• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to an air guiding device for regulating a flow of air flowing through at least one air inlet opening (3) in a front casing (1) disposed on a vehicle the at least one air inlet opening (3) being disposed laterally in the front casing (1) and to be completely covered outwards by the air guiding device (5) in a state closed and the air guiding device (5) comprising a retaining frame (9) and at least one lamella (7) movably arranged in the retaining frame (9), the at least one lamella (7) being movably mounted in the retaining frame (9) and its angle of incidence being modifiable. The present invention further relates to a control method for said device
    公开号:FR3014037A1
    申请号:FR1461665
    申请日:2014-11-28
    公开日:2015-06-05
    发明作者:Thomas Ritz
    申请人:Dr Ing HCF Porsche AG；
    IPC主号:
    专利说明:

    [0001] The present invention relates to an air guiding device in a vehicle and a method of closing an air inlet opening in a front casing on a vehicle. When driving energy is generated, generally high heat is generated in vehicles both when using an internal combustion engine and when using an electric motor. To dissipate or reduce this waste heat, it is necessary to cool the vehicle In order to cool vehicles, heat exchangers or radiators are frequently used, in which a heat-absorbing refrigerant is guided over a generally large surface, around which flows a surrounding medium which absorbs the thermal energy of the refrigerant generated by the heat. Correspondingly, it is necessary to allow as much flow as possible of the surrounding medium or air around the respective radiator surface. , a different need for cooling depending on the power, it may seem wise to limit a quantity of surrounding environment flowing. In particular, in aerodynamic optimization optics, unfavorably shaped housings, such as, for example, air inlet openings, may interfere with a surrounding environment. Devices for adapting air guiding devices a respective cooling need of a vehicle are already described in the state of the art. In US 2012/0090906 A1 is described a ventilation system comprising a first and a second section. It is in this case that the first section moves between an open position and a closed position. It is furthermore provided that flaps are arranged in one of the two sections, which optionally prevent or permit a flow therethrough of a surrounding medium. The flaps are movably mounted, so that those they are mobile from an open position to a closed position. In addition, the flaps are arranged behind a radiator grille of a respective vehicle, so that they can not be seen by an observer of the respective vehicle. DE 10 2011 056 663 A1 discloses a motor vehicle comprising at least one air guiding device which can be pulled out by means of a driving device, which air guiding device can be adjusted between a position maximum output and a fully retracted position and in at least one other intermediate position. It is essential in this case that the motor vehicle comprises a cooling device provided with a radiator and a radiator louver disposed in front of the latter and having adjustable cooling air flaps to direct an air flow. through the radiator or the air inlet opening. Furthermore, a control device with adjustment elements is provided, which is arranged in such a way that the air guiding device can be actuated according to a position of the radiator shutter, so that independently of the position of the cooling air shutters of the radiator shutter, a lift at least the same or a pitching moment at least approximately identical is generated (e) on the motor vehicle. In this context, an air guiding device for regulating a flow of air flowing through at least one air inlet opening in a front casing disposed on a vehicle is disclosed, at at least one air inlet opening being disposed laterally in the front casing and to be completely covered outwardly by the air guiding device in a closed state and the air guiding device having a frame of retainer and at least one lamella movably arranged on the retaining frame and visible from the outside, the at least one lamella being mounted or movably disposed in the retaining frame and its angle of incidence being modified by means of a booster connected to a control mechanism, so that a flow of air flowing over the at least one air inlet opening is guided at least partially around the vehicle. Particularly in the case of vehicles with very high top speeds, the aerodynamic effects are of fundamental importance. Due to the tremendous airflow occurring at speeds above the bar or threshold of 200 or 300 km / h and the forces associated with them, a vehicle may be destabilized and a driver of the vehicle may be put in a dangerous situation. In addition, due to an aerodynamically unfavorable vehicle shape, a vehicle power deployment, i.e., a top speed or acceleration capability, is possibly significantly reduced.
    [0002] In addition, the forces occurring at high speeds can act on parts of the vehicle so that the parts deform and are eventually damaged. Particularly in the case of relatively filigree structures, such as for example a ventilation grid or air guide slats, such deformations can be particularly pronounced. One possibility to reduce these deformations is provided by so-called transverse or longitudinal ribs, that is to say reinforcing elements which absorb the corresponding forces and thereby prevent a deformation of the air guide blades. Since these structures, however, generally serve no purpose other than the stabilization of the air guide vanes, they are not suitable for aerodynamic optimization of the vehicle. By means of the air inlet opening according to the invention, it is possible to arrange the air-guiding lamellae or lamellae, or to integrate them into a vehicle, so that one can, to a very large extent, to do without restraining structures such as for example longitudinal ribs or transverse ribs to support the lamellae. Thanks to the integration of a retaining frame in the front casing of a respective vehicle as well as to slats arranged in the retaining frame, it is possible to dissipate effectively, either through the retaining frame or by by means of support points or supports provided in the retaining frame, in the front casing surrounding the retaining frame, forces acting on the lamellae. Thanks to a connection of the retaining frame to the front cladding, an effective force engagement between the sipes, the retaining frame and the front cladding of the vehicle is thus made possible, so that additional stabilizing elements, such as for example horizontal or vertical ribs for the stabilization of the slats, are partially superfluous. Thanks to an effective dissipation of forces occurring due to the air flowing on the front cladding or on the respective vehicle itself, it is possible to keep the slats surrounded by the air guiding device closed or sealed, even at very high speeds, such that a flow of the surrounding environment, that is, air or relative wind, can be prevented from entering the vehicle or in the air intake opening of the vehicle. Thanks to the sealing of the air intake opening by means of the slats, it is therefore possible to guide around the vehicle the corresponding flowing wind, so that an aerodynamic drag of the vehicle or a coefficient of drag ( Cw) of the vehicle is considerably reduced. By reducing the aerodynamic drag of the vehicle, it is possible to obtain a higher energy efficiency of the vehicle. An air flow evacuated through the at least one closed leaflet also makes it possible to guide the flow of air beyond the vehicle, so that properties of driving dynamics of the vehicle are optimized. This means that, for example, a contact pressure or support of the vehicle on the road is increased. It is also conceivable that the inflowing air flow discharged through the at least one lamella can be routed to other air guiding devices, for example to cool a vehicle brake. It is provided that the at least one lamella included in the air guiding device seals outwardly, that is to say towards an opposite side inside the vehicle, opening the door. air inlet in at least one position. In the context of the invention presented, sealing means a closure which, as long as this is technically possible, protects a space behind the closure or the at least one lamella against a flow through this one from the surrounding environment or from the air. The at least one coverslip may be made of metal, plastic, carbon, a composite material or any other technically appropriate material for venting relative wind or air. In addition, the blade may be disposed horizontally, vertically or in any other orientation within the retaining frame. It is furthermore possible for the at least one lamella to comprise several layers and / or openings. The retaining frame may be made of metal, plastic, carbon, composite material or any other technically appropriate material for venting relative wind or air. In one possible embodiment of the air guiding device according to the invention, it is provided that the retaining frame has transverse and / or longitudinal spacers for stabilization purposes. Thanks to an arrangement of stabilizing elements, such as transverse and / or longitudinal spacers, inside the retaining frame, that is to say behind the at least one lamella, it is possible to reduce a aerodynamic drag of the stabilizing elements possibly by closing the air guiding device by means of a modified angle of incidence of the at least one lamella or protecting the stabilizing elements against a flow of air. In a possible embodiment of the air guiding device according to the invention, it is provided that the angle of incidence of the at least one lamella included in the air guiding device can be adjusted according to the a vehicle speed.
    [0003] It is conceivable that a possible vehicle speed that is suitable for adjusting or opening the at least one slat is a vehicle speed of 130 km / h. In cases where, at speeds> 130 km / h, the vehicle is in any case supplied with large quantities of air or relative wind, for example by means of additional openings, it is conceivable to close the less a blade when the threshold of 130 km / h is reached and thus improve aerodynamics of the vehicle. In the case where the vehicle nevertheless requires additional cooling, the at least one lamella may be reopened at any time, for example as a function of a refrigerant temperature. According to one characteristic, the angle of incidence of the at least one lamella can be adjusted according to a refrigerant temperature of a radiator disposed behind the at least one lamella. It may also seem advisable to close the at least one lamella at speeds below 130 km / h, in order to avoid damage, for example due to objects in the urban traffic, and to feed the vehicle. additional air for cooling by opening the at least one lamella at speeds> 130 km / h. It is furthermore conceivable that at a suitable vehicle speed not only the air guiding device according to the invention is controlled so that the angle of incidence of the at least one slat be modified but also the position of at least one further aerodynamically relevant part, such as a rear spoiler, is modified and that the whole vehicle switches to a high speed mode in which both aerodynamic properties but also possibly other properties of driving dynamics of the vehicle are adapted, that is to say optimized, for pipes at a high speed or very high. Since the speed of the vehicle is closely related to power generated by a power train or a motor of a vehicle or lost heat of the powertrain of the vehicle, it can be advantageous for the at least one lamella, in case increased lost heat, that is to say, in the event of high power output or power supplied by the vehicle powertrain, guides an increased air flow through the air guiding device, thereby evacuating the heat of a heat exchanger or radiator or to cool them. In another possible embodiment of the air guiding device according to the invention, it is provided that after the angle of incidence of the at least one slat has been adjusted, a new setting is not possible. only after a period of time to be determined has elapsed.
    [0004] In the case of operation of a vehicle in a state in which refrigerant speeds or temperatures or lost heat values are close to a respective limit value for adjusting the at least one lamella included in the air guiding device, in order to avoid a continuous and repeated adjustment of the at least one lamella by means of the servomotor, it is expected that after an adjustment of the angle of incidence of the at least one a lamella has been made, an additional adjustment of the at least one lamella is possible only after a period of time (t). It is conceivable that the period of time (t) is selected according to a vehicle speed and / or a refrigerant temperature. It is also possible that the period of time (t) is defined in a fixed manner. Suitable values for a possible period of time (t) are for example 3 s, 10 s or 100 s. According to another characteristic, the period of time therefore depends on the speed of the vehicle or the temperature of the refrigerant.
    [0005] It is conceivable that the at least one lamella comprises at least one spacer which serves to connect the at least one lamella to the retaining frame. In another possible embodiment of the air guiding device according to the invention, it is provided that the at least one lamella is arranged horizontally in the retaining frame and is fixed exclusively by means of the retaining frame. and a mechanism for adjusting the servomotor. Thanks to the connection of the at least one strip to the retaining frame, it is possible to dispense with retaining ribs or additional spacers to support the at least one coverslip. For this purpose, it is intended to have a transverse spacer within the at least one strip, which transverse spacer is suitable for connection to suitable points of support within the retaining frame. The transverse spacer may be made of metal, plastic, carbon, a composite material or any other technically appropriate material for connection to the retaining frame. In addition, the horizontal struts included in the at least one strip may be suitable for connecting the at least one strip to a setting mechanism of a booster. By means of a drive of the servomotor, it is therefore possible to operate the adjustment mechanism so that the angle of incidence of the at least one lamella is modified so that a flow of air flow onto the at least one lamella is further guided through the air guiding device or around the vehicle. In another possible embodiment of the air guiding device according to the invention, it is provided that the booster is an electrically driven motor. Using an electric servomotor, it is possible to act very precisely and quickly on the adjustment mechanism, so that control commands possibly transmitted from a control device to the electric motor can be executed quickly and 30 specifies. The present invention further relates to a method of closing or controlling at least one air intake opening disposed (laterally) in a front trim on a vehicle, which is surrounded by a retaining frame which carries at least one movable blade 35 (visible from the outside) which is movably mounted inside the retaining frame, so that the air inlet opening is sealed outwardly by the at least one a lamella in a closed position and that the air inlet opening is permeable to the cooling air of a radiator disposed behind the retaining frame in at least one open position, the angle of impact of the at least one lamella which can be adjusted by means of an electric drive to adopt the closed position and / or at least one open position. The method according to the invention serves in particular to optimize, that is to say to adapt, dynamically aerodynamic properties of a vehicle according to a cooling air need and / or a vehicle speed.
    [0006] According to another characteristic, the angle of incidence of the at least one lamella is adjusted according to a speed of the vehicle. It is conceivable that the method according to the invention controls other aerodynamic elements and / or driving dynamics of a vehicle so that the respective driving properties of the vehicle are optimized, that is to say adapted by example at high speeds. In another possible embodiment of the method according to the invention, it is provided that the angle of incidence of the at least one lamella is modified according to a position of another aerodynamic portion 20 of the vehicle. By coordinating the angle of incidence of the at least one lamella with other air guiding devices, such as a spoiler, and / or with other driving dynamics components, such as a chassis or the like, it is possible to put the entire vehicle in an optimized state for high speeds, in which aerodynamic components and / or driving dynamics of the vehicle can be varied according to each other so that an acceleration capacity and / or a peak speed of the vehicle (s) maximized (s). It is understood that the above-mentioned features may be used not only in the respective combination indicated but also in other combinations or in isolation, without departing from the scope of the present invention. The invention is schematically illustrated in the drawings by way of embodiments and is described in detail with reference to the drawings. Figure 1 illustrates a possible embodiment of the invention with open slats. Figure 2 illustrates the possible embodiment of the invention of Figure 1 with the lamellae closed. Figure 3 illustrates a schematic configuration of a possible embodiment of the invention.
    [0007] Figure 4 illustrates a possible arrangement of a possible embodiment of the invention with a radiator. FIG. 1 illustrates a front casing 1 of a vehicle comprising an air inlet opening 3 included in the front casing 1, which in turn can be protected towards the outside by an air guiding device 5 The air guiding device 5 comprises slats 7 and a retaining frame 9, the slats 7 being movably mounted in the retaining frame 9 so that the angle of incidence of the slats 7 can be modified and a volume of air flowing through the air inlet opening 3 can thus be regulated, i.e. limited or reduced or increased. In the state shown in Figure 1, the slats 7 are open, so that a volume of air flowing through the air inlet opening 3 is maximized and can be used for cooling of the vehicle. FIG. 2 illustrates the slats 7 already described in FIG. 1 in a closed position, so that the air inlet opening 3 situated behind the slats 7 is sealed and a flowing air flow , that is relative wind, as far as technically possible, is prevented through the air inlet opening 3. By closing the air inlet opening 3 by means of the slats 7, the influent air is guided around the air inlet opening 3 or the slats 7 and evacuated along the front trim 1 of the vehicle. Thanks to the evacuation of the flowing air or the dissipation of the force associated therewith of the front panel 1 or the vehicle, an aerodynamic drag caused by the flowing air as well as the force acting on the vehicle and caused by the inflowing air are reduced and a movement of the vehicle through the air surrounding the vehicle is facilitated. The schematic configuration illustrated in FIG. 3 of a possible embodiment of the air guiding device 303 illustrates the retaining frame 9 included in the air guiding device 303, with housings or points of support for spacers 11 integrated in the slats 7, which spacers fix the slats 7 in the retaining frame 9. In addition, an air vane 13 must optionally be provided behind the slats 7, which effectively guides an air flow s' flowing through the slats 7 to points in the vehicle, at which fresh air is needed, for example for cooling. In order to modify the position, that is to say the angle of incidence, of the lamellae 7, a drive 15 is provided inside the air guiding device 303, which drive cooperates with the lamellae 7 by through a setting mechanism 17 and moves the slats 7 according to control signals, for example a control device. In Figure 4 is further shown a radiator or a heat exchanger 19 which is cooled by a surrounding air flowing. Correspondingly, a cooling power of the radiator 19 is related to a volume of air or relative wind flowing through the lamellae 7. If the radiator 19 has to dissipate a large amount of heat lost, it is then possible to moving the slats 7 by means of the drive 15 and the adjusting mechanism 17 so that a volume of air flowing through the air inlet opening 3 is increased, so that the Lost heat can be effectively dissipated by the radiator. If a lost heat generated is again reduced and becomes for example less than a defined threshold value, the slats 7 can again be brought back to a closed position and aerodynamic properties of the vehicle can therefore be improved. Thanks to an arrangement of the slats 7 in the visible region, that is to say in an area on which the relative wind (wind due to displacement) acts directly, the relative wind can, even before it enters the vehicle , possibly being partially deflected or guided around the vehicle, so that both the aerodynamic drag and the aerodynamics of the respective vehicle are improved. In addition, through a relative wind deviation around the vehicle, a relative wind penetration into the vehicle, in which there is no aerodynamically favorable condition, so that aerodynamic drag is eventually considerably increased for example by sharp edges and / or concave structures, is prevented. Advance evacuation of the relative wind on an aerodynamic vehicle envelope, such as the front cladding 1, causes an effective sliding of the vehicle through a quantity of air surrounding the vehicle and a stabilization of the vehicle during use spoilers and air guiding devices. Of course, the invention is not limited to the embodiments described and shown in the accompanying drawings. Modifications are possible, particularly from the point of view of the constitution of the various elements or by substitution of technical equivalents, without departing from the scope of protection of the invention.
    权利要求:
    Claims (12)
    [0001]
    REVENDICATIONS1. Air guiding device (5, 303) for regulating a flow of air flowing through at least one air inlet opening (3) into a front casing (1) disposed on a vehicle the at least one air inlet opening (3) being arranged laterally in the front casing (1) and to be completely covered outwards by the air guiding device (5, 303) in a closed state and the air guiding device (5, 303) having a retaining frame (9) and at least one lamella (7) movably disposed in the retaining frame (9), the at least one a blade (7) being movably mounted in the retaining frame (9) and its angle of incidence being modifiable by means of a servomotor connected to a control mechanism (17), so that a flow of The air flowing over the at least one air inlet opening (3) is guided at least partially around the vehicle.
    [0002]
    Air guiding device (5, 303) according to claim 1, in which the at least one lamella (7) sealingly closes the air inlet opening (3) to the outside. in at least one position.
    [0003]
    Air guiding device (5, 303) according to claim 1 or 2, in which the angle of incidence of the at least one lamella (7) can be adjusted according to a coolant temperature. a radiator (19) disposed behind the at least one lamella (7).
    [0004]
    An air guiding device (5, 303) according to claim 1 or 2, wherein the angle of incidence of the at least one sipe can be adjusted according to a vehicle speed.
    [0005]
    An air guiding device (5, 303) according to any of claims 1 to 4, wherein after the angle of incidence of the at least one lamella (7) has been adjusted, a new setting is only possible after a period of time to be determined has elapsed.
    [0006]
    The air guiding device (5, 303) according to claim 5, wherein the period of time is dependent on the speed of the vehicle. 30
    [0007]
    The air guiding device (5, 303) according to claim 6, wherein the period of time is dependent on the temperature of the refrigerant.
    [0008]
    Air guiding device (5, 303) according to any one of claims 1 to 7, wherein the at least one lamella (7) is arranged horizontally in the retaining frame (9) and is fixed exclusively by means of the retaining frame (9) and an adjusting mechanism (17) of the booster.
    [0009]
    9. An air guiding device according to any one of claims 1 to 8, wherein the booster is an electrically driven motor.
    [0010]
    A method of controlling at least one air intake opening (3) disposed in a front casing on a vehicle, which is surrounded by a retaining frame (9) which carries at least one movable leaf (7). which is movably mounted within the retaining frame (9), the air inlet opening (3) being sealingly closed outwardly by the at least one lamella (7) in a position closed and the air inlet opening (3) being permeable to the cooling air of a radiator disposed behind the retaining frame (9) in at least one open position, the angle of incidence of the at least one lamella (7) being adjusted by means of an electric drive to adopt the closed position and / or at least one open position.
    [0011]
    11. The method of claim 10, wherein the angle of incidence of the at least one lamella (7) is adjusted according to a vehicle speed.
    [0012]
    12. The method of claim 10, wherein the angle of incidence of the at least one strip (7) is changed according to a position of another aerodynamic portion of the vehicle.
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    法律状态:
    2015-11-19| PLFP| Fee payment|Year of fee payment: 2 |
    2016-11-18| PLFP| Fee payment|Year of fee payment: 3 |
    2017-11-21| PLFP| Fee payment|Year of fee payment: 4 |
    2018-07-20| PLSC| Publication of the preliminary search report|Effective date: 20180720 |
    2018-11-23| PLFP| Fee payment|Year of fee payment: 5 |
    2020-10-16| ST| Notification of lapse|Effective date: 20200906 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102013113489.0|2013-12-04|
    DE102013113489.0A|DE102013113489A1|2013-12-04|2013-12-04|Lockable louver on a vehicle|
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