DE102005013202A1 - Steering wheel switch has piezoelectric force or capacitive contact sensors arranged under steering wheel lining or airbag module cover and aligned individually to operating switches on lining or cover - Google Patents
Steering wheel switch has piezoelectric force or capacitive contact sensors arranged under steering wheel lining or airbag module cover and aligned individually to operating switches on lining or cover Download PDFInfo
- Publication number
- DE102005013202A1 DE102005013202A1 DE200510013202 DE102005013202A DE102005013202A1 DE 102005013202 A1 DE102005013202 A1 DE 102005013202A1 DE 200510013202 DE200510013202 DE 200510013202 DE 102005013202 A DE102005013202 A DE 102005013202A DE 102005013202 A1 DE102005013202 A1 DE 102005013202A1
- Authority
- DE
- Germany
- Prior art keywords
- steering wheel
- lining
- wheel switch
- switch according
- cover
- 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.)
- Granted
Links
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000012790 confirmation Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 239000003973 paint Substances 0.000 claims 1
- 239000011888 foil Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005253 cladding Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/96—Touch switches
- H03K17/964—Piezoelectric touch switches
- H03K17/9643—Piezoelectric touch switches using a plurality of detectors, e.g. keyboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/04—Hand wheels
- B62D1/046—Adaptations on rotatable parts of the steering wheel for accommodation of switches
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Push-Button Switches (AREA)
- Steering Controls (AREA)
Abstract
Description
Die Erfindung betrifft einen Lenkradschalter.The The invention relates to a steering wheel switch.
Bekannte Lenkradschalter sind durch einen Kraftsensor oder ein Kontaktelement mit kinematischer Komponente gekennzeichnet. Bei diesen Lenkradschaltern wird also eine Kraft, die über einen Weg aufgebracht wird, in ein elektrisches Signal umgesetzt. Deshalb müssen Teile des Lenkrades beweglich gestaltet werden, um diese Kraft-Weg-Umsetzung zu gewährleisten. Diese Schalter sind als gesonderte Komponente im Lenkrad angeordnet und bestehen vereinfacht aus Sub-Komponenten, wie einem Taster, einem kinematischen Teil, einer Blende einem Kraftsensor oder Kontaktelement, einer Elektronik und einem Gehäuse. Der Schalter funktioniert als autarke Komponente unabhängig von den übrigen Komponenten des Lenkrades.Known Steering wheel switches are by a force sensor or a contact element marked with kinematic component. With these steering wheel switches So will a force over a way is applied, converted into an electrical signal. That's why Parts of the steering wheel are designed to be movable to ensure this force-displacement implementation. These switches are arranged as a separate component in the steering wheel and consist of simplified sub-components, such as a button, a kinematic part, a diaphragm a force sensor or contact element, an electronics and a housing. The switch works as a stand alone component regardless of the rest Components of the steering wheel.
Der Nachteil dieser Lenkradschalter besteht darin, dass mehrere Werkzeuge für den Bau der Sub-Komponenten Schaltergehäuse, Schalterblende und Schaltertasten erforderlich sind. Der Lenkradschalter wird in der Praxis als gesonderte Baugruppe von einem Zulieferer entwickelt und gefertigt. Eine bessere Integration des Lenkradschalters in das Lenkrad ist wegen dieser modularen Bauweise des Lenkradschalters kaum möglich.Of the Disadvantage of this steering wheel switch is that several tools for the Construction of sub-component switch housing, switch panel and switch buttons required are. The steering wheel switch is in practice as a separate Assembly developed and manufactured by a supplier. A better Integration of the steering wheel switch in the steering wheel is because of this modular design of the steering wheel switch hardly possible.
Der Erfindung liegt die Aufgabe zugrunde, den Lenkradschalter so zu vereinfachen, dass er integrierte Komponente des Lenkrades werden kann..Of the Invention is based on the object, the steering wheel switch so simplify that he will be integrated component of the steering wheel can ..
Erfindungsgemäß wird das gemäß den Merkmalen des Anspruchs 1 erreicht.According to the invention according to the characteristics of claim 1 achieved.
Bei einem Lenkradschalter ist erfindungsgemäß als Schalter-Komponente mindestens ein piezoelektrischer Kraftsensor und/oder kapazitiver Berührungssensor vorgesehen, der unter einer Lenkradverkleidung und/oder einer Airbagmodul-Abdeckung angeordnet ist, von denen mindestens ein Abschnitt als Betätigungselement zur Beaufschlagung des jeweiligen Sensors mit einer Kraftkomponente dient. Diese Anordnung weist den Vorteil auf, dass sich mit Hilfe der genannten Sensoren Kräfte schon über wenige Mikrometer Weg in elektrische Signale umsetzen lassen. Dadurch entfällt in der Praxis die kinematische Komponente. Durch eine reduzierte Teilezahl und den vereinfachten Schalteraufbau werden die Werkzeugkosten reduziert. Weiterhin bieten sich dem Designer eine erhöhte stilistische Freiheit und mehr Einbaupositionen, da kein Spalt mehr zwischen Schaltertasten und Schalterblende vorhanden ist und die Bauhöhe des Schalters geringer ist.at a steering wheel switch according to the invention as a switch component at least a piezoelectric force sensor and / or capacitive touch sensor provided disposed under a steering wheel cover and / or an airbag module cover is, of which at least one section as actuation element for acting the respective sensor with a force component is used. This arrangement has the advantage that with the help of the mentioned sensors personnel already over convert a few microns away into electrical signals. Thereby deleted in practice, the kinematic component. By a reduced The number of parts and the simplified switch design are the tool costs reduced. Furthermore, the designer offers an increased stylistic Freedom and more installation positions, as no gap between switch buttons and switch panel is present and the height of the switch is lower.
Der mindestens eine Sensor ist vorzugsweise auf einer flexiblen Folie angeordnet und über eine elektrische Leitung mit einer Elektronik verbunden, die die Schaltvorgänge auslöst.Of the at least one sensor is preferably on a flexible film arranged and over an electrical line connected to an electronics that the switching operations triggers.
Als flexible Folie ist vorzugsweise eine piezoelektrische Folie vorgesehen.When flexible film is preferably provided a piezoelectric film.
Die flexible Folie ist in einer bevorzugten Ausführungsform in mindestens einen druckempfindlichen und mindestens einen druckunempfindlich Bereich unterteilt, wobei es zweckmäßig ist, dass jeder druckunempfindliche Bereich der flexiblen Folie von der Unterseite durch je eine Komponente des Lenkrades und/oder des Airbagmoduls abgestützt ist. Damit wird gewährleistet, dass sich nur die druckempfindlichen Bereiche bewegen können. Diese Bereiche können damit von der Elektronik ausgewertet werden.The flexible film is in a preferred embodiment in at least one pressure-sensitive and at least one pressure insensitive area divided, where appropriate, that each pressure-insensitive area of the flexible film of the Bottom through one component of the steering wheel and / or the airbag module supported is. This will ensure that only the pressure-sensitive areas can move. These Areas can so that they are evaluated by the electronics.
In einer zweckmäßigen Ausgestaltung ist vorgesehen, dass die druckunempfindlichen Bereiche der flexiblen Folie auf dem Lenkradskelett aufliegen und dass die Folie unter einer Lenkrad-Speichenblende, die einen Abschnitt der Lenkradverkleidung darstellt, befestigt ist. Damit können die Lenkrad-Speichenblende und die Folie über die gesamte gemeinsame Fläche eine Verbindung eingehen.In an expedient embodiment is provided that the pressure-insensitive areas of the flexible Slide film on the steering wheel skeleton and that the film is under a steering wheel spoke panel that covers a portion of the steering wheel fairing represents, is attached. This allows the steering wheel-spoke aperture and the slide over the entire common area make a connection.
Die druckunempfindlichen Bereiche der flexiblen Folie liegen bei einer bevorzugten Ausführungsform auf Auflageabschnitten, die im Abstand zueinander angeordnet sind.The pressure-insensitive areas of the flexible film are at a preferred embodiment on support sections, which are arranged at a distance from each other.
Die Folie ist vorzugsweise mittels Kleber oder Thermolack auf ihrer gesamten Fläche mit der Lenkradspeichenblende verbunden.The Foil is preferably by means of adhesive or thermoresist on her entire area connected to the steering wheel spoke panel.
Ein besonderer Vorteil dieser Anordnung besteht darin, dass Schalter Sub-Komponenten eines herkömmlichen Schalters wie Tasten, Gehäuse und kinematische Komponenten durch bestehende Lenkradkomponenten wie z.B. Skelett, Zierblenden und sonstige Lenkradoberflächen ersetzt worden sind.One particular advantage of this arrangement is that switch Sub-components of a conventional Switches like buttons, housing and kinematic components through existing steering wheel components such as. Skeleton, trim and other steering wheel surfaces replaced have been.
Da bei diesem Lenkradschalter keine für den Menschen messbare Kraft-Weg-Kennlinie existiert, ist es zweckmäßig, dass zur Bestätigung eines Schaltvorganges eine haptische und/oder akustische und/oder optische Rückmeldung vorgesehen ist.There in this steering wheel switch no man-measurable force-displacement curve exists, it is appropriate that for confirmation a switching process a haptic and / or acoustic and / or visual feedback is provided.
Die Erfindung soll anhand von Zeichnungen erläutert werden. Es zeigen:The The invention will be explained with reference to drawings. Show it:
In
der
Bei
dem in der
Der
prinzipielle Aufbau des Lenkradschalters ist aus der
Aus
der
Bei
der Ausführungsform
der
Die
Ausführungsform
der
Die
Ausführungsformen
lassen erkennen, dass gegenüber
einem Schalter des Standes der Technik gemäß
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510013202 DE102005013202B4 (en) | 2005-03-16 | 2005-03-16 | steering wheel switches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510013202 DE102005013202B4 (en) | 2005-03-16 | 2005-03-16 | steering wheel switches |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102005013202A1 true DE102005013202A1 (en) | 2006-09-28 |
DE102005013202B4 DE102005013202B4 (en) | 2006-11-23 |
Family
ID=36973559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510013202 Expired - Fee Related DE102005013202B4 (en) | 2005-03-16 | 2005-03-16 | steering wheel switches |
Country Status (1)
Country | Link |
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DE (1) | DE102005013202B4 (en) |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011110352A1 (en) * | 2010-03-11 | 2011-09-15 | Johnson Mathey Catalysts (Germany) Gmbh | Pressure sensor assembly and horn for a vehicle |
US8783132B2 (en) | 2007-09-06 | 2014-07-22 | Takata-Petri Ag | Steering wheel assembly for a motor vehicle |
DE202015008566U1 (en) * | 2015-12-15 | 2017-03-16 | Quin Gmbh | Decorative element and steering wheel for a motor vehicle |
US9815406B2 (en) | 2012-10-23 | 2017-11-14 | Tk Holdings, Inc. | Steering wheel light bar |
US9821703B2 (en) | 2012-10-23 | 2017-11-21 | Tk Holdings, Inc. | Steering wheel light bar |
US9873446B2 (en) | 2014-07-23 | 2018-01-23 | Tk Holdings, Inc. | Steering grip light bar systems |
RU178840U1 (en) * | 2017-03-31 | 2018-04-19 | Алексей Валерьевич Косцов | Steering wheel cover with pressure sensors |
WO2018134400A1 (en) | 2017-01-23 | 2018-07-26 | Autoliv Development Ab | Vehicle steering wheel |
US10036843B2 (en) | 2015-04-24 | 2018-07-31 | Joyson Safety Systems Acquisition Llc | Steering wheel light bar |
US10046786B2 (en) | 2014-12-30 | 2018-08-14 | Joyson Safety Systems Acquisition Llc | Occupant monitoring systems and methods |
US10532659B2 (en) | 2014-12-30 | 2020-01-14 | Joyson Safety Systems Acquisition Llc | Occupant monitoring systems and methods |
US10696217B2 (en) | 2017-01-04 | 2020-06-30 | Joyson Safety Systems Acquisition | Vehicle illumination systems and methods |
US11772700B2 (en) | 2018-03-08 | 2023-10-03 | Joyson Safety Systems Acquisition Llc | Vehicle illumination systems and methods |
DE102022119337A1 (en) | 2022-08-02 | 2024-02-08 | Preh Gmbh | Vehicle steering wheel with one-piece impact pot cover and associated detection method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4742192A (en) * | 1987-06-01 | 1988-05-03 | Saturn Corporation | Steering wheel rim horn blow mechanism |
WO1998003372A1 (en) * | 1996-07-24 | 1998-01-29 | Ut Automotive Dearborn, Inc. | Flexible switch for a vehicle steering wheel assembly |
DE19927464A1 (en) * | 1999-06-16 | 2000-12-21 | Volkswagen Ag | Steering wheel with key elements for operating electrically controlled devices in a motor vehicle uses piezoelectric pressure sensors acting as key elements. |
DE10204856A1 (en) * | 2001-02-07 | 2002-08-08 | Lear Corp | Vehicle interior component with a flexible cover having an integrated circuit |
DE10234863A1 (en) * | 2002-07-31 | 2004-02-12 | Pfenninger, Thomas, Dr. | Electrical push button switch has a contact pad that applies pressure to a piezo stack or displaces a magnetic core in a coil to generate an electrical output |
-
2005
- 2005-03-16 DE DE200510013202 patent/DE102005013202B4/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4742192A (en) * | 1987-06-01 | 1988-05-03 | Saturn Corporation | Steering wheel rim horn blow mechanism |
WO1998003372A1 (en) * | 1996-07-24 | 1998-01-29 | Ut Automotive Dearborn, Inc. | Flexible switch for a vehicle steering wheel assembly |
DE19927464A1 (en) * | 1999-06-16 | 2000-12-21 | Volkswagen Ag | Steering wheel with key elements for operating electrically controlled devices in a motor vehicle uses piezoelectric pressure sensors acting as key elements. |
DE10204856A1 (en) * | 2001-02-07 | 2002-08-08 | Lear Corp | Vehicle interior component with a flexible cover having an integrated circuit |
DE10234863A1 (en) * | 2002-07-31 | 2004-02-12 | Pfenninger, Thomas, Dr. | Electrical push button switch has a contact pad that applies pressure to a piezo stack or displaces a magnetic core in a coil to generate an electrical output |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8783132B2 (en) | 2007-09-06 | 2014-07-22 | Takata-Petri Ag | Steering wheel assembly for a motor vehicle |
WO2011110352A1 (en) * | 2010-03-11 | 2011-09-15 | Johnson Mathey Catalysts (Germany) Gmbh | Pressure sensor assembly and horn for a vehicle |
US10179541B2 (en) | 2012-10-23 | 2019-01-15 | Joyson Safety Systems Acquisition Llc | Steering wheel light bar |
US9815406B2 (en) | 2012-10-23 | 2017-11-14 | Tk Holdings, Inc. | Steering wheel light bar |
US9821703B2 (en) | 2012-10-23 | 2017-11-21 | Tk Holdings, Inc. | Steering wheel light bar |
US9873446B2 (en) | 2014-07-23 | 2018-01-23 | Tk Holdings, Inc. | Steering grip light bar systems |
US10780908B2 (en) | 2014-07-23 | 2020-09-22 | Joyson Safety Systems Acquisition Llc | Steering grip light bar systems |
US11834093B2 (en) | 2014-07-23 | 2023-12-05 | Joyson Safety Systems Acquisition Llc | Steering grip light bar systems |
US11242080B2 (en) | 2014-07-23 | 2022-02-08 | Joyson Safety Systems Acquisition Llc | Steering grip light bar systems |
US10046786B2 (en) | 2014-12-30 | 2018-08-14 | Joyson Safety Systems Acquisition Llc | Occupant monitoring systems and methods |
US10532659B2 (en) | 2014-12-30 | 2020-01-14 | Joyson Safety Systems Acquisition Llc | Occupant monitoring systems and methods |
US10036843B2 (en) | 2015-04-24 | 2018-07-31 | Joyson Safety Systems Acquisition Llc | Steering wheel light bar |
DE202015008566U1 (en) * | 2015-12-15 | 2017-03-16 | Quin Gmbh | Decorative element and steering wheel for a motor vehicle |
US10696217B2 (en) | 2017-01-04 | 2020-06-30 | Joyson Safety Systems Acquisition | Vehicle illumination systems and methods |
US11208037B2 (en) | 2017-01-04 | 2021-12-28 | Joyson Safety Systems Acquisition Llc | Vehicle illumination systems and methods |
WO2018134400A1 (en) | 2017-01-23 | 2018-07-26 | Autoliv Development Ab | Vehicle steering wheel |
US12024219B2 (en) | 2017-01-23 | 2024-07-02 | Autoliv Development Ab | Vehicle steering wheel |
RU178840U1 (en) * | 2017-03-31 | 2018-04-19 | Алексей Валерьевич Косцов | Steering wheel cover with pressure sensors |
US11772700B2 (en) | 2018-03-08 | 2023-10-03 | Joyson Safety Systems Acquisition Llc | Vehicle illumination systems and methods |
US12122443B2 (en) | 2018-03-08 | 2024-10-22 | Joyson Safety Systems Acquisition Llc | Vehicle illumination systems and methods |
DE102022119337A1 (en) | 2022-08-02 | 2024-02-08 | Preh Gmbh | Vehicle steering wheel with one-piece impact pot cover and associated detection method |
Also Published As
Publication number | Publication date |
---|---|
DE102005013202B4 (en) | 2006-11-23 |
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Legal Events
Date | Code | Title | Description |
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OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Representative=s name: MAIKOWSKI & NINNEMANN PATENTANWAELTE, DE |
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R081 | Change of applicant/patentee |
Owner name: TAKATA AKTIENGESELLSCHAFT, DE Free format text: FORMER OWNER: TAKATA-PETRI AG, 63743 ASCHAFFENBURG, DE Effective date: 20120904 Owner name: JOYSON SAFETY SYSTEMS GERMANY GMBH, DE Free format text: FORMER OWNER: TAKATA-PETRI AG, 63743 ASCHAFFENBURG, DE Effective date: 20120904 |
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R082 | Change of representative |
Representative=s name: MAIKOWSKI & NINNEMANN PATENTANWAELTE, DE Effective date: 20120904 Representative=s name: MAIKOWSKI & NINNEMANN PATENTANWAELTE PARTNERSC, DE Effective date: 20120904 |
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R081 | Change of applicant/patentee |
Owner name: JOYSON SAFETY SYSTEMS GERMANY GMBH, DE Free format text: FORMER OWNER: TAKATA AKTIENGESELLSCHAFT, 63743 ASCHAFFENBURG, DE |
|
R082 | Change of representative |
Representative=s name: MAIKOWSKI & NINNEMANN PATENTANWAELTE PARTNERSC, DE |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |