WO2017102147A1 - Nockenwellengeberrad - Google Patents
Nockenwellengeberrad Download PDFInfo
- Publication number
- WO2017102147A1 WO2017102147A1 PCT/EP2016/075533 EP2016075533W WO2017102147A1 WO 2017102147 A1 WO2017102147 A1 WO 2017102147A1 EP 2016075533 W EP2016075533 W EP 2016075533W WO 2017102147 A1 WO2017102147 A1 WO 2017102147A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- length
- long
- elevation
- medium
- depression
- Prior art date
Links
Classifications
-
- 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
- G01D5/14—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 influencing the magnitude of a current or voltage
- G01D5/142—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 influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/145—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 influencing the magnitude of a current or voltage using Hall-effect devices influenced by the relative movement between the Hall device and magnetic fields
-
- 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
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/245—Housings for sensors
-
- 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
- G01D5/14—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 influencing the magnitude of a current or voltage
- G01D5/142—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 influencing the magnitude of a current or voltage using Hall-effect devices
- G01D5/147—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 influencing the magnitude of a current or voltage using Hall-effect devices influenced by the movement of a third element, the position of Hall device and the source of magnetic field being fixed in respect to each other
-
- 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
- G01D5/244—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 influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/245—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 influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
- G01D5/2451—Incremental encoders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/487—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by rotating magnets
-
- 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
- G01D2205/70—Position sensors comprising a moving target with particular shapes, e.g. of soft magnetic targets
- G01D2205/77—Specific profiles
- G01D2205/771—Toothed profiles
Definitions
- a donor wheel disks which are rotatably connected to a rotatable shaft.
- a transmitter wheel along its circumference on different areas, which generate different sensor signals due to different physical properties when moving past a stationary sensor.
- a common implementation of a donor gear is a gear having different segments along its circumference, with individual segments being characterized by being either elevations or depressions relative to an imaginary mean radius. If such a sensor wheel moves past a Hall sensor or an inductive sensor in the vicinity of which there is a magnet, the sensor can register the magnetic field changes caused by the elevations or depressions and thus information about the rotational position of the transmitter wheel or a shaft connected to the transmitter wheel deliver.
- Such donor wheels are used, for example, to indicate the rotational position of a camshaft in an internal combustion engine. Encoder wheels used in this application are called camshaft gears.
- a first design has 140-40 degree segments relative to the crankshaft, ie, the circumference of the sender wheel is formed alternately by four ridges and four pits, the ridges 140 degrees and the pits 40 degrees relative to the crankshaft.
- the length of elevations and depressions may alternatively be reversed.
- a second design on the market has 180-128-52 degree segments. That is, it includes a 180 degree length extension followed by a 128 degree length depression followed by a 52 degree length increase followed by a 180 degree length depression followed by a 128 degree length extension followed by a 52 degree length depression. Immediately to the recess of 52 degrees length includes the aforementioned increase of 180 degrees in length.
- the 140-40 degree segment camshaft gear is optimized for use with camshaft timing systems, which maximizes the signal ratio for long and short segment detection. This results in a maximum adjustment range of the camshaft of 100 degrees crankshaft, which is limited in practice, due to tolerances, but to about 80 degrees.
- the 180-128-52 degree camshaft gear is optimized for fast phase finding, but is not intended for use in camshaft timing systems. Although there is theoretically an adjustment range of 180 degrees crankshaft for the camshaft, however, this design is sensitive to errors, so that it can only be reliably used with slowly adjusted camshafts.
- the encoder wheel according to claim 1 has the advantage that along its circumference elevations and depressions are formed, each forming a segment that can be detected by a magnetic field-sensitive sensor upon movement of the encoder wheel.
- the donor wheel according to the invention comprises a long elevation, a mid-length elevation and a short elevation and a long depression, a medium-length depression and a short depression, the long increase being as long as the long depression, the medium-length increase being as long as the medium-length depression is and where the short increase as long as the short well is.
- the length of the long increase is related to the length of the medium-long increase, and the length of the medium increase to the length of the short increase.
- the length of the long elevation and the length of the long recess are thus each 180 degrees crankshaft, which corresponds to 90 degrees relative to a full circle. Within the scope of usual manufacturing tolerances results in a length of about 90 degrees relative to a full circle.
- the length of the short elevation and the length of the short depression are thus each 68.754 degrees crankshaft, which corresponds to 34.377 degrees relative to a full circle. Within the scope of usual manufacturing tolerances results in a length of about 34 degrees relative to a full circle.
- the elevations and depressions along the circumference of the encoder wheel are arranged so that the long recess and the long elevation do not form two segments directly adjacent to each other.
- the medium-length elevation and the medium-length depression do not form two segments directly adjacent to each other.
- the short rise and the short groove do not form two immediately adjacent segments.
- immediately adjacent segments are meant two segments that are not spaced apart by a third segment.
- the encoder wheel according to the invention has the advantage of providing constant signal ratios between each two adjacent segments, so that the individual segments can be identified robustly and reliably.
- Fig. 1 is a schematic representation of a sensor wheel according to the invention.
- Figure 1 shows a schematic representation of a sensor wheel (1) which is non-rotatably connected to a camshaft (2).
- the circumference of the encoder wheel (1) in this case has a short increase (3 a), to which - in the present example in
- a long recess (4c) connects.
- the long depression (4c) is adjoined by a medium-length elevation (3b), which in turn is followed by a short depression (4a).
- the short depression (4a) is adjoined by a long elevation (3c), which is adjoined by a medium-length depression (4b).
- On the medium-long depression (4b) follows again the short increase (3a).
- the elevations (3a, 3b, 3c) and the recesses (4a, 4b, 4c) each form a segment that during a rotational movement in front of a camshaft sensor
- the length of the long rise (3c) corresponds to the length of the long depression (4c).
- the length of the medium-length increase (3b) corresponds to the length of the medium-length depression (4b).
- the length of the short elevation (3a) corresponds to the length of the short depression (4a).
- the ratio of the length of the long increase (3c) to the medium increase (3b) corresponds to the ratio of the length of the medium-length increase (3b) to
- the length of the long elevation (3c) is preferably about 180 degrees crankshaft, which corresponds to 90 degrees of a full circle.
- the length of the medium-length elevation (3b) is preferably about 111 degrees crankshaft, which corresponds to about 56 degrees of a full circle.
- the length of the short increase (3a) is preferably about 69 degrees crankshaft, which corresponds to about 34 degrees of a full circle.
- the length of the long increase (3c) is exactly 180 crankshaft, the length of the average increase 111.246 degrees
- crankshaft and the length of the short elevation (3a) 68.754 degrees crankshaft are crankshaft and the length of the short elevation (3a) 68.754 degrees crankshaft.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680074253.0A CN108369111A (zh) | 2015-12-17 | 2016-10-24 | 凸轮轴传感轮 |
KR1020187019516A KR20180093999A (ko) | 2015-12-17 | 2016-10-24 | 캠샤프트 인코더 휠 |
JP2018531509A JP2018537688A (ja) | 2015-12-17 | 2016-10-24 | カムシャフトエンコーダホイール |
US15/774,320 US10883854B2 (en) | 2015-12-17 | 2016-10-24 | Camshaft sensor wheel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015225556.5 | 2015-12-17 | ||
DE102015225556.5A DE102015225556A1 (de) | 2015-12-17 | 2015-12-17 | Nockenwellengeberrad |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017102147A1 true WO2017102147A1 (de) | 2017-06-22 |
Family
ID=57211499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/075533 WO2017102147A1 (de) | 2015-12-17 | 2016-10-24 | Nockenwellengeberrad |
Country Status (6)
Country | Link |
---|---|
US (1) | US10883854B2 (de) |
JP (1) | JP2018537688A (de) |
KR (1) | KR20180093999A (de) |
CN (1) | CN108369111A (de) |
DE (1) | DE102015225556A1 (de) |
WO (1) | WO2017102147A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017209939B4 (de) * | 2017-06-13 | 2019-12-19 | Robert Bosch Gmbh | Geberrad und Verfahren zum Bestimmen einer Drehposition einer Welle |
US11450462B2 (en) | 2019-02-18 | 2022-09-20 | Canon Kabushiki Kaisha | Operation device that produces clicking sensation, and electronic apparatus |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2453125A1 (de) * | 2009-07-09 | 2012-05-16 | Toyota Jidosha Kabushiki Kaisha | Startsteuerungssystem für verbrennungsmotor |
DE102012021337B3 (de) * | 2012-10-12 | 2013-08-22 | Carl Freudenberg Kg | Verfahren zur Herstellung einer Geberradanordnung |
US20140195186A1 (en) * | 2011-08-04 | 2014-07-10 | Continental Automotive Gmbh | Automatic calibration method for a motor vehicle a camshaft sensor |
US20150020581A1 (en) * | 2013-07-22 | 2015-01-22 | Robert Bosch Gmbh | Method and device for ascertaining a position of a camshaft and a phase of an internal combustion engine |
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JPS604664B2 (ja) * | 1977-09-01 | 1985-02-05 | 松下電器産業株式会社 | モータ装置 |
US5070727A (en) * | 1990-11-16 | 1991-12-10 | General Motors Corporation | Crankshaft angular position detecting apparatus |
US6073713A (en) * | 1998-03-25 | 2000-06-13 | Ford Global Technologies, Inc. | Crankshaft position sensing with combined starter alternator |
JP4320821B2 (ja) * | 1999-02-23 | 2009-08-26 | トヨタ自動車株式会社 | 内燃機関の燃料噴射制御装置及び燃料噴射制御方法 |
US6541959B2 (en) * | 2001-02-27 | 2003-04-01 | S & S Cycle, Inc. | Angular position sensing system with magnet and rotor arrangement |
US6815944B2 (en) * | 2002-01-31 | 2004-11-09 | Allegro Microsystems, Inc. | Method and apparatus for providing information from a speed and direction sensor |
AU2003249289A1 (en) * | 2002-07-17 | 2004-02-02 | The Timken Company | Apparatus and method for absolute angular position sensing |
US7104119B1 (en) * | 2005-03-08 | 2006-09-12 | Delphi Technologies, Inc. | Method and apparatus for determining rotary position |
US20070251474A1 (en) * | 2006-05-01 | 2007-11-01 | Gauthier Daniel G | Cam phasing system with mid-range engine shutdown |
DE102007029817B9 (de) * | 2007-06-28 | 2017-01-12 | Infineon Technologies Ag | Magnetfeldsensor und Verfahren zur Kalibration eines Magnetfeldsensors |
US8886471B2 (en) * | 2008-06-26 | 2014-11-11 | Infineon Technologies Ag | Rotation sensing method and system |
JP2011157835A (ja) * | 2010-01-29 | 2011-08-18 | Toyota Motor Corp | 回転角検出装置およびその組付方法 |
US8682564B2 (en) * | 2010-08-30 | 2014-03-25 | Delphi Technologies, Inc. | Camshaft position sensing in engines with electric variable cam phasers |
US8548716B2 (en) * | 2011-11-23 | 2013-10-01 | Ford Global Technologies, Llc | Variable cam control in an engine |
JP5797683B2 (ja) * | 2013-03-21 | 2015-10-21 | 本田技研工業株式会社 | 内燃機関の回転位相検出装置 |
JP2015214952A (ja) * | 2014-05-13 | 2015-12-03 | 株式会社デンソー | 内燃機関制御装置 |
US10466071B2 (en) * | 2014-08-06 | 2019-11-05 | Infineon Technologies Ag | True-phase two-dimensional magnetic field sensor |
US9765711B2 (en) * | 2015-05-27 | 2017-09-19 | Deere & Company | System and method for determining information related to a rotation of a shaft |
US9605975B2 (en) * | 2015-06-05 | 2017-03-28 | Allegro Micorsystems, Llc | Magnetic field sensor for orientation independent speed and direction measurement |
FR3041426B1 (fr) * | 2015-09-18 | 2019-03-22 | Continental Automotive France | Procede de calibration automatique d'un capteur d'arbre a cames pour moteur de vehicule automobile |
FR3042860B1 (fr) * | 2015-10-26 | 2017-11-03 | Continental Automotive France | Procede de determination de la position angulaire d'un moteur |
FR3044087B1 (fr) * | 2015-11-25 | 2018-11-16 | Continental Automotive France | Procede de calibration automatique d’un capteur d’arbre a cames pour moteur de vehicule automobile et capteur associe |
US10254303B2 (en) * | 2016-05-09 | 2019-04-09 | Infineon Technologies Ag | Twist independent mounting of a wheel speed sensor using a differential magnetoresistive sensor |
DE102016224856A1 (de) * | 2016-12-13 | 2018-06-14 | Robert Bosch Gmbh | Sensorsystem zur Bestimmung mindestens einer Rotationseigenschaft eines um mindestens eine Rotationsachse rotierenden Elements |
US9933448B1 (en) * | 2017-01-11 | 2018-04-03 | Infineon Technologies Ag | Stray-field robust, twist-insensitive magnetic speed sensors |
US10739368B2 (en) * | 2017-05-18 | 2020-08-11 | Infineon Technologies Ag | Incremental speed sensor with redundant sensor elements |
-
2015
- 2015-12-17 DE DE102015225556.5A patent/DE102015225556A1/de active Pending
-
2016
- 2016-10-24 US US15/774,320 patent/US10883854B2/en active Active
- 2016-10-24 CN CN201680074253.0A patent/CN108369111A/zh active Pending
- 2016-10-24 JP JP2018531509A patent/JP2018537688A/ja active Pending
- 2016-10-24 KR KR1020187019516A patent/KR20180093999A/ko not_active Application Discontinuation
- 2016-10-24 WO PCT/EP2016/075533 patent/WO2017102147A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2453125A1 (de) * | 2009-07-09 | 2012-05-16 | Toyota Jidosha Kabushiki Kaisha | Startsteuerungssystem für verbrennungsmotor |
US20140195186A1 (en) * | 2011-08-04 | 2014-07-10 | Continental Automotive Gmbh | Automatic calibration method for a motor vehicle a camshaft sensor |
DE102012021337B3 (de) * | 2012-10-12 | 2013-08-22 | Carl Freudenberg Kg | Verfahren zur Herstellung einer Geberradanordnung |
US20150020581A1 (en) * | 2013-07-22 | 2015-01-22 | Robert Bosch Gmbh | Method and device for ascertaining a position of a camshaft and a phase of an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
US10883854B2 (en) | 2021-01-05 |
US20200256704A1 (en) | 2020-08-13 |
KR20180093999A (ko) | 2018-08-22 |
CN108369111A (zh) | 2018-08-03 |
DE102015225556A1 (de) | 2017-06-22 |
JP2018537688A (ja) | 2018-12-20 |
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