EP3732441A1 - Drehgeber - Google Patents
DrehgeberInfo
- Publication number
- EP3732441A1 EP3732441A1 EP18830488.5A EP18830488A EP3732441A1 EP 3732441 A1 EP3732441 A1 EP 3732441A1 EP 18830488 A EP18830488 A EP 18830488A EP 3732441 A1 EP3732441 A1 EP 3732441A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- magnet
- signal generator
- stator
- rotary wheel
- 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.)
- Withdrawn
Links
- 230000003993 interaction Effects 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 description 6
- 239000000806 elastomer Substances 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/142—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- B60K35/10—
-
- B60K35/25—
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G5/00—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member
- G05G5/06—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only
- G05G5/065—Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member for holding members in one or a limited number of definite positions only using a spring-loaded ball
-
- B60K2360/126—
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/08—Controlling members for hand actuation by rotary movement, e.g. hand wheels
- G05G1/10—Details, e.g. of discs, knobs, wheels or handles
Definitions
- the invention relates to a signal generator, in particular a rotary encoder.
- Such signal transmitters are in particular designed as rotary encoders, for example in the manner of a rotary encoder, and serve to generate incremental signals.
- the signal generator can be used in a multi-function switch on the steering wheel of a motor vehicle, for example for operating the car radio, the navigation system, the telephone, the gearwheel for the transmission or the like.
- Such a signal generator has a stator and a rotatably mounted on the stator rotor. Furthermore, means for generating signals upon rotation of the rotor are provided.
- a disadvantage is the large construction of the signal generator.
- the invention has for its object to further develop the signal generator such that it is designed compact.
- the inventive in particular designed as a rotary encoder in the manner of a rotary encoder, signal generator comprises a stator and a rotatably mounted on the stator rotor. On the rotor, a magnet is arranged. A stationary with respect to the rotor Hall element is provided for signal-generating interaction with the magnet upon rotation of the rotor by a user. Further, in the stator acted upon by an elastic force and cooperating with the rotor haptic arranged such that a feel for the rotor during rotation of the rotor can be generated.
- a rotary encoder is designed compact and works very reliable.
- the haptic element may comprise a ball or consist of a ball.
- a spring element acting on the ball can be provided for generating the elastic force.
- the haptic element can in turn be arranged so that the haptic engages in a haptic profile located on the rotor.
- the user desired haptics for the manual rotation of the rotor can be generated. For example, an incremental or stepwise rotation of the rotor can thus be provided, wherein upon manual rotation of the rotor a signal is generated in each case by a specific angle of rotation.
- the Hall element can be arranged on a printed circuit board. It may be appropriate that the circuit board is formed as a flexible circuit board. As a result, the circuit board requires only a small footprint and can be easily adapted to the existing geometry of the signal generator.
- the magnet may be arranged in a receptacle on the rotor. In a compact embodiment, the magnet may be cylindrical. Conveniently, the magnet may be diametrically magnetized.
- a support for receiving and / or supporting the rotor and the stator can be provided in a simple manner. It may then offer that the circuit board is attached to a bracket in the carrier.
- the holder can be hinged to the carrier, for example by means of a film hinge, and for attachment, the holder can be latched to the carrier.
- a rotary wheel may be attached to the rotor.
- the rotary wheel may be cylindrical in shape in the manner of a roller.
- the rotary wheel can ergonomically have a corrugated surface.
- the rotary wheel can have a laterally accessible cavity in the interior.
- the stator and / or the rotor can be arranged in the interior of the rotary wheel.
- a side panel may be provided to cover the lateral access to the cavity.
- the bezel can be chrome plated.
- a housing may be provided for receiving the carrier.
- the rotary wheel can be arranged on the support and in the housing in such a way that the rotary wheel projects with a part of its circumference out of the housing for rotation.
- further control elements for example for electrical switches, can be provided in and / or on the housing in addition to the rotary wheel.
- a magnetic-wheel rotary switch is provided for the automotive motive application.
- the rotary knob uses a flexible printed circuit board (PCB) and a magnet to generate the incremental signal.
- PCB printed circuit board
- Haptic signal is a spring element used. Into the interior of the wheel, the magnet and spring element are incorporated to produce the incremental signal and the haptic feel for the user.
- the advantages achieved by the invention are in particular that the number of components that are necessary for the signal generator, are reduced.
- the signal generator for mass production as required in particular in the automotive sector, suitable in a cost-effective manner.
- the signal generator works precisely and functionally reliable.
- the signal generator is designed very compact.
- FIG. 1 shows schematically a steering wheel with an operating unit for a motor vehicle
- FIG. 2 shows a rotary encoder comprehensive operating unit of FIG. 1 in plan view
- FIG. 3 shows the rotary encoder from FIG. 2 as an individual part
- FIG. 4 shows the rotary encoder from FIG. 3 in an exploded view
- FIG. 5 shows a section through the rotary encoder in FIG. 3, FIG.
- FIG. 9 is a rotary encoder according to another embodiment, comprising a magnet and two Hall sensors in an exploded view,
- FIG. 11 is a switching control element of FIG. 1 as a cut-piece
- FIG. 12 shows a shift operating element from FIG. 1 according to a further embodiment in FIG
- FIG. 13 shows a section through the switching operating element from FIG. 12.
- a steering wheel 1 for a motor vehicle can be seen.
- the steering wheel 1 comprises a steering wheel rim 2 and steering wheel spokes 3 and a central steering wheel pot 4, in which, for example, an airbag can be arranged.
- a control unit 5, 5 ' At two of the side steering wheel spokes 3 is a control unit 5, 5 'in the manner of a multi-function switch for various devices in the vehicle, such as the car radio, for the phone, for a screen of a navigation system o. The like., Arranged.
- a plurality of switches 6 are arranged for triggering and / or switching functions of the motor vehicle or the devices to be controlled in the motor vehicle.
- the other control unit 5 ' more control switches 6' are arranged.
- the signal transmitter 7 comprises a stator 8 and a rotor 9 rotatably arranged on the stator 8.
- a magnet 10 (see FIG. 5) is arranged on the rotor 9.
- the signal generator 7 has a Hall element 11, which is arranged stationarily with respect to the rotor 9, for signal-generating interaction with the magnet 10 upon rotation of the rotor 9.
- the signal generator 7 has a in the stator. 8
- the haptic 12 includes a ball, as shown in Fig. 5 can be seen.
- a spring element 13 for example a compression spring, acts to generate the elastic force.
- the spring element 13 and the ball 12 are arranged in an elongated receptacle 23 in the stator 8.
- the haptic 12 engages in a Haptikprofil 14 located on the rotor 9, wherein the geometry of the Haptikprofils 14 according to the
- the Hall element 11 is arranged on a printed circuit board 15 according to FIG. 4.
- the circuit board 15 is presently designed as a flexible circuit board, so that the circuit board 15 can be arranged in a simple manner the given space in the signal generator 7.
- the magnet 10 is cylindrical and diametrically magnetized and arranged in a receptacle 16 on the rotor 9
- a support 17 for receiving and / or storage for the rotor 9 and the stator 8 is provided.
- the circuit board 15 is attached as shown in FIG. 3 to a bracket 18 in the carrier 17.
- the holder 18 by means of a film hinge 24 (see Fig. 6) on the carrier 17 designed hinged and means
- Locking elements 25 (see Figure 4) on the carrier 17 latched.
- a rotary wheel 19 is fastened to the rotor 9, as can be seen in more detail with reference to FIG.
- the rotary wheel 19 is cylindrical in the manner of a roller.
- the rotary knob 19 has a corrugated surface 20.
- the rotary knob 19 has a laterally accessible cavity 21 in the interior.
- the stator 8 and the rotor 9 are arranged in the cavity 21 and thus in the interior of the rotary wheel 19.
- a lateral aperture 22 is provided for covering the lateral access to the cavity 21.
- the assembly of the rotary encoder 7 is shown in more detail in Fig. 6.
- the spring element 13 and the ball 12 is inserted into the receptacle 23 on the stator 8.
- the stator 8 is inserted into the rotor 9, and so that the ball 12 in the
- Haptikprofil 14 engages. Then, the rotary knob 19 is attached to the rotor 9. Subsequently, the aperture 22 are attached to the rotary knob 19. Subsequently, the magnet 10 is inserted into the receptacle 16 on the rotor 9. Finally, the printed circuit board 15 is attached to the bracket 18 on the carrier 17 and the far completed rotary knob 19 is inserted into the carrier 17.
- a housing 26 is provided for the signal generator 8.
- the carrier 17 is completely received in the housing 26.
- the rotary wheel 19, however, projects with part of its circumference out of the housing 26 for rotation, so that the rotary knob 19 is accessible for manual operation by the operator
- a further embodiment of the rotary encoder 7 can be seen in more detail in Fig. 7.
- the rotary encoder 7 has a housing 111.
- the rotary encoder 7 comprises the rotatable in the housing 111 arranged rotary wheel 108, wherein the rotary wheel 108 protrudes with a portion of its circumference from the housing 111 for manual rotation by the operator.
- the rotary wheel 108 has two mutually opposite stub axles 112 for mounting in a respective pivot bearing 113 in the housing 111.
- the two pivot bearings 113 are located opposite one another in a carrier element 114.
- the support member 114 is fork-shaped in the manner of a cage.
- the carrier element 114 is arranged as shown in FIG. 8 in a receptacle 115 in the housing 11.
- the rotary wheel 108 is formed cylindrically in the manner of a roller.
- the rotary wheel 108 has a corrugated surface 116.
- the support member 114 is made of metal.
- the housing 111 is made of plastic.
- the carrier element 114 is pressed into the receptacle 1 IS in the housing 111.
- the support member 114 at least one hook member 117, wherein the support member 114 is pressed by means of the hook member 117 into the receptacle 115 in the housing 111.
- the hook element 117 has a toothing 118, so that the metallic toothing 118 digs into the plastic material of the housing III when the carrier element 114 is pressed in.
- a magnet 109 is provided for the rotary wheel 108 for signal-generating interaction with a Hall element 110 upon rotation of the rotary wheel 108.
- the magnet 109 is arranged in the interior of the rotary wheel 108, as shown in FIG. 8, by the magnet 109 being pushed onto an axle stub 112.
- the Hall element 110 is stationary with respect to the rotary wheel 108, on a printed circuit board, not shown, arranged in the housing 111.
- the rotary encoder 7 comprises the rotatable rotary wheel 208, a magnet 209 arranged on the rotary wheel 208, and a Hall element 210 for signal-generating interaction with the magnet 209 during rotation of the rotary wheel 208.
- the magnet 209 has at least two poles 211, 212, namely a north and a south pole, wherein the both poles 211, 212 have approximately the same size or the same extent.
- another Hall element 210 ' is the signal-generating
- the magnet 209 has a plurality of pole pairs 211, 212, that is, more than two poles 211, 212, the poles 211, 212 alternately with respect to the north and south poles and are arranged without spacing successively, as can be seen from FIG. 10.
- the magnet 209 is formed as shown in FIG. 10 substantially with a circular cross section.
- two poles 211, 212 are then spaced apart with a pole angle 213.
- eight poles 211, 212 or four pole pairs 211, 212 are provided, which are uniformly spaced apart, in such a way that the pole angles 213 are essentially the same size over the circumference of the magnet 209.
- the Hall elements 210, 210 generate upon rotation of the rotary wheel 208 by 360 degrees twice the number of signal changes with respect to the number of poles 211, 212. In the present case are so in a full rotation of the rotary wheel 208 sixteen signals or
- the rotary encoder 207 has a housing 215, as shown in Fig. 9 can be seen.
- the rotary wheel 208 is rotatably disposed in the housing 215, wherein the rotary wheel 208 protrudes with a part of its circumference from the housing 215 for manual rotation.
- the rotary wheel 208 has two opposite stub axles 216 for mounting in a respective rotary bearing 218 in a carrier 217.
- the carrier 217 is in turn arranged in the housing 215.
- the magnet 209 is arranged in the interior of the rotary wheel 2088, namely pushed onto an axle stub 216.
- the two Hall elements 210, 210 ' are stationary with respect to the rotary knob 208 arranged on a printed circuit board not shown in the housing 215.
- switching operating elements 6 for triggering and / or switching functions of the motor vehicle or the devices to be controlled in the motor vehicle are arranged in the operating unit 5.
- a closer formation of such a scarf operating element 6 is shown in Fig. 11.
- the switch operating element 6 has an actuating surface 308 for manual action by means of an element 309.
- the element 309 is in particular the finger of a human hand.
- a member 309 a pin o. The like. Use find.
- the actuating surface 308 comprises a capacitive sensor, wherein the actuating surface 308 can be acted upon by an electrical voltage. Due to the capacitance change by changing the electric field on the actuating surface 308 as the element 309 approaches the
- the capacitive sensor generates a signal.
- the signal then serves, for example, for switching and / or triggering a function of the motor vehicle in the manner of a switching signal.
- an electrical conductor 311 in electrical contact with a contact surface on a circuit board 310 for supplying the electrical voltage.
- an electrical conductor 311 an electrically conductive elastomer is provided.
- Elastomer 311 is preferably an electrically conductive rubber. For good contact, the electrical conductor 311 is clamped between the actuating surface 308 and the printed circuit board 310
- the switching control element 6 has a housing 312.
- the actuating surface 308 is configured in the manner of a diaphragm on the housing 312.
- the printed circuit board 310 is located inside the housing 312. On the circuit board 310 is still a part of the capacitive sensor forming electronics arranged. Next is on the circuit board 310 a
- Carrier element 313 is provided for the actuating surface 308.
- the support element 313 is made of plastic.
- the electrically conductive elastomer 311 is injected into the support member 313 in its manufacture by injection molding in the manner of a two-component (2K) part.
- the support member 313 is formed in the manner of a reflector for guiding light. As a result, light which is emitted by a luminous means, for example by a light-emitting diode, on the printed circuit board 310 can be led to the actuating surface 308 such that the actuating surface 308 can be illuminated.
- the operating unit 5 comprises two switching operating elements 6' whose configuration is shown in more detail in FIG. 12.
- Each shift operating element 6 ' has an actuating member 408, by means of which the shift operating element 6' can be actuated by the operator.
- the switching operating element 6 'further has a switching mat 409, which comprises a switching contact 410.
- On a circuit board 411 is a fixed contact 412 for switchable interaction with the switching contact 410.
- the actuator 408 along an actuating path by the operator is movable, the actuator 408 via an actuator 413 the
- Switch contact 410 switches.
- a part 414 of the switching mat 409 is arranged in the actuation path between the actuator 408 and one of the limit of the actuation travel stop 415, as shown in Fig. 13 can be seen. Due to the soft part 414, the stop movement of the actuator 408 is damped at the stop 415.
- the switching operating element 6 'and / or the operating unit 5' has a housing 416.
- the stop 415 is in turn arranged in the housing 416 and / or on the actuating member 408.
- the switching mat 409 is made of an elastic elastomer, in particular silicone, and is produced in a simple manner by means of injection molding.
- the housing 416 and / or the stopper 415 and / or the actuating member 408 are made of plastic, in particular of a thermoplastic material, with which they can also be produced by means of injection molding.
- the arranged in the actuating path part 414 of the switching mat 409 is formed as a projection 414 on the switching mat 409, as shown in FIG. 12 can be seen.
- the invention is not limited to the described and illustrated exemplary embodiment. Rather, it also encompasses all expert developments within the scope of the invention defined by the claims.
- an inventive rotary encoder 7 not only for a multi-function switch in the steering wheel but also for other control switches, panels in the automotive and / or consumer area o. The like. Be used.
- axle stub (from rotary wheel)
Abstract
Description
Claims
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017012050 | 2017-12-28 | ||
DE102017012052 | 2017-12-28 | ||
DE102017012055 | 2017-12-28 | ||
DE102017012054 | 2017-12-28 | ||
DE102017012053 | 2017-12-28 | ||
PCT/EP2018/086796 WO2019129752A1 (de) | 2017-12-28 | 2018-12-21 | Drehgeber |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3732441A1 true EP3732441A1 (de) | 2020-11-04 |
Family
ID=65003379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18830488.5A Withdrawn EP3732441A1 (de) | 2017-12-28 | 2018-12-21 | Drehgeber |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3732441A1 (de) |
WO (1) | WO2019129752A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021210506A1 (de) * | 2021-09-22 | 2023-03-23 | Volkswagen Aktiengesellschaft | Bedieneinrichtung zur Steuerung von Funktionen und/oder Anwendungen in einem Fahrzeug |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4054860A (en) * | 1975-12-01 | 1977-10-18 | Oak Industries Inc. | Hall effect rotary switch |
DE19715360B4 (de) * | 1997-04-12 | 2007-09-06 | Siemens Ag | Bedienvorrichtung |
DE102006057311B4 (de) * | 2006-11-05 | 2013-02-28 | Zf Friedrichshafen Ag | Dreh- und druckbetätigbare Vorrichtung |
-
2018
- 2018-12-21 WO PCT/EP2018/086796 patent/WO2019129752A1/de unknown
- 2018-12-21 EP EP18830488.5A patent/EP3732441A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2019129752A1 (de) | 2019-07-04 |
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Inventor name: WETZEL, BERND Inventor name: HOERR, DANIEL Inventor name: CIBU, OVIDIU Inventor name: DANBRATU, MARIUS Inventor name: KOPP, JUERGEN Inventor name: VULCU, LUCIAN Inventor name: GREABU, LILIANA SILVIA Inventor name: PITIGOI, ELENA ROXANA Inventor name: MANECK, HOLGER Inventor name: ZHOU, QIANG Inventor name: GRECEAN, LIVIU DAN |
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