CN206722990U - Cooling system and wind power generating set for wind power generating set - Google Patents

Cooling system and wind power generating set for wind power generating set Download PDF

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Publication number
CN206722990U
CN206722990U CN201720506144.3U CN201720506144U CN206722990U CN 206722990 U CN206722990 U CN 206722990U CN 201720506144 U CN201720506144 U CN 201720506144U CN 206722990 U CN206722990 U CN 206722990U
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China
Prior art keywords
wheel hub
cooling system
deflector
air inlet
wind power
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CN201720506144.3U
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Chinese (zh)
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马磊
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Beijing Goldwind Science and Creation Windpower Equipment Co Ltd
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Priority to CN201720506144.3U priority Critical patent/CN206722990U/en
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    • 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

Abstract

The utility model provides a kind of cooling system and wind power generating set for wind power generating set, and the wind power generating set includes engine room cover, kuppe and wheel hub, the front end of the wheel hub formed with wheel hub entrance, wherein, the cooling system includes:Air inlet, the air inlet are formed in the front end of the kuppe;Air outlet, the air outlet are formed on the kuppe and/or the engine room cover;Deflector, the deflector are arranged between the air inlet and the wheel hub entrance, separate preset distance along the axial direction of the wheel hub and the wheel hub entrance, and block the front side of the wheel hub entrance.According to the cooling system for wind power generating set of embodiment of the present utility model, change the direction of the air entered via air inlet in kuppe by deflector, low-pressure area is formed in wheel hub inlet ambient, and then the high temperature air in wheel hub is discharged into wheel hub, so as to realize the radiating to wheel hub.

Description

Cooling system and wind power generating set for wind power generating set
Technical field
Technical field of wind power generation is the utility model is related to, specifically, is related to a kind of dissipating for wind power generating set Hot systems and the wind power generating set using the cooling system.
Background technology
Wind power generating set is that wind energy is converted to the device of electric energy.Wind energy is more next as a kind of clean reproducible energy More paid close attention to.Offshore wind farm project is to promote wind generating technology progress and industrial upgrading and promotion Energy restructuring Important measure.China's offshore wind energy resource enriches, and accelerates the construction of offshore wind farm project, for promoting coastal area to administer air Haze, readjust the energy structure it is significant with Economic Development Mode Conversion.
However, the wind power generating set applied to sea needs to run in the environment of moisture weight, thermal extremes or low temperature. In such a case, it is extremely difficult maintenance to be carried out to wind power generating set, it is therefore desirable to ensures that wind power generating set is reliable Stably run.The position of the wheel hub of wind power generating set is of a relatively high, when wind power generating set is in the higher summer fortune of temperature During row, wind power generating set is irradiated by sunlight, and the temperature in wheel hub can continue to raise.The too high not only shadow of temperature in wheel hub The performance of electronic component in wheel hub is rung, and wind power generating set can also report the too high failure of wheel hub temperature frequently, cause wind-power electricity generation Compressor emergency shutdown, thus reduce the availability and generated energy of wind power generating set.
Therefore, it is necessary to be radiated to the wheel hub of wind power generating set, so that wind power generating set is adapted to hot operation Environment, improve the environmental suitability of wind power generating set.However, the wheel hub of wind power generating set does not dissipate targetedly at present Hot systems are radiated only with fan.However, if installation fan, then need to carry out perforate to wheel hub, due to wheel hub For rotational structure, therefore perforate may influence the structural stability of wheel hub.In addition, operation maintenance personnel or commissioning staff are debugged Or if fan is arranged on wheel hub porch, operation maintenance personnel or tune can be also influenceed, it is necessary to enter wheel hub from wheel hub entrance during maintenance The entrance of examination personnel.Furthermore, it would be desirable to periodically be safeguarded to fan, the O&M cost of wind power generating set is added.
Utility model content
Therefore, the purpose of this utility model is to provide a kind of cooling system for wind power generating set, with solution never The problem of effectively being radiated to the wheel hub of wind power generating set.
According to one side of the present utility model, there is provided a kind of cooling system for wind power generating set, the wind-force hair Group of motors may include engine room cover, kuppe and wheel hub, the front end of the wheel hub formed with wheel hub entrance, wherein, it is described radiating system System may include:Air inlet, the air inlet are formed in the front end of the kuppe;Air outlet, the air outlet are formed described On kuppe and/or the engine room cover;Deflector, the deflector are arranged between the air inlet and the wheel hub entrance, Preset distance is separated along the axial direction of the wheel hub and the wheel hub entrance, and blocks the front side of the wheel hub entrance.
Preferably, the air outlet may include the first air outlet and the second air outlet, and first air outlet may be formed at Between the root of the kuppe and the blade of wind power generating set, second air outlet may be formed at the kuppe and institute State the junction of engine room cover.
Preferably, the deflector can be arc surface shape and be protruded towards the air inlet, the edge of the deflector Tangent line can be substantially tangent with the edge of the wheel hub entrance.
Preferably, the deflector can be connected to the kuppe and/or the wheel hub by connector.
Preferably, the cooling system for wind power generating set may also include air inlet baffle plate, the air inlet gear Plate is arranged between the air inlet and the deflector, for opening or closing the air inlet.
Preferably, the cooling system for wind power generating set may also include:Support bar, the first of the support bar End is movably coupled to the deflector, and the second end of the support bar is connected to the air inlet baffle plate;Motor, institute Motor is stated on the deflector, for driving axial movement of the support bar along the wheel hub.
Preferably, the cooling system for wind power generating set may also include:Chute, the chute are arranged on described On deflector, the first end of the support bar is movably mounted in the chute;Wherein, the motor and support bar Between connected in a manner of leading screw, the rotary motion of motor is converted to the linear motion of support bar.
Preferably, elastic member can be installed, the elastic component can be to the first end of the support bar in the chute Apply elastic force.
Preferably, the outside of the support bar may be provided with radial direction locating part, and the radial direction locating part can be fixedly attached to The motor.
According to another aspect of the present utility model, there is provided a kind of wind power generating set, the wind power generating set have such as Upper described cooling system.
According to the cooling system for wind power generating set of embodiment of the present utility model, by deflector change via The direction for the air that air inlet is entered in kuppe, low-pressure area is formed in wheel hub inlet ambient, and then by the high temperature in wheel hub Air discharges wheel hub, and so as to realize the radiating to wheel hub, while deflector and air inlet baffle plate is axially arranged, can effectively hide Keep off the rain water and extraneous air, prevents extraneous air or rainwater from flowing directly into wheel hub and in motor, and then influences to become oar system System operation.
In addition, according to the cooling system for wind power generating set of embodiment of the present utility model, as desired by Air inlet baffle plate opens or closes air inlet, and is changed by air inlet baffle plate and deflector and enter water conservancy diversion via air inlet The direction of air in cover, therefore the radiating efficiency of wheel hub can be improved.
In addition, according to the cooling system for wind power generating set of embodiment of the present utility model, structure is relatively easy, It is easily installed.In addition, according to the cooling system for wind power generating set of embodiment of the present utility model, wind-force hair can be reduced The O&M cost of group of motors and reduction O&M time.
Brief description of the drawings
By the description carried out below in conjunction with the accompanying drawings to embodiment, above and other purpose and feature of the present utility model will It can become more fully apparent, in the accompanying drawings:
Fig. 1 is the signal for showing the cooling system for wind power generating set according to one embodiment of the present utility model Figure.
Fig. 2 is the top view for the deflector for showing the cooling system in Fig. 1.
Fig. 3 and Fig. 4 is to show the cooling system for wind power generating set according to one embodiment of the present utility model Air-flow direction schematic diagram.
Fig. 5 is to show showing according to the cooling system for wind power generating set of another embodiment of the present utility model It is intended to.
Fig. 6 is the partial enlarged drawing of Fig. 5 part B.
Fig. 7 is the sky for showing the cooling system for wind power generating set according to another embodiment of the present utility model The schematic diagram in flow of air direction.
Fig. 8 is the partial enlarged drawing of Fig. 7 C portion, wherein, in order to be shown more clearly that air-flow direction adds arrow The quantity of head.
Drawing reference numeral explanation:
110:Wheel hub;110a:Wheel hub entrance;120:Kuppe;120a:Air inlet;120b:First air outlet;120c:The Two air outlets;130:Blade;140:Engine room cover;150:Deflector;151:Connector;160:Air inlet baffle plate;170:Support bar; 170a:Radial direction locating part;171:Chute;171a:Elastic component;180:Motor;181:Electric machine support;190:Pitch drive Motor.
Embodiment
The technical solution of the utility model mainly utilizes Bernoulli equation and aerodynamic principle, to wind power generating set Wheel hub radiated.
The expression formula of Bernoulli equation is:
Wherein, p is the pressure in fluid;ρ is fluid density;V is the speed of fluid;C is constant.
From Bernoulli equation as can be seen that when gas or liquid flow, speed is higher, and its pressure is with regard to smaller, i.e. gas stream When crossing body surface, low-pressure area can be formed in body surface.
Being described in detail next, with reference to accompanying drawing according to embodiment of the present utility model, its example is shown in the drawings, its In, identical label represents identical component all the time.
Fig. 1 is the signal for showing the cooling system for wind power generating set according to one embodiment of the present utility model Figure.Fig. 2 is the top view for the deflector for showing the cooling system in Fig. 1.
As shown in figure 1, wind power generating set may include wheel hub 110, the kuppe 120 for being arranged on the outside of wheel hub 110, installation The parts such as blade 130, engine room cover 140, pylon (not shown) on wheel hub 110.Kuppe 120 is the outer cover of wheel hub 110, Pneumatic effect, protection wheel hub 110 are played in wind power generating set and for operation maintenance personnel disengaging wheel hub 110.The inside of wheel hub 110 For hollow-core construction, for installing variable blade control system, such as pitch control cabinet, pitch motor.The front end of wheel hub 110 can be formed with Wheel hub entrance 110a, the entrance of wheel hub 110 is entered as operation maintenance personnel or commissioning staff.
Air inlet may include according to the cooling system for wind power generating set of one embodiment of the present utility model 120a, air outlet and deflector 150.Air inlet 120a may be formed at the front end of the kuppe 120 of wind power generating set.Deflector 150 are installed on kuppe 120 at air inlet 120a inner side preset distance.
The front end of kuppe 120 of the prior art is typically provided with water conservancy diversion cover opening, and the water conservancy diversion cover opening is generally by baffle plate Block.In this case, the existing water conservancy diversion cover opening can be used as air inlet 120a, without in addition on kuppe 120 Open up air inlet.
Air outlet may be formed in kuppe 120 and/or engine room cover 140, but not limited to this.In order to avoid in kuppe 120 and/or engine room cover 140 on open up air outlet so as to reduce the manufacturing cost of wind power generating set, air outlet can be water conservancy diversion Existing gap on cover and/or in engine room cover with ft connection.For example, in the present embodiment, air outlet may include the first air-out Mouth 120b and/or the second air outlet 120c.First air outlet 120b may be formed between the root of kuppe 120 and blade 130, Specifically, because blade 130 is through the blade mounting hole (not shown) of kuppe 120 and on wheel hub 110, therefore blade Space is formed between 130 and blade mounting hole, the space can be used as the first air outlet 120b.Second air outlet 120c may be formed at Kuppe 120 and the junction of engine room cover 140, specifically, because kuppe 120 is with the rotation of wheel hub 110 and relative to machine Hatch cover 140 rotates, therefore kuppe 120 and the junction of engine room cover 140 are also formed with space, and the space can be used as the second air-out Mouth 120c.
Deflector 150 can be connected to kuppe 120 by connector 151.Deflector 150 can be located at air inlet 120a and wheel Between hub entrance 110a, and preset distance is separated along the axial direction of wheel hub 110 and wheel hub entrance 110a.Deflector 150 can block Wheel hub entrance 110a front side, to prevent extraneous air or rainwater etc. to be fed directly in wheel hub 110, while wind is prevented to be blown into wheel Hub 110.In the case where existing kuppe has water conservancy diversion cover opening and blocks the baffle plate of the water conservancy diversion cover opening, original can be removed The installation screw of existing baffle plate can be used directly in some baffle plates, deflector 150, is pacified by three or more connectors 151 It is attached on kuppe 120, without transforming kuppe 120.
In the present embodiment, referring to Figures 1 and 2, deflector 150 can be arc surface shape and structure, and its lateral surface is convex Face and medial surface are concave surface.Deflector 150 can block wheel hub entrance 110a front side, and the tangent line at the edge of deflector 150 Can be substantially tangent with wheel hub entrance 110a edge.Due to deflector 150 be in towards air inlet 120a protrude circular arc planar, because , when air flow to deflector 150 from air inlet 120a, the direction of air is changed for this, and then air is along deflector 150 Outer surface continue to flow, finally by between the root of blade 130 and kuppe 120 the first air outlet 120b arrange Go out.
In addition, deflector 150 and connector 151 are alternatively arranged as operation maintenance personnel or commissioning staff enters the auxiliary of wheel hub 110 Part, and in order to prevent operation maintenance personnel or commissioning staff from being scratched by deflector 150, the outward flange of deflector 150 may be provided with anti- Guard ring (not shown).
Although deflector 150 is shown in Fig. 1 and Fig. 2 in circular arc planar and is connected to water conservancy diversion by three connectors 151 Cover 120, but the quantity not limited to this of the shape of deflector 150, link position and connector 151, for example, deflector 150 is also Can trapezoidal, taper or other suitable shapes, as long as deflector 150 can change the direction of air and in wheel hub entrance Low-pressure area (being described in detail below) is formed around 110a, deflector 150 can also be connected to wheel hub by connector 151 110, or deflector 150 can also be connected to both kuppe 120 and wheel hub 110, and deflector by connector 151 150 can be attached using any amount of connector 151 as needed.
For the ease of understanding the cooling system for wind power generating set according to embodiment of the present utility model, below will Reference picture 3 and Fig. 4 describe the operation principle of the cooling system in detail, and the direction of arrow in Fig. 3 and Fig. 4 is the flowing of air Direction.
As shown in figure 3, air enters inside kuppe 120 from the air inlet 120a of the front end of kuppe 120, due to arc surface The presence of the deflector 150 of shape, in air flow to the surface of deflector 150 after, can be spread to surrounding.Sky after the change of direction Outer surface of the gas along deflector 150 is flowed through around wheel hub entrance 110a, continues to flow backward then along the outer surface of wheel hub 110 It is dynamic.Finally, root or kuppe 120 and the junction discharge kuppe 120 of engine room cover 140 through blade 130.
Due to the presence of deflector 150, when air-flow is blown on the arc surface of deflector 150, flow velocity increase, exerted according to uncle Sharp equation, gas or liquid flowing its higher pressure of speed per hour degree are smaller, and therefore, air-flow can form low around wheel hub entrance 110a Nip (the part A region in Fig. 3).Comparatively speaking, the pressure of the air in wheel hub 110 is higher, and air can flow from high-pressure area To area of low pressure, therefore the high temperature air in wheel hub 110 can be flowed at wheel hub entrance 110a, so as to from kuppe 120 The air that air inlet 120a is blown into flows out together, and then the high temperature air in wheel hub 110 can be discharged into wheel hub 110.When from air intake The air and the high temperature air of discharge continues to cabin side after the first air outlet 120b is flowed through out of wheel hub 110 that mouth 120a enters To during flowing, can also be flowed out by the second air outlet 120c.As air by air inlet 120a constantly flows into kuppe 120 simultaneously Flowed out by the first air outlet 120b and the second air outlet 120c, it is sustainable and effectively take away the high-temperature gas in wheel hub 110, And then reduce the temperature in wheel hub 110 with pitch control cabinet.
According to exemplary embodiment of the present utility model, because deflector 150 is circular arc face structure, it is possible to taking turns Hub entrance 110a surrounding (in 360 degree) forms low-pressure area, aspirates and takes away the high-temperature gas in wheel hub 110, it is possible to real Now more preferable radiating effect;Meanwhile the cooling system will not be influenceed by wind generating set yaw and wind direction, even if wind direction is not It is face kuppe front end, can also realizes above-mentioned radiating effect.
In addition, as shown in figure 4, for the wind power generating set with external gear electric variable propeller system, pitch drive motor 190 are generally arranged at the outside of wheel hub 110, therefore while being radiated to wheel hub 110, can also be to pitch drive motor 190 carry out complementary radiating.
Although the specific composition of the cooling system for wind power generating set, the composition of the cooling system are described above Not limited to this.Fig. 5 is to show the cooling system for wind power generating set according to another embodiment of the present utility model Schematic diagram.Fig. 6 is the partial enlarged drawing of Fig. 5 part B.
Reference picture 5 and Fig. 6, with the cooling system for wind power generating set according to a upper embodiment of the present utility model Unlike, air intake may also include according to the cooling system for wind power generating set of another embodiment of the present utility model Mouth baffle plate 160 and the component related to air inlet baffle plate 160.In order to avoid repeat, will omit with according to of the present utility model The description of the component identical component of the cooling system for wind power generating set of a upper embodiment.
In the present embodiment, the cooling system for wind power generating set may also include air inlet baffle plate 160, air inlet gear Plate 160 can be arranged between deflector 150 and air inlet 120a, and can be along the axial movement of wheel hub 110, with as needed And open or close air inlet 120a.
In order to be installed into air port baffle plate 160, there is provided support bar 170.The first end of support bar 170 can movingly pacify On the preceding surface of deflector 150, air inlet baffle plate 160 can be arranged on the second end of support bar 170.In order that air inlet Axial movement of the baffle plate 160 along wheel hub 110 is also provided with opening or closing the air inlet 120a to be formed on kuppe 120 For driving the motor 180 of axial movement of the support bar 170 along wheel hub 110.Motor 180 can be micromachine, And it can be controlled by pitch control cabinet.
As shown in fig. 6, in addition to support bar 170 and motor 180, the cooling system for wind power generating set is also It may include chute 171 and electric machine support 181.Chute 171 can be arranged on deflector 150, and the first end of support bar 170 is movable Ground is arranged in chute 171.Electric machine support 181 can be arranged on deflector 150, for supporting motor 180.In this feelings Under condition, the rotary shaft and support bar 170 of motor 180 are that leading screw is connected, for the rotary motion of motor 180 to be changed For the linear motion of support bar 170.With the rotation of the rotary shaft of motor 180, support bar 170 can be along the axle of wheel hub 110 Move forwards, backwards.In addition, in order to prevent support bar 170 from being come off during wheel hub 110 rotates, the outside of support bar 170 can It is provided with the radial direction locating part 170a of such as ring-shaped article.Radial direction locating part 170a can be fixedly attached to motor 180, so that branch Strut 170 only along wheel hub 110 axial movement and limit the radial motion of support bar 170, so as to prevent support bar 170 in wheel hub Come off during 110 rotations.In addition, for the resilience of support bar 170, be may be provided with chute 171 by flexible material Rubber parts, the elastic component 171a of spring etc. formed, to apply elastic force in the first end of support bar 170.
For the ease of understanding the cooling system for wind power generating set according to another embodiment of the present utility model, under Face describes reference picture 7 and Fig. 8 in detail the operation principle of the cooling system, and the direction of arrow in Fig. 7 and Fig. 8 is air Flow direction.
When wind turbine control system detects that temperature is higher than preset temperature value (such as 45 DEG C) and wind in wheel hub 110 When speed is less than default air speed value (such as 15 meter per seconds), pitch control device control motor 180 is run, and motor 180 drives Support bar 170 drives air inlet baffle plate 160 move to the direction of chute 171, and then opening air inlet 120a, band-type brake or stops afterwards Only.After air inlet 120a is opened, air enters inside kuppe 120 from the air inlet 120a of kuppe 120, works as air flow During to air inlet baffle plate 160, the direction of air is changed for the first time, when air continues to flow to deflector 150, the side of air To being changed and being flowed along the outer surface of deflector 150 for the second time, when flowing through around wheel hub entrance 110a, enter in wheel hub Low-pressure area is formed around mouth 110a, now the HTHP air in wheel hub 110 can be flowed out by wheel hub entrance 110a, and then High temperature air in wheel hub 110 can be discharged wheel hub 110, air continues to run to the first air outlet 120b and the second air outlet 120c and flow out kuppe 120.It is sustainable and effectively right as air by air inlet 120a constantly enters kuppe 120 Wheel hub 110 is radiated, and then reduces the temperature in wheel hub 110.
When wind turbine control system detects that temperature is less than preset temperature value in wheel hub 110, pitch control device Control motor 180 is run, and motor 180 drives support bar 170 to drive air inlet baffle plate 160 towards air inlet 120a side To motion, to close air inlet 120a, stop radiating to wheel hub 110.
In the present embodiment, air is after air inlet 120a enters kuppe 120, side of the air inlet baffle plate 160 to air To change for the first time has been carried out, it is more beneficial for making air blow in the cambered surface of deflector 150, ensures the realization of radiating effect.
According to the cooling system for wind power generating set of embodiment of the present utility model, by deflector change via The direction for the air that air inlet is entered in kuppe, low-pressure area is formed in wheel hub inlet ambient, and then by the high temperature in wheel hub Air discharges wheel hub, and so as to realize the radiating to wheel hub, while deflector and air inlet baffle plate is axially arranged, can effectively hide Keep off the rain water and extraneous air, prevents extraneous air or rainwater from flowing directly into wheel hub and in motor, and then influences to become oar system System operation.
In addition, according to the cooling system for wind power generating set of embodiment of the present utility model, as desired by Air inlet baffle plate opens or closes air inlet, and is changed by air inlet baffle plate and deflector and enter water conservancy diversion via air inlet The direction of air in cover, therefore the radiating efficiency of wheel hub can be improved.
In addition, according to the cooling system for wind power generating set of embodiment of the present utility model, structure is relatively easy, It is easily installed.In addition, according to the cooling system for wind power generating set of embodiment of the present utility model, wind-force hair can be reduced The O&M cost of group of motors and reduction O&M time.
In addition to the advantages described above, the utility model also has many advantages, such as follows:
Deflector can be circular arc face structure, can form low-pressure area in the surrounding of wheel hub entrance, scattered so as to increase Hot area, improves radiating efficiency;
Deflector is Flapper type structure and fixed using multiple connectors, can effectively protect the safety of operation maintenance personnel;
When needing to be installed into air port baffle plate, air inlet baffle plate is controlled by motor, and can only addition one For individual micromachine as motor, electronic device is few, can be achieved to exempt from O&M function;
The equipment such as fan need not be installed additional, reduce equipment cost, reduce manufacturing cost again, and fan etc. is scattered Hot charging is set to low loss component, compared with radiator fan, can reduce the cost of maintenance time and maintenance/maintenance/equipment replacement;
Deflector can be mounted directly on the mounting hole of existing kuppe, convenient and practical, in this case, due to Any transformation need not be done to kuppe and wheel hub, so the application cost of wind power generating set is low, the transformation cycle is short;
Radiating effect is not influenceed by wind direction, even if the wheel hub of wind-driven generator is not face wind direction, can also be realized described Radiating effect;
The open and close mode of air inlet baffle plate crimps mode using vertical with air inlet, reduces air inlet baffle plate and is taking turns Influenceed in hub rotary course by centripetal force, can effectively prevent from causing air inlet due to the effect of centripetal force when wheel hub from rotating The situation that baffle plate can not be opened or can not closed.
Although exemplary embodiment of the present utility model is described in detail above, those skilled in the art are not taking off From in spirit and scope of the present utility model, various modification and variation can be made to embodiment of the present utility model.But should Work as understanding, in the opinion of those skilled in the art, these modification and variation will fall into the utility model that claim is limited Exemplary embodiment spirit and scope in.

Claims (10)

1. a kind of cooling system for wind power generating set, the wind power generating set includes engine room cover (140), kuppe (120) and wheel hub (110), the front end of the wheel hub (110) is formed with wheel hub entrance (110a), it is characterised in that the radiating System includes:
Air inlet (120a), the air inlet (120a) are formed in the front end of the kuppe (120);
Air outlet, the air outlet are formed on the kuppe (120) and/or the engine room cover (140);
Deflector (150), the deflector (150) be arranged on the air inlet (120a) and the wheel hub entrance (110a) it Between, preset distance is separated along the axial direction of the wheel hub (110) and the wheel hub entrance (110a), and block the wheel hub entrance The front side of (110a).
2. cooling system as claimed in claim 1, it is characterised in that the air outlet include the first air outlet (120b) and/ Or second air outlet (120c), first air outlet (120b) are formed in the kuppe (120) and wind power generating set Between the root of blade (130), second air outlet (120c) is formed in the kuppe (120) and the engine room cover (140) junction.
3. cooling system as claimed in claim 1, it is characterised in that the deflector (150) is for circular arc planar and towards institute State air inlet (120a) protrusion, the edge of the tangent line at the edge of the deflector (150) substantially with the wheel hub entrance (110a) It is tangent.
4. cooling system as claimed in claim 1, it is characterised in that the deflector (150) is connected by connector (151) To the kuppe (120) and/or the wheel hub (110).
5. the cooling system as any one of Claims 1-4, it is characterised in that the cooling system also includes air intake Mouth baffle plate (160), the air inlet baffle plate (160) are arranged between the air inlet (120a) and the deflector (150), are used In opening or closing the air inlet (120a).
6. cooling system as claimed in claim 5, it is characterised in that the cooling system also includes:
Support bar (170), the first end of the support bar (170) are movably coupled to the deflector (150), the support Second end of bar (170) is connected to the air inlet baffle plate (160);
Motor (180), the motor (180) is arranged on the deflector (150), for driving the support bar (170) along the axial movement of the wheel hub (110).
7. cooling system as claimed in claim 6, it is characterised in that the cooling system also includes:
Chute (171), the chute (171) are arranged on the deflector (150), and the first end of the support bar (170) can Motion ground is arranged in the chute (171);
Wherein, it is connected between the motor (180) and the support bar (170) in a manner of leading screw, by the motor (180) rotary motion is converted to the linear motion of the support bar (170).
8. cooling system as claimed in claim 7, it is characterised in that installation elastic member in the chute (171) (171a), the elastic component (171a) apply elastic force to the first end of the support bar (170).
9. cooling system as claimed in claim 6, it is characterised in that the outside of the support bar (170), which is provided with, radially to be limited Position part (170a), the radial direction locating part (170a) are fixedly attached to the motor (180).
10. a kind of wind power generating set, there is the cooling system any one of claim 1 to 9.
CN201720506144.3U 2017-05-08 2017-05-08 Cooling system and wind power generating set for wind power generating set Active CN206722990U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180122A (en) * 2017-12-29 2018-06-19 太原重型机械集团工程技术研发有限公司 Cooling heating services Wind turbines certainly
CN108361158A (en) * 2018-01-30 2018-08-03 内蒙古久和能源装备有限公司 A kind of kuppe air inlet wing plate rain-proof dust-proof structure and wind power generating blade wheel assembly
WO2020211615A1 (en) * 2019-04-16 2020-10-22 浙江大学 Wind power generator unit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180122A (en) * 2017-12-29 2018-06-19 太原重型机械集团工程技术研发有限公司 Cooling heating services Wind turbines certainly
CN108361158A (en) * 2018-01-30 2018-08-03 内蒙古久和能源装备有限公司 A kind of kuppe air inlet wing plate rain-proof dust-proof structure and wind power generating blade wheel assembly
WO2020211615A1 (en) * 2019-04-16 2020-10-22 浙江大学 Wind power generator unit

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