CN206175330U - Wind generating set and device of making an uproar falls in cabin cooling fan thereof - Google Patents

Wind generating set and device of making an uproar falls in cabin cooling fan thereof Download PDF

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Publication number
CN206175330U
CN206175330U CN201621156619.2U CN201621156619U CN206175330U CN 206175330 U CN206175330 U CN 206175330U CN 201621156619 U CN201621156619 U CN 201621156619U CN 206175330 U CN206175330 U CN 206175330U
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CN
China
Prior art keywords
noise
reducing
separation
denoising device
opening
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CN201621156619.2U
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Chinese (zh)
Inventor
肖航
陶友传
王亚军
黄金余
冀满忠
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.)
China Shipbuilding Heavy Industry offshore wind power Limited by Share Ltd
Original Assignee
CSIC (CHONGQING) HAIZHUANG WINDPOWER EQUIPMENT Co Ltd
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Priority to CN201621156619.2U priority Critical patent/CN206175330U/en
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    • 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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Abstract

The utility model discloses a device of making an uproar falls in cabin cooling fan, including the lobe that falls make an uproar mechanism and tubular structure, it includes noise reduction part spare and falls the support of making an uproar to fall the mechanism that makes an uproar, the shell structure of noise reduction part spare for being equipped with the cavity cavity, the central point of one side quotation of noise reduction part spare puts and is equipped with outside convex arch, first opening and opposite side opening the second opening for be used for connect cooling fan of one side opening for being used for connecting cabin cover outer wall of lobe, the leg joint is made an uproar in the lobe is inside and convex arch is salient to second opening direction through falling to noise reduction part spare. The cavity cavity structures of noise reduction part spare can reduce the intensity of vibration of sound wave to reduce sound wave loudness. When cooling fan's sound wave arrived noise reduction part spare along aerial transmission, convex arch blockked back most sound wave inside the lobe. This scheme the noise reduction effect ideal can not influence resident's normal life on every side. The utility model also discloses a wind generating set that includes that the device of making an uproar falls in the aforesaid.

Description

A kind of denoising device of wind power generating set and its cabin cooling fan
Technical field
This utility model is related to technical field of wind power generation, more particularly to a kind of wind power generating set and its cabin cooling wind The denoising device of fan.
Background technology
To meet wind power generating set stable operation, existing main flow wind-powered electricity generation industry main frame producer is using cooling fan to machine Ventilation cooling is carried out inside cabin.Due to the usual power of cooling fan it is larger, therefore, it will produce loud noise.Prior art is led to One ventilation cabin is often set in cabin, noise is limited in inside ventilation cabin.However, existing denoising device complex structure, Bulky, noise reduction is undesirable, and the loud noise of nacelle exterior still can not be reduced effectively, have impact on Wind turbines The orthobiosiss of neighbouring resident.
Therefore, the noise of wind generating set engine room cooling fan how is effectively reduced, is that those skilled in the art are current The technical issues that need to address.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of denoising device of cabin cooling fan, the denoising device The noise that wind generating set engine room cooling fan is outwardly discharged can be effectively reduced, makes blower fan more environment-friendly to external world. Another purpose of the present utility model is to provide a kind of including above-mentioned denoising device wind power generating set.
In order to achieve the above object, this utility model provides following technical scheme:
A kind of denoising device of cabin cooling fan, including the separation of noise reducing mechanism and tubular structure, the noise reduction machine Structure includes noise-reducing components and noise-reducing bracket, and the noise-reducing components are the shell structure for being provided with hollow cavity, the noise-reducing components The center of side card is provided with outwardly arc-shaped convex, and a side opening of the separation is for connecting engine room cover The first of outer wall is open and another side opening is to be open for connecting the second of cooling fan, and the noise-reducing components are by the drop Support of making an uproar is connected to the separation inside and the arc-shaped convex is open to second opening direction protrusion from described first.
Preferably, in above-mentioned denoising device, the noise-reducing components are the discoid shell structure for being provided with hollow cavity.
Preferably, in above-mentioned denoising device, the noise-reducing components include noise reduction disc and the noise reduction cymbal being mutually fastened and connected, The arc-shaped convex is located on the noise reduction cymbal.
Preferably, in above-mentioned denoising device, the noise-reducing components are less than the noise reduction with the distance of the described first opening The distance that part is open with described second.
Preferably, in above-mentioned denoising device, the first opening of the separation is provided with for connecting outside the engine room cover The mounting flange face of wall, the second opening of the separation is provided with the mounting flange ring for connecting the cooling fan.
Preferably, in above-mentioned denoising device, the mounting flange face is connected to the cabin cover outer wall by securing member.
Preferably, in above-mentioned denoising device, the noise-reducing bracket includes that two intersect fixed support bar.
Preferably, in above-mentioned denoising device, the noise-reducing components are fixed on the noise-reducing bracket by securing member, described Noise-reducing bracket is fixed on the separation inwall by securing member.
Preferably, in above-mentioned denoising device, the separation and the noise-reducing components are glass steel beam column.
A kind of wind power generating set, including the denoising device of the cabin cooling fan described in as above any one.
The denoising device of the cabin cooling fan that this utility model is provided, including noise reducing mechanism and tubular structure every Cabin, noise reducing mechanism includes noise-reducing components and noise-reducing bracket, and noise-reducing components are the shell structure for being provided with hollow cavity, noise-reducing components The center of side card is provided with outwardly arc-shaped convex, and a side opening of separation is for connecting cabin cover outer wall The first opening and another side opening is the second opening for connecting cooling fan, noise-reducing components are connected to by noise-reducing bracket Separation inside and arc-shaped convex from first be open to the second opening direction protrusion.When using, noise reducing mechanism is installed on into separation Inside, is then installed on cabin cover outer wall by separation, then installs cooling fan in another side opening of separation.Noise-reducing components it is hollow Cavity body structure can reduce the oscillation intensity of sound wave, so as to reduce sound wave loudness.When the sound wave of cooling fan is delivered to along air During noise-reducing components, arc-shaped convex stops back most of sound wave inside separation, so as to can effectively reduce wind power generating set machine The noise of cabin cooling fan.This programme noise reduction is preferable, does not interfere with the orthobiosiss of surrounding resident.
This utility model additionally provides a kind of wind power generating set including above-mentioned denoising device.The wind power generating set is produced The derivation of raw beneficial effect is substantially similar with the derivation of the beneficial effect that above-mentioned denoising device brings, therefore herein not Repeat again.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the compartment structure schematic diagram in this utility model specific embodiment;
Fig. 2 is the noise reducing mechanism structural representation in this utility model specific embodiment;
Fig. 3 is the noise-reducing components decomposition texture schematic diagram in this utility model specific embodiment;
Fig. 4 is that the denoising device in this utility model specific embodiment is installed on engine room cover outer wall construction schematic diagram;
Fig. 5 is that the denoising device in this utility model specific embodiment installs the structural representation after cooling fan;
Fig. 6 is the fundamental diagram in this utility model specific embodiment.
In Fig. 1 to Fig. 6:
1- separations, 2- noise-reducing components, 3- arc-shaped convex, 4- noise-reducing brackets, 5- bolts, 6- engine room covers, 7- cooling fans, 11- mounting flanges face, 12- mounting flange rings, 21- noise reduction discs, 22- noise reduction cymbal, 71- reflection sound waves, 72- overflow sound wave.
Specific embodiment
Core of the present utility model is to provide a kind of denoising device of cabin cooling fan, and the denoising device can be effective Reduce the noise of wind generating set engine room cooling fan.
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1 to Fig. 6 is refer to, Fig. 1 is the compartment structure schematic diagram in this utility model specific embodiment, and Fig. 2 is this reality With the noise reducing mechanism structural representation in new specific embodiment, Fig. 3 is the noise-reducing components in this utility model specific embodiment Decomposition texture schematic diagram, Fig. 4 is that the denoising device in this utility model specific embodiment is installed on the signal of engine room cover outer wall construction Figure, Fig. 5 is that the denoising device in this utility model specific embodiment installs the structural representation after cooling fan, and Fig. 6 is this reality With the fundamental diagram in new specific embodiment.
In a kind of specific embodiment scheme, this utility model provides a kind of denoising device of cabin cooling fan, fits For wind power generating set, the denoising device includes the separation 1 of noise reducing mechanism and tubular structure, and noise reducing mechanism includes noise reduction unit Part 2 and noise-reducing bracket 4, noise-reducing components 2 are to be provided with the shell structure of hollow cavity, the centre bit of the side card of noise-reducing components 2 Install it is outwardly convex go out arc-shaped convex 3, a side opening of separation 1 be the first opening for connecting the outer wall of engine room cover 6 and Another side opening is the second opening for connecting cooling fan 7, and noise-reducing components 2 are connected to inside separation 1 by noise-reducing bracket 4 And arc-shaped convex 3 is open to the second opening direction protrusion from first.
When using, noise reducing mechanism is installed on inside separation 1, then separation 1 is installed on into the outer wall of engine room cover 6, then every Another side opening in cabin 1 installs cooling fan 7.The hollow cavity structure of noise-reducing components 2 can reduce the oscillation intensity of sound wave, so as to Reduce sound wave loudness.When the sound wave of cooling fan 7 is delivered to noise-reducing components 2 along air, arc-shaped convex 3 is by most of sound wave Stop back inside separation 1, so as to can effectively reduce the noise of wind generating set engine room cooling fan.This programme noise reduction is managed Think, do not interfere with the orthobiosiss of surrounding resident.
When the cooling fan 7 of cabin starts, in order to limit the release areas of sound wave, and cabin cooling fan 7 is met Connection request, this programme is designed with one for installing the separation 1 of cabin cooling fan 7, and separation 1 preferably adopts glass fibre Reinforced plastics (i.e. fiberglass) component, glass steel beam column not only can ensure that separation 1 has enough intensity, but also with good Good wave absorption effect, certainly, those skilled in the art can also be come from other materials such as metal or composite etc. Separation 1 is made, is repeated no more herein.It should be noted that the separation 1 in this programme can be cylindric, oval tubular, square tube The tubular structure of shape or other shapes, those skilled in the art can according to needed for separation 1 is concrete the position of engine room cover 6 of installation or The concrete structure of cooling fan 7 is repeated no more herein designing separation of different shapes 1.
The first of separation 1 is open for connecting engine room cover 6, and the second of the other end of separation 1 is open for connecting cooling fan 7.For the ease of separation 1 to be connected to the outer wall of engine room cover 6, it is preferable that the first opening of separation 1 is provided with for connecting cabin The mounting flange face 11 of 6 outer walls is covered, for the ease of cooling fan 7 is connected to into separation 1, it is preferable that this programme in separation 1 Two openings are provided with the mounting flange ring 12 for connecting cooling fan 7, as shown in Figure 1.Certainly, said structure is this programme A kind of preferred embodiment scheme, those skilled in the art can also arrange other different attachment structures to install separation 1, example Two openings such as in separation 1 arrange mounting leg, bolt joint seat or connection screw thread.
It should be noted that the big I of mounting flange ring 12 determines according to the diameter of cooling fan 7, generally, install The diameter of flange ring 12 is consistent with the attachment face diameter of cooling fan 7.The size of the nacelle of separation 1 is according to the straight of mounting flange ring 12 Footpath determines that the size of nacelle is typically slightly larger than or equal to the diameter of mounting flange ring 12, and the size of nacelle is unsuitable excessive, to ensure Separation 1 will not take too big installing space.Preferably, the volume of the separation 1 in this utility model is less than in prior art and changes The 1/20 of gas nacelle product.The width in mounting flange face 11 can meet securing member (such as bolt, rivet etc.) and be connected i.e. with engine room cover 6 Can, mounting flange face 11 can also be fixed on the outer wall of engine room cover 6 by modes such as welding or clampings.
It should be noted that the noise reducing mechanism in this programme includes noise-reducing components 2 and the two parts of noise-reducing bracket 4, wherein, drop Support 4 of making an uproar preferably is made using steel alloy Q345D, and performance of the alloy steel material under -40 DEG C~-50 DEG C of low temperature environment is excellent More, enough intensity can be provided for support, it is ensured that the firm connection of noise-reducing components 2, noise-reducing components 2 preferably adopt glass-reinforced plastic material Make, certainly, those skilled in the art can also make noise-reducing bracket 4 using other metal or alloy steel, can also adopt The preferable material of other wave absorption effects such as metal or composite is repeated no more herein making noise-reducing components 2.
Noise-reducing components 2 in this programme can have multiple structural forms, for example, be processed into one by integral forming process Shell structure with hollow cavity, or it is connected into a knot of the housing with hollow cavity by two disk-like structures Structure.The shape of noise-reducing components 2 can be discoid or oval plate-like or other disk-like structures, it is preferable that the noise reduction in this programme Part 2 is the discoid shell structure for being provided with hollow cavity, as shown in Figure 2.
It is further preferred that the noise-reducing components 2 in this programme include noise reduction disc 21 and the noise reduction cymbal 22 being mutually fastened and connected, As shown in figure 3, noise reduction disc 21 is a circular plate-like shape structure, noise reduction cymbal 22 is cymbal shape structure, the i.e. center of noise reduction cymbal 22 The arc-shaped convex 3 to side protrusion is provided with, after noise reduction disc 21 and noise reduction cymbal 22 are fastened with one heart, is then defined between the two The hollow cavity of one cymbal shape, the hollow cavity can reduce the oscillation intensity of sound wave, so as to reduce the loudness of sound wave.
It should be noted that above-mentioned noise reduction disc 21 and noise reduction cymbal 22 can be threaded connection, bolt connection, snap connection Or various fixed forms such as welding are fastened and connected together, preferably dismountable securing member connected mode enters both in this programme Row is fixed.
It should be noted that the effect of the noise-reducing bracket 4 in this programme is the tubular that noise-reducing components 2 are fixed on separation 1 Inside cavity, it can realize fixing function by multiple structural forms, for example, be connected to separation 1 by fixed support bar Inwall, or the inwall of separation 1 is connected to by fixed mounting, or the inwall of separation 1 is fixed on by connecting rope bind Deng.Preferably, the noise-reducing bracket 4 in this programme includes that two intersect fixed support bar, as shown in Fig. 2 two support bars are excellent Select square crossing to fix, be arranged such, whole noise reducing mechanism can be made to be more uniformly stressed with the connection of separation 1, certainly, ability Field technique personnel can also arrange three, four or more support bars fixing noise-reducing components 2, repeat no more herein.
Noise-reducing components 2 can be fixed on noise-reducing bracket 4 by modes such as welding, bolt connection or clampings, it is preferable that this Noise-reducing components 2 in scheme are preferably fixed on noise-reducing bracket 4 by securing member, and securing member can select bolt, buckle etc., are such as schemed Shown in 2, noise-reducing components 2 are preferably separately fixed on two support bars of intersection by four bolts 5.
When using, noise reducing mechanism is installed on inside separation 1, specifically can by noise-reducing bracket 4 be secured by bolts in every The inwall of cabin 1, is then installed on the outer wall of engine room cover 6 by separation 1 by bolt, then installs cooling fan in another side opening of separation 1 7.Noise reducing mechanism is connected to inside separation 1 away from the position of cooling fan 7, i.e., preferably, the opening of noise-reducing components 2 and first away from It is the normal air draft performance for ensureing cooling fan 7 with a distance from less than the opening of noise-reducing components 2 and second, noise reducing mechanism should try one's best Away from cooling fan 7.The effect of cooling fan 7 is that, in order to cool down whole cabin, blower fan producer can be according to the spy of itself unit Property is repeated no more herein determining the particular location that the denoising device is installed on outside engine room cover 6.
As shown in fig. 6, Fig. 6 is the fundamental diagram in this utility model specific embodiment.Cooling fan 7 is to drop in Fig. 6 The wave sigmoid curves between part 2 of making an uproar represents the propagation path of the sound wave that cooling fan 7 sends and illustrates, and sound wave is delivered to along air During the position of the noise-reducing components 2 with hollow die cavity, most of sound wave will reflect in the card of cymbal shape, so that reflection Sound wave 71 stops back inside separation 1 that only a small amount of sound wave 72 that overflows overflows from the gap of noise-reducing components 2 and separation 1.
In sum, this utility model presses cabin cooling fan size, Aided design cabin cooling fan separation, and leads to The cymbal shape noise retention device crossed in separation is limited in the noise that axial flow blower is produced in cabin.The denoising device is by hollow Cymbal shape die cavity, reduce the loudness of sound wave, and reach sound wave is stopped back purpose inside separation.What this utility model was provided Denoising device can be used for full air cooling system blower fan, and noise reduction is preferable, and in night run duration, surrounding resident region is without making an uproar for unit Sound, obtains the accreditation of resident.
This utility model additionally provides a kind of wind power generating set including above-mentioned denoising device.The wind power generating set is produced The derivation of raw beneficial effect is substantially similar with the derivation of the beneficial effect that above-mentioned denoising device brings, therefore herein not Repeat again.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein The General Principle of justice can in other embodiments be realized in the case of without departing from spirit or scope of the present utility model.Cause This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (10)

1. a kind of denoising device of cabin cooling fan, it is characterised in that including noise reducing mechanism and the separation of tubular structure (1), the noise reducing mechanism includes noise-reducing components (2) and noise-reducing bracket (4), and the noise-reducing components (2) are to be provided with hollow cavity Shell structure, the center of the side card of the noise-reducing components (2) is provided with outwardly arc-shaped convex (3), described One side opening of separation (1) be for connect engine room cover (6) outer wall first opening and another side opening be for connect cooling Second opening of fan (7), the noise-reducing components (2) are connected to the separation (1) inside and institute by the noise-reducing bracket (4) State arc-shaped convex (3) to be open to second opening direction protrusion from described first.
2. denoising device according to claim 1, it is characterised in that the noise-reducing components (2) are to be provided with hollow cavity Discoid shell structure.
3. denoising device according to claim 2, it is characterised in that the noise-reducing components (2) are including being mutually fastened and connected Noise reduction disc (21) and noise reduction cymbal (22), the arc-shaped convex (3) is on the noise reduction cymbal (22).
4. denoising device according to claim 2, it is characterised in that the noise-reducing components (2) and the described first opening Distance is less than the distance that the noise-reducing components (2) are open with described second.
5. denoising device according to claim 1, it is characterised in that the first opening of the separation (1) be provided with for Connect the mounting flange face (11) of the engine room cover (6) outer wall, the second opening of the separation (1) is provided with described for connecting The mounting flange ring (12) of cooling fan (7).
6. denoising device according to claim 5, it is characterised in that the mounting flange face (11) is connected by securing member In the engine room cover (6) outer wall.
7. denoising device according to claim 1, it is characterised in that the noise-reducing bracket (4) includes that two intersect and fix Support bar.
8. denoising device according to claim 7, it is characterised in that the noise-reducing components (2) are fixed by securing member (5) In the noise-reducing bracket (4), the noise-reducing bracket (4) is fixed on the separation (1) inwall by securing member.
9. denoising device according to claim 1, it is characterised in that the separation (1) and the noise-reducing components (2) are Glass steel beam column.
10. a kind of wind power generating set, it is characterised in that cool down wind including cabin as claimed in any one of claims 1-9 wherein The denoising device of fan.
CN201621156619.2U 2016-10-31 2016-10-31 Wind generating set and device of making an uproar falls in cabin cooling fan thereof Active CN206175330U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621156619.2U CN206175330U (en) 2016-10-31 2016-10-31 Wind generating set and device of making an uproar falls in cabin cooling fan thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621156619.2U CN206175330U (en) 2016-10-31 2016-10-31 Wind generating set and device of making an uproar falls in cabin cooling fan thereof

Publications (1)

Publication Number Publication Date
CN206175330U true CN206175330U (en) 2017-05-17

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CN201621156619.2U Active CN206175330U (en) 2016-10-31 2016-10-31 Wind generating set and device of making an uproar falls in cabin cooling fan thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676308A (en) * 2017-10-21 2018-02-09 中船澄西船舶修造有限公司 Air inlet denoising device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107676308A (en) * 2017-10-21 2018-02-09 中船澄西船舶修造有限公司 Air inlet denoising device

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Address after: North District 401122 Chongqing City No. 30 garden Jinyu Road

Patentee after: China Shipbuilding Heavy Industry offshore wind power Limited by Share Ltd

Address before: North District 401122 Chongqing City No. 30 garden Jinyu Road

Patentee before: CSIC (Chongqing) Haizhuang Windpower Equipment Co., Ltd.