CN108602457A - Sound arrester on ventilated seating wind turbine - Google Patents
Sound arrester on ventilated seating wind turbine Download PDFInfo
- Publication number
- CN108602457A CN108602457A CN201680080325.2A CN201680080325A CN108602457A CN 108602457 A CN108602457 A CN 108602457A CN 201680080325 A CN201680080325 A CN 201680080325A CN 108602457 A CN108602457 A CN 108602457A
- Authority
- CN
- China
- Prior art keywords
- wind turbine
- component
- sound arrester
- assembly
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/56—Heating or ventilating devices
- B60N2/5607—Heating or ventilating devices characterised by convection
- B60N2/5621—Heating or ventilating devices characterised by convection by air
- B60N2/5635—Heating or ventilating devices characterised by convection by air coming from the passenger compartment
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
- F04D29/664—Sound attenuation by means of sound absorbing material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/612—Foam
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/613—Felt
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The sound arrester on a kind of ventilated seating wind turbine (3) of motor vehicles is provided, the sound arrester includes：First assembly (1), the first assembly are covered on wind turbine and equipped with the opening (4) being connected to the air inlet (5) of the wind turbine (3)；And second component (2), second component are made of sound-absorbing material, are arranged between the first assembly (1) and the wind turbine (3).Described device is used for absorbing the noise of motor and aerodynamic noise generated by wind turbine (3).The size of described device is sufficiently small, for the aeration seat bottom of ordinary motor vehicle, moreover it is possible to meet the requirement of economic cost.
Description
Technical field
The present invention relates to the fields of motor vehicles, more particularly, on a kind of ventilated seating wind turbine of motor vehicles
Sound arrester is used to absorb the noise of motor and aerodynamic noise of draft fan generation.
Background technology
As global temperatures increase always, more and more consumer demands include changing for the suitable temperature in motor vehicles
Into ride comfort.In hot season or tropical area, even if there is traditional air-conditioning system in motor vehicles, consumer is still
Complain that they do not feel comfortable on the cushion of seat and backrest, because sweat cannot dissipate outside.In this case,
Aeration seat becomes more and more popular.When consumer determines purchase motor vehicles, aeration seat is sometimes needed to be considered
Factor.
However, aeration seat produces other problems in evolution.Main problem comes from the seat below cushion
Draft fan.In general, draft fan includes 53 blades, and maximum rotative speed about 4500rpm, thus it is non-in the process of running
It is often noisy.NVH (noise, vibration and sound vibration roughness) research shows that noise mainly include maximum speed when aerodynamic noise and in
Between speed when noise of motor.
In order to reduce noise of motor, existing method is that present monophase machine is replaced using three phase electric machine.In order to reduce
Aerodynamic noise, existing method are the wind turbines using the bigger with relatively low rotary speed.But the wind turbine of bigger occupies bigger
Space, and influence and the relevant cushion thickness of seat comfort degree.Therefore, when seat is moved forward or rearward, the seat of vehicle
There will be conflicts between chair and floor.In addition, the wind turbine of bigger is uneconomic.
NVH researchs have shown that the change of draft fan is not sufficient to overcome the problems, such as noise of motor and aerodynamic noise.Cause
This, it is desirable to be able to the development and improvement of high-performance acoustic are provided.
Invention content
The invention aims to solve issue noted above.More specific, it is an object to provide a kind of machine
Sound arrester on the ventilated seating wind turbine of motor-car can absorb or reduce the noise of motor of draft fan generation and pneumatic
Noise.
To reach these purposes, according to the present invention, the sound arrester on a kind of ventilated seating wind turbine of motor vehicles is provided,
The sound arrester includes：
First assembly is covered on wind turbine and equipped with the opening being connected to the air inlet of the wind turbine；And
Second component is made of sound-absorbing material and is arranged between the first assembly and the wind turbine.
According to a preferred embodiment of the invention, the first assembly is made of polymerizable compound or metal.
According to a preferred embodiment of the invention, the first assembly is made of PP (polypropylene).
According to a preferred embodiment of the invention, the thickness of the first assembly is 2mm.
According to a preferred embodiment of the invention, the thickness of second component is 1mm to 20mm.More specifically, described
The thickness of two components is 4mm.
According to a preferred embodiment of the invention, second component is by being selected from blanket, glass felt, PET (poly- terephthaldehydes
Sour glycol ester) felt, PU (polyurethane) foam, PE (polyethylene) foam, glass fibre and glass fabric material be made.
According to a preferred embodiment of the invention, second component is shaped as the shape for meeting the first assembly.
According to a preferred embodiment of the invention, the center of second component is fixed component pressing, to prevent described the
The motor center axis of wind turbine described in the central contact of two components.In some embodiments, the fixation kit is bonding agent or extremely
A few nail or geometrical clamp.
When in applied to present ventilated seating wind turbine, sound arrester according to the present invention greatly can absorb or subtract
The noise of motor and aerodynamic noise that few draft fan generates.In addition, the size of the sound arrester is sufficiently small, for general
The aeration seat bottom of logical motor vehicles, also meets the requirement of economic cost.
Description of the drawings
By the detailed description below in conjunction with attached drawing, other features and advantages of the present invention will be apparent from, in the accompanying drawings：
Fig. 1 schematically shows sound arrester according to a preferred embodiment of the invention, wherein the second component is arranged in
Between first assembly and wind turbine；
Fig. 2 shows the test results of front stall when wind turbine is in maximum airflow pattern；
Fig. 3 shows the test result of the back seat when wind turbine is in maximum airflow pattern；
Fig. 4 shows the test result of the front stall when wind turbine is in middle air flow pattern；And
Fig. 5 shows the test result of the back seat when wind turbine is in middle air flow pattern.
Specific implementation mode
As shown in fig. 1, sound arrester according to the present invention is arranged on ventilated seating wind turbine.The sound arrester includes covering
The first assembly 1 covered on wind turbine 3 and the second component 2 being arranged between first assembly 1 and wind turbine 3.Preferably, first assembly
1 is equipped with the opening 4 being connected to the air inlet 5 of wind turbine 3.In this way, the gas channel of wind turbine 3 will not close.
In the embodiment shown in fig. 1, first assembly 1 can be configured to cover made of the polymerizable compounds such as such as PP
Son, the wherein edge of lid are fixed to for example, by the bonding agent of viscose glue etc. on the top of wind turbine 3.Due to the good insulating of PP
Can, lid can prevent the noise generated by wind turbine 3 from coming out easily.In addition, lid also serves as second group be arranged therein
The support of part 2.If the second component 2 is directly arranged on the top of wind turbine 3, it is impossible to enough firmly fix and with falling off
Possibility.Therefore, the edge of the second component 2 is preferably fixed to for example, by viscose glue etc. on lid.
It should be appreciated that the overall dimensions of sound arrester do not interfere with the seat comfort degree of passenger.That is, sound insulation
The size of device will not significantly increase the overall dimensions of wind turbine 3.Therefore, first assembly 1 is configured to have the thickness of 2mm simultaneously
With circular shape similar with the shape at the top of wind turbine 3.Alternatively, in other variant embodiments, first assembly 1 can
To be made of metal or other materials, and its shape can also be different, for example, it may be rectangle or it is trapezoidal.From Fig. 1
In as can be seen that in this embodiment, opening 4 is formed as recess in the edge of first assembly 1.However, opening 4 position and
Shape can change as needed, as long as meeting the requirement being connected to air inlet 5.
In general, as shown in fig. 1, air inlet 5 is arranged at the top of wind turbine 3, with towards the main cabin of motor vehicles, therefore by
The noise that wind turbine 3 generates travels to main cabin by air inlet 5, and influences the ride comfort of passenger.Second component 2 is by sound absorption material
Material is made, to provide improved sound insulation value.In some embodiments, the second component 2 can by blanket, glass felt, PET felts,
Any one in PU foams, PE foams, glass fibre and glass fabric is made.In the illustrated embodiment, the second component 2 is gone back
It is configured to meet the circle of the shape of first assembly 1, but other shapes are also admissible.In order to obtain preferably
Isolation performance, the second component 2 have the thickness of 1mm to 20mm.It should be noted that big thickness will influence the grade of air-flow.It changes
Yan Zhi, more sound-absorbing materials mean less air-flow of ventilated seating wind turbine and worse cooling performance.By test, the second component
2 preferably have the thickness of 4mm.
According to the present invention, the center of the second component 2 is fixed component pressing, to prevent the center of the second component 2 in wind turbine
Operating process in contact wind turbine 3 motor center axis.For example, in some embodiments, fixation kit can be bonding
Agent or at least one nail, geometrical clamp or other.
Objects and advantages of the present invention are further described by following example, but it is specific described in these examples
Material and its quantity and other conditions and details should not be used to be unduly limited the present invention.
Following the second component of testing needle pair carries out.In table 1, PU foams and PET felts are surveyed in bench run
Examination, aeration seat subsystem are not assembled on motor vehicles.The thickness of two kinds of materials is all 2mm.
Table 1：Testing of materials
It is in table 1 the result shows that two kinds of materials all have apparent sound absorbing performance, and the isolation performance of PET felts is slightly better than
PU foams.
In table 2,2mm and 6mm PET felts are tested on testing stand.
Table 2：Thickness is tested on testing stand
It is in table 2 the result shows that, compared with 2mm PET felts, damaged using about 8Kg/h (26%) air-flow when 6mm PET felts
It loses.
In table 3,2mm, 4mm and 6mm PET felts are tested, and wherein aeration seat subsystem is assembled into motor vehicles
On.
Table 3：Thickness test on motor vehicles
It is in table 3 the result shows that the sound absorbing performance of 4mm PET felts and 6mm PET felts is similar, therefore in order to obtain
Compromise between cooling performance and sound absorbing performance, 4mm PET felts are optimal selections.
Fig. 2 and Fig. 3 respectively illustrates the test result to front stall and back seat when wind turbine 3 is in maximum airflow pattern.Choosing
4mm PET felts are taken to be tested.Chart shows the grade of the noise measured in 1/3 octave component.Bar chart, which shows not using, appoints
Noise grade when what sound arrester, curve show when use 4mm PET felts as the second component it is according to the present invention every
The grade of noise when mixer is covered on wind turbine 3.As shown in Figures 2 and 3, front stall from 1250Hz to 10000Hz and
Back seat is from 1250Hz to 16000Hz, 4~6dB of noise decrease.
Similarly, Fig. 4 and Fig. 5 respectively illustrates the test knot to front stall and back seat when wind turbine is in middle air flow pattern
Fruit.Using the second component 2 of identical material and thickness, front stall from 1250Hz to 10000Hz and back seat from 1250Hz to
16000Hz, 5~7dB of noise decrease.
By sound arrester according to the present invention, its internal noise can be maintained to a certain degree by first assembly 1, the
Two components 2 can quickly absorb or reduce the noise of motor and aerodynamic noise that noise, especially wind turbine 3 generate.Work as driving vehicle
When, passenger will not by from wind turbine influence of noise or will not even feel that the size of seat wind turbine changes.
It should be appreciated that diagram embodiment described above has multiple improvement and deformations.These improvement and deformations both fall within institute
In attached the scope of the claims.
Claims (10)
1. sound arrester, the sound arrester is arranged on the ventilated seating wind turbine (3) of motor vehicles, including：
First assembly (1), the first assembly are covered on wind turbine (3) and equipped with being connected to the air inlet (5) of the wind turbine
It is open (4)；And
Second component (2), second component are made of sound-absorbing material and are arranged in the first assembly (1) and the wind turbine
(3) between.
2. sound arrester according to claim 1, which is characterized in that the first assembly (1) is by polymerizable compound or gold
Category is made.
3. sound arrester according to claim 2, which is characterized in that the first assembly (1) is made of PP.
4. sound arrester according to claim 2 or 3, which is characterized in that the thickness of the first assembly (1) is 2mm.
5. sound arrester according to claim 1, which is characterized in that the thickness of second component (2) arrives for 1mm
20mm。
6. sound arrester according to claim 5, which is characterized in that the thickness of second component (2) is 4mm.
7. sound arrester according to claim 1, which is characterized in that second component (2) is by being selected from blanket, glass
Felt, PET felts, PU foams, PE foams, glass fibre and glass fabric material be made.
8. sound arrester according to claim 1, which is characterized in that second component (2) be shaped as meet it is described
The shape of first assembly (1).
9. sound arrester according to claim 1, which is characterized in that the center of second component (2) is fixed component
Pressing, to prevent the motor center axis of wind turbine (3) described in the central contact of second component (2).
10. sound arrester according to claim 9, which is characterized in that the fixation kit is bonding agent or at least one
Nail or geometrical clamp.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/072513 WO2017128179A1 (en) | 2016-01-28 | 2016-01-28 | Noise insulation device on seat ventilation blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108602457A true CN108602457A (en) | 2018-09-28 |
Family
ID=59396914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680080325.2A Pending CN108602457A (en) | 2016-01-28 | 2016-01-28 | Sound arrester on ventilated seating wind turbine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108602457A (en) |
| WO (1) | WO2017128179A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2336260Y (en) * | 1998-05-08 | 1999-09-01 | 李国培 | Sound insulation ventilator |
| CN2356165Y (en) * | 1999-01-22 | 1999-12-29 | 卞思海 | Noise eliminating fan |
| US6048024A (en) * | 1995-09-14 | 2000-04-11 | Walinov Ab | Fan device contained in a ventilated vehicle chair |
| CN2506799Y (en) * | 2001-09-20 | 2002-08-21 | 李文武 | Centrifugal blowing fan |
| KR20040048567A (en) * | 2002-12-04 | 2004-06-10 | 조규호 | cooling seat |
| CN101254761A (en) * | 2006-11-06 | 2008-09-03 | 凯特姆两合公司 | Fan module for a vehicle seat and motor vehicle seat with noise insulation |
| CN201227238Y (en) * | 2008-07-30 | 2009-04-29 | 刘永园 | Low noise cleaner |
| CN202519612U (en) * | 2012-03-30 | 2012-11-07 | 厦门厦工重工有限公司 | Low-noise sweeping dual-purpose vehicle |
| JP2013001212A (en) * | 2011-06-15 | 2013-01-07 | Toyota Boshoku Corp | Vehicle seat |
| CN202835646U (en) * | 2012-07-30 | 2013-03-27 | 李国培 | Noise-proof exhaust fan |
| CN203068727U (en) * | 2012-12-05 | 2013-07-17 | 周进坤 | Air-exhausting and noise-eliminating channel |
| CN203375564U (en) * | 2013-07-30 | 2014-01-01 | 王全贵 | Air purification exhaust channel |
| CN103953555A (en) * | 2014-05-19 | 2014-07-30 | 太仓博轩信息科技有限公司 | Novel low-noise air blower |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50303676D1 (en) * | 2003-04-02 | 2006-07-20 | Catem Gmbh & Co Kg | Motor vehicle seat and fan module for such a motor vehicle seat |
| JP4513555B2 (en) * | 2004-12-24 | 2010-07-28 | 株式会社デンソー | Vehicle seat air conditioner |
| JP5476942B2 (en) * | 2009-11-20 | 2014-04-23 | トヨタ紡織株式会社 | Vehicle seat |
| JP5505404B2 (en) * | 2011-12-14 | 2014-05-28 | 株式会社デンソー | Vehicle seat device |
| CN103042960B (en) * | 2012-12-24 | 2016-01-27 | 廊坊市金色时光科技发展有限公司 | A kind of arrangement structure of ventilated seating device |
| CN204610388U (en) * | 2015-03-19 | 2015-09-02 | 元山科技工业股份有限公司 | Be installed on the shock absorbing fan on automotive seat |
-
2016
- 2016-01-28 WO PCT/CN2016/072513 patent/WO2017128179A1/en active Application Filing
- 2016-01-28 CN CN201680080325.2A patent/CN108602457A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6048024A (en) * | 1995-09-14 | 2000-04-11 | Walinov Ab | Fan device contained in a ventilated vehicle chair |
| CN2336260Y (en) * | 1998-05-08 | 1999-09-01 | 李国培 | Sound insulation ventilator |
| CN2356165Y (en) * | 1999-01-22 | 1999-12-29 | 卞思海 | Noise eliminating fan |
| CN2506799Y (en) * | 2001-09-20 | 2002-08-21 | 李文武 | Centrifugal blowing fan |
| KR20040048567A (en) * | 2002-12-04 | 2004-06-10 | 조규호 | cooling seat |
| CN101254761A (en) * | 2006-11-06 | 2008-09-03 | 凯特姆两合公司 | Fan module for a vehicle seat and motor vehicle seat with noise insulation |
| CN201227238Y (en) * | 2008-07-30 | 2009-04-29 | 刘永园 | Low noise cleaner |
| JP2013001212A (en) * | 2011-06-15 | 2013-01-07 | Toyota Boshoku Corp | Vehicle seat |
| CN202519612U (en) * | 2012-03-30 | 2012-11-07 | 厦门厦工重工有限公司 | Low-noise sweeping dual-purpose vehicle |
| CN202835646U (en) * | 2012-07-30 | 2013-03-27 | 李国培 | Noise-proof exhaust fan |
| CN203068727U (en) * | 2012-12-05 | 2013-07-17 | 周进坤 | Air-exhausting and noise-eliminating channel |
| CN203375564U (en) * | 2013-07-30 | 2014-01-01 | 王全贵 | Air purification exhaust channel |
| CN103953555A (en) * | 2014-05-19 | 2014-07-30 | 太仓博轩信息科技有限公司 | Novel low-noise air blower |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017128179A1 (en) | 2017-08-03 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180928 |
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| RJ01 | Rejection of invention patent application after publication |