WO2018172143A1 - Dispositif de changement de vitesse et procédé de changement de vitesse pour une boîte de vitesses de véhicule - Google Patents

Dispositif de changement de vitesse et procédé de changement de vitesse pour une boîte de vitesses de véhicule Download PDF

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Publication number
WO2018172143A1
WO2018172143A1 PCT/EP2018/056245 EP2018056245W WO2018172143A1 WO 2018172143 A1 WO2018172143 A1 WO 2018172143A1 EP 2018056245 W EP2018056245 W EP 2018056245W WO 2018172143 A1 WO2018172143 A1 WO 2018172143A1
Authority
WO
WIPO (PCT)
Prior art keywords
switching
switching device
force
drive motor
power transmission
Prior art date
Application number
PCT/EP2018/056245
Other languages
German (de)
English (en)
Inventor
Romina BRUCH
Martin Zangl
Original Assignee
Bing Power Systems 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 Bing Power Systems Gmbh filed Critical Bing Power Systems Gmbh
Publication of WO2018172143A1 publication Critical patent/WO2018172143A1/fr

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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/32—Electric motors actuators or related electrical control means therefor
    • 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
    • F16H63/40—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 comprising signals other than signals for actuating the final output mechanisms
    • F16H63/50—Signals to an engine or motor
    • F16H63/502—Signals to an engine or motor for smoothing gear shifts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
    • B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H2061/2823—Controlling actuator force way characteristic, i.e. controlling force or movement depending on the actuator position, e.g. for adapting force to synchronisation and engagement of gear clutch
    • 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
    • F16H2063/3089—Spring assisted shift, e.g. springs for accumulating energy of shift movement and release it when clutch teeth are aligned
    • 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
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • F16H61/0248—Control units where shifting is directly initiated by the driver, e.g. semi-automatic transmissions

Definitions

  • the invention relates to a switching device and a switching method in each case for a manual transmission of a vehicle.
  • switching assistants for switching support. These are devices in which by pressing a (foot) lever due to the coupled with this (switching) linkage, a spring, usually a coil spring tensioned (compressed or stretched).
  • a control signal is sent to the engine associated with the vehicle control. With this control signal receives this vehicle engine control information that the driver wants to perform a switching operation.
  • the vehicle engine controller then equalizes the engine speed to that of the (shift) transmission. With sufficient similarity of the engine speed and the transmission speed, the force of the tensioned spring is sufficient to perform the switching operation.
  • the invention has for its object to further improve switching between the gears of a gearbox.
  • the switching device is set up and provided for use with a manual transmission of a vehicle, in particular a motorcycle.
  • the switching device comprises a particular electric drive motor and a driven side coupled to the drive motor power transmission unit, preferably a transmission.
  • the switching device comprises a spring element, which is power transmission-coupled with the power transmission unit.
  • the spring element is loosely coupled (i.e., with play) to the power transmission unit.
  • the switching device comprises an actuating element, the transmission-technically, for example. Loosely, is coupled to the spring element, and in an intended use state of the switching device at least indirectly with a transmission control element, in particular a control shaft of the gearbox, for example indirectly via a control shaft associated lever device in transmission connection.
  • the switching device for the drive motor comprises a motor controller (in particular optionally outsourced from a preferably surrounding at least the drive motor and the power transmission unit), which is adapted to receive a particular electrical switching signal by means of a preferably associated switching signal input, the drive motor for generating a on the To actuate power transmission unit acting force.
  • a motor controller in particular optionally outsourced from a preferably surrounding at least the drive motor and the power transmission unit, which is adapted to receive a particular electrical switching signal by means of a preferably associated switching signal input, the drive motor for generating a on the To actuate power transmission unit acting force.
  • the optionally present switching signal input is, for example, a "connection" of a signal line which, for example, can be actuated manually (ie, in particular by hand) (such as a rocker switch, toggle switch or the like) Switching knob associated with the switching direction, etc., or by a foot-operated switch which is in particular coupled to a conventional foot pedal, in the latter case the switch actuatable by the foot switch is optionally arranged on the switching device itself.
  • the motor controller is formed at least in the core by a microcontroller with a processor and a data memory, in which the functionality for controlling the drive motor in the form of operating software (firmware) is implemented programmatically.
  • the motor controller is formed by a non-programmable electronic component, for example an ASIC, in which the functionality for controlling the drive motor is implemented by means of circuitry.
  • the motor controller for integration into a higher-level control of the vehicle (hereinafter referred to as "vehicle controller") formed and thus formed in the intended use state as part of this parent control as well as spatially separated from the other components of the switching device with the drive motor of the switching device
  • the motor controller is integrated in an assembly formed by the components of the switching device, for example, arranged in or on the drive motor.
  • the switching device and the switching method described in more detail below are used in a manual transmission of a motorcycle.
  • the inventive design of the switching device advantageously space and / or weight can be saved because, for example, a commonly existing switching linkage and associated levers (usually cast metal, especially cast steel) for transmitting an exerted by the driver switching movement, in a motorcycle in particular the Switching movement with the driver's foot (and in particular the force applied thereby) can be omitted.
  • a commonly existing switching linkage and associated levers usually cast metal, especially cast steel
  • a shift force required for a specific embodiment of the gearbox and / or a required shift angle can be varied in a simple manner, at least within certain limits -) switching devices, however, have the shift linkage and levers on each variant of the gearbox - in particular on each type of motorcycle - in terms the respectively required switching force (specifically their switching force value or the resulting value of a switching torque) are adjusted. Due to the electrical control can also be made more appealing for the driver operation. Thus, for example, a switching command comparatively powerless via simple hand switch (eg.
  • the operation then only for the output of an electric
  • This may, for example, be advantageous in order to enable particularly fuel-efficient operation-in particular by means of an assigned operating mode-or to prevent "switching errors" (for example, a Switching down to a lower gear at too high a speed or speed for this gear).
  • the switching device is due to the electrical control advantageously also for a kind of automatic operation of the gearbox, for example by the switching signal described above is generated by the engine controller itself or the vehicle controller.
  • the switching device does not have the aforementioned motor controller. Ie. the motor controller is omitted in a likewise inventive design of the switching device described above. This is for example the case when the switching device according to the invention is designed as a unit that is used in a particular manufactured by another manufacturer vehicle in which already a functionality for driving the drive motor of the switching device (in particular manufacturer side) is integrated or implemented. Otherwise, however, the switching device of this invention has all other features described herein and in an analogous manner.
  • the spring element is set up to temporarily store the actuating force transmitted by the force transmission unit by a tension between the force transmission unit and the actuating element as switching force. In other words, the spring element is biased upon actuation of the drive motor by means of the power transmission unit against the actuating element. The resulting from this bias force value corresponds to the value of the cached switching force.
  • the switching device preferably comprises a control signal output, in particular associated with the motor controller, for coupling to the vehicle controller mentioned above, which in particular constitutes a vehicle engine controller, wherein the engine controller is set up at the same time. H. before or at the same time to - the control of the drive motor to generate the actuating force output a control signal to the vehicle controller to equalize the engine speed to the transmission speed of the vehicle. Due to the bias of the spring element, the actual switching operation, d. H. the "inserting" of the new gear in the manual transmission, with sufficient similarity of the speeds of the vehicle engine and the gearbox with comparatively little effort .. The switching power is to this condition thus particularly low.
  • the power transmission unit is formed by a shaft extension or a kind of lever which is coupled to a shaft or at least one rotor of the drive motor and - in particular without the interposition of a transmission - (referred to in this context as "direct” ) Power transmission between the drive motor and the spring element is used.
  • the power transmission unit is formed by a gear transmission.
  • an output-side toothed wheel of the toothed-wheel transmission that is to say a force flow originating in the drive motor, is connected to the toothed wheel.
  • remote end of the gear transmission arranged gear a particular projecting in the axial direction driving lug.
  • This driving lug is at least under the action of the actuating force with a pointing in the direction of the adjusting force, in particular in the direction of rotation of the driven-side gear side with the spring element in contact.
  • the spring element is a bending spring, in particular a leg spring.
  • each leg of the spiral spring preferably lies in the unloaded state (in each case by the drive motor and / or by the manual transmission) on one of the two sides (or contact surfaces) of the driving lug pointing in the respective direction of rotation.
  • the bending spring is mounted with a bias to the driving lug, so that this (seen in the direction of rotation) on both sides of the legs of the spiral spring "clamped.”
  • the bending spring also has the two end legs, which are formed according to the system on the shaft extension or coupled to the shaft of the drive motor lever in its respective direction of rotation.
  • the adjusting element is designed and arranged such that the adjusting element is acted upon rotation of the driven-side gear from the trailing in this direction of rotation of the driving lug leg of the bending spring with the switching force.
  • the actuator is similar to the driving lug between the two legs of the bending spring, so that upon rotation of the driven side gear of the two legs of the
  • Mit #2ase is taken and the bending spring thus clamped with its other (second) leg against the actuator.
  • the actuator is taken from the second leg of the spiral spring in the direction of rotation of the output side gear (tracked in the direction of the drive lug), so that the force applied by the bending spring switching force is transmitted to the transmission control element.
  • the output-side gear and the actuator are suitably rotatably mounted in a particularly compact design about a common axis of rotation.
  • the actuating element comprises a control lever for transmission-technical coupling with the spring element and an actuating shaft for (possibly indirect) coupling with the transmission control element of the gearbox.
  • the adjusting lever is, for example, in one piece (that is, monolithic) or otherwise rotatably connected to the actuating shaft.
  • the motor controller is adapted to determine a parking position of at least one of the elements, in particular of the output-side gear of the power transmission unit. For example. detects the motor controller to a motor characteristic, in particular a motor current, a number of revolutions of the rotor of the drive motor or the like and determines it and in particular on the basis of the transmission ratio of the power transmission unit, specifically the gear train, the setting position.
  • the switching device in an expedient embodiment comprises a position sensor for determining the actuating position of the element of the power transmission unit.
  • a position sensor for determining the actuating position of the element of the power transmission unit.
  • this is a Hall sensor or the like, which is arranged, for example, on a transmission cover opposite the output-side gear and connected to the motor controller.
  • the motor controller is - as already indicated - configured to generate the switching signal itself or to use at least one of the vehicle controller itself generated switching signal for driving the drive motor.
  • the switching device can also be operated in a kind of "mixed mode" manual circuit and automatic mode, in which, for example.
  • the signal line to the motor controller described above can be omitted or optionally used for connection to the vehicle controller Case "within” the motor controller and possibly also only software-technologically illustrated (the latter in particular when the motor controller is integrated into the vehicle controller formed by a microcontroller).
  • the switching method according to the invention is carried out.
  • the spring element is biased by means of the force generated by the drive motor and applied by the power transmission unit actuating force on the reception of a switching signal, in particular of the driver side input or generated by the vehicle or motor controller switching command.
  • the spring element then exerts a particular resulting from the force switching force on the actuator.
  • the actuating element controls the jack use state coupled transmission control element of the gearbox to adjust the gearbox to another gear.
  • the actuator moves the transmission control element, preferably when, due to a sufficient similarity between the engine speed and the transmission speed of the vehicle, the switching force applied by the spring element (specifically their switching force value) is greater than a force required for actuating the transmission control element (specifically its force value).
  • the drive motor biases the spring element about a (in particular vehicle-dependent factory) predetermined switching force value.
  • the drive motor optionally moves the element or elements of the power transmission unit by a predetermined distance, in particular by a predetermined angle of rotation, so that the predetermined switching force value is achieved.
  • the drive motor is driven depending on the force.
  • the drive motor and thus also the power transmission unit and the actuator are returned to a neutral position.
  • the above-described determination of the setting position is particularly useful.
  • FIG. 1 is a semi-transparent perspective view of a switching device for a manual transmission of a vehicle
  • FIG. 3 is a partial sectional view III-III of FIG. 2, the switching device, Fig. 4 in a partial sectional view IV-IV of FIG. 3, the switching device, and Fig. 5 in a plan view of a bottom of the switching device.
  • a switching device 1 for a manual transmission of a vehicle, specifically a motorcycle is shown in different representations.
  • the switching device 1 comprises a rotary drive, specifically an electric drive motor 2.
  • the drive motor 2 is the output side, d. H.
  • the switching device 1 comprises a
  • the lower housing part 6 is closed by a lid 7, shown in a transparent manner in FIGS. 1 and 2.
  • a lid 7 Through the lid 7 through a power supply of the drive motor 2 and a supply of switching signals and / or actuating signals to the drive motor 2 (not shown in detail).
  • a drive motor 2 controlling motor controller (not shown in detail) is output.
  • the motor controller controls in particular by means of a corresponding control signal to the drive motor 2 for rotation in a direction of rotation associated with the direction of rotation and outputs a control signal output to a higher-level control Control of the motorcycle - specifically a controller for the drive motor of the motorcycle - off.
  • the motor controller is formed separately from the drive motor 2 and integrated into the control of the motorcycle. In an embodiment, not shown, the motor controller is arranged on the drive motor 2.
  • the drive motor 2 acts on the gear transmission 3, so that a
  • a drive lug 12 projects axially from this output gear 10 (see Fig. 3), which in the unloaded (also: “unactuated") state with the two end-side Legs 14 of the leg spring 4 in particular under bias of the leg spring 4 is in contact (see Fig. 4).
  • the adjusting element 5 comprises a designated as adjusting lever 16 elbow and a control shaft 18 which is rotatably connected to the actuating lever 16.
  • the adjusting lever 16 is configured fork-shaped in the illustrated embodiment, in each case one of the fork tines 20 (in the unloaded state of the leg spring 4) is in contact with one of the two legs 14.
  • the driving lug 12 takes with it the leg 14 of the leg spring 4 which is disposed in the direction of rotation. Since at this time usually the speed of the motorcycle engine and the gearbox (ie, the transmission shaft of the gearbox) do not match, the force required to change the gears (specifically their power value) is relatively high. Therefore, the adjusting element 5 and thus the adjusting lever 16 in the starting position (see Fig. 4) is blocked or held by the manual transmission. The leg spring 4 is thus clamped by the driving lug 12 against the trailing in the direction of rotation of the forks 20 of the actuating lever 16.
  • the drive motor 2 is driven in such a way for adjusting the gear transmission 3, that the leg spring 4 is biased by a predetermined switching force value. The drive motor 2 keeps the leg spring 4 at this switching force value.
  • the actuating shaft 18 coupled to the adjusting lever 18 is also rotated in the direction of rotation and transmits this movement to the transmission control element, so that the next (depending on the direction of rotation of the output pinion 10 higher or lower gear) is inserted.
  • the output pinion 10 is also achsvuchtend with the control shaft 18, specifically mounted by means of a (sliding) bearing 22 on the control shaft 18 (see, Fig. 2 and 3).
  • the switching device 1 also includes a position sensor, not shown, which detects the setting position of the output pinion 10 and which is coupled to the motor controller.
  • the motor controller can recognize, for example, whether the switching operation is taking place.
  • the motor controller determines the setting position of the output pinion 10 over the number of revolutions of the rotor drive motor 2.
  • the output pinion 10 is returned to the initial position (also: neutral position, see FIG. 4) after the switching operation due to a transmitted, for example, from the transmission control element on the actuating shaft 18 restoring torque.
  • the drive motor 2 is switched powerless when detected completion of the switching operation or in addition to the restoring torque actively adjusted back to the starting position.

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

Abstract

L'invention concerne un dispositif de changement de vitesse (1) et un procédé de changement de vitesse pour une boîte de vitesses de véhicule. Le dispositif de changement de vitesses (1) comporte un moteur d'entraînement (2), une unité de transmission de force (3) accouplée au moteur d'entraînement (2) côté sortie, un élément ressort (4) qui est accouplé par transmission de force à l'unité de transmission de force (3), un élément de réglage (5) qui est accouplé par transmission de force à l'élément ressort (4) et qui est en liaison de transmission de force au moins indirectement avec un élément de commande de boîte de vitesses, en particulier un arbre de commande de la boîte de vitesses, dans un état d'utilisation correct du dispositif de changement de vitesse (1), et un dispositif de commande pour le moteur d'entraînement (2), lequel comporte une entrée de signal de changement de vitesse et est conçu pour commander le moteur d'entraînement (2) de manière à produire une force de réglage agissant sur l'unité de transmission de force (3) à la réception d'un signal de changement de vitesse.
PCT/EP2018/056245 2017-03-20 2018-03-13 Dispositif de changement de vitesse et procédé de changement de vitesse pour une boîte de vitesses de véhicule WO2018172143A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017204614.7 2017-03-20
DE102017204614 2017-03-20

Publications (1)

Publication Number Publication Date
WO2018172143A1 true WO2018172143A1 (fr) 2018-09-27

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0695892A2 (fr) * 1994-08-04 1996-02-07 Eaton Corporation Dispositif préchargé par ressort de changement du rapport d'une boîte de vitesses
US20070243973A1 (en) * 2006-04-18 2007-10-18 Kengo Minami Automated transmission controller and vehicle including the automated transmission controller
EP2674354A2 (fr) * 2012-06-11 2013-12-18 Bayerische Motoren Werke Aktiengesellschaft Dispositif de changement de vitesse et procédé de commande de changement de vitesses pour transmission
US20170051826A1 (en) * 2014-04-07 2017-02-23 Renault S.A.S. Method for controlling a gear shift actuator and corresponding shift actuator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0695892A2 (fr) * 1994-08-04 1996-02-07 Eaton Corporation Dispositif préchargé par ressort de changement du rapport d'une boîte de vitesses
US20070243973A1 (en) * 2006-04-18 2007-10-18 Kengo Minami Automated transmission controller and vehicle including the automated transmission controller
EP2674354A2 (fr) * 2012-06-11 2013-12-18 Bayerische Motoren Werke Aktiengesellschaft Dispositif de changement de vitesse et procédé de commande de changement de vitesses pour transmission
US20170051826A1 (en) * 2014-04-07 2017-02-23 Renault S.A.S. Method for controlling a gear shift actuator and corresponding shift actuator

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