DE102004035284B4 - Position sensor arrangement with a plurality of magnetic field-sensitive sensors arranged in a row, in particular Hall sensors - Google Patents
Position sensor arrangement with a plurality of magnetic field-sensitive sensors arranged in a row, in particular Hall sensors Download PDFInfo
- Publication number
- DE102004035284B4 DE102004035284B4 DE200410035284 DE102004035284A DE102004035284B4 DE 102004035284 B4 DE102004035284 B4 DE 102004035284B4 DE 200410035284 DE200410035284 DE 200410035284 DE 102004035284 A DE102004035284 A DE 102004035284A DE 102004035284 B4 DE102004035284 B4 DE 102004035284B4
- Authority
- DE
- Germany
- Prior art keywords
- housing
- position sensor
- sensor arrangement
- sensors
- contact surfaces
- 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
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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
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- 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
Positionssensoranordnung mit mehreren, mindestens drei in einer Sensorreihe angeordneten magnetfeldsensitiven Sensoren (20), wobei ein mit einem Permanentmagneten (29) versehenes bewegbares Element (28) eines Linearantriebs parallel zur Längsrichtung der Sensorreihe bewegbar ist, wobei die Sensoren (20) an eine Signalaufbereitungs- und/oder -auswerteeinrichtung (21) angeschlossen sind zur Erfassung der Position des bewegbaren Elements (28), wobei ein Sensorgehäuse (10) aus einem Basisgehäuse (11) und einem daran angeformten leistenartigen Gehäusevorsprung (13) besteht, der zur Aufnahme in einer längs eines Linearantrieb-Gehäuses (24) verlaufenden Führungsnut (25) vorgesehen ist, wobei die in einer Reihe angeordneten Sensoren (20) alle in derselben Ebene an einer mit elektrischen Kontaktflächen (18) versehenen Gehäusewandfläche in dem Gehäusevorsprung (13) in dessen Längsrichtung angeordnet sind, und wobei diese Kontaktflächen (18) über in MID-Technik ausgeführten Leiterbahnen (19) durch das Gehäuse mit Kontaktflächen (17) an einer Wandung im Basisgehäuse (11) verbunden sind, die an die dort angeordnete Signalaufbereitungs- und/oder -auswerteeinrichtung (21) angeschlossen sind.Position sensor arrangement with a plurality of at least three magnetic field-sensitive sensors arranged in a sensor row Sensors (20), one provided with a permanent magnet (29) movable element (28) of a linear drive parallel to the longitudinal direction of the Sensor array is movable, wherein the sensors (20) to a signal conditioning and / or -auswerteinrichtung (21) are connected for detection the position of the movable member (28), wherein a sensor housing (10) made of a base housing (11) and an integrally formed strip-like housing projection (13) for receiving in a longitudinal direction of a linear drive housing (24) extending guide groove (25) is provided, wherein the arranged in a row sensors (20) all in the same plane on a provided with electrical contact surfaces (18) Housing wall surface in the housing projection (13) in its longitudinal direction are arranged, and wherein these contact surfaces (18) running in MID technology printed conductors (19) the housing with contact surfaces (17) are connected to a wall in the base housing (11), the to the arranged there Signalaufbereitungs- and / or -auswerteeinrichtung (21) are connected.
Description
Die Erfindung betrifft eine Positionssensoranordnung mit mehreren, mindestens drei in einer Sensorreihe angeordneten magnetfeldsensitiven Sensoren, wobei ein mit einem Permanentmagneten versehenes bewegbares Element parallel zur Längsrichtung der Sensorreihe bewegbar ist, und wobei die Sensoren an eine Signalaufbereitungs- und/oder -auswerteeinrichtung angeschlossen sind zur Erfassung der Position des bewegbaren Elements.The The invention relates to a position sensor arrangement with a plurality, at least three magnetic field-sensitive sensors arranged in a sensor row, wherein a movable member provided with a permanent magnet parallel to the longitudinal direction the sensor row is movable, and wherein the sensors to a signal conditioning and / or -auswerteeinrichtung are connected to detect the Position of the movable element.
Eine
aus der
Will man dieses bekannte Positionsmessprinzip bei Linearantrieben verwenden, so liegen konstruktive Probleme darin, bei verstellbarer Sensorreihe ein starkes Messsignal zu erhalten.Want to use this known position measuring principle in linear drives, this is constructive problems, with an adjustable sensor row to get a strong measurement signal.
Ein
aus der
Aus
der
Aus
der
Eine Aufgabe der Erfindung besteht somit darin, eine Positionssensoranordnung der eingangs genannten Gattung so für Linearantriebe auszubilden, dass bei leichter Verstellbarkeit des Messbereichs die Sensorreihe möglichst nahe an der Bewegungsbahn des mit einem Permanentmagneten versehenen bewegbaren Elements angeordnet ist.A The object of the invention is therefore a position sensor arrangement of the type mentioned above for linear drives, that with easy adjustability of the measuring range, the sensor series preferably close to the trajectory of the provided with a permanent magnet movable element is arranged.
Diese Aufgabe wird erfindungsgemäß durch eine Positionssensoranordnung mit den Merkmalen des Anspruchs 1 gelöst.These The object is achieved by a Position sensor arrangement solved with the features of claim 1.
Die Vorteile der erfindungsgemäßen Positionssensoranordnung bestehen insbesondere darin, dass der leistenartige Gehäusevorsprung zum einen als Führungselement zum problemlosen Verschieben des Sensorgehäuses in einer Führungsnut des Linearantrieb-Gehäuses dient und zum anderen die Sensorreihe aufnimmt, die dadurch in der Nut angeordnet ist, also in Bezug auf die Gehäuse-Außenfläche mehr am angetriebenen Element. Dies bewirkt eine Verbesserung der Wechselwirkung zwischen Magnetfeld und Sensorik. Die Ausführung der Positionssen soranordnung in MID-Technik erlaubt eine einfache und kostengünstige Fertigung sowie ein kompaktes, kleinvolumiges Gehäuse.The Advantages of the position sensor arrangement according to the invention consist in particular in that the strip-like housing projection on the one hand as a guide element for easy movement of the sensor housing in a guide groove of the linear drive housing on the other hand, the sensor array receives, which thereby in the Nut is arranged, so with respect to the outer housing surface more on the driven element. This causes an improvement in the interaction between magnetic field and sensors. Execution The position sensor arrangement in MID technology allows a simple and cost-effective Production as well as a compact, small-volume housing.
Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen und Verbesserungen der im Anspruch 1 angegebenen Positionssensoranordnung möglich.By in the subclaims listed activities are advantageous developments and improvements in the claim 1 specified position sensor arrangement possible.
Eine besonders rationelle und kostengünstige Fertigung wird dadurch erreicht, dass die Sensoren und/oder wenigstens ein Bauteil der Signalaufbereitungs- und/oder -auswerteeinrichtung in Form von SMD-Bauteilen oder Chip-on- Board-Bauteilen an den jeweiligen Kontaktflächen angebracht sind, insbesondere durch Verlöten oder mittels Leitkleber.A especially rational and cost effective Manufacturing is achieved in that the sensors and / or at least a component of the Signalaufbereitungs- and / or -auswerteinrichtung in the form of SMD components or chip-on-board components attached to the respective contact surfaces are, in particular by soldering or by conductive adhesive.
Das Sensorgehäuse wird vorzugsweise in einer Weise hergestellt, bei der ein Kernbereich des Sensorgehäuses mit den Leiterbahnen und Kontaktflächen versehen ist, wobei dieser Kernbereich dann in einem insbesondere als Spritzgussteil ausgebildeten Außenbereich des Sensorgehäuses eingebettet ist. Hierdurch können die Leiterbahnen und Kontaktflächen in MID-Technik besonders einfach hergestellt werden, wobei durch Umspritzung dann neben der gewünschten Gehäuseform die Abdeckung der elektrischen Bereiche erreicht wird.The sensor housing is preferably made in a manner in which a core region of the sensor housing is provided with the tracks and pads, this Core area then trained in a particular injection molded part outdoors of the sensor housing is embedded. This allows the tracks and contact surfaces in MID technology are particularly easy to be produced by Coating then next to the desired Body shape the coverage of the electrical areas is achieved.
Eine zum Einsetzen der Sensoren dienende Ausnehmung im Gehäusevorsprung und/oder eine zum Einsetzen der Signalaufbereitungs- und/oder -auswerteeinrichtung dienende Ausnehmung im Basisgehäuse ist zweckmäßigerweise mit einer Vergussmasse ausgefüllt.A for inserting the sensors serving recess in the housing projection and / or one for inserting the Signalaufbereitungs- and / or -auswerteinrichtung serving recess in the base housing is expediently filled with a potting compound.
Die Signalaufbereitungs- und/oder -auswerteeinrichtung ist zweckmäßigerweise als ASIC ausgebildet. Dies vereinfacht und erleichtert den Zusammenbau.The signal conditioning and / or ejection Teeinrichtung is expediently designed as an ASIC. This simplifies and facilitates the assembly.
Alternativ zur Ausführung als ASIC kann die Signalaufbereitungs- und/oder -auswerteeinrichtung auch auf einer Leiter platte angeordnet sein, die mit den Kontaktflächen im Basisgehäuse verbunden ist.alternative for execution ASIC, the Signalaufbereitungs- and / or -auswerteinrichtung also be arranged on a circuit board plate, with the contact surfaces in base housing connected is.
Zur Verbindung mit einem externen Anschlusskabel ist vorzugsweise eine Anschlusskontaktanordnung im oder am Basisgehäuse angeordnet und mit der Signalaufbereitungs- und/oder -auswerteeinrichtung verbunden. Diese Verbindung erfolgt wieder in vorteilhafter Weise über in MID-Technik ausgeführte Leiterbahnen.to Connection to an external connection cable is preferably one Terminal contact arrangement arranged in or on the base housing and with the Signal conditioning and / or -auswerteinrichtung connected. These Connection takes place again advantageously via designed in MID technology tracks.
Zum Halten des Sensorgehäuses an der Führungsnut besitzt der Gehäusevorsprung zweckmäßigerweise seitliche rippenartige Elemente zum Hintergreifen eines gegenüber dem übrigen Bereich der Führungsnut schmäleren Nuthalses. Zusätzlich können Fixierelemente, wie Schrauben, Klemmfedern oder dergleichen, vorgesehen sein.To the Holding the sensor housing at the guide groove has the housing projection expediently lateral rib-like elements for engaging behind a relative to the remaining area of guide narrower Nuthalses. In addition, fixing elements, as screws, clamping springs or the like may be provided.
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und in der nachfolgenden Beschreibung näher erläutert. Es zeigen:One embodiment The invention is illustrated in the drawing and in the following description explained in more detail. It demonstrate:
Bei
dem in den
Das
Sensorgehäuse
Nach
dieser Strukturierung in der MID-Technologie wird der Gehäusekernbereich
In
die Ausnehmung
Weiterhin
wird in die Ausnehmung
Anschließend werden
nun die Ausnehmungen
Im
betriebsbereiten und in der beschriebenen Weise konfigurierten Zustand
ist das Sensorgehäuse
Das
beschriebene Sensorgehäuse
Die
Wirkungsweise der beschriebenen Positionssensoranordnung ist in
der eingangs angegebenen
Die
Gestalt des Gehäusekernbereichs
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410035284 DE102004035284B4 (en) | 2004-07-21 | 2004-07-21 | Position sensor arrangement with a plurality of magnetic field-sensitive sensors arranged in a row, in particular Hall sensors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200410035284 DE102004035284B4 (en) | 2004-07-21 | 2004-07-21 | Position sensor arrangement with a plurality of magnetic field-sensitive sensors arranged in a row, in particular Hall sensors |
Publications (2)
Publication Number | Publication Date |
---|---|
DE102004035284A1 DE102004035284A1 (en) | 2006-02-16 |
DE102004035284B4 true DE102004035284B4 (en) | 2008-10-02 |
Family
ID=35668504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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DE200410035284 Expired - Fee Related DE102004035284B4 (en) | 2004-07-21 | 2004-07-21 | Position sensor arrangement with a plurality of magnetic field-sensitive sensors arranged in a row, in particular Hall sensors |
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DE (1) | DE102004035284B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012223985A1 (en) | 2012-12-20 | 2014-06-26 | Zf Friedrichshafen Ag | Method for fixing preform in injection molding tool used for motor car, involves bringing and holding preform in predetermined position by positioning tool, and releasing preform by positioning tool |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007060604A1 (en) * | 2007-12-13 | 2009-06-18 | Continental Teves Ag & Co. Ohg | Magnetic field sensor element |
EP4202373B1 (en) * | 2021-12-23 | 2023-12-20 | Bizerba SE & Co. KG | Method for establishing a position measuring system for a labeler of a price marking system |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3443176C1 (en) * | 1984-11-27 | 1990-11-15 | Angewandte Digital Elektronik Gmbh, 2051 Brunstorf | Procedure for the calibration of an electronic position transmitter |
DE19757006A1 (en) * | 1997-12-20 | 1999-07-01 | Bosch Gmbh Robert | Sensor and a method for its production |
EP0782765B1 (en) * | 1994-09-23 | 2000-06-28 | Siemens N.V. | Polymer stud grid array package |
DE20211518U1 (en) * | 2002-07-13 | 2002-09-12 | Festo Ag & Co | Position sensor designed as a Hall sensor |
DE10207399A1 (en) * | 2001-02-24 | 2002-09-12 | Marquardt Gmbh | Electrical rotary switch for adjusting angles of rotation has a rotor on a stator adjusting between angular rotary positions and moving a permanent magnetic field sensor and a Hall sensor to create a signal for an angle of rotation. |
EP1383360A1 (en) * | 2002-07-18 | 2004-01-21 | FESTO AG & Co | Injection moulded lead carrier and method of producing the same |
-
2004
- 2004-07-21 DE DE200410035284 patent/DE102004035284B4/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3443176C1 (en) * | 1984-11-27 | 1990-11-15 | Angewandte Digital Elektronik Gmbh, 2051 Brunstorf | Procedure for the calibration of an electronic position transmitter |
EP0782765B1 (en) * | 1994-09-23 | 2000-06-28 | Siemens N.V. | Polymer stud grid array package |
DE19757006A1 (en) * | 1997-12-20 | 1999-07-01 | Bosch Gmbh Robert | Sensor and a method for its production |
DE10207399A1 (en) * | 2001-02-24 | 2002-09-12 | Marquardt Gmbh | Electrical rotary switch for adjusting angles of rotation has a rotor on a stator adjusting between angular rotary positions and moving a permanent magnetic field sensor and a Hall sensor to create a signal for an angle of rotation. |
DE20211518U1 (en) * | 2002-07-13 | 2002-09-12 | Festo Ag & Co | Position sensor designed as a Hall sensor |
EP1383360A1 (en) * | 2002-07-18 | 2004-01-21 | FESTO AG & Co | Injection moulded lead carrier and method of producing the same |
Non-Patent Citations (1)
Title |
---|
DE-Z: "Plastverarbeiter", 52. Jg. (2001), Nr. 11, S. 92 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012223985A1 (en) | 2012-12-20 | 2014-06-26 | Zf Friedrichshafen Ag | Method for fixing preform in injection molding tool used for motor car, involves bringing and holding preform in predetermined position by positioning tool, and releasing preform by positioning tool |
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Publication number | Publication date |
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DE102004035284A1 (en) | 2006-02-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: FESTO AG & CO. KG, 73734 ESSLINGEN, DE |
|
8364 | No opposition during term of opposition | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee | ||
R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20150203 |