CN203666352U - Automobile skylight assembly - Google Patents
Automobile skylight assembly Download PDFInfo
- Publication number
- CN203666352U CN203666352U CN201320612595.7U CN201320612595U CN203666352U CN 203666352 U CN203666352 U CN 203666352U CN 201320612595 U CN201320612595 U CN 201320612595U CN 203666352 U CN203666352 U CN 203666352U
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- Prior art keywords
- skylight
- roof
- spoiler
- opening
- vehicle
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Abstract
The utility model discloses an automobile skylight assembly which comprises a skylight support, an automobile roof and skylight glass. A skylight opening is formed in the automobile roof, and the skylight opening can be in an opened state or a closed state by changing the position of the skylight glass on the skylight support. When the skylight opening is in the opened state, a spoiler which is higher than the outer wall of the automobile roof is arranged on the front side of the skylight opening in a protruding mode, the skylight glass is provided with an effective opening relative to the automobile roof, and the height size of the spoiler and the length size of the effective opening formed in the skylight glass relative to the automobile roof meet a certain proportional relation. By the utilization of the automobile skylight assembly, aerodynamic noise performance of a whole automobile can be optimized, and on the basis of eliminating wind vibration sound of specific automobile speed, high-speed wind noise of the automobile can be effectively lowered.
Description
Technical field
The utility model relates to automobile manufacturing field, relates in particular to a kind ofly can reduce the shake vehicle dormer window assembly of sound of vehicle high-speed wind noise and specific speed of a motor vehicle wind simultaneously.
Background technology
In prior art, because height and the skylight glass of spoiler are unreasonable with respect to the size design of roof effective vent, when vehicle is with certain speed motion, skylight of vehicle glass is in the time of opening, be attached to the air-flow of roof in skylight opening part unstability, produce flow separation.For example: when air-flow is in generation whirlpool, the leading edge place group of skylight opening or occur brokenly, will cause the fluctuation of air pressure, form the shake sound source of sound of vehicle high-speed wind noise or specific speed of a motor vehicle wind; When air-flow occurs at the trailing edge place of skylight opening when broken, also can cause the fluctuation of air pressure, form the shake sound source of sound of specific speed of a motor vehicle wind, above situation all can have a strong impact on driver's driving and experience.
Also there is the technical matters that easily causes as follows aerodynamic noise in existing vehicle dormer window structure:
A, promote spoiler height to eliminate the specific speed of a motor vehicle wind sound that shakes, but applicant draws by test, the height of spoiler is higher, the high speed winds noise of vehicle is just larger;
B, reduce the height of spoiler to avoid the high speed winds noise of vehicle, but applicant show by test, when the height of spoiler is too low, the specific speed of a motor vehicle wind that cannot the eliminate vehicle sound that shakes;
C, by setting the open position of skylight glass, namely reduce as much as possible specific speed of a motor vehicle wind that skylight glass eliminates vehicle with respect to the effective vent of the roof sound that shakes.But be also one of factor affecting consumer purchasing power due to effective vent size, less effective vent size will certainly affect the commodity of car load.
Therefore, be necessary that the aerodynamics noise that proposes a kind of vehicle dormer window optimizes structure, make car load can reach good aerodynamics noise performance, to address the above problem.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of vehicle dormer window assembly is provided, and can optimize the aerodynamics noise performance of car load, eliminates specific speed of a motor vehicle wind and shakes on the basis of sound, effectively reduces the high speed winds noise of vehicle.
In order to solve the problems of the technologies described above, embodiments of the invention provide a kind of vehicle dormer window assembly, comprise: skylight support, cover the roof on skylight support and be installed in the skylight glass on skylight support, roof is provided with skylight opening, change the state of the position Ke Shi skylight opening of skylight glass on skylight support in opening or closing, wherein, under state at skylight opening in opening, the front side of skylight opening convexes with the spoiler higher than roof outer wall, the effective vent length dimension that the height dimension of spoiler and skylight glass form with respect to roof meets following condition: H=(3.4% ~ 3.7%) * L, wherein: the height that H is spoiler, L is skylight glass forms effective vent length with respect to roof.
Wherein, spoiler is provided with to reduce the flame diversion trough of roof high speed winds noise.
Wherein, evenly equidistant setting of flame diversion trough.
Wherein, the height value of spoiler is between 12.8mm-14.8mm.
Wherein, the length value that skylight glass forms effective vent with respect to roof is between 384.2mm-424.2mm.
Wherein, the height of spoiler is 13.8mm, and the length of effective vent is 394.2mm.
Vehicle dormer window assembly provided by the present invention, there is following beneficial effect: in the time opening skylight opening, the front side of skylight opening convexes with the spoiler higher than roof outer wall, spoiler can stop roof air-flow in generation whirlpool, the front side of skylight opening group and/or fragmentation occurs, or occurs broken at the rear side of skylight opening; Under the specific speed of a motor vehicle of vehicle is travelled, the effective vent that skylight glass arranges with respect to roof, can make vehicle roof air-flow can contact with skylight glass at the rear side of skylight opening via spoiler, avoids roof air-flow in rear side fragmentation.By setting spoiler height and skylight glass with respect to the ratio between roof effective vent size, do not affect vehicle commodity and can eliminate specific speed of a motor vehicle wind and shake on the basis of sound, effectively reduce the high speed winds noise of vehicle.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the utility model embodiment vehicle dormer window is not installed roof and the structural representation of skylight glass in opening.
Fig. 2 is the utility model embodiment vehicle dormer window installing roof and the structural representation of skylight glass in opening.
Fig. 3 is the utility model embodiment longitudinal cross-section structural representation of structure as shown in Figure 2.
Fig. 4 is the structural representation of the utility model embodiment skylight opening.
Fig. 5 is the structural representation under the opening closed condition of the utility model embodiment skylight.
Fig. 6 is the structural representation of the utility model embodiment spoiler.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
In conjunction with referring to shown in Fig. 1-Fig. 5, be the embodiment mono-of vehicle dormer window assembly of the present invention.
Vehicle dormer window assembly in the present embodiment comprises: skylight support 1, cover the roof 2 on skylight support 1 and be installed in the skylight glass 3 on skylight support 1, roof 2 is provided with skylight opening 20, change the state of the position Ke Shi skylight opening 20 of skylight glass 3 on skylight support 1 in opening or closing, wherein, under state at skylight opening 20 in opening, the front side 20a of skylight opening 20 convexes with the spoiler 4 higher than roof 2 outer walls, under high vehicle speeds, spoiler 4 is in order to stop roof air-flow produce whirlpool group and/or occur broken at skylight open front side 20a, or occur broken at skylight open back side 20b, skylight glass 3 arranges effective vent 20c with respect to roof 2, under the specific speed of a motor vehicle of vehicle is travelled, effective vent 20c can make vehicle roof air-flow can contact with skylight glass 3 at the rear side 20b of skylight opening via spoiler 4, in order to avoid roof air-flow in rear side fragmentation.
Skylight support 1 is the parts for supporting skylight glass 3, and the skylight guide rail (not shown) for reciprocatingly sliding for skylight glass 3 is installed thereon.Skylight support 1 top is as shown in the figure coated with roof 2, and the opening 20 of windowing that can match with skylight glass 3 is offered in the relevant position on roof 2.
When concrete enforcement, opening or closing of skylight opening 20 is to be decided in the position of skylight support 1 by skylight glass 3 reality.For example: in the time that skylight glass 3 slides to the high order end of skylight support 1 as shown in the figure, the state of skylight opening 20 in closing, under this state, in Vehicle Driving Cycle process, the air-flow of vehicle roof cannot be entered by roof the inside of operator's compartment; When skylight glass 3 slides along skylight guide rail, it is when the high order end of skylight support 1 separates as shown in the figure, skylight opening 20 is the state in opening just, in Vehicle Driving Cycle process, the air-flow of vehicle roof just can enter by skylight opening 20 inside of operator's compartment, under this state, according to the difference of speed of operation, at vehicle roof by generation vehicle high-speed wind noise and the specific speed of a motor vehicle wind sound that shakes.
In the present embodiment, spoiler 4 is convexly equipped with the edge at skylight open front side 20a, and it arranges the outer wall higher than roof 2.Because roof 2 is a curved surface, the entirety trend of spoiler 4 is also the arcuation that radian is identical with the curved surface radian of roof 2, and the distance of its top and roof 2 is consistent.
The effect of spoiler 4 is mainly reflected in: by the height H of rational spoiler 4 is set, avoid because high vehicle speeds produces air-flow whirlpool group at open front side 20a place, skylight, to reduce the wind noise of vehicle high-speed; Meanwhile, spoiler 4 still can avoid air-flow broken rapidly in the position of skylight open front side 20a or skylight opening 20 rear side 20b, to eliminate the specific speed of a motor vehicle wind sound that shakes.Wherein, The value of high vehicle speeds is between 100km/h-120km/h, and the value that the specific speed of a motor vehicle of vehicle is travelled is (to draw following detailed description by test) between 40km/h-70km/h.
Further, skylight glass 3 has effective vent 20c with respect to roof 2.Wherein, effective vent 20c is that skylight glass 3 is opened scope with respect to the maximum of roof 2, its longitudinal width is less than longitudinal width of skylight opening 20, the length of effective vent 20c can determine in the time that it coordinates with the spoiler of certain altitude, can make vehicle roof air-flow contact with skylight glass 3 after the rear side 20b of skylight opening 20 via spoiler 4, so just can avoid air-flow broken rapidly in the position of skylight opening 20 rear side 20b, to eliminate the specific speed of a motor vehicle wind sound that shakes.
Vehicle dormer window assembly in the present embodiment adopts following test method to draw, specifically comprises the steps:
Steps A, the test of the spoiler 4 of differing heights H to high vehicle speeds wind noise.Particularly, the effective vent 20c that skylight glass 3 forms with respect to roof 2 remains unchanged, and adopts the spoiler 4 of differing heights H, measures the air-flow noise of running at high speed, while obtaining high vehicle speeds, and the optimum height of spoiler 4.
Step B, the effective vent 20c of different length L is on the shake test of sound impact of the specific speed of a motor vehicle wind of vehicle.Particularly, the spoiler height H drawing according to above-mentioned steps A, the effective vent 20c that skylight glass 3 is formed with respect to roof 2 is set as respectively different numerical value, the air-flow noise that travels of the specific speed of a motor vehicle of measuring vehicle.
Step C, according to result of a measurement, the condition that the height H of acquisition spoiler 4 and the effective vent 20c length L that skylight glass 3 forms with respect to roof 2 are satisfied.
Further, steps A comprises the steps: on high-speed annular road surface, vehicle travels with the speed of speed of a motor vehicle 120km/h, is set as 12.8mm, 13.8mm or 14.8mm respectively in the height H of spoiler 4, and measures average sound pressure value at each height by sound pressure meter.
Test figures shows: when the height H of spoiler 4 is 14.8mm, and sound pressure level maximum; When height H is 12.8mm and 13.8mm, sound pressure level is suitable.Height H lower than 13.8mm after, little to the air-flow noise contribution of running at high speed.That is to say, in the time that the height H scope value of spoiler 4 is between 12.8mm-14.8mm, run at high speed air-flow noise within the acceptable range; Consider the shake factor of sound of the specific speed of a motor vehicle wind of vehicle, the height H of the selected spoiler 4 of the present embodiment is 13.8mm, and carries out follow-up test.
Further, step B comprises the steps: the height H of spoiler 4 to be set as 13.8mm, the length L of the effective vent 20c that skylight glass 3 forms with respect to roof 2 is set in 424.2mm, and make successively effective vent 20c reduce that 20mm, effective vent 20c reduce 30mm, effective vent 20c reduces 40mm, carry out road test.In enforcement, vehicle, on high-speed annular road surface, travels with the speed of a motor vehicle that is respectively 40km/h, 50km/h, 55km/h, 60km/h, 65km/h, 70km/h, by sound-pressure-level measurement peak sound pressure value, has determined whether the specific speed of a motor vehicle wind sound that shakes.
Test figures shows: the length L of the effective vent 20c forming with respect to roof 2 when skylight glass 3 is set in 424.2mm, and when the speed of a motor vehicle is during at 50km/h ~ 70km/h, peak sound pressure value obviously raises, and can hear the obvious sound sound that shakes; The length L of the effective vent 20c forming with respect to roof 2 when skylight glass 3 is set in 404.2mm, and the speed of a motor vehicle is in the time of 55km/h ~ 60km/h, and peak sound pressure value obviously raises, and can hear the obvious sound sound that shakes; When the length L of the effective vent 20c forming with respect to roof 2 when skylight glass 3 is set in 394.2mm and 384.2mm, all test speed of a motor vehicle all do not occur that peak sound pressure value obviously raises, and do not hear the shake situation of sound of obvious sound.
Further, step C, according to above-mentioned result of a measurement, obtains the height H of spoiler 4 and the effective vent 20c length L that skylight glass 3 forms with respect to roof 2 and meets following condition:
H=（3.4%~3.7%）*L
Wherein: the height that H is described spoiler, L is described skylight glass forms effective vent length with respect to described roof.
According to test data, the effective vent 20c length L forming with respect to roof 2 when height H and the skylight glass 3 of spoiler 4 meets above-mentioned condition, and the height H value of spoiler 4 is between 12.8mm-14.8mm time, can stop roof air-flow to produce whirlpool group at 20a place, the front side of skylight opening, effectively reduce the high speed winds noise of vehicle.In addition, under the specific speed of a motor vehicle of vehicle is travelled, can make vehicle roof air-flow can contact with skylight glass 3 at the rear side 20b of skylight opening via spoiler 4, occur after can avoiding vehicle roof air-flow via spoiler 4 brokenly at skylight open back side 20b, eliminate the specific speed of a motor vehicle wind sound that shakes.
Preferably, the height H of spoiler 4 is 13.8mm, and the length L of effective vent 20c is 394.2mm.
Referring to Fig. 6, be the embodiment bis-of vehicle dormer window assembly of the present invention.
The difference of the present embodiment and above-described embodiment one is, spoiler 4 is provided with to reduce the flame diversion trough 40 of roof high speed winds noise, flame diversion trough 40 in the present embodiment is evenly equidistantly made as six, the effect of flame diversion trough 40 is: flame diversion trough 40 can be optimized on the basis of embodiment at above-mentioned vehicle dormer window aerodynamics noise, further reduce vehicle high-speed wind noise, reach better vehicle performance.
Vehicle dormer window assembly of the present invention, there is following beneficial effect: in the time opening skylight opening, the front side of skylight opening convexes with the spoiler higher than roof outer wall, spoiler can stop roof air-flow in generation whirlpool, the front side of skylight opening group and/or fragmentation occurs, or occurs broken at the rear side of skylight opening; Under the specific speed of a motor vehicle of vehicle is travelled, the effective vent that skylight glass arranges with respect to roof, can make vehicle roof air-flow can contact with skylight glass at the rear side of skylight opening via spoiler, avoids roof air-flow in rear side fragmentation.By setting spoiler height and skylight glass with respect to the ratio between roof effective vent size, do not affect vehicle commodity and can eliminate specific speed of a motor vehicle wind and shake on the basis of sound, effectively reduce the high speed winds noise of vehicle.
Claims (6)
1. a vehicle dormer window assembly, comprise: skylight support, cover the roof on described skylight support and be installed in the skylight glass on described skylight support, described roof is provided with skylight opening, change the position of described skylight glass on described skylight support and can make the state of described skylight opening in opening or closing, it is characterized in that
Under state at described skylight opening in opening, the front side of described skylight opening convexes with the spoiler higher than described roof outer wall, and the effective vent length that the height of described spoiler and described skylight glass form with respect to described roof meets following condition:
H=（3.4%~3.7%）*L
Wherein: the height that H is described spoiler, L is described skylight glass forms effective vent length with respect to described roof.
2. vehicle dormer window assembly as claimed in claim 1, is characterized in that, described spoiler is provided with to reduce the flame diversion trough of roof high speed winds noise.
3. vehicle dormer window assembly as claimed in claim 2, is characterized in that, described flame diversion trough is equidistant setting evenly.
4. vehicle dormer window assembly as claimed in claim 3, is characterized in that, the height value of described spoiler is between 12.8mm-14.8mm.
5. vehicle dormer window assembly as claimed in claim 4, is characterized in that, the length value that described skylight glass forms effective vent with respect to described roof is between 384.2mm-424.2mm.
6. vehicle dormer window assembly as claimed in claim 5, is characterized in that, the height of described spoiler is 13.8mm, and the length of described effective vent is 394.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612595.7U CN203666352U (en) | 2013-09-30 | 2013-09-30 | Automobile skylight assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320612595.7U CN203666352U (en) | 2013-09-30 | 2013-09-30 | Automobile skylight assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203666352U true CN203666352U (en) | 2014-06-25 |
Family
ID=50962675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320612595.7U Withdrawn - After Issue CN203666352U (en) | 2013-09-30 | 2013-09-30 | Automobile skylight assembly |
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| Country | Link |
|---|---|
| CN (1) | CN203666352U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512224A (en) * | 2013-09-30 | 2015-04-15 | 广州汽车集团股份有限公司 | Automobile skylight component |
| DE202019100927U1 (en) | 2018-07-09 | 2019-02-25 | Aisin Wuxi Body Parts Co., Ltd. | sunroof assembly |
| CN112026502A (en) * | 2020-08-04 | 2020-12-04 | 中国第一汽车股份有限公司 | Height-adjustable passenger car skylight guide plate control system capable of optimizing sound quality |
-
2013
- 2013-09-30 CN CN201320612595.7U patent/CN203666352U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104512224A (en) * | 2013-09-30 | 2015-04-15 | 广州汽车集团股份有限公司 | Automobile skylight component |
| CN104512224B (en) * | 2013-09-30 | 2016-08-24 | 广州汽车集团股份有限公司 | A kind of vehicle dormer window assembly |
| DE202019100927U1 (en) | 2018-07-09 | 2019-02-25 | Aisin Wuxi Body Parts Co., Ltd. | sunroof assembly |
| CN112026502A (en) * | 2020-08-04 | 2020-12-04 | 中国第一汽车股份有限公司 | Height-adjustable passenger car skylight guide plate control system capable of optimizing sound quality |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |