DE102012022122A1 - Torque sensor assembly for steering column of vehicle, has sensor, signal transmitter coupled with input shaft and another signal transmitter coupled with output shaft - Google Patents
Torque sensor assembly for steering column of vehicle, has sensor, signal transmitter coupled with input shaft and another signal transmitter coupled with output shaft Download PDFInfo
- Publication number
- DE102012022122A1 DE102012022122A1 DE102012022122A DE102012022122A DE102012022122A1 DE 102012022122 A1 DE102012022122 A1 DE 102012022122A1 DE 102012022122 A DE102012022122 A DE 102012022122A DE 102012022122 A DE102012022122 A DE 102012022122A DE 102012022122 A1 DE102012022122 A1 DE 102012022122A1
- Authority
- DE
- Germany
- Prior art keywords
- steering
- shaft
- output shaft
- input shaft
- sensor arrangement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/22—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers
- G01L5/221—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the force applied to control members, e.g. control members of vehicles, triggers to steering wheels, e.g. for power assisted steering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
- B62D6/08—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque
- B62D6/10—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits responsive only to driver input torque characterised by means for sensing or determining torque
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
- G01L3/04—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft
- G01L3/10—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating
- G01L3/101—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means
- G01L3/104—Rotary-transmission dynamometers wherein the torque-transmitting element comprises a torsionally-flexible shaft involving electric or magnetic means for indicating involving magnetic or electromagnetic means involving permanent magnets
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Steering Mechanism (AREA)
Abstract
Description
Die Erfindung betrifft eine Drehmomentsensoranordnung für eine Lenksäule eines Fahrzeugs mit einer mit einem Lenkrad gekoppelten Eingangswelle, einer mit einem Zahnrad eines Lenkgetriebes gekoppelten Ausgangswelle, wobei das Zahnrad zur Übertragung eines Lenkmoments auf eine Zahnstange des Lenkgetriebes vorgesehen ist, einer die Eingangswelle und die Ausgangswelle miteinander verbindenden Drehstabfeder und eine Sensoranordnung zur Erfassung einer Relativbewegung zwischen der Eingangswelle und der Ausgangswelle.The invention relates to a torque sensor assembly for a steering column of a vehicle having a coupled to a steering wheel input shaft, coupled to a gear of a steering gear output shaft, wherein the gear for transmitting a steering torque is provided on a rack of the steering gear, one of the input shaft and the output shaft interconnecting A torsion bar spring and a sensor arrangement for detecting a relative movement between the input shaft and the output shaft.
Aus dem Stand der Technik sind verschiedene Drehmomentsensoranordnungen für Lenksäulen von Fahrzeugen bekannt, mittels denen ein Lenkmoment in einer elektromechanischen Lenkung messbar ist. In Abhängigkeit des aufgebrachten Lenkmoments ist unter Berücksichtigung weiterer Fahrzeugparameter eine Größe einer elektrischen Lenkkraftunterstützung einstellbar.Various torque sensor arrangements for steering columns of vehicles are known from the prior art, by means of which a steering torque in an electromechanical steering can be measured. As a function of the applied steering torque, taking into account further vehicle parameters, it is possible to set a magnitude of an electric power steering assistance.
Aus der
Die Aufgabe wird erfindungsgemäß mit einer Drehmomentsensoranordnung gelöst, welche die im Anspruch 1 angegebenen Merkmale aufweist.The object is achieved with a torque sensor arrangement having the features specified in
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der Unteransprüche.Advantageous embodiments of the invention are the subject of the dependent claims.
Die Drehmomentsensoranordnung für eine Lenksäule eines Fahrzeugs umfasst eine mit einem Lenkrad gekoppelte Eingangswelle, eine mit einem Zahnrad eines Lenkgetriebes gekoppelte Ausgangswelle, wobei das Zahnrad zur Übertragung eines Lenkmoments auf eine Zahnstange des Lenkgetriebes vorgesehen ist. Die Drehmomentsensoranordnung umfasst weiterhin eine die Eingangswelle und die Ausgangswelle miteinander verbindende Drehstabfeder sowie eine Sensoranordnung zur Erfassung einer Relativbewegung zwischen der Eingangswelle und der Ausgangswelle.The torque sensor assembly for a steering column of a vehicle includes an input shaft coupled to a steering wheel, an output shaft coupled to a gear of a steering gear, the gear being for transmitting a steering torque to a rack of the steering gear. The torque sensor arrangement further comprises a torsion bar spring which connects the input shaft and the output shaft and a sensor arrangement for detecting a relative movement between the input shaft and the output shaft.
Erfindungsgemäß umfasst die Sensoranordnung zumindest einen Sensor, einen mit der Eingangswelle gekoppelten ersten Signalgeber und einen mit der Ausgangswelle gekoppelten zweiten Signalgeber, wobei die Sensoranordnung vom Lenkrad aus betrachtet hinter dem Zahnrad angeordnet ist.According to the invention, the sensor arrangement comprises at least one sensor, a first signal generator coupled to the input shaft and a second signal transmitter coupled to the output shaft, wherein the sensor arrangement is arranged behind the gear viewed from the steering wheel.
Aufgrund der erfindungsgemäßen Anordnung der Sensoranordnung nach dem Zahnrad, d. h. nach dem Lenkgetriebe, kann ein Bauraumgewinn vor dem Zahnrad realisiert werden, welcher zur Anordnung eines vollwertigen Verteilergetriebes für eine Vorderachse, insbesondere bei Allradfahrzeugen, nutzbar ist.Due to the inventive arrangement of the sensor arrangement after the gear, d. H. After the steering gear, a space gain can be realized in front of the gear, which can be used for the arrangement of a full transfer case for a front axle, especially in four-wheel drive vehicles.
Ausführungsbeispiele der Erfindung werden im Folgenden anhand von Zeichnungen näher erläutert.Embodiments of the invention are explained in more detail below with reference to drawings.
Dabei zeigen:Showing:
Einander entsprechende Teile sind in allen Figuren mit den gleichen Bezugszeichen versehen.Corresponding parts are provided in all figures with the same reference numerals.
In den
Die Lenkung
Zur Lenkunterstützung umfasst die Lenkung
Zur Ermittlung des aufgebrachten Lenkmoments ist die Drehmomentsensoranordnung
Die Drehmomentsensoranordnung
Die Lenkung
Zur Lenkunterstützung umfasst die Lenkung
Zur Ermittlung des aufgebrachten Lenkmoments ist die erfindungsgemäße Drehmomentsensoranordnung
Die Sensoranordnung
Die Sensoranordnung
Zur Realisierung dieser Anordnung sind die Eingangswelle
In
In
Um die in
Im Folgenden wird die Auslegung der Drehstabfeder
Die Ermittlung des Außendurchmessers da der Drehstabfeder
Somit ergibt sich für die oben genannten beispielhaften Werte bei gegebenen Innendurchmesser d, und daraus folgend gegebenem Innenradius ri der Drehstabfeder
Daraus folgend beträgt der Außendurchmesser da der Drehstabfeder
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Lenkungsteering
- 22
- DrehmomentsensoranordnungTorque sensor assembly
- 33
- Lenksäulesteering column
- 3.13.1
- Eingangswelleinput shaft
- 3.1.13.1.1
- Aussparungrecess
- 3.23.2
- Ausgangswelleoutput shaft
- 3.2.13.2.1
- Stegweb
- 44
- Lenkgetriebesteering gear
- 4.14.1
- Zahnradgear
- 4.24.2
- Zahnstangerack
- 55
- Elektromotorelectric motor
- 66
- Verbindungconnection
- 77
- VerteilergetriebeTransfer Case
- 88th
- Spurstangetie rod
- 99
- Spurstangetie rod
- 1010
- DrehstabfederTorsion bar
- 1111
- Sensoranordnungsensor arrangement
- 11.111.1
- Sensorsensor
- 11.1.111.1.1
- Erfassungseinheitacquisition unit
- 11.211.2
- erster Signalgeberfirst signaler
- 11.311.3
- zweiter Signalgebersecond signal generator
- 1212
- Messwellemeasuring shaft
- 1313
- Lageranordnungbearing arrangement
- 1414
- Lageranordnungbearing arrangement
- 1515
- DrehstabfederTorsion bar
- dd
- Durchmesserdiameter
- da d a
- Außendurchmesserouter diameter
- di d i
- InnendurchmesserInner diameter
- dm d m
- Durchmesserdiameter
- rr
- Radiusradius
- ra r a
- Außenradiusouter radius
- ri i
- Innenradiusinner radius
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 10336853 A1 [0003] DE 10336853 A1 [0003]
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012022122A DE102012022122A1 (en) | 2012-11-13 | 2012-11-13 | Torque sensor assembly for steering column of vehicle, has sensor, signal transmitter coupled with input shaft and another signal transmitter coupled with output shaft |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012022122A DE102012022122A1 (en) | 2012-11-13 | 2012-11-13 | Torque sensor assembly for steering column of vehicle, has sensor, signal transmitter coupled with input shaft and another signal transmitter coupled with output shaft |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102012022122A1 true DE102012022122A1 (en) | 2013-06-06 |
Family
ID=48431438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE102012022122A Withdrawn DE102012022122A1 (en) | 2012-11-13 | 2012-11-13 | Torque sensor assembly for steering column of vehicle, has sensor, signal transmitter coupled with input shaft and another signal transmitter coupled with output shaft |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102012022122A1 (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH427343A (en) * | 1963-07-24 | 1966-12-31 | Bayer Ag | Device for measuring the torsion of a cylindrical hollow body mounted on one side |
DE3703591A1 (en) * | 1987-02-06 | 1988-08-18 | Audi Ag | Device for producing an electric signal |
US4972725A (en) * | 1988-07-26 | 1990-11-27 | Thomson-Csf | Torsion angle capacitive sensor and torque measuring |
DE19703903A1 (en) * | 1997-02-03 | 1998-08-13 | Bosch Gmbh Robert | Steering angle sensor |
DE19854687A1 (en) * | 1998-11-26 | 2000-05-31 | Mercedes Benz Lenkungen Gmbh | Torque or force sensor for use in motor vehicle linkages; has piezoelectric sensor placed in roller bearing of linkage, to determine applied torque or force |
DE19958504A1 (en) * | 1999-12-04 | 2001-06-07 | Bosch Gmbh Robert | Sensor arrangement for detecting an angle of rotation and / or a torque |
DE10336853A1 (en) | 2003-08-11 | 2005-03-10 | Volkswagen Ag | Torque sensor for a steering column has a magnet attached to a first part of the steering column and a coil attached to a second part of the steering column so that it is opposite to the magnet |
DE102010045449A1 (en) * | 2010-09-15 | 2012-03-15 | Sew-Eurodrive Gmbh & Co. Kg | Arrangement for detecting torque conveyed from shaft of lubrication oil filled transmission, has filter connected with shaft at point, and another filter arranged at another point, where shaft section sub region is arranged between points |
-
2012
- 2012-11-13 DE DE102012022122A patent/DE102012022122A1/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH427343A (en) * | 1963-07-24 | 1966-12-31 | Bayer Ag | Device for measuring the torsion of a cylindrical hollow body mounted on one side |
DE3703591A1 (en) * | 1987-02-06 | 1988-08-18 | Audi Ag | Device for producing an electric signal |
US4972725A (en) * | 1988-07-26 | 1990-11-27 | Thomson-Csf | Torsion angle capacitive sensor and torque measuring |
DE19703903A1 (en) * | 1997-02-03 | 1998-08-13 | Bosch Gmbh Robert | Steering angle sensor |
DE19854687A1 (en) * | 1998-11-26 | 2000-05-31 | Mercedes Benz Lenkungen Gmbh | Torque or force sensor for use in motor vehicle linkages; has piezoelectric sensor placed in roller bearing of linkage, to determine applied torque or force |
DE19958504A1 (en) * | 1999-12-04 | 2001-06-07 | Bosch Gmbh Robert | Sensor arrangement for detecting an angle of rotation and / or a torque |
DE10336853A1 (en) | 2003-08-11 | 2005-03-10 | Volkswagen Ag | Torque sensor for a steering column has a magnet attached to a first part of the steering column and a coil attached to a second part of the steering column so that it is opposite to the magnet |
DE102010045449A1 (en) * | 2010-09-15 | 2012-03-15 | Sew-Eurodrive Gmbh & Co. Kg | Arrangement for detecting torque conveyed from shaft of lubrication oil filled transmission, has filter connected with shaft at point, and another filter arranged at another point, where shaft section sub region is arranged between points |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R163 | Identified publications notified | ||
R230 | Request for early publication | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |