CN105781900A - Wind turbine generator set and ventilation cooling system - Google Patents
Wind turbine generator set and ventilation cooling system Download PDFInfo
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- CN105781900A CN105781900A CN201410826590.3A CN201410826590A CN105781900A CN 105781900 A CN105781900 A CN 105781900A CN 201410826590 A CN201410826590 A CN 201410826590A CN 105781900 A CN105781900 A CN 105781900A
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- tower
- radiation system
- air inlet
- air outlet
- aeration radiation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a ventilation cooling system for a wind turbine generator set. The ventilation cooling system comprises a tower drum (3) which is provided with an air inlet (4) and an air outlet (1). The tower drum (3) is internally provided with a ventilation pipeline (2). The air inlet (4) is formed in the bottom of the tower drum (3). The air outlet (1) is formed in the top of the tower drum (3). The air inlet (4) communicates with the air outlet (1) through the ventilation pipeline (2). According to the ventilation cooling system, the ventilation cooling performance of the wind turbine generator set is effectively improved under the condition of natural air cooling. The invention further discloses the wind turbine generator set comprising the ventilation cooling system.
Description
Technical field
The present invention relates to wind-driven generator technical group field, particularly relate to the aeration radiation system of a kind of wind power generating set.Moreover, it relates to a kind of wind power generating set including above-mentioned aeration radiation system.
Background technology
Wind energy conversion system is the dynamic power machine that wind energy is converted to mechanical power, it is a kind of with the sun for thermal source, the heat energy utilization electromotor being working media with air, in the course of the work, wind power generating set produces amount of heat, operating ambient temperature is too high, affects wind energy conversion system normal operation, it is necessary to wind power generating set is aerated heat radiation.
In prior art, the cooling system great majority of wind power generating set are natural air cooled or air blast cooling, and natural air cooled radiating efficiency is relatively low, and wind energy conversion system service efficiency in the environment that temperature is higher has impact, and result of use reduces；Air blast cooling needs to install refrigerating plant or air exhausting device in wind power generating set, forces to discharge the heat in wind power generating set by air exhausting device, and air exhausting device price is higher, adds the cost of wind power generating set aeration radiation system；Air exhausting device installation difficulty, adds the technology difficulty of aeration radiation system；Air exhausting device needs to use the extra energy, wastes the energy；Cooling system integral heat sink is inefficient, and the service efficiency of wind energy conversion system is impacted.
In sum, how to be effectively improved wind power generating set ventilation and heat performance in natural air cooled situation, be current those skilled in the art's urgent problem.
Summary of the invention
It is an object of the invention to provide the aeration radiation system of a kind of wind power generating set, be effectively improved wind power generating set ventilation and heat performance in natural air cooled situation；It is a further object of the present invention to provide a kind of wind power generating set including above-mentioned aeration radiation system.
For solving above-mentioned technical problem, the present invention provides following technical scheme:
A kind of aeration radiation system of wind power generating set, including the tower with air inlet and air outlet, inside described tower, there is ventilation shaft, described air inlet is opened in the bottom of described tower, described air outlet is opened in the top of described tower, is connected by described ventilation shaft between described air inlet and air outlet.
Preferably, described tower is generally cylindrical, and described air inlet is opened in below described tower 1/3rd height, and described air outlet is opened in more than described tower 2/3rds height.
Preferably, described air inlet exceeds described tower bottom 1-2m, and the quantity of described air inlet is two, two symmetrical distributions of described air inlet.
Preferably, described air outlet is opened on the sidewall of described tower, and the quantity of described air outlet is one.
Preferably, described air outlet is opened in the lower wind direction place of described tower.
Preferably, described ventilation shaft flows through between the electrical equipment bottom described tower.
Preferably, described air inlet is connected with described ventilation shaft by pipeline, the described pipeline normal temperature layer through underground or through under water or the water route of ocean.
Preferably, described air inlet is provided with the first baffle plate of opening and closing, and described first baffle plate is hinged with the inwall of described ventilation shaft by the first bearing pin；
Described air outlet place is provided with the second baffle of opening and closing, and described second baffle is hinged with the outer wall of described ventilation shaft by the second bearing pin.
Preferably, described first baffle plate and second baffle place are equipped with defecator；
The opening and closing of described first baffle plate and second baffle control by power equipment or hydraulic test；
Described first baffle plate and second baffle are all detachable.
The present invention also provides for a kind of wind power generating set, and including wind-driven generator and aeration radiation system that described wind generator heat radiation is lowered the temperature, described aeration radiation system is specially the aeration radiation system described in any of the above-described item.
The aeration radiation system of wind power generating set provided by the present invention, including tower, tower has air inlet and air outlet, and it is cavity inside tower, for ventilation shaft, air inlet is opened in the bottom of tower, and air outlet is opened in the top of tower, is connected by ventilation shaft between air inlet and air outlet.The place that wind speed is high, the static pressure of wind is little, suction can be produced, here it is stack effect, this aeration radiation system make use of stack effect exactly, and the height of wind generating set engine room is higher, and its top wind speed is higher, and the wind speed of wind power generating set ground location is substantially zeroed, the half that subaerial wind speed generally also can only achieve wind power generating set top wind speed is even lower.This aeration radiation system is not when using air blast cooling, it is possible to by the air extraction bottom wind power generating set to top, by increasing the flow ventilated, and then improves the radiating efficiency of wind power generating set, and support equipment well runs.The structure of this aeration radiation system is relatively simple, and on the basis of original wind power generating set, change amount is less, it is not necessary to set up air exhausting device, less costly.Simultaneously, the height of natural energy resources and wind power generating set and the difference in height of air inlet and air outlet is utilized to be aerated cooling, the cooling requirements of wind power generating set can be reduced about 10 degree, build in high temperature area, cannot meet and the equipment of cooling system requirement is modified so that it is disclosure satisfy that cooling requirements.
The present invention also provides for a kind of wind power generating set, and including wind-driven generator and aeration radiation system that described wind generator heat radiation is lowered the temperature, this aeration radiation system is specially any of the above-described kind of aeration radiation system.Owing to above-mentioned aeration radiation system has above-mentioned technique effect, the wind power generating set with this aeration radiation system also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The aeration radiation system structural representation of the wind power generating set that Fig. 1 provides for detailed description of the invention a kind of in the present invention；
Fig. 2 is the structural representation of air inlet the first baffle plate in Fig. 1；
Fig. 3 is the structural representation of air outlet place second baffle in Fig. 1；
Fig. 4 is the structural representation of air inlet and ventilation shaft connected mode in Fig. 1.
In accompanying drawing, labelling is as follows:
1-air outlet, 2-ventilation shaft, 3-tower, 4-air inlet, 5-the first baffle plate, 6-second baffle, 7-normal temperature layer.
Detailed description of the invention
The core of the present invention is to provide the aeration radiation system of a kind of wind power generating set, is effectively improved wind power generating set ventilation and heat performance in natural air cooled situation；Another core of the present invention is to provide a kind of wind power generating set including above-mentioned aeration radiation system.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to the aeration radiation system structural representation of the wind power generating set that Fig. 1 to Fig. 4, Fig. 1 provide for detailed description of the invention a kind of in the present invention；Fig. 2 is the structural representation of air inlet the first baffle plate in Fig. 1；Fig. 3 is the structural representation of air outlet place second baffle in Fig. 1；Fig. 4 is the structural representation of air inlet and ventilation shaft connected mode in Fig. 1.
In a kind of detailed description of the invention; aeration radiation system provided by the present invention, the aeration radiation system of wind power generating set provided by the present invention, including tower 3; the height of tower 3 is higher; up to 70m, tower 3 has air inlet 4 and air outlet 1, and tower 3 inside is cavity; for ventilation shaft 2; the wall thickness of tower 3 does not do further requirement, on the basis meeting air-conditioning requirement, all in protection scope of the present invention.Air inlet 4 is opened in the bottom of tower 3, and air outlet 1 is opened in the top of tower 3, is connected by ventilation shaft 2 between air inlet 4 and air outlet 1.It should be noted that here and following described bottom refer to top or the bottom of locus, specifically, with 1/2nd of tower 3 total height for demarcation line, more than demarcation line be referred to as top, demarcation line is hereinafter referred to as bottom.The place that wind speed is high, the static pressure of wind is little, suction can be produced, here it is stack effect, the degree that the intensity of stack effect circulates with the height of chimney, indoor and outdoor temperature gap and indoor-outdoor air is relevant, stack effect is hot pressing and the coefficient result of outside wind pressure of indoor/outdoor temperature-difference formation, generally based on the former, and poor to the atmospheric density that indoor/outdoor temperature-difference produces and inlet and outlet 1 the difference in height of hot pressing value is directly proportional, this explanation, indoor temperature is more above outdoor temperature, and chimney is more high, and stack effect is also more obvious.This aeration radiation system make use of stack effect exactly, the height of wind generating set engine room is higher, its top wind speed is higher, top wind speed is up to 12m/s, and the wind speed of wind power generating set ground location is substantially zeroed, the half that subaerial wind speed generally also can only achieve wind power generating set top wind speed is even lower.This aeration radiation system is not when using air blast cooling, it is possible to by the air extraction bottom wind power generating set to top, by increasing the flow ventilated, and then improves the radiating efficiency of wind power generating set, and support equipment well runs.nullThe structure of this aeration radiation system is simpler，This system can be used for the transformation of existing system，On the basis of original wind power generating set, change amount is less，The positions such as the door bottom tower 3 are transformed，The engine room cover at tower 3 top is transformed，The height of natural energy resources and wind power generating set and the difference in height of air inlet 4 and air outlet 1 is utilized to be aerated cooling，The cooling requirements of wind power generating set can be reduced about 10 degree，Such as，Originally design maximum temperature is the normal temperature type wind power generating set of 40 degree，When just substantially can not do other any transformations，Suitable in the high temperature area of 50 degree，Build in high temperature area，Cannot meet and the equipment of cooling system requirement is modified，Cooling requirements can be met，Some areas wind turbine power generation that can be effectively prevented from occurring causing because temperature is too high is inefficient、Can eliminate as much as because the situation that cannot work of the wind energy conversion system that causes of excessive temperature，The operating temperature of blower fan can be promoted more than 10 degree.Meanwhile, change amount is less, and improvement cost is relatively low, it is not necessary to set up air exhausting device, saves the energy.Further, wind energy conversion system generates electricity many when wind is big, and time wind is big simultaneously, stack effect is obvious, just meets heat radiation needs；When wind is little, stack effect is inconspicuous, generates electricity little simultaneously, and radiating requirements is little, and stack effect fully mates with radiating requirements, and its matching degree is splendid, and this is characterized as that wind energy conversion system is peculiar, is that other regenerative resources such as thermoelectricity, water power, solar energy are difficult to.
Above-mentioned aeration radiation system is only a kind of preferred version, specifically it is not limited thereto, pointed adjustment can be made on this basis according to actual needs, thus obtaining different embodiments, tower 3 is generally cylindrical, air inlet 4 is opened in below tower 1/3rd three height, and air outlet 1 is opened in more than tower 2/3rds height.The tubular structure that tower 3 is generally cylindrical, utilizes the principle that hot-air rises, discharges hot-air from top outlet inlet 1, and the fresh cold air of outside is involved in from air inlet 4, takes hot-air away, drains heat, it is possible to reduce tower 3 internal temperature.Air inlet 4 is opened in below tower 1/3rd three height, and air outlet 1 is opened in more than tower 2/3rds height, and the temperature of whole ventilation shaft 2 all reduces.Preferably, when tower 3 total height is 70m, air inlet 4 is positioned at below 10m height bottom tower 3, and air outlet 1 is positioned at more than the 10m of tower 3 height.Air inlet 4 is arranged on relatively low position as far as possible, it is desirable to being arranged at 1-2m height bottom tower 3, namely air inlet 4 exceeds tower 3 bottom 1-2m；Air outlet 1 is arranged on of a relatively high position as far as possible, air inlet 4 and air outlet 1 is utilized to be in the differential static pressure of differing heights as the power changing wind heat radiation, increase the difference in height between air inlet 4 and air outlet 1, it is possible to increase the power changing wind heat radiation, it is possible to strengthen the radiating efficiency of wind power generating set.
On the basis of above-mentioned detailed description of the invention, aeration radiation system according to the difference of concrete occasion, can be carried out some changes by those skilled in the art.Air inlet 4 exceeds tower 3 bottom 1-2m, and the quantity of air inlet 4 is two, two symmetrical distributions of air inlet 4.Air outlet 1 is opened on the sidewall of tower 3, and the quantity of air outlet 1 is one.The quantity of air inlet 4 can be two, and the two air inlet 4 can be relative, and the first from left right side is symmetrical, certainly, two air inlets 4 simply one is set and is preferably carried out mode, be not unique, can be any number of, specifically arrange several, it is possible to determine according to practical situations.Air outlet 1 can be opened on the sidewall of tower 3, certainly, be opened in tower 3 top can also, the quantity of air outlet 1 can be one, it is also possible to for multiple.The distribution situation of air inlet 4 or air outlet 1 can be determined as the case may be, and certainly, the size of air inlet 4 and air outlet 1 does not do further requirement yet, as long as ensure that in ventilation shaft 2, temperature meets requirement, its distribution situation is unrestricted.Air outlet 1 is opened in the lower wind direction place of tower 3, it is to be understood that lower wind direction mentioned here refers in opposite direction with what wind came, namely leeward side, wind in tower 3 can be discharged from the air outlet 1 of tower 3, and the wind outside tower 3 not easily enters from air outlet 1.In order to optimize technique scheme further, ventilation shaft 2 flows through between the electrical equipment bottom tower 3, certainly, can also be not provided with between electrical equipment in ventilation shaft 2, is arranged at other suitable place.
Aeration radiation system provided by the present invention, in the immovable situation of other parts, air inlet 4 is connected with ventilation shaft 2 by pipeline, the pipeline normal temperature layer 7 through underground or through under water or the water route of ocean.Air inlet 4 is connected with ventilation shaft 2 by pipeline, and air inlet 4 is not directly opened in tower 3, connects with ventilation shaft 2 through pipeline.This pipeline through the normal temperature layer 7 of underground, can be then return to ground, after air enters this pipeline, it is possible to utilizes source, ground to carry out precooling or preheating；This pipeline may also pass through under water or the water route of ocean, carry out heat exchange, it is then return to wind energy conversion system, after air enters this pipeline, sea water can be utilized to carry out precooling or preheating, and this system is used for cooling and the heat radiation of marine windmill, less costly, it is, of course, also possible to the wind entering ventilation shaft 2 is precooled or preheats through other channel.
It is important to note that aeration radiation system provided by the present invention is not intended to be limited to this kind of situation.Baffle plate is installed at air inlet 4 and air outlet 1 place, and baffle plate can be movable, and air inlet 4 or air outlet 1 are by bearing pin and panel hinge, and baffle plate can be closed, and wind power energy all drives flapper closure.The the first, the first baffle plate 5 that air inlet 4 place is provided with opening and closing is hinged with the inwall of ventilation shaft 2 by the first bearing pin；Air outlet 1 place is provided with the second baffle 6 of opening and closing, and second baffle 6 is hinged with the outer wall of ventilation shaft 2 by the second bearing pin.It is to say, the baffle plate of air inlet 4 is opened windward time, the baffle plate of air outlet 1 is opened in leeward, and reversely, baffle plate can not be opened.In other words, baffle plate is that passive type is opened, and oneself can not actively be opened, passive type baffle design, it is possible to achieve optimum heat radiation, it is possible to achieve the heat radiation of Non-energy-consumption.Preferably, the first baffle plate 5 and second baffle 6 place are equipped with defecator；And first the opening and closing of baffle plate 5 and second baffle 6 control by power equipment or hydraulic test.There is filtration system at baffle plate position, it is to avoid dust or other soil enter, and baffle plate is controlled by electrical equipment or hydraulic test, electrical equipment or hydraulic test are parts common on the market, baffle plate by Stress control, the baffle plate of air inlet 4 be unidirectional inwardly, the baffle plate of air outlet 1 be unidirectional outwards.First baffle plate 5 and second baffle 6 are all detachable, and the first baffle plate 5 and second baffle 6 are dismountable, when breaking down in ventilation shaft 2, facilitate personnel to enter ventilation shaft 2 and keep in repair.
Based on the aeration radiation system provided in above-described embodiment, present invention also offers a kind of wind power generating set, this wind power generating set includes wind-driven generator and the aeration radiation system that described wind generator heat radiation is lowered the temperature, and wherein aeration radiation system is any one aeration radiation system in above-described embodiment.The aeration radiation system in above-described embodiment is have employed, so the beneficial effect of this wind power generating set refer to above-described embodiment due to this wind power generating set.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. the aeration radiation system of a wind power generating set, it is characterized in that, including the tower (3) with air inlet (4) and air outlet (1), described tower (3) is internal has ventilation shaft (2), described air inlet (4) is opened in the bottom of described tower (3), described air outlet (1) is opened in the top of described tower (3), by described ventilation shaft (2) connection between described air inlet (4) and air outlet (1).
2. aeration radiation system according to claim 1, it is characterized in that, described tower (3) is generally cylindrical, described air inlet (4) is opened in below described tower (3) 1/3rd height, and described air outlet (1) is opened in more than described tower 2/3rds height.
3. aeration radiation system according to claim 2, it is characterized in that, described air inlet (4) exceeds described tower (3) bottom 1-2m, and the quantity of described air inlet (4) is two, the symmetrical distribution of two described air inlets (4).
4. aeration radiation system according to claim 2, it is characterised in that described air outlet (1) is opened on the sidewall of described tower (3), the quantity of described air outlet (1) is one.
5. aeration radiation system according to claim 4, it is characterised in that described air outlet (1) is opened in the lower wind direction place of described tower (3).
6. aeration radiation system according to claim 5, it is characterised in that described ventilation shaft (2) flows through between the electrical equipment of described tower (3) bottom.
7. aeration radiation system according to claim 6, it is characterized in that, described air inlet (4) is connected with described ventilation shaft (2) by pipeline, the described pipeline normal temperature layer (7) through underground or through under water or the water route of ocean.
8. the aeration radiation system according to any one of claim 1 to 7, it is characterized in that, described air inlet (4) place is provided with first baffle plate (5) of opening and closing, and described first baffle plate (5) is hinged by the inwall of the first bearing pin Yu described ventilation shaft (2)；
Described air outlet (1) place is provided with the second baffle (6) of opening and closing, and described second baffle (6) is hinged by the outer wall of the second bearing pin Yu described ventilation shaft (2).
9. aeration radiation system according to claim 8, it is characterised in that described first baffle plate (5) and second baffle (6) place are equipped with defecator；
The opening and closing of described first baffle plate (5) and second baffle (6) control by power equipment or hydraulic test；
Described first baffle plate (5) and second baffle (6) are all detachable.
10. a wind power generating set, including wind-driven generator and aeration radiation system that described wind generator heat radiation is lowered the temperature, it is characterised in that described aeration radiation system is specially the aeration radiation system described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410826590.3A CN105781900A (en) | 2014-12-25 | 2014-12-25 | Wind turbine generator set and ventilation cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410826590.3A CN105781900A (en) | 2014-12-25 | 2014-12-25 | Wind turbine generator set and ventilation cooling system |
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| Publication Number | Publication Date |
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| CN105781900A true CN105781900A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410826590.3A Pending CN105781900A (en) | 2014-12-25 | 2014-12-25 | Wind turbine generator set and ventilation cooling system |
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| CN (1) | CN105781900A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438228A (en) * | 2016-10-08 | 2017-02-22 | 北京金风科创风电设备有限公司 | Cabin heat dissipating mechanism and method for wind generating set |
| CN107061196A (en) * | 2017-04-18 | 2017-08-18 | 威海职业学院 | Adverse circumstances apparatus for lower wind generator set heat radiation system |
| 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 |
| CN109667729A (en) * | 2017-10-13 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of Wind turbines high-efficiency cooling tower cylinder |
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| CN101970869A (en) * | 2008-01-30 | 2011-02-09 | 再生动力系统股份公司 | Wind turbine tower or a segment of a wind turbine tower with a door having a door frame |
| ES2359309A1 (en) * | 2009-11-10 | 2011-05-20 | GAMESA INNOVATION & TECHNOLOGY, S.L. | Refrigeration system of wind turbines (Machine-translation by Google Translate, not legally binding) |
| CN102705179A (en) * | 2012-06-08 | 2012-10-03 | 华锐风电科技(江苏)有限公司 | Micro positive pressure generating device |
| CN203783822U (en) * | 2014-04-14 | 2014-08-20 | 南车株洲电力机车研究所有限公司 | Aeration-cooling type tower drum for wind power generation set |
| CN204419461U (en) * | 2014-12-25 | 2015-06-24 | 浙江运达风电股份有限公司 | A kind of wind power generating set and aeration radiation system |
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| CN101970869A (en) * | 2008-01-30 | 2011-02-09 | 再生动力系统股份公司 | Wind turbine tower or a segment of a wind turbine tower with a door having a door frame |
| ES2359309A1 (en) * | 2009-11-10 | 2011-05-20 | GAMESA INNOVATION & TECHNOLOGY, S.L. | Refrigeration system of wind turbines (Machine-translation by Google Translate, not legally binding) |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438228A (en) * | 2016-10-08 | 2017-02-22 | 北京金风科创风电设备有限公司 | Cabin heat dissipating mechanism and method for wind generating set |
| CN107061196A (en) * | 2017-04-18 | 2017-08-18 | 威海职业学院 | Adverse circumstances apparatus for lower wind generator set heat radiation system |
| CN109667729A (en) * | 2017-10-13 | 2019-04-23 | 中车株洲电力机车研究所有限公司 | A kind of Wind turbines high-efficiency cooling tower cylinder |
| 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 |
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Address after: 311106 Zhejiang City, Yuhang Province Economic and Technological Development Zone (Qianjiang Economic Development Zone) downwind Road, No. 558, No. Applicant after: Zhejiang Windey Wind Power Co., Ltd. Address before: 310012, Zhejiang, Hangzhou, No. two Wen Road, West Lake international science and technology building, block A, building 22 Applicant before: Zhejiang Windey Wind Power Co., Ltd. |
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Application publication date: 20160720 |