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WO2010057757A1 - 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
WO2010057757A1
WO2010057757A1 PCT/EP2009/064342 EP2009064342W WO2010057757A1 WO 2010057757 A1 WO2010057757 A1 WO 2010057757A1 EP 2009064342 W EP2009064342 W EP 2009064342W WO 2010057757 A1 WO2010057757 A1 WO 2010057757A1
Authority
WO
WIPO (PCT)
Prior art keywords
movable
transmission
target
positions
sensor
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
PCT/EP2009/064342
Other languages
German (de)
English (en)
Inventor
Thomas Kleiber
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and 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 AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of WO2010057757A1 publication Critical patent/WO2010057757A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • 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
    • F16H59/02—Selector apparatus
    • F16H59/04—Ratio selector apparatus
    • F16H59/044—Ratio selector apparatus consisting of electrical switches or sensors

Definitions

  • the invention relates to a device for detecting all switching positions in a manual transmission.
  • the transmission comprises a switching dome, which receives a movable actuator.
  • the individual switching positions in the transmission are adjustable.
  • 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 readily movable manner.
  • the sensing pin cooperates with a ramp or a trajectory.
  • a sensor determines the position of the scanning pin and determines the switching position.
  • 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.
  • this locking device is used for a shift of a transmission.
  • At least one locking bolt is displaceably guided, which has a detent ball on one end face.
  • the locking pin is biased by a compression spring. Due to this pressure spring, the locking bolt is provided against a scanning curve. spans and the detent ball thus slides on this Abtastkurve.
  • the Rannpenkontur is designed such that the contact point coincides with a turning point of the symmetrically connected ramp contour.
  • the German patent DE 41 21 410 C1 discloses a device for detecting the switching state of a transmission.
  • the transmission is designed as an electric transmission for a motor vehicle in which a part which is moved directly in the transmission during shifting, namely the shift shaft, is used as an indicator for the switching state.
  • a finger is fastened on the switching shaft, which influences the fields of permanent magnets by means of a shadow mask, which act on opposite reed switches.
  • the permanent magnets, the reed switches, their support plates and the shadow mask is combined to form a sensor unit and can be mounted together on an opening of the wall of the transmission.
  • the German utility model DE 200 106 19 LJ 1 discloses a switching device for a vehicle gearbox.
  • the vehicle change gear comprises a manual shift lever forcibly guided in accordance with selection and switching movements and one electric actuating device assigned to the selection or shift movements.
  • a controller is provided, which is in operative connection with the manual shift lever and the two actuating devices, wherein the two actuating devices are designed as separate units.
  • the switch positions of the manual shift lever are electrically coded.
  • the two actuating devices can be controlled by means of the control in accordance with the switching positions of the manual shift lever.
  • German patent application DE 199 080 36 A1 discloses a method and a device for detecting the rotational and translational movement of a shaft.
  • the shaft is provided with at least one permanent magnet.
  • a linear inductive non-contact displacement sensor is arranged, which is controlled by the permanent magnet.
  • the shaft can thereby execute several linear sections in the axial direction. have formed, each linear section is associated with a permanent magnet.
  • the permanent magnet is fastened on the outside of the shaft. Furthermore, the permanent magnets are arranged radially offset from each other.
  • a reversing light switch has been used to indicate the reverse gear in the rule.
  • the indication of the neutral position of a transmission is usually made via a magnet and a Hall sensor.
  • the disadvantage of this arrangement is that you need two circles to determine two different positions of the transmission of a motor vehicle. Furthermore, with this arrangement, no gear detection is possible. Likewise, this arrangement does not allow to detect a detection of the intermediate positions in the individual shift gates.
  • the invention has for its object to provide a device that allows, in addition to the current requirements, such as the detection of the reverse gear and the neutral position, to detect the intermediate stages and the end positions of a gearbox.
  • the device of the present invention is provided with at least one code located on a predefined target.
  • This target is associated with a movable actuator.
  • at least one address bus sensor for determining the position of the movable control element is provided, the position of the movable control element is determined on the basis of the at least one coded target.
  • the address bus sensor can also be used for address activation of the at least one target.
  • the address bus sensor is used to read the code of the target.
  • an address activation sensor is arranged in the switching dome.
  • the at least one target can be designed as an incremental object, so that a relative position of the movable actuating element takes place via evaluation electronics. This evaluation unit counts the overflows of the incremental object, which are carried out by the address bus sensor.
  • a path or an angle traveled by the movable actuating element is determined from the counting of a first threshold and a second threshold.
  • the first thresholds are aligned perpendicular to the second threshold.
  • the at least one target may have an encoded surface (e.g., encoded magnetic tape / encoded magnetic paint). A determination of an absolute position of the movable actuating element takes place directly via the coded target.
  • an encoded surface e.g., encoded magnetic tape / encoded magnetic paint.
  • the movable actuator is 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 an apparatus for adjusting various gears in a transmission of a motor vehicle.
  • Figure 2 shows an enlarged perspective view of the device for adjusting the various gears in the transmission of a motor vehicle, wherein the switching dome is shown enlarged and some parts of the housing have been omitted.
  • Figure 3 shows an enlarged perspective view of another
  • Embodiment of the switching dome here also parts of the housing have been omitted for the sake of clarity.
  • FIG. 4 shows an enlarged perspective illustration of the region of the device in which the sensors for determining the switching position are arranged.
  • Figure 5 shows another perspective view of the arrangement of the sensors with respect to the targets, which are used to determine the switching position of the transmission.
  • Figure 6 shows a further enlarged perspective view of
  • FIG. 7 shows a schematic representation, as in a 6-speed
  • Gearbox with reverse gear the individual thresholds are divided to achieve a determination of the individual shift positions of the transmission.
  • Figure 8 shows a schematic representation of the position detection in a 6-speed transmission by means of 11 switches or buttons.
  • Figure 9 shows a schematic representation of the position detection in a 6-speed transmission by means of 21 switches or buttons.
  • FIG. 10 shows a circuit diagram of a 6-speed transmission.
  • Figure 11 shows schematically the detection of the switching positions of a
  • FIG. 1 shows a perspective view of a device for detecting all shift positions in a manual transmission of a motor vehicle.
  • the switching states of the transmission of the motor vehicle are adjusted by means of a movable control 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, which receives the actuating element and is at least partially surrounded by a housing 4.
  • two detents are installed in the housing 4.
  • the arrangement of the detents 6 in the housing 4 represents only one of several embodiments and thus should not be construed as a limitation of the invention. 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 various embodiments for detecting the switching states of the movable circuit or actuator 2 will be described in more detail in the following figures. As explained with reference to the object of the invention, it applies in addition to the usual shift positions such as reverse R and neutral position N to detect the intermediate positions and the end positions of a gearbox reliably.
  • the shift dome is provided with an actuating lever 12, via which the various positions or positions of the actuating element 2 can be adjusted.
  • FIG. 2 shows an enlarged perspective view of the device 1 for setting or for detecting the switching positions of a transmission of a motor vehicle.
  • the switching dome 3 at least one address bus sensor 20 is arranged.
  • an address activation sensor 22 is provided in relation to the address bus sensor 20.
  • a lock 6 is provided in the shift dome, which, as already mentioned, ensures a defined shift feel when changing gears.
  • Figure 3 shows an enlarged view of the switching dome 3, wherein the sake of clarity, the housing 4 has been removed.
  • the address bus sensor 20 Opposite the address bus sensor 20, the address activation sensor 22 is arranged.
  • the lock 6 cooperates with a contour 15 in order to provide a defined shift feeling for the gear change.
  • the individual shift positions of the transmission are determined at least via the address bus sensor 20 in conjunction with at least one coded target 24, 26.
  • the address activation sensor also cooperates with the target 24, 26 in order to enable the coding of the target 24, 26 required for the readout of the individual shift positions of a transmission.
  • FIG. 4 shows a further perspective illustration of an embodiment of the arrangement of detent 6 and address bus sensor 20 in the switching dome 3 of the device 1.
  • the address bus sensor 20 is designed here such that it is both the address bus sensor and the address activation sensor.
  • FIG. 5 shows a further perspective illustration of the embodiment of the arrangement of locking device 6 and address bus sensor 20 shown in FIG. 4.
  • the locking device 6 acts with a contour 15. together to provide for the operation of the individual gears of the transmission a certain shift feel available.
  • FIG. 6 shows an enlarged representation of the embodiment of the arrangement of address bus sensor 20 and address activation sensor 22 shown in FIGS. 2 and 3.
  • the address bus sensor 20 and the address activation sensor 22 are arranged opposite one another.
  • the address bus sensor 20 interacts with at least one coded target 24 in order to determine therefrom the set positions of a transmission of a motor vehicle.
  • the address activation sensor 22 also cooperates with another target 26 to set a specific encoding on the target 26.
  • first activation thresholds 34 and second activation thresholds 36 for the detection of the individual shift positions in a 6-speed transmission 30.
  • shift positions means the reverse gear R, all end positions 40 for the forward gears, to understand all neutral positions N and also intermediate positions Z in the gearshift of a transmission.
  • the 6-speed transmission 30 has a plurality of shift lanes 32 which lead to the individual end positions 40 of the individual gears.One of the shift lanes 32 leads to the reverse gear R and between the In order to achieve a detection of the individual switching positions, a plurality of first activation thresholds 34 are inserted, which run perpendicular to the individual switching gates 32.
  • a plurality of second activation thresholds 36 are likewise inserted, which p run parallel to the individual shift gates 32.
  • the position determination of the switching position and the selection position is carried out by means of evaluation electronics 41, so that, for the detection of the absolute position in the circuit 30, ultimately a grid of mutually perpendicular first activation thresholds 34 and second activation thresholds 36 results.
  • the position determination takes place by counting overflows registered by the address bus sensor 20.
  • the determination of the relative position by means of a Increment- talen counter, the z. B. may be formed as a magnetic tape.
  • the detection of the absolute position can be done with a coded surface such as magnetic tape or magnetic paint.
  • the position determination is then obtained directly via coded targets 24, which are arranged at the respective positions within the circuit 30 of the transmission.
  • FIG. 8 shows a schematic representation of an embodiment for detecting the position in a 6-speed transmission 30.
  • eleven switches or buttons 40 are distributed on the 6-speed transmission 30, via which the position detection is performed in the transmission 30.
  • a switch 40 is provided for the reverse gear R.
  • the transmission 30 comprises four neutral positions N, to which a switch 40 is also assigned.
  • all end positions which represent the forward gears 1 to 6, also have a switch 40. These switches, it is possible to determine the shift position in the transmission accurately.
  • FIG. 9 shows a further embodiment for determining all shift positions in a 6-speed transmission 30.
  • 21 switches 40 are provided, in which the shift positions within a transmission can be detected.
  • the reverse gear R is provided with a switch 40.
  • all four neutral positions N of the transmission are provided with a switch 40.
  • each end position of the circuit 30, that is to say the first gear, the second gear, the third gear, the fourth gear, the fifth gear and the sixth gear is likewise assigned a switch 40.
  • a switch 40 is provided at an intermediate position Z between each end position and the neutral position within a shift gate 32.
  • Figure 10 shows a schematic representation of a 6-speed transmission 30.
  • the 6-speed transmission 30 includes four neutral positions S and one reverse R.
  • the gears 1 to 6 are set via shift gates 32.
  • FIG. 11 shows a further embodiment of the invention, wherein the individual shift positions are detected within the transmission 30 of a motor vehicle by means of an address coding.
  • 21 positions are assigned a corresponding address coding 50 within the switching paths or the switching gates.
  • Each address coding 50 comprises six bits.
  • switches or buttons are used for the position detection 21, these switches or buttons of the address activation sensor 22 are activated accordingly, so that the address coding shown in FIG. 11 is possible.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Gear-Shifting Mechanisms (AREA)

Abstract

L'invention concerne un dispositif (1) pour détecter toutes les positions de changement de vitesses dans 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 individuelles (R, N, 40) dans une boîte de vitesses. Au moins une cible (24, 26) pourvue d'un code est associée à l'organe d'ajustement mobile (2). En outre, au moins un capteur de bus d'adresse (20) est prévu pour déterminer la position de l'organe d'ajustement mobile (2) à l'aide de la cible (24, 26) pourvue du code.
PCT/EP2009/064342 2008-11-20 2009-10-30 Dispositif pour détecter toutes les positions de changement de vitesses d'une boîte de vitesses Ceased WO2010057757A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008058166.6 2008-11-20
DE200810058166 DE102008058166A1 (de) 2008-11-20 2008-11-20 Vorrichtung zur Erfassung sämtlicher Schaltpositionen bei einem Schaltgetriebe

Publications (1)

Publication Number Publication Date
WO2010057757A1 true WO2010057757A1 (fr) 2010-05-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/064342 Ceased WO2010057757A1 (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) DE102008058166A1 (fr)
WO (1) WO2010057757A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197000A (zh) * 2014-09-23 2014-12-10 上海森太克汽车电子有限公司 外置式空档位置传感器结构

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121410C1 (en) * 1991-06-28 1993-01-28 Adam Opel Ag, 6090 Ruesselsheim, De Vehicle change-speed gear position recognising appts. - has hole mask which interrupts magnetic flux from permanent magnets to reed switches fitted directly to gears and activates position indicating circuit
DE19908036A1 (de) * 1999-02-24 2000-08-31 Zahnradfabrik Friedrichshafen Verfahren und Vorrichtung zur Erfassung der rotatorischen und der translatorischen Bewegung einer Welle
DE20010619U1 (de) * 2000-06-20 2001-08-02 ADWESET Heidemann Einbeck GmbH, 37574 Einbeck Schaltvorrichtung für ein Fahrzeug-Wechselgetriebe
DE19581769C1 (de) * 1994-11-26 2001-10-04 Schaeffler Waelzlager Ohg Rampenkontur für eine Arretiereinrichtung
DE102006036696A1 (de) * 2006-08-05 2008-02-07 Schaeffler Kg Sensoranordnung
WO2008073025A1 (fr) * 2006-12-14 2008-06-19 Scania Cv Ab (Publ) Commande de changement de vitesse

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4121410C1 (en) * 1991-06-28 1993-01-28 Adam Opel Ag, 6090 Ruesselsheim, De Vehicle change-speed gear position recognising appts. - has hole mask which interrupts magnetic flux from permanent magnets to reed switches fitted directly to gears and activates position indicating circuit
DE19581769C1 (de) * 1994-11-26 2001-10-04 Schaeffler Waelzlager Ohg Rampenkontur für eine Arretiereinrichtung
DE19908036A1 (de) * 1999-02-24 2000-08-31 Zahnradfabrik Friedrichshafen Verfahren und Vorrichtung zur Erfassung der rotatorischen und der translatorischen Bewegung einer Welle
DE20010619U1 (de) * 2000-06-20 2001-08-02 ADWESET Heidemann Einbeck GmbH, 37574 Einbeck Schaltvorrichtung für ein Fahrzeug-Wechselgetriebe
DE102006036696A1 (de) * 2006-08-05 2008-02-07 Schaeffler Kg Sensoranordnung
WO2008073025A1 (fr) * 2006-12-14 2008-06-19 Scania Cv Ab (Publ) Commande de changement de vitesse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197000A (zh) * 2014-09-23 2014-12-10 上海森太克汽车电子有限公司 外置式空档位置传感器结构

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Publication number Publication date
DE102008058166A1 (de) 2010-05-27

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