EP1156558B1 - Appareil de protection contre les surtensions - Google Patents

Appareil de protection contre les surtensions Download PDF

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Publication number
EP1156558B1
EP1156558B1 EP01103308A EP01103308A EP1156558B1 EP 1156558 B1 EP1156558 B1 EP 1156558B1 EP 01103308 A EP01103308 A EP 01103308A EP 01103308 A EP01103308 A EP 01103308A EP 1156558 B1 EP1156558 B1 EP 1156558B1
Authority
EP
European Patent Office
Prior art keywords
conductor
bridge
connection
overvoltage protection
neutral
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
EP01103308A
Other languages
German (de)
English (en)
Other versions
EP1156558A2 (fr
EP1156558A3 (fr
Inventor
Jürgen Dipl. Ing. Trinkwald
Markus Dipl. Ing. Droldner
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 EP1156558A2 publication Critical patent/EP1156558A2/fr
Publication of EP1156558A3 publication Critical patent/EP1156558A3/fr
Application granted granted Critical
Publication of EP1156558B1 publication Critical patent/EP1156558B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H01R9/2625—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component
    • H01R9/2641—Clip-on terminal blocks for side-by-side rail- or strip-mounting with built-in electrical component with built-in overvoltage protection
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6666—Structural association with built-in electrical component with built-in electronic circuit with built-in overvoltage protection
    • 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
    • H01R9/2425—Structural association with built-in components
    • H01R9/2441—Structural association with built-in components with built-in overvoltage protection

Definitions

  • the invention relates to a surge protective device for Protection of low-voltage electrical installations before overvoltages according to the preamble of claim 1.
  • the installation is preferably close of the building's entrance of the electrical Supply lines so that the entire network of it equipped house can be protected.
  • the actual surge protection elements are for example varistors or spark gaps, for example in the form of pluggable elements are trained so that they can be plugged into the appropriate lower part of the device can be used can.
  • the lower part of the known apparatus has a U-shaped design, for example can, in the region of one leg, the arrangement of terminals for phase conductors L 1 to L 3 and the neutral conductor is provided.
  • earth connections can be provided on the other leg of the housing, that is on the opposite side.
  • Such a device cannot be looped into an existing installation, in particular into the wiring harness, but due to the circuitry requirements it is necessary to provide a parallel arrangement so that, for example, branches must be provided from the phase-conducting conductors of the installation system (L 1 to L 3 ), which then have to be connected to the corresponding connections of the surge protection device in a way that differs from the usual installation.
  • This Installation method differs from the usual Installation grid from, such as at so-called residual current circuit breakers or others switches looped into the cables are common is.
  • EP 0 644 613 A is a generic Surge protection device known. Here too is the installation effort considerably and the confusion-free assignment of the connections is also not easily guaranteed here. The Rather, an electrician must take considerable care to ensure correct wiring can.
  • DE 298 22 203 U1 is a mounting block for one Cable junction box with input terminals for connection of power supply cables and with outgoing terminals for Connection of consumer cables known, the Input terminals with the output terminals via Conductor rails are connected.
  • a additional conductor bridge for the PE conductor parallel to the other conductor bridges is arranged, the end a corresponding first and second connection terminal has, that in the area of the installation site Conductor bridge for the neutral conductor a connection for the neutral conductor connection of the Overvoltage protection element is provided with the neutral conductor connecting bridge is contacted, as well as another connection for the Surge protection element that with a Connection bridge is contacted, which is isolated to Neutral conductor is arranged and with the PE conductor bridge is electrically connected.
  • the configuration according to the invention makes it possible to carry out the installation of the overvoltage protection device in a simple manner in such a way that it is practically possible to loop through the incoming and outgoing lines.
  • the overvoltage protection device can be connected in a simple manner by the individual conductors (L 1 , L 2 , L 3 ), neutral conductor and PE conductor being fed in parallel to one another and connected to the connections on one side of the housing, the outgoing lines being practical can be connected coaxially to these incoming connections on the other side of the housing.
  • the conductor bridges of the phase conductors and possibly also the neutral conductor and PE conductor ensure correct and simple wiring, with excess lengths or loops also being avoided.
  • connection contacts are provided for the respective phase connection of the overvoltage element to be used at the inputs of each conductor bridge and the neutral conductor connection bridge is provided on the other contact area of the overvoltage protection element, the electrical correct wiring or connection between the intended overvoltage protection elements and the network is ensured.
  • a further conductor bridge for the PE conductor can also be provided, which is only electrically connected to the conductor bridge of the neutral conductor, so that a corresponding overvoltage protection element, for example a gas arrester, can be used in the corresponding connection contacts of the neutral conductor, which inevitably installs correctly is.
  • the surge protective device must be integrated into the electrical line in such a way that it corresponds to the installation habits of electrical installers.
  • a distribution is usually wired from bottom to top, with the individual line wires running parallel to each other.
  • Such an installation direction can be implemented in a simple manner with the surge protection device according to the invention, since the device has inputs at the bottom and outputs at the top, which can be connected to the corresponding conductors. This also almost spatially separates the lines and also makes the parallel laying of protected and unprotected lines very difficult, if not impossible.
  • the problem of cable lengths which adversely affect the installation is also avoided, since all the cables to be protected are brought together on the surge protection device and are correctly connected there using the shortest cable lengths.
  • the installation and assembly of surge protective devices is made considerably easier as a complete installation solution is built integrally in the device. With a suitable design of the device, the device can be used for all network types, so that it does not require the installer to know about the network type.
  • this enables device according to the invention the installation according to the installation habits of the Electrical trades as the installer is similar Types of installation, for example, during assembly is used to residual current circuit breakers. Also there the lower terminals are used as an input and the upper terminals form the outlets. The remaining installation instructions exist only to the extent that the surge protective device always mounted directly at the entrance to the installation must be and no further connections between the protected and unprotected lines may be made.
  • the lower housing part is approximately U-shaped is formed, being in the base of the U-shape parallel to each other and electrically from each other isolated in a first, lower level Conductor bridges arranged in the form of sheet metal strips are the ends in the region of the legs of the U-shape have the terminals whose Cable insertion channels each parallel or quasi coaxial to the corresponding conductor bridge from the mutually facing surfaces of the legs open out.
  • the cross neutral conductor connecting bridge arranged to the conductor bridges in the area of one leg the U shape or in the base near the leg in a second level isolated from the conductor bridges the phase conductor of the first level is arranged and with the conductor bridge of the neutral conductor is electrically connected, especially on this contacting in the intersection area.
  • one Surge protection element for the phase conductor one contacting the respective conductor bridge and insulated from neighboring conductor bridges Part is arranged as a connection.
  • the connecting bridge in the form of a Conductor bridge of the PE conductor contacting and opposite the conductor bridge of the neutral conductor insulated sheet metal strip is formed.
  • each surge element from a varistor arranged in a housing or a spark gap that exists with Connection contacts with the connections of the Lower housing part are electrically connected (in the Position of use), so that the overvoltage element electrical connection between each Conductor bridge of the phase conductor and the Neutral conductor bridge and the Connection bridge between neutral conductor and PE conductor represents.
  • FIG. 1 corresponds approximately to the view in FIG Section line I in FIG. 3.
  • An overvoltage protection device for protecting low-voltage electrical installations against overvoltages is shown in the drawing. It consists of a lower part 1 with terminals for the phase conductors L 1 , L 2 , L 3 and the earth conductors PE as well. the neutral conductors N. Furthermore, in the exemplary embodiment, installation locations designed as slots are provided on the lower part, which are in electrical connection with the connection terminals.
  • the actual overvoltage protection elements 2 are designed in the form of varistors or spark gaps and can be plug-connected as cuboid elements to the lower part 1, the position securing being provided on the one hand and the proper electrical contacting on the other hand.
  • a continuous conductor bridge 3 L1 , 3 L2 , 3 L3 , 3 PE , 3 N is provided in the area of each installation location for a surge arrester 2.
  • the continuous conductor bridge 3 L1 shown in the drawing figure 1 on the left connects the input L 1 at the bottom with the output L 1 ' at the top.
  • the adjacent jumper 3 L2 arranged in parallel connects the input L 2 with the output L 2 '.
  • the further conductor bridge 3 L3 which in turn is located next to it, connects the input L 3 at the bottom to the output L 3 'at the top.
  • the next conductor bridge 3 N connects the input N at the bottom with the output N 'at the top.
  • the next conductor bridge 3 PE in turn connects the input PE at the bottom with the output PE 'at the top.
  • a neutral conductor connecting bridge 4 arranged transversely to these is provided on the upper end region of the conductor bridges 3 L1 , 3 L2 , 3 L3 , 3 N in the installation direction according to FIG , specifically in the area of the installation locations with a plug connection for the neutral conductor connection of the overvoltage protection element.
  • This connecting bridge 4 is not electrically connected to the phase-conducting conductor bridges 3 L1 , 3 L2 , 3 L3 of the conductors L 1 to L 3 , but rather is electrically insulated from them and lies on the conductor bridge 3 N of the neutral conductor N in an electrically conductive manner.
  • a connection element is provided above each conductor bridge 3 L1 , 3 L2 , 3 L3 for the phase conductors L 1 to L 3 , by means of which the phase connection of the respective surge arrester 2 can be plug-connected and electrically conductively connected to the bridge underneath.
  • the surge element 5 provided within the surge arrester is electrically connected to the plug connections of the surge arrester 2, as can be seen for example from FIGS. 4 and 5.
  • the conductor bridge 3 PE for the PE conductor is connected via a connecting bridge 6 to the connection area of the overvoltage protection element above the conductor bridge of the neutral conductor N, this connection being insulated from the conductor bridge 3 N of the neutral conductor.
  • the connecting bridge 6 is electrically conductively connected to the conductor bridge 3 PE of the PE conductor, that is to say can be placed on it in a contacting manner, for example.
  • the lower housing part is essentially U-shaped.
  • the arrangement of the conductor bridges 3 L1 , 3 L2 , 3 L3 , 3 PE , 3 N is provided in the base of the U-shape parallel to one another and electrically insulated from one another, for example in the form of copper sheet metal strips or the like can be trained.
  • the corresponding connection terminals are arranged in the areas designated with the designations L 1 , L 2 , L 3 , N and PE or L 1 ', L 2 ', L 3 ', N' and PE ' Marked are.
  • the cable insertion channels are thus each aligned quasi coaxially to the corresponding conductor bridges 3 L1 , 3 L2 , 3 L3 , 3 PE , 3 N.
  • the neutral conductor connecting bridge 4 arranged transversely to the conductor bridges 3 L1 , 3 L2 , 3 L3 , 3 N is provided near one leg of the U-shape of the lower part 1 in a second plane, which lies above the first plane, which is from the conductor bridges 3 L1 , 3 L2 , 3 L3 , 3 N is spanned; electrical insulation is provided between the conductor bridges and the neutral conductor connecting bridge 4.
  • the conductor bridges 3 L1 , 3 L2 , 3 L3 , 3 PE , 3 N are also spaced apart and insulated from each other.
  • the bridge 6 is arranged, which lies in contact with the PE conductor and is insulated from the neutral conductor N (the corresponding conductor bridge 3 N ).
  • This bridge is also formed, for example, by a sheet metal strip.
  • Each overvoltage element 2 can have a varistor or a spark gap in its housing as a protective element 5, this corresponding protective element being electrically connected to connector contacts 7, which in turn can be plugged into the corresponding connector elements located above the conductor bridges 3 L1 , 3 L2 , 3 L3 , 3 PE , 3 N are formed or arranged.
  • an element for remote signaling can be used which signals in a manner known per se when a surge arrester has failed or has been stressed.
  • the overvoltage protection device shown in the exemplary embodiment is suitable for all common network types and is therefore to be installed by the installer without that he knows the network form.
  • the device is also in extremely easy way into an existing line integrate by using the device in the usual way incoming lines at the bottom and outgoing lines at the top Outlets installed analogous to the illustration in Figure 1 can be.

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Amplifiers (AREA)

Claims (6)

  1. Appareil de protection contre les surtensions destiné à la protection des installations électriques à basse tension contre les surtensions, composé d'une partie inférieure d'appareil (1) munie de bornes de raccordement pour conducteurs de phase (L1 - L3) et conducteur de terre ou neutre (PE, N) ainsi que d'emplacements d'installation constitués de préférence d'emplacements enfichables, qui sont électriquement reliés aux bornes de raccordement et dans lesquels sont insérés ou enfichés des éléments de protection contre les surtensions (2) sous la forme de varistances, éclateurs ou analogues, dans lequel la partie inférieure d'appareil (1) présente au niveau de chaque emplacement d'installation un pont de conducteur continu (3L1, 3L2, 3L3, 3LPE, 3LN) dont chacun est connecté à une première borne de raccordement disposée sur un côté du boítier pour le conducteur de ligne d'arrivée et à une deuxième borne de raccordement disposée du côté opposé du boítier pour le conducteur de ligne de départ, dans lequel chaque pont de conducteur (3L1, 3L2, 3L3) de chaque conducteur de phase (L1 - L3) présente au niveau de l'emplacement d'installation correspondant une connexion pour le raccordement de phase de l'élément de protection contre les surtensions (2), dans lequel un pont de raccordement de conducteur neutre (4), isolé des ponts de conducteurs (3L1, 3L2, 3L3), est disposé transversalement par rapport à ceux-ci, qui présente au niveau de chaque emplacement d'installation une connexion pour le raccordement du conducteur neutre de l'élément de protection contre les surtensions (2) et qui est connecté au pont de conducteur (3N) pour le conducteur neutre (N) disposé en parallèle avec les ponts de conducteurs (3L1, 3L2, 3L3) des conducteurs de phase (L1 - L3),
    caractérisé par le fait qu'il est disposé en parallèle avec les autres ponts de conducteurs (3L1, 3L2, 3L3, 3N) un pont de conducteur supplémentaire (3PE) pour le conducteur PE, présentant à ses extrémités une première et une deuxième bornes de raccordement correspondantes, qu'il est prévu au niveau de l'emplacement d'installation du pont de conducteur (3N) pour le conducteur neutre une connexion pour le raccordement du conducteur neutre de l'élément de protection contre les surtensions (2), lequel est connecté au pont de raccordement de conducteur neutre (3N), ainsi qu'une autre connexion pour l'élément de protection contre les surtensions (2), lequel est connecté à un pont de raccordement (6) qui est isolé du conducteur neutre (N) et électriquement relié au pont de conducteur (3PE) pour le conducteur PE.
  2. Appareil de protection contre les surtensions selon la revendication 1, caractérisé par le fait que la partie inférieure d'appareil (1) est à peu près en forme de U, les ponts de conducteurs (3L1, 3L2, 3L3, 3PE, 3N) se présentant sous la forme de bandes de tôle parallèles les unes par rapport aux autres et électriquement isolées les unes des autres dans un premier plan inférieur de la base du U, lesquelles présentent à leurs extrémités, au niveau des branches du U, des bornes de raccordement dont les canaux d'enfichage de câble débouchent parallèlement ou quasi coaxialement au pont de conducteur correspondant (3L1, 3L2, 3L3, 3PE, 3N) des surfaces mutuellement opposées des branches.
  3. Appareil de protection contre les surtensions selon l'une des revendications 1 ou 2, caractérisé par le fait que le pont de raccordement de conducteur neutre (4) transversal aux ponts de conducteurs (3L1, 3L2, 3L3, 3N) est placé au niveau d'une branche du U ou dans la base à proximité de la branche dans un second plan isolé des ponts de conducteurs (3L1, 3L2, 3L3) des conducteurs de phase (L1 - L3) du premier plan et électriquement relié au pont de conducteur (3N) du conducteur neutre (N), en particulier porte sur celui-ci en faisant contact dans la zone de croisement.
  4. Appareil de protection contre les surtensions selon l'une des revendications 1 à 3, caractérisé par le fait qu'il est prévu comme connexion, au niveau de l'autre branche ou dans la base à proximité de la branche, dans le deuxième plan au niveau de chaque emplacement d'installation d'un élément de protection contre les surtensions (2) pour les conducteurs de phase (L1 - L3), un élément ou une partie (L1E, L2E, L3E), en contact avec le pont de conducteur concerné (3L1, 3L2, 3L3) et isolée par rapport aux ponts de conducteurs voisins (3L1, 3L2, 3L3).
  5. Appareil de protection contre les surtensions selon l'une des revendications 1 à 4, caractérisé par le fait qu'au niveau de l'autre branche ou dans la base à proximité de la branche, dans le deuxième plan au niveau du recouvrement des ponts de conducteurs (3LN, 3LPE) du conducteur neutre (N), le pont de raccordement (6) est réalisé sous la forme d'une bande de tôle faisant contact avec le pont de conducteur (3PE) du conducteur PE et isolé par rapport au pont de conducteur (3N) du conducteur neutre (N).
  6. Appareil de protection contre les surtensions selon l'une des revendications 1 à 5, caractérisé par le fait que chaque élément de protection contre les surtensions (2) est constitué d'une varistance ou d'un éclateur placé(e) dans un boítier, électriquement relié(e) (en position d'utilisation) par des contacts de raccordement aux connexions de la partie inférieur de boítier (1), de sorte que l'élément de protection contre les surtensions (2) constitue dans chaque cas la connexion électrique entre le pont de conducteur (3L1, 3L2, 3L3) du conducteur de phase (L1, L2 ou L3) et le pont de raccordement de conducteur neutre (4) et le pont de raccordement (6) entre conducteur neutre (N) et conducteur PE.
EP01103308A 2000-05-18 2001-02-13 Appareil de protection contre les surtensions Expired - Lifetime EP1156558B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10024560 2000-05-18
DE10024560A DE10024560A1 (de) 2000-05-18 2000-05-18 Überspannungsschutzgerät

Publications (3)

Publication Number Publication Date
EP1156558A2 EP1156558A2 (fr) 2001-11-21
EP1156558A3 EP1156558A3 (fr) 2002-03-27
EP1156558B1 true EP1156558B1 (fr) 2004-01-07

Family

ID=7642651

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01103308A Expired - Lifetime EP1156558B1 (fr) 2000-05-18 2001-02-13 Appareil de protection contre les surtensions

Country Status (4)

Country Link
EP (1) EP1156558B1 (fr)
AT (1) ATE257623T1 (fr)
DE (2) DE10024560A1 (fr)
ES (1) ES2208475T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1839377B1 (fr) * 2005-01-17 2011-08-10 Dehn + Söhne Gmbh + Co Kg Combinaison d'appareils enfichable destinee en particulier a la protection contre les surtensions
DE102005005914A1 (de) * 2005-02-09 2006-08-10 Dehn + Söhne Gmbh + Co. Kg Steckbare Gerätekombination zum Schutz vor Überspannungen
DE202008003295U1 (de) * 2008-03-08 2009-07-23 Weidmüller Interface GmbH & Co. KG Funktionserweiterbarer Anschlussblock und Modul
DE102015223055A1 (de) * 2015-11-23 2017-05-24 Phoenix Contact Gmbh & Co. Kg Verteilungssystem mit einer elektronischen Sicherungsklemme und zumindest einer ersten Reihenklemme
DE202015106368U1 (de) 2015-11-23 2017-02-24 Phoenix Contatct GmbH & Co. KG Verteilungssystem mit einer elektronischen Sicherungsklemme und zumindest einer ersten Reihenklemme
CN111656637B (zh) * 2018-01-30 2021-07-16 Abb电网瑞士股份公司 中性装置、换流站和直流电力传输系统

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2710462B1 (fr) * 1993-09-20 1995-11-10 Alcatel Cable Interface Réglette de connexion.
DE29822203U1 (de) * 1998-12-12 1999-03-18 Stadtfeld Elektrotechnische Fabrik GmbH & Co. KG, 42499 Hückeswagen Einbaublock für einen Kabelanschlußkasten

Also Published As

Publication number Publication date
ATE257623T1 (de) 2004-01-15
DE50101281D1 (de) 2004-02-12
EP1156558A2 (fr) 2001-11-21
EP1156558A3 (fr) 2002-03-27
DE10024560A1 (de) 2001-11-22
ES2208475T3 (es) 2004-06-16

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