EP1577916B1 - Switch unit for a vehicle - Google Patents

Switch unit for a vehicle Download PDF

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Publication number
EP1577916B1
EP1577916B1 EP05101666A EP05101666A EP1577916B1 EP 1577916 B1 EP1577916 B1 EP 1577916B1 EP 05101666 A EP05101666 A EP 05101666A EP 05101666 A EP05101666 A EP 05101666A EP 1577916 B1 EP1577916 B1 EP 1577916B1
Authority
EP
European Patent Office
Prior art keywords
switch unit
base element
individual circuit
circuit boards
contact
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.)
Not-in-force
Application number
EP05101666A
Other languages
German (de)
French (fr)
Other versions
EP1577916A1 (en
Inventor
Manuel Petzold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valeo Schalter und Sensoren GmbH
Original Assignee
Valeo Schalter und Sensoren GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Valeo Schalter und Sensoren GmbH filed Critical Valeo Schalter und Sensoren GmbH
Publication of EP1577916A1 publication Critical patent/EP1577916A1/en
Application granted granted Critical
Publication of EP1577916B1 publication Critical patent/EP1577916B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5805—Connections to printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2207/00—Connections
    • H01H2207/004—Printed circuit tail
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/054—Mounting of key housings on same printed circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2223/00—Casings
    • H01H2223/056—Mounting of key housings on same frame
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/002—Key modules joined to form button rows
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2233/00—Key modules
    • H01H2233/03—Key modules mounted on support plate or frame

Definitions

  • the invention relates to a switch unit, in particular for a motor vehicle, with operable function keys.
  • Such switch units are known in many ways. Depending on the selected switching functions of the function keys, these, or one of the function key controlled mechanics and / or electronics can be designed differently. This makes the known switch units in the construction very expensive.
  • Such a switch unit is e.g. in document EP 0 232 137 A.
  • the present invention is therefore based on the object to propose a switch unit that can perform a large number of different switching functions as possible, the structure of the switch unit should be flexible and easy overall.
  • each function key is assigned a separate individual conductor plate with a corresponding mechanism and / or electronics, wherein a base element is provided, on which the individual conductor plates are arranged, and wherein elementary side conductor tracks are provided, the free Ends are designed as contact springs and single-plate contacts contact resiliently biased contact.
  • a switch unit can be advantageously achieved that depending on the switching task different function keys can be found with different individual conductor plates in the switch unit use.
  • About the contact springs on the base element can be done in a simple manner a functionally reliable contacting of the individual conductor plates.
  • different function keys and / or individual conductor plates with different components can be used.
  • Such a switch unit is very flexible regardless of the switching tasks to be handled.
  • the number and arrangement of the contact springs, which contact a single-conductor plate, is the same for all foreseeable single-conductor plates. This ensures that each individual plate can be installed at different positions in the switch unit. As a result, the switch unit is very flexible.
  • the dimensions of the individual conductor plates are at least substantially the same.
  • the assembly, and thus the switching function of the individual circuit boards may be different.
  • three contact springs are provided on the base element for each individual plate the three contact springs to be contacted printed circuit board actually has three contact points, depends on the coping task to be handled. It is conceivable that only two contacts are provided for the three contact springs; one of the contact springs then contacted no intended contact on the single conductor plate.
  • the conductor tracks are arranged on or in the base element.
  • the conductor tracks can be injected at least in sections into the base element, which is advantageously made of plastic.
  • the conductor tracks can also be fastened on the base element, for example by gluing.
  • the conductor tracks are formed as stamped grid.
  • the stamped grid can be cast either completely or only partially in the basic element.
  • Such a design of the base plate can be produced inexpensively, especially in mass production.
  • a plug contact with different contacts for contacting the individual conductor tracks is provided on the base element.
  • the contacts of the plug contact lead to the contact springs. So that all contact springs are over a common Plug contact to connect, for example, a central control unit.
  • a circuit board for example together with a function key, can be arranged in a positionally accurate and durable manner on the base element with the fastening means.
  • the arrangement can be solvable or insoluble.
  • a detachable arrangement has the advantage that function keys together with individual conductor plates are interchangeable, for example in an extended equipment of the vehicle.
  • support projections for supporting the individual conductor plates are arranged on the base element.
  • fasteners can be provided according to the invention arranged on the base locking lugs, the Retain the individual conductor plates behind the individual conductor plates.
  • a switch housing part is provided for covering the function keys and the individual conductor plates.
  • Such a switch housing part for example, have openings for the operating sections of the function keys, which are thus accessible to the person operating the switch unit.
  • the switch housing part covers the remaining portions of the function keys, the individual conductor plates and the individual conductor plates facing top of the base housing protective.
  • the switch housing part and the base element form an at least substantially closed housing.
  • the side of the base element remote from the individual conductor plates then together with the outside of the switch housing part forms the actual outside of the housing.
  • the housing is therefore at least largely closed because, as already mentioned, openings for actuating the function keys can be provided on the switch housing part.
  • a switch unit 10 according to the invention is shown in exploded view.
  • the switch unit comprises a total of three operable function keys 12, 14, 16. According to the invention is of course conceivable that connect to the three illustrated function keys 12, 14, 16 more function keys.
  • the function keys 12, 14, 16 can be covered by a switch housing part 18.
  • the switch housing part 18 has on its upper side circular cylindrical openings 20 into which extend in the assembled state, the operating portions 22 of the function keys.
  • a separate individual conductor plate 24, 26, 28 is provided for each function key 12, 14, 16.
  • the individual conductor plates 24, 26, 28 have various electronic and / or mechanical components: Each of the individual conductor plates, for example, provides an indicated microswitch 30. The respective microswitch 30 is switched by operating the respective function key 12, 14, 16; the function key 12, 14, 16 associated switching task is thus initiated.
  • the individual conductor plates 24, 26, 28 may be equipped differently.
  • a function control lamp 32 is provided, can be seen from the is whether the respective function key 12, 16 is pressed or not pressed.
  • light elements with light guides can be provided on the function key or on the individual conductor plate.
  • the individual conductor plates 24, 26, 28 have on their side facing away from the function keys 12, 14, 16 underside in the figure not to be seen contacts.
  • the switch unit 10 also has a base element 34 with conductor tracks 36.
  • the tracks 36 provide free ends which are formed as contact springs 38.
  • the contact springs 38 are biased so that they protrude from the base member 34 in the non-contacted state, as shown in the figure.
  • the conductor tracks 36 with the contact springs 38 are formed in the embodiment shown in the figure as a stamped grid, which is at least partially encapsulated by the base member 34.
  • the individual conductor plates 24, 26, 28 together with their respective equipment and together with the associated function key 12, 14, 16 can consequently be arranged on the base housing 34 at one of the three locations provided for the individual conductor plates. All individual conductor plates 24, 26, 28 can therefore be held by the latching lugs 40, 42 or 44. This results in a very flexible placement of the base member 34, each with a single-conductor plate and the associated function key.
  • a plug contact 46 is provided on the base element. All conductor tracks 36 can be contacted via the plug contact 46.
  • the plug housing of the switch unit 10 is formed by the switch housing part 18 and the base element 34, or the outside of the base element 34 facing away from the individual conductor plates 24, 26, 28.
  • the switch housing part 18 may be formed latching, for example, with the base member 34.
  • the illustrated switch unit has the advantage that all individual conductor plates with associated function keys can be positioned freely on the base element 34. It is not necessary for each individual conductor plate to contact the three contact springs 38 assigned to it. Depending on the switching task may be sufficient that only two contact springs 38 contact the corresponding individual conductor plate.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Push-Button Switches (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

The device has control keys, each with printed circuit boards (24, 26, 28). Each board has a base part on which conductors are aligned like a punched lattice, where the free ends of the conductors are designed as contact clips (38). Each base part has two side contacts that make a resilient contact in a pre-stressed manner with two contact clips. The arrangement and number of the clips are the same in all the boards.

Description

Die Erfindung betrifft eine Schaltereinheit, insbesondere für ein Kraftfahrzeug, mit betätigbaren Funktionstasten.The invention relates to a switch unit, in particular for a motor vehicle, with operable function keys.

Derartige Schaltereinheiten sind in vielfältiger Art und Weise bekannt. Je nach gewählten Schaltfunktionen der Funktionstasten können diese, beziehungsweise eine von der Funktionstaste angesteuerte Mechanik und/oder Elektronik, unterschiedlich ausgebildet sein. Dies macht die bekannten Schaltereinheiten im Aufbau sehr aufwändig.Such switch units are known in many ways. Depending on the selected switching functions of the function keys, these, or one of the function key controlled mechanics and / or electronics can be designed differently. This makes the known switch units in the construction very expensive.

Eine derartige Schaltereinheit ist z.B. in Dokument EP 0 232 137 A offenbart.Such a switch unit is e.g. in document EP 0 232 137 A.

Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, eine Schaltereinheit vorzuschlagen, die möglichst eine große Anzahl verschiedener Schaltfunktionen durchführen kann, wobei der Aufbau der Schaltereinheit insgesamt flexibel und einfach sein soll.The present invention is therefore based on the object to propose a switch unit that can perform a large number of different switching functions as possible, the structure of the switch unit should be flexible and easy overall.

Diese Aufgabe wird mit einer Schaltereinheit gelöst, bei der jeder Funktionstaste eine separate Einzelleiterplatte mit einer entsprechenden Mechanik und/oder Elektronik zugeordnet ist, wobei ein Grundelement vorgesehen ist, auf dem die Einzelleiterplatten angeordnet sind, und wobei grundelementseitige Leiterbahnen vorgesehen sind, deren freien Enden als Kontaktfedern ausgebildet sind und einzelleiterplattenseitige Kontakte federnd vorgespannt kontaktieren. Durch eine derartige Schaltereinheit kann vorteilhafterweise erreicht werden, dass je nach Schaltaufgabe unterschiedliche Funktionstasten mit unterschiedlichen Einzelleiterplatten in der Schaltereinheit Verwendung finden können. Über die Kontaktfedern am Grundelement kann auf einfache Art und Weise eine funktionssichere Kontaktierung der Einzelleiterplatten erfolgen. Je nach zu bewältigender Schaltaufgabe können unterschiedliche Funktionstasten und/oder Einzelleiterplatten mit unterschiedlicher Bestückung Verwendung finden. Eine derartige Schaltereinheit ist unabhängig von den zu bewältigenden Schaltaufgaben sehr flexibel einsetzbar.This object is achieved with a switch unit in which each function key is assigned a separate individual conductor plate with a corresponding mechanism and / or electronics, wherein a base element is provided, on which the individual conductor plates are arranged, and wherein elementary side conductor tracks are provided, the free Ends are designed as contact springs and single-plate contacts contact resiliently biased contact. By such a switch unit can be advantageously achieved that depending on the switching task different function keys can be found with different individual conductor plates in the switch unit use. About the contact springs on the base element can be done in a simple manner a functionally reliable contacting of the individual conductor plates. Depending on the switching task to be handled, different function keys and / or individual conductor plates with different components can be used. Such a switch unit is very flexible regardless of the switching tasks to be handled.

Vorteilhafterweise ist die Anzahl und Anordnung der Kontaktfedern, die eine Einzelleiterplatte kontaktieren, für alle vorsehbaren Einzelleiterplatten gleich. Dadurch wird gewährleistet, dass jede Einzelleiterplatte an verschiedenen Positionen in der Schaltereinheit verbaut werden kann. Dadurch ist die Schaltereinheit sehr flexibel einsetzbar.Advantageously, the number and arrangement of the contact springs, which contact a single-conductor plate, is the same for all foreseeable single-conductor plates. This ensures that each individual plate can be installed at different positions in the switch unit. As a result, the switch unit is very flexible.

In diesem Zusammenhang ist ferner vorteilhaft, wenn die Abmessungen der Einzelleiterplatten wenigstens weitgehend gleich sind. Die Bestückung, und damit die Schaltfunktion der einzelnen Leiterplatten, kann allerdings unterschiedlich sein. Beispielsweise ist denkbar, dass für jede Einzelleiterplatte drei Kontaktfedern am Grundelement vorgesehen sind Ob die mit den drei Kontaktfedern zu kontaktierende Leiterplatte tatsächlich auch drei Kontaktstellen aufweist, hängt von der zu bewältigenden Schaltaufgabe ab. Denkbar ist, dass lediglich zwei Kontakte für die drei Kontaktfedern vorgesehen sind; eine der Kontaktfedern kontaktiert dann keinen vorgesehenen Kontakt an der Einzelleiterplatte.In this context, it is also advantageous if the dimensions of the individual conductor plates are at least substantially the same. The assembly, and thus the switching function of the individual circuit boards, however, may be different. For example, it is conceivable that three contact springs are provided on the base element for each individual plate the three contact springs to be contacted printed circuit board actually has three contact points, depends on the coping task to be handled. It is conceivable that only two contacts are provided for the three contact springs; one of the contact springs then contacted no intended contact on the single conductor plate.

Eine vorteilhafte Ausführungsform der Erfindung ergibt sich dann, wenn die Leiterbahnen auf dem oder in dem Grundelement angeordnet sind. Die Leiterbahnen können beispielsweise wenigstens abschnittsweise in das Grundelement, das vorteilhafterweise aus Kunststoff ist, eingespritzt sein. Die Leiterbahnen können aber auch auf dem Grundelement befestigt sein, beispielsweise durch Verkleben.An advantageous embodiment of the invention results when the conductor tracks are arranged on or in the base element. For example, the conductor tracks can be injected at least in sections into the base element, which is advantageously made of plastic. However, the conductor tracks can also be fastened on the base element, for example by gluing.

Insbesondere kann vorteilhafterweise vorgesehen sein, dass die Leiterbahnen als Stanzgitter ausgebildet sind. Die Stanzgitter können dabei entweder ganz oder nur abschnittsweise in das Grundelement eingegossen sein. Eine derartige Ausgestaltung der Grundplatte lässt sich insbesondere in der Serienfertigung kostengünstig herstellen.In particular, it may be advantageously provided that the conductor tracks are formed as stamped grid. The stamped grid can be cast either completely or only partially in the basic element. Such a design of the base plate can be produced inexpensively, especially in mass production.

Gemäß einer Weiterbildung der Erfindung ist denkbar, dass am Grundelement ein Steckerkontakt mit verschiedenen Kontakten zur Kontaktierung der einzelnen Leiterbahnen vorgesehen ist. Die Kontakte des Steckerkontakts führen zu den Kontaktfedern. Damit sind alle Kontaktfedern über einen gemeinsamen Steckerkontakt an beispielsweise eine zentrale Steuereinheit anschließbar.According to one embodiment of the invention, it is conceivable that a plug contact with different contacts for contacting the individual conductor tracks is provided on the base element. The contacts of the plug contact lead to the contact springs. So that all contact springs are over a common Plug contact to connect, for example, a central control unit.

Erfindungsgemäß kann ferner vorteilhaft sein, wenn Befestigungsmittel zur Befestigung der Einzelleiterplatten und/oder der Funktionstasten an dem Grundelement vorgesehen sind. Mit den Befestigungsmitteln kann folglich eine Leiterplatte, beispielsweise samt Funktionstaste, an dem Grundelement positionsgenau und dauerhaft angeordnet werden. Die Anordnung kann dabei lösbar oder unlösbar sein. Eine lösbare Anordnung hat den Vorteil, dass Funktionstasten samt Einzelleiterplatten austauschbar sind, beispielsweise bei einer erweiterten Ausstattung des Fahrzeuges.According to the invention, it may also be advantageous if fastening means for fastening the individual conductor plates and / or the function keys to the base element are provided. Consequently, a circuit board, for example together with a function key, can be arranged in a positionally accurate and durable manner on the base element with the fastening means. The arrangement can be solvable or insoluble. A detachable arrangement has the advantage that function keys together with individual conductor plates are interchangeable, for example in an extended equipment of the vehicle.

Um einen definierten Abstand von der Leiterplatte zum Grundelement, beziehungsweise zu der Ebene des Grundelements, in der die Kontaktfedern aus dem Grundelement heraustreten, zu gewährleisten, kann erfindungsgemäß vorgesehen sein, dass am Grundelement Auflagevorsprünge zur Auflage der Einzelleiterplatten angeordnet sind. Durch den definierten Abstand der Einzelleiterplatten zu der Oberfläche des Grundelements kann ein optimaler Anpressdruck der Kontaktfedern an die einzelleiterplattenseitigen Kontakte erreicht werden.In order to ensure a defined distance from the printed circuit board to the base element or to the plane of the base element in which the contact springs emerge from the base element, it can be provided according to the invention that support projections for supporting the individual conductor plates are arranged on the base element. By the defined distance of the individual conductor plates to the surface of the base element, an optimal contact pressure of the contact springs can be achieved at the individual plate-side contacts.

Als Befestigungselemente können erfindungsgemäß am Grundelement angeordnete Rastnasen vorgesehen sein, die zur Halterung der Einzelleiterplatten die Einzelleiterplatten hinterrasten.As fasteners can be provided according to the invention arranged on the base locking lugs, the Retain the individual conductor plates behind the individual conductor plates.

Erfindungsgemäß ist ferner denkbar, dass ein Schaltergehäuseteil zur Abdeckung der Funktionstasten und der Einzelleiterplatten vorgesehen ist. Ein derartiges Schaltergehäuseteil kann beispielsweise Durchbrüche für die Betätigungsabschnitte der Funktionstasten aufweisen, die damit für die die Schaltereinheit betätigende Person zugänglich sind. Das Schaltergehäuseteil deckt die restlichen Abschnitte der Funktionstasten, die Einzelleiterplatten und die der Einzelleiterplatten zugewandte Oberseite des Grundgehäuses schützend ab.According to the invention it is further conceivable that a switch housing part is provided for covering the function keys and the individual conductor plates. Such a switch housing part, for example, have openings for the operating sections of the function keys, which are thus accessible to the person operating the switch unit. The switch housing part covers the remaining portions of the function keys, the individual conductor plates and the individual conductor plates facing top of the base housing protective.

Besonders vorteilhaft ist, wenn das Schaltergehäuseteil und das Grundelement ein wenigstens weitgehend geschlossenes Gehäuse bilden. Die der Einzelleiterplatten abgewandte Außenseite des Grundelements bildet dann zusammen mit der Außenseite des Schaltergehäuseteils die eigentliche Außenseite des Gehäuses. Das Gehäuse ist deshalb wenigstens weitgehend geschlossen, weil, wie bereits erwähnt, am Schaltergehäuseteil Durchbrüche zum Betätigen der Funktionstasten vorgesehen sein können.It is particularly advantageous if the switch housing part and the base element form an at least substantially closed housing. The side of the base element remote from the individual conductor plates then together with the outside of the switch housing part forms the actual outside of the housing. The housing is therefore at least largely closed because, as already mentioned, openings for actuating the function keys can be provided on the switch housing part.

Weitere Einzelheiten und vorteilhafte Ausgestaltungen der Erfindung sind der nachfolgenden Beschreibung zu entnehmen, in der die Erfindung anhand des in der Zeichnung dargestellten Ausführungsbeispiels näher beschrieben und erläutert ist.Further details and advantageous embodiments of the invention will become apparent from the following description in which the invention with reference to the embodiment shown in the drawing is described and explained in more detail.

In der einzigen Figur ist eine erfindungsgemäße Schaltereinheit 10 in Explosionsdarstellung gezeigt. Die Schaltereinheit umfasst insgesamt drei betätigbare Funktionstasten 12, 14, 16. Erfindungsgemäß ist selbstverständlich denkbar, dass sich an die drei dargestellten Funktionstasten 12, 14, 16 weitere Funktionstasten anschließen. Die Funktionstasten 12, 14, 16 sind von einem Schaltergehäuseteil 18 abdeckbar. Das Schaltergehäuseteil 18 weist an seiner Oberseite kreiszylindrische Durchbrüche 20 auf, in die sich im montierten Zustand die Betätigungsabschnitte 22 der Funktionstasten erstrecken.In the single figure, a switch unit 10 according to the invention is shown in exploded view. The switch unit comprises a total of three operable function keys 12, 14, 16. According to the invention is of course conceivable that connect to the three illustrated function keys 12, 14, 16 more function keys. The function keys 12, 14, 16 can be covered by a switch housing part 18. The switch housing part 18 has on its upper side circular cylindrical openings 20 into which extend in the assembled state, the operating portions 22 of the function keys.

Auf der dem Schaltergehäuseteil 18 abgewandten Seite sind für jede Funktionstaste 12, 14, 16 jeweils eine eigene Einzelleiterplatte 24, 26, 28 vorgesehen. Die Einzelleiterplatten 24, 26, 28 weisen verschiedene elektronische und/oder mechanische Bauteile auf: Jede der Einzelleiterplatten sieht beispielsweise einen angedeuteten Mikroschalter 30 vor. Der jeweilige Mikroschalter 30 wird durch Betätigen der jeweiligen Funktionstaste 12, 14, 16 geschalten; die der Funktionstaste 12, 14, 16 zugeordnete Schaltaufgabe wird damit eingeleitet. Je nach der jeweiligen Funktionstaste zugeordneten Schaltfunktion können die Einzelleiterplatten 24, 26, 28 unterschiedlich bestückt sein. Bei den Funktionstasten 1 und 3 ist beispielsweise eine Funktionskontrollleuchte 32 vorgesehen, aus der ersichtlich wird, ob die jeweilige Funktionstaste 12, 16 gedrückt oder nicht gedrückt ist. Für die Funktionskontrollleuchte 32 können an der Funktionstaste beziehungsweise an der Einzelleiterplatte Leuchtelemente mit Lichtleiter vorgesehen sein.On the side facing away from the switch housing part 18, a separate individual conductor plate 24, 26, 28 is provided for each function key 12, 14, 16. The individual conductor plates 24, 26, 28 have various electronic and / or mechanical components: Each of the individual conductor plates, for example, provides an indicated microswitch 30. The respective microswitch 30 is switched by operating the respective function key 12, 14, 16; the function key 12, 14, 16 associated switching task is thus initiated. Depending on the respective function key associated switching function, the individual conductor plates 24, 26, 28 may be equipped differently. In the function keys 1 and 3, for example, a function control lamp 32 is provided, can be seen from the is whether the respective function key 12, 16 is pressed or not pressed. For the function control lamp 32, light elements with light guides can be provided on the function key or on the individual conductor plate.

Die Einzelleiterplatten 24, 26, 28 weisen auf ihrer den Funktionstasten 12, 14, 16 abgewandten Unterseite in der Figur nicht zu sehende Kontakte auf.The individual conductor plates 24, 26, 28 have on their side facing away from the function keys 12, 14, 16 underside in the figure not to be seen contacts.

Die Schaltereinheit 10 weist außerdem ein Grundelement 34 mit Leiterbahnen 36 auf. Die Leiterbahnen 36 sehen freie Enden vor, die als Kontaktfedern 38 ausgebildet sind. Die Kontaktfedern 38 sind derart vorgespannt, dass sie im nicht kontaktierten Zustand, wie er in der Figur gezeigt ist, von dem Grundelement 34 abragen. Die Leiterbahnen 36 mit den Kontaktfedern 38 sind bei der in der Figur dargestellten Ausführungsform als Stanzgitter ausgebildet, das von dem Grundelement 34 wenigstens abschnittsweise umgossen ist.The switch unit 10 also has a base element 34 with conductor tracks 36. The tracks 36 provide free ends which are formed as contact springs 38. The contact springs 38 are biased so that they protrude from the base member 34 in the non-contacted state, as shown in the figure. The conductor tracks 36 with the contact springs 38 are formed in the embodiment shown in the figure as a stamped grid, which is at least partially encapsulated by the base member 34.

Am Grundelement 34 sind Befestigungsmittel zur Befestigung der Einzelleiterplatten 24, 26, 28 in Form von Rastnasen, 40, 42, 44 vorgesehen. Jeweils ein Rastnasenpaar 40, 42, 44 dient zur positionsgenauen Befestigung einer Einzelleiterplatte 24, 26, 28 am Grundelement 34. Im verrasteten Zustand beaufschlagen die Kontaktfedern 38 die einzelleiterplattenseitigen, in der Figur nicht dargestellten Kontakte. Die Anordnung und Anzahl der Kontaktfedern 38, die jeweils zur Kontaktierung einer Leiterplatte 24, 26, 28 vorgesehen sind, sind für alle drei Einzelleiterplatten 24, 26, 28 gleich ausgebildet. Die Abmessungen der einzelnen Einzelleiterplatten 24, 26, 28 sind außerdem weitgehend identisch. Die Einzelleiterplatten 24, 26, 28 samt ihrer jeweiligen Bestückung und samt der zugehörigen Funktionstaste 12, 14, 16 können folglich an einem der drei für die Einzelleiterplatten vorgesehenen Orte am Grundgehäuse 34 angeordnet werden. Sämtliche Einzelleiterplatten 24, 26, 28 können also von den Rastnasen 40, 42 oder 44 gehalten werden. Hieraus ergibt sich eine sehr flexible Bestückbarkeit des Grundelements 34 mit jeweils einer Einzelleiterplatte und der zugehörigen Funktionstaste.On the base member 34 fastening means for fixing the individual conductor plates 24, 26, 28 in the form of locking lugs, 40, 42, 44 are provided. In each case, a detent pair 40, 42, 44 serves for the positionally accurate attachment of a single-conductor plate 24, 26, 28 on the base member 34. In the locked state, the contact springs 38 act on the einelleiterplattenseitigen, not shown in the figure contacts. The arrangement and number of contact springs 38, each for contacting a Printed circuit board 24, 26, 28 are provided, are identical for all three individual conductor plates 24, 26, 28. The dimensions of the individual individual plates 24, 26, 28 are also largely identical. The individual conductor plates 24, 26, 28 together with their respective equipment and together with the associated function key 12, 14, 16 can consequently be arranged on the base housing 34 at one of the three locations provided for the individual conductor plates. All individual conductor plates 24, 26, 28 can therefore be held by the latching lugs 40, 42 or 44. This results in a very flexible placement of the base member 34, each with a single-conductor plate and the associated function key.

Zur Kontaktierung der Leiterbahn 36 beziehungsweise der Kontaktfedern 38 ist am Grundelement ein Steckerkontakt 46 vorgesehen. Sämtliche Leiterbahnen 36 können über den Steckerkontakt 46 kontaktiert werden.For contacting the conductor track 36 or the contact springs 38, a plug contact 46 is provided on the base element. All conductor tracks 36 can be contacted via the plug contact 46.

Das Steckergehäuse der Schaltereinheit 10 wird von dem Schaltergehäuseteil 18 und dem Grundelement 34, beziehungsweise der den Einzelleiterplatten 24, 26, 28 abgewandten Außenseite des Grundelements 34 gebildet. Das Schaltergehäuseteil 18 kann beispielsweise mit dem Grundelement 34 verrastend ausgebildet sein.The plug housing of the switch unit 10 is formed by the switch housing part 18 and the base element 34, or the outside of the base element 34 facing away from the individual conductor plates 24, 26, 28. The switch housing part 18 may be formed latching, for example, with the base member 34.

Anstelle von Rastnasen 40, 42, 44 können andere Befestigungsmittel, wie beispielsweise Schrauben oder Klipse, erfindungsgemäß Verwendung finden.Instead of locking lugs 40, 42, 44 other fasteners, such as screws or clips, find use according to the invention.

Erfindungsgemäß kann außerdem vorgesehen sein, dass auf der Seite des Grundelements 34, die den Einzelleiterplatten 24, 26, 28 zugewandt ist, Anlagevorsprünge vorgesehen sind, an denen die jeweilige Einzelleiterplatte 24, 26, 28 sicher aufliegt. Durch solche, in der Figur nicht dargestellte Anlagevorsprünge, kann insbesondere gewährleistet werden, dass die Kontaktfedern 38 unter einer definierten Vorspannung sicher an den einzelplattenleiterseitigen Kontakten zum Anliegen kommen.According to the invention can also be provided that on the side of the base member 34 which faces the individual conductor plates 24, 26, 28, investment projections are provided, on which the respective individual conductor plate 24, 26, 28 rests securely. By such, not shown in the figure investment projections, it can be ensured in particular that the contact springs 38 come to rest under a defined bias safely on the individual board conductor side contacts.

Die dargestellte Schaltereinheit hat den Vorteil, dass sämtliche Einzelleiterplatten mit zugehörigen Funktionstasten frei am Grundelement 34 positioniert werden können. Dabei muss nicht unbedingt jede Einzelleiterplatte die ihr zugeordneten drei Kontaktfedern 38 kontaktieren. Je nach Schaltaufgabe kann ausreichend sein, dass lediglich zwei Kontaktfedern 38 die entsprechende Einzelleiterplatte kontaktieren.The illustrated switch unit has the advantage that all individual conductor plates with associated function keys can be positioned freely on the base element 34. It is not necessary for each individual conductor plate to contact the three contact springs 38 assigned to it. Depending on the switching task may be sufficient that only two contact springs 38 contact the corresponding individual conductor plate.

Claims (11)

  1. Switch unit (10), in particular for a motor vehicle, with function keys (12, 14, 16) that can be actuated, wherein assigned to each function key (12, 14, 16) is a separate individual circuit board (24, 26, 28), with a base element (34) on which the individual circuit boards (24, 26, 28) are arranged, characterised in that the switch unit (10) is designed with strip conductors (36) on the base element, whose free ends are at least partly designed as contact springs (3 8) and contact the contacts on the individual circuit boards in a sprung, pre-stressed manner.
  2. Switch unit (10) according to claim 1, characterised in that the number and arrangement of contact springs (38) that contact an individual circuit board (24, 26, 28) is the same for all foreseeable individual circuit boards (24, 26, 28).
  3. Switch unit (10) according to claim 1 or 2, characterised in that the dimensions of the individual circuit boards (24, 26, 28) are at least largely the same and that the population of the individual circuit boards (24, 26, 28) can vary.
  4. Switch unit (10) according to claim 1, 2 or 3, characterised in that the strip conductors (36) are arranged on and/or in the base element (34).
  5. Switch unit (10) according to one of the preceding claims, characterised in that the strip conductors (36) are designed as punched grids.
  6. Switch unit (10) according to one of the preceding claims, characterised in that a plug contact (46) for contacting the individual strip conductors is provided on the base element (34).
  7. Switch unit (10) according to one of the preceding claims, characterised in that fastening elements (40, 42, 44) are provided on the base element (34), for fastening the individual circuit boards (22, 24, 26) and/or function keys (12, 14, 16).
  8. Switch unit (10) according to one of the preceding claims, characterised in that supporting projections to support the individual circuit boards are arranged on the base element (34).
  9. Switch unit (10) according to claim 7 or 8, characterised in that the fastening elements are designed as snap-in lugs (40, 42, 44) arranged on the base element, which engage behind the individual circuit boards (22, 24, 26) in order to hold the individual circuit boards.
  10. Switch unit (10) according to one of the preceding claims, characterised in that a switch housing part (18) is provided, in order to at least partly cover the function keys (12, 14, 16) and the individual circuit boards (24, 26, 28).
  11. Switch unit (10) according to claim 10, characterised in that the switch housing part (18) and the base element (34) form a housing that is at least largely closed.
EP05101666A 2004-03-18 2005-03-03 Switch unit for a vehicle Not-in-force EP1577916B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004014385 2004-03-18
DE102004014385A DE102004014385A1 (en) 2004-03-18 2004-03-18 Switch unit for a motor vehicle

Publications (2)

Publication Number Publication Date
EP1577916A1 EP1577916A1 (en) 2005-09-21
EP1577916B1 true EP1577916B1 (en) 2007-05-30

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ID=34833238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05101666A Not-in-force EP1577916B1 (en) 2004-03-18 2005-03-03 Switch unit for a vehicle

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EP (1) EP1577916B1 (en)
AT (1) ATE363722T1 (en)
DE (2) DE102004014385A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007009006B4 (en) * 2007-02-23 2024-09-26 Kostal Automobil Elektrik Gmbh & Co. Kg Push button switch for a motor vehicle
CN106409583B (en) * 2016-09-23 2018-02-06 京东方科技集团股份有限公司 A kind of button, button module and press key equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8602288D0 (en) * 1986-01-30 1986-03-05 Dowty Electronic Interconnect Relegendable pushbutton switches
DE29515351U1 (en) * 1995-09-26 1995-11-23 Jürgen Kramer KG, 45279 Essen Membrane keyboard
DK0917167T3 (en) * 1997-07-23 2000-11-06 Molex Inc Electrical switch and circuit structure
DE29905710U1 (en) * 1999-03-22 1999-08-12 Petri Ag, 63743 Aschaffenburg Electrical switches for motor vehicles
DE10131218C1 (en) * 2001-06-28 2002-12-05 Itt Mfg Enterprises Inc Back-lit push-button switch has actuator as single part with hollow space for LED and device for movably holding actuator on housing part or cover panel
DE20205380U1 (en) * 2002-04-06 2003-08-07 GIRA Giersiepen GmbH & Co. KG, 42477 Radevormwald Door communication system has call input panel switch sealed by diaphragm against moisture

Also Published As

Publication number Publication date
DE102004014385A1 (en) 2005-10-06
EP1577916A1 (en) 2005-09-21
ATE363722T1 (en) 2007-06-15
DE502005000760D1 (en) 2007-07-12

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