CN206738203U - A kind of silent ventilator based on fan unit integrated array structure - Google Patents
A kind of silent ventilator based on fan unit integrated array structure Download PDFInfo
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- CN206738203U CN206738203U CN201720363303.9U CN201720363303U CN206738203U CN 206738203 U CN206738203 U CN 206738203U CN 201720363303 U CN201720363303 U CN 201720363303U CN 206738203 U CN206738203 U CN 206738203U
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- 239000011358 absorbing material Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 239000013536 elastomeric material Substances 0.000 claims description 3
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- 239000000725 suspension Substances 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000004378 air conditioning Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 description 7
- 238000001228 spectrum Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 239000006185 dispersion Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides a kind of silent ventilator based on fan unit integrated array structure, including：Fan unit array (3), air intake passage and air-out passage；Described fan unit array (3) is arranged on the section formed between air intake passage and air-out passage, the fan unit array (3) includes being independently connected a power interface (8) along several fan units (7) of cross-sectional distribution, each fan unit (7).The blower fan can be effectively reduced noise and the under-chassis vibration of complete machine, and blower fan quality is greatly reduced, reduces blower fan power consumption, and improves efficiency grade；Blower fan of the present utility model can divulge information as the region such as factory, Office Area, central air-conditioning strong noise, the substitute of air-conditioning draught fan, reduce its radiated noise and under-chassis vibration, have wide application market.
Description
Technical field
It the utility model is related to blower fan technical field, and in particular to a kind of low noise based on fan unit integrated array structure
Sound blower fan.
Background technology
In recent years, as people increasingly increase to operating environment requirements, Noise measarement demand is more and more significant.And in the market
There are the shortcomings such as noise is high, under-chassis vibration is big, quality is big, maintenance inconvenience, maintenance cost height in existing conventional blower, difficult
To reach the due noise objective in workplace.
Utility model content
The purpose of this utility model is that existing blower fan has noise height, under-chassis vibration is big, quality is big, dimension to solve
Protect many technical problems such as inconvenience, maintenance cost height, there is provided a kind of low noise wind based on fan unit integrated array structure
Machine, Acoustical Inst., Chinese Academy of Sciences relies on the experience of field of acoustics vibration and noise reducing accumulation for many years, with reference to the noise of fan unit
Rumble spectrum characteristic, such integrated array silent ventilator is developed, the noise of complete machine can be effectively reduced using the blower fan
And under-chassis vibration, blower fan quality is greatly reduced, reduces blower fan power consumption, and improves efficiency grade.
To achieve the above object, a kind of low noise wind based on fan unit integrated array structure provided by the utility model
Machine, including：Fan unit array, air intake passage and air-out passage；Described fan unit array is arranged at air intake passage with going out
On the section formed between wind passage, the fan unit array includes several fan units along cross-sectional distribution, each fan
Unit is independently connected a power interface.
As the further improvement of above-mentioned technical proposal, in addition to blower fan shock absorber；One end of the blower fan shock absorber is consolidated
At the top of blower fan, its other end is provided with the installing component for being used for realizing the installation of blower fan suspension type.
As the further improvement of above-mentioned technical proposal, described air intake passage includes：Air inlet diversion section and intake noise reduction
Section；Described intake noise reduction section is communicated between the input of air inlet diversion section and fan unit array, described air inlet water conservancy diversion
Several identical with fan unit quantity and relative position air inlets are offered in section, described air inlet is in horn-like；Institute
The intake noise reduction section stated includes：First perforation protection slab and intake noise reduction section shell；The first described perforation protection slab is embedded in
In intake noise reduction section shell, and several passages relative with air inlet position are offered, filled in the first perforation protection slab
Sound-absorbing material.
As the further improvement of above-mentioned technical proposal, described air-out passage includes：Outlet muffler section and elastic damping
Section；Described outlet muffler section is communicated between elastic damping section and the output end of fan unit array, and described outlet is eliminated the noise
Section includes：Second perforation protection slab and outlet muffler section shell；The second described perforation protection slab is embedded in outside outlet muffler section
In shell, and several identical with fan unit quantity and relative position passages are offered, filled in the second perforation protection slab
Sound-absorbing material；The both ends insertion of the elastic damping section, and be made of elastomeric material.
As the further improvement of above-mentioned technical proposal, described fan unit array includes：Several fan units, battle array
Row shell and installing plate；Several described fan units are both secured on installing plate, and array is fixed on together with installing plate
In shell；Described power interface is fixed in the side wall of array case.
As the further improvement of above-mentioned technical proposal, described fan unit array also includes：Lock bar and press strip；Institute
The press strip stated is fixed on the inwall of array case, and the space placed for locking bar is formed between installing plate.
As the further improvement of above-mentioned technical proposal, the one side that described installing plate is in contact with array case is provided with
Pressure pad, the pressure pad are made of flexible material.
As the further improvement of above-mentioned technical proposal, the shell of the air intake passage and air-out passage uses aluminium alloy material
Material is made.
A kind of silent ventilator advantage based on fan unit integrated array structure of the present utility model is：
The utility model proposes fan unit integrated array silent ventilator technology in a creative way, by complete blower power
Break the whole up into parts, distribute power to several fan unit modules.It is easy to design according to demand with power density is big, noise
Low, noise spectrum is in the fan unit of more than 1000Hz high frequency trend, so as to realize that the dominant noise component by sound source moves to
The medium-high frequency scope easily reduced, the low frequency noise component of difficult drop is substantially reduced, and handled by targetedly noise elimination, made
The Sound absorbing spectrum of deposited sound-absorbing material structure matched with the main frequency range of its noise, blower fan integral sound source noise can be significantly reduced.
With small vibration meanwhile fan unit module quality is light, the under-chassis of blower fan, which vibrates more common blower fan, to be significantly reduced.The utility model
Blower fan can be divulged information as the region such as factory, Office Area, central air-conditioning strong noise, the substitute of air-conditioning draught fan, reduce its radiation
Noise and under-chassis vibration, have wide application market.
Brief description of the drawings
Fig. 1 is outside a kind of silent ventilator based on fan unit integrated array structure in the utility model embodiment
Structural representation.
Fig. 2 is the silent ventilator air intake direction schematic diagram shown in Fig. 1.
Fig. 3 a are the fan unit array structure schematic diagram in the utility model embodiment.
Fig. 3 b are the rearview of the fan unit array shown in Fig. 3 a.
Fig. 3 c are the sectional view of the fan unit array shown in Fig. 3 a.
Fig. 4 is the outlet muffler section structural representation in the utility model embodiment.
Fig. 5 is the intake noise reduction segment structure schematic diagram in the utility model embodiment.
Fig. 6 is the air inlet diversion section structural representation in the utility model embodiment.
Reference
1st, blower fan shock absorber 2, air inlet diversion section
3rd, intake noise reduction section 4, fan unit array
5th, outlet muffler section 6, elastic damping section
7th, fan unit 8, power interface
9th, installing plate 10, press strip
11st, air inlet 12, locking bar
13rd, the perforation of array case 14, first protection slab
15th, the perforation of outlet muffler section shell 16, second protection slab
17th, intake noise reduction section shell
Embodiment
With reference to the accompanying drawings and examples to described in the utility model a kind of based on fan unit integrated array structure
Silent ventilator is described in detail.
A kind of silent ventilator based on fan unit integrated array structure provided by the utility model, including：Fan list
Element array, air intake passage and air-out passage；Described fan unit array, which is arranged between air intake passage and air-out passage, to be formed
Section on, as shown in figs 3 a-3 c, the fan unit array include along cross-sectional distribution several fan units 7, each fan
Unit 7 is independently connected a power interface 8 so that each fan unit 7 can be independently controlled and design, single fan list
Member can carry out speed governing, flexibly control blast, air quantity, and can carry out intelligent tune to the voltage of power interface 8 according to environment temperature
Section, to automatically control the rotating speed of fan unit 7 by external environment condition parameters such as temperature.In addition, by rationally designing fan unit
Modular structure so that unit module can be integrated into the array combination structure of quick dismounting and change, averagely be tieed up with significantly reducing equipment
The time is repaiied, so as to improve promptness, reliability and the security of blower fan maintenance.
Silent ventilator based on said structure, as shown in figure 1, in the present embodiment, air intake described in the utility model
Passage may include：Air inlet diversion section 2 and intake noise reduction section 3；Described air-out passage may include：Outlet muffler section 5 and elasticity subtract
Section of shaking 6.Described intake noise reduction section 3 is communicated between the input of air inlet diversion section 2 and fan unit array 3.Described goes out
Gas muffler section 5 is communicated between elastic damping section 6 and the output end of fan unit array 3.Required to determine battle array according to airflow pressure
The quantity and method for arranging of fan unit in row；In the present embodiment, 2 × 2 are evenly distributed with described fan unit array
Individual fan unit.The both ends insertion of the elastic damping section 6, and be made of elastomeric material.
As shown in figure 1, described silent ventilator may also include blower fan shock absorber 1；One end of the blower fan shock absorber 1 is consolidated
At the top of blower fan, its other end is provided with the installing component (not shown) for being used for realizing the installation of blower fan suspension type.According to blower fan weight
The parameters such as amount, excited frequency, vibration-damping function is realized from appropriate blower fan shock absorber.
As described in Figure 6, identical with the quantity of fan unit 7 and relative position four are offered on described air inlet diversion section 2
Individual air inlet 11, described air inlet 11 is in horn-like.For optimization airflow passage, air inlet diversion section 2 is installed additional, by by air inlet
Mouthfuls 11 are arranged to horn-like, to increase air inlet area, reduce flow resistance；As shown in figure 5, described intake noise reduction section includes：First
Perforation protection slab 14 and intake noise reduction section shell 17；The first described perforation protection slab 14 is embedded in intake noise reduction section shell 17
It is interior, and four passages relative with the position of air inlet 11 shown in Fig. 6 are offered, filling suction in the first perforation protection slab 14
Sound material.
As shown in figure 4, described outlet muffler section includes：Second perforation protection slab 16 and outlet muffler section shell 15；Institute
The the second perforation protection slab 16 stated is embedded in outlet muffler section shell 15, and offers and position identical with the quantity of fan unit 7
Four relative passages are put, filling sucting sound material in the second perforation protection slab 16.
Intake noise reduction section 3 and outlet muffler section 5 based on said structure, can be according to fan unit in the utility model
Spectral characteristic design intake noise reduction section 3 and outlet muffler section 5, sound absorption cotton can be chosen and be used as sound-absorbing material, absorb sound cotton thickness according to
Noise objective and the determination of blower fan structure size, the aperture of silencer perforation protection slab and punching rate and sound-absorbing material architectural characteristic phase
Matching.The inner surface of outer cover of intake noise reduction section 3 and outlet muffler section 5 can also coated with viscoelastic layer, further to reduce noise spoke
Penetrate, reduce vibration severity.
The utility model proposes fan unit integrated array silent ventilator technology in a creative way, by an original blower fan
Power density breaks the whole up into parts, by power dispersion to several fan unit modules.Enable the noise spectrum of fan unit module
In more than 1000Hz high frequency trend, by the way that the noise spectrum of overall blower fan is adjusted to high frequency direction, make fan noise main
Concentrate on and energy supposition is carried out on high frequency, then coordinate muffling unit (including intake noise reduction section 3 and outlet muffler section 5), make its suction
Sound characteristicses match with fan noise spectral characteristic, reduce integrated array silent ventilator total noise of centrifuge to greatest extent.Meanwhile it is
The power density of array blower fan is improved, according to different blast, air quantity demand, can be selected and meet design requirement, in light weight, efficiency etc.
The fan unit that level is high, power density is high carries out array combination.
As shown in Figure 3 c, described fan unit array 3 includes：Several fan units 7, array case 13 and installing plate
9；Several described fan units 7 are both secured on installing plate 9, and are fixed on together with installing plate 9 in array case 13；Institute
The power interface 8 stated is fixed in the side wall of array case 13.
In addition, as shown in Figure 3 c, described fan unit array 3 may also include：Lock bar 12 and press strip 10；Described pressure
Bar 10 is fixed on the inwall of array case 13, and the space placed for locking bar 12 is formed between installing plate 9.It will install
After the installing plate 9 for having fan unit is inserted in array case 13, by tightening locking bar 12, you can installing plate 9 is extruded into fixation
On the inwall of array case 13, compared to other fixed forms, the utility model is reduced using the fixed form of locking bar 12
Installation difficulty, convenient disassembly.The one side that described installing plate 9 is in contact with array case 13 is provided with pressure pad (not shown),
The pressure pad is made of flexible material, further to reduce the vibration between installing plate 9 and array case 13.
The shell of the air intake passage and air-out passage can use high-strength aluminum alloy to process, and ensure the same of mechanical strength
When mitigate complete blower weight, reduce the vibration of blower fan under-chassis.Blower housing and silencer select high-quality high intensity rustproof aluminum alloy, relatively pass
The small volume of system steel construction blower fan, and the overall weight of array blower fan is greatly reduced.
It should be noted last that above example is only illustrating the technical solution of the utility model and unrestricted.To the greatest extent
The utility model is described in detail with reference to embodiment for pipe, it will be understood by those within the art that, to this practicality
New technical scheme is modified or equivalent substitution, without departure from the spirit and scope of technical solutions of the utility model, its
It all should cover among right of the present utility model.
Claims (8)
- A kind of 1. silent ventilator based on fan unit integrated array structure, it is characterised in that including：Fan unit array, Air intake passage and air-out passage；Described fan unit array is arranged at the section formed between air intake passage and air-out passage On, the fan unit array includes being independently connected along several fan units (7) of cross-sectional distribution, each fan unit (7) One power interface (8).
- 2. the silent ventilator according to claim 1 based on fan unit integrated array structure, it is characterised in that also wrap Include blower fan shock absorber (1)；One end of the blower fan shock absorber (1) is fixed at the top of blower fan, and its other end, which is provided with, to be used to realize wind The installing component of machine suspension type installation.
- 3. the silent ventilator according to claim 1 or 2 based on fan unit integrated array structure, it is characterised in that Described air intake passage includes：Air inlet diversion section (2) and intake noise reduction section (3)；Described intake noise reduction section (3) is communicated in air inlet Between diversion section (2) and the input of fan unit array, offered on described air inlet diversion section (2) and fan unit (7) Several air inlets (11) that quantity is identical and position is relative, described air inlet (11) is in horn-like；Described intake noise reduction Section (3) includes：First perforation protection slab (14) and intake noise reduction section shell (17)；The first described perforation protection slab (14) is inlayed In intake noise reduction section shell (17), and several passages relative with air inlet (11) position are offered, the first perforation shield Panel (14) interior filling sucting sound material.
- 4. the silent ventilator according to claim 1 or 2 based on fan unit integrated array structure, it is characterised in that Described air-out passage includes：Outlet muffler section (5) and elastic damping section (6)；Described outlet muffler section (5) is communicated in elasticity Between vibration damping section (6) and the output end of fan unit array, described outlet muffler section (5) includes：Second perforation protection slab And outlet muffler section shell (15) (16)；The second described perforation protection slab (16) is embedded in outlet muffler section shell (15), And several passages identical with fan unit (7) quantity and that position is relative are offered, filled out in the second perforation protection slab (16) Fill sound-absorbing material；The both ends insertion of the elastic damping section (6), and be made of elastomeric material.
- 5. the silent ventilator according to claim 1 or 2 based on fan unit integrated array structure, it is characterised in that Described fan unit array includes：Several fan units (7), array case (13) and installing plate (9)；Described several Fan unit (7) is both secured on installing plate (9), and is fixed on together with installing plate (9) in array case (13)；Described electricity Source interface (8) is fixed in the side wall of array case (13).
- 6. the silent ventilator according to claim 5 based on fan unit integrated array structure, it is characterised in that described Fan unit array also include：Lock bar (12) and press strip (10)；Described press strip (10) is fixed on array case (13) On inwall, and the space placed for locking bar (12) is formed between installing plate (9).
- 7. the silent ventilator according to claim 5 based on fan unit integrated array structure, it is characterised in that described The one side that is in contact with array case (13) of installing plate (9) be provided with pressure pad, the pressure pad is made of flexible material.
- 8. the silent ventilator according to claim 1 or 2 based on fan unit integrated array structure, it is characterised in that The shell of the air intake passage and air-out passage is made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720363303.9U CN206738203U (en) | 2017-04-07 | 2017-04-07 | A kind of silent ventilator based on fan unit integrated array structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720363303.9U CN206738203U (en) | 2017-04-07 | 2017-04-07 | A kind of silent ventilator based on fan unit integrated array structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738203U true CN206738203U (en) | 2017-12-12 |
Family
ID=60559572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720363303.9U Withdrawn - After Issue CN206738203U (en) | 2017-04-07 | 2017-04-07 | A kind of silent ventilator based on fan unit integrated array structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691794A (en) * | 2017-04-07 | 2018-10-23 | 中国科学院声学研究所 | A kind of silent ventilator based on fan unit integrated array structure |
| CN113464478A (en) * | 2018-02-23 | 2021-10-01 | 大金工业株式会社 | Air supply device |
-
2017
- 2017-04-07 CN CN201720363303.9U patent/CN206738203U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108691794A (en) * | 2017-04-07 | 2018-10-23 | 中国科学院声学研究所 | A kind of silent ventilator based on fan unit integrated array structure |
| CN108691794B (en) * | 2017-04-07 | 2024-03-26 | 中国科学院声学研究所 | Low noise fan based on integrated array structure of fan unit |
| CN113464478A (en) * | 2018-02-23 | 2021-10-01 | 大金工业株式会社 | Air supply device |
| US11852359B2 (en) | 2018-02-23 | 2023-12-26 | Daikin Industries, Ltd. | Air blowing apparatus and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171212 Effective date of abandoning: 20240326 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171212 Effective date of abandoning: 20240326 |