DE10333617B4 - Heated airbag device for a vehicle - Google Patents
Heated airbag device for a vehicle Download PDFInfo
- Publication number
- DE10333617B4 DE10333617B4 DE2003133617 DE10333617A DE10333617B4 DE 10333617 B4 DE10333617 B4 DE 10333617B4 DE 2003133617 DE2003133617 DE 2003133617 DE 10333617 A DE10333617 A DE 10333617A DE 10333617 B4 DE10333617 B4 DE 10333617B4
- Authority
- DE
- Germany
- Prior art keywords
- airbag device
- airbag
- heater
- gas bag
- electrical
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
-
- 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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/201—Packaging straps or envelopes for inflatable members
-
- 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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
- B60R21/2165—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member characterised by a tear line for defining a deployment opening
- B60R2021/21654—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member characterised by a tear line for defining a deployment opening the tearing being done or assisted by heating or pyrotechnic means
-
- 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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23504—Inflatable members characterised by their material characterised by material
- B60R2021/23509—Fabric
-
- 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
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R2021/2607—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow characterised by heating or heat insulating means, e.g. for use under extreme temperatures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Airbagvorrichtung für ein Fahrzeug, welche eine ihren Innenraum erwärmende elektrisch betreibbare Heizung aufweist, dadurch gekennzeichnet, dass ein Luftsack (1, 9, 18), ein Teil eines Luftsacks (1, 9, 18), eine flexible Transportsicherung (Gassackabdeckung 9) für den Luftsack und/oder ein Gassackniederhalter (19) der Airbagvorrichtung (10, 26) mit der Heizung (2, 13, 20) ausgestattet sind, deren elektrischen Leiter (4, 14, 21) in das Gewebe dieser Bauteile eingenäht oder eingewoben sind.airbag device for a Vehicle, which is an electrically operable to heat their interior Heater, characterized in that an air bag (1, 9, 18), a part of an airbag (1, 9, 18), a flexible transport lock (Airbag cover 9) for the Airbag and / or a gas bag downholder (19) of the airbag device (10, 26) are equipped with the heater (2, 13, 20) whose electrical Head (4, 14, 21) sewn into the fabric of these components or are woven.
Description
Die Erfindung betrifft eine Airbagvorrichtung für ein Fahrzeug gemäß dem Obergriff des Patentanspruchs 1.The The invention relates to an airbag device for a vehicle according to the upper grip of claim 1
Aus
der
Gemäß dieser Druckschrift wird vorgeschlagen, das Entstehen und Herumfliegen von Abdeckmaterialbruchstücken bei dem explosionsartigen Öffnen der Gehäuseabdeckung dadurch zu vermeiden, dass in dieser im Bereich der Materialschwächung ein elektrisches Heizelement, eine dünne Schicht eines elektrisch zündbaren Explosivmaterials oder eine Sprengschnur angeordnet ist, welche im Rückhaltefall aufgeheizt beziehungsweise gezündet wird. Dadurch kommt es zu einer thermisch bedingten Änderung der Materialeigenschaften der Gehäuseabdeckung, insbesondere zu einem Aufschmelzen der Gehäuseabdeckung in dem Bereich der Trennlinie, so dass letztere gemäß dieser Druckschrift von dem sich entfaltenden Gassack ohne ein Entstehen von Abdeckungsbruchstücken geöffnet werden kann.According to this Reference is proposed, the emergence and flying around of covering material fragments in the explosive opening the housing cover thereby avoiding that in the field of material weakening electric heating element, a thin one Layer of an electrically ignitable Explosive material or a detonating cord is arranged, which in case of restraint heated or ignited becomes. This leads to a thermally induced change the material properties of the housing cover, in particular to a melting of the housing cover in the area of the dividing line, so that the latter according to this Document of the unfolding gas bag without arose of cover fragments open can be.
Wenngleich
diese Airbagvorrichtung die in der
Die genannten Nachteile lassen sich zwar durch den Einsatz von teureren Werkstoffen für die Gehäuseabdeckung reduzieren oder gar beseitigen, im Bestreben nach einer kostengünstigen Fertigung solcher Airbagvorrichtungen wird dies aber nur ungern in Kauf genommen.The Although mentioned disadvantages can be achieved by the use of more expensive Materials for the housing cover reduce or even eliminate, in the pursuit of a cost-effective Production of such airbag devices but this is reluctant accepted.
Zudem
sind aus den Druckschriften
Vor diesem Hintergrund liegt der Erfindung die Aufgabe zugrunde, eine Airbagvorrichtung vorzustellen, die unter Nutzung von preiswerteren Materialien für die Gehäuseabdeckung auch bei vergleichsweise tiefen Temperaturen eine gute Elastizität und die gewünschte mechanische Integrität aufweist. Zudem soll gewährleistet sein, dass bei einer Betätigung der Airbagvorrichtung die Gehäuseabdeckung an der Trennlinie aufreist, ohne dass wie bei einem Sprödbruch Bruchstücke der Gehäuseabdeckung entstehen.In front In this background, the invention is based on the object Airbag device to introduce, using cheaper Materials for the housing cover even at relatively low temperatures a good elasticity and the desired mechanical integrity having. In addition, it should be guaranteed be that on an actuation the airbag device to the housing cover The dividing line is exciting, without fragments of the as in a brittle fracture Housing cover arise.
Die Lösung dieser Aufgabe besteht hinsichtlich einer Airbagvorrichtung für ein Fahrzeug mit einer ihren Innenraum erwärmenden elektrisch betreibbare Heizung darin, dass ein Luftsack, ein Teil eines Luftsacks, eine flexible Transportsicherung (Gassackabdeckung) für den Luftsack und/oder ein Gassackniederhalter der Airbagvorrichtung mit der Heizung ausgestattet sind, deren elektrischen Leiter in das Gewebe dieser Bauteile eingenäht oder eingewoben sind.The solution This object is related to an airbag device for a vehicle with a warming their interior electrically operated heater in that an airbag, a part an airbag, a flexible transport safety device (gas bag cover) for the Airbag and / or a gas bag down the airbag device are equipped with the heater whose electrical conductor in the Fabric of these components sewn or woven.
Durch diesen Aufbau wird erreicht, dass beim Betrieb des Fahrzeuges der Innenraum und vorzugsweise alle dort befindlichen Bauteile der Airbagvorrichtung auf ein Temperaturniveau erwärmbar sind, welches auch bei tiefen Außentemperaturen und bei Nutzung der oben erwähnten preiswerten Materialien für die Gehäuseabdeckung eine gute mechanische Integrität im Nichtrückhaltefall sowie ein optimales, das heißt bruchstückloses oder bruchstückarmes Öffnungsverhalten der Gehäuseabdeckung garantiert. Im Gegensatz zu dem eingangs genannten Stand der Technik wird also nicht nur ein sehr schmaler Bereich entlang der Trennlinie der Gehäuseabdeckung erwärmt, sondern über die textilen Bestandteile der Airbagvorrichtung die gesamte Gehäuseabdeckung.By This structure is achieved that during operation of the vehicle of the Interior and preferably all located there components of the airbag device can be heated to a temperature level, which also at low outside temperatures and when using the above mentioned inexpensive materials for the housing cover a good mechanical integrity in the non-retention case as well as an optimal, that is fragmentary loose or fragmentary opening behavior the housing cover guaranteed. In contrast to the above-mentioned prior art So it's not just a very narrow area along the dividing line the housing cover heated but about the textile components of the airbag device the entire housing cover.
Darüber hinaus führt die Nutzung dieser Heizung für die Airbagvorrichtung zu dem weiteren Vorteil, dass eine Erwärmung auch des Gasgenerators bei tiefen Temperaturen, wie sie beispielsweise im Winter in höheren geographischen Breiten oder im Hochgebirge auftreten können, zu einem verbesserten Betriebsverhalten desselben führt. Diese Verbesserung des Betriebsverhaltens besteht vor allem in einer weitgehend konstanten Gasausbeute über den gesamten Betriebstemperaturbereich eines Fahrzeugs, da das Gasgeneratorgehäuse im Rückhaltefall nun nicht mehr auf vergleichsweise tiefe Außentemperaturen abgekühlt ist. Dies ermöglicht wiederum eine optimalere Auslegung des Rückhaltesystems Airbagvorrichtung im Hinblick auf einen konkreten Rückhaltefall.In addition, the use of this heater for the airbag device to the further advantage that heating of the gas generator at low temperatures, as they may occur, for example, in winter in higher latitudes or in high mountains, it leads to improved performance of the same. This improvement of the operating behavior is mainly in a largely constant gas yield over the entire operating temperature range of a vehicle, since the gas generator housing in the case of restraint no longer comparatively deep outside temperatures has cooled. This in turn allows a more optimal design of the restraint system airbag device with regard to a specific case of restraint.
In Weiterbildung der Erfindung kann vorgesehen sein, dass die Heizung aus elektrischen Leitern besteht, die auf das Material der textilen Airbagvorrichtungsbauteile aufgebracht sind.In Further development of the invention can be provided that the heating consists of electrical conductors, which are based on the material of the textile Airbag device components are applied.
Darüber hinaus ist sinnvoll, wenn die elektrischen Leiter aus einem Metall, einer Metallbeschichtung oder einem elektrisch leitenden Polymeer bestehen, wobei diese Leiter bandförmig, fadenförmig oder drahtförmig ausgebildet sein können.Furthermore is useful if the electrical conductors are made of a metal, a Metal coating or an electrically conductive poly sea, these conductors being band-shaped, threadbare or wire form can be trained.
Des weiteren wird es als vorteilhaft angesehen, wenn zur Erzielung einer angemessen hohen Temperatur ohne zu starke thermische Belastung der Bauteile die elektrischen Leiter auf dem Bauteil oder in dem Bauteil eine Netzstruktur bilden.Of Further, it is considered advantageous if to achieve a reasonably high temperature without excessive thermal load the components of the electrical conductors on the component or in the Component form a network structure.
Schließlich ist es im Rahmen der Erfindung zweckmäßig, dass die Heizung mit einer elektrischen Stromversorgungsquelle über elektrische Leitungen verbunden ist. Wenigstens eine dieser Leitungen kann in Weiterbildung der Erfindung mittels eines Schalters vorzugsweise temperaturgesteuert geöffnet oder geschlossen werden, so dass die Heizung die Bestandteile der Airbagvorrichtung während des Fahrzeugbetriebes beim Unterschreiten einer vorgegebenen Mindesttemperatur aktiviert und beim Überschreiten einer vorgegebenen Höchsttemperatur ausgeschaltet wird.Finally is It is expedient in the context of the invention that the heater with a electrical power source connected via electrical lines is. At least one of these lines can be further developed Invention by means of a switch preferably temperature controlled open or be closed so that the heating components of the Airbag device during the vehicle operation falls below a predetermined minimum temperature activated and when crossing off a predetermined maximum temperature becomes.
Als Alternative dazu kann eine zeitliche Regelung in der Art erfolgen, dass die Heizung nach dem Starten des Fahrzeugs für einen vorbestimmten Zeitraum in Betrieb ist. Dieser Zeitraum, beispielsweise 15 Minuten, ist so bemessen, dass innerhalb diesem der Innenraum des Fahrzeuges und damit auch die Gehäuseabdeckung durch eine konventionelle Fahrzeugheizung aufgeheizt ist.When Alternatively, a timing can be done in the type that the heater after starting the vehicle for a predetermined period is in operation. This period, for example 15 minutes, is such that within this the interior of the vehicle and thus the housing cover by a conventional vehicle heating is heated.
Eine weitere Alternative sieht vor, dass die Heizung derart mit einer elektrischen Stromversorgungsquelle verbunden ist, dass diese Heizung ständig oder zumindest nach dem Start ständig im Betrieb ist.A Another alternative provides that the heater so with a electrical power source is connected to this heater constantly or at least after the start constantly in operation.
Die Erfindung wird nachstehend anhand der beigefügten Zeichnung an Ausführungsbeispielen näher erläutert. Es zeigen:The Invention will be explained below with reference to the accompanying drawings of exemplary embodiments. It demonstrate:
Die
elektrischen Leiter
Nur
am Rande sei an dieser Stelle bemerkt, dass die Stromversorgung
der Heizung
Die
hier in das Gassackmaterial eingewebten oder eingenähten elektrischen
Leiter
Wie
Diese
Gehäuseabdeckung
Da
die Airbagvorrichtung
Als
gewünschter
Nebeneffekt ist zudem festzustellen, dass durch die von der Heizung
Diese
Gassackabdeckung
Wie
Darüber hinaus
zeigen
Schließlich ist
- 11
- Gassackairbag
- 22
- Elektrische Heizungelectrical heater
- 33
- Anschlusspoleconnecting poles
- 44
- Elektrischer Leiterelectrical ladder
- 55
- Gehäuseabdeckunghousing cover
- 66
- Wärmestromheat flow
- 77
- Trennlinieparting line
- 88th
- Gehäuse des Gasgenerators; GasgeneratorHousing of Gas generator; inflator
- 99
- Gassackabdeckung; SoftcoverAirbag cover; softcover
- 1010
- Airbagvorrichtungairbag device
- 1111
- EinhängeöffnungSuspension opening
- 1212
- Gehäuse der AirbagvorrichtungHousing of airbag device
- 1313
- Elektrische Heizungelectrical heater
- 1414
- Elektrischer Leiterelectrical ladder
- 1515
- EinhängeöffnungSuspension opening
- 1616
- Anschlusspolconnecting pole
- 1717
- Anschlusspolconnecting pole
- 1818
- Gassackairbag
- 1919
- GassackniederhalterAirbag down device
- 2020
- Heizungheater
- 2121
- Elektrischer Leiterelectrical ladder
- 2222
- Anschlusspolconnecting pole
- 2323
- Anschlusspolconnecting pole
- 2424
- EinhängeöffnungSuspension opening
- 2525
- Temperaturgesteuerter elektrischer Schaltertemperature-controlled electrical switch
- 2626
- Airbagvorrichtungairbag device
- 2727
- Freiraumfree space
- 2828
- Heizwiderstandheating resistor
- 2929
- Schwingungserregervibration exciter
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003133617 DE10333617B4 (en) | 2003-07-24 | 2003-07-24 | Heated airbag device for a vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003133617 DE10333617B4 (en) | 2003-07-24 | 2003-07-24 | Heated airbag device for a vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10333617A1 DE10333617A1 (en) | 2005-03-03 |
DE10333617B4 true DE10333617B4 (en) | 2005-07-28 |
Family
ID=34111651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2003133617 Expired - Fee Related DE10333617B4 (en) | 2003-07-24 | 2003-07-24 | Heated airbag device for a vehicle |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10333617B4 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009034989A1 (en) * | 2009-07-28 | 2011-03-03 | GM Global Technology Operations, Inc., Detroit | Cover for air bag used in interior of motor vehicle, has integrated panel, and electric units are provided which enervate cover along predetermined line when airbag is released |
DE102009041712A1 (en) * | 2009-09-16 | 2011-03-24 | GM Global Technology Operations, Inc., Detroit | Passenger safety device for vehicle, comprises airbag module, airbag module cover with pad, and an electrically conductive unit, where electrically conductive unit is formed to discharge electrostatic loading of pad |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008047690A1 (en) * | 2008-09-18 | 2010-03-25 | GM Global Technology Operations, Inc., Detroit | Inner lining i.e. instrument panel, for installing in front seat passenger side of motor vehicle, has tempering device tempering partial region of airbag cover and/or region of lining, where region of lining is adjacent to cover |
DE102012109350A1 (en) * | 2012-10-02 | 2014-08-14 | Autoliv Development Ab | Airbag module has container for receiving gas generator, where end areas of side wall of container are bent into external double-layered arrangement, and side wall encloses outlet opening, which is formed in box-shaped container |
DE102014001339B3 (en) * | 2014-01-24 | 2015-05-21 | Autoliv Development Ab | Airbag device for a vehicle |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0595374A1 (en) * | 1989-07-14 | 1994-05-04 | Tip Engineering Group, Inc. | Arrangement for forming an air bag deployment opening |
EP0765781A1 (en) * | 1995-09-29 | 1997-04-02 | United Technologies Automotive Clifford Limited | Crash protection device |
WO2000078579A1 (en) * | 1999-06-18 | 2000-12-28 | Sai Automotive Sal Gmbh | Safety covering for an airbag |
EP1127754A1 (en) * | 2000-02-24 | 2001-08-29 | TRW Automotive Safety Systems GmbH & Co. KG | Airbag module cover with heating means |
-
2003
- 2003-07-24 DE DE2003133617 patent/DE10333617B4/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0595374A1 (en) * | 1989-07-14 | 1994-05-04 | Tip Engineering Group, Inc. | Arrangement for forming an air bag deployment opening |
EP0765781A1 (en) * | 1995-09-29 | 1997-04-02 | United Technologies Automotive Clifford Limited | Crash protection device |
WO2000078579A1 (en) * | 1999-06-18 | 2000-12-28 | Sai Automotive Sal Gmbh | Safety covering for an airbag |
EP1127754A1 (en) * | 2000-02-24 | 2001-08-29 | TRW Automotive Safety Systems GmbH & Co. KG | Airbag module cover with heating means |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009034989A1 (en) * | 2009-07-28 | 2011-03-03 | GM Global Technology Operations, Inc., Detroit | Cover for air bag used in interior of motor vehicle, has integrated panel, and electric units are provided which enervate cover along predetermined line when airbag is released |
DE102009041712A1 (en) * | 2009-09-16 | 2011-03-24 | GM Global Technology Operations, Inc., Detroit | Passenger safety device for vehicle, comprises airbag module, airbag module cover with pad, and an electrically conductive unit, where electrically conductive unit is formed to discharge electrostatic loading of pad |
Also Published As
Publication number | Publication date |
---|---|
DE10333617A1 (en) | 2005-03-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20130201 |