CN222192027U - A power generation device with noise reduction function - Google Patents
A power generation device with noise reduction function Download PDFInfo
- Publication number
- CN222192027U CN222192027U CN202420761252.5U CN202420761252U CN222192027U CN 222192027 U CN222192027 U CN 222192027U CN 202420761252 U CN202420761252 U CN 202420761252U CN 222192027 U CN222192027 U CN 222192027U
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- Prior art keywords
- power generation
- sound
- sound absorption
- noise reduction
- sound absorbing
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- 238000010248 power generation Methods 0.000 title claims abstract description 41
- 230000009467 reduction Effects 0.000 title claims abstract description 31
- 229920000742 Cotton Polymers 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 34
- 230000008093 supporting effect Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 5
- 238000005422 blasting Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
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- Wind Motors (AREA)
Abstract
The utility model discloses power generation equipment with a noise reduction function, which comprises a generator shell, wherein one end of the generator shell is connected with a wind power generation fan blade through a safety frame, a sealing cover is fixed on the central end face of the wind power generation fan blade through a bolt, the inner circumference of the generator shell is fixedly connected with a sound absorption ring, sound absorption holes distributed at equal intervals are formed in the inner circumference of the sound absorption ring, a buffer piece is fixedly connected between every two rows of sound absorption holes, the sound absorption holes comprise cavities, wavy protrusions and grooves, the wavy protrusions are equidistantly arranged on the inner wall of the circumference of the sound absorption holes, and the grooves are equidistantly arranged in the inner wall, close to between every two wavy protrusions, of the sound absorption holes. The utility model enlarges the reflection and refraction areas of the sound waves, increases the friction and collision intensity between the sound waves and the inner wall of the sound absorption hole, increases the energy loss of the sound waves, improves the noise reduction quality, and is provided with the cavity connected by the sound absorption cotton at one side of the sound absorption hole, so that the sound waves resonate in the cavity, and increases the energy loss of the sound waves.
Description
Technical Field
The utility model relates to the technical field of power generation equipment, in particular to power generation equipment with a noise reduction function.
Background
Wind power generation is a renewable energy power generation mode which converts wind energy into electric energy. Wind power generation utilizes wind wheels (also called fans or wind generators) to rotate through wind energy to drive generators to generate electric energy. The basic principle of wind power generation is to convert the kinetic energy of wind into mechanical energy and then into electric energy through a generator. The main components of the wind power generation comprise a wind wheel, a generator, a control system and a power transmission system. Wind power plants are often installed on high towers in order to obtain higher wind energy. The wind wheel receives wind energy, and the wind wheel drives the generator to generate electric energy through rotation and then transmits the electric energy to the power grid through the power transmission system to supply power. The wind power generation has the characteristics of cleanness and reproducibility, does not generate greenhouse gases and other pollutants, and is environment-friendly. With advances in technology and reduced costs, wind power generation has become one of the major sources of energy in many areas of the world.
Through searching, the patent with the Chinese patent application number 2020101696701 discloses a noise reduction wind driven generator, a radiator in the wind driven generator is arranged on a supporting rod of the wind driven generator, and auxiliary radiating equipment of the radiator is arranged on the supporting rod. The auxiliary radiator comprises an air-blasting radiating mechanism, wherein the air-blasting radiating mechanism is positioned on the upper side of the radiator in the vertical direction, the air-blasting radiating mechanism comprises an air blower, a noise reduction cover and a first conical air blower barrel, the wide opening end of the first conical air blower barrel is arranged towards the radiator, the air outlet end of the air blower is communicated with the narrow opening end of the first conical air blower barrel, a sound insulation cavity is formed in the inner side wall of the noise reduction cover, and noise reduction cotton is arranged in the sound insulation cavity. One noise reduction wind driven generator in the above patent has the following disadvantages:
Although the noise of the blower is reduced by the whole device, the noise of the fan blade driving the generator set to work is not effectively eliminated in the power generation process, and further the noise problem of power generation still exists, so that a power generation device with the noise reduction function is needed.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides power generation equipment with a noise reduction function.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a power generation facility with function of making an uproar is fallen, includes the generator shell, the one end of generator shell is connected with wind power generation flabellum through the safety frame, and sealed lid passes through the bolt fastening on the central terminal surface of wind power generation flabellum, the interior circumference fixedly connected with of generator shell inhale the sound ring, and inhale the sound hole that the interior circumference of sound ring is provided with equidistance distribution, every two rows inhale the sound fixedly connected with bolster between the hole.
As a still further proposal of the utility model, the sound absorbing hole comprises a cavity, wavy bulges and grooves, and the wavy bulges are equidistantly arranged on the circumferential inner wall of the sound absorbing hole.
As a still further aspect of the utility model, the grooves are equally spaced from the sound absorbing holes in the inner wall adjacent between every two wave protrusions.
As a still further proposal of the utility model, the cavities are arranged in the inner wall of the sound absorbing ring near the outer circumference of each sound absorbing hole, and each cavity is connected with each other through sound absorbing cotton.
As a still further proposal of the utility model, the buffer piece comprises a flexible frame, an elastic net and a supporting frame, and the supporting frame is welded on the circumference inner wall of the sound absorbing ring, which is close to the space between every two groups of sound absorbing holes.
As a still further proposal of the utility model, the flexible frame is welded on the top and two sides of the supporting frame, and the elastic net is arranged on the outer surface of the flexible frame.
As a still further proposal of the utility model, the back of the generator shell is fixed with a sound-proof cover through bolts.
Compared with the prior art, the utility model has the following beneficial effects:
When the generator set in the generator shell works, generated sound waves enter each sound absorption hole, at the moment, the sound waves are reflected and refracted repeatedly, wave protrusions and grooves are arranged in the sound absorption holes, the sound wave reflection and refraction area is effectively enlarged, friction and collision strength between the sound waves and the inner wall of the sound absorption holes are increased, sound wave energy loss is greatly increased, noise reduction quality is effectively improved, meanwhile, a cavity connected through sound absorption cotton is formed in one side of each sound absorption hole, so that the sound waves resonate in the cavity, energy loss of the sound waves is increased, and sound absorption effect is improved.
When the generator set works, the buffer piece is tightly attached to the generator set, vibration generated by the generator set is transmitted through the flexible frame and weakened through the elastic net, the function of damping the generator set is effectively achieved, and between the buffer piece and the elastic net, the sound wave is transmitted from the sound absorption holes, the elastic net which collides with the periphery of the buffer piece is weakened again, so that the noise reduction efficiency and the noise reduction quality of the whole structure are greatly improved.
The top of the flexible frame adopts an equidistant diamond structure, thereby effectively promoting the attaching and supporting effects of the flexible frame and the generator set.
The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.
Drawings
FIG. 1 is a schematic diagram of a front view of a power generation device with noise reduction function according to the present utility model;
FIG. 2 is a schematic diagram of a back structure of a power generation device with noise reduction function according to the present utility model;
fig. 3 is a schematic structural diagram of a generator casing in a power generation device with noise reduction function according to the present utility model;
FIG. 4 is a schematic structural diagram of a buffer member in a power generation device with noise reduction function according to the present utility model;
fig. 5 is a schematic diagram of a partially cross-sectional structure of a sound absorbing hole in a power generating device with noise reduction function according to the present utility model.
In the figure, 1, a generator shell, 2, wind power generation fan blades, 3, a safety frame, 4, a sealing cover, 5, a sound insulation cover, 6, a sound absorption ring, 7, a sound absorption hole, 701, a cavity, 702, wave protrusions, 703, grooves, 8, a buffer piece, 801, a flexible frame, 802, an elastic net, 803 and a supporting frame.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
The power generation equipment with the noise reduction function comprises a power generation machine shell 1, wherein one end of the power generation machine shell 1 is connected with a wind power generation fan blade 2 through a safety frame 3, a sealing cover 4 is fixed on the central end face of the wind power generation fan blade 2 through bolts, a sound absorption ring 6 is fixedly connected to the inner circumference of the power generation machine shell 1, sound absorption holes 7 distributed at equal intervals are formed in the inner circumference of the sound absorption ring 6, a buffer piece 8 is fixedly connected between every two rows of sound absorption holes 7, and a sound insulation cover 5 is fixed on the back face of the power generation machine shell 1 through bolts;
The internal structure and principle of the wind generating set belong to the technology known to those skilled in the art, and the description is omitted herein.
In order to solve the noise generated by the generator set during the wind power generation, as shown in fig. 1, 2, 3 and 5, the sound absorbing holes 7 include cavities 701, wavy protrusions 702 and grooves 703, the wavy protrusions 702 are equidistantly arranged on the circumferential inner wall of the sound absorbing holes 7, the grooves 703 are equidistantly separated from the inner wall of the sound absorbing holes 7 close to between every two wavy protrusions 702, the cavities 701 are arranged in the inner wall of the sound absorbing ring 6 close to the outer circumference of each sound absorbing hole 7, and each cavity 701 is connected through sound absorbing cotton;
When the generator set in the generator shell 1 works, generated sound waves enter each sound absorption hole 7, at the moment, the sound waves are reflected and refracted repeatedly, wave protrusions 702 and grooves 703 are arranged in the sound absorption holes 7, the reflection and refraction areas of the sound waves are effectively enlarged, the friction and collision strength between the sound waves and the inner wall of the sound absorption holes 7 are increased, the sound wave energy loss is greatly increased, the noise reduction quality is effectively improved, meanwhile, a cavity 701 connected through sound absorption cotton is arranged on one side of the sound absorption holes 7, the sound waves resonate in the cavity, the energy loss of the sound waves is increased, and the sound absorption effect is improved.
In order to make the generator set work and to effectively damp the generator set, as shown in fig. 3 and 4, the buffer member 8 includes a flexible frame 801, an elastic net 802 and a supporting frame 803, the supporting frame 803 is welded to the inner wall of the sound absorbing ring 6 near the circumference between every two groups of sound absorbing holes 7, the flexible frame 801 is welded to the top and two sides of the supporting frame 803, and the elastic net 802 is disposed on the outer surface of the flexible frame 801;
The top of the flexible frame 801 adopts an equidistant diamond structure, so that the attaching and supporting effects of the flexible frame 801 and the generator set are effectively promoted;
When the generator set works, the buffer part 8 is tightly attached to the generator set, vibration generated by the generator set is transmitted through the flexible frame 801 and weakened through the elastic net 802, so that the function of damping the generator set is effectively achieved, and when sound waves are transmitted from the sound absorption holes 7, the elastic net 802 colliding with the periphery of the buffer part 8 is weakened again, and the noise reduction efficiency and the noise reduction quality of the whole structure are greatly improved.
The working principle is that when a generator set in the generator shell 1 works, generated sound waves enter each sound absorption hole 7, at the moment, the sound waves are reflected and refracted repeatedly, wave protrusions 702 and grooves 703 are arranged in the sound absorption holes 7, the reflection and refraction areas of the sound waves are effectively enlarged, friction and collision intensity between the sound waves and the inner wall of the sound absorption holes 7 are increased, the sound wave energy loss is greatly increased, when the generator set works, the buffer piece 8 is closely attached to the generator set, vibration generated by the generator set is transmitted through the flexible frame 801 and is weakened through the elastic net 802, and the elastic net 802 which collides with the periphery of the buffer piece 8 is weakened again when the sound waves are transmitted from the sound absorption holes 7.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420761252.5U CN222192027U (en) | 2024-04-15 | 2024-04-15 | A power generation device with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420761252.5U CN222192027U (en) | 2024-04-15 | 2024-04-15 | A power generation device with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222192027U true CN222192027U (en) | 2024-12-17 |
Family
ID=93824549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420761252.5U Active CN222192027U (en) | 2024-04-15 | 2024-04-15 | A power generation device with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222192027U (en) |
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2024
- 2024-04-15 CN CN202420761252.5U patent/CN222192027U/en active Active
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