EP0890206B1 - Safety subassembly for a distribution board in a telecommunications system - Google Patents

Safety subassembly for a distribution board in a telecommunications system Download PDF

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Publication number
EP0890206B1
EP0890206B1 EP97921590A EP97921590A EP0890206B1 EP 0890206 B1 EP0890206 B1 EP 0890206B1 EP 97921590 A EP97921590 A EP 97921590A EP 97921590 A EP97921590 A EP 97921590A EP 0890206 B1 EP0890206 B1 EP 0890206B1
Authority
EP
European Patent Office
Prior art keywords
spring tongues
carrier part
overvoltage arresters
overvoltage
arresters
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
EP97921590A
Other languages
German (de)
French (fr)
Other versions
EP0890206A1 (en
Inventor
Dieter Kunze
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 EP0890206A1 publication Critical patent/EP0890206A1/en
Application granted granted Critical
Publication of EP0890206B1 publication Critical patent/EP0890206B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Definitions

  • the invention relates to a protective assembly for connection to a contact component of a distributor in a telecommunications system.
  • Such a protective assembly is e.g. through the DE 25 08 845 B2 become known. Then the protective assembly points a flat carrier part for a multitude of two-pole Surge arresters arranged in a row are and rest on contact parts of the support part with a pole. The contact parts end at the front in contact points, which can be contacted with plug contacts of the contact component are.
  • the carrier part is from the back of an attached U-shaped grounding plate that gripped to the front pointing spring tongues on the other Poles of the overvoltage conductor are under prestress and press them against the contact parts of the carrier part.
  • the problem arises that the free ends of the spring tongues projecting in the sliding direction Trigger on the above surge arresters and are difficult to lift or push over can.
  • the invention has for its object to postpone the To facilitate grounding sheet.
  • FIG. 1 shows a distributor block 1 with a carrier part 2, in which disk-like wire guides 3 and contact components 4 are stacked on top of each other in a sandwich.
  • the wire guides 3 have arcuate wire guide channels 5, in which incoming and outgoing lines (17, Fig. 2) from Side walls 6 to an operating side 7 of the distributor block can be performed.
  • the contact components 4 are on this Provide side with insulation displacement terminals 8 in their clamping slots the incoming and outgoing lines using a connection tool 9 can be pressed in contacting.
  • the insulation displacement terminals 8 are connected to contact parts which in Inside the contact components form isolating contacts, which means Insertable disconnect plug 10 interrupted from the front can be.
  • the contact components 4 have on their operating side 7 opposite Rear 11 plug contacts for one on the side Protective assembly 12 which can be pushed into the distributor block 1. This is along the contact component 4 facing Front 13 provided with plug contact points 14, which according to the indicated arrow direction between the plug contacts of the Contact components 4 can be inserted.
  • the plug contact points 14 are Protective assembly 12 between plug contacts 15 of contact parts 16 of the contact component 4 can be inserted.
  • the contact parts are connected to the insulation displacement terminals 8 (FIG. 1) on which the incoming and outgoing lines are connected.
  • the protective assembly 12 consists of a carrier part that composed of a circuit board 17 and a frame part 18.
  • the protective assembly 12 is with power fuses 19 and two-pole surge arresters, each equipped with one of its poles connected to contact points on the circuit board are.
  • Spring tongues are located at the other pole of the surge arrester 20 21 of a grounding plate 22, which the protective assembly 12 from its rear, facing away from the plug contact points 14 encircled in a U-shape.
  • the grounding plate 22 is with its the spring tongues 21 carrying legs on the front of the frame part 18 anchored.
  • the spring tongues 21 protrude from the front forth in the direction of the back and lie with theirs free ends on the surge arresters 20. When postponed of the grounding plate 20 on the assembled protective assembly 12 the spring tongues slide flat over the surge arresters, so that the earthing plate 12 is facilitated.
  • the surge arresters are offset in two here Rows arranged so that a larger number Surge arresters with the same overall width can be.
  • the trained as a cut rag Spring tongues 21 are so short that a high pressure force can be achieved.
  • FIGS 4 and 5 are in a similar protective assembly as in Figures 2 and 3, the surge arrester 20 also divided into two rows, two each Surge arrester 20 in pairs without lateral offset are arranged one behind the other.
  • the spring tongues 21 for the front surge arresters 20 protrude from the front forth towards the back, where the spring tongues 21 for the rear surge arrester 20 from the back towards the front and to the front spring tongues 21 are arranged in pairs aligned. Since the spring tongues no longer overlap, it is possible the pitch between the surge arresters to reduce or use larger surge arresters to use cheaper features.

Landscapes

  • Structure Of Telephone Exchanges (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Paper (AREA)
  • Details Of Aerials (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)
  • Transmitters (AREA)
  • Exchange Systems With Centralized Control (AREA)

Abstract

A safety subassembly has a bent, U-shaped earth contacting metal sheet (22) which is slipped with its rear side on a carrier assembly (17, 18) provided with surge arresters (20). Resilient tongues (21) are cut out of the resilient metal sheet (22) and project from its front side towards its rear side, making it easier to slip the earth contacting metal sheet (22) on the carrier assembly (17, 18).

Description

Die Erfindung bezieht sich auf eine Schutzbaugruppe zum Anstecken an ein Kontaktbauteil eines Verteilers in einer Telekommunikationsanlage.The invention relates to a protective assembly for connection to a contact component of a distributor in a telecommunications system.

Eine derartige Schutzbaugruppe ist z.B. durch die DE 25 08 845 B2 bekannt geworden. Danach weist die Schutzbaugruppe ein flaches Trägerteil für eine Vielzahl von zweipoligen Überspannungsableitern auf, die in einer Reihe angeordnet sind und auf Kontaktteilen des Trägerteils mit einem Pol aufliegen. Die Kontaktteile enden frontseitig in Kontaktstellen, die mit Steckkontakten des Kontaktbauteils kontaktierbar sind. Das Trägerteil ist von der Rückseite her von einem aufgesteckten U-förmigen Erdungsblech umgriffen, daß zur Frontseite hin weisende Federzungen aufweist, die an den anderen Polen der Überspannungsleiter unter Vorspannung anliegen und diese gegen die Kontaktteile des Trägerteils drücken. Beim Aufschieben des Erdungsblechs über das Trägerteil mit den eingelegten Überspannungsableitern ergibt sich das Problem, daß die freien Enden der in die Schieberichtung ragenden Federzungen an den vorstehenden Überspannungsableitern anstoßen und nur schwierig darüber hinweg gehoben oder geschoben werden können.Such a protective assembly is e.g. through the DE 25 08 845 B2 become known. Then the protective assembly points a flat carrier part for a multitude of two-pole Surge arresters arranged in a row are and rest on contact parts of the support part with a pole. The contact parts end at the front in contact points, which can be contacted with plug contacts of the contact component are. The carrier part is from the back of an attached U-shaped grounding plate that gripped to the front pointing spring tongues on the other Poles of the overvoltage conductor are under prestress and press them against the contact parts of the carrier part. At the Sliding the earthing plate over the carrier part with the inserted surge arresters, the problem arises that the free ends of the spring tongues projecting in the sliding direction Trigger on the above surge arresters and are difficult to lift or push over can.

Der Erfindung liegt die Aufgabe zugrunde, das Aufschieben des Erdungsblechs zu erleichtern.The invention has for its object to postpone the To facilitate grounding sheet.

Diese Aufgabe wird durch die Erfindung gemäß Anspruch 1 gelöst. Da nun die Federzungen von der Frontseite zur Rückseite ragen, können Sie mit einer langen Auflaufschräge versehen werden und glatt auf die Überspannungsableiter aufgeschoben werden. Durch das Verankern des die Federzungen tragenden Schenkels kann die Federkraft erheblich verstärkt werden, ohne daß sich dieser Schenkel von den Überspannungsableitern abhebt. Die Federzungen können damit eine erheblich höhere Druckkraft ausüben, wodurch die Kontaktgabe verbessert wird. Die höhere Andruckkraft ermöglicht kürzere Federzungen mit entsprechender Raumersparnis.This object is achieved by the invention according to claim 1. Now the spring tongues from the front to the back protrude, you can provide a long ramp are slid onto the surge arrester become. By anchoring the spring tongue The spring force can be increased considerably, without this leg from the surge arresters takes off. The spring tongues can therefore be considerably higher Apply pressure, which improves contact. The higher pressure force enables shorter spring tongues corresponding space saving.

Durch eine Weiterbildung der Erfindung nach Anspruch 2 wird erreicht, daß die Anzahl der Überspannungsableiter auf der Baugruppe erhöht werden kann. Dies wird durch die Kürze der Federzungen erleichtert, die bei entsprechendem Versatz sich gegenseitig kaum überlappen und stören.By developing the invention according to claim 2 achieved that the number of surge arresters on the Assembly can be increased. This is due to the brevity of the Spring tongues relieved, with a corresponding offset hardly overlap and interfere with each other.

Durch eine andere Weiterbildung der Erfindung nach Anspruch 3 ist es möglich, bei gleichem Teilungsabstand überspannungsableiter von größerem Durchmesser zu verwenden bzw. gleiche Überspannungsableiter mit geringerem Teilungsabstand anzuordnen.Another development of the invention according to claim 3 it is possible to use surge arresters with the same pitch to use larger diameter or the same Arrange surge arresters with a smaller pitch.

Im folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. Es zeigen:

Figur 1
eine perspektivische Ansicht eines Verteilerblocks mit Kontaktbauteilen und Schutzbaugruppen,
Figur 2
einen Querschnitt durch die Schutzbaugruppe nach Figur 1 mit einem Erdungsblech entlang der Linie II - II in Figur 3,
Figur 3
eine Draufsicht auf die Schutzbaugruppe nach Figur 2
Figur 4
einen Querschnitt durch eine andere Schutzbaugruppe mit einem Erdungsblech entlang der Linie IV - IV in Figur 5,
Figur 5
eine Draufsicht auf die Schutzbaugruppe nach Figur 4.
The invention is explained in more detail below with reference to an embodiment shown in the drawing. Show it:
Figure 1
2 shows a perspective view of a distributor block with contact components and protective assemblies,
Figure 2
2 shows a cross section through the protective assembly according to FIG. 1 with an earthing plate along the line II-II in FIG. 3,
Figure 3
2 shows a top view of the protective assembly according to FIG. 2
Figure 4
5 shows a cross section through another protective assembly with an earthing plate along the line IV-IV in FIG. 5,
Figure 5
3 shows a top view of the protective assembly according to FIG. 4.

Figur 1 zeigt einen Verteilerblock 1 mit einem Trägerteil 2, in dem scheibenartige Drahtführungen 3 und Kontaktbauteile 4 sandwichartig übereinander gestapelt sind. Die Drahtführungen 3 weisen bogenförmig gekrümmte Drahtführungskanäle 5 auf, in denen ankommende und abgehende Leitungen (17, Fig. 2) von Seitenwänden 6 zu einer Bedienseite 7 des Verteilerblockes geführt werden können. Die Kontaktbauteile 4 sind an dieser Seite mit Schneidklemmen 8 versehen, in deren Klemmschlitze die ankommenden und abgehenden Leitungen mittels eines Anschlußwerkzeuges 9 kontaktgebend eingedrückt werden können. Die Schneidklemmen 8 sind mit Kontaktteilen verbunden, die im Inneren der Kontaktbauteile Trennkontakte bilden, die mittels von der Frontseite her einsteckbarer Trennstecker 10 unterbrochen werden können.FIG. 1 shows a distributor block 1 with a carrier part 2, in which disk-like wire guides 3 and contact components 4 are stacked on top of each other in a sandwich. The wire guides 3 have arcuate wire guide channels 5, in which incoming and outgoing lines (17, Fig. 2) from Side walls 6 to an operating side 7 of the distributor block can be performed. The contact components 4 are on this Provide side with insulation displacement terminals 8 in their clamping slots the incoming and outgoing lines using a connection tool 9 can be pressed in contacting. The insulation displacement terminals 8 are connected to contact parts which in Inside the contact components form isolating contacts, which means Insertable disconnect plug 10 interrupted from the front can be.

Die Kontaktbauteile 4 weisen auf ihrer der Bedienseite 7 gegenüberliegenden Rückseite 11 Steckkontakte für eine seitlich in den Verteilerblock 1 einschiebbare Schutzbaugruppe 12 auf. Diese ist entlang ihrer dem Kontaktbauteil 4 zugewandten Frontseite 13 mit Steckkontaktstellen 14 versehen, die gemäß der angegebenen Pfeilrichtung zwischen die Steckkontakte der Kontaktbauteile 4 eingesteckt werden können.The contact components 4 have on their operating side 7 opposite Rear 11 plug contacts for one on the side Protective assembly 12 which can be pushed into the distributor block 1. This is along the contact component 4 facing Front 13 provided with plug contact points 14, which according to the indicated arrow direction between the plug contacts of the Contact components 4 can be inserted.

Nach den Figuren 2 und 3 sind die Steckkontaktstellen 14 der Schutzbaugruppe 12 zwischen Steckkontakte 15 von Kontaktteilen 16 des Kontaktbauteils 4 einsteckbar. Die Kontaktteile sind mit den Schneidklemmen 8 (Figur 1) verbunden, an denen die ankommende und abgehende Leitungen angeschlossen sind. Die Schutzbaugruppe 12 besteht aus einem Trägerteil, daß sich aus einer Leiterplatte 17 und einem Rahmenteil 18 zusammensetzt. Die Schutzbaugruppe 12 ist mit Stromsicherungen 19 und zweipoligen Überspannungsableitern bestückt, die jeweils mit einem ihrer Pole mit Kontaktstellen der Leiterplatte verbunden sind.According to Figures 2 and 3, the plug contact points 14 are Protective assembly 12 between plug contacts 15 of contact parts 16 of the contact component 4 can be inserted. The contact parts are connected to the insulation displacement terminals 8 (FIG. 1) on which the incoming and outgoing lines are connected. The protective assembly 12 consists of a carrier part that composed of a circuit board 17 and a frame part 18. The protective assembly 12 is with power fuses 19 and two-pole surge arresters, each equipped with one of its poles connected to contact points on the circuit board are.

Am anderen Pol der Überspannungsableiter 20 liegen Federzungen 21 eines Erdungsblechs 22 an, das die Schutzbaugruppe 12 von seiner, den Steckkontaktstellen 14 abgewandten Rückseite her U-förmig umgreift. Das Erdungsblech 22 ist mit seinem, die Federzungen 21 tragenden Schenkel frontseitig am Rahmenteil 18 verankert. Die Federzungen 21 ragen von der Frontseite her in die Richtung der Rückseite und liegen mit ihren freien Enden an den Überspannungsableitern 20 an. Beim Aufschieben des Erdungsblechs 20 auf die bestückte Schutzbaugruppe 12 gleiten die Federzungen flach über die Überspannungsableiter, so daß das Aufschieben des Erdungsblechs 12 erleichtert wird.Spring tongues are located at the other pole of the surge arrester 20 21 of a grounding plate 22, which the protective assembly 12 from its rear, facing away from the plug contact points 14 encircled in a U-shape. The grounding plate 22 is with its the spring tongues 21 carrying legs on the front of the frame part 18 anchored. The spring tongues 21 protrude from the front forth in the direction of the back and lie with theirs free ends on the surge arresters 20. When postponed of the grounding plate 20 on the assembled protective assembly 12 the spring tongues slide flat over the surge arresters, so that the earthing plate 12 is facilitated.

Die Überspannungsableiter sind hier in zwei zueinander versetzten Reihen derart angeordnet, so daß eine größere Anzahl von Überspannungsableitern bei gleicher Baubreite untergebracht werden kann. Die als freigeschnittene Lappen ausgebildeten Federzungen 21 sind so kurz, daß eine hohe Andruckkraft erreicht werden kann.The surge arresters are offset in two here Rows arranged so that a larger number Surge arresters with the same overall width can be. The trained as a cut rag Spring tongues 21 are so short that a high pressure force can be achieved.

Nach den Figuren 4 und 5 sind bei einer ähnlichen Schutzbaugruppe wie nach den Figuren 2 und 3 die Überspannungsableiter 20 ebenfalls auf zwei Reihen verteilt, wobei jeweils zwei Überspannungsableiter 20 paarweise ohne seitlichen Versatz hintereinanderliegend angeordnet sind. Die Federzungen 21 für die vorderen Überspannungsableiter 20 ragen von der Frontseite her in Richtung der Rückseite, wo hingegen die Federzungen 21 für die rückseitigen Überspannungsableiter 20 von der Rückseite her in Richtung der Frontseite ragen und zu den vorderen Federzungen 21 paarweise fluchtende angeordnet sind. Da sich nun die Federzungen nicht mehr überlappen, ist es möglich, den Teilungsabstand zwischen den Überspannungsableitern zu verringern bzw. größere Überspannungsableiter mit günstigeren Leistungsmerkmalen zu verwenden.According to Figures 4 and 5 are in a similar protective assembly as in Figures 2 and 3, the surge arrester 20 also divided into two rows, two each Surge arrester 20 in pairs without lateral offset are arranged one behind the other. The spring tongues 21 for the front surge arresters 20 protrude from the front forth towards the back, where the spring tongues 21 for the rear surge arrester 20 from the back towards the front and to the front spring tongues 21 are arranged in pairs aligned. Since the spring tongues no longer overlap, it is possible the pitch between the surge arresters to reduce or use larger surge arresters to use cheaper features.

Claims (3)

  1. Protective module (12) for plugging on to a contact component (4) of a distribution frame in a telecommunications system, the protective module (12) exhibiting a flat carrier part (17, 18) and a multiplicity of two-pole overvoltage arresters which rest with one of their poles on the carrier part in one or more rows,
    an earth plate (22), which encircles the carrier part (17, 18) in the form of a U, being provided with spring tongues (21) which rest against the other pole of the overvoltage arresters (20) and press the former against the carrier part (17, 18),
    the carrier part (17, 18) being provided along its front end (13) with a row of plug contact points (14) which can be brought into contact with the contact component (4), and
    it being possible for the earth plate (22) to be pushed on to the carrier part (17, 18) with the overvoltage arresters (20) from the rear end opposite to the front end (13),
    characterized in that
    the leg of the earth plate (22), which rests on the overvoltage arresters (20), is extended towards the front end (13) by approximately the length of the spring tongues (21),
    in that the front end of the leg is anchored at the carrier part (17, 18),
    in that the spring tongues (21) are formed as tabs punched free, and
    in that at least a subset of the spring tongues (21) is constructed to be freely projecting from the front end (13) in the direction of the rear end.
  2. Protective module according to Claim 1, characterized in that the overvoltage arresters (20) are arranged in two separate rows which are laterally offset with respect to one another, and
    in that the spring tongues (21) are constructed offset with respect to one another and projecting freely towards the rear end.
  3. Protective module according to Claim 1, characterized in that the two rows of the overvoltage arresters (20) are arranged without lateral offset, in that in each case two overvoltage arresters (20) are arranged behind one another in the plug-in direction, in that one row of the spring tongues (21) for the front overvoltage arrester (20) projects from the front end (13) in the direction of the rear end), and in that the other row of the spring tongues (21) for the rear overvoltage arresters (20) projects from the rear end in the direction of the front end (13).
EP97921590A 1996-03-28 1997-03-27 Safety subassembly for a distribution board in a telecommunications system Expired - Lifetime EP0890206B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19612448 1996-03-28
DE19612448 1996-03-28
PCT/DE1997/000630 WO1997037408A1 (en) 1996-03-28 1997-03-27 Safety subassembly for a distribution board in a telecommunications system

Publications (2)

Publication Number Publication Date
EP0890206A1 EP0890206A1 (en) 1999-01-13
EP0890206B1 true EP0890206B1 (en) 1999-12-01

Family

ID=7789790

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97921590A Expired - Lifetime EP0890206B1 (en) 1996-03-28 1997-03-27 Safety subassembly for a distribution board in a telecommunications system

Country Status (6)

Country Link
EP (1) EP0890206B1 (en)
AT (1) ATE187286T1 (en)
AU (1) AU2762097A (en)
DE (1) DE59700798D1 (en)
ES (1) ES2140977T3 (en)
WO (1) WO1997037408A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10317621B4 (en) 2003-04-16 2016-07-07 Tyco Electronics Services Gmbh Overvoltage protection magazine for a telecommunication device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2508845C3 (en) * 1975-02-28 1980-10-02 Siemens Ag, 1000 Berlin Und 8000 Muenchen Fuse strip
DE2738851C3 (en) * 1977-08-29 1981-09-24 Siemens AG, 1000 Berlin und 8000 München Fuse strip for holding electrical fuses
DE4225484C1 (en) * 1992-07-30 1993-12-23 Krone Ag Protective plug for connecting and isolating strips in telecommunications and data technology

Also Published As

Publication number Publication date
ATE187286T1 (en) 1999-12-15
DE59700798D1 (en) 2000-01-05
ES2140977T3 (en) 2000-03-01
AU2762097A (en) 1997-10-22
WO1997037408A1 (en) 1997-10-09
EP0890206A1 (en) 1999-01-13

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