EP0257571A2 - Unité pour fixer des lignes électriques dans des distributeurs d'installations de télecommunication - Google Patents

Unité pour fixer des lignes électriques dans des distributeurs d'installations de télecommunication Download PDF

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Publication number
EP0257571A2
EP0257571A2 EP87112116A EP87112116A EP0257571A2 EP 0257571 A2 EP0257571 A2 EP 0257571A2 EP 87112116 A EP87112116 A EP 87112116A EP 87112116 A EP87112116 A EP 87112116A EP 0257571 A2 EP0257571 A2 EP 0257571A2
Authority
EP
European Patent Office
Prior art keywords
contact
carrier part
assembly
piece
tab
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.)
Withdrawn
Application number
EP87112116A
Other languages
German (de)
English (en)
Other versions
EP0257571A3 (fr
Inventor
Hans Ing.(Grad.) Scholtholt
Ewald Ing.(Grad.) Steiner
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0257571A2 publication Critical patent/EP0257571A2/fr
Publication of EP0257571A3 publication Critical patent/EP0257571A3/fr
Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/046—Fuses formed as printed circuits
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H2085/2085—Holders for mounting a fuse on a printed circuit
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/044—General constructions or structure of low voltage fuses, i.e. below 1000 V, or of fuses where the applicable voltage is not specified
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/44—Structural association with a spark-gap arrester

Definitions

  • the invention relates to an assembly for securing electrical lines in distributors of telecommunications, in particular telephone systems, wherein the flat assembly which can be connected to a layer module of the distributor is equipped with strung surge arresters as a cross-member to earth.
  • Such an assembly is e.g. made known by DE-PS 25 08 845.
  • the assembly is then provided with a carrier part produced by injection molding with embedded contact pieces, which are provided along a longitudinal edge of the carrier part with contact surfaces for plug contacts of the layer modules.
  • the contact pieces are provided with contact zones lying in the plane of the carrier part for fusible pieces resting on the surge arresters. With their central axis, the surge arresters are perpendicular to the support part.
  • the contact pieces have a U-shaped section which projects into the vicinity of the free ends of the spring fingers. This section lies between the surge arresters and the contact areas. The distance between the bent sections and the spring fingers is less than the thickness of the melting pieces. At A prolonged overload melts them so that the contact piece is short-circuited to earth.
  • Such a U-shaped bend requires a space corresponding to the distance between the legs.
  • a sufficient contact length must be provided for the bending tools on both sides of the legs.
  • the amount of the bend can only be maintained with a limited accuracy, since with such a multiple bend a considerable springback must be expected, which fluctuates depending on the material thickness and the material properties. This changes the distance to the spring fingers of the grounding multiple, so that the exact coordination is not guaranteed with complete certainty.
  • the invention has for its object to improve the manufacturability and functional reliability of the assembly.
  • the section bent up as a simple tab has only one bend which can be produced with a simple tool.
  • the contact surface with the spring fingers is the punched-out end face of the contact tab. In the flat state, the position of this end face can be determined with high precision. During the subsequent bending around a single bending edge, the distance between the end face of the contact tab and the base of the contact piece can also be observed very precisely.
  • the strip-shaped contact tab can be largely embedded in the carrier part by injection molding, so that its position is reliably stabilized.
  • the contact tab can be bent up very close to the surge arrester, which saves considerable space.
  • the length and width of the unbent contact piece can be kept small.
  • the contact tab can be arranged on the side of the surge arrester facing away from the rear. The earthing multiple points with its earthing fingers in this direction, so that it can be designed as a U-shaped sheet metal part that clasps the back of the assembly.
  • an assembly 1 consists of a carrier part 2 made of injection molding, contact pieces 3, current fuses 4, surge arresters 5, fusible links 6 and an earthing multiple 7.
  • the contact pieces 3 are provided along a longitudinal edge of the carrier part 2 with contact surfaces 8 for plug contacts 9 of contact springs 10 of a layer module, which is arranged in a layer distributor of a telephone switching system.
  • the contact pieces 3 are embedded in the carrier part by extrusion coating and extend substantially perpendicular to the row direction in the plane of the carrier part 2.
  • a short contact piece 3 is fork-shaped with its vertically bent free end and engages around a pole of the current fuse 4. The longer of the one above the other lying contact pieces 3 extends from the contact surfaces 8 to the rear of the carrier part 2, where it forms a contact zone for the melting piece 6.
  • the surge arrester 5 is placed, the other pole of which rests against a spring finger 11 of the U-shaped earthing multiple 7 bent from sheet metal.
  • a free-punched contact tab 12 is bent out of the longer contact part 3, which projects with its free end into the vicinity of the spring finger 11 and is largely enveloped by the carrier part 2.
  • the bending edge lies in the longitudinal direction of the module 1.
  • the contact tab 12 points in the direction of the contact surfaces 8 before bending up.
  • another tab in the form of a contact part 13 for the other pole of the current fuse is in the immediate vicinity of the contact tab 12 4 bent out in a similar manner to the contact tab 12.
  • the current fuse 4 thus establishes the electrical connection between the two contact pieces 3 and thus between the two contact springs 10.
  • the contact part 13 for the power fuse 4 is designed as a flat fork, the material plane of which extends in the longitudinal direction of the assembly.
  • the plate-like power fuse 4 is between two sides legs of the contact part 13 clamped and contacted.

Landscapes

  • Fuses (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Structure Of Telephone Exchanges (AREA)
EP87112116A 1986-08-25 1987-08-20 Unité pour fixer des lignes électriques dans des distributeurs d'installations de télecommunication Withdrawn EP0257571A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3628804 1986-08-25
DE3628804 1986-08-25

Publications (2)

Publication Number Publication Date
EP0257571A2 true EP0257571A2 (fr) 1988-03-02
EP0257571A3 EP0257571A3 (fr) 1990-03-21

Family

ID=6308121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87112116A Withdrawn EP0257571A3 (fr) 1986-08-25 1987-08-20 Unité pour fixer des lignes électriques dans des distributeurs d'installations de télecommunication

Country Status (2)

Country Link
EP (1) EP0257571A3 (fr)
JP (1) JPS6355831A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001061806A1 (fr) * 2000-02-17 2001-08-23 Ccs Technology, Inc. Ensemble enfichable pour fixer des lignes electriques dans un repartiteur d'une installation de telecommunication

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1249935B (fr) * 1962-07-24 1967-09-14
DE2720220A1 (de) * 1977-05-05 1978-11-16 Siemens Ag Sicherungsleiste zur halterung elektrischer sicherungen
GB1534967A (en) * 1975-02-28 1978-12-06 Siemens Ag Fuse devices
DE3024864A1 (de) * 1980-07-01 1982-01-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Haltevorrichtung fuer knopfableiter
GB2117577A (en) * 1982-03-31 1983-10-12 Siemens Ag An electrical distributor segment for telephone exchange systems
US4504883A (en) * 1982-05-20 1985-03-12 Kabushiki Kaisha Sankosha Arrester holder apparatus for distributor of communication apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1249935B (fr) * 1962-07-24 1967-09-14
GB1534967A (en) * 1975-02-28 1978-12-06 Siemens Ag Fuse devices
DE2720220A1 (de) * 1977-05-05 1978-11-16 Siemens Ag Sicherungsleiste zur halterung elektrischer sicherungen
DE3024864A1 (de) * 1980-07-01 1982-01-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Haltevorrichtung fuer knopfableiter
GB2117577A (en) * 1982-03-31 1983-10-12 Siemens Ag An electrical distributor segment for telephone exchange systems
US4504883A (en) * 1982-05-20 1985-03-12 Kabushiki Kaisha Sankosha Arrester holder apparatus for distributor of communication apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001061806A1 (fr) * 2000-02-17 2001-08-23 Ccs Technology, Inc. Ensemble enfichable pour fixer des lignes electriques dans un repartiteur d'une installation de telecommunication
DE10007173B4 (de) * 2000-02-17 2005-03-03 CCS Technology, Inc., Wilmington Steckbare Baugruppe zum Sichern von elektrischen Leitungen in einem Verteiler einer Telekommunikationsanlage

Also Published As

Publication number Publication date
JPS6355831A (ja) 1988-03-10
EP0257571A3 (fr) 1990-03-21

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Inventor name: STEINER,EWALD,ING.(GRAD.)

Inventor name: SCHOLTHOLT,HANS,ING.(GRAD.)