EP2267847B1 - Appareil avec un connecteur antidéflagrant - Google Patents

Appareil avec un connecteur antidéflagrant Download PDF

Info

Publication number
EP2267847B1
EP2267847B1 EP09007852.8A EP09007852A EP2267847B1 EP 2267847 B1 EP2267847 B1 EP 2267847B1 EP 09007852 A EP09007852 A EP 09007852A EP 2267847 B1 EP2267847 B1 EP 2267847B1
Authority
EP
European Patent Office
Prior art keywords
receiving part
cylindrical wall
contact pin
unit
contact
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.)
Not-in-force
Application number
EP09007852.8A
Other languages
German (de)
English (en)
Other versions
EP2267847A1 (fr
Inventor
Karl-Heinz Lux
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.)
Bartec GmbH
Original Assignee
Bartec GmbH
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 Bartec GmbH filed Critical Bartec GmbH
Priority to EP09007852.8A priority Critical patent/EP2267847B1/fr
Publication of EP2267847A1 publication Critical patent/EP2267847A1/fr
Application granted granted Critical
Publication of EP2267847B1 publication Critical patent/EP2267847B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement

Definitions

  • the US 2,047,126 shows an electrical plug-in device with a receptacle to be inserted into a socket and a male member having on its front side contact cylinder, which can be placed on contact pins on the receiving part.
  • the locking of the male part on the receiving part by means of a tangentially displaceable slide, which is force-loaded by a spring element in a plug-in position in which the slide engages behind an obliquely extending projection on the male part form fit. To release the lock, the slide must be pulled out manually against the force of the spring element.
  • US 2,806,213 A is to be taken from a connector having a receiving part with at least one provided in a body contact bearing.
  • a receiving part engages a tubular insertion part, in which at least one contact pin is provided, which corresponds to the contact bearing, wherein the tubular part engages over the base body.
  • the US 4 166 664 A shows an explosion-proof plug-in connection with a receiving part and a plug-in part, which have electrical contacts for both high-voltage and low-voltage conductors and are coaxially plugged together.
  • the DE 14 90 183 A1 relates to an explosion-proof plug-in connection, which has a plug-in part with at least one contact pin and a receiving part with at least one contact socket, which is mounted in a recess in a bore of an insulating body.
  • a sleeve mounted in the bore which consists of a sublimable material consists, which extinguishes a resulting before insertion of the contact pin into the contact socket arc by evaporation.
  • the in the US 2 626 974 A published explosion-proof connector comprises a receiving part and a plug-in part.
  • an insulating body is provided, which is surrounded at a distance from a metal housing and has insertion holes in which contact sockets are stored reset.
  • the male part also has a metal housing in which a base plate is provided with protruding contact pins. When mating the housing wall of the male reaches the distance between the insulator and metal housing of the receiving part and the contact pins are inserted through the insertion holes in the contact sockets.
  • the DE 199 07 846 C1 discloses an explosion proof connector having a receiving part and a male part.
  • the receiving part consists of an insulating body having a longitudinal bore in which a sealing sleeve and a contact socket are mounted.
  • the male part consists of an insulating piece with a blind hole-like recess in which a contact pin is mounted. The recess is bounded by a wall spaced from the contact pin.
  • the object of the invention is to develop a device unit of the type described above to the effect that a simple and safe replacement of control components and electrical installations in hazardous areas while maintaining the supply circuits is safe to carry out.
  • the device unit according to the invention has a plug-in device which has a plug-in part and a receiving part.
  • the male part is arranged on the underside of a change unit, in which various electrical fittings can be provided, and has at least one, preferably two to thirty, with larger plug-in parts possibly also significantly more, for example, sixty electrical contact pins, which in the downward direction point.
  • the contact pins, which are linked to the electrical fittings, may be suitably fastened in a base plate of the male part and protrude from this.
  • the plug-in part has a cylindrical wall which clearly projects beyond the contact pins and encloses them at a distance, so that the latter are securely protected within the space enclosed by the wall.
  • the length of the contact pins can advantageously be shorter by about half than the wall.
  • the receiving part of the plug-in device is associated with a base unit into which the exchange unit can be inserted.
  • the base unit may be releasably secured within a cabinet or other mounting and may have corresponding connections for the power supply.
  • the receiving part has at least one, preferably two to thirty, with larger receiving parts optionally also significantly more, for. sixty contact bearings, in which the contact pins of the male part can be inserted and which are linked to the terminals.
  • the contact bearings themselves can preferably be mounted in a base body of the receiving part in such a way that the free end side of the base body and the insertion openings of the contact bearing are approximately flush.
  • the receiving part has a cylindrical wall, which encloses the main body with the contact bearings at a distance and preferably clearly surmounted, wherein the length of the contact bearing is advantageously about half shorter than the surrounding wall.
  • an annular recess may be formed at the end facing away from the free end of the base body whose depth is approximately equal to its width, wherein the width of the recess is suitably approximately equal to the thickness of the cylindrical wall of the male part.
  • the degree of attack in the insertion direction is such that a minimum length is given, which is preferably considerably longer than an existing in this insertion between the free ends of the contact pin and the insertion of the contact bearing minimum air space.
  • the existing between the surfaces in the overreach narrow distance and its minimum length in the insertion comply with the guidelines of explosion protection, so that a so-called ignition-proof gap is formed.
  • the interaction of the wall of the male part and the wall of the female part can also be such that the wall of the female part is overlapped by the wall of the male part.
  • the outer diameter of the wall of the receiving part is only slightly smaller than the inner diameter of the wall of the male part to form the standard ignition-proof gap.
  • the contact pins overcome the minimum air gap between their free ends and the insertion openings of the contact bearings and penetrate into the contact bearings.
  • the plug-in part associated wall the inner surface is guided on the peripheral surface of the main body of the receiving part slidably, with its free end face in the annular recess at the base of the body.
  • a locking device which can be brought by hand both in a locking and in a release position.
  • This can be done via a slide, which is advantageously mounted on the base unit.
  • the slider may have at least one projection, which in engages a groove of the exchange unit.
  • two mutually spaced projections may be provided on the slide, which engage in a respective groove formed on opposite sides of the exchange unit groove.
  • Each groove can, seen in the insertion of the exchange unit, have an opening at its beginning.
  • the slider When the exchange unit is inserted into the base unit, the slider is in its retracted position and the projection passes through the opening in the groove in which the projection is tightly guided.
  • the groove has in the insertion a first straight and then a serpentine or meandering course, which is formed by a bend, a Schräganieri, a hairpin and a renewed Schräganieri. If now the projection at the end of the groove straight in the Nutabknickung and the slide on the base unit is slightly pulled forward, then the projection comes in the region of the Schräganteries and the exchange unit is further displaced towards the base unit. At the end of the Schräganieri is the NutspitzLitee.
  • the plug-in device When the projection has arrived here, the plug-in device is pushed into one another so far that between the free ends of the contact pins and the insertion of the contact bearing of the aforementioned minimum air gap. In this position, in the overlapping region of the cylindrical wall of the plug-in part and the cylindrical wall of the receiving part but also the above-described ignition-puncture-proof gap is already formed, so that in the interior of the plug-in device there is a pressure-proof space satisfying the safety requirements. If an explosion would be triggered by sparking in this pressure-resistant space, the latter could not spread due to the ignition-punctured gap.
  • the exchange unit can not be pushed back by the pressure of the explosion in pressure-resistant space, so pushed away from the base unit, so that always a high safety standard is guaranteed.
  • the projection from the hairpin is passed over the second inclined rise to the end of the groove.
  • the exchange unit is further displaced against the base unit and the contact pins of the male part engage in the contact bearings of the female part.
  • the locking device is to be brought by correspondingly reverse manipulations of the slider in the release position.
  • An exchange of the exchange unit can be carried out in the above-described explosion-proof design in the electrical Steckvoriquess Colour largely uninterrupted while maintaining the supply circuits even in explosive areas even trained semi-skilled, with the inclusion of the above-described locking device not only in the active operating position of the unit, but also In critical transition phases during the connection or disconnection of exchange and base unit additionally high security is given.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (2)

  1. Ensemble d'appareil comprenant un dispositif d'enfichage, une unité de base et une unité interchangeable qui comporte une partie de réception et une partie d'enfichage correspondant à celle-ci et au moins une broche de contact électrique pouvant être logée dans un palier de contact électrique, une paroi cylindrique de la partie d'enfichage et une paroi cylindrique de la partie de réception venant en prise l'une dans l'autre en se chevauchant de sorte qu'une fente soit formée dans la zone de chevauchement de la partie de réception, de la paroi cylindrique de la partie d'enfichage et de la paroi cylindrique, la broche de contact dépassant d'une plaque de base et le palier de contact étant situé dans un corps de base, le dispositif d'enfichage étant protégé vis-à-vis d'une séparation indésirable par un dispositif de blocage,
    la broche de contact étant située avec la plaque de base étant dans la partie d'enfichage et le palier de contact étant située avec le corps de base dans la partie de réception, la paroi cylindrique de la partie d'enfichage, étant, en partant de la plaque de base plus longue que la broche de contact, la paroi cylindrique de la partie de réception dépassant du corps de base et de l'ouverture d'enfichage du palier de contact dans sa direction longitudinale, la partie d'enfichage étant située dans l'unité interchangeable dans laquelle sont logés des composants électriques et la partie de réception étant située dans l'unité de base dans laquelle l'unité interchangeable peut être positionnée, dans une première position d'enfichage, l'étendue de l'empiètement des parois cylindriques de la partie de réception et de la partie d'enfichage dans la direction d'enfichage est dimensionnée de façon à obtenir une longueur minimum qui est notablement plus longue que l'un intervalle d'air minimum présent dans cette position d'enfichage entre les extrémités libres de la broche de contact et de l'ouverture d'enfichage, le dispositif de blocage comporte un tiroir monté sur l'unité de base qui vient en prise par au moins une saillie dans une rainure de l'unité interchangeable, la rainure présente, dans la direction d'enfichage de l'unité interchangeable, au début, une ouverture dans laquelle peut être guidée étroitement la saillie, la rainure présente dans la direction d'enfichage, une allure tout d'abord rectiligne, puis en forme d'ondulations ou de méandres qui est formée par un coudage, une pente inclinée, un virage en épingle et une nouvelle pente inclinée, et lors du processus d'enfichage la saillie se trouve au niveau du vitrage en épingle lorsque l'intervalle d'air minimum est situé entre les extrémités libres de la broche de contact et de l'ouverture d'enfichage.
  2. Ensemble d'appareils conformes à la revendication 1,
    caractérisé en ce que
    la fente est située entre la paroi cylindrique de la partie de réception et la surface externe de la paroi cylindrique de la partie d'enfichage.
EP09007852.8A 2009-06-16 2009-06-16 Appareil avec un connecteur antidéflagrant Not-in-force EP2267847B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09007852.8A EP2267847B1 (fr) 2009-06-16 2009-06-16 Appareil avec un connecteur antidéflagrant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09007852.8A EP2267847B1 (fr) 2009-06-16 2009-06-16 Appareil avec un connecteur antidéflagrant

Publications (2)

Publication Number Publication Date
EP2267847A1 EP2267847A1 (fr) 2010-12-29
EP2267847B1 true EP2267847B1 (fr) 2016-08-24

Family

ID=41264109

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09007852.8A Not-in-force EP2267847B1 (fr) 2009-06-16 2009-06-16 Appareil avec un connecteur antidéflagrant

Country Status (1)

Country Link
EP (1) EP2267847B1 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2047126A (en) 1933-04-10 1936-07-07 Crouse Hinds Co Electric plug and socket
US2626974A (en) 1949-09-16 1953-01-27 Pyle National Co Explosion proof plug and socket
US2806213A (en) 1954-09-22 1957-09-10 Crouse Hinds Co Electric plug and receptacle
US3281560A (en) 1963-07-16 1966-10-25 Pyle National Co Explosion-proof connectors for explosive-gas environments
US4166664A (en) 1975-01-24 1979-09-04 Amp Incorporated High voltage quick disconnect electrical connector assembly
DE19907846C1 (de) 1999-02-24 2000-09-21 Abb Patent Gmbh Steckverbinder

Also Published As

Publication number Publication date
EP2267847A1 (fr) 2010-12-29

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