DE102011114298A1 - Motor vehicle has airbag arranged in a front end area, where airbag is pressed in trigger fall of braking element in direction of bearing plane of wheels of vehicle, where airbag is fixed in rest position in area of front bumper of vehicle - Google Patents
Motor vehicle has airbag arranged in a front end area, where airbag is pressed in trigger fall of braking element in direction of bearing plane of wheels of vehicle, where airbag is fixed in rest position in area of front bumper of vehicle Download PDFInfo
- Publication number
- DE102011114298A1 DE102011114298A1 DE201110114298 DE102011114298A DE102011114298A1 DE 102011114298 A1 DE102011114298 A1 DE 102011114298A1 DE 201110114298 DE201110114298 DE 201110114298 DE 102011114298 A DE102011114298 A DE 102011114298A DE 102011114298 A1 DE102011114298 A1 DE 102011114298A1
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- airbag
- motor vehicle
- vehicle
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/12—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action
- B60T1/14—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting otherwise than by retarding wheels, e.g. jet action directly on road
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Kraftfahrzeug mit einem im Vorderwagenbereich angeordneten Airbag gemäß den Merkmalen des Oberbegriffs den Anspruchs 1.The present invention relates to a motor vehicle having an airbag arranged in the front area according to the features of the preamble of
In Fahrzeugen sind vielfach Sicherheitssysteme eingerichtet, die auf den Schutz der Insassen im Falle eines Fahrzeug-Zusammenstoßes gerichtet sind. Neben den verschiedenen Airbag- und Rückhaltesystemen werden dabei Systeme angewendet, die bereits im Vorfeld einer nahenden Unfallgefahr aktiviert werden können. Die Aktivierung solcher Systeme erfolgt durch eine Crasherkennung mittels Radar, Ultraschall-, Video- oder sonstiger Abstandssensorik oder auch einer besonders starken Betätigung des Bremspedals im Pre-Crash-Fall.In vehicles safety systems are often set up, which are aimed at protecting the occupants in the event of a vehicle collision. In addition to the various airbag and restraint systems, systems are used that can be activated in advance of an approaching accident risk. The activation of such systems is carried out by a crash detection by means of radar, ultrasound, video or other distance sensors or a particularly strong operation of the brake pedal in the pre-crash case.
Aus der
Eine ähnlich geartete Anordnung ist aus der
Aufgabe der vorliegenden Erfindung ist es, eine gattungsgemäße Anordnung eines Airbags im Vorderwagenbereich eines Kraftfahrzeugs so weiterzubilden, dass eine entsprechende Brems- und/oder Eintauchbewegung des Fahrzeugs in kompakter Weise verwirklicht wird.Object of the present invention is to develop a generic arrangement of an airbag in the front area of a motor vehicle so that a corresponding braking and / or immersion movement of the vehicle is realized in a compact manner.
Diese Aufgabe wird durch ein Kraftfahrzeug mit einem im Vorderwagenbereich angeordneten Airbag gelöst, wobei der Airbag im Auslösefall ein Bremselement in Richtung der Auflageebene der Räder des Fahrzeugs drückt und in seiner Ruhestellung in einem Bereich des vorderen Stoßfängers des Kraftfahrzeugs befestigt ist. In Vorwärtsrichtung des Kraftfahrzeugs gesehen ist der Airbag vor dem Vorderrad des Kraftfahrzeugs angeordnet. Durch die Anordnung des Airbags insbesondere zur Gänze vor dem Vorderrad, lässt sich für den Fall einer Notbremsung, bei welcher eine Auslösung des Airbags erfolgt, ein günstigeres Hebelverhältnis zur Vermeidung einer Nick- beziehungsweise Eintauchbewegung des Kraftfahrzeugvorderwagens erreichen. Durch die Vermeidung einer solchen Abtauchbewegung wird insbesondere die Crashkompatibilität mit dem Fahrzeug eines potentiellen Unfallgegners verbessert.This object is achieved by a motor vehicle having an airbag arranged in the front area, wherein the airbag presses a brake element in the direction of the support plane of the wheels of the vehicle and is secured in its rest position in an area of the front bumper of the motor vehicle. Seen in the forward direction of the motor vehicle, the airbag is arranged in front of the front wheel of the motor vehicle. Due to the arrangement of the airbag, in particular completely in front of the front wheel, a more favorable lever ratio can be achieved in the event of emergency braking, in which a release of the airbag takes place, in order to avoid a pitching or dipping movement of the motor vehicle front wagon. By avoiding such an immersion movement in particular the crash compatibility with the vehicle of a potential accident opponent is improved.
Zur weiteren Verbesserung der Bremswirkung ist das Bremselement und/oder zumindest die der Fahrbahn zugewandte Oberfläche des Bremselements aus einem Material, welches einen Reibungskoeffizienten aufweist, der größer ist als der Reibungskoeffizient des Airbags und/oder des Unterbodenmaterials des Fahrzeugs. Vorteilhafterweise ist dieser Gleitreibungskoeffizient größer = 0,8, insbesondere bezogen auf eine asphaltierte oder geteerte Fahrbahn.To further improve the braking effect, the braking element and / or at least the surface of the braking element facing the road surface is made of a material which has a coefficient of friction which is greater than the friction coefficient of the airbag and / or the underbody material of the vehicle. Advantageously, this sliding friction coefficient is greater than 0.8, in particular based on a paved or paved roadway.
Vorteilhafterweise ist zumindest ein Teil des Bremselements so ausgebildet, dass es einen Teilbereich des Unterbodens des Vorderwagens des Fahrzeugs bildet, wodurch keine weiteren Anpassungen hinsichtlich der Umströmung im Unterbodenbereich des Fahrzeugs erforderlich sind.Advantageously, at least a part of the braking element is designed so that it forms a portion of the underbody of the vehicle's front end, whereby no further adjustments to the flow around the underbody area of the vehicle are required.
In einer weiteren Ausgestaltung der Erfindung ist das Bremselement integraler Teil der Außenhaut des Airbags oder zumindest an dieser befestigt. Das Bremselement ist insbesondere mit einer größeren Wandstärke in Bezug auf die Haut des Airbags ausgebildet, um in einem Bremsfall die auftretenden mechanischen Belastungen, insbesondere der Reibung zwischen dem Bremselement und dem Fahrbahnbelag besser abbauen zu können.In a further embodiment of the invention, the brake element is an integral part of the outer skin of the airbag or at least attached thereto. The brake element is formed in particular with a greater wall thickness with respect to the skin of the airbag, in order to be able to reduce the occurring mechanical loads, in particular the friction between the brake element and the road surface better in a case of braking.
Vorteilhafterweise ist die Airbaganordnung im Vorderwagen so ausgebildet, dass diese zumindest zwei strömungsseitig verbundene Kammern aufweist. Mittels dieser strömungsseitigen Verbindung der Airbagkammern ist eine gezielte Aufblascharakteristik einstellbar. So ist es denkbar, dass der das Bremselement in Richtung der Auflage drückende Airbag beziehungsweise die entsprechende Kammer mit einem geringeren Volumen ausgebildet ist als eine Airbagkammer, die mit dieser verbunden ist und in Fahrtrichtung des Fahrzeugs expandiert, so dass diese einen entsprechenden Aufprallschutz bildet. Dies ist insbesondere von Vorteil beim Zusammenprall zweier Fahrzeuge oder beim Zusammenprall mit einer Person. Bevorzugt werden die beiden Kammern mit unterschiedlichen Drücken befüllt, wobei insbesondere die kleinere Kammer mit einem höheren Druck als die große, sich in Fahrtrichtung des Fahrzeugs expandierende Kammer, befüllt wird um eine gut abgestimmte Brems- und Fußgängerschutzwirkung zu erzielen.Advantageously, the airbag arrangement in the front end is designed so that it has at least two chambers connected on the flow side. By means of this flow-side connection of the airbag chambers, a specific inflation characteristic can be set. Thus, it is conceivable that the airbag or the corresponding chamber pressing the brake element in the direction of the support is designed with a smaller volume than an airbag chamber, which is connected thereto and expands in the direction of travel of the vehicle, so that it forms a corresponding impact protection. This is particularly advantageous in the collision of two vehicles or in a collision with a person. Preferably, the two chambers are filled with different pressures, in particular, the smaller chamber is filled with a higher pressure than the large, expanding in the direction of travel of the vehicle chamber to achieve a well-coordinated braking and pedestrian protection effect.
Neben der Ausgestaltung der Airbaganordnung mittels zweier strömungsverbundener Kammern sind weiter bevorzugt alternativ zwei getrennte Airbags als Brems- und Aufprallairbag vorgesehen, die über eine gemeinsame oder zwei voneinander getrennte Gasquellen befüllt werden. In addition to the configuration of the airbag arrangement by means of two flow-connected chambers, it is further preferred alternatively to provide two separate airbags as a brake and impact airbag, which are filled via a common or two separate gas sources.
In vorteilhafter Ausgestaltung ist der Schusskanal des Airbags oder zumindest einer Airbagkammer im Wesentlichen senkrecht zur Aufstandsfläche des Fahrzeugs gerichtet, so dass die Strömungsrichtung des Füllgases in Richtung der Fahrbahn gerichtet ist. Dadurch wird der Airbag beziehungsweise ein entsprechendes Bremselement auf dem kürzesten Wege in Kontakt mit der Fahrbahnoberfläche gebracht.In an advantageous embodiment, the firing channel of the airbag or at least one airbag chamber is directed substantially perpendicular to the footprint of the vehicle, so that the flow direction of the filling gas is directed in the direction of the roadway. As a result, the airbag or a corresponding brake element is brought into contact with the road surface by the shortest route.
In vorteilhafter Weiterbildung ist das Bremselement als Schwenkteil ausgebildet, insbesondere als L-förmiger Bügel. Die Schwenkachse des Schwenkelements ist vorteilhaft im Wesentlichen in Querrichtung des Fahrzeugs angeordnet und befindet sich zwischen der Lauffläche des Vorderrads und dem Stoßfänger, wobei der das Schwenkelement auslösende Airbag in Vorwärtsfahrtrichtung des Fahrzeugs gesehen, vor der Schwenkachse angeordnet ist.In an advantageous embodiment, the braking element is designed as a pivoting part, in particular as an L-shaped bracket. The pivot axis of the pivoting element is advantageously arranged substantially in the transverse direction of the vehicle and is located between the running surface of the front wheel and the bumper, wherein the pivoting element triggering airbag seen in the forward direction of travel of the vehicle, is arranged in front of the pivot axis.
Um eine gute Reib- beziehungsweise Bremswirkung zu erzielen, ist die Oberfläche des Bremselements insbesondere aus einem elastomeren Kunststoff oder Gummi gebildet, beziehungsweise beschichtet.In order to achieve a good friction or braking effect, the surface of the braking element is formed in particular of an elastomeric plastic or rubber, or coated.
In den folgenden Zeichnungen werden Ausführungsbeispiele der Erfindung dargestellt und näher erläutert, wobei sich gleiche Bezugszeichen auf gleiche oder ähnliche oder funktional ähnliche oder gleiche Bauteile beziehen.In the following drawings, embodiments of the invention are shown and explained in more detail, wherein like reference numerals refer to the same or similar or functionally similar or identical components.
Es zeigen schematisch:They show schematically:
Der Schwenkbügel kann gleichzeitig im nicht ausgelösten Zustand Teil des Unterbodens des Kraftfahrzeugs sein. Neben einer lösbaren Befestigung am Unterboden ist auch eine integrale Ausbildung mit dem Unterboden denkbar, wobei an definierten Stellen Materialschwächungen vorgesehen sind, die im Auslösefall eine Sollbruchstelle darstellen und ein Verschwenken nach unten ermöglichen. Der Schwenkbügel ist wie in
Vorliegend ist der der Schwenkbügel
Die Auslösedynamik des Airbags
Ein Ausführungsbeispiel bei welchem der Airbag, der zur Auslösung des Schwenkbügels
Eine weitere Abwandlung zu dem in
Eine integrierte Ausbildung eines Bremsbelages
In ähnlicher Weise wie in dem in
Ein System mit einem Bremsairbag
Selbstverständlich sind beliebige Kombinationen der genannten Ausführungsbeispiele möglich, wobei insbesondere hervorzuheben ist, dass für den Fall eines am Airbag
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- FahrzeugvorderwagenThe vehicle front
- 22
- Radwheel
- 33
- Airbagair bag
- 44
- Schwenkbügelswivel bracket
- 55
- Bremsflächebrake surface
- 66
- Stoßfängerbumper
- 77
- Unterbringungsbereich Airbag im RuhezustandHousing area Airbag at rest
- 88th
- Fahrbahnroadway
- 99
- Schwenkachseswivel axis
- 1414
- Stoßfängerkammerbumper chamber
- 1111
- HochdruckkammerHigh-pressure chamber
- 1212
- Verbindungsbereichconnecting area
- 1313
- Bremsairbagbraking airbag
- 1414
- Stoßfängerairbagbumper airbag
- 1515
- Bremsbelagbrake lining
- 1616
- keilförmiger Bereichwedge-shaped area
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 2020679 [0003] DE 2020679 [0003]
- DE 102008029041 A1 [0004] DE 102008029041 A1 [0004]
Claims (12)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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DE201110114298 DE102011114298A1 (en) | 2011-09-23 | 2011-09-23 | Motor vehicle has airbag arranged in a front end area, where airbag is pressed in trigger fall of braking element in direction of bearing plane of wheels of vehicle, where airbag is fixed in rest position in area of front bumper of vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110114298 DE102011114298A1 (en) | 2011-09-23 | 2011-09-23 | Motor vehicle has airbag arranged in a front end area, where airbag is pressed in trigger fall of braking element in direction of bearing plane of wheels of vehicle, where airbag is fixed in rest position in area of front bumper of vehicle |
Publications (1)
Publication Number | Publication Date |
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DE102011114298A1 true DE102011114298A1 (en) | 2013-03-28 |
Family
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Application Number | Title | Priority Date | Filing Date |
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DE201110114298 Pending DE102011114298A1 (en) | 2011-09-23 | 2011-09-23 | Motor vehicle has airbag arranged in a front end area, where airbag is pressed in trigger fall of braking element in direction of bearing plane of wheels of vehicle, where airbag is fixed in rest position in area of front bumper of vehicle |
Country Status (1)
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DE (1) | DE102011114298A1 (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105329421A (en) * | 2015-11-13 | 2016-02-17 | 宁波超锐特工贸有限公司 | Dune buggy-mounted first-aid device |
CN105329422A (en) * | 2015-11-13 | 2016-02-17 | 宁波超锐特工贸有限公司 | Emergency device used for tire of all terrain vehicle |
CN105329423A (en) * | 2015-11-13 | 2016-02-17 | 宁波超锐特工贸有限公司 | Dune buggy first-aid device |
US9327676B1 (en) * | 2015-01-13 | 2016-05-03 | Hon Hai Precision Industry Co., Ltd. | Safety mechanism of vehicle and deployment method thereof |
CN106274853A (en) * | 2016-08-26 | 2017-01-04 | 吴象图 | A kind of complemental brake system |
JP2017502874A (en) * | 2013-12-30 | 2017-01-26 | ティーケー ホールディングス インク.Tk Holdings Inc. | Active knee protection system |
EP2995508B1 (en) | 2014-09-10 | 2017-10-18 | ALSTOM Transport Technologies | Device for protection of pedestrians in case of impact with a vehicle |
CN111038546A (en) * | 2018-12-20 | 2020-04-21 | 庞巴迪运输有限公司 | Modularized personnel protection device at bottom of vehicle |
US10822002B1 (en) * | 2019-05-29 | 2020-11-03 | Bombardier Transportation Gmbh | External airbag assembly for a rail vehicle |
US10960905B2 (en) * | 2018-12-20 | 2021-03-30 | Bombardier Transportation Gmbh | Personal protection device for fixing on the underside of a rail vehicle |
WO2022024696A1 (en) * | 2020-07-28 | 2022-02-03 | 株式会社ダイセル | Airbag module and vehicle provided with same |
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2011
- 2011-09-23 DE DE201110114298 patent/DE102011114298A1/en active Pending
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DE2020679A1 (en) | 1970-04-28 | 1971-11-25 | Daimler Benz Ag | Motor vehicle |
DE102005062279A1 (en) * | 2005-12-24 | 2007-07-05 | Automotive Group Ise Innomotive Systems Europe Gmbh | Motor vehicle with braking installation having self-enclosed braking cushion on vehicle floor which expands in active state to brake and has control device partly or wholly inside to activate it |
DE102008029041A1 (en) | 2008-06-18 | 2010-07-29 | Daimler Ag | Motor vehicle i.e. passenger car, has vehicle lifting device co-operating with crash detection device for immediate compensation of brake diving movement of vehicle before collision of vehicle with obstacle |
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Cited By (21)
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---|---|---|---|---|
JP2017502874A (en) * | 2013-12-30 | 2017-01-26 | ティーケー ホールディングス インク.Tk Holdings Inc. | Active knee protection system |
EP2995508B2 (en) † | 2014-09-10 | 2021-07-14 | ALSTOM Transport Technologies | Device for protection of pedestrians in case of impact with a vehicle |
EP2995508B1 (en) | 2014-09-10 | 2017-10-18 | ALSTOM Transport Technologies | Device for protection of pedestrians in case of impact with a vehicle |
US9327676B1 (en) * | 2015-01-13 | 2016-05-03 | Hon Hai Precision Industry Co., Ltd. | Safety mechanism of vehicle and deployment method thereof |
CN105329423A (en) * | 2015-11-13 | 2016-02-17 | 宁波超锐特工贸有限公司 | Dune buggy first-aid device |
CN105329421A (en) * | 2015-11-13 | 2016-02-17 | 宁波超锐特工贸有限公司 | Dune buggy-mounted first-aid device |
CN105329422A (en) * | 2015-11-13 | 2016-02-17 | 宁波超锐特工贸有限公司 | Emergency device used for tire of all terrain vehicle |
CN105329423B (en) * | 2015-11-13 | 2017-07-28 | 宁波超锐特工贸有限公司 | Beach buggy survival kit |
CN105329422B (en) * | 2015-11-13 | 2017-08-25 | 宁波超锐特工贸有限公司 | Survival kit for beach buggy spare tyre |
CN106274853B (en) * | 2016-08-26 | 2021-09-07 | 吴象图 | Auxiliary braking device |
CN106274853A (en) * | 2016-08-26 | 2017-01-04 | 吴象图 | A kind of complemental brake system |
US10960905B2 (en) * | 2018-12-20 | 2021-03-30 | Bombardier Transportation Gmbh | Personal protection device for fixing on the underside of a rail vehicle |
US11097753B2 (en) | 2018-12-20 | 2021-08-24 | Bombardier Transportation Gmbh | Modular personal protection device under the vehicle |
US20200198668A1 (en) * | 2018-12-20 | 2020-06-25 | Bombardier Transportation Gmbh | Modular Personal Protection Device Under the Vehicle |
CN111038546A (en) * | 2018-12-20 | 2020-04-21 | 庞巴迪运输有限公司 | Modularized personnel protection device at bottom of vehicle |
US10822002B1 (en) * | 2019-05-29 | 2020-11-03 | Bombardier Transportation Gmbh | External airbag assembly for a rail vehicle |
CN112009517A (en) * | 2019-05-29 | 2020-12-01 | 庞巴迪运输有限公司 | External airbag module for a rail vehicle |
EP3744575A1 (en) * | 2019-05-29 | 2020-12-02 | Bombardier Transportation GmbH | External airbag assembly for a rail vehicle |
CN112009517B (en) * | 2019-05-29 | 2021-08-06 | 庞巴迪运输有限公司 | External airbag module for a rail vehicle |
JP7465744B2 (en) | 2020-07-28 | 2024-04-11 | 株式会社ダイセル | Airbag module and vehicle equipped with same |
WO2022024696A1 (en) * | 2020-07-28 | 2022-02-03 | 株式会社ダイセル | Airbag module and vehicle provided with same |
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