EP0773601A2 - Connexion enfichable de sécurité - Google Patents

Connexion enfichable de sécurité Download PDF

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Publication number
EP0773601A2
EP0773601A2 EP96118210A EP96118210A EP0773601A2 EP 0773601 A2 EP0773601 A2 EP 0773601A2 EP 96118210 A EP96118210 A EP 96118210A EP 96118210 A EP96118210 A EP 96118210A EP 0773601 A2 EP0773601 A2 EP 0773601A2
Authority
EP
European Patent Office
Prior art keywords
plug
sleeve
safety
contact
socket
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Withdrawn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
EP96118210A
Other languages
German (de)
English (en)
Other versions
EP0773601A3 (fr
Inventor
Anton Wermelinger
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0773601A2 publication Critical patent/EP0773601A2/fr
Publication of EP0773601A3 publication Critical patent/EP0773601A3/fr
Withdrawn legal-status Critical Current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
    • H01R13/46—Bases; Cases
    • H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
    • 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
    • H01R13/44—Means for preventing access to live contacts
    • 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
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing

Definitions

  • the present invention relates to a safety plug according to claim 1 and a matching safety socket according to claim 6 and a safety plug connection according to claim 10.
  • Safety plug connections for high currents are known in many embodiments and for many applications and each have a plug fastened in a housing with a plurality of contact pins which can be plugged into a correspondingly designed socket block.
  • the power cable for example 25 amps
  • the socket block are so small that the live sockets cannot be touched.
  • Commercially available plug connections for high currents have socket openings with a diameter of, for example, 6 mm.
  • these multi-pin plug connections are not suitable for high-current connections with large conductor cross-sections for, for example, more than 40 amps, since such multi-pin plug connections can on the one hand no longer be simply plugged together and / or separated by hand.
  • the safety plug has at least one sleeve-shaped contact pin, which is provided on the inside with an insulating inner sleeve that overlaps the end edge of this contact pin, and the safety socket has a contact piece, the connection-side end of which can be pushed onto the sleeve-shaped contact pin.
  • a plug in the inside of the contact sleeve of the safety socket, as well as a protective jacket overlying the contact sleeve ensure that the bare contact surface of the contact sleeve is protected against contact.
  • a protective sleeve arranged around the contact pin of the safety plug and an inner sleeve located inside the sleeve-shaped contact pin ensure that the bare contact surface of the contact pin is also protected against contact.
  • Continuous insulation is provided to make these connectors safe for high-current conductors.
  • This continuous insulation may include one or more pieces of shrink tubing, solid insulation parts, and elastic cuffs.
  • the advantages of the safety plug connection according to the invention are immediately apparent to the person skilled in the art. Especially can the size of the receptacle space, respectively. of the socket area depending on the high-current cable dimensions so that the bare contact surfaces cannot be touched.
  • the present invention also enables an electrical connection with a continuous insulation, which in the event of insufficient grounding prevents destructive and human-damaging breakdowns on the metallic housing.
  • the socket space respectively. the receptacle space is dimensioned so that the conditions according to DIN 57 470 (test finger) are met.
  • DIN 57 470 test finger
  • This DIN standard is an integral part of the European standard EN 60 529 and specifies protection against access to dangerous parts with the aid of an articulated test finger with a diameter of 12 mm and a length of 80 mm. Protection according to this EN standard is guaranteed if there is no penetration to the test finger in any position.
  • high current is to be understood as currents which occur at voltages above 1 kV and have current strengths of about 40 amps.
  • the contact pin 3 is pressed on the cable side with a cable conductor 12 (made of copper and, for example, with a diameter of 20 mm) in order to ensure good electrical contact.
  • a cable conductor 12 made of copper and, for example, with a diameter of 20 mm
  • the contact pin 3 is sleeve-shaped.
  • the inner part is lined with an electrically insulating inner sleeve 4, which inner sleeve 4 covers the end edge of the sleeve-shaped contact pin.
  • the pin space 5 formed in this way is dimensioned such that a plug pin 6 of the socket 2 can be inserted in a form-fitting manner.
  • the outside of the sleeve-shaped contact pin remains bare and serves as a contact surface for the electrical connection with a contact sleeve 23 of the socket 2. It is understood that this contact surface can be equipped with contact lamellae 17 to improve the electrical contact.
  • This sleeve-shaped contact pin part forms, together with the inner sleeve 4, a socket 8 which can be inserted into a socket space 9 of the socket 2.
  • a protective sleeve 10 is attached to the contact pin 3 in such a way that an annular socket space 18 remains free on the connection side between the socket 8 and the protective sleeve 10.
  • This socket space 18 is dimensioned such that a socket 19 of the socket 2 can be inserted therein.
  • the socket space 18 does not allow fingers to reach into it.
  • the socket space 18 preferably has an opening of approximately 6 mm.
  • the plug-in sleeve 10 is in particular made of an electrically insulating solid and has, for example on its outside, a thread 20 with which the contact pin can be screwed into the plug housing 7.
  • This connector housing 7 is not the subject of the present invention and can be equipped in a known manner with clamping levers 21 and a protective cover 22.
  • a rubber-elastic sleeve 15 placed on the protective sleeve 10 has an electrically insulating and moisture-blocking effect, which further reduces the risk of leakage currents.
  • the cross section of the socket 2 shown in FIG. 2 shows a contact piece 23 according to the invention, which in turn is mechanically connected to a conductor 24 on the cable side.
  • this contact piece 23 is shaped like a sleeve and has a centrally arranged plug pin 6 inside, which is dimensioned such that it can be inserted into the pin space 5 of the plug 1.
  • the socket 8 of the plug 1 can be inserted frictionally.
  • a protective jacket 25 is applied to the outside of the contact piece 23 and covers the connection-side end edge of the contact sleeve 23.
  • the inside of the contact sleeve 23 remains bare and serves as a contact surface for the electrical connection to the contact pin 3 of the connector 1.
  • the contact sleeve 23 forms with this protective jacket 25 a socket 19 which is dimensioned such that it frictionally engages in the socket space 18 of the connector 1 is insertable.
  • the protective jacket 25 is made of an electrically insulating solid and, in a preferred embodiment, has a thread 20 with which the entire contact piece 23 can be attached to a socket housing 26.
  • This socket housing 26 can be equipped in a known manner with counterpart levers and a protective cover.
  • the plug pin 6 made of an insulating plastic lies in a form-fitting manner in the electrically insulating inner sleeve 4.
  • the bare contact surfaces of the contact sleeve and the contact pin 3 lie on one another in an electrically conductive manner.
  • the respective contact surfaces can be equipped with contact lamellae 17 or are designed in a known manner as a contact tulip.
  • the thickness of the contact pin depends on the dimension of the high-current cable. It goes without saying that the size of the contact surface by the depth of the socket space 18 and. of the receptacle 9 can be determined. In any case, the width of the socket space 18 or. the receptacle 9 to the contact protection standards according to DIN 57 470 resp. EN 60 529 (test finger) selected accordingly.
  • contact pins allow moisture-proof insulation 13 to be continuous between the cable insulation and the protective sleeve 10 on the one hand. to install the protective jacket 25 on the other hand.
  • These insulations 13 can comprise a suitable shrink tube, a rubber-elastic sleeve or consist of immersed or cast solid insulation materials.
  • FIG. 4 A further development of this preferred embodiment is shown in FIG. 4.
  • a plurality of current-carrying conductors 24 are electrically conductively connected to a collecting plate 31 via a compression sleeve 33.
  • elastic contact disks 32 are preferably inserted between the copper conductors 24 and the collecting plate 31.
  • the contact piece 23 of the safety socket which is fixed centrally on this collecting plate 31, is formed on the connection side as a contact sleeve and has a plug pin 6 in the interior thereof.
  • a protective jacket 25 and a cast insulation 13 ensure the required electrical insulation against the socket housing 26.
  • the associated plug is constructed in an analogous manner.
  • Essential to the invention is also in this embodiment, the diameter-independent connector with a socket 9 or. a socket space 18, which is narrow enough can be trained to protect against accidental contact according to DIN 57 470 respectively. EN 60 529 (test finger).
  • the above-described embodiments are dimensioned or adapted according to the applications and intended current intensities by the person skilled in the field of electrical engineering without inventive intervention. can be shaped.
  • the concentric structure described above can be replaced by a construction chosen with rectangular cross sections.
  • the safety plug connection according to the invention is suitable for the coupling and decoupling of all types of electrical cables and in particular for the electrical connection in railways, high-speed trains or other compositions of electrical machines which are also operated by unskilled personnel.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
EP96118210A 1995-11-13 1996-11-13 Connexion enfichable de sécurité Withdrawn EP0773601A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH320295A CH689029A5 (de) 1995-11-13 1995-11-13 Sicherheitssteckverbindung mit einem Sicherheitsstecker und einer Sicherheitsbuchse mit durchgehender Isolation.
CH3202/95 1995-11-13

Publications (2)

Publication Number Publication Date
EP0773601A2 true EP0773601A2 (fr) 1997-05-14
EP0773601A3 EP0773601A3 (fr) 1997-10-15

Family

ID=4250872

Family Applications (2)

Application Number Title Priority Date Filing Date
EP96118210A Withdrawn EP0773601A3 (fr) 1995-11-13 1996-11-13 Connexion enfichable de sécurité
EP96118228A Withdrawn EP0773602A3 (fr) 1995-11-13 1996-11-13 Système d'assemblage de raccordement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP96118228A Withdrawn EP0773602A3 (fr) 1995-11-13 1996-11-13 Système d'assemblage de raccordement

Country Status (2)

Country Link
EP (2) EP0773601A3 (fr)
CH (1) CH689029A5 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1263089A1 (fr) * 2001-05-29 2002-12-04 Gerhard Petri GmbH & Co. KG Arrangement de connexion pour câbles
DE102015002251B4 (de) * 2014-03-25 2019-11-07 Lear Corporation Elektrischer Verbinder mit Kontaktschutz und elektrische Anschlussbaugruppe

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10149201C1 (de) * 2001-10-05 2003-06-18 Bayerische Motoren Werke Ag Vorrichtung zur Lichtbogenunterdrückung bei einem elektrischen Steckverbinder
GB2469487B (en) * 2009-04-15 2012-08-15 Tyco Electronics Ltd Uk Coaxial cable connector and associated method
KR101713179B1 (ko) * 2010-04-12 2017-03-07 타이코 일렉트로닉스 유케이 리미티드 동축 커넥터 및 이를 어셈블링하는 방법
DE202012003170U1 (de) * 2012-03-28 2012-05-03 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Sicherungssystem für Hochstromanwendungen
DE102016005508A1 (de) * 2016-05-04 2017-11-09 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Hochvoltverbinder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996002886A1 (fr) 1994-07-18 1996-02-01 Honeywell Inc. Appareil a microprocesseur sans interruptions dote d'un moyen de synchronisation au passage par zero du chargement de donnees

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1810871C3 (de) * 1968-11-26 1974-10-17 Pintsch Bamag Antriebs- Und Verkehrstechnik Gmbh, 4220 Dinslaken Elektrische Kontaktkupplung
US3851296A (en) * 1972-09-01 1974-11-26 Raychem Corp Cable coupling
US4417736A (en) * 1978-01-16 1983-11-29 Amp Incorporated High voltage rack and panel connector
FR2611318B1 (fr) * 1987-02-19 1990-03-02 Sertillange Camille Dispositif d'isolement des broches d'un connecteur electrique du type hermaphrodite
US4986764A (en) * 1989-10-31 1991-01-22 Amp Incorporated High voltage lead assembly and connector
DE4239648A1 (de) * 1992-11-26 1994-06-01 Pfisterer Elektrotech Karl Steckverbindungseinrichtung für Kabel
DE19509012C2 (de) 1995-03-13 1997-06-05 Daetwyler Ag Steckvorrichtungs-System zur Verbindung von Mittelspannungs- oder Hochspannungskabeln

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996002886A1 (fr) 1994-07-18 1996-02-01 Honeywell Inc. Appareil a microprocesseur sans interruptions dote d'un moyen de synchronisation au passage par zero du chargement de donnees

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1263089A1 (fr) * 2001-05-29 2002-12-04 Gerhard Petri GmbH & Co. KG Arrangement de connexion pour câbles
WO2002097928A1 (fr) * 2001-05-29 2002-12-05 Gerhard Petri Gmbh & Co. Kg Dispositif de raccordement de cables
US7425152B2 (en) 2001-05-29 2008-09-16 Gph Gmbh Cable connecting device
DE102015002251B4 (de) * 2014-03-25 2019-11-07 Lear Corporation Elektrischer Verbinder mit Kontaktschutz und elektrische Anschlussbaugruppe

Also Published As

Publication number Publication date
EP0773602A3 (fr) 1997-10-15
EP0773601A3 (fr) 1997-10-15
CH689029A5 (de) 1998-07-31
EP0773602A2 (fr) 1997-05-14

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