CN108016376A - A kind of enging cabin sound-insulating structure and the car using the structure - Google Patents
A kind of enging cabin sound-insulating structure and the car using the structure Download PDFInfo
- Publication number
- CN108016376A CN108016376A CN201610937211.7A CN201610937211A CN108016376A CN 108016376 A CN108016376 A CN 108016376A CN 201610937211 A CN201610937211 A CN 201610937211A CN 108016376 A CN108016376 A CN 108016376A
- Authority
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- China
- Prior art keywords
- sound
- sealing plate
- floor
- puigging
- insulating structure
- 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
- 238000013016 damping Methods 0.000 claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims description 97
- 239000011358 absorbing material Substances 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 238000009408 flooring Methods 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 241000219146 Gossypium Species 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000001629 suppression Effects 0.000 claims description 5
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000001603 reducing effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0838—Insulating elements, e.g. for sound insulation for engine compartments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0884—Insulating elements, e.g. for sound insulation for mounting around noise sources, e.g. air blowers
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Body Structure For Vehicles (AREA)
Abstract
A kind of car the present invention relates to enging cabin sound-insulating structure and using the structure, enging cabin sound-insulating structure include floor layer and sound absorbing layer, puigging are provided between floor layer and sound absorbing layer, sound insulation cavity and/or damping body are provided with puigging.Compared with the puigging of multilayer is pasted in traditional sound insulating structure, the cavity structure set in this puigging can be effectively reduced the volume of noise, the damping body set in puigging the body frame that can effectively decay is transferred to the structural vibration noise on floor, and so setting can cause the soundproof effect of enging cabin sound-insulating structure to be greatly improved.
Description
Technical field
The present invention relates to enging cabin field, and in particular to a kind of enging cabin sound-insulating structure and the visitor using the structure
Car.
Background technology
With the development of Bus ＆ Coach Industry, requirement of the people for car riding comfort is higher and higher, and in-car noise becomes
A key factor of comfort of passenger is influenced, controls in-car noise to be not only the protection to passenger, is even more railway car manufacture water
Flat important embodiment.
Engine is the Main Noise Sources of car, and the various engine accessory power ratings arranged in enging cabin, such as gas handling system, arrange
Gas system, cooling fan, booster, air compressor machine etc., and the Main Noise Sources of car, control the sound insulation and noise reducing of enging cabin
It is particularly important.
Traditional engine cabin of passenger car sound insulating structure is as shown in Figure 1, where the sound-insulating structure from engine of enging cabin
Fixed net 16, sound absorbing layer 9, sound insulating layer 10,15, sound insulating layer 12 of setting a roof beam in place, wood are disposed with direction inside side to car
Floor 13, flooring laminate 14, sound insulating layer 10 be fixedly connected on set a roof beam in place 15 top, sound insulating layer 12, which is fixedly connected on, sets a roof beam in place under 15
Side, sound absorbing layer 11 are filled in the space that 15, sound insulating layer 10 and sound insulating layer 12 surround of setting a roof beam in place.This sound-insulating structure simply using every
The simple heap of sound layer and sound absorbing layer adds, and sound insulation and noise reduction effect is not strong, when continuing to lift up sound insulation and noise reducing effect in this structure, drop
Make an uproar performance boost space it is little, and the assembling process of this sound-insulating structure material is relatively complicated, adds sound-insulating structure
Weight and manufacture cost.
The content of the invention
It is poor to solve enging cabin sound insulation and noise reduction effect it is an object of the invention to provide a kind of enging cabin sound-insulating structure
Technical problem.
It is poor to solve the enging cabin sound insulation and noise reduction effect of car it is another object of the present invention to provide a kind of car
Technical problem.
To achieve the above object, a kind of technical solution of enging cabin sound-insulating structure of the invention is：Enging cabin sound insulation
Structure includes floor layer and attractable layer, and puigging is provided between the floor layer and the sound absorbing layer, is set in the puigging
It is equipped with sound insulation cavity and/or damping body.
When the puigging of sound insulation cavity and/or damping body is provided between floor layer and attractable layer, the floor layer
Including floor and flooring laminate.
When the puigging of sound insulation cavity and/or damping body is provided between floor layer and attractable layer, the sound absorbing layer
Including upper sealing plate and lower sealing plate, sound-absorbing material is filled between the upper sealing plate and lower sealing plate.
When sound-absorbing material is filled between upper sealing plate and lower sealing plate, the upper sealing plate and lower sealing plate are steel tabular knot
Structure, the upper sealing plate is different from the thickness of the lower sealing plate, and the upper sealing plate, sound-absorbing material and lower sealing plate form doubling plate sound insulation
Structure.
When upper sealing plate, sound-absorbing material and lower sealing plate form doubling plate sound insulating structure, the upper sealing plate and the lower sealing plate
Between be provided with floor frame and chair framework, the upper sealing plate is fixedly connected on the top of the floor frame, the lower envelope
Plate is fixedly connected on the lower section of the floor frame, and the chair framework is fixedly connected with the floor frame and the floor
The lower surface of the puigging is close in the upper surface of skeleton, the sound-absorbing material be filled in the puigging and the lower sealing plate with
In the remaining space that the floor frame is surrounded.
Structure in sound absorbing layer arranges that the sound-absorbing material in sound absorbing layer is PP+PET two-component sound-absorbings anyway
Cotton.
Floor layer, attractable layer and puigging are arranged anyway, and the damping body of sound insulation cavity is formed in the puigging
For spaced cushion blocking or with effectiveness in vibration suppression Jiao Dui.
A kind of technical solution of car of the present invention is：A kind of car, including enging cabin sound-insulating structure, the engine
Cabin sound-insulating structure includes floor layer and sound absorbing layer, and puigging, the sound insulation are provided between the floor layer and the sound absorbing layer
Sound insulation cavity and/or damping body are provided with layer.
When the puigging of sound insulation cavity and/or damping body is provided between floor layer and attractable layer, the floor layer
Including floor and flooring laminate.
When the puigging of sound insulation cavity and/or damping body is provided between floor layer and attractable layer, the sound absorbing layer
Including upper sealing plate and lower sealing plate, sound-absorbing material is filled between the upper sealing plate and lower sealing plate.
When sound-absorbing material is filled between upper sealing plate and lower sealing plate, the upper sealing plate and lower sealing plate are steel tabular knot
Structure, the upper sealing plate is different from the thickness of the lower sealing plate, and the upper sealing plate, sound-absorbing material and lower sealing plate form doubling plate sound insulation
Structure.
When upper sealing plate, sound-absorbing material and lower sealing plate form doubling plate sound insulating structure, the upper sealing plate and the lower sealing plate
Between be provided with floor frame and chair framework, the upper sealing plate is fixedly connected on the top of the floor frame, the lower envelope
Plate is fixedly connected on the lower section of the floor frame, and the chair framework is fixedly connected with the floor frame and the floor
The lower surface of the puigging is close in the upper surface of skeleton, the sound-absorbing material be filled in the puigging and the lower sealing plate with
In the remaining space that the floor frame is surrounded.
Structure in sound absorbing layer arranges that the sound-absorbing material in sound absorbing layer is PP+PET two-component sound-absorbings anyway
Cotton.
Floor layer, attractable layer and puigging are arranged anyway, and the damping body of sound insulation cavity is formed in the puigging
For spaced cushion blocking or with effectiveness in vibration suppression Jiao Dui.
The beneficial effects of the invention are as follows：The present invention provides a kind of enging cabin sound-insulating structure and the car using the structure,
Enging cabin sound-insulating structure includes floor layer and sound absorbing layer, and puigging is provided between floor layer and sound absorbing layer, is set in puigging
It is equipped with sound insulation cavity and/or damping body.Compared with the puigging of multilayer is pasted in traditional sound insulating structure, set in this puigging
Cavity structure can be effectively reduced the volume of noise, the damping body set in puigging can effectively decay body frame
The structural vibration noise on floor is transferred to, so setting can cause the soundproof effect of enging cabin sound-insulating structure to obtain greatly
Improve.
The sound absorbing layer of the enging cabin sound-insulating structure of the present invention includes upper sealing plate and lower sealing plate, between upper sealing plate and lower sealing plate
Filled with sound-absorbing material, upper sealing plate and lower sealing plate are all steel platy structure, and upper sealing plate is different with the thickness of lower sealing plate, this
Sample is set so that upper sealing plate, sound-absorbing material and lower sealing plate constitute doubling plate sound insulating structure, and this doubling plate sound insulating structure can
Effectively reduce the influence caused by sound insulation effect of " coincidence effect " due to doubling plate, can significantly be lifted enging cabin every
Sound structure soundproof effect.
Brief description of the drawings
Fig. 1 is the structure diagram of traditional engine cabin of passenger car sound-insulating structure；
Fig. 2 is the position schematic diagram of inventive engine cabin sound-insulating structure；
Fig. 3 is the first structure schematic diagram of inventive engine cabin sound-insulating structure；
Fig. 4 is the second structure diagram of inventive engine cabin sound-insulating structure.
Embodiment
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment of the car of the present invention, as shown in Fig. 2, car includes enging cabin sound-insulating structure 17, engine
Cabin sound-insulating structure 17 is arranged between enging cabin 20 and interior space 21, and engine assembly 19 is provided with enging cabin 20,
Seat 18 is provided with interior space 21.
Fig. 3 is the partial structural diagram of enging cabin sound-insulating structure 17, and Fig. 4 is starting for enging cabin sound-insulating structure 17
The structure diagram of the top of cabin 20, Fig. 3 and Fig. 4 are the schematic cross-sections along car length direction.Enging cabin sound insulation knot
Structure 17 is from enging cabin 20 to being disposed with lower sealing plate 1, sound-absorbing material 2, upper sealing plate 3, vibration damping on the direction of interior space 21
Body 4, timber floor 5 and flooring laminate 6, floor frame 7 and chair framework 8, chair framework 8 are provided between lower sealing plate 1 and upper sealing plate 3
Top be provided with seat 18.Timber floor 5 and flooring laminate 6 form floor layer 100, upper sealing plate 3, sound-absorbing material 2 and lower 1 structure of sealing plate
Into sound absorbing layer 110, set between floor layer 100 and sound absorbing layer 110 for puigging 111, be provided with damping body in puigging 111
4。
During assembling, lower sealing plate 1 is directly welded at the lower section of floor frame 7, and the both ends of chair framework 8 are welded on floor frame
On 7, sound-absorbing material 2 is filled in the neutral gear between floor frame 7 and chair framework 8, and after filling, upper sealing plate 3 is fixed
The top of floor frame 7 and chair framework is connected to, damping body 4 is pasted and fixed on the top of upper sealing plate 3, and timber floor 5 is pasted solid
The top of damping body 4 is scheduled on, flooring laminate 6 is pasted onto the top of timber floor 5.
Damping body 4 is pasted and fixed between upper sealing plate 3 and timber floor 5, and damping body 4 is spaced apart in the present embodiment
The cushion blocking of more than 5mm or with effectiveness in vibration suppression Jiao Dui, 4 arranged for interval of damping body between upper sealing plate 3 and timber floor 5,
And adjacent damping body 4 is surrounded by cavity structure with upper sealing plate 3 and timber floor 5, and this cavity structure can effectively decay
Vibration noise, can make the sound insulation value of enging cabin sound-insulating structure be greatly improved.In other embodiments, damping body
4 can be adopted as the damping material with cavity or be set using the damping material of monoblock in puigging 111.Timber floor 5
The floor that the other materials such as plastic floor or steel floor can be used to form.
Lower sealing plate 1 steel material identical with 3 use of upper sealing plate, but lower sealing plate 1 is different from the thickness of upper sealing plate 3, under
Sealing plate 1, sound-absorbing material 2 and upper sealing plate 3 constitute doubling plate sound insulating structure, and this doubling plate sound insulating structure can be carried significantly
The sound insulation effect of high enging cabin sound-insulating structure, and steel plate of the lower sealing plate 1 with upper sealing plate 3 using different-thickness, are so set
The influence of " coincidence effect " of doubling plate sound insulating structure to overall sound insulation effect can be reduced.
Sound-absorbing material 2 is filled between lower sealing plate 1 and upper sealing plate 3, and sound-absorbing material 2 uses PP+PET two-component acoustical cottons,
This sound-absorbing cotton material has high sound-absorption coefficient, and also has the advantages that sound-absorbing effect is good, density is low and environmentally friendly, can be hair
Dynamic machinery space sound-insulating structure provides more preferable soundproof effect, and in other embodiments, sound-absorbing material 2 can also use asbestos etc. porous
Sound-absorbing material.
Floor frame 7, chair framework 8, damping body 4 and timber floor 5 form vibration-damping supporting structure, and this structure can be effective
The body frame for reducing car is transferred to the structural vibration noise on floor, significantly lifts the riding comfort of car.
The present invention enging cabin sound-insulating structure specific embodiment, the concrete structure of enging cabin sound-insulating structure with it is above-mentioned
Structure in embodiment is identical, herein no longer narration in detail.
Claims (14)
1. a kind of enging cabin sound-insulating structure, including floor layer and sound absorbing layer, it is characterised in that：The floor layer and the sound-absorbing
Puigging is provided between layer, sound insulation cavity and/or damping body are provided with the puigging.
A kind of 2. enging cabin sound-insulating structure according to claim 1, it is characterised in that：The floor layer include floor and
Flooring laminate.
A kind of 3. enging cabin sound-insulating structure according to claim 1, it is characterised in that：The sound absorbing layer includes upper sealing plate
With lower sealing plate, sound-absorbing material is filled between the upper sealing plate and lower sealing plate.
A kind of 4. enging cabin sound-insulating structure according to claim 3, it is characterised in that：The upper sealing plate and lower sealing plate are equal
For steel platy structure, the upper sealing plate is different from the thickness of the lower sealing plate, the upper sealing plate, sound-absorbing material and lower sealing plate structure
Into doubling plate sound insulating structure.
A kind of 5. enging cabin sound-insulating structure according to claim 4, it is characterised in that：The upper sealing plate and the lower envelope
Floor frame and chair framework are provided between plate, the upper sealing plate is fixedly connected on the top of the floor frame, under described
Sealing plate is fixedly connected on the lower section of the floor frame, and the chair framework is fixedly connected and described with the floor frame
The lower surface of the puigging is close in the upper surface of framework, and the sound-absorbing material is filled in the puigging and the lower sealing plate
In the remaining space surrounded with the floor frame.
A kind of 6. enging cabin sound-insulating structure according to any claim in claim 3 to 5, it is characterised in that：Institute
It is PP+PET two-component acoustical cottons to state sound-absorbing material.
A kind of 7. enging cabin sound-insulating structure according to any claim in claim 1 to 5, it is characterised in that：Institute
The damping body for stating formation sound insulation cavity in puigging is spaced cushion blocking or the Jiao Dui with effectiveness in vibration suppression.
8. a kind of car, including enging cabin sound-insulating structure, the enging cabin sound-insulating structure includes floor layer and sound absorbing layer, its
It is characterized in that：Puigging is provided between the floor layer and the sound absorbing layer, be provided with the puigging sound insulation cavity and/
Or damping body.
A kind of 9. car according to claim 8, it is characterised in that：The floor layer includes floor and flooring laminate.
A kind of 10. car according to claim 8, it is characterised in that：The sound absorbing layer includes upper sealing plate and lower sealing plate, institute
State and sound-absorbing material is filled between upper sealing plate and lower sealing plate.
A kind of 11. car according to claim 10, it is characterised in that：The upper sealing plate and lower sealing plate are steel tabular
Structure, the upper sealing plate is different from the thickness of the lower sealing plate, the upper sealing plate, sound-absorbing material and lower sealing plate form doubling plate every
Acoustic form.
A kind of 12. car according to claim 11, it is characterised in that：Set between the upper sealing plate and the lower sealing plate
There are floor frame and chair framework, the upper sealing plate is fixedly connected on the top of the floor frame, and the lower sealing plate, which is fixed, to be connected
Be connected on the lower section of the floor frame, the chair framework be fixedly connected with the floor frame and the floor frame it is upper
The lower surface of the puigging is close on surface, and the sound-absorbing material is filled in the puigging and the lower sealing plate and the floor
In the remaining space that skeleton is surrounded.
A kind of 13. car according to any claim in claim 10 to 12, it is characterised in that：The sound-absorbing material
For PP+PET two-component acoustical cottons.
A kind of 14. car according to any claim in claim 8 to 12, it is characterised in that：In the puigging
The damping body for forming sound insulation cavity is spaced cushion blocking or the Jiao Dui with effectiveness in vibration suppression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610937211.7A CN108016376A (en) | 2016-11-01 | 2016-11-01 | A kind of enging cabin sound-insulating structure and the car using the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610937211.7A CN108016376A (en) | 2016-11-01 | 2016-11-01 | A kind of enging cabin sound-insulating structure and the car using the structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108016376A true CN108016376A (en) | 2018-05-11 |
Family
ID=62070530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610937211.7A Pending CN108016376A (en) | 2016-11-01 | 2016-11-01 | A kind of enging cabin sound-insulating structure and the car using the structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108016376A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619599A (en) * | 2020-06-23 | 2020-09-04 | 株洲时代新材料科技股份有限公司 | Sound insulation method for railway vehicle cab floor, floor structure and installation method thereof |
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| JP2006205871A (en) * | 2005-01-27 | 2006-08-10 | Mazda Motor Corp | Floor panel structure of car body |
| CN2880628Y (en) * | 2006-03-14 | 2007-03-21 | 金龙联合汽车工业（苏州）有限公司 | Multifunction partition apparatus of engine cabin of passenger car |
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| DE102012010463A1 (en) * | 2012-05-26 | 2013-11-28 | Daimler Ag | Carcass structure of motor car, has structural element that is made of a fiber-reinforced plastic, and cavity that is filled with a damping material |
| CN104608829A (en) * | 2015-01-16 | 2015-05-13 | 东风商用车有限公司 | Connecting structure for floor framework in oil tank area of aluminum alloy passenger car |
| CN111619599A (en) * | 2020-06-23 | 2020-09-04 | 株洲时代新材料科技股份有限公司 | Sound insulation method for railway vehicle cab floor, floor structure and installation method thereof |
-
2016
- 2016-11-01 CN CN201610937211.7A patent/CN108016376A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002046552A (en) * | 2000-08-01 | 2002-02-12 | Fuji Heavy Ind Ltd | Panel vibration damping and sound insulating structure for automobile |
| JP2006205871A (en) * | 2005-01-27 | 2006-08-10 | Mazda Motor Corp | Floor panel structure of car body |
| JP2007132146A (en) * | 2005-11-14 | 2007-05-31 | Sanpuku Kogyo Kk | Lining material for sound insulating floor material |
| CN2880628Y (en) * | 2006-03-14 | 2007-03-21 | 金龙联合汽车工业（苏州）有限公司 | Multifunction partition apparatus of engine cabin of passenger car |
| CN101450642A (en) * | 2008-12-29 | 2009-06-10 | 中通客车控股股份有限公司 | Passenger car floor with sound insulation and decrease of noise functions |
| DE102012010463A1 (en) * | 2012-05-26 | 2013-11-28 | Daimler Ag | Carcass structure of motor car, has structural element that is made of a fiber-reinforced plastic, and cavity that is filled with a damping material |
| CN104608829A (en) * | 2015-01-16 | 2015-05-13 | 东风商用车有限公司 | Connecting structure for floor framework in oil tank area of aluminum alloy passenger car |
| CN111619599A (en) * | 2020-06-23 | 2020-09-04 | 株洲时代新材料科技股份有限公司 | Sound insulation method for railway vehicle cab floor, floor structure and installation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111619599A (en) * | 2020-06-23 | 2020-09-04 | 株洲时代新材料科技股份有限公司 | Sound insulation method for railway vehicle cab floor, floor structure and installation method thereof |
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Application publication date: 20180511 |