DE10333973A1 - Pulse generator arrangement for determining the positional angle and rate of rotation of an engine especially a vehicle starter motor using the same pulse generator wheel for both measurements - Google Patents
Pulse generator arrangement for determining the positional angle and rate of rotation of an engine especially a vehicle starter motor using the same pulse generator wheel for both measurements Download PDFInfo
- Publication number
- DE10333973A1 DE10333973A1 DE2003133973 DE10333973A DE10333973A1 DE 10333973 A1 DE10333973 A1 DE 10333973A1 DE 2003133973 DE2003133973 DE 2003133973 DE 10333973 A DE10333973 A DE 10333973A DE 10333973 A1 DE10333973 A1 DE 10333973A1
- Authority
- DE
- Germany
- Prior art keywords
- sensors
- wheel
- arrangement according
- measuring
- measuring 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.)
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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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
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
Die Erfindung betrifft eine Messanordnung zur Erfassung des Lagewinkels und der Drehzahl einer Maschine, insbesondere eines Startergenerators, gemäß dem Oberbegriff des Patentanspruchs 1.The The invention relates to a measuring arrangement for detecting the positional angle and the speed of a machine, in particular a starter generator, according to the generic term of claim 1
In Kraftfahrzeugen werden üblicherweise Generatoren zur elektrischen Versorgung des Bordnetzes eingesetzt. Diese sind mit dem Verbrennungsmotor des Fahrzeugs mechanisch verkoppelt und werden von diesem im Generatorbetrieb angetrieben. Startergeneratoren sind darüber hinaus in der Lage, den Verbrennungsmotor motorisch anzutreiben und zu starten.In Motor vehicles are usually generators used for the electrical supply of the electrical system. These are mechanically coupled with the internal combustion engine of the vehicle and are powered by this generator mode. starter generators are over it In addition, able to drive the engine by motor and start.
Der
(elektrische) Lagewinkel des Generators
Die Drehzahlinformation wird beispielsweise für Fahrdynamikregelungssysteme, wie z.B. ESP oder ABS benötigt.The Speed information is for example for vehicle dynamics control systems, such as. ESP or ABS needed.
Aus
dem Stand der Technik ist es bekannt, den elektrischen Lagewinkel
eines Generators
Die Drehzahl des Verbrennungsmotors wird in der Regel mittels eines gezähnten Impulsgeberrades gemessen, das an der Kurbelwelle des Motors angeordnet ist. Ferner ist ein Drehzahlmesser vorgesehen, der nahe dem Geberrad angeordnet ist.The Speed of the internal combustion engine is usually by means of a toothed Pulse wheel measured, which is arranged on the crankshaft of the engine is. Furthermore, a tachometer is provided, which is close to the encoder wheel is arranged.
Diese Messanordnung mit einem Polrad zur Phasenbestimmung und einem zusätzlichen Impulsgeberrad zur Drehzahlbestimmung ist relativ aufwendig und teuer. Es ist daher die Aufgabe der vorliegenden Erfindung, eine Messanordnung zum Messen des Lagewinkels und der Drehzahl einer Maschine wesentlich zu vereinfachen.These Measuring arrangement with a pole wheel for phase determination and an additional Pulse wheel for speed determination is relatively expensive and expensive. It is therefore the object of the present invention to provide a Measuring arrangement for measuring the position angle and the speed of a Considerably simplify the machine.
Gelöst wird diese Aufgabe gemäß der Erfindung durch im Patentanspruch 1 angegebenen Merkmale. Weitere Ausgestaltungen der Erfindung sind Gegenstand von Unteransprüchen.Is solved this task according to the invention by specified in claim 1 features. Further embodiments The invention are the subject of subclaims.
Ein wesentlicher Aspekt der Erfindung besteht darin, sowohl den Lagewinkel als auch eine Drehzahl, insbesondere eines Starter-Generators, mittels eines einzigen Impulsgeberrades aufzunehmen, an dem mehrere Sensoren angeordnet sind. Das Impulsgeberrad hat vorzugsweise eine an einer seiner Seitenflächen angeordnete Zähnung (im folgenden als seitliche Zähnung bezeichnet), mit der wenigstens einer der Sensoren. zusammenwirkt. Die seitliche Zähnung hat den Vorteil, dass die Sensoren besonders leicht ein- und ausgebaut werden können. Bei einer umfangsseitigen Zähnung müsste das Gehäuse der Maschine entsprechend an die Sensoren angepasst werden.One essential aspect of the invention is both the attitude angle as well as a rotational speed, in particular of a starter-generator, by means of a single pulse wheel to record at the multiple sensors are arranged. The pulse wheel preferably has one on one of its faces arranged perforation (in the following as lateral perforation designated), with the at least one of the sensors. interacts. The lateral perforation has the advantage that the sensors are particularly easy to install and remove can be. at a peripheral perforation should the housing adapted to the sensors according to the machine.
Gemäß einer bevorzugten Ausführungsform der Erfindung sind wenigstens zwei Sensoren zur Messung des Lagewinkels und der Drehzahl vorgesehen, von denen wenigstens einer nach einem Differenz-Messprinzip, wie z.B. dem Differenz-Hall-Prinzip, arbeitet. Ein solcher Differenz-Sensor umfasst zwei Sensorelemente, die räumlich versetzt zueinander angeordnet sind. Aus der Differenz der einzelnen Signale dieser Sensorelemente, wie z.B. Hall-Plättchen, kann wiederum eine Information über den Lagewinkel erhalten werden.According to one preferred embodiment of Invention are at least two sensors for measuring the attitude angle and the speed provided, of which at least one after one Differential measuring principle, such as the difference-hall principle, works. Such a differential sensor comprises two sensor elements which are spatially offset are arranged to each other. From the difference of the individual signals these sensor elements, such as e.g. Hall tile, turn one can information about the attitude angle can be obtained.
Ein Teil der Sensoren mit der zugehörigen Auswerteeinheit kann beispielsweise ausschließlich zur Drehzahlmessung und ein anderer Teil der Sensoren ausschließlich zur Winkelmessung verwendet werden. D.h. es gibt einen Drehzahlsensor und einen Lagesensor (bestehend aus einem oder mehreren Sensoren), deren Signale separat ausgewertet werden. Vorzugsweise werden die Signale wenigstens eines Sensors jedoch sowohl zur Drehzahlmessung als auch zur Lagewinkelmessung verwendet. Die Sensorsignale (Impulssignale) werden in diesem Fall vorzugsweise einer Auswerteeinheit zugeführt, die daraus beide Messgrößen bestimmt.One Part of the sensors with the associated evaluation unit can for example exclusively for Speed measurement and another part of the sensors exclusively for Angle measurement can be used. That there is a speed sensor and a position sensor (consisting of one or more sensors), their signals are evaluated separately. Preferably, the Signals of at least one sensor, however, both for speed measurement as also used for position angle measurement. The sensor signals (pulse signals) are in this case preferably supplied to an evaluation unit, the thereof both measured variables determined.
Die Sensoren sind vorzugsweise solche Sensoren, die ein impulsförmiges Messsignal ausgeben. Dies können beispielsweise Hall-Sensoren, magnetoresistive Sensoren oder induktive Sensoren sein.The Sensors are preferably such sensors, which are a pulse-shaped measuring signal output. This can For example, Hall sensors, magnetoresistive sensors or inductive Be sensors.
Eine besonders einfache und kostengünstige Realisierung einer erfindungsgemäßen Messanordnung ergibt sich, wenn sämtliche Sensoren zur Lagewinkel- und Drehzahlmessung mit der gleichen, vorzugsweise der seitlichen Zähnung zusammenwirken, Das Impulsgeberrad benötigt in diesem Fall keine umfangsseitige Zähnung.A particularly simple and cost-effective implementation of a measuring arrangement according to the invention results if all the sensors for attitude angle and rotational speed measurement with the same, preferably cooperate with the lateral perforation, the pulse wheel in this case requires no circumferential perforation.
Ein weiterer Kostenvorteil ergibt sich, wenn sämtliche Sensoren zur Lagewinkel- und Drehzahlmessung identisch aufgebaut sind. Der Lagewinkel und die Drehzahl werden in diesem Fall vorzugsweise aus den Messsignalen sämtlicher Sensoren ermittelt, wobei das Signal wenigstens eines der Sensoren sowohl zur Drehzahlmessung als auch zur Lagewinkelmessung verwendet wird.One Another cost advantage arises when all sensors for attitude angle and speed measurement are identical. The position angle and the speed in this case preferably from the measurement signals all Sensors detected, the signal of at least one of the sensors both is used for speed measurement as well as positional angle measurement.
Bei einer Anordnung von mehreren (n) identischen Sensoren, die mit derselben Zähnung zusammenwirken, sind die n-Sensoren vorzugsweise um einen elektrischen Winkel von etwa 360°/n zueinander versetzt angeordnet.at an array of multiple identical sensors connected to it perforation cooperate, the n-sensors are preferably an electrical Angle of about 360 ° / n arranged offset from one another.
Die Anzahl der Zähne der seitlichen Zähnung entspricht vorzugsweise der Polpaarzahl der elektrischen Maschine. Bei einer Anordnung von beispielsweise drei Sensoren, die jeweils um 120° versetzt zueinander angeordnet sind, kann der Lagewinkel mit einer Genauigkeit von 60° elektrisch bestimmt werden, Ein Zahn entspricht in diesem Fall einem Pol der elektrischen Maschine bzw. 180° elektrisch.The number of teeth the lateral perforation corresponds preferably the number of pole pairs of the electrical machine. At a Arrangement of, for example, three sensors, each offset by 120 ° arranged to each other, the attitude angle with accuracy of 60 ° electrical A tooth in this case corresponds to one pole of the electrical Machine or 180 ° electrical.
Gemäß einer bevorzugten Ausführungsform der Erfindung sind die Sensoren derart vorgesehen, dass neben der Drehzahl auch die Drehrichtung der elektrischen Maschine erfaßt werden kann. Hierzu können wenigstens zwei der Sensoren – eine gleichförmige Zähnung vorausgesetzt – derart angeordnet sein, dass die Impulse nicht gleichzeitig oder in gleichen Abständen auftreten.According to one preferred embodiment of Invention, the sensors are provided such that in addition to the speed also the direction of rotation of the electrical machine can be detected can. You can do this at least two of the sensors - one uniform perforation provided - so be arranged that the impulses are not simultaneous or in the same intervals occur.
Gemäß einer anderen Ausführungsform der Erfindung hat das Impulsgeberrad sowohl eine engere als auch eine weitere Zähnung, wobei wenigstens einer der Sensoren mit der engeren Zähnung und einer der Sensoren mit der weiteren Zähnung zusammenwirkt. Die Zähnungen sind vorzugsweise beide seitlich oder seitlich und umfangsseitig angeordnet. Dabei hat eine der beiden Zähnungen vorzugsweise ein ganzzahliges Vielfaches an Zähnen, wie die andere Zähnung. Einer der Sensoren, z.B. ein Differenz-Sensor, wirkt vorzugsweise mit der weiteren Zähnung zusammen und dient zur Bereichsbestimmung, d.h. zur Bestimmung, ob der Sensor einem Nordpol oder einem Südpol des Läufers gegenüberliegt. Die anderen Sensoren wirken vorzugsweise mit der engeren Zähnung zusammen und dienen vorzugsweise zur Verfeinerung der Auflösung des Lagewinkels. Nach der Initialisierung durch den Differenz-Sensor kann der Lagewinkel dann mit einer Genauigkeit bestimmt werden, die von Weite der engeren Zähnung abhängt.According to one another embodiment According to the invention, the pulse wheel has both a narrower and a narrower another perforation, wherein at least one of the sensors with the closer perforation and one of the sensors cooperates with the further perforation. The perforations are preferably both laterally or laterally and circumferentially arranged. One of the two perforations preferably has an integer Multiple teeth, like the other perforation. One of the sensors, e.g. a differential sensor, preferably acts with the further perforation together and serves to determine the area, i. for determination, whether the sensor is facing a north pole or a south pole of the rotor. The other sensors preferably cooperate with the closer perforation and serve preferably to refine the resolution the attitude angle. After initialization by the differential sensor the position angle can then be determined with an accuracy the wide range of the narrower perforation depends.
Die Erfindung wird nachstehend anhand der beigefügten Zeichnungen beispielhaft näher erläutert. Es zeigen:The Invention will be exemplified below with reference to the accompanying drawings explained in more detail. It demonstrate:
Beim
Vorbeilaufen eines Zahns
Die
seitliche Zähnung
Der
Phasengeber
Der
Phasengeber
Die
Sensoren
Die
beiden Sensoren
Die
Messanordnung von
Die
Sensoren
Dadurch,
dass die Sensoren
Die
Impulssignale der Sensoren
- 11
- Startergeneratorstarter generator
- 22
- Verbrennungsmotorinternal combustion engine
- 33
- Zahnradgear
- 44
- Generatorwellegenerator shaft
- 55
- Motorwellemotor shaft
- 66
- Riemenbelt
- 77
- DrehzahlfühlerSpeed sensor
- 88th
- DrehzahlfühlerSpeed sensor
- 99
- Phasengeberphase sensor
- 1010
- Zahntooth
- 1111
- Lückegap
- 1212
- Zahntooth
- 1313
- Lückegap
- 1515
- Seitenflächeside surface
- 1616
- Magnetpolemagnetic poles
Claims (14)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003133973 DE10333973A1 (en) | 2003-07-25 | 2003-07-25 | Pulse generator arrangement for determining the positional angle and rate of rotation of an engine especially a vehicle starter motor using the same pulse generator wheel for both measurements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2003133973 DE10333973A1 (en) | 2003-07-25 | 2003-07-25 | Pulse generator arrangement for determining the positional angle and rate of rotation of an engine especially a vehicle starter motor using the same pulse generator wheel for both measurements |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10333973A1 true DE10333973A1 (en) | 2005-02-10 |
Family
ID=34042089
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2003133973 Withdrawn DE10333973A1 (en) | 2003-07-25 | 2003-07-25 | Pulse generator arrangement for determining the positional angle and rate of rotation of an engine especially a vehicle starter motor using the same pulse generator wheel for both measurements |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10333973A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1855116A2 (en) * | 2006-05-10 | 2007-11-14 | Key Safety Systems, Inc. | Speed and direction gear tooth sensor assembly |
DE102007049977B3 (en) * | 2007-10-18 | 2009-04-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Incremental measuring device for detecting the speed, direction of rotation and the axial position of axially displaceable gears |
DE102008042961A1 (en) * | 2008-10-20 | 2010-04-22 | Zf Friedrichshafen Ag | Speed measuring device for measuring speed of shaft in gear of vehicle, has two sensor cells arranged opposite to each other for scanning counting traces that are arranged to each other in different planes |
WO2013139869A1 (en) * | 2012-03-20 | 2013-09-26 | Alstom Transport Sa | Method for controlling the operation of a positioning system of a train |
-
2003
- 2003-07-25 DE DE2003133973 patent/DE10333973A1/en not_active Withdrawn
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1855116A2 (en) * | 2006-05-10 | 2007-11-14 | Key Safety Systems, Inc. | Speed and direction gear tooth sensor assembly |
EP1855116A3 (en) * | 2006-05-10 | 2009-12-02 | Key Safety Systems, Inc. | Speed and direction gear tooth sensor assembly |
DE102007049977B3 (en) * | 2007-10-18 | 2009-04-02 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Incremental measuring device for detecting the speed, direction of rotation and the axial position of axially displaceable gears |
DE102008042961A1 (en) * | 2008-10-20 | 2010-04-22 | Zf Friedrichshafen Ag | Speed measuring device for measuring speed of shaft in gear of vehicle, has two sensor cells arranged opposite to each other for scanning counting traces that are arranged to each other in different planes |
WO2013139869A1 (en) * | 2012-03-20 | 2013-09-26 | Alstom Transport Sa | Method for controlling the operation of a positioning system of a train |
FR2988362A1 (en) * | 2012-03-20 | 2013-09-27 | Alstom Transport Sa | METHOD FOR CONTROLLING THE OPERATION OF A POSITIONING SYSTEM OF A TRAIN |
KR20150001760A (en) * | 2012-03-20 | 2015-01-06 | 알스톰 트랜스포트 테크놀로지스 | Method for controlling the operation of a positioning system of a train |
US20150293139A1 (en) * | 2012-03-20 | 2015-10-15 | Alstom Transport Sa | Method for Controlling the Operation of a Positioning System of a Train |
US9651573B2 (en) | 2012-03-20 | 2017-05-16 | Alstom Transport Technologies | Method for controlling the operation of a positioning system of a train |
KR102120237B1 (en) | 2012-03-20 | 2020-06-08 | 알스톰 트랜스포트 테크놀로지스 | Method for controlling the operation of a positioning system of a train |
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