WO2017174076A1 - Dispositif d'actionnement d'embrayage et de transmission et capteur de déplacement linéaire à système d'aimant double basculé - Google Patents

Dispositif d'actionnement d'embrayage et de transmission et capteur de déplacement linéaire à système d'aimant double basculé Download PDF

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Publication number
WO2017174076A1
WO2017174076A1 PCT/DE2017/100267 DE2017100267W WO2017174076A1 WO 2017174076 A1 WO2017174076 A1 WO 2017174076A1 DE 2017100267 W DE2017100267 W DE 2017100267W WO 2017174076 A1 WO2017174076 A1 WO 2017174076A1
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WO
WIPO (PCT)
Prior art keywords
magnet
magnetic field
magnets
sensor unit
field sensor
Prior art date
Application number
PCT/DE2017/100267
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German (de)
English (en)
Inventor
Tim Herrmann
Dominik BANASCH
Jean-Francois Heyd
Original Assignee
Schaeffler Technologies AG & 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 & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112017001871.4T priority Critical patent/DE112017001871A5/de
Publication of WO2017174076A1 publication Critical patent/WO2017174076A1/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
    • 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
    • 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
    • F16H63/32—Gear shift yokes, e.g. shift forks

Definitions

  • the invention relates to an actuating device with a measuring system / sensor system for detecting a displacement position of a switching element, wherein the measuring system is configured as a linear displacement measuring system / linear displacement sensor.
  • the invention also relates to a switching device for selecting and / or insertion or disengagement of a transmission stage of a motor vehicle transmission, with a movably mounted switching element, such as a shift fork, and such a measuring system.
  • the actuating device may in particular be designed as part of a torque-transmitting device, such as a transmission or a clutch.
  • the actuating device can be used in particular for switching, selecting, actuating or similar operations.
  • piston-cylinder units, shift forks, and hydrostatic clutch actuators can be forced / activated with it, and also be used to measure the forced movement.
  • the measuring system can thus be designed and used as a subsystem of a switching device / a switching actuator of a transmission.
  • Various switching devices for actuating transmissions in motor vehicles are already known from the prior art. Such switching devices are disclosed, for example, with DE 10 201 1088 662 A1 and DE 10 201 1088 667 A1.
  • the measuring systems known from the prior art usually have the disadvantage that they can be used in practice for relatively short displacement paths.
  • it has hitherto been found to be suitable if an arctangent ratio between two measured components of the magnetic flux densities of the magnetic field generated by the magnet is determined.
  • the Shifting the magnet changing arc tangent ratio (angle) to the respective displacement positions of the magnet, the position of the magnet can be determined during operation.
  • this position determination only works with an approximately linear course of the arctangent ratio (angle) with respect to the displacement path.
  • an actuating device for a gear shifting device which ensures reliable position determination of the shifting element for relatively short displacement paths of a shifting element.
  • the measuring system is provided for detecting a displacement position of a switching element with a magnetic field sensor unit designed to detect at least two directional components of a magnetic field and a magnet unit having two magnets and prepared for connection to the switching element wherein the magnet unit is disposed relative to the magnetic field sensor unit such that a multi-dimensionally aligned magnetic field generated by the magnets is detectable by the magnetic field sensor unit in a predetermined displacement range of the magnet unit, and the two magnets are arranged and / or configured such that one first, a north pole and a south pole of the first magnet interconnecting dipole axis obliquely to a second, a north pole and a south pole of the second magnet interconnecting
  • Such a configuration of an actuating device has shown that the detected directional components of the magnetic field detected by the magnetic field sensor unit, preferably the directional components of the magnetic flux density in a Y direction and an X direction, when they are referred back in the arctangent function have an approximately linear course allow with a higher slope over a much wider angle range.
  • the actuator - and thus the measuring system - relatively short displacement paths better than previously monitored and the correct position of the actuator reliably detected.
  • the first magnet and / or the second magnet is / are a permanent magnet.
  • the actuator - and thus the measuring system - particularly inexpensive to produce.
  • first magnet and / or the second magnet continue to be block-shaped, for example cuboidal, cube-shaped, or prism-shaped, or rod-shaped, for example with an elliptical, preferably circular cross-section, a magnetic field is generated by the respective magnet, which is particularly is designed for metrological detection of a linear displacement.
  • the first magnet is arranged relative to the second magnet such that the first dipole axis and the second dipole axis of these two magnets lie in a common plane.
  • the magnets are particularly cleverly arranged for the execution of the actuating device - and thus also the measuring system - as a linear displacement measuring system.
  • the two magnets are arranged relative to one another such that the first dipole axis (seen in a displacement plane) at an angle between 25 ° and 90 °, preferably between 30 ° and 90 °, more preferably between 60 ° and 90 °, more preferably at an angle of about 90 °, relative to the second dipole axis is aligned.
  • an approximately linear relationship with a high gradient between the arc tangent and the displacement path can be formed over a relatively short displacement range and at the same time over a large angular range.
  • the two magnets are arranged so that the first dipole axis and / or the second dipole axis at an angle between 30 ° and 80 °, preferably between 40 ° and 60 °, particularly preferably in a Angle of approximately 45 ° are aligned obliquely to a displacement plane / is, within which the magnets are arranged relative to the magnetic field sensor unit, are aligned / is.
  • the magnetic field sensor unit has a multidimensional, preferably a two-dimensional, more preferably a three-dimensional Hall sensor.
  • the Hall sensor comprises a first partial sensor component, by means of which a first direction component of a magnetic flux density of the magnetic field / of a magnetic field can be detected in an X direction, and a second component sensor section, by which a second direction component of the magnetic field component Flux density of the magnetic field in a direction perpendicular to the X direction arranged Y-direction is detected comprises.
  • the magnetic field sensor unit is particularly well prepared for detecting a displacement position of the switching element of a transmission.
  • an evaluation unit is connected to the magnetic field sensor unit for data transmission, wherein the evaluation unit is configured to generate an arctangent value of two different directional measured data values detected by the magnetic field sensor unit (preferably using the X and Y values).
  • Direction components of the magnetic flux density in the form of magnetic flux density values / voltage values proportional to the flux density.
  • the displacement position can be calculated very quickly. If the two magnets continue to be arranged relative to one another in such a way that the detected and / or calculated arc tangent course has a linear relationship with the displacement path within the determined displacement range, the correct position of the magnets or of the switching element can be determined in as few calculation steps as possible.
  • the invention relates to a switching device for selecting and / or installation / interpretation of a gear ratio / a gear of a motor vehicle transmission, with a movably arranged switching element and an actuating device with a measuring system according to at least one of the embodiments described above, wherein a magnet unit with the switching element is firmly connected and a magnetic field sensor unit with a housing fixed portion to which the switching element is movably mounted, and the magnet unit and the magnetic field sensor unit are arranged relative to each other such that a shift range of the switching element in an operation is fully detectable.
  • the measuring system can be used particularly effectively.
  • an actuating device and a displacement sensor (measuring system) with two mutually tilted block magnets (first and second magnet) are thus implemented.
  • An actuating device / a corresponding sensor system (measuring system) or an actuator (switching device / geared actuator) should be implemented with a corresponding sensor system which has a tilt, so that depending on parameters to be preset (distance "Y" of the sensor (FIG. the magnetic field sensor unit) relative to the magnets, the strength of the magnets, the distance "b” of the magnets from one another), a linear course of the arc quenching arises as a function of the distance traveled / of the distance traveled over a sufficiently large area ⁇ .
  • the block magnets are preferably tilted away from each other by the same amount, wherein a tilt leads to positive results on each other.
  • the magnets are preferably arranged in the radial direction far from the axis of rotation to realize the largest possible translation and are pivoted accordingly.
  • the sensor is located at a location axially in the direction of the axis of rotation spaced from the magnets. By pivoting the magnets, the measured magnetic field is varied accordingly. In order to obtain as linear a measurement as possible with a small path error, the magnets are tilted as described.
  • FIG. 1 is a schematic plan view of an actuating device according to the invention according to a first preferred embodiment, wherein the position of the magnetic field sensor unit, substantially centrally in a displacement region of a magnet unit, can be seen, wherein the magnet unit has two relatively tilted block magnets,
  • Fig. 2 is a perspective view of a portion of a switching device according to the invention comprising the actuating device with the measuring system according to Fig. 1, wherein in particular a shift fork of the switching device is shown schematically, to which the magnet unit is fixedly received on a pivoting area, so that these fixed to the housing fixed magnetic field sensor unit is detectable,
  • FIG. 3 is a schematic plan view of the actuating device according to the first embodiment similar to FIG. 1, wherein the field lines are shown to illustrate the magnetic field formed by the magnets and wherein it can be seen that the dipole axes of the two magnets relative to each other, towards the magnetic sensor unit, to run towards each other,
  • FIG. 4 is a measuring system according to a second further preferred embodiment, which is constructed in principle as the first embodiment, wherein the magnets are now aligned in such a way that the dipole axes of the two magnets extend away from one another in the direction of the magnetic sensor unit,
  • FIG. 5 is a diagrammatic view illustratively showing a schematic of the X and Y direction components of the magnetic flux density of the magnetic field generated by the two magnets of an embodiment
  • FIG. 6 is a diagrammatic representation illustrating the schematic progression of the arctangent ratio of the flux density values shown in FIG. 5 over the displacement path of the magnets.
  • FIG. 7 is a diagram illustrating the course of the arctangent ratio of the flux density values shown in FIG. 5 over the displacement path of the magnets as well as in dependence of the tilting of the magnets relative to one another.
  • FIG. 1 a first embodiment of an actuating device according to the invention with a measuring system 1 is shown.
  • the measuring system 1 is provided for detecting / detecting a displacement position of an actuating element / switching element 2 (FIG. 2) of a switching device which is not shown here for the sake of clarity.
  • the switching element 2 designed as a shift fork of the switching device can be seen.
  • the switching device is a preferably electric motor driven actuator.
  • the switching device is designed here as a gear shift / transmission actuator and used in operation in the usual way for selecting and / or input / output of a gear ratio / a gear of a motor vehicle transmission, such as a transmission of a car, truck, bus or agricultural utility vehicle.
  • a gear ratio / a gear of a motor vehicle transmission such as a transmission of a car, truck, bus or agricultural utility vehicle.
  • the switching element 2 in the form of the shift fork is relative to a not shown here for clarity not shown housing fixed portion which is fixedly connected to a housing of the switching device or the transmission, movable / pivotable.
  • the switching element 2 in the form of the shift fork is relative to a not shown here for clarity not shown housing fixed portion which is fixedly connected to a housing of the switching device or the transmission, movable / pivotable.
  • Swivel axis pivotable to select the appropriate gear ratios / gears of the transmission and / or put on or interpreted.
  • the measuring system 1 is arranged so that it always detects the correct position / pivot position of the switching element 2 during operation of the switching device.
  • the structure of the measuring system 1 is in principle particularly well recognizable.
  • the measuring system 1 has a magnetic field sensor unit 3 which is designed to detect / detect two directional components of a magnetic field, namely two directional components of the magnetic flux density of the magnetic field.
  • a magnet unit 5 is provided which generates this magnetic field.
  • the magnet unit 5 has two magnets 4a and 4b, which together form a total magnetic field / total magnetic field 12.
  • the magnetic field sensor unit 3 has a two-dimensional Hall sensor not shown here for the sake of clarity. In further embodiments, it is also possible that the magnetic field sensor unit
  • the magnetic field sensor unit 3 instead has a three-dimensional Hall sensor. Consequently, the magnetic field sensor unit 3 is capable of metrologically detecting at least two direction components of a magnetic flux density of a magnetic field.
  • the magnetic field sensor unit 3 serves as an element which outputs two electrical voltage values designed as measured data values as output, proportional to the directionally different direction components of the magnetic flux density.
  • the magnetic field sensor unit 3 is then in operation in the usual way with an evaluation unit also not shown here for the sake of clarity. Ronic, ie data-transmitting, connected and transmits the measured data recorded to this evaluation unit.
  • the magnetic field sensor unit 3 due to its design as a multi-dimensional Hall sensor, detects with a first component sensor component a first direction component of the magnetic flux density of the magnetic field 12 in an X direction.
  • the first partial sensor component or the measuring direction of the first partial sensor component is shown schematically in FIG. 1 with the aid of an arrow X of an electromagnetic field sensor unit coordinate system Magnetic flux density of the magnetic field 12 is detected perpendicularly in the Y-direction, ie perpendicular relative to the X-direction in this y-direction
  • the second Sectionensor ist part or the measuring direction of the second Operaensorb seemsteils is schematically in Fig. 1 by means of a marked "Y" Arrows 15 of the magnetic field sensor unit coordinate system shown.
  • the magnetic field sensor unit coordinate system indicates with its zero point the approximate position of the magnetic field sensor unit 3 relative to the magnet unit 5.
  • the first part sensor component is arranged such that its measuring direction / the X direction is arranged in a displacement plane 8, to which the magnetic unit 5 described in more detail below is displaced in parallel during operation.
  • the second partial sensor component is arranged such that its measuring direction / the Y-direction, perpendicular to this X-direction, is aligned normal to the displacement plane 8.
  • the magnetic field sensor unit 3 is thus preferably positioned with its Hall sensor in the starting position shown in FIG. 1, which essentially corresponds in the center / centric of a practically converted displacement area 6 of the magnet unit 5 / of the switching element 2.
  • the measuring system 1 also has a magnet unit 5.
  • the magnet unit 5 is fixedly attached to the switching element 2 during operation, as can be clearly seen in FIG.
  • the magnet unit 5 (also referred to as magnet system / magnet arrangement / magnet actuator) is arranged on an arm of the switching element, spaced from the bearing bush 13 of this arm / to the pivot axis.
  • the magnet unit 5 is in a direction normal to the shift plane 8 relative to the Magnetic field sensor unit 3 spaced to form an air gap 9.
  • the magnetic field sensor unit 3 is in turn fixed to the housing fixed portion of the switching device or the transmission.
  • the magnet unit 5 is movably / pivotably attached to the switching element 2 relative to the magnetic field sensor unit 3.
  • FIG. 1 shows a neutral position of the magnet unit 5 / of the switching element 2 relative to the magnetic field sensor unit 3.
  • the magnet unit 5 has two magnets 4a and 4b, each designed as permanent magnets.
  • the two magnets 4a and 4b are in each case designed as cuboid block magnets. However, the two magnets 4a and 4b are not fixed to this shape.
  • the two magnets 4a and 4b are also formed differently, such as cube-shaped, prism-shaped or round rod-shaped. Both magnets 4a and 4b are also the same shape and dimensioned.
  • the two magnets 4a and 4b are each also formed differently and dimensioned. Both magnets 4a and 4b are equidistant from the plane of displacement 8 relative to the plane of displacement 8 at the same distance from the air gap 9.
  • the magnets 4a and 4b are fixed in a magnetic holding portion 10 of the switching element 2.
  • the two magnets 4a and 4b with their dipole axes 7a and 7b are inclined relative to one another, ie inclined relative to one another.
  • a first magnet 4a here in FIG. 1 corresponding to the left of the two magnets 4a and 4b, has a first imaginary dipole axis 7a passing through the north pole and the south pole of the first pole Magnet 4a passes therethrough.
  • the first magnet 4a is oriented so that its north pole forming side obliquely facing the displacement plane 8.
  • the first magnet 4a is oriented so that the dipole axis 7a extends in a plane perpendicular to the plane of displacement 8.
  • the first dipole axis 7a is aligned in this embodiment at an angle of 45 ° relative to the displacement plane 8.
  • other angles of incidence of the first dipole axis 7 a such as 75 ° or 60 °, relative to the displacement plane 8 are also implemented.
  • a second magnet 4b is arranged parallel to the displacement region 6 / to the displacement plane 8 spaced from the first magnet 4a.
  • the second magnet 4b also forms a (second) dipole axis 7b, which in turn is inclined at 45 ° to the displacement plane 8, but in the opposite direction to the first dipole axis 7a.
  • the second magnet 4b is always tilted / twisted in opposite directions to the first magnet 4a.
  • the second imaginary dipole axis 7b of the second magnet 4b also extends through the north pole and through the south pole of the second magnet 4b.
  • the north pole of the second magnet 4b is arranged on a side of the second magnet 4b facing away obliquely from the first magnet 4a and / or the displacement plane 8.
  • the second dipole axis 7b also extends on the plane perpendicular to the plane of displacement 8.
  • the magnets 4a and 4b / the dipole axes 7a and 7b are thus set at 90 °, ie substantially perpendicular to each other, with the dipole axes 7a and 7b intersecting.
  • the magnets 4a and 4b it is also possible to arrange the magnets 4a and 4b differently, such that the two dipole axes 7a and 7b extend / are oriented in different planes, for example in mutually parallel planes (which in turn are preferably perpendicular to the displacement plane 8) ,
  • the arrangement of the two magnets 4a and 4b according to FIG. 1 results in the apparent in Fig. 3 course of the two partial magnetic fields 1 1 a and 1 1 b, wherein a first partial magnetic field 1 1 a is generated by the first magnet 4a and a second Partial magnetic field 1 1 b generated by the first magnet 4b. Both partial magnetic fields 1 1 a and 1 1 b together form the common magnetic field 12, which acts on the magnetic field sensor unit 3.
  • the oblique / tilted arrangement of the magnets 4a and 4b results in particular in the two curves of the direction components of the magnetic flux density which can be seen in FIG.
  • the first directional component in the X direction ie the proportion of the magnetic flux density (ordinate) measured in the X direction by the magnetic field sensor unit 3 is approximately configured in this case by a cosine progression along the relevant displacement range 6 / displacement path (abscissa).
  • the second directional component in the Y direction ie the proportion of the magnetic flux density (ordinate) measured in the Y direction by the magnetic field sensor unit 3, is approximately configured in this case by a sinusoid along the relevant displacement range 6 / displacement path (abscissa). This makes it possible, as calculated in FIG. 6, to achieve a substantially linear range via the relevant displacement path / measuring path (abscissa) by means of the evaluation unit by means of the arctangent function (ordinate).
  • the arrangement according to the invention makes it possible, in particular, to achieve a displacement path of 12 mm on the basis of an approximately linear course of the arc ratio of the second direction component relative to the first direction component over an angular range of approximately 360 °.
  • the air gap 9, that is, the distance normal to the displacement plane 8 is preferably about 8.2 mm from one of the displacement plane 8 nearest end of both magnets 4a, 4b to the displacement plane. 8
  • the remaining structure and the operation of the second embodiment correspond to the first embodiment.
  • two block magnets (magnets 4a and 4b) are arranged inclined relative to one another.
  • the sensor signal (signal at the magnetic field sensor unit 3) can be influenced in such a way that there is a linear course over a large angular range.
  • an angular range of 360 ° can be linearly measured over a path (displacement range 6) of approximately 25 mm.
  • Fig. 1 shows as an example of the current geometry state of a fork (shift fork) of an E-axis actuator (EAA / switching device) with the magnet arrangement according to the invention.
  • a double-block magnet (magnet unit 5) consists of two NdFeB magnets (magnets 4a and 4b) of the dimensions 7mmx6mmx7mm, whereby the magnets are magnetised in the direction of the short edge (local x-axis).
  • the distance (distance between the center of gravity) of the magnets (magnets 4a and 4b) to each other is preferably 14mm.
  • the radius of the evaluation path (displacement range 6), which coincides with the distance of the sensor 3 to the pivot point of the fork, is 36.5 mm.
  • the distance between the magnets 4a, 4b normal to the sensor is referred to as air gap 9 and has in this embodiment of FIG. 1 has a nominal value of 8.2 mm.
  • the evaluated evaluation line has a length of 12 mm in the circumferential direction (pivoting direction). The ratio of the magnet distance to the edge length of the magnets 4a, 4b is thus approximately one, while the magnetic field is approximately twice that
  • the air gap 9 is greater than the edge length of the magnet 4a, 4b, but less than the Ausirehold 6. Since the field lines, the magnets 4a, 4b in the arrangement, as given in Fig. 1, from the perspective of the sensor 3 to each other Leaving surfaces of the magnets 4a, 4b (see Fig. 3), this constellation is referred to below as tilted to each other.
  • the tilting angle is defined per magnet 4a, 4b about its y-axis (axis perpendicular to the dipole axis 7a, 7b), so that the arrangement in FIG. 1 is tilted at 45 ° to one another.
  • the zero point of the tilt angle is defined such that the magnetization direction of one magnet 4a in, and that of the other magnet 4b against the air gap direction 9 (the direction and normal to the displacement plane 8) shows.
  • Hall sensors in the magnetic field sensor unit 3 can be used to measure the position of specific components.
  • magnets 4a, 4b are mounted on the components, whose magnetic fields or their components measure the sensor 3 fixedly positioned in the space.
  • the displacement path 6 of the magnet 4a, 4b is represented in a simulation by measuring the magnetic field 12 along an evaluation path (evaluation path / measuring path 6).
  • This path reflects the relative movement between the magnets 4a, 4b and the sensor 3.
  • the course of the magnetic field 12 along this path thus corresponds to the signal measured by the sensor 3 during a movement of the magnet 4a, 4b.
  • the arcing of the individual components of the magnetic field 12 is calculated in order to obtain a bijective signal (see FIG. 5).
  • the arc tangent function over the entire measurement path 6 has a signal as linear as possible with the highest possible slope.
  • the higher the slope the larger the angular range covered by the signal.
  • the magnetic field 12 must be strong enough under all tolerance conditions to reliably trigger the sensor 3.
  • the system is particularly sensitive to changes in the air gap 9.
  • Other tolerances only have a very small influence on the sensor signal. Therefore, the magnets 4a, 4b are also arranged so in operation relative to the magnetic field sensor unit 3, that a signal of the arc tangent is obtained, which reacts insensitive to variations of the air gap 9. These variations are due to geometric tolerances.
  • the amount of magnetic flux density should not be significantly reduced.
  • the dynamic air gap tolerances are +/- 0.67 mm. Due to the space, the distance between the two magnets 4a, 4b is limited to 7mm.
  • the path error provides the path difference that the sensor 3 detects incorrectly when the maximum dynamic air gap tolerance is set during operation.
  • the maximum path error which are taken into account in the design must be 0.25 mm, as the difference of min. to max. Case must be considered.
  • the amount of magnetic flux density in these cases is between 28mT and 45mT.
  • the maximum error in this case, not optimized with regard to the tilt angle, is about 0.145 mm.
  • the covered angle range reduces from 140 ° to approximately 110 °, which is sufficient for the sensor 3 used, however.
  • the amount of magnetic flux density in these cases is between 25mT and 44mT.
  • the tilting of the magnets 4a, 4b away from each other thus causes no significant change in the amount of the magnetic flux density.
  • the constructive tilting of the magnets 4a, 4b in the double block arrangement gives the possibility of selectively changing the magnetic field 12 within a small installation space. Depending on the boundary conditions, the magnets 4a, 4b can be tilted towards each other or away from each other.
  • the path error of the air gap tolerance can be reduced without weakening the magnetic field 12.
  • a reduction of the angular range must be accepted.
  • the path error can also be reduced. In this case, it is only 0.09mm.
  • the amount of magnetic flux density is between 13mT and 41mT.
  • the angular range widens to 180 °.
  • the linearity of the arctangent can generally be influenced by the tilting of the magnets 4a, 4b. In addition to the magnet size, this effect depends above all on the magnet spacing.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

L'invention concerne un dispositif d'actionnement comportant un système de mesure (1) pour détecter une position de déplacement d'un élément de commande (2), une unité de détection de champ magnétique (3) conçue pour détecter au moins de secondes composantes de direction d'un champ magnétique ainsi qu'une unité magnétique (5) présentant deux aimants (4a, 4b) et étant conçue pour être reliée à l'élément de commande (2), l'unité magnétique (5) étant disposée relativement à l'unité de détection du champ magnétique (3) de sorte qu'un champ magnétique à orientation multidimensionnelle produit par les aimants peut être détecté par l'unité de détection de champ magnétique (3) dans une zone de déplacement (6) déterminée de l'unité magnétique (5) et les deux aimants (4a, ab) étant disposés relativement l'un à l'autre et/ou étant conçus, de sorte qu'un axe dipolaire (7a) reliant l'un à l'autre un pôle nord et un pôle sud du second aimant (4b) est orienté de manière oblique par rapport à un second axe dipôle (7b) reliant l'un à l'autre un pôle nord et un pôle sud du second aimant (4b). L'invention concerne également un dispositif de commande pour sélectionner et/ou engager ou désengager un rapport de transmission d'une boîte de vitesse de véhicule à moteur à combustion interne avec un élément de commande (2) mobile et un dispositif d'actionnement.
PCT/DE2017/100267 2016-04-07 2017-04-05 Dispositif d'actionnement d'embrayage et de transmission et capteur de déplacement linéaire à système d'aimant double basculé WO2017174076A1 (fr)

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DE112017001871.4T DE112017001871A5 (de) 2016-04-07 2017-04-05 Kupplungs- / Getriebebetätigungsvorrichtung und linearer Wegsensor mit gekippter Doppelmagnetanordnung

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DE102016205766.9A DE102016205766A1 (de) 2016-04-07 2016-04-07 Kupplungs- / Getriebebetätigungsvorrichtung und linearer Wegsensor mit gekippter Doppelmagnetanordnung
DE102016205766.9 2016-04-07

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DE102016214535A1 (de) 2016-08-05 2018-02-08 Schaeffler Technologies AG & Co. KG Kupplungss- / Getriebebetätigungsvorrichtung und linearer Wegsensor mit gekippter Doppelmagnetanordnung
DE102018220639A1 (de) * 2018-11-29 2020-06-04 TE Connectivity Sensors Germany GmbH Vorrichtung zur Messung einer Position eines entlang einer Bewegungsrichtung linear beweglichen Objekts, insbesondere Bremspedalsensor
DE102019107342A1 (de) 2019-03-22 2020-09-24 Valeo Schalter Und Sensoren Gmbh Lenkstockschalter für ein Fahrzeug

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DE102011088667A1 (de) 2011-12-15 2013-06-20 Schaeffler Technologies AG & Co. KG Elektromechanische Schaltvorrichtung, insbesondere für ein Schaltgetriebe

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