CN201333986Y - Automobile interior roof - Google Patents
Automobile interior roof Download PDFInfo
- Publication number
- CN201333986Y CN201333986Y CNU2008202087495U CN200820208749U CN201333986Y CN 201333986 Y CN201333986 Y CN 201333986Y CN U2008202087495 U CNU2008202087495 U CN U2008202087495U CN 200820208749 U CN200820208749 U CN 200820208749U CN 201333986 Y CN201333986 Y CN 201333986Y
- Authority
- CN
- China
- Prior art keywords
- roof
- interior roof
- automotive interior
- chamber
- inner decorative
- 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.)
- Expired - Fee Related
Links
- 229920000742 Cotton Polymers 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 12
- 238000010009 beating Methods 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 3
- 230000008929 regeneration Effects 0.000 claims description 3
- 238000011069 regeneration method Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract 2
- 238000002835 absorbance Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000006854 communication Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
Images
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
Abstract
An automobile interior roof comprises an interior roof body and an automobile roof metal plate connected with the interior roof, wherein, a certain gap, which is formed between the interior top roof body and the automobile roof metal plate, forms a chamber; and a plurality of through holes are formed on the interior roof body. The automobile roof can effectively improve the acoustic absorption characteristics of the roof, and particularly can focus on some frequency band of noise which needs to be improved mainly to adjust the acoustic absorption effect of the roof in the frequency band, and the tility model has the advantages of simple structure and low cost.
Description
Technical field
The utility model relates to a kind of automotive interior roof, especially a kind of automotive interior roof with sound absorption function.
Background technology
Along with developing rapidly of auto-industry, people are for the traveling comfort of automobile and the more and more strictness of requirement of noise control, and the size of noise also becomes one of important indicator of judging travelling comfort in the car.But along with the highway in China quality improves day by day, especially express highway constantly increases, and automobile also just develops towards high speed, weight-saving direction, and the problem of noise is also more and more outstanding in the car that brings therefrom.On the other hand, along with the raising of people's living standard, automobile enters family in a large number, and the vehicle type that people touch is more and more, the degree of understanding of automobile is also improved constantly, so that also more and more fastidious to the noise control in the car.
Well-known in addition, the interior trim parts of automobile can play important effect to noise in the control car.Therefore, how carry out simple and effective improvement and reduce that noise becomes problem demanding prompt solution in the car at the automotive trim parts.
The utility model content
The purpose of this utility model is to provide a kind of automotive interior roof of perforate surface, this automotive interior roof can effectively improve the acoustical absorbance properties of ceiling, the more important thing is and to regulate the sound-absorbing effect of ceiling in this frequency range at certain the frequency range noise that needs emphasis to improve in the car.
Automotive interior roof of the present utility model is such design-calculated:
A kind of automotive interior roof, it comprise the inner decorative ceiling body and with this inner decorative ceiling body bonded assembly roof panel beating, have certain interval between described inner decorative ceiling body and the described roof panel beating, this gap forms a chamber; Also be provided with a plurality of through holes on the described inner decorative ceiling body.
As preferred implementation, be provided with acoustical cotton in the described chamber.
As preferred implementation, the area of described acoustical cotton is slightly less than the area of described chamber or identical with the area of described chamber.
As preferred implementation, the thickness of described acoustical cotton is slightly less than or equals the height of described chamber.
As preferred implementation, the material of described acoustical cotton is for being regeneration foam, PE expanded material, PU expanded material or felt.
As preferred implementation, the diameter of described a plurality of through holes is identical.
As preferred implementation, the diameter difference of described a plurality of through holes.
Roof of the vehicle of the present utility model can effectively improve the acoustical absorbance properties of ceiling, especially can regulate the sound-absorbing effect of ceiling in this frequency range at certain the frequency range noise that needs emphasis to improve in the car, and simple in structure, with low cost.
Description of drawings
Describe automotive interior roof of the present utility model in detail below in conjunction with accompanying drawing, wherein:
Fig. 1 is the cut-away view of automotive interior roof of the present utility model.
The specific embodiment
As shown in Figure 1, automotive interior roof of the present utility model comprise inner decorative ceiling body 10 and with these inner decorative ceiling body 10 bonded assembly roof panel beatings 12.Have certain interval between described inner decorative ceiling body 10 and the described roof panel beating 12, this gap forms a chamber 16, also is provided with a plurality of through holes 100 on the described inner decorative ceiling body 10.In addition, can also be provided with acoustical cotton 14 in the described chamber 16, the thickness of acoustical cotton 14 determines according to the height of described chamber 16 that in principle promptly the thickness of acoustical cotton 14 is slightly less than or equals the height of described chamber 16.Preferably, described acoustical cotton 14 is paved with described chamber 16 as far as possible, so that acoustical cotton 14 can reach maximum sound-absorbing effect.
Preferably, described acoustical cotton 14 captives joint by the mode of pasting with inner decorative ceiling body 10 inside faces.The material of described acoustical cotton 14 is preferably regeneration foam, PE expanded material, PU expanded material or felt etc.
When the noise in the car arrives automotive interior roof surperficial, the permeability to air hole that has by inner decorative ceiling body 10 materials of part sound itself enter ceiling and enter inner decorative ceiling body 10 and roof panel beating 12 between chamber 16 or acoustical cotton 14 in, sound is partially absorbed in this communication process, acoustic energy is converted into heat energy, arrives the purpose of sound absorption.A part of in addition sound then directly enters in chamber 16 or the acoustical cotton 14 by the through hole on the inner decorative ceiling body 10 100, and this process can cause the concussion of air in chamber 16 or the acoustical cotton 14, thereby arrives the purpose of sound absorption.
It will be understood by those skilled in the art that and to arrive the purpose that absorbs different frequency range sound according to the diameter of the height adjustment through hole 100 of chamber 16.Such as when increasing the diameter of through hole 100, acoustical absorbance properties moves to low frequency, otherwise moves to high frequency; When increasing the quantity of through hole 100, acoustical absorbance properties also moves to low frequency, otherwise moves to high frequency.
In the design process of vehicle, the principle of design of automotive interior roof is: at first according to the noiseproof feature requirement to car load, determine the requirement of automotive interior roof sound absorption characteristics; Secondly determine the height of chamber 16 according to the real space in the car; According to desired maximum sound absorption frequency range of material, thickness and the sound absorption characteristics curve of described inner decorative ceiling body 10 and coefficient of sound-absorption, calculate the number and the diameter of needed through hole 100 then; Select the used material of suitable acoustical cotton 14 at last, the coefficient of sound-absorption of inner decorative ceiling system is finally met design requirement.The diameter that it will be understood by those skilled in the art that described a plurality of through hole 100 also can be inequality, so that be fit to absorb the noise of different frequency range.
The foregoing description is only for the usefulness that the utility model is described, and be not to be to restriction of the present utility model, the those of ordinary skill in relevant technologies field, under the situation that does not break away from the utility model scope, can also make various variations and modification, so all technical schemes that are equal to also should belong to category of the present utility model.
Claims (7)
1. automotive interior roof, it comprise the inner decorative ceiling body and with this inner decorative ceiling body bonded assembly roof panel beating, it is characterized in that: have certain interval between described inner decorative ceiling body and the described roof panel beating, this gap forms a chamber; Also be provided with a plurality of through holes on the described inner decorative ceiling body.
2. automotive interior roof according to claim 1 is characterized in that: be provided with acoustical cotton in the described chamber.
3. automotive interior roof according to claim 2 is characterized in that: the area of described acoustical cotton is slightly less than the area of described chamber or identical with the area of described chamber.
4. automotive interior roof according to claim 3 is characterized in that: the thickness of described acoustical cotton is slightly less than or equals the height of described chamber.
5. according to any described automotive interior roof of claim 2-4, it is characterized in that: the material of described acoustical cotton is regeneration foam, PE expanded material, PU expanded material or felt.
6. according to any described automotive interior roof of claim 1-4, it is characterized in that: the diameter of described a plurality of through holes is identical.
7. according to any described automotive interior roof of claim 1-4, it is characterized in that: the diameter difference of described a plurality of through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202087495U CN201333986Y (en) | 2008-12-30 | 2008-12-30 | Automobile interior roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202087495U CN201333986Y (en) | 2008-12-30 | 2008-12-30 | Automobile interior roof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201333986Y true CN201333986Y (en) | 2009-10-28 |
Family
ID=41285629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202087495U Expired - Fee Related CN201333986Y (en) | 2008-12-30 | 2008-12-30 | Automobile interior roof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201333986Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238285A (en) * | 2015-09-23 | 2016-01-13 | 常州市泛亚汽车饰件有限公司 | Automobile internal-damping vibration-attenuation sound-insulation regenerated rubber-plastic foam mixedly-pressed sheet material and preparation method thereof |
| CN105235610A (en) * | 2015-11-19 | 2016-01-13 | 上海贝洱热系统有限公司 | Air conditioning silencer and air conditioning box |
| CN105235332A (en) * | 2015-09-23 | 2016-01-13 | 常州市泛亚汽车饰件有限公司 | Automobile inner decorative fabric-regenerated foam compounded and pressed ceiling sheet material and preparation method thereof |
| CN105255375A (en) * | 2015-09-23 | 2016-01-20 | 常州市泛亚汽车饰件有限公司 | Heat and sound insulation recycled rubber, plastic and foam mixed compacted aluminum-coated sheet and preparation method thereof |
| CN106585726A (en) * | 2016-10-28 | 2017-04-26 | 奇瑞汽车股份有限公司 | Automobile skylight ceiling with opening and damping structure |
-
2008
- 2008-12-30 CN CNU2008202087495U patent/CN201333986Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105238285A (en) * | 2015-09-23 | 2016-01-13 | 常州市泛亚汽车饰件有限公司 | Automobile internal-damping vibration-attenuation sound-insulation regenerated rubber-plastic foam mixedly-pressed sheet material and preparation method thereof |
| CN105235332A (en) * | 2015-09-23 | 2016-01-13 | 常州市泛亚汽车饰件有限公司 | Automobile inner decorative fabric-regenerated foam compounded and pressed ceiling sheet material and preparation method thereof |
| CN105255375A (en) * | 2015-09-23 | 2016-01-20 | 常州市泛亚汽车饰件有限公司 | Heat and sound insulation recycled rubber, plastic and foam mixed compacted aluminum-coated sheet and preparation method thereof |
| CN105255375B (en) * | 2015-09-23 | 2018-07-20 | 常州市泛亚汽车饰件有限公司 | Aluminum sheet and preparation method thereof is covered in a kind of regeneration rubber-plastic foam mixing compacting of heat-insulating sound-insulating |
| CN105238285B (en) * | 2015-09-23 | 2018-07-20 | 常州市泛亚汽车饰件有限公司 | A kind of regeneration rubber-plastic foam mixing compacting sheet material of automobile internal damping shock-absorption sound-insulation and preparation method thereof |
| CN105235610A (en) * | 2015-11-19 | 2016-01-13 | 上海贝洱热系统有限公司 | Air conditioning silencer and air conditioning box |
| CN106585726A (en) * | 2016-10-28 | 2017-04-26 | 奇瑞汽车股份有限公司 | Automobile skylight ceiling with opening and damping structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091028 Termination date: 20161230 |