WO2018188885A1 - Gassackmodul, lenkrad und verfahren zum verbinden eines gassackmoduls mit einem lenkrad - Google Patents
Gassackmodul, lenkrad und verfahren zum verbinden eines gassackmoduls mit einem lenkrad Download PDFInfo
- Publication number
- WO2018188885A1 WO2018188885A1 PCT/EP2018/056432 EP2018056432W WO2018188885A1 WO 2018188885 A1 WO2018188885 A1 WO 2018188885A1 EP 2018056432 W EP2018056432 W EP 2018056432W WO 2018188885 A1 WO2018188885 A1 WO 2018188885A1
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- WO
- WIPO (PCT)
- Prior art keywords
- contact
- steering wheel
- locking
- locking element
- latching
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000003993 interaction Effects 0.000 claims description 12
- 230000011664 signaling Effects 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 description 9
- 238000007667 floating Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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
- B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
- B60R21/2035—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns using modules containing inflator, bag and cover attachable to the steering wheel as a complete sub-unit
- B60R21/2037—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns using modules containing inflator, bag and cover attachable to the steering wheel as a complete sub-unit the module or a major component thereof being yieldably mounted, e.g. for actuating the horn switch or for protecting the driver in a non-deployment situation
-
- 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
- B60R21/21656—Steering wheel covers or similar cup-shaped covers
- B60R21/21658—Steering wheel covers or similar cup-shaped covers with integrated switches, e.g. horn switches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2304/00—Optimising design; Manufacturing; Testing
- B60Y2304/07—Facilitating assembling or mounting
Definitions
- the invention relates to an airbag module, a steering wheel, an assembly of a gas bag module and a steering wheel and a method for connecting a gas bag module with a steering wheel.
- Airbag modules are a component of vehicle occupant restraint systems and can be arranged to improve the protection of a driver, for example in the steering wheel. Furthermore, the gas bag module can be used to trigger a horn signal.
- the invention has for its object to provide a gas bag module and a steering wheel, the correct installation can be determined in a simple and reliable manner.
- a method for generating a (reliably functioning) signaling device is to be proposed.
- the object is solved by the features of claim 1, with regard to a steering wheel by the features of claim 2, and with regard to a method for generating a signaling device by the features of claim 12.
- the gas bag module according to the invention is designed for arrangement on a steering wheel.
- a locking element and a contact element are arranged at the gas bag module.
- the locking element is configured to enter into a latching connection with a locking element arranged on the steering wheel, by means of which the gas bag module and the steering wheel can be connected to one another.
- the contact element is electrically connectable to a horn contact for generating a horn signal. If the locking connection between the Locking element and the locking element is made, the contact element, the locking element and the locking element are electrically connected together.
- the steering wheel according to the invention is adapted to be connected to an airbag module.
- a locking element and a contact element are arranged on the steering wheel.
- the locking element is configured to enter into a latching connection with a catch element arranged on the gas bag module, by means of which the steering wheel and the gas bag module can be connected to one another.
- the contact element is electrically connectable to a horn contact for generating a horn signal.
- An assembly according to the invention has an airbag module and a steering wheel, which can be connected to one another by a latching connection.
- a locking element and a latching element may be arranged on the steering wheel on the gas bag module.
- the assembly may thus in particular have a preferred embodiment of a gas bag module according to the invention and a corresponding steering wheel. It can be arranged on the steering wheel and a locking element on the gas bag module for the locking connection and a locking element.
- the assembly may in particular have a preferred embodiment of a steering wheel according to the invention and a corresponding gas bag module.
- the assembly has in particular a preferred embodiment of a steering wheel according to the invention and a gas bag module according to the invention.
- the invention thus provides an airbag module or a steering wheel, it being possible to detect in a simple manner whether the airbag module and the steering wheel are secure and correctly connected.
- a horn signal can be generated and sound only when the steering wheel and airbag module are correctly and correctly connected to each other, so if a positive connection between locking element and locking element is created and created correctly and without error.
- fully latched locking connection is advantageously an electrical connection of the horn contact on the contact element and continue to produce about the locking element to the locking element. If the latching connection and thus the electrical connection between contact, locking and latching element is created, in particular a corresponding Hupstrom Vietnamese can be closed and a Hupsignal is generated in particular. On the other hand, if the detent connection is not (completely) made or not created correctly, in particular there is no electrical connection from the horn contact to the detent element. In this case, the corresponding Hupstrom- circle in particular can not be closed and it can be generated no Hupsignal.
- the invention thus advantageously makes it possible to use the horn as an indicator of whether the gas bag module and the steering wheel are correctly connected to each other, in particular whether the locking connection between locking element and locking element is created or created correctly. If this is the case, the horn signal sounds when the horn is pressed. If this is not the case, the horn signal can not sound.
- the invention enables a simple acoustic check of the latching connection with the help of the already existing horn.
- no additional elements are needed exclusively for this review, but the check can be made possible by elements which are used anyway for mechanically connecting the steering wheel and the gas bag module and for generating the horn signal.
- this check can be performed directly during a manufacturing or assembly process of the assembly of steering wheel and gas bag module. Furthermore, this check is also possible if the module is already in the field and, for example, is already installed in a motor vehicle. For example, the connection can be checked in the course of a repair or maintenance of the corresponding motor vehicle in a straightforward manner.
- the horn or the non-sounding of the horn signal when pressing the horn is used in particular as an indicator of an incorrect connection between the gas bag module and the steering wheel. If, for example, a driver of a corresponding motor vehicle (for example, after maintenance or repair of the vehicle) notices the no longer given Hupfunktion, it can be conveniently displayed by him to restore the connection between the gas bag module and steering wheel correctly.
- the gas bag module can in particular be arranged on the steering wheel in such a way that it can be displaced relative to it, in particular towards the steering wheel.
- the gas bag module is expediently displaceable in a direction parallel to a longitudinal axis of the steering wheel or a steering column.
- the gas bag module may also be arranged at a fixed distance from the steering wheel and a cover of the gas bag module may be designed to be movable towards the steering wheel.
- This direction, in which the gas bag module or the cover is displaceable is referred to below as the honing direction without restriction of the generality.
- the displacement of the gas bag module in this honing direction is expediently used for closing or short-circuiting the contact element with the horn contact and thus for generating the horn signal.
- the contact element serves in particular as a counter contact for the horn contact.
- the latching and locking elements are used as contact surfaces which are to be brought into contact with the operation of the horn.
- the contact element is arranged on the gas bag module, the horn contact is arranged in particular on the steering wheel or vice versa.
- the contact element by moving the airbag module or its cover in Hupraum expediently brought directly into contact with the horn contact and thus short-circuited. It is also conceivable that the contact element is still connected to other elements and one or more of these elements are directly brought into contact with the horn contact.
- the contact element for actuating the horn is not brought in particular in direct physical contact with the horn contact, but electrically connected via these other elements with the horn contact.
- the contact element may be mechanically connected to an actual mating contact, for example by means of a plug-in, snap-in and / or clamping connection.
- this mating contact can be brought into direct contact with the horn contact and thus short-circuited.
- locking, locking and contact element and the horn contact part of the Hupstrom Vietnamesees In particular, locking, locking and contact element and the horn contact part of the Hupstrom Vietnamesees.
- an electrical connection to one or more electrical potentials can be produced by these elements.
- signal device In the Hupstrom Vietnamese particular signal device is further integrated, which emits the horn signal acoustically.
- latching connection exist, in particular permanently, an electrical contact between the locking element and the locking element and in particular also a permanent mechanical contact between these two elements.
- the gas bag module or the cover is located after correctly produced locking connection, in particular in a rest position at a predetermined distance to the steering wheel.
- at least one spacer element can be provided on the steering wheel and / or on the gas bag module, by means of which the gas bag module is held in this rest position.
- spacers spring elements or other types of plastically deformable elements may be provided.
- a Hupfunktion activated, in particular by establishing a contact between the contact element and the horn contact.
- an electrical contact between the contact element and the locking element in an unlocked state, in which there is no mechanical contact between the locking element and the locking element, an electrical contact between the contact element and the locking element.
- the steering wheel and the gas bag module are in particular separated from each other.
- the locking element is in particular before creation of the locking connection in this unlocked state.
- an electrical contact between the locking and the contact element is advantageously made.
- the locking element is in this unlocked state in an initial state or in an initial position in which there is electrical contact between the locking and contact element.
- a locked state in which the locking element is mechanically coupled to the locking element, an electrical contact between the contact element and the locking element.
- a mechanical coupling between locking and locking element should be understood in this context, in particular, that the locking connection is created successfully, and that the locking and the locking element in particular mechanically engage with each other and in particular positively and / or non-positively connected.
- the locking element is after successfully created locking connection in this locked state.
- the locking element is located in this locked state also in its initial state or its initial position.
- an intermediate state of the locking or unlocking element in which there is mechanical contact between the locking element and the locking element, there is no electrical contact between the contact element and the locking element.
- mechanical contact should be understood in this context in particular an interaction between the locking and locking element during creation of the locking connection in order to achieve their mechanical coupling.
- the locking element is in particular during the creation of the latching connection in this intermediate state, so while the locking element from the unlocked to the locked state passes.
- the locking element is in particular not in its initial state or its starting position. Since there is no electrical connection between the locking element and contact element in this intermediate state, in particular no electrical connection between the locking, contact and locking element can be made in this case.
- the corresponding horn circuit can not be closed and no horn signal can be generated even if contact element and horn contact are brought into contact. Thus, it can be detected with the help of the horn, whether the locking connection is created correctly or not.
- Hupfunktion can be particularly recognized that the locking element is in the intermediate state that the locking connection is not made correctly and thus that the steering wheel and the airbag module are not properly connected. For a given Hupfunktion can be deduced the correctly prepared locking connection.
- the locking and contact element can be connected to one another via a detachable mechanical connection, by means of which, in particular, their electrical connection can be established.
- locking and contact element in the locked and in the unlocked state via this releasable mechanical connection are interconnected in the intermediate state, this mechanical connection is in particular solved.
- this releasable connection can be realized by means of a plug, snap and / or clamp connection.
- no electrical contact between the contact element and the locking element In the starting position, as explained above, in particular electrical contact between locking and contact element.
- the hopping circuit can not be closed due to the lack of electrical contact between the contact and locking element expediently.
- the horn or non-sounding of the horn signal upon closing of the horn contact and contact element serves as an indicator that the locking element is not in its initial position.
- a Hupfunktion is not activated when the locking element is in an unlocked state, in particular in the unlocked state and / or in the intermediate state.
- the Hupfunktion is activated only in the locked state when this electrical connection made and the Hupstrom Vietnamese is thus closable.
- the Hupsignal serves as an indicator of whether the locking element is in the locked state and thus the locking connection is made correctly.
- the locking element is arranged on the gas bag module or on the steering wheel, that the locking element by interacting with the locking element before or during creation of the locking connection of the or an unlocked state in which the locking element and the contact element are electrically connected to each other , in or an intermediate state in which there is no electrical contact between the locking element and the contact element, is movable or deformable.
- the locking and contact element can be connected in particular via a detachable mechanical connection.
- this mechanical connection is interposed by the interaction or the mechanical contact of locking and latching element Loosened locking and contact element and thus interrupted their electrical connection.
- the locking element is suitably deflected by the interaction of its initial position and moved or deformed in the intermediate state.
- the locking element is arranged on the gas bag module or on the steering wheel such that the locking element is movable or deformable during or after the creation of the latching connection from the intermediate state to the locked state.
- the locking connection is successfully established, in particular the interaction or the mechanical contact between the locking and locking element ends and these two elements are mechanically coupled.
- the deflection of the locking element ends so that it is again moved or deformed from the intermediate state back to its starting position.
- the locking element and the contact element are again mechanically connected to one another and their electrical contact is restored.
- the locking element is therefore in correctly produced locking connection in the locked state. If the process of creating the latching connection has not been carried out correctly and the latching connection has not been produced correctly, the latching element is still in interaction and mechanical contact with the latching element and thus still in the intermediate state. In this case, expediently no electrical connection between contact, locking and locking element produced and the Hupstrom Vietnamese is not closable.
- the non-sounding of the horn signal when moving the airbag module or the cover in Hup Vietnamese thus serves in particular as an indicator of a not properly prepared locking connection.
- an electrical contact between the locking and contact element is thus made before creating the locking connection, in particular when steering wheel and airbag module are separated from each other.
- this electrical contact is advantageously interrupted.
- the electrical contact is advantageously made again.
- the latching element is electrically connectable or connected to an electrical potential, in particular with a ground potential, in particular with a vehicle ground.
- the horn contact is electrically connected or connected directly or via a signaling device with a second electrical potential, for example with a motor vehicle battery. It is understood that the horn contact with ground potential, in particular with vehicle mass, can be connected or connected.
- the latching element can be connected or connected to a motor vehicle battery.
- successfully produced locking connection can thus be closed by moving the airbag module or the cover in Hupcardi and by shorting of contact element and Huptern the corresponding Hupstrom Vietnamese between the first and second potential via latching, locking, contact element, HupCAM and possibly signaling device.
- the locking element is attached to a first end of the gas bag module or the steering wheel.
- a second end of the locking element is preferably movable relative to the or a first end, in particular by bending or displacement, in particular movable in a plane perpendicular to a Hupraum.
- the locking element can be deflected by such a movable second end by interaction with the locking element in creating the latching connection from its initial state to the intermediate state.
- the locking element can be moved by the movable second end during or after creation of the locking connection back to its initial state.
- the honing direction is in particular parallel to a mounting direction along which the gas bag module and the steering wheel are moved relative to one another in order to produce the latching connection.
- the second end of the locking element is interacting with the latching element thus expediently deflected perpendicular to this mounting direction.
- the locking element can be connected to the or a second end with the contact element, in particular by hooking the second end to the contact element.
- the mechanically detachable connection between locking and contact element is expediently produced.
- the mechanical and electrical connection between the latching and contact elements can thus be released, for example by unhooking the second end, which has been hooked to the contact element.
- the electrical connection between the contact and locking element can be restored.
- the contact element and the locking element are arranged on a rear side of the gas bag module or on the steering wheel.
- contact and locking element are arranged on the back of the gas bag module and the gas bag module can be arranged with this back on the steering wheel.
- contact and locking element can also be arranged on the steering wheel and the latching element is preferably arranged on the rear side of the airbag element, with which the gas bag module can be arranged on the steering wheel.
- the gas bag module or the steering wheel in particular on its rear side, an opening through which the locking element is at least partially insertable into an outer surface of the gas bag module or the steering wheel.
- the latching element is expediently introduced through this opening.
- the locking element is arranged at or in the vicinity of this opening, that it can interact with the locking element during creation of the latching connection.
- the latching element is a latching hook or a latching clip.
- the locking element is deflected by interaction with a slope of the latching hook or the locking clip from its initial state during creation of the latching connection.
- the locking element is a spring element, in particular a leg spring or a wire spring. As such a spring element, the locking element can be deflected during its creation of the latching connection of its initial state, in particular deformed. By appropriate spring force, the locking element can be automatically moved back into its initial state during or after the creation of the locking connection.
- the contact element is a wire or a metal sheet.
- the contact element can be arranged, in particular, in a straightforward and space-saving manner on the gas bag module or on the steering wheel.
- latching connections can be produced, for which purpose expediently a plurality of locking elements and latching elements can be arranged on the gas bag module or the steering wheel.
- pairs of a respective locking element and a latching element are arranged to enter in each case a latching connection.
- several or expediently all of the existing locking element-locking element pairs may each be formed according to the present description.
- exactly one locking element or exactly two locking elements or exactly three locking elements are arranged on the gas bag module or on the steering wheel.
- exactly one locking element or exactly two locking elements or exactly three locking elements are arranged on the steering wheel or on the gas bag module.
- each of these plurality of locking elements can each be connected to at least one contact element.
- a contact element is provided for each locking exactly.
- a horn contact is expediently provided in each case. If the corresponding latching connection between the respective latching and locking element is made, the respective contact, locking and latching element are expediently electrically connected to one another.
- a contact element and a HupCAM and thus in each case a closable Hupstrom Vietnameseabites are preferably provided for each pair of locking and locking element.
- the invention further relates to a method for connecting a gas bag module with a steering wheel.
- Advantages and advantageous embodiments of the method according to the invention result in an analogous manner from the above description of the gas bag module according to the invention, the steering wheel according to the invention and the assembly according to the invention.
- an airbag module preferably a preferred embodiment of a gas bag module according to the invention and a steering wheel, preferably a preferred embodiment of a steering wheel according to the invention, connected to each other by means of a latching connection.
- a latching connection either a locking element on the gas bag module and a latching element on the steering wheel are arranged, or a latching element on the steering wheel and a latching element on the gas bag module are arranged for this latching connection, analogous to the above description.
- the method comprises the following steps: establishing an electrical contact between the locking element and a contact element. Interrupting the electrical contact between the locking element and the contact element during the creation of the latching connection, preferably by an interaction of the locking element and the latching element. Re-establishing the electrical contact between the locking element and the contact element during or after creation of the locking connection.
- the gas bag module or a cover of the gas bag module can be moved relative thereto in a honing direction relative to the steering wheel in order to close an electrical contact between the contact element and a horn contact, in order to generate a horn signal.
- an electrical contact between the locking and contact element is thus produced before creating the locking connection, in particular when steering wheel and airbag module are separated from each other. While creating the locking connection of this electrical contact is interrupted, so that a corresponding Hupstrom Vietnamese can not be closed and the Hupfunktion is interrupted. With successfully established locking connection of the electrical contact is restored, whereby the Hupfunktion is activated. After successfully created locking connection, the horn function is activated and the horn signal can be generated.
- 1 a and 1 b in each case one embodiment of an assembly according to the invention with an airbag module according to the invention and / or a steering wheel according to the invention in a schematic sectional view;
- Fig. 2 a preferred embodiment of an inventive
- FIG. 4a to 4d show schematically elements of a preferred embodiment of an assembly according to the invention during various method steps of a preferred embodiment of a method according to the invention
- FIG. 5 shows a further, preferred embodiment of an assembly according to the invention in a schematic sectional view
- FIG. 6 shows the assembly according to FIG. 5 in an unlocked state
- FIG. 7 shows the assembly according to FIG. 5 in an intermediate state during assembly of the gas bag module on the steering wheel
- FIG. 8 shows the assembly according to FIG. 5 in a locked state
- FIG. 9 shows the assembly according to FIG. 5 in a locked state when the signaling device is triggered.
- FIG. 1 a a first preferred embodiment of an assembly according to the invention is shown schematically and designated 1 10.
- the assembly 1 10 includes a preferred embodiment of a gas bag module according to the invention 1 1 1 and a steering wheel 1 12th
- the steering wheel is connected to a steering column 1 19.
- a gas generator 1 13 and an airbag 1 14 are arranged, which is inflatable by the gas generator 1 13. It is understood that the gas bag module 1 1 1 and steering wheel 1 12 may have more elements.
- Airbag module 1 1 1 and steering wheel 1 12 are connected to each other in the example shown by means of locking connections or connected.
- a first component of these locking connections form at least two, preferably three, arranged on the steering wheel 1 12 locking elements 120 in the form of latching hooks.
- a second component of these snap connections form one or more, at a Unterg. Rear side 1 1 1 a of the airbag module 1 1 1 arranged locking elements 130, which are formed for example in the form of individual leg springs.
- a spring wire is conceivable, in which the one or more locking elements are hooked.
- the latching hook 120 can at least partially into an outer Surface of the airbag module 1 1 1 are introduced.
- the locking elements on the underside of the 1 1 1 a opposite inside of the airbag module. At least in this case, the locking elements at least partially pass through the openings 133 through the back 11 1 1 a.
- At least one of, preferably all, at least partially electrically conductive Verrieglungsieri 130 are connected to an electrically conductive contact element 131 in electrical contact or electrically conductive.
- the contact elements 131 are electrically connected to one another and are preferably integrally formed in the form of a conductor track from preformed, electrically conductive flat material, in particular (stamped) metal sheet.
- contact elements 131 formed from wire material or interconnected via one or more (flexible) wire sections are also provided.
- the contact elements 131 form part of a horn circuit 140.
- one end of the contact elements 131 is each shaped as a pin 132, for example by means of a rivet. It is also conceivable that a pin is formed as a separate component and disposed on the gas bag module 1 1 1 and that contact element 131 and pin 132 are mechanically and / or electrically connected to each other.
- each of the contact elements 131 is a contact point 134, in particular in the form of a contact projection or contact extension 134 is provided, on which in turn abuts the electrically conductive locking element 131 or to which it is electrically conductively connected.
- the latching hooks 120 are in each case electrically connectable or connected to a first electrical potential 121, for example (directly or indirectly) with the potential of a motor vehicle battery or with the motor vehicle ground.
- the pins 132 In the assembly 1 10 shown in Figure 1 a are on the steering wheel 1 12 as another part of the Hupstrom Vietnamesees 140, the pins 132 each opposite and spaced therefrom, each Hupcarde 1 16 arranged. These Hupcarde 1 16 are each connected to a second electrical potential 1 18 connected or connected, for example, with vehicle mass or the potential of the motor vehicle battery.
- the horn circuit 140 further includes a signaling device 1 17, such as a "horn" and / or electronics, depending on the contact of one or more of the horns 1 16 with one or more of the pins 132 (closing and opening the Hupstrom Vietnamesees 140) a sound signal or To close (and open) the honing circuit 140, the airbag module 1141 shown in FIG.
- the gas bag module 1 1 1 is held in a rest position so relative to the steering wheel 1 12 that a free end of the pin or 132 at a predetermined distance to the (respectively) correspondingly opposite free End of the or the horn contacts is.
- FIG. 1 b a further preferred embodiment of an assembly according to the invention is shown and designated by 1 10 '.
- the assembly 1 10 ' comprises a preferred embodiment of a steering wheel 1 12' according to the invention and an airbag module 1 1 1 '.
- FIG. 1 b Elements of Fig. 1 b, which correspond in an analogous manner elements of FIG. 1 a, are designated by the same reference numerals of Fig. 1 a, which were provided with an apostrophe.
- Fig. 1 b in contrast to the assembly 1 10 of Fig. 1a as the first component of the locking connection (s) on the steering wheel 1 12 'one or more locking elements 130', for example in the form of individual leg springs arranged.
- As a second component of the latching connection (s) at least two, preferably three, latching elements in the form of latching hooks 120 'are arranged on the lower or rear side 1 1 1 a' of the gas bag module 1 1 1 '. Through openings 133 'in an outer surface of the steering wheel 1 12', the latching hook 120 'can be at least partially inserted into the steering wheel 1 12'.
- pins 132 ' are analogous to the embodiment shown in Figure 1 a, for example, formed as a conductor of preformed, electrically conductive sheet and in particular electrically connected to each other.
- the contact elements 131 ' form a (steering wheel side) part of a Hupstrom Vietnamesees 140'.
- Another (module-side) part of the Hupstrom Vietnamesees 140 ' is formed by the pins 132' respectively opposite and spaced from these horn contacts 1 16 '.
- the horns 1 16 ' according to the assembly shown in Figure 1 b 1 10' at the bottom or rear 1 1 1 a 'of the airbag module 1 1 1' are arranged.
- Analogous to the assembly 1 10 of Figure 1 a are the locking elements 120 'and the horns 1 16' of the assembly shown in Figure 1 b 1 10 'each with an electrical potential 121' and 1 18 'connectable or connected. Furthermore, the Hupstrom Vietnamese 140 'includes a signaling device 1 17 or is connected to such.
- the gas bag module 1 1 1 1 'for closing or opening the honing circuit 140' in the honing direction H can also be moved toward the steering wheel 1 12 'in the illustrated example of FIG. 1 b ("floating modules "Principle).
- the gas bag module 1 1 1' is held in a rest position, so that a free end of the pin or 132 'at a predetermined distance to the (respectively) correspondingly opposite free end of the or the horns 1 16' lies.
- the mode of operation of this embodiment according to FIG. 1 b essentially corresponds to the embodiment described with reference to FIG.
- the assembly can also be configured with a Hupvorraum working according to the so-called "Floating Cover” principle, according to which the gas bag module is not movable, but stationary or in a (in the installed state) fixed distance to the steering wheel and a cover of the gas bag module towards the steering wheel is to be moved to close the Hupstrom Vietnamese
- a compression of the cover and the underside-containing portion of the gas bag module generates a closing of the electric Hupstrom Vietnamesees
- a preferred embodiment of such a gas bag module according to the invention which is designed according to the "floating cover” principle, is shown in a schematic bottom view in Fig.
- the gas bag module 21 1 is adapted to a corresponding one Steering wheel another preferred gte embodiment of an assembly according to the invention to form.
- elements which correspond in an analogous manner to elements from FIG. 1 a are designated by the reference symbols of FIG. 1 a, increased by the value 100.
- the airbag module 21 1 shown in FIG. 2 also has on its underside 21 1 a locking elements 230, which in this example are designed as two torsion springs.
- the locking elements 230 are adapted to enter with a arranged on a corresponding steering wheel locking elements, such as latching hooks, a snap-in connection.
- 21 1 a contact elements 231, 231 'are arranged on the underside, which are formed in the illustrated example in one piece in the form of a conductor of preformed, electrically conductive sheet, in particular (punched) sheet metal.
- Each of the locking elements 230 is in each case electrically connectable to one of the contact elements 231, 231 '.
- a contact point 234 is preferably provided on each of the contact elements 231, 231 ', in particular in the form of a contact projection or contact projection. Fortsatzes, with which the respective electrically conductive locking element 231, 231 'is electrically connected.
- the locking elements 230 designed as torsion springs in the embodiment described here are each arranged on the gas bag module 21 1 in such a way that a first end 230 a of the leg spring 230 is fastened to the underside 21 1 a of the gas bag module 1 1 and a second end 230 b of the leg spring 230 is attached relative thereto to the first end 230a (towards it) is movable.
- This second end 230b is in particular in the plane of the bottom 21 1 a (or a plane parallel thereto spanned plane) of the airbag module 21 1, that is movable in a plane perpendicular to the honing direction.
- the leg spring 230 shown on the left in FIG. 2 is shown in an initial state in the example shown, in which the second end 230b of this leg spring is not deflected and is in electrical connection with the corresponding left contact element 231.
- the corresponding second end 230b of this locking element 230 thus abuts against the contact point 234 of the left contact element 231 and establishes an electrically conductive connection.
- the leg spring 230 shown on the right in FIG. 2 is shown in this example in an intermediate state, in which the leg spring 230 is deformed from its initial state, in particular is deflected.
- this intermediate state the second end 230b of this right-hand locking element 230 does not abut against the contact point 234 of the right-hand contact element 231 ', so that the right-hand locking element 230 is not electrically connected to the right-hand contact element 231' in the state shown.
- the leg springs 230 are deflected from their initial state to this intermediate state.
- a total of exactly three horn contacts are shown (top left, top right and center bottom).
- only two or even four horn contacts are conceivable.
- the contact element 231 ' has two ends 232, each shaped as a pin 232, for example by means of a rivet.
- one end of the contact element 231 arranged on the right in FIG. 2 is shaped as a pin 232.
- the shaped as a pin 232 ends are each arranged at a defined distance below the bottom 21 1 a of the airbag module 21 1.
- an elastic element 235 between the bottom 21 1 a of the airbag module 21 1 and each pin 232 is in each case an elastic element 235, in particular an electrically conductive spring element 235, respectively.
- the elastic elements 235 are each formed as a leaf spring.
- the elastic members 235 are connected to each other via an electrically conductive connection (not shown), e.g. coupled from a wire or flat metal and with a second electrical potential 218, for example, with vehicle ground or the potential of the motor vehicle battery, electrically connected or connected.
- the elastic elements 235 each have a free end 236, which projects beyond an outer lateral contour of the underside 21 1 a of the airbag module 21 1 and overlaps with a (here ring-shaped) element of a driver-side cover (cover) 237 of the airbag module 21 1 such in that, when the cover 237 is pressed down in the lifting direction H, in each case the free end 236 of the elastic elements 235 is pushed away from the underside 21 1 a.
- contact element 231 is in a state of airbag module 21 1 latched to a steering wheel, that is to say when a latching connection is produced between torsion springs 230 of airbag module 221 and the corresponding latching hooks of the steering wheel , Leg spring 230 and the corresponding electrically conductive latching hooks electrically connected to each other.
- the latching hooks are in particular electrically connectable or connected to a first electrical potential, for example (directly or indirectly) with the potential of a motor vehicle battery or with the motor vehicle mass.
- the airbag module 21 1 shown in FIG. 2 is designed according to the "floating cover" principle.
- the driver facing the cover 237 is relative to the bottom 21 1 a of the airbag module 21 1 movable.
- the cover 237 can thus be moved in a honing direction onto the steering wheel in order to close the honing circuit 240.
- the honing direction H can in particular run parallel to a longitudinal axis of the corresponding steering wheel or in directions enclosing an angle of up to 20 °, preferably up to 10 ° to the longitudinal axis.
- FIG. 3 schematically shows a preferred embodiment of a method according to the invention as a block diagram.
- FIGS. 4a to 4d schematically show individual elements of a preferred embodiment of an assembly according to the invention during various steps of this method illustrated in FIG.
- FIGS. 4 a to 4 d can accordingly correspond to the respective analogous elements of the preferred embodiments of gas bag modules or steering wheels according to the invention shown in FIGS. 1 a, 1 b or 2.
- FIGS. 4 a to 4 d elements which correspond in an analogous manner to elements from FIG. 1 a, in each case with the reference symbols used in FIG. 1 a, are designated by the value 300.
- an airbag module is connected to a steering wheel to form an assembly and a latching connection between corresponding locking and locking elements are produced.
- step 301 an electrical contact is established between the locking elements and contact elements arranged on the gas bag module or on the steering wheel prior to the creation of this latching connection.
- Airbag module and steering wheel are not connected to each other in step 301, but separated from each other.
- Fig. 4a are designed as a latching hook 420 latching element, designed as a leg spring 430 locking element and designed as a wire or flat metal 431 contact element during this process step 301, ie before creation of the latching connection shown schematically.
- locking element 430 and latching element 420 While locking element and contact element are arranged on the gas bag module, the latching element is arranged on the steering wheel (corresponding to embodiment according to FIG. 1 a), or vice versa (corresponding to embodiment according to FIG. 1 b).
- the wire 431 is in mechanical and electrical connection with the leg spring 430.
- the second end 430b of the leg spring 430 is resiliently biased against the contact point 434 of the wire 431.
- the leg spring 430 is in its initial state and in an unlocked (not coupled to the latch hook) state.
- the latching hook 420 is moved in a mounting direction, which corresponds in particular to the honing direction, relative to the leg spring 430 toward the latter.
- a method step 302 the electrical contact between locking element 430 and contact element 431 is interrupted during the creation of the latching connection.
- Fig. 4b latch hook 420, leg spring 430 and wire 431 during this process step 302, ie during creation of the latching connection shown.
- Locking element 430 and locking element 420 interact with one another during method step 302. Through this interaction or by appropriate mechanical contact between latching hook 420 and leg spring
- the second end 430b of the leg spring is deflected.
- the second end 430b is no longer in contact with pad 434, interrupting the electrical connection between leg spring 430 and wire 431.
- the locking element 430 is moved by interaction or mechanical contact with the latching element 420 from its initial state or from the unlocked state to an intermediate state. In this intermediate state, a horn signal can not be generated since the closed electrical connection of leg spring 430 and wire 431 can not produce a closed circuit between the electrical potentials 418 and 421.
- a method step 303 the electrical contact between locking element 430 and contact element 431 is re-established during or after the latching connection has been created.
- latch hook 420 leg spring 430 and wire 431 are shown during this process step 303 after creation of the latching connection.
- Locking element 430 and locking element 420 are now mechanically coupled to each other, the locking element 430 is in a locked state.
- the second end 430 b is moved back to its original state after the latching connection has been created and pushes against the wire 431, whereby the second end 430 b rests again against the contact point 434 and leg spring 430 and wire 431 are again electrically connected.
- the horn function is now activated and the horn circuit is now closable.
- a horn signal is generated, for example by moving the corresponding airbag module 11 1 1, 11 'or the cover of 237 of the corresponding airbag module 21 1 in the lifting direction H, whereby pin 132, 132', 232 and horn contact 1 16, 1 16 ', 216 contact each other electrically.
- the pin 432 of the wire becomes
- FIG. 5 shows an alternative, particularly preferred assembly 510 with a steering wheel 512 and an airbag module 51 1 for arrangement on the steering wheel 512.
- a locking element 530 and a contact element 531 are arranged on the gas bag module 51 1, wherein the locking element 530 can enter into a latching connection with a latching element 520 arranged on the steering wheel 51 2, by which the gas bag module 51 1 and the steering wheel 51 2 can be connected to one another.
- the locking element 530 is shown in Figure 5 is a movable elastic spring element and can relative to the locking element 520, which is designed here as a rigid latching hook, take an unlocked state, a locked state and an intermediate intermediate state.
- the general locking construction is constructed analogous to the embodiment of Figure 1 a.
- a latching construction is conceivable in which the locking element 530 and the contact element 531 on the steering wheel 51 2 and the latching element 520 are provided on the gas bag module 51 1, analogous to the assembly of Figure 1 b.
- mixed forms of these latching constructions can be used.
- the relative movement for triggering the vehicle horn in the assembly 51 0 according to FIG. 5 does not take place in the region of the latching connection between the steering wheel 51 2 and the gas bag module 51 1, but within the gas bag module 51 1; specifically between a steering wheel-side module plate 524, which also has the locking element 530 and the contact element 531, and the remainder of the gas bag module 51 1.
- the relative movement can also take place, for example, between an occupant-side module cover and the remainder of the airbag module 51 1.
- the construction according to FIGS. 5 to 9 ensures a particularly high functional reliability of the vehicle horn when the assembly 51 0 is mounted correctly. with regard to the remaining structural design as well as the general principle of operation is explicitly made to the above statements to the figures 1 to 4.
- the assembly 51 0 is shown in Figure 5 in a mounted, unactuated initial state.
- the locking element 530 is in its locking state, so that the gas bag module 51 1 is correctly locked to the steering wheel 51 2.
- the horn contact 51 6 is spaced from the contact element 531, so that a horn circuit 540 (schematically indicated in FIG. 9) is not closed and the signal device 51 7 accordingly outputs no horn signal.
- FIGS. 6 to 9 each show a section of the assembly 51 0 according to FIG. 5 and illustrate different steps in the assembly of the airbag module 51 1 on the steering wheel 51 2.
- the separate airbag module 51 1 is shown prior to its mounting on the steering wheel 51 2.
- the assembly 51 0 and the locking member 530 are in an unlocked state in which there is no mechanical contact between the locking element 530 and the locking element 520.
- formed as a wire or sheet contact element 531 forms a stop against which the locking element 530 designed as a spring element is acted upon.
- FIG. 7 shows an intermediate state during latching of the gas bag module 51 1 on the steering wheel 51 2, wherein the latching element 520 of the steering wheel 51 2 is designed as a largely rigid latching hook.
- the locking element 530 slides along an incline of the detent element 520 under elastic deformation and thereby moves away from the contact element 531. Consequently, in this intermediate state there is a mechanical contact between the locking element 530 and the locking element 520, but no electrical contact between the locking element 531 and the contact element 530.
- the horn circuit 540 is interrupted when the locking member 530 is in a deflected or partially displaced state, starting from its home position shown in FIG.
- FIG. 8 shows a locked state of the assembly 51 0 or of the locking element 530, in which the gas bag module 51 1 is correctly locked and mounted on the steering wheel 51 2.
- the locking element 530 is in this case electrically connected to the latching element 520 and mechanically coupled, in particular latched, wherein between the locking element 530 and the contact element 531 again there is an electrical contact.
- the locking element 530 in its locked state according to FIG. 8 assumes in particular the same position relative to the contact element 531 as in the unlocked state according to FIG. 6.
- a spacer 51 5 is provided with an elastic portion 541.
- the portion 541 is elastically deformed when locking the airbag module 51 1 on the steering wheel 51 2, so that builds up an axial bias in the locking connection. In this way, rattling noise between the locking element 530 and the locking element 520 can be avoided while driving.
- Actuation of the vehicle horn is effected here by means of a separate horn spring 525 and thus independently of the spacer element 51.
- the axial preload provided by the spacer element 51 is in particular greater than a resistance of the horn spring 525, so that no relative movement between the locking element 530 occurs even with a horn actuation and the latching element 520 occurs.
- the locking member 530 is electrically connected via the locking member 530 electrically connected to the contact element 531.
- the contact element 531 is electrically connectable to a horn contact 51 6 for generating a horn signal.
- the latching element 520 is connected to an electrical potential 521, in particular to a ground potential such as the vehicle ground, whereas the horn contact 51 6 is connected to a second electrical potential 51 8, in particular the vehicle battery.
- the horn spring 525 is deformed in the axial honing H according to Figure 9 until an electrical contact between the contact element 531 and the horn contact 51 6 is made and the signaling device 51 7 outputs a signal.
- the assembly 51 0 can thus be on the function of the vehicle horn simple and fast correct installation of the airbag module 51 1 on the steering wheel 51 2 check. Only when the airbag module 51 1 is properly locked, so the locking member 530 rests in its locked state on the contact point 534 on the contact element 531 and beyond is in electrical contact with the locking element 520, a horn signal can sound. If the vehicle horn does not function during a horn actuation, this is an indication of a faulty or inadequate locking of the airbag module 51 1.
- leg spring 430b second end of the locking element
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
- Steering Controls (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/604,581 US11130462B2 (en) | 2017-04-11 | 2018-03-14 | Airbag module, steering wheel and method for connecting an airbag module to a steering wheel |
CN201880024230.8A CN110546042B (zh) | 2017-04-11 | 2018-03-14 | 气囊模块、方向盘和用于将气囊模块与方向盘连接的方法 |
JP2019555924A JP7074769B2 (ja) | 2017-04-11 | 2018-03-14 | エアバッグモジュール、ステアリングホイール、および、エアバッグモジュールをステアリングホイールに接続するための方法 |
DE112018001960.8T DE112018001960A5 (de) | 2017-04-11 | 2018-03-14 | Gassackmodul, lenkrad und verfahren zum verbinden eines gassackmoduls mit einem lenkrad |
KR1020197033200A KR102577278B1 (ko) | 2017-04-11 | 2018-03-14 | 에어백 모듈, 스티어링 휠 및 에어백 모듈을 스티어링 휠에 연결하는 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017107764.2 | 2017-04-11 | ||
DE102017107764.2A DE102017107764A1 (de) | 2017-04-11 | 2017-04-11 | Gassackmodul, lenkrad und verfahren zum erzeugen eines hupsignals |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018188885A1 true WO2018188885A1 (de) | 2018-10-18 |
Family
ID=61683793
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2018/056432 WO2018188885A1 (de) | 2017-04-11 | 2018-03-14 | Gassackmodul, lenkrad und verfahren zum verbinden eines gassackmoduls mit einem lenkrad |
Country Status (7)
Country | Link |
---|---|
US (1) | US11130462B2 (de) |
JP (1) | JP7074769B2 (de) |
KR (1) | KR102577278B1 (de) |
CN (1) | CN110546042B (de) |
DE (2) | DE102017107764A1 (de) |
FR (1) | FR3064957B1 (de) |
WO (1) | WO2018188885A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4129803A4 (de) * | 2020-03-23 | 2024-04-10 | Autoliv Development AB | Lenkrad |
KR102446841B1 (ko) * | 2020-05-18 | 2022-09-23 | 주식회사 디에이치지 | 전기 자동차용 배터리 열관리 장치의 리크검사장치 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000074980A1 (de) * | 1999-06-04 | 2000-12-14 | Takata-Petri Ag | Lenkrad |
DE20017527U1 (de) * | 2000-10-12 | 2001-02-22 | TRW Automotive Safety Systems GmbH & Co. KG, 63743 Aschaffenburg | Fahrzeuglenkrad |
EP1790536A2 (de) * | 2005-11-29 | 2007-05-30 | TRW Automotive Safety Systems GmbH | Fahrzeuglenkrad mit Airbag und gedämpftem Hupenschalter |
EP2910425A1 (de) * | 2014-02-20 | 2015-08-26 | Dalphi Metal España, S.A. | Hornschaltung |
US20160347345A1 (en) * | 2014-02-21 | 2016-12-01 | Honda Motor Co., Ltd. | Steering wheel structure |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20219124U1 (de) * | 2002-12-10 | 2003-04-17 | TRW Automotive Safety Systems GmbH, 63743 Aschaffenburg | Kontrollsystem für Rastverbindungen |
KR100519231B1 (ko) * | 2003-08-14 | 2005-10-06 | 현대모비스 주식회사 | 차량의 혼 스위치 어셈블리 |
JP5104155B2 (ja) * | 2007-09-20 | 2012-12-19 | 豊田合成株式会社 | エアバッグ装置付きステアリングホイール |
JP2014015185A (ja) | 2012-07-11 | 2014-01-30 | Suzuki Motor Corp | エアバッグ装置付きステアリングホイール装置 |
JP5971213B2 (ja) * | 2013-08-12 | 2016-08-17 | 豊田合成株式会社 | ステアリングホイール |
-
2017
- 2017-04-11 DE DE102017107764.2A patent/DE102017107764A1/de not_active Withdrawn
-
2018
- 2018-03-14 JP JP2019555924A patent/JP7074769B2/ja active Active
- 2018-03-14 CN CN201880024230.8A patent/CN110546042B/zh active Active
- 2018-03-14 WO PCT/EP2018/056432 patent/WO2018188885A1/de active Application Filing
- 2018-03-14 US US16/604,581 patent/US11130462B2/en active Active
- 2018-03-14 DE DE112018001960.8T patent/DE112018001960A5/de not_active Withdrawn
- 2018-03-14 KR KR1020197033200A patent/KR102577278B1/ko active Active
- 2018-04-11 FR FR1853183A patent/FR3064957B1/fr active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000074980A1 (de) * | 1999-06-04 | 2000-12-14 | Takata-Petri Ag | Lenkrad |
DE20017527U1 (de) * | 2000-10-12 | 2001-02-22 | TRW Automotive Safety Systems GmbH & Co. KG, 63743 Aschaffenburg | Fahrzeuglenkrad |
EP1790536A2 (de) * | 2005-11-29 | 2007-05-30 | TRW Automotive Safety Systems GmbH | Fahrzeuglenkrad mit Airbag und gedämpftem Hupenschalter |
EP2910425A1 (de) * | 2014-02-20 | 2015-08-26 | Dalphi Metal España, S.A. | Hornschaltung |
US20160347345A1 (en) * | 2014-02-21 | 2016-12-01 | Honda Motor Co., Ltd. | Steering wheel structure |
Also Published As
Publication number | Publication date |
---|---|
US11130462B2 (en) | 2021-09-28 |
FR3064957B1 (fr) | 2021-04-30 |
FR3064957A1 (fr) | 2018-10-12 |
DE102017107764A1 (de) | 2018-10-11 |
KR102577278B1 (ko) | 2023-09-12 |
JP7074769B2 (ja) | 2022-05-24 |
JP2020516533A (ja) | 2020-06-11 |
CN110546042B (zh) | 2022-04-19 |
KR20190130051A (ko) | 2019-11-20 |
US20200122671A1 (en) | 2020-04-23 |
CN110546042A (zh) | 2019-12-06 |
DE112018001960A5 (de) | 2020-02-13 |
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