CN110994897A - A generator for a wind turbine - Google Patents

A generator for a wind turbine Download PDF

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Publication number
CN110994897A
CN110994897A CN201911339855.6A CN201911339855A CN110994897A CN 110994897 A CN110994897 A CN 110994897A CN 201911339855 A CN201911339855 A CN 201911339855A CN 110994897 A CN110994897 A CN 110994897A
Authority
CN
China
Prior art keywords
generator
shell
clamping plate
heat dissipation
wind turbine
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.)
Pending
Application number
CN201911339855.6A
Other languages
Chinese (zh)
Inventor
王远锋
石斌
邬向东
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.)
Anhui Evotec Power Generation Co ltd
Original Assignee
Anhui Evotec Power Generation Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Evotec Power Generation Co ltd filed Critical Anhui Evotec Power Generation Co ltd
Priority to CN201911339855.6A priority Critical patent/CN110994897A/en
Publication of CN110994897A publication Critical patent/CN110994897A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807Rotary generators
    • H02K7/1823Rotary generators structurally associated with turbines or similar engines
    • H02K7/183Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/0094Structural association with other electrical or electronic devices
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K11/00Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25Devices for sensing temperature, or actuated thereby
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/24Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Wind Motors (AREA)

Abstract

The invention belongs to the technical field of wind power generation, and particularly relates to a generator for a wind turbine, which comprises a shell and a generator body arranged in the shell, wherein one end of the generator body is connected with a motor rotating shaft, the motor rotating shaft extends to the outside of the shell and is provided with fan blades, two groups of supporting frames are arranged on the outer side of the generator body, and two ends of each supporting frame are fixedly connected with the upper end and the lower end of the shell; the utility model discloses a generator, including the motor shaft, the fan blade is set firmly in the one end outside that the motor shaft is close to the generator body, the one end that the flabellum was kept away from to the casing is equipped with the opening, the welding of the opening outside of casing has the heat dissipation window, install the blade that a plurality of transverse arrangement set up in the heat dissipation window, the center department of blade runs through and is provided with the connecting axle, has overcome prior art's not enough, utilizes wind energy to drive the flabellum and rotates, improves the heat dissipation, sets up rotatable blade in the heat dissipation window, avoids the rainwater to get into when convenient.

Description

A generator for a wind turbine
Technical Field
The invention belongs to the technical field of wind power generation, and particularly relates to a generator for a wind turbine.
Background
A considerable amount of heat may be generated during operation of the wind turbine. The main source of heat is in the windings of the generator, as these windings are usually thick copper conductors carrying very high currents. The performance of the generator may be reduced if the temperature in the windings becomes too high.
In the prior art, the generator is lack of a good heat dissipation mechanism, so that the fault rate of the generator is high, the service life of the generator is shortened, and the maintenance cost is increased.
Disclosure of Invention
The invention aims to provide a generator for a wind turbine, which overcomes the defects of the prior art, utilizes wind energy to drive fan blades to rotate, improves heat dissipation, is convenient to dissipate heat, avoids rainwater from entering, prolongs the service life of the generator and reduces maintenance cost.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a generator for a wind turbine comprises a shell and a generator body arranged inside the shell, wherein one end of the generator body is connected with a motor rotating shaft, the motor rotating shaft extends to the outside of the shell and is provided with fan blades, two groups of supporting frames are arranged on the outer side of the generator body, and two ends of each supporting frame are fixedly connected with the upper end and the lower end of the shell; the fan blade is fixedly arranged on the outer side of one end, close to the generator body, of the motor rotating shaft, an opening is formed in one end, far away from the fan blade, of the shell, a heat dissipation window is welded on the outer side of the opening of the shell, a plurality of transversely arranged blades are installed in the heat dissipation window, a connecting shaft penetrates through the center of each blade, a transmission gear is fixedly arranged on the outer side of one end of each connecting shaft, adjacent transmission gears are meshed with each other, two ends of each connecting shaft are rotatably connected with inner walls of two sides of each heat dissipation window respectively, a transmission box is fixedly arranged on the outer wall of one side of the bottom of each heat dissipation window, one end of each connecting shaft located at the bottom penetrates through the heat dissipation window and extends into the transmission box, a driving motor is installed in the transmission; and a longitudinal dustproof net is fixedly arranged at one end, close to the heat dissipation window, in the shell.
Further, rain sensor is installed at the top of casing, the controller is installed to the bottom of casing, one angle sensor is installed to the inboard of blade, the input of controller respectively with rain sensor and angle sensor electric connection, the output and the driving motor electric connection of controller.
Further, the internally mounted of casing has temperature sensor, temperature sensor and the input electric connection of controller, the output of controller still is connected with wireless transmission device for transmit temperature information to display terminal.
Further, the top of casing is fixed with the photovoltaic board, be equipped with the battery in the casing, the photovoltaic board passes through the wire and is connected with the battery.
Furthermore, the distance between the central lines of the adjacent rotating shafts is the width of the blade, and the rotating directions of the blades are opposite.
Further, the support frame is including the punch holder and the lower plate that are located generator body both sides respectively, punch holder and lower plate are the arc structure, and pass through bolted connection between punch holder and the lower plate, one side center department that punch holder and lower plate kept away from mutually all has set firmly the connecting rod, the one end that the punch holder was kept away from to the connecting rod is provided with fixing sleeve, fixing sleeve fixes on the inside wall of casing, inside the connecting rod runs through fixing sleeve and extends to fixing sleeve, be equipped with connecting spring in the fixing sleeve, connecting spring's both ends respectively with fixing sleeve and connecting rod fixed connection.
Furthermore, a rubber pad is glued on the surface of one side, close to each other, of the upper clamping plate and the lower clamping plate, and anti-skid grains are arranged on the surface of the rubber pad.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the fan blades are arranged on the motor rotating shaft, and the fan blades are driven to rotate by wind energy, so that the air circulation in the shell is accelerated, and the heat dissipation is improved; the driving motor drives the connecting shaft and the blades to rotate, the opening size of the heat dissipation window is adjusted, the rainfall sensor, the temperature sensor and the angle sensor are arranged, and the rotating angle of the blades is adjusted according to the temperature and the rainfall.
2. According to the invention, the generator body is fixed through the two groups of supporting frames, the upper clamping plate and the lower clamping plate, and the connecting rod, the fixing sleeve and the connecting spring are arranged to give a certain space vibration to the generator body, so that the noise is reduced; and meanwhile, the generator body is suspended, so that heat dissipation is facilitated.
3. The photovoltaic panel converts solar energy into electric energy, the electric energy is stored in the storage battery, and then the electric energy is provided for the electric appliances in the shell, so that the photovoltaic panel is more environment-friendly and energy-saving.
Drawings
FIG. 1 is a schematic diagram of a generator for a wind turbine.
FIG. 2 is a schematic view of a heat dissipating window in a generator for a wind turbine.
FIG. 3 is a schematic view of a support frame for a generator of a wind turbine.
In the figure: 1. a housing; 2. a generator body; 3. a motor shaft; 4. a fan blade; 5. a fan blade; 6. a temperature sensor; 7. a support frame; 701. an upper splint; 702. a lower splint; 703. a rubber pad; 704. a connecting rod; 705. fixing the sleeve; 706. a connecting spring; 8. a heat dissipation window; 9. a dust screen; 10. a photovoltaic panel; 11. a rainfall sensor; 12. a storage battery; 13. a wireless transmission device; 14. a controller; 15. a blade; 16. a transmission gear; 17. a transmission case; 18. a drive motor; 19. an angle sensor; 20. and (7) connecting the shafts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-3, the generator for a wind turbine according to the present invention includes a housing 1 and a generator body 2 installed inside the housing 1, wherein one end of the generator body 2 is connected with a motor shaft 3, the motor shaft 3 extends to the outside of the housing 1 and is installed with a fan blade 4, two sets of support frames 7 are disposed outside the generator body 2, and two ends of each support frame 7 are fixedly connected with the upper and lower ends of the housing 1; the outer side of one end, close to the generator body 2, of the motor rotating shaft 3 is fixedly provided with a fan blade 5, one end, far away from the fan blade 5, of the shell 1 is provided with an opening, the outer side of the opening of the shell 1 is welded with a heat dissipation window 8, a plurality of transversely arranged blades 15 are installed in the heat dissipation window 8, a connecting shaft 20 penetrates through the center of each blade 15, a transmission gear 16 is fixedly arranged on the outer side of one end of the connecting shaft 20, adjacent transmission gears 16 are meshed with each other, two ends of the connecting shaft 20 are respectively rotatably connected with inner walls on two sides of the heat dissipation window 8, a transmission box 17 is fixedly arranged on the outer wall on one side of the bottom of the heat dissipation window 8, one end of the connecting shaft 20 located at the bottom penetrates through the heat dissipation window 8 and extends into the transmission box 17, a driving motor; a longitudinal dustproof net 9 is fixedly arranged at one end of the interior of the shell 1 close to the heat radiation window 8.
The top of the shell 1 is provided with a rainfall sensor 11, the rainfall sensor 11 is used for detecting rainfall of external environment, the type of the rainfall sensor can be RSD-BEX, the bottom of the shell 1 is provided with a controller 14, the type of the controller can be HGM6110U, the inner side of one blade 15 is provided with an angle sensor 19, the type of the angle sensor can be CA-910-V, the input end of the controller 14 is respectively electrically connected with the rainfall sensor 11 and the angle sensor 19, and the output end of the controller 14 is electrically connected with the driving motor 18.
The internally mounted of casing 1 has temperature sensor 6, and its model can be PT100, temperature sensor 6 and controller 14's input electric connection, and controller 14's output still is connected with wireless transmission device 13, through modes such as 4G, bluetooth transmission temperature information to display terminal, and operating personnel can look over the inside temperature of casing 1 through display terminal, in time discovers the trouble, overhauls.
The top of casing 1 is fixed with photovoltaic board 10, is equipped with battery 12 in the casing 1, and photovoltaic board 10 passes through the wire and is connected with battery 12, converts solar energy through photovoltaic board 10 and is the electric energy, stores and provides the electric energy for controller 14, driving motor 18, angle sensor 19, rainfall sensor 11, temperature sensor 6 and wireless transmission device 13 in battery 12.
The distance between the center lines of the adjacent rotating shafts is the width of the blades 15, and the rotating directions of the adjacent rotating shafts are opposite, so that the gap between the adjacent blades 15 is reduced.
The supporting frame 7 comprises an upper clamping plate 701 and a lower clamping plate 702 which are respectively positioned at two sides of the generator body 2, the upper clamping plate 701 and the lower clamping plate 702 are both arc-shaped structures, the upper clamping plate 701 and the lower clamping plate 702 are connected through bolts, a connecting rod 704 is fixedly arranged at the center of one side, away from the upper clamping plate 701 and the lower clamping plate 702, one end, away from the upper clamping plate 701, of the connecting rod 704 is provided with a fixing sleeve 705, the fixing sleeve 705 is fixed on the inner side wall of the shell 1, the connecting rod 704 penetrates through the fixing sleeve 705 and extends into the fixing sleeve 705, a connecting spring 706 is arranged in the fixing sleeve 705, and two ends of the connecting spring 706 are respectively fixedly connected; the rubber pad 703 is glued on the surface of one side of the upper clamping plate 701, which is close to the lower clamping plate 702, and the surface of the rubber pad 703 is provided with anti-skid grains.
In summary, when the generator body 2 of the generator for the wind turbine is used, the wind power drives the fan blades 4 to rotate so as to rotate the motor rotating shaft 3, so that the fan blades 5 rotate, air circulation inside the shell 1 is promoted, and heat dissipation is accelerated; three states of the blades 15 exist in the operation of the generator body 2: 1. in a fully open state, when no rain falls in an external environment and the temperature inside the shell 1 is higher than a preset temperature, the driving motor 18 is started to drive the connecting shaft 20 at the bottom to rotate, the connecting shaft 20 at the bottom drives other rotating shafts to rotate through the meshing of the transmission gear 16 until the connecting shaft 20 drives the blades 15 to rotate by 90 degrees, and the blades 15 are parallel to each other; 2. in a half-open state, when the rainfall sensor 11 senses rain but the rainfall is not large, the driving motor 18 drives the connecting shaft 20 to rotate, the rotating directions of the adjacent blades 15 are opposite, so that the gaps between the blades 15 are reduced, and the fan blades 5 generate outward wind to prevent rainwater from entering the shell 1; 3. in a closed state, when the rainfall exceeds a preset value or the temperature is lower than a preset value, the driving motor 18 drives the blades 15 to rotate, so that the blades 15 are closed, and the rainwater is prevented from entering the shell 1 or the temperature in the shell 1 is too low.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a generator for wind turbine, includes casing (1) and installs generator body (2) inside casing (1), and the one end of generator body (2) is connected with motor shaft (3), motor shaft (3) extend to casing (1) outside, and install fan blade (4), its characterized in that: two groups of supporting frames (7) are arranged on the outer side of the generator body (2), and two ends of each supporting frame (7) are fixedly connected with the upper end and the lower end of the shell (1); the motor rotating shaft (3) is close to the outer side of one end of the generator body (2) and is fixedly provided with fan blades (5), one end of the shell (1) far away from the fan blades (5) is provided with an opening, the outer side of the opening of the shell (1) is welded with a heat dissipation window (8), a plurality of blades (15) which are transversely arranged are installed in the heat dissipation window (8), the center of each blade (15) is provided with a connecting shaft (20) in a penetrating mode, one end of the connecting shaft (20) is fixedly provided with a transmission gear (16), the adjacent transmission gears (16) are meshed with each other, two ends of the connecting shaft (20) are respectively and rotatably connected with inner walls of two sides of the heat dissipation window (8), a transmission box (17) is fixedly arranged on the outer wall of one side of the bottom of the heat dissipation window (8), one end of the connecting shaft (20) positioned at the, a driving motor (18) is installed in the transmission case (17), and an output shaft of the driving motor (18) is in transmission connection with a connecting shaft (20) located in the transmission case (17) through a gear; and a longitudinal dustproof net (9) is fixedly arranged at one end, close to the heat dissipation window (8), in the shell (1).
2. A generator for a wind turbine according to claim 1, wherein: rainfall sensor (11) are installed at the top of casing (1), controller (14) are installed to the bottom of casing (1), one angle sensor (19) are installed to the inboard of blade (15), the input of controller (14) respectively with rainfall sensor (11) and angle sensor (19) electric connection, the output and driving motor (18) electric connection of controller (14).
3. A generator for a wind turbine according to claim 2, wherein: the utility model discloses a temperature monitoring device, including casing (1), the internally mounted of casing (1) has temperature sensor (6), temperature sensor (6) and the input electric connection of controller (14), the output of controller (14) still is connected with wireless transmission device (13) for transmit temperature information to display terminal.
4. A generator for a wind turbine according to claim 1, wherein: the photovoltaic panel is characterized in that a photovoltaic panel (10) is fixed to the top of the shell (1), a storage battery (12) is arranged in the shell (1), and the photovoltaic panel (10) is connected with the storage battery (12) through a lead.
5. A generator for a wind turbine according to claim 1, wherein: the distance between the central lines of the adjacent rotating shafts is the width of the blade (15), and the rotating directions of the blades are opposite.
6. A generator for a wind turbine according to claim 1, wherein: the support frame (7) comprises an upper clamping plate (701) and a lower clamping plate (702) which are respectively positioned at two sides of the generator body (2), the upper clamping plate (701) and the lower clamping plate (702) are both arc-shaped structures, the upper clamping plate (701) and the lower clamping plate (702) are connected through bolts, the centers of the sides of the upper clamping plate (701) and the lower clamping plate (702) far away are fixedly provided with connecting rods (704), one end of the connecting rod (704) far away from the upper clamping plate (701) is provided with a fixed sleeve (705), the fixed sleeve (705) is fixed on the inner side wall of the shell (1), the connecting rod (704) penetrates through the fixed sleeve (705) and extends to the inside of the fixed sleeve (705), a connecting spring (706) is arranged in the fixed sleeve (705), and two ends of the connecting spring (706) are respectively and fixedly connected with the fixed sleeve (705) and the connecting rod (704).
7. A generator for a wind turbine according to claim 6, wherein: the anti-skid rubber mat is characterized in that a rubber mat (703) is glued to the surface of one side, close to each other, of the upper clamping plate (701) and the lower clamping plate (702), and anti-skid grains are arranged on the surface of the rubber mat (703).
CN201911339855.6A 2019-12-23 2019-12-23 A generator for a wind turbine Pending CN110994897A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911339855.6A CN110994897A (en) 2019-12-23 2019-12-23 A generator for a wind turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911339855.6A CN110994897A (en) 2019-12-23 2019-12-23 A generator for a wind turbine

Publications (1)

Publication Number Publication Date
CN110994897A true CN110994897A (en) 2020-04-10

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CN201911339855.6A Pending CN110994897A (en) 2019-12-23 2019-12-23 A generator for a wind turbine

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CN (1) CN110994897A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111441974A (en) * 2020-04-13 2020-07-24 绍兴上虞三禾风机有限公司 Fan with damper
CN112803672A (en) * 2021-01-16 2021-05-14 河北上广网络科技有限公司 Single-bearing direct-drive wind generating set
CN112928864A (en) * 2021-01-21 2021-06-08 刘俊国 Environment-friendly bidirectional wind-driven automobile generator

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207988882U (en) * 2017-12-31 2018-10-19 苏州市蓝拓洁净技术有限公司 A kind of shutter with rainproof function
CN109356783A (en) * 2018-12-19 2019-02-19 宁波锦锐能源科技有限公司 A kind of new energy development wind power generation plant
CN109494925A (en) * 2018-11-21 2019-03-19 高邮佳春科技有限公司 A kind of magneto of efficient damping
CN110190539A (en) * 2019-06-28 2019-08-30 国网山东省电力公司平阴县供电公司 One kind being used for electric power cabinet movable type radiation device
CN209642470U (en) * 2019-04-18 2019-11-15 江西力玛机电科技有限公司 A kind of threephase asynchronous machine damping type mounting base
CN209687329U (en) * 2018-10-16 2019-11-26 广州市鑫田净化设备有限公司 A kind of dust-proof anti-ponding type fan shutter

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207988882U (en) * 2017-12-31 2018-10-19 苏州市蓝拓洁净技术有限公司 A kind of shutter with rainproof function
CN209687329U (en) * 2018-10-16 2019-11-26 广州市鑫田净化设备有限公司 A kind of dust-proof anti-ponding type fan shutter
CN109494925A (en) * 2018-11-21 2019-03-19 高邮佳春科技有限公司 A kind of magneto of efficient damping
CN109356783A (en) * 2018-12-19 2019-02-19 宁波锦锐能源科技有限公司 A kind of new energy development wind power generation plant
CN209642470U (en) * 2019-04-18 2019-11-15 江西力玛机电科技有限公司 A kind of threephase asynchronous machine damping type mounting base
CN110190539A (en) * 2019-06-28 2019-08-30 国网山东省电力公司平阴县供电公司 One kind being used for electric power cabinet movable type radiation device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111441974A (en) * 2020-04-13 2020-07-24 绍兴上虞三禾风机有限公司 Fan with damper
CN111441974B (en) * 2020-04-13 2021-07-09 绍兴上虞三禾风机有限公司 Fan with damper
CN112803672A (en) * 2021-01-16 2021-05-14 河北上广网络科技有限公司 Single-bearing direct-drive wind generating set
CN112928864A (en) * 2021-01-21 2021-06-08 刘俊国 Environment-friendly bidirectional wind-driven automobile generator

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RJ01 Rejection of invention patent application after publication

Application publication date: 20200410

RJ01 Rejection of invention patent application after publication