EP1537632B1 - Method and device for producing an electrical connection of sub-assemblies and modules - Google Patents

Method and device for producing an electrical connection of sub-assemblies and modules Download PDF

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Publication number
EP1537632B1
EP1537632B1 EP03747985A EP03747985A EP1537632B1 EP 1537632 B1 EP1537632 B1 EP 1537632B1 EP 03747985 A EP03747985 A EP 03747985A EP 03747985 A EP03747985 A EP 03747985A EP 1537632 B1 EP1537632 B1 EP 1537632B1
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EP
European Patent Office
Prior art keywords
current
unit
contact elements
magnetic bodies
receiver unit
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Expired - Lifetime
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EP03747985A
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German (de)
French (fr)
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EP1537632A1 (en
Inventor
Hermann Neidlein
Siegfried Schmidt
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Magcode AG
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Magcode AG
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/6205—Two-part coupling devices held in engagement by a magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection

Definitions

  • the invention relates to a method for producing an electrical connection of modules and modules with a current transmitter unit, which is provided with electrical contact elements and with magnetic bodies, and with a Strom monilia, which is provided with electrical mating contact elements and with magnetic bodies, which gegenpolig the magnetic bodies in the power transmitter unit be arranged opposite.
  • the invention also relates to a device for carrying out the method.
  • magnetic bodies may be magnets, magnetizable parts or magnetic parts which react magnetically under the influence of a magnet. It is essential that the magnetic bodies of the current transmitter unit and the Stromtechnikerü cooperate such that a magnetic force force results on both parts by a magnetic field.
  • WO 01/03249 A1 likewise describes an electromechanical connecting device, wherein a plurality of magnetic elements and contact elements are arranged in one unit.
  • a preferred application for the multiple contacts is the small or low voltage range up to 24 volts to make control voltage, switching pulses or data transmissions.
  • at least one elastic wall is provided, in which the contact elements are arranged.
  • a mechanical connecting device is described in EP 1 194 983, wherein an electrical connection between a current generator unit and a current-carrying unit is produced via coded magnetic elements.
  • the electrical connecting devices described so far are used for fast and frequent connection of consumers to a power source.
  • connectors are previously used. Contacting takes place via sockets and pins.
  • the jacks are provided for better connection with the pins, which are usually rotary or stamped parts, with one or more springs per contact. The contact force and thus the electrical connection is generated by the spring force. The higher the spring force, the better the transmission quality and the higher the currents to be transmitted.
  • Another disadvantage is that it can cause fatigue in the course of operation, whereby the spring force is lower.
  • the present invention is therefore an object of the invention to provide a method and an apparatus for producing an electrical connection of modules and modules, by which the disadvantages described above are avoided, in particular by which a secure connection is created and that without the Reliability of a fitter is dependent.
  • a connection device for establishing an electrical connection is shown in claim 3.
  • a mechanical connection between the current generator unit and the Stromtechnikerawa is created, which can be performed without much effort and which can be made clearly and safely by a corresponding design of the connecting members.
  • an automatic electrical contact which can no longer be influenced by a fitter, is then produced with precise orientation of the contacts relative to one another and with high contact forces.
  • the magnetic bodies may also be coded if necessary, as shown e.g. is described in EP 1 194 983. In this way, erroneous assignments of contact elements and mating contact elements are avoided. The same applies to a faulty trip in the presence of a magnetic switch. In addition, there is an even better positioning of the contacts to each other.
  • a variety of mechanical connection devices are possible.
  • the Stromtechnikeratti be pushed by a corresponding guide from the side to the power supply unit.
  • Vertical placement is also possible.
  • a bayonet-type connection may be provided. Also a catch in the end position, which may also be displayed acoustically, is possible.
  • a current generator unit 1 shown in FIG. 1 with contact elements 2 designed as area contacts and a current pickup unit 3 with contact elements 4 likewise designed as flat contacts are described in detail in their construction and in their mode of operation in WO 01/03249 A1, which is why they are not discussed in detail below becomes. Therefore, WO 01/03249 A1 also forms the disclosure content of the present application.
  • the contact elements 2 of the current generator unit 1 are at the same time designed as switching magnets or magnetic switching parts and the contact elements 4 of the current receiving unit 2 at the same time form release magnets or magnetic release parts.
  • the contact elements 2 of the current generator unit 1 are each individually connected via line connections 5 with a current, voltage or pulse source, not shown.
  • the contact elements 2 and 4 are flat on their mutually facing end faces 7 and at least approximately flush with the respective surface of the associated unit 1 or 3.
  • the contact elements 2 and 4 are each cast in an elastic wall 8.
  • the aufticiande Stromtechnikerritt 3 is provided with frustoconical depressions 10 in the housing of the Stromtechnikerritt 3.
  • the cone angle of the extension 9 and the recess 10 are adapted to each other.
  • an oversized clearance between the two guide members is provided because of the frustoconical Extensions 9 and the wells 10 only a rough guide is provided.
  • the game is indicated by "X" in the cone angle.
  • a distance clearance between the head side of the extension 9 and the bottom of the recess 10 is provided so that after placing the Strom Anlageneratti 3 on the current generator unit 1 and an introduction of the extensions 9 in the recesses 10 in the last insertion step, the contact elements 2 and 4 due to their magnetic effect the last exact positioning and centering can make.
  • FIG. 2 schematically shows a connection of the current-carrying unit 3 to the tundish unit 1 by a lateral sliding-on.
  • dovetail guides 11a and 11b are provided in the current generator unit 1 and the current receiving unit 3 for the lateral guidance and thus for a lateral sliding in the direction of the arrow.
  • an oversized clearance is also provided between the two guides in order to be able to compensate for manufacturing and assembly tolerances.
  • the game should be at least 1 mm, preferably 2 mm or more.
  • the contact elements 2 and 4 are identical to the magnets. If space permits, magnets can also be provided independently of the contact elements 2 and 4 in the Stromtechnikertechnik 3 and the current generator unit 1.
  • an embodiment is additionally indicated in dashed lines, wherein a magnetic carriage 12 is provided, which is provided with power supply contacts 16.
  • a magnetic carriage 12 which is provided with power supply contacts 16.
  • separate magnets 13 and contact members 13a are arranged on the magnet carriage 12, the contacts 13a being attracted to the current transmitter unit 1 together with the magnet carriage 12 by magnets 14 in the current pickup unit 3 when the current transformer unit 3 is placed, and contact elements 2 from the rear side contact her.
  • a power connection is created.
  • EP 0 573 471 which likewise forms the disclosure content for the present application.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

The method involves forming a mechanical connection via a coarse guide (9,10), and then forming an electrical contact between a contact element (2) and the corresponding contact elements (4) automatically via the magnetic bodies of a current providing unit (1) and a current receiving unit (3). An Independent claim is included for a connecting apparatus.

Description

Die Erfindung betrifft ein Verfahren zur Herstellung einer elektrischen Verbindung von Baugruppen und Modulen mit einer Stromgebereinheit, die mit elektrischen Kontaktelementen und mit Magnetkörpern versehen ist, und mit einer Stromnehmereinheit, die mit elektrischen Gegenkontaktelementen und mit Magnetkörpern versehen ist, welche gegenpolig den Magnetkörpern in der Stromgebereinheit gegenüberliegend angeordnet werden.The invention relates to a method for producing an electrical connection of modules and modules with a current transmitter unit, which is provided with electrical contact elements and with magnetic bodies, and with a Stromnehmereinheit, which is provided with electrical mating contact elements and with magnetic bodies, which gegenpolig the magnetic bodies in the power transmitter unit be arranged opposite.

Die Erfindung betrifft auch eine Vorrichtung zur Durchführung des Verfahrens.The invention also relates to a device for carrying out the method.

In der PCT/EP 01/14503 ist eine elektromechanische Verbindungsvorrichtung beschrieben, wobei durch Magnetkräfte eine elektrische Verbindung zwischen einer Stromgebereinheit und einer Stromnehmereinheit hergestellt wird. Die Stromverbindung wird dabei durch einen beweglichen Magnetschlitten mit Kontaktstellen, die mit Stromzuführanschlüssen verbunden sind, geschaffen. Über eine Rückhalteeinrichtung in Form eines Dauermagneten wird der Magnetschlitten im Ruhezustand, d.h. wenn keine Stromnehmereinheit mit Magnetkörpern auf die Stromgebereinheit aufgesetzt ist, in einem Abstand zu Kontaktelemeten gehalten, die sich auf der Oberseite bzw. der der Stromnehmereinheit zugewandten Seite der Stromgebereinheit befinden. Bei Annäherung der Stromnehmereinheit an die Stromgebereinheit erfolgt durch die Schließung des Magnetkreises zwischen den Magnetkörpern der Stromgebereinheit und der Stromnehmereinheit eine Kontaktverbindung.An electromechanical connection device is described in PCT / EP 01/14503, wherein an electrical connection between a power supply unit and a power supply unit is produced by magnetic forces. The power connection is created by a movable magnetic carriage with contact points, which are connected to Stromzuführanschlüssen. About a retainer in the form of a permanent magnet, the magnet carriage is held at rest, ie when no Stromnehmerereinheit is placed with magnetic bodies on the current generator unit at a distance to Kontaktelemeten located on the top or the Stromnehmereinheit side facing the current generator unit. When approaching the Stromnehmereinheit to the current generator unit is done by the closure of the magnetic circuit between the magnetic bodies of the current transmitter unit and the Stromnehmereinheit a contact connection.

Zur Vereinfachung wird nachfolgend allgemein von Magnetkörpern gesprochen. Dabei kann es sich um Magnete, magnetisierbare Teile oder magnetische Teile handeln, welche unter dem Einfluss eines Magneten magnetisch reagieren. Wesentlich ist, dass die Magnetkörper der Stromgebereinheit und der Stromnehmereinheit derart zusammenwirken, dass sich eine Magnethaftkraft auf beide Teile durch eine magnetisches Feld ergibt.For simplification, the following is generally spoken of magnetic bodies. These may be magnets, magnetizable parts or magnetic parts which react magnetically under the influence of a magnet. It is essential that the magnetic bodies of the current transmitter unit and the Stromnehmerereinheit cooperate such that a magnetic force force results on both parts by a magnetic field.

In der WO 01/03249 A1 ist ebenfalls eine elektromechanische Verbindungsvorrichtung beschrieben, wobei mehrere Magnetelemente und Kontaktelemente in einer Einheit angeordnet sind. Ein bevorzugtes Einsatzgebiet für die Mehrfachkontakte ist der Klein- oder Niederspannungsbereich bis 24 Volt, um Steuerspannung, Schaltimpulse oder Datenübertragungen vorzunehmen. Dabei ist zur Verstärkung der Kontaktverbindung, welche in Form von Flachkontakten erfolgt, wenigstens eine elastische Wand vorgesehen, in der die Kontaktelemente angeordnet sind. Auch hier erfolgt der elektrische Kontakt zwischen einer Stromgebereinheit und einer Stromnehmereinheit für die gesondert angeordneten Kontaktelemente über die Magnetelemente.WO 01/03249 A1 likewise describes an electromechanical connecting device, wherein a plurality of magnetic elements and contact elements are arranged in one unit. A preferred application for the multiple contacts is the small or low voltage range up to 24 volts to make control voltage, switching pulses or data transmissions. In this case, to reinforce the contact connection, which takes place in the form of flat contacts, at least one elastic wall is provided, in which the contact elements are arranged. Again, the electrical contact between a power transmitter unit and a Stromnehmerseinheit for the separately arranged contact elements via the magnetic elements.

In der EP 1 194 983 ist eine mechanische Verbindungsvorrichtung beschrieben, wobei über codierte Magnetelemente eine elektrische Verbindung zwischen einer Stromgebereinheit und einer Stromnehmereinheit hergestellt wird.A mechanical connecting device is described in EP 1 194 983, wherein an electrical connection between a current generator unit and a current-carrying unit is produced via coded magnetic elements.

Die bisher beschriebenen elektrischen Verbindungsvorrichtungen dienen zur schnellen und häufigen Verbindung von Verbrauchern mit einer Stromquelle.The electrical connecting devices described so far are used for fast and frequent connection of consumers to a power source.

Zur Herstellung von elektrischen Verbindungen von Modulen, die für längere Zeit vorgesehen sind, z.B. im Kraftfahrzeugbau, werden bisher Steckverbinder verwendet. Eine Kontaktierung erfolgt dabei über Buchsen und Stifte. Dabei sind die Buchsen zur besseren Verbindung mit den Stiften, die zumeist Dreh- oder Stanzteile sind, mit einer oder mehreren Federn pro Kontakt versehen. Die Kontaktkraft und damit die elektrische Verbindung wird über die Federkraft erzeugt. Je höher die Federkraft ist, desto besser ist die Übertragungsqualität und desto höher können die zu übertragenden Ströme sein.For making electrical connections of modules intended for a long time, e.g. in the automotive industry, connectors are previously used. Contacting takes place via sockets and pins. The jacks are provided for better connection with the pins, which are usually rotary or stamped parts, with one or more springs per contact. The contact force and thus the electrical connection is generated by the spring force. The higher the spring force, the better the transmission quality and the higher the currents to be transmitted.

Nachteilig ist auch, dass es im Laufe des Betriebes zu Ermüdungserscheinungen kommen kann, wodurch die Federkraft geringer wird.Another disadvantage is that it can cause fatigue in the course of operation, whereby the spring force is lower.

Im Kraftfahrzeugbau, aber auch auf anderen Gebieten, werden häufig Ströme von 30 Ampere und mehr über vielpolige Steckverbindungen übertragen.In the automotive industry, but also in other areas, currents of 30 amperes and more are often transmitted via multi-pin connectors.

Aufgrund der erforderlichen hohen Kontaktkraft bei Übertragung von derart hohen Strömen sind zur Minimierung des Kontaktwiderstandes aufgrund der Summe der Kontaktkräfte der Einzelkontakte bei Vielfachsteckern hohe Kräfte beim Zusammenfügen der Steckverbindung während der Montage erforderlich. Diese können bis zu 100 N oder mehr betragen. Technische Hilfsmittel sind bei einer Baugruppenmontage häufig nicht anwendbar, da der Einbauraum zu klein und dadurch schlecht zugänglich ist. Dies bedeutet, die Kontaktverbindung muss von einem Monteur von Hand vorgenommen werden, womit eine einwandfreie Steckverbindung von der Arbeitsweise des Monteurs abhängig ist. Aufgrund von Zeitdruck, Arbeitsdauer mit Ermüdungserscheinungen und dergleichen können deshalb Fehlverbindungen aufgrund eines unvollständigen Steckvorganges nicht ausgeschlossen werden. Ungenügende Verbindungen führen dazu, dass sich später während des Betriebes die Steckverbindung löst und damit die Übertragung unterbrochen wird. Eine weitere Gefahr besteht darin, dass sich der Monteur zur Erleichterung seiner Arbeit in unzulässiger Weise Hilfsmittel, wie Hämmer und dergleichen, zur Herstellung der Verbindung bedient, womit Beschädigungen der Steckverbindung auftreten können.Due to the high contact force required for transmission of such high currents, high forces are required to assemble the connector during assembly to minimize the contact resistance due to the sum of the contact forces of the individual contacts in multiple connectors. These can be up to 100 N or more. Technical aids are often not applicable in a module assembly, since the installation space is too small and therefore difficult to access. This means the contact connection must be made by a technician by hand, so that a perfect plug connection depends on the operation of the mechanic. Due to time pressure, working time with signs of fatigue and the like, therefore, misconnections due to an incomplete mating process can not be excluded. Insufficient connections mean that the plug-in connection is loosened later during operation and thus the transmission is interrupted. Another danger is that the fitter in order to facilitate his work in an improper way aids such as hammers and the like, used to make the connection, which can damage the connector occur.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren und eine Vorrichtung zur Herstellung einer elektrischen Verbindung von Baugruppen und Modulen zu schaffen, durch die die vorstehend beschriebenen Nachteile vermieden werden, insbesondere durch die eine sichere Verbindung geschaffen wird und zwar ohne dass man auf die Zuverlässigkeit eines Monteurs angewiesen ist.The present invention is therefore an object of the invention to provide a method and an apparatus for producing an electrical connection of modules and modules, by which the disadvantages described above are avoided, in particular by which a secure connection is created and that without the Reliability of a fitter is dependent.

Erfindungsgemäß wird diese Aufgabe bei einem elektrischen Verbindungsverfahren für Baugruppen und Module mit den in Anspruch 1 genannten Merkmalen gelöst.This object is achieved in an electrical connection method for modules and modules with the features mentioned in claim 1.

Eine Verbindungsvorrichtung zum Herstellen einer elektrischen Verbindung ist in Anspruch 3 aufgezeigt.A connection device for establishing an electrical connection is shown in claim 3.

Erfindungsgemäß wird nunmehr die Herstellung einer elektrischen Verbindung von Baugruppen und Modulen in zwei Phasen aufgeteilt, nämlich:According to the invention, the production of an electrical connection of modules and modules is now divided into two phases, namely:

In einem ersten Schritt wird eine mechanische Verbindung zwischen der Stromgebereinheit und der Stromnehmereinheit geschaffen, welche man ohne großen Kraftaufwand durchführen kann und welche durch eine entsprechende Ausgestaltung der Verbindungsglieder eindeutig und sicher hergestellt werden kann.In a first step, a mechanical connection between the current generator unit and the Stromnehmerereinheit is created, which can be performed without much effort and which can be made clearly and safely by a corresponding design of the connecting members.

Nach Herstellung der mechanischen Verbindung erfolgt dann eine automatische, von einem Monteur nicht mehr beeinflussbaren Herstellung eines elektrischen Kontaktes mit genauer Orientierung der Kontakte zueinander und mit hohen Kontaktkräften.After the mechanical connection has been made, an automatic electrical contact, which can no longer be influenced by a fitter, is then produced with precise orientation of the contacts relative to one another and with high contact forces.

Dies wird dabei dadurch ermöglicht, dass die mechanische Verbindung so geschaffen wird, dass in deren Endstellung die Magnetkörper der Stromgebereinheit und der Stromnehmereinheit einander soweit angenähert sind, dass die magnetischen Anziehungskräfte zwischen den einzelnen Magnetkörpern wirken. Auf diese Weise kommt es dann zum Schaltvorgang und damit zu einer elektrischen Verbindung der Kontaktelemente der Stromgebereinheit mit den Gegenkontaktelemente der Stromnehmereinheit. Dies bedeutet, dass auf jeden Fall sichergestellt ist, dass es zu einer vollständigen elektrischen Verbindung kommt. Aufgrund der Magnetkräfte ist eine hohe Haftung zwischen den elektrischen Kontaktelementen und den Gegenkontaktelementen gewährleistet, insbesondere wenn die Magnetkörper gleichzeitig die Kontaktelemente darstellen. Wenn für die Kontaktelemente Flachkontakte verwendet werden, lassen sich sehr hohe Ströme übertragen. Dies gilt insbesondere auch dann, wenn - wie vorgesehen - die Bordspannung in Kraftfahrzeugen auf 42 Volt erhöht wird.This is made possible by the fact that the mechanical connection is created so that in the end position, the magnetic body of the current generator unit and the Stromnehmereinheit are so far approximated that the magnetic attraction forces between the individual magnetic bodies act. In this way, it then comes to the switching operation and thus to an electrical connection of the contact elements of the power supply unit with the mating contact elements of the power receiving unit. This means that it is ensured in any case that it comes to a complete electrical connection. Due to the magnetic forces a high adhesion between the electrical contact elements and the mating contact elements is ensured, especially when the magnetic body simultaneously represent the contact elements. If flat contacts are used for the contact elements, very high currents can be transmitted. This is especially true when - as planned - the on-board voltage in motor vehicles is increased to 42 volts.

Wenn man vermeiden möchte, dass an den Kontaktelementen der Stromgebereinheit, die ja an der Oberseite der Gebereinheit frei liegen, Strom anliegt, wenn keine Stromnehmereinheit aufgesetzt ist, kann man einen Magnetschlitten verwenden, wie er z.B. in der EP 0 573 471 beschrieben worden ist. Gleichzeitig wird auf diese Weise ein Schalten unter Last, insbesondere auch bei hohen Kontaktkräften und wenigen Kontakten möglich.If you want to avoid that current is applied to the contact elements of the power supply unit, which are indeed exposed at the top of the encoder unit, when no Stromnehmerereinheit is attached, you can use a magnetic carriage, as it e.g. has been described in EP 0 573 471. At the same time switching under load, especially at high contact forces and few contacts is possible in this way.

Die Magnetkörper können im Bedarfsfalle auch noch codiert sein, wie dies z.B. in der EP 1 194 983 beschrieben ist. Auf diese Weise werden fehlerhafte Zuordnungen von Kontaktelementen und Gegenkontaktelementen vermieden. Gleiches gilt für eine fehlerhafte Auslösung bei Vorhandensein eines Magnetschalters. Darüber hinaus ergibt sich eine noch bessere Positionierung der Kontakte zueinander.The magnetic bodies may also be coded if necessary, as shown e.g. is described in EP 1 194 983. In this way, erroneous assignments of contact elements and mating contact elements are avoided. The same applies to a faulty trip in the presence of a magnetic switch. In addition, there is an even better positioning of the contacts to each other.

Für die Herstellung einer mechanischen Verbindung in einem ersten Schritt sind die verschiedensten mechanischen Verbindungseinrichtungen möglich. So kann z.B. die Stromnehmereinheit durch eine entsprechende Führung von der Seite her auf die Stromgebereinheit aufgeschoben werden. Ein vertikales Aufsetzen ist ebenfalls möglich.For the production of a mechanical connection in a first step, a variety of mechanical connection devices are possible. Thus, e.g. the Stromnehmerereinheit be pushed by a corresponding guide from the side to the power supply unit. Vertical placement is also possible.

Zusätzlich zu einem seitlichen oder vertikalen Aufschieben bzw. Aufsetzen kann noch eine bajonettartige Verbindung vorgesehen sein. Auch eine Verrastung in der Endposition, welche gegebenenfalls auch akustisch angezeigt werden kann, ist möglich.In addition to a lateral or vertical pushing or placing a bayonet-type connection may be provided. Also a catch in the end position, which may also be displayed acoustically, is possible.

Vorteilhafte Weiterbildungen und Ausgestaltungen ergeben sich aus den Unteransprüchen und aus den nachfolgend anhand der Zeichnung prinzipmäßig beschriebenen Ausführungsbeispielen.Advantageous developments and refinements emerge from the dependent claims and from the embodiments described in principle below with reference to the drawing.

Es zeigt:

Fig. 1
Eine Stromgebereinheit im Schnitt, auf die eine Stromnehmereinheit aufgesetzt wird, mit einer Grobführung hierfür; und
Fig. 2
Schematisch in einer perspektivischen Darstellung eine Stromgebereinheit, mit der über eine Seitenführung als Grobführung eine Stromnehmereinheit verbunden wird.
It shows:
Fig. 1
A current generator unit in section, on which a Stromnehmerereinheit is placed, with a rough guide for this purpose; and
Fig. 2
Schematically in a perspective view of a current transmitter unit, with a side guide as a rough guide a Stromnehmerereinheit is connected.

Nachfolgend sind zwei Ausführungsbeispiele der Erfindung prinzipmäßig beschrieben. Da die elektrische Verbindungsvorrichtung über die Magnetkörper der Stromgebereinheit und der Stromnehmereinheit grundsätzlich bereits bekannt ist, wozu z.B. auf die PCT/EP 01/14508, die WO 98/09346,die WO 97/50152 und die WO 01/03249 A1 verwiesen wird, wird nachfolgend nur auf die für die Erfindung wesentlichen Merkmale näher eingegangen.Below, two embodiments of the invention are described in principle. In principle, since the electrical connection device is already known via the magnetic bodies of the power supply unit and of the power unit, for example, PCT / EP 01/14508, WO 98/09346, which is referred to WO 97/50152 and WO 01/03249 A1, will be discussed in more detail below only on the features essential to the invention.

Eine in der Fig. 1 dargestellte Stromgebereinheit 1 mit als Flächenkontakte ausgebildeten Kontaktelementen 2 und eine Stromnehmereinheit 3 mit ebenfalls als Flachkontakte ausgebildeten Kontaktelementen 4 sind in ihrem Aufbau und in ihrer Wirkungsweise in der WO 01/03249 A1 detailliert beschrieben, weshalb nachfolgend hierauf nicht näher eingegangen wird. Die WO 01/03249 A1 bildet deshalb auch den Offenbarungsgehalt zu der vorliegenden Anmeldung.A current generator unit 1 shown in FIG. 1 with contact elements 2 designed as area contacts and a current pickup unit 3 with contact elements 4 likewise designed as flat contacts are described in detail in their construction and in their mode of operation in WO 01/03249 A1, which is why they are not discussed in detail below becomes. Therefore, WO 01/03249 A1 also forms the disclosure content of the present application.

Die Kontaktelemente 2 der Stromgebereinheit 1 sind gleichzeitig als Schaltmagnete oder magnetische Schaltteile ausgebildet und die Kontaktelemente 4 der Stromnehmereinheit 2 bilden gleichzeitig Auslösemagnete bzw. magnetische Auslöseteile. Die Kontaktelemente 2 der Stromgebereinheit 1 sind jeweils einzeln über Leitungsverbindungen 5 mit einer nicht dargestellten Strom-, Spannungs- oder Impulsquelle verbunden. Ähnliches gilt für die Kontaktelemente 4 der Stromnehmereinheit 3, von denen aus jeweils Verbindungsleitungen 6 zu einem ebenfalls nicht dargestellten Verbraucher führen. Die Kontaktelemente 2 und 4 sind auf ihren einander zugewandten Stirnseiten 7 flach und wenigstens annähernd bündig mit der jeweiligen Oberfläche der dazugehörigen Einheit 1 bzw. 3. Die Kontaktelemente 2 und 4 sind jeweils in einer elastischen Wand 8 eingegossen.The contact elements 2 of the current generator unit 1 are at the same time designed as switching magnets or magnetic switching parts and the contact elements 4 of the current receiving unit 2 at the same time form release magnets or magnetic release parts. The contact elements 2 of the current generator unit 1 are each individually connected via line connections 5 with a current, voltage or pulse source, not shown. The same applies to the contact elements 4 of the Stromnehmereinheit 3, from which each lead connecting lines 6 to a consumer, also not shown. The contact elements 2 and 4 are flat on their mutually facing end faces 7 and at least approximately flush with the respective surface of the associated unit 1 or 3. The contact elements 2 and 4 are each cast in an elastic wall 8.

Bei dem dargestellten Ausführungsbeispiel nach der Fig. 1 ragen aus dem Gehäuse der Stromgebereinheit 1 wenigstens zwei auf Abstand voneinander angeordnete stumpfkegelförmige Erweiterungen 9 auf der zu der aufzusetzenden Stromnehmereinheit 3 zugewandten Seite heraus.In the illustrated embodiment according to FIG. 1 protrude from the housing of the current generator unit 1 at least two spaced apart frustoconical extensions 9 on the side facing the aufzusetzenden power receiving unit 3 side.

Komplementär dazu ist die aufzusetzende Stromnehmereinheit 3 mit stumpfkegelförmigen Vertiefungen 10 in dem Gehäuse der Stromnehmereinheit 3 versehen. Zur Führung sind die Kegelwinkel der Erweiterung 9 und der Vertiefung 10 einander angepasst. Im Unterschied zu "normalen" derartigen Kegelführungen ist jedoch ein übergroßes Spiel zwischen den beiden Führungsteilen vorgesehen, weil durch die stumpfkegelförmigen Erweiterungen 9 und die Vertiefungen 10 nur eine Grobführung vorgesehen ist. Zusätzlich können hierfür auch noch Einführungsschrägen, wie im Kopfbereich der stumpfkegelartigen Erweiterungen 9 gestrichelt dargestellt, vorgesehen sein, um eine leichte und sichere Einführung zu erreichen und um die unvermeidlich auftretenden Herstellungs- und Montagetoleranzen zu berücksichtigen, welche im Automobilbereich 1 bis 2 mm und mehr betragen können. An der Stromnehmereinheit 3 ist das Spiel mit "X" in dem Kegelwinkel angedeutet. Ebenso ist ein Abstandspiel zwischen der Kopfseite der Erweiterung 9 und dem Boden der Vertiefung 10 vorzusehen, damit nach Aufsetzen der Stromnehmereinheit 3 auf die Stromgebereinheit 1 und einer Einführung der Erweiterungen 9 in die Vertiefungen 10 im letzten Einführungsschritt die Kontaktelemente 2 und 4 aufgrund ihrer magnetischen Wirkung die letzte exakte Positionierung und Zentrierung vornehmen können.Complementarily, the aufzusetzende Stromnehmerereinheit 3 is provided with frustoconical depressions 10 in the housing of the Stromnehmerereinheit 3. To guide the cone angle of the extension 9 and the recess 10 are adapted to each other. In contrast to "normal" such conical guides, however, an oversized clearance between the two guide members is provided because of the frustoconical Extensions 9 and the wells 10 only a rough guide is provided. In addition, this can also introduction chamfers, as shown in dashed lines in the head of the truncated conical extensions 9, be provided to achieve an easy and safe introduction and to take into account the inevitable manufacturing and assembly tolerances, which are 1 to 2 mm and more in the automotive sector can. At the power receiving unit 3, the game is indicated by "X" in the cone angle. Likewise, a distance clearance between the head side of the extension 9 and the bottom of the recess 10 is provided so that after placing the Stromnehmerereinheit 3 on the current generator unit 1 and an introduction of the extensions 9 in the recesses 10 in the last insertion step, the contact elements 2 and 4 due to their magnetic effect the last exact positioning and centering can make.

Um Verklemmungen zu vermeiden und für den Monteur die Handhabung zu erleichtern, ist auf jeden Fall ein derartiges Spiel vorzusehen, dass es auch bei der größtmöglichen auftretenden Toleranz bzw. Herstellungs- oder Montageungenauigkeit bei der Verbindung der Stromnehmereinheit 3 mit der Stromgebereinheit 1 zu keinen Verklemmungen kommt.In order to avoid jamming and to facilitate handling for the fitter, is in any case such a game provided that it is also at the maximum occurring tolerance or manufacturing - comes or assembly imprecision in the compound of the current receiver unit 3 to the power generating unit 1 to be no deadlocks ,

Anstelle einer kegelstumpfartigen Erweiterung nebst Vertiefung können auch andere eine vertikale Grobzuführung ermöglichende Führungsglieder im Rahmen der Erfindung vorgesehen sein, wie z.B. Stifte und Bohrungen, welche auch konusartig verlaufen können, oder pyramidenförmige Verbindungsglieder und dergleichen.Instead of a truncated cone-like extension and depression, other guide members enabling a vertical coarse feed can also be provided within the scope of the invention, such as pins and bores, which may also be cone-shaped, or pyramid-shaped connecting members and the like.

In der Fig. 2 ist schematisch eine Verbindung der Stromnehmereinheit 3 mit der Strömgebereinheit 1 durch ein seitliches Aufschieben dargestellt. Wie ersichtlich, werden für die Seitenführung und damit für ein seitliches Aufschieben in Pfeilrichtung Schwalbenschwanzführungen 11a und 11b in der Stromgebereinheit 1 und der Stromnehmereinheit 3 vorgesehen.FIG. 2 schematically shows a connection of the current-carrying unit 3 to the tundish unit 1 by a lateral sliding-on. As can be seen, dovetail guides 11a and 11b are provided in the current generator unit 1 and the current receiving unit 3 for the lateral guidance and thus for a lateral sliding in the direction of the arrow.

Im Unterschied zu Schwalbenschwanzführungen 11a und 11b herkömmlicher Bauart ist auch hier ein übergroßes Spiel zwischen den beiden Führungen vorgesehen, um Fertigungs- und Montagetoleranzen ausgleichen zu können. Auch hier sollte das Spiel wenigstens 1 mm, vorzugsweise 2 mm oder noch mehr, betragen.In contrast to dovetail guides 11a and 11b of conventional design, an oversized clearance is also provided between the two guides in order to be able to compensate for manufacturing and assembly tolerances. Again, the game should be at least 1 mm, preferably 2 mm or more.

Selbstverständlich sind im Rahmen der vorliegenden Erfindung anstelle der beiden Grobführungen mit den stumpfkegelartigen Erweiterungen 9 und den daran angepassten Vertiefungen 10 oder den Schwalbenschwanzführungen 11a und 11b auch noch andere konstruktive Ausgestaltungen von Grobführungen möglich. Wesentlich ist lediglich, dass auf diese Weise eine nahezu kräftefreie Annäherung und Verbindung in einem ersten Schritt zwischen der Stromgebereinheit 1 und der Stromnehmereinheit 3 geschaffen wird, wonach automatisch und ohne Beeinflussung durch den Monteur eine exakte Positionierung und Zentrierung durch die Magnetwirkungen der Kontaktelemente 2 und 4 erfolgt.Of course, in the context of the present invention, instead of the two coarse guides with the truncated cone-like extensions 9 and the recesses 10 or dovetail guides 11a and 11b adapted thereto, other constructive configurations of coarse guides are also possible. It is only essential that in this way a virtually force-free approach and connection in a first step between the current generator unit 1 and the Stromnehmerereinheit 3 is created, which automatically and without interference from the fitter exact positioning and centering by the magnetic effects of the contact elements 2 and 4 he follows.

Selbstverständlich ist es im Rahmen der Erfindung auch nicht erforderlich, dass die Kontaktelemente 2 und 4 mit den Magneten identisch sind. Falls es die Platzverhältnisse zulassen, können Magnete auch unabhängig von den Kontaktelementen 2 und 4 in der Stromnehmereinheit 3 und der Stromgebereinheit 1 vorgesehen werden.Of course, it is also not necessary within the scope of the invention for the contact elements 2 and 4 to be identical to the magnets. If space permits, magnets can also be provided independently of the contact elements 2 and 4 in the Stromnehmerereinheit 3 and the current generator unit 1.

In der Figur 2 ist zusätzlich noch in gestrichelter Darstellung ein Ausführungsbeispiel angedeutet, wobei ein Magnetschlitten 12 vorgesehen ist, der mit Stromzuführungskontakten 16 versehen ist. Auf dem Magnetschlitten 12 sind in diesem Falle separate Magnete 13 und Kontaktglieder 13a angeordnet, wobei die Kontakte 13a beim Aufsetzen der Stromnehmereinheit 3 auf die Stromgebereinheit 1 zusammen mit dem Magnetschlitten 12 durch Magnete 14 in der Stromnehmereinheit 3 angezogen werden und dabei Kontaktelemente 2 von der Rückseite her kontaktieren. Auf diese Weise wird eine Stromverbindung geschaffen. Der nähere Aufbau und die Wirkungsweise dieser Einrichtung ist z.B. in der EP 0 573 471 beschrieben, welche ebenfalls den Offenbarungsgehalt für die vorliegende Anmeldung bildet.In the figure 2, an embodiment is additionally indicated in dashed lines, wherein a magnetic carriage 12 is provided, which is provided with power supply contacts 16. In this case, separate magnets 13 and contact members 13a are arranged on the magnet carriage 12, the contacts 13a being attracted to the current transmitter unit 1 together with the magnet carriage 12 by magnets 14 in the current pickup unit 3 when the current transformer unit 3 is placed, and contact elements 2 from the rear side contact her. In this way, a power connection is created. The detailed structure and the operation of this device is e.g. in EP 0 573 471, which likewise forms the disclosure content for the present application.

Im Ruhezustand, das heißt bei nicht aufgesetzter Stromnehmereinheit 3 wird der Magnetschlitten 12 von einem Magneten 15 oder einem Material aus einem magnetischen Werkstoff, welcher sich auf der von der Stromnehmereinheit 3 abgewandten Seite in der Stromgebereinheit 1 befindet, angezogen. In diesem Zustand liegt somit kein Strom an den Kontaktelementen 2 an, da die Kontaktglieder 13a auf Abstand dazu liegen.In the idle state, that is, when not attached Stromnehmerereinheit 3, the magnet carriage 12 by a magnet 15 or a material of a magnetic material, which is located on the side facing away from the Stromnehmerereinheit 3 side in the current generator unit 1, attracted. In this state, therefore, no current is applied to the contact elements 2, since the contact members 13a are at a distance therefrom.

Claims (17)

  1. Method for production of an electrical connection of assemblies and modules with a current emitter unit (1) that is fitted with electrical contact elements (2) and magnetic bodies, and with a current receiver unit (3) that is fitted with electrical counter-contact elements (4) and magnetic bodies arranged counter-pole to the opposite magnetic bodies in the current emitter unit (1), where the electrical contact between the contact elements (2) and the counter-contact elements (4) is made via flat contacts with flat contact points,
    characterised in that
    for the connection, in a first step via a rough guide (9, 10 or 11a, 11b) a mechanical connection is made with excessive play between the connecting elements of the connection to compensate for tolerance and in a second step a precise positioning and centring take place through the magnetic attraction forces between the magnetic bodies of the current emitter unit (1) and the magnetic bodies of the current receiver unit (3) in a fine guide, and an electrical contact is made between the contact elements (2) and the counter-contact elements (4).
  2. Method according to claim 1,
    characterised in that
    the power is supplied to the current emitter unit (1) via a magnetic slide (12) that is fitted with electrical power supply contacts (13) and after the first step is moved with the mechanical connection by the magnetic bodies (14) of the current receiver unit (3) in the direction towards the current receiver unit (3) and thus creates the electrical contact.
  3. Connection device for creating an electrical connection of modules or assemblies with a current emitter unit (1) that is fitted with electrical contact elements (2) and magnetic bodies, and with a current receiver unit (3) that is fitted with electrical counter-contact elements (4) and magnetic bodies arranged counter-pole to the opposite magnetic bodies on connection of the current emitter unit (1) with the current receiver unit (3), where the contact elements (2) are formed as flat contacts (2, 4) with flat contact points,
    characterised in that
    to create the connection a rough guide (9, 10 or 11a, 11b) is provided as a mechanical connection with excessive play between connecting elements of the connection to compensate for tolerance and a fine guide is provided with precise positioning and centring through the magnetic attraction forces between the magnetic bodies of the current emitter unit (1) and the magnetic bodies of the current receiver unit (3) for an electrical contact between the contact elements (2) and the counter-contact elements (4) via the magnetic bodies of the current emitter unit (1) and the current receiver unit (3).
  4. Connecting device according to claim 3,
    characterised in that
    the flat contacts (2, 4) are arranged in a resilient wall (8) of the current emitter unit (1) or the current receiver unit (3).
  5. Connecting device according to claim 3 or 4, characterised in that
    the mechanical guide (9, 10 or 11a, 11b) is formed so that at the end of the mechanical insertion, the magnetic bodies of the current emitter unit (1) and the magnetic bodies of the current receiver unit (3) are arranged at least partly opposite each other.
  6. Connecting device according to claim 3,
    characterised in that
    the mechanical rough guide has a side guide (11a, 11b) via which the current emitter unit (1) can be positioned over the current receiver unit (3).
  7. Connecting device according to claim 6,
    characterised in that
    the side guide is formed by connecting elements in the form of dovetail guides (11a, 11b) in the current emitter unit (1) and the current receiver unit (3), where the dovetail guides (11a, 11b) are formed with excessive play.
  8. Connecting device according to claim 7,
    characterised in that
    the play, at least in the direction of the current receiver unit (3) to be applied, is at least 1 mm, preferably 2 mm.
  9. Connecting device according to claim 3,
    characterised in that
    the rough guide has as connecting elements a vertical guide (9, 10) via which the current receiver unit (3) can be placed on the current emitter unit (1).
  10. Connecting device according to claim 9,
    characterised in that
    the connecting elements of the vertical guide are fitted with oblique guides in the form of tapered or conical recesses (10) and protrusions (9).
  11. Connecting device according to claim 10,
    characterised in that
    the oblique guides (9, 10) are fitted with excessive play.
  12. Connecting device according to claim 11,
    characterised in that
    the possible play of the oblique guides (9, 10) is at least 1 mm, preferably 2 mm.
  13. Connecting device according to claim 9,
    characterised in that
    the rough guide (9, 10) is fitted with a bayonet closure.
  14. Connecting device according to any one of claims 3 to 13,
    characterised in that
    the rough guide (9, 10 or 11a, 11b) is formed such that at the end of the mechanical insertion an engagement occurs.
  15. Connecting device according to claim 3,
    characterised in that
    the current emitter unit (1) is fitted with a magnetic slide (12) that is fitted with power supply contacts (16), where the magnetic slide (12) can be displaced in the direction of the current receiver unit (3) to be positioned, and where in the displaced position an electrical connection is made to the contact elements (2).
  16. Connecting device according to claim 15,
    characterised in that
    the magnetic slide (12) is fitted with a retainer device.
  17. Connecting device according to claim 16,
    characterised in that
    the retainer device is fitted with a magnet (15) or material of magnetic matter which is arranged in the current emitter unit (1) on the side facing away from the current receiver unit (3) to be positioned.
EP03747985A 2002-09-13 2003-09-08 Method and device for producing an electrical connection of sub-assemblies and modules Expired - Lifetime EP1537632B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10242645A DE10242645A1 (en) 2002-09-13 2002-09-13 Method of creating electrical connection to modules e.g. in motor vehicle, by using magnetic bodies in current providing unit and current receiving unit to form contact automatically
DE10242645 2002-09-13
PCT/EP2003/009964 WO2004027937A1 (en) 2002-09-13 2003-09-08 Method and device for producing an electrical connection of sub-assemblies and modules

Publications (2)

Publication Number Publication Date
EP1537632A1 EP1537632A1 (en) 2005-06-08
EP1537632B1 true EP1537632B1 (en) 2006-01-11

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Country Status (10)

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US (1) US7344380B2 (en)
EP (1) EP1537632B1 (en)
JP (1) JP4290121B2 (en)
CN (1) CN100370656C (en)
AT (1) ATE315839T1 (en)
AU (1) AU2003267062A1 (en)
DE (2) DE10242645A1 (en)
ES (1) ES2256771T3 (en)
RU (1) RU2312437C2 (en)
WO (1) WO2004027937A1 (en)

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CN1695275A (en) 2005-11-09
JP4290121B2 (en) 2009-07-01
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RU2312437C2 (en) 2007-12-10
US7344380B2 (en) 2008-03-18
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US20060051981A1 (en) 2006-03-09
JP2005538529A (en) 2005-12-15

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