DE102018000863B3 - Steering wheel with rotary pushbutton - Google Patents

Steering wheel with rotary pushbutton

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Publication number
DE102018000863B3
DE102018000863B3 DE102018000863.1A DE102018000863A DE102018000863B3 DE 102018000863 B3 DE102018000863 B3 DE 102018000863B3 DE 102018000863 A DE102018000863 A DE 102018000863A DE 102018000863 B3 DE102018000863 B3 DE 102018000863B3
Authority
DE
Germany
Prior art keywords
steering wheel
support structure
characterized
wheel spoke
spoke
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.)
Active
Application number
DE102018000863.1A
Other languages
German (de)
Inventor
Marten Wittorf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PSA Automobiles SA
Original Assignee
PSA Automobiles SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by PSA Automobiles SA filed Critical PSA Automobiles SA
Priority to DE102018000863.1A priority Critical patent/DE102018000863B3/en
Application granted granted Critical
Publication of DE102018000863B3 publication Critical patent/DE102018000863B3/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D1/00Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/04Hand wheels
    • B62D1/046Adaptations on rotatable parts of the steering wheel for accommodation of switches
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D1/00Steering controls, i.e. means for initiating a change of direction of the vehicle
    • B62D1/02Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
    • B62D1/04Hand wheels
    • B62D1/08Spokes, e.g. resilient

Abstract

A steering wheel (10) for a motor vehicle (1), comprising at least one steering wheel spoke (11) equipped with a rotary pushbutton (12), the rotary pushbutton (12) having a displaceable element (13) and a support structure (14) the support structure (14) is concave-shaped on a side (14a) facing the steering wheel spoke (11), is provided with a pressure sensor (15) and rests on an outer surface (11a) of the steering wheel spoke (11), and wherein the displaceable element (11) 13) in the form of a closed band (13a) which is guided displaceably around a side (14b) of the support structure (14) which faces away from the steering wheel spoke (11) and is equipped with a capacitive sensor (16) for position detection.

Description

  • The invention relates to a steering wheel with a so-called rotary push-button switch and a motor vehicle which is equipped with such a steering wheel.
  • In the field of motor vehicles, the number of selectable functions that serve the comfort, safety and / or monitoring of vehicle conditions is steadily increasing. Along with the increase in these selectable functions, the number of necessary switches or buttons with which a user of the motor vehicle can select the functions also increases. Since there is only limited space for such switches in the interior of the motor vehicle and in particular in the area of the steering wheel of the motor vehicle, it has in the recent past, inter alia, also considered steering wheel spokes for the arrangement of such switches in the eye.
  • Such mounted on a steering wheel spoke switch are often designed as so-called "rotary pushbutton". These are pressure-sensitive wheel or spherical switching means, which can trigger a function due to their coupling with at least two different sensors both by rotation and by depression.
  • However, such trained rotary push-button switch have the disadvantage that they must be designed with a comparatively small depth in order not to take up too much space inside the steering wheel spoke. This in turn causes the surface of the ball or wheel to be small, resulting in an unpleasant operating sensation for the user, especially if he has large or wide phalanges.
  • The DE 10 2010 049 082 A1 shows a vehicle steering wheel, which has a steering wheel spoke with a rotary push switch and a capacitive sensor for position detection. The rotary pushbutton has a scroll wheel and a support structure with a pressure sensor. The rotary pushbutton switch has a displaceable element and a support structure which rests on an outer surface of the steering wheel spoke,
  • The invention has for its object to provide a steering wheel for a motor vehicle with a rotary push switch, which has only a small penetration depth into the steering wheel spoke and at the same time is easy to use for a user. It is another object of the invention to provide a motor vehicle with such a steering wheel.
  • This object is achieved by a steering wheel according to claim 1 and a motor vehicle according to claim 11. Advantageous embodiments are specified in the dependent claims.
  • A steering wheel for a motor vehicle according to the invention has at least one steering wheel spoke, which is equipped with a rotary pushbutton switch, wherein the rotary pushbutton switch has a displaceable element and a support structure, wherein the support structure is concave on a side facing the steering wheel spoke, is provided with a pressure sensor is and rests on an outer surface of the steering wheel spoke and wherein the displaceable element is in the form of a closed band, which is guided displaceably about a side facing away from the steering wheel spoke side of the support structure and equipped with a capacitive sensor for position detection.
  • A steering wheel according to this embodiment of the invention thus has at least two sensors, namely a pressure sensor, which is triggered by pressure on the displaceable element, which is elastic and passes the pressure to the pressure sensor provided with the support structure, and a capacitive sensor, which is triggered by moving the movable element. Due to the design of the slidable element as a closed band, i. As an endless belt, the rotary push switch can be made with a small depth in the direction of the interior of the steering wheel spoke, at the same time a relatively weak curvature can be formed, which would be achieved in the prior art only with wheels / balls of a large diameter. In this way, the ease of use for the user can be improved.
  • Due to the concave curvature of the steering wheel spoke side facing the support structure, this may at least partially surround the outer surface of the steering wheel spoke. Thus, the rotary pushbutton can be designed with a radius of curvature which substantially corresponds to a radius of curvature of the steering wheel spoke. As a result, the rotary pushbutton can be optimally adapted to the steering wheel spoke.
  • According to one embodiment of the steering wheel, the displaceable element is guided over deflecting rollers about the side of the support structure facing away from the steering wheel spoke. In this way, a good guidance of the endless belt is achieved around the side facing away from the steering wheel spoke side of the support structure. The displacement of the endless belt along said side of the support structure can thus be carried out at least as smoothly as is the case with a conventional rotary switch in the form of a ball or a wheel.
  • According to an alternative embodiment of the steering wheel, the displaceable element may be guided over a sliding surface about the side facing away from the steering wheel spoke side of the support structure. In this context, "sliding surface" is to be understood as an area on the side of the support structure facing away from the steering wheel spoke with a low coefficient of friction μ with respect to the displaceable element. For example, "low" here can be a sliding friction coefficient μ of less than 0.2, in particular less than 0.1. In this embodiment, a smooth operation of the rotary pushbutton is ensured.
  • As regards the geometry of the support structure, this may for example be made in one piece, wherein the displaceable element is guided over an arm of the support structure, which is formed on a base of the support structure so that it, seen in cross section, a U-shape forms. The one-piece design of the support structure allows easy production of the rotary push switch according to an embodiment of the steering wheel and a simple assembly of the rotary pushbutton during assembly of the steering wheel.
  • The closed band forming the displaceable element may be at least partially received in a recess of the arm. In this way, the band is held on the arm fitting. Supporting in relation to the holding of the closed band may act a bias, with which the closed band is applied to the arm of the support structure. It should be noted in this connection that the closed band is to be formed with such an elasticity that a displacement with a finger without effort is possible, but at the same time when pressure is exerted with the finger perpendicular or substantially perpendicular to a surface of the band this extends so far that the pressure sensor can be actuated or triggered.
  • According to an alternative to the aforementioned embodiment, the support structure may be formed in several parts, which means that it comprises at least two parts which are releasably or non-detachably connected together to form a cavity in which a part of the closed band is received. In this alternative embodiment, the closed band is inserted during assembly of the rotary pushbutton in the cavity so that always a portion of the band is guided in the interior of the cavity and another portion outside the cavity on the side facing away from the steering wheel spoke side of the support structure. The cavity can for example be designed so that inlet and outlet openings, which are necessary for the passage of the closed band, are made as small as possible, so that contamination of the cavity is kept low by penetrating dust or dirt particles and impaired function of the rotary pushbutton be largely avoided by this.
  • In this embodiment, a first of the parts of the support structure may be cup-shaped, wherein a second part may be provided with lateral tongues, which at least partially surround the first part. The lateral tongues act in this variation, for example, as lateral walls for limiting the cavity to the outside. When mounting the rotary pushbutton switch of this embodiment, the closed band can be inserted with a portion between the first and the second part of the support structure and then the second merged with the first part, so that the lateral tongues of the second part, the first part laterally at least in partial areas spread. The closed band is thus securely received and held in the cavity.
    In order to achieve a particularly secure hold of the closed band within the support structure by means of a lock, it has turned out to be advantageous if the first part and the second part are mechanically locked together. For the latching, for example, the above-mentioned lateral tongues can be used. In this case, a strength of the locking should be chosen so that it can be solved by hand, but not by a random light touch in striping the support structure by a hand or arm of a driver of the motor vehicle.
  • According to an advantageous development, the capacitive sensor and the pressure sensor are electrically coupled to a display unit of the motor vehicle. In this way, a set by the driver of the motor vehicle by pressing the rotary push button selection, for example, navigation settings, status indicators of the motor vehicle or other information, displayed on the display unit and thus made visible to the driver of the motor vehicle. Thus, the Drehdrückschalter the steering wheel Element that allows both the selection of a function from a given number of possible functions as well as a triggering or activation of this function. According to an advantageous development, the capacitive sensor and the pressure sensor are electrically coupled to a display unit of the motor vehicle. In this way, a set by the driver of the motor vehicle by pressing the rotary push button selection, for example, navigation settings, status indicators of the motor vehicle or other information, displayed on the display unit and thus made visible to the driver of the motor vehicle. Thus, the Drehdrückschalter the steering wheel is an element that allows both the selection of a function from a given number of possible functions as well as a triggering or activation of this function. For example, a menu item on the display unit can be controlled via the capacitive sensor and the menu item can be selected via the pressure sensor. In this way, it is possible to select the display shown on the display unit by a single control element, namely the rotary push button. The display unit can thus serve to display a variety of information, which are shown selectively on the display unit depending on the operation of the rotary pushbutton.
  • The invention also relates according to one embodiment to a motor vehicle having a steering wheel according to one or more of the preceding embodiments. In particular, the motor vehicle may be a car or a truck.
  • Embodiments of the invention will now be explained in more detail with reference to the drawings. In the drawings show:
    • 1 a perspective view of a steering wheel with a Drehdrückschalter;
    • 2a a cross section through a steering wheel spoke with a rotary push switch according to the prior art;
    • 2 B a cross section through a steering wheel spoke with a rotary push switch according to embodiments of the invention;
    • 3a to 3c a Drehdrückschalter a steering wheel according to a first embodiment of the invention in Querschnit and in section along a section line A - A ;
    • 4a to 4c a Drehdrückschalter a steering wheel according to a second embodiment of the invention in cross section and in section along the line A - A ;
    • 5 a schematic representation of a display unit to which the rotary pushbutton can be coupled; and
    • 6 a schematic representation of a motor vehicle with a steering wheel according to an embodiment of the invention.
  • In 1 is a perspective view of a steering wheel 10 with a steering wheel rim 10a and an airbag pot 10b in the center of the steering wheel rim 10a shown. Between the steering wheel rim 10a and the Airbagtopf 10b several steering wheel spokes extend from those here one under the reference numeral 11 is shown. The steering wheel spoke 11 has an outer surface 11a on, from which a rotary pushbutton 12 . 12 ' protrudes from.
  • As can be seen, the rotary pushbutton can 12 . 12 ' from a finger 100 , such as a thumb, of a driver (not shown) being actuated while driving by the finger 100 the rotary pushbutton switch 12 . 12 ' in the direction of the curved arrow rotates or the rotary push switch in the direction of the steering wheel spoke 11 depresses.
  • With now reference to 2a , which is a cross-sectional view along the line A - A from 1 shows, an embodiment of a rotary push switch 12 ' explained in the prior art. As can be seen, the rotary pushbutton is 12 ' formed as a ball, which almost an entire cross section of the steering wheel spoke 11 occupies. This reduces the for a supporting structure of the steering wheel spoke 11 available space. To reduce this space requirement, according to the prior art, the Drehdrückschalter 12 ' forming ball formed with a small diameter.
  • In 2 B In contrast, is schematically a rotary push switch 12 shown as he according to an embodiment of a steering wheel 11 the invention can be used. Unlike the in 2a shown rotary pushbutton 12 ' has the rotary pushbutton switch 12 a movable element 13 on, as a closed band 13a is trained. When using the rotary pushbutton 12 This embodiment touches the finger 100 (not shown in this figure) the driver's closed band 13 , which is mounted circumferentially displaceable, and moves the closed band 13 in the direction of rotation.
  • Like this from the 2 B it can be seen, the rotary pushbutton takes 12 significantly less space inside the steering wheel spoke 11 one as the rotary pushbutton switch 12 ' of the prior art, which, as can be seen, has a similar radius of curvature as the rotary push switch 12 , In other words, remains at the rotary push switch 12 which is part of an embodiment of a steering wheel 10 According to the invention, a large part of the cross-section, ie the section along the line A - A from 1 , free for other structural elements such as cable guides, etc., wherein a driver of the motor vehicle 1 that with a finger 100 (not shown in the figure) the rotary push switch 12 touched, the impression is given to touch a ball with a radius which is approximately a radius of the cross section of the steering wheel spoke 11 equivalent.
  • In the 3a to 3c are partial views of a rotary pushbutton 12 according to a first embodiment of the steering wheel 10 shown in more detail. 3a shows a cross-sectional view through a rotary push switch 12 (here without the steering wheel spoke 11 shown). Of the Rotary push switch 12 is a movable element 13 which is here as a closed band 13a is formed, and a support structure 14 built up. The support structure 14 has one of the steering wheel spoke 11 (not shown in the figure) facing side 14a and one of the steering wheel spokes 11 opposite side 14b on. To those of the steering wheel spoke 11 opposite side 14b the support structure 14 is the closed band 13a guided smoothly. By "slidably guided" is in the context of the invention, such a storage of the closed band 13a meant, which allows a friction resistance of the closed band 13a in relation to the steering wheel spoke 11 opposite side 14b the support structure 14 overcome by hand and the closed band 13a to move in the direction of rotation.
  • Such storage can for example via two or more pulleys 17 done as in 3a is shown. The pulleys 17 For example, they can be embodied as rotational angle sensors which have a momentary position of the closed band 13a capture and convert into a corresponding signal. According to an alternative or additional embodiment, the closed band can also have a sliding surface 14c at the steering wheel spoke 11 opposite side 14b the support structure are guided. Under "sliding surface" 14c is in this context an area on the steering wheel spoke 11 opposite side 14b the support structure 14 with a low coefficient of friction μ with respect to the displaceable element 13 to understand. In this case, the displaceability of the movable element 13 , ie the closed band 13a , through the sliding surface 14c guaranteed. The detection of the instantaneous position of the closed band 13a can in this case, for example, by a capacitive sensor 16 be assured of its possible position in 3a outlined.
  • In the 3b and 3c is a section through the plane B - B from 3a in different phases of insertion or assembly of the closed band 13a on the support structure 14 shown. In the embodiment shown, the support structure 14 executed in one piece. The support structure 14 includes an arm 14d which is at a base 14e the support structure 14 is formed so that it forms with this, seen in cross-section, a U-shape.
  • When assembling the closed band 13a on the support structure 14 becomes the closed band 13a initially from an open side of the U which the arm 14d with the base 14e forms, so between the arm 14d and the base 14e that led the closed band 13a the arm 14d encloses, as it is in 3b is shown. Then that part of the closed band 13a , which outside on the arm 14d runs, in a depression 14f inserted, which on the steering wheel spoke 11 opposite side 14b of the arm 14d is trained. The condition of the completely inserted closed band 13a is in 3b shown. As you can see, this is on the steering wheel spoke 11 facing side 14a the support structure 14 a pressure sensor 15 attached, which is a depression of the rotary pushbutton 12 towards the steering wheel spoke 11 responds.
  • With reference to the 4a to 4c Now is another embodiment of a rotary pushbutton 12 a steering wheel 10 described according to the invention. As can be seen, in this embodiment is the cross-sectional view 4a of the rotary pushbutton 12 identical to that of 3a , Thus, in relation to the 3a made description also for the embodiment of 4 , The difference from the first embodiment is in the sectional views of 4b and 4c to recognize.
  • The support structure 14 in this embodiment is in two parts, ie that it is a first part 14g and a second part 14h which is releasable or non-releasable to form a cavity 14i are connected. The insertion of the closed band 13a can take place here as follows: First, as in 4b shown, the closed band in the second part 14h inserted, so that it encloses this and can circulate around this. Subsequently, the second part 14h so about the first part 14g pushed that a cavity 14i arises. For this purpose, in the illustrated embodiment, lateral tongues 14j on the second part 14h molded or integrally formed with this. The lateral tongues 14j overlap when pushing together the first and the second part 14g . 14h the first part 14g on the same side walls, so that a positive and / or non-positive locking arises. According to an alternative not shown here, of course, the first part 14g with the lateral tongues 14j be provided, which in the assembled state side walls of the second part 14h embrace. According to other alternatives, which are also not shown here, can also be another type of mechanical locking of the first and second part 14g . 14h be provided the support structure.
  • With now reference to 5 is a display unit 20 to recognize which with a Drehdrückschalter 12 a steering wheel 10 can be coupled according to one of the aforementioned embodiments. The display unit 20 may be located, for example, on an instrument panel, which in a motor vehicle 1 is integrated as it is in 6 is shown. When the rotary pushbutton 12 from an operator, for example a driver of the motor vehicle 1 , is operated, for example, by "turning" the rotary pushbutton 12 , so by moving the closed band 13a in its direction of rotation between the display of individual menu items 21 change. Is a specific menu item 21 controlled in this way, he can by pressing the rotary pushbutton again this menu item 21 choose.
  • LIST OF REFERENCE NUMBERS
  • 1
    motor vehicle
    10
    steering wheel
    10a
    steering wheel rim
    10b
    steering wheel hollow
    11
    steering wheel spoke
    11a
    outer surface
    12
    Rotary push switch
    13
    sliding element
    13a
    closed band
    14
    support structure
    14a
    the steering wheel spoke side facing
    14b
    the steering wheel spoke opposite side
    14c
    sliding surface
    14d
    poor
    14e
    Base
    14f
    deepening
    14g
    first part
    14fh
    second part
    14i
    cavity
    14j
    lateral tongue
    15
    pressure sensor
    16
    capacitive sensor
    17
    idler pulley
    20
    display unit
    21
    menu item
    100
    finger

Claims (11)

  1. A steering wheel (10) for a motor vehicle (1), comprising at least one steering wheel spoke (11) equipped with a rotary pushbutton (12), the rotary pushbutton (12) having a displaceable element (13) and a support structure (14) the support structure (14) is concave-shaped on a side (14a) facing the steering wheel spoke (11), is provided with a pressure sensor (15) and rests on an outer surface (11a) of the steering wheel spoke (11), and wherein the displaceable element (11) 13) in the form of a closed band (13a) which is guided displaceably around a side (14b) of the support structure (14) which faces away from the steering wheel spoke (11) and is equipped with a capacitive sensor (16) for position detection.
  2. Steering wheel (10) to Claim 1 , characterized in that the displaceable element (13) via deflection rollers (17) around the steering wheel spoke (11) facing away from the support structure (14) is guided.
  3. Steering wheel (10) to Claim 1 , characterized in that the displaceable element (13) via a sliding surface (14c) around the steering wheel spoke (11) facing away from the support structure (14) is guided.
  4. Steering wheel (10) according to one of the preceding claims, characterized in that the support structure (14) is made in one piece, wherein the displaceable element (13) via an arm (14d) of the support structure (14) is guided, which on a base (14e ) of the support structure (14) is formed so that it forms a U-shape with this, seen in cross-section.
  5. Steering wheel (10) to Claim 4 , characterized in that the closed band (13a) is at least partially received in a recess (14f) of the arm (14d).
  6. Steering wheel (10) according to one of Claims 1 to 3 , characterized in that the support structure (14) comprises at least two parts (14g, 14h) which are releasably or non-detachably connected together to form a cavity (14i) in which a part of the closed band (13a) is received.
  7. Steering wheel (10) to Claim 6 , characterized in that a first (14g) of the parts is cup-shaped, wherein a second part (14h) with lateral tongues (14j) is provided, which at least partially surround the first part (14g).
  8. Steering wheel (10) to Claim 7 , characterized in that the first part (14g) and the second part (14h) are mechanically locked together.
  9. Steering wheel (10) according to one of the preceding claims, characterized in that the capacitive sensor (16) and the pressure sensor (15) are electrically coupled to a display unit (20) of the motor vehicle (1).
  10. Steering wheel (10) to Claim 9 , characterized in that on the capacitive sensor (16) a menu item (21) on the display unit (20) is controllable and via the pressure sensor (15) of the menu item (21) is selectable.
  11. Motor vehicle (1) with a steering wheel (10) according to one of Claims 1 to 9 ,
DE102018000863.1A 2018-02-02 2018-02-02 Steering wheel with rotary pushbutton Active DE102018000863B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE102018000863.1A DE102018000863B3 (en) 2018-02-02 2018-02-02 Steering wheel with rotary pushbutton

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018000863.1A DE102018000863B3 (en) 2018-02-02 2018-02-02 Steering wheel with rotary pushbutton
PCT/EP2018/000546 WO2019149334A1 (en) 2018-02-02 2018-12-07 Steering wheel having a rotary pressure switch

Publications (1)

Publication Number Publication Date
DE102018000863B3 true DE102018000863B3 (en) 2018-12-27

Family

ID=64567880

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102018000863.1A Active DE102018000863B3 (en) 2018-02-02 2018-02-02 Steering wheel with rotary pushbutton

Country Status (2)

Country Link
DE (1) DE102018000863B3 (en)
WO (1) WO2019149334A1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010049082A1 (en) 2010-10-21 2012-04-26 Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) Steering wheel for a vehicle and vehicle

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10325123B4 (en) * 2003-06-04 2017-07-06 Volkswagen Ag Steering column lever for a motor vehicle
DE10339040A1 (en) * 2003-08-19 2005-03-10 Volkswagen Ag Operating element for selecting function states in an automobile using rotary element rotated about carrier body with switch mechanism on inside of rotary element
DE102010049087A1 (en) * 2010-10-21 2012-04-26 Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) Method for assessing driver attention
KR20170068113A (en) * 2015-12-09 2017-06-19 현대자동차주식회사 Apparatus and method for operating contents menu

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010049082A1 (en) 2010-10-21 2012-04-26 Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) Steering wheel for a vehicle and vehicle

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Publication number Publication date
WO2019149334A1 (en) 2019-08-08

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