DE10233132A1 - Rotor or coupling element for an inductive sensor for angular velocity or position measurement has a short circuit conductor made from print-deposited conducting paste - Google Patents
Rotor or coupling element for an inductive sensor for angular velocity or position measurement has a short circuit conductor made from print-deposited conducting paste Download PDFInfo
- Publication number
- DE10233132A1 DE10233132A1 DE2002133132 DE10233132A DE10233132A1 DE 10233132 A1 DE10233132 A1 DE 10233132A1 DE 2002133132 DE2002133132 DE 2002133132 DE 10233132 A DE10233132 A DE 10233132A DE 10233132 A1 DE10233132 A1 DE 10233132A1
- Authority
- DE
- Germany
- Prior art keywords
- coupling element
- rotor
- short
- mixture
- carrier
- 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.)
- Ceased
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
- G01D5/20—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
- G01D5/202—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 movable a non-ferromagnetic conductive element
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Parts Printed On Printed Circuit Boards (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein bewegliches Koppelelement, insbesondere einen Rotor, für einen induktiven Sensor, insbesondere einen Drehsensor, wobei das Koppelelement einen Träger und mindestens eine Kurzschlussleitung aufweist, welche auf dem Träger angebracht ist.The present invention relates to a movable coupling element, in particular a rotor, for a inductive sensor, in particular a rotary sensor, the coupling element a carrier and has at least one short-circuit line, which on the carrier is appropriate.
Ein derartiges Koppelelement, nämlich ein Rotor
ist beispielsweise aus der Druckschrift
Gemäß der Druckschrift kann dabei die Kurzschlussleitung durch ein einfaches metallisches Stanzteil ausgeführt sein. Ferner offenbart die Druckschrift eine Lösung, bei der Rotor einen Träger aufweist, der aus Kunststoff oder einem Hybridmaterial besteht wobei die periodische Schleifenstruktur durch eine Metallbeschichtung oder aber auch durch eine Leiterpaste realisiert werden kann (siehe Spalte 2, Zeile 28–42 der Druckschrift). In der Vergangenheit haben sich von diesen Alternativen zum Herstellen der Kurzschlussleitung des Rotors im wesentlichen metallische Stanzteile durchgesetzt. Dies lag zum einen daran, dass kostengünstige Verfahren zum Auftragen der Leiterpaste nicht bekannt waren.According to the document, it can the short-circuit line through a simple metallic stamped part accomplished his. The publication also discloses a solution in which the rotor has a carrier, which consists of plastic or a hybrid material, the periodic Loop structure through a metal coating or through a Conductor paste can be realized (see column 2, lines 28-42 of Volume). In the past, these alternatives have evolved to produce the short-circuit line of the rotor essentially metallic Stamped parts enforced. On the one hand, this was due to the fact that inexpensive procedures for applying the conductor paste were not known.
Der Erfindung liegt daher die Aufgabe zugrunde, ein kostengünstiges und technologisch einfach umzusetzendes Verfahren und ein mit einem solchen Verfahren hergestellten Rotor bzw. Koppelelement vorzuschlagen.The invention is therefore the object underlying an inexpensive and technologically easy to implement and one with one Propose method manufactured rotor or coupling element.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Kurzschlussleitung aus einem aufgedruckten Stoffgemisch besteht, welches elektrisch leitende Partikel enthält. Zum Herstellen einer solchen aufgedruckten Kurzschlussleitung wird ein druckfähiges Stoffgemisch aufbereitet, welches mit einem bekannten Druckverfahren auf den Träger des Koppelelements aufgedruckt wird. Druckfähig heißt hier insbesondere, dass es sich dabei zunächst um ein fließfähiges oder spritzfähiges Stoffgemisch handelt, welches nach dem Druckvorgang auf dem Träger trocknet bzw. härtet. Vorteilhaft ist hier insbesondere das Siebdrucken. Das Stoffgemisch kann gemäß der Erfindung aber auch im Tampondruck oder durch Tropfen ähnlich zum Tintenstrahldrucken auf den Träger aufgetragen werden.This object is achieved according to the invention solved, that the short-circuit line from a printed substance mixture exists, which contains electrically conductive particles. To the Manufacturing such a printed short-circuit line becomes a printable mixture of substances processed, which with a known printing process on the carrier of the coupling element is printed. Printable means here in particular that it initially to be a flowable or sprayable This is a mixture of substances that dries on the carrier after the printing process or hardens. Screen printing is particularly advantageous here. The mixture of substances can according to the invention but also in pad printing or by drops similar to inkjet printing on the carrier be applied.
Der Träger der Kurzschlussleitung besteht aus einem anorganischen oder organischen Isolator. Gemäß der Erfindung kann es sich dabei um einen Kunststoff handeln, insbesondere um einen polaren Kunststoff. Beispiele für derartige Kunststoffe sind PA, PBT oder POM. Vorteilhaft an der Ausführung des Koppelelements als Kunststoffteil ist die preiswerte und mit anderen Funktionen kombinierbare Ausführung des Trägers.The carrier of the short circuit line consists of an inorganic or organic insulator. According to the invention can be a plastic, in particular a polar plastic. Examples of such plastics are PA, PBT or POM. Advantageous in the design of the coupling element as a plastic part is the inexpensive version of the Carrier.
Das ausgehärtete bzw. getrocknete Stoffgemisch aus welchem die Kurzschlussleitung besteht, kann ein die Partikel enthaltenes Metallpulver und ein Harz umfassen. Ferner können Reste von Lösungsmitteln enthalten sein, welche in dem druckfähigen, d. h. flüssigen oder spritzfähigen Stoffgemisch enthalten sind.The hardened or dried mixture of substances The particles from which the short-circuit line is made can contained metal powder and a resin. Furthermore, residues of solvents be included, which in the printable, d. H. liquid or sprayable Mixture of substances are included.
Bei den Partikeln kann es sich um Eisen, Kupfer, Silber und/oder Nickelpartikel handeln. Die Partikel können auch mit einem Edelmetall beschichtet sein. Die Kurzschlussleitung kann gemäß der Erfindung eine Schichtdicke von 10 – 35 μ vorzugsweise von 10 – 20 μ aufweisen, wobei die Schichtdicke auch durch ein mehrfaches Bedrucken erreicht werden kann. Ein solches mehrfaches Bedrucken ist insbesondere sinnvoll, um eine gleichmäßige und möglichst dichte Verteilung der leitenden Partikel in der Kurzschlussleitung zu erreichen.The particles can be Act iron, copper, silver and / or nickel particles. The particles can also be coated with a precious metal. The short circuit line can according to the invention a layer thickness of 10-35 μ preferably have from 10 - 20 μ, the layer thickness also being achieved by multiple printing can be. Such multiple printing is particularly useful to a uniform and preferably dense distribution of the conductive particles in the short-circuit line to reach.
Das Stoffgemisch kann gemäß der Erfindung 60–90%, vorzugsweise jedoch 85% Partikel enthalten. Bei dem druckfähigen, d. h. flüssigen oder spritzfähigen Stoffgemisch ist der Anteil der Partikel entsprechend der enthaltenen Lösungsmittel verringert.According to the invention, the mixture of substances can be 60-90%, preferably however contain 85% particles. In the printable, i.e. H. liquid or sprayable The mixture of substances is the proportion of the particles corresponding to that contained solvent reduced.
Zum Schutz vor mechanischen Einwirkungen oder zum Schutz vor Feuchtigkeit kann die Kurzschlussleitung mit einem versiegelnden Lack versehen sein.To protect against mechanical influences or to protect against moisture, the short-circuit line can also be used be provided with a sealing lacquer.
Ein Ausführungsbeispiel für ein erfindungsgemäßes Koppelelement nämlich einen Rotor ist anhand der Zeichnung näher beschrieben. Darin zeigtAn embodiment for a coupling element according to the invention namely a rotor is described in more detail with reference to the drawing. In it shows
Der in
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002133132 DE10233132A1 (en) | 2002-07-20 | 2002-07-20 | Rotor or coupling element for an inductive sensor for angular velocity or position measurement has a short circuit conductor made from print-deposited conducting paste |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2002133132 DE10233132A1 (en) | 2002-07-20 | 2002-07-20 | Rotor or coupling element for an inductive sensor for angular velocity or position measurement has a short circuit conductor made from print-deposited conducting paste |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10233132A1 true DE10233132A1 (en) | 2004-02-12 |
Family
ID=30128203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2002133132 Ceased DE10233132A1 (en) | 2002-07-20 | 2002-07-20 | Rotor or coupling element for an inductive sensor for angular velocity or position measurement has a short circuit conductor made from print-deposited conducting paste |
Country Status (1)
Country | Link |
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DE (1) | DE10233132A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004022622B4 (en) * | 2004-05-07 | 2013-09-12 | Robert Bosch Gmbh | Magnetic sensor arrangement and a method for its production |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2529406A1 (en) * | 1982-06-23 | 1983-12-30 | Labo Electronique Physique | Rotor for printed circuit electric motor rotor mfr. - using thick film integrated circuit fabrication techniques onto aluminium disc to form rotor capable of high temp. operation |
DE3642678A1 (en) * | 1986-12-13 | 1988-06-16 | Bosch Gmbh Robert | MEASURING DEVICE FOR TURNING ANGLE AND / OR TURNING SPEED |
US4764767A (en) * | 1985-08-27 | 1988-08-16 | Kabushiki Kaisha Sg | Absolute rotational position detection device |
DE4431723A1 (en) * | 1993-09-13 | 1995-03-23 | Starck H C Gmbh Co Kg | Pastes for coating substrates, processes for their production and their use |
DE19946712A1 (en) * | 1999-09-29 | 2001-04-05 | Inst Neue Mat Gemein Gmbh | Methods and compositions for printing substrates |
-
2002
- 2002-07-20 DE DE2002133132 patent/DE10233132A1/en not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2529406A1 (en) * | 1982-06-23 | 1983-12-30 | Labo Electronique Physique | Rotor for printed circuit electric motor rotor mfr. - using thick film integrated circuit fabrication techniques onto aluminium disc to form rotor capable of high temp. operation |
US4764767A (en) * | 1985-08-27 | 1988-08-16 | Kabushiki Kaisha Sg | Absolute rotational position detection device |
DE3642678A1 (en) * | 1986-12-13 | 1988-06-16 | Bosch Gmbh Robert | MEASURING DEVICE FOR TURNING ANGLE AND / OR TURNING SPEED |
DE4431723A1 (en) * | 1993-09-13 | 1995-03-23 | Starck H C Gmbh Co Kg | Pastes for coating substrates, processes for their production and their use |
DE19946712A1 (en) * | 1999-09-29 | 2001-04-05 | Inst Neue Mat Gemein Gmbh | Methods and compositions for printing substrates |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004022622B4 (en) * | 2004-05-07 | 2013-09-12 | Robert Bosch Gmbh | Magnetic sensor arrangement and a method for its production |
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Legal Events
Date | Code | Title | Description |
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OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
OP8 | Request for examination as to paragraph 44 patent law | ||
8127 | New person/name/address of the applicant |
Owner name: HELLA KGAA HUECK & CO., 59557 LIPPSTADT, DE |
|
8131 | Rejection |