EP0637099A2 - Barrettes à bornes munies de dispositifs de protection contre les surtensions - Google Patents

Barrettes à bornes munies de dispositifs de protection contre les surtensions Download PDF

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Publication number
EP0637099A2
EP0637099A2 EP94106796A EP94106796A EP0637099A2 EP 0637099 A2 EP0637099 A2 EP 0637099A2 EP 94106796 A EP94106796 A EP 94106796A EP 94106796 A EP94106796 A EP 94106796A EP 0637099 A2 EP0637099 A2 EP 0637099A2
Authority
EP
European Patent Office
Prior art keywords
terminal block
busbar
contact
spring
elements
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.)
Granted
Application number
EP94106796A
Other languages
German (de)
English (en)
Other versions
EP0637099A3 (fr
EP0637099B1 (fr
Inventor
Dietmar Horn
Klaus Strate
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.)
Weidmueller Interface GmbH and Co KG
Original Assignee
Weidmueller Interface 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 Weidmueller Interface GmbH and Co KG filed Critical Weidmueller Interface GmbH and Co KG
Publication of EP0637099A2 publication Critical patent/EP0637099A2/fr
Publication of EP0637099A3 publication Critical patent/EP0637099A3/fr
Application granted granted Critical
Publication of EP0637099B1 publication Critical patent/EP0637099B1/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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/922—Telephone switchboard protector

Definitions

  • the invention relates to a terminal block arrangement consisting of 2 or more terminal blocks with inserted overvoltage protection elements and a transverse busbar, with an electrical connection of the contact elements of the overvoltage protection element on the one hand to the busbar of the respective terminal block and on the other hand to the busbar.
  • Terminal block arrangements of the generic type are used, for example, in control cabinets in order to protect sensitive electronic components from being destroyed by overvoltage pulses occurring in the electrical supply network. If such overvoltages occur, they are supplied to an existing grounding potential with the aid of the overvoltage protection element, the protection circuit becoming unusable, so that a harmful influence on the electrical components connected to the terminal block is excluded. After the occurrence of overvoltages, the housing of the overvoltage protection elements usually change color and are then exchanged for intact elements. Terminal blocks with surge protection devices are known from the catalog of the Fudji Electric company, in which the contact elements of the Intervene overvoltage elements in holding elements, which must be electrically conductive and which are connected to the busbar.
  • the object of the present invention is therefore to create a terminal block arrangement of the generic type which, due to its construction, has particularly favorable electrical properties at low manufacturing costs.
  • This object is achieved in that directly contacting spring elements are provided for the electrical connection of the contact elements of the overvoltage protection.
  • the direct contact of the contact elements to the busbar or to the busbar saves at least two current transfer points, depending on the design of conventional terminal block arrangements of the generic type, ie two current transfer resistors are omitted.
  • the spring elements used for electrical contacting only have the purely mechanical function of providing the contact force necessary for good current transfer between the contact elements and the busbar or busbar. When choosing the material for these spring elements, you can rely entirely on the Focus optimal spring properties for the spring elements used. In addition, the non-existent flow of current through the spring elements helps to prevent the material material from showing signs of aging, which may result from the heating caused by the flow of current. This is particularly important where the time intervals between the replacement of surge protective devices are relatively long.
  • the construction of the terminal blocks according to the invention is also to be regarded as particularly cost-effective from the point of view of manufacture and assembly, since only two spring elements that are simple to produce are required, which are inserted into the housing without additional connection work as part of the terminal block assembly.
  • This also has the advantage that the function of the terminal block can be changed or expanded in a simple manner by retrofitting terminal blocks with two spring elements, a busbar and a surge protection device. The insertion of the spring elements can basically be done from any direction in a flexible manner.
  • terminal blocks are usually fixed within control cabinets on standardized mounting rails, it can be used for the application that these mounting rails are also used as the busbars carrying the earthing potential, the contacting by means of a spring element with the then Carry out the contact foot in the terminal block that is electrically connected to the busbar.
  • the design of the spring elements in the form of a U-shaped base body with two opposing one-sided elongated spring legs, which are convexly curved at their free end facing away from the base body, fulfills the purpose of the spring element in a particularly simple and inexpensive manner to provide sufficient contact force.
  • the two contact elements 8 of the overvoltage protection element 2 are inserted through housing openings 17 into the terminal block housing 10 in such a way that one contact element 8 touches the busbar 5 laterally and the other contact element touches one leg of the busbar 4 which runs in a U-shaped manner in the housing.
  • the mechanical contact force between busbar 4, busbar 5 and the respective contact elements 8 is generated by spring elements 6.
  • the structure of this spring element is illustrated in FIG. 2 by the enlarged perspective representation of part of the busbar 4, the contact element 8 and the spring element 6.
  • the spring element 6 has a U-shaped base body 20, which engages around the busbar 4 on one side.
  • the two legs of the U-shaped base body 20 are extended on one side upwards and form the spring legs 21 and 22.
  • the free ends of the spring legs 21 and 22 facing away from the base body are curved convexly at their ends, so that there is a gap between them mutually facing surfaces of the spring legs 21 and 22 due to the curvature results in a smaller distance than that of the two legs in the area of the base body 20.
  • the outer curvatures of the spring legs 21 and 22 thus form two contact surfaces 23 and 24, between which the busbar 4 and 1 arranged next to one another Contact element 8 of the surge protector 2 are pressed against each other.
  • the spring elements 6 can be made of metal, but it is equally conceivable to use the special elastic properties of certain plastics to provide the necessary contact force.
  • FIG. 3 shows a construction variant of a terminal block with overvoltage protection element, in which the overvoltage protection element 2 is not arranged in a recess on the top of the terminal block housing 10, but is located on the side next to the housing.
  • the busbar 4 is likewise provided with two terminal connections 12 and is guided in a straight line from one side to the other side of the terminal block housing 10.
  • the Busbar 4 has a U-shaped part 9 bent downward in the direction of the mounting rail, one leg of the U-shaped part being aligned parallel to horizontal folds 33 of mounting rail 3. The distance between the fold 33 and the parallel leg of the part 9 is dimensioned such that it essentially corresponds to the distance between the two contact elements 8 of the overvoltage protection element 2.
  • the contact elements 8 are inserted through lateral openings 35 in the terminal block housing 10, their ends touch the top of the fold 33 and the underside of the leg of the part 9, with a spring element 6 being arranged at each point of contact so that the necessary contact forces are caused by the Spring legs 21 and 22 can be applied.
  • This arrangement of the overvoltage protection element 2 has the particular advantage that the busbar required for guiding the ground potential in the exemplary embodiment in FIG. 1 can be omitted in the exemplary embodiment in FIG. 3 if the mounting rail 3 is connected to the ground potential.
  • FIG. 4 shows a terminal block in which a contact element 8 of the overvoltage protection element 2 is electrically connected to a contact foot 30.
  • the contact foot 30 usually fulfills both the mechanical function of clamping the terminal block on the mounting rail 3 and also an electrical connection to the mounting rail 3, which in this application serves as the busbar carrying the earth potential.
  • the contact foot 30 has a contact tab 32 which is at an angle of 90 degrees to the upper side of the terminal block housing and which is simply touched laterally by one of the contact elements 8 of the overvoltage protection element 2.
  • the other contact element 8 touches one laterally at an angle from here to the A spring element 6 is arranged in each case for providing the contact force.

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Thermistors And Varistors (AREA)
EP94106796A 1993-07-30 1994-04-30 Barrettes à bornes munies de dispositifs de protection contre les surtensions Expired - Lifetime EP0637099B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4325614 1993-07-30
DE4325614A DE4325614C2 (de) 1993-07-30 1993-07-30 Reihenklemmenanordnung mit Überspannungsschutzorganen

Publications (3)

Publication Number Publication Date
EP0637099A2 true EP0637099A2 (fr) 1995-02-01
EP0637099A3 EP0637099A3 (fr) 1996-07-03
EP0637099B1 EP0637099B1 (fr) 1998-03-18

Family

ID=6494081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94106796A Expired - Lifetime EP0637099B1 (fr) 1993-07-30 1994-04-30 Barrettes à bornes munies de dispositifs de protection contre les surtensions

Country Status (5)

Country Link
US (1) US5411417A (fr)
EP (1) EP0637099B1 (fr)
AT (1) ATE164265T1 (fr)
DE (2) DE4325614C2 (fr)
ES (1) ES2113571T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009112320A1 (fr) * 2008-03-08 2009-09-17 Weidmüller Interface GmbH & Co. KG Bloc de raccordement à fonctions extensibles et module
US9300060B2 (en) 2014-03-07 2016-03-29 Wago Verwaltungsgesellschaft Mbh Terminal

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19537528C2 (de) * 1995-09-29 2000-01-13 Krone Ag Anschlußeinrichtung für die Fernmelde- und Datentechnik
DE9415801U1 (de) * 1994-10-01 1994-12-15 F. Wieland Elektrische Industrie Gmbh, 96052 Bamberg Elektrische Anschlußklemmleiste
DE19608517C2 (de) * 1996-03-05 2000-11-09 Quante Ag Anschlußmodul für die Telekommunikationstechnik
DE29720704U1 (de) 1997-11-21 1998-01-15 WECO Wester, Ebbinghaus GmbH & Co. KG, 63452 Hanau Elektrische Anschlußklemme
US5993267A (en) * 1998-03-16 1999-11-30 Lin; Y. S. Terminal block
DE29806691U1 (de) 1998-04-15 1998-05-28 Weidmüller Interface GmbH & Co, 32760 Detmold Montagefuß für anreihbare Einbaugehäuse oder Klemmen
DE29901194U1 (de) 1999-01-25 1999-05-20 Weidmüller Interface GmbH & Co., 32760 Detmold Busleiterabschnitt für ein elektrisches Gerät
DE29913426U1 (de) * 1999-08-07 2000-12-28 Pepperl & Fuchs GmbH, 68307 Mannheim Überspannungsschutzbarriere zum Schutz von elektrischen Bauteilen elektrischer Anlagen gegen Überspannungen
DE29916303U1 (de) 1999-09-16 2001-02-22 Weidmüller Interface GmbH & Co, 32760 Detmold Modul mit Koppelelementen
DE10205238B4 (de) * 2002-02-08 2006-03-23 Wieland Electric Gmbh Gerätegehäuse
DE10348088B3 (de) * 2003-10-16 2005-01-20 Moeller Gmbh Schaltschütz mit Rahmenklemmen
US7011551B2 (en) * 2004-05-06 2006-03-14 Johansen Arnold W Electrical terminal block
DE202005013056U1 (de) 2005-08-18 2007-01-04 Weidmüller Interface GmbH & Co. KG Elektrische Anschlussvorrichtung
DE202007005373U1 (de) * 2007-04-12 2008-08-21 Weidmüller Interface GmbH & Co. KG Reihenklemmensystem
DE102011001715B4 (de) * 2011-03-31 2018-02-01 Phoenix Contact Gmbh & Co. Kg Auflagebock für Schirmklemmen
USD765039S1 (en) * 2014-04-16 2016-08-30 Weidmueller Interface Gmbh & Co. Kg Terminal block
DE102014213728A1 (de) * 2014-07-15 2016-01-21 Phoenix Contact Gmbh & Co. Kg Reihenklemmsystem
DE102015106031A1 (de) * 2015-04-20 2016-10-20 Phoenix Contact Gmbh & Co. Kg Reihenklemme mit externem elektrischem Bauelement
DE102018109861A1 (de) * 2018-04-24 2019-10-24 Phoenix Contact Gmbh & Co. Kg Steckverbindungsanordnung für eine Reihenklemme
JP7376535B2 (ja) * 2021-06-22 2023-11-08 矢崎総業株式会社 端子台

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997685A (en) * 1956-06-05 1961-08-22 Bryant Electric Co Electrical connector
US3670207A (en) * 1970-09-25 1972-06-13 William A Seabury Modular matrix with plug interconnection
US3825884A (en) * 1973-01-22 1974-07-23 Rapid Sa Electrical connection clip
US4159500A (en) * 1977-11-17 1979-06-26 Reliable Electric Company Modular line protector
DE2816296A1 (de) * 1978-04-14 1979-10-25 Weco Wester Ebbinghaus & Co Netzanschlussklemme
DE3328666C2 (de) * 1983-08-09 1986-08-14 Phönix Elektrizitätsgesellschaft H. Knümann GmbH & Co KG, 4933 Blomberg Elektrische Reihenklemme
DE3512143C1 (de) * 1985-04-03 1986-07-10 Phönix Elektrizitätsgesellschaft H. Knümann GmbH & Co KG, 4933 Blomberg Elektrische Anschlußklemme zum Befestigen auf einer Tragschiene
NZ216143A (en) * 1985-06-03 1989-04-26 Adc Telecommunications Inc Distribution frame wire connection module with insertable overvoltage protector
DE3835600A1 (de) * 1988-10-19 1990-05-03 Wieland Elektrische Industrie Universal-montagefuss fuer hut- und g-schienen
FR2671671A1 (fr) * 1991-01-10 1992-07-17 Mars Actel Reglette de raccordement a protections semi-integrees.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009112320A1 (fr) * 2008-03-08 2009-09-17 Weidmüller Interface GmbH & Co. KG Bloc de raccordement à fonctions extensibles et module
US9300060B2 (en) 2014-03-07 2016-03-29 Wago Verwaltungsgesellschaft Mbh Terminal

Also Published As

Publication number Publication date
ATE164265T1 (de) 1998-04-15
EP0637099A3 (fr) 1996-07-03
DE4325614A1 (de) 1995-02-02
ES2113571T3 (es) 1998-05-01
DE4325614C2 (de) 1995-08-31
DE59405453D1 (de) 1998-04-23
EP0637099B1 (fr) 1998-03-18
US5411417A (en) 1995-05-02

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