CN103660886A - Novel saloon car front side window rain shelter for strengthening ventilation comfort - Google Patents
Novel saloon car front side window rain shelter for strengthening ventilation comfort Download PDFInfo
- Publication number
- CN103660886A CN103660886A CN201310738289.2A CN201310738289A CN103660886A CN 103660886 A CN103660886 A CN 103660886A CN 201310738289 A CN201310738289 A CN 201310738289A CN 103660886 A CN103660886 A CN 103660886A
- Authority
- CN
- China
- Prior art keywords
- car front
- front window
- rain gear
- front side
- side window
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
- B60J1/20—Accessories, e.g. wind deflectors, blinds
- B60J1/2002—Wind deflectors specially adapted for preventing soiling, e.g. for side windows
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Window Of Vehicle (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a novel saloon car front side window rain shelter for restraining wind vibration noise and strengthening ventilation comfort. The novel saloon car front side window rain shelter is made of transparent resin materials, installed on the upper edge of an upper frame of a saloon car front side window, the length of the saloon car front side window rain shelter is smaller than the length of the upper frame of the saloon car front side window, small coarse sawteeth are arranged on the lower edge of the saloon car front side window rain shelter and used for disturbing airflow passing through the saloon car front side window rain shelter, airflow energy is consumed, and the wind vibration noise is further reduced. The length of the novel saloon car front side window rain shelter is smaller than that of an existing rain shelter, so that the wind area is reduced, and the aerodynamic resistance is reduced. The size of the back edge of the saloon car front side window rain shelter in the vertical direction is increased, the wind area cannot be increased, and the airflow bypasses the head positions of a driver and passages, so that discomfort caused by the fact that the high-speed airflow directly blows the heads of the human bodies is reduced, the internal ventilation requirements of a saloon car are met, the comfort of the faces of the human bodies when ventilation is carried out after the saloon car front side window is opened is improved, and the effect of reducing the wind vibration noise is achieved.
Description
Technical field
The present invention relates to motorcar body design field, especially relate to the car front window rain gear of a kind of low resistance, low noise, enhancing ventilation traveling comfort.
Background technology
In recent years, have benefited from the continuous improvement with road conditions that develops rapidly of China's expressway construction, effective speed of a motor vehicle of automobile improves constantly.Because ventilation, demist in car etc. need, during driving, get used to opening vehicle window.Yet fine day travels, after vehicle window is opened, high velocity air not only dispels disarrays occupant's hair, and high velocity air also can have influence on human face's traveling comfort that ventilates.Meanwhile, the glass for vehicle window of unlatching belongs to sheet edge protrusion, high velocity air and glassy phase mutual effect, and the wind that produces high strength, the low frequency characteristic noise that shakes, can make passenger produce comparatively strong sense of discomfort, increases people's sense of fatigue.Rainy day travels, if think ventilation, has to install rain gear, and length and the vehicle window upper side frame of current existing rain gear are isometric, rain gear is the circular arc matching with car car window upper side frame curve shape, covers edge on whole car car window, belong to edge protrusion, increased aerodynamic drag.Meanwhile, with the free air diffuser that front windshield glass forms, biplate shape edge protrusion, aggravated the wind noise that shakes.The forward and backward side window structure moulding of motorcar body is different, and it is different that side window is opened the air flow state of rear shape, therefore, need a kind of new mode and device, meeting the ventilation demand while of windowing, do not increase aerodynamic drag, improve ventilation human body face traveling comfort, and can reduce the wind noise that shakes.
Patent documents 1(200580007840.x), announce a kind of visor for automobile of installing on vehicle window frame, mainly announced material, the installation bonding way of rain gear.
Patent documents 2(201220647629.1), announced a kind of telescopic visor, application groove pulls inside and outside visor up and down at diverse location, realizes the adjusting of rain gear width.
Patent documents 3(201320063171.X) announced a kind of novel visor, on visor body, be provided with the ventilation slot matching with automotive window position, the visor body inner side of ventilation slot upper end is fixed with elastic hook by screw, the side fixing with automotive window on visor body is pasted with Acrylic Foam Tape, and this Acrylic Foam Tape is covered on elastic hook.Reasonable coordination by assembly arranges, and solves hook and the Acrylic Foam Tape defect of individualism separately, promotes the fixed effect of visor body.
By document, contrast, current existing rain gear patent all relates to after vehicle window is opened and reduces aerodynamic drag, increases ventilation human body face traveling comfort, reduces the shake problem of noise of air-flow wind, does not especially relate to the problem solving after car front window is opened.Therefore, the applicant develops a kind of car front window rain gear, overcomes above deficiency.
Summary of the invention
Above-mentioned deficiency in view of prior art, the applicant is using vehicle aerodynamics relevant knowledge first, the car flow field that certain sedans original car (do not install car front window rain gear) is opened after 5 centimetres of front windows carries out analytical calculation, result of calculation as shown in Figure 1, in Fig. 1, after car front window is opened, air-flow not directly blows in car, but due to air-flow viscosity and inertia, in the car front window upper side frame leading portion a region of flowing through, form and bleed, in a distance, it in car front window upper side frame b region, is air blowing, and the c position of taking at chaufeur, form complicated eddy current.That is, to open after front window, air-flow is continued forward by force of cohesion and force of inertia, in a district, in car, bleeds, and b district blows in car more in the wings, and forms turbulence vortex near chaufeur ear is other.For further obtaining the other acoustic response of chaufeur ear, on Flow Field Calculation basis, adopt Fourler transform and log law conversion, ear other monitoring point in chaufeur left and right is set, obtained near the acoustic pressure spectrogram 2 of the left ear of chaufeur.Result of calculation spectrogram shows that the sound pressure level of chaufeur left and right puff of wind passing the ear vibration frequency point is approximate identical when vehicle window is opened 5 centimetres, and peak value reaches 111dB.
Further the car flow field of 5 centimetres of car front window unlatchings is analyzed, open the cabin flow field schematic diagram of vehicle window as shown in Figure 3, after car front window is opened, air-flow flowing for Cavity Flow in crew module, p1 place, window frame edge at car front window exists unsettled shear layer, vortex is come off and along with air-flow flows together backward in this position, when striking the glass for vehicle window edge p2 of opening, vortex breakdown, produce a pressure wave of propagating to four sides, pressure wave is when transmitting backward and moving, repeatedly inducing swirl comes off, the noise thereby generation wind shakes, therefore research is found the formation of vortex and is come off, it is the wind basic reason that the source of noise produces of shaking.
According to above-mentioned analysis, for reducing wind after vehicle window the is opened noise that shakes, consider that noise is a kind of energy, in transmitting motion process, there is decay and energy consumption in noise, and the unsettled shear layer turbulence forming at P1 place is relatively little, energy dissipation is few, cause being delivered near the turbulent flow vorticity at the other p2 place of chaufeur ear larger, therefore noise is stronger.
Research discovery simultaneously, owing to opening after vehicle window, air-flow in-position, is just on sustained height with human body face, and a large amount of disorderly air-flows enter, and dispel and disarray occupant's hair, badly influence human face's ventilation traveling comfort.
For above-mentioned situation, the applicant pays creative work, has carried out large quantitative analysis and test, has invented a kind of car front window rain gear.Play and meet ventilation requirement, improve to open car front window rear venting human body face traveling comfort and reduce the shake effect of noise of wind.
The present invention designed and developed a kind of suppress wind shake noise, strengthen the car front window rain gear of ventilation traveling comfort, employing transparent resin material is made, be arranged on the upper limb of car front window upper side frame, the relative car front window of the length upper side frame of described car front window rain gear is short, on described car front window rain gear lower edge, offer coarse little sawtooth, for upsetting the air-flow through described car front window rain gear, consume flowed energy, and then reduce the wind noise that shakes.Simultaneously due to car front window rain gear trailing edge in vertical direction size increase, just changed air-flow and flowed into the position in car, the human body face that staggered, and then improved the traveling comfort of chaufeur.
In the present invention, described car front window rain gear leading edge is 15cm ~ 25cm apart from the length of car front window upper side frame and car front window lower frame intersection point.
In the present invention, described little sawtooth is isosceles right triangle, and tooth depth is 7.5mm.
In the present invention, the vertical height of described car front window rain gear trailing edge is 12cm ~ 18cm, car front window rain gear trailing edge in vertical direction size increases, can not increase area exposed to the wind, and the driver and conductor's head position that staggered, directly blows to therefore reduced high velocity air the uncomfortable property that human body head causes.
To sum up, the present invention has designed and developed a kind of car front window rain gear, car front window rain gear lower edge is designed to continuous sawtooth chip architecture, can effectively smash the layer of cliping and pasting at p1 place shown in accompanying drawing 3, strengthened the turbulence of this position, reduce the vortex breakdown energy of p2 place shown in accompanying drawing 3, thereby played, reduced the shake effect of noise of wind.In addition, as shown in Figure 7, according to computational analysis above, car front window upper side frame leading portion near zone is the section of bleeding, even if there is closely spaced existence, when running at high speed, raindrop can not enter in car cabin from this region yet, so this region does not need to arrange rain gear, the length dimension that is car front window rain gear can be shorter than the size of existing rain gear, so has dwindled area exposed to the wind, has reduced aerodynamic drag, also expanded driver and conductor's range of visibility, be conducive to safe driving simultaneously.Car front window rain gear trailing edge in vertical direction size increases, and can not increase area exposed to the wind, and the driver and conductor's head position that staggered, therefore reduced high velocity air, directly blows to the uncomfortable property that human body head causes.
It is little that its length dimension of the present invention is compared existing rain gear size, therefore dwindled area exposed to the wind, reduced aerodynamic drag.Described car front window rain gear trailing edge in vertical direction size increases, can not increase area exposed to the wind, and driver and conductor's head position has staggered, therefore reduced high velocity air, directly blow to the uncomfortable property that human body head causes, played and met vehicle interior ventilation requirement, improved and opened car front window rear venting human body face traveling comfort and reduce the shake effect of noise of wind.
Accompanying drawing explanation
Fig. 1 does not install car inner air current flow horizontal sectional view of the present invention;
Fig. 2 does not install the other acoustic pressure spectrogram of automobile driver ear of the present invention;
Fig. 3 opens the car cabin flow field schematic diagram after front window;
Fig. 4 installs car inner air current flow horizontal sectional view of the present invention;
Fig. 5 installs the other voltage-frequency spectrogram of automobile driver ear of the present invention;
Fig. 6 structural representation of the present invention;
The mounting structure schematic diagram of Fig. 7 the present invention on car.
In figure: 1. car front window upper side frame, 2. car front window rain gear leading edge, 3. car front window rain gear, 4. car front window rain gear trailing edge, 5. little sawtooth, 6. car front window rain gear lower edge, 7. car front window, 8. car front window lower frame.
The specific embodiment
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, 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.
As shown in drawings, a kind of suppress wind shake noise, strengthen the car front window rain gear 3 of ventilation traveling comfort, employing transparent resin material is made, use seccotine to be arranged on edge on car front window upper side frame 1, car front window rain gear 3 relative car front window upper side frames 1 are short, and car front window rain gear leading edge 2 is 15cm apart from the length of car front window upper side frame 1 and car front window lower frame 8 intersection points; On car front window rain gear lower edge 6, offer coarse little sawtooth 5, little sawtooth 5 is isosceles right triangle, and tooth depth is 7.5mm, for upsetting the air-flow through sedan-chair new car front window rain gear 3, consume flowed energy, and then reduce the wind noise that shakes, improve the traveling comfort of chaufeur; The vertical height of car front window rain gear trailing edge 4 is 12cm ~ 18cm, car front window rain gear trailing edge 4 in vertical direction size increases, can not increase area exposed to the wind, and the driver and conductor's head position that staggered, therefore reduced high velocity air, directly blow to the uncomfortable property that human body head causes.
Embodiment bis-, are that with the difference of embodiment mono-car front window rain gear leading edge 2 is 20cm apart from the length of car front window upper side frame 1 and car front window lower frame 8 intersection points.
Embodiment tri-, are that with the difference of above-described embodiment car front window rain gear leading edge 2 is 25cm apart from the length of car front window upper side frame 1 and car front window lower frame 8 intersection points.
Embodiment tetra-, are that with the difference of above-described embodiment the vertical height of car front window rain gear trailing edge 4 is 15cm.
Embodiment five, are that with the difference of above-described embodiment the vertical height of car front window rain gear trailing edge 4 is 18cm.
It is little that its length dimension of the present invention is compared existing rain gear size, therefore dwindled area exposed to the wind, reduced aerodynamic drag; Car front window rain gear trailing edge 4 in vertical direction size increases, can not increase area exposed to the wind, and driver and conductor's head position has staggered, therefore reduced high velocity air, directly blow to the uncomfortable property that human body head causes, played and met vehicle interior ventilation requirement, improved and opened car front window 7 rear venting human body face traveling comforts and reduce the shake effect of noise of wind.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
- One kind suppress wind shake noise, strengthen the car front window rain gear of ventilation traveling comfort, employing transparent resin material is made, be arranged on the upper limb of car front window upper side frame, it is characterized in that: the relative car front window of the length upper side frame of described car front window rain gear is short, on described car front window rain gear lower edge, offer coarse little sawtooth, for upsetting the air-flow through described sedan-chair new car front window rain gear, consume flowed energy, and then reduce the wind noise that shakes, improve the traveling comfort of chaufeur.
- As claimed in claim 1 a kind of suppress wind shake noise, strengthen the car front window rain gear of ventilation traveling comfort, it is characterized in that: described car front window rain gear leading edge is 15cm ~ 25cm apart from the length of car front window upper side frame and car front window lower frame intersection point.
- As claimed in claim 2 a kind of suppress wind shake noise, strengthen the car front window rain gear of ventilation traveling comfort, it is characterized in that: described car front window rain gear leading edge is 20cm apart from the length of car front window upper side frame and car front window lower frame intersection point.
- As claimed in claim 1 a kind of suppress wind shake noise, strengthen the car front window rain gear of ventilation traveling comfort, it is characterized in that: described little sawtooth is isosceles right triangle, tooth depth is 7.5mm.
- As claimed in claim 1 a kind of suppress wind shake noise, strengthen the car front window rain gear of ventilation traveling comfort, it is characterized in that: the vertical height of described car front window rain gear trailing edge is 12cm ~ 18cm.
- As claimed in claim 5 a kind of suppress wind shake noise, strengthen the car front window rain gear of ventilation traveling comfort, it is characterized in that: the vertical height of described car front window rain gear trailing edge is 15cm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610479620.7A CN106004356A (en) | 2013-12-30 | 2013-12-30 | Method for inhibiting wind noise generated at one front side window of car |
| CN201310738289.2A CN103660886B (en) | 2013-12-30 | 2013-12-30 | A kind of car front window rain gear strengthening ventilation comfort |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310738289.2A CN103660886B (en) | 2013-12-30 | 2013-12-30 | A kind of car front window rain gear strengthening ventilation comfort |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610479620.7A Division CN106004356A (en) | 2013-12-30 | 2013-12-30 | Method for inhibiting wind noise generated at one front side window of car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103660886A true CN103660886A (en) | 2014-03-26 |
| CN103660886B CN103660886B (en) | 2016-08-17 |
Family
ID=50300129
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310738289.2A Expired - Fee Related CN103660886B (en) | 2013-12-30 | 2013-12-30 | A kind of car front window rain gear strengthening ventilation comfort |
| CN201610479620.7A Pending CN106004356A (en) | 2013-12-30 | 2013-12-30 | Method for inhibiting wind noise generated at one front side window of car |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610479620.7A Pending CN106004356A (en) | 2013-12-30 | 2013-12-30 | Method for inhibiting wind noise generated at one front side window of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN103660886B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031742A (en) * | 2017-04-28 | 2017-08-11 | 重庆长安汽车股份有限公司 | A kind of column flow-guiding structure and automobile |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791679B (en) * | 2020-07-01 | 2024-04-23 | 浙江吉利汽车研究院有限公司 | Wind vibration eliminating system and method for vehicle and vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000313231A (en) * | 1999-04-30 | 2000-11-14 | Junji Mizuma | Side visor for automobile |
| JP2001026216A (en) * | 1999-07-13 | 2001-01-30 | Tamura Plastic Seihin Kk | Ornamental part of automobile |
| JP2001206058A (en) * | 1999-11-15 | 2001-07-31 | Dic Plastics Inc | Synthetic resin visor for automobile |
| JP2002264648A (en) * | 2001-03-13 | 2002-09-18 | Araco Corp | Vehicle side visor |
| CN102166960A (en) * | 2011-03-25 | 2011-08-31 | 吉林大学 | Bionic anti-drag and noise-reducing high-speed pantograph |
| CN203623344U (en) * | 2013-12-30 | 2014-06-04 | 湖南工业大学 | Front side window rain shield of novel car |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2643309A1 (en) * | 1976-09-25 | 1978-08-10 | Daimler Benz Ag | Wind deflector fitted on side window adjacent driver - has transparent panel curved into S-shape to extend for one third of window length |
| CN103292441B (en) * | 2013-06-25 | 2016-03-30 | 吉林大学 | Bionical noise reduction air conditioner grid |
-
2013
- 2013-12-30 CN CN201310738289.2A patent/CN103660886B/en not_active Expired - Fee Related
- 2013-12-30 CN CN201610479620.7A patent/CN106004356A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000313231A (en) * | 1999-04-30 | 2000-11-14 | Junji Mizuma | Side visor for automobile |
| JP2001026216A (en) * | 1999-07-13 | 2001-01-30 | Tamura Plastic Seihin Kk | Ornamental part of automobile |
| JP2001206058A (en) * | 1999-11-15 | 2001-07-31 | Dic Plastics Inc | Synthetic resin visor for automobile |
| JP2002264648A (en) * | 2001-03-13 | 2002-09-18 | Araco Corp | Vehicle side visor |
| CN102166960A (en) * | 2011-03-25 | 2011-08-31 | 吉林大学 | Bionic anti-drag and noise-reducing high-speed pantograph |
| CN203623344U (en) * | 2013-12-30 | 2014-06-04 | 湖南工业大学 | Front side window rain shield of novel car |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107031742A (en) * | 2017-04-28 | 2017-08-11 | 重庆长安汽车股份有限公司 | A kind of column flow-guiding structure and automobile |
| CN107031742B (en) * | 2017-04-28 | 2019-09-10 | 重庆长安汽车股份有限公司 | A kind of column flow-guiding structure and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103660886B (en) | 2016-08-17 |
| CN106004356A (en) | 2016-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5248582B2 (en) | Rear spoiler | |
| CN108137104A (en) | Motor vehicle flow spoiler including rear window cleaning equipment | |
| CN205469341U (en) | Motor vehicle spoiler | |
| JP2017065478A (en) | Stream regulating device | |
| CN203623344U (en) | Front side window rain shield of novel car | |
| CN110049914A (en) | The motor vehicles of the superstructure sub-unit for the aerodynamic turbulence being reduced in wheel arch are set | |
| CN103660886B (en) | A kind of car front window rain gear strengthening ventilation comfort | |
| CN104512224B (en) | A kind of vehicle dormer window assembly | |
| CN206871203U (en) | A kind of air-spray noise reduction skylight spoiler | |
| CN217706007U (en) | Automobile tail wing | |
| CN204109745U (en) | A kind of vehicle side window frame additional device reducing wind and make an uproar | |
| CN202987305U (en) | Extensible bottom guide plate | |
| CN105398390A (en) | Novel outer rear view mirror for vehicle | |
| JP6577808B2 (en) | Rectifier | |
| CN207670513U (en) | A kind of vehicle deflector device | |
| CN203681227U (en) | Spoiler device for reducing wind vibration noise of automobile sunroof | |
| CN207790489U (en) | Outside rear-view mirror and car | |
| KR101515355B1 (en) | Prevention member for wind noise of front glass of the vehicle | |
| Ishihara et al. | Aerodynamic development of the newly developed electric vehicle | |
| Sinha et al. | A high performance airfoil-profile deflector for open sunroof wind noise | |
| CN207345673U (en) | A kind of automobile rearview mirror and there is its vehicle | |
| CN203888729U (en) | Passenger bus noise reduction device | |
| CN208730764U (en) | Skylight and automobile | |
| CN211308439U (en) | Noise reduction device for automobile chassis | |
| RU213801U1 (en) | SIDE DEFLECTOR FOR VEHICLE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yong Inventor after: Gu Zhengqi Inventor after: Liu Shuichang Inventor before: Gu Zhengqi Inventor before: Zhang Yong Inventor before: Liu Shuichang |
|
| COR | Change of bibliographic data | ||
| 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: 20160817 Termination date: 20161230 |