EP1134860B1 - Overvoltage protection device - Google Patents

Overvoltage protection device Download PDF

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Publication number
EP1134860B1
EP1134860B1 EP20010100547 EP01100547A EP1134860B1 EP 1134860 B1 EP1134860 B1 EP 1134860B1 EP 20010100547 EP20010100547 EP 20010100547 EP 01100547 A EP01100547 A EP 01100547A EP 1134860 B1 EP1134860 B1 EP 1134860B1
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EP
European Patent Office
Prior art keywords
contact
conductor
limb
limbs
hollow
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.)
Expired - Lifetime
Application number
EP20010100547
Other languages
German (de)
French (fr)
Other versions
EP1134860A1 (en
Inventor
Wolfgang Breithaupt
Markus Dipl.-Ing. Droldner
Christof Dipl.-Ing. Drilling
Andreas Dipl.-Ing. König
Olaf Dipl.-Ing. Schmidt
Jürgen Dipl.-Ing. Trinkwald
Holger Dipl.-Ing. Zimpel
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.)
Obo Bettermann GmbH and Co KG
Original Assignee
Obo Bettermann GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Obo Bettermann GmbH and Co KG filed Critical Obo Bettermann GmbH and Co KG
Publication of EP1134860A1 publication Critical patent/EP1134860A1/en
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Publication of EP1134860B1 publication Critical patent/EP1134860B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
    • H01T4/00—Overvoltage arresters using spark gaps
    • H01T4/06—Mounting arrangements for a plurality of overvoltage arresters

Definitions

  • the invention relates to a device for protection against overvoltages, consisting of several arranged side by side Surge protection elements, each Surge protection element a U-shaped Lower part of the housing with contact tongues or the like Contact parts inside the hollow leg are arranged, and a cuboid upper part with exiting on the narrow sides Has contact rails or knives that is inserted between the legs, in which first hollow leg at least one Contact terminal for one to be put on Connection conductor is provided, which is in an opening of the hollow leg is insertable, which from the Open side of the thighs that the Narrow side of the top is facing away, and in the second hollow leg at least one Contact terminal for an N or PEN conductor to be connected is provided, the contact terminals Have clamping screws that from the top of the Legs are accessible here.
  • the invention proposes to achieve this object before that the second hollow leg openings for Plugging in the N or PEN conductor that open from the side surfaces of the leg and to the corresponding openings adjacent Lower housing parts run coaxially, see above that a continuous insertion channel for the N or PEN conductor through all legs and contact terminals is formed.
  • each leg has two contact terminals has, the conductor insertion openings or channels in the first legs parallel to each other and in the second legs are coaxially aligned.
  • connection terminals Because the legs all side by side arranged lower housing parts coaxial directional channels in the area of the connection terminals have, it is possible to connect a Conductor, the earth potential or neutral conductor potential leads, in such a way that the Stripped conductor over a corresponding length and the stripped end in the Through channel is inserted, the conductor reaches through all contact terminals. following can then use the appropriate screws Contact terminals from the front of the lower part forth actuated so that a firm connection the conductor with the appropriate contact terminals is reached. This way the ground side of the surge protection elements completely bridged, with no additional Connection bridge can be made and installed must, but the manager himself provides the Connecting bridge.
  • Surge protection devices are shown in the drawing. They consist of several side-by-side overvoltage protection elements, each overvoltage protection element having a U-shaped lower housing part 1 with contact tongues or similar contact parts, which are arranged within the hollow legs 2, 3, and a cuboid upper part 4 with contact rails or knives emerging on the narrow sides , which is inserted between the legs 2,3.
  • the lower parts 1 are fastened, for example, on a top-hat rail 5 and arranged closely next to one another, as can be seen from the top views according to FIGS. 1 and 2.
  • the contact tongues and the access slots for this in the legs 2 and 3 and the contact rails in the upper parts 4 are not shown.
  • two contact terminals are provided for connecting leads to be connected, for example L 1 , L 2 , L 3 or PE, the respective connecting lead being insertable into an opening in the hollow leg 3, which is open from the side of the legs 3 opens out, which faces away from the narrow side of the upper part 4.
  • the respective connecting lead By accessible from the top of the lower part 1 screws, which are arranged in the upwardly open channels 6, clamping screws can be tightened after the insertion of the corresponding conductor into the terminals, so that the conductors are fixed in the terminal.
  • the second legs 2 have openings for inserting the N or PEN conductor, which open out from the side surfaces of the leg 2 and run coaxially to the corresponding openings of adjacent lower housing parts 1, so that a continuous insertion channel 7 for the N or PEN Conductor is formed by all legs 2 and corresponding contact terminals.
  • a clamping screw for closing the respective contact terminal can be actuated again by channels 8 opening out at the head side of the lower part 1. In this way, all overvoltage protection elements are bridged together by the PEN conductor or the N conductor, it being only necessary to remove insulation from the corresponding conductor over the entire insertion length, so that flawless contacting is made possible.
  • the invention is not based on the embodiment limited, but within the scope of the revelation often variable.

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  • Emergency Protection Circuit Devices (AREA)

Description

Die Erfindung betrifft eine Vorrichtung zum Schutz gegen Überspannungen, bestehend aus mehreren nebeneinander angeordneten Überspannungsschutzelementen, wobei jedes Überspannungsschutzelement ein U-förmiges Gehäuseunterteil mit Kontaktzungen oder dergleichen Kontaktteilen, die innerhalb der hohlen Schenkel angeordnet sind, und ein quaderförmiges Oberteil mit an den Schmalseiten austretenden Kontaktschienen oder -messern aufweist, das zwischen die Schenkel eingefügt ist, wobei in dem ersten hohlen Schenkel mindestens eine Kontaktklemme für einen aufzulegenden Anschlußleiter vorgesehen ist, der in eine Öffnung des hohlen Schenkels einsteckbar ist, die aus der Seite der Schenkel offen ausmünden, die der Schmalseite des Oberteils abgewandt ist, und in dem zweiten hohlen Schenkel mindestens eine Kontaktklemme für einen aufzulegenden N- oder PEN-Leiter vorgesehen ist, wobei die Kontaktklemmen Klemmschrauben aufweisen, die von der Kopfseite der Schenkel her zugänglich sind.The invention relates to a device for protection against overvoltages, consisting of several arranged side by side Surge protection elements, each Surge protection element a U-shaped Lower part of the housing with contact tongues or the like Contact parts inside the hollow leg are arranged, and a cuboid upper part with exiting on the narrow sides Has contact rails or knives that is inserted between the legs, in which first hollow leg at least one Contact terminal for one to be put on Connection conductor is provided, which is in an opening of the hollow leg is insertable, which from the Open side of the thighs that the Narrow side of the top is facing away, and in the second hollow leg at least one Contact terminal for an N or PEN conductor to be connected is provided, the contact terminals Have clamping screws that from the top of the Legs are accessible here.

Derartige Vorrichtungen sind im Stand der Technik vielfach bekannt. Beispielsweise wird hierzu auf die DE 42 36 584 C 2 verwiesen.Such devices are in the prior art widely known. For example, on this referred to DE 42 36 584 C 2.

Bei der herkömmlichen Installation werden solche Überspannungsschutzelemente beispielsweise auf Hutschienen aufgereiht nebeneinander angeordnet, so daß jeder Anschlußleiter einer Energieversorgung an ein entsprechendes Überspannungsschutzelement angeschlossen werden kann und andererseits ein Anschluß an ein Erdpotential oder an ein Neutral-Leiter-Potential ermöglicht ist. Dazu weisen jeweils die ersten hohlen Schenkel Anschlußklemmen auf, die über die in den Außenseiten der hohlen Schenkel vorgesehenen Öffnungen zugänglich sind. Auch die Anschlußklemmen zum Anschließen des Erdpotential- oder Neutral-Leiter-Potential-führenden Anschlußleiters sind aus der Fläche des zweiten hohlen Schenkels herausgeführt, beziehungsweise durch Öffnungen zugänglich. Dies bedeutet im Prinzip, daß jedes Überspannungsschutzelement an einen Erdpotentialoder Neutral-Leiter-Potential-führenden Anschlußleiter angeschlossen werden muß. With conventional installation, such Surge protection elements, for example DIN rails lined up next to each other, see above that each connecting lead to a power supply a corresponding surge protection element can be connected and on the other hand Connection to an earth potential or to a neutral conductor potential is possible. Point to this the first hollow leg connection terminals on that over the in the outsides of the hollow Legs provided openings are accessible. Also the terminals for connecting the Earth potential or neutral conductor potential leading Lead wires are from the area of the led out second hollow leg, or accessible through openings. This basically means that each Surge protection element to an earth potential or Neutral conductor-potential leaders Connection conductor must be connected.

Aus der oben angegebenen Druckschrift ist es schon bekannt, alle Anschlußklemmen, die Erdpotential oder Neutral-Leiter-Potential führen, über eine Verbindungsbrücke miteinander zu verbinden, so daß dann nur im Bereich einer Anschlußklemme der entsprechende Anschlußleiter angeschlossen werden muß und die Verbindung der Überspannungsschutzelemente untereinander über die Verbindungsbrücke erfolgt. Hierdurch ist die Installation zwar vereinfacht, jedoch ist die zusätzliche Ausbildung und Anordnung der Verbindungsbrücke hierzu notwendig.It is already from the publication mentioned above known, all terminals, the ground potential or neutral conductor potential, via a Connecting bridge to connect with each other so that then only in the area of a connecting terminal appropriate connection conductors are connected must and the connection of the Surge protection elements with each other via the Connection bridge is made. This is the Installation is simplified, but the additional training and arrangement of Connection bridge necessary for this.

Ausgehend von diesem Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine Vorrichtung gattungsgemäßer Art zu schaffen, die hinsichtlich der Herstellung und des Gebrauchs vereinfacht ist.Based on this state of the art Invention, the object of a device Generic type to create the respect the manufacture and use is simplified.

Zur Lösung dieser Aufgabe schlägt die Erfindung vor, daß der zweite hohle Schenkel Öffnungen zum Einstecken des N- oder PEN-Leiters aufweist, die aus den Seitenflächen des Schenkels ausmünden und zu den entsprechenden Öffnungen benachbarter Gehäuseunterteile koaxial gerichtet verlaufen, so daß ein durchgehender Einschubkanal für den N- oder PEN-Leiter durch alle Schenkel und Kontaktklemmen gebildet ist.The invention proposes to achieve this object before that the second hollow leg openings for Plugging in the N or PEN conductor that open from the side surfaces of the leg and to the corresponding openings adjacent Lower housing parts run coaxially, see above that a continuous insertion channel for the N or PEN conductor through all legs and contact terminals is formed.

Eine bevorzugte Weiterbildung wird darin gesehen, daß jeder Schenkel jeweils zwei Kontaktklemmen aufweist, wobei deren Leiter-Einstecköffnungen beziehungsweise -kanäle in den ersten Schenkeln parallel zueinander und in den zweiten Schenkeln koaxial zueinander ausgerichtet sind.A preferred further development is seen in that each leg has two contact terminals has, the conductor insertion openings or channels in the first legs parallel to each other and in the second legs are coaxially aligned.

Dadurch, daß die Schenkel aller nebeneinander angeordneten Gehäuseunterteile zueinander koaxial gerichtete Kanäle im Bereich der Anschlußklemmen aufweisen, ist es möglich, den Anschluß eines Leiters, der Erdpotential oder Neutral-Leiter-Potential führt, in der Weise vorzunehmen, daß der Leiter über eine entsprechende Länge abisoliert wird und das abisolierte Ende in den Durchgangskanal eingesteckt wird, wobei der Leiter sämtliche Kontaktklemmen durchgreift. Nachfolgend können dann die entsprechenden Schrauben der Kontaktklemmen von der Stirnseite des Unterteils her betätigt werden, so daß eine feste Verbindung des Leiters mit den entsprechenden Kontaktklemmen erreicht ist. Auf diese Weise wird die Erdungsseite der Überspannungsschutzelemente komplett überbrückt, wobei keine zusätzliche Verbindungsbrücke hergestellt und montiert werden muß, sondern der Leiter selbst stellt die Verbindungsbrücke dar.Because the legs all side by side arranged lower housing parts coaxial directional channels in the area of the connection terminals have, it is possible to connect a Conductor, the earth potential or neutral conductor potential leads, in such a way that the Stripped conductor over a corresponding length and the stripped end in the Through channel is inserted, the conductor reaches through all contact terminals. following can then use the appropriate screws Contact terminals from the front of the lower part forth actuated so that a firm connection the conductor with the appropriate contact terminals is reached. This way the ground side of the surge protection elements completely bridged, with no additional Connection bridge can be made and installed must, but the manager himself provides the Connecting bridge.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und im folgenden näher beschrieben. Es zeigt:

Figur 1
ein erstes Überspannungsschutzsystem in Draufsicht mit schematisierten Anschlüssen;
Figur 2
eine Variante in gleicher Ansicht wie Figur 1 gesehen;
Figur 3
eine Ansicht in Blickrichtung des Pfeiles III der Figur 1 gesehen.
Embodiments of the invention are shown in the drawing and described in more detail below. It shows:
Figure 1
a first surge protection system in plan view with schematic connections;
Figure 2
a variant seen in the same view as Figure 1;
Figure 3
a view seen in the direction of arrow III of Figure 1.

In der Zeichnung sind Überspannungsschutzvorrichtungen gezeigt. Sie bestehen aus mehreren nebeneinander angeordneten Überspannungsschutzelementen, wobei jedes Überspannungsschutzelement ein U-förmiges Gehäuseunterteil 1 mit Kontaktzungen oder dergleichen Kontaktteilen, die innerhalb der hohlen Schenkel 2,3 angeordnet sind, aufweist, sowie ein quaderförmiges Oberteil 4 mit an den Schmalseiten austretenden Kontaktschienen oder -messern, das zwischen die Schenkel 2,3 eingefügt ist. Die Unterteile 1 sind beispielsweise auf einer Hutschiene 5 befestigt und dicht nebeneinander angeordnet, wie aus den Draufsichten gemäß Figur 1 und 2 ersichtlich ist. Der Übersichtlichkeit halber sind die Kontaktzungen und die Zugangsschlitze hierfür in den Schenkeln 2 und 3 sowie die Kontaktschienen in den Oberteilen 4 nicht dargestellt. In den ersten hohlen Schenkeln 3 sind jeweils zwei Kontaktklemmen für aufzulegende Anschlußleiter, beispielsweise L1, L2,L3 oder auch PE vorgesehen, wobei der jeweilige Anschlußleiter in eine Öffnung des hohlen Schenkels 3 einsteckbar ist, die aus der Seite der Schenkel 3 offen ausmündet, die der Schmalseite des Oberteils 4 abgewandt ist. Durch von der Kopfseite des Unterteils 1 her zugängliche Schrauben, die in den nach oben offenen Kanälen 6 angeordnet sind, können nach dem Einführen der entsprechenden Leiter in die Klemmen, Klemmschrauben angezogen werden, so daß die Leiter in der Klemme fixiert sind. Die zweiten Schenkel 2 weisen Öffnungen zum Einstecken des N-oder PEN-Leiters auf, die aus den Seitenflächen des Schenkels 2 ausmünden und zu den entsprechenden Öffnungen benachbarter Gehäuseunterteile 1 koaxial gerichtet verlaufen, so daß ein durchgehender Einschubkanal 7 für den N- oder PEN-Leiter durch alle Schenkel 2 und entsprechende Kontaktklemmen gebildet ist. Auch hierbei ist wiederum durch kopfseitig des Unterteils 1 ausmündende Kanäle 8 eine Klemmschraube zum Schließen der jeweiligen Kontaktklemme betätigbar. Auf diese Weise sind sämtliche Überspannungsschutzelemente durch den PEN-Leiter oder den N-Leiter miteinander gebrückt, wobei es lediglich erforderlich ist, den entsprechenden Leiter über die gesamte Einstecklänge von Isolierung zu befreien, so daß eine einwandfreie Kontaktgabe ermöglicht ist. Surge protection devices are shown in the drawing. They consist of several side-by-side overvoltage protection elements, each overvoltage protection element having a U-shaped lower housing part 1 with contact tongues or similar contact parts, which are arranged within the hollow legs 2, 3, and a cuboid upper part 4 with contact rails or knives emerging on the narrow sides , which is inserted between the legs 2,3. The lower parts 1 are fastened, for example, on a top-hat rail 5 and arranged closely next to one another, as can be seen from the top views according to FIGS. 1 and 2. For the sake of clarity, the contact tongues and the access slots for this in the legs 2 and 3 and the contact rails in the upper parts 4 are not shown. In the first hollow legs 3, two contact terminals are provided for connecting leads to be connected, for example L 1 , L 2 , L 3 or PE, the respective connecting lead being insertable into an opening in the hollow leg 3, which is open from the side of the legs 3 opens out, which faces away from the narrow side of the upper part 4. By accessible from the top of the lower part 1 screws, which are arranged in the upwardly open channels 6, clamping screws can be tightened after the insertion of the corresponding conductor into the terminals, so that the conductors are fixed in the terminal. The second legs 2 have openings for inserting the N or PEN conductor, which open out from the side surfaces of the leg 2 and run coaxially to the corresponding openings of adjacent lower housing parts 1, so that a continuous insertion channel 7 for the N or PEN Conductor is formed by all legs 2 and corresponding contact terminals. Here, too, a clamping screw for closing the respective contact terminal can be actuated again by channels 8 opening out at the head side of the lower part 1. In this way, all overvoltage protection elements are bridged together by the PEN conductor or the N conductor, it being only necessary to remove insulation from the corresponding conductor over the entire insertion length, so that flawless contacting is made possible.

Im Ausführungsbeispiel sind in jedem Schenkel 2,3 jeweils zwei Kontaktklemmen vorgesehen, so daß weitere Anschlußmöglichkeiten gebildet sind.In the exemplary embodiment there are 2, 3 in each leg Two contact terminals are provided so that further connection options are formed.

Die Erfindung ist nicht auf das Ausführungsbeispiel beschränkt, sondern im Rahmen der Offenbarung vielfach variabel.The invention is not based on the embodiment limited, but within the scope of the revelation often variable.

Alle neuen, in der Beschreibung und/oder Zeichnung offenbarten Einzel- und Kombinationsmerkmale werden als erfindungswesentlich angesehen.All new, in the description and / or drawing disclosed individual and combination features regarded as essential to the invention.

Claims (2)

  1. A device for protection against overvoltage, consisting of several overvoltage protection elements disposed next to one another, with each overvoltage protection element comprising a U-shaped lower housing part (1) with contact reeds or similar contact parts, which are disposed inside the hollow limbs (2, 3), and a cuboidal upper part (4) having contact bars or blades emerging at the narrow sides, which is inserted between the limbs (2, 3), in the first hollow limb (3) at least one contact clamp for a conductor to be laid (L1, L2, L3, PE) being provided, which conductor can be inserted into an aperture of the hollow limb (3), which emerges open from the side of the limb (3) which is turned away from the narrow side of the top part (4), and in the second hollow limb (2) at least one contact clamp being provided for an N-type or PEN-type conductor to be laid, with the contact clamps comprising clamping screws which are accessible from the top side of the limbs (2, 3),
    characterised in that the second hollow limb (2) comprises apertures for the insertion of the N-type or PEN-type conductor, which emerge from the lateral faces of the limb (2) and run coaxially directed to corresponding apertures of adjacent lower housing parts (2), so that a continuous slide-in channel (7) is formed for the N-type or PEN-type conductor through all limbs (2) and contact clamps.
  2. A device according to Claim 1,
    characterised in that each limb (2, 3) comprises two contact clamps in each case, the conductor insertion apertures or channels of which are aligned mutually parallel in the first limbs (3) and mutually coaxially in the second limbs (2).
EP20010100547 2000-03-08 2001-01-10 Overvoltage protection device Expired - Lifetime EP1134860B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2000111249 DE10011249B4 (en) 2000-03-08 2000-03-08 Device for protection against overvoltages
DE10011249 2000-03-08

Publications (2)

Publication Number Publication Date
EP1134860A1 EP1134860A1 (en) 2001-09-19
EP1134860B1 true EP1134860B1 (en) 2003-04-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20010100547 Expired - Lifetime EP1134860B1 (en) 2000-03-08 2001-01-10 Overvoltage protection device

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EP (1) EP1134860B1 (en)
DE (1) DE10011249B4 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005026714B3 (en) * 2005-06-09 2006-12-14 Siemens Ag Protection device for switching on/off e.g. consumer load, has over voltage protection unit designed in modular form with unipolar protection modules that are mechanically and electrically connected with switch unit in detachable manner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4159500A (en) * 1977-11-17 1979-06-26 Reliable Electric Company Modular line protector
DE3639533A1 (en) * 1986-11-20 1988-06-01 Bettermann Obo Ohg Plug-in surge diverter for electrical installations
DE3837051C1 (en) * 1988-10-31 1990-03-01 Phoenix Elektrizitaetsgesellschaft H. Knuemann Gmbh & Co Kg, 4933 Blomberg, De Overvoltage protection plug for a plurality of cables which are to be protected against overvoltages
DE4236584C2 (en) * 1991-12-17 1995-03-09 Phoenix Contact Gmbh & Co Surge protection system

Also Published As

Publication number Publication date
DE10011249A1 (en) 2001-09-27
DE10011249B4 (en) 2005-04-28
EP1134860A1 (en) 2001-09-19

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