CN103256910A - Sensor arrangement for detection of steering angle at gear wheel in vehicle - Google Patents
Sensor arrangement for detection of steering angle at gear wheel in vehicle Download PDFInfo
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- CN103256910A CN103256910A CN2013100618758A CN201310061875A CN103256910A CN 103256910 A CN103256910 A CN 103256910A CN 2013100618758 A CN2013100618758 A CN 2013100618758A CN 201310061875 A CN201310061875 A CN 201310061875A CN 103256910 A CN103256910 A CN 103256910A
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- measured value
- sensor
- rotatable parts
- value forwarder
- forwarder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/021—Determination of steering angle
- B62D15/0215—Determination of steering angle by measuring on the steering column
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/125—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means characterised by a first part whose movement represents the measuring value, and by a second part which is moved by an external force in order to follow the movement of the first part
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D2205/00—Indexing scheme relating to details of means for transferring or converting the output of a sensing member
- G01D2205/20—Detecting rotary movement
- G01D2205/22—Detecting rotary movement by converting the rotary movement into a linear movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
Abstract
The arrangement (1) has a measuring element (20) coupled with a peripheral part of a rotary component (10) and connected with a distance sensor (26) for generating a signal that represents a rotational angle of the rotary component. The measuring element is designed as a movement converter that converts rotation (12) of the rotary component into translation (22) e.g. axial translation (22a) and tangential translation, of the measuring element. The sensor determines a covered distance of the measuring element, where the covered distance represents the rotational angle of the rotary component. The measuring element is designed as a pinion, a longitudinally and rotatably guided screw or a longitudinally movably guided rack gear. The distance sensor is designed as an eddy current sensor (26.1, 26.2), a capacitive sensor or an ultrasonic sensor.
Description
Technical field
The present invention relates to a kind of sensor module for the rotation angle on the rotatable parts that obtain vehicle as described in the preamble according to independent claims 1.
Background technology
In a kind of known steering angle sensor, by means of magnetic field sensor the counter wheel that is used for definite bearing circle rotating cycle is contactlessly surveyed.This type systematic has following shortcoming,, must provide electrostatic current when cutting off portfire that is, is used for can identifying when cutting off portfire the rotation of bearing circle.Do not using under the situation of vehicle for a long time, this causes undesirable Vehicular battery to exhaust.If this electrostatic current is not provided, then may when cutting off portfire or disconnecting battery, can't determine steering angle exactly.
In open file DE102007052162A1, described a kind of for example for the pedal module that contactlessly obtains the measurement mechanism of rotation angle or linear displacement and have this measurement mechanism.The rotation angle of obtaining or the linear displacement of obtaining are owing to pass through spring part relative to each other by the caused by relative motion of pretension between the object on its initial position at least two.Spring part has a plurality of circles of being made by conductive material, and the relative motion of object causes the length of spring part to change.Regulation, at least a portion of a plurality of circles of spring part is comprised that by a magnetic winding this magnetic winding is comprised by an oscillatory circuit with at least one capacitor.In addition, be provided with evaluating apparatus, this evaluating apparatus provides a signal according to oscillatory circuit change of resonance frequency (length variations of the spring part that the oscillatory circuit change of resonance frequency causes based on the relative motion by object), can identify and calculate described relative motion to this signal evaluation.Be converted to more simple linear movement on measuring principle in order to will speed up foot pedal lever with respect to rotatablely moving of bearing support, can make an end portion supports of spring element on the supporting surface that is configured on the bearing support, and the other end is supported on constituting on the sway brace of lever arm between accelerator pedal lever and the bearing support with respect to steer axis of accelerator pedal lever.
In open file DE102008011448A1, described for example a kind of be used to the assembly that obtains rotation angle.Described assembly comprises forwarder and sensor, but described sensor detects the signal of conduct digitizing evaluation to the physical quantity change that is produced by forwarder according to the variation of the rotation angle of rotatable parts.Rotatable parts have at least one and are connected in the less satellite spare of girth that its rotation is rotated that passes through on its circumference, this satellite spare preferably has angular transducer, this satellite spare drives same cycloid disc or the inner cycloidal gear that rotates by the hypocycloid gear train that axially connects, its rotational speed is lowered by the hypocycloid gear train, makes to utilize the rotation sensor system to obtain number of revolutions and the absolute steering angle during steering axle is repeatedly rotated of rotatable parts thus.
Summary of the invention
Relative therewith, the advantage of the foundation sensor module of the present invention that is used for vehicle with feature of independent claims 1 is: the stroke that is converted into machinery by rotatablely moving changes, even also always clear and definite position of rotation can be arranged when rotatable parts rotation multi-turn.Advantageously, when electronic equipment lost efficacy, rotatablely moving still was retained on the altered travel position of machinery.Because the stroke alteration of machinery, even cutting off portfire or interrupting still can providing correct absolute rotation angle behind the battery, wherein can realize simultaneously operation especially reliably or can detect the identification especially reliably that realizes rotation angle by means of distance or rather.Another advantage is the simplification of machinery, and this makes cost saved.Preferably, can use according to of the present invention for the sensor module of determining the Vehicular turn angle.At this, described rotatable parts or gear preferably can not connect with the relative rotation with bearing circle or the steering column of vehicle.According to embodiments of the present invention divertical motion is converted into stroke and changes, can contactlessly detect the trip by distance-measuring device and change, and it can be converted into steering angle.
Provide a kind of for the sensor module that obtains the rotation angle on the rotatable parts of vehicle according to embodiments of the present invention.Described rotatable parts connect with the measured value forwarder on its periphery, and this measured value forwarder combines with at least one sensor and produces a signal that characterizes the rotatable parts rotation angle.According to the present invention, described measured value forwarder is converter, this converter is converted to the rotation of rotatable parts the translation of measured value forwarder, wherein said at least one sensor obtain described measured value forwarder the stroke of process, the trip characterizes the rotation angle of described rotatable parts.
By measure and the improvement project that proposes in the dependent claims, realized the favourable improvement for the sensor module that obtains the rotation angle on the rotatable parts of vehicle in independent claims 1, providing.
Particularly advantageous is that the measured value forwarder can be converted to the rotation of rotatable parts described measured value forwarder with respect to the axial translation of described rotatable parts.Described measured value forwarder can for example be implemented as pinion wheel, described pinion wheel is directed and is so positioned having corresponding externally threaded bolt by the mode of internal thread with motion longitudinally, makes second gear ring of first gear ring and pinion wheel of described rotatable parts mesh.Thus, be delivered to the height change that rotatablely moving on the pinion wheel can convert the measured value forwarder that is implemented as pinion wheel to by rotatable parts, upper surface that wherein can be by described at least one sensor measurement measured value forwarder and/or the height change of lower surface are as the stroke of process.The resolution of the rotation angle of the rotatable parts that advantageously, obtain by preferably being implemented as gear rotatable parts and the ratio of gear of measured value forwarder and/or predesignate by the externally threaded pitch of internal thread and/or bolt.By screw thread, can with the ratio of gear decoupling zero height change additionally is complementary with the feature of described at least one sensor that is used for obtaining the stroke that passes through.
In the foundation preferred design of sensor module of the present invention, the measured value forwarder can be converted into the rotation of rotatable parts described measured value forwarder with respect to the tangential translation of described rotatable parts.The screw rod that described measured value forwarder can for example be implemented as longitudinally to move and the mode of rotatable motion is directed, described screw rod is so positioned, and makes first gear ring of rotatable parts and screw flight mesh.Rotatablely moving of rotatable parts can be converted to the rectilinear motion of the measured value forwarder that is implemented to screw rod thus, first and/or second end face that wherein can be by described at least one sensor measurement measured value forwarder the stroke of process.By favourable mode, the number of teeth of first gear ring that the resolution of the rotation angle of the rotatable parts that obtain can be by rotatable parts and/or predesignate by the pitch of screw flight.
In the foundation preferred design of sensor module of the present invention, the measured value forwarder may be implemented as the tooth bar that is directed in the mode that can vertically move, and this tooth bar is so positioned, and makes first gear ring of rotatable parts and the tooth portion zone of tooth bar mesh.Rotatablely moving of rotatable parts can be converted to the rectilinear motion of the measured value forwarder that is implemented to tooth bar thus, first and/or second end face that wherein can be by described at least one sensor measurement measured value forwarder the stroke of process.By favourable mode, the tooth pitch in the number of teeth of first gear ring that the resolution of the rotation angle of the rotatable parts that obtain can be by rotatable parts and/or the tooth portion zone by tooth bar is predesignated.
In foundation other preferred implementation of sensor module of the present invention, described at least one sensor can be embodied as range sensor, described range sensor obtains described measured value forwarder with respect to the distance of reference point, and wherein at least one sensor is arranged on described measured value forwarder and/or the reference point.Preferably measure first and/or second end face of measured value forwarder with respect to the distance of reference point.In addition, at least two sensors can be set is used for obtaining in the surface of described measured value forwarder or the distance between end face and the corresponding reference point.In this case, evaluation and control module are estimated by the sensor signal that described two sensors are provided at least, preferably obtain the inclination of measured value forwarder.In addition, the application of a plurality of sensors has realized the redundancy of the rotation angle on the rotatable parts is obtained in an advantageous manner.Described at least one sensor can for example be implemented as by corresponding magnetic field and change the eddy current sensor of finding out distance and/or find out the capacitive transducer of distance and/or for example find out ultrasonic sensor and/or the optical sensor of distance by signal transit time measurement by the change of electric field.These embodiments have been realized the enforcement cheaply of range observation.Certainly, also can adopt other distance measurement technique well known by persons skilled in the art.
According in other preferred design of sensor device of the present invention, be provided with at least two sensors, described at least two sensors and evaluation and one of control module formation are differential apart from sensing device.At this, at least one first sensor obtains the measured value forwarder with respect to the distance of first reference point, and at least one second sensor obtains the measured value forwarder with respect to the distance of second reference point.Therefore, for example at least one first sensor can be measured first end face of described measured value forwarder with respect to the distance of first reference point, and at least one second sensor can be measured second end face of described measured value forwarder with respect to the distance of second reference point.This has realized the compensation to disturbing effect, for example temperature variation etc. in an advantageous manner.In addition, the application of a plurality of sensors has realized the redundancy of the rotation angle on rotatable parts is obtained in an advantageous manner.
Description of drawings
Embodiments of the invention are shown in the drawings, and are described in detail below.The identical identical or similar parts of Reference numeral presentation function or element in the accompanying drawings.
Fig. 1 shows the schematic stereoscopic principal figure according to sensor module of the present invention,
Fig. 2 shows the schematic perspective view of first embodiment of the foundation sensor module of the present invention that is in primary importance,
Fig. 3 shows the schematic perspective view of first embodiment of the foundation sensor module of the present invention that is in the second place,
Fig. 4 shows the schematic perspective view of second embodiment of the foundation sensor module of the present invention that is in primary importance,
Fig. 5 shows the schematic perspective view of second embodiment of the foundation sensor module of the present invention that is in the second place,
Fig. 6 shows the schematic perspective view of the 3rd embodiment of the foundation sensor module of the present invention that is in primary importance,
Fig. 7 shows the schematic perspective view of the 3rd embodiment of the foundation sensor module of the present invention that is in the second place,
Fig. 8 shows the schematic perspective view of the 4th embodiment of the foundation sensor module of the present invention that is in primary importance,
Fig. 9 shows the schematic perspective view of the 4th embodiment of the foundation sensor module of the present invention that is in the second place.
Embodiment
As by Fig. 1 to Fig. 9 as seen, comprise measured value forwarder 20 and at least one sensor 26,26a, 26b according to the embodiment for the sensor module 1 that obtains the rotation angle on the rotatable parts 10 of vehicle, 1a, 1b, 1c, 1d of the present invention, its output signal is by estimating and control module 30,30a estimate.These rotatable parts 10 connect with measured value forwarder 20 on its periphery, combine with described at least one sensor 26,26a, the 26b signal that produces a rotation angle that characterizes rotatable parts 10 and this signal exported to estimate and control module 30,30a of this measured value forwarder.According to the present invention, measured value forwarder 20 is implemented as converter, its rotation 12 with rotatable parts 10 is converted to the translation 22 of measured value forwarder 20, wherein said at least one sensor 26,26a, 26b obtain the stroke of 20 processes of measured value forwarder, and the trip characterizes the rotation angle of rotatable parts 10.
Measured value forwarder 20 can be converted to the rotation 12 of rotatable parts 10 measured value forwarder 20 with respect to the axial translation 22a of rotatable parts 10, and is described referring to figs. 1 to Fig. 3 and Fig. 8 to Fig. 9 as the back.Alternatively, measured value forwarder 20 can be converted to the rotation 12 of rotatable parts 10 measured value forwarder 20 with respect to the tangential translation 22b of rotatable parts 10, and is described with reference to figure 4 to Fig. 7 as the back.For the gap of realizing measured value forwarder 20 reduces, measured value forwarder 20 can, for example be subjected to spring force by at least one unshowned spring detent.
In shown embodiment, described at least one sensor 26,26a, 26b are implemented as range sensor, and described range sensor obtains measured value forwarder 20 with respect to distance 24,24a, the 24b of reference point.For this reason, described at least one sensor 26,26a, 26b can be arranged on measured value forwarder 20 and/or the reference point.In shown embodiment, described at least one sensor 26,26a, be arranged on the reference point to the 26b stationkeeping.Preferably described at least one sensor 26,26a, 26b are implemented as eddy current sensor and/or capacitive transducer and/or ultrasonic sensor and/or optical sensor, because this can realize range observation at low cost.Certainly, also can adopt well known by persons skilled in the art be used to other distance measurement methods that obtain measured value forwarder 20 stroke that passes through.
Embodiment according to sensor module 1 of the present invention, 1a, 1b, 1c, 1d can for example be used as for the steering angle sensor of determining the Vehicular turn angle.At this, rotatable parts 10 for example are implemented as gear, and preferably can not connect with the relative rotation with bearing circle and/or the steering column of vehicle.
By will rotate 12 in other words divertical motion be converted into the mechanical translation 22 of obtaining by range observation, even clear and definite turned position clear and definite steering angle in other words also can be arranged under the situation of bearing circle rotation multi-turn all the time.Similarly, when electronic equipment lost efficacy, rotatablely moving still was retained on the altered height and position of machinery.Because mechanical translation 22, even cutting off portfire or interrupting still can providing correct absolute rotation angle or steering angle behind the battery, can realize operation especially reliably simultaneously or can detect the identification especially reliably that realizes rotation angle or steering angle by means of distance or rather.
In by the schematic diagram shown in Fig. 1, rotatable parts 10 connect and will rotate 12 with second gear ring 20.1 of measured value forwarder 20 by first gear ring 14 and are delivered on the measured value forwarder 20, this measured value forwarder will rotate 12 and rotatablely move in other words and be converted to axial translation 22a, and axially the form of translation 22a is the height change of measured value forwarder 20.The range sensor 26 that is arranged on the end face top of measured value forwarder 20 can contactlessly detect the variable in distance 24 between the end face of range sensor 26 and measured value forwarder 20, and a corresponding output signal is outputed on evaluation and the control module 30, described range sensor for example comprises two eddy current sensors 26.1,26.2, and these two eddy current sensors have one respectively for generation of the coil in corresponding magnetic field 28.By variable in distance 24, to being exerted an influence by two eddy current sensors 26.1,26.2 magnetic fields 28 that produce, obtain corresponding frequency change and can obtain distance by evaluation and 30 pairs of these frequency change evaluations of control module thereby for example can combine with a fixed capacity respectively.The rotation angle of rotatable parts 10 is estimated and can be drawn to the adjust the distance output signal of sensor 26 of this evaluation and control module 30.By to being estimated by two eddy current sensors 26.1,26.2 sensor signals that provide, the inclination that described evaluation and control module 30 can obtain measured value forwarder 20 is in an advantageous manner carried out in other words the redundancy of rotation angle is obtained.But just to obtaining distance, range sensor 26 or eddy current sensor 26.1,26.2 have been enough.
As by Fig. 2 and Fig. 3 further as seen, in first embodiment of shown foundation sensor module 1a of the present invention, measured value forwarder 20 is implemented as pinion wheel 20a, and it is directed at the bolt 21 with corresponding external thread 21a in the mode that can longitudinally move by internal thread.The measured value forwarder 20 that is implemented as pinion wheel 20a is so positioned, and makes second gear ring, 20.1 engagements of first gear ring 14 with pinion wheel 20a of the rotatable parts 10 be implemented as gear.Thus, the rotation 12 of rotatable parts 10 is passed on the measured value forwarder 20 that is implemented as pinion wheel 20a, and this measured value forwarder passes through to transmit rotatablely moves vertically that 22a upwards changes its position.As by the contrast between Fig. 2 and Fig. 3 as seen, by shown in the sense of rotation of rotation 12 of rotatable parts 10, be implemented as the upper surface of measured value forwarder 20 of pinion wheel 20a and the distance 24 that is arranged between the range sensor 26 of measured value forwarder 20 tops and diminish.The resolution of the rotation angle of the rotatable parts 10 that obtain can be for example predesignated by the pitch of the ratio of gear of rotatable parts 10 and the measured value forwarder 20 that is implemented as pinion wheel 20a and/or the external thread 21a by internal thread and/or bolt 21.
As by Fig. 4 and Fig. 5 further as seen, in second embodiment of shown foundation sensor module 1b of the present invention, measured value forwarder 20 be implemented as can longitudinally move and rotatable motion the screw rod 20b that is directed, this screw rod is so positioned, and makes first gear ring 14 of rotatable parts 10 and the screw thread 21b of screw rod 20b mesh.Thus, the rotation 12 of rotatable parts 10 is passed on the measured value forwarder 20 that is implemented as screw rod 20b, and this measured value forwarder 20 that is implemented as screw rod 20b tangentially 22b changes its position left.As by the contrast between Fig. 4 and Fig. 5 as seen, by shown in the sense of rotation of rotation 12 of rotatable parts 10, the distance 24 between the left end face of the measured value forwarder 20 that is implemented as screw rod 20b and the range sensor 26 that arranges at interval with respect to measured value forwarder 20 vertically diminishes.The resolution of the rotation angle of the rotatable parts 10 that obtain can be by rotatable parts 10 the number of teeth of first gear ring 14 and/or the pitch of the screw thread 21b by screw rod 20b predesignate.
As by Fig. 6 and Fig. 7 further as seen, in the 3rd embodiment of shown foundation sensor module 1c of the present invention, measured value forwarder 20 is implemented as the tooth bar 20c that is directed in the mode that can longitudinally move, this tooth bar is so positioned, and makes first gear ring 14 of rotatable parts 10 and the regional 21c of the tooth portion of tooth bar 20c mesh.Thus, the rotation 12 of rotatable parts 10 is passed on the measured value forwarder 20 that is implemented as tooth bar 20c, and this measured value forwarder 20 that is implemented as tooth bar 20c tangentially 22b changes its position left.As by the contrast between Fig. 6 and Fig. 7 as seen, by shown in the sense of rotation of rotation 12 of rotatable parts 10, the distance 24 between the left end face of the measured value forwarder 20 that is implemented as tooth bar 20c and the range sensor 26 that arranges at interval with respect to measured value forwarder 20 vertically diminishes.The resolution of the rotation angle of the rotatable parts 10 that obtain can be by rotatable parts 10 the number of teeth of first gear ring 14 and/or the tooth pitch of the zone 21c of tooth portion by tooth bar 20c predesignate.
At the 4th embodiment of Fig. 8 and the foundation sensor module of the present invention shown in Fig. 9 basically with corresponding at first embodiment shown in Fig. 2 and Fig. 3, therefore save here being repeated in this description of the identical parts of 26S Proteasome Structure and Function, not existing together between embodiment only is discussed.Different with first embodiment, in the 4th embodiment two range sensor 26a, 26b and evaluation and control module 30a constitute one differential apart from sensing device.At this, the first range sensor 26a is arranged on the top of the measured value forwarder 20 that is configured to pinion wheel 20a, and obtain measured value forwarder 20 with respect to first reference point first apart from 24a.Second distance sensor 26b is arranged on the below of the measured value forwarder 20 that is configured to pinion wheel 20a, and obtains measured value forwarder 20 with respect to the second distance 24b of second reference point.As by the contrast between Fig. 8 and Fig. 9 as seen, by shown in the sense of rotation of rotation 12 of rotatable parts 10, the upper surface of the measured value forwarder 20 that is implemented as pinion wheel 20a and be arranged on measured value forwarder 20 above the first range sensor 26a between first diminish apart from 24a, and the lower surface of the measured value forwarder 20 that is implemented as pinion wheel 20a and be arranged on measured value forwarder 20 below second distance sensor 26b between second distance 24b become big.This is differential has realized compensation to disturbing effect, for example temperature etc. in an advantageous manner apart from sensing device.In addition, adopt a plurality of sensor 26a, 26b advantageously to realize the redundancy of the rotation angle on the rotatable parts 10 is determined.
Be described differential that combine with the measured value forwarder 20 that is implemented as pinion wheel 20a can be applied to be implemented as on the measured value forwarder 20 of screw rod 20b or tooth bar 20c apart from sensing device similarly.
A plurality of embodiment of the present invention provides the sensor module that is used for obtaining the rotation angle on the rotatable parts of vehicle, always can provide clear and definite position of rotation thereby this sensor module is converted to the stroke variation of machinery by rotatablely moving when rotatable parts rotation multi-turn.Advantageously, when electronic equipment lost efficacy, rotatablely moving still was retained on the altered travel position of machinery.Because the stroke alteration of machinery, even cutting off portfire or interrupting still can providing correct absolute rotation angle behind the battery, wherein can realize simultaneously operation especially reliably or can detect the identification especially reliably that realizes rotation angle by means of distance or rather.
Claims (14)
1. sensor module that is used for obtaining the rotation angle on the rotatable parts of vehicle, described rotatable parts connect with measured value forwarder (20) on its periphery, this measured value forwarder and at least one sensor (26,26a, 26b) combine and produce a signal that characterizes the rotation angle of rotatable parts (10), it is characterized in that, described measured value forwarder (20) is converter, this converter is converted to the rotation (12) of described rotatable parts (10) translation (22) of described measured value forwarder (20), wherein said at least one sensor (26,26a, 26b) obtain described measured value forwarder (20) the stroke of process, the trip characterizes the rotation angle of described rotatable parts (10).
2. according to the described sensor module of claim 1, it is characterized in that described measured value forwarder (20) is converted to described measured value forwarder (20) with respect to the axial translation (22a) of described rotatable parts (10) with the rotation (12) of described rotatable parts (10).
3. according to claim 1 or 2 described sensor modules, it is characterized in that, described measured value forwarder (20) is pinion wheel (20a), described pinion wheel is directed and is oriented at the bolt with corresponding external thread (21a) (21) in the mode that can longitudinally move by internal thread, makes first gear ring (14) of described rotatable parts (10) and second gear ring (20.1) of pinion wheel (20a) mesh.
4. according to the described sensor module of claim 3, it is characterized in that, the resolution of the rotation angle of the described rotatable parts (10) that obtain by rotatable parts (10) and measured value forwarder (20) ratio of gear and/or the pitch of the external thread (21a) by internal thread and/or bolt (21) predesignate.
5. according to the described sensor module of claim 1, it is characterized in that described measured value forwarder (20) is converted to described measured value forwarder (20) with respect to the tangential translation (22b) of described rotatable parts (10) with the rotation (12) of described rotatable parts (10).
6. according to claim 1 or 5 described sensor modules, it is characterized in that, the screw rod (20b) of described measured value forwarder (20) for being directed in the mode that can longitudinally move and can rotational motion, described screw rod is oriented to, and makes first gear ring (14) of described rotatable parts (10) and the screw thread (21b) of screw rod (20b) mesh.
7. according to the described sensor module of claim 6, it is characterized in that, the resolution of the rotation angle of the described rotatable parts (10) that obtain by first gear ring (14) of rotatable parts (10) the number of teeth and/or the pitch of the screw thread (21b) of screw rod (20b) predesignate.
8. according to claim 1 or 5 described sensor modules, it is characterized in that, the tooth bar (20c) of described measured value forwarder (20) for being directed in the mode that can vertically move, this tooth bar is oriented to, and makes first gear ring (14) of described rotatable parts (10) and tooth portion zone (21c) of tooth bar (20c) mesh.
9. according to the described sensor module of claim 8, it is characterized in that, the resolution of the rotation angle of the described rotatable parts (10) that obtain by first gear ring (14) of rotatable parts (10) the number of teeth and/or the tooth pitch of tooth portion zone (21c) by tooth bar (20c) predesignate.
10. according to any described sensor module in the claim 1 to 9, it is characterized in that, described at least one sensor (26,26a, 26b) is range sensor, described range sensor obtains described measured value forwarder (20) with respect to the distance of reference point (24,24a, 24b), and wherein at least one sensor (26,26a, 26b) is arranged on described measured value forwarder (20) and/or the reference point.
11. according to the described sensor module of claim 10, it is characterized in that, being provided with at least two sensors (26.1,26.2) is used for obtaining in the surface of described measured value forwarder (20) and the distance between the reference point accordingly (24,24a, 24b), wherein estimate and control module (30,30a) by the sensor signal that is provided by described at least two sensors (26.1,26.2) is estimated, obtains the inclination of described measured value forwarder (20).
12., it is characterized in that described at least one sensor (26,26a, 26b) is eddy current sensor (26.1,26.2) and/or capacitive transducer and/or ultrasonic sensor and/or optical sensor according to the described sensor module of claim 11.
13. according to any described sensor module in the claim 10 to 12, it is characterized in that, at least two sensors (26a, 26b) are differential apart from sensing device with evaluation and one of control module (30a) formation, wherein at least one first sensor (26a) obtains the first surface of described measured value forwarder (20) with respect to first distance (24a) of first reference point, and at least one second sensor (26b) obtains the second surface of measured value forwarder (20) with respect to the second distance (24b) of second reference point.
14., it is characterized in that described rotatable parts (10) are in order to obtain steering angle in the vehicle can not counterrotating mode connecting with bearing circle or steering column according to any described sensor module in the claim 1 to 13.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012202639.8 | 2012-02-21 | ||
| DE201210202639 DE102012202639A1 (en) | 2012-02-21 | 2012-02-21 | Sensor arrangement i.e. steering angle sensor, for detection of steering angle at gear wheel in vehicle, has sensor determining covered distance of measuring element, where covered distance represents rotational angle of rotary component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103256910A true CN103256910A (en) | 2013-08-21 |
Family
ID=48613805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100618758A Pending CN103256910A (en) | 2012-02-21 | 2013-02-19 | Sensor arrangement for detection of steering angle at gear wheel in vehicle |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2013171047A (en) |
| CN (1) | CN103256910A (en) |
| DE (1) | DE102012202639A1 (en) |
| FR (1) | FR2987113B1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241373A (en) * | 2014-05-08 | 2016-01-13 | 罗伯特·博世有限公司 | Sensor arrangement for sensing rotation angles on a rotating component in a vehicle |
| CN105460122A (en) * | 2014-09-26 | 2016-04-06 | 株式会社岛野 | Crank angle indicating system |
| CN105637325A (en) * | 2013-10-18 | 2016-06-01 | 罗伯特·博世有限公司 | Sensor assembly for detecting angles of rotation on a rotating component in a vehicle |
| WO2017080329A1 (en) * | 2015-11-13 | 2017-05-18 | 珠海格力电器股份有限公司 | Angle sensor and angle measurement method |
| CN112923895A (en) * | 2021-01-22 | 2021-06-08 | 武汉木仓科技股份有限公司 | General angle detection device and vehicle |
| CN113518729A (en) * | 2019-03-08 | 2021-10-19 | 株式会社村田制作所 | Optical control device and head-up display device including the same |
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| DE102013225877A1 (en) | 2013-12-13 | 2015-06-18 | Zf Friedrichshafen Ag | Method and device for determining a rotation angle and / or a rotational speed of a motor shaft of a motor |
| DE102014208658A1 (en) | 2014-05-08 | 2015-11-12 | Robert Bosch Gmbh | Sensor arrangement for detecting angles of rotation on a rotating component in a vehicle |
| DE102014208655A1 (en) | 2014-05-08 | 2015-11-12 | Robert Bosch Gmbh | Sensor arrangement for the contactless detection of angles of rotation on a rotating component |
| DE102014208657A1 (en) | 2014-05-08 | 2015-11-12 | Robert Bosch Gmbh | Sensor arrangement for detecting angles of rotation on a rotating component in a vehicle |
| DE102015206711A1 (en) | 2015-04-15 | 2016-10-20 | Robert Bosch Gmbh | Rotation angle measuring arrangement and method for detecting a rotation angle of a rotatable component |
| DE102015209425A1 (en) | 2015-05-22 | 2016-11-24 | Robert Bosch Gmbh | Sensor arrangement for detecting angles of rotation on a rotating component in a vehicle |
| CN106839970B (en) * | 2017-02-23 | 2018-01-19 | 吉林大学 | A kind of steering wheel angle measurement apparatus and method for driving data acquisition system |
| DE102022101174A1 (en) | 2022-01-19 | 2022-12-29 | Schaeffler Technologies AG & Co. KG | Steering unit for a steer-by-wire steering system and method for steering angle detection |
| CN114964120B (en) * | 2022-02-10 | 2024-05-31 | 贵州大学 | System for rotary detection frame expression mode based on angle information decoupling |
| DE202022102145U1 (en) | 2022-04-21 | 2023-05-25 | Igus Gmbh | rotary encoder |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102012202639A1 (en) | 2013-08-22 |
| FR2987113B1 (en) | 2018-03-02 |
| FR2987113A1 (en) | 2013-08-23 |
| JP2013171047A (en) | 2013-09-02 |
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Application publication date: 20130821 |