EP3590152B1 - Anschlussvorrichtung zum crimpen auf ein endteil eines kabels mit einer leitenden hülse, die mit einer wand zur trennung von zwei sitzen ausgestattet ist - Google Patents

Anschlussvorrichtung zum crimpen auf ein endteil eines kabels mit einer leitenden hülse, die mit einer wand zur trennung von zwei sitzen ausgestattet ist Download PDF

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Publication number
EP3590152B1
EP3590152B1 EP18711390.7A EP18711390A EP3590152B1 EP 3590152 B1 EP3590152 B1 EP 3590152B1 EP 18711390 A EP18711390 A EP 18711390A EP 3590152 B1 EP3590152 B1 EP 3590152B1
Authority
EP
European Patent Office
Prior art keywords
envelope
conductive
cable
longitudinal
strand
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
EP18711390.7A
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English (en)
French (fr)
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EP3590152A1 (de
EP3590152C0 (de
Inventor
Eric Gery
Florent Mallet
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Mecatraction SAS
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Mecatraction SAS
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Publication date
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Publication of EP3590152A1 publication Critical patent/EP3590152A1/de
Application granted granted Critical
Publication of EP3590152B1 publication Critical patent/EP3590152B1/de
Publication of EP3590152C0 publication Critical patent/EP3590152C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/20—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve
    • H01R4/203—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping using a crimping sleeve having an uneven wire-receiving surface to improve the contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/186—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section using a body comprising a plurality of cable-accommodating recesses or bores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual 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
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork

Definitions

  • the invention relates to connection devices for crimping onto a terminal section of an electric cable.
  • European patent application EP 0 275 344 describes such a device comprising a lug provided with a tubular portion to be crimped onto a cable terminal section, and a metal sleeve to be fitted onto the cable terminal section before crimping.
  • the terminal section and the sleeve initially have, in section, a shape of an angle sector.
  • the end section and the sleeve are deformed together to become a cylindrical end section and sleeve that can be introduced into the tubular portion of the terminal.
  • Such a device which comprises a conductive element and a one-piece insert.
  • the conductive element has a tubular portion while the one-piece insert has a sheath disposed inside the tubular portion.
  • the sheath is configured to receive the cable terminal section and more precisely the aluminum core of this terminal section.
  • the sheath has a plurality of perforations and is made of a material harder than aluminum so that the sheath is capable of deforming the core of the terminal section of the cable during crimping of the tubular portion and of the sheath on the core of the terminal section, which then becomes embedded in the perforations of the sheath.
  • connection device is particularly appreciated because it makes it possible to obtain excellent electrical continuity between the connection device and the core of the aluminum cable, in particular because the embedding of the aluminum core in the perforations of the sheath allows to break on the surface of the aluminum core the layer of alumina which is a poor electrical conductor.
  • the invention aims to increase the possibilities of using such a connection device, or in any case to improve its performance, while retaining its simple, convenient and economical nature.
  • connection device for crimping onto a terminal section of an electric cable according to claim 1.
  • connection device Unlike the aforementioned prior connection device whose envelope is formed by an insert or sheath delimiting a single housing, in the connection device according to the invention the envelope delimits at least two housings, separated from each other by a longitudinal wall.
  • the wall which separates the two housings has a longitudinal orientation, that is to say the same orientation as the portions of the cable terminal section in the device, offers the advantage of maximizing the contact surface between this wall and the longitudinal portions of the terminal cable section.
  • connection device is capable of being implemented in a simple, convenient and economical manner, in particular with the advantageous characteristics set out below.
  • connection device according to the invention is suitable, like the aforementioned prior connection device, for an electrical cable with a flexible aluminum core; and that surprisingly the connection device according to the invention is also able to equip the end of certain cables for which it was thought that a device of this type did not make it possible to obtain the required electrical continuity, for example cables commonly referred to as CTC cables or Continuously Transposed Conductors cables.
  • cables are used to make electrical windings, for example to make transformers, and that they comprise several conductors, each individually insulated, each conductor generally being referred to as a strand.
  • the fact that the cable comprises several conductors insulated from one another makes it possible to limit the increase in impedance of the cable due to the “ skin ” effect occurring when the cable is traversed by a high-frequency current.
  • connection device to equip one end of such a cable with a connection device, the different strands are separated from each other (the insulating sheath of the cable is removed) then the insulating coating is removed for each strand, which is generally made of E-mail. Then, a connection device such as a terminal is welded or brazed on the strands from which the insulating coating has been removed.
  • Such removal of the coating is traditionally carried out by flame burning or by mechanical abrasion, which makes the operations for removing the coating such as the enamel particularly difficult and costly.
  • the invention is based on the observation that contrary to the general opinion according to which such a cable with strands each covered with a layer of insulating coating necessarily required prior removal of the insulating coating, it is in fact possible not to proceed to this operation.
  • the invention is also based on the observation that it is possible to remedy the existing incompatibility of the general opinion between such a cable with strands each covered with a layer of insulating coating and a crimp connection device such than the aforementioned prior device.
  • the insulating coating has a thickness which is an order of magnitude considerably greater than the thickness of the layer of alumina which forms on the conductive core.
  • aluminum cables namely of the order of a tenth of a millimeter for the thickness of the layer of insulating coating made of material such as enamel and of the order of a nanometer for the alumina layer.
  • alumina is a relatively brittle material, and therefore easy to break, whereas an insulating coating made of a material such as enamel is relatively ductile since it must support without breaking the bending which occurs when the cable is coiled.
  • connection device makes it possible, in the connection device according to the invention, to avoid or in any case reduce the risks of one strand of the cable being protected from the wall of the wrapped by another strand.
  • the invention also relates to an assembly comprising a connection device and an electric cable comprising a plurality of strands, each of said two housings of the conductive casing receiving a respective longitudinal portion of a terminal section of said electric cable comprising at least one said strand .
  • FIG 1 schematically illustrates in cross section an electric cable 10, one end of which must be equipped with a connection device 20 according to the invention, as shown in the figures 6 to 9 .
  • the electric cable 10 comprises a plurality of strands 11, here six, and an insulating sheath 12 enveloping the strands 11.
  • the electric cable 10 further comprises an internal partition 13 extending inside the insulating sheath 12.
  • the strands 11 are all identical and each comprise a core 14 of conductive material and an insulating coating 15 covering the core 14, so that the strands 11 are electrically insulated from each other.
  • the conductive material is copper and the material of the insulating coating 15 is insulating enamel.
  • connection device 20 to be installed at one end of the cable 10 is used to bring all the strands 11 of this cable to the potential of an element to which this end of the cable must be connected. For this, as explained below, at the end concerned the device 20 brings the strands 11 of the cable 10 into electrical continuity.
  • the strands 11 are arranged in two rows located on either side of the internal partition 13.
  • the cable 10 is here a winding cable, intended to be wound on a winding support.
  • the subdivision of the cable 10 into a plurality of strands 11 insulated from each other makes it possible, in known manner, to limit the increase in impedance of the cable 10 due to the " skin " effect occurring when the cable 10 is traversed by high frequency current. So that each strand 11 (which has the same length as the other strands 11) can make the same number of turns as the other strands 11 once the cable 10 is wound on the winding support, the strands 11 are by construction of the cable 10 continuously transposed along this cable, from one row to another.
  • Such a cable 10 is commonly referred to as Continuously Transposed Conductors.
  • the strand 11 that we see at the top right of the figure 1 is transposed above strand 11 seen at top left while strand 11 seen at bottom left is transposed below strand 11 seen at bottom right; And so on.
  • the insulating sheath 12 is here made of insulating paper. Its nature determines in particular the dielectric properties of the cable 10.
  • Each strand 11, like its conductive core 14, has a flattened shape in section, here substantially rectangular, and has two opposite large faces 16 and two opposite small faces 17 extending from one to the other of the large faces 16.
  • connection device 20 we will now describe the connection device 20 with reference to the figures 2 to 9 .
  • connection device 20 is here a crimp terminal comprising a conductive element 31 and a conductive envelope 21 ( figures 6 to 9 ) here formed of a plurality of sleeves 22 which are here identical.
  • Each sheath 22 is configured to receive a strand 11 of the terminal section of the stripped cable 10, that is to say that the insulating sheath 12 has been removed from the terminal section.
  • Each sheath 22 is an elongated tubular element of substantially rectangular section comprising a wall 23 of conductive material defining an internal space, or housing 24, provided to receive a strand 11 of the terminal section of the cable 10.
  • the conductive material of the wall 23 is here a copper material, more precisely brass.
  • the wall 23 comprises two main longitudinal portions 26 extending opposite and two lateral longitudinal portions 27 extending opposite and from one to the other of the main longitudinal portions 26.
  • the main longitudinal portions 26 form the long sides of the rectangle while the lateral longitudinal portions 27 form the short sides of the rectangle.
  • the sheath 22 extends longitudinally between a first end 18 and a second end 19.
  • the sheath 22 has an opening 25 for introducing a strand 11 extending from one to the other of the main longitudinal portions 26 and lateral longitudinal portions 27, and opening into the housing 24.
  • the opening 25 is delimited by a portion 29 of the wall 23 flared outwards, this flared portion 29 playing the role of a guide to facilitate the insertion of the strand 11 of the terminal section of the cable 10.
  • the core 14 of the strand 11 is solid, that is to say it is a single block (and not composed of a plurality of small son).
  • the sheath 22 has an abutment 38, formed by an extension of a portion of the wall 23 protruding here from a main longitudinal portions 26 and extending opposite the housing 24.
  • perforations 28 In the wall 23 are formed a plurality of perforations 28 each emerging on either side of the latter, that is to say both in the housing 24 and outside the sheath 22.
  • the perforations 28 are formed on each of the main 26 and side 27 portions.
  • the perforations 28 are formed on almost all of the sheath 22, only a portion 30 close to the end 18 is devoid of perforations.
  • the perforations 28 are arranged in a predetermined regular pattern, here a grid, and all have a predetermined outline, here circular.
  • a perforated metal sheet of predetermined thickness is provided from which a blank (not shown) is cut from which the wall 23 is obtained by bending.
  • THE figures 4 and 5 show the sheath 22 and a strand 11 of the terminal section of the cable 10, respectively before and after the insertion of this strand 11 into the sheath 22.
  • the terminal section is first stripped, that is to say the insulating sheath 12 is removed at this level.
  • the individualized strand 11 is then placed in the housing 24 of the sheath 22, by inserting it through the opening 25, and by pushing it into the housing 24 until it comes into contact with the stop 38 .
  • the housing 24 has a rectangular shape in section configured so that the strand 11, also of substantially rectangular shape, is received in an adjusted manner in the sheath 22.
  • the portion of the strand 11 received in the sheath 22 is in contact, or at least in close proximity, through its entire periphery, with each of the main longitudinal 26 and lateral 27 portions of the wall 23, as well as with the abutment 38.
  • connection device 20 which here is a crimp terminal.
  • the conductive element 31 comprises a tubular portion 33 connected to a flat portion 34 by a transition portion 35.
  • the tubular portion 33 has an opening located opposite the flat portion 34 and which opens into an internal space of the portion. tubular 33.
  • the flat portion 34 is a generally parallelepiped-shaped contact pad. It has an orifice 36 configured to receive a threaded rod belonging to an electrical connection terminal (not shown) for example provided with a support flange. To ensure electrical contact between the terminal and the terminal 20, the flat portion 34 is clamped between the support flange and a nut screwed onto the threaded rod.
  • the tubular portion 33 has a constant outer diameter over its entire length.
  • the conductive envelope 21 that comprises the connection device 20 has a plurality of housings 24 each delimited by a sheath 22.
  • the conductive envelope 21 is here formed by six sheaths 22.
  • the conductive envelope 21 therefore comprises as many sheaths 22 as the cable 10 comprises strands 11; and comprises as many housings 24 as sheaths 22.
  • each sleeve 22 is adjacent to at least one other sleeve 22 so that the housing 24 of each sleeve 22 is separated from the housing 24 of the neighboring sleeve by the wall 23 of this sleeve 22 and by the wall 23 of the neighboring sheath 22.
  • the terminal section of the cable 10 is stripped beforehand and the strands 11 are introduced one after the other in a respective sheath 22 as explained above.
  • the terminal section of the cable 10 provided with the casing 21 formed by the sheaths 22 is then placed in the tubular portion 33, through the opening, and the tubular portion 33 is crimped, in known manner, in a crimping device (not shown) having a pair of jaws.
  • each sheath 22 then comes into contact with the strand 11 arranged in its housing 24, the material of the coating 15 is embedded through the perforations 28 until it is broken, which allows contact direct between the core 14 of the strand 11 and the sheath 22 and therefore good electrical contact.
  • the crimped portion is shaped with a B-section.
  • Such a crimping section has the advantage of allowing the conformity check by simple measurement of the thickness of the crimped portion.
  • the terminal section of the cable 10 and the casing 21 are driven into the tubular portion 33 to a depth such that the portion 30 of each sheath 22 is partially outside the tubular portion 33, while the part of the sheath 22 on which the perforations 28 are provided, that is to say the major part of the sheath 22, is almost entirely received in the tubular portion 33 ( figure 7 ).
  • the portions 30 and/or the perforated parts of the sheaths 22 may protrude more significantly outside the tubular portion 33
  • the wall 23 is made of a conductive material that is harder than the material of the insulating coating 15 and than the conductive material of core 14 of each strand 11.
  • the sheaths 22 are pressed against each other and/or against the conductive element 31.
  • each strand 11 comes into contact through its entire periphery with each of the main longitudinal 26 and lateral 27 portions of the sheath 22 in which it is received, the insulating coating 15 is broken over the entire periphery of the strand 11, which is conducive to good electrical contact.
  • FIG 10 is a detail of a section of the crimped portion, this section being oriented transversely and taken in the middle of this portion in the longitudinal direction.
  • three strands 11A, 11B and 11C can be seen placed in electrical continuity through the casing 21, and more precisely through the sheaths 22 in which they are received. These sleeves 22 are here in contact by their respective main longitudinal portions 26.
  • zone C1 core 14A of strand 11A became embedded in a perforation 28 of main portion 26A, which broke coating 15A and allowed direct contact between core 14A and sheath 22A.
  • zone C3 in a similar way, the core 14C of the strand 11C became embedded in a perforation of the main portion 26C, which broke the coating 15C and allowed direct contact between the core 14C and the 22C scabbard.
  • the wall 23 has sharp-edged edges which favor the breaking of the coating 15.
  • the wall 123 of the sleeve 122 is not obtained from a metal sheet which is perforated and which is bent but from a metal wire 39 which is wound helically, here according to a predetermined step.
  • Each turn of the wire 39 successively has a first straight portion 41, a first curved portion 42, a second straight portion 43 and a second curved portion 44.
  • the first straight portions 41 together form one of the main longitudinal portions 126 of the wall 123
  • the second straight portions 43 together form the other of the main longitudinal portions 126 of the wall 123.
  • the first curved portions 42 together form one of the lateral longitudinal portions 127 of the wall 123
  • the second curved portions 44 together form the other of the lateral longitudinal portions 127 of the wall 123.
  • the sheath 122 has a stop 138, formed by an end portion of the metal wire 39 extending opposite the housing 124.
  • the metal wire 39 delimits an opening in a helical band 40 which extends continuously from the first end 118 to the second end 119 of the sheath 122.
  • the opening 40 emerges on either side of the wall 123, that is to say both in the housing 124 and outside the sheath 122.
  • the coating 15 penetrates the opening 40 and breaks along the wire 39 which can then come into contact with the core 14.
  • the sleeves 22 and 122 have a wall 23 or 123 which is perforated in a distributed manner according to a predetermined full-hollow pattern.
  • the perforations 28 are distributed over the entire wall 23 except on its portion 30 located in the vicinity of the end 18; and the wall 23 is perforated according to the full-hollow pattern of the grid arrangement of the perforations 28.
  • the opening 40 is distributed over the entire wall 123, which is perforated according to the full-hollow pattern given by the pitch of the helical winding of the wire 39 and by the width of this wire.
  • a structure 222 that comprises a casing 221 which is an alternative embodiment of the casing 21.
  • the same elements between the structure 222 and the sheath 22 are taken up with the same numerical references but with the addition of the number 200 .
  • the structure 222 is configured to receive four strands 11 of the terminal section of the stripped cable 10.
  • the structure 222 is an elongated profiled element extending longitudinally between a first end 218 and a second end 219.
  • the structure 222 has a first longitudinal side 47 and a second longitudinal side 48, opposite the first longitudinal side 47.
  • the structure 222 comprises a wall 223 with a profile in the shape of a straight zig zag, that is to say a zig zag whose branches are parallel and the points replaced by a segment transverse to the branches.
  • the profile of the wall 223 has five branches and therefore delimits four housings 224, arranged in a row, each provided to receive a strand 11 of the terminal section of the cable 10.
  • the wall 223 extends between a first longitudinal edge 49 extending along the first longitudinal side 47 of the structure 222 and a second edge longitudinal 50, opposite the first longitudinal edge 49, extending along the second longitudinal side 48 of the structure 222.
  • the wall 223 has first longitudinal portions 45 extending substantially parallel to each other and straight to each other, and second longitudinal portions 46 extending transversely to the first longitudinal portions 45 and each connecting two adjacent first longitudinal portions 45 .
  • the first longitudinal portions 45 each extend from one to the other of the first and second longitudinal sides 47 and 48 of the structure 222.
  • the second longitudinal portions 46 each extend along a longitudinal side 47 or 48 respective, two longitudinal portions 46 connected to the same first longitudinal portion 45 extending respectively along one and the other of the longitudinal sides 47 and 48.
  • the first longitudinal portion 45 extending from the first longitudinal edge 49 of the wall 223 here forms a first end wall 52, while the first longitudinal portion 45 extending from the second longitudinal edge 50 of the wall 223 here forms a second end wall 53.
  • Each housing 224 is delimited by two adjacent first longitudinal portions 45 and by the second longitudinal portion 46 connecting these two first longitudinal portions 45.
  • the housing 224 has a longitudinal opening 51 extending opposite the second longitudinal portion 46 delimiting this housing and opening onto the longitudinal side 47 or 48 of the structure 222 opposite this second longitudinal portion 46.
  • the openings 51 of the housings 224 open alternately on one of the first and second longitudinal sides 47 or 48, then on the other of the first and second longitudinal sides 47 or 48 of the structure 222.
  • the openings 51 of two housings 224 neighbors of the column open respectively on one and on the other of the longitudinal sides 47 and 48 of the structure 222.
  • first end wall 52 and the second end wall 53 each delimit a single respective housing 224; while the first longitudinal portions 45 located between these end walls 52 and 53 each delimit two neighboring dwellings 224. More specifically, each longitudinal portion 45 has a first face delimiting one of the housings 224 and a second face, opposite the first face, delimiting the neighboring housing 224. The first longitudinal portions 45 therefore separate two separate housings 224 from each other.
  • the structure 222 also has openings 225 each opening into a respective housing 224 and extending from one to the other of the first longitudinal portions 45 delimiting this housing 224, as well as from the second longitudinal 46 delimiting this housing 224, up to its opening 51.
  • structure 222 has openings similar to openings 225.
  • abutments similar to abutment 38 of sheath 22 extend opposite housings 224 to limit the insertion of strands 11 of cable 10.
  • the structure 222 also has a plurality of perforations 228 formed in the wall 223 and similar to the perforations 28 formed in the wall 23 of the sheath 22.
  • the structure 222 also has a portion 230 devoid of perforations, similar to the portion 30 of the sheath 22.
  • the structure 222 is manufactured in the same way as the sheath 22, that is to say from a metal sheet which is perforated and which is bent.
  • THE figures 15 and 16 show the structure 222 with a strand 11 inserted in each of the housings 224.
  • Strands 11 are inserted into housings 224 through openings 225 or 51.
  • a structure 322 that includes a casing 321 which is another alternative embodiment of the casing 21.
  • the same numerical references are repeated for the similar elements between the structure 322 and the structure 222, but with the addition of the number 100 except for references 45 to 51 where the number 300 is added.
  • the structure 322 is similar to the structure 222, except that the wall 323 has two parts 54 of section in the shape of a straight zig zag and a junction wall 55 connecting the two parts 54.
  • Each part 54 delimits two housings 324 so that the structure 322 has four housings 324 arranged in two adjacent rows, each part 54 defining two neighboring housings 324 of a row.
  • the wall 323 extends between a first longitudinal edge 349 extending along a first longitudinal side 347 of the part 54 and a second longitudinal edge 350, opposite the first longitudinal edge 349, extending along a second longitudinal side 348 of part 54.
  • the wall 323 further has, for each part 54, a first side wall 56 extending the part 54 transversely from its first longitudinal edge 349 while extending along the first longitudinal side 347; and a second side wall 57 transversely extending portion 54 from its second longitudinal edge 350 extending along second longitudinal side 348.
  • the side wall 56 is configured to close the longitudinal opening of the housing 324 opening onto the first longitudinal side 347, that is to say that this wall 56 delimits the housing 324.
  • the second side wall 57 is configured to close the longitudinal opening of the housing 324 opening onto the second longitudinal side 348, that is to say that this wall 57 delimits the housing 324.
  • the second side wall 57 of one of the parts 54 is joined to the first side wall 56 of the other of the parts 54 so as to form together the junction wall 55.
  • the junction wall 55 is located between the two parts 54 and delimits a housing 324 with each of the parts 54.
  • a first longitudinal portion 345 separates two neighboring housings 324 of a row.
  • Two neighboring housings 324 each belonging to one of the two rows are separated from each other by the junction wall 55 and by a second longitudinal portion 346 which extends along the junction wall 55.
  • the structure 322 is replaced by a similar structure but delimiting more than two housings 324 per row, possibly with the side walls 56 and 57 which are longer so as to close the openings 351 of several housings 324 of a row. ; or similarly the structure 222 is replaced by a similar structure but in which the number of housings such as 224 is different from four, possibly with the first and second longitudinal edges 49 and 50 which extend from the same longitudinal side 47 or 48.
  • the conductive envelope 221 or 321 is replaced by a similar envelope but comprising several structures such as the structure 222 or 322, depending on the number of strands 11 that the cable 10 comprises, for example between two and twenty structures 322; or similarly the conductive envelope such as 21 is replaced by a similar conductive envelope but comprising a number of sheaths such as 22 or 122 different from six, for example between five and eighty-four.
  • the conductive envelope comprises at least two different structures, for example a sheath 22 or 122 and a structure 222 or 322.
  • each housing 24, 124, 224 or 324 is configured to receive a single strand of the cable 11.
  • the housing such as 24, 124, 224 or 324 is configured to receive at most two superimposed strands 11, with each strand 11 in direct contact with the wall such as 23, 123, 223 or 323.
  • the wall such as 23, 123, 223 or 323 has a longitudinal orientation in the connection device 20, that is to say that it is oriented along the longitudinal direction of the tubular portion 33 of the conductive element such as 31.
  • the longitudinal cable portions received in the casing such as 21, 221 or 321 are strands comprising a solid core covered with an insulating coating.
  • the longitudinal portions are different from such a strand, for example parts of the core of a cable formed by a multitude of fine wires, for example made of aluminium.

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  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Claims (15)

  1. Verbindungsvorrichtung zum Crimpen an einen Endabschnitt eines elektrischen Kabels, ein leitendes Element (31) beinhaltend, das einen röhrenförmigen Bereich (33) aufweist, und eine leitende Umhüllung (21; 221; 321) beinhaltend, die gemäß einem vorbestimmten Voll-Hohl-Muster auf verteilte Weise durchbrochen ist, wobei der röhrenförmige Bereich (33) und die Umhüllung (21; 221; 321) konfiguriert sind, um die Umhüllung (21; 221; 321) im Innern des röhrenförmigen Bereichs (33) anordnen zu können, mit dem Endabschnitt im Inneren der Umhüllung (21; 221; 321) angeordnet, und so, dass anschließend der röhrenförmige Bereich (33) und die Umhüllung (21; 221; 321) auf den Endabschnitt gecrimpt werden können; dadurch gekennzeichnet, dass die Umhüllung (21; 221; 321) mindestens eine Längswand (23; 123; 223; 323) beinhaltet, die zwei separate Sitze (24; 124; 224; 324) trennt, die jeweils konfiguriert sind, um einen jeweiligen Längsbereich (11) des Endabschnitts des Kabels (10) aufzunehmen.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Umhüllung (21) mindestens zwei Längswände (23; 123) beinhaltet, die jeweils eine Hülse (22; 122) bilden, die einen Sitz (24; 124) begrenzt, wobei jede Hülse (22; 122) zu einer anderen Hülse (22; 122) in der Umhüllung (21) benachbart ist, so dass der Sitz (24; 124) jeder Hülse (22; 122) getrennt ist vom Sitz (24; 124) der benachbarten Hülse (22; 122) durch die Längswand (23; 123) dieser Hülse (22; 122) und durch die Längswand (23; 123) der benachbarten Hülse (22; 122).
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Umhüllung (221; 321) eine Längswand (223; 323) beinhaltet, die eine Struktur (222; 322) bildet, die die zwei Sitze (224; 324) begrenzt, die durch einen Bereich (45; 345, 346, 56, 57) der Längswand (223; 323) voneinander getrennt sind.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die Längswand (223; 323) so ausgelegt ist, dass die Sitze (224; 324) in mindestens einer Reihe angeordnet sind.
  5. Vorrichtung nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass die Längswand (323) so ausgelegt ist, dass die Sitze (324) in mehreren nebeneinander liegenden Reihen angeordnet sind.
  6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass sich jeder Sitz (24; 124) in Längsrichtung zwischen einem ersten Ende (18; 118) erstreckt, in dem die Umhüllung (21) mindestens eine Öffnung (25) aufweist zum Einführen des jeweiligen Längsbereichs (11) des Endabschnitts des Kabels (10), und einem zweiten Ende (19; 119), das dem ersten Ende (18; 118) gegenüberliegt, bei dem die Umhüllung (21) einen Anschlag (38; 138) aufweist, der konfiguriert ist, um das Eindringen des Längsbereichs (11) des Endabschnitts des Kabels (10) in den Sitz (24; 124) zu begrenzen.
  7. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Längswand (23; 223; 323) ein Metallblech ist, das gemäß einem vorbestimmten Muster perforiert, geschnitten und gefaltet ist.
  8. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Längswand (123) ein spiralförmig gewickelter Metalldraht (39) ist.
  9. Vorrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Längswand ein Drahtgeflecht ist.
  10. Baugruppe, die eine Verbindungsvorrichtung (20) nach einem der Ansprüche 1 bis 9 beinhaltet, und ein elektrisches Kabel (10), das eine Vielzahl von Adern (11) beinhaltet, wobei jeder der zwei Sitze (24; 124; 224; 324) der leitenden Umhüllung (21; 221; 321) einen jeweiligen Längsbereich eines Endabschnitts des elektrischen Kabels (10), das mindestens eine Ader (11) beinhaltet, aufnimmt.
  11. Baugruppe nach Anspruch 10, dadurch gekennzeichnet, dass jede Ader (11) des elektrischen Kabels (10) mit einem Kern aus leitendem Material (14) und einer isolierenden Beschichtung (15) versehen ist, die den leitenden Kern (14) bedeckt, so dass die Adern (11) elektrisch voneinander isoliert sind, wobei die leitende Umhüllung (21; 221; 321) aus einem leitenden Material besteht, das härter ist als das Material der isolierenden Beschichtung (15) und des leitenden Materials des Kerns (14) jeder Ader (11), so dass nach dem Crimpen des röhrenförmigen Bereichs (33) und der leitenden Umhüllung (21; 221; 321) auf den Endabschnitt des elektrischen Kabels (10), für jede Ader (11), der Kern (14) der Ader (11) und die leitende Umhüllung (21; 221; 321) in direktem Kontakt stehen.
  12. Baugruppe nach Anspruch 11, dadurch gekennzeichnet, dass die isolierende Beschichtung (15) der Adern (11) isolierendes Email beinhaltet, während das leitende Material der leitenden Umhüllung (21; 221; 321) Kupfer beinhaltet.
  13. Baugruppe nach einem der Ansprüche 10 bis 12, dadurch gekennzeichnet, dass jede Ader (11) des elektrischen Kabels (10) einen massiven Kern (14) aus leitendem Material beinhaltet.
  14. Baugruppe nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass die Sitze und die Adern (11) so konfiguriert sind, dass jeder Sitz höchstens zwei übereinanderliegende Adern (11) aufnehmen kann.
  15. Baugruppe nach einem der Ansprüche 10 bis 14, dadurch gekennzeichnet, dass der röhrenförmige Bereich (33) und die leitende Umhüllung (21; 221; 321) auf den Endabschnitt des elektrischen Kabels (10) gecrimpt sind, so dass der Kern (14) jeder Ader (11) direkt mit der leitenden Umhüllung (21; 221; 321) in Kontakt kommt, während die leitende Umhüllung (21; 221; 321) direkt mit dem leitenden Element (31) in Kontakt kommt, wobei die Adern (11) somit in elektrische Kontinuität gebracht werden durch die leitende Umhüllung (21; 221; 321) und das leitende Element (31).
EP18711390.7A 2017-02-28 2018-02-26 Anschlussvorrichtung zum crimpen auf ein endteil eines kabels mit einer leitenden hülse, die mit einer wand zur trennung von zwei sitzen ausgestattet ist Active EP3590152B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1751642A FR3063392B1 (fr) 2017-02-28 2017-02-28 Dispositif de connexion a sertir sur un troncon terminal de cable, comportant une enveloppe conductrice pourvue d’une paroi separant deux logements
PCT/FR2018/050452 WO2018158533A1 (fr) 2017-02-28 2018-02-26 Dispositif de connexion à sertir sur un tronçon terminal de câble, comportant une enveloppe conductrice pourvue d'une paroi séparant deux logements

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EP3590152A1 EP3590152A1 (de) 2020-01-08
EP3590152B1 true EP3590152B1 (de) 2023-08-16
EP3590152C0 EP3590152C0 (de) 2023-08-16

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EP (1) EP3590152B1 (de)
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Publication number Priority date Publication date Assignee Title
DE102018130973A1 (de) * 2018-12-05 2020-06-10 Phoenix Contact Gmbh & Co. Kg Anschlusselement für einen elektrischen Leiter

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Publication number Priority date Publication date Assignee Title
GB555836A (en) * 1942-03-17 1943-09-09 Crabtree & Co Ltd J A Improvements in and connected with the terminal ends of electric conductors
US3955044A (en) * 1970-12-03 1976-05-04 Amp Incorporated Corrosion proof terminal for aluminum wire
US4135296A (en) * 1977-08-19 1979-01-23 The United States Of America As Represented By The Secretary Of The Air Force Method of joining a fine wire filament to a connector
US4317277A (en) * 1978-09-15 1982-03-02 General Electric Company Low resistance electric joint between conductive members, at least one member having an insulation coating thereon, and the method of making such joint
DE3640292A1 (de) * 1986-11-25 1988-06-01 Klauke Gmbh & Co Gustav Adapter fuer pressverbindungen und verfahren zur herstellung einer pressverbindung bei sektorfoermigen, verdichteten kabelleitern
US6109984A (en) * 1998-04-23 2000-08-29 Tsou; Eris Truck trailer cable connector structure
US7601037B2 (en) * 2008-01-11 2009-10-13 Hamilton Sundstrand Corporation Terminal with multiple wire connection
FR2947960B1 (fr) 2009-07-08 2011-09-09 Mecatraction Dispositif de connexion a sertir pour cable electrique et procede de fabrication d'un tel dispositif
DE102011077888B4 (de) * 2011-06-21 2016-10-13 Lisa Dräxlmaier GmbH Verfahren zur Konfektionierung einer Leitung
FR2995459B1 (fr) 2012-09-07 2014-10-10 Mecatraction Procede d'assemblage d'un dispositif de connexion sur un troncon terminal denude d'un cable electrique et ensemble comportant un tel dispositif assemble solidairement sur un tel troncon de cable
DE102014214416A1 (de) * 2014-07-23 2016-01-28 Robert Bosch Gmbh Elektrische Verbindungsanordnung
EP3096404A1 (de) * 2015-05-21 2016-11-23 Delphi Technologies, Inc. Crimpverbindungssystem für elektrische kabel mit einer befestigungshülse

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EP3590152A1 (de) 2020-01-08
US20200006867A1 (en) 2020-01-02
FR3063392A1 (fr) 2018-08-31
EP3590152C0 (de) 2023-08-16
WO2018158533A1 (fr) 2018-09-07
FR3063392B1 (fr) 2019-04-19
US10892567B2 (en) 2021-01-12

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