WO2013153048A1 - Operating unit for a vehicle component - Google Patents
Operating unit for a vehicle component Download PDFInfo
- Publication number
- WO2013153048A1 WO2013153048A1 PCT/EP2013/057354 EP2013057354W WO2013153048A1 WO 2013153048 A1 WO2013153048 A1 WO 2013153048A1 EP 2013057354 W EP2013057354 W EP 2013057354W WO 2013153048 A1 WO2013153048 A1 WO 2013153048A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- operating element
- operating
- pressure
- bearing end
- Prior art date
Links
- 238000011156 evaluation Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 10
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 4
- 230000011664 signaling Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design 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
- H03K17/9625—Touch switches using a force resistance transducer
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0338—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
-
- 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
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/128—Axially displaceable input devices for instruments
Definitions
- the invention relates to a control unit for a vehicle component such.
- a control unit for a vehicle component such.
- a climate control unit an infotainment device, a navigation device, a radio or generally human-machine interface.
- an operating unit has a housing which has a front side facing the passenger compartment, for example.
- the front can be equipped with a variety of controls such as push buttons, knobs, rocker switches or sliding switches. Examples of such operating units can be found in EP-A-1 988 441, EP-A-0 901 229, DE-A-101 45 842, DE-A-10 2010 026 181 and DE-T-11 2005 003 197.
- the aforementioned mechanically movable operating elements may require complicated kinematics in order to meet the respective requirements of the haptic.
- control units which have fixed or substantially fixed control elements, which are sometimes strip-shaped and have a plurality of control symbols arranged next to one another.
- the pressure exerted on the actuating end of a control element during a manual actuation is detected metrologically.
- capacitive sensors can be used.
- the operating element can be put into (micro) movements via an actuator (eg vibration drive) for the tactual confirmation of the actuation with respect to the operator (also called "force feedback").
- the object of the invention is to provide an operating unit for a vehicle component, which has a substantially rigid operating element whose actuation can be detected by exerting a pressure in a simple and reliable manner.
- an operating unit for a vehicle component such as a climate control unit, an infotainment device, a navigation device, a radio or generally a human-machine interface (MMI) proposed, the control unit is provided with
- MMI human-machine interface
- a housing having a front side
- substantially rigid control element with a disposed inside the housing bearing end for attachment of the operating element and a free operating end and / or front of the housing, wherein Actuation of the control element on the actuation end of which a pressure can be exerted manually,
- At least one pressure sensor having a measuring signal output at each bearing point of the bearing end receiving unit
- an evaluation unit connected to the measurement signal outputs of the pressure sensors for outputting an output signal indicating manual actuation of the operating end of the operating element on the basis of a differential pressure, which is determined by means of the pressure sensors arranged at the bearing points of the bearing end receiving unit during manual exercise a pressure on the operating end of the control element can be determined.
- the control unit according to the invention has (in addition to possibly other controls) at least one substantially rigid control element which is mounted within the housing of the control unit at a bearing end and has a free end which terminates substantially at the front of the housing or with this substantially is aligned and / or over the front of the housing.
- On the operating end of the control element is manually applied pressure.
- the pressure is exerted either from above or from below on the operating end, that is, by pressing down or pulling up the operating end.
- the operation of the operating end is carried out by applying pressure as a push button.
- the operating unit has a bearing end receiving unit for the operating element, which surrounds the operating element at its bearing end physically in the manner of a cantilevered beam.
- a bearing end receiving unit for the operating element which surrounds the operating element at its bearing end physically in the manner of a cantilevered beam.
- pressure sensors which are positioned at the bearing points of the bearing end receiving unit.
- an evaluation unit for outputting a manual operation of the operating end of the control element signaling output signal, namely based on a differential pressure, which is produced by means of the arranged at the bearing points of the bearing end receiving unit pressure sensors with manual exercise of pressure on the operating end of the control.
- an actuation of the operating element is sufficient for the detection of a few of pressure sensors for differential pressure change detection between the unactuated and the actuated state of the control element. This also applies if the operating element can be actuated by pressing from above or pressing from below, that is to say by exerting pressure in one of two essentially opposite directions, in order to realize two different operating functions.
- the operating element has a plurality of symbol fields arranged next to one another, for example, by arranging at least three laterally offset bearing locations, the evaluation of the measuring signals of the pressure sensors arranged at these bearing points can determine which of the symbol fields has been subjected to manual pressure is. Depending on the position of the symbol field to which pressure has been exerted, the torques of the operating element detected by the pressure sensors are different at the end of the bearing.
- the bearing end receiving unit has at least four bearings, each two bearing points opposite to the two encompassed by the Lagerende- receiving unit sides of the bearing end of the control.
- a common encompassed side of the bearing end of the operating element opposite bearing points of the bearing end receiving unit are spaced from each other and in particular arranged each near the opposite Lateralend Schemeen the bearing end of the actuating element are .
- the operating element is formed substantially as a plate body, which is substantially planar or angled, e.g. L-shaped, is configured, and that the bearing end receiving unit has a common receiving groove or two separate receiving groove sections for engaging around the bearing end of the operating element.
- the receiving groove or each receiving groove section may have two opposite groove flanks, each groove flank of the receiving groove having one bearing point or two bearing points or each groove flank of each receiving groove section having a bearing point.
- control element may have a carrier body fastened to the bearing end receiving unit and an actuating body for manual pressure exertion on the operating element at its actuating end.
- Pressure sensors or force-sensitive resistors which are known, inter alia, also by the term Force Sensing Resistor (FSR) are suitable as pressure sensors.
- FSR Force Sensing Resistor
- Another possibility of realizing a pressure sensor, as it can be used in a control unit according to the invention, is the use of electrically conductive sensor material whose conductivity or resistance as a function of the
- the contact resistance of the sensor material can also be evaluated for the pressure or force determination to a contact electrode, which also varies depending on the pressure.
- a sensor material is particularly suitable an elastomeric material such as silicone o. The like., which is mixed with electrically conductive particles or which has a structured, applied to the contact electrode surface. Under the influence of pressure, several or less electrically conductive particles contact one another, which has an effect on the change in the conductivity and thus can serve for pressure detection.
- the structured surface has a larger or smaller contact surface to the contact electrode as a function of the applied pressure, which can likewise be used for pressure sensing.
- Fig. 1 is a perspective view of the front of a control unit with an inventive control element
- Fig. 2 is a section along the line II-II of Fig. 1 and Fig. 3 is a plan view of the operating element, wherein different locations for the pressure-sensitive or torque-sensitive bearing points of the operating element are indicated.
- Fig. 1 shows a control unit 10 for a vehicle component, such as a climate control unit.
- the operating unit 10 has a housing 12 of the operating unit 10 with a front panel or front side 14 of the housing 12.
- a display 16 is located on the front side 14.
- an operating element 18 protruding beyond the front side 14 of the housing 12 extends on the front side 14 as a substantially rigid protruding horizontal bar with a plurality of symbol fields 20 of the operating element 18 is formed on its upper side 22.
- the operating element 18 on the front side 14 is substantially rigidly received by a bearing end receiving unit 24 arranged in the housing 12 of the operating unit 10.
- the operating element 18 on the front side 14 has an operating end 26 of the operating element 18 (namely the protruding part with the symbol fields 20 of the operating element 18) and an opposite bearing end 28 of the operating element 18, which is held in a substantially rigidly clamped manner in the bearing end receiving unit 24 , In this way, the control element 18 behaves physically on the front side 14 like a cantilevered beam.
- the bearing end 28 of the operating element 18 on its upper side 30 of the operating end 26 and on its underside 32 of the actuating end 26 each have two bearing points 34,36 of the Lagerende- receiving unit 24, each with a pressure sensor 38 to the bearings 34, 36 are provided.
- the design of the pressure sensors 38 at the bearings 34,36 is not essential to the invention.
- so-called FSR elements are suitable as pressure sensors 38 at the bearing points 34, 36.
- the bearing end 28 of the operating element 18 it is also possible for the bearing end 28 of the operating element 18 to be embedded in carbon-offset silicone elastomer material 40, the pressure sensors 38 at the bearing points 34, 36 then being configured as contact fields 42 on the sides of the bearing end 28 of the operating element 18.
- a torque acting on the bearing end 28 of the operating element 18 or an acting force can then be determined by differential pressure evaluation, which in turn indicates that the operating end 26 of the operating element 18 on the front side 14 has been manually operated.
- the pressure sensors 38 at the bearing points 34,36 may be interconnected, for example in the form of a Wheatstone bridge. Other possibilities of differential pressure measurement and detection are also conceivable.
- the two mutually orthogonal and extending in the plane of the operating element 18 on the front side directions 46,48 It is expedient to distribute the pressure sensors 38 at the bearing points 34, 36 via the bearing end 28 of the operating element 18 on the front side 14. This is shown in FIG.
- the bearing points 34,36 of the bearing end receiving unit 24 shown there may be arranged, for example, on a common side of the bearing end 28 of the operating element 18 but also on opposite sides of the bearing end 28 of the operating element 18. The same applies to the bearing points indicated at 50 alternatively.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Mechanical Control Devices (AREA)
Abstract
The operating unit for a vehicle component, such as a climate control device, an infotainment device, a navigation device, a radio or a man-machine interface (MMI) in general is provided with a housing (12) having a front side (14) and with a substantially flexurally rigid operating element (18) that terminates substantially at the front side (14) of the housing (12) and/or protrudes beyond the front side (14) of the housing (12) with a bearing end (28) arranged inside the housing (12) for mounting the operating element (18), and a free actuating end (26) on and/or in front of the front side (14) of the housing (12). In order to actuate the operating element (18), a pressure can be exerted manually onto the actuating end (26) thereof. The operating unit is further provided with a bearing end receiving unit (24), which is arranged inside the housing (12) and reaches around the bearing end (28) of the operating element (18) on two opposing sides and has at least one bearing point (34, 36) of the bearing end receiving unit (24) for each side of the bearing end (28) of the operating element (18), or for one side of the bearing end (28) of the operating element (18), at least two bearing points (34, 36) arranged at different distances away from the actuating end (26) of the operating element (18). At each bearing point of the bearing end receiving unit (24), the operating unit additionally has at least one pressure sensor (38) having a measurement signal output, and an evaluation unit (44) connected to the measurement signal outputs of the pressure sensors (38) in order to output an output signal signalling the manual actuation of the actuating end (26) of the operating element (18) on the basis of a differential pressure, which can determined by means of the pressure sensors (38) arranged at the bearing points (34, 36) of the bearing end receiving unit (24) when a pressure is exerted manually on the actuating end (26) of the operating element (18).
Description
Bedieneinheit für eine Fahrzeuqkomponente Operating unit for a vehicle component
Die Erfindung betrifft eine Bedieneinheit für eine Fahrzeugkomponente wie z. B. ein Klimasteuergerät, ein Infotainment-Gerät, ein Navigationsgerät, ein Radio oder allgemein Mensch-Maschine-Interface. The invention relates to a control unit for a vehicle component such. As a climate control unit, an infotainment device, a navigation device, a radio or generally human-machine interface.
Die verschiedensten Fahrzeugkomponenten werden über Bedieneinheiten gesteuert. Dabei weist eine Bedieneinheit im Regelfall ein Gehäuse auf, das eine beispielsweise dem Fahrgastraum zugewandte Vorderseite aufweist. Die Vorderseite kann mit den unterschiedlichsten Bedienelementen wie beispielsweise Drucktasten, Drehknöpfen, Wipptasten oder auch Schiebeschaltern versehen sein. Beispiele für solche Bedieneinheiten finden sich in EP-A-1 988 441, EP-A- 0 901 229, DE-A-101 45 842, DE-A-10 2010 026 181 und DE-T-11 2005 003 197. The most diverse vehicle components are controlled by operating units. As a rule, an operating unit has a housing which has a front side facing the passenger compartment, for example. The front can be equipped with a variety of controls such as push buttons, knobs, rocker switches or sliding switches. Examples of such operating units can be found in EP-A-1 988 441, EP-A-0 901 229, DE-A-101 45 842, DE-A-10 2010 026 181 and DE-T-11 2005 003 197.
Die zuvor genannten mechanisch bewegbaren Bedienelemente können eine unter Umständen aufwändige Kinematik erfordern, um den jeweiligen Anforderungen an die Haptik zu genügen. The aforementioned mechanically movable operating elements may require complicated kinematics in order to meet the respective requirements of the haptic.
In den letzten Jahren haben sich mehr und mehr Bedieneinheiten durchgesetzt, die feststehende bzw. im Wesentlichen feststehende Bedienelemente aufweisen, welche mitunter leistenförmig ausgebildet sind und mehrere ne- benbeinander angeordnete Bediensymbole aufweisen. Bei diesen im Wesentlichen biegesteifen Bedienelementen wird der Druck, der bei einer manuellen Betätigung auf das Betätigungsende eines Bedienelements ausgeübt wird, messtechnisch erfasst. Hierfür sind beispielsweise kapazitiv arbeitende Sensoren einsetzbar. Bei Erfassung eines Drucks kann das Bedienelement zur takti- len Bestätigung der Betätigung gegenüber dem Bediener über einen Aktuator (z. B. Vibrationsantrieb) in (Mikro-)Bewegungen versetzt werden (auch "Force Feedback" genannt).
Aufgabe der Erfindung ist es, eine Bedieneinheit für eine Fahrzeugkomponente zu schaffen, die ein im Wesentlichen biegesteifes Bedienelement aufweist dessen Betätigung durch Ausübung eines Drucks auf einfache und zuverlässige Weise detektierbar ist. In recent years, more and more control units have prevailed, which have fixed or substantially fixed control elements, which are sometimes strip-shaped and have a plurality of control symbols arranged next to one another. In these substantially rigid control elements, the pressure exerted on the actuating end of a control element during a manual actuation is detected metrologically. For this example, capacitive sensors can be used. Upon detection of a pressure, the operating element can be put into (micro) movements via an actuator (eg vibration drive) for the tactual confirmation of the actuation with respect to the operator (also called "force feedback"). The object of the invention is to provide an operating unit for a vehicle component, which has a substantially rigid operating element whose actuation can be detected by exerting a pressure in a simple and reliable manner.
Zur Lösung dieser Aufgabe wird mit der Erfindung eine Bedieneinheit für eine Fahrzeugkomponente wie z. B. ein Klimasteuergerät, ein Infotainment-Gerät, ein Navigationsgerät, ein Radio oder allgemein ein Mensch-Maschine-Interface (MMI) vorgeschlagen, wobei die Bedieneinheit versehen ist mit To solve this problem, an operating unit for a vehicle component such. As a climate control unit, an infotainment device, a navigation device, a radio or generally a human-machine interface (MMI) proposed, the control unit is provided with
einem Gehäuse, das eine Vorderseite aufweist, a housing having a front side,
einem im Wesentlichen an der Vorderseite des Gehäuses endenden und/oder über die Vorderseite des Gehäuses überstehenden, im Wesentlichen biegesteifen Bedienelement mit einem innerhalb des Gehäuses angeordneten Lagerende zur Befestigung des Bedienelements und einem freien Betätigungsende an und/oder vor der Vorderseite des Gehäuses, wobei zur Betätigung des Bedienelements auf dessen Betätigungsende manuell ein Druck ausübbar ist, a substantially rigid at the front of the housing and / or projecting beyond the front of the housing, substantially rigid control element with a disposed inside the housing bearing end for attachment of the operating element and a free operating end and / or front of the housing, wherein Actuation of the control element on the actuation end of which a pressure can be exerted manually,
einer innerhalb des Gehäuses angeordneten Lagerende-Aufnahmeeinheit, die das Lagerende des Bedienelements an zwei gegenüberliegenden Seiten umgreift und die für jede Seite des Lagerendes des Bedienelements mindestens eine Lagerstelle der Lagerende-Aufnahmeeinheit oder für eine Seite des Lagerendes des Bedienelements mindestens zwei unterschiedlich weit von dem Betätigungsende des Bedienelements angeordnete Lagerstellen aufweist, a disposed within the housing bearing end receiving unit which engages around the bearing end of the operating element on two opposite sides and for each side of the bearing end of the operating element at least one bearing point of the bearing end receiving unit or for one side of the bearing end of the operating element at least two different distances from the actuating end having bearing points arranged on the operating element,
mindestens einem einen Messsignalausgang aufweisenden Drucksensor an jeder Lagerstelle der Lagerende-Aufnahmeeinheit und at least one pressure sensor having a measuring signal output at each bearing point of the bearing end receiving unit and
einer mit den Messsignalausgängen der Drucksensoren verbundene Auswerteeinheit zur Ausgabe eines die manuelle Betätigung des Betätigungsendes des Bedienelements signalisierenden Ausgangsignals auf Basis eines Differenzdrucks, der mittels der an den Lagerstellen der Lagerende- Aufnahmeeinheit angeordneten Drucksensoren bei manueller Ausübung
eines Drucks auf das Betätigungsende des Bedienelements ermittelbar ist. an evaluation unit connected to the measurement signal outputs of the pressure sensors for outputting an output signal indicating manual actuation of the operating end of the operating element on the basis of a differential pressure, which is determined by means of the pressure sensors arranged at the bearing points of the bearing end receiving unit during manual exercise a pressure on the operating end of the control element can be determined.
Die erfindungsgemäße Bedieneinheit weist (neben gegebenenfalls anderen Bedienelementen) mindestens ein im Wesentlichen biegesteifes Bedienelement auf, das innerhalb des Gehäuses der Bedieneinheit an einem Lagerende gelagert ist und ein freies Ende aufweist, welches im Wesentlichen an der Vorderseite des Gehäuses endet bzw. mit dieser im Wesentlichen fluchtet und/oder über die Vorderseite des Gehäuses übersteht. Auf das Betätigungsende des Bedienelements wird manuell Druck ausgeübt. Bei einem Bedienelement, dessen Betätigungsende über die Vorderseite übersteht (wie beispielsweise bei einer sogenannten Balkontaste) erfolgt die Druckausübung entweder von oben oder von unten auf das Betätigungsende, das heißt durch Niederdrücken oder Hochziehen des Betätigungsendes. Wenn das Betätigungsende wie bei einem Tasten- oder Symbolfeld an der Vorderseite des Gehäuses endet, so erfolgt die Betätigung des Bedienendes durch Ausübung von Druck wie bei einer Drucktaste. In beiden zuvor genannten Fällen wird die Betätigung des Bedienelements, ohne dass sich aber das Bedienelement spürbar bewegt, detektiert, indem am Lagerende Drehmomente entstehen, die messtechnisch erfasst werden. The control unit according to the invention has (in addition to possibly other controls) at least one substantially rigid control element which is mounted within the housing of the control unit at a bearing end and has a free end which terminates substantially at the front of the housing or with this substantially is aligned and / or over the front of the housing. On the operating end of the control element is manually applied pressure. In an operating element whose operating end protrudes beyond the front (as in a so-called balcony key), the pressure is exerted either from above or from below on the operating end, that is, by pressing down or pulling up the operating end. When the operating end ends like a key or symbol field on the front of the housing, the operation of the operating end is carried out by applying pressure as a push button. In both cases mentioned above, the actuation of the operating element, but without the operating element noticeably moving, detected by the end of the bearing torques arise, which are detected metrologically.
Hierzu weist die erfindungsgemäße Bedieneinheit eine Lagerende-Aufnahmeeinheit für das Bedienelement auf, die das Bedienelement an dessen Lagerende physikalisch nach Art eines einseitig eingespannten Balkens umgreift. Zwischen den beiden aneinander gegenüberliegenden und von der Lagerende- Aufnahmeeinheit umgriffenen Seiten des Lagerendes des Bedienelements und der Lagerende- Aufnahmeeinheit befinden sich Drucksensoren, die an den Lagerstellen der Lagerende- Aufnahmeeinheit positioniert sind. Diese Lagerstellen liegen, wenn lediglich zwei Lagerstellen vorhanden sind, zweckmäßigerweise einander gegenüber, können aber auch seitlich versetzt zueinander angeordnet sein. Mit den Messsignalausgängen der Drucksensoren verbunden ist eine Auswerteeinheit zur Ausgabe eines die manuelle Betätigung des Betätigungsendes des Bedienelements signalisierenden Ausgangssignals, und zwar
auf Basis eines Differenzdrucks, der mittels der an den Lagerstellen der Lagerende-Aufnahmeeinheit angeordneten Drucksensoren bei manueller Ausübung eines Drucks auf das Betätigungsende des Bedienelements entsteht. For this purpose, the operating unit according to the invention has a bearing end receiving unit for the operating element, which surrounds the operating element at its bearing end physically in the manner of a cantilevered beam. Between the two mutually opposite and encompassed by the bearing end receiving unit sides of the bearing end of the operating element and the bearing end receiving unit are pressure sensors, which are positioned at the bearing points of the bearing end receiving unit. These bearings are, if only two bearings are present, expediently opposite each other, but can also be arranged laterally offset from each other. Connected to the measurement signal outputs of the pressure sensors is an evaluation unit for outputting a manual operation of the operating end of the control element signaling output signal, namely based on a differential pressure, which is produced by means of the arranged at the bearing points of the bearing end receiving unit pressure sensors with manual exercise of pressure on the operating end of the control.
Durch das nach Art eines physikalisch einseitig eingespannten Balkens gelagerte Bedienelement wird auf dessen Lagerende ein Moment, insbesondere ein Drehmoment aufgebracht, wenn auf das Betätigungsende des Bedienelements Druck ausgeübt wird. Durch eine Differenzdruckmessung mittels mehrerer (mindestens zweier) Drucksensoren lässt sich dieses Drehmoment als Änderung des Differenzdrucks, der mit den Drucksensoren ermittelbar ist, detektieren. Hierdurch ist eine zuverlässige Ermittlung einer Bedienelement-Betätigung gegeben. By mounted in the manner of a physically cantilevered beam control element a moment, in particular a torque is applied to the bearing end when pressure is exerted on the operating end of the operating element. By a differential pressure measurement by means of several (at least two) pressure sensors, this torque can be detected as a change in the differential pressure which can be determined with the pressure sensors. As a result, a reliable determination of a control element operation is given.
Sofern das Betätigungsende des Bedienelements lediglich ein (einziges) Symbolfeld aufweist, ist für die Detektion eine Betätigung des Bedienelements ein paar von Drucksensoren zur Differenzdruckveränderungsermittlung zwischen dem unbetätigten und dem betätigten Zustand des Bedienelements ausreichend. Dies gilt auch dann, wenn das Bedienelement durch Drücken von oben oder Drücken von unten, also durch Druckausübung in eine von zwei im Wesentlichen entgegengesetzten Richtungen betätigt werden kann, um zwei unterschiedliche Bedienfunktionen zu realisieren. If the operating end of the operating element has only one (single) symbol field, an actuation of the operating element is sufficient for the detection of a few of pressure sensors for differential pressure change detection between the unactuated and the actuated state of the control element. This also applies if the operating element can be actuated by pressing from above or pressing from below, that is to say by exerting pressure in one of two essentially opposite directions, in order to realize two different operating functions.
Wenn aber das Bedienelement an seinem Betätigungsende mehrere beispielsweise nebeneinander angeordnete Symbolfelder aufweist, so kann man durch Anordnung mindestens dreier seitlich zueinander versetzter Lagerstellen über die Auswertung der Messsignale der Drucksensoren, die an diesen Lagerstellen angeordnet sind, ermitteln, auf welches der Symbolfelder manuell Druck ausgeübt worden ist. Je nach Lage des Symbolfeldes, auf das Druck ausgeübt worden ist, sind die von den Drucksensoren erfassten Momente des Bedienelements an dessen Lagerende unterschiedlich. If, however, the operating element has a plurality of symbol fields arranged next to one another, for example, by arranging at least three laterally offset bearing locations, the evaluation of the measuring signals of the pressure sensors arranged at these bearing points can determine which of the symbol fields has been subjected to manual pressure is. Depending on the position of the symbol field to which pressure has been exerted, the torques of the operating element detected by the pressure sensors are different at the end of the bearing.
Mit dem erfindungsgemäßen Ansatz ist es also möglich, ein kinematisch im Wesentlichen unbewegliches Bedienelement auf seine manuelle Betätigung bzw. Bedienung hin zu untersuchen und zu detektieren. Dies alles erfolgt ohne
bewegliche mechanische Teile, was für Zuverlässigkeit und Langlebigkeit der Bedieneinheit von Vorteil ist. With the approach according to the invention, it is thus possible to examine and detect a kinematically essentially immobile operating element in response to its manual actuation or operation. All this happens without Movable mechanical parts, which is for reliability and longevity of the control unit of advantage.
In vorteilhafter Weiterbildung der Erfindung ist bei einer Bedieneinheit mit einem Bedienelement, das mehrere Symbolfelder aufweist, vorgesehen, dass die Lagerende-Aufnahmeeinheit mindestens vier Lagerstellen aufweist, wobei jeweils zwei Lagerstellen verschiedenen der beiden von der Lagerende- Aufnahmeeinheit umgriffenen Seiten des Lagerendes des Bedienelements gegenüberliegen. In an advantageous embodiment of the invention is in an operating unit with a control element having a plurality of symbol fields, provided that the bearing end receiving unit has at least four bearings, each two bearing points opposite to the two encompassed by the Lagerende- receiving unit sides of the bearing end of the control.
Bei der zuvor beschriebenen Ausgestaltung der Erfindung kann ferner mit Vorteil vorgesehen sein, dass die mit den Drucksensoren versehenen, einer gemeinsamen umgriffenen Seite des Lagerendes des Bedienelements gegenüberliegenden Lagerstellen der Lagerende-Aufnahmeeinheit voneinander beabstandet sind und insbesondere jeweils nahe den gegenüberliegenden Lateralendbereichen des Lagerendes des Betätigungselements angeordnet sind . In the above-described embodiment of the invention may also be advantageously provided that the provided with the pressure sensors, a common encompassed side of the bearing end of the operating element opposite bearing points of the bearing end receiving unit are spaced from each other and in particular arranged each near the opposite Lateralendbereichen the bearing end of the actuating element are .
In weiterer vorteilhafter Ausgestaltung der Erfindung kann vorgesehen sein, dass das Bedienelement im Wesentlichen als Plattenkörper ausgebildet ist, der im Wesentlichen eben oder abgewinkelt, z.B. L-förmig, ausgestaltet ist, und dass die Lagerende-Aufnahmeeinheit eine gemeinsame Aufnahmenut oder zwei getrennte Aufnahmenutabschnitte zum Umgreifen des Lagerendes des Bedienelements aufweist. In a further advantageous embodiment of the invention can be provided that the operating element is formed substantially as a plate body, which is substantially planar or angled, e.g. L-shaped, is configured, and that the bearing end receiving unit has a common receiving groove or two separate receiving groove sections for engaging around the bearing end of the operating element.
Die Aufnahmenut bzw. jeder Aufnahmenutabschnitt kann zwei gegenüberliegende Nutflanken aufweisen, wobei jede Nutflanke der Aufnahmenut eine Lagerstelle oder zwei Lagerstellen bzw. jede Nutflanke jedes Aufnahmenutabschnitts eine Lagerstelle aufweist. The receiving groove or each receiving groove section may have two opposite groove flanks, each groove flank of the receiving groove having one bearing point or two bearing points or each groove flank of each receiving groove section having a bearing point.
In weiterer vorteilhafter Ausgestaltung der Erfindung kann das Bedienelement einen an der Lagerende-Aufnahmeeinheit befestigten Trägerkörper und an seinem Betätigungsende einen Betätigungskörper zur manuellen Druckausübung auf das Bedienelement aufweisen.
Als Drucksensoren eignen sich insbesondere Druck- bzw. kraftsensitive Widerstände, die unter anderem auch unter dem Begriff Force Sensing Resistor (FSR) bekannt sind. Es existieren eine Vielzahl von Ausgestaltungen derartiger Druck- bzw. Kraftsensoren. Eine weitere Möglichkeit der Realisierung eines Drucksensors, wie er bei einer erfindungsgemäßen Bedieneinheit verwendet werden kann, besteht in der Verwendung von elektrisch leitendem Sensormaterial, dessen Leitfähigkeit bzw. Widerstand in Abhängigkeit von dem In a further advantageous embodiment of the invention, the control element may have a carrier body fastened to the bearing end receiving unit and an actuating body for manual pressure exertion on the operating element at its actuating end. Pressure sensors or force-sensitive resistors which are known, inter alia, also by the term Force Sensing Resistor (FSR) are suitable as pressure sensors. There are a variety of configurations of such pressure or force sensors. Another possibility of realizing a pressure sensor, as it can be used in a control unit according to the invention, is the use of electrically conductive sensor material whose conductivity or resistance as a function of the
Druck, der auf das Sensormaterial einwirkt, variiert. Alternativ bzw. zusätzlich kann für die Druck- bzw. Kraftermittlung auch noch der Übergangswiderstand des Sensormaterials zu einer Kontaktelektrode ausgewertet werden, der ebenfalls in Abhängigkeit von dem Druck variiert. Als Sensormaterial eignet sich insbesondere ein Elastomermaterial wie beispielsweise Silikon o. dgl., das mit elektrisch leitenden Partikeln versetzt ist oder das eine strukturierte, an der Kontaktelektrode anliegende Oberfläche aufweist. Unter Einwirkung von Druck kontaktieren untereinander mehrere bzw. wenig elektrisch leitende Partikel, was sich auf die Veränderung der Leitfähigkeit auswirkt und damit der Druck- detektion dienen kann. Die strukturierte Oberfläche weist in Abhängigkeit von dem anstehenden Druck eine größere oder kleinere Kontaktfläche zur Kontaktelektrode auf, was ebenfalls zur Drucksensierung herangezogen werden kann. Pressure acting on the sensor material varies. Alternatively or additionally, the contact resistance of the sensor material can also be evaluated for the pressure or force determination to a contact electrode, which also varies depending on the pressure. As a sensor material is particularly suitable an elastomeric material such as silicone o. The like., Which is mixed with electrically conductive particles or which has a structured, applied to the contact electrode surface. Under the influence of pressure, several or less electrically conductive particles contact one another, which has an effect on the change in the conductivity and thus can serve for pressure detection. The structured surface has a larger or smaller contact surface to the contact electrode as a function of the applied pressure, which can likewise be used for pressure sensing.
Die Erfindung wird nachfolgend anhand mehrerer Ausführungsbeispiele und unter Bezugnahme auf die Zeichnung näher erläutert. Im Einzelnen zeigen dabei : The invention will be explained in more detail with reference to several embodiments and with reference to the drawings. In detail, they show:
Fig . 1 eine perspektivische Ansicht auf die Vorderseite einer Bedieneinheit mit einem erfindungsgemäß ausgebildeten Bedienelement, Fig. 1 is a perspective view of the front of a control unit with an inventive control element,
Fig . 2 einen Schnitt entlang der Linie II-II der Fig. 1 und
Fig . 3 eine Draufsicht auf das Bedienelement, wobei unterschiedliche Orte für die drucksensitiven bzw. drehmomentsensitiven Lagerstellen des Bedienelements angedeutet sind. Fig. 2 is a section along the line II-II of Fig. 1 and Fig. 3 is a plan view of the operating element, wherein different locations for the pressure-sensitive or torque-sensitive bearing points of the operating element are indicated.
Fig . 1 zeigt eine Bedieneinheit 10 für eine Fahrzeugkomponente wie beispielsweise ein Klimasteuergerät. Die Bedieneinheit 10 weist ein Gehäuse 12 der Bedieneinheit 10 mit einer Frontblende bzw. Vorderseite 14 des Gehäuses 12 auf. In diesem Ausführungsbeispiel befindet sich an der Vorderseite 14 ein Display 16. Unterhalb des Displays 16 an der Vorderseite 14 erstreckt sich ein über die Vorderseite 14 des Gehäuses 12 vorstehendes Bedienelement 18 an der Vorderseite 14 das als im Wesentlichen starrer vorstehender horizontaler Balken mit mehreren Symbolfeldern 20 des Bedienelements 18 auf seiner Oberseite 22 ausgebildet ist. Das Bedienelement 18 an der Vorderseite 14 ist im Wesentlichen starr von einer in dem Gehäuse 12 der Bedieneinheit 10 angeordneten Lagerende-Aufnahmeeinheit 24 aufgenommen. Das Bedienelement 18 an der Vorderseite 14 weist ein Betätigungsende 26 des Bedienelements 18 (nämlich den vorstehenden Teil mit den Symbolfeldern 20 des Bedienelements 18) und ein gegenüberliegendes Lagerende 28 des Bedienelements 18 auf, das im Wesentlichen starr eingespannt in der Lagerende- Aufnahmeeinheit 24 gehalten ist. Auf diese Weise verhält sich das Bedienelement 18 an der Vorderseite 14 physikalisch wie ein einseitig eingespannter Balken. Fig. 1 shows a control unit 10 for a vehicle component, such as a climate control unit. The operating unit 10 has a housing 12 of the operating unit 10 with a front panel or front side 14 of the housing 12. In this exemplary embodiment, a display 16 is located on the front side 14. Underneath the display 16 on the front side 14, an operating element 18 protruding beyond the front side 14 of the housing 12 extends on the front side 14 as a substantially rigid protruding horizontal bar with a plurality of symbol fields 20 of the operating element 18 is formed on its upper side 22. The operating element 18 on the front side 14 is substantially rigidly received by a bearing end receiving unit 24 arranged in the housing 12 of the operating unit 10. The operating element 18 on the front side 14 has an operating end 26 of the operating element 18 (namely the protruding part with the symbol fields 20 of the operating element 18) and an opposite bearing end 28 of the operating element 18, which is held in a substantially rigidly clamped manner in the bearing end receiving unit 24 , In this way, the control element 18 behaves physically on the front side 14 like a cantilevered beam.
Gemäß Fig. 2 weist das Lagerende 28 des Bedienelements 18 an seiner Oberseite 30 des Betätigungsendes 26 und an seiner Unterseite 32 des Betätigungsendes 26 jeweils zwei Lagerstellen 34,36 der Lagerende- Aufnahmeeinheit 24 auf, die jeweils mit einem Drucksensor 38 an den Lagerstellen 34,36 versehen sind. Die Ausgestaltung der Drucksensoren 38 an den Lagerstellen 34,36 ist für die Erfindung nicht wesentlich. Als Drucksensoren 38 an den Lagerstellen 34,36 eignen sich beispielsweise sogenannte FSR- Elemente. Es ist aber auch möglich, dass das Lagerende 28 des Bedienelements 18 in mit Kohlenstoff versetztes Silikon-Elastomermaterial 40 eingelassen ist, wobei die Drucksensoren 38 an den Lagerstellen 34,36 dann als Kontaktfelder 42 auf den Seiten des Lagerendes 28 des Bedienelements 18 ausge-
bildet sind, deren Übergangswiderstände zu dem Silikon-Elastomermaterial 40 in Abhängigkeit von dem an den Kontaktfeldern 42 jeweils wirkenden Druck variiert. Über eine bei 44 angedeutete Auswerteeinheit, die mit den Drucksensoren 38 an den Lagerstellen 34,36 bzw. den Kontaktfeldern 42 verbunden ist, lässt sich dann durch Differenzdruckauswertung ein auf das Lagerende 28 des Bedienelements 18 wirkendes Moment bzw. eine wirkende Kraft ermitteln, was wiederum anzeigt, dass das Betätigungsende 26 des Bedienelements 18 an der Vorderseite 14 manuell betätigt worden ist. Die Drucksensoren 38 an den Lagerstellen 34,36 können beispielsweise in Form einer Wheatstonschen Brücke miteinander verschaltet sein. Andere Möglichkeiten der Differenzdruckmessung und -ermittlung sind ebenfalls denkbar. 2, the bearing end 28 of the operating element 18 on its upper side 30 of the operating end 26 and on its underside 32 of the actuating end 26 each have two bearing points 34,36 of the Lagerende- receiving unit 24, each with a pressure sensor 38 to the bearings 34, 36 are provided. The design of the pressure sensors 38 at the bearings 34,36 is not essential to the invention. For example, so-called FSR elements are suitable as pressure sensors 38 at the bearing points 34, 36. However, it is also possible for the bearing end 28 of the operating element 18 to be embedded in carbon-offset silicone elastomer material 40, the pressure sensors 38 at the bearing points 34, 36 then being configured as contact fields 42 on the sides of the bearing end 28 of the operating element 18. are formed, whose contact resistance to the silicone elastomeric material 40 varies depending on the pressure applied to the contact fields 42 respectively. By means of an evaluation unit indicated at 44, which is connected to the pressure sensors 38 at the bearing points 34, 36 and the contact fields 42, a torque acting on the bearing end 28 of the operating element 18 or an acting force can then be determined by differential pressure evaluation, which in turn indicates that the operating end 26 of the operating element 18 on the front side 14 has been manually operated. The pressure sensors 38 at the bearing points 34,36 may be interconnected, for example in the form of a Wheatstone bridge. Other possibilities of differential pressure measurement and detection are also conceivable.
Zur Detektion von Kipp- und Drehmomenten, die bei Betätigung des Bedienelements 18 an der Vorderseite 14 in Abhängigkeit von dem Symbolfeld 20 des Bedienelements 18 die beiden orthogonal zueinander verlaufenden und sich in der Ebene des Bedienelements 18 an der Vorderseite 14 erstreckenden Richtungen 46,48 wirken, ist es zweckmäßig, die Drucksensoren 38 an den Lagerstellen 34,36 über das Lagerende 28 des Bedienelements 18 an der Vorderseite 14 zu verteilen. Dies ist in Fig. 3 gezeigt. Die dort dargestellten Lagerstellen 34,36 der Lagerende-Aufnahmeeinheit 24 können beispielsweise auf einer gemeinsamen Seite des Lagerendes 28 des Bedienelements 18 angeordnet sein aber auch auf gegenüberliegenden Seiten des Lagerendes 28 des Bedienelements 18. Selbiges gilt für die bei 50 alternativ angedeuteten Lagerstellen. Durch die räumliche Verteilung können Drehmomente, die bei Betätigung des Bedienelements 18 an der Vorderseite 14 auf dieses wirken, und zuverlässig in mehreren Dimensionen erfasst werden, sodass man anhand der sich an den einzeln Lagerstellen 50 einstellenden Drücke errechnen kann, auf welches der Symbolfelder 20 des Bedienelements 18 Druck ausgeübt und damit welches Symbolfeld 20 des Bedienelements 18 betätigt worden ist.
BEZUGSZEICHENLISTE Bedieneinheit For detecting tilting and torques, which act on actuation of the operating element 18 on the front side 14 as a function of the symbol field 20 of the operating element 18, the two mutually orthogonal and extending in the plane of the operating element 18 on the front side directions 46,48 It is expedient to distribute the pressure sensors 38 at the bearing points 34, 36 via the bearing end 28 of the operating element 18 on the front side 14. This is shown in FIG. The bearing points 34,36 of the bearing end receiving unit 24 shown there may be arranged, for example, on a common side of the bearing end 28 of the operating element 18 but also on opposite sides of the bearing end 28 of the operating element 18. The same applies to the bearing points indicated at 50 alternatively. Due to the spatial distribution torques that act upon actuation of the operating element 18 on the front side 14 on this, and reliably detected in several dimensions, so that it can be calculated based on the individual 50 adjusting pressures on which the symbol fields 20 of Operating element 18 exerted pressure and thus which symbol field 20 of the operating element 18 has been actuated. REFERENCE LIST Operating unit
Gehäuse der Bedieneinheit Housing of the operating unit
Vorderseite des Gehäuses Front of the case
Display an der Vorderseite Display on the front
Bedienelement an der Vorderseite Control element on the front
Symbolfeld des Bedienelements Icon field of the control element
Oberseite top
Lagerende-Aufnahmeeinheit Bearing end-receiving unit
Betätigungsende des Bedienelements Operating end of the control
Lagerende des Bedienelements Bearing end of the operating element
Oberseite des Betätigungsendes Top of the operating end
Unterseite des Betätigungsendes Bottom of the operating end
Lagerstellen der Lagerende-Aufnahmeeinheit Bearing points of the bearing end receiving unit
Lagerstellen der Lagerende-Aufnahmeeinheit Bearing points of the bearing end receiving unit
Drucksensoren an den Lagerstellen Pressure sensors at the bearings
Silikon-Elastomermaterial Silicone elastomer material
Kontaktfelder Contact fields
Auswerteeinheit evaluation
erste Richtung, in der sich das Bedienelement erstreckt zweite Richtung, in der sich das Bedienelement erstreckt Lagerstellen
first direction in which the operating element extends the second direction in which the operating element extends bearing points
Claims
1. Bedieneinheit für eine Fahrzeugkomponente wie z. B. ein Klimasteuergerät, ein Infotainment-Gerät, ein Navigationsgerät, ein Radio oder allgemein ein Mensch-Maschine-Interface (MMI), mit 1. Operating unit for a vehicle component such. As a climate control unit, an infotainment device, a navigation device, a radio or generally a human-machine interface (MMI), with
einem Gehäuse (12), das eine Vorderseite (14) aufweist, a housing (12) having a front side (14),
einem im Wesentlichen an der Vorderseite (14) des Gehäuses (12) endenden und/oder über die Vorderseite (14) des Gehäuses (12) überstehenden, im Wesentlichen biegesteifen Bedienelement (18) mit einem innerhalb des Gehäuses (12) angeordneten Lagerende (28) zur Befestigung des Bedienelements (18) und einem freien Betätigungsende (26) an und/oder vor der Vorderseite (18) des Gehäuses (12), wobei zur Betätigung des Bedienelements (18) auf dessen Betätigungsende (26) manuell ein Druck ausübbar ist, a substantially rigid control element (18), which ends essentially at the front side (14) of the housing (12) and / or projects beyond the front side (14) of the housing (12), having a bearing end (28) arranged within the housing (12) ) for attaching the operating element (18) and a free operating end (26) and / or in front of the front side (18) of the housing (12), wherein for actuating the operating element (18) on the actuating end (26) manually a pressure is exercised .
einer innerhalb des Gehäuses (12) angeordneten Lagerende- Aufnahmeeinheit (24), die das Lagerende (28) des Bedienelements (18) an zwei gegenüberliegenden Seiten umgreift und die für jede Seite des Lagerendes (28) des Bedienelements (18) mindestens eine Lagerstelle (34,36) der Lagerende-Aufnahmeeinheit (24) oder für eine Seite des Lagerendes (28) des Bedienelements (18) mindestens zwei unterschiedlich weit von dem Betätigungsende (26) des Bedienelements (18) angeordnete Lagerstellen (34,36) aufweist, a bearing end receiving unit (24) arranged within the housing (12), which engages around the bearing end (28) of the operating element (18) on two opposite sides and which for each side of the bearing end (28) of the operating element (18) at least one bearing point ( 34,36) of the bearing end receiving unit (24) or for one side of the bearing end (28) of the operating element (18) at least two differently far from the actuating end (26) of the operating element (18) arranged bearing points (34,36),
mindestens einem einen Messsignalausgang aufweisenden Drucksensor (38) an jeder Lagerstelle der Lagerende-Aufnahmeeinheit (24) und at least one pressure sensor (38) having a measuring signal output at each bearing point of the bearing end receiving unit (24) and
einer mit den Messsignalausgängen der Drucksensoren (38) verbundene Auswerteeinheit (44) zur Ausgabe eines die manuelle Betätigung des Betätigungsendes (26) des Bedienelements (18) signalisierenden Ausgangsignals auf Basis eines Differenzdrucks, der mittels der an den Lagerstellen (34,36) der Lagerende-Aufnahmeeinheit (24) angeordneten Drucksensoren (38) bei manueller Ausübung eines Drucks auf das Betätigungsende (26) des Bedienelements (18) ermittelbar ist. an evaluation unit (44) connected to the measuring signal outputs of the pressure sensors (38) for outputting an output signal indicating manual actuation of the operating end (26) of the operating element (18) on the basis of a differential pressure generated by the bearing points (34, 36) at the end of the bearing Receiving unit (24) arranged pressure sensors (38) when manually exerting a pressure on the actuating end (26) of the operating element (18) can be determined.
2. Bedieneinheit nach Anspruch 1, dadurch gekennzeichnet, dass die Lagerende-Aufnahmeeinheit (24) mindestens vier Lagerstellen (34,36) aufweist, wobei jeweils zwei Lagerstellen (34,36) auf verschiedenen der beiden von der Lagerende-Aufnahmeeinheit (24) umgriffenen Seiten des Lagerendes (28) des Bedienelements (18) gegenüberliegend angeordnet sind. 2. Operating unit according to claim 1, characterized in that the bearing end receiving unit (24) has at least four bearing points (34,36), wherein in each case two bearing points (34,36) embraced on different of the two of the bearing end receiving unit (24) Side of the bearing end (28) of the operating element (18) are arranged opposite one another.
3. Bedieneinheit nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Bedienelement (18) an seinem Betätigungsende (26) mindestens ein Symbolfeld (20) aufweist. 3. Operating unit according to claim 1 or 2, characterized in that the operating element (18) at its actuating end (26) has at least one symbol field (20).
4. Bedieneinheit nach Anspruch 2 und 3, dadurch gekennzeichnet, dass das Bedienelement (18) an seinem Betätigungsende (26) mehrere Symbolfelder (20) aufweist, die nebeneinander angeordnet sind, und dass die mit den Drucksensoren (38) an den Lagerstellen (34,36) versehenen, einer gemeinsamen umgriffenen Seite des Lagerendes (28) des Bedienelements (18), gegenüberliegenden Lagerstellen (34,36) der Lagerende- Aufnahmeeinheit (24) voneinander beabstandet sind und insbesondere jeweils nahe den gegenüberliegenden Lateralendbereichen des Lagerendes (28) des Bedienelements (18) angeordnet sind. 4. Operating unit according to claim 2 and 3, characterized in that the operating element (18) at its actuating end (26) a plurality of symbol fields (20) which are arranged side by side, and that with the pressure sensors (38) at the bearing points (34 , 36), a common encompassed side of the bearing end (28) of the operating element (18), opposite bearing points (34,36) of the bearing end receiving unit (24) are spaced from each other and in particular each near the opposite Lateralendbereichen the bearing end (28) of the Operating element (18) are arranged.
5. Bedieneinheit nach Anspruch 4, dadurch gekennzeichnet, dass das Bedienelement (18) im Wesentlichen als Plattenkörper ausgebildet ist, der im Wesentlichen eben oder abgewinkelt, z. B. L-förmig, ausgestaltet ist, und dass die Lagerende-Aufnahmeeinheit (24) eine gemeinsame Aufnahmenut oder zwei getrennte Aufnahmenutabschnitte zum Umgreifen des Lagerendes (28) des Bedienelements (18) aufweist. 5. Operating unit according to claim 4, characterized in that the operating element (18) is designed substantially as a plate body, which is substantially flat or angled, z. B. L-shaped, is configured, and that the bearing end receiving unit (24) has a common receiving groove or two separate receiving groove sections for engaging around the bearing end (28) of the operating element (18).
6. Bedieneinheit nach Anspruch 5, dadurch gekennzeichnet, dass die Aufnahmenut bzw. jeder Aufnahmenutabschnitt zwei gegenüberliegende Nutflanken aufweist und dass jede Nutflanke der Aufnahmenut eine La- gerstelle (34,36) oder zwei Lagerstellen (34,36) bzw. jede Nutflanke jedes Aufnahmenutabschnitts eine Lagerstelle (34,36) aufweist. 6. Operating unit according to claim 5, characterized in that the receiving groove or each receiving groove portion has two opposite groove flanks and that each groove flank of the receiving groove is a La gerstelle (34,36) or two bearing points (34,36) or each groove flank of each receiving groove portion has a bearing point (34,36).
7. Bedieneinheit nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Bedienelement (18) einen an der Lagerende- Aufnahmeeinheit (24) befestigten Trägerkörper und an seinem Betätigungsende (26) einen Betätigungskörper zur manuellen Druckausübung auf das Bedienelement (18) aufweist. 7. Operating unit according to one of claims 1 to 6, characterized in that the operating element (18) has a on the Lagerende- receiving unit (24) fixed to the carrier body and at its actuating end (26) an actuating body for manual pressure application to the operating element (18) ,
8. Bedieneinheit nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Drucksensoren (38) an den Lagerstellen (34,36) als druck- bzw. kraftsensitive Widerstände ausgebildet sind. 8. Operating unit according to one of claims 1 to 7, characterized in that the pressure sensors (38) at the bearing points (34,36) are designed as pressure or force-sensitive resistors.
9. Bedieneinheit nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass jeder Drucksensor (38) elektrisch leitendes Sensormaterial aufweist, dessen Leitfähigkeit oder dessen Übergangswiderstand zu einer Kontaktelektrode, an der das Sensormaterial anliegt, in Abhängigkeit von dem Druck, dem das Sensormaterial ausgesetzt ist, variiert. 9. Operating unit according to one of claims 1 to 7, characterized in that each pressure sensor (38) comprises electrically conductive sensor material whose conductivity or its contact resistance to a contact electrode, against which the sensor material, depending on the pressure, exposed to the sensor material is, varies.
10. Bedieneinheit nach Anspruch 9, dadurch gekennzeichnet, dass das Sensormaterial ein mit elektrisch leitenden Partikeln versehenes Silikon- o. dgl . Elastomermaterial und/oder eine strukturierte, an der Kontaktelektrode anliegende Oberfläche aufweist. 10. Operating unit according to claim 9, characterized in that the sensor material provided with an electrically conductive particles silicone o. The like. Elastomeric material and / or has a structured, applied to the contact electrode surface.
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DE102012205897.4 | 2012-04-11 | ||
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WO2016012243A1 (en) * | 2014-07-22 | 2016-01-28 | Behr-Hella Thermocontrol Gmbh | Control unit for an electrical apparatus, in particular for a vehicle component |
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