EP1069019B1 - Dispositif pour realiser une connexion électrique - Google Patents

Dispositif pour realiser une connexion électrique Download PDF

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Publication number
EP1069019B1
EP1069019B1 EP00113087A EP00113087A EP1069019B1 EP 1069019 B1 EP1069019 B1 EP 1069019B1 EP 00113087 A EP00113087 A EP 00113087A EP 00113087 A EP00113087 A EP 00113087A EP 1069019 B1 EP1069019 B1 EP 1069019B1
Authority
EP
European Patent Office
Prior art keywords
plug
electrical
plug element
socket device
creating
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
EP00113087A
Other languages
German (de)
English (en)
Other versions
EP1069019A1 (fr
Inventor
Othmar Czink
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.)
Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Original Assignee
Knorr Bremse Systeme fuer Schienenfahrzeuge 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 Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH filed Critical Knorr Bremse Systeme fuer Schienenfahrzeuge GmbH
Publication of EP1069019A1 publication Critical patent/EP1069019A1/fr
Application granted granted Critical
Publication of EP1069019B1 publication Critical patent/EP1069019B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
    • B61G5/00—Couplings for special purposes not otherwise provided for
    • B61G5/06—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables
    • B61G5/10—Couplings for special purposes not otherwise provided for for, or combined with, couplings or connectors for fluid conduits or electric cables for electric cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members

Definitions

  • the invention relates to a device for realizing an electrical plug connection of an electric coupling device for an automatic pull coupling according to the preamble of claim 1, further an electric coupling device and an automatic pull coupling with such an electric coupling device.
  • Automatic train couplings enable the automated connection of two rail vehicles, with two such couplings establishing a rigid connection between the vehicles in the coupled state.
  • an automatic train coupling comprising a coupling head and a line coupling with a protruding, elastically push-back, and in the coupling state pneumatically forward, in the pressing direction against a counter-coupling coupling head, loaded line coupling head.
  • DE 43 10 741 shows an automatic train coupling with a coupling body and an electrical coupling, which subsequently, i.e. after mechanical coupling is completed. Such a coupling only has to be moved in the longitudinal direction apart from the compensation of certain transverse play between the mechanical couplings.
  • the electric clutch known from DE 43 10 741 is designed such that the electric clutch is released before mechanical uncoupling, so that the longitudinal guidance of the electric clutch is not damaged by the transverse movements forced by the mechanical clutch.
  • All described coupling devices each comprise at least one device for realizing an electrical connection in the form of an electrical plug connection, comprising a plug device and a plug element. These functions are implemented, for example, by the interaction of pin contacts with a socket, butt contacts or knife contacts.
  • a generic plug connection comprising a plug device with at least one first electrical contact, which can be brought into operative connection with a complementary second electrical contact of a plug element by inserting and touching the contact surfaces, is known from the document DE 43 16 902 A1.
  • the contact surfaces of the electrical contacts of plug-in devices and plug-in element are viewed in cross-section in the installed position, aligned at an angle to the theoretical insertion axis of the plug-in element in the plug-in device, and the contact surfaces themselves are designed as lubricating surfaces.
  • the disadvantage of these designs of the devices for realizing an electrical plug connection in an electric coupling device known from the prior art is that, on the one hand, large forces are generated to generate them the electrical connection, due to the contact pressure required to hold the connection, and furthermore, these systems are very susceptible to malfunction with regard to their function in relation to the external influences, in particular vibrations, which occur when used in automatic train couplings, so that the presence of an electrical connection in the coupled Condition cannot always be guaranteed reliably.
  • Another disadvantage of the electrical coupling devices with a device for realizing an electrical connection according to the prior art is that the couplings are often susceptible to faults, since they are exposed to temperature and environmental influences, in particular dirt, without protection.
  • connection device for the plug connection of a plug part with a socket part, which is to be produced with a low plug-in force, and also has an electrical connection with low electrical resistance even after prolonged continuous operation, is known from WO 99 32343 A, wherein a spring-loaded intermediate element is provided, which is used in the Merging is clamped, creates an electrical connection and engages in a socket or plug-side recess. It proves disadvantageous, however, that the connection is susceptible to faults, particularly with regard to the small electrical and mechanical contact areas.
  • the invention is therefore based on the object of further developing a device for realizing an electrical connection, in particular an electrical plug connection for use in electrical coupling devices for an automatic train coupling, in such a way that the disadvantages of the prior art are avoided, in particular the susceptibility to faults by ensuring a safe electrical Connection is significantly reduced even under load.
  • the electric clutch should both in the coupled as have adequate protection against weather and environmental influences, especially pollution, in the uncoupled position.
  • the contact pressure on the plug-in element that is to be used to implement and maintain the electrical connection should be as low as possible, while at the same time high separation and coupling speeds, i.e. high speeds in the implementation of the electrical coupling and the disconnection process, i.e. the solution of the electrical coupling are desired.
  • the electrical contact and thus the electrical connection In the axial direction, i.e. When viewed in the installation position in the direction of the theoretical connecting axis of the two rail vehicles or waggons to be connected by means of the automatic train coupling, the electrical contact and thus the electrical connection must be ensured at all times and under disruptive influences within the interlocking play of the electrical coupling. for example, even with strong vibrations in this direction. Due to the intended use and the associated requirements for possible downtime and changeover times to be provided, the device for realizing the electrical connection should be characterized by a long service life and low maintenance.
  • the device for realizing an electrical connection comprises a plug-in device carrying at least one first electrical contact or a plurality of first electrical contacts and a plug-in element carrying at least one second electrical contact or a large number of second electrical contacts, the first contacts being used to implement the electrical connection the second contacts can be brought into active connection.
  • the electrical contacts are connected to corresponding connecting lines.
  • the electrical contacts of the plug device are brought into operative connection with the electrical contacts on the plug element by inserting the plug element into the plug device. This is done by the contacts lying flat together.
  • this is achieved by the curved design of the contact surfaces on the plug-in device or on the plug-in element as lubricating surfaces, which are oriented at an angle to the axis of insertion of the plug-in element into the plug-in device when viewed in cross section of the device.
  • the contact surfaces in the form of lubricating surfaces which can be described and brought into operative connection with one another by the electrical contacts of the plug-in element and the plug-in device, are preferably curved or arcuate, or can be described by at least one circular arc, such that the contact between the electrical contacts of the individual elements is retained even in the case of a theoretically possible relative movement of the plug element with respect to the plug device in the direction of the insertion axis of small size, which can be characterized by the theoretically permissible longitudinal play, ie the electrical contacts at least partially touch.
  • the sliding surfaces on the plug-in element can be described by at least two different radii.
  • the plug contacts of the plug device which are complementary to the plug element are preferably circular in cross section and form the contact surface which is complementary to the sliding surface on the plug element and which can be described by only one radius.
  • the alignment taking place at an angle to the insertion axis and the arcuate configuration enable a high contact pressure to be provided even with a small force on the plug element.
  • the cross-sectional area of the sliding surfaces on the plug-in element are created in the form of a toggle lever when viewed in cross section. This forms forging surfaces in the coupling area, which enable the realization of an electrical contact through surface contact.
  • the electrical contacts are arranged on the sliding surfaces or are formed by the plug element when it is made of an electrically conductive material.
  • the connecting lines extend in the electrical plug-in element up to the sliding surfaces and, when coupled to the plug-in device, come into operative connection with the contacts contained therein.
  • the solution according to the invention makes it possible to produce electrical contacts in a simple and reliable manner. Due to the design of the areas that come into active connection with surface contact, the force required to generate and maintain the contact can be kept considerably lower compared to the designs known from the prior art.
  • the toggle lever effect enables a safe contact in the case of large vibrations occurring in the axial direction when used in electric clutches. in the direction of the theoretical connecting axis of the rail vehicles to be coupled to one another by means of the automatic train coupling.
  • the geometrical design of the plug element with toggle lever and sliding surfaces with a complementary arrangement and design of the contact surfaces of the plug device which are circular in cross section in the theoretically possible contact area furthermore enables the realization of a short coupling path.
  • the contact path in the axial direction is considerably less than the designs known in the prior art. Since most of the total frictional resistance occurs at the contact point, the coupling and separation energy can be kept low.
  • Another advantage is that, due to the small coupling path and the surface contact, the friction path can also be kept low due to the short plug path.
  • the relative movement of the contact surfaces on the plug element relative to the contact surfaces in the plug is determined, as a result of which a self-cleaning effect is achieved.
  • the plug-in device has a socket which is designed as a spring clip segment and which supports the plug-in device segments elastically.
  • the plug-in device segments are also viewed in cross-section, can be subdivided into at least three partial areas, a first partial area which is designed as a projection and which engages in the bulge of the socket, a second partial area which carries the electrical contacts and a third partial area which is connected to the toggle lever of the plug-in element has a complementary contour, however, with a larger dimension and thus enables a form-fit entrainment of the plug-in element under certain operating conditions.
  • the socket is preferably designed to be open on the side facing away from the insertion side of the plug element. Together with the V-shaped design of the individual segments, there is thus the possibility of easy removal of deposits, e.g. Dust, sand e.t.c.
  • the device designed according to the invention for realizing an electrical connection is versatile.
  • a preferred use is for those applications in which high contact forces are to be provided with a small plug force.
  • An example of this are electric coupling devices that can be used in automatic train couplings.
  • FIG. 1 a illustrates an embodiment of a device designed according to the invention for realizing an electrical connection 1, comprising a plug device 3 carrying first electrical contacts 2 and a plug element 5 carrying second electrical contacts 4, which by coupling an electrical connection between the plug device and the plug device 3 and the plug element 5 connected or connected to these electrical line systems, here representative 6a and 6d for the electrical contacts 2a and 2d of the plug device 3 and 7a and 7d for the electrical contacts 4a and 4d of the plug element 5.
  • the connector 3 carries six electrical contacts in the case shown. These are shown in FIG. 1c in a view from above of the plug-in device 3 as shown in FIG. 1a and labeled 2a-2f.
  • the plug element 5 carries the complementary electrical contacts 4a to 4f which can be brought into operative connection with them, as shown in view II according to FIG. 1a in FIG. 1c.
  • the plug device 3 is divided into six plug device segments 3a to 3f and the plug element into six plug element segments 5a to 5f. These segments can be made of plastic. Only in the area of the contact surfaces are they then coated with an electrical contact material to implement the function, which is connected to the electrical connecting lines 6a to 6f or 7a to 7f.
  • the individual segments, plug-in element segments 5a to 5f and plug-in device segments 3a to 3f entirely from an electrically conductive material, for example metallic material, the contact surfaces not requiring any separate coating. In this case, however, appropriate insulation must be provided between the individual segments to ensure functionality and safety.
  • the coupling is done mechanically and electrically.
  • the electrical contacts 2 of the plug device 3 are brought into operative connection with the electrical contacts 4 on the plug element 5. This is done by the contacts lying flat against one another. According to the invention, this is achieved by means of sliding surfaces 8 on the plug device or 9 on the plug element 5.
  • the contact surfaces which can be described and can be brought into operative connection with one another by the electrical contacts 4a to 4f of the plug-in element and 2a to 2f of the plug-in device are designed as sliding surfaces 8a to 8f or 9a to 9f in cross section such that the contact between the electrical contacts 4a to 4f and 2a to 2f even with a theoretically possible relative movement from plug element 5 to plug device 3 of small size (longitudinal play compensation) in the direction of the insertion axis A of plug element 5 into plug device 3.
  • the electrical contacts 2a to 2f complementary to the plug-in element 5 or the fusible surfaces 8a to 8f on the plug-in device 3, which can be described in terms of their cross-section, are preferably circular and form the abutment surfaces on the male element 5 which are complementary to the lubricating surface 9a to 9f and which are characterized by only have a radius described.
  • the contact surfaces of the electrical contacts, viewed in the coupled state of plug device 3 and plug element 5, are oriented at an angle to the insertion axis A.
  • the plug element 5 is designed in its end region 10 in the direction of insertion of the plug element 5 into the plug device 3 in cross section in the individual segments 5a to 5f in the form of a toggle lever.
  • the geometric design as a toggle lever offers, in addition to the cross-sectionally curved configuration of the sliding surfaces 9a-9f, the advantage that when the plug device 3 is designed in the coupling area with a correspondingly larger recess complementary to the toggle lever, a larger dimension during the disconnection process, that is to say the loosening of the electrical connection at a high disconnection speed Carried into the starting position.
  • the plug-in device 3 comprises a socket 11, which is designed as a spring clip segment and in which the individual plug-in device segments 2a to 2f are elastically supported and supported.
  • the individual plug-in device segments 3a to 3f are V-shaped in a view II-II according to FIG. 1a as shown in FIG. 1c, the end regions 12.1a, 12.1b-12.6a, 12.6b of the individual legs 12.1 to 12.6 in a bulge 13 the version 11 intervene. Viewed in cross-section, as shown in FIG.
  • each segment 3a to 3f can be subdivided into at least three partial areas, a first partial area 14 which is designed as a projection and which engages in the bulge 13 of the holder 11, a second partial area 15 which the electrical contacts 2 carries and a third portion 16, which has a complementary to the toggle of the plug-in element 5 but with a larger dimension and thus allows a positive entrainment of the plug-in element 5 under certain conditions of use.
  • the socket 11 is preferably designed to be open on the side facing away from the insertion side of the plug element 5. Together with the V-shaped design of the individual segments 3a to 3f, there is therefore the possibility of easily removing deposits, such as dust, sand, etc
  • the sliding surfaces 8a-8f of the plug-in device and the sliding surfaces 9a to 9f of the plug-in element are aligned in this direction in FIGS. 1 and are straight. There is also the possibility, not shown here, of aligning the sliding surfaces in the circumferential direction with respect to the insertion axis A on a specific diameter.
  • FIGS. 2a to 2c illustrate a further embodiment of a device designed according to the invention for realizing an electrical connection 1.2 in a flat arrangement.
  • the basic structure corresponds essentially to that described in FIG. 1, which is why the same reference numerals are used for the same elements.
  • the flat arrangement is characterized in that plug device 3.2 and plug element 5.2 can be described by a rectangular contour in a view from above, ie on the insertion axis A.
  • the sliding surfaces 8a.2 and 8b.2 of the plug-in device 3.2 are designed in the form of a circular arc when viewed in cross section of the device 1.2.
  • the view from above according to FIG. 2b illustrates an embodiment of the forging surfaces parallel to the insertion axis or a plane which can be described by the insertion axis A and a perpendicular to the latter.
  • FIG. 3 illustrates an alternative embodiment of a device for realizing an electrical connection 1.3, in which the elements of the plug element 5.3 forming the contact surfaces are each formed by a spring clip.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (10)

  1. Dispositif pour réaliser un raccordement électrique par fiche (1, 1.2,1.3) comprenant une installation d'enfichage (3. 3.2, 3.3) ayant au moins un ou plusieurs premiers contacts électriques (2, 2a-2f) qu'on peut amener en liaison active avec de deuxièmes contacts électriques (4a-4f), qui leur sont complémentaires, d'un élément enfichable (5, 5.2, 5.3) par enfichage et par contact réciproque des surfaces de contact ;
    les surfaces de contact sont réalisées en tant que surfaces en équerre (8a-8f, 9a-9f) ayant une coupe transversale courbée ;
    les sections transversales des surfaces en équerre (8a-8f, 9a-9f) sur l'élément enfichable (5, 5.2, 5.3) et sur l'installation d'enfichage (3. 3.2, 3.3) sont réalisées de façon circulaire ;
    au moins les surfaces en équerre (8a-8f, 9a-9f) de l'élément enfichable (5, 5.2, 5.3) ou de l'installation d'enfichage (3. 3.2, 3.3) peuvent respectivement être décrites par au moins deux rayons différents, de telle manière que même en cas de mouvement relatif d'une dimension discrétionnaire de l'élément enfichable (5, 5.2, 5.3) par rapport à l'installation d'enfichage (3. 3.2, 3.3) on assure au moins en partie une application en surface des surfaces en équerre (8a-8f, 9a-9f) de l'élément enfichable (5, 5.2, 5.3) ou de l'installation d'enfichage (3. 3.2, 3.3) ;
    caractérisé par les dispositions suivantes :
    les surfacés en équerre des contacts électriques (2a-2f, 4a-4f) de l'installation d'enfichage (3, 3.2, 3.3) et de l'élément enfichable (5, 5.2, 5.3), vues en coupe transversale, sont orientés en faisant un angle avec l'axe d'insertion A théorique de l'élément enfichable (5, 5.2, 5.3) dans l'installation d'enfichage (3, 3.2, 3.3).
  2. Dispositif pour réaliser un raccordement électrique par fiche selon la revendication 1 caractérisé par la disposition suivante :
    l'élément enfichable (5.2) et l'installation d'enfichage (3.2) présentent, dans une vue de dessus sur l'axe d'insertion A, une section transversale essentiellement rectangulaire.
  3. Dispositif pour réaliser un raccordement électrique par fiche selon la revendication 2 caractérisé par les dispositions suivantes :
    l'élément enfichable (5.2) et l'installation d'enfichage (3.2) sont construits symétriquement par rapport à un plan où se trouve l'axe d'insertion A ;
    l'orientation des surfaces en équerre (8a-8f, 9a-9f) s'effectue parallèlement à ce plan.
  4. Dispositif pour réaliser un raccordement électrique par fiche selon l'une des revendications 1 à 3 caractérisé par les dispositions suivantes :
    l'élément enfichable (5) présente un grand nombre de segments d'élément enfichable (5a-5f) ;
    l'installation d'enfichage (3) présente un grand nombre de segments d'installation d'enfichage (3a-3f);
    la disposition des segments (5a-5f, 3a-3f), vue en direction périphérique de l'axe d'insertion A, est de révolution.
  5. Dispositif pour réaliser un raccordement électrique par fiche selon la revendication 4 caractérisé par la disposition suivante :
    les surfaces en équerre (8a-8f, 9a-9f) sont orientées en direction périphérique de l'axe d'insertion A et réalisées de façon plane dans cette direction.
  6. Dispositif pour réaliser un raccordement électrique par fiche selon la revendication 4 caractérisé par la disposition suivante :
    les surfaces en équerre (8a-8f, 9a-9f) sont orientées en direction périphérique de l'axe d'insertion A et réalisées de façon recourbée dans cette direction.
  7. Dispositif pour réaliser un raccordement électrique par fiche selon l'une des revendications 1 à 6 caractérisé par les dispositions suivantes :
    l'installation d'enfichage (3, 3.2, 3.3) présente une douille (11) pour l'appui élastique des segments d'installation d'enfichage (3a-3f) ;
    chacun des segments (3a-3f) est subdivisé en au moins trois sections partielles, une première section partielle (14) qui pénètre à complémentarité de forme dans la douille, une deuxième section partielle (15) destinée à porter le contact électrique et une troisième section partielle (16) qui présente un creux, complémentaire au contour de l'élément enfichable dans la zone de couplage, qui présente une dimension supérieure pour la prise à complémentarité de forme de l'élément enfichable.
  8. Dispositif pour réaliser un raccordement électrique par fiche selon la revendication 7 caractérisé par la disposition suivante :
    les segments d'installation d'enfichage (3a-3f) présentent dans la troisième zone partielle (16) deux branches en V , qui s'appuient dans la douille (11).
  9. Installation de couplage électrique pour un couplage automatique de train caractérisé en ce que celui-ci comprend au moins un dispositif pour réaliser un raccordement électrique par fiche selon l'une des revendications 1 à 8.
  10. Couplage automatique de train caractérisé en ce qu'il comprend une installation de couplage électrique selon la revendication 9.
EP00113087A 1999-07-12 2000-06-27 Dispositif pour realiser une connexion électrique Expired - Lifetime EP1069019B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19932469A DE19932469C2 (de) 1999-07-12 1999-07-12 Vorrichtung zur Realisierung einer elektrischen Steckverbindung
DE19932469 1999-07-12

Publications (2)

Publication Number Publication Date
EP1069019A1 EP1069019A1 (fr) 2001-01-17
EP1069019B1 true EP1069019B1 (fr) 2003-01-29

Family

ID=7914452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00113087A Expired - Lifetime EP1069019B1 (fr) 1999-07-12 2000-06-27 Dispositif pour realiser une connexion électrique

Country Status (2)

Country Link
EP (1) EP1069019B1 (fr)
DE (2) DE19932469C2 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1008377B (de) * 1953-02-20 1957-05-16 Bergische Stahlindustrie Druckkontakt fuer elektrische Leitungen, insbesondere bei Fahrzeugkupplungen
DE1563964B2 (de) * 1964-02-24 1973-01-11 Selbsttaetige elektrische kupplung fuer die heiz- und/oder steuerstromkreise von vollbahnen
DE4106421A1 (de) * 1991-02-28 1992-09-03 Knorr Bremse Ag Selbsttaetige kupplung fuer schienenfahrzeuge
FR2691584A1 (fr) * 1992-05-21 1993-11-26 Drogo Pierre Connecteur électrique et dispositif de connexion électrique comportant au moins un tel connecteur.
DE4310741A1 (de) * 1993-04-01 1994-10-06 Knorr Bremse Ag Automatische Kupplung für Schienenfahrzeuge
US5833482A (en) * 1995-09-08 1998-11-10 The Whitaker Corporation Pivotable electrical connector
DE19756533A1 (de) * 1997-12-18 1999-07-01 Knorr Bremse Systeme Verbindungsvorrichtung zur Steckverbindung eines Steckerteils mit einem Buchsenteil

Also Published As

Publication number Publication date
DE19932469A1 (de) 2001-02-08
DE19932469C2 (de) 2001-05-17
EP1069019A1 (fr) 2001-01-17
DE50001157D1 (de) 2003-03-06

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