EP3673547B1 - Combinaison d'appareils servant à la protection de réseaux électriques contre des surtensions ou des surintensités - Google Patents

Combinaison d'appareils servant à la protection de réseaux électriques contre des surtensions ou des surintensités Download PDF

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Publication number
EP3673547B1
EP3673547B1 EP19733743.9A EP19733743A EP3673547B1 EP 3673547 B1 EP3673547 B1 EP 3673547B1 EP 19733743 A EP19733743 A EP 19733743A EP 3673547 B1 EP3673547 B1 EP 3673547B1
Authority
EP
European Patent Office
Prior art keywords
plug
module
socket
base
contacts
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
EP19733743.9A
Other languages
German (de)
English (en)
Other versions
EP3673547B8 (fr
EP3673547A1 (fr
Inventor
Richard Daum
Juliane KLOSE
Michael Waffler
Sebastian Haas
Patrick SPANGLER
Michael Weissflog
Dietmar Dürr
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.)
Dehn SE and Co KG
Original Assignee
Dehn and Soehne 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
Priority claimed from DE102018118807.2A external-priority patent/DE102018118807A1/de
Priority claimed from DE102019116242.4A external-priority patent/DE102019116242A1/de
Application filed by Dehn and Soehne GmbH and Co KG filed Critical Dehn and Soehne GmbH and Co KG
Publication of EP3673547A1 publication Critical patent/EP3673547A1/fr
Publication of EP3673547B1 publication Critical patent/EP3673547B1/fr
Application granted granted Critical
Publication of EP3673547B8 publication Critical patent/EP3673547B8/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R9/2425—Structural association with built-in components
    • H01R9/2441—Structural association with built-in components with built-in overvoltage protection
    • 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
    • H01T4/04—Housings
    • 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 combination for protecting electrical networks from overvoltages or overcurrents, consisting of an essentially U-shaped base and at least one plug-in module that can be plugged or slid onto the base, the base connecting terminals for connection to the respective network and has plug contacts connected to the connection terminals, which are complementary to mating plug contacts or contact tongues of the plug-in module, furthermore the plug-in module has a housing which accommodates one or more lightning current arresters and/or surge arresters and the mating plug contacts or contact tongues penetrate a bottom side of the housing according to the preamble of claim 1 , as from the DE 10 2008 017 423 A1 famous.
  • the DE 20 2010 012 860 U1 describes a device combination for protection against overvoltages.
  • a spring member is provided that changes the position of a base and a pluggable module from a working position to a parking position to facilitate removal of the rear module.
  • the DE 10 2005 052 667 A1 describes a pluggable combination of devices for protection against overvoltages, with means for changing the distance between a U-shaped base and a plug-in module.
  • the DE 10 2006 006 914 A1 describes a housing with fastening nickels for fixing to a support element, wherein a straightening element is embedded within the housing, which interacts with a lever device via which an electrical connector fastened on the support element adjacent to the housing can be detached.
  • Surge arresters designed as a combination of devices comprising a base and plug-in parts which are held by the base and which hold the actual surge arrester elements have been part of the prior art for many years.
  • the permanent correct energy supply is of great importance for the operational safety of electrical machines, systems and devices.
  • damage to the network and consumers through overvoltages or overcurrents must be prevented over the long term.
  • the known overvoltage protection devices become active in the event of overvoltages or overload and are able to divert transient overvoltages or switch off a faulty circuit.
  • overvoltage protection devices are often implemented as pluggable device combinations, with a base forming a lower part and a plug-in module forming an upper part.
  • a surge or short-circuit current can flow for a short time that exceeds the normal rated current of the network by a multiple. Due to high short-circuit currents, there are strong magnetic forces which, under certain circumstances, can result in the actual overvoltage element being pushed out of the base part.
  • the plug-in contacts, mating plug-in contacts or contact tongues can be designed in such a way that there is not only a non-positive but also a positive connection between them in the plugged-in state. In such a case, however, the large forces involved in pulling the plug-in module out of the socket are problematic.
  • a fastening device in the form of a rotary bolt with a corresponding counter-opening in the form of a groove is proposed, which is arranged as an easy-to-operate rotary bolt that can be released using a screwdriver in the base part and creates a positive connection and locking between the base and plug part.
  • the fastening device between the base and plug part in the form of a twist lock prevents a plug part from being unintentionally pulled out of the base part and also ensures the tight fit of the contact connections between the sockets of the base part and the corresponding plug pins of the plug part.
  • the tight fit of the contact terminals is achieved in that the fastening device simultaneously engages in the base and plug part in the locking position and thus ensures a form fit between the two elements.
  • the head part of the bolt contains a profile which is suitable for receiving a tool.
  • the object of the invention to specify a further developed device combination for protecting electrical networks against overvoltage or overcurrents, which consists of a U-shaped base and at least one plug-in module that can be plugged or slid onto the base, the device combination having a defined release should allow the whereabouts of the plug-in module in the base and in principle there is the possibility of fixing the plug-in module in almost any position in relation to the U-shaped base in a fully but also partially plugged-in state.
  • the device combination consists of a known, essentially U-shaped base and at least one plug-in module that can be plugged or slid onto the base.
  • the base has connection terminals for connection to the respective network and plug-in contacts connected to the connection terminals.
  • plug contacts are complementary to mating plug contacts or contact tongues of the plug-in module.
  • the plug-in module has a housing which accommodates one or more lightning arresters and/or surge arresters.
  • the mating plug contacts or the contact tongues penetrate a bottom side of the housing in such a way that a secure connection to the plug contacts in the base can take place.
  • the components contained in the plug-in module can also be a switch/spark gap combination, so that the device combination can also be operated without a back-up fuse.
  • means are provided for changing the position and the distance between the plug contacts and the mating plug contacts or contact tongues.
  • the plug-in module can be removed and replaced, measured or checked with very little mechanical effort. Due to the fact that the electrical contact connection is already released in the parking position, only the small amount of force mentioned is necessary to completely remove the plug-in module. This removal can be done without tools.
  • a spindle for converting a rotational movement into a longitudinal movement is arranged between the U-shaped base and the plug-in module.
  • This arrangement is such that the plug-in module can be moved in the direction of the U-shaped base but also away from it and is held in a respective position.
  • the spindle is rotated in such a way that the plug-in module moves out of the U-shaped base. This movement continues until a sufficient separation distance between the plug contacts and the mating plug contacts or contact tongues is reached. When the relevant disconnection or release position is reached, the spindle remains in engagement with a threaded hole located in the base base, the thread of which is implemented as complementary to the thread of the spindle.
  • the spindle is rotatably mounted in the plug-in module and is accessible from the top side of the plug-in module, the already mentioned threaded bore complementary to the spindle being arranged in the base.
  • the spindle can be rotatably mounted in the base, with the threaded hole complementary to the spindle being located in the base, that is to say in the underside of the plug-in module.
  • At least one of the side surfaces of the plug-in module pointing toward the U-shaped base has a guide groove which is complementary to a guide projection or a guide rail on at least one side wall of the U-shaped base.
  • the side wall that is opposite when the plug-in module is inserted is considered.
  • the guide projection or the guide rail is spring-mounted or spring-loaded in the side wall, so that when the plug-in module moves in the direction of the base base or from the base base upwards, the guide projection or the guide rail is displaced in the direction of the side wall and when it reaches a congruent position with the guide groove in the Plug-in module enters this groove.
  • the congruent position preferably corresponds to the necessary separation distance for unlocking the plug-in module in relation to the base.
  • the change in position of the guide projection or the guide rail can be seen in a viewing window in the base.
  • the spring-loaded and spring-loaded guide rail enters the corresponding groove in the plug-in module with a corresponding longitudinal movement of the plug-in module in relation to the base, so that it closes a tangible detent.
  • This moment of entry can be recognized in the viewing window, for example by a color change, due to the movement of the guide rail. The installer or system operator can then easily determine that the plug-in module is in an unlocked state.
  • the plug-in part can ultimately be removed from the base.
  • the plug-in module is inserted into the base in the opposite way.
  • the plug-in module When the plug-in module reaches a position within the base which is characterized by the guide projection or the guide rail entering the guide groove, the desired contact separation is present.
  • the plug-in module can also be pushed laterally into the U-shaped base and then by means of the spindle a movement of the plug-in module in the direction of the base floor for contacting.
  • Lateral sliding can be limited by a fixed or detachable stop, which is located in or on the base. This effect of the stop ensures that the correct desired position between the plug contacts and the mating plug contacts is reached before the plug-in module is moved in the direction of the base base for contacting.
  • the stop or stops can be designed as lateral boundary walls that can be pushed into the base, with the boundary walls in one embodiment having a centering bevel on their upper side for easier insertion of the plug-in module from above in the direction of the base.
  • a first viewing window can be formed in the insertion direction of the plug-in module and a second viewing window in the insertion direction of the plug-in module in order to also be able to see from the front whether the plug-in module is in an unlocked state or not.
  • the device combination shown in the figures for protecting electrical networks against overvoltages or overcurrents is based on a base 1 and at least one plug-in module 2 that can be plugged or slid onto the base.
  • the base 1 has terminals 3 for connection to the respective
  • plug-in contacts connected to the connection terminals in the base, which are located behind or under slit-shaped openings 4 in the bottom area of the base 1 .
  • the plug-in contacts in the base 1 are complementary to mating plug-in contacts of the plug-in module 2 designed as contact tongues 5 .
  • the plug-in module 2 includes a housing that accommodates one or more lightning current arresters and/or surge arresters inside the housing.
  • the contact tongues 5 penetrate a side section or a side bottom section of the plug-in module 2.
  • a spindle 6 acts between the base 1 and the plug-in module 2 (see 4 ), which serves to convert a rotational movement into a longitudinal movement, such that the plug-in module 2 can be moved in the direction of the base 1 and away from it, depending on the direction of rotation of the spindle, and is held in the respective position.
  • the spindle 6 is rotatably mounted in the plug-in module 2 and is accessible from the plug-in module top 20 of the plug-in module 2 .
  • the spindle can have a screw head, a polygonal head or similar head formation 21 on its upper side for receiving a tool.
  • At least one of the side faces 22 of the plug-in module 2 has a guide groove 7 .
  • These guide grooves 7 are complementary to guide rails 8 mounted in a spring-loaded manner in the base in the region of the side walls 100 of the base 1 .
  • the respective guide rails 8 enter the corresponding groove 7 .
  • the plug-in module 2 is held in relation to the base 1, with the change in position of the guide rails 8 being recognizable in a viewing window 9 in the base 1.
  • a rotary movement can be converted into a longitudinal movement using the spindle 6 with the head 21 .
  • the plug-in module 2 is pulled into the base 1 and screwed to it, as it were.
  • the desired electrical contact security and secure mechanical fixation is present.
  • the display in the viewing window 9 changes, for example from the original green (released) to red (plug-in module contacted).
  • FIGS. 1 to 3 show a sequence of the possibility of inserting the plug-in module 2 in relation to the base 1 from the right, using the guide grooves 7 in connection with the spring-loaded guide rails 8.
  • the lateral insertion of the plug-in module 2 can be limited by a fixed or detachable stop 10, which is located in the base 1 or is used there.
  • stops 10 used on both sides relative to the base can have an inclined surface 11 in order to facilitate the insertion of the plug-in module 2 from above.
  • the respective stops 10 can be designed as lateral boundary walls that can be used in the base.
  • the respective plug-in module 2 can also be inserted into a plug-in part 1 in the classic way from above.
  • the plug-in module 2 moves further in the direction of the base 1.
  • the spring-loaded guide rails 9 are pressed into associated recesses in the corresponding side wall 100, so that the screwing-in movement of the plug-in module 2 until it reaches the complete end position with a secure electrical connection is executed. In this regard, a change in the display in the viewing window 9 then takes place.
  • the viewing window 9 is supplemented by at least one other end-side viewing window 90 in the base 1, so that it can be seen under all circumstances whether the plug-in module is electrically isolated or whether the desired contact connection to the base is present.
  • the figure 12 shows a cross-sectional view through a device combination with base 1 and plug-in module 2 that can be fixed in base 1 and rotated or pivoted about its axis, shown initially in the working position with closed contact connections between plug-in contacts 500 designed as spring contacts and contact tongues 5, the arrow showing the direction of the necessary turning or pivoting movement is symbolized in order to reach the parking position, that is, the unlocked disengaged position.
  • a latching fixation takes place. This is done by resorting to locking recesses 100, which are provided on the plug-in part 2, in particular on its housing, in connection with spring-loaded locking lugs 101, which are guided on the base.
  • the plug-in part 2 is in turn fixed by resorting to recesses 100 attached or provided on the plug-in part in connection with latching lugs 101 .
  • position switch 102 can be provided to a To be able to make a distinction with regard to the working position reached or the present activation release position.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (8)

  1. Combinaison d'appareils servant à la protection de réseaux électriques contre les surtensions ou les surintensités, constituée d'un socle (1) sensiblement en forme de U et d'au moins un module enfichable (2) pouvant être enfiché ou poussé sur le socle (1), dans laquelle le socle (1) présente des bornes de raccordement (3) pour la liaison au réseau respectif et à des contacts enfichables (500) reliés aux bornes de raccordement (3), qui sont complémentaires de contre-contacts enfichables ou de languettes de contact (5) du module enfichable (2), dans laquelle le module enfichable (2) présente en outre un boîtier qui reçoit un ou plusieurs parafoudres et/ou parasurtenseurs et les contre-contacts enfichables ou languettes de contact (5) traversent un côté de fond du boîtier,
    caractérisée en ce
    que des moyens sont prévus pour modifier la position et la distance entre les contacts enfichables (500) et les contre-contacts enfichables ou languettes de contact (5), dans laquelle, à partir d'une position de travail avec une liaison électrique fermée, capable de supporter des courants de choc entre le module enfichable (2) et le socle (1), il est possible de sélectionner une position de parking dans laquelle les contacts enfichables (500) et les contre-contacts enfichables ou languettes de contact (5) se trouvent dans une position déconnectée et désengagée, avec une distance qui correspond à la distance de séparation électrique nécessaire et aux lignes d'air et de fuite requises, le module enfichable (2) étant cependant toujours maintenu ou fixé sur le socle (1) ; une broche (6) destinée à convertir un mouvement de rotation en un mouvement longitudinal est disposée entre le socle (1) et le module enfichable (2) de telle sorte que le module enfichable (2) peut être déplacé en direction du socle (1) et éloigné de celui-ci et est maintenu dans la position respective afin d'obtenir à la fois une liaison électrique enfichable sûre entre les contacts enfichables et les contre-contacts enfichables et une déconnexion définie par séparation du contact ; et la broche (6) est montée rotative dans le module enfichable (2) et accessible par le côté supérieur de module enfichable (20), un alésage fileté complémentaire de la broche (6) étant disposé dans le socle (1).
  2. Combinaison d'appareils selon la revendication 1, caractérisée en ce
    qu'au moins une des faces latérales (20) du module enfichable (2) tournée vers le socle en forme de U (1) présente une rainure de guidage (7) qui est complémentaire d'une saillie de guidage ou d'un rail de guidage (8) sur au moins une paroi latérale (100) du socle en forme de U (1), la saillie de guidage ou le rail de guidage (8) étant monté(e) de manière élastique ou inséré(e) de manière élastique dans la paroi latérale (100) de sorte que, lors d'un déplacement du module d'enfichage (2) en direction du fond de socle (101) ou vers le haut à partir du fond de socle (101), la saillie de guidage ou le rail de guidage (8) se déplace en direction de la paroi latérale (100) et, lorsqu'elle ou il atteint une position correspondant à la rainure de guidage (7) dans le module d'enfichage (2), entre dans cette rainure (7), le changement de position de la saillie de guidage ou du rail de guidage (8) étant visible dans une fenêtre de visualisation (9) dans le socle (1).
  3. Combinaison d'appareils selon la revendication 2, caractérisée en ce
    que, lorsque le module enfichable (2) atteint une position à l'intérieur du socle (1) qui est marquée par l'entrée de la saillie de guidage ou du rail de guidage (8) dans la rainure de guidage (7), la séparation du contact est réalisée.
  4. Combinaison d'appareils selon la revendication 2 ou 3, caractérisée en ce
    que le module enfichable (2) peut être inséré latéralement dans le socle en forme de U (1) au moyen de la rainure de guidage (7) et de la saillie de guidage ou du rail de guidage (8) et un déplacement du module enfichable (2) en direction du fond de socle (101) pour l'établissement du contact est ensuite réalisable au moyen de la broche (6).
  5. Combinaison d'appareils selon la revendication 4, caractérisée en ce
    que l'insertion latérale est limitée par une butée fixe ou amovible (10) qui se trouve dans le socle (1).
  6. Combinaison d'appareils selon la revendication 5, caractérisée en ce
    que la ou les butées (10) sont réalisées sous la forme de parois de délimitation latérale qui peuvent être insérées dans le socle (1).
  7. Combinaison d'appareils selon la revendication 6, caractérisée en ce
    que les parois de délimitation présentent un biais de centrage (11) sur leur côté supérieur pour faciliter l'introduction du module enfichable (2) par le haut en direction du socle (1).
  8. Combinaison d'appareils selon les revendications 2 et 7, caractérisée en ce
    qu'une première fenêtre de visualisation (9) dans la direction d'enfichage du module d'enfichage (2) et une deuxième fenêtre de visualisation (90) dans la direction d'insertion du module d'enfichage (2) sont formées dans le socle (1).
EP19733743.9A 2018-06-27 2019-06-25 Combinaison d'appareils servant à la protection de réseaux électriques contre des surtensions ou des surintensités Active EP3673547B8 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102018115483 2018-06-27
DE102018118807.2A DE102018118807A1 (de) 2018-06-27 2018-08-02 Gerätekombination zum Schutz von elektrischen Netzen vor Überspannungen oder Überströmen
DE102019116242.4A DE102019116242A1 (de) 2019-06-14 2019-06-14 Gerätekombination zum Schutz von elektrischen Netzen vor Überspannungen oder Überströmen
PCT/EP2019/066773 WO2020002295A1 (fr) 2018-06-27 2019-06-25 Combinaison d'appareils servant à la protection de réseaux électriques contre des surtensions ou des surintensités

Publications (3)

Publication Number Publication Date
EP3673547A1 EP3673547A1 (fr) 2020-07-01
EP3673547B1 true EP3673547B1 (fr) 2022-02-23
EP3673547B8 EP3673547B8 (fr) 2022-03-30

Family

ID=68986453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19733743.9A Active EP3673547B8 (fr) 2018-06-27 2019-06-25 Combinaison d'appareils servant à la protection de réseaux électriques contre des surtensions ou des surintensités

Country Status (5)

Country Link
US (1) US11876334B2 (fr)
EP (1) EP3673547B8 (fr)
JP (1) JP7348212B2 (fr)
CN (1) CN112438002A (fr)
WO (1) WO2020002295A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022202134A1 (de) 2022-03-02 2023-09-07 Dehn Se Teilbares überspannungsschutzgerät und steckmodul für ein teilbares überspannungsschutzgerät

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DE102006006914A1 (de) * 2006-02-15 2007-08-23 Phoenix Contact Gmbh & Co. Kg Gehäuse mit Befestigungsmittel zur Fixierung auf einem Tragelement
DE202010012860U1 (de) * 2010-09-20 2010-11-25 Obo Bettermann Gmbh & Co. Kg Gerätekombination zum Schutz vor Überspannungen

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DE102010033179B4 (de) 2010-08-03 2012-10-25 Phoenix Contact Gmbh & Co. Kg Elektrische Schaltungsanordnung für ein Überspannungsgerät und ebensolches Überspannungsschutzgerät
JP5504125B2 (ja) * 2010-10-08 2014-05-28 株式会社サンコーシヤ 保安器
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DE102014102733B4 (de) 2014-02-28 2015-12-17 Phoenix Contact Gmbh & Co. Kg Steckbare Gerätekombination
DE202014004396U1 (de) * 2014-05-26 2014-09-01 Dehn + Söhne Gmbh + Co. Kg Adapter zur Montage von als Steckmodule ausgeführten ein- oder mehrpoligen Überspannungsschutzgeräten sowie Verwendung eines derartigen Adapters
US10186393B2 (en) * 2016-05-16 2019-01-22 Eaton Intelligent Power Limited Surge protector switch disconnect modules and devices
DE202016005616U1 (de) 2016-09-10 2016-11-04 Jan Bilin GmbH Überspannungsschutzgerät
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DE102005052667A1 (de) * 2005-03-22 2006-10-05 Dehn + Söhne Gmbh + Co. Kg Steckbare Gerätekombination, insbesondere zum Schutz vor Überspannungen
DE102006006914A1 (de) * 2006-02-15 2007-08-23 Phoenix Contact Gmbh & Co. Kg Gehäuse mit Befestigungsmittel zur Fixierung auf einem Tragelement
DE202010012860U1 (de) * 2010-09-20 2010-11-25 Obo Bettermann Gmbh & Co. Kg Gerätekombination zum Schutz vor Überspannungen

Also Published As

Publication number Publication date
US11876334B2 (en) 2024-01-16
EP3673547B8 (fr) 2022-03-30
US20210280995A1 (en) 2021-09-09
CN112438002A (zh) 2021-03-02
WO2020002295A1 (fr) 2020-01-02
EP3673547A1 (fr) 2020-07-01
JP7348212B2 (ja) 2023-09-20
JP2021528816A (ja) 2021-10-21

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