EP2140471B1 - Connecting element for the connection of switching devices - Google Patents

Connecting element for the connection of switching devices Download PDF

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Publication number
EP2140471B1
EP2140471B1 EP07802099A EP07802099A EP2140471B1 EP 2140471 B1 EP2140471 B1 EP 2140471B1 EP 07802099 A EP07802099 A EP 07802099A EP 07802099 A EP07802099 A EP 07802099A EP 2140471 B1 EP2140471 B1 EP 2140471B1
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EP
European Patent Office
Prior art keywords
connecting element
switching devices
switching
connection
devices
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.)
Active
Application number
EP07802099A
Other languages
German (de)
French (fr)
Other versions
EP2140471A1 (en
Inventor
Martin Bodenmeier
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.)
Siemens AG
Original Assignee
Siemens AG
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
Priority claimed from PCT/EP2007/002459 external-priority patent/WO2007107332A1/en
Application filed by Siemens AG filed Critical Siemens AG
Priority to CN2007800522546A priority Critical patent/CN101636807B/en
Priority to EP07802099A priority patent/EP2140471B1/en
Priority to US12/450,282 priority patent/US7942692B2/en
Publication of EP2140471A1 publication Critical patent/EP2140471A1/en
Application granted granted Critical
Publication of EP2140471B1 publication Critical patent/EP2140471B1/en
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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
    • H01H1/5844—Electric connections to or between contacts; Terminals making use of wire-gripping clips or springs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • H01H71/082—Connections between juxtaposed circuit breakers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484—Spring housing details
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2675—Electrical interconnections between two blocks, e.g. by means of busbars
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2458—Electrical interconnections between terminal blocks

Definitions

  • the invention relates to a connecting element for connecting at least two switching devices.
  • the invention further relates to a switching device and an electrical distribution system.
  • Such a connecting element is used wherever at least two electromechanical devices (switching devices) are to be electrically and mechanically connected to each other.
  • the devices are mechanically connected directly by guide grooves.
  • the electrical connection is then made via a separate three-pin plug.
  • the switching devices are mechanically connected via an intermediate plate.
  • the intermediate plate is plugged onto the circuit breaker and electrically connected to the circuit breaker.
  • the electrical connection of the intermediate plate with the contactor is again achieved via a three-pole plug.
  • the invention has for its object to enable a fast and wireless connection of several electromechanical devices.
  • connection element the mechanical and electrical connection of the switching devices without wiring.
  • connection element plug
  • this is done by the flexible design of the connection elements, whereby they can engage in contact openings of the connection means of the switching devices and can bend out. It can be bent by the flexible design of each connection element for - independently - and thus achieve the tolerance compensation.
  • the connecting element according to the invention it is also possible to halve the high insertion forces by first connecting the connector to a switching device, e.g. a contactor is plugged and then the connector with the contactor to another switching device, e.g. a circuit breaker is plugged. Since both the mechanical and the electrical connection is achieved with a connector, the number of required connection parts is reduced. In addition, only one connection process is necessary in order to contact the connection means of the switching devices and to create a mechanical connection.
  • a switching device e.g. a contactor is plugged
  • another switching device e.g. a circuit breaker
  • connection elements are designed as conductive pins. These so-called pins are for engaging in the contact openings of Switchgear provided.
  • the connecting element has ever to connecting switching device on three pins, which can also be implemented as a connected pin headers, making this very well suited for the standard switching devices such as circuit breakers and contactors.
  • the conductive pins on a plastic sheath As a result, the security is increased in particular in situations in which the connector is only connected to a switching device and possibly not yet connected to a switching device connecting elements are connected to current-carrying lines.
  • the plastic sheath is designed to be flexible and / or finger-like.
  • the flexibility of the connecting elements is supported, in particular a finger-like design allows tolerance compensation in all three spatial directions.
  • the connecting elements are designed finger-like such that they are flexible in all three spatial directions.
  • connection elements on a first side of the connecting element are shorter than those on a second side of the connecting element. This can - in addition to the above-mentioned possibility - the required insertion force can be reduced, allowing for easier installation.
  • the second means are designed to perform a turn-around wiring or a series connection wiring in two switching devices arranged side by side.
  • the first means comprise an intermediate element. This can be achieved between the switching devices protection to the terminals against short-circuit induced leakage of plasma and gas.
  • the first means have guides, by means of which the connecting element can be guided on guides of a housing of at least one of the switching devices to be connected.
  • guides which are preferably attached to the intermediate element, it is possible to perform the contacting in a simpler manner.
  • the mechanical guidance can provide better protection for electrical contacting against bending or twisting, i. It is also a better insertion of small pins possible because they are performed when plugging and lateral kinking is prevented. This makes it possible to use thinner and weaker and possibly also cheaper electrical conductors, such as pin headers, for electrical contacting.
  • switching devices with switching poles and with these electrically connected connection means which are designed as plug-in terminals, wherein a housing of the switching device has guides, by means of which the switching device on guides of a connecting element, which is provided for connecting at least two switching devices, is feasible used ,
  • Fig. 1 shows a connecting element 1 for the mechanical and electrical connection of two different switching devices 13-15, for example for connecting a contactor 13, 14 with a power switch 15, see. Figs 6-10 ,
  • the connecting element 1 has first means 5 for mechanical connection and second means 6 for electrically connecting the switching devices 13-15.
  • the first means 5 are partly as guides 12 (see. Fig. 2 ), by means of which the connecting element 1 to corresponding guides of the switching device housing 18 (see. Fig. 5 ) is easily feasible, at the same time a better protection for the electrical contact against bending or rotation is given, since the guide when plugging a lateral buckling of smaller Contact pins 7 is prevented.
  • the first means 5 further have an intermediate element 11, which is designed so that a second switching device - for example, a contactor 13, 14 - is protected from a short-circuit-related Ausblasplasma a first switching device - eg a circuit breaker 15. In this case, a larger blow-out space than in the direct mating of the switching devices 13-15 remain available.
  • the second means 6 include the connecting elements 7, so-called pins, with a plastic casing 8, of which three are each mounted on a first side 9 and a second side 10 of the connecting element 1. These pins 7 can - each by itself, independently of each other - achieve tolerance compensation. Due to the finger-like design of the pins 7 a high flexibility is given in all three spatial directions.
  • the plastic sheath 8, which encloses the connecting elements 7 respectively, is like this flexible and finger-like designed - surrounds the conductive pins 7 so to the intermediate element 11 - so that the tolerance compensation by pins 7 and plastic sheath 8 in all three spatial directions is easily possible.
  • the connecting elements 7 are made of electrically good conductive material.
  • Fig. 2 shows the connecting element 1 from Fig. 1 in cross-section, whereby in particular the guides 12 and the plastic-coated connection elements 7, 8 are better visible.
  • Fig. 1 shows the connecting element 1 from Fig. 1 in cross-section, whereby in particular the guides 12 and the plastic-coated connection elements 7, 8 are better visible.
  • Fig. 1 shows the connecting element 1 from Fig. 1 in cross-section, whereby in particular the guides 12 and the plastic-coated connection elements 7, 8 are better visible.
  • the further reference numerals is on Fig. 1 directed.
  • FIGS. 3 and 4 show two further embodiments of connecting elements 2, 3 for connecting switching devices 13-15.
  • first means 5 and second means 6 virtually merge into one another.
  • the respective connection elements 7 with the plastic sheath 8 (pins) are likewise finger-like again and thus in turn independently of each other ensure easy tolerance compensation in all three spatial directions.
  • Fig. 5 shows two adjacent switching devices 13, 14 - for example, two contactors - which are mechanically and electrically connected to each other by the connecting elements 2, 3, wherein the mechanical and electrical connection is made in one operation.
  • the electrical connection is made directly from the first switching device 13 to the second switching device 14.
  • Guides on the switchgear housing 18 serve to guide when attaching a connecting element 1, as in the Figures 1 and 2 is shown.
  • Fig. 6 shows the connected to the connecting elements 2, 3 switching devices 13, 14 from FIG. 5 , wherein on the left switching device 13 in the illustration, a connecting element 1, as in the Figures 1 and 2 shown, is plugged.
  • the connecting elements 1 and 2 are thus designed such that they engage with each other without problems, whereby the switching device 13 can be connected both to the switching device 14 located next to it and to another switching device to be attached via it.
  • Fig. 7 shows the switching devices combination 13, 14 with the connecting elements 1-3 FIG. 6 in a cross-sectional view.
  • a connection means 17 of the switching device 13 and a connection element 7 of the connecting element 3 are shown in dashed lines, which are electrically connected to each other.
  • the connection means 17 is advantageously designed as a plug-in terminal, whereby a simple and tool-free connection is made possible.
  • FIGS. 8 and 9 show the connector switching device combination 1-3, 13, 14 of FIGS. 6 and 7 , wherein the switching device 13 via the connecting element 1 with a further switching device 15 - for example, a circuit breaker - is connected.
  • the representations are once again in perspective ( FIG. 8 ) and once in cross section ( FIG. 9 ).
  • Fig. 10 shows the connector-switching device combination 1-3, 13-15 from the FIGS. 8 and 9 in a schematic representation in which the wiring of the two first connected switching devices 13, 14 can be seen.
  • the illustrated wiring is a turn-around wiring 19, in which two contactors 13, 14 are connected side by side and in parallel with connectors 2, 3.
  • Fig. 11 shows two connected to another connector 4 switchgear 13, 14 in a schematic representation, whereby by means of the connecting element 4, a series connection wiring 20 is realized in which two contactors 13, 14 are connected side by side and in series with connector 4.
  • the connecting element 4 is designed according to the connecting elements 1-3 with plastic coated connecting elements 7, 8 (pins), which allow the required tolerance compensation.
  • the switching poles 16 of the switching devices 13, 14 are clearly visible.
  • the switching devices 13-15 to be connected are designed to switch a polyphase circuit.
  • one of the switching devices 15 as a protective device, that is to protect against overload and / or short circuit, be formed, and the other switching devices 13, 14 for operational switching.
  • the switching devices 13-15 are designed as low-voltage switchgear, which can be realized, for example, as mechanical, electromechanical or electronic switching devices.
  • both protection devices 15 and switching devices for operational switching 13, 14 are connected. Since these types of connections are to be performed in large numbers, a lot of time can be saved with the method and with the connectors 1-4.
  • the invention relates to a connecting element for connecting at least two switching devices and a Switchgear and an electrical distribution system.
  • a connecting element for connecting at least two switching devices is proposed, wherein the connecting element has first means for mechanically connecting the switching devices to each other and second means for electrically connecting switching poles of the switching devices, wherein the second Having means flexibly configured connecting elements for connection to the switching poles electrically connected connection means of the switching devices.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Keying Circuit Devices (AREA)

Abstract

A connecting element is disclosed for the connection of at least two switching devices and a switching device and an electric distribution system. In order to allow for the rapid and wireless connection of a plurality of electromechanical devices, at least one embodiment of the invention proposes a connecting device for the connection of at least two switching devices, wherein the connecting element includes first element(s) for mechanically connecting the switching devices to one and another and second element(s) for electrically connecting switching poles of the switching devices. The second element(s) include flexible connecting elements for connecting the switching devices to the switching poles that are electrically connected to the connecting device.

Description

Die Erfindung betrifft ein Verbindungselement zum Verbinden von zumindest zwei Schaltgeräten. Die Erfindung betrifft ferner ein Schaltgerät und ein elektrisches Verteilungssystem.The invention relates to a connecting element for connecting at least two switching devices. The invention further relates to a switching device and an electrical distribution system.

Ein derartiges Verbindungselement kommt überall dort zum Einsatz, wo zumindest zwei elektromechanische Geräte (Schaltgeräte) elektrisch und mechanisch miteinander verbunden werden sollen.Such a connecting element is used wherever at least two electromechanical devices (switching devices) are to be electrically and mechanically connected to each other.

In einer Lösung, wie in der US 6,663,441 beschrieben, werden die Geräte direkt durch Führungsnuten mechanisch verbunden. Die elektrische Verbindung erfolgt danach über einen separaten dreipoligen Stecker.In a solution, like in the US 6,663,441 described, the devices are mechanically connected directly by guide grooves. The electrical connection is then made via a separate three-pin plug.

In einer weiteren Lösung ( Moeller GmbH, "xStart: effiziente Lösungen für den Motorabgang", Art.-Nr. 284764, 2005 )werden die Schaltgeräte mechanisch über eine Zwischenplatte verbunden. Die Zwischenplatte wird auf den Leistungsschalter aufgesteckt und mit dem Leistungsschalter elektrisch verbunden. Die elektrische Verbindung der Zwischenplatte mit dem Schütz wird wiederum über einen dreipoligen Stecker erzielt.In another solution ( Moeller GmbH, "xStart: efficient solutions for engine outlet", Art. 284764, 2005 ), the switching devices are mechanically connected via an intermediate plate. The intermediate plate is plugged onto the circuit breaker and electrically connected to the circuit breaker. The electrical connection of the intermediate plate with the contactor is again achieved via a three-pole plug.

Dokument DE 102 24976A1 offenbart die Merkmale des Oberbegriffs von Anspruch 1.document DE 102 24976A1 discloses the features of the preamble of claim 1.

Der Erfindung liegt die Aufgabe zugrunde, ein schnelles und kabelloses Verbinden von mehreren elektromechanischen Geräten zu ermöglichen.The invention has for its object to enable a fast and wireless connection of several electromechanical devices.

Diese Aufgabe wird gelöst durch ein Verbindungselement zum Verbinden von zumindest zwei Schaltgeräten gemäß Anspruch 1.This object is achieved by a connecting element for connecting at least two switching devices according to claim 1.

Die Aufgabe wird ferner gelöst durch ein elektrisches Verteilungssystem mit den in Anspruch 8 angegebenen Merkmalen.The object is further achieved by an electrical distribution system having the features specified in claim 8.

Durch das erfindungsgemäße Verbindungselement (Steckverbinder) erfolgt die mechanische und elektrische Verbindung der Schaltgeräte ohne Verdrahtung. Bei der Verbindung von Geräten ist deren Toleranz zu berücksichtigen. Durch Herstellungsabweichungen bei den Anschlüssen (fertigungsbedingt) kann es zu minimalen Positionsabweichungen der Anschlüsse kommen. Diese Abweichungen müssen durch ein geeignetes Anschlusselement (Stecker) ausgeglichen werden. Bei der erfindungsgemäßen Lösung erfolgt dies durch die flexible Ausgestaltung der Anschlusselemente, wodurch diese in Kontaktöffnungen der Anschlussmittel der Schaltgeräte eingreifen und sich ausbiegen können. Dabei kann durch die flexible Ausgestaltung jedes Anschlusselement für sich - unabhängig voneinander - aufgebogen werden und so den Toleranzausgleich erzielen.The inventive connecting element (connector), the mechanical and electrical connection of the switching devices without wiring. When connecting devices, their tolerance must be taken into account. Due to manufacturing deviations in the connections (due to production), there may be minimal position deviations of the connections. These deviations must be compensated by a suitable connection element (plug). In the solution according to the invention, this is done by the flexible design of the connection elements, whereby they can engage in contact openings of the connection means of the switching devices and can bend out. It can be bent by the flexible design of each connection element for - independently - and thus achieve the tolerance compensation.

Mit dem erfindungsgemäßen Verbindungselement ist es auch möglich, die hohen Steckkräfte zu halbieren, indem zuerst der Steckverbinder auf ein Schaltgerät, z.B. einen Schütz, gesteckt wird und dann der Steckverbinder mit dem Schütz auf ein anderes Schaltgerät, z.B. einen Leistungsschalter, gesteckt wird. Da sowohl die mechanische als auch die elektrische Verbindung mit einem Steckverbinder erzielt wird, wird die Anzahl der benötigten Verbindungsteile reduziert. Außerdem ist dabei nur ein Verbindungsvorgang notwendig, um die Anschlussmittel der Schaltgeräte zu kontaktieren und um eine mechanische Verbindung zu schaffen.With the connecting element according to the invention it is also possible to halve the high insertion forces by first connecting the connector to a switching device, e.g. a contactor is plugged and then the connector with the contactor to another switching device, e.g. a circuit breaker is plugged. Since both the mechanical and the electrical connection is achieved with a connector, the number of required connection parts is reduced. In addition, only one connection process is necessary in order to contact the connection means of the switching devices and to create a mechanical connection.

Die Anschlusselemente sind als leitfähige Stifte ausgebildet. Diese so genannten Pins sind zum Eingriff in die Kontaktöffnungen der Schaltgeräte vorgesehen. In einer typischen Ausführung weist das Verbindungselement dabei je zu verbindendem Schaltgerät drei Pins auf, die auch als verbundene Stiftleisten realisiert sein können, wodurch dieses insbesondere für die Standard-Schaltgeräte wie Leistungsschalter und Schütze sehr gut geeignet ist.The connection elements are designed as conductive pins. These so-called pins are for engaging in the contact openings of Switchgear provided. In a typical embodiment, the connecting element has ever to connecting switching device on three pins, which can also be implemented as a connected pin headers, making this very well suited for the standard switching devices such as circuit breakers and contactors.

Dabei weisen die leitfähigen Stifte eine Kunststoffummantelung auf. Hierdurch wird die Sicherheit insbesondere in Situationen erhöht, in denen der Steckverbinder lediglich mit einem Schaltgerät verbunden ist und möglicherweise die noch nicht mit einem Schaltgerät verbundenen Anschlusselemente mit Strom führenden Leitungen verbunden sind.In this case, the conductive pins on a plastic sheath. As a result, the security is increased in particular in situations in which the connector is only connected to a switching device and possibly not yet connected to a switching device connecting elements are connected to current-carrying lines.

In einer weiteren vorteilhaften Ausführungsform ist dabei die Kunststoffummantelung flexibel und/oder fingerartig ausgestaltet. Durch diese flexible Kunststoffummantelung wird die Flexibilität der Anschlusselemente unterstützt, wobei insbesondere eine fingerartige Ausgestaltung einen Toleranzausgleich in alle drei Raumrichtungen ermöglicht.In a further advantageous embodiment, the plastic sheath is designed to be flexible and / or finger-like. By this flexible plastic casing, the flexibility of the connecting elements is supported, in particular a finger-like design allows tolerance compensation in all three spatial directions.

In einer weiteren vorteilhaften Ausführungsform sind die Anschlusselemente fingerartig ausgestaltet derart, dass sie in alle drei Raumrichtungen flexibel sind. Durch diese fingerartige Ausgestaltung wird also die Flexibilität noch weiter erhöht, so dass fertigungsbedingte Toleranzen noch leichter ausgeglichen werden können.In a further advantageous embodiment, the connecting elements are designed finger-like such that they are flexible in all three spatial directions. By this finger-like configuration, therefore, the flexibility is further increased, so that production-related tolerances can be even more easily compensated.

In einer weiteren vorteilhaften Ausführungsform sind die Anschlusselemente auf einer ersten Seite des Verbindungselementes kürzer als die auf einer zweiten Seite des Verbindungselementes. Hierdurch kann - neben der bereits oben aufgezeigten Möglichkeit - die benötigte Steckkraft reduziert werden, was eine leichtere Installation ermöglicht.In a further advantageous embodiment, the connection elements on a first side of the connecting element are shorter than those on a second side of the connecting element. This can - in addition to the above-mentioned possibility - the required insertion force can be reduced, allowing for easier installation.

In einer weiteren vorteilhaften Ausführungsform sind die zweiten Mittel ausgebildet, eine Wende-Verdrahtung oder eine Reihenschaltverbindung-Verdrahtung bei zwei nebeneinander angeordneten Schaltgeräten durchzuführen. Hierdurch können diese komplizierteren Verdrahtungen auf eine einfache Weise realisiert werden, was zu einer deutlichen Zeiteinsparung führt.In a further advantageous embodiment, the second means are designed to perform a turn-around wiring or a series connection wiring in two switching devices arranged side by side. As a result, these complicated wiring can be realized in a simple manner, resulting in a significant time savings.

In einer weiteren vorteilhaften Ausführungsform weisen die ersten Mittel ein Zwischenelement auf. Hierdurch kann zwischen den Schaltgeräten Schutz zu den Anschlüssen gegen kurzschlussbedingtes Austreten von Plasma und Gas erzielt werden.In a further advantageous embodiment, the first means comprise an intermediate element. This can be achieved between the switching devices protection to the terminals against short-circuit induced leakage of plasma and gas.

In einer weiteren vorteilhaften Ausführungsform weisen die ersten Mittel Führungen auf, mittels derer das Verbindungselement an Führungen eines Gehäuses zumindest eines der zu verbindenden Schaltgeräte führbar ist. Durch diese Führungen, die bevorzugt an dem Zwischenelement angebracht sind, ist es möglich, das Kontaktieren auf eine einfachere Weise durchzuführen. Insbesondere kann durch die mechanische Führung ein besserer Schutz für die elektrische Kontaktierung gegen Verbiegung oder Verdrehung ermöglicht werden, d.h. es ist auch ein besseres Stecken von kleinen Kontaktstiften möglich, da sie beim Aufstecken geführt werden und ein seitliches Wegknicken verhindert wird. Dadurch ist es möglich, dünnere und schwächere und eventuell auch günstigere elektrische Leiter, etwa als Stiftleisten, für das elektrische Kontaktieren zu benutzen.In a further advantageous embodiment, the first means have guides, by means of which the connecting element can be guided on guides of a housing of at least one of the switching devices to be connected. By these guides, which are preferably attached to the intermediate element, it is possible to perform the contacting in a simpler manner. In particular, the mechanical guidance can provide better protection for electrical contacting against bending or twisting, i. It is also a better insertion of small pins possible because they are performed when plugging and lateral kinking is prevented. This makes it possible to use thinner and weaker and possibly also cheaper electrical conductors, such as pin headers, for electrical contacting.

Vorteilhafterweise werden dabei Schaltgeräte mit Schaltpolen und mit diesen elektrisch verbundenen Anschlussmitteln, die als Steckklemmen ausgeführt sind, wobei ein Gehäuse des Schaltgerätes Führungen aufweist, mittels derer das Schaltgerät an Führungen eines Verbindungselementes, das zum Verbinden von zumindest zwei Schaltgeräten vorgesehen ist, führbar ist, verwendet.Advantageously, switching devices with switching poles and with these electrically connected connection means, which are designed as plug-in terminals, wherein a housing of the switching device has guides, by means of which the switching device on guides of a connecting element, which is provided for connecting at least two switching devices, is feasible used ,

Im Folgenden wird die Erfindung anhand der in den Figuren dargestellten Ausführungsbeispiele näher beschrieben und erläutert. Es zeigen:

FIG 1-4
verschiedene erfindungsgemäße Verbindungselemente,
FIG 5
zwei mit Verbindungselementen verbundene Schaltge- räte,
FIG 6-7
die Kombination aus Fig 5 mit einem weiteren Ver- bindungselement,
FIG 8-9
die Kombination der beiden vorherigen Figuren, ver- bunden mit einem dritten Schaltgerät,
FIG 10
die Kombination der beiden vorherigen Figuren in einer schematischen Darstellung, in der die Ver- drahtung der beiden zuerst verbundenen Schaltgeräte erkennbar ist,
FIG 11
zwei mit einem weiteren Verbindungselement verbun- dene Schaltgeräte in einer schematischen Darstel- lung.
In the following the invention will be described and explained in more detail with reference to the embodiments illustrated in the figures. Show it:
1-4
various connecting elements according to the invention,
FIG. 5
two switching devices connected to connecting elements,
FIG 6-7
the combination of Fig. 5 with another connecting element,
FIGS. 8-9
the combination of the two previous figures, connected to a third switching device,
FIG. 10
the combination of the two previous figures in a schematic representation, in which the wiring of the two first connected switching devices is recognizable,
FIG. 11
two switching devices connected to a further connecting element in a schematic representation.

Fig 1 zeigt ein Verbindungselement 1 zum mechanischen und elektrischen Verbinden von zwei verschiedenen Schaltgeräten 13-15, z.B. zum Verbinden eines Schützes 13, 14 mit einem Leistungsschalter 15, vgl. Figs 6-10. Das Verbindungselement 1 weist erste Mittel 5 zum mechanischen Verbinden und zweite Mittel 6 zum elektrischen Verbinden der Schaltgeräte 13-15 auf. Die ersten Mittel 5 sind dabei zum Teil als Führungen 12 (vgl. Fig. 2) ausgeführt, mittels denen das Verbindungselement 1 an entsprechenden Führungen des Schaltgerätegehäuses 18 (vgl. Fig. 5) leicht führbar ist, wobei gleichzeitig ein besserer Schutz für die elektrische Kontaktierung gegen Verbiegung oder Verdrehung gegeben ist, da durch die Führung beim Aufstecken ein seitliches Wegknicken auch von kleineren Kontaktstiften 7 verhindert wird. Die ersten Mittel 5 weisen ferner ein Zwischenelement 11 auf, das so gestaltet ist, dass ein zweites Schaltgerät - beispielsweise ein Schütz 13, 14 - vor einem kurzschlussbedingten Ausblasplasma eines ersten Schaltgerätes - z.B. eines Leistungsschalters 15 - geschützt wird. Dabei kann auch ein größerer Ausblasraum als beim direkten Zusammenstecken der Schaltgeräte 13-15 vorhanden bleiben. Die zweiten Mittel 6 beinhalten die Anschlusselemente 7, so genannte Pins, mit einer Kunststoffummantelung 8, von denen je drei auf einer ersten Seite 9 und einer zweiten Seite 10 des Verbindungselementes 1 angebracht sind. Diese Pins 7 können - jeder für sich, unabhängig voneinander - den Toleranzausgleich erzielen. Durch die fingerartige Ausgestaltung der Pins 7 ist eine hohe Flexibilität in alle drei Raumrichtungen gegeben. Die Kunststoffummantelung 8, die die Anschlusselemente 7 jeweils umschließt, ist wie diese flexibel und fingerartig ausgestaltet - umschließt die leitfähigen Stifte 7 also bis zum Zwischenelement 11 -, so dass der Toleranzausgleich durch Stifte 7 und Kunststoffummantelung 8 in alle drei Raumrichtungen leicht möglich ist. Die Anschlusselemente 7 sind aus elektrisch gut leitfähigem Material. Fig. 1 shows a connecting element 1 for the mechanical and electrical connection of two different switching devices 13-15, for example for connecting a contactor 13, 14 with a power switch 15, see. Figs 6-10 , The connecting element 1 has first means 5 for mechanical connection and second means 6 for electrically connecting the switching devices 13-15. The first means 5 are partly as guides 12 (see. Fig. 2 ), by means of which the connecting element 1 to corresponding guides of the switching device housing 18 (see. Fig. 5 ) is easily feasible, at the same time a better protection for the electrical contact against bending or rotation is given, since the guide when plugging a lateral buckling of smaller Contact pins 7 is prevented. The first means 5 further have an intermediate element 11, which is designed so that a second switching device - for example, a contactor 13, 14 - is protected from a short-circuit-related Ausblasplasma a first switching device - eg a circuit breaker 15. In this case, a larger blow-out space than in the direct mating of the switching devices 13-15 remain available. The second means 6 include the connecting elements 7, so-called pins, with a plastic casing 8, of which three are each mounted on a first side 9 and a second side 10 of the connecting element 1. These pins 7 can - each by itself, independently of each other - achieve tolerance compensation. Due to the finger-like design of the pins 7 a high flexibility is given in all three spatial directions. The plastic sheath 8, which encloses the connecting elements 7 respectively, is like this flexible and finger-like designed - surrounds the conductive pins 7 so to the intermediate element 11 - so that the tolerance compensation by pins 7 and plastic sheath 8 in all three spatial directions is easily possible. The connecting elements 7 are made of electrically good conductive material.

Fig. 2 zeigt das Verbindungselement 1 aus Fig. 1 im Querschnitt, wodurch insbesondere die Führungen 12 und die kunststoffummantelten Anschlusselemente 7, 8 besser zu erkennen sind. Für eine Erläuterung der weiteren Bezugszeichen wird auf Fig. 1 verwiesen. Fig. 2 shows the connecting element 1 from Fig. 1 in cross-section, whereby in particular the guides 12 and the plastic-coated connection elements 7, 8 are better visible. For an explanation of the further reference numerals is on Fig. 1 directed.

Figuren 3 und 4 zeigen zwei weitere Ausführungsformen von Verbindungselementen 2, 3 zum Verbinden von Schaltgeräten 13-15. Bei diesen Ausführungsformen gehen erste Mittel 5 und zweite Mittel 6 quasi ineinander über. Die jeweiligen Anschlusselemente 7 mit der Kunststoffummantelung 8 (Pins) sind ebenfalls wieder fingerartig ausgebildet und sorgen somit wiederum unabhängig voneinander für einen einfachen Toleranzausgleich in alle drei Raumrichtungen. FIGS. 3 and 4 show two further embodiments of connecting elements 2, 3 for connecting switching devices 13-15. In these embodiments, first means 5 and second means 6 virtually merge into one another. The respective connection elements 7 with the plastic sheath 8 (pins) are likewise finger-like again and thus in turn independently of each other ensure easy tolerance compensation in all three spatial directions.

Fig. 5 zeigt zwei nebeneinander liegende Schaltgeräte 13, 14 - beispielsweise zwei Schütze - die miteinander durch die Verbindungselemente 2, 3 mechanisch und elektrisch verbunden sind, wobei die mechanische und elektrische Verbindung in einem Arbeitsgang hergestellt wird. Die elektrische Verbindung führt direkt vom ersten Schaltgerät 13 zum zweiten Schaltgerät 14 hergestellt. Führungen am Schaltgerätegehäuse 18 dienen zur Führung beim Aufstecken eines Verbindungselementes 1, wie es in den Figuren 1 und 2 dargestellt ist. Fig. 5 shows two adjacent switching devices 13, 14 - for example, two contactors - which are mechanically and electrically connected to each other by the connecting elements 2, 3, wherein the mechanical and electrical connection is made in one operation. The electrical connection is made directly from the first switching device 13 to the second switching device 14. Guides on the switchgear housing 18 serve to guide when attaching a connecting element 1, as in the Figures 1 and 2 is shown.

Fig. 6 zeigt die mit den Verbindungselementen 2, 3 verbundenen Schaltgeräte 13, 14 aus Figur 5, wobei auf das in der Darstellung linke Schaltgerät 13 ein Verbindungselement 1, wie in den Figuren 1 und 2 dargestellt, aufgesteckt ist. Die Verbindungselemente 1 und 2 sind also derart ausgeführt, dass sie problemlos ineinander greifen, wodurch das Schaltgerät 13 sowohl mit dem neben ihm liegenden Schaltgerät 14 als auch mit einem weiteren über ihm anzubringenden Schaltgerät verbunden werden kann. Fig. 6 shows the connected to the connecting elements 2, 3 switching devices 13, 14 from FIG. 5 , wherein on the left switching device 13 in the illustration, a connecting element 1, as in the Figures 1 and 2 shown, is plugged. The connecting elements 1 and 2 are thus designed such that they engage with each other without problems, whereby the switching device 13 can be connected both to the switching device 14 located next to it and to another switching device to be attached via it.

Fig. 7 zeigt die Schaltgeräte Kombination 13, 14 mit den Verbindungselementen 1-3 aus Figur 6 in einer Querschnittdarstellung. Zusätzlich sind in der rechten unteren Ecke des Schaltgerätes 13 ein Anschlussmittel 17 des Schaltgerätes 13 sowie ein Anschlusselement 7 des Verbindungselementes 3 gestrichelt dargestellt, die miteinander elektrisch verbunden sind. Das Anschlussmittel 17 ist dabei vorteilhafterweise als Steckklemme ausgeführt, wodurch ein einfaches und werkzeugloses Verbinden ermöglicht wird. Fig. 7 shows the switching devices combination 13, 14 with the connecting elements 1-3 FIG. 6 in a cross-sectional view. In addition, in the lower right corner of the switching device 13, a connection means 17 of the switching device 13 and a connection element 7 of the connecting element 3 are shown in dashed lines, which are electrically connected to each other. The connection means 17 is advantageously designed as a plug-in terminal, whereby a simple and tool-free connection is made possible.

Figuren 8 und 9 zeigen die Verbindungselement-Schaltgeräte-Kombination 1-3, 13, 14 der Figuren 6 und 7, wobei das Schaltgerät 13 über das Verbindungselement 1 mit einem weiteren Schaltgerät 15 - beispielsweise einem Leistungsschalter - verbunden ist. Die Darstellungen sind dabei wiederum einmal perspektivisch (Figur 8) und einmal im Querschnitt (Figur 9). FIGS. 8 and 9 show the connector switching device combination 1-3, 13, 14 of FIGS. 6 and 7 , wherein the switching device 13 via the connecting element 1 with a further switching device 15 - for example, a circuit breaker - is connected. The representations are once again in perspective ( FIG. 8 ) and once in cross section ( FIG. 9 ).

Fig. 10 zeigt die Verbindungselement-Schaltgeräte-Kombination 1-3, 13-15 aus den Figuren 8 und 9 in einer schematischen Darstellung, in der die Verdrahtung der beiden zuerst verbundenen Schaltgeräte 13, 14 erkennbar ist. Dabei handelt es sich bei der dargestellten Verdrahtung um eine Wende-Verdrahtung 19, bei der zwei Schütze 13, 14 nebeneinander und parallel mit Steckverbindern 2, 3 verbunden sind. Fig. 10 shows the connector-switching device combination 1-3, 13-15 from the FIGS. 8 and 9 in a schematic representation in which the wiring of the two first connected switching devices 13, 14 can be seen. In this case, the illustrated wiring is a turn-around wiring 19, in which two contactors 13, 14 are connected side by side and in parallel with connectors 2, 3.

Fig. 11 zeigt zwei mit einem weiteren Verbindungselement 4 verbundene Schaltgeräte 13, 14 in einer schematischen Darstellung, wodurch mittels des Verbindungselementes 4 eine Reihenschaltverbindung-Verdrahtung 20 realisiert ist, bei der zwei Schütze 13, 14 nebeneinander und in Reihe mit Steckverbinder 4 verbunden sind. Das Verbindungselement 4 ist dabei entsprechend den Verbindungselementen 1-3 mit kunststoffummantelten Anschlusselementen 7, 8 (Pins) ausgeführt, die den geforderten Toleranzausgleich ermöglichen. In dieser Figur sind auch die Schaltpole 16 der Schaltgeräte 13, 14 gut zu erkennen. Fig. 11 shows two connected to another connector 4 switchgear 13, 14 in a schematic representation, whereby by means of the connecting element 4, a series connection wiring 20 is realized in which two contactors 13, 14 are connected side by side and in series with connector 4. The connecting element 4 is designed according to the connecting elements 1-3 with plastic coated connecting elements 7, 8 (pins), which allow the required tolerance compensation. In this figure, the switching poles 16 of the switching devices 13, 14 are clearly visible.

Die zu verbindenden Schaltgeräte 13-15 sind ausgebildet, einen mehrphasigen Stromkreis zu schalten. Dabei kann eines der Schaltgeräte 15 als Schutzgerät, das heißt zum Schutz gegen Überlast und/oder Kurzschluss, ausgebildet sein, und die anderen Schaltgeräte 13, 14 für betriebsmäßiges Schalten. In einer besonders günstigen Ausführungsform sind die Schaltgeräte 13-15 als Niederspannungsschaltgeräte ausgeführt, die beispielsweise als mechanische, elektromechanische oder elektronische Schaltgeräte realisiert werden können. In einem Stromkreis werden häufig sowohl Schutzgeräte 15 als auch Schaltgeräte für betriebsmäßiges Schalten 13, 14 verbunden. Da diese Arten von Verbindungen in großer Anzahl durchzuführen sind, kann mit dem Verfahren und mit den Verbindungselementen 1-4 viel Zeit gespart werden.The switching devices 13-15 to be connected are designed to switch a polyphase circuit. In this case, one of the switching devices 15 as a protective device, that is to protect against overload and / or short circuit, be formed, and the other switching devices 13, 14 for operational switching. In a particularly favorable embodiment, the switching devices 13-15 are designed as low-voltage switchgear, which can be realized, for example, as mechanical, electromechanical or electronic switching devices. In a circuit often both protection devices 15 and switching devices for operational switching 13, 14 are connected. Since these types of connections are to be performed in large numbers, a lot of time can be saved with the method and with the connectors 1-4.

Zusammenfassend betrifft die Erfindung ein Verbindungselement zum Verbinden von zumindest zwei Schaltgeräten sowie ein Schaltgerät und ein elektrisches Verteilungssystem. Um ein schnelles und kabelloses Verbinden von mehreren elektromechanischen Geräten zu ermöglichen, wird ein Verbindungselement zum Verbinden von zumindest zwei Schaltgeräten vorgeschlagen, wobei das Verbindungselement erste Mittel zum mechanischen Verbinden der Schaltgeräte miteinander und zweite Mittel zum elektrischen Verbinden von Schaltpolen der Schaltgeräte aufweist, wobei die zweiten Mittel flexibel ausgestaltete Anschlusselemente zum Anschluss an mit den Schaltpolen elektrisch verbundene Anschlussmittel der Schaltgeräte aufweisen.In summary, the invention relates to a connecting element for connecting at least two switching devices and a Switchgear and an electrical distribution system. In order to enable a fast and wireless connection of several electromechanical devices, a connecting element for connecting at least two switching devices is proposed, wherein the connecting element has first means for mechanically connecting the switching devices to each other and second means for electrically connecting switching poles of the switching devices, wherein the second Having means flexibly configured connecting elements for connection to the switching poles electrically connected connection means of the switching devices.

Claims (9)

  1. Connecting element (1-4) for the connection of at least two switching devices (13-15), the connecting element (1-4) having first means (5) for the mechanical connection of the switching devices (13-15) to one another and second means (6) for the electrical connection of switching poles (16) of the switching devices (13-15), the second means (6) having flexibly configured finger-shaped coupling elements (7) for coupling to coupling means (17) of the switching devices (13-15) connected electrically to the switching poles (16), wherein the coupling elements (7) are configured as conductive pins that are flexible in all spatial directions and have a plastic sheathing (8), characterised in that the second means (6) are configured to connect switching poles of switching devices (13, 14, 15) electrically to one another by insertion.
  2. Connecting element according to claim 1, wherein the plastic sheathing (8) is configured in a flexible and/or finger-shaped manner.
  3. Connecting element according to one of the preceding claims, wherein the coupling elements (7) on a first side (9) of the connecting element (1) are shorter than those on a second side (10) of the connecting element (1).
  4. Connecting element according to one of the preceding claims, wherein the second means (6) are configured to implement a reversing wiring (19) or a series connection wiring (20) with two switching devices (13, 14) disposed adjacent to one another.
  5. Connecting element according to one of the preceding claims, wherein the first means (5) have an intermediate element (11).
  6. Connecting element according to one of the preceding claims, wherein the first means (5) have guides (12), which can be used to guide the connecting element (1) on guides on a housing (18) of at least one of the switching devices (13-15) to be connected.
  7. Connecting element according to one of the preceding claims, wherein the second means (6) are bent in such a manner that they point in the same direction.
  8. Electrical distribution system with at least two switching devices (13-15) each with switching poles (16) and coupling means (17) connected electrically to these, embodied as plug-in terminals, a housing of the switching device (13-15) having guides (18), by means of which the switching device (13-15) can be guided on guides (12) of a connecting element (1) provided for the connection of the at least two switching devices (13-15) and with at least one connecting element (1-4) according to one of claims 1 to 7.
  9. Electrical distribution system according to claim 8, wherein the connecting element (1-4) and the switching devices (13-15) are configured to bring about the electrical and mechanical connection by insertion in the direction of the top hat rail fixing of the switching devices (13-15).
EP07802099A 2007-03-20 2007-09-03 Connecting element for the connection of switching devices Active EP2140471B1 (en)

Priority Applications (3)

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CN2007800522546A CN101636807B (en) 2007-03-20 2007-09-03 Connecting element for the connection of switching devices
EP07802099A EP2140471B1 (en) 2007-03-20 2007-09-03 Connecting element for the connection of switching devices
US12/450,282 US7942692B2 (en) 2007-03-20 2007-09-03 Connecting element for the connection of switching devices

Applications Claiming Priority (3)

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PCT/EP2007/002459 WO2007107332A1 (en) 2006-03-20 2007-03-20 Connection element and method for connecting two switching devices, switching device and electrical distribution system
PCT/EP2007/007684 WO2008113397A1 (en) 2007-03-20 2007-09-03 Connecting element for the connection of switching devices
EP07802099A EP2140471B1 (en) 2007-03-20 2007-09-03 Connecting element for the connection of switching devices

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EP2140471A1 EP2140471A1 (en) 2010-01-06
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EP (1) EP2140471B1 (en)
CN (1) CN101636807B (en)
AT (1) ATE487229T1 (en)
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WO (1) WO2008113397A1 (en)

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US7942692B2 (en) 2011-05-17
DE502007005583D1 (en) 2010-12-16
EP2140471A1 (en) 2010-01-06
CN101636807A (en) 2010-01-27
US20100081343A1 (en) 2010-04-01
WO2008113397A1 (en) 2008-09-25
ATE487229T1 (en) 2010-11-15
CN101636807B (en) 2012-09-05

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