DE102008061509A1 - Rotational speed detecting device for transmission, has signal transmitter arranged at circumference of shift collar or fixed wheel, and speed sensor arranged on shift fork, where shift collar has inner teeth formed at outer sensor teeth - Google Patents
Rotational speed detecting device for transmission, has signal transmitter arranged at circumference of shift collar or fixed wheel, and speed sensor arranged on shift fork, where shift collar has inner teeth formed at outer sensor teeth Download PDFInfo
- Publication number
- DE102008061509A1 DE102008061509A1 DE200810061509 DE102008061509A DE102008061509A1 DE 102008061509 A1 DE102008061509 A1 DE 102008061509A1 DE 200810061509 DE200810061509 DE 200810061509 DE 102008061509 A DE102008061509 A DE 102008061509A DE 102008061509 A1 DE102008061509 A1 DE 102008061509A1
- Authority
- DE
- Germany
- Prior art keywords
- shift
- sensor
- transmission
- shift collar
- shift fork
- 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- Withdrawn
Links
Classifications
-
- 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
- G01P3/488—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 variable reluctance detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/38—Inputs being a function of speed of gearing elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
Abstract
Description
Die Erfindung betrifft eine Drehzahlerfassungsvorrichtung sowie ein Getriebe mit einer Drehzahlerfassungsvorrichtung.The The invention relates to a speed detection device and a Transmission with a speed detection device.
Aus der Praxis sind Drehzahlerfassungsvorrichtungen bekannt, bei denen zur Ermittlung der Drehzahl einer Getriebewelle an dieser ein Signalgeber angeordnet wird, dessen Signal mittels eines Sensors zu erfasst wird. Es ist insbesondere bekannt, dazu einen Signalgeber nach Art eines Zahnrades auszubilden, wobei ein entsprechender Sensor als Hall-Effekt-Sensor ausgebildet sein kann.Out In practice, speed detecting devices are known in which to determine the speed of a gear shaft at this a signal generator is arranged to detect its signal by means of a sensor becomes. It is known in particular, to a signal generator according to Art a gear form, with a corresponding sensor as Hall effect sensor can be formed.
Aus
der
Die bekannten Drehzahlerfassungsvorrichtungen erfordern zahlreiche Bauelemente, deren Montage mit hoher Präzision erfolgen muss, um eine sichere Drehzahlsensierung zu ermöglichen.The known speed detection devices require numerous components, their assembly must be done with high precision to ensure safe To enable speed sensing.
Der Erfindung liegt die Aufgabe zugrunde, den Herstellung- und Montageaufwand bei der Erstellung eines Getriebes mit einer Drehzahlerfassungsvorrichtung zu verringern.Of the Invention is based on the object, the production and assembly costs in the creation of a transmission with a speed detection device to reduce.
Die Lösung dieser Aufgabe erfolgt erfindungsgemäß mit den Merkmalen der Ansprüche 1 bzw. 5.The Solution of this problem is inventively with the features of claims 1 and 5, respectively.
Gemäß der Erfindung ist bei einer Drehzahlerfassungsvorrichtung mit einem Signalgeber und einem Drehzahlsensor vorgesehen, dass der Drehzahlsensor an einer Schaltgabel ausgebildet ist. Dadurch ist es möglich, mit wenigen Bauelementen ein Getriebe mit einer Drehzahlerfassungseinrichtung aufzubauen, wodurch der Herstellungs- und Montageaufwand verringert wird.According to the The invention is in a speed detection device with a Signalers and a speed sensor provided that the speed sensor is formed on a shift fork. This makes it possible build a gear with a speed detection device with just a few components, whereby the manufacturing and assembly costs are reduced.
Gemäß einer besonders bevorzugten Ausgestaltung der Erfindung ist die Schaltgabel als Schiebegabel ausgebildet. Eine solche Ausgestaltung erlaubt es, die Sensorposition in radialer Richtung gegenüber einer Getriebewelle invariant auszuführen, wodurch sich eine hohe Messgenauigkeit und Zuverlässigkeit erreichen lässt.According to one Particularly preferred embodiment of the invention is the shift fork designed as a shift fork. Such a design allows it, the sensor position in the radial direction with respect to a Gear shaft invariant perform, resulting in a achieve high measurement accuracy and reliability.
Gemäß einer weiteren bevorzugten Ausgestaltung der Erfindung ist vorgesehen, dass der Signalgeber am Umfang einer Schaltmuffe ausgebildet ist. Durch eine solche Ausgestaltung lässt sich die Anzahl der Bauelemente weiter verringern, sodass der Herstellungs- und Montageaufwand weiter verringert werden kann. Dies gilt auch für eine alternative bevorzugte Ausgestaltung der Erfindung gemäß der der Signalgeber an einem Getrieberad, insbesondere an einem Festrad ausgebildet ist.According to one further preferred embodiment of the invention is provided that the signal generator is formed on the circumference of a shift sleeve. By such a configuration, the number of Further reduce components, so the manufacturing and assembly costs can be further reduced. This also applies to one alternative preferred embodiment of the invention according to the Signaling device on a gear wheel, in particular on a fixed gear is trained.
Gemäß einer weiteren bevorzugten Ausgestaltung der Erfindung ist vorgesehen, dass die Schaltmuffe eine außenliegende Sensorverzahnung aufweist. Eine Sensorverzahnung erlaubt den Einsatz bereits in der Praxis erprobter Sensoren, wodurch der Herstellungsaufwand weiter verringert wird.According to one further preferred embodiment of the invention is provided that the shift sleeve has an external sensor toothing. A sensor toothing allows use already in practice proven sensors, whereby the manufacturing cost is further reduced.
Die Vorteile der Erfindung zeigen sich auch bei einem Getriebe mit mindestens einer Getriebewelle, mindestens einer auf der Getriebewelle verschiebbar angeordneten Schaltmuffe, mindestens einer Schaltgabel sowie einer Drehzahlerfassungsvorrichtung, wenn – wie gemäß einem weiteren Aspekt der Erfindung vorgesehen – die Drehzahlerfassungsvorrichtung nach einem der Ansprüche 1 bis 4 ausgebildet ist. Daher wird auch für ein Getriebe Schutz beansprucht. Auf die im Zusammenhang mit der Drehzahlerfassungsvorrichtung beschriebenen Wirkungsweisen und Vorteile wird hiermit ausdrücklich Bezug genommen und verwiesen.The Advantages of the invention are also evident in a transmission with at least a transmission shaft, at least one displaceable on the transmission shaft arranged shift sleeve, at least one shift fork and a Speed detecting device, if - as in a Another aspect of the invention - the speed detection device according to one of claims 1 to 4 is formed. Therefore is also claimed for a transmission protection. On the described in connection with the speed detection device Effects and advantages are hereby expressly referred to and directed.
Weitere vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den Unteransprüchen sowie aus der Beschreibung im Zusammenhang mit den Zeichnungen.Further yield advantageous embodiments and refinements of the invention from the subclaims as well as from the description in connection with the drawings.
Dabei zeigt:there shows:
Die
in
Die
Schaltmuffe
Die
Schaltmuffe
An
der Schaltgabel
Da
die Schaltmuffe
In
der gezeigten besonders bevorzugten Ausführungsform eines
Getriebes
Im
Rahmen der Erfindung ist es jedoch auch möglich, einen
Drehzahlsensor vorzusehen, der mit einem Getrieberad zusammenwirkt,
wobei ein solches Getrieberad vorzugsweise als Festrad ausgebildet
sein sollte, um stets die Drehzahl der Getriebewelle
ZITATE ENTHALTEN IN DER BESCHREIBUNGQUOTES 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 The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- - DE 102006023554 A1 [0003] DE 102006023554 A1 [0003]
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810061509 DE102008061509A1 (en) | 2008-12-10 | 2008-12-10 | Rotational speed detecting device for transmission, has signal transmitter arranged at circumference of shift collar or fixed wheel, and speed sensor arranged on shift fork, where shift collar has inner teeth formed at outer sensor teeth |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810061509 DE102008061509A1 (en) | 2008-12-10 | 2008-12-10 | Rotational speed detecting device for transmission, has signal transmitter arranged at circumference of shift collar or fixed wheel, and speed sensor arranged on shift fork, where shift collar has inner teeth formed at outer sensor teeth |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102008061509A1 true DE102008061509A1 (en) | 2010-06-17 |
Family
ID=42168517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200810061509 Withdrawn DE102008061509A1 (en) | 2008-12-10 | 2008-12-10 | Rotational speed detecting device for transmission, has signal transmitter arranged at circumference of shift collar or fixed wheel, and speed sensor arranged on shift fork, where shift collar has inner teeth formed at outer sensor teeth |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE102008061509A1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011119312A1 (en) * | 2011-11-23 | 2013-05-23 | Gm Global Technology Operations, Llc | Shift collar for use in sensor arrangement of gear box of motor car to detect rotation speed of counter-shaft, has set of internal gears arranged at collar, and sensing region arranged at collar and arranged radially offset from sensor |
CN105114619A (en) * | 2015-08-11 | 2015-12-02 | 江苏甬金金属科技有限公司 | Reduction box capable of achieving high-low-speed gear shifting on temper mill |
DE102015223569A1 (en) * | 2015-11-27 | 2017-06-01 | Zf Friedrichshafen Ag | Device for detecting the rotational speed of a shaft of a manual transmission |
WO2022194549A1 (en) * | 2021-03-17 | 2022-09-22 | Mercedes-Benz Group AG | Shifting device for a transmission of a motor vehicle, and method for operating a shifting device of this type |
US20220381340A1 (en) * | 2021-05-26 | 2022-12-01 | Husco Automotive Holdings Llc | Systems and Methods for a Rotary Disconnect |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006023554A1 (en) | 2006-05-19 | 2007-11-22 | Zf Friedrichshafen Ag | Determining the speed of a gear shaft |
-
2008
- 2008-12-10 DE DE200810061509 patent/DE102008061509A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006023554A1 (en) | 2006-05-19 | 2007-11-22 | Zf Friedrichshafen Ag | Determining the speed of a gear shaft |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011119312A1 (en) * | 2011-11-23 | 2013-05-23 | Gm Global Technology Operations, Llc | Shift collar for use in sensor arrangement of gear box of motor car to detect rotation speed of counter-shaft, has set of internal gears arranged at collar, and sensing region arranged at collar and arranged radially offset from sensor |
CN105114619A (en) * | 2015-08-11 | 2015-12-02 | 江苏甬金金属科技有限公司 | Reduction box capable of achieving high-low-speed gear shifting on temper mill |
DE102015223569A1 (en) * | 2015-11-27 | 2017-06-01 | Zf Friedrichshafen Ag | Device for detecting the rotational speed of a shaft of a manual transmission |
WO2022194549A1 (en) * | 2021-03-17 | 2022-09-22 | Mercedes-Benz Group AG | Shifting device for a transmission of a motor vehicle, and method for operating a shifting device of this type |
US20220381340A1 (en) * | 2021-05-26 | 2022-12-01 | Husco Automotive Holdings Llc | Systems and Methods for a Rotary Disconnect |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20110701 |