comprises a fixed disc and a plurality of fan brackets, the fan brackets are distributed on the outer side wall of the fixed disc at intervals, one end of each fan bracket is connected with the fixed disc, and the other end of each fan bracket is bent towards the axial direction of the cable; the traction fans are arranged in a plurality, and the traction fans are respectively arranged at the end parts of the fan brackets.
4. A wind power plant according to claim 3, characterized in that a first speed increaser is provided in the fan housing, said first speed increaser being connected to the traction fan.
5. The wind power generation device of claim 1, wherein the power generation assembly comprises a power generation base, a generator, and a center post, the center post rotatably coupled to the power generation base, the generator secured to the power generation base, the center post secured to the cable.
6. The wind power generation device according to claim 5, wherein the power generation base comprises a fixed circular ring and a plurality of generator supports, the plurality of generator supports are distributed on the outer side wall of the fixed circular ring at intervals, one end of each generator support is connected with each generator support, and the other end of each generator support is bent towards the axial direction of the cable; the generator is provided with a plurality of generators, and the generators are respectively arranged at the end parts of the generator brackets.
7. The wind power generation apparatus of claim 6, wherein the center post includes a rotating disk and a connection post integrally connected, the rotating disk is rotatably connected to an inside of the fixed ring by a first rotating structure, and the connection post is fixed to an end surface of the rotating disk, wherein the cable passes through the rotating disk and the inside of the connection post.
8. The wind power generation device according to claim 7, wherein opposite sides of the rotating disc are respectively rotatably connected with the fixed ring through first rotating shafts, the first rotating structure is arranged in the fixed ring, the first rotating structure comprises a first rotating motor and a first gear set, and the first rotating motor is connected with the first rotating shaft through the first gear set.
9. The wind power generation device according to claim 6, wherein the generator comprises a power generation impeller, a second speed increaser, a rotor main shaft, a stator core, a multi-stage stator winding, a rotor core and a multi-stage rotor winding, wherein the rotor main shaft penetrates through the generator support and extends outwards to be in transmission connection with the power generation impeller, the rotor core is sleeved on the rotor main shaft, the multi-stage rotor winding is wound on the rotor core, the stator core is sleeved on the rotor core, the multi-stage stator winding is wound on the stator core, and the rotor winding and the stator winding are respectively connected with the main cable through separate cables; the second speed increaser is sleeved on the rotor main shaft and is close to the power generation impeller.
10. A wind power plant according to claim 9, characterized in that the end of the rotor spindle remote from the generator wheel is provided with a moving slip ring.
11. The wind power generation apparatus of claim 7, wherein the power generation assembly further comprises a lift wing rotatably coupled to the top sidewall of the connection post by a second rotary structure.
12. The wind power generation device according to claim 11, wherein the lifting wing is connected with the connecting column through a second rotating shaft, the second rotating structure is arranged inside the lifting wing, the second rotating structure comprises a second rotating motor and a second gear set, and the second rotating motor is connected with the second rotating shaft through the second gear set; the lift wing is internally provided with a transmission shaft, one end of the transmission shaft is connected with the second rotating shaft through a coupler, and the other end of the transmission shaft is rotationally connected with the inner wall of the lift wing through a bearing.
13. The wind power plant of claim 7, wherein the power generation assembly further comprises a rudder having a right angle delta configuration, one of the right angle sides of the rudder being secured to a side wall of the connection post.
14. The wind power generation apparatus of claim 9, wherein the power generation assembly further comprises a plurality of inverter rectification modules, the plurality of inverter rectification modules being disposed within the stationary ring proximate to the generator mount ends, the plurality of sub-cables within each of the generator mounts being connected to the inverter rectification modules and rectified and connected to the main cable.
15. The wind power generation device according to claim 5, wherein a bearing seat and a bearing are arranged at the joint of the cable and the middle column, the bearing seat is sleeved on the cable, the bearing is sleeved on the bearing seat, and a clamping ring is arranged between the bearing and the bearing seat.
16. Wind power plant according to claim 9, characterized in that the rotor spindle employs a field magnet.
CN202310827500.1A 2023-07-06 2023-07-06 Wind power generation device Pending CN116677557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310827500.1A CN116677557A (en) 2023-07-06 2023-07-06 Wind power generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310827500.1A CN116677557A (en) 2023-07-06 2023-07-06 Wind power generation device

Publications (1)

Publication Number Publication Date
CN116677557A true CN116677557A (en) 2023-09-01

Family

ID=87781040

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310827500.1A Pending CN116677557A (en) 2023-07-06 2023-07-06 Wind power generation device

Country Status (1)

Country Link
CN (1) CN116677557A (en)

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