CN113669200A - Noise reduction device of wind driven generator - Google Patents

Noise reduction device of wind driven generator Download PDF

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Publication number
CN113669200A
CN113669200A CN202111061977.0A CN202111061977A CN113669200A CN 113669200 A CN113669200 A CN 113669200A CN 202111061977 A CN202111061977 A CN 202111061977A CN 113669200 A CN113669200 A CN 113669200A
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CN
China
Prior art keywords
generation module
power generation
plate
arc
noise reduction
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.)
Withdrawn
Application number
CN202111061977.0A
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Chinese (zh)
Inventor
朱耿峰
徐世铭
邢伟琦
李海建
宋庆华
孙超
汝少利
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.)
New Energy Branch of Huaneng Qinghai Power Generation Co Ltd
Original Assignee
New Energy Branch of Huaneng Qinghai 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 New Energy Branch of Huaneng Qinghai Power Generation Co Ltd filed Critical New Energy Branch of Huaneng Qinghai Power Generation Co Ltd
Priority to CN202111061977.0A priority Critical patent/CN113669200A/en
Publication of CN113669200A publication Critical patent/CN113669200A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0296—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
    • F03D1/0641—Rotors characterised by their aerodynamic shape of the blades of the section profile of the blades, i.e. aerofoil profile
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • 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

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a noise reduction device of a wind driven generator, which comprises a generator main body, wherein the generator main body comprises a base, a vertical rod, a power generation module and a rotating fan, the rotating fan is installed at one end of the power generation module, an arc-shaped structure is arranged on the surface of one end of the power generation module, a vertical hole is formed in the middle of the arc-shaped structure, an upper sound insulation layer is installed at the top end of the power generation module, a lower sound insulation layer is installed at the bottom end of the power generation module, connecting belts are installed on two sides of the upper sound insulation layer, the power generation module sequentially comprises a rotor, a stator and a yaw motor in sequence, a separation plate is installed at one end of the yaw motor, and a separation layer is installed in the middle of one end of the separation plate. According to the invention, based on the small wind power generation structure, the structure with the noise reduction function is arranged inside, the influence of decibels is gradually reduced in the process of transmitting sound from inside to outside according to the wave transmission phenomenon of the sound, and the noise in the wind power generation process is further reduced in the small wind power generation structure in a mode of cost performance and convenience for disassembly and assembly.

Description

Noise reduction device of wind driven generator
Technical Field
The invention relates to the field of wind power generation, in particular to a noise reduction device of a wind driven generator.
Background
Wind power generation refers to converting kinetic energy of wind into electric energy. Wind energy is a clean and pollution-free renewable energy source, and is used by people for a long time, mainly water pumping, surface grinding and the like are performed through a windmill, people are interested in how to generate electricity by using wind, and generally the electricity generation needs to adopt a generator set combined with rotating fan blades and combined with a yaw motor to form electricity generation operation according to a rotor structure formed by the generator set.
However, in the power generation process, due to the noise generated by the generator transmission chain in the cabin of the wind power generation itself and the relatively high noise generated by the rotation of the blades sweeping the air flow, both large wind power generation mechanisms and small wind power generation mechanisms have certain noise, and if the noise decibels are too high, the hearing and rest of people in the surrounding residences and workers are affected, and finally the health condition of the individual body is affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a noise reduction device of a wind driven generator.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention discloses a noise reduction device of a wind driven generator, which comprises a generator main body, wherein the generator main body comprises a base, an upright rod, a power generation module and a rotating fan, the upright rod is arranged in the middle of the top end of the base and is in a conical shape, the power generation module is arranged at the top end of the upright rod, the rotating fan is arranged at one end of the power generation module, the power generation module is in transmission connection with the rotating fan, an arc-shaped structure is arranged on the surface of one end of the power generation module, a vertical hole is formed in the middle of the arc-shaped structure, an upper sound insulation layer is arranged at the top end of the power generation module, a lower sound insulation layer is arranged at the bottom end of the power generation module, connecting belts are arranged on two sides of the upper sound insulation layer, an embedded disc is arranged on the inner side of the upper sound insulation layer, a heat dissipation fan is arranged at the top end of the embedded disc, a heat conduction plate is arranged at the bottom end of the embedded disc, and the power generation module sequentially comprises a rotor, a rotating fan and a rotating fan, Stator and yaw motor, the division board is installed to yaw motor's one end, and the one end mid-mounting of division board has the separate layer, the hang plate is installed to the bottom side of separate layer, the surface of division board is provided with the inclined hole, the one end of stator is provided with the vertical plate, and the surface of its vertical plate is provided with into the sound hole.
As a preferred technical scheme of the invention, the rotating fan comprises fan blades, one end of each fan blade is provided with an arc-shaped triangular structure, the surface of the arc-shaped triangular structure is provided with a transverse groove, the arc-shaped triangular structure further comprises an installation edge, an arc-shaped edge and a wind breaking edge, and the wind breaking edge is arranged in a sheet shape.
As a preferred technical scheme of the present invention, the vertical plate and the isolation plate are both fixedly connected to an inner wall of the power generation module and are arranged in a sealing structure, two ends of the sound input hole are both in a horn-shaped structure, the middle portion of the sound input hole is arranged in a cylindrical shape, the sound input hole is respectively arranged at two sides of the vertical plate, and the yaw motor is arranged between the vertical plate and the isolation plate.
In a preferred embodiment of the present invention, the partition board and the separation layer are fixedly connected, the inclined holes are vertically symmetrically arranged around the separation layer as an axis, the inclined angle of the inclined holes is inclined by 15 degrees, the inclined board and one end of the vertical hole are vertically arranged in a corresponding manner, and the vertical holes are uniformly distributed.
As a preferred technical scheme of the invention, the heat conducting plate is embedded in the inner wall of the power generation module, the heat conducting plate and the embedding plate are connected through the fixing bolt, the heat conducting plate and the embedding plate are both made of copper metal materials, and the embedding plate is fixedly connected with the radiating fan.
As a preferred technical scheme of the invention, the upper sound insulation layer is composed of sound insulation cotton and a liquid temperature layer, the liquid temperature layer is coated by the sound insulation cotton, the liquid temperature layer is composed of ABS flexible plastic on the surface and temperature conduction liquid inside, and the liquid temperature layer is in contact with the embedded disc.
As a preferable technical scheme of the present invention, the upper sound-insulating layer and the lower sound-insulating layer are fixedly connected by a connecting band, and the connecting band is made of a rubber material.
Compared with the prior art, the invention has the following beneficial effects:
1: according to the invention, based on the small wind power generation structure, the structure with the noise reduction function is arranged inside, the influence of decibels is gradually reduced in the process of transmitting sound from inside to outside according to the wave transmission phenomenon of the sound, and the noise in the wind power generation process is further reduced in the small wind power generation structure in a mode of cost performance and convenience for disassembly and assembly.
2: according to the invention, the arc-shaped triangular structure is arranged on the basis of the fan blades according to the self components of the generator main body, so that the fan blades can further enable the air flow to generate local rotation in the state of cutting the air flow, and the sound waves and the air flow are concentrated on the inner side of the fan core, thereby reducing the noise of the air flow in the cutting state.
3: the invention is based on the arc triangular structure, the top end of the power generation module is further provided with a fan capable of radiating according to the concentrated air flow, surface radiation is formed according to internal heat conduction, and heat exchange is formed in a space which is easy to heat by adopting the most basic heat radiation structure.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is a cross-sectional view of the power generation module of the present invention;
FIG. 4 is a schematic view of the arcuate triangular structure of the present invention;
in the figure: 1. a generator main body; 101. a base; 102. erecting a rod; 103. a power generation module; 104. rotating the fan; 2. an arc-shaped structure; 201. a vertical hole; 3. an upper sound insulation layer; 301. sound insulation cotton; 302. a liquid temperature layer; 4. a lower sound insulating layer; 5. a connecting belt; 6. embedding a disc; 601. a heat radiation fan; 602. a heat conducting plate; 7. a rotor; 701. a stator; 702. a yaw motor; 703. a separator plate; 704. a separation layer; 705. an inclined plate; 706. an inclined hole; 707. a vertical plate; 708. a sound inlet hole; 8. a fan blade; 801. an arc-shaped triangular structure; 802. a transverse groove; 803. installing edges; 804. an arc-shaped edge; 805. and (5) breaking the wind.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example 1
As shown in fig. 1-4, the invention provides a noise reduction device for a wind driven generator, which comprises a generator main body 1, wherein the generator main body 1 comprises a base 101, an upright rod 102, a power generation module 103 and a rotating fan 104, the upright rod 102 is installed in the middle of the top end of the base 101, the power generation module 103 is installed at the top end of the upright rod 102, the rotating fan 104 is installed at one end of the power generation module 103, the power generation module 103 and the rotating fan 104 are in transmission connection, an arc-shaped structure 2 is arranged on the surface of one end of the power generation module 103, a vertical hole 201 is formed in the middle of the arc-shaped structure 2, an upper noise insulation layer 3 is installed at the top end of the power generation module 103, a lower noise insulation layer 4 is installed at the bottom end of the power generation module 103, connecting bands 5 are installed on both sides of the upper noise insulation layer 3, an embedded disk 6 is installed on the inner side of the upper noise insulation layer 3, and a heat dissipation fan 601 is installed at the top end of the embedded disk 6, the bottom end of the embedding disc 6 is provided with a heat conducting plate 602, the interior of the power generation module 103 sequentially comprises a rotor 7, a stator 701 and a yaw motor 702, one end of the yaw motor 702 is provided with a separating plate 703, the middle part of one end of the separating plate 703 is provided with a separating layer 704, the bottom side of the separating layer 704 is provided with an inclined plate 705, the surface of the separating plate 703 is provided with an inclined hole 706, one end of the stator 701 is provided with a vertical plate 707, and the surface of the vertical plate 707 is provided with a sound inlet 708.
Further, the rotating fan 104 comprises a fan blade 8, an arc-shaped triangular structure 801 is installed at one end of the fan blade 8, a transverse groove 802 is arranged on the surface of the arc-shaped triangular structure 801, the arc-shaped triangular structure 801 further comprises an installation edge 803, an arc-shaped edge 804 and a wind breaking edge 805, and the wind breaking edge 805 is in a sheet shape.
The vertical plate 707 and the isolation plate 703 are both fixedly connected to the inner wall of the power generation module 103 and are arranged in a sealing structure, the two ends of the sound inlet 708 are both in a horn-shaped structure, the middle portion of the sound inlet 708 is arranged in a cylindrical shape, the sound inlet 708 is respectively arranged on two sides of the vertical plate 707, and the yaw motor 702 is arranged between the vertical plate 707 and the isolation plate 703.
The partition board 703 and the partition layer 704 are fixedly connected, the inclined holes 706 are disposed vertically symmetrically with the partition layer 704 as an axis, the inclined angle of the inclined hole 706 is 15 degrees inclined vertically, the inclined board 705 is disposed vertically corresponding to one end of the vertical hole 201, and the vertical holes 201 are uniformly distributed.
The heat-conducting plate 602 is inlaid in the inner wall of the power generation module 103, the heat-conducting plate 602 and the inlaid plate 6 are connected through a fixing bolt, the heat-conducting plate 602 and the inlaid plate are both made of copper metal materials, and the inlaid plate 6 and the cooling fan 601 are fixedly connected.
The upper sound insulation layer 3 is composed of sound insulation cotton 301 and a liquid temperature layer 302, the liquid temperature layer 302 is arranged by being covered by the sound insulation cotton 301, the liquid temperature layer 302 is composed of ABS flexible plastic on the surface and temperature conduction liquid inside, and the liquid temperature layer 302 is contacted with the embedded disk 6.
The upper sound-proof layer 3 and the lower sound-proof layer 4 are fixedly connected through a connecting belt 5, and the connecting belt 5 is made of rubber materials.
Specifically, the generator main body 1 is a small-sized power generation structure, and is mainly composed of a base 101, a vertical rod 102, a power generation module 103, and a rotating fan 104, which are conventional structural parts, and the power generation module 103 is driven by the rotating fan 104 to generate power.
The inside of the power generation module 103 is a basic power generation structure formed by the rotor 7 and the stator 701, and the yaw motor 702 forms a steering effect for vertical induction of wind power, the internal space is divided according to the partition board 703 and the vertical board 707, because the noise in the inside is mainly formed by the rotor 7 and the yaw motor 702, after the noise is emitted, the sound inlet hole 708 at the vertical board 707 receives the sound wave from the whole sound wave through the sound holes 708 in the shape of trumpet at both ends and diffracts the sound wave into a plurality of sound sources, the noise emitted in the yaw motor 702 is combined and then is divided into two sound waves at the upper part and the lower part according to the inclined hole 706 of the partition board 703, because the sound waves face different directions at the upper end and the lower end respectively, the sound wave at the upper part is mainly reflected by the sound wave formed at the top of the arc-shaped structure 2, and the sound wave at the bottom part is reflected by the inclined board 705, and the reflected sound waves at the two parts are different distances, and the sound wave is the isogenesis, has the sound wave offset of small amplitude under the same state of amplitude, further upwards disperses according to perpendicular hole 201 again at last, can further reduce the vocal intensity of internal noise, and the overall structure of inside weakens according to multilayer sound wave amplitude based on two sound sources, can reduce the decibel of noise when spreading to the outside.
The noise generated by cutting the airflow at the rotating fan 104 is mainly reduced based on the arc-shaped triangular structure 801, the arc-shaped triangular structure 801 is mainly arranged in a shark fin shape, the center of the arc-shaped triangular structure is in a concave arc shape, the thin wind breaking piece 805 and the arc piece 804 are arranged, the arc-shaped triangular structure is arranged on the surface of the fan blade 8 according to the mounting edge 802, when the arc-shaped triangular structure faces the airflow, the wind breaking edge 805 is mainly contacted with the upper part of the arc-shaped triangular structure firstly, the cutting is formed on the upper part of the arc-shaped triangular structure, the potential difference is formed by the thicker arc-shaped edge 804 of the cut airflow, the wind power at the airflow position is gathered inwards through the transverse groove 802, the sound wave is transmitted to the center according to the potential difference of the airflow, the airflow gathered on the inner side of the fan blade 8 is further blown to the power generation module 103 according to the oriented wind power, the sound wave is laminated in a mutually wavy manner from the inner side of a single divergent point of the blade, under the condition that the thicknesses of a plurality of the arc-shaped edges 804 of the arc-shaped triangular structure 801 are different, the amplitude of the sound wave is changed, so as to affect each other until the amplitude of the sound wave is reduced, finally, noise decibel is reduced, meanwhile, the gathered airflow drives the radiating fan 601 to further rotate, and the radiating fan 601 is connected with the heat conducting plate 602 through the embedded disc 6, so that the heat conducting plate 602 in the radiating fan 601 further forms heat exchange between the inside and the outside, heat generated during power generation is reduced, a natural cooling effect is formed, and particularly, the radiating degree of the radiating fan is also linked according to the power generation power.
Then all set up by last puigging 3 and lower puigging 4 at the top and the bottom of electricity generation module 103, make the noise of outside and the inside noise reduction of electricity generation module 103 influence each other according to connecting band 5, soundproof cotton 301 will also absorb the noise that partly outside formed, and because last puigging 3 adopted soundproof cotton 301 and liquid temperature layer 302, consequently liquid temperature layer 302 will also assist and absorb the heat at the top gathering to electricity generation module 103 is inside, and form heat dissipation phenomenon by inlaying dish 6 and radiator fan 601.
Its overall structure is simple, easy dismounting, can further improve on the basis based on current structure and reduce original produced noise, small-size wind power generation among the prior art is the technique of making an uproar that falls of integration at present, can't combine the wind power generation of older formula to constitute the noise reduction effect, and overall structure all adopts and is supplementary to fall and makes an uproar, can dismouting and maintenance at will under the condition that does not influence former function to adopt the mode that more has the price/performance ratio to reach the heat dissipation, fall and make an uproar and maintain the beneficial effect of electricity generation.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a aerogenerator noise reduction device, includes generator main body (1), generator main body (1) includes base (101), pole setting (102), electricity generation module (103) and rotatory fan (104), its characterized in that, the top mid-mounting of base (101) has pole setting (102), pole setting (102) are the toper setting, and electricity generation module (103) are installed on the top of its pole setting (102), and rotatory fan (104) are installed to the one end of electricity generation module (103), and electricity generation module (103) and rotatory fan (104) are the transmission connection, the one end surface of electricity generation module (103) is provided with arc structure (2), and the middle part of its arc structure (2) is provided with vertical hole (201), last puigging (3) is installed on the top of electricity generation module (103), and lower floor (4) are installed to the bottom of electricity generation module (103), connecting band (5) are all installed to the both sides of last puigging (3), it inlays dish (6) to install the inboard of puigging (3) on it, inlays the top of dish (6) and installs radiator fan (601), heat-conducting plate (602) are installed to the bottom of inlaying dish (6), the inside of electricity generation module (103) is including rotor (7), stator (701) and yaw motor (702) in proper order, division board (703) are installed to the one end of yaw motor (702), and the one end mid-mounting of division board (703) has separate layer (704), hang plate (705) are installed to the bottom side of separate layer (704), the surface of division board (703) is provided with inclined hole (706), the one end of stator (701) is provided with vertical plate (707), and the surface of its vertical plate (707) is provided with into sound hole (708).
2. The wind driven generator noise reduction device according to claim 1, wherein the rotating fan (104) comprises a fan blade (8), an arc-shaped triangular structure (801) is installed at one end of the fan blade (8), a transverse groove (802) is arranged on the surface of the arc-shaped triangular structure (801), the arc-shaped triangular structure (801) further comprises an installation edge (803), an arc-shaped edge (804) and a wind breaking edge (805), and the wind breaking edge (805) is arranged in a sheet shape.
3. The wind driven generator noise reduction device according to claim 1, wherein the vertical plate (707) and the isolation plate (703) are both fixedly connected to the inner wall of the power generation module (103) and are arranged in a sealing structure, both ends of the sound inlet hole (708) are both in a horn-shaped structure, the middle of the sound inlet hole is arranged in a cylindrical shape, the sound inlet hole (708) is respectively arranged at both sides of the vertical plate (707), and the yaw motor (702) is arranged between the vertical plate (707) and the isolation plate (703).
4. A wind power generator noise reduction device according to claim 3, wherein the isolation plate (703) and the separation layer (704) are fixedly connected, the inclined holes (706) are vertically symmetrically arranged by taking the separation layer (704) as an axis, the inclined angle of the inclined holes (706) is up and down 15 degrees, the inclined plate (705) and one end of the vertical hole (201) are vertically arranged correspondingly, and the vertical holes (201) are uniformly distributed.
5. The wind driven generator noise reduction device according to claim 4, wherein the heat conducting plate (602) is embedded at the inner wall of the power generation module (103), the heat conducting plate (602) and the embedding plate (6) are connected through fixing bolts, the heat conducting plate (602) and the embedding plate are both made of copper metal materials, and the embedding plate (6) and the heat dissipation fan (601) are fixedly connected.
6. A wind power generator noise reduction device according to claim 5, characterized in that the upper sound insulation layer (3) is composed of sound insulation cotton (301) and a liquid temperature layer (302), the liquid temperature layer (302) is covered by the sound insulation cotton (301), the liquid temperature layer (302) is composed of ABS flexible plastic on the surface and temperature conduction liquid inside, and the liquid temperature layer (302) is contacted with the mosaic disk (6).
7. Wind turbine noise reduction device according to claim 6, wherein the upper and lower sound insulation layers (3, 4) are fixedly connected by a connecting band (5), and the connecting band (5) is made of rubber material.
CN202111061977.0A 2021-09-10 2021-09-10 Noise reduction device of wind driven generator Withdrawn CN113669200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111061977.0A CN113669200A (en) 2021-09-10 2021-09-10 Noise reduction device of wind driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111061977.0A CN113669200A (en) 2021-09-10 2021-09-10 Noise reduction device of wind driven generator

Publications (1)

Publication Number Publication Date
CN113669200A true CN113669200A (en) 2021-11-19

Family

ID=78549054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111061977.0A Withdrawn CN113669200A (en) 2021-09-10 2021-09-10 Noise reduction device of wind driven generator

Country Status (1)

Country Link
CN (1) CN113669200A (en)

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