WO2010057760A1 - Dispositif pour détecter toutes les positions de changement de vitesses d'une boîte de vitesses - Google Patents

Dispositif pour détecter toutes les positions de changement de vitesses d'une boîte de vitesses Download PDF

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Publication number
WO2010057760A1
WO2010057760A1 PCT/EP2009/064345 EP2009064345W WO2010057760A1 WO 2010057760 A1 WO2010057760 A1 WO 2010057760A1 EP 2009064345 W EP2009064345 W EP 2009064345W WO 2010057760 A1 WO2010057760 A1 WO 2010057760A1
Authority
WO
WIPO (PCT)
Prior art keywords
hall
target
hall elements
elements
sensors
Prior art date
Application number
PCT/EP2009/064345
Other languages
German (de)
English (en)
Inventor
Thomas Kleiber
Original Assignee
Schaeffler Technologies Gmbh & Co. Kg
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 Schaeffler Technologies Gmbh & Co. Kg filed Critical Schaeffler Technologies Gmbh & Co. Kg
Publication of WO2010057760A1 publication Critical patent/WO2010057760A1/fr

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Classifications

    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H59/70—Inputs being a function of gearing status dependent on the ratio established
    • 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
    • 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
    • F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
    • F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
    • F16H63/30—Constructional features of the final output mechanisms
    • F16H2063/3076—Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof

Definitions

  • the invention relates to a device for detecting all switching positions in a manual transmission.
  • the device comprises a switching dome comprising a movable actuator.
  • the individual shift positions are set in the transmission.
  • German patent application DE 10 2006 036 696 A1 discloses a sensor arrangement.
  • the sensor arrangement is used to determine positions of at least one transmission component.
  • the sensor arrangement has at least one sensor and a sensing pin which is mounted in a housing in a liftable manner.
  • the bearing on the housing end of the Abtastbolzens against at least one associated with the transmission component runway or ramp is elastically biased.
  • the sensor carries at least one pulse generator which determines the position of the scanning pin without contact and thus also the contact position without switching.
  • the German patent DE 195 81 769 C1 discloses a ramp contour for a locking device.
  • the locking device serves to fix the position of a movable circuit or actuating element. In particular, find these locking devices for a circuit of a transmission application.
  • a locking bolt is displaceably guided, which has a locking ball on one end face.
  • the locking pin is provided by a compression spring stressed. By this done with the compression spring bias of the locking bolt thus follows the detent ball provided on the circuit or actuator curve.
  • the detent ball bears against two contact points on the curved ramp contour.
  • the ramp contour is designed such that the contact point coincides with a turning point of the symmetrically shaped ramp contour.
  • German Patent DE 40 38 998 C1 discloses only one start safety switch, thus preventing uncontrolled actuation of the operating lever from its neutral position.
  • the associated gear shift rod has a flag-shaped aperture, which interrupts or reflects the measurement beam of a sensor field in malposition of the actuating lever and the simultaneous release of a condition leading to the shutdown of the motor vehicle causes disengagement leading to the gearshift clutch or triggers a starter lock.
  • adjacent switching rods can be determined by differently sized or shaped passages in the photocell principle or by reflection scanning, which is engaged in malposition of the operating lever with the vehicle stationary.
  • the sensor array can be optical or IR radiation and be measured by optical semiconductor sensors, photodiodes or LED light-emitting diodes; It can be a magnetic field and be measured by galvanomagnetic devices, analog or digital Hall sensors or magnetoresistive sensors.
  • the German patent application DE 197 48 115 A1 discloses a gear change transmission which is actuated by means of a switching member.
  • at least two magnets are provided, which are arranged on the circumference of the switching member.
  • the magnets are each spaced from each other and cover the circumference of the switching element segmented.
  • Hall sensors adjoin the switching element, wherein the Hall sensors each spaced from each other and aligned for detecting the magnetic field strengths of the magnets.
  • the German patent application DE 10 2005 011 744 A1 discloses a holding device for a sensor system, in particular for a Hall sensor system, for detecting the movements of a shift rail or a shift fork of the transmission of a motor vehicle.
  • At least one pole plate, at least one pole magnet and at least one pole cap are provided for covering and / or protecting the pole magnet.
  • the assembly and the workload are simplified in that the pole cap is designed such a housing-shaped, that the pole magnet and the pole plate are arranged and fixed in the housing of the PoI- cap.
  • German patent application DE 10 2006 010 616 A1 discloses an electromagnetic switching device for transmission with a switching element which is arranged displaceably in an axial direction.
  • the switching element can assume at least one first and one second displacement position.
  • a permanent magnet magnetized in the axial direction is connected to the switching element.
  • a first and a second electromagnet are axially spaced from each other and fixedly disposed with respect to the transmission.
  • a Hall sensor is provided for sensing the displacement position of the switching element.
  • the invention has for its object to provide a device with which in addition to the conventional detection of the neutral position and the reverse gear of a gearbox, the intermediate positions and the Endpositio- nen of the gearbox are clearly detected.
  • the device for detecting all shift positions, such as the neutral position, the reverse gear, the intermediate positions and the end positions in a manual transmission comprises a shift dome with a movable actuator. About the actuator, the individual switching positions at be set to the manual transmission. At least one target is associated with the movable control element. Furthermore, at least two Hall elements are provided for determining the position of the at least one target.
  • the two Hall elements each consist of at least one Hall sensor.
  • the Hall sensors are designed as simple Hall sensors.
  • the two Hall elements each consist of two simple Hall sensors.
  • the Hall sensors of the two Hall elements are designed as 2D Hall sensors.
  • the Hall sensors of the two Hall elements are designed as 3D Hall sensors.
  • the two Hall elements are arranged in relation to the target in such a way that an imaginary straight line extends from each Hall element and the target intersects, so that the angular position of the target or of the actuating element can be determined.
  • the two Hall elements are arranged with respect to two targets in such a way that an imaginary straight line originating from each Hall element intersects each target, so that the angular position of the targets or of the actuating element can be determined.
  • the at least one target is attached to the movable adjusting element.
  • the Hall elements are stationary in this case.
  • the movable target interacts with the stationary elements.
  • the at least one target is stationary.
  • the Hall elements are provided on the movable adjusting element and thus cooperate with the target.
  • the target and the at least two Hall elements are arranged with respect to the actuating element, that with this arrangement, the neutral position, the reverse gear, a plurality of intermediate positions and the corresponding end positions of the gearbox can be detected.
  • the actuating element is designed to be movable in the direction of the axis of the actuating element and about the axis of the actuating element.
  • Figure 1 shows a perspective view of the device according to the invention with a typical switching dome, with which the individual gears of a transmission are switched.
  • Figure 2 shows a perspective view of the switching dome
  • Figure 3 shows a perspective view of the switching dome, with some parts omitted, thus illustrating the structure of the invention.
  • FIG. 4 shows a plan view in the direction of the axis of the actuating element.
  • Figure 5 shows a schematic representation of the assignment of the target to the actuator and the Hall elements to the target.
  • FIG. 6 shows a simplified illustration of an embodiment of the invention
  • FIG. 7 shows a simplified illustration of a further embodiment for determining the absolute position by means of two Hall elements and two targets.
  • Figure 1 shows a perspective view of a device 1 for detecting switching states of a movable actuating element 2.
  • the movable actuator 2 is here a shaft which acts as a central transformer of the individual switching movements.
  • the device 1 has a switching dome 3 which receives the adjusting element 2 and is at least partially surrounded by a housing 4.
  • two locking rings 6 are installed in the housing 4. These two locks 6 serve for a defined shift feeling when changing gears.
  • contours 15 are formed on the adjusting element 2, on which the detents 6 roll and are also fixed in a specific position.
  • the switching dome 3 is provided with an actuating lever 12, via which the various positions or positions of the actuating element 2 can be adjusted.
  • Figure 2 shows an enlarged perspective view of the switching dome 3 and the arrangement of the Hall elements 22 in the switching dome 3.
  • the housing 4 is partially omitted in order to gain a better insight into the arrangement of the Hall elements 22.
  • the two Hall elements 22 are arranged radially with respect to the adjusting element 2 and radially spaced from each other. In the embodiment shown here, the Hall elements 22 are stationary with respect to the movable control element. 2
  • Figure 3 shows a perspective view of the switching dome 3, with some parts omitted, so as to better illustrate the structure of the invention.
  • a target 20 on the movable actuator 2 is attached.
  • the Hall elements 22 are arranged stationary and distributed radially with respect to the target 20.
  • the detents 6 are provided with which mechanically determined positions of the actuating element 2 can be determined.
  • FIG. 4 shows a plan view in the direction of the axis A of the actuating element 2. It can clearly be seen here that the two detents 6 are mounted opposite one another for the mechanical adjustment of the position of the actuating element 2.
  • the Hall elements 22 are distributed radially around the target 20.
  • FIG. 5 shows a schematic representation of the assignment of the target 22 to the actuating element 2 and also of the two Hall elements 22 to the target 20.
  • the target 20 and the at least two Hall elements 22 are arranged in relation to the actuating element 2 such that the plurality of neutral positions N, the reverse gear R, the intermediate positions Z and the end positions 10 of the gearbox can be detected.
  • the shift travel 14 of the transmission are also shown in FIG. At the ends of the switching paths 14 are the end positions 10 and the reverse gear R.
  • the detection of the switching or selection position is based on at least two Hall elements 22.
  • the Hall elements can be used as 2D or SD - Hall sensors be formed. It is also conceivable that the Hall elements 22 are simple Hall sensors and that the two Hall elements 22 each comprise two simple of these Hall sensors, so that an angle measurement is possible.
  • the target 20 is a magnet.
  • FIG. 6 shows a simplified representation of an embodiment for determining the absolute position by means of two Hall elements 22 and a target 20.
  • the two Hall elements 22 are arranged with respect to the target 20 such that a straight line 18 emanates from each Hall element 22 and cuts the target 20, so that the angular position of the target 20 and the actuating element 2 can be determined.
  • the two lines 18 close with each of the imaginary horizontal H an angle ⁇ or ß.
  • the position of the targets 20 is calculated from a function f ( ⁇ / ⁇ ).
  • FIG. 7 shows a simplified illustration of a further embodiment of the invention
  • the two Hall elements 22 are so in relation to two targets 2d and 2O 2 . arranged that of each Hall element 22 a straight line
  • each target 2Oi and 2O 2 intersects, so that the angular position of the targets 2Oi and 2O 2 and the actuating element 2 can be determined. Again, close the two lines 18 with each of the imaginary horizontal H an angle ⁇ or ß.
  • the position of the two targets 20 is calculated in each case from a function f ( ⁇ / ⁇ ).

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

L'invention concerne un dispositif (1) pour détecter toutes les positions de changement de vitesses d'une boîte de vitesses. Un dôme de changement de vitesses (3) comprend un organe d'ajustement mobile (2) servant à sélectionner les positions de changement de vitesses (10) individuelles de la boîte de vitesses. Au moins une source (20) est associée à l'organe d'ajustement mobile (2). Selon l'invention, au moins deux éléments à effet Hall (22) sont prévus pour déterminer la position de la ou des cibles (20).
PCT/EP2009/064345 2008-11-20 2009-10-30 Dispositif pour détecter toutes les positions de changement de vitesses d'une boîte de vitesses WO2010057760A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008058163.1 2008-11-20
DE200810058163 DE102008058163A1 (de) 2008-11-20 2008-11-20 Vorrichtung zur Erfassung sämtlicher Schaltpositionen eines Schaltgetriebes

Publications (1)

Publication Number Publication Date
WO2010057760A1 true WO2010057760A1 (fr) 2010-05-27

Family

ID=41571823

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/064345 WO2010057760A1 (fr) 2008-11-20 2009-10-30 Dispositif pour détecter toutes les positions de changement de vitesses d'une boîte de vitesses

Country Status (2)

Country Link
DE (1) DE102008058163A1 (fr)
WO (1) WO2010057760A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010056271B4 (de) 2010-12-24 2018-09-20 Paragon Ag Sensoranordnung zur Erfassung sowohl der Axial- als auch der Drehstellung einer in Längsrichtung verschieblichen und drehbaren Welle
DE102016207006B3 (de) * 2016-04-26 2017-07-13 Schaeffler Technologies AG & Co. KG Magnet zur Schaltposition-Erkennung
DE102017202833A1 (de) * 2017-02-22 2018-08-23 Zf Friedrichshafen Ag Vorrichtung und Verfahren zum Bestimmen einer Position eines Betätigungselements für ein Getriebe eines Fahrzeugs und System zum Bewirken von Schaltvorgängen eines Getriebes eines Fahrzeugs
DE102017002873A1 (de) 2017-03-24 2018-09-27 Wabco Gmbh Vorrichtung und Verfahren zur Positionserfassung einer Schaltgabel eines Schaltgetriebes

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731489A1 (fr) * 1995-03-08 1996-09-13 Renault Boite de vitesses de vehicule automobile comportant un dispositif de detection du rapport engage
WO1997046815A1 (fr) * 1996-06-07 1997-12-11 Applied Power Incorporated Dispositif de selection et de passage de vitesses d'une boite de vitesses mecanique
DE19748115A1 (de) * 1997-10-31 1999-05-12 Sican F & E Gmbh Sibet Vorrichtung zum elektromechanischen Schalten eines Gangwechselgetriebes
US6057682A (en) * 1998-04-17 2000-05-02 Cts Corporation Dual rotational and linear position sensor
US6116391A (en) * 1995-09-12 2000-09-12 Luk Getriebe-Systeme Gmbh Method of and apparatus for actuating the torque transmitting system and the transmission in the power train of a motor vehicle
US6175233B1 (en) * 1996-10-18 2001-01-16 Cts Corporation Two axis position sensor using sloped magnets to generate a variable magnetic field and hall effect sensors to detect the variable magnetic field
US6731108B2 (en) * 2001-03-23 2004-05-04 Sentron Ag Device with a magnetic position encoder
JP2004210251A (ja) * 2003-01-06 2004-07-29 Hidehito Shimooka Ｍｔ車シフトポジション検出装置
EP1882871A1 (fr) * 2006-07-26 2008-01-30 Sc2N Boîte de vitesses d'un véhicule automobile comportant un capteur magnétique à effet Hall
WO2008073025A1 (fr) * 2006-12-14 2008-06-19 Scania Cv Ab (Publ) Commande de changement de vitesse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4038998C1 (en) 1990-12-06 1992-05-14 J I Case Gmbh, 4040 Neuss, De Vehicle gear transmission position detector - provides safety interlock for transmission to prevent vehicle from starting out of neutral
DE4442120A1 (de) 1994-11-26 1996-05-30 Schaeffler Waelzlager Kg Rampenkontur für eine Arretiereinrichtung
DE102005011744A1 (de) 2005-03-11 2006-09-14 Volkswagen Ag Haltevorrichtung für ein Sensorsystem, insbesondere für ein Hall-Sensorsystem zur Erfassung der Bewegungen einer Schaltschiene oder einer Schaltgabel des Getriebes eines Kraftfahrzeuges
DE102006010616A1 (de) 2006-02-17 2007-08-30 Bayerische Motoren Werke Ag Elektromagnetische Schalteinrichtung für Getriebe
DE102006036696A1 (de) 2006-08-05 2008-02-07 Schaeffler Kg Sensoranordnung

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2731489A1 (fr) * 1995-03-08 1996-09-13 Renault Boite de vitesses de vehicule automobile comportant un dispositif de detection du rapport engage
US6116391A (en) * 1995-09-12 2000-09-12 Luk Getriebe-Systeme Gmbh Method of and apparatus for actuating the torque transmitting system and the transmission in the power train of a motor vehicle
WO1997046815A1 (fr) * 1996-06-07 1997-12-11 Applied Power Incorporated Dispositif de selection et de passage de vitesses d'une boite de vitesses mecanique
US6175233B1 (en) * 1996-10-18 2001-01-16 Cts Corporation Two axis position sensor using sloped magnets to generate a variable magnetic field and hall effect sensors to detect the variable magnetic field
DE19748115A1 (de) * 1997-10-31 1999-05-12 Sican F & E Gmbh Sibet Vorrichtung zum elektromechanischen Schalten eines Gangwechselgetriebes
US6057682A (en) * 1998-04-17 2000-05-02 Cts Corporation Dual rotational and linear position sensor
US6731108B2 (en) * 2001-03-23 2004-05-04 Sentron Ag Device with a magnetic position encoder
JP2004210251A (ja) * 2003-01-06 2004-07-29 Hidehito Shimooka Ｍｔ車シフトポジション検出装置
EP1882871A1 (fr) * 2006-07-26 2008-01-30 Sc2N Boîte de vitesses d'un véhicule automobile comportant un capteur magnétique à effet Hall
WO2008073025A1 (fr) * 2006-12-14 2008-06-19 Scania Cv Ab (Publ) Commande de changement de vitesse

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