EP1032941B1 - Miniaturised flat spool relay - Google Patents
Miniaturised flat spool relay Download PDFInfo
- Publication number
- EP1032941B1 EP1032941B1 EP98951151A EP98951151A EP1032941B1 EP 1032941 B1 EP1032941 B1 EP 1032941B1 EP 98951151 A EP98951151 A EP 98951151A EP 98951151 A EP98951151 A EP 98951151A EP 1032941 B1 EP1032941 B1 EP 1032941B1
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- EP
- European Patent Office
- Prior art keywords
- micro
- flat
- permanent magnet
- relay according
- rotor
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- Expired - Lifetime
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- 230000004907 flux Effects 0.000 claims description 23
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/005—Details of electromagnetic relays using micromechanics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/005—Details of electromagnetic relays using micromechanics
- H01H2050/007—Relays of the polarised type, e.g. the MEMS relay beam having a preferential magnetisation direction
Definitions
- the present invention relates to a microrelay consisting of a Magnetic coil system, a contact carrier body with contacts arranged therein, a permanent magnet for magnetic inference and one around his Center axis between two positions tiltable anchor and one Changeover spring system, with the magnetic coil system in the form of a flat coil system a microstructure executed on a flow plate is formed and is formed from at least one microflat coil.
- a large number of relays are known, the coils of which are wound.
- circuit board relays are known, one being wound Coil over a permanent magnet an armature over an induced Magnetic flux causes a tilting movement, causing changeover contact springs be operated.
- the resulting downward is still a disadvantage here limited overall height, especially due to the space requirement of the wound coil, which limits the applicability of such relays.
- they prove to be relative high manufacturing costs of the wound coil and the complexity as well disadvantageous.
- EP, A1 0685864 which forms the closest prior art, describes a flat coil relay, in which the force on a current-carrying conductor is used within a magnetic field.
- the flow between the cylindrical Shaped permanent magnet takes place in the opposite direction, whereby the resulting total flow through the coil cross-sectional area is approximately zero.
- the two magnetic fluxes run in opposite directions Direction.
- EP, A1 0780858 further describes a miniaturized flat coil relay with two completely separate magnetic circles, which are separated by an elastic Switch rocker are connected in spring form. There always have to be two separate permanent magnets can be used.
- the object of the invention is to provide a microrelay of the type described in the introduction to provide that has a minimal height, contains only a few components and can be produced inexpensively in automated production.
- the armature can be swiveled around a central axis as a 3-pole Permanent magnet or is designed as a 2-pole permanent magnet.
- the Permanent magnet positioned on flat cores in the micro flat coils are arranged.
- the flat coil system preferably has two individually arranged micro flat coils on.
- FIG. 1 shows the individual modules of the microrelay in an exploded view, namely a flat coil system 1, a contact carrier body 2 and an anchor and Switch spring holder 3.
- the flat coil system 1 consists of a flow plate 11 and two on it applied micro flat coils 12 and 13, which by means of a suitable Etching process from the field of microstructure technology in a known manner Way generated and fed via the connection lugs 26, 26 '.
- the designed as a microstructure flat coil system 1 serves as a drive for Tilting movement of the armature 31 to actuate the changeover springs 33 and 34.
- the contact carrier body 2 is a frame-shaped plastic injection-molded part, in which six connection lugs are held by injection molding.
- the connecting lugs 27, 28, 29 and 27 ', 28', 29 'for the changeover contacts are provided on each of the long sides of the contact carrier body 2.
- An armature 31 designed as a prismatic rod is arranged in the armature and switchover spring holder 3, which armature can also be designed as a permanent magnet 32.
- the connections 35 and 36 are welded to the positions 40 and 41.
- the armature 31 actuates the changeover springs 33 and 34 as a result of its tilting movement, which, in turn, close the working contacts 37, 37 'and the normally closed contacts 38, 38' in the appropriate position.
- the magnetic flux ⁇ E1 induced by the excited microflat coil 12 counteracts the magnetic flux ⁇ M1 caused by the permanent magnet 32 '.
- the movement is transmitted in a known manner to the changeover springs 33, 34, whereby the switching operation of the microrelay is triggered.
- the resulting fluxes must be set in such a way that the tilting movement is triggered with the aid of the supporting spring action of the changeover springs 33, 34. This can be done by swapping the polarity of the power source.
- Fig. 3 shows an embodiment in which the permanent magnet 32 in the armature 31 induces the magnetic fluxes ⁇ M1 and ⁇ M2 with different flow directions.
- the magnetic flux ⁇ E induced by the micro flat coils 12 and 13 via the cores 15 and 16 in the permanent magnet 32 supports the magnetic flux ⁇ M2 and counteracts the magnetic flux ⁇ M1 , so that the armature 31 tilts into the working position.
- the direction of flow of the micro-coil flux ⁇ E must be reversed, for example in a corresponding manner, as described in the section above.
- FIG. 5 shows an exemplary embodiment which, in contrast to FIG. 2, has an armature 31 ′ which is designed as a 2-pole permanent magnet 32 ′′.
- the magnetically conductive central core 17 increases the magnetic flux ⁇ E1 .
- the magnetic foot ⁇ M has approximately twice the amount of the magnetic flux ⁇ E1.Therefore , the flux ⁇ M is shown as a double line.
- ⁇ E1 is subtracted to ⁇ M
- ⁇ E2 is added to ⁇ M , which in a corresponding manner, as explained above, causes a tilting movement of the armature 31, which is designed as a permanent magnet 'is triggered.
- FIG. 6 shows an exemplary embodiment based on FIG. 5 with a magnetically non-conductive rotary support 17 'instead of a magnetically conductive central core.
- a smaller magnetic flux ⁇ E1 results.
- the ratio ⁇ E1 to ⁇ E2 is smaller than in the case of the exemplary embodiment described in FIG. 5, since there is greater resistance across the air gap during the rotating rest. The principle of operation remains the same.
- FIG. 7 shows an exemplary embodiment according to FIG. 6, with the difference that the axis of rotation 18 "'is located at a greater distance from the flow plate 11.
- the bearing 19 of the axis of rotation 18"' can be provided on the contact carrier body 2.
- 8 shows an exemplary embodiment with a single microflat coil 12 'arranged around a magnetically conductive central core 17.
- the magnetic fluxes ⁇ E1 and ⁇ M subtract, the magnetic fluxes ⁇ E2 and ⁇ M add up, which in turn enables a tilting movement of the armature 31 'designed as a permanent magnet 32 "in the manner already described.
- the flat coil system designed as a microstructure serves as a drive for the tilting movement of the armature 31.
- the tilting movement is achieved by corresponding interaction of the magnetic fluxes ⁇ E1 , ⁇ M1 , ⁇ E2 , ⁇ M2 , ⁇ E , ⁇ M (Fig. 2-8), as explained in detail above.
- the armature actuates the changeover springs 33 and 34, which in turn, in the appropriate position, close the working contacts 37, 37 ', or the normally closed contacts 38, 38'.
- the advantages of the subject of the invention are that they are low Heights can be achieved. It is essential that the invention trained flat coil system allows miniaturization of the relay. Through the Layered construction can optimally unbundle the coil from the contacts be designed. In addition, the manufacture of flat micro coils is due to the Use of modern galvanic processes in a manner known to those skilled in the art particularly inexpensive. This can be achieved by reducing the conductor insulation very high degree of utilization can be achieved. Compared to conventional wound Coils can be massively reduced in process steps during manufacture make. For example, soldering of the coil ends and also that is not necessary related use of fluxes, which for the microclimate of the relay can damage the contact. In addition, the Eisatz from inexpensive connection technologies, e.g. bonding, possible.
- the Insulation material of the conventional insulation of the winding wires also has one negative impact on the microclimate.
- Another advantage of the present The invention is therefore the elimination of this contact damaging Insulation material.
Abstract
Description
Die vorliegende Erfindung betrifft ein Mikrorelais, bestehend aus einem Magnetspulsystem, einem Kontaktträgerkörper mit darin angeordneten Kontakten, einem Permanentmagneten für den magnetischen Rückschluss und einem um seine Mittelachse zwischen zwei Stellungen kippbaren Anker und einem Umschaltfedersystem, wobei das Magnetspulsystem als Flachspul-System in Form einer auf einer Flussplatte ausgeführten Mikrostruktur ausgebildet ist und mindestens aus einer Mikroflachspule gebildet ist.The present invention relates to a microrelay consisting of a Magnetic coil system, a contact carrier body with contacts arranged therein, a permanent magnet for magnetic inference and one around his Center axis between two positions tiltable anchor and one Changeover spring system, with the magnetic coil system in the form of a flat coil system a microstructure executed on a flow plate is formed and is formed from at least one microflat coil.
Es ist eine Vielzahl von Relais bekannt, deren Spulen gewickelt sind. Aus der EP A1 0 373 109 sind zum Beispiel Leiterplattenrelais bekannt, wobei eine gewickelte Spule über einen Permanentmagneten einen Anker über einen induzierten Magnetfluss zu einer Kippbewegung veranlasst, wodurch Umschaltekontaktfedern betätigt werden. Nachteilig ist hier noch immer die resultierende nach unten begrenzte Bauhöhe, insbesondere durch den Platzbedarf der gewickelten Spule, was die Anwendbarkeit solcher Relais einschränkt. Zudem erweisen sich die relativ hohen Herstellkosten der gewickelten Spule und die Kompliziertheit ebenfalls als nachteilig.A large number of relays are known, the coils of which are wound. From EP A1 0 373 109, for example, circuit board relays are known, one being wound Coil over a permanent magnet an armature over an induced Magnetic flux causes a tilting movement, causing changeover contact springs be operated. The resulting downward is still a disadvantage here limited overall height, especially due to the space requirement of the wound coil, which limits the applicability of such relays. In addition, they prove to be relative high manufacturing costs of the wound coil and the complexity as well disadvantageous.
Die den nächstliegenden Stand der Technik bildende EP, A1 0685864 beschreibt ein Flachspul-Relais, in welchem die Kraft auf einen stromdurchflossenen Leiter innerhalb eines Magnetfeldes verwendet wird. Der Fluss zwischen den zylindrisch geformten Permanentmagneten erfolgt in entgegengesetzter Richtung, wodurch der resultierende Gesamtfluss durch die Spulen-Querschnittsfläche annähern Null ist. Die Kraft zur Bewegung des Ankers wird ausschliesslich erzeugt durch die Leiterteile der Spule, welche senkrecht zu den Magnetflüssen 13A=>13B und 14A<=14B stehen. Die beiden Magnetflüsse verlaufen in entgegengesetzter Richtung. EP, A1 0685864, which forms the closest prior art, describes a flat coil relay, in which the force on a current-carrying conductor is used within a magnetic field. The flow between the cylindrical Shaped permanent magnet takes place in the opposite direction, whereby the resulting total flow through the coil cross-sectional area is approximately zero. The force for moving the armature is generated exclusively by the Conductor parts of the coil which are perpendicular to the magnetic fluxes 13A => 13B and 14A <= 14B. The two magnetic fluxes run in opposite directions Direction.
Weiter beschreibt die EP, A1 0780858 ein miniaturisiertes Flachspuirelais mit zwei komplett getrennten magnetischen Kreisen, welche durch eine elastische Schaltwippe in Federform miteinander verbunden sind. Es müssen immer zwei getrennte Permanentmagnete verwendet werden.EP, A1 0780858 further describes a miniaturized flat coil relay with two completely separate magnetic circles, which are separated by an elastic Switch rocker are connected in spring form. There always have to be two separate permanent magnets can be used.
Aufgabe der Erfindung ist es, ein Mikrorelais der einleitend beschriebenen Art vorzusehen, das eine minimale Bauhöhe aufweist, nur wenige Komponenten enthält und sich kostengünstig in einer automatisierten Fertigung herstellen lässt.The object of the invention is to provide a microrelay of the type described in the introduction to provide that has a minimal height, contains only a few components and can be produced inexpensively in automated production.
Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass der um eine Mittelachse schwenkbare Anker als 3-poliger Permanentmagnet oder als 2-poliger Permanentmagnet ausgebildet ist.According to the invention, this object solved that the armature can be swiveled around a central axis as a 3-pole Permanent magnet or is designed as a 2-pole permanent magnet.
Nach einer ersten bevorzugten weiterausbildung ist der Permanentmagnet zwischen zwei in den Mikroflachspulen angeordneten Kernen positioniert.After a first preferred further training the Permanent magnet between two cores arranged in the micro flat coils positioned.
Nach einer zweiten bevorzugten weiterausbildung ist der Permanentmagnet auf flachen Kernen positioniert, die in den Mikroflachspulen angeordnet sind.After a second preferred further training, the Permanent magnet positioned on flat cores in the micro flat coils are arranged.
Weitere vorteilhafte und weiterbildende Ausführungsbeispiele des Erfindungsgegenstandes können den abhängigen Ansprüchen entnommen werden.Further advantageous and further developing exemplary embodiments of the subject matter of the invention can be found in the dependent claims.
Das Flachspul-System weist vorzugsweise zwei einzeln angeordnete Mikroflachspulen auf. The flat coil system preferably has two individually arranged micro flat coils on.
Die Erfindung wird anhand von in der Zeichnung dargestellten Ausführungsbeispielen,
welche auch Gegenstand von abhängigen Patentansprüchen sind, näher
erläutert.
Es zeigen schematisch:
- Fig. 1
- eine Ansicht der einzelnen Teile des Relais in Explosionsdarstellung,
- Fig. 2
- eine Innenansicht der Längsseite der Hauptelemente des Relais bei entferntem Kontaktträgerkörper,
- Fig. 3
- ein Ausführungsbeispiel analog jenem von Fig. 2,
- Fig. 4
- ein Ausführungsbeispiel analog jenem von Fig. 3,
- Fig. 5
- ein Ausführungsbeispiel analog jenem von Fig. 2,
- Fig. 6
- ein Ausführungsbeispiel analog jenem von Fig. 5,
- Fig. 7
- ein Ausführungsbeispiel analog jenem von Fig. 6,
- Fig. 8
- ein Ausführungsbeispiel des Antriebs des Mikrorelais mit einer zentral angeordneten Flachspule, und
- Fig. 9
- die Uebertragung der Kippbewegung des Ankers auf die Umschaltfedern.
They show schematically:
- Fig. 1
- a view of the individual parts of the relay in an exploded view,
- Fig. 2
- an interior view of the long side of the main elements of the relay with the contact carrier body removed,
- Fig. 3
- an embodiment analogous to that of Fig. 2,
- Fig. 4
- an embodiment analogous to that of Fig. 3,
- Fig. 5
- an embodiment analogous to that of Fig. 2,
- Fig. 6
- an embodiment analogous to that of Fig. 5,
- Fig. 7
- an embodiment analogous to that of Fig. 6,
- Fig. 8
- an embodiment of the drive of the microrelay with a centrally arranged flat coil, and
- Fig. 9
- the transfer of the tilting movement of the armature to the changeover springs.
Die vielfältigen Ausführungsformen des Erfindungsgegenstands - wie in Fig. 1 bis Fig. 8 angedeutet - können mit anderen bisher bekannten Verfahren nicht in der gleich einfachen Weise realisiert werden.The various embodiments of the subject matter of the invention - as in FIGS. 1 to Fig. 8 indicated - can not with other previously known methods in the can be realized in the same simple way.
Fig 1. zeigt die einzelnen Baugruppen des Mikrorelais in Explosionsdarstellung,
nämlich ein Flachspul-System 1, einen Kontaktträgerkörper 2 und einen Anker- und
Umschaltfeder-Halter 3.1 shows the individual modules of the microrelay in an exploded view,
namely a
Das Flachspul-System 1 besteht aus einer Flussplatte 11 und zwei darauf
aufgebrachten Mikroflachspulen 12 und 13, die mittels eines geeigneten
Aetzverfahrens aus dem Fachgebiet der Mikrostrukturtechnik in an sich bekannter
Art und Weise erzeugt und über die Anschlussfahnen 26, 26' gespeist werden. Das
als Mikrostruktur ausgeführte Flachspul-System 1 dient als Antrieb für die
Kippbewegung des Ankers 31 zur Betätigung der Umschaltfedern 33 und 34. The
Der Kontaktträgerkörper 2 ist ein rahmenförmiger Kunststoffspritzteil, in welchem
sechs Anschlussfahnen durch Umspritzen gehaltert sind. An jeder der Längsseiten
des Kontaktträgerkörpers 2 sind die Anschlussfahnen 27, 28, 29, beziehungsweise
27', 28', 29' für die Umschaltkontakte vorgesehen.
Im Anker- und Umschaltfeder-Halter 3 ist ein als prismatischer Stab ausgebildeter
Anker 31 angeordnet, der gleichzeitig als Permanentmagnet 32 ausgebildet sein
kann. Die Anschlüsse 35 und 36 sind mit den Stellen 40 und 41 verschweisst. Wie
aus Fig. 9 hervorgeht, betätigt der Anker 31 infolge seiner Kippbewegung die
Umschaltfedern 33 und 34, die ihrerseits in entsprechender Stellung die
Arbeitskontakte 37, 37', respektive die Ruhekontakte 38,38' schliessen.The
An
Fig. 2 zeigt eine Innenansicht der Längsseite des erfindungsgemässen Relais,
wobei die entsprechenden Seitenwände des Kontaktträgerkörpers weggeschnitten
sind. Der durch die erregte Mikroflachspule 12 induzierte Magnetfluss ΦE1 wirkt dem
durch den Permanentmagneten 32' bewirkten Magnetfluss ΦM1 entgegen. Der durch
die erregte Mikroflachspule 13 induzierte Magnetfluss ΦE2 hingegen unterstützt den
durch den Permanentmagneten 32' bewirkten Magnetfluss ΦM2 , wodurch die
Anzugskraft des Teilmagneten auf der Seite des Luftspalts 14 grösser wird als die
Haltekraft des Teilmagneten auf der anderen Seite, so dass der als Anker 31'
ausgebildete Permanentmagnet 32' über seine Kante 18 oder seine bogenförmige
Kontur 18' in die Arbeitsstellung kippt. Die Bewegung wird in bekannter Art und
Weise auf die Umschaltfedern 33, 34 übertragen, wodurch der Schaltvorgang des
Mikrorelais ausgelöst wird. Um den Permanentmagnet wieder in die andere Stellung
zu bringen, müssen die resultierenden Flüsse derart eingestellt werden, dass mit
Hilfe der unterstützenden Federwirkung der Umschaltfedern 33, 34 die
Kippbewegung ausgelöst wird. Dies kann durch Vertauschen der Polarität der
Stromquelle geschehen.2 shows an inside view of the long side of the relay according to the invention, the corresponding side walls of the contact carrier body being cut away. The magnetic flux Φ E1 induced by the
Fig. 3 zeigt ein Ausführungsbeispiel, worin der Permanentmagnet 32 im Anker 31
die Magnetflüsse ΦM1 und ΦM2 mit unterschiedlicher Flussrichtung induziert. Der
durch die Mikroflachspulen 12 und 13 über die Kerne 15 und 16 im
Permanentmagnet 32 induzierte Magnetfluss ΦE unterstützt den Magnetfluss ΦM2
und wirkt dem Magnetfluss ΦM1 entgegen, so dass der Anker 31 in die Arbeitsstellung
kippt. Um den Anker wieder in die andere Stellung zu bringen, muss die
Flussrichtung des Mikrospulenflusses ΦE umgekehrt werden, zum Beispiel in
entsprechender Weise, wie in obigem Abschnitt beschrieben.Fig. 3 shows an embodiment in which the
Die Funktionsweise des Ausführungsbeispiels gemäss Fig. 4 geschieht analog zum
vorherigen Abschnitt, wobei die in den Mitten der Mikroflachspulen 12 und 13
angeordneten Kerne 15' und 16' eine Höhe aufweisen, die nur geringfügig über der
Dicke der Mikrospulen liegt.4 works analogously to
previous section, with those in the middle of the micro
Fig. 5 zeigt ein Ausführungsbeispiel, welches im Unterschied zu Fig. 2 einen Anker
31' aufweist, der als 2-poliger Permanentmagnet 32" ausgeführt ist. Der magnetisch
leitende Zentralkern 17 bewirkt eine Verstärkung des Magnetflusses ΦE1 . Der
Magnetfuss ΦM hat etwa den doppelten Betrag des Magnetflusses ΦE1. Deshalb ist
der Fluss ΦM als Doppellinie dargestellt. ΦE1 subtrahiert sich zu ΦM, ΦE2 addiert sich
zu ΦM , wodurch in entsprechender Weise wie oben erläutert, eine Kippbewegung
des als Permanentmagnet ausgebildeten Ankers 31' ausgelöst wird.FIG. 5 shows an exemplary embodiment which, in contrast to FIG. 2, has an
Fig. 6 zeigt ein Ausführungsbeispiel in Anlehnung an Fig. 5 mit einer magnetisch nicht leitenden Drehauflage 17' anstelle eines magnetisch leitenden Zentralkems. Infolge des sich ergebenden grösseren Widerstands bedingt durch den Luftspalt, resultiert ein kleinerer Magnetfluss ΦE1. Das Verhältnis ΦE1 zu ΦE2 ist kleiner als im Falle des unter Fig. 5 beschriebenen Ausführungsbeispiels, da sich über den Luftspalt bei der Drehauflage ein grösserer Widerstand ergibt. Das Funktionsprinzip bleibt gleich.FIG. 6 shows an exemplary embodiment based on FIG. 5 with a magnetically non-conductive rotary support 17 'instead of a magnetically conductive central core. As a result of the resulting greater resistance due to the air gap, a smaller magnetic flux Φ E1 results. The ratio Φ E1 to Φ E2 is smaller than in the case of the exemplary embodiment described in FIG. 5, since there is greater resistance across the air gap during the rotating rest. The principle of operation remains the same.
In Fig. 7 ist ein Ausführungsbeispiel nach Fig. 6 dargestellt, mit dem Unterschied,
dass sich die Drehachse 18"' in grösserem Abstand von der Flussplatte 11 befindet.
Die Lagerung 19 der Drehachse 18"' kann am Kontaktträgerkörper 2 vorgesehen
werden.
Fig. 8 zeigt ein Ausführungsbeispiel mit einer einzigen, um einen magnetisch
leitenden Zentralkem 17 angeordneten Mikroflachspule 12'. Die Magnetflüsse ΦE1
und ΦM subtrahieren sich, die Magnetflüsse ΦE2 und ΦM addieren sich, wodurch
wiederum eine Kippbewegung des als Permanentmagnet 32" ausgebildeten Ankers
31' in bereits beschriebener Weise ermöglicht wird.7 shows an exemplary embodiment according to FIG. 6, with the difference that the axis of rotation 18 "'is located at a greater distance from the
Das als Mikrostruktur ausgeführte Flachspul-System dient als Antrieb für die
Kippbewegung des Ankers 31. Die Kippbewegung wird durch entsprechendes
Zusammenwirken der Magnetflüsse ΦE1,ΦM1,ΦE2,ΦM2,ΦE, ΦM (Fig. 2-8), wie oben im
Detail erläutert, ausgelöst. Der Anker betätigt infolge seiner Kippbewegung die
Umschaltfedern 33 und 34, die ihrerseits in entsprechender Stellung die
Arbeitskontakte 37, 37', respektive die Ruhekontakte 38, 38', schliessen.The flat coil system designed as a microstructure serves as a drive for the tilting movement of the
Die Vorteile des Erfindungsgegenstandes bestehen darin, dass damit niedrige Bauhöhen erreicht werden können. Wesentlich ist, dass das erfindungsgemäss ausgebildete Flachspul-System eine Miniaturisierung des Relais erlaubt. Durch die Schichtbauweise kann eine Entflechtung der Spule von den Kontakten optimal gestaltet werden. Ausserdem ist die Herstellung der flachen Mikrospulen infolge der Anwendung modemer galvanischer Prozesse in für den Fachmann bekannter Weise besonders kostengünstig. Dabei kann durch eine Reduktion der Leiterisolation ein sehr hoher Nutzungsgrad erzielt werden. Gegenüber herkömmlichen gewickelten Spulen lässt sich eine massive Reduktion der Prozessschritte bei der Herstellung vornehmen. So entfällt beispielsweise auch ein Löten der Spulenenden und auch die damit zusammenhängende Verwendung von Flussmitteln, welche für das Mikroklima des Relais kontaktschädigend sein können. Zudem wird der Eisatz von kostengünstigen Anschlusstechnologien, zB. das Bonden, möglich. Das Isolationsmaterial der herkömmlichen Isolation der Wickeldrähte hat ebenfalls eine negative Auswirkung auf das Mikroklima. Ein weiterer Vorteil der vorliegenden Erfindung ist demzufolge das Wegfallen dieses kontaktschädigenden Isolationsmaterials. Durch die Verwendung einer Flussplatte aus Eisen als Systemträger wird eine ausserordentlich stabile Voraussetzung für die SMD-Tauglichkeit geschaffen. Hinsichtlich der SMD-Lötprozesse ist somit eine hohe Temperaturstabilität gegeben.The advantages of the subject of the invention are that they are low Heights can be achieved. It is essential that the invention trained flat coil system allows miniaturization of the relay. Through the Layered construction can optimally unbundle the coil from the contacts be designed. In addition, the manufacture of flat micro coils is due to the Use of modern galvanic processes in a manner known to those skilled in the art particularly inexpensive. This can be achieved by reducing the conductor insulation very high degree of utilization can be achieved. Compared to conventional wound Coils can be massively reduced in process steps during manufacture make. For example, soldering of the coil ends and also that is not necessary related use of fluxes, which for the microclimate of the relay can damage the contact. In addition, the Eisatz from inexpensive connection technologies, e.g. bonding, possible. The Insulation material of the conventional insulation of the winding wires also has one negative impact on the microclimate. Another advantage of the present The invention is therefore the elimination of this contact damaging Insulation material. By using an iron flow plate as System carrier becomes an extremely stable prerequisite for SMD suitability created. With regard to the SMD soldering processes, this is a high one Given temperature stability.
Claims (9)
- Micro-relay consisting of a magnetic coil system (1), a contact carrier body (2) with contacts arranged therein, a permanent magnet (32) for the magnetic yoke and a rotor (31) which can be tilted about its central axis between two positions, and a switching spring system, where the magnetic coil system (1) is formed as a flat coil system in the form of a microstructure produced on a flux plate (11) and comprises at least one micro-flat coil (12'),
characterised in that
the rotor (31') can be swivelled about a central axis, is formed as a 3-pole permanent magnet (32') or as a 2-pole permanent magnet (32"). - Micro-relay according to claim 1
characterised in that
the permanent magnet (32) is positioned between two cores (15), (16) arranged in the micro-flat coils (12), (13). - Micro-relay according to claim 1
characterised in that
the permanent magnet (32) is positioned on flat cores (15'), (16') arranged in the micro-flat coils (12), (13). - Micro-relay according to any of claims 1 to 3, characterised in that between the two micro-flat coils (12), (13) is arranged a magnetically conductive central core (17) also formed flat.
- Micro-relay according to any of claims 1 to 4, characterised in that between two micro-flat coils (12) and (13) is arranged a magnetically non-conductive rotary support (17') on which is located the rotary axis (18") of the swivellable rotor (31').
- Micro-relay according to any of claims 1 to 5, characterised in that the rotary axis (18''') of rotors (31') lies at a defined distance above the flux plate (11).
- Micro-relay according to any of claims 1 to 6, characterised in that arranged in the micro-flat coil (12') is a magnetically conductive central core (17).
- Micro-relay according to any of claims 1 to 7, characterised in that the rotor (31), (31') has the shape of a prismatic rod and the rotor legs taper in cross-section towards the outside viewed from their geometric centre, the whole such that this prismatic cross-section of the rotor legs creates in their centre an edge (18) as a rotary axis or an arc-shaped contour (18') for the performance of the swivel movement.
- Micro-relay according to any of claims 1 to 8, characterised in that the flat coil system (1) is arranged at least approximately parallel to the neutral central position of the rotor (31, 31').
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH02676/97A CH692829A5 (en) | 1997-11-20 | 1997-11-20 | Microrelay as miniaturized flat coil relay. |
| CH267697 | 1997-11-20 | ||
| PCT/CH1998/000475 WO1999027548A1 (en) | 1997-11-20 | 1998-11-06 | Miniaturised flat spool relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1032941A1 EP1032941A1 (en) | 2000-09-06 |
| EP1032941B1 true EP1032941B1 (en) | 2002-05-08 |
Family
ID=4239086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98951151A Expired - Lifetime EP1032941B1 (en) | 1997-11-20 | 1998-11-06 | Miniaturised flat spool relay |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6492887B1 (en) |
| EP (1) | EP1032941B1 (en) |
| AU (1) | AU9733298A (en) |
| CH (1) | CH692829A5 (en) |
| DE (1) | DE59804089D1 (en) |
| WO (1) | WO1999027548A1 (en) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7027682B2 (en) | 1999-09-23 | 2006-04-11 | Arizona State University | Optical MEMS switching array with embedded beam-confining channels and method of operating same |
| US6469602B2 (en) | 1999-09-23 | 2002-10-22 | Arizona State University | Electronically switching latching micro-magnetic relay and method of operating same |
| US6496612B1 (en) | 1999-09-23 | 2002-12-17 | Arizona State University | Electronically latching micro-magnetic switches and method of operating same |
| EP1352408B1 (en) | 2001-01-18 | 2007-03-21 | Arizona State University | Micro-magnetic latching switch with relaxed permanent magnet alignment requirements |
| WO2002095784A1 (en) | 2001-05-18 | 2002-11-28 | Microlab, Inc. | Microgagnetic latching switch packaging |
| US6633158B1 (en) * | 2001-09-17 | 2003-10-14 | Jun Shen | Micro magnetic proximity sensor apparatus and sensing method |
| US7301334B2 (en) * | 2001-09-17 | 2007-11-27 | Schneider Electric Industries Sas | Micro magnetic proximity sensor system |
| US6836194B2 (en) | 2001-12-21 | 2004-12-28 | Magfusion, Inc. | Components implemented using latching micro-magnetic switches |
| US20030169135A1 (en) | 2001-12-21 | 2003-09-11 | Jun Shen | Latching micro-magnetic switch array |
| US20030179057A1 (en) | 2002-01-08 | 2003-09-25 | Jun Shen | Packaging of a micro-magnetic switch with a patterned permanent magnet |
| US20030137374A1 (en) | 2002-01-18 | 2003-07-24 | Meichun Ruan | Micro-Magnetic Latching switches with a three-dimensional solenoid coil |
| US20030222740A1 (en) | 2002-03-18 | 2003-12-04 | Microlab, Inc. | Latching micro-magnetic switch with improved thermal reliability |
| JP2003331674A (en) * | 2002-05-14 | 2003-11-21 | Konica Minolta Holdings Inc | Switch and image forming device |
| WO2004017349A1 (en) * | 2002-07-31 | 2004-02-26 | Matsushita Electric Works, Ltd. | Micro-relay |
| AU2003272500A1 (en) | 2002-09-18 | 2004-04-08 | Mark Goranson | Method of assembling a laminated electro-mechanical structure |
| US20040121505A1 (en) | 2002-09-30 | 2004-06-24 | Magfusion, Inc. | Method for fabricating a gold contact on a microswitch |
| US7202765B2 (en) | 2003-05-14 | 2007-04-10 | Schneider Electric Industries Sas | Latchable, magnetically actuated, ground plane-isolated radio frequency microswitch |
| US7215229B2 (en) | 2003-09-17 | 2007-05-08 | Schneider Electric Industries Sas | Laminated relays with multiple flexible contacts |
| US20050083157A1 (en) | 2003-10-15 | 2005-04-21 | Magfusion, Inc. | Micro magnetic latching switches and methods of making same |
| US7342473B2 (en) | 2004-04-07 | 2008-03-11 | Schneider Electric Industries Sas | Method and apparatus for reducing cantilever stress in magnetically actuated relays |
| US7482899B2 (en) * | 2005-10-02 | 2009-01-27 | Jun Shen | Electromechanical latching relay and method of operating same |
| US8174343B2 (en) * | 2006-09-24 | 2012-05-08 | Magvention (Suzhou) Ltd. | Electromechanical relay and method of making same |
| US8068002B2 (en) * | 2008-04-22 | 2011-11-29 | Magvention (Suzhou), Ltd. | Coupled electromechanical relay and method of operating same |
| US8143978B2 (en) * | 2009-02-23 | 2012-03-27 | Magvention (Suzhou), Ltd. | Electromechanical relay and method of operating same |
| US8188817B2 (en) * | 2009-03-11 | 2012-05-29 | Magvention (Suzhou) Ltd. | Electromechanical relay and method of making same |
| US8159320B2 (en) | 2009-09-14 | 2012-04-17 | Meichun Ruan | Latching micro-magnetic relay and method of operating same |
| US8378766B2 (en) * | 2011-02-03 | 2013-02-19 | National Semiconductor Corporation | MEMS relay and method of forming the MEMS relay |
| EP2761640B1 (en) * | 2011-09-30 | 2016-08-10 | Telepath Networks, Inc. | Multi integrated switching device structures |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2714736B2 (en) * | 1992-06-01 | 1998-02-16 | シャープ株式会社 | Micro relay |
| JP3465940B2 (en) | 1993-12-20 | 2003-11-10 | 日本信号株式会社 | Planar type electromagnetic relay and method of manufacturing the same |
| US5531018A (en) * | 1993-12-20 | 1996-07-02 | General Electric Company | Method of micromachining electromagnetically actuated current switches with polyimide reinforcement seals, and switches produced thereby |
| FR2742917B1 (en) * | 1995-12-22 | 1998-02-13 | Suisse Electronique Microtech | MINIATURE DEVICE FOR EXECUTING A PREDETERMINED FUNCTION, ESPECIALLY MICRORELAIS |
| US6094116A (en) * | 1996-08-01 | 2000-07-25 | California Institute Of Technology | Micro-electromechanical relays |
-
1997
- 1997-11-20 CH CH02676/97A patent/CH692829A5/en not_active IP Right Cessation
-
1998
- 1998-11-06 US US09/554,175 patent/US6492887B1/en not_active Expired - Fee Related
- 1998-11-06 EP EP98951151A patent/EP1032941B1/en not_active Expired - Lifetime
- 1998-11-06 AU AU97332/98A patent/AU9733298A/en not_active Abandoned
- 1998-11-06 DE DE59804089T patent/DE59804089D1/en not_active Expired - Fee Related
- 1998-11-06 WO PCT/CH1998/000475 patent/WO1999027548A1/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| CH692829A5 (en) | 2002-11-15 |
| AU9733298A (en) | 1999-06-15 |
| EP1032941A1 (en) | 2000-09-06 |
| DE59804089D1 (en) | 2002-06-13 |
| WO1999027548A1 (en) | 1999-06-03 |
| US6492887B1 (en) | 2002-12-10 |
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