DE102005056405B3 - Apparatus for detecting movement and position of an object having ring magnets which have rotational movement and a superimposed additional motion - Google Patents
Apparatus for detecting movement and position of an object having ring magnets which have rotational movement and a superimposed additional motion Download PDFInfo
- Publication number
- DE102005056405B3 DE102005056405B3 DE200510056405 DE102005056405A DE102005056405B3 DE 102005056405 B3 DE102005056405 B3 DE 102005056405B3 DE 200510056405 DE200510056405 DE 200510056405 DE 102005056405 A DE102005056405 A DE 102005056405A DE 102005056405 B3 DE102005056405 B3 DE 102005056405B3
- Authority
- DE
- Germany
- Prior art keywords
- ring magnets
- spring
- axis
- movement
- coil
- 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.)
- Expired - Fee Related
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
- G01D5/02—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 mechanical means
-
- 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
-
- 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
- G01D5/20—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 by varying inductance, e.g. by a movable armature
- G01D5/2006—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/2013—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 by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zum Erfassen von Bewegungen und/oder Positionen eines Gegenstandes, bei der in Abhängigkeit von den Bewegungen und/oder Positionen des Gegenstandes in mindestens einer Spule durch mindestens ein eine Relativbewegung zur Spule ausführendes und diese beaufschlagendes, von zwei um eine gemeinsame Achse rotierenden, gegenpoligen Magneten erzeugtes Magnetfeld jeweils Spannungsimpulse erzeugt werden, wobei die Spule mindestens partiell eine aus magnetisch leitendem Material bestehende Feder umschließt, die unter dem Einfluss des Magnetfeldes aufgrund des Reluktanz-Effektes eine Hin- und Herbewegung ausführt und dadurch einen den jeweiligen Spannungsimpuls erzeugenden Polaritätswechsel des Magnetfeldes in der Spule bewirkt.The The invention relates to a device for detecting movements and / or positions of an object in dependence on from the movements and / or positions of the object in at least a coil by at least one a relative movement to the coil executive and these impinging, of two rotating about a common axis, Magnetic field generated magnetic field respectively voltage pulses be generated, wherein the coil at least partially one of magnetic conductive material encloses existing spring under the influence the magnetic field due to the reluctance effect a reciprocating motion carries and thereby a polarity change generating the respective voltage pulse causes the magnetic field in the coil.
Zwei Vorrichtungen der vorstehenden Art sind aus der WO 2005/052505 A2 bekannt. Bei beiden bekannten Vorrichtungen führen die Magnete eine reine Rotationsbewegung aus. Unterschiedlich ist hingegen die Anordnung der Magnete, während letztere nämlich bei der ersten Ausführungsform in Richtung der Bewegung hintereinander angeordnet sind, liegen sie bei der zweiten Ausführungsform nebeneinander und dies dergestalt, dass ihre Polflächen schräg zur Bewegungsbahn stehen. Durch die Schräglage der Polflächen wird eine erhebliche Reduzierung von Drehmomentpulsationen erreicht, die bei der ersten Ausführungsform dadurch verursacht werden, dass es bei Annäherung des vorderen Magneten des Magnetpaares an die Feder aufgrund der Anziehungskraft zwischen diesem Magneten und der Feder zu einer gewissen Beschleunigung der Antriebswelle kommt, die durch eine Verzögerung abgelöst wird, sobald der Magnet die Feder mitnimmt. Diese Verzögerung fällt schlagartig weg, sobald das freie Ende der Feder gewissermaßen zum zweiten Magneten hinüberspringt. Der Wegfall der Verzögerung erstreckt sich nur über einen kurzen Augenblick, da anschließend der zweite Magnet die Feder erneut auslenkt, was wiederum zu einer Verzögerung der Antriebswelle führt, die erneut wegfällt, sobald die Rückstellkraft der Feder die Anziehungskraft zwischen ihr und dem zweiten Magneten übersteigt.Two Devices of the above type are known from WO 2005/052505 A2 known. In both known devices, the magnets lead a pure Rotation movement off. Different, however, is the arrangement the magnets, while the latter namely in the first embodiment are arranged one behind the other in the direction of movement lie they in the second embodiment next to each other and in such a way that their pole faces at an angle to the path of movement stand. Due to the tilt the pole faces a significant reduction in torque pulsations is achieved those in the first embodiment caused by it when approaching the front magnet of the magnet pair to the spring due to the attraction between this magnet and the spring to a certain acceleration of the Drive shaft comes off, which is replaced by a delay, as soon as the magnet takes the spring with it. This delay will abruptly disappear as soon as the free end of the spring jumps over to the second magnet. The elimination of the delay extends just over a moment, then the second magnet Spring deflects again, which in turn leads to a delay of the drive shaft leads, which falls away again, as soon as the restoring force the spring exceeds the attraction between it and the second magnet.
Der Erfindung liegt die Aufgabe zugrunde, bei einer Vorrichtung der in Betracht gezogenen Art die Drehmomentpulsationen noch stärker zu reduzieren als bei der zweiten bekannten Ausführungsform. Gelöst wird diese Aufgabe erfindungsgemäß dadurch, dass die Magnete als miteinander verbundene Ringmagnete ausgebildet sind, die eine ihre Rotationsbewegung überlagernde, zusätzliche Bewegung ausführen.Of the Invention is based on the object in a device of type considered the torque pulsations even more reduce than in the second known embodiment. Is solved this object according to the invention by that the magnets are formed as interconnected ring magnets are one that overlays their rotational motion, additional Perform movement.
Die Verwendung erfindungsgemäßer Vorrichtungen bietet sich insbesondere dann an, wenn geringe Baumaße einzuhalten sind, wie dies z. B. bei Umdrehungszählern für kleine Antriebe der Fall ist. Ihr Vorteil besteht darin, dass durch die der Drehbewegung der Ringmagnete überlagerte, zusätzliche Bewegung der Ringmagnete ein „Schraubenlinien-Effekt" erzielt wird, wobei die Steigung der Schraubenlinie aufgrund ihres Verlaufs über 360° sehr klein gehalten werden kann und auf diese Weise eine praktisch pulsationsfreie Rotationsbewegung der Antriebswelle erzielbar ist.The Use of devices according to the invention is particularly suitable if you want to comply with small dimensions are, as z. As with revolution counters for small drives of the case is. Their advantage is that by the rotational movement the ring magnets overlaid, additional movement the ring magnets a "helical-line effect" is achieved, wherein the slope of the helix is very small due to its course over 360 ° can be held and in this way a virtually pulsation-free Rotational movement of the drive shaft can be achieved.
Weitere Einzelheiten und Merkmale der Erfindung ergeben sich aus der nachstehenden Beschreibung schematisch in den beigefügten Zeichnungen dargestellter Ausführungsformen der Erfindung sowie aus den Unteransprüchen. Es zeigen:Further Details and features of the invention will become apparent from the following Description schematically shown in the accompanying drawings embodiments the invention and from the dependent claims. Show it:
Die
Bei
einer Drehung der Ringmagnete
Drehen
sich die Ringmagnete
Grundsätzlich wäre es auch möglich, die Taumelbewegung der Ringmagnete durch eine periodische Axialverschiebung der sie tragenden Welle zu ersetzen.Basically it would be too possible, the tumbling motion of the ring magnets by a periodic axial displacement to replace the wave carrying them.
In
den
Bei
einer Drehung der Ringmagnete
Rotieren
die Ringmagnete
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510056405 DE102005056405B3 (en) | 2005-11-23 | 2005-11-23 | Apparatus for detecting movement and position of an object having ring magnets which have rotational movement and a superimposed additional motion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510056405 DE102005056405B3 (en) | 2005-11-23 | 2005-11-23 | Apparatus for detecting movement and position of an object having ring magnets which have rotational movement and a superimposed additional motion |
Publications (1)
Publication Number | Publication Date |
---|---|
DE102005056405B3 true DE102005056405B3 (en) | 2007-02-15 |
Family
ID=37681338
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE200510056405 Expired - Fee Related DE102005056405B3 (en) | 2005-11-23 | 2005-11-23 | Apparatus for detecting movement and position of an object having ring magnets which have rotational movement and a superimposed additional motion |
Country Status (1)
Country | Link |
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DE (1) | DE102005056405B3 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015114384B3 (en) * | 2015-08-28 | 2016-11-17 | Fritz Kübler GmbH Zähl- und Sensortechnik | Energy-autonomous multi-turn rotary encoder with snap element |
DE102022000345A1 (en) | 2022-01-28 | 2023-08-03 | Baumer Germany Gmbh & Co. Kg | Device for detecting movements and/or positions of an object |
DE102022000343A1 (en) | 2022-01-28 | 2023-08-03 | Baumer Germany Gmbh & Co. Kg | Rotary encoder with generator for self-sufficient energy supply |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005052505A2 (en) * | 2003-11-26 | 2005-06-09 | Hübner Elektromaschinen AG | Device for the detection of movements and/or positions of an object |
-
2005
- 2005-11-23 DE DE200510056405 patent/DE102005056405B3/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005052505A2 (en) * | 2003-11-26 | 2005-06-09 | Hübner Elektromaschinen AG | Device for the detection of movements and/or positions of an object |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015114384B3 (en) * | 2015-08-28 | 2016-11-17 | Fritz Kübler GmbH Zähl- und Sensortechnik | Energy-autonomous multi-turn rotary encoder with snap element |
DE102022000345A1 (en) | 2022-01-28 | 2023-08-03 | Baumer Germany Gmbh & Co. Kg | Device for detecting movements and/or positions of an object |
DE102022000343A1 (en) | 2022-01-28 | 2023-08-03 | Baumer Germany Gmbh & Co. Kg | Rotary encoder with generator for self-sufficient energy supply |
DE102022000343B4 (en) | 2022-01-28 | 2024-01-11 | Baumer Germany Gmbh & Co. Kg | Rotary encoder with generator for self-sufficient energy supply |
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Legal Events
Date | Code | Title | Description |
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8100 | Publication of the examined application without publication of unexamined application | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: BAUMER HUEBNER GMBH, 10967 BERLIN, DE |
|
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |