CN208730764U - Skylight and automobile - Google Patents
Skylight and automobile Download PDFInfo
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- CN208730764U CN208730764U CN201821468555.9U CN201821468555U CN208730764U CN 208730764 U CN208730764 U CN 208730764U CN 201821468555 U CN201821468555 U CN 201821468555U CN 208730764 U CN208730764 U CN 208730764U
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- skylight
- cell wall
- noise reduction
- slot
- automobile
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Abstract
The utility model provides a kind of skylight and automobile, is related to vehicle dormer window technical field, the skylight includes skylight sash and skylight glass, is provided with noise reduction slot on the front end frame of the skylight sash；The noise reduction slot is strip groove, and the opening direction of the noise reduction slot is towards outside car body；The noise reduction slot includes preceding cell wall, rear cell wall and slot bottom, and the two sides of the slot bottom are separately connected the preceding cell wall and the rear cell wall；The height of cell wall is less than the height of the preceding cell wall after described, and after skylight glass closure, before the front end of the skylight glass is against on cell wall, the rear cell wall is located at the downside of the skylight glass.The skylight of the application alleviates automobile in the prior art in opened skylight, and there are the technical problems that fluid noise is big at skylight.
Description
Technical field
The utility model relates to vehicle dormer window technical fields, more particularly, to a kind of skylight and automobile.
Background technique
Vehicle dormer window can improve in-vehicle air flowing, but very big noise can be generated after opened skylight, this noise
Easily cause the sense of discomfort of driver and passenger, some drivers even have the fidgets uneasiness, this easily causes traffic accident.
To sum up, how a kind of skylight is provided, wind shake noise can be effectively reduced in running car, and noise reduction effect is bright
It is aobvious, it is those skilled in the art's urgent problem to be solved.Based on this, it is above-mentioned to solve that the present invention provides a kind of skylights and automobile
The technical issues of.
Utility model content
The purpose of this utility model is to provide a kind of skylight and automobiles, are opening day to alleviate automobile in the prior art
When window, there are the technical problems that fluid noise is big at skylight.
Skylight provided by the utility model, including skylight sash and skylight glass are set on the front end frame of the skylight sash
It is equipped with noise reduction slot；The noise reduction slot is strip groove, and the opening direction of the noise reduction slot is towards outside car body；Before the noise reduction slot includes
Cell wall, rear cell wall and slot bottom, the two sides of the slot bottom are separately connected the preceding cell wall and the rear cell wall；The height of cell wall after described
Degree is less than the height of the preceding cell wall, after skylight glass closure, before the front end of the skylight glass is against on cell wall, and institute
State the downside that rear cell wall is located at the skylight glass.
Further, the length direction of the noise reduction slot prolongs the width direction of automobile, and the width direction of the noise reduction slot is prolonged
The length direction of automobile.
Further, the preceding cell wall, the rear cell wall and the slot bottom are in broken line type.
Further, the slot bottom of the noise reduction slot and the cell wall at both ends connect into a camber line.
Further, the preceding cell wall and it is described after cell wall opening distance be 70mm to 90mm.
Further, the distance from the slot bottom to opening of the rear cell wall is 40mm-50mm.
Further, the camber line is in minor arc.
The skylight provided by the utility model includes skylight sash and skylight glass, is set on the front end frame of skylight sash
Set noise reduction slot, noise reduction slot is strip groove, the opening direction of noise reduction slot outwardly, the top of vehicle.
Noise reduction slot includes preceding cell wall, rear cell wall and slot bottom interconnected.The height of cell wall is less than the height of preceding cell wall afterwards,
After skylight glass closure, before the front end of skylight glass is against on cell wall, rear cell wall is located at the downside of skylight glass.When skylight glass
After glass is opened, noise reduction slot has the function of reducing skylight noise.
The skylight provided by the utility model, the principle that noise reduction slot thereon can reduce skylight noise is:
Firstly, the main source of skylight noise is that wind shake is made an uproar after skylight glass unlatching.The producing cause of sound wind shake noise is:
Automobile travels on highway, and when skylight is opened, outside has that air-flow is inswept, can form a shear layer in the leading edge of skylight.Work as vapour
When vehicle reaches certain speed, this shear layer can become unstable, and then occur to crimp and become vortex, and above-mentioned vortex is one
A concentrated vorticity carries very big energy.
Automobile in traveling, generated concentrated vorticity fall off from the leading edge of skylight, and the downstream drift to skylight.When upper
When stating the rear of fluid whirl shock skylight, vortex breakdown invades interior and generates noise in turn.This Vortex Shedding
The process floatd under can with some frequency periodicity occur, this makes its generated noise further generate acoustic resonance,
This acoustic resonance is properly termed as wind shake noise.
Therefore, wind shake noise is the Main Noise Sources in vehicle traveling process, highly impacts the comfort of driving, and
Noise pollution is caused to the environment of surrounding.
The mechanism for the vortex that periodically falls off is resulted from according to above-mentioned wind shake noise, the skylight provided by the utility model
Vibration damping thinking is: noise reduction slot being arranged on the front end frame of skylight sash, noise reduction slot is a groove, so that Shedding Vortex is downstream
Before drift just in " being trapped into " groove, and " being bottled up ", the energy of downstream drift concentrated vorticity is thus reduced, to reach
Reduce the purpose of wind shake noise.
The automobile that the utility model also provides, including above-mentioned skylight.
Automobile provided by the utility model, skylight are mounted on the roof of automobile.Since above-mentioned skylight has above-mentioned skill
Art effect, the automobile with above-mentioned skylight should also have corresponding technical effect.
Based on this, the utility model is compared with original technology, and after there is skylight to open, nearby generated noise is minimum for skylight
The advantages of.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the car body sheet metal structural figure of the automobile with skylight described in embodiment；
Fig. 2 is the car body sheet metal structural figure of skylight described in embodiment；
Fig. 3 is the partial schematic diagram of the noise reduction slot of skylight.
Label: 100- skylight sash；110- noise reduction slot；Cell wall before 111-；Cell wall after 112-；113- slot bottom.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", " left side ",
" right side ", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or
Positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, such as there is term " first ", " second ", " third " are used for description purposes only, be not understood to indicate or imply opposite
Importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, such as there is term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Embodiment
As shown in Figure 1-Figure 3, a kind of skylight is provided in the present embodiment, and the skylight includes skylight sash 100 and day
Glass pane is provided with noise reduction slot 110 on the front end frame of the skylight sash 100；The noise reduction slot 110 is strip groove, the drop
Make an uproar slot 110 opening direction towards outside car body；The noise reduction slot 110 includes preceding cell wall 111, rear cell wall 112 and slot bottom 113, institute
The two sides for stating slot bottom 113 are separately connected the preceding cell wall 111 and the rear cell wall 112；The height of cell wall 112 is less than institute after described
The height of cell wall 111 before stating, after skylight glass closure, before the front end of the skylight glass is against on cell wall, after described
Cell wall is located at the downside of the skylight glass.
The skylight provided by the utility model includes skylight sash and skylight glass, is set on the front end frame of skylight sash
Set noise reduction slot, noise reduction slot is strip groove, the opening direction of noise reduction slot outwardly, the top of vehicle.
Noise reduction slot includes preceding cell wall, rear cell wall and slot bottom interconnected.The height of cell wall is less than the height of preceding cell wall afterwards,
After skylight glass closure, before the front end of skylight glass is against on cell wall, rear cell wall is located at the downside of skylight glass.When skylight glass
After glass is opened, noise reduction slot has the function of reducing skylight noise.
The skylight provided by the utility model, the principle that noise reduction slot thereon can reduce skylight noise is:
Firstly, the main source of skylight noise is that wind shake is made an uproar after skylight glass unlatching.The producing cause of sound wind shake noise is:
Automobile travels on highway, and when skylight is opened, outside has that air-flow is inswept, can form a shear layer in the leading edge of skylight.Work as vapour
When vehicle reaches certain speed, this shear layer can become unstable, and then occur to crimp and become vortex, and above-mentioned vortex is one
A concentrated vorticity carries very big energy.
Automobile in traveling, generated concentrated vorticity fall off from the leading edge of skylight, and the downstream drift to skylight.When upper
When stating the rear of fluid whirl shock skylight, vortex breakdown invades interior and generates noise in turn.This Vortex Shedding
The process floatd under can with some frequency periodicity occur, this makes its generated noise further generate acoustic resonance,
This acoustic resonance is properly termed as wind shake noise.
Therefore, wind shake noise is the Main Noise Sources in vehicle traveling process, highly impacts the comfort of driving, and
Noise pollution is caused to the environment of surrounding.
The mechanism for the vortex that periodically falls off is resulted from according to above-mentioned wind shake noise, the skylight provided by the utility model
Vibration damping thinking is: noise reduction slot being arranged on the front end frame of skylight sash, noise reduction slot is a groove, so that Shedding Vortex is downstream
Before drift just in " being trapped into " groove, and " being bottled up ", the energy of downstream drift concentrated vorticity is thus reduced, to reach
Reduce the purpose of wind shake noise.
On the basis of the above embodiments, further, the length direction of the noise reduction slot prolongs the width direction of automobile, institute
The width direction for stating noise reduction slot prolongs the length direction of automobile.
As shown in Figure 1-Figure 3, on the basis of the above embodiments, further, a kind of structure of noise reduction slot is: described
Preceding cell wall, the rear cell wall and the slot bottom are in broken line type.
One kind of noise reduction slot is preferably sized: the preceding cell wall and it is described after cell wall opening distance be 70mm extremely
90mm；The distance from the slot bottom to opening of cell wall is 40mm-50mm after described.This size can be suitably used for most of
Automobile.
On the basis of the above embodiments, further, another specific structure of noise reduction slot is: the slot of the noise reduction slot
The cell wall at bottom and both ends connects into a camber line.Optionally, the camber line is in minor arc.
The utility model additionally provides a kind of automobile, including above-mentioned skylight.Skylight is mounted on the roof of automobile.
Based on this, the utility model is compared with original technology, and after there is skylight to open, nearby generated noise is minimum for skylight
The advantages of.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (8)
1. a kind of skylight, which is characterized in that including skylight sash and skylight glass, be provided on the front end frame of the skylight sash
Noise reduction slot；The noise reduction slot is strip groove, and the opening direction of the noise reduction slot is towards outside car body；
The noise reduction slot includes preceding cell wall, rear cell wall and slot bottom, and the two sides of the slot bottom are separately connected the preceding cell wall and described
Cell wall afterwards；The height of cell wall is less than the height of the preceding cell wall after described, after skylight glass closure, the skylight glass
Front end be against before on cell wall, it is described after cell wall be located at the downside of the skylight glass.
2. skylight according to claim 1, which is characterized in that the length direction of the noise reduction slot prolongs the width side of automobile
To the width direction of the noise reduction slot prolongs the length direction of automobile.
3. skylight according to claim 1, which is characterized in that the preceding cell wall, the rear cell wall and the slot bottom are in folding
Line style.
4. skylight according to claim 1, which is characterized in that the slot bottom of the noise reduction slot and the cell wall at both ends connect into one
Camber line.
5. skylight according to claim 3 or 4, which is characterized in that the preceding cell wall and the rear cell wall are in opening
Distance is 70mm to 90mm.
6. skylight according to claim 3 or 4, which is characterized in that it is described after cell wall from the slot bottom to opening
Distance is 40mm-50mm.
7. skylight according to claim 4, which is characterized in that the camber line is in minor arc.
8. a kind of automobile, which is characterized in that including such as described in any item skylights of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468555.9U CN208730764U (en) | 2018-09-07 | 2018-09-07 | Skylight and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821468555.9U CN208730764U (en) | 2018-09-07 | 2018-09-07 | Skylight and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208730764U true CN208730764U (en) | 2019-04-12 |
Family
ID=66034100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821468555.9U Active CN208730764U (en) | 2018-09-07 | 2018-09-07 | Skylight and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208730764U (en) |
-
2018
- 2018-09-07 CN CN201821468555.9U patent/CN208730764U/en active Active
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