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EP2263757B1 - Pince pare-feu - Google Patents

Pince pare-feu Download PDF

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Publication number
EP2263757B1
EP2263757B1 EP10158739.2A EP10158739A EP2263757B1 EP 2263757 B1 EP2263757 B1 EP 2263757B1 EP 10158739 A EP10158739 A EP 10158739A EP 2263757 B1 EP2263757 B1 EP 2263757B1
Authority
EP
European Patent Office
Prior art keywords
housing
tension spring
fire protection
electrical conductor
fire
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.)
Not-in-force
Application number
EP10158739.2A
Other languages
German (de)
English (en)
Other versions
EP2263757A1 (fr
Inventor
Holger Spelsberg
Andreas Scheib
Zbigniew Zborowski
Dirk Quardt
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.)
Guenther Spelsberg GmbH and Co KG
Original Assignee
Guenther Spelsberg 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 Guenther Spelsberg GmbH and Co KG filed Critical Guenther Spelsberg GmbH and Co KG
Publication of EP2263757A1 publication Critical patent/EP2263757A1/fr
Application granted granted Critical
Publication of EP2263757B1 publication Critical patent/EP2263757B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/527Flameproof cases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/4811Spring details
    • H01R4/4816Spring details the spring shape preventing insertion of the conductor end when the spring is unbiased
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484Spring housing details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/48Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/484Spring housing details
    • H01R4/4842Spring housing details the spring housing being provided with a single opening for insertion of a spring-activating tool

Definitions

  • the invention relates to a fire protection clamp for electrical conductors, with a housing and a clamping spring.
  • the fire resistance also called fire resistance
  • the fire resistance is measured by the duration for which a component retains its function in case of fire.
  • Conventional fire resistance classes also referred to as fire protection classes, are according to DIN 4102, for example E30, E60 or E90, the code letter E stands for electrical installations, in particular electrical installation duct or installation cables, and the number 30, 60 or 90 indicates that the component in case of fire at least 30, 60 or 90 minutes fulfilled its function.
  • a fire protection clamp for electrical conductors with a housing and a clamping spring, wherein the clamping spring is arranged in the housing, the electrical conductor with the clamping spring is electrically conductively connected, and the housing of a non-conductive inorganic material with a melting point ⁇ 1000 ° C is executed.
  • a fire protection clamp for electrical conductors is specified, which retains its function in case of fire, so in the event of fire causes a secure electrically conductive connection between the electrical conductor and the clamping spring.
  • the fire protection clamp according to the invention thus allows in a particularly simple manner, the production of an electrical connection between the electrical conductor and the clamping spring, which due to the non-conductive inorganic material with a melting point ⁇ 1000 ° C housing a functional integrity in case of fire allowed, in addition to the fire protection clamp Compared to the known from the prior art fire protection distribution housings significantly space-saving feasible.
  • the clamping spring can be designed as a clamping spring known from the prior art for a terminal, for example a terminal block.
  • the electrical conductor may be designed as an electrical conductor known from the prior art, that is, for example, as a cable or a line. In this context, it is preferred that the electrical conductor by means of the clamping spring is electrically conductively connected by clamping.
  • the housing can be made of any non-conductive inorganic material having a melting point ⁇ 1000 ° C. It is also preferred that the melting point is ⁇ 800 ° C, ⁇ 1200 ° C or ⁇ 1500 ° C. According to a preferred embodiment of the invention, however, it is provided that the non-conductive inorganic material having a melting point ⁇ 1000 ° C from the group or a composite material comprising ceramic, alumina and / or silicate is performed. Accordingly, it is therefore preferred, for example, that the non-conductive inorganic material having a melting point ⁇ 1000 ° C., from which the housing is made, is embodied, for example, as a ceramic or from a ceramic composite material.
  • the housing in which the clamping spring is arranged for electrically conductive connection to the electrical conductor, is made of ceramic.
  • a fire protection clamp with a housing made of ceramic or of a non-conductive inorganic material with a melting point ⁇ 1000 ° C ensures functional integrity in case of fire, so in the smallest space a secure electrical connection between the electrical conductor and the clamping spring in Fire is possible.
  • the nonconductive inorganic material having a melting point ⁇ 1000 ° C. is chosen such that the fire protection clamp enables a functional integrity of 30 minutes, 60 minutes or 90 minutes in accordance with DIN 4102. It is therefore preferable for the fire protection clamp according to the invention to have the capability proofing defined in DIN 4102 for functional integrity in case of fire, that is the requirements of the fire resistance classes defined in DIN 4102, such as a functional performance in case of fire of 30 minutes, 60 minutes or 90 minutes, is sufficient. Accordingly, it is therefore preferred that the nonconductive inorganic material having a melting point ⁇ 1000 ° C.
  • a fire protection clamp is provided, which enables functional integrity in case of fire in a particularly simple and favorable construction.
  • the non-conductive inorganic material is selected with a melting point ⁇ 1000 ° C such that the fire protection terminal electrical function maintenance between the electrical conductor and the clamping spring of 30 minutes, 60 minutes or 90 minutes according to DIN 4102 enabled.
  • the fire protection terminal allows a functional integrity according to the English standard BS 476 or the Canadian standard MBO-NBC.
  • the clamping spring is designed as a known from the prior art cage tension.
  • a cage tension spring for example, a stripped cable is clamped as an electrical conductor with the spring of the cage tension spring in the contact element of the cage clamp.
  • a cage tension allows a low operating and tooling costs and is further characterized by a high reliability, in particular the electrically conductive connection between the electrical conductor and the Käfigzugfeder.
  • the cage tension spring can be actuated by a tool and the housing forms an abutment for the tool when the tool is actuated.
  • the tool can be known from the prior art Tool, such as a screwdriver or a pen.
  • the housing made of a non-conductive inorganic material with a melting point ⁇ 1000 ° C, such as ceramic, is sufficiently strong, in particular "brittle", to form an abutment for the tool.
  • Actuation in this context preferably means an opening of the cage tension spring, for example for insertion of the electrical conductor into the cage tension spring.
  • the housing forms an abutment for the clamping spring and / or when connecting or disconnecting the electrical conductor of or with the clamping spring.
  • the fire protection clamp according to the invention can be particularly easily produced, since except the housing no additional material or component to form an abutment for the clamping spring and / or connecting or disconnecting the electrical conductor of or with the clamping spring is needed.
  • the clamping spring can be configured as desired. According to a further preferred embodiment of the invention, however, it is provided that the clamping spring is configured such that by inserting the electrical conductor into the housing, the clamping spring can be tensioned, and the electrical conductor inserted into the housing can be clamped by means of the clamped clamping spring. In this context, it is further preferred that the clamping spring can be prestressed by inserting the electrical conductor into the housing.
  • the clamping spring is preferably ausgestaltetbar such that the clamping spring electrically conductively contacts the electrical conductor self-clamping.
  • the housing has an opening enabling the actuation of the clamping spring and the electrical conductor can be released from the clamping spring by actuating the clamping spring through the opening.
  • a screwdriver or a pin may be provided which is insertable through the opening into the housing to release the clamping spring from the electrical conductor.
  • the clamping spring can be electrically conductively connected to any component.
  • a current bar is provided, the current bar is electrically conductively connected to the clamping spring and the current bar is led out of the housing.
  • the current bar can be embodied as any current bar known from the prior art.
  • the housing has an insertion opening for insertion of the electrical conductor into the housing.
  • a fire protection clamp for an electrical conductor 1 can be seen, with a housing 2 and a cage spring designed as a clamping spring 3.
  • the clamping spring 3 is disposed in the housing 2 and allows an electrically conductive connection to the electrical conductor 1, which in the present case as a cable with stripped cable end 4 is executed. Accordingly, the executed as a cable electrical conductor 1 with his stripped cable end 4 electrically connected to the clamping spring 3 by clamping, as shown in the figures.
  • the housing 2 For insertion of the electrical conductor 1 into the housing 2, the housing 2 has an insertion opening 5.
  • the housing 2 likewise has an opening 6 for insertion of a tool 7, wherein the clamping spring 3 designed as a cage tension spring can be actuated by means of the tool 7 such that the electrical conductor 1 can be detached from the clamping spring 3, as in FIG Fig. 2 indicated.
  • the housing 2 forms an abutment 8 for the tool 7.
  • the tool 7 is designed as a screwdriver.
  • the housing 2 is made of a non-conductive inorganic material having a melting point ⁇ 1000 ° C and executed according to the preferred embodiment of the invention made of ceramic. Accordingly, the housing 2 made of ceramic forms the abutment 8 for the tool 7.
  • the fire protection terminal according to the invention enables a functional integrity, ie an electrical function maintenance between the electrical Head 1 and the clamping spring 3, for example, 30 minutes, 60 minutes or 90 minutes according to DIN 4102.
  • a fire protection clamp for electrical conductors 1 is provided, which enables a safe electrically conductive connection between the electrical conductor 1 and the clamping spring 3 in a particularly simple and space-saving manner, while maintaining the function in case of fire, for example, according to DIN 4102 guaranteed.

Landscapes

  • Installation Of Indoor Wiring (AREA)

Claims (7)

  1. Pince pare-feu pour conducteur électrique (1), avec un boîtier (2) et un ressort de serrage (3), où
    le ressort de serrage (3) est disposé dans le boîtier (2),
    le conducteur électrique (1) peut être connecté électriquement de manière conductrice avec la pince de serrage (3), et
    le boîtier (2) est conçu à base d'un matériau non organique non conducteur avec un point de fusion ≥ 1000 °C,
    où le ressort de serrage (3) est conçu sous la forme d'un ressort de traction à cage, et
    le boîtier (2) forme une butée (8) pour le ressort de serrage (3) et/ou lors de la connexion, respectivement, de la libération du conducteur électrique (1) avec, respectivement d'avec, le ressort de serrage (3).
  2. Pince pare-feu selon la revendication 1, dans laquelle le matériau non organique non conducteur avec un point de fusion ≥ 1000 °C fait partie du groupe ou est conçu dans un matériau composite comprenant de la céramique, de l'argile et/ou du silicate.
  3. Pince pare-feu selon la revendication 1 ou 2, dans laquelle le ressort de traction à cage peut être actionné par un outil (7) et le boîtier (2) forme une butée (8) pour l'outil (7) lors de l'actionnement de l'outil (7).
  4. Pince pare-feu selon l'une des revendications précédentes, dans laquelle le ressort de serrage (3) est conçu de telle manière que, par l'insertion du conducteur électrique (1) dans le boîtier (2), le ressort de serrage (3) est étirable et le conducteur électrique (1) inséré dans le boîtier (2) peut être serré au moyen du ressort de serrage (3) ainsi étiré.
  5. Pince pare-feu selon l'une des revendications précédentes, dans laquelle le boîtier (2) présente une ouverture (6) permettant l'actionnement du ressort de serrage (3) et le conducteur électrique (1) peut être libéré par l'actionnement du ressort de serrage (3) par le ressort de serrage (3) à travers l'ouverture (6).
  6. Pince pare-feu selon l'une des revendications précédentes, dans laquelle il est prévu une barrette conductrice, la barrette conductrice est connectée de manière électriquement conductrice avec le ressort de serrage (3) et la barrette conductrice est conçue sortant du boîtier (2).
  7. Pince pare-feu selon l'une des revendications précédentes, dans laquelle le boîtier (2) présente un orifice d'insertion (5) pour l'insertion du conducteur électrique (1) dans le boitier (2).
EP10158739.2A 2009-06-19 2010-03-31 Pince pare-feu Not-in-force EP2263757B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009029942A DE102009029942A1 (de) 2009-06-19 2009-06-19 Brandschutzklemme

Publications (2)

Publication Number Publication Date
EP2263757A1 EP2263757A1 (fr) 2010-12-22
EP2263757B1 true EP2263757B1 (fr) 2018-01-10

Family

ID=42768531

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10158739.2A Not-in-force EP2263757B1 (fr) 2009-06-19 2010-03-31 Pince pare-feu

Country Status (3)

Country Link
EP (1) EP2263757B1 (fr)
DE (1) DE102009029942A1 (fr)
NO (1) NO2263757T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021106221U1 (de) 2021-11-15 2022-11-17 F-Tronic Gmbh Kontaktelement und Kontaktelementanordnung für elektrische Kabel sowie Träger für mehrere Kontaktelementanordnungen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE535687C2 (sv) * 2011-03-24 2012-11-06 Xylem Ip Holdings Llc Avdelare för dränkbar maskin
DE202011051596U1 (de) * 2011-10-11 2013-01-17 Obo Bettermann Gmbh & Co. Kg Elektrische Verbindungsklemme
CN109216979A (zh) * 2017-07-05 2019-01-15 泰科电子(上海)有限公司 连接器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711051A1 (de) * 1997-03-03 1998-09-10 Wago Verwaltungs Gmbh Elektrische Klemme

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DE1701597U (de) * 1955-03-28 1955-06-30 Bbc Brown Boveri & Cie Befestigungsanordnung einer reihenklemme an einer tragschiene.
FR2263627B1 (fr) * 1974-03-08 1976-12-10 Cables De Lyon Geoffroy Delore
JPS5760395U (fr) * 1980-09-29 1982-04-09
DE3570158D1 (en) * 1985-11-13 1989-06-15 Weidmueller C A Gmbh Co Terminals for side-by-side mounting
DE8911452U1 (de) * 1989-09-26 1989-12-07 Otto Vollmann GmbH & Co, 5820 Gevelsberg Halogen-Steckfassung
DE4016160A1 (de) * 1990-05-19 1991-11-28 Erdoelchemie Gmbh Gehaeuseanordnung fuer brandgefaehrdete installationen
DE4220317A1 (de) * 1992-06-22 1993-12-23 Dunkel Otto Gmbh Vorrichtung zum Schutz bzw. zum Verbinden elektrischer Stromkreise
DE19641206C2 (de) * 1996-09-25 1999-12-23 Wago Verwaltungs Gmbh Anschlußklemme für elektrische Leiter
DE20119413U1 (de) * 2001-11-30 2002-04-04 DB Bahnbau Deutsche Bahn Gruppe, 10179 Berlin Wandbefestigtes Installationsgehäuse für den Einbau elektrischer Komponenten
DE10163055B4 (de) * 2001-12-21 2004-07-08 Bjb Gmbh & Co.Kg Lampenfassung, insbesondere Fassung für Halogen-Hochvoltlampen
FR2843496B1 (fr) * 2002-08-06 2004-12-24 Entrelec Bloc de jonction electrique a fenetre autobloquante

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19711051A1 (de) * 1997-03-03 1998-09-10 Wago Verwaltungs Gmbh Elektrische Klemme

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202021106221U1 (de) 2021-11-15 2022-11-17 F-Tronic Gmbh Kontaktelement und Kontaktelementanordnung für elektrische Kabel sowie Träger für mehrere Kontaktelementanordnungen
WO2023083730A1 (fr) 2021-11-15 2023-05-19 F-Tronic Gmbh Élément de contact, ensemble élément de contact pour conducteurs électriques et support pour ensembles élément de contact multiples

Also Published As

Publication number Publication date
NO2263757T3 (fr) 2018-06-09
DE102009029942A1 (de) 2010-12-30
EP2263757A1 (fr) 2010-12-22

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