DE19927464B4 - Steering wheel with feeler elements - Google Patents
Steering wheel with feeler elements Download PDFInfo
- Publication number
- DE19927464B4 DE19927464B4 DE19927464A DE19927464A DE19927464B4 DE 19927464 B4 DE19927464 B4 DE 19927464B4 DE 19927464 A DE19927464 A DE 19927464A DE 19927464 A DE19927464 A DE 19927464A DE 19927464 B4 DE19927464 B4 DE 19927464B4
- Authority
- DE
- Germany
- Prior art keywords
- steering wheel
- pressure sensors
- wheel according
- area
- steering
- 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
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 3
- 230000004913 activation Effects 0.000 claims description 15
- 230000003213 activating effect Effects 0.000 claims 1
- 239000011888 foil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- 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
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/10—Input arrangements, i.e. from user to vehicle, associated with vehicle functions or specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/0076—Switches therefor
- B60Q1/0082—Switches therefor mounted on the steering wheel
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering Controls (AREA)
- Push-Button Switches (AREA)
Abstract
Lenkrad mit Tastelementen zur Betätigung von elektrisch ansteuerbaren Einrichtungen in einem Kraftfahrzeug, wobei die Tastelemente piezoelektrische Drucksensoren sind und die Drucksensoren (3; 5, 6) sich direkt unter einer aus einem elastisch nachgiebigem Material bestehenden Lenkradbeschichtung (7) erstrecken, dadurch gekennzeichnet, dass die Oberfläche der Lenkradbeschichtung (7) im Bereich der Drucksensoren (3; 5, 6) eine fühlbare, von der sonstigen Oberfläche abweichende Oberflächenstruktur (9) hat.steering wheel with feeler elements for actuation electrically controllable devices in a motor vehicle, wherein the sensing elements are piezoelectric pressure sensors and the Pressure sensors (3; 5, 6) are located directly under one of an elastic compliant material existing steering wheel coating (7) extend, characterized characterized in that the surface the steering wheel coating (7) in the region of the pressure sensors (3, 5, 6) a tactile, from the other surface different surface structure (9).
Description
Die Erfindung betrifft ein Lenkrad mit Tastelementen gemäß dem Oberbegriff des Anspruchs 1.The The invention relates to a steering wheel with feeler elements according to the preamble of claim 1.
Aus
Sicherheitsgründen
und um einen verbesserten Bedienungskomfort zu erreichen, können am
Lenkrad eines Kraftfahrzeugs Tastelemente angeordnet werden, mit
denen beispielsweise die Funktionen eines Autoradios gesteuert werden
können. Grundsätzlich können über am Lenkrad
angeordnete Tastelemente eine Vielzahl von unterschiedlichen elektrisch
ansteuerbaren Einrichtungen betätigt
werden, wie dies in der
Aus
der
Die
Schrift
Die
Der Erfindung liegt die Aufgabe zugrunde, ein Lenkrad mit Tastelementen zur Betätigung von elektrisch ansteuerbaren Einrichtungen in einem Kraftfahrzeug zu schaffen, wobei die Tastelemente möglichst einfach aufgebaut sein sollenOf the Invention is based on the object, a steering wheel with feeler elements for operation of electrically controllable devices in a motor vehicle to create, where the feeler elements are as simple as possible should
Die Lösung dieser Aufgabe erhält man durch die im Anspruch 1 angegebenen Merkmale.The solution receives this task one by the features specified in claim 1.
Die als Folien ausgebildeten Drucksensoren befinden sich vorzugsweise direkt unter der aus einem elastisch nachgiebigen Material bestehenden Lenkradbeschichtung.The formed as films pressure sensors are preferably directly under the steering wheel coating made of an elastically yielding material.
Somit lassen sich die Drucksensoren weitgehend gegenüber Umgebungseinflüssen schützen und es werden störende Oberflächenunterbrechungen in Form von Fugen im Bereich der Drucksensoren vermieden. Damit die Drucksensoren eindeutig vom Fahrer erkannt bzw. gefühlt werden können, ist die Oberfläche der Beschichtung im Bereich der Drucksensoren vorzugsweise mit fühlbaren Oberflächenstrukturen ausgestattet. Jeder Drucksensor kann dabei eine andere Oberflächenstruktur haben, so dass der Fahrer nicht nur anhand der Position des Drucksensors, sondern auch anhand seiner Oberflächenstruktur einen bestimmten Drucksensor erkennen kann.Consequently the pressure sensors can be largely protected against environmental influences and it will be disturbing surface disruption avoided in the form of joints in the field of pressure sensors. In order to the pressure sensors are clearly recognized or felt by the driver can, is the surface the coating in the field of pressure sensors preferably with tactile surface structures fitted. Each pressure sensor can have a different surface structure so that the driver is not limited to the position of the pressure sensor, but also a specific one based on its surface structure Pressure sensor can detect.
Die Verwendung von piezoelektrischen Drucksensoren stellt sicher, dass ein Tastelement nur dann betätigt wird, wenn ein ausreichend starker Druck auf den Drucksensor ausgeübt wird. Außerdem ist ein solcher Drucksensor in seinem Aufbau äußerst einfach, und er kann insbesondere in beliebiger Form und Größe ausgebildet sein.The Using piezoelectric pressure sensors ensures that a probe element only then actuated when a sufficiently strong pressure is exerted on the pressure sensor. Furthermore Such a pressure sensor is extremely simple in construction, and it can be formed in particular in any shape and size.
Besonders vorteilhaft ist es derartige Drucksensoren als piezoelektrische Folien auszubilden, die sich an die unterschiedlichen Oberflächenform des Lenkrads anpassen können. Es lassen sich damit flächige Drucksensoren praktisch an jeder beliebigen Stelle des Lenkrads anordnen.Especially It is advantageous such pressure sensors as piezoelectric Form films that are adapted to the different surface shape of the Steering wheel can adjust. It can thus be flat Pressure sensors virtually anywhere on the steering wheel Arrange.
Bei einer bevorzugten Ausführung der Erfindung ist vorgesehen, dass die Anordnung der Drucksensoren räumlich voneinander abgesetzt in einen Aktivierungsbereich und einen Steuerungsbereich unterteilt ist. Dabei kann der Aktivierungsbereich so positioniert sein, dass im normalen Lenkbetrieb eine ungewollte Betätigung des Aktivierungsbereichs vermieden wird. Erst eine gezielte Betätigung des Aktivierungsbereichs aktiviert den Steuerungsbereich, an dem dann die gewünschten Steuerfunktionen durch Betätigung der Drucksensoren im Steuerungsbereich ausgeführt werden können. Am Aktivierungsbereich kann auch eine Auswahl in der Weise erfolgen, dass dem Steuerungsbereich unterschiedliche Funktionsbereiche zugeordnet werden können. Beispielsweise können dem Steuerungsbereich die Radiofunktionen oder Innenbeleuchtungsfunktionen oder die Funktionen eines Bordcomputers wahlweise durch entsprechende Betätigung der Drucksensoren im Aktivierungsbereich zugeordnet werden.In a preferred embodiment of the invention, it is provided that the arrangement of the pressure sensors is spatially separated from each other into an activation area and a control area. In this case, the activation area can be positioned so that an unwanted actuation of the activation area is avoided in normal steering operation. Only a targeted actuation of the activation area activates the control area, at which the desired control functions can then be performed by actuating the pressure sensors in the control area. The activation area can also be selected in such a way that different functional areas can be assigned to the control area. For example, the control area may be the Ra diofunktionen or Innenbeleuchtungsfunktionen or the functions of an on-board computer are optionally assigned by appropriate actuation of the pressure sensors in the activation area.
Der Aktivierungsbereich kann in vorteilhafter Weise am Lenkrad radial weiter innen als der in einem äußeren Ringraum angeordnete Steuerungsbereich positioniert sein. Die Drucksensoren des Aktivierungsbereichs können beispielsweise an den Speichen und die Drucksensoren des Steuerungsbereichs am Lenkradkranz angeordnet sein.Of the Activation area can be beneficial on the steering wheel radially further inside than in an outer annulus arranged control area to be positioned. The pressure sensors of the activation area for example, on the spokes and the pressure sensors of the control area be arranged on the steering wheel rim.
Eine weitere Sicherheitsmaßnahme sieht vor, dass wenigstens ein Teil der Drucksensoren nur bei Geradeausfahrt oder einem geringen Lenkwinkel und/oder geringer Lenkwinkelgeschwindigkeit betätigbar ist. Es wird dabei davon ausgegangen, dass bei einer Kurvenfahrt mit entsprechendem Lenkeinschlag und/oder Lenkbewegungen beispielsweise die Bedienung des Autotelefons über die Drucksensoren nicht sinnvoll ist, da dies ein Sicherheitsrisiko darstellen würde. Die entsprechenden Steuerungsfunktionen sind daher in einer solchen Verkehrssituation gesperrt. Die zur Betätigung der Blinker vorzugsweise separat am Lenkrad angeordneten Drucksensoren können jedoch weiterhin freigegeben sein, damit der Fahrer in jeder Situation den Blinker ein- oder ausschalten kann.A further safety measure provides that at least some of the pressure sensors only when driving straight ahead or a low steering angle and / or low steering angular velocity actuated is. It is assumed that when cornering with appropriate steering angle and / or steering movements, for example, the Operation of the car phone over the pressure sensors does not make sense, as this represents a security risk would. The corresponding control functions are therefore in such Traffic situation locked. The for operating the turn signal preferably However, separately arranged on the steering wheel pressure sensors can still be released so that the driver can turn the turn signal on or off in any situation can.
Damit die sehr häufig zu betätigenden Drucksensoren für die Blinkfunktion vom Fahrer in jeder Situation eindeutig betätigt werden können, sind diese Drucksensoren vorzugsweise abgesetzt von den übrigen Drucksensoren angeordnet. Die Drucksensoren für die Blinkfunktion können an der Unterseite oder unten am Lenkrad angeordnet sein.In order to the very common to be operated Pressure sensors for the flashing function is clearly operated by the driver in every situation can, These pressure sensors are preferably offset from the other pressure sensors arranged. The pressure sensors for the flashing function can be arranged at the bottom or at the bottom of the steering wheel.
Die Erfindung wird nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert.The Invention will now be described with reference to a drawing embodiment explained in more detail.
Es zeigen:It demonstrate:
Das
in
Die
am Lenkrad
Über die
Drucksensoren
Wie
in der Schnittansicht von
Die
Lenkradbeschichtung
Die
Drucksensoren
- 11
- Lenkradsteering wheel
- 22
- Lenkradkranzsteering wheel rim
- 33
- Drucksensorenpressure sensors
- 44
- Lenkradspeichensteering wheel spokes
- 55
- Drucksensorenpressure sensors
- 66
- Drucksensorenpressure sensors
- 77
- Lenkradbeschichtungsteering wheel coating
- 88th
- piezoelektrische Foliepiezoelectric foil
- 99
- Oberflächenstruktursurface structure
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19927464A DE19927464B4 (en) | 1999-06-16 | 1999-06-16 | Steering wheel with feeler elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19927464A DE19927464B4 (en) | 1999-06-16 | 1999-06-16 | Steering wheel with feeler elements |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19927464A1 DE19927464A1 (en) | 2000-12-21 |
DE19927464B4 true DE19927464B4 (en) | 2008-09-04 |
Family
ID=7911433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19927464A Expired - Fee Related DE19927464B4 (en) | 1999-06-16 | 1999-06-16 | Steering wheel with feeler elements |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19927464B4 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009015800A1 (en) * | 2009-04-01 | 2010-10-07 | Volkswagen Ag | Operating process for vehicle steering wheel involves detecting steering angle and releasing or locking functions unit by operating element depending on detected angle |
DE102010053788A1 (en) | 2010-12-08 | 2012-06-14 | Volkswagen Ag | Method for operation of operating device in vehicle, involves detecting approximation of actuating element at operating element or touch of operating element by actuating element |
DE102015223688A1 (en) | 2015-11-30 | 2017-06-01 | Bayerische Motoren Werke Aktiengesellschaft | Arrangement, means of locomotion and method for assuming a driving task by an occupant of a means of transport located in a highly automated driving state |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1216911A3 (en) * | 2000-12-20 | 2003-02-12 | Aphrodite Agencies Ltd. | Steering control for self-propelled vehicles |
DE20120542U1 (en) | 2001-12-19 | 2002-05-02 | Trw Automotive Safety Sys Gmbh | Steering device for a motor vehicle |
DE10209207B4 (en) * | 2002-03-04 | 2008-08-28 | Siemens Ag | Steering wheel with controls |
DE10211825A1 (en) * | 2002-03-16 | 2003-09-25 | Opel Adam Ag | Electrical switch for a motor vehicle |
DE10261866A1 (en) * | 2002-12-20 | 2004-07-01 | Volkswagen Ag | Steering wheel adjustment system for use in road vehicle involves sensor on steering column and swiveling bearing for steering wheel at top of steering column |
DE10339422A1 (en) * | 2003-08-27 | 2005-03-31 | Daimlerchrysler Ag | Steering wheel for public service omnibus has two spokes set at angle with projection carrying control buttons, connected to microprocessor with speedometer controlling parking brake and doors |
DE10352044A1 (en) * | 2003-11-07 | 2005-06-09 | Bayerische Motoren Werke Ag | Input device for function of vehicle, comprising touch screen embedded in foam material covered by skin-like upper layer |
DE10359297A1 (en) | 2003-12-17 | 2005-07-28 | Lisa Dräxlmaier GmbH | piezo switches |
DE102004031309B4 (en) * | 2004-06-29 | 2014-05-22 | Robert Bosch Gmbh | Steering wheel with a control |
DE102004035444A1 (en) * | 2004-07-22 | 2006-02-16 | Volkswagen Ag | Operating element for operating function in motor vehicle has piezoelectric film mounted on or under flat spring-like support that contains metal plate |
DE102004038752B4 (en) * | 2004-08-09 | 2009-02-19 | Carl Freudenberg Kg | Touch sensor arrangement and use of a touch sensor arrangement |
DE102005013202B4 (en) * | 2005-03-16 | 2006-11-23 | Takata-Petri Ag | steering wheel switches |
DE102005038855A1 (en) | 2005-08-12 | 2007-02-15 | Takata-Petri Ag | steering wheel assembly |
JP4814594B2 (en) | 2005-09-14 | 2011-11-16 | 日立オートモティブシステムズ株式会社 | In-vehicle equipment operation device |
DE102005058856B4 (en) | 2005-12-09 | 2024-06-20 | Volkswagen Ag | Electrical switching element on the steering wheel of a motor vehicle and method for determining the current state of a motor vehicle driver |
DE202006005593U1 (en) * | 2006-04-04 | 2006-08-31 | MöllerTech GmbH | Motor vehicle steering wheel, with grip pressure sensitivity, has a capacitative proximity switch and the metal wheel as an electrode to sound a warning if the driver falls asleep at the wheel |
DE102006023287B4 (en) * | 2006-05-18 | 2017-01-12 | Leopold Kostal Gmbh & Co. Kg | Gripping force sensor for the steering wheel of a motor vehicle with a piezoelectric pressure sensor |
DE102007020936B4 (en) | 2007-05-04 | 2022-11-10 | Volkswagen Ag | Method and device for controlling functional units in a motor vehicle |
US9272724B2 (en) | 2009-09-08 | 2016-03-01 | Golomb Mercantile Company Llc | Integrated vehicle control system and apparatus |
US8198996B2 (en) * | 2009-09-08 | 2012-06-12 | Adam Simon Golomb | Integrated vehicle turn signal system and apparatus |
US8446265B2 (en) | 2009-09-08 | 2013-05-21 | Golomb Mercantile Company Llc | Integrated vehicle control system and apparatus |
US8700262B2 (en) | 2010-12-13 | 2014-04-15 | Nokia Corporation | Steering wheel controls |
DE102012011875A1 (en) * | 2012-06-13 | 2013-12-19 | Valeo Schalter Und Sensoren Gmbh | Manually operable switching device for a vehicle with sensor activation device |
US9896070B2 (en) * | 2013-02-11 | 2018-02-20 | Redevex Corporation | Steering wheel squeeze-activated vehicle braking system |
DE102015118531A1 (en) | 2015-10-29 | 2017-05-04 | Ge-T Gmbh | Operating element, in particular in motor vehicles |
RU178840U1 (en) * | 2017-03-31 | 2018-04-19 | Алексей Валерьевич Косцов | Steering wheel cover with pressure sensors |
CN115214365B (en) * | 2021-08-24 | 2024-02-27 | 广州汽车集团股份有限公司 | Vehicle-mounted equipment control method, device, equipment and system |
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DE19648374A1 (en) * | 1996-11-22 | 1998-06-04 | Volkswagen Ag | Actuator for manual control of vehicle equipment |
DE19739626A1 (en) * | 1996-12-06 | 1998-06-10 | Mannesmann Vdo Ag | Motor vehicle steering wheel with built-in controls |
DE29806461U1 (en) * | 1998-04-08 | 1998-06-18 | Bock, Walter, 65599 Dornburg | Steering wheel with controls for motor vehicles |
-
1999
- 1999-06-16 DE DE19927464A patent/DE19927464B4/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US5539259A (en) * | 1992-04-29 | 1996-07-23 | Davidson Textron, Inc. | Horn actuator incorporating a transducer in a steering wheel |
DE19625966A1 (en) * | 1996-06-28 | 1998-01-02 | Teves Gmbh Alfred | Steering-wheel finger-tip controls for motor vehicle |
DE19648374A1 (en) * | 1996-11-22 | 1998-06-04 | Volkswagen Ag | Actuator for manual control of vehicle equipment |
DE19739626A1 (en) * | 1996-12-06 | 1998-06-10 | Mannesmann Vdo Ag | Motor vehicle steering wheel with built-in controls |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009015800A1 (en) * | 2009-04-01 | 2010-10-07 | Volkswagen Ag | Operating process for vehicle steering wheel involves detecting steering angle and releasing or locking functions unit by operating element depending on detected angle |
DE102010053788A1 (en) | 2010-12-08 | 2012-06-14 | Volkswagen Ag | Method for operation of operating device in vehicle, involves detecting approximation of actuating element at operating element or touch of operating element by actuating element |
DE102015223688A1 (en) | 2015-11-30 | 2017-06-01 | Bayerische Motoren Werke Aktiengesellschaft | Arrangement, means of locomotion and method for assuming a driving task by an occupant of a means of transport located in a highly automated driving state |
US10843709B2 (en) | 2015-11-30 | 2020-11-24 | Bayerische Motoren Werke Aktiengesellschaft | Arrangement, vehicle and method for having an occupant of a vehicle that is in a highly automated driving mode take over a driving task |
Also Published As
Publication number | Publication date |
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DE19927464A1 (en) | 2000-12-21 |
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Legal Events
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8110 | Request for examination paragraph 44 | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20130101 |