EP0385259A1 - Electrical multiple plug - Google Patents

Electrical multiple plug Download PDF

Info

Publication number
EP0385259A1
EP0385259A1 EP90103368A EP90103368A EP0385259A1 EP 0385259 A1 EP0385259 A1 EP 0385259A1 EP 90103368 A EP90103368 A EP 90103368A EP 90103368 A EP90103368 A EP 90103368A EP 0385259 A1 EP0385259 A1 EP 0385259A1
Authority
EP
European Patent Office
Prior art keywords
feed
capacitors
wedge portions
multiple plug
metal plate
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Withdrawn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
EP90103368A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jürgen Röder
Werner Moritz
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.)
ABB Installation Products International LLC
Original Assignee
Thomas and Betts International LLC
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 Thomas and Betts International LLC filed Critical Thomas and Betts International LLC
Publication of EP0385259A1 publication Critical patent/EP0385259A1/en
Withdrawn legal-status Critical Current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
    • 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
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • H01R13/7197—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with filters integral with or fitted onto contacts, e.g. tubular filters

Definitions

  • the invention relates to a multiple plug comprising a metal plate with bores provided therein and feed-through capacitors which are fitted into same, with openings, through which plug pins are passed and soldered in position.
  • a screened multiple plug of that nature includes a metal plate with bores which are arranged to correspond to the arrangement of the plug pins. What are known as feed-­through capacitors with a central opening are fitted into the bores.
  • the feed-through capacitors are of substantially cylindrical shape and essentially consist of ceramic material. They have internal and external metallisation thereon.
  • the plug pins are soldered to the internal metallisation. Together with the internal and external metallisation and the insulating ceramic material, they form a capacitance. High frequency interference voltages which are induced in the plug pins by electromagnetic interference fields are drained off to ground by way of those capacitances and the metal plate. Under some circumstances, voltage breakdowns may also occur between the metal layers within the ceramic material and the voltages are drained off directly.
  • the structure and the mode of operation of such feed-through capacitors are known and they are therefore not further described herein.
  • the feed-through capacitors which hold the plug pins and which are fitted into the bores in the metal plate result in the multiple plug being screened.
  • the feed-through capacitors are soldered to the bores in the metal plate by way of their external metallisation.
  • the coefficients of thermal expansion of the insulating material of the multi-point connector in which the plug pins are pressed, and the metal plate, are different. That means that, in the event of fluctuations in temperature, substantial forces are applied to the capacitors and cause them to fracture so that they are no longer guaranteed to operate. It is no longer possible for such a capacitor to be soldered in position again or replaced. That means that, once a single capacitor is fractured, a multiple plug of that kind is useless and has to be totally replaced.
  • the underlying problem of the invention is that of providing a temperature-insensitive multiple plug in which, even in the event of fluctuating temperatures, the feed-through capacitors retain their electrical function and their condition of being mechanically and electrically connected to the metal plate.
  • the solution to that problem in accordance with a preferred form of the invention provides that the metal plate is punched, starting from the centre point of each of the bores, forming triangular wedge portions and forming round openings between the tips of the wedge portions, the wedge portions are bent away to one side and the feed-through capacitors are positively inserted between same. The feed-­through capacitors are therefore no longer disposed directly in the bores.
  • the wedge portions Between the bores and the feed-through capacitors are the wedge portions which are provided in accordance with the invention.
  • the wedge portions form resilient suspension means which extend between the metal plate and the feed-through capacitors and which hold the latter.
  • the wedge portions are resilient in themselves and they flex somewhat in the event of differences in expansion or contraction of the metal plate on the one hand and the feed-through capacitors on the other hand. In that way they compensate for thermal expansion and alterations in shape resulting therefrom. The mechanical and electrical connection between the plate and the feed-through capacitors is retained.
  • the tips of the wedge portions are desirably rounded off. That provides a larger area for the wedge portions to bear against the feed-through capacitors. That arrangement also ensures that the external metallisation on the feed-­through capacitors is not scraped off when they are pushed into position between the wedge portions.
  • the feed-through capacitors are soldered to the tips of the wedge portions. That provides a force-locking connection as between the wedge portions and the feed-through capacitors.
  • the feed-­through capacitors are better held between the wedge portions and thus in the metal plate.
  • the feed-through capacitors are not disposed directly in the plate, but with the interposition of metal sleeves. More specifically that arrangement provides that a respective metal sleeve is pushed on to each feed-through capacitor and soldered thereto and the sleeves are force-lockingly inserted between the tips of the wedge portions.
  • the sleeves are soldered to the external metallisation on the feed-through capacitors. However the sleeves are not soldered to the tips of the wedge portions. It is sufficient for the sleeves to be positively held between the tips, in a kind of press fit.
  • the feed-through capacitors may be of a smooth cylindrical configuration, in which case the sleeves extend over the entire length of the feed-through capacitors.
  • the feed-through capacitors may also have a shoulder at one end and the sleeves then extend from the opposite end face of the feed-through capacitors to the inward edge of the respective shoulder.
  • the outside diameter of a shoulder may be larger than that of a sleeve.
  • the outside diameter of the shoulder and the sleeve may also be identical.
  • the wedge portions form resilient suspension means for the feed-through capacitors so that differences in thermal expansion are accommodated thereby.
  • the metal forming the plate is elastic and the gauge of the plate is so selected that the wedge portions are resilient over their length.
  • the length and the width of the slots which extend between the wedge portions and therewith also the dimensions of the wedge portions themselves determine the degree of resiliency of the resilient suspension means. Those dimensions, together with the gauge of the plate, and the resiliency of the metal forming the plate, together with other properties, are so selected that the feed-through capacitors are mechanically firmly but nonetheless adequately resiliently held in position.
  • Figure 1 shows the metal plate 12. At its ends it has bores 14 for connecting it to the plug housing. It also includes the openings 16 for receiving the plug pins 18. Some of the plug pins 18 are shown in diagrammatic form in the left-hand part of Figure 1.
  • the wedge portions according to the invention are not shown in Figure 1, for enhanced clarity of the drawing.
  • Figure 2 diagrammatically shows from the side the wedge portions which extend from the edges of the openings 16 and the feed-through capacitors 20 which are pushed into position between the wedge portions.
  • the feed-through capacitors 20 in turn receive the plug pins 18.
  • Figure 3 shows such a feed-through capacitor 20 in greater detail.
  • the illustrated feed-through capacitor 20 includes a cylindrical portion 22 and a rectangular shoulder 24.
  • the feed-through capacitor 20 has an internal metallisation 26 and an external metallisation 28.
  • Figure 3 also shows a part of the metal plate 12.
  • the triangular wedge portions 30 with their rounded-off tips 32 can also be seen therein.
  • the wedge portions 30 are disposed around the opening 34.
  • the slots 36 extend between the wedge portions 30.
  • the wedge portions 30 are themselves formed by the punching of the opening 32 and the slots 36. When viewing the drawing, the wedge portions 30 are raised or bent forwardly out of the plane of the paper.
  • Figure 4 shows the whole from above.
  • Figures 4 and 5 in conjunction show that the feed-through capacitors 20 with the plug pins 18 carried thereby are simply pushed into position between the wedge portions 30.
  • the tips 32 thereof bear resiliently against the external metallisation 28 on the feed-through capacitors 20. That provides for the desired mechanical and electrical connection.
  • the tips 32 are additionally soldered to the external metallisation 28.
  • the embodiments illustrated in Figures 6 through 8 additionally include metal sleeves 38 which are pushed on to the cylindrical portion of the feed-through capacitors and soldered to the external metallisation 28. Similarly to the embodiment shown in Figure 5, they are also disposed between the tips 32 of the wedge portions 30 where they are resiliently held in position. The resulting press fit is sufficient for the feed-through capacitors 20 to be firmly held in position. Generally the tips 32 are not soldered to the sleeves 38.
  • the feed-­through capacitors 20 have a shoulder 24.
  • the shoulder 24 is of a large outside diameter while in Figure 8 it is of a smaller outside diameter which is identical to the outside diameter of the sleeve 38.
  • the feed-through capacitor 20 is of a smooth cylindrical configuration.
  • the sleeve 38 extends over the entire length thereof.
  • a shoulder 24 as is also shown in Figure 3 permits the feed-through capacitor 20 to be gripped with a gripping tool and moved into a given rotational position. That makes it easier to push in the plug pins 18 if, as shown in figure 3, they are of a rectangular configuration. On the other hand round plug pins can be easily pushed into the feed-­through capacitors without aligning the latter.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP90103368A 1989-02-25 1990-02-22 Electrical multiple plug Withdrawn EP0385259A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8902245U 1989-02-25
DE8902245U DE8902245U1 (de) 1989-02-25 1989-02-25 Vielfachstecker

Publications (1)

Publication Number Publication Date
EP0385259A1 true EP0385259A1 (en) 1990-09-05

Family

ID=6836415

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90103368A Withdrawn EP0385259A1 (en) 1989-02-25 1990-02-22 Electrical multiple plug

Country Status (4)

Country Link
EP (1) EP0385259A1 (sl)
JP (1) JPH0367477A (sl)
CA (1) CA2010849A1 (sl)
DE (1) DE8902245U1 (sl)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152699A (en) * 1990-11-27 1992-10-06 Thomas & Betts Corporation Filtered plug connector
WO1998009350A1 (en) * 1996-08-30 1998-03-05 The Whitaker Corporation Electrical terminal with integral capacitive filter
EP1117159A2 (en) * 1999-12-24 2001-07-18 Sumitomo Wiring Systems, Ltd. Connector
EP1128490A2 (de) * 2000-02-23 2001-08-29 Fujitsu Siemens Computers GmbH EMV-Kontaktierung zwischen einem metallisch geschirmten Steckergehäuse und einem Steckerdurchbruch sowie Stanzstempel und Verfahren zur Herstellung eines Steckerdurchbruches
EP1191645A1 (de) * 2000-09-22 2002-03-27 Siemens Aktiengesellschaft Elektronisches Gerät

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9000316U1 (de) * 1990-01-12 1991-05-08 Siemens Nixdorf Informationssysteme AG, 4790 Paderborn Verbindungseinrichtung zum gegenseitigen Verbinden zweier plattenartiger Bauteile
DE29909127U1 (de) 1999-05-26 1999-09-09 Phoenix Contact Gmbh & Co., 32825 Blomberg Box, insbesondere Sensor-Aktor-Box
DE10208698B4 (de) * 2002-02-28 2004-03-04 Dehn + Söhne Gmbh + Co. Kg Überspannungsschutz-Modul, Überspannungsschutz-Anordnung, insbesondere für Telekommunikations-Einrichtungen, sowie Erdungsanordnung für die Trennleiste der Überspannungs-Schutzanordnung
JP4717450B2 (ja) * 2005-01-28 2011-07-06 株式会社基陽 クリッパー

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1946115A1 (de) * 1968-09-16 1970-03-19 Int Standard Electric Corp Erdungsscheibe
DE2103032A1 (de) * 1970-01-29 1971-08-05 Int Standard Electric Corp Erdungsscheibe

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795462B2 (ja) * 1988-12-23 1995-10-11 株式会社村田製作所 ノイズフィルタ機能付コネクタ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1946115A1 (de) * 1968-09-16 1970-03-19 Int Standard Electric Corp Erdungsscheibe
DE2103032A1 (de) * 1970-01-29 1971-08-05 Int Standard Electric Corp Erdungsscheibe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEW ELECTRONICS *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5152699A (en) * 1990-11-27 1992-10-06 Thomas & Betts Corporation Filtered plug connector
WO1998009350A1 (en) * 1996-08-30 1998-03-05 The Whitaker Corporation Electrical terminal with integral capacitive filter
US5887324A (en) * 1996-08-30 1999-03-30 The Whitaker Corporation Electrical terminal with integral capacitive filter
EP1117159A2 (en) * 1999-12-24 2001-07-18 Sumitomo Wiring Systems, Ltd. Connector
EP1117159A3 (en) * 1999-12-24 2004-03-31 Sumitomo Wiring Systems, Ltd. Connector
EP1128490A2 (de) * 2000-02-23 2001-08-29 Fujitsu Siemens Computers GmbH EMV-Kontaktierung zwischen einem metallisch geschirmten Steckergehäuse und einem Steckerdurchbruch sowie Stanzstempel und Verfahren zur Herstellung eines Steckerdurchbruches
EP1128490A3 (de) * 2000-02-23 2001-11-14 Fujitsu Siemens Computers GmbH EMV-Kontaktierung zwischen einem metallisch geschirmten Steckergehäuse und einem Steckerdurchbruch sowie Stanzstempel und Verfahren zur Herstellung eines Steckerdurchbruches
EP1191645A1 (de) * 2000-09-22 2002-03-27 Siemens Aktiengesellschaft Elektronisches Gerät

Also Published As

Publication number Publication date
DE8902245U1 (de) 1989-05-11
CA2010849A1 (en) 1990-08-25
JPH0367477A (ja) 1991-03-22

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