CN109209778A - A kind of pylon of wind turbine power generation unit - Google Patents

A kind of pylon of wind turbine power generation unit Download PDF

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Publication number
CN109209778A
CN109209778A CN201811001792.9A CN201811001792A CN109209778A CN 109209778 A CN109209778 A CN 109209778A CN 201811001792 A CN201811001792 A CN 201811001792A CN 109209778 A CN109209778 A CN 109209778A
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CN
China
Prior art keywords
water
column
cabinet
pylon
power generation
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.)
Granted
Application number
CN201811001792.9A
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Chinese (zh)
Other versions
CN109209778B (en
Inventor
崔修旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Yuanye Technology Co Ltd
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Tianjin Yuanye Technology Co Ltd
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Filing date
Publication date
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Priority to CN201811001792.9A priority Critical patent/CN109209778B/en
Publication of CN109209778A publication Critical patent/CN109209778A/en
Application granted granted Critical
Publication of CN109209778B publication Critical patent/CN109209778B/en
Active legal-status Critical Current
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Classifications

    • 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
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00Methods for working soil
    • 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
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/22Foundations specially adapted for wind motors
    • 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
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • 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
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60Cooling or heating of wind motors
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion
    • 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
    • Y02E10/728Onshore wind turbines
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

Abstract

The invention discloses a kind of pylons of wind turbine power generation unit, including column and cabinet, described column one end is welded with cabinet, the column other end is fixedly connected with connecting rod, described connecting rod one end is welded with embedment plate, engaging lug is welded with below the cabinet, the engaging lug surface has been connected by a snap steel strand wires, the engaging lug side is removably connected with atomizer, the column outer wall has been connected by screw to water-collecting tray, the pan bottom of catchmenting is fixedly connected with deflector, column inner cavity is provided with water-supply-pipe, described water-supply-pipe one end is fixedly connected with water tank, described cabinet one end is connected by a hinge and has case lid.The present invention passes through motor driven pump working, and the output end of water pump is connected by rubber hose with atomizer, and the rainwater of collection is sprayed at around column, carries out moisturizing to vegetation around, it can effectively prevent erosion, the ground caused by preventing because of soil erosion around column is built on the sand.

Description

A kind of pylon of wind turbine power generation unit
Technical field
The present invention relates to a kind of pylon, in particular to a kind of pylon of wind turbine power generation unit.
Background technique
Wind-power electricity generation refers to that the kinetic energy kept watch switchs to electric energy.Wind energy is a kind of to clean non-harmful renewable energy energy Source, it is very environmentally friendly using wind-power electricity generation, and the wind energy amount of accumulateing is huge, therefore is increasingly subject to the attention of countries in the world.
Existing pylon is easy to happen inclination after mounting, leads to generating set cisco unity malfunction, and wind-force is sent out Pylon frame is typically mounted at the barrenr place in soil, is easy to cause soil erosion, to make pylon that can not stablize support.For This, it is proposed that a kind of pylon of wind turbine power generation unit.
Summary of the invention
The main purpose of the present invention is to provide a kind of pylon of wind turbine power generation unit, by motor driven pump working, And the output end of water pump is connected by rubber hose with atomizer, the rainwater of collection is sprayed at around column, to surrounding Vegetation carries out moisturizing, can effectively prevent erosion, and the ground caused by preventing because of soil erosion around column built on the sand, can be with Effectively solve the problems in background technique.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of pylon of wind turbine power generation unit, including column and cabinet, described column one end are welded with cabinet, the column The other end is fixedly connected with connecting rod, and described connecting rod one end is welded with embedment plate, is welded with engaging lug below the cabinet, institute It states engaging lug surface and has been connected by a snap steel strand wires, the engaging lug side is removably connected with atomizer, the column Outer wall has been connected by screw to water-collecting tray, and the pan bottom of catchmenting is fixedly connected with deflector, the setting of column inner cavity There is water-supply-pipe, described water-supply-pipe one end is fixedly connected with water tank, and described cabinet one end is connected by a hinge and has case lid, the case lid Side has been connected by a snap electric putter.
Further, it is welded with fixed plate above the embedment plate, the fixed plate surface offers threaded hole and screw thread Fixed plate is run through in hole.
Further, the cabinet upper surface has been connected by a snap anemometer, and the anemometer side rotation is connected with Main shaft.
Further, described steel strand wires one end has been connected by a snap rivet.
Further, the water tank side is connected with water pump by rubber hose, and the input terminal of the water pump passes through shaft coupling Device is connected with the output end of motor, and the output end of the water pump is connected by rubber hose with atomizer.
Further, the pan bottom of catchmenting offers through-hole, and the through-hole is mutually connected with water-supply-pipe.
Further, the case lid surface adhesion has water-swellable article rubber water stop, and electric putter side passes through spiral shell Nail is connected with dust-proof mesh enclosure, and the dust-proof mesh enclosure side is rotatably connected to fan.
Compared with prior art, the invention has the following beneficial effects:
1. being welded with embedment plate by connecting rod one end, the contact area on column and ground can be effectively improved, prevents from standing Column inclination improves stability when column installation.
2. by being welded with engaging lug below cabinet, and engaging lug surface has been connected by a snap steel strand wires, steel strand wires one End has been connected by a snap rivet, by tensing steel strand wires, and rivet is squeezed into ground, can further improve the stabilization of column Property.
It, will 3. by motor driven pump working, and the output end of water pump is connected by rubber hose with atomizer The rainwater of collection is sprayed at around column, is carried out moisturizing to vegetation around, can effectively be prevented erosion, prevent because of water and soil stream Mistake causes the ground around column built on the sand.
4. being rotatably connected to fan by cabinet inner cavity one end, can radiate to cabinet, and prevented by dust-proof mesh enclosure Dust and impurities enter cabinet inner cavity, are opened and closed by electric putter to case lid, and have chance water swollen by case lid surface adhesion Swollen article rubber water stop effectively can prevent rainwater along gap leakage.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of the pylon of wind turbine power generation unit of the present invention.
Fig. 2 is a kind of column the schematic diagram of the section structure of the pylon of wind turbine power generation unit of the present invention.
Fig. 3 is a kind of water-collecting tray overlooking structure diagram of the pylon of wind turbine power generation unit of the present invention.
Fig. 4 is a kind of cabinet inner-cavity structure schematic diagram of the pylon of wind turbine power generation unit of the present invention.
In figure: 1, column;2, connecting rod;3, it is embedded to plate;4, fixed plate;5, threaded hole;6, cabinet;7, anemometer;8, main Axis;9, engaging lug;10, steel strand wires;11, rivet;12, atomizer;13, water-collecting tray;14, deflector;15, water-supply-pipe;16, water Case;17, water pump;18, motor;19, through-hole;20, case lid;21, water-swellable article rubber water stop;22, electric putter;23, dust-proof mesh enclosure; 24, fan.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to Specific embodiment, the present invention is further explained.
As shown in Figs 1-4, a kind of pylon of wind turbine power generation unit, including column 1 and cabinet 6,1 one end of column welding There is cabinet 6,1 other end of column is fixedly connected with connecting rod 2, and described 2 one end of connecting rod is welded with embedment plate 3, the machine Engaging lug 9 is welded with below case 6,9 surface of engaging lug has been connected by a snap steel strand wires 10, and 9 side of engaging lug can Dismantling connection has atomizer 12, and 1 outer wall of column has been connected by screw to water-collecting tray 13, and 13 bottom of water-collecting tray is fixed It is connected with deflector 14,1 inner cavity of column is provided with water-supply-pipe 15, and described 15 one end of water-supply-pipe is fixedly connected with water tank 16, described 6 one end of cabinet is connected by a hinge and has case lid 20, and 20 side of case lid has been connected by a snap electric putter 22.
It in the present embodiment (as shown in Fig. 1,2 and 4), prevents column from tilting, the rainwater of collection is sprayed at around column, it is right Surrounding vegetation carry out moisturizing, can effectively prevent erosion, the ground caused by preventing because of soil erosion around column built on the sand, Heat dissipation and waterproof are carried out to cabinet.
Wherein, fixed plate 4 is welded with above the embedment plate 3,4 surface of fixed plate offers threaded hole 5 and screw thread Fixed plate 4 is run through in hole 5.
In the present embodiment (as shown in Figure 1), column installation is fixed.
Wherein, 6 upper surface of cabinet has been connected by a snap anemometer 7, and 7 side of the anemometer rotation is connected with master Axis 8.
In the present embodiment (as shown in Figure 1), wind speed is measured, while wind-power electricity generation blade being installed.
Wherein, described 10 one end of steel strand wires has been connected by a snap rivet 11.
In the present embodiment (as shown in Figure 1), the stability of column is reinforced.
Wherein, 16 side of water tank is connected with water pump 17 by rubber hose, and the input terminal of the water pump 17 passes through connection Axis device is connected with the output end of motor 18, and the output end of the water pump 17 is connected by rubber hose with atomizer 12.
In the present embodiment (as shown in Figure 2), the rainwater of collection is effectively utilized.
Wherein, 13 bottom of water-collecting tray offers through-hole 19, and the through-hole 19 is connected with 15 phase of water-supply-pipe.
It is convenient to rainwater-collecting in the present embodiment (as shown in Figure 3).
Wherein, 20 surfaces stick of case lid has water-swellable article rubber water stop 21, and 22 side of electric putter passes through Screw is connected with dust-proof mesh enclosure 23, and 23 side of dust-proof mesh enclosure is rotatably connected to fan 24.
In the present embodiment (as shown in Figure 4), enhance the functionality of cabinet.
It should be noted that the present invention is a kind of pylon of wind turbine power generation unit, including column 1, connecting rod 2, embedment plate 3, fixed plate 4, threaded hole 5, cabinet 6, anemometer 7, main shaft 8, engaging lug 9, steel strand wires 10, rivet 11, atomizer 12, catchment Disk 13, deflector 14, water-supply-pipe 15, water tank 16, water pump 17, motor 18, through-hole 19, case lid 20, water-swellable article rubber water stop 21, Electric putter 22, dust-proof mesh enclosure 23, fan 24, component are universal standard part or component as known to those skilled in the art, knot Structure and principle are all that this technology personnel can be learnt by technical manual or be known by routine experiment method, and when work passes through company 2 one end of extension bar is welded with embedment plate 3, can effectively improve the contact area of column 1 Yu ground, prevents column 1 from tilting, and improves vertical Stability when column 1 is installed, by being welded with fixed plate 4 above embedment plate 3, and 4 surface of fixed plate offers threaded hole 5, will Expansion bolt passes through threaded hole 5, and joints cement bed course, and expansion bolt is squeezed into cement bed course, for installing vertical columns 1, 6 upper surface of cabinet has been connected by a snap anemometer 7, and the size that can measure wind-force passes through wind by the mountable blade of main shaft 8 Power, which drives, realizes power generation, and by being welded with engaging lug 9 below cabinet 6, and 9 surface of engaging lug has been connected by a snap steel strand wires 10,10 one end of steel strand wires has been connected by a snap rivet 11, by tensing steel strand wires 10, and rivet 11 is squeezed into ground, can be into The stability of the raising column 1 of one step, 1 outer wall of column have been connected by screw to water-collecting tray 13, can be used for collecting rainwater, and catchment 13 bottom of disk offers through-hole 19, the rainwater collected by deflector 14 toward conveying at through-hole 19, and passes through through-hole 19 and water delivery The linking of 15 phase of pipe, by the rainwater storage of collection in water tank 16,16 side of water tank is connected with water pump 17 by rubber hose, passes through Motor 18 drives water pump 17 to work, and the output end of water pump 17 is connected by rubber hose with atomizer 12, by collection Rainwater is sprayed at around column 1, is carried out moisturizing to vegetation around, can effectively be prevented erosion, prevent from making because of soil erosion Built on the sand at the ground around column 1, fan 24 is rotatably connected to by 6 inner cavity one end of cabinet, can radiated to cabinet 6, And prevent dust and impurities from entering 6 inner cavity of cabinet by dust-proof mesh enclosure 23, case lid 20 is opened and closed by electric putter 22, and There is water-swellable article rubber water stop 21 by 20 surfaces stick of case lid, effectively rainwater can be prevented along gap leakage.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (7)

1. a kind of pylon of wind turbine power generation unit, including column (1) and cabinet (6), described column (1) one end is welded with cabinet (6), it is characterised in that: column (1) other end is fixedly connected with connecting rod (2), and described connecting rod (2) one end, which is welded with, buries Enter plate (3), is welded with engaging lug (9) below the cabinet (6), engaging lug (9) surface has been connected by a snap steel strand wires (10), engaging lug (9) side is removably connected with atomizer (12), and column (1) outer wall has been connected by screw to Water-collecting tray (13), water-collecting tray (13) bottom are fixedly connected with deflector (14), and column (1) inner cavity is provided with defeated Water pipe (15), described water-supply-pipe (15) one end are fixedly connected with water tank (16), and one end is connected by a hinge the cabinet (6) case It covers (20), case lid (20) side has been connected by a snap electric putter (22).
2. a kind of pylon of wind turbine power generation unit according to claim 1, it is characterised in that: above the embedment plate (3) It is welded with fixed plate (4), fixed plate (4) surface offers threaded hole (5) and threaded hole (5) is through fixed plate (4).
3. a kind of pylon of wind turbine power generation unit according to claim 1, it is characterised in that: cabinet (6) upper surface It has been connected by a snap anemometer (7), anemometer (7) the side rotation is connected with main shaft (8).
4. a kind of pylon of wind turbine power generation unit according to claim 1, it is characterised in that: described steel strand wires (10) one end It has been connected by a snap rivet (11).
5. a kind of pylon of wind turbine power generation unit according to claim 1, it is characterised in that: water tank (16) side is logical It crosses rubber hose to be connected with water pump (17), the input terminal of the water pump (17) is connected by shaft coupling with the output end of motor (18) It connects, the output end of the water pump (17) is connected by rubber hose with atomizer (12).
6. a kind of pylon of wind turbine power generation unit according to claim 1, it is characterised in that: water-collecting tray (13) bottom It offers through-hole (19), the through-hole (19) is mutually connected with water-supply-pipe (15).
7. a kind of pylon of wind turbine power generation unit according to claim 1, it is characterised in that: case lid (20) surface is viscous It is connected with water-swellable article rubber water stop (21), electric putter (22) side has been connected by screw to dust-proof mesh enclosure (23), institute It states dust-proof mesh enclosure (23) side and is rotatably connected to fan (24).
CN201811001792.9A 2018-08-30 2018-08-30 Tower frame of fan generator set Active CN109209778B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811001792.9A CN109209778B (en) 2018-08-30 2018-08-30 Tower frame of fan generator set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811001792.9A CN109209778B (en) 2018-08-30 2018-08-30 Tower frame of fan generator set

Publications (2)

Publication Number Publication Date
CN109209778A true CN109209778A (en) 2019-01-15
CN109209778B CN109209778B (en) 2021-02-19

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111042993A (en) * 2019-12-31 2020-04-21 新疆新风新能环保科技有限公司 Tower heat dissipation device of wind driven generator
CN111766926A (en) * 2020-07-13 2020-10-13 遥领(杭州)信息技术服务有限公司 Dust-protection type computer mainframe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202132187U (en) * 2011-07-14 2012-02-01 华锐风电科技(集团)股份有限公司 Guyed tower structure of wind generating set
CN202158523U (en) * 2011-07-01 2012-03-07 陈宇 High-intensity lamp pole capable of collecting rainwater
CN203098161U (en) * 2012-08-20 2013-07-31 西安久和能源科技有限公司 Ventilating and radiating device for cabin of wind generating set
CN205637793U (en) * 2016-04-18 2016-10-12 象山逸迪电子科技有限公司 Wire pole with function is collected to rainwater
CN106193092A (en) * 2016-08-17 2016-12-07 中国能源建设集团江苏省电力设计院有限公司 A kind of blower fan discharge structure and water discharge method thereof and manufacture method
CN108180113A (en) * 2017-12-26 2018-06-19 郑州天舜电子技术有限公司 A kind of small-sized hybrid power plant of complementary domestic energy-saving of wind and rain

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202158523U (en) * 2011-07-01 2012-03-07 陈宇 High-intensity lamp pole capable of collecting rainwater
CN202132187U (en) * 2011-07-14 2012-02-01 华锐风电科技(集团)股份有限公司 Guyed tower structure of wind generating set
CN203098161U (en) * 2012-08-20 2013-07-31 西安久和能源科技有限公司 Ventilating and radiating device for cabin of wind generating set
CN205637793U (en) * 2016-04-18 2016-10-12 象山逸迪电子科技有限公司 Wire pole with function is collected to rainwater
CN106193092A (en) * 2016-08-17 2016-12-07 中国能源建设集团江苏省电力设计院有限公司 A kind of blower fan discharge structure and water discharge method thereof and manufacture method
CN108180113A (en) * 2017-12-26 2018-06-19 郑州天舜电子技术有限公司 A kind of small-sized hybrid power plant of complementary domestic energy-saving of wind and rain

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111042993A (en) * 2019-12-31 2020-04-21 新疆新风新能环保科技有限公司 Tower heat dissipation device of wind driven generator
CN111042993B (en) * 2019-12-31 2020-12-18 新疆新风新能环保科技有限公司 Tower heat dissipation device of wind driven generator
CN111766926A (en) * 2020-07-13 2020-10-13 遥领(杭州)信息技术服务有限公司 Dust-protection type computer mainframe
CN111766926B (en) * 2020-07-13 2022-03-08 广州市中晟科技有限公司 Dust-protection type computer mainframe

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