EP2603775A1 - Dispositif de détermination de la position angulaire d'un composant rotatif d'un véhicule, et véhicule équipé d'un tel dispositif - Google Patents

Dispositif de détermination de la position angulaire d'un composant rotatif d'un véhicule, et véhicule équipé d'un tel dispositif

Info

Publication number
EP2603775A1
EP2603775A1 EP11740646.2A EP11740646A EP2603775A1 EP 2603775 A1 EP2603775 A1 EP 2603775A1 EP 11740646 A EP11740646 A EP 11740646A EP 2603775 A1 EP2603775 A1 EP 2603775A1
Authority
EP
European Patent Office
Prior art keywords
gear
tooth
teeth
toothed structure
rotation
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.)
Ceased
Application number
EP11740646.2A
Other languages
German (de)
English (en)
Inventor
Lars Schoch
Onofrio Intini
Marco Noll
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.)
Valeo Schalter und Sensoren GmbH
Original Assignee
Valeo Schalter und Sensoren GmbH
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 Valeo Schalter und Sensoren GmbH filed Critical Valeo Schalter und Sensoren GmbH
Publication of EP2603775A1 publication Critical patent/EP2603775A1/fr
Ceased legal-status Critical Current

Links

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
    • G01D5/26—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—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 characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/3473—Circular or rotary encoders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D15/00—Steering not otherwise provided for
    • B62D15/02—Steering position indicators ; Steering position determination; Steering aids
    • B62D15/021—Determination of steering angle
    • B62D15/0215—Determination of steering angle by measuring on the steering column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/14—Construction providing resilience or vibration-damping
    • F16H55/16—Construction providing resilience or vibration-damping relating to teeth only

Definitions

  • the invention relates to a device for detecting a position angle of a rotatable component of the vehicle, with a gear device which is coupled to the component, wherein a gear of the gear device engages in a toothed structure of the component. Furthermore, the invention also relates to a vehicle with such a device.
  • a device for angle measurement in a rotatable body, in particular for determining the steering angle of a motor vehicle, is known from DE 195 06 938 A1.
  • the individual gears are arranged with their positions of the axes of rotation stationary relative to each other. Therefore and in
  • a device according to the invention for detecting a position angle of a rotatable component of a vehicle comprises a gear device, which is mechanically coupled in movement with the rotatable component.
  • Gear device engages in a toothed structure of the component.
  • the toothed structure may also be a gear.
  • Teeth of the gear are in the circumferential direction about an axis of rotation of the gear and / or teeth of the toothed structure of the component are formed in the direction of rotation about an axis of rotation of the toothed structure in a movable or deformable. This means that they have a certain elasticity of movement, so that they are not stationary and rigidly arranged in this sense.
  • the detection accuracy of the position angle can be significantly increased.
  • the teeth of the gear and / or the teeth of the toothed structure may have a hollow cross-section.
  • This inner hollow cross-section is arranged between the two tooth flanks of the associated tooth and allows at least to a certain extent relative movements of the two tooth flanks to each other.
  • the hollow cross-section can - as explained in more detail below - be designed in particular as a radial slot or as a recess or bore of the tooth.
  • a tooth of a gear is at least partially formed with two tooth parts, which are spaced from each other, formed, which then such a movement elasticity in
  • a slot in a tooth is formed at least as long as the length of a tooth tip of such a tooth extends. Especially this configuration allows in the front region of a tooth such a shape and
  • the teeth of the toothed structure are slotted in the radial direction.
  • a slot is also at least as long as a tooth tip of a tooth of the toothed structure extends.
  • Gear device as well as the teeth of the toothed structure of the component are formed slotted.
  • each of the teeth is slotted accordingly.
  • teeth of the toothed wheel and / or teeth of the toothed structure are designed for deformability with a continuous bore.
  • a bore is understood to be a hole which, viewed in the direction of the bore, is peripherally circumscribed by the material of the tooth.
  • a bore extends in the radial direction substantially over the height of the tooth.
  • the hole is angular, in particular rectangular.
  • some teeth of the toothed wheel and / or some teeth of the toothed structure are slotted and further teeth of the toothed wheel and / or further teeth of the toothed structure are formed with a bore.
  • the two axes of rotation and thus the axis of rotation of the gear of the gear device as well as the axis of rotation of the toothed structure are arranged parallel to each other and positioned stationary to each other. This means that they extend in the same direction and no relative movement between the
  • At least one sensor is provided, which for detecting the
  • the device preferably comprises a control unit which is designed to evaluate the sensor information. Since the gear of the gear device is coupled to the toothed structure of the component and their original initial relative position to each other known and
  • the rotatable member is a steering shaft of the vehicle and the
  • Position angle is the steering angle.
  • the invention also relates to a vehicle with a device according to the invention and an advantageous embodiment thereof.
  • the device for detecting the position angle is thus designed in particular such that the teeth of driving and / or driven gear or toothed segment are designed so that the tooth flanks as
  • Play compensation element serve to a occurring axial distance tolerance
  • Fig. 1 is a plan view of a partial section of an embodiment of a device according to the invention.
  • Fig. 2 is an enlarged view of a tooth of a gear of the device
  • Fig. 3 is a plan view of a partial section of another
  • Embodiment of a device according to the invention is an enlarged view of a tooth of a gear of the device of FIG .. 3
  • a device 1 for detecting a steering angle of a steering shaft 2 of a vehicle is shown.
  • the device 1 is therefore arranged in a vehicle.
  • the device 1 comprises a gear device 3, which may have one or more gears.
  • the gear 4 and thus also the gear device 3 is connected to the steering shaft 2, which has a toothed structure 5 on the outside,
  • the gear 4 and the steering shaft 2, in particular the toothed structure 5, are arranged so that an axis of rotation A of the gear 4, which is perpendicular to the
  • Figure plane extends parallel to a rotational axis B of the toothed structure 5 extends.
  • the gear 4 is formed symmetrically about the axis of rotation A.
  • the device 1 is designed so that even rotations up to or greater than 360 ° are possible.
  • teeth 6 of the gear 4 (only one tooth is denoted by reference numeral 6) would come with teeth 7 of the toothed structure 5 (only one tooth is denoted by reference numeral 7).
  • all the teeth 6 of the gear 4 are formed with a slot 8.
  • all the teeth 7 of the toothed structure 5 are formed with a slot 9.
  • the slots 8 and 9 extend in the radial direction of the respective gear configurations.
  • gear 4 and the steering shaft 2 are arranged with the toothed structure 5 so that the axes of rotation A and B are positioned stationary to each other. This means that no relative movement between the axes of rotation A and B perpendicular thereto and thus in the plane of the figure, is possible.
  • the device 1 further comprises at least one sensor 10, which is designed to detect the rotational position of the gear 4.
  • Control unit 1 1 is provided, which is formed depending on the information of the sensor 10 for determining the steering angle of the steering shaft 2.
  • a tooth 6 of the gear 4 is shown in an enlarged view.
  • Each tooth of the gear 4 is formed analogously.
  • each tooth 7 of the toothed structure 5 is analogous or at least equivalent.
  • the tooth 6 includes a Zahnfu ß 12 and a tooth head 13.
  • the division with respect to the Zahnfu ß 12 and tooth tip 13 is indicated by the horizontal dashed line.
  • tooth flanks 14 and 15 are formed in their contour profile so that they are formed over the entire height of the tooth 6 step-free and thus continuously corner-free. The transition from Zahnfu ß 12 to the tooth head 13 is therefore stepless.
  • the depth of the slot 8 extends greater than the height of the tooth head 13 and thus also extends at least partially over the length of Zahnfu ßes 12.
  • Embodiment of a tooth 6 is given a certain deformation elasticity of a tooth 6. This means that in the direction of rotation and the axis of rotation A a tooth 6 when engaging in the toothed structure 5 has a certain deformability, so that both tooth flanks 14 and 15 bear against tooth flanks of adjacent teeth 7 during the corresponding engagement. An undesirable play in the direction of rotation is avoided.
  • FIGS. 3 and 4 show a further embodiment of a device 1.
  • teeth 6 of the toothed wheel 4 are formed with an angular through-hole or an angular hole 16.
  • corresponding holes 17 provided. 4 shows an enlarged view of a tooth 6 is shown.
  • the bore 16 extends substantially over the entire height of the tooth 6. Through this bore 16 and 17, the remaining thin walls of the teeth 6 and 7 are reversibly deformable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

L'invention concerne un dispositif de détermination de la position angulaire d'un composant rotatif (2) d'un véhicule, comprenant un dispositif à engrenage (3) couplé au composant (2). Une roue dentée (4) du dispositif à engrenage (3) s'engrène dans une structure dentée (5) du composant (2), les dents (6) de la roue dentée (4) étant en soi déformables dans le sens de rotation autour d'un axe de rotation (A) de la roue dentée (4) et/ou les dents (7) de la structure dentée (5) du composant (2) étant en soi déformables dans le sens de rotation autour d'un axe de rotation (B) de la structure dentée (5). L'invention concerne également un véhicule équipé d'un tel dispositif (1).
EP11740646.2A 2010-08-13 2011-08-03 Dispositif de détermination de la position angulaire d'un composant rotatif d'un véhicule, et véhicule équipé d'un tel dispositif Ceased EP2603775A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010034261 DE102010034261A1 (de) 2010-08-13 2010-08-13 Vorrichtung zum Erfassen eines Positionswinkels eines drehbaren Bauteils eines Fahrzeugs sowie Fahrzeug mit einer derartigen Vorrichtung
PCT/EP2011/063340 WO2012019946A1 (fr) 2010-08-13 2011-08-03 Dispositif de détermination de la position angulaire d'un composant rotatif d'un véhicule, et véhicule équipé d'un tel dispositif

Publications (1)

Publication Number Publication Date
EP2603775A1 true EP2603775A1 (fr) 2013-06-19

Family

ID=44545687

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11740646.2A Ceased EP2603775A1 (fr) 2010-08-13 2011-08-03 Dispositif de détermination de la position angulaire d'un composant rotatif d'un véhicule, et véhicule équipé d'un tel dispositif

Country Status (3)

Country Link
EP (1) EP2603775A1 (fr)
DE (1) DE102010034261A1 (fr)
WO (1) WO2012019946A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013021824A1 (de) 2013-12-21 2015-06-25 Valeo Schalter Und Sensoren Gmbh Sensorvorrichtung zum Erfassen eines Positionswinkels eines drehbaren Bauteils eines Kraftfahrzeugs und Kraftfahrzeug
US10018264B2 (en) * 2016-11-18 2018-07-10 Steering Solutions Ip Holding Corporation Sensor module having a gear assembly
EP3686462B1 (fr) * 2019-01-28 2021-06-09 IMS Gear SE & Co. KGaA Roue dentée destinée à être utilisée dans un engrenage, appariement de roues dentées d'un engrenage ainsi qu'engrenage doté d'un tel appariement de roues dentées

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1085291A (en) * 1964-09-17 1967-09-27 Vauxhall Motors Ltd Noise reduction of toothed gears
DE19506938A1 (de) 1995-02-28 1996-08-29 Bosch Gmbh Robert Verfahren und Vorrichtung zur Winkelmessung bei einem drehbaren Körper
JPH09210143A (ja) * 1996-02-02 1997-08-12 Komori Corp 歯車伝動装置
JP4392771B2 (ja) * 1999-11-22 2010-01-06 株式会社ハーモニック・ドライブ・システムズ 偏位かみ合いインボリュート歯形を有する撓みかみ合い式歯車装置
JP4737839B2 (ja) * 2000-01-19 2011-08-03 株式会社エンプラス 歯車及び歯車装置
JP4209155B2 (ja) * 2002-03-05 2009-01-14 アルプス電気株式会社 回転角検出装置
WO2008013372A1 (fr) * 2006-07-25 2008-01-31 Lg Innotek Co., Ltd Appareil de détection d'angle de direction et procédé associé
DE102009028860A1 (de) * 2008-08-26 2010-03-04 Robert Bosch Gmbh Vorrichtung zur Vermessung des Winkels eines drehbaren Körpers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2012019946A1 *

Also Published As

Publication number Publication date
DE102010034261A1 (de) 2012-02-16
WO2012019946A1 (fr) 2012-02-16

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