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EP3293831B1 - Systeme electrique et element d'adaptateur pour un systeme electrique - Google Patents

Systeme electrique et element d'adaptateur pour un systeme electrique Download PDF

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Publication number
EP3293831B1
EP3293831B1 EP16188004.2A EP16188004A EP3293831B1 EP 3293831 B1 EP3293831 B1 EP 3293831B1 EP 16188004 A EP16188004 A EP 16188004A EP 3293831 B1 EP3293831 B1 EP 3293831B1
Authority
EP
European Patent Office
Prior art keywords
sleeve
slot
arrangement
separating slot
grooves
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.)
Active
Application number
EP16188004.2A
Other languages
German (de)
English (en)
Other versions
EP3293831A1 (fr
Inventor
Engelbert Engels
Achim Langens
Christian Paul
Tim Schnitzler
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 Energy Global GmbH and Co KG
Original Assignee
Siemens Energy Global GmbH and Co KG
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 Energy Global GmbH and Co KG filed Critical Siemens Energy Global GmbH and Co KG
Priority to EP16188004.2A priority Critical patent/EP3293831B1/fr
Publication of EP3293831A1 publication Critical patent/EP3293831A1/fr
Application granted granted Critical
Publication of EP3293831B1 publication Critical patent/EP3293831B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28End pieces consisting of a ferrule or sleeve
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/28End pieces consisting of a ferrule or sleeve
    • H01R11/281End pieces consisting of a ferrule or sleeve for connections to batteries
    • H01R11/287Intermediate parts between battery post and cable end piece

Definitions

  • the invention relates to electrical assemblies and adapter elements for electrical assemblies.
  • a carrier element having at least one bushing, a current conductor passed through the bushing, an electrically conductive adapter element that is placed on the conductor end of the current conductor protruding from the bushing, and an electrical connection terminal placed on the adapter element.
  • the adapter element is used to adjust the diameter between the connection terminal and the conductor end protruding from the bushing.
  • An electrical storage battery in which an adapter sleeve equipped with a longitudinal gap is provided for adapting a diameter of a connecting bolt of the battery.
  • connection terminal of a welding current cable comprises a sleeve which has longitudinal and transverse grooves of low groove depth to reduce its dimensional stability.
  • the invention is based on the object of specifying an electrical arrangement with an optimized adapter element.
  • the adapter element is a sleeve, the sleeve wall of which is provided with a separating slot which extends along the longitudinal axis of the sleeve from one of the two sleeve ends to the other of the two sleeve ends.
  • a major advantage of the arrangement according to the invention is that the sleeve provided as an adapter element according to the invention can be produced easily and inexpensively, because it does not require threads or contact lamellas, which would require additional surface finishing of the inner wall of the sleeve and no additional fastening elements are required. Nevertheless, the sleeve ensures a very low contact resistance to the conductor end, because the separating slot provided according to the invention enables a certain deformability of the sleeve, be it plastic and / or elastic, so that the sleeve can be pressed onto the conductor end over its entire surface on the inside wall.
  • the separating slot is preferably straight.
  • the slot longitudinal axis of the separating slot is preferably aligned parallel to the longitudinal axis of the sleeve.
  • the separating slot - viewed from the sleeve outer wall - extends radially with or without a tangential component in the direction of the center of the sleeve.
  • the separating slot extends - viewed from the sleeve outer wall - exclusively radially - that is, without a tangential component - in the direction of the center of the sleeve.
  • the separating slot is preferably delimited by two opposing slot surfaces, each of which is parallel are arranged to the fictitious connecting line between the slot center and the sleeve center.
  • the sleeve in addition to the separating slot, has at least one groove which extends radially from the outside to the inside and has a radially inner groove base.
  • the groove extends along the longitudinal axis of the sleeve from one of the two sleeve ends to the other of the two sleeve ends and has a groove opening at each of the two sleeve ends.
  • the groove depth is between 50% and 99%, preferably between 85% and 95%, of the sleeve wall thickness.
  • the sleeve has six grooves which each extend radially from the outside inwards and have a radially inner groove base.
  • the grooves are arranged rotationally symmetrically.
  • the grooves preferably each have the same groove depth.
  • the separating slot it is considered advantageous if it is arranged centrally between two adjacent grooves.
  • the sleeve In order to ensure that the inner wall of the sleeve conforms well to the end of the conductor, the sleeve has six rotationally symmetrical grooves.
  • the connecting terminal is clamped onto the sleeve and, due to the clamping, onto the latter exerts a clamping force and because of its deformability by the clamping force, the sleeve is pressed radially from the outside onto the conductor end of the current conductor.
  • the sleeve is preferably made of a conductive material, in particular metal, such as copper.
  • the wall thickness of the sleeve is preferably between 10 mm and 30 mm.
  • the sleeve length and the length of the grooves are preferably between 50 mm and 100 mm.
  • the inner diameter of the sleeve is preferably between 30 and 50 mm.
  • the outer diameter of the sleeve is preferably between 60 and 80 mm.
  • the cross-sectional outer contour of the sleeve is - apart from the separating slot and the grooves - preferably circular.
  • the cross-sectional inner contour of the sleeve is - apart from the separating slot - preferably also circular.
  • the Figure 1 shows, in a cross section, an electrical arrangement 10 which includes a carrier element 20, among other things.
  • the carrier element 20 forms a bushing head of a bushing housing and has a bushing 21 which enables a conductor 30 to exit the bushing housing.
  • a conductor end 31 of the conductor 30 protrudes from the bushing 21 or the carrier element 20 at the top.
  • An adapter element in the form of a threaded sleeve 40 is screwed onto the conductor end 31 of the current conductor 30.
  • To screw on the threaded sleeve 40 it is equipped with an internal thread 41 which is screwed onto a matching external thread on the conductor end 31.
  • a further fastening and bracing of the threaded sleeve 40 must take place here by means of an additional screw 42
  • the function of the threaded sleeve 40 is to carry out a diameter adjustment to an electrical connection terminal 50, the inner diameter Di of which is significantly larger than that Outer diameter Da of the conductor end 31 of the conductor 30 is.
  • the threaded sleeve 40 is first screwed onto the conductor end 31 of the current conductor 30; subsequently the connection terminal 50 is then placed on the threaded sleeve 40 and clamped onto it.
  • the threaded sleeve 40 is braced by means of a screw connection on the conductor end 31 through the interaction of the internal thread 41 of the threaded sleeve 40 and the corresponding external thread of the conductor end 31.
  • the electrical contact resistance between the threaded sleeve 40 and the conductor end 31 is determined by the Bracing of the thread flanks determined.
  • the Figure 2 shows an electrical arrangement 10 in which a sleeve 60 with contact lamellas 61 functions as an adapter element and effects a diameter adjustment between the outer diameter of the conductor end 31 and the inner diameter Di of the connecting terminal 50.
  • the contact lamellas 61 serve to keep the electrical contact resistance between the sleeve 60 and the conductor end 31 as low as possible.
  • the Figure 3 shows an exemplary embodiment of an electrical arrangement according to the invention, in which a sleeve 100 is used as an adapter element, which is provided with a separating slot 110 (see FIG Figures 4 and 5 ) Is provided. Because of the separating slot, the sleeve 100 is flexible or deformable with regard to its inner diameter, so that the sleeve inner wall 101i of the sleeve 100 can rest over the entire surface of the conductor end 31 of the current conductor 30 on the inner wall side.
  • connection terminal 50 can press the sleeve 100 onto the conductor outer wall 32 of the conductor end 31 by clamping or clamping on the outside, see above that the electrical contact resistance between the sleeve 100 and the conductor end 31 is minimal.
  • the Figure 4 shows the sleeve 100 in a three-dimensional representation obliquely from the side.
  • the separating slot 110 can be seen, which extends radially completely through the sleeve wall 101 and completely separates the sleeve wall 101.
  • the separating slot 110 extends from the in the Figure 4 front sleeve end 102 to the rear sleeve end 103 in FIG.
  • the separating slot 110 leads to the sleeve 100 being at least slightly plastically and / or elastically deformable; this is because it is possible to compress the sleeve 100 slightly by reducing the slot width of the separating slot 110 by exerting an external compressive force, or to expand the sleeve 100 by expanding the slot width by pulling the separating slot 110 apart.
  • the separating slot 110 is straight and has a slot longitudinal axis S which is aligned parallel to the longitudinal axis of the sleeve 100.
  • the Figure 4 recognize that the separating slot 110 or its slot plane - viewed from the outside or from the sleeve outer wall - extends exclusively radially or in other words without a tangential component in the direction of the sleeve center M.
  • the sleeve 100 is provided with six grooves 120, which are preferably arranged rotationally symmetrical.
  • the separating slot 110 is preferably arranged centrally between two adjacent grooves 120.
  • the grooves preferably extend completely from the front sleeve end 102 to the rear sleeve end 103 and each have a groove opening in the region of the sleeve ends, the surface normal of which is arranged parallel to the longitudinal axis of the sleeve 100.
  • the groove opening in the region of the front sleeve end 102 is in the Figure 4 denoted by the reference numeral 121; the groove opening at the rear end of the sleeve 103 carries in the Figure 4 the reference number 122.
  • FIG. 14 shows a top view of the front sleeve end 102 of the sleeve 100 according to FIG Figures 3 and 4th in more detail.
  • the separating slot 110 is delimited by two opposing slot surfaces 111 and 112 which are each arranged parallel to a fictitious connecting line FVL between the slot center of the separating slot 110 and the sleeve center M.
  • the direction of extent of the separating slot 110 or the separating slot plane E is thus - as already mentioned - aligned radially in the direction of the center M of the sleeve.
  • the Figure 5 also shows the design of the grooves 120 in more detail. It can be seen that the grooves extend radially inward from the sleeve outer wall 101a and each have a radially inner groove base 123.
  • the groove depth T of the grooves 120 is preferably in a range between 85% and 95% of the sleeve wall thickness W of the sleeve wall 101.
  • the groove bottom 123 of the grooves 120 each delimits a web 150 between the respective groove and the sleeve inner wall 101i of the sleeve 100.
  • the thickness of the webs 150 is preferably in a range between 5 and 15% of the sleeve wall thickness W.
  • the Figure 6 shows the sleeve wall 101 of the sleeve 100 again in a side view.
  • One recognizes three grooves 120 which extend radially inward from the sleeve outer wall 101a in the direction of the sleeve center.
  • the Figure 7 shows an exemplary embodiment for a sleeve 100 in which the separating slot 110 or its slot plane E - viewed from the outside or from the sleeve outer wall 101a - extends both radially and tangentially or with a tangential component in the direction of the sleeve center M.

Landscapes

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

Claims (9)

  1. Système (10) électrique
    - comprenant un conducteur (30) de courant passant par une traversée (21) à travers un élément de support,
    - un élément d'adaptateur conducteur de l'électricité, qui est mis sur l'extrémité (31), sortant de la traversée (21), du conducteur (30) de courant, et
    - une borne (50) de connexion électrique mise sur l'élément d'adaptateur, dans lequel
    l'élément d'adaptateur est un manchon (100,) dont la paroi (101) est pourvue d'une fente (110) de séparation, qui s'étend le long de l'axe longitudinal du manchon de l'une des deux extrémités (102, 103) du manchon à l'autre des deux extrémités (102, 103) du manchon,
    caractérisé en ce que le manchon (100) a en plus de la fente (110) de séparation au moins une rainure (120), qui s'étend radialement de l'extérieur vers l'intérieur et qui a un fond (123) de rainure se trouvant à l'intérieur radialement, la profondeur (T) de la rainure représentant entre 50% et 99% de l'épaisseur (W) de la paroi du manchon et le manchon (100) ayant exactement six rainures (120) de ce genre disposées à symétrie de révolution.
  2. Agencement (10) suivant la revendication 1,
    caractérisé en ce que la fente (110) de séparation est rectiligne et l'axe (S) longitudinal de la fente (110) de séparation est dirigée parallèlement à l'axe longitudinal du manchon (100).
  3. Agencement (10) suivant l'une des revendications précédentes,
    caractérisé en ce que la fente (110) de séparation s'étend - considérée depuis la paroi (101a) extérieure du manchon-radialement en direction du milieu (M) du manchon.
  4. Agencement (10) suivant l'une des revendications précédentes,
    caractérisé en ce que la fente (110) de séparation est délimitée par deux surfaces (111, 112) de fente opposées l'une à l'autre, qui sont disposées respectivement parallèlement à la ligne (FVL) fictive de liaison entre le milieu de la fente et le milieu (M) du manchon.
  5. Agencement (10) suivant la revendication 1,
    caractérisé en ce que la rainure (120) respective s'étend le long de l'axe longitudinal du manchon de l'une des deux extrémités (102, 103) du manchon à l'autre des deux extrémités (102, 103) du manchon et a respectivement une ouverture (121, 122) de rainure à chacune des deux extrémités (102, 103) du manchon.
  6. Agencement (10) suivant l'une des revendications précédentes,
    caractérisé en ce que les rainures (120) ont la même profondeur (T).
  7. Agencement (10) suivant l'une des revendications précédentes,
    caractérisé en ce que la fente (110) de séparation est disposée au milieu entre deux rainures (120) voisines.
  8. Agencement (10) suivant l'une des revendications précédentes,
    caractérisé en ce que
    - le manchon (100) peut, en raison de la fente (110) de séparation, être déformé plastiquement et/ou élastiquement et
    - la borne (50) de connexion est serrée sur le manchon (100) et en raison du serrage lui applique une force de serrage et
    - le manchon (100) est, en raison de son aptitude à se déformer, pressé par la force de serrage de l'extérieur radialement sur l'extrémité (31) du conducteur (30) de courant.
  9. Agencement (10) suivant l'une des revendications précédentes,
    caractérisé en ce que
    - l'épaisseur de la paroi du manchon (100) est comprise entre 10 mm et 30 mm,
    - la longueur du manchon et la longueur des rainures (120) est plus grande que 50 mm,
    - le manchon (100) est en un matériau conducteur de l'électricité,
    - le diamètre intérieur du manchon (100) est compris entre 30 et 50 mm et/ou
    - le diamètre extérieur du manchon (100) est compris entre 60 et 80 mm.
EP16188004.2A 2016-09-09 2016-09-09 Systeme electrique et element d'adaptateur pour un systeme electrique Active EP3293831B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16188004.2A EP3293831B1 (fr) 2016-09-09 2016-09-09 Systeme electrique et element d'adaptateur pour un systeme electrique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16188004.2A EP3293831B1 (fr) 2016-09-09 2016-09-09 Systeme electrique et element d'adaptateur pour un systeme electrique

Publications (2)

Publication Number Publication Date
EP3293831A1 EP3293831A1 (fr) 2018-03-14
EP3293831B1 true EP3293831B1 (fr) 2021-07-21

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ID=56926022

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16188004.2A Active EP3293831B1 (fr) 2016-09-09 2016-09-09 Systeme electrique et element d'adaptateur pour un systeme electrique

Country Status (1)

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EP (1) EP3293831B1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349473A2 (fr) * 1988-06-29 1990-01-03 Accumulatorenwerke Hoppecke Carl Zoellner & Sohn GmbH & Co. KG Batterie, en particulier pour véhicules automobiles

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950019C (de) * 1954-12-17 1956-10-04 Sulzer Ag Anschlussklemme, insbesondere eines Schweissstrom-Kabels an einer drehbaren Schweissvorrichtung
GB8613736D0 (en) * 1986-06-06 1986-07-09 Lucas Ind Plc Electric storage batteries
US6155889A (en) * 1999-01-06 2000-12-05 Lightning Audio Corporation Battery terminal connector
JP2005122971A (ja) * 2003-10-15 2005-05-12 Hitachi Mobile Co Ltd バッテリターミナル用簡易接続器

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0349473A2 (fr) * 1988-06-29 1990-01-03 Accumulatorenwerke Hoppecke Carl Zoellner & Sohn GmbH & Co. KG Batterie, en particulier pour véhicules automobiles

Also Published As

Publication number Publication date
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