CN101915212A - Automatic speed-adjusted modularized wind power generation system - Google Patents

Automatic speed-adjusted modularized wind power generation system Download PDF

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Publication number
CN101915212A
CN101915212A CN 201010240307 CN201010240307A CN101915212A CN 101915212 A CN101915212 A CN 101915212A CN 201010240307 CN201010240307 CN 201010240307 CN 201010240307 A CN201010240307 A CN 201010240307A CN 101915212 A CN101915212 A CN 101915212A
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China
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wind
energy conversion
conversion system
wind energy
automatic speed
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CN 201010240307
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CN101915212B (en
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尹建国
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Priority to CN 201010240307 priority Critical patent/CN101915212B/en
Publication of CN101915212A publication Critical patent/CN101915212A/en
Priority to PCT/CN2011/077713 priority patent/WO2012013151A1/en
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Publication of CN101915212B publication Critical patent/CN101915212B/en
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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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D43/00—Automatic clutches
    • F16D43/02—Automatic clutches actuated entirely mechanically
    • F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
    • F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
    • F16D43/18—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members with friction clutching members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/40—Use of a multiplicity of similar components
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Abstract

The invention relates to an automatic speed-adjusted modularized wind power generation system. The system comprises wind machine modules, a wind driven wind generator and an electrically controlled input and output part, wherein the number of the wind machine modules is at least two and a wind machine module connector is connected between every two wind machine modules; an upper eccentric connector is arranged at the upper end of the wind machine module connector; the upper end of the upper eccentric connector is connected with the wind machine modules, while the lower end is connected with a driving shaft; the lower end of the driving shaft is connected with a driven shaft through a clutch; and one end of the driven shaft is connected with the wind machine modules through a lower eccentric connector. The stable and efficient running of a generator and the efficient utilization of a natural wind source under the condition of unstable natural wind are guaranteed. The system has the characteristics of greatly reducing wind and electricity operating cost, along with simple structure, high safety, easy installation and wide practicability, greatly increases the effective utilization rate of the wind energy source and is easy to popularize and apply.

Description

A kind of automatic speed-adjusted modularized wind power generation system
Technical field
The present invention relates to a kind of automatic speed-adjusted modularized wind power generation system.
Background technique
The wind energy conversion system that existing wind-force is sent out in the wind-powered electricity generation machine system is monolithic construction, therefore, in the overall construction design of wind-driven generator with install must be according to the wind regime data of exploration on the Structure Designing Problem of wind energy conversion system especially, take into full account wind loading rating, off-load and the brake of wind-driven generator when hurricane and let out the safety issue of wind apparatus etc., therefore make the whole wind machine power generation system very heavy, construction cost is high.Because the wind sweeping area of wind energy conversion system is fixing when design, want off-load or brake generation outage to avoid wind energy conversion system and device damage when wind regime is too big simultaneously, drive generator for electricity generation and when gentle breeze, can't start the wind energy conversion system rotation; Wind-driven generator can not send specified electric energy again when hanging down wind regime, and therefore this tradition and extremely passive wind generator set design make people extremely low to the utilization ratio of wind energy.
Therefore, because technical problem such as blower fan structure causes people to utilize extremely passive of wind regime or says the suitable harshness of the requirement of wind regime, make people make slow progress to the utilization of wind energy and the development of wind generating cause, the wind regime utilization ratio is low, the cost of wind-powered electricity generation is high, and wind power technology is used and be can not get promoting effectively.
There is following deficiency in existing wind generating technology:
(1) the wind sweeping area stationarity of wind energy conversion system design makes wind energy conversion system can't guarantee the generator stable and high effective operation under natural wind regime and to the efficient utilization of natural wind regime;
(2) for the reliable operation that guarantees wind power equipment and when resisting hurricane to the destructiveness of blower fan, not only to the wind resistance of the structure of wind energy conversion system, wind resistance measure, the method for operation, pylon mechanism etc., all must strengthen the design of safety amount of redundancy when hurricane, strengthen the investment operation cost widely;
(3) utilization to natural wind regime is a kind of and the utilization of passive type, so the utilization ratio of wind regime is low, the wind power cost height, and the application of green wind electric energy is difficult to promote.
Summary of the invention
Its purpose of the present invention just is to provide a kind of automatic speed-adjusted modularized wind power generation system, have installation simple in structure, safe, easy, practicability is wide, the characteristics that the wind-powered electricity generation operation cost is declined to a great extent, and improved widely wind energy resources effective rate of utilization and be easy to apply.
The technological scheme that realizes above-mentioned purpose and take, comprise that wind energy conversion system module, wind-force sends out wind-powered electricity generation machine and electrical control and output, at least two of described wind energy conversion system modules, connect the wind energy conversion system modular connector between each wind energy conversion system module, described wind energy conversion system modular connector upper end is provided with eccentric connector, go up eccentric connection upper end and connect the wind energy conversion system module, go up eccentric connector lower end and connect initiative drive shaft, the initiative drive shaft lower end connects driven transmission shaft through clutch, and transmission shaft one end is through down eccentric connector connection wind energy conversion system module.
The present invention compared with prior art has the following advantages:
Owing to adopted the modular construction design that connects the wind energy conversion system modular connector at least between two wind energy conversion system modules and each the wind energy conversion system module, by the Combination Design of a plurality of modularization wind energy conversion systems and organic cooperation of automatic speed regulation connector unit, utilize the control of clutch realization to the wind energy conversion system wind sweeping area, realize the automatic adjustment that the wind energy conversion system module is added and subtracted automatically with the wind regime changing condition, make people reach utilization substantially to effective utilization of wind resource, changed the traditional design thinking of wind energy conversion system, make the structure of wind energy conversion system more simple and practical, and improved the effective rate of utilization of wind energy resources widely, making the wind-powered electricity generation operation cost decline to a great extent and be easier to applies.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is this apparatus structure principle schematic;
Fig. 2 is wind energy conversion system modular connector structural principle schematic representation in this device;
Fig. 3 is an A-A sectional view among Fig. 2.
Embodiment
Comprise wind energy conversion system module 10, wind-force is sent out wind-powered electricity generation machine 15 and electrical control and output 16, as shown in Figure 1,10 at least two of described wind energy conversion system modules, connect wind energy conversion system modular connector 12 between each wind energy conversion system module 10, described wind energy conversion system modular connector 12 upper ends are provided with eccentric connector 210, go up eccentric connector 210 upper ends and connect wind energy conversion system module 10, go up eccentric connector 210 lower ends and connect initiative drive shaft 310, initiative drive shaft 310 lower ends connect driven transmission shaft 313 through clutch 415, and transmission shaft 313 1 ends connect wind energy conversion system module 10 through down eccentric connector 220.
Described clutch 415 is located in the automatic speed-limiting control chamber 510, as shown in Figure 2, described clutch 415 upper ends are provided with clutch controller 416, initiative drive shaft 310 upper ends are provided with centrifugal speed limiter 413, and described initiative drive shaft 310 and driven transmission shaft 313 1 ends are provided with initiative drive shaft positioning bearing 311 and driven transmission shaft positioning bearing 312.
Described clutch 415 can be centrifugal clutch, comprises flying piece 1, rotor 2 and Returnning spring 3, as shown in Figure 3.
The wind energy conversion system modular connector 12 that connects between described each wind energy conversion system module 10 connects for modularization.
Described eccentric connector 210 and following eccentric connector 220 can connect wind energy conversion system module 10 and be horizontal or vertical configuration or arc shape for flexibly connecting.
Described automatic speed-limiting control chamber 510 can be done support and connection.
One end connects wind energy conversion system module 10 through down eccentric connector 220.
The wind energy conversion system combining unit that this device is made up of a plurality of wind energy conversion system modules, with the wind-power generating system that wind-power electricity generation is formed, this system comprises: the connection of a plurality of wind energy conversion system modules (at least two) by wind energy conversion system modular connector (at least one) is to form a complete wind energy conversion system combining unit; This wind energy conversion system modular connector unit has connection, automatic speed regulation and lets out functions such as wind automatically.Wind energy conversion system modular connector unit is used for correspondence control and adjusts wind energy conversion system module participation generating or the automatic control that acts on and let out wind, with the rotating speed of correspondence control wind-driven generator.Promptly the control mechanism in the wind energy conversion system modular connector is connected to each other each wind energy conversion system module to form a whole when wind regime is very little, make the wind energy conversion system module in the system all participate in generator operation, this moment, the wind sweeping area of wind energy conversion system reached maximum value, made the wind energy conversion system also can normal power generation in gentle breeze; Along with the increase gradually of wind regime, because of the control action of wind energy conversion system modular connector, make the wind energy conversion system module break away from gradually to change over to automatically and let out the wind state, and the number that is used for the generator operation module reduces gradually, the wind sweeping area of wind energy conversion system descends gradually; And when wind regime diminishes gradually, otherwise be operated in the wind energy conversion system module of letting out the operation of wind state and change generator operation again automatically over to, owing in time increased the wind sweeping area of wind energy conversion system, the wind energy conversion system rotating speed is stablized, the rotating speed of wind-driven generator is also relatively stable, so that guarantee that generator can both normally move generating under big or small wind regime state, the output of generator kept relative stability.Thereby improved the effective rate of utilization of wind energy resources widely.
This device can connect wind energy conversion system module 10 and be arc shape, and does support and connection with automatic speed-limiting control chamber 510, can use in culvert.
The working principle of modular wind powered generator system
As shown in Figure 1, vertical shaft module wind transmission power machine power generating system comprises in the present embodiment: wind energy conversion system module 10 and wind energy conversion system modular connector 12 are connected to form the wind energy conversion system unit, form a wind energy conversion system module combinations unit group by a plurality of wind energy conversion system modular unit combination backs (two or more at least), drive one of wind-driven generator 15 formation and can adjust the quantity that wind energy conversion system module 10 participates in generator operations automatically according to the size of wind energy turbine set nature wind regime and the power demand of wind-driven generator, realize the wind sweeping area of increase and decrease wind energy conversion system automatically, make the wind-force function under natural wind regime situation, guarantee to obtain more stable wind energy resources and promote the wind-driven generator rotation, wind-driven generator is run well generate electricity, form a complete wind powered generator system by electrical control and output again.
In the present embodiment, wind energy conversion system combining unit group in the wind powered generator system is in order to guarantee the normal operation generating of wind-driven generator, in its wind energy conversion system combining unit group, have at least two or more wind energy conversion system modular units (according to the concrete condition of the power of wind-driven generator, wind energy turbine set wind regime and to the requirement of wind energy conversion system wind sweeping area size, the quantity of wind energy conversion system module in the decision wind energy conversion system combining unit group) to participate in the wind turbine power generation operation.Each wind energy conversion system modular connector 12 is used for the conversion control of corresponding wind energy conversion system module working state, to guarantee the normal power generation running of wind-driven generator 15.When wind regime is very little, control mechanism in the wind energy conversion system modular connector 12 connects (back detailed description), and the wind energy conversion system module in the system makes whole wind energy conversion system modules participate in the generating running, this moment, the wind sweeping area of wind energy conversion system reached maximum value, made the wind energy conversion system generating that also can run well in gentle breeze; Increase gradually along with wind regime, because of the control action of wind energy conversion system modular connector makes the wind energy conversion system module break away from the wind-powered electricity generation running from top to bottom gradually, let out the running of wind state and change over to automatically, the wind energy conversion system modular unit number that is used in the generating running reduces gradually, the wind sweeping area of wind energy conversion system descends gradually, make wind energy conversion system also can speed stabilizing in strong wind running, make the wind-driven generator still can normal power generation, this just can save off-load and braking device; And when wind regime diminishes gradually, otherwise because the control and the regulating action of wind energy conversion system modular connector 12, make at the wind energy conversion system modular unit of letting out the operation of wind state and change the generating state operation again automatically over to, because the wind energy conversion system wind sweeping area reduces and automatically increases with wind regime, so that guaranteed under the less situation of wind regime, make wind-driven generator can both obtain the wind energy powered wind-driven generator normal operation generating of relatively stable ground, thereby improved the effective rate of utilization of wind energy resources widely.The action principle of wind energy conversion system modular connector 12
Wind energy conversion system modular connector as shown in Figure 2, present embodiment comprises: go up eccentric connector 210, automatic speed-limiting control chamber 510 and down 220 3 parts of eccentric connector form wind energy conversion system modular connector 12.
Going up eccentric connector 210 is the connector of an approximate gimbal structure, divide upper and lower two-part, its top is connected with last layer wind energy conversion system module transmission shaft, its underpart one end is the connector interlock on connector and top, the other end is an axle, with driven transmission shaft 310 disjunctors in the automatic speed-limiting control chamber 510, (automatic speed-limiting control chamber 510 has a detailed description in addition).Eccentric connector 220 is the same with the structure of last eccentric connector 210 down, but the upper and lower end direction is opposite, is convenient to be connected with following one deck wind energy conversion system module.
Present embodiment, automatic speed-limiting control chamber 510,1, correspondingly interconnects each wind energy conversion system module when the specific operation by the present invention, and with the wind energy power that obtains to the generating of wind-driven generator conduction pushing generator.2, pass through the adjusting control action of automatic speed-limiting control chamber 510, load condition according to wind-driven generator under different wind regime automatically adjusts to the module working state in the wind energy conversion system module combinations unit group, the wind sweeping area that changes wind energy conversion system allows the wind-driven generator rotation send electric energy to making wind-driven generator obtain stable wind energy power.3, automatic speed-limiting control chamber 510 also plays the effect that installs and fixes that the wind energy conversion system module is provided.Axial deviation when 4, the meaning of eccentric connector is to eliminate N wind energy conversion system module stack installation makes the manufacture, installation, maintenance of wind energy conversion system all become simpler.
The action principle of automatic speed-limiting control chamber 510
The automatic speed-limiting control chamber 510 as shown in Figure 2, present embodiment comprises: parts such as initiative drive shaft 310, initiative drive shaft positioning bearing 311, centrifugal speed limiter 413, clutch 415, clutch controller 416, driven transmission positioning bearing 312, driven transmission shaft 313 are installed in the automatic speed-limiting control chamber 510 jointly, and initiative drive shaft 310 and driven transmission shaft 313 extend with eccentric connector up and down to automatic speed-limiting control chamber two ends respectively and link to each other.
In the present embodiment, main drive shaft positioning device 311 and driven transmission shaft positioning device 312 are location and the rotations that guarantee initiative drive shaft 310 and the vertical concentricity of driven transmission shaft 313; Centrifugal speed limiter 413 is installed on the initiative drive shaft 310, plays the effect of speed limit when letting out the wind state; Clutch 415 minutes is two-part up and down, are installed in the top that initiative drive shaft 310 and driven transmission shaft 313 join respectively and are used for transferring power; In the driven clutch part in clutch bottom clutch controller 416 is housed and makes system usefulness with transmission and adjustment generator maximum speed etc.
The groundwork principle of this device automatic speed-limiting control chamber 510 (existing is example with the centrifugal clutch): automatic speed-limiting control chamber 510 is the adjusting control section assemblies in the wind energy conversion system modular connector 12, he passes to initiative drive shaft 310 by last eccentric connector 210 with the wind energy rotating power of upper strata wind energy conversion system module, again by the clutch 415 that is installed in initiative drive shaft 310 and driven transmission shaft 313 tops (clutch 415 about (sheet) partly, be installed in the top of initiative drive shaft 310 and driven transmission shaft 313 diaxons respectively, by clutch 415 the wind energy rotating power is conducted to driven transmission shaft 313, driven transmission shaft 313 conducts the wind energy rotating power again to following eccentric connector 220, following eccentric connector 220 rotating power of upper strata wind energy conversion system module the most at last conducts on following wind energy conversion system module or the wind-driven generator rotating power of the generator that breezes up.
When the rotational speed of wind-driven generator surpasses rated speed, under action of centrifugal force, make the splay apart of clutch plate up and down of the superiors' wind energy conversion system module clutch 415 earlier, upper strata wind energy conversion system module after the separation enters lets out the wind working state, and the wind sweeping area of wind energy conversion system reduces; When continuing to surpass rated speed as the rotational speed of wind-driven generator, the process that the wind energy conversion system module of following one deck continues to repeat last layer wind energy conversion system module enters lets out the wind working state, this process proceeds to the wind-driven generator operation gradually and enters the rated speed state, form realization part wind energy conversion system module and let out wind automatically, part wind energy conversion system module participates in generating, thereby the wind sweeping area of wind energy conversion system reduces to reach the purpose of wind-driven generator stabilized (steady-state) speed automatically.And be operated in the wind energy conversion system module of letting out the wind state because of wind regime when excessive the wind energy conversion system module under the restriction of centrifugal speed limiter 413, be operated in certain speed range and be unlikely to driving.
Weakening when wind regime reduces owing to wind energy, the rotational speed of wind-driven generator descends, centrifugal force also weakens thereupon and flies piece 1 spring reset that is reset, make clutch 415 interlock under the effect of clutch controller 416, entered the operation of generator operation state immediately by the former wind energy conversion system module of letting out the wind state that operates in of the orlop of interlock, therefore increase the number of modules of generator operation wind energy conversion system automatically, strengthened the wind sweeping area of wind energy conversion system; So according to the situation of wind regime with under the effect of clutch controller 416, the wind energy conversion system module all adds the generator operation state gradually by letting out the wind state, and the wind energy power that wind-driven generator is obtained increases gradually, makes wind-driven generator continue the stabilized (steady-state) speed generating.
Because the effects such as adjusting of automatic speed-limiting control chamber, can make the size of wind energy conversion system module according to wind regime and wind-power electricity generation acc power, make wind energy conversion system modular unit in the wind energy conversion system combining unit group insert and withdraw from effective operation quantity of generator operation state automatically, so make the wind energy conversion system module reach automatic adjustment wind energy conversion system wind sweeping area purpose, thereby arrive the rotating speed of adjusting and control wind-driven generator automatically, make wind-driven generator be operated in good operation working state, thereby utilized wind resource to send stable electric energy fully.So make green energy resource obtain to utilize fully.

Claims (6)

1. automatic speed-adjusted modularized wind power generation system, comprise wind energy conversion system module (10), wind-force is sent out wind-powered electricity generation machine (15) and electrical control and output (16), it is characterized in that, (10) at least two of described wind energy conversion system modules, connect wind energy conversion system modular connector (12) between each wind energy conversion system module (10), described wind energy conversion system modular connector (12) upper end is provided with eccentric connector (210), go up eccentric connector (210) upper end and connect wind energy conversion system module (10), go up eccentric connector (210) lower end and connect initiative drive shaft (310), initiative drive shaft (310) lower end connects driven transmission shaft (313) through clutch (415), and transmission shaft (313) one ends warp eccentric connector (220) down connects wind energy conversion system module (10).
2. a kind of automatic speed-adjusted modularized wind power generation system according to claim 1, it is characterized in that, described clutch (415) is located in the automatic speed-limiting control chamber (510), described clutch (415) upper end is provided with clutch controller (416), initiative drive shaft (310) upper end is provided with centrifugal speed limiter (413), and described initiative drive shaft (310) and driven transmission shaft (313) one ends are provided with initiative drive shaft positioning device (311) and driven transmission shaft positioning device (312).
3. a kind of automatic speed-adjusted modularized wind power generation system according to claim 1 is characterized in that, described clutch (415) can be centrifugal clutch, comprises flying piece (1), rotor (2) and Returnning spring (3).
4. a kind of automatic speed-adjusted modularized wind power generation system according to claim 1 is characterized in that, the wind energy conversion system modular connector (12) that connects between described each wind energy conversion system module (10) connects for modularization.
5. a kind of automatic speed-adjusted modularized wind power generation system according to claim 1, it is characterized in that, described eccentric connector (210) and following eccentric connector (220) can connect wind energy conversion system module (10) and be horizontal or vertical configuration or arc shape for flexibly connecting.
6. a kind of automatic speed-adjusted modularized wind power generation system according to claim 1 is characterized in that, described automatic speed-limiting control chamber (510) can be done support and connection.
CN 201010240307 2010-07-29 2010-07-29 Automatic speed-adjusted modularized wind power generation system Expired - Fee Related CN101915212B (en)

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CN 201010240307 CN101915212B (en) 2010-07-29 2010-07-29 Automatic speed-adjusted modularized wind power generation system
PCT/CN2011/077713 WO2012013151A1 (en) 2010-07-29 2011-07-28 Modularized wind power generation system with automatic speed regulation

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CN102135070A (en) * 2011-03-01 2011-07-27 国能风力发电有限公司 Modularized vertical axis wind turbine and modular design method thereof
WO2012013151A1 (en) * 2010-07-29 2012-02-02 Yin Jianguo Modularized wind power generation system with automatic speed regulation
CN105756861A (en) * 2016-04-21 2016-07-13 吉林大学 Low-wind-velocity bootable electromagnetic-piezoelectric composite type wind driven generator
CN110767049A (en) * 2019-10-25 2020-02-07 王唯 Vertical axis aerogenerator model for physics experiments
CN112922776A (en) * 2021-02-03 2021-06-08 南京信威岩土工程勘察设计有限公司 Energy-saving and environment-friendly wind driven generator capable of preventing generator from being damaged by overload

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WO2012013151A1 (en) * 2010-07-29 2012-02-02 Yin Jianguo Modularized wind power generation system with automatic speed regulation
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