WO2018108470A1 - Sensor device and method for assembling a sensor device - Google Patents

Sensor device and method for assembling a sensor device Download PDF

Info

Publication number
WO2018108470A1
WO2018108470A1 PCT/EP2017/080046 EP2017080046W WO2018108470A1 WO 2018108470 A1 WO2018108470 A1 WO 2018108470A1 EP 2017080046 W EP2017080046 W EP 2017080046W WO 2018108470 A1 WO2018108470 A1 WO 2018108470A1
Authority
WO
WIPO (PCT)
Prior art keywords
sensor
sensor device
housing
device
rotor
Prior art date
Application number
PCT/EP2017/080046
Other languages
German (de)
French (fr)
Inventor
Roman Schoepe
Ekkehart Froehlich
Original Assignee
Valeo Schalter Und Sensoren Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to DE102016124370.1 priority Critical
Priority to DE102016124370.1A priority patent/DE102016124370A1/en
Application filed by Valeo Schalter Und Sensoren Gmbh filed Critical Valeo Schalter Und Sensoren Gmbh
Publication of WO2018108470A1 publication Critical patent/WO2018108470A1/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L3/00Measuring torque, work, mechanical power, or mechanical efficiency in general
    • G01L3/02Rotary-transmission dynamometers
    • G01L3/04Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
    • G01L3/10Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electrical or magnetic means for indicating
    • G01L3/101Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electrical or magnetic means for indicating involving magnetic or electromagnetic means

Abstract

The invention relates to a sensor device (100) for a rotatable shaft, in particular a steering shaft in a motor vehicle, as well as to a method for assembling a sensor device (100), said sensor device (100) comprising a torque sensor unit (30) for sensing a torque applied to the shaft, and a steering angle sensor unit (40) for sensing an angle of rotation of the shaft; the torque sensor unit (30) includes at least one magnetic mechanism (31) for generating a magnetic field as well as at least one first magnetic sensor (34A, 34B) for generating a sensor signal in accordance with a torque applied to the shaft, while the steering angle sensor unit (40) includes at least one rotor (41) that can be connected to the shaft for conjoint rotation therewith, as well as an angle sensor mechanism for generating at least one sensor signal in accordance with an angle of rotation of the rotor (41); furthermore, the sensor device (100) comprises at least one preassembled subassembly forming a sensor module (10), at least the first magnetic sensor (34A, 34B) of the torque sensor unit (30) and the angle sensor mechanism of the steering angle sensor unit (40) being part of the preassembled subassembly forming the sensor module (10).

Description

 Sensor device as well

 Method for assembling a sensor device

The invention relates to a sensor device for a shaft rotatable about a rotation axis, in particular for a steering shaft of a motor vehicle, wherein the sensor device has a torque sensor device for detecting a torque applied to the shaft and a steering angle sensor device for detecting a rotational angle of the shaft. In this case, the torque sensor device has at least one magnetic device for generating a magnetic field and at least one first magnetic sensor for generating a sensor signal as a function of a torque applied to the shaft. The steering angle sensor device has at least one rotor, which can be connected in a rotationally fixed manner to the shaft, and an angle sensor device for generating at least one sensor signal as a function of a rotational angle of the rotor. Furthermore, the sensor device has at least one module which is preassembled to form a sensor module.

Furthermore, the invention relates to a method for assembling such a sensor device.

Torque sensor devices for detecting a torque applied to a shaft, in particular a torque applied to a steering shaft of a motor vehicle, are known in principle from the prior art. In motor vehicles, they are used in particular to detect a steering torque applied by a driver to the steering shaft. They are used in particular in electric steering systems in order to control the electric drive motor of the steering system, based on the steering torque applied by the driver, for example, in order to be able to provide appropriate, situation-adapted steering assistance.

As a rule, torque sensor devices with a torsion bar with a defined, known torsional rigidity are used, the torsion bar connecting a first part of an axially divided shaft to a second part of the axially divided shaft. If a torque is applied to the shaft, this causes a rotation of the two parts of the shaft to each other by a measurable angle of rotation, the angle of rotation depending on the applied torque and the stiffness of the Torsionsstabes sets so that from the detected angle of rotation at a defined, known stiffness of the torsion bar, the applied torque can be determined.

Various measuring principles and sensor arrangements are known for measuring the angle of rotation resulting as a result of an applied torque. Magnetic sensor systems are generally used, in which a circumferential ring magnet, usually designed as a permanent magnet, is non-rotatably connected to the first part of the steering shaft as part of a magnetic device and in which a stator device with a stator holder, to which two magnetically conductive stator elements are usually attached, is non-rotatably connected to the second part of the shaft. The stator device, in particular the two stator elements, are usually arranged concentrically around the ring magnet of the magnet device in the radial direction with a small air gap. Via the stator device, in particular the two stator elements, the magnetic flux of the ring magnet of the magnetic device, in particular by means of additional components in the form of so-called flux guides, to a torque magnetic sensor, such as a Hall sensor, and the generated signal to determine the applied Torque can be evaluated.

When the ring magnet rotatably connected to the first part of the shaft is moved by rotation of the shaft relative to the stator means connected to the second part of the shaft, the magnetic flux density in the stator elements changes, which can be detected by the torque magnetic sensor. The change in the magnetic flux density in the stator is u.a. depending on the magnitude of the relative movement of the ring magnet relative to the stator means, i. from the angle of rotation. Thus, it can be concluded from the change in the detected flux density to the angle of rotation and turn from the angle of rotation can be determined with knowledge of the torsional stiffness of the torsion bar, the torque applied to the shaft.

Generic torque sensor devices are known, for example, from DE 103 46 332 A1 or EP 1 584 908 A2. Steering angle sensor devices are also known in principle from the prior art, in particular steering angle sensor devices, which have a rotor and an angle sensor device with a transmission for detecting a rotational angle of the rotor, for example from DE 10 2008 01 1 448 A1 or DE 195 06 938 A1 or DE 199 62 241 A1.

The steering angle sensor devices, which are described in the last three documents DE 10 2008 01 448 A1, DE 195 06 938 A1 and DE 199 62 241 A1, each have a rotatably connectable to the shaft rotor with a ring gear and an angle sensor device, wherein the angle sensor device comprises a transmission with usually two smaller gears, each having a permanent magnet, via which the rotational movement of the shaft to one, the permanent magnet of the gears associated magnetic sensor can be transmitted, by means of which in each case the rotation of the associated gears are detected can. In this case, the two gears have different numbers of teeth and are each coupled with a defined ratio with the rotor, so that from the detected angles of rotation of the two small gears, in particular according to the vernier principle, the angle of rotation of the shaft can be determined.

In addition, sensor devices are known from the prior art, which both have a generically configured, previously described torque sensor device and a generically configured, above-described steering angle sensor device. Such combined sensor devices are known, for example, from DE 10 2010 033 769 A1, DE 10 2012 024 382 A1, DE 10 2012 24 383 A1 or DE 10 2012 025 280 A1.

Already due to the many components, the assembly of a combined sensor device is relatively complex. A major challenge is, above all, to arrange the individual components precisely and precisely to one another, in particular to arrange the stator elements of the stator devices or the flux guides of the torque sensor device with a defined gap relative to the associated torque magnetic sensor and the permanent magnets of the gears of the angle sensor device precisely and with a to arrange defined gap with respect to the respective associated magnetic sensors of the angle sensor device. If a previously described sensor device is designed to operate within a steering gear housing, in which the steering shaft is also included. At least partially stored, to be arranged, the complexity increases in this regard even further and the requirements regarding the dimensional accuracy of the individual components of the sensor device and their position accuracy continue to increase.

In order to avoid a dimensional over-determination when installed in the steering gear housing, some of the known from the prior art sensor devices are therefore designed to be stored floating in the steering gear housing, the sensor devices often with a sensor device almost completely surrounding housing into the steering gear housing be used.

The required for the floating mounting of the sensor device distance to the steering gear housing and the often also almost completely arranged in the interior of the steering gear housing connector terminal of the sensor device require a considerable amount of space.

It is therefore an object of the invention to provide an alternative sensor device, preferably an improved sensor device, in particular a sensor device, which allows a simplified assembly or a simplified assembly and preferably has a reduced space requirement compared to comparable, known from the prior art sensor devices. Moreover, it is a further object of the invention to provide a corresponding method for assembling such a sensor device.

This object is achieved by a sensor device according to the invention and by an inventive method according to the respective independent patent claims. Advantageous embodiments of the invention are the subject of the dependent claims, the description and the figures and are explained in more detail below.

A sensor device according to the invention is characterized in that at least the first magnetic sensor of the torque sensor device and the angle sensor device of the steering angle sensor device are part of the module pre-assembled to the sensor module. This makes it possible in a particularly simple manner to achieve a particularly simple assembly of a sensor device according to the invention, in particular a precisely positionally precise arrangement of the first magnetic sensor of the torque sensor device with respect to the other components of the torque sensor device and a particularly positionally accurate and precise arrangement of the angle sensor device of the steering angle sensor device, based on a Functional state of use of the sensor device according to the invention.

A sensor device according to the invention is in particular for connection to a shaft rotatable about a rotation axis, in particular for connection to a steering shaft of a motor vehicle, wherein the shaft is preferably divided into at least a first part and a second part, wherein the first part and the second Part in particular via a torsion bar, which extends in the axial direction between the first part of the shaft and the second part of the shaft and having a defined, known torsional stiffness, are connected to each other.

For the purposes of the invention, a sensor module is understood to mean an assembly which has at least one sensor, preferably at least one sensor and a printed circuit board.

The torque sensor device of a sensor device according to the invention is preferably designed to provide a torque signal. Alternatively and / or additionally, the raw signal generated by the first magnetic sensor can also be provided.

The magnetic device of the torque sensor device of a sensor device according to the invention is preferably designed as usual in the generic torque sensor devices known from the prior art. For further embodiments, in particular with regard to possible embodiments and the mode of operation, reference is made to EP 0 980 081 B1, EP 1 123 794 and in particular to DE 10 2013 006 567 A1.

The steering angle sensor device of a sensor device according to the invention is preferably also designed in principle as known from the prior art, wherein for further information, in particular with regard to more detailed Explanations on the possible configuration and operation of the steering angle sensor device, in particular to the previously mentioned in DE 10 2008 01 1 448 A1, DE 195 06 938 A1, DE 10 2010 033 769 A1, DE 10 2012 024 382 A1, the DE 10 2012 024 383 A1 and DE 10 2012 025 280 A1.

The rotor of a sensor device according to the invention is designed to be rotatably connected to the shaft. The rotor may be either directly, i. directly, without another element in between, or indirectly via another component, in particular via another component of the sensor device according to the invention, are connected to the shaft, wherein the rotor preferably via the magnetic device of the torque sensor device or via a stator of the torque sensor device rotationally fixed to the shaft can be connected.

The steering angle sensor device, in particular the angle sensor device of the steering angle sensor device, is preferably designed to provide an absolute rotational angle signal. Alternatively and / or additionally, however, the raw signals of the rotor angle signals generated by the second magnetic sensor and by the third magnetic sensor can also be provided.

In an advantageous embodiment of a sensor device according to the invention, the first magnetic sensor of the torque sensor device and the angle sensor device of the steering angle sensor device are received by a common sensor module housing. That is, preferably, the first magnetic sensor of the torque sensor device and the angle sensor device are at least partially disposed within a common sensor module housing and stored in particular in this. In this case, the sensor module housing is preferably designed such that the components of the sensor module, in particular the first magnetic sensor of the torque sensor device and the angle sensor device of the steering angle sensor device respectively can cooperate with the remaining components of the sensor device to fulfill the respective functions of the associated sensor device.

Preferably, in a sensor device according to the invention, the angle sensor device has at least one first transmission element, which together with the rotor of the steering angle sensor device is part of a transmission or forms a transmission and is in a functional use state of the sensor device with the rotor engaged, wherein the angle sensor device is preferably adapted to generate in response to the rotation angle of the first transmission element, a first rotor angle sensor signal.

For this purpose, the rotor preferably has a toothed rim, in particular an externally toothed ring gear, and the first gear element is preferably designed as a toothed wheel. In particular, an axis of rotation of the first transmission element of the angle sensor device runs parallel to the axis of rotation of the shaft relative to a state in which the sensor device according to the invention is connected to a shaft from which torque and angle of rotation are to be detected by means of the sensor device. In this case, an incremental steering angle of the rotor can be determined by means of the first gear element, i. the number of revolutions of the rotor.

In order for the rotor to be able to engage with the first transmission element unhindered, in particular to mesh with the first transmission element of the angle sensor device, the sensor module housing preferably has a correspondingly formed recess, and the individual components of the sensor device according to the invention are preferably designed and used in a functional state of use Sensor device disposed within the sensor device such that either the rotor protrudes into the sensor module housing and thus is an engagement zone between the rotor and the first gear member within the sensor module housing or the first gear member protrudes from the sensor module housing and thus the engagement zone is outside the sensor module housing.

In a sensor device according to the invention, the first transmission element of the angle sensor device preferably has a permanent magnet, and the sensor device, in particular the angle sensor device, has a second magnetic sensor for generating the first rotor angle sensor signal as a function of the angle of rotation of the first transmission element. This can be detected in a particularly simple manner by means of the first transmission element of the rotation angle of the rotor or the number of rotor revolutions.

For a precise determination of the angle of rotation of the rotor, in particular for the determination of the absolute angle of rotation of the rotor, has in a further advantageous embodiment staltung a sensor devices according to the invention, the angle sensor device at least a second transmission element, which forms a gear with the rotor and the first transmission element, wherein the second transmission element in a functional use state of the sensor device preferably with the rotor and / or the first transmission element is engaged and wherein the Angle sensor device is designed in particular to generate a second rotor angle sensor signal in response to the rotation angle of the second transmission element.

The second transmission element of the angle sensor device makes it possible to determine the angle of rotation of the rotor according to the vernier principle. The determination of the angle of rotation of the rotor in this manner and thus the determination of the angle of rotation of a shaft connected to the sensor device is basically known from the prior art. For more detailed explanations, in particular as to how precisely the rotor angle and thus the angle of rotation of the shaft can be calculated and thus determined on the basis of the first rotor angle sensor signal and the second rotor angle sensor signal, reference is made in particular to DE 195 06 938 A1 and DE 199 62 241 A1 in which the calculation of the rotor angle is described in detail as a function of a first rotor angle sensor signal and a second rotor angle sensor signal that have been generated by a generic steering angle sensor device.

In the aforementioned document DE 195 06 938 A1 discloses further, which ratios between the rotor and the first gear element and the second gear element of the angle sensor device are advantageous or suitable.

As already described in connection with the first transmission element, the sensor module housing is preferably designed in this case and the individual components of the sensor devices according to the invention are also preferably designed and arranged accordingly that the second transmission element unhindered with the rotor and / or the first transmission element can comb. The engagement zone between the second transmission element and the rotor and / or the first transmission element can also be either within the sensor module housing or outside of this.

Preferably, the rotor is arranged with the first gear element and / or the second gear element of the angle sensor device in a common plane, wherein the permanent magnets of the gear elements is preferably arranged in each case with a defined gap to the associated second or third magnetic sensor. If an axial distance between the magnetic sensor and the engagement plane or the driven plane to the rotor is to be bridged, the gear elements can each have a correspondingly long shaft in the axial direction in order to bridge this distance, preferably at one end of the shaft in the axial direction the transmission element is arranged and at the other end of the shaft, in particular the permanent magnet.

In order to produce a second rotor angle sensor signal in a particularly simple manner as a function of the rotational angle of the second gear element, in a sensor device according to the invention preferably the second gear element of the angle sensor device also has a permanent magnet and the sensor device, in particular the angle sensor device at least a third magnetic sensor for generating of the second rotor angle sensor signal as a function of the angle of rotation of the second transmission element.

A particularly advantageous embodiment of a sensor device according to the invention results when the first magnetic sensor of the torque sensor device is arranged together with the second magnetic sensor of the steering angle sensor device and / or the third magnetic sensor of the steering angle sensor device on a common, preferably also received by the sensor module housing and the sensor module associated circuit board. In this case, the printed circuit board is preferably arranged in relation to a functional state of use of the sensor device such that its printed circuit board plane extends perpendicular to the axis of rotation of the shaft. That is to say, in the case of a sensor device according to the invention, a common printed circuit board is preferably provided for receiving the first magnetic sensor of the torque sensor device and the two magnetic sensors of the steering angle sensor device, wherein the printed circuit board is in particular part of the module pre-assembled to the sensor module and preferably extends perpendicular to the axis of rotation of a shaft connectable to the sensor device ,

In a further advantageous embodiment of a sensor device according to the invention, the torque sensor device has a stator device for collecting the magnetic flux of the means of the magnetic device of the torque sensor device generated magnetic field, wherein the rotor of the steering angle sensor device is preferably non-rotatably connected to the stator or non-rotatably connected to the magnetic means of the torque sensor device.

The stator means of a sensor device according to the invention preferably comprises a stator holder, by means of which the stator means can be non-rotatably connected to a part of the shaft, and preferably two separate, i. separately formed stator elements fastened to the stator holder, wherein each stator element preferably has either a cylinder jacket-shaped or radially outwardly extending annular disk-shaped region in the form of a stator ring and a multiplicity of axially extending tabs which are distributed uniformly in the circumferential direction. In this case, the stator elements are preferably mounted on the stator holder in such a way that the lugs of the two stator elements mesh with one another like a comb. The rotor of a sensor device according to the invention can be arranged in the axial direction either between the stator elements or outside of these.

The stator device of a sensor device according to the invention is preferably designed according to a stator device described in DE 10 2015 122 171 .3, in particular according to a starter module according to the invention described in DE 10 2015 122 171 .3, DE 10 2015 122 171 .3 hereby by express reference to the content of the description.

In this case, in the case of a stator device of a sensor device according to the invention, the two stator elements can each be fixed in the axial direction by means of a fixing ring on the stator holder. If a sensor device according to the invention has a stator device designed in this way, the rotor can be connected in a particularly simple manner to the stator device in a rotationally secure manner and in this way be connected to the shaft in a particularly easily rotatable manner, namely via the stator holder of the stator device.

Are rotor and stator device of a sensor device according to the invention designed to be rotatably connected to each other, wherein the rotor can be preferably rotatably attached to the stator, are in a sensor according to the invention Sorvorrichtung preferably the rotor and the stator device to a stator module forming module pre-assembled.

Instead of being premounted to form an assembly in the form of a stator module, in a further advantageous embodiment of a sensor device according to the invention, the rotor and the stator device, in particular the rotor and the stator holder, can also be produced integrally, wherein the rotor preferably contains plastic and in particular to the Statoreinrichtung, preferably the stator holder is molded. That is, preferably, the rotor is made in the same operation as the stator holder. In other words, the stator holder and the rotor are preferably produced using the same injection molding tool, in which, in particular, the stator elements can be inserted as inserts and in this way can be connected to the stator holder and the rotor to form a stator module as a stator module.

In an alternative but also advantageous embodiment of a sensor device according to the invention, the rotor with the magnet device forms a magnet module, wherein the rotor preferably contains plastic and in particular is molded onto the magnet device. That Preferably, in a sensor device according to the invention, the rotor has either been preassembled with the magnetic device to form a magnetic module or produced as a magnetic module or else preassembled with the stator device to form a stator module or produced as a stator module.

In a further advantageous embodiment of a sensor device according to the invention, the sensor device, in particular the torque sensor device, at least one flux guide for forwarding the magnetic flux to the first magnetic sensor, wherein the at least one flux conductor is preferably made by forming from a flat band or a wire, in particular in one piece.

Advantageous embodiments of a flux guide manufactured in one piece by deformation, in particular for a sensor device according to the invention, are described in particular in DE 10 2016 124 330.2 and DE 10 2016 124 331 .0, which are hereby made the content of the description by express reference.

Integral flux guides made by forming are particularly advantageous for reasons of cost, since only a small amount of waste is produced in this type of production. Because of the high cost of materials for the soft magnetic materials from which a flux guide is preferably made, clearly noticeable.

At least one of the flux conductors in this case has, relative to a functional use state of the torque sensor device about the axis of rotation of the shaft cylinder jacket or ring disk or ring segment-shaped circumferentially extending flux conductor body, in particular for collecting a magnetic flux of the stator, and at least a first, from the flux conductor body Outer protruding tab, preferably for forwarding the collected magnetic flux to a first magnetic field sensor of the torque sensor device, in particular two tabs.

Alternatively, the described flux conductor can also be embodied as a one-piece stamped and bent part, wherein after punching out first the flux conductor tabs and then the flux-cylinder body extending in the circumferential direction of the axis of rotation of the shaft cylindrical-wall or ring-segment-shaped flux guide body is formed by a bending process.

In a further advantageous embodiment of a sensor device according to the invention, the flux guide is open in the circumferential direction. This allows a particularly simple and above all flexible installation, in particular a flexible assembly order.

In an alternative embodiment of a sensor device according to the invention, the flux guide is closed in the circumferential direction. As a result, a particularly stable flux guide, in particular a mechanically particularly robust flux guide, can be provided. However, such a trained flux guide requires a specific order in the assembly of a sensor device according to the invention.

In a further advantageous embodiment of a sensor device according to the invention, the sensor device has a sensor housing, wherein the sensor housing is preferably designed for receiving the individual components of the sensor device.

In a further advantageous embodiment of a sensor device according to the invention, wherein preferably at least one flux guide in a functional use state of the sensor device is arranged concentrically to the stator and this preferably at least partially engages from the outside, is at least one Flow conductor stored in the sensor housing, preferably set in the sensor housing. Particularly preferably, all flux conductors of a sensor device according to the invention are mounted in the sensor housing and in particular fixed in the sensor housing. Preferably, the sensor device is designed in such a way that the at least one flux guide is received in a stationary manner and in particular at a distance from the stator device without a sliding bearing between the sensor housing.

As a result, a precise positioning of at least one flux guide, in particular all flux guides, relative to the respective first magnetic sensors of the torque sensor device can be achieved in a simple manner via the sensor housing. Preferably, the flux guide is held by the sensor housing. For this purpose, the flux guide may for example be glued to the sensor housing and / or held by terminals in the sensor housing.

However, particularly preferably, at least one flux guide is produced integrally with the sensor housing and in particular forms an insert part, which has been encapsulated at least partially with the material of the sensor housing in the production of the sensor housing.

In an alternative embodiment of a sensor device according to the invention, wherein also at least one flux guide is arranged in a functional use condition of the sensor device concentric with the stator and this preferably at least partially engages from the outside, at least one flux guide is not stored in the sensor housing, but on the stator in the radial direction a sliding bearing supported, wherein the flux guide is secured in this case, preferably by means of the sensor housing against rotation. For this purpose, the sensor housing preferably has one or more projections and / or recesses on which the flux guide is supported in the circumferential direction in such a way that rotation is prevented.

In a further advantageous embodiment of a sensor device according to the invention, the sensor housing, based on a functional use state of the sensor device, a extending in the radial direction insertion opening for the sensor module. In this case, in a functional state of use of a sensor device according to the invention, the sensor module is inserted into the recess in the radial direction. Inserted plug-in opening, preferably inserted, in particular such that in a functional use state of the sensor device is at least one flux guide of the torque sensor device is positioned relative to the first magnetic sensor and / or the rotor of the steering angle sensor device defined against the angle sensor device is positioned.

In a further advantageous embodiment of a sensor device according to the invention, the sensor housing, based on a functional use state of the sensor device, extending in the axial direction through hole for the shaft, wherein in a functional use state of the sensor device, the magnetic device and / or the stator and / or the Rotor is rotatably mounted in the through hole of the sensor housing and preferably fixed in the axial direction, wherein the magnetic device and / or the stator device and / or the rotor have been at least partially introduced in the axial direction in the sensor housing, preferably after the magnetic device and / or the Stator and / or the rotor have been rotatably connected to the shaft. In this case, the magnet device and / or the stator device and / or the rotor have been introduced at least partially in the axial direction into the sensor housing such that in a functional state of use of the sensor device at least one flux guide of the torque sensor device is positioned relative to the first magnetic sensor and / or the Rotor defined with respect to the angle sensor device is positioned.

If, in a sensor device according to the invention, the rotor and the stator device have been preassembled to form a stator module or form a stator module, the stator module is preferably inserted into the sensor housing at least partially in the axial direction, instead of the individual components. If, on the other hand, the rotor and the magnet device are preassembled to form a magnet module or form a magnet module, the magnet module has accordingly been introduced at least partially in the axial direction into the sensor housing.

In a further advantageous embodiment of a sensor device according to the invention, the sensor housing and at least one flux guide are part of a further module preassembled to form a sensor housing module, wherein in particular, based on a functional use state of the sensor device, the sensor module and / or the magnetic device and / or the stator device and / or the rotor have been introduced into the sensor housing only in the axial direction, after the sensor housing has been preassembled with at least one flux guide to a sensor housing module.

In a further advantageous embodiment of a sensor device according to the invention, the sensor housing is part of another housing, preferably part of a connectable to a vehicle body of a motor vehicle housing, in particular part of a steering gear housing, or even forms a connectable to the vehicle body of a motor vehicle housing. That is, preferably, the individual components of the sensor device can be arranged directly in a connectable to the vehicle body of a motor vehicle housing, in particular directly in a steering gear housing, provided that the steering gear housing forms the sensor housing.

In an alternative, advantageous embodiment of a sensor device according to the invention, the sensor housing is designed for arrangement in a further housing, in particular for arrangement in a connectable to a vehicle body of a motor vehicle housing, in particular for arrangement in a steering gear housing, wherein the sensor housing, based on a functional use state of Sensor device, preferably in the radial direction in the other housing is inserted, in particular can be inserted. That In other words, that in an alternative, but also advantageous embodiment of a sensor device according to the invention, the sensor housing is adapted to be received by a further housing, in particular a steering gear housing. In this case, the sensor housing can preferably be inserted in the radial direction into the further housing, in particular, with respect to a functional use state of the sensor device.

For this purpose, the further housing preferably has a passage opening formed corresponding to the passage opening of the sensor housing and is in particular designed such that after insertion of the sensor housing the passage opening of the sensor housing and the passage opening of the further housing are preferably concentric with each other and, based on a functional use state of the sensor device, are arranged concentrically to the axis of rotation of the shaft and in particular are formed substantially congruent to each other, so that after the insertion of the sensor housing in the further housing, the magnetic device and / or the stator device and / or the rotor, as described above in connection with the sensor housing, in the axial direction in the sensor housing can be at least partially inserted and preferably rotatable in the through hole of the sensor housing stored and can be fixed in particular in the axial direction in the sensor housing.

It goes without saying that the sensor housing in this case can only be inserted into the further housing when the shaft and / or the magnet device and / or the stator device and / or the rotor is not yet passed through the passage opening of the sensor housing. are introduced.

Such a trained, especially in another housing plug-in sensor housing allows a particularly space-saving recording in another housing. Further, the sensor housing can be formed in this case such that there is a connector terminal outside the steering gear housing, which in particular within the steering gear housing a considerable space can be obtained.

A method according to the invention for assembling a sensor device, in particular a sensor device according to the invention, is characterized by the steps:

 Providing the components of the sensor device,

 Pre-assembling at least the first magnetic sensor of the torque sensor device and the angle sensor device of the steering angle sensor device to a module forming a sensor module, and

 - Assemble the remaining components of the sensor device with the sensor module to the sensor device.

This can be provided in a particularly simple manner, a particularly easy to assemble sensor device, in particular a sensor device in which the individual components can be positioned precisely and accurately to each other in a simple manner, in particular the components of the torque sensor device relative to the first magnetic sensor and the rotor opposite the angle sensor device. In an advantageous embodiment of a method according to the invention, in a further method step, the stator device of the torque sensor device and the rotor of the steering angle sensor device are preassembled to form a stator module, wherein the stator module is subsequently assembled to the sensor module and the remaining components of the sensor device to the sensor device.

Alternatively, the stator device and the rotor can already be produced integrally as a stator module or manufactured as a stator module and then subsequently assembled with the sensor module and the remaining components of the sensor device to the sensor device. Alternatively, the rotor with the magnetic device can also be preassembled or manufactured to form a magnet module and subsequently assembled with the sensor module and the remaining components of the sensor device for the sensor device.

In a further advantageous embodiment of a method according to the invention, wherein the sensor device has a sensor housing, which is designed for arrangement in a further housing, in particular for arrangement in a connectable to a vehicle body of a motor vehicle housing, in particular for arrangement in a steering gear housing, the sensor housing is in a further method step in the further housing, wherein the sensor housing is preferably inserted in relation to a functional use state of the sensor device in the radial direction in the further housing, in particular plugged.

If the sensor housing itself can be fastened to the vehicle body of a motor vehicle, this method step can be omitted. Also eliminates this process step when the sensor housing is part of a particular attachable to the vehicle body steering gear housing.

In a further advantageous embodiment of a method according to the invention, wherein the sensor device has a sensor housing which, based on a functional use state of the sensor device, has a passage opening extending in the axial direction for a shaft, in a further method step, the magnetic device and / or the stator device and / or the rotor rotates stored in the through hole of the sensor housing and preferably fixed in the axial direction, wherein the magnetic device and / or the stator device and / or the rotor is at least partially introduced in the axial direction in the sensor housing, preferably after the magnetic device and / or the stator device and / or the rotor has been connected to the shaft in a rotationally fixed manner and / or after the sensor housing has been arranged in the further housing, wherein the magnet device and / or the stator device and / or the rotor is in particular at least partially inserted into the sensor housing in the axial direction, in a functionally appropriate state of use of the sensor device, at least one flux guide of the torque sensor device is positioned relative to the first magnetic sensor and / or the rotor is positioned in a defined manner relative to the angle sensor device.

If the rotor is already rotatably connected to the stator device or the magnet device and thus part of a stator or magnet module, the stator module and / or the magnet module is correspondingly at least partially inserted into the sensor housing instead of the individual components.

In a further advantageous embodiment of a method according to the invention, wherein the sensor device has at least one flux guide, in a further method step at least one flux guide is mounted in the sensor housing, preferably fixed in the sensor housing, in particular in the interior of the sensor housing in the region of the passage opening, wherein the flux guide preferably in the Sensor housing is introduced before the magnetic device and / or the stator device and / or the rotor or the stator module and / or the magnetic module, at least partially inserted in the axial direction in the sensor housing. In particular, all flux conductors are arranged in the sensor housing. Preferably, the sensor housing and at least one flux guide, in particular all flux conductors, thereby preassembled into a sensor housing module.

In a further advantageous embodiment of a method according to the invention, wherein the sensor housing, based on a functional use state of the sensor device, has an insertion opening extending in the radial direction for the sensor module, in a further method step, the sensor module is inserted into the insertion opening in the radial direction, preferably inserted in particular such that, in a functional condition of use, the sensor device at least one flux guide of the torque sensor device is positioned relative to the first magnetic sensor and / or the rotor of Lenkwinkelsensoreinrich- device is positioned relative to the angle sensor device, wherein the sensor module is preferably inserted into the sensor housing after the magnetic device and / or the stator device and / or the rotor has been at least partially introduced into the sensor housing in the axial direction.

In an alternative embodiment of a method according to the invention, the sensor module can also first be plugged into the housing, either the sensor housing or the further housing, in the radial direction and then the magnet device and / or the stator device and / or the rotor or the magnet module and / or or the stator module. However, in this case, it must be ensured that the rotor can be brought into engagement at least with the first gear element of the angle sensor device, preferably with the first gear element and the second gear element of the angle sensor device. In this case, it is advantageous if at least the first gear element, preferably the first gear element and the second gear element, if the second gear element is also to be brought into engagement with the rotor, from the sensor module housing in the radial direction inwards, that is to the axis of rotation Shaft out, based on a functional use condition of the sensor device protrude or protrude.

A sensor device according to the invention is particularly suitable for use in a motor vehicle with a divided into a first part and a second part steering shaft having a torsion bar in the axial direction therebetween, the torsional stiffness is defined and known, wherein in a functional installation state of a sensor device according to the invention Preferably, the magnetic device of the sensor device is rotatably connected to the first part of the steering shaft and the stator of the sensor device is rotatably connected to the second part of the steering shaft.

The advantageous embodiments presented with reference to a sensor device according to the invention and their advantages also apply correspondingly to a method according to the invention and to a motor vehicle according to the invention. Further features of the invention will become apparent from the claims, the figures and the description of the figures. All features and feature combinations mentioned above in the description and the following features and feature combinations mentioned in the description of the figures and / or shown alone in the figures can be used not only in the respectively indicated combination but also in other combinations or alone, if this is technically possible makes sense.

The invention will now be explained in more detail with reference to two advantageous embodiments with reference to the accompanying drawings.

They show schematically:

1 a shows a first exemplary embodiment of a sensor device according to the invention in a functional state of use in a perspective representation,

1 b shows the sensor device according to the invention from FIG. 1 a in an exploded view,

Fig. 1 c two flux conductors for a sensor device according to the invention in an alternative embodiment in a single representation

2a shows two flux guides for a sensor device according to the invention in a further alternative embodiment in single part illustration and

2b shows a second embodiment of a sensor device according to the invention in exploded view with the flux conductors of Fig. 2a.

1 a shows a first exemplary embodiment of a sensor device 100 according to the invention in a functionally assembled, assembled use state, but without an associated steering shaft and a steering gear housing 60 configured to receive the sensor device 100 (see FIG. The sensor device 100 according to the invention in this case has a torque sensor device 30 and a steering angle sensor device 40, wherein the torque sensor device 30 has a magnetic device 31 and a stator 33 and two flux conductors 32A and 32B, which in this embodiment of a sensor device 100 according to the invention in the axial direction R1 at least partially in an inventive sensor housing 20, in particular in a through hole 21 of the sensor housing 20 are inserted and are mounted in the sensor housing 20, wherein the two flux conductors 32A and 32B are fixed in the sensor housing 20 by clamping and the magnetic device 31 A and the stator 33 each rotatable are arranged opposite the sensor housing 20 within the sensor housing 20.

The torque sensor device 30 of the sensor device 100 according to the invention is designed for connection to a divided into a first part and a second part, not shown here, in particular a split steering shaft, wherein the first part of the shaft and the second part of the shaft in the axial direction by means of a Torsionsstabs are known with torsional stiffness connected to each other, so that the first part of the shaft and the second part are rotated against each other when a torque is applied to the shaft.

The angle of rotation that arises in the process is proportional to the torque applied to a suitable torsion bar, so that it is possible to draw conclusions about the torque when measuring the applied torsion angle and knowing the torsional stiffness of the torsion bar. The torque sensor device 30 of the sensor device 100 according to the invention is designed to detect the angle of rotation or rather to generate a sensor signal which is dependent on the angle of rotation and in particular proportional thereto.

For this purpose, the torque sensor device 30 has a magnetic device 31, which can be connected by means of a sleeve 31 B rotatably connected to the first part of the shaft. On the sleeve 31 B, a ring magnet 31 A is fixed, which can be arranged in the axial direction R2 concentric with the stator elements 33A and 33B of a stator 33 with a defined gap therebetween. For further details regarding the closer embodiment of a magnetic device, in particular an advantageous embodiment for magnetic device, reference is made to DE 10 2013 006 567 A1, DE 10 2015 1 16 545.7, DE 10 2015 122 182.9 and DE 10 2015 122 176.4, which show particularly advantageous embodiments of a magnetic device for a torque sensor device.

The stator device 33, which is also part of the torque sensor device 30, can be non-rotatably mounted on the second part of the shaft via a sleeve-shaped portion 33E of a stator holder 33C to which the stator elements 33A and 33B are fixed and fixed in the axial direction by fixing rings 33D ,

The two stator elements 33A and 33B are made of a soft magnetic material, in particular of soft magnetic metal, and adapted to receive the magnetic flux of the magnetic field generated by the ring magnet 31 A, in particular to collect and forward. If a torque is applied to the shaft, not shown here, connected to the torque sensor device 30 and causes a rotation of the first shaft part relative to the second shaft part, this leads to a rotation of the non-rotatably connected to the first shaft part magnetic device 31, in particular of the ring magnet 31 A. the stator device 33 which is non-rotatably connected to the second shaft part, in particular with respect to the two stator elements 33A and 33B. As a result, the magnetic flux in the stator elements 33A and 33B changes, which can be detected by means of magnetic sensors, in particular by means of the first magnetic sensors 34A and 34B of the torque sensor device.

In order to transmit the magnetic flux collected in the stator elements 33A and 33B to the first magnetic sensors 34A and 34B, the sensor device 100 of the present invention comprises the two flux conductors 32A and 32B already mentioned and also made of a soft magnetic metal, each in a functional condition of use the sensor device 100 according to the invention encompass an adjacent stator element 33A or 33B in the manner of a cylinder jacket (cf., FIG. 1 b).

For further details or details regarding the configuration of the stator elements 33A and 33B, reference is made to DE 10 2015 122 171 .3. The two flux conductors 32A and 32B are clearly visible in FIG. 1 b, which shows the sensor device according to the invention from FIG. 1 a in exploded view and an associated steering gear housing 60 for accommodating the sensor housing 20. The two flux conductors 32A and 32B each have an annular flux guide body 36A and two lugs 35A and 35B, respectively. The flux guide body 36A serves essentially to receive the magnetic flux collected by the adjacent stator element 33A or 33B, while the two tabs 35A and 35B serve in particular to feed the magnetic flux received by the flux conductors 32A and 32B, respectively, to an associated first one Magnetic sensor 34 A and 34 B of the torque sensor device to transmit.

The two flux conductors 32A and 32B are arranged spaced apart in the radial direction relative to the stator elements 33A and 33B, respectively, in such a way that no slide bearing is necessary therebetween. Although this requires somewhat more installation space in the radial direction than in the case of a sensor device in which the flux conductors are supported on the stator elements via a slide bearing, a sensor device without a slide-mounted flux guide has a lower friction.

In this sensor device 100 according to the invention, the flux conductors 32A and 32B are each made of a flat strip in one piece by forming, wherein the tabs 35A and 35B are formed in particular by folding or folding and partial folding.

Further, the flux conductors 32A and 32B are formed closed, in which case their ends or the ends of the ribbon have been abutted adjacent to each other and welded together with a butt weld. For further advantageous embodiment possibilities of a flux guide, in particular for a sensor device according to the invention, reference is made in this context to DE 10 2016 124 330.2 and DE 10 2016 124 331 .0, in which particularly advantageous embodiments of flux guides are described, which are particularly well suited for Use in a sensor device according to the invention are suitable.

The flux conductors 32A and 32B or in particular their tabs 35A and 35B are in a functional state of use of the sensor device according to the invention 100 thereby arranged with a defined gap in the axial direction R1 opposite to the first magnetic sensors 34A and 34B.

The first magnetic sensors 34A and 34B each serve to detect the magnetic flux collected by means of the two flux conductors 32A and 32B and to generate a torque sensor signal in response thereto, the magnetic flux being dependent on a torque applied to the torque sensor device 30 connected shaft torque applied changes.

The steering angle sensor device 40 of the sensor device 100 according to the invention are associated with a rotor 41 and an unspecified angle sensor device with a first gear element 42 and a second gear element 43 (see FIG. 1 b) and a second magnet sensor 42B, not shown here, and third Magnetic sensor 43B, wherein the first transmission element 42 and the second transmission element 43 are each formed as a gear and are arranged with the rotor 41 in a common plane. The first gear 42 meshes with the rotor 41 with a defined translation, while the second gear 43, which has a different number of teeth from the first gear 42, with the first gear 42 meshes.

FIG. 1 b shows an exploded view of the sensor device 100 for a better understanding of the construction of the sensor device 100 according to the invention, by means of which the individual components and their arrangement within the sensor device 100 are clearly recognizable. In particular, the first transmission element 42, which meshes with the rotor 41 of the steering angle sensor device 40 in the functional state of use of the sensor device 100 according to the invention, and in particular lies in one plane therewith, and the second transmission element 43, which is likewise designed as a gear, and with the first transmission element 42 combs, to recognize well.

The two gear elements 42 and 42 or the two gears 42 and 43 of the angle sensor device, which is part of the steering angle sensor device 40, each have a permanent magnet not shown here, wherein the permanent magnet of the first gear 42 with a defined gap in the axial direction R1 is arranged opposite to the second magnetic sensor 42B and the permanent magnet of the second gear 43 with a defined gap in the axial direction relative to the third magnetic sensor 43B, so that in each case depending on the rotational angle of the respective Transmission element 42 and 43, a first rotor angle sensor signal and a second rotor angle sensor signal can be generated, from which the absolute rotation angle of the rotor 41 and thus the rotation angle of a rotatably connected to the rotor 41 shaft can be determined.

The two gears 42 and 43 are inventively preassembled together with the first magnetic sensors 34A and 34B of the torque sensor device to form an assembly in the form of a sensor module 10 and received by a common sensor module housing 1 1, in particular stored in this, wherein the sensor module housing 1 1 in this case from a first sensor module housing part 1 1 A and a second sensor module housing part 1 1 B is composed.

The two gear elements 42 and 43 or in particular the gears 42 and 43 form with their permanent magnets and the associated second magnetic sensor 42B and the associated third magnetic sensor 43B, the angle sensor device of the steering angle sensor device 40, wherein the two magnetic sensors 42B and 43B of the angle sensor device together with the two first magnetic sensors 34A and 34B of the torque sensor device 30 arranged on a common printed circuit board 14, which is also received by the sensor module housing 1 1 and part of the invention according to the invention to a sensor module 10 pre-assembled assembly.

For forwarding the torque sensor signals generated by the first magnetic sensors 34A and 34B and the steering angle signal generated from the first rotor angle sensor signal and the second rotor angle sensor signal, for example to a steering control device of a motor vehicle, the sensor module 10 further comprises plug contacts 12 and a connection 13 for a connector over which the circuit board 14 can be contacted with a controller.

So that the first gear member 42 can be brought into engagement with the rotor 41 in a functional use state, the sensor module housing 1 1, based on the illustration in FIGS. 1 a and 1 b, on its underside a corresponding recess, from which the first transmission element 42 protrudes in a functional use state of the sensor device 100 according to the invention (see in particular Fig. 1 a), so that an engagement zone between the rotor 41 and the first transmission element 42 is outside the sensor module housing 1 1. Alternatively, the rotor 41 can protrude into the sensor module housing 1 1. However, in this case, the sensor module 10 can thus be introduced into the sensor housing 20 only after the rotor 41, when the sensor housing 20 is designed as in the described embodiment of a sensor device 100 according to the invention.

In this exemplary embodiment of a sensor device 100 according to the invention, the sensor module 10 can be inserted into an insertion opening 22 in the sensor housing 20 in the radial direction R2, in particular such that in a functional state of use of the sensor device 100 at least one flux guide 32A, 32B of the torque sensor device 30 defines the first magnetic sensor 34A, 34B is positioned and / or the rotor 41 of the steering angle sensor device 40 is positioned relative to the angle sensor device.

Furthermore, not only the first magnetic sensors 34A and 34B of the torque sensor device 30 and the angle sensor device with the two gears 42 and 43, the associated permanent magnet, and the associated second magnetic sensor 42B and the third magnetic sensor 43B are each pre-assembled into one assembly but also the stator device 33 with the rotor 41, wherein the rotor 41 in this case is integrally formed with one of the fixing rings 33D of the stator 33 and forms together with the mounted stator 33 a preassembled module 50 in the form of a stator module 50.

The sensor housing 20 further has, based on a functional use state of the sensor device 100, an axially extending through hole 21 for the shaft, wherein in a functional use state of the sensor device 100, the magnetic device 31 and / or the stator module 50 rotatably in the through hole 21st the sensor housing 20 can be mounted and fixed in the axial direction, wherein the magnetic device 31 and / or the stator module can be at least partially inserted in the axial direction in the sensor housing, preferably after the magnetic device 31, the stator module 50 have been rotatably connected to the shaft. In this case, the magnet device and / or the stator module 50 can in particular be introduced at least partially in the axial direction into the sensor housing such that in one in accordance with the functional state of use of the sensor device 100, at least one flux guide 32A, 32B of the torque sensor device 30 is positioned relative to a first magnetic sensor 34A, 34B and / or the rotor 41 is positioned relative to the angle sensor device.

The assembly of the sensor device 100 according to the invention is carried out according to the invention by the individual components of the sensor module 10, at least the angle sensor device of the steering angle sensor device 40 and the first magnetic sensors 34A and 34B, and in this case also still the common circuit board 14 and the plug contacts 12, to an assembly, in particular to the sensor module 10, are preassembled, wherein the components of the sensor module are received in this case by a common sensor module housing 1 1.

Furthermore, the rotor 41 and the stator 33 are pre-assembled to a stator module 50. Alternatively, the rotor and the stator device can also be produced integrally as a stator module, in particular by the rotor being made of plastic on the stator holder or containing plastic and molded onto the stator holder or produced therewith in one operation.

Preferably, furthermore, the two flux conductors 32A and 32B are inserted in the radial direction into the sensor housing 20, in particular into the through-opening 21 and fixed in the sensor housing 20 and in this way preassembled with the sensor housing 20 to form a further module in the form of a sensor housing module.

Is the sensor housing 20 as in this case, designed to be arranged in a further housing 60, in this case a steering gear housing 60, as shown in Fig. 1 b, to be arranged, in particular in the radial direction R2, based on a functional use state with a mounted Shaft to be inserted or to be inserted, the sensor housing 20 is preferably first pre-assembled with the flux conductors 32A and 32B defined therein to a sensor housing module and then inserted or inserted in the radial direction in the further housing 60. It is particularly advantageous if the further housing 60 is a steering gear housing. It makes sense that the further housing 60 or the steering gear housing 60 also has a correspondingly formed passage opening 61 for the shaft.

If the sensor housing 20 is plugged into the steering gear housing 60 with the two flux conductors 32A and 32B, the stator module 50 and the magnet device 31 are preferably at least partially inserted into the through-opening 21 of the sensor housing 20 in the axial direction R1 and, in particular, in a functional manner Use state, the stator module 50 is rotatably mounted in the sensor housing 20, the magnetic device as well.

Preferably, the magnetic device 31 and the stator module 50 with the shaft, the sizes of which are to be detected by the sensor device 100, rotatably connected and introduced together with the shaft in the axial direction in the sensor housing 20.

Subsequently, the preassembled sensor module 10 can be inserted into the sensor housing 20, in particular into the insertion opening 22, in particular in the radial direction R2. In this case, the preassembled sensor module 10 is preferably inserted and positioned in the sensor housing 20 in the radial direction R2, that in a functional use state, the first transmission element 42 with the rotor 41 is engaged, in particular with the latter and the first magnetic sensors 34A and 34B of the torque sensor device are respectively positioned opposite the tabs 35A and 35B of the two flux conductors 32A and 32B with a defined gap in the axial direction.

Of course, instead of being arranged in a further housing 60, in particular a steering gear housing 60, the sensor housing of a sensor device according to the invention can also be designed to be attached to the vehicle body of a motor vehicle. Alternatively, the sensor housing may already be part of another housing, in particular a steering gear housing. In this case, the components of a sensor device according to the invention according to the invention in the other housing or the steering gear housing can be arranged according to the same principle, but the arrangement is carried out directly in the other housing or in the steering gear housing. If the second gear element 43 projects downwards out of the sensor module housing 11, the first gear element 42 or, if the second gear element 43 is to mesh with the rotor 41, it is also possible first to mount the sensor module housing 10 in the radial direction R2 into the sensor housing 20 introduce and then introduce the stator 33, the rotor 41 and the magnetic device 31 in the axial direction R1. However, in this case it must be ensured that the ring gear of the rotor 41 can be brought into engagement with the toothed wheel 42 or possibly also with the toothed wheel 43.

In an alternative embodiment of a sensor device according to the invention, the rotor 41 instead of being rotatably connected to the stator 33, in particular instead of integrally formed with one of the fixing rings 33D of the stator 33, rotatably with the stator holder 33C or rotatably with the magnetic device 31th be connected, wherein the rotor 41 then forms a magnetic module with the magnetic device 31 in the latter case.

If the rotor 41 is not arranged centrally in the axial direction between the two stator elements 33A and 33B, but laterally therefrom, as in the inventive sensor device 100 shown in FIGS. 1a and 1b, in a functional state of use or assembly state of the invention The sensor device 100 according to the invention, in particular the common printed circuit board 14, however, between the two stator elements 33A and 33B, so that the second magnetic sensor 42B and the third magnetic sensor 43B lie between the stator elements 33A and 33B, the two gear elements 42 and 43 preferably have one each, as in this case Shaft 42A and 43A provided for bridging the axial distance.

If the flux conductors 32A and 32B, as in the case of the sensor device 100 according to the invention shown in FIGS. 1 a and 1 b, are designed to be closed in the circumferential direction, it is advantageous if the sensor housing 20 or, if the components of the sensor device 100 are each arranged directly in a further housing The further housings each have one, as the sensor housing of FIGS. 1 a and 1 b in the circumferential direction open through opening, in particular a in the region of the tabs 35 A and 35 B opened through opening, so that the flux conductors 32 A and 32 B in the axial direction R 1 can be introduced into the sensor housing 20. Furthermore, if the flux conductors 32A and 32B are designed to be closed in the circumferential direction, it is advantageous to pre-assemble the flux conductors 32A and 32B respectively with the sensor housing 20 to form an assembly, in particular a sensor housing module, before the stator module 50 and the magnet device 31 and / or the sensor module 10 are inserted into the sensor housing.

FIG. 1 c shows another embodiment of two circumferentially closed flux guides 232A and 232B. These flux conductors are designed as stamped bent parts and can be preassembled in the sensor housing 20 in accordance with the flux conductors from FIG. The tabs 235A and 235B of the flux guides 232A and 232B are formed after the punching operation by bending. The substantially annular shape of the flux guides 232A and 232B is also made by a bending process wherein the respective ends of the substantially annular flux conductors 232A and 232B are connected to each other at the connection portions 237A and 237B.

On the other hand, if the flux conductors are designed to be open in the circumferential direction, for example, like the flux conductors 132A and 132B shown in FIG. 2a, the order of installation is almost arbitrary with regard to the flux conductors. Furthermore, in this case, it makes sense to form the sensor housing, like the sensor housing 220 from FIG. 2b, with a passage opening 221 closed in the circumferential direction.

However, it may also be advantageous to pre-assemble the open flux conductors 132A and 132B with the sensor housing 220 to form an assembly, in particular to a sensor housing module as shown in FIG. 2b.

The second exemplary embodiment of a sensor device 200 according to the invention shown in FIG. 2b differs from the first exemplary embodiment of a sensor device 100 according to the invention described with reference to FIGS. 1a and 1b not only in the differently configured sensor housing 220 and the differently configured flux conductors 132A and 132B. but also in that the rotor 141 in this case is integrally formed with the stator holder 133C of the stator device 133, the stator holder 133C, the sleeve portion 33E and the rotor 141 being made as a one-piece plastic injection molded part. The stator elements 33A and 33B have each been pushed onto the stator holder in the axial direction R1 and likewise fixed in the axial direction by means of fixing rings 133D on the stator holder 133C.

Further, in this case, the rotor 1414 is located centrally between the stator elements 33A and 33B and not laterally therefrom.

Due to the axial arrangement of the rotor 141 between the two stator elements 33A and 33B, it is no longer necessary to bridge an axial distance to the printed circuit board 14, so that in each case the shaft 42A or 43A (see FIG. 1 b) in the gear wheels 42 and 43 may be omitted and the gears 242 and 243 may be arranged with their permanent magnet corresponding closer to the circuit board 14 and the associated magnetic sensors 42A and 42B.

Is the rotor 41 and 141 as in the above-described inventive sensor device 100 and 200 in each case integrally formed with at least one component of the stator 33 and 131, in particular as a common plastic injection molded part, can in a particularly simple manner an accurate positioning of the rotor in Sensor housing 20 and 220 are achieved and thus in particular a precise positioning of the rotor 41 and 141 relative to the first transmission element 42 and 242, which meshes in a functional use state of a sensor device 100 and 200 according to the invention with the rotor 41 and 141, respectively. Via the common printed circuit board 14 and the sensor module housing 1 1, which in the radial direction R2 in the sensor housing 220 can be inserted and which serves to receive the flux conductors 32A and 32B and 132A and 132B, further, an accurate positioning of the flux conductors relative to the first magnetic sensors 34A and 34B of the torque sensor device, in particular a defined gap between the tabs 35A and 35B or 135A and 135B and the first magnetic sensors 34A and 34B of the torque sensor device can be ensured.

Thus, the pre-assembly according to the invention of individual components, in particular of components of the torque sensor device with components of the steering angle sensor device, leads to a common sensor module for a particularly simple assembly. Further, the arrangement of the magnetic sensors of the torque sensor device, ie the first magnetic sensors 34A and 34B, together with the magnetic sensors of the angle sensor device, namely the second magnetic sensor 42B and the third magnetic sensor 43B on a common printed circuit board, has the advantage of contacting the printed circuit board via a common plug connection can, that is, it is not two connections 13 for connectors and corresponding plug contacts required, but only one, whereby a considerable space gain can be achieved.

In this case, a variety of modifications, in particular to structural modifications, compared to the illustrated embodiments possible without departing from the content of the claims.

Reference symbol list: 0, 200 sensor device according to the invention, 210 sensor module

 Sensor module housing

A first sensor module housing part

B second sensor module housing part

 plug contacts

 Connector for a connector

 circuit board

, 220 sensor housing

, 221 Passage opening for shaft in sensor housing in axial direction

 Insertion opening in sensor housing for sensor module in radial direction

 Torque sensor device

 magnetic device

A ring magnet

B sleeve for fixing the magnetic device on the shaft

A, 32B, 132A, 132B, 232A, 232B flux guides

, 133 stator device

A, 33B stator element

C, 133C stator holder

D, 133D fixing ring

E sleeve portion of the stator holder for fixing the stator means on the shaft A, 34B first magnetic sensor of the torque sensor means

A, 35B, 135A, 135B, 235A, 235B straps of the flux guide

A, 36B, 136A, 136B flux guide body

7A, 237B connecting sections of the flux guides

 Steering angle sensor device

, 141 rotor 42, 242 first gear element of the angle sensor device with permanent magnet

42A, 43A shank

 42B second, the first gear member associated magnetic sensor of the angle sensor device

 43, 243 second transmission element of the angle sensor device with permanent magnet

43B second, the second transmission element of

 Angle sensor device associated magnetic sensor

 50, 150 stator module

 60 steering gear housing

 61 Through opening of the steering gear housing for the shaft

 62 Insertion opening of the steering gear housing for the sensor housing

A rotation axis of the shaft

 R1 axial direction

 R2 radial direction

Claims

SDE2222 2018/108470 PCT / EP2017 / 080046 35 Claims
1 . Sensor device (100, 200) for a shaft rotatable about a rotation axis,
 in particular for a steering shaft of a motor vehicle, wherein the
 Sensor device (100, 200) a torque sensor device (30) for detecting a torque applied to the shaft and a
 A steering angle sensor means (40) for detecting a rotational angle of the shaft, wherein the torque sensor means (30) at least one
 Magnetic means (31) for generating a magnetic field and at least one first magnetic sensor (34A, 34B) (34A, 34B) for generating a
 Sensor signal as a function of one applied to the shaft
 Torque having, and wherein the steering angle sensor means (40) at least one rotatably connected to the shaft rotatably connectable rotor (41, 141) and an angle sensor means for generating at least one sensor signal in response to a rotation angle of the rotor, and wherein the
 Sensor device (100, 200) has at least one, to a sensor module (10, 210) pre-assembled assembly,
 characterized in that at least the first magnetic sensor (34A, 34B) of the torque sensor device (30) and the angular sensor device of the
 Steering angle sensor device (40) Part of the sensor module (10, 210)
 are preassembled module.
2. Sensor device (100, 200) according to claim 1, characterized in that the first magnetic sensor (34A, 34B) of the torque sensor device (30) and the angle sensor device of the steering angle sensor device (40) by a common sensor module housing (1 1) are added.
3. Sensor device (100, 200) according to claim 1 or 2, characterized in that the angle sensor device has at least one first transmission element (42, 242) which forms a transmission with the rotor (41, 141) and in a functional use state of the sensor device ( 100, 200) is engaged with the rotor (41, 141), the angle sensor means
is preferably designed to generate a first rotor angle sensor signal in dependence on the angle of rotation of the first gear element (42, 242). SDE2222
 2018/108470 PCT / EP2017 / 080046
36
4. Sensor device (100, 200) according to claim 3, characterized in that the first transmission element (42, 242) of the angle sensor device a
 Having permanent magnet and the sensor device (100, 200), in particular the angle sensor device, at least one second magnetic sensor (42B) for generating the first rotor angle sensor signal in dependence on the rotation angle of the first transmission element (42, 242).
5. Sensor device (100, 200) according to claim 3 or 4, characterized in that the angle sensor device has at least one second transmission element (43, 243), which with the rotor (41, 141) and the first transmission element (42, 242) a In a functional use condition of the sensor device (100, 200), the second transmission element (43, 243) is preferably in engagement with the rotor (41, 141) and / or the first transmission element (42, 242), and wherein the Angle sensor device is designed in particular to generate a second rotor angle sensor signal in dependence on the rotation angle of the second transmission element (43, 243).
6. Sensor device (100, 200) according to claim 5, characterized in that the second transmission element (43, 243) of the angle sensor device a
 Having permanent magnet and the sensor device (100, 200), in particular the angle sensor device, at least one third magnetic sensor (43 B) for generating the second rotor angle sensor signal in response to
 Angle of rotation of the second gear element. (43, 243).
7. Sensor device (100, 200) according to claim 1 or 2, characterized in that the torque sensor device (30) has a stator device (33, 133) for collecting the magnetic flux of the magnetic means (31) of the torque sensor device (30) generated magnetic field wherein the rotor (41, 141) of the steering angle sensor means (40) is preferably non-rotatably connected to the stator means (33, 133) or non-rotatably connected to the magnet means (31) of the torque sensor means (30).
8. Sensor device (100, 200) according to claim 3, characterized in that the rotor (41, 141) with the stator device (33, 133) forms a stator module (50, 150), SDE2222
 2018/108470 PCT / EP2017 / 080046
37 wherein the rotor (41, 141) preferably contains plastic and on the
 Stator device (33, 133) is attached.
9. sensor device (100, 200) according to at least one of claims 1 to 3, characterized in that the rotor (41, 141) with the magnetic device (31) forms a magnetic module, wherein the rotor (41, 141) preferably contains plastic and in particular attached to the magnetic device (31).
10. Sensor device (100, 200) according to at least one of the preceding
 Claims, characterized in that the sensor device (100, 200), in particular the torque sensor device (30), at least one
 Flux guide (32A, 32B, 132A, 32B) for propagating the magnetic flux to the first magnetic sensor (34A, 34B) (34A, 34B), wherein the at least one flux guide (32A, 32B; 132A, 32B) is preferably formed by forming from a Ribbon or a wire is made, in particular in one piece.
1 1. Sensor device (200) according to claim 6, characterized in that the flux guide (132A, 32B) is open in the circumferential direction.
12. Sensor device (100) according to claim 6, characterized in that the flux guide (32A, 32B) is closed in the circumferential direction.
13. Sensor device (100, 200) according to at least one of the preceding
 Claims, characterized in that the sensor device (100, 200) has a sensor housing (20, 220).
14. Sensor device (100, 200) according to at least one of claims 6 to 8 in conjunction with claim 9, characterized in that at least one flux guide (32A, 32B, 132A, 32B) is mounted in the sensor housing (20, 220), preferably in Sensor housing (20, 220) is fixed.
15. Sensor device according to at least one of claims 6 to 8, wherein
at least one flux guide (32A, 32B; 132A, 32B) is arranged concentrically with the stator device (33, 133) in a functional use state of the sensor device, and preferably at least partially from the outside SDE2222
 2018/108470 PCT / EP2017 / 080046
38, characterized in that the flux guide (32A, 32B, 132A, 32B) is supported on the stator means (33, 133) in a radial direction via a sliding bearing, the flux guide (32A, 32B; 132A, 32B) being in particular connected to the
 Stator device (33, 133) is pre-assembled into an assembly.
16 sensor device (100, 200) according to at least one of claims 9 to 1 1, characterized in that the sensor housing (20, 220), based on a functional use state of the sensor device (100, 200), in the radial direction (R2 ) extending insertion opening (22) for the
 Sensor module (10, 210), wherein in a functional
 Use state of the sensor device (100, 200), the sensor module (10, 210) in the radial direction (R2) is inserted into the insertion opening (22), preferably inserted, in particular such that in one
 Functional state of use of the sensor device (100, 200) at least one flux conductor (32A, 32B, 132A, 32B) of
 Torque sensor means (30) defined against the first magnetic sensor (34A, 34B) is positioned and / or the rotor (41, 141) of the
 Steering angle sensor device (40) defined against the angle sensor device is positioned.
17. Sensor device (100, 200) according to at least one of claims 9 to 12, characterized in that the sensor housing (20, 220), based on a functional use state of the sensor device (100, 200), in the axial direction (R1) extending through hole (21, 221) for the shaft, wherein in a functional use state of the sensor device (100, 200), the magnetic device (31) and / or the
 Stator device (33, 133) and / or the rotor (41, 141) rotatable in the
Bearing opening of the sensor housing mounted and preferably in the axial direction (R1) is fixed, wherein the magnetic device (31) and / or the stator device (33, 133) and / or the rotor (41, 141) thereto at least partially in the axial direction (R1) in the sensor housing (20, 220) have been introduced, preferably after the magnetic means (31) and / or the stator means (33, 133) and / or the rotor (41, 141) are rotatably connected to the shaft, wherein the magnetic means (31) and / or the stator device (33, 133) and / or the rotor (41, 141) in particular in such a way at least partially in axial SDE2222
 2018/108470 PCT / EP2017 / 080046
39
Direction (R1) have been introduced into the sensor housing (20, 220) that in a functional use condition of the sensor device (100, 200) at least one flux guide (32A, 32B, 132A, 32B) of
 Torque sensor means (30) defined against the first magnetic sensor (34A, 34B) is positioned and / or the rotor (41, 141) defined against the angle sensor device is positioned.
18. Sensor device (100, 200) according to at least one of claims 10, 12 or 13, characterized in that the sensor housing (20, 220) and at least one flux guide (32A, 32B, 132A, 32B) form part of a pre-assembled to a sensor housing module , further assembly, wherein in particular, based on a functional use state of the sensor device (100, 200), the sensor module (10, 210) and / or the magnetic device (31) and / or the
 Statoreinrichtung (33, 133) and / or the rotor (41, 141) in the axial direction (R1) in the sensor housing (20, 220) have been introduced after the sensor housing (20, 220) with at least one flux guide (32A, 32B, 132A, 32B) has been preassembled into a sensor housing module.
19. Sensor device (100, 200) according to at least one of the preceding
 Claims, characterized in that the sensor housing (20, 220) is part of a further housing, preferably part of a connectable to a vehicle body of a motor vehicle housing, in particular part of a
 Steering gear housing, or even one with the vehicle body of a
 Motor vehicle forms connectable housing.
20. Sensor device (100, 200) according to at least one of claims 9 to 14, characterized in that the sensor housing (20, 220) is designed for arrangement in a further housing, in particular for arrangement in a housing connectable to a vehicle body of a motor vehicle housing, in particular for arrangement in a steering gear housing (60), wherein the sensor housing (20, 220), based on a functional
Use state of the sensor device (100, 200), preferably in the radial direction (R2) in the further housing is inserted, in particular can be inserted. SDE2222
 2018/108470 PCT / EP2017 / 080046
40
21. Method for assembling a sensor device (100, 200) for a shaft rotatable about a rotation axis, in particular for assembling a sensor device (100, 200) formed according to at least one of claims 1 to 16, wherein the sensor device (100, 200) comprises a torque sensor device (30 ) for detecting a torque applied to the shaft and a steering angle sensor means (40) for detecting a rotational angle of the shaft, wherein the torque sensor means (30) at least one
 Magnetic device (31) for generating a magnetic field and at least one first magnetic sensor (34A, 34B) for generating a sensor signal in response to a torque applied to the shaft, and wherein the steering angle sensor means (40) at least one rotatably connected to the shaft rotor (41 , 141) as well as an angle sensor device for generating at least one sensor signal as a function of a rotational angle of the rotor,
 characterized by the steps:
 Providing the components of the sensor device,
 Pre-assembling at least the first magnetic sensor (34A, 34B) of the torque sensor device (30) and the angle sensor device of the steering angle sensor device (40) to an assembly forming a sensor module (10, 210), and
 Assembling the remaining components of the sensor device (100, 200) with the sensor module (10, 210) to the sensor device.
22. The method of claim 17, wherein the sensor device (100, 200) a
 Stator device (33, 133), characterized in that in a further method step, the stator device (33, 133) of the
 Torque sensor device (30) with the rotor (41, 141) of the
 Steering angle sensor device (40) is preassembled to a stator module (50, 150), wherein subsequently the stator module (50, 150) with the sensor module (10, 210) and the remaining components of the sensor device (100, 200) to the sensor device (100, 200) is assembled.
23. The method according to claim 17 or 18, wherein the sensor device (100, 200) has a sensor housing (20, 220), which is designed for arrangement in a further housing, in particular for arrangement in one with a SDE2222
 2018/108470 PCT / EP2017 / 080046
41
Vehicle body of a motor vehicle connectable housing, in particular for arrangement in a steering gear housing (60), characterized in that the sensor housing (20, 220) in a further process step in the further housing (60) is arranged, wherein the sensor housing (20, 220) to , related to a functional use state of the
 Sensor device (100, 200), preferably in the radial direction (R2) is inserted into the further housing, in particular is plugged.
24. The method according to at least one of claims 17 to 19, wherein the
 Sensor device (100, 200) has a sensor housing (20, 220), which, based on a functional use state of the
 Sensor device (100, 200), in the axial direction (R1) extending through opening (21, 221) for a shaft, characterized in that in a further method step, the magnetic device (31) and / or the stator device (33, 133) and / or the rotor (41, 141) rotatable in the
 Through the opening (21, 221) of the sensor housing stored and preferably in the axial direction (R1) are fixed, wherein the magnetic means (31) and / or the stator (33, 133) and / or the rotor (41, 141) thereto at least partially in axial direction (R1) in the sensor housing (20, 220) is inserted, preferably after the magnetic means (31) and / or the stator means (33, 133) and / or the rotor (41, 141) have been rotatably connected to the shaft and / or after the sensor housing (20, 220) has been arranged in the further housing, wherein the magnet device (31) and / or the stator device (33, 133) and / or the rotor (41, 141)
 in particular at least partially in the axial direction (R1) in the
 Sensor housing (20, 220) are introduced, that in a functional use state of the sensor device (100, 200) at least one flux guide (32A, 32B; 132A, 32B) of the torque sensor device (30) defined against the first magnetic sensor (34A, 34B) is positioned and / or the rotor (41, 141) is positioned in a defined manner relative to the angle sensor device.
25. The method according to at least one of claims 17 to 20, wherein the
Sensor device (100, 200) has at least one flux guide (32A, 32B; 132A, 32B), characterized in that in a further method step at least one flux guide (32A, 32B; 132A, 32B) in the sensor housing (20, 220) SDE2222
 2018/108470 PCT / EP2017 / 080046
42, preferably in the sensor housing (20, 220) is fixed, in particular in the interior of the sensor housing in the region of the through hole, wherein the flux conductor (32A, 32B, 132A, 32B) is preferably introduced into the sensor housing (20, 220) before the magnetic device (31) and / or the
 Statoreinrichtung (33, 133) and / or the rotor (41, 141) at least partially in the axial direction (R1) in the sensor housing (20, 220) are introduced.
Method according to at least one of claims 17 to 21, wherein said
 Sensor housing (20, 220), based on a functional
 Use state of the sensor device (100, 200), an in the radial direction (R2) extending insertion opening (22) for the sensor module (10, 210), characterized in that in a further method step, the sensor module (10, 210) in the radial direction (R2) in the insertion opening (22) is inserted, preferably inserted, in particular such that in a functional use state of the sensor device (100, 200) at least one flux guide (32A, 32B, 132A, 32B) of
 Torque sensor means (30) defined against the first magnetic sensor (34A, 34B) is positioned and / or the rotor (41, 141) of the
 Lenkwinkelsensoreinrichtung (40) is positioned opposite to the angle sensor device, wherein the sensor module (10, 210) preferably in the
 Sensor housing (20, 220) is inserted after the magnetic device (31) and / or the stator device (33, 133) and / or the rotor (41, 141) thereto at least partially in the axial direction (R1) into the sensor housing (20, 220) has been introduced.
PCT/EP2017/080046 2016-12-14 2017-11-22 Sensor device and method for assembling a sensor device WO2018108470A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102016124370.1 2016-12-14
DE102016124370.1A DE102016124370A1 (en) 2016-12-14 2016-12-14 Sensor device and method for assembling a sensor device

Publications (1)

Publication Number Publication Date
WO2018108470A1 true WO2018108470A1 (en) 2018-06-21

Family

ID=60421791

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/080046 WO2018108470A1 (en) 2016-12-14 2017-11-22 Sensor device and method for assembling a sensor device

Country Status (2)

Country Link
DE (1) DE102016124370A1 (en)
WO (1) WO2018108470A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017116454A1 (en) 2017-07-21 2019-01-24 Valeo Schalter Und Sensoren Gmbh Sensor device

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506938A1 (en) 1995-02-28 1996-08-29 Bosch Gmbh Robert Method and device for measuring the angle of a rotatable body
DE19962241A1 (en) 1999-12-22 2001-07-12 Ruf Electronics Gmbh Position sensor to detect rotation position of shaft, e.g. steering wheel shaft; is coupled to shaft by driven gear and toothing or driving gear of shaft, which are coupled by elastic clamp clips
EP1123794A2 (en) 2000-02-09 2001-08-16 Max Baermann GmbH Resinous part with high rate of filling
EP0980081B1 (en) 1998-08-12 2003-06-18 Max Baermann GmbH Resinous part with high rate of filling
DE10346332A1 (en) 2002-10-07 2004-04-15 Denso Corp., Kariya Torque sensor, e.g. for power-assisted steering system, has outer cylindrical surface of flux collector rings surrounded by magnetic screen
EP1584908A2 (en) 2004-04-08 2005-10-12 Denso Corporation Torque detecting apparatus and manufacturing method thereof
DE102008011448A1 (en) 2008-02-27 2009-09-03 Valeo Schalter Und Sensoren Gmbh Arrangement for detecting a rotation angle
DE102010033769A1 (en) 2010-08-09 2012-02-09 Valeo Schalter Und Sensoren Gmbh Device with a torque sensor and a rotation angle sensor
DE102011111846A1 (en) * 2011-08-27 2013-02-28 Volkswagen Aktiengesellschaft Device for determining rotational torque and steering angle of steering system in motor car during steering maneuvers, has sensors for detecting part of magnetic field and overlapping of two magnetic fields to determine torque and angle
DE102012024382A1 (en) 2012-12-13 2014-06-18 Valeo Schalter Und Sensoren Gmbh Device having a torque sensor device and optionally a steering angle sensor device for a motor vehicle, motor vehicle and method for producing a torque sensor device
DE102012024383A1 (en) 2012-12-13 2014-06-18 Valeo Schalter Und Sensoren Gmbh Device having a torque sensor device and a steering angle sensor device for a motor vehicle, motor vehicle and method for producing a device
DE102012025280A1 (en) 2012-12-21 2014-06-26 Valeo Schalter Und Sensoren Gmbh A sensor device having a torque sensor device and a steering angle sensor device for a steering shaft, which has a steering wheel-side input shaft part and an output shaft part, steering shaft device for a motor vehicle, motor vehicle and method for producing a steering shaft device
DE102013006567A1 (en) 2013-04-05 2014-10-09 Valeo Schalter Und Sensoren Gmbh Method for producing a magnet unit for a sensor device of a motor vehicle, magnet unit, sensor device and motor vehicle
DE102015116545A1 (en) 2015-09-30 2017-03-30 Valeo Schalter Und Sensoren Gmbh Magnet unit for a sensor device of a motor vehicle, sensor device with a magnet unit and motor vehicle with a sensor device
DE102015122182A1 (en) 2015-12-18 2017-06-22 Valeo Schalter Und Sensoren Gmbh Magnet unit for a sensor device of a motor vehicle, sensor device with a magnet unit and motor vehicle with a sensor device
DE102015122176A1 (en) 2015-12-18 2017-06-22 Valeo Schalter Und Sensoren Gmbh Magnet unit for a sensor device of a motor vehicle, sensor device with a magnet unit and motor vehicle with a sensor device
DE102015122171A1 (en) 2015-12-18 2017-06-22 Valeo Schalter Und Sensoren Gmbh Stator holder, stator assembly, method for assembling a stator assembly, torque sensor device with a stator assembly and a stator holder and motor vehicle with a torque sensor device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001208621A (en) * 2000-01-26 2001-08-03 Mitsubishi Electric Corp Manufacturing method of torque detecting device, sensor module, and torque detecting device
US8286507B2 (en) * 2006-12-07 2012-10-16 Continental Teves Ag & Co. Ohg Torque sensor arrangement
WO2011064245A1 (en) * 2009-11-24 2011-06-03 Continental Teves Ag & Co. Ohg Torque sensor
US8448528B2 (en) * 2010-09-27 2013-05-28 Bourns Incorporated Three-piece torque sensor assembly
KR102055800B1 (en) * 2013-09-27 2019-12-13 엘지이노텍 주식회사 Torque sensor
DE102016124331A1 (en) 2016-12-14 2018-06-14 Valeo Schalter Und Sensoren Gmbh Flux guide, torque sensor device and method of making a flux guide
DE102016124330A1 (en) 2016-12-14 2018-06-14 Valeo Schalter Und Sensoren Gmbh A flux guide for a torque sensor device, a method of manufacturing a flux guide for a torque sensor device, and a torque sensor device

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19506938A1 (en) 1995-02-28 1996-08-29 Bosch Gmbh Robert Method and device for measuring the angle of a rotatable body
EP0980081B1 (en) 1998-08-12 2003-06-18 Max Baermann GmbH Resinous part with high rate of filling
DE19962241A1 (en) 1999-12-22 2001-07-12 Ruf Electronics Gmbh Position sensor to detect rotation position of shaft, e.g. steering wheel shaft; is coupled to shaft by driven gear and toothing or driving gear of shaft, which are coupled by elastic clamp clips
EP1123794A2 (en) 2000-02-09 2001-08-16 Max Baermann GmbH Resinous part with high rate of filling
DE10346332A1 (en) 2002-10-07 2004-04-15 Denso Corp., Kariya Torque sensor, e.g. for power-assisted steering system, has outer cylindrical surface of flux collector rings surrounded by magnetic screen
EP1584908A2 (en) 2004-04-08 2005-10-12 Denso Corporation Torque detecting apparatus and manufacturing method thereof
DE102008011448A1 (en) 2008-02-27 2009-09-03 Valeo Schalter Und Sensoren Gmbh Arrangement for detecting a rotation angle
DE102010033769A1 (en) 2010-08-09 2012-02-09 Valeo Schalter Und Sensoren Gmbh Device with a torque sensor and a rotation angle sensor
DE102011111846A1 (en) * 2011-08-27 2013-02-28 Volkswagen Aktiengesellschaft Device for determining rotational torque and steering angle of steering system in motor car during steering maneuvers, has sensors for detecting part of magnetic field and overlapping of two magnetic fields to determine torque and angle
DE102012024382A1 (en) 2012-12-13 2014-06-18 Valeo Schalter Und Sensoren Gmbh Device having a torque sensor device and optionally a steering angle sensor device for a motor vehicle, motor vehicle and method for producing a torque sensor device
DE102012024383A1 (en) 2012-12-13 2014-06-18 Valeo Schalter Und Sensoren Gmbh Device having a torque sensor device and a steering angle sensor device for a motor vehicle, motor vehicle and method for producing a device
DE102012025280A1 (en) 2012-12-21 2014-06-26 Valeo Schalter Und Sensoren Gmbh A sensor device having a torque sensor device and a steering angle sensor device for a steering shaft, which has a steering wheel-side input shaft part and an output shaft part, steering shaft device for a motor vehicle, motor vehicle and method for producing a steering shaft device
DE102013006567A1 (en) 2013-04-05 2014-10-09 Valeo Schalter Und Sensoren Gmbh Method for producing a magnet unit for a sensor device of a motor vehicle, magnet unit, sensor device and motor vehicle
DE102015116545A1 (en) 2015-09-30 2017-03-30 Valeo Schalter Und Sensoren Gmbh Magnet unit for a sensor device of a motor vehicle, sensor device with a magnet unit and motor vehicle with a sensor device
DE102015122182A1 (en) 2015-12-18 2017-06-22 Valeo Schalter Und Sensoren Gmbh Magnet unit for a sensor device of a motor vehicle, sensor device with a magnet unit and motor vehicle with a sensor device
DE102015122176A1 (en) 2015-12-18 2017-06-22 Valeo Schalter Und Sensoren Gmbh Magnet unit for a sensor device of a motor vehicle, sensor device with a magnet unit and motor vehicle with a sensor device
DE102015122171A1 (en) 2015-12-18 2017-06-22 Valeo Schalter Und Sensoren Gmbh Stator holder, stator assembly, method for assembling a stator assembly, torque sensor device with a stator assembly and a stator holder and motor vehicle with a torque sensor device

Also Published As

Publication number Publication date
DE102016124370A1 (en) 2018-06-14

Similar Documents

Publication Publication Date Title
JP3842336B2 (en) Throttle valve adjustment unit
EP1404957B1 (en) Method for the contactless detection of the position of a butterfly-valve shaft of a butterfly-valve connecting piece and a butterfly-valve connecting piece
US7602173B2 (en) Sensor system for detecting a differential angle
JP4509025B2 (en) Sensor module unit and throttle device including sensor module unit
EP1584908B1 (en) Torque detecting apparatus and manufacturing method thereof
US20160214648A1 (en) Device with a torque sensor device and a steering angle sensor device for a motor vehicle, motor vehicle and method for manufacturing a device
JP5249352B2 (en) Magnetic field sensor
US6880411B2 (en) Torque sensor and electric power steering system having same
US6750574B2 (en) Motor for use with motorized power steering apparatus
US8448528B2 (en) Three-piece torque sensor assembly
JP4843286B2 (en) Electric motor and method for manufacturing the same
JP4502912B2 (en) Rotating electric machine and manufacturing method thereof
US6776634B2 (en) Steering column switch
US7950494B2 (en) Torque detecting device and electric power steering apparatus using the same
EP2107355B1 (en) Magnetic torque sensor
DE102007044230B4 (en) Resolver and brushless motor
US6422336B1 (en) Electrically assisted power steering system for motor vehicles
JP2006038767A (en) Device for detecting torque
DE102015002562B4 (en) Electric machine
US7337679B2 (en) Rotation sensor
JP4479821B2 (en) Control device-integrated electric power steering apparatus motor and electric power steering apparatus
DE10308543B4 (en) Torque sensor
US7791243B2 (en) Direct current motor
US20100313681A1 (en) Sensor arrangement for measuring a torque
US7057317B2 (en) Electric motor

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17801712

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase in:

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17801712

Country of ref document: EP

Kind code of ref document: A1