CN210110337U - Noise elimination device for tower bottom radiator of wind generating set - Google Patents
Noise elimination device for tower bottom radiator of wind generating set Download PDFInfo
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- CN210110337U CN210110337U CN201920482756.2U CN201920482756U CN210110337U CN 210110337 U CN210110337 U CN 210110337U CN 201920482756 U CN201920482756 U CN 201920482756U CN 210110337 U CN210110337 U CN 210110337U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a noise elimination device for a tower bottom radiator of a wind generating set, which comprises a shell, waterproof noise elimination glass wool, a first noise elimination sheet, a second noise elimination sheet and a falcate flow deflector, wherein the shell is of an inverted L-shaped hollow tubular structure, the inlet of the tower is connected with the tower bottom radiator through a shockproof fastening bolt, the outlet of the tower is opened downwards, the inner wall of the tower is bonded with silencing glass wool through gluing, the inner channel of the shell is an inlet channel, an elbow channel and an outlet channel in sequence, a plurality of first silencing pieces are horizontally arranged in the inlet channel, a plurality of second silencing pieces are vertically arranged in the outlet channel, the two sides of the second silencing pieces are bonded to the shell through gluing, the elbow channel is of a 45-degree fan-shaped structure, and the crescent flow deflectors are arranged in the elbow channel and bonded to the shell through gluing. The utility model provides a noise reduction's problem is fallen to wind generating set tower bottom radiator.
Description
Technical Field
The utility model belongs to the technical field of the technique of wind generating set radiator and specifically relates to indicate a noise eliminator that is used for radiator at the bottom of wind generating set tower.
Background
In recent years, the noise problem of wind turbines is more and more prominent, and the emphasis on the noise problem is also increased. The noise of the cooling fan contributes greatly to the radiation of the noise of the wind turbine. At present, a radiator of a converter of a large-scale wind generating set is generally arranged at the bottom of a tower barrel and is exposed outside the tower barrel. The noise that the radiator during operation produced can cause certain pollution to the surrounding environment, especially the wind turbine generator system that is close apart from the residential block. In order to meet the market demand, an effective silencer of the radiator is urgently needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a simple structure, with low costs, transportation simple installation, heat dispersion are good, furthest reduce the noise eliminator for wind generating set tower bottom radiator.
In order to achieve the above object, the present invention provides a technical solution: a noise elimination device for a tower bottom radiator of a wind generating set comprises a shell, waterproof noise elimination glass wool, first noise elimination sheets, second noise elimination sheets and a falcate flow deflector, wherein the shell is of an inverted-L-shaped hollow tubular structure, an inlet of the shell is connected with the tower bottom radiator through a shockproof fastening bolt, an outlet of the shell is opened downwards and keeps a distance with the ground for preventing dust and rainwater, the inner wall of the shell is bonded with the noise elimination glass wool through gluing, an inner channel of the shell sequentially comprises an inlet channel, an elbow channel and an outlet channel, a plurality of first noise elimination sheets are horizontally arranged in the inlet channel, two sides of the plurality of first noise elimination sheets are bonded to the shell through gluing, one ends of the first noise elimination sheets at the inlet are arranged in an inwards-concave arc shape from top to bottom so as to adapt to the structure of the outlet of the tower bottom radiator, and the other ends of the first noise elimination sheets are arranged at one side edge of a fan-shaped, the outlet channel is internally and vertically provided with a plurality of second silencing pieces, the two sides of the second silencing pieces are bonded to the shell through gluing, one ends of the second silencing pieces, which are positioned at the outlet, are flush with the edge of the shell, the other ends of the second silencing pieces are cut off at the other side edge of the fan-shaped structure of the elbow channel and are arranged in a step shape, the elbow channel is of a 45-degree fan-shaped structure, the outer arc structure of the fan-shaped structure can ensure the minimum pressure loss from the inlet channel to the outlet channel, and the crescent guide pieces are arranged in the elbow channel and bonded to the shell through gluing, so that the maximization of silencing quantity is realized.
Furthermore, the tower bottom radiators are grouped in a plurality of groups, a plurality of vertically arranged silencing partition plates are glued and bonded in the inlet channel of the shell, and the silencing partition plates are vertically bonded with the horizontally arranged first silencing sheets and used for horizontally dividing the inlet of the shell into a plurality of branch inlets with the same number as the tower bottom radiators, namely one branch inlet corresponds to one tower bottom radiator, and the horizontal width of each branch inlet is the same as the width of the tower bottom radiator.
Furthermore, the two ends of the first silencing sheet and the second silencing sheet are both of 60-degree wedge sound absorption structures, and the wedge sound absorption structures are used for reducing noise and ensuring smooth air flow.
Furthermore, a support frame is arranged between the noise elimination device and the tower cylinder wall of the wind driven generator set.
Furthermore, the shell is made of a common steel plate and is coated with anticorrosive paint.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
1. the utility model discloses adopt fastening bolt connection that takes precautions against earthquakes with the radiator to adopt the support frame protection, the installation is simple, and the transportation is convenient.
2. The utility model discloses a casing adopts ordinary steel sheet, and convenient for material selection, inner wall adopt can waterproof noise elimination glass cotton, and this material is the material of making an uproar falls in general specialty, and the quality is light, the cost is low, the durability is high, the noise reduction effect is good.
3. The utility model discloses the width of first, second noise damping piece, clearance and wedge sound-absorbing structure combine the structural feature and the noise radiation characteristics of radiator, can guarantee furthest reduction noise radiation.
4. The utility model discloses the arrangement that first noise elimination piece is located the entrance is the arc, satisfies the structural feature and the noise radiation characteristics of radiator export, and the elbow passageway is fan-shaped structure and installs crescent water conservancy diversion piece additional, and the noise that can attenuate once more to guarantee the unobstructed of air current.
5. The utility model discloses exit channel's length design considers the mounted position and the height of radiator at the bottom of the tower to and noise attenuation effect, and the exit opening is downward, can prevent dirt miscellaneous and rainwater, and the accessible ground carries out the secondary decay to the noise.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a left side sectional view of the present invention.
Fig. 3 is an installation diagram of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
As shown in fig. 1 and 2, the noise eliminator for a tower bottom radiator of a wind turbine generator system according to this embodiment includes a casing 1, waterproof noise elimination glass wool 2, a first noise elimination sheet 3, a second noise elimination sheet 4, a meniscus baffle 5 and a noise elimination partition plate 9, where the casing 1 is an inverted L-shaped hollow tubular structure and is made of a common steel plate coated with an anticorrosive paint, the inner wall of the casing is bonded with the noise elimination glass wool 2 by gluing, an internal hollow channel of the casing 1 is an inlet channel 11, an elbow channel 12 and an outlet channel 13, the inlet channel 11 is horizontally provided with a plurality of first noise elimination sheets 3, two sides of the first noise elimination sheets 3 are bonded to the casing 1 by gluing, the thickness of each first noise elimination sheet 3 is 40mm, two ends of each first noise elimination sheet are both provided with a 60-degree wedge sound absorption structure, a distance between every two first noise elimination sheets 3 is 60mm, the noise reduction and air flow smoothness guarantee are achieved, one ends of the second silencing pieces 4, which are located at an inlet, are arranged in an inwards concave arc shape from top to bottom to adapt to the structure of an outlet of a tower bottom radiator 6, the other ends of the second silencing pieces 4 are arranged in a step shape by ending at one side of a fan-shaped structure of an elbow channel 12, a plurality of second silencing pieces 4 are vertically arranged in an outlet channel 13, two sides of each second silencing piece 4 are bonded to a shell 1 through gluing, the thickness of each second silencing piece 4 is 40mm, two ends of each second silencing piece are of 60-degree wedge-shaped sound absorption structures, the distance between every two second silencing pieces 4 is 60mm, one ends of the second silencing pieces, which are located at the outlet, are flush with the edge of the shell 1, the other ends of the second silencing pieces are arranged in a step shape by ending at the other side of the fan-shaped structure of the elbow channel 12, the fan-shaped structure of, the crescent-shaped guide vane 5 is bonded to the shell 1 through gluing, and an outer arc structure of a fan-shaped structure is added, so that the pressure loss in a channel of an air flow is ensured to be minimum, and the maximum noise elimination amount is realized.
The tower bottom radiators 6 are grouped in a plurality of sets (taking 3 sets as an example), a plurality of silencing partition plates 9 (taking 2 sets as an example) are vertically bonded in the inlet channel 11 of the shell 1 through gluing, the 2 silencing partition plates 9 are vertically bonded with the first silencing sheets 3 which are horizontally arranged and used for horizontally dividing the inlet of the shell 1 into a plurality of branch inlets with the same number as the tower bottom radiators 6, namely one branch inlet corresponds to one tower bottom radiator 6, the horizontal width of each branch inlet is the same as the width of the tower bottom radiator 6 and is 1000mm, and the operation state of each radiator 6 is determined according to the working condition of the wind generating set.
As shown in fig. 3, the inlet of the silencer is connected with the tower bottom radiator 6 through 16 sets of shockproof fastening bolts, the outlet of the silencer faces downwards and keeps a distance from the ground, so that smooth airflow and noise attenuation can be ensured, dust and rain can be prevented from accumulating, and a support frame 8 is arranged between the bottom of the silencer and the tower wall of the tower 7 of the wind generating set and is connected through the shockproof fastening bolts.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a noise eliminator for wind generating set tower bottom radiator which characterized in that: the water-proof noise reduction device comprises a shell, waterproof noise reduction glass wool, a first noise reduction sheet, a second noise reduction sheet and a falcate flow deflector, wherein the shell is of an inverted L-shaped hollow tubular structure, an inlet of the shell is connected with a tower bottom radiator through a shockproof fastening bolt, an outlet of the shell is provided with a downward opening and keeps a distance with the ground for preventing dust and rainwater, the inner wall of the shell is bonded with the noise reduction glass wool through gluing, an inner channel of the shell sequentially comprises an inlet channel, an elbow channel and an outlet channel, a plurality of first noise reduction sheets are horizontally arranged in the inlet channel, two sides of the plurality of first noise reduction sheets are bonded to the shell through gluing, one ends of the first noise reduction sheets positioned at the inlet form concave arc arrangement from top to bottom so as to adapt to the structure of the outlet of the tower bottom radiator, the other ends of the first noise reduction sheets are arranged at one side of the elbow channel fan-shaped structure in a ladder shape, and a plurality of, the two sides of the second silencing pieces are bonded to the shell through gluing, one ends of the second silencing pieces, which are located at the outlet, are flush with the edge of the shell, the other ends of the second silencing pieces are arranged on the other side edge of the fan-shaped structure of the elbow channel in a step shape, the elbow channel is of a 45-degree fan-shaped structure, the outer arc structure of the fan-shaped structure can ensure that the pressure loss from the inlet channel to the outlet channel is minimum, the crescent flow guide pieces are arranged in the elbow channel and bonded to the shell through gluing, and the maximization of silencing amount is realized.
2. The muffling device for the tower bottom radiator of the wind generating set according to claim 1, wherein: the tower bottom radiators are in a group, a plurality of vertically arranged silencing partition plates are glued and bonded in the inlet channels of the shell, the silencing partition plates are vertically bonded with the horizontally arranged first silencing sheets and used for horizontally dividing the inlet of the shell into a plurality of branch inlets with the same number as the tower bottom radiators, namely one branch inlet corresponds to one tower bottom radiator, and the horizontal width of each branch inlet is the same as the width of the tower bottom radiator.
3. The muffling device for the tower bottom radiator of the wind generating set according to claim 1, wherein: and both ends of the first silencing sheet and the second silencing sheet are of 60-degree wedge sound absorption structures, and the wedge sound absorption structures are used for reducing noise and ensuring smooth air flow.
4. The muffling device for the tower bottom radiator of the wind generating set according to claim 1, wherein: and a support frame is arranged between the noise elimination device and the tower cylinder wall of the wind driven generator set.
5. The muffling device for the tower bottom radiator of the wind generating set according to claim 1, wherein: the shell is made of a common steel plate and is coated with anticorrosive paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482756.2U CN210110337U (en) | 2019-04-11 | 2019-04-11 | Noise elimination device for tower bottom radiator of wind generating set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920482756.2U CN210110337U (en) | 2019-04-11 | 2019-04-11 | Noise elimination device for tower bottom radiator of wind generating set |
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| CN210110337U true CN210110337U (en) | 2020-02-21 |
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| CN201920482756.2U Active CN210110337U (en) | 2019-04-11 | 2019-04-11 | Noise elimination device for tower bottom radiator of wind generating set |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271232A (en) * | 2020-03-12 | 2020-06-12 | 陈常军 | Noise-reduction wind driven generator |
| CN111928689A (en) * | 2020-07-23 | 2020-11-13 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Printed circuit board type heat exchanger with noise elimination function |
| CN116576325A (en) * | 2023-07-13 | 2023-08-11 | 江苏华东正大空调设备有限公司 | Muffler for ventilating duct |
-
2019
- 2019-04-11 CN CN201920482756.2U patent/CN210110337U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111271232A (en) * | 2020-03-12 | 2020-06-12 | 陈常军 | Noise-reduction wind driven generator |
| CN111271232B (en) * | 2020-03-12 | 2021-12-24 | 贵州汇杰兴邦物联科技有限公司 | Noise-reduction wind driven generator |
| CN111928689A (en) * | 2020-07-23 | 2020-11-13 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Printed circuit board type heat exchanger with noise elimination function |
| CN111928689B (en) * | 2020-07-23 | 2021-12-03 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Printed circuit board type heat exchanger with noise elimination function |
| CN116576325A (en) * | 2023-07-13 | 2023-08-11 | 江苏华东正大空调设备有限公司 | Muffler for ventilating duct |
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