CN113217289A - Combined wind power generation device for improving wind power utilization rate and control method - Google Patents

Combined wind power generation device for improving wind power utilization rate and control method Download PDF

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Publication number
CN113217289A
CN113217289A CN202110568467.6A CN202110568467A CN113217289A CN 113217289 A CN113217289 A CN 113217289A CN 202110568467 A CN202110568467 A CN 202110568467A CN 113217289 A CN113217289 A CN 113217289A
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CN
China
Prior art keywords
power generation
fixedly connected
wind power
sliding
generation device
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Withdrawn
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CN202110568467.6A
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Chinese (zh)
Inventor
朱鸣飞
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Hefei Tingluan Energy Co ltd
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Hefei Tingluan Energy Co ltd
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Publication date
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Priority to CN202110568467.6A priority Critical patent/CN113217289A/en
Publication of CN113217289A publication Critical patent/CN113217289A/en
Withdrawn legal-status Critical Current

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    • 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
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • 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 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0276—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
    • 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 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04—Automatic control; Regulation
    • F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
    • 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)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a combined wind power generation device for improving the wind power utilization rate and a control method, and relates to the technical field of wind power generation. The wind power generation device comprises a base, wherein a wind rod is fixedly connected to the base, the upper end of the wind rod is fixedly connected with a combined power generation device, the combined power generation device comprises a supporting seat, the supporting seat is fixedly connected to the upper end of the wind rod, an annular sliding rail is arranged on a supporting group, and a plurality of power generation assemblies are connected to the sliding rail in a sliding manner; the power generation assembly comprises a sliding seat, a support column is fixedly connected to the sliding seat, a generator room body is fixedly connected to the upper end of the support column, and a rotor blade is fixedly connected to one end of the generator room body; the center of the supporting seat is fixedly connected with a motor, and a rotating component used for driving the power generation component to move along the sliding rail is fixedly connected with a rotating shaft of the motor. The invention drives the plurality of power generation assemblies to rotate through the motor, and finds the maximum rotating speed position of the rotor blade, thereby improving the utilization rate of wind power generation.

Description

Combined wind power generation device for improving wind power utilization rate and control method
Technical Field
The invention belongs to the technical field of wind power generation, and particularly relates to a combined wind power generation device for improving the wind power utilization rate and a control method.
Background
Due to the limited energy storage of the earth, the earth is increasingly exhausted and in short supply with continuous exploitation, and threatens the survival and development of human beings. Therefore, how to reasonably utilize natural energy sources, such as solar energy, wind energy and the like, is a problem which must be solved at present. Wind power generation is one of measures for reasonably utilizing natural energy. At present, human life has great demand on electric power, more wind power generation equipment is set up in regions with larger wind power, but wind is generated by airflow flowing, the airflow does not always keep the same running direction, in the process of continuous change of the air flow, the wind power of each direction of the wind power generation device is different, because the wind power generation devices are fixed in one direction, in the air flow change process, after the wind power of the front face of the wind power generation device is weakened or strengthened towards the wind power generation device, the front wind speed of the wind power generation device is not in the wind speed range required by power generation, the power generation efficiency thereof is reduced, and the wind blowing from the side thereof generates power according to the power generation, since the conventional wind turbine generator is not effective, not only the power generation efficiency is lowered, but also a large amount of wind power resources that can generate power are wasted.
Disclosure of Invention
The invention aims to provide a combined wind power generation device and a control method for improving the wind power utilization rate.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a combined wind power generation device for improving the wind power utilization rate, which comprises a base, wherein a wind rod is fixedly connected to the base, the upper end of the wind rod is fixedly connected with a combined power generation device, the combined power generation device comprises a supporting seat, the supporting seat is fixedly connected to the upper end of the wind rod, an annular sliding rail is arranged on a supporting group, and a plurality of power generation components are connected onto the sliding rail in a sliding manner; the power generation assembly comprises a sliding seat, the sliding seat is connected to the sliding rail in a sliding mode, a supporting column is fixedly connected to the sliding seat, a generator room body is fixedly connected to the upper end of the supporting column, and a rotor blade is fixedly connected to one end of the generator room body; the supporting seat is characterized in that a motor is fixedly connected to the center of the supporting seat, and a rotating assembly used for driving the power generation assembly to move along the sliding rail is fixedly connected to the rotating shaft of the motor.
Furthermore, a reinforcing rod is arranged at the joint of the sliding seat and the supporting column.
Furthermore, a rotating speed sensor is arranged on the generator cabin body, an analysis module is arranged in the generator cabin body, and the analysis module is used for calculating the average rotating speed of the rotor blades.
Further, fixedly connected with controller on the supporting seat, revolution speed sensor, analysis module, motor all with controller electric connection.
Further, the rotating assembly comprises an annular body, a fixed disc is arranged at the center of the annular body, the fixed disc is fixedly connected with the rotating shaft of the motor, and the fixed disc is fixedly connected with the inner wall of the annular body through a plurality of connecting rods.
Further, the outer fixed surface of ring body be connected with the riser of the C type form of electricity generation subassembly one-to-one, a vertical slide bar of fixed connection in the riser, sliding connection has a pair of slider on the slide bar, it has a connecting rod to articulate on the slider, the one end of connecting rod articulates on the support column.
Furthermore, a spring is arranged between the two sliding blocks and connected to the surface of the sliding rod.
A control method of a combined wind power generation device for improving the wind power utilization rate comprises the following steps:
the method comprises the steps that firstly, airflow drives a rotor blade to rotate, a rotating speed sensor senses the rotating speed of the rotor blade and sends data to an analysis module, and the analysis module calculates the average rotating speed of the rotor blade within X minutes to be VnWherein V isnIs the sum of the average rotational speeds of all rotor blades.
Step two, the controller controls the motor to drive the power generation assembly to move for m degrees along the annular track, the rotating speed sensor senses the rotating speed of the rotor blade and sends data to the analysis module, and the analysis module calculates the position of the rotor bladeAverage rotational speed in X minutes is Vn+1；
Step three, if Vn+1＞VnRepeating the second step until the maximum average rotating speed V of the rotor blade within X minutes is foundnAt the position, the motor drives the generator component to move to VnThe location of the location; if Vn+1＜VnThen the motor drives the generator component to move for m distances in the opposite direction until the maximum average rotating speed V of the rotor blade within X minutes is found outnAt the position, the motor drives the generator component to move to VnThe location of the location.
Further, the value of m is 30 to 45 °, and the value of X is 2 to 5 minutes.
Further, the maximum average rotating speed V of the rotor blade in X minutes is found in the third stepnThe method for locating the position comprises the following steps: if Vn-1＜Vn＜Vn+1Then V isnThe position is the position of the maximum average rotational speed of the rotor blade in X minutes.
The invention has the following beneficial effects:
according to the wind power generation device, the plurality of power generation assemblies are arranged on the supporting seat and face different directions, so that wind energy in different directions can be utilized, and the utilization rate of the wind energy is improved; in addition, the generator assembly is driven by the motor to rotate, and the position of the maximum rotating speed of the rotor blade can be found, so that the utilization efficiency of wind energy is further improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the combined power generation device;
FIG. 3 is a schematic structural view of a rotating assembly;
FIG. 4 is a schematic diagram of a control method of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-base, 2-wind pole, 3-combined power generation device, 4-support base, 41-slide rail, 5-motor, 6-rotating component, 61-annular body, 62-fixed disc, 63-connecting rod, 64-vertical plate, 65-slide bar, 66-slide block, 67-spring, 7-connecting rod, 8-slide base, 9-support column, 10-reinforcing rod, 11-generator cabin body, 12-rotor blade, 13-rotation speed sensor, 14-controller, 15-analysis module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
Referring to fig. 1-3, the invention relates to a combined wind power generation device for improving the wind power utilization rate, which comprises a base 1, wherein a wind rod 2 is fixedly connected to the base 1, the upper end of the wind rod 2 is fixedly connected with a combined power generation device 3, the combined power generation device 3 comprises a supporting seat 4, the supporting seat 4 is fixedly connected to the upper end of the wind rod 2, an annular sliding rail 41 is arranged on the supporting seat 4, a plurality of power generation assemblies are slidably connected to the sliding rail 41, and the power generation assemblies are uniformly connected to the supporting seat 4; the power generation assembly comprises a sliding seat 8, the sliding seat 8 is connected to the sliding rail 41 in a sliding mode, a supporting column 9 is fixedly connected to the sliding seat 8, a generator room body 11 is fixedly connected to the upper end of the supporting column 9, and one end of the generator room body 11 is fixedly connected with a rotor blade 12; the center of the supporting seat 4 is fixedly connected with a motor 5, and a rotating shaft of the motor 5 is fixedly connected with a rotating component 6 which is used for driving the power generation component 8 to move along the sliding rail 41.
Preferably, a reinforcing rod 10 is arranged at the joint of the sliding seat 8 and the supporting column 9.
Preferably, a rotation speed sensor 13 is arranged on the nacelle body 11, the rotation speed sensor 13 is used for sensing the rotation speed of the rotor blade 12, an analysis module 15 is arranged in the nacelle body 11, and the analysis module 15 is used for calculating the average rotation speed of the rotor blade 12 within a certain time.
Preferably, a controller 14 is fixedly connected to the support base 4, and the rotation speed sensor 13, the analysis module 15 and the motor 5 are electrically connected to the controller 14.
Preferably, the rotating assembly 6 includes an annular body 61, a fixing plate 62 is disposed at the center of the annular body 61, the fixing plate 62 is fixedly connected to the rotating shaft of the motor 5, and the fixing plate 62 is fixedly connected to the inner wall of the annular body 61 through a plurality of connecting rods 63.
Preferably, the outer surface of the annular body 61 is fixedly connected with a vertical plate 64 in a C shape corresponding to the power generation assembly one by one, a vertical slide rod 65 is fixedly connected in the vertical plate 64, a pair of slide blocks 66 are connected on the slide rod 65 in a sliding manner, a connecting rod 7 is hinged on the slide blocks 66, and one end of the connecting rod 7 is hinged on the supporting column 9.
Preferably, a spring 67 is arranged between the two sliding blocks 66, and the spring 67 is connected to the surface of the sliding rod 65, so that the damping effect of the power generation assembly is improved.
Referring to fig. 4, a control method of a combined wind power generation apparatus for improving wind power utilization includes the following steps:
the first step,The airflow drives the rotor blade 12 to rotate, the rotating speed sensor 13 senses the rotating speed of the rotor blade 12 and sends data to the analysis module 15, and the analysis module 15 calculates the average rotating speed V of the rotor blade 12 in X minutesnWherein V isnIs the sum of the average rotational speeds of all rotor blades 12.
Step two, the controller 14 controls the motor 5 to drive the power generation assembly to move for m degrees along the annular track 41, the rotating speed sensor 13 senses the rotating speed of the rotor blade 12 and sends data to the analysis module 15, and the analysis module 15 calculates the average rotating speed of the rotor blade 12 within X minutes to be Vn+1；
Step three, if Vn+1＞VnRepeating the second step until the maximum average speed V of the rotor blade 12 within X minutes is foundnAt the position, the motor 5 drives the generator component to move to VnThe location of the location; if Vn+1＜VnThe motor 5 drives the generator assembly to move m distances in the opposite direction until the maximum average rotational speed V of the rotor blade 12 within X minutes is foundnAt the position, the motor 5 drives the generator component to move to VnThe location of the location.
Preferably, the value of m is 30-45 °, in order to prevent the data from being affected by unstable wind speed, the power generation assembly stays for X minutes after rotating once, the value of X is 2-5 minutes, wherein both the values of m and X can be notified to the controller 14, and in actual use, the values can be set to 45 ° and 3 minutes respectively.
Preferably, the maximum average rotating speed V of the rotor blade in X minutes is found in the third stepnThe method for locating the position comprises the following steps: if Vn-1＜Vn＜Vn+1Then V isnThe position is the position of the maximum average rotational speed of the rotor blade in X minutes.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides an improve wind-force utilization rate's combination wind power generation set, includes base (1), fixedly connected with wind pole (2) on base (1), wind pole (2) upper end fixedly connected with combination power generation set (3), its characterized in that:
the combined power generation device (3) comprises a supporting seat (4), the supporting seat (4) is fixedly connected to the upper end of the wind rod (2), an annular sliding rail (41) is arranged on the supporting group (4), and a plurality of power generation assemblies are connected onto the sliding rail (41) in a sliding manner; the power generation assembly comprises a sliding seat (8), the sliding seat (8) is connected to the sliding rail (41) in a sliding mode, a supporting column (9) is fixedly connected to the sliding seat (8), a generator room body (11) is fixedly connected to the upper end of the supporting column (9), and one end of the generator room body (11) is fixedly connected with a rotor blade (12);
the supporting seat (4) is fixedly connected with a motor (5) at the center, and a rotating component (6) used for driving the power generation component (8) to move along the sliding rail (41) is fixedly connected with the rotating shaft of the motor (5).
2. The combined wind power generation device for improving wind power utilization according to claim 1, wherein a reinforcing rod (10) is arranged at the joint of the sliding base (8) and the supporting column (9).
3. The combined wind power generation device for improving wind power utilization according to claim 1 or 2, characterized in that a rotation speed sensor (13) is arranged on the generator room body (11), and an analysis module (15) is arranged in the generator room body (11), wherein the analysis module (15) is used for calculating the average rotation speed of the rotor blades (12).
4. The combined wind power generation device for improving the wind power utilization rate according to claim 3, wherein a controller (14) is fixedly connected to the supporting base (4), and the rotation speed sensor (13), the analysis module (15) and the motor (5) are electrically connected to the controller (14).
5. The combined wind power generation device for improving the wind power utilization rate according to claim 1 or 4, wherein the rotating assembly (6) comprises an annular body (61), a fixed disc (62) is arranged at the center of the annular body (61), the fixed disc (62) is fixedly connected with the rotating shaft of the motor (5), and the fixed disc (62) is fixedly connected with the inner wall of the annular body (61) through a plurality of connecting rods (63).
6. The combined wind power generation device for improving the wind power utilization rate according to claim 5, wherein a vertical plate (64) in a C shape corresponding to the power generation components in a one-to-one correspondence is fixedly connected to the outer surface of the annular body (61), a vertical sliding rod (65) is fixedly connected to the inner side of the vertical plate (64), a pair of sliding blocks (66) are slidably connected to the sliding rods (65), a connecting rod (7) is hinged to the sliding blocks (66), and one end of the connecting rod (7) is hinged to the supporting column (9).
7. The combined wind power generation device for improving wind power utilization rate according to claim 6, wherein a spring (67) is arranged between the two sliding blocks (66), and the spring (67) is connected to the surface of the sliding rod (65).
8. A control method of a combined wind power generation device for improving the wind power utilization rate is characterized by comprising the following steps:
the method comprises the steps that firstly, airflow drives a rotor blade to rotate, a rotating speed sensor senses the rotating speed of the rotor blade and sends data to an analysis module, and the analysis module calculates the average rotating speed of the rotor blade within X minutes to be VnWherein V isnIs the sum of the average rotational speeds of all rotor blades.
Step two, the controller controls the motor to drive the power generation assembly to move for m degrees along the annular track, the rotating speed sensor senses the rotating speed of the rotor blade and sends data to the analysis module, and the analysis module calculates the average rotating speed of the rotor blade within X minutes to be Vn+1；
Step three, if Vn+1＞VnRepeating the second step until the maximum average rotating speed V of the rotor blade within X minutes is foundnAt the position, the motor drives the generator component to move to VnThe location of the location; if Vn+1＜VnThen the motor drives the generator component to move for m distances in the opposite direction until the maximum average rotating speed V of the rotor blade within X minutes is found outnAt the position, the motor drives the generator component to move to VnThe location of the location.
9. The method of claim 8, wherein m is 30-45 ° and X is 2-5 minutes.
10. The method as claimed in claim 8, wherein the maximum average speed V of the rotor blades in X minutes is found in step threenThe method for locating the position comprises the following steps: if Vn-1＜Vn＜Vn+1Then V isnThe position is the position of the maximum average rotational speed of the rotor blade in X minutes.
CN202110568467.6A 2021-05-25 2021-05-25 Combined wind power generation device for improving wind power utilization rate and control method Withdrawn CN113217289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110568467.6A CN113217289A (en) 2021-05-25 2021-05-25 Combined wind power generation device for improving wind power utilization rate and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110568467.6A CN113217289A (en) 2021-05-25 2021-05-25 Combined wind power generation device for improving wind power utilization rate and control method

Publications (1)

Publication Number Publication Date
CN113217289A true CN113217289A (en) 2021-08-06

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CN202110568467.6A Withdrawn CN113217289A (en) 2021-05-25 2021-05-25 Combined wind power generation device for improving wind power utilization rate and control method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114687945A (en) * 2022-03-11 2022-07-01 广西大学 Composite power generation device and power generation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114687945A (en) * 2022-03-11 2022-07-01 广西大学 Composite power generation device and power generation system

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