EP2164081A2 - Switching magnet - Google Patents
Switching magnet Download PDFInfo
- Publication number
- EP2164081A2 EP2164081A2 EP09169917A EP09169917A EP2164081A2 EP 2164081 A2 EP2164081 A2 EP 2164081A2 EP 09169917 A EP09169917 A EP 09169917A EP 09169917 A EP09169917 A EP 09169917A EP 2164081 A2 EP2164081 A2 EP 2164081A2
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- EP
- European Patent Office
- Prior art keywords
- switching
- switching element
- piston
- contacts
- magnetic piston
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1844—Monitoring or fail-safe circuits
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F7/1844—Monitoring or fail-safe circuits
- H01F2007/185—Monitoring or fail-safe circuits with armature position measurement
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H11/0062—Testing or measuring non-electrical properties of switches, e.g. contact velocity
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/04—Means for indicating condition of the switching device
- H01H2071/046—Means for indicating condition of the switching device exclusively by position of operating part, e.g. with additional labels or marks but no other movable indicators
Definitions
- the invention relates to a switching magnet according to the preamble of claim 1.
- Switching magnets are known, which are provided with an interrogator for detecting the position of a magnetic piston (armature) (for example, extended according to the criteria - retracted) of the switching magnet.
- interrogators include switch contacts (e.g., reed contacts or microswitches) external of the solenoid, actuated by the magnetic piston or an axis moved by the magnetic piston.
- the invention achieves this object by providing a switching magnet with the characterizing features of claim 1.
- Advantageous embodiments of the switching magnet according to the invention are set forth in the dependent claims.
- the switching magnet according to the invention requires a much smaller space than conventional solenoids with anchor position query due to the integration of the Endlagenabfrage invention in the solenoids. Furthermore, in the case of the switching magnet according to the invention, no additional contacts, including cabling, have to be mounted outside the switching magnet. Rather, the anchor position query by a controller etc. directly by connecting the controller with connections to the solenoid. Another significant advantage of the switching magnet according to the invention is that the armature position sensing device is protected in the solenoid arranged and therefore offers excellent reliability and longevity.
- the switching magnet according to the invention has at least one piston position detector integrated in the switching magnet.
- the piston position detector detects at least two different positions of the magnetic piston, so that with a single piston position detector and thus with minimal component expenditure, for example, the starting and the end position of the magnetic piston can be determined.
- the piston position detector In order to achieve optimum protection of the piston position detector against environmental influences and external mechanical forces, it is provided to install the piston position detector in the bobbin and / or to arrange the piston position detector at least partially between the bobbin and the magnetic piston.
- the piston position detector comprises at least two contacts and a switching element, wherein the switching element is directly or indirectly actuated by the magnetic piston and opens and / or closes when actuated contacts.
- the switching element is arranged on the magnetic piston or possibly on the axis or may be formed as a part of the magnetic piston or the axis.
- the opening and closing of contacts is effected in one embodiment of the invention by the switching element triggered mechanical deflection of a contact towards another contact or away from another contact.
- the switching element is designed as an electrically conductive element which, when actuated, is brought into or out of electrically conductive engagement with at least two electrical contacts. It is advantageous in some applications, when the electrically conductive switching element is arranged electrically isolated on the magnetic piston or optionally on the axis.
- the piston position detector can detect clearly defined positions of the magnetic piston, preferably at least one contact and / or the switching element has switching sections defined by shaping. Only at these switching sections in or out of engagement with another contact or the switching element is possible.
- the switching sections are formed as projections, paragraphs or depressions.
- the contacts are perfectly protected against environmental influences, if they are at least partially included in the bobbin.
- the same purpose also serves to guide the contacts in or on at least one flange of the bobbin so that they protrude radially beyond this flange.
- Electromagnetic solenoids also called solenoids or electromagnetic actuators
- solenoids are used in many areas to perform setting or switching functions. It is often necessary to be able to check in which position the piston (also referred to as anchor) of the solenoid is currently. In most cases, the possible end positions of the Kobens are queried.
- the solenoid 10 has a housing 1, which serves as a magnetic iron yoke element.
- a housing 1 which serves as a magnetic iron yoke element.
- winding 3 of an excitation coil is housed. End surfaces of the housing in each case abut against an end flange 4b, 4c of the bobbin 4.
- the bobbin 4 has a central passage opening 4a with a central axis.
- a pole core 2 is arranged in the through hole 4 a, but projects in part beyond the through hole 4 a and is inserted with its protruding end into a first through hole 1 a of the housing 1.
- annular plain bearing bush 6a which consists of a lubricious material or is provided on its inner peripheral surface with a sliding layer, for example a PTFE layer.
- a further passage opening 1b is formed coaxially with the Through hole 4a of the bobbin 4 is aligned.
- a second annular plain bearing bush 6b is seated in the through hole 1b of the housing 1 and extends into the through hole 4a of the bobbin 4.
- a magnetic piston 5 is accommodated from a soft magnetic material, which extends inwardly beyond the plain bearing bush 6b in the Through opening 4a of the bobbin 4 extends.
- an axis 7 (also referred to as a push rod) is inserted from a non-magnetic material.
- This axis 7 extends through an axial passage opening 2b of the pole core 2 or through the first plain bearing bush 6a out of the switching magnet 10.
- a coil spring 9 is disposed in the through hole 2b of the pole core 2 about the axis 7 around.
- One end of the coil spring 9 rests against the plain bearing bush 6a, the other end of the coil spring 9 abuts on the magnetic piston 5 and biases the magnetic piston 5 in a Hubgglingsposition HA (see. Fig. 3A ), which is defined by the abutment of a displaceably arranged on the axis 7 or the magnetic piston 5 stop element on an abutment.
- the magnetic piston 5 is displaceable along the center axis of the bobbin 4 (see double arrow A), wherein between the magnetic piston 5 and the pole core 2, a working air gap 8 is formed whose axial length changes with the displacement of the magnetic piston 5.
- the magnetic piston 5 When the exciting coil winding 3 is energized, the magnetic piston 5 is moved from its stroke initial position HA in the direction of the pole core 2 to a stroke end position HE, which is defined in the present example as a position in which the magnetic piston 5 with its conical Part of the pole core 2 is present. Damping disks 11 dampen the stop of the magnetic piston both at its initial position HA and at its end position HE.
- At least one piston position detector 20 is installed in the switching magnet 10 according to the invention. In the present embodiment, both the reaching of the stroke initial position HA and the reaching of the stroke end position HE are detected with the piston position detector 20.
- a piston position detector 20 is integrated in the switching magnet 10, the at least one, but preferably at least two different positions of the magnetic piston 5 detected.
- the piston position detector 20 is installed in the bobbin 4 or parts thereof may be arranged between the bobbin 4 and the magnetic piston 5.
- the piston position detector comprises in this embodiment, a plurality of contacts 21, 22, 23 and a switching element 24 which is formed as an annular web of the magnetic piston 5 and thus moves together with the magnetic piston 5 (actuated) and when actuated contacts 21, 22 and 22, 23 opens and / or closes.
- the switching element could also be arranged on the axis 7.
- the switching element 24 is an electrically conductive element, which, when actuated, is brought into electrically conductive engagement with two electrical contacts when it is located at a position in which at least one contact 21, 22 has switching sections 25, 26, 27, which Projections are formed. When the switching element 24 is moved away from these switching sections 25, 26, 27, the electrically conductive connection between adjacent contacts is interrupted.
- the contacts 21, 22, 23 are formed as contact springs which exert a mechanical bias on the switching element 24 when the switching element 24 is in the region of the switching sections 25, 26, 27.
- switching sections may also include shoulders or depressions. To avoid short circuits, the switching element 24 can be arranged electrically isolated on the magnetic piston 5 or optionally on the axis 7.
- Fig. 1 and Fig. 2 shows an embodiment of the switching magnet 10 according to the invention with so-called external contacts, which are contacts (also) are guided on the outer surface of the cylindrical base portion of the bobbin 4.
- FIGS. 4A, 4B and 4C show a variant of a switching magnet 10 "according to the invention, which differs from the above-described first embodiment in that it has internal contacts 41, which are contacts, which are guided on the inner surface of the cylindrical base portion of the bobbin 4.
- the other components of Solenoids 10 substantially correspond to those of the above-described solenoid 10, so that reference may be made to the above paragraphs with regard to the description of their form and function.
- FIGS. 3A, 3B and 3C show a further embodiment of a switching magnet 10 'according to the invention with four contacts 31, 32, 33, 34th
Abstract
Description
Die Erfindung betrifft einen Schaltmagneten gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a switching magnet according to the preamble of claim 1.
Es sind Schaltmagneten bekannt, die mit einer Abfrageeinrichtung zur Detektion der Stellung eines Magnetkolbens (Ankers) (z.B. nach den Kriterien ausgefahren - eingefahren) des Schaltmagneten versehen sind. Dies Abfrageeinrichtungen umfassen außerhalb des Schaltmagneten angeordnete Schaltkontakte (z.B. Reed-Kontakte oder Mikroschalter ), die vom Magnetkolben oder einer vom Magnetkolben bewegten Achse betätigt werden.Switching magnets are known, which are provided with an interrogator for detecting the position of a magnetic piston (armature) (for example, extended according to the criteria - retracted) of the switching magnet. These interrogators include switch contacts (e.g., reed contacts or microswitches) external of the solenoid, actuated by the magnetic piston or an axis moved by the magnetic piston.
Nachteilig an diesen bekannten Schaltmagneten ist ihr großer benötigter Bauraum, die erforderliche Assemblierung mit den externen Schaltkontakten, die zusätzliche Verkabelungsarbeiten erfordert, sowie die Notwendigkeit des Vorsehens von Anschlüssen zur Verbindung mit zusätzlichen Kabeln zur Weiterleitung der von den externen Schaltkontakten gelieferten Signale an Steuervorrichtungen etc.A disadvantage of these known solenoids is their large required space, the required assembly with the external switch contacts, the additional wiring work requires, as well as the need to provide connections for connection with additional cables for forwarding the signals supplied by the external switching contacts to control devices, etc.
Es besteht somit das Bedürfnis nach Bereitstellung eines Schaltmagneten, der solcherart weitergebildet ist, dass die oben angeführten Nachteile des Standes der Technik nicht mehr auftreten.There is thus a need to provide a switching magnet which is developed in such a way that the above-mentioned disadvantages of the prior art no longer occur.
Die Erfindung löst diese Aufgabe durch Bereitstellen eines Schaltmagneten mit den kennzeichnenden Merkmalen des Anspruchs 1. Vorteilhafte Ausgestaltungen des erfindungsgemäßen Schaltmagneten sind in den Unteransprüchen dargelegt.The invention achieves this object by providing a switching magnet with the characterizing features of claim 1. Advantageous embodiments of the switching magnet according to the invention are set forth in the dependent claims.
Der erfindungsgemäße Schaltmagnet benötigt aufgrund der erfindungsgemäßen Integration der Endlagenabfrage in den Schaltmagneten einen wesentlich kleineren Bauraum als herkömmliche Schaltmagneten mit Ankerstellungsabfrage. Weiters müssen beim erfindungsgemäßen Schaltmagneten keine zusätzlichen Kontakte samt Verkabelung außerhalb des Schaltmagneten montiert werden. Vielmehr kann die Ankerstellungsabfrage durch ein Steuergerät etc. direkt durch Verbinden des Steuergeräts mit Anschlüssen am Schaltmagnet erfolgen. Ein weiterer wesentlicher Vorteil des erfindungsgemäßen Schaltmagneten besteht darin, dass die Ankerstellungsabfrageeinrichtung geschützt im Schaltmagneten angeordnet ist und daher hervorragende Betriebssicherheit und Langlebigkeit bietet.The switching magnet according to the invention requires a much smaller space than conventional solenoids with anchor position query due to the integration of the Endlagenabfrage invention in the solenoids. Furthermore, in the case of the switching magnet according to the invention, no additional contacts, including cabling, have to be mounted outside the switching magnet. Rather, the anchor position query by a controller etc. directly by connecting the controller with connections to the solenoid. Another significant advantage of the switching magnet according to the invention is that the armature position sensing device is protected in the solenoid arranged and therefore offers excellent reliability and longevity.
Weitere Vorteile und Merkmale der Erfindung werden aus der nachfolgenden Beschreibung von Ausführungsbeispielen verständlich werden.Further advantages and features of the invention will become apparent from the following description of exemplary embodiments.
Der erfindungsgemäße Schaltmagnet weist zumindest einen in den Schaltmagneten integrierten Kolbenpositionsdetektor auf. Vorzugsweise erfasst der Kolbenpositionsdetektor zumindest zwei unterschiedliche Positionen des Magnetkolbens, so dass mit einem einzigen Kolbenpositionsdetektor und damit mit minimalem Bauteilaufwand beispielsweise die Anfangs- und die Endposition des Magnetkolbens feststellbar ist.The switching magnet according to the invention has at least one piston position detector integrated in the switching magnet. Preferably, the piston position detector detects at least two different positions of the magnetic piston, so that with a single piston position detector and thus with minimal component expenditure, for example, the starting and the end position of the magnetic piston can be determined.
Um einen optimalen Schutz des Kolbenpositionsdetektors gegenüber Umwelteinflüssen und externen mechanischen Kräften zu erreichen, ist vorgesehen, den Kolbenpositionsdetektor in den Spulenkörper einzubauen und/oder den Kolbenpositionsdetektor zumindest teilweise zwischen dem Spulenkörper und dem Magnetkolben anzuordnen.In order to achieve optimum protection of the piston position detector against environmental influences and external mechanical forces, it is provided to install the piston position detector in the bobbin and / or to arrange the piston position detector at least partially between the bobbin and the magnetic piston.
In einer bevorzugten Ausführungsform der Erfindung umfasst der Kolbenpositionsdetektor zumindest zwei Kontakte und ein Schaltelement, wobei das Schaltelement direkt oder mittelbar durch den Magnetkolben betätigbar ist und bei Betätigung Kontakte öffnet und/oder schließt. In einer besonders einfachen und robusten Ausführungsform der Erfindung ist das Schaltelement am Magnetkolben oder gegebenenfalls an der Achse angeordnet bzw. kann als ein Teil des Magnetkolbens bzw. der Achse ausgebildet sein.In a preferred embodiment of the invention, the piston position detector comprises at least two contacts and a switching element, wherein the switching element is directly or indirectly actuated by the magnetic piston and opens and / or closes when actuated contacts. In a particularly simple and robust embodiment of the invention, the switching element is arranged on the magnetic piston or possibly on the axis or may be formed as a part of the magnetic piston or the axis.
Das Öffnen und Schließen von Kontakten wird in einer Ausführungsform der Erfindung durch vom Schaltelement ausgelöste mechanische Auslenkung eines Kontaktes hin zu einem anderen Kontakt oder weg von einem anderen Kontakt bewirkt.The opening and closing of contacts is effected in one embodiment of the invention by the switching element triggered mechanical deflection of a contact towards another contact or away from another contact.
Alternativ oder ergänzend zur mechanischen Kontaktverbindung oder -unterbrechung ist das Schaltelement als ein elektrisch leitfähiges Element ausgebildet, dass bei seiner Betätigung in oder außer elektrisch leitenden Eingriff mit zumindest zwei elektrischen Kontakten gebracht wird. Dabei ist es bei manchen Anwendungsfällen günstig, wenn das elektrisch leitfähige Schaltelement elektrisch isoliert am Magnetkolben oder gegebenenfalls an der Achse angeordnet ist.As an alternative or in addition to the mechanical contact connection or disconnection, the switching element is designed as an electrically conductive element which, when actuated, is brought into or out of electrically conductive engagement with at least two electrical contacts. It is advantageous in some applications, when the electrically conductive switching element is arranged electrically isolated on the magnetic piston or optionally on the axis.
Damit der Kolbenpositionsdetektor eindeutig definierte Stellungen des Magnetkolbens erfassen kann, weist vorzugsweise zumindest ein Kontakt und/oder das Schaltelement durch Formgebung definierte Schaltabschnitte auf. Nur an diesen Schaltabschnitten ist ein in oder außer Eingriff bringen mit einem anderen Kontakt oder dem Schaltelement möglich. Bevorzugt sind die Schaltabschnitte als Vorsprünge, Absätze oder Vertiefungen ausgebildet.So that the piston position detector can detect clearly defined positions of the magnetic piston, preferably at least one contact and / or the switching element has switching sections defined by shaping. Only at these switching sections in or out of engagement with another contact or the switching element is possible. Preferably, the switching sections are formed as projections, paragraphs or depressions.
Es ist weiters bevorzugt, zur Herstellung verlässlicher mechanischer und elektrischer Verbindungen die Kontakte als Kontaktfedern auszubilden.It is further preferred for the production of reliable mechanical and electrical connections to form the contacts as contact springs.
Die Kontakte werden hervorragend gegen Umwelteinflüsse geschützt, wenn sie zumindest teilweise im Spulenkörper aufgenommen sind. Demselben Zweck dient es auch die Kontakte in oder an zumindest einem Flansch des Spulenkörpers so zu führen, dass sie radial über diesen Flansch hinausragen.The contacts are perfectly protected against environmental influences, if they are at least partially included in the bobbin. The same purpose also serves to guide the contacts in or on at least one flange of the bobbin so that they protrude radially beyond this flange.
Anhand der beiliegenden Zeichnungen werden nun Ausführungsformen der Erfindung beispielhaft und in nicht einschränkender Weise näher erläutert. In den Zeichnungen zeigen
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Fig. 1 eine erste Ausführungsform eines erfindungsgemäßen Schaltmagneten im Längsschnitt; -
Fig. 2 eine perspektivische Ansicht des Spulenkörpers der ersten Ausführungsform des erfindungsgemäßen Schaltmagneten; -
Fig. 3A, Fig. 3B und Fig. 3C eine alternative Ausführungsform eines erfindungsgemäßen Schaltmagneten im Längsschnitt, in Vorderansicht und in der Perspektive; -
Fig. 4A, Fig. 4B und Fig. 4C eine weitere Ausführungsform eines erfindungsgemäßen Schaltmagneten im Längsschnitt, in Vorderansicht und in der Perspektive.
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Fig. 1 a first embodiment of a solenoid according to the invention in longitudinal section; -
Fig. 2 a perspective view of the bobbin of the first embodiment of the switching magnet according to the invention; -
FIGS. 3A, 3B and 3C an alternative embodiment of a solenoid according to the invention in longitudinal section, in front view and in perspective; -
FIGS. 4A, 4B and 4C a further embodiment of a switching magnet according to the invention in longitudinal section, in front view and in perspective.
Elektromagnetische Schaltmagnete (auch Hubmagnete oder elektromagnetische Aktuatoren genannt) werden in vielen Bereichen zur Ausführung von Stell- oder Schaltfunktionen eingesetzt. Dabei ist es oftmals erforderlich, überprüfen zu können, in welcher Stellung sich der Kolben (auch als Anker bezeichnet) des Schaltmagneten momentan befindet. Zumeist werden dabei die möglichen Endpositionen des Kobens abgefragt.Electromagnetic solenoids (also called solenoids or electromagnetic actuators) are used in many areas to perform setting or switching functions. It is often necessary to be able to check in which position the piston (also referred to as anchor) of the solenoid is currently. In most cases, the possible end positions of the Kobens are queried.
Anhand von
In den Magnetkolben 5 ist koaxial eine Achse 7 (auch als Schubstange bezeichnet) aus einem nichtmagnetischen Material eingesetzt. Diese Achse 7 erstreckt sich durch eine axiale Durchgangsöffnung 2b des Polkerns 2 bzw. durch die erste Gleitlagerbuchse 6a aus dem Schaltmagneten 10 heraus. Eine Schraubenfeder 9 ist in der Durchgangsöffnung 2b des Polkerns 2 um die Achse 7 herum angeordnet. Ein Ende der Schraubenfeder 9 ruht an der Gleitlagerbuchse 6a auf, das andere Ende der Schraubenfeder 9 liegt an dem Magnetkolben 5 an und spannt den Magnetkolben 5 in eine Hubanfangsposition HA (vgl.
Der Magnetkolben 5 ist entlang der Mittenachse des Spulenkörpers 4 verschiebbar (siehe Doppelpfeil A), wobei zwischen dem Magnetkolben 5 und dem Polkern 2 ein Arbeitsluftspalt 8 ausgebildet ist, dessen axiale Länge sich mit der Verschiebung des Magnetkolbens 5 verändert.The
Wenn die Erregerspulen-Wicklung 3 mit Strom beaufschlagt wird, so wird der Magnetkolben 5 aus seiner Hubanfangsposition HA in Richtung des Polkerns 2 bis in eine Hubendposition HE bewegt, die im vorliegenden Beispiel als eine Position definiert ist, in der der Magnetkolben 5 mit seinem konischen Teil am Polkern 2 anliegt. Dämpfungsscheiben 11 dämpfen den Anschlag des Magnetkolbens sowohl an seiner Anfangsposition HA als auch an seiner Endposition HE.When the exciting coil winding 3 is energized, the
Um die Stellung des Magnetkolbens 5 detektieren zu können, ist zumindest ein Kolbenpositionsdetektor 20 in den erfindungsgemäßen Schaltmagneten 10 eingebaut. Im vorliegenden Ausführungsbeispiel werden mit dem Kolbenpositionsdetektor 20 sowohl das Erreichen der Hubanfangsposition HA als auch das Erreichen der Hubendposition HE detektiert.In order to be able to detect the position of the
Gemäß der Erfindung ist in den Schaltmagneten 10 ein Kolbenpositionsdetektor 20 integriert, der zumindest eine, bevorzugt aber zumindest zwei unterschiedliche Positionen des Magnetkolbens 5 erfasst. Der Kolbenpositionsdetektor 20 ist in den Spulenkörper 4 eingebaut bzw. können Teile davon zwischen dem Spulenkörper 4 und dem Magnetkolben 5 angeordnet sein. Der Kolbenpositionsdetektor umfasst in diesem Ausführungsbeispiel mehrere Kontakte 21, 22, 23 und ein Schaltelement 24, das als ringförmiger Steg des Magnetkolbens 5 ausgebildet ist und somit gemeinsam mit dem Magnetkolben 5 bewegt (betätigt) wird und bei Betätigung Kontakte 21, 22 bzw. 22, 23 öffnet und/oder schließt. Alternativ dazu könnte das Schaltelement auch an der Achse 7 angeordnet sein.According to the invention, a
Das Schaltelement 24 ist ein elektrisch leitfähiges Element, dass bei seiner Betätigung in elektrisch leitenden Eingriff mit zwei elektrischen Kontakten gebracht wird, wenn es sich an einer Stelle befindet, in der zumindest ein Kontakt 21, 22 Schaltabschnitte 25, 26, 27 aufweist, die als Vorsprünge ausgebildet sind. Wenn das Schaltelement 24 von diesen Schaltabschnitten 25, 26, 27 wegbewegt wird, so wird die elektrisch leitenden Verbindung zwischen benachbarten Kontakten unterbrochen. Die Kontakte 21, 22, 23 sind als Kontaktfedern ausgebildet, die auf das Schaltelement 24 eine mechanische Vorspannung ausüben, wenn sich das Schaltelement 24 im Bereich der Schaltabschnitte 25, 26, 27 befindet. Außer Vorsprünge können Schaltabschnitte auch Absätze oder Vertiefungen umfassen. Zur Vermeidung von Kurzschlüssen kann das Schaltelement 24 elektrisch isoliert am Magnetkolben 5 oder gegebenenfalls an der Achse 7 angeordnet sein.The switching
Als alternative Lösung zur Erstellung oder Lösung einer elektrischen Verbindung zwischen zwei Kontakten wird vorgeschlagen, das Schaltelement so auszubilden, dass es bei seiner Betätigung zumindest einen Kontakt auslenkt und dabei diesen Kontakt in oder außer Eingriff mit dem anderen Kontakt bringt.As an alternative solution for creating or solving an electrical connection between two contacts is proposed to form the switching element so that it deflects at least one contact during its operation and thereby brings this contact in or out of engagement with the other contact.
Wie aus
Claims (13)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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ATGM484/2008U AT13504U1 (en) | 2008-09-10 | 2008-09-10 | SOLENOID |
Publications (2)
Publication Number | Publication Date |
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EP2164081A2 true EP2164081A2 (en) | 2010-03-17 |
EP2164081A3 EP2164081A3 (en) | 2013-06-26 |
Family
ID=41258756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP09169917.3A Withdrawn EP2164081A3 (en) | 2008-09-10 | 2009-09-10 | Switching magnet |
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EP (1) | EP2164081A3 (en) |
AT (1) | AT13504U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010039584A1 (en) * | 2010-08-20 | 2012-02-23 | Zf Friedrichshafen Ag | Magnetic actuator for gear box actuator device of motor car, has sensor unit that is arranged within inner space of housing in axial interstice between armature and magnetic coil for sensing quiescent state position of armature |
EP2587496A1 (en) | 2011-10-27 | 2013-05-01 | MSG Mechatronic Systems GmbH | Bistable switching magnet with piston position detector |
WO2016142105A1 (en) * | 2015-03-06 | 2016-09-15 | Zf Friedrichshafen Ag | Electromagnetic switching device and method for operating the electromagnetic switching device |
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EP1818951A1 (en) * | 2006-02-06 | 2007-08-15 | MSG Mechatronic Systems GmbH | Solenoid |
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US3832505A (en) * | 1973-05-15 | 1974-08-27 | F Wong | Piston actuated switch with screw threads on piston and housing |
US5172298A (en) * | 1990-01-09 | 1992-12-15 | Honda Giken Kogyo Kabushiki Kaisha | Electromagnetic actuator |
JPH10174408A (en) * | 1996-12-06 | 1998-06-26 | Seiko Epson Corp | Vibrating device |
JP2002048506A (en) * | 2000-08-04 | 2002-02-15 | Matsushita Electric Ind Co Ltd | Position sensor for electromagnetic actuator |
DE10228856A1 (en) * | 2002-06-27 | 2004-01-22 | Siemens Ag | Direct drive for a throttle valve shaft in a throttle valve assembly |
-
2008
- 2008-09-10 AT ATGM484/2008U patent/AT13504U1/en not_active IP Right Cessation
-
2009
- 2009-09-10 EP EP09169917.3A patent/EP2164081A3/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29703587U1 (en) * | 1997-02-28 | 1998-06-25 | Fev Motorentech Gmbh & Co Kg | Electromagnetic actuator with proximity sensor |
FR2807871A1 (en) * | 2000-04-12 | 2001-10-19 | Schneider Electric Ind Sa | Low voltage electromagnetic switching mechanism having fixed body/central hub and outer coil continuous current fed and switched from parallel/series using command from palette contact carriers. |
EP1818951A1 (en) * | 2006-02-06 | 2007-08-15 | MSG Mechatronic Systems GmbH | Solenoid |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010039584A1 (en) * | 2010-08-20 | 2012-02-23 | Zf Friedrichshafen Ag | Magnetic actuator for gear box actuator device of motor car, has sensor unit that is arranged within inner space of housing in axial interstice between armature and magnetic coil for sensing quiescent state position of armature |
EP2587496A1 (en) | 2011-10-27 | 2013-05-01 | MSG Mechatronic Systems GmbH | Bistable switching magnet with piston position detector |
WO2016142105A1 (en) * | 2015-03-06 | 2016-09-15 | Zf Friedrichshafen Ag | Electromagnetic switching device and method for operating the electromagnetic switching device |
Also Published As
Publication number | Publication date |
---|---|
AT13504U1 (en) | 2014-02-15 |
EP2164081A3 (en) | 2013-06-26 |
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