CN100392237C - Wind turbine generator - Google Patents

Wind turbine generator Download PDF

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Publication number
CN100392237C
CN100392237C CNB2004800114793A CN200480011479A CN100392237C CN 100392237 C CN100392237 C CN 100392237C CN B2004800114793 A CNB2004800114793 A CN B2004800114793A CN 200480011479 A CN200480011479 A CN 200480011479A CN 100392237 C CN100392237 C CN 100392237C
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CN
China
Prior art keywords
windmill
wind
generating unit
fan
centrifugal impeller
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.)
Expired - Fee Related
Application number
CNB2004800114793A
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Chinese (zh)
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CN1780981A (en
Inventor
小方弘成
松本一则
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Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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Publication date
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Publication of CN1780981A publication Critical patent/CN1780981A/en
Application granted granted Critical
Publication of CN100392237C publication Critical patent/CN100392237C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D3/00Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/21Rotors for wind turbines
    • F05B2240/211Rotors for wind turbines with vertical axis
    • F05B2240/213Rotors for wind turbines with vertical axis of the Savonius type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/20Rotors
    • F05B2240/21Rotors for wind turbines
    • F05B2240/211Rotors for wind turbines with vertical axis
    • F05B2240/215Rotors for wind turbines with vertical axis of the panemone or "vehicle ventilator" type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/10Purpose of the control system
    • F05B2270/101Purpose of the control system to control rotational speed (n)
    • F05B2270/1011Purpose of the control system to control rotational speed (n) to prevent overspeed
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/74Wind turbines with rotation axis perpendicular to the 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)
  • Wind Motors (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

The invention provides a wind power generation device, which can prevent the over-speed rotation of a windmill which is generated by the increase of natural wind based on the rotation power of the windmill through a load which is generated by a fan. The construction of the wind power generation device is that a fan is formed in the following way in windmill which can capture natural wind to rotate, and in the wind power generation device of an accumulator which can transform the rotation energy into electric energy and store, namely that the fan is provided with a centrifugal impeller which is coaxially arranged with the rotation shaft of the windmill, and a cover which can lead the centrifugal impeller not capture natural wind.

Description

Wind generating unit
Technical field
The present invention relates to a kind of wind generating unit that utilizes natural energy resources.More specifically, the protective gear that relates to the windmill when running into high wind.
Background technique
In the past, the protective gear of relevant this windmill when running into high wind etc., the blast that known with good grounds windmill bears changes the variable spacing formula wind generating unit of the spacing of rotor blade.And, the blast that also with good grounds windmill bears and shake variation from the side displacement mode wind generating unit of the suspended pattern constant spacing mode of the windmill of pivot suspention, generator etc.One in this mode is, utilizes direction plate and the output that is installed on this direction plate to adjust spring, so that no matter how wind speed makes it only apply roughly certain wind-force mode to windmill, according to blast displacement windmill rotating speed.And when running into storm wind, the direction of apparent wind is met wind towards down the wind being indexed to the side, is located at the position of resistance minimum, and thus windmill is protected.Be disclosed in as above-mentioned mode, for example the spy opens clear 58-128471 communique.On the other hand, before the propeller cavitation of screw shaft, be provided with in the brake disc mode of brake disc, brake by the crimping of brake disc being produced friction when the high wind.Above-mentioned mode for example is disclosed in, and the spy opens in the clear 56-77573 communique.
In above-mentioned wind generating unit in the past, the wind speed of natural wind is strong, for example under the situation of the wind speed 60m/s during entablement wind, since high wind, the windmill high speed rotating.Thus, the intensity of the blade of windmill is carried out mechanical vibration and pulsation repeatedly under situation at a high speed, and produces the material deterioration or the be full of cracks of blade.And it is final if surpass the problem that the breakdown point of the internal stress of material has the breakage that brings blade.One implement a lot of countermeasures for this reason always, when high wind, change the variable spacing formula of the speed of rotor blade as can be known.But this mode needs numerous attendant equipments such as rotation transfer mechanism.And though also have hanging type constant spacing mode, this mode also has rotation transfer mechanism, spring mechanism, needs numerous attendant equipments.And, in the brake disc mode, needing spring mechanism, this mode is owing to carry out stop by frictional force, and the new problem of the breakage etc. of friction part is arranged.And, also have and start electromagnetic brake and make its braking so that the mode of rotor blade not.
In above-mentioned mode in the past, there are complex structure, installation cost price height and need the problem of many operations such as the needs of periodic maintenance etc. owing to have complicated structure in order to ensure function thus.And, starting under the situation that electromagnetic brake brakes,, the certainty problem that waits of stopping that can not continuing windmill is arranged if when there is fault in storage battery.
Summary of the invention
So the present invention has solved above-mentioned problem in the past, purpose provides a kind of simple, reliable and low price, and the protective gear of the windmill of repair cycle cycle length.
Wind generating unit of the present invention, possesses the natural wind of seizure and windmill that rotates and the storage battery that its rotational energy is transformed into electric energy and stores, wherein, possess the centrifugal impeller that the rotating shaft coaxle with windmill is provided with, centrifugal impeller forms the fan with the cover that prevents to catch natural wind.
Description of drawings
Fig. 1 is the stereogram of whole summary of the wind generating unit of one embodiment of the invention.
Fig. 2 is the stereogram of fan component part of the wind generating unit of one embodiment of the invention.
Fig. 3 A is the plan view of the wind generating unit of one embodiment of the invention.
Fig. 3 B is the sectional view of multiple wing type impeller part in front of the wind generating unit of one embodiment of the invention.
Fig. 3 C is the partial cross section figure of windmill in front of the wind generating unit of one embodiment of the invention.
Fig. 4 is the figure of property list of the rotating speed of the natural wind of wind generating unit of expression one embodiment of the invention and windmill and fan.
Fig. 5 is the whole summary stereogram of propeller type fan windmill of the wind generating unit of one embodiment of the invention.
Fig. 6 is the figure of cooling segment of bearing means of the wind generating unit of expression one embodiment of the invention.
Fig. 7 is the figure of component part of tongue of the wind generating unit of expression one embodiment of the invention.
Fig. 8 is the whole plan view on heat extraction ventilation road of the wind generating unit of one embodiment of the invention.
Embodiment
Below, be illustrated with reference to plan about embodiments of the invention.
Embodiment to the street lamp device that utilizes wind generating unit of the present invention is illustrated according to plan.
Fig. 1 is the stereogram of whole summary of the wind generating unit of one embodiment of the invention.Fig. 2 is the stereogram of fan component part of the wind generating unit of one embodiment of the invention.Fig. 3 A is the plan view of the wind generating unit of one embodiment of the invention.Fig. 3 B is the sectional view of multiple wing type impeller part in front of the wind generating unit of one embodiment of the invention.Fig. 3 C is the partial cross section figure of windmill in front of the wind generating unit of one embodiment of the invention.Fig. 4 is the figure of property list of the rotating speed of the natural wind of wind generating unit of expression one embodiment of the invention and windmill and fan.Fig. 5 is the whole summary stereogram of propeller type fan windmill of the wind generating unit of one embodiment of the invention.Fig. 6 is the figure of cooling segment of bearing means of the wind generating unit of expression one embodiment of the invention.Fig. 7 is the figure of component part of tongue of the wind generating unit of expression one embodiment of the invention.Fig. 8 is the whole plan view on heat extraction ventilation road of the wind generating unit of one embodiment of the invention.
(embodiment 1)
The integral body formation of the wind generating unit of present embodiment possesses: windmill 1; Prevent the fan 20 of the too fast rotation of windmill 1; The rotational energy of windmill is transformed into the electricity generating device 30 of electric energy; Storage is by the electric accumulator 40 of the electric power of electricity generating device generation; With the lighting set 50 that uses electric power storage to turn on light at the electric power of electric accumulator.And windmill 1, fan 20, electricity generating device 30, electric accumulator 40 and lighting set 50 are according to putting into 2 modes between the post 2 from remaining on specified altitude separately on the ground.And post 2 is arranged on the ground by mounting platform 3.Fixed block by anchoring bolt etc. is provided with this mounting platform 3.
Fan guard 21 is to be formed by top board 22, side plate 23 and base plate 24.Fan 20 is by following formation: suction port 10, the suction chamber 11 that has between suction port 10 and top board 22, hole 12, multiple wing type impeller 4, tongue 13 and the fan exhaust port 14 of end that is configured in the post 2 of hollow.And multiple wing type impeller 4 is coaxial with the upper end of the running shaft 7 of windmill 1 and be connected.In addition, multiple wing type impeller 4 is only as an example of centrifugal impeller, and centrifugal impeller is not to be defined in multiple wing type impeller 4.And, have cover (casing) according to the mode of not catching natural wind and form fan as the multiple wing type impeller 4 of centrifugal impeller.And the identical direction of sense of rotation of rotating towards bearing wind with windmill 1 is provided with the direction of bearing wind of the blade of multiple wing type impeller 4, the lower end of windmill 1 be arranged on electricity generating device 30 in generator 5 rotating shaft coaxle and be connected with it.Windmill 1 is by following formation: the running shaft 7 that connects generators 5 by joint 6; With a plurality of air vanes 8 on every side that are arranged on this running shaft 7.Upper and lower at running shaft 7 is provided with bearing 9 respectively.By bearing 9 maintenance running shafts 7 separately, bearing 9 is separately positioned on the inside of fan 20 and the inside of electricity generating device 30.
In the bottom of electricity generating device 30 lighting set 50 is installed, is equipped with illumination unit 15 in inside.
In the inside of electric accumulator 40, be provided with Direct box 16 and lead storage battery 17, by illuminance transducer can light a lamp automatically, lamp disappears.And electric accumulator 40 has been equipped with the inspection door 18 in order to keep in repair.
Electricity generating device 30 and lighting set 50 are electrically connected with electric accumulator 40 by Direct box 16.The electric power electric power storage that rotational energy by windmill 1 produces is supplied with the electric power of electric power storages at this electric accumulator to lighting set 50 in electric accumulator 40, illumination unit 15 is lit a lamp.
Fig. 4 represents, in the present embodiment, and during monomer operation windmill 1, during monomer operation fan 20 and the characteristic separately when a running body windmill 1 and fan 20.In Fig. 4, the property list of the rotating speed of expression nature wind speed and windmill and fan.Curve 101 is roadabilitys of windmill 1 monomer, and is roughly proportional and increase the rotating speed of windmill 1 with the increase of natural wind speed.And curve 102 is part throttle characteristics of fan 20 monomers, the rotating speed of the increase fan 20 of corresponding natural wind speed and 2 powers of natural wind speed are proportional and increase.At this, the curve 103 of the kinetic characteristic when fan 20 is installed in windmill 1 is the roadability that deducts curve 102 from curve 101, the running state that expression is actual.And, the situation of the wind speed 60m/s about as the situation of the common wind speed 15m/s of the CLV ceiling limit value of wind speed and typhoon the time, below to the too fast rotation of windmill 1 prevent be illustrated.
In addition, the CLV ceiling limit value of common wind speed is made as 15m/s, the rated wind speed of wind generating unit is set in 15m/s, this is the generation power when not storing the wind speed that surpasses above-mentioned setting in electric accumulator 40, thereby CLV ceiling limit value is made as 15m/s.At this, shown in curve 103, the monomer of windmill 1 operation in limited time is about 1000r/min on the common wind speed of 15m/s, is about 800r/min when fan 20 is installed.Can draw thus, the rotating speed inhibiting rate that is reduced that the rotating speed of the windmill 1 behind the fan 20 is set is 20%.Relative therewith, the operation of the monomer of windmill 1 is about 4400r/min during wind speed 60m/s when typhoon, is about 2150r/min when fan 20 is installed.So, increase thereby the rotating speed inhibiting rate becomes 51% rotating speed inhibiting rate.Though this is owing to the characteristic of windmill 1 and wind speed is proportional and increase rotating speed, the characteristic of fan 20 is to increase rotating speed with 2 powers with respect to the increase of wind speed.As a result of, when coaxial connection windmill 1 and fan 20, reduce inhibition, suppress the rotation of windmill 1 in high wind speed range the rotation of windmill 1 in the low wind speed range of fan 20.Thus, thus natural wind speed suppresses the rotating speed of windmill 1 greatly when becoming high wind prevent too fast rotation.
Below, other the embodiment to wind generating unit of the present invention is illustrated according to plan.In addition, when the formation that has with the same function of the foregoing description, the mark prosign also omits explanation.And about in following embodiment, there not being illustrated other formation to have the formation same with the foregoing description.
In addition, electric accumulator 40 also can utilize capacitor except that lead storage battery.
(embodiment 2)
Fig. 5 is the whole summary stereogram of propeller type fan windmill of the wind generating unit of second embodiment of the invention.
As shown in Figure 5, the wind generating unit usage level axle windmill of present embodiment, and possess the multiple wing type impeller 4 coaxial with the running shaft 7 of windmill 1.Running shaft 7 is connected on the generator 5 by joint 6.And multiple wing type impeller 4 is arranged on the inside of fan 20, and has by multiple wing type impeller 4 and take out from suction port 10 inhaled airs and to the structure of fan exhaust port 14 exhausts.
Same with embodiment shown in Figure 1, when windmill 1 bears high wind in this enforcement, thereby the multiple wing type impeller of coaxial rotation 4 manufacturing resistances can prevent too fast rotation.
(embodiment 3)
And Fig. 6 is the figure of cooling segment of bearing means of the wind generating unit of expression third embodiment of the invention.
As shown in Figure 6, be the structure that bearing 9 is set in the ventilation road in the fan 20 on the top that is provided in wind generating unit.
In this structure, will be made as the ventilation road in 2 posts 2, the air that stores in suction chamber 11 is discharged to the outside by multiple wing type impeller 4 by hole 12.
Thus, thus discharge air-flow and bump and can prevent that on bearing 9 temperature from rising.
(embodiment 4)
And Fig. 7 is the figure of component part of tongue of the wind generating unit of expression fourth embodiment of the invention.
As shown in Figure 7, the tongue of installing in the fan 20 on the top of being located at above-mentioned wind generating unit 13 has following variable configuration: as tongue, become the state that does not have the position of function 13B during common wind speed below 15m/s; And when surpassing the high wind of 15m/s, become the state of position 13A.
In this constituted, by rotation multiple wing type impeller 4, the air in centrifugal direction is drawn out fan 20 was discharged outside device from fan exhaust port 14 via tongue 13.
By variable this tongue 13, can carry out adjustment to the fan duty of fan 20, can be decreased to the load of wind speed range arbitrarily, can suppress minimizing by the generating of fan 20 generations.
Thus, as the multiple wing type impeller 4 of centrifugal impeller and the gap of tongue 13, being formed in the generating wind speed range of windmill is not become the tongue shape if enter into the generating wind speed range then forms the tongue shape in cover tongue formation mechanism.
(embodiment 5)
And Fig. 8 is the whole plan view on heat extraction ventilation road of the wind generating unit of fifth embodiment of the invention.
As shown in Figure 8, formation is identical with embodiment 1 embodiment shown in Figure 1.
In the above-described configuration, the heat that is produced by generator 5, illumination unit 15, Direct box 16, lead storage battery 17 is made as the ventilation road with the inside of 2 posts 2, and the fan 20 on the top by being arranged on wind generating unit is to the outer discharge of device.
Thus, the heat that the inside at wind generating unit can be produced is discharged outside the room, can prevent that the device temperature inside that becomes high temperature from rising.
By above explanation, the present invention constitutes a kind of wind generating unit, possesses the natural wind of seizure and windmill that rotates and the storage battery that its rotational energy is transformed into electric energy and stores, this wind generating unit possesses with the rotating shaft coaxle of described windmill the centrifugal impeller that is provided with, and described centrifugal impeller forms has the fan that is used to prevent catch the cover of natural wind.Thus, based on the rotatory force of above-mentioned windmill load, prevent too fast rotation along with the above-mentioned windmill of the increase of natural wind by producing by said fans.
And by above-mentioned explanation, the present invention has centrifugal impeller, tongue, cover and can change the formation of the shape of tongue by having as fan, can change fan duty and also can regulate the load that is applied on the windmill.
And, by above-mentioned explanation, the present invention represents to have following formation: have tongue in the gap of described centrifugal impeller and described tongue and form mechanism, this tongue forms mechanism, do not become the tongue shape reach the generating wind speed range of windmill at wind speed till, if enter into the generating wind speed range then in cover, become the tongue shape.Thus, use tongue can regulate fan duty by windmill, so that under the natural wind conditions of the electric power that can effectively utilize generating, alleviate the load of fan, and at the next load that increases the weight of fan of situation of in addition natural wind speed.
And by above-mentioned explanation, the present invention represents to have following formation: the position in the inside that is positioned at described cover, and near the ventilation road the exhaust port of described centrifugal impeller, dispose the bearing of described windmill, and described bearing is by the discharge air-flow cooling of described fan.Thus, also rise, so in the air-breathing air channel of bearing setting and dual-purpose fan owing to improve the temperature of the rotating speed rear bearing of fan.
And by above-mentioned explanation, the present invention represents to have following formation: bear natural wind and the direction of rotating with respect to described windmill, the sense of rotation of described centrifugal impeller is that the mode with the direction blade face forward of described centrifugal impeller disposes.Thus, the sense of rotation of also having represented the blade by regulating windmill and fan makes the contrary mode of loading that do not produce.
And in above-mentioned wind generating unit, the present invention also can be made of the material of centrifugal impeller aluminium.
And, in wind generating unit of the present invention, also centrifugal impeller can be made as multiple wing type impeller and constitute.
And, wind generating unit of the present invention possesses heaters such as described storage battery, inverter (inverter), generator and control apparatus and keeps the attachment post of described windmill and described heater, described attachment post is hollow structure and forms the ventilation road that is communicated with described heater, described ventilation road is connected the suction port of described fan, and with heat that described heater sent from described fan exhaust.Thus, exhaust from heater produce hot the time, the fan that can never catch natural wind carries out exhaust, so that the influence outside the room that is not subjected to that rainwater enters etc.
But the impeller of windmill 1 of the present invention also can be other forms except that savonius or propeller cavitation, and so long as can rotate by natural wind, then is not limited to the shape of blade.
In addition, can constitute the material of centrifugal impeller by aluminium.
And in the above description, to being illustrated as the device about a kind of protection of blade of the windmill when bearing natural wind, but the present invention also goes for the device by current or other fluid rotation.
By above explanation as can be known,, when the high wind of typhoon etc., be used in the simple structureization of automatically braking, do not need complicated attendant equipment for the protection of windmill by the braking force of fan according to the present invention.And, according to the present invention, make installation cost at a low price by simple structure, the periodic maintenance number of times in order to ensure the braking function is reduced, and the protective gear of long windmill of repair cycle cycle can be provided.
And, utilize the fan duty of fan, be connected with the hollow structure of supporting post, also have the effect of the heating that discharge sends from storage battery, generator, inverter, control apparatus etc.
The present invention is simple, reliable and at a low price, and the wind generating unit of the protective gear with long windmill of repair cycle cycle is provided.The protection of the protection of the blade of the windmill when the present invention also goes for bearing natural wind, the device by current or other fluid rotation.

Claims (7)

1. wind generating unit,
Possess the natural wind of seizure and windmill that rotates and the storage battery that its rotational energy is transformed into electric energy and stores,
This wind generating unit possesses the centrifugal impeller that is provided with the rotating shaft coaxle of described windmill,
Described centrifugal impeller forms the fan with cover, and this cover is used to prevent to catch natural wind,
The sense of rotation of described centrifugal impeller bears natural wind with described windmill and the direction of rotating is identical.
2. wind generating unit according to claim 1, wherein, described fan has described centrifugal impeller, tongue and cover.
3. wind generating unit according to claim 2, it has tongue and forms mechanism, this tongue forms mechanism, gap at described centrifugal impeller and described tongue, before reaching the generating wind speed range of windmill, wind speed do not become the tongue shape, if enter into the generating wind speed range then in cover, become the tongue shape.
4. wind generating unit according to claim 1, wherein,
Position in the inside that is positioned at described cover, and near the ventilation road the exhaust port of described centrifugal impeller dispose the bearing of described windmill,
Described bearing is by the discharge air-flow cooling of described fan.
5. wind generating unit according to claim 1, wherein, the material of described centrifugal impeller is an aluminium.
6. according to any described wind generating unit of claim 1 to the claim 5, wherein, described centrifugal impeller is a multiple wing type impeller.
7. wind generating unit according to claim 1,
The attachment post that it possesses heaters such as described storage battery, inverter, generator and control apparatus and keeps described windmill and described heater,
Described fan possesses the suction port of the end that is positioned at described attachment post, and possesses the suction chamber that has between described suction port and top board,
Described attachment post is hollow structure and the ventilation road that form to be communicated with described heater, and described ventilation road is connected the described suction port of described suction chamber, and with heat that described heater sent from described fan exhaust.
CNB2004800114793A 2003-12-26 2004-12-27 Wind turbine generator Expired - Fee Related CN100392237C (en)

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JP2003433140A JP4085977B2 (en) 2003-12-26 2003-12-26 Wind power generator
JP433140/2003 2003-12-26

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CN100392237C true CN100392237C (en) 2008-06-04

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WO (1) WO2005064153A1 (en)

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DE102005029478A1 (en) * 2005-06-24 2006-12-28 Alexander Faller Sen. Wind power plant, has propeller turbine with rotor blades rotatably fixed at center, where rotor blades have shaft with wind collecting groove, and width of gap formed between inner flanks of groove is variable
KR101388403B1 (en) * 2013-02-22 2014-04-23 이주용 A typhoon decrease apparatus installed support
CN103277249B (en) * 2013-06-03 2015-11-25 张效思 A kind ofly cause the wind-driven generator that wind and natural wind drive combined blade altogether
JP6919876B2 (en) * 2017-01-04 2021-08-18 グエン チー カンパニー リミテッド Centrifugal fluid machinery and air conditioners

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JP2003293928A (en) * 2002-03-29 2003-10-15 Daiwa House Ind Co Ltd Savonius windmill

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