CN205220836U - Can reduce guiding device of automobile windage - Google Patents
Can reduce guiding device of automobile windage Download PDFInfo
- Publication number
- CN205220836U CN205220836U CN201521012671.6U CN201521012671U CN205220836U CN 205220836 U CN205220836 U CN 205220836U CN 201521012671 U CN201521012671 U CN 201521012671U CN 205220836 U CN205220836 U CN 205220836U
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- Prior art keywords
- air bag
- automobile
- wheel
- guiding device
- insurance
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Abstract
The utility model discloses a can reduce guiding device of automobile windage, the insurance is shouldered including flexible variable before, air inflation control device and wheel guiding device, the front end that sets up in the automobile is shouldered in flexible variable preceding insurance, shoulders the body and sets up in the insurable preceding the airbag of body that shoulders including the insurance to and set up the 2nd the airbag in a the airbag, a the airbag is middle part prominent toper gasbag forward, air inflation control device includes controller, gas bomb and solenoid valve, a the airbag and the 2nd the airbag connect in the gas bomb through pipeline and solenoid valve respectively, the wheel guiding device includes wheel guide plate and guide plate actuating mechanism, wheel guide plate slidable sets up in the wheel outside, the wheel guide plate is connected in guide plate actuating mechanism. The utility model discloses the windage of traveling of car can be effectively reduced, the automobile fuel utilization efficiency is improved.
Description
Technical field
The utility model relates to vehicle structure field, particularly relates to a kind of guiding device reducing automobile windage.
Background technology
Automobile body shape-designing is a very large knowledge, and wherein emphasis is exactly tare, structural strength and windage problem.Automobile windage mostly refers to the resistance that the outside of automobile and airflow function produce.In fact, the air-flow flowing through automotive interior also forms resistance to the traveling of automobile.Research shows, the resistance acted on automobile is made up of 5 parts.
One, outer form-drag, refers to account for 58% of whole air resistance by the resistance that the difference of the positive pressure of automotive front and the negative pressure of body tail is formed;
Two, interference drag, refers to as bumper/spoiler, back mirror, front licence plate, drainage channel, chassis gearing mechanism etc. cause air-flow to interfere with each other the resistance of generation, account for 14% of whole air resistance by the part that car surface is outstanding;
Three, internal drag, refers to automotive interior draft, resistance that the air-flow etc. of cooled engine causes, accounts for 12% of whole air resistance;
Four, the resistance that the lift produced by running at high speed causes, accounts for 7% of whole air resistance;
Five, the friction force of the relative vehicle body flowing of air, accounts for 9% of whole air resistance;
At present for first and second kind of resistance, motorcar body should be designed to stream line pattern as far as possible, lateral cross-sectional area is not too big, the suitable arc transition of vehicle body each several part, reduce the annex of outstanding vehicle body as far as possible, front face, engine compartment cover, front windshield suitably tilt backwards, and the length of rear window, back header, the design at inclination angle are wanted suitably.In addition, can also mounting guiding board or spoiler in position.By studying the air-flow rule of automobile external, not only can design more reasonably body structure, can also guide air-flow dexterously, the dust suitably utilizing the scouring action of local air flow to reduce on vehicle body deposits.Some vehicles is even different to the demand of air inlet for different speed per hour, develops the import grid automatically can closed in high-speed case.
Application number is 201120540281.1, and name is called " a kind of automotive wheel guiding device " also discloses and a kind of arrange water conservancy diversion cover body in wheel side, and controls water conservancy diversion cover body by slide mechanism, thus reduces the technical scheme of windage.
Exist with next problem in existing automobile windage design:
1, just open by simply controlling air-inlet grille or close, or reduce internal resistance by installing the spoilers such as simple empennage additional;
2, need to set up spoiler motor or hydraulic gear, vehicle weight increases many;
3, the structure of spoiler is simple, and the effect reducing windage is not limit.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of guiding device reducing automobile windage, for reducing windage during galloping, improves the utilization ratio of fuel.
The utility model is achieved in that
Reduce a guiding device for automobile windage, comprise that insurance before flexible variable is shouldered, aeration control device and wheel guiding device;
Before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag insuring and shoulder before body, and the second air bag be arranged in the first air bag, described first air bag is the taper air bag of middle part to front protrusion;
Described aeration control device comprises controller, gaholder and electromagnetic valve, and described first air bag and the second air bag are connected to gaholder respectively by pipeline and electromagnetic valve;
Described wheel guiding device comprises wheel deflecting plate and deflecting plate driver train, and described wheel deflecting plate is slidably arranged at lateral wheel, and described wheel deflecting plate is connected to deflecting plate driver train.
Further, the upper surface of described first air bag is the curve slope that forward downward tilts, and the lower surface of the first air bag is horizontal plane.
Further, described aeration control device also comprises vacuum extractor, and described first air bag and the second air bag are connected to described vacuum extractor.
Further, the material of described first air bag and the second air bag is PVC.
The beneficial effects of the utility model are: before the guiding device that the utility model can reduce automobile windage comprises flexible variable, insurance is shouldered, aeration control device and wheel guiding device, insurance is shouldered and is provided with air bag before variable, when car speed exceedes the threshold value of setting, aeration control device just insures in the air bag shouldered before flexible variable to be inflated, and deflecting plate driver train drives wheel deflecting plate to glide and is covered by wheel, thus change the shape of automobile windward side and side, effectively can reduce the planarization of front part of vehicle wind area and raising vehicular sideview, reduce windage when running at high speed, automobile energy consumption can be reduced, improve energy utilization rate, and, the utility model adopts air bag as main structural materials, its structure is simple, lightweight, substantially the complete vehicle weight of automobile is not increased, further, the structure based on air bag has good flexibility characteristics, is arranged on headstock insurance and shoulders the effect that buffering collision of closed can be played in position, the pedestrian protecting function of effective lifting vehicle.
Accompanying drawing explanation
Fig. 1 is the module frame chart that the utility model embodiment can reduce the guiding device of automobile windage;
Vehicle side surface view when Fig. 2 is air bag unaerated in the utility model embodiment;
Vehicle when Fig. 3 is air bag unaerated in the utility model embodiment;
Fig. 4 is the vehicle side surface view in the utility model embodiment after air bag inflation;
Fig. 5 is the vehicle in the utility model embodiment after air bag inflation.
Label declaration:
1, the first air bag; 2, the second air bag; 3, gaholder;
4, controller; 5, wheel deflecting plate.
Detailed description of the invention
By describing technology contents of the present utility model, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Embodiment one
Refer to Fig. 1 to Fig. 5, the utility model embodiment, a kind of guiding device reducing automobile windage, this automobile disturbing flow device comprise that insurance before flexible variable is shouldered, aeration control device and wheel guiding device.
Wherein, before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag 1 insuring and shoulder before body, and the second air bag 2 be arranged in the first air bag 1, described first air bag 1 is the taper air bag of middle part to front protrusion, wherein, described " above " " below " take automobile as object of reference, the direction of automobile head indication is above, the direction of tailstock indication is below, wherein, the structure shouldering body is insured consistent with the structure that existing automobile front protecting danger is shouldered.Preferably, in the present embodiment, described first air bag and the second air bag are PVC material.
Described aeration control device comprises controller 4, gaholder 3, is integrated with electromagnetic valve in described controller 4.Described first air bag 1, second air bag 2 is connected to gaholder 3 respectively by pipeline, and its middle controller 4 controls for the inflation/deflation of the first air bag 1, second air bag 2.
Described wheel guiding device is for improving the air resistance coefficient of automobile side, it comprises wheel deflecting plate 5 and deflecting plate driver train, described wheel deflecting plate 5 is slidably arranged at lateral wheel, described wheel deflecting plate is connected to deflecting plate driver train, wherein, in the car body side coaming plate at wheel place, be provided with the slide rail of vertical direction, wheel deflecting plate 5 is arranged on described slide rail, and described deflecting plate driver train slides up and down on slide rail for driving wheel deflecting plate; Deflecting plate driver train comprises the drive motor be connected with wheel deflecting plate and the circuit for controlling motor plate being connected to drive motor.
When the moving velocity of automobile exceedes default threshold value, described controller then controls described solenoid valve conduction, shoulders insurance before flexible variable, namely to the first air bag and the inflation of the 2nd air bag, and described deflecting plate driver train drives wheel deflecting plate slide downward, is covered by wheel.Refer to Fig. 2 and Fig. 3, be the contour structures of automobile during unaerated, refer to Fig. 4 and Fig. 5, for before described flexible variable insurance shoulder inflation after and wheel deflecting plate glide after, the contour structures of automobile.Can effectively reduce front part of vehicle wind area after visible inflation, and improve the planarization of vehicular sideview, thus automobile windage coefficient is reduced, effectively reduce windage during galloping, improve automobile fuel ecomomy.
Described second air bag 2 is played a supporting role, and makes the first air bag 1 have stronger anti-deformation intensity, thus ensure that, when galloping, air bag can not be out of shape because of stream pressure, affect its water conservancy diversion effect.
In the present embodiment, when the speed of a motor vehicle of automobile is more than 80 ㎞/h, before described controller 4 controls gaholder 3 pairs of flexible variables, inflation is shouldered in insurance, and namely described default threshold value is 80 ㎞/h.And in some other embodiments, the arbitrary value in when described default threshold value can be 80 ㎞/h ~ 120 ㎞/h.
In the present embodiment, the upper surface of described first air bag 1 is the curve slope that forward downward tilts, the lower surface of the first air bag 1 is horizontal plane, upper surface and the car engine hatchcover of the first air bag 1 seamlessly transit, lower surface flushes with car chassis, therefore, when galloping, the air-flow velocity of lower surface can be greater than at the air-flow velocity of automobile upper surface, thus the downforce that generation one is larger, make automobile when running at high speed, still there is better earth-grasping force, ensure handling and safety during galloping.
In some automobiles, automobile is integrated with pneumatically operated brake at car, pneumatically operated brake includes air pump and gaholder, therefore, in one embodiment, described automobile disturbing flow device does not arrange gaholder, in these vehicles, can directly use the gaholder in former pneumatically operated brake as the source of the gas of air bag, namely the first air bag and the second air bag are connected to the gaholder of pneumatically operated brake by pipeline, and control inflation/deflation by the controller mentioned in above embodiment.
During for making automobile from high-speed travel state to low-speed running state, insure the air bag in shouldering before described flexible variable can pack up timely, in the present embodiment, also in described aeration control device, be provided with vacuum extractor, described first air bag and the second air bag are connected to described vacuum extractor, vacuum extractor is used for when the moving velocity of automobile is reduced to below described default threshold value, namely during 80 ㎞/h, vacuum extractor is just opened, extract the first air bag, gas in second air bag, thus the first air bag and the second air bag are packed up.
Embodiment two
A kind of guiding device reducing automobile windage, identical with embodiment one, in the present embodiment, before being provided with same flexible variable, insurance is shouldered, before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag insuring and shoulder before body, and be arranged at the second air bag in the first air bag, described first air bag is the taper air bag of middle part to front protrusion.
Be with the difference of embodiment one, the automobile disturbing flow device of present embodiment is only applicable to the automobile with charging turbine set, therefore, the automobile disturbing flow device of present embodiment does not arrange gaholder, described first air bag and the second air bag are connected to the vent pipe of car engine charging turbine set, and the vent pipe of described charging turbine set and charging turbine set are to the gas line of engine supercharging.By charging turbine set, the first air bag and the second air bag are inflated.
In existing turbo-charging automobile, turbine is generally when car engine revolution exceedes certain value, and just open turbine is to starting supercharging, and now automobile is all travel with higher speed per hour substantially, or raising speed from low speed to high speed process.And in present embodiment, automobile disturbing flow device is shouldered insurance before flexible variable at this moment just and is insured to shoulder after flexible variable and inflates, thus windage when reducing galloping.In the present embodiment, the aeration control device saved, and directly adopt charging turbine set to carry out inflating and ventilating control, not only greatly reduce the weight of automobile disturbing flow device, save hardware cost, also simplify the controlling mechanism of air bag.
In sum, the utility model is by changing the shape of automobile windward side, can effectively reduce front part of vehicle wind area, reduce windage when running at high speed, can automobile energy consumption be reduced, improve energy utilization rate, further, the utility model adopts air bag as main structural materials, and its structure is simple, lightweight, substantially do not increase the complete vehicle weight of automobile; Further, the structure based on air bag has good flexibility characteristics, is arranged on headstock insurance and shoulders the effect that buffering collision of closed can be played in position, the pedestrian protecting function of effective lifting vehicle.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification sheets and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. can reduce a guiding device for automobile windage, it is characterized in that, comprise that insurance before flexible variable is shouldered, aeration control device and wheel guiding device;
Before described flexible variable, the front end being arranged at automobile is shouldered in insurance, comprise insurance to shoulder body and be arranged at the first air bag insuring and shoulder before body, and the second air bag be arranged in the first air bag, described first air bag is the taper air bag of middle part to front protrusion;
Described aeration control device comprises controller, gaholder and electromagnetic valve, and described first air bag and the second air bag are connected to gaholder respectively by pipeline and electromagnetic valve;
Described wheel guiding device comprises wheel deflecting plate and deflecting plate driver train, and described wheel deflecting plate is slidably arranged at lateral wheel, and described wheel deflecting plate is connected to deflecting plate driver train.
2. the guiding device reducing automobile windage according to claim 1, is characterized in that, the upper surface of described first air bag is the curve slope that forward downward tilts, and the lower surface of the first air bag is horizontal plane.
3. the guiding device reducing automobile windage according to claim 1, is characterized in that, described aeration control device also comprises vacuum extractor, and described first air bag and the second air bag are connected to described vacuum extractor.
4. the guiding device reducing automobile windage according to claim 1, is characterized in that, the material of described first air bag and the second air bag is PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012671.6U CN205220836U (en) | 2015-12-08 | 2015-12-08 | Can reduce guiding device of automobile windage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012671.6U CN205220836U (en) | 2015-12-08 | 2015-12-08 | Can reduce guiding device of automobile windage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205220836U true CN205220836U (en) | 2016-05-11 |
Family
ID=55895922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521012671.6U Expired - Fee Related CN205220836U (en) | 2015-12-08 | 2015-12-08 | Can reduce guiding device of automobile windage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205220836U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443025A (en) * | 2020-03-24 | 2021-09-28 | 广州汽车集团股份有限公司 | Car wheel chamber water conservancy diversion structure and car |
| CN115320734A (en) * | 2022-09-14 | 2022-11-11 | 一汽解放汽车有限公司 | Guiding device and vehicle with same |
-
2015
- 2015-12-08 CN CN201521012671.6U patent/CN205220836U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113443025A (en) * | 2020-03-24 | 2021-09-28 | 广州汽车集团股份有限公司 | Car wheel chamber water conservancy diversion structure and car |
| CN113443025B (en) * | 2020-03-24 | 2022-10-11 | 广州汽车集团股份有限公司 | Car wheel chamber water conservancy diversion structure and car |
| CN115320734A (en) * | 2022-09-14 | 2022-11-11 | 一汽解放汽车有限公司 | Guiding device and vehicle with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20191208 |