EP3189561B1 - Contact a sertir - Google Patents

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Publication number
EP3189561B1
EP3189561B1 EP15766384.0A EP15766384A EP3189561B1 EP 3189561 B1 EP3189561 B1 EP 3189561B1 EP 15766384 A EP15766384 A EP 15766384A EP 3189561 B1 EP3189561 B1 EP 3189561B1
Authority
EP
European Patent Office
Prior art keywords
contact
crimp
hollow chamber
region
aluminum
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
EP15766384.0A
Other languages
German (de)
English (en)
Other versions
EP3189561A2 (fr
Inventor
Xiafu Wang
Martin Schmidt
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.)
Harting Electric Stiftung and Co KG
Original Assignee
Harting Electric 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 Harting Electric GmbH and Co KG filed Critical Harting Electric GmbH and Co KG
Publication of EP3189561A2 publication Critical patent/EP3189561A2/fr
Application granted granted Critical
Publication of EP3189561B1 publication Critical patent/EP3189561B1/fr
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
    • 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
    • H01R4/206—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 with transversal grooves or threads
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
    • H01R4/5033—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using wedge or pin penetrating into the end of a wire in axial direction of the wire
    • 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
    • H01R4/58—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 characterised by the form or material of the contacting members
    • H01R4/62—Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • H01R4/625—Soldered or welded connections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/048—Crimping apparatus or processes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

Definitions

  • the invention relates to a crimp contact according to the preamble of independent main claim 1.
  • the invention also relates to a heavy-duty connector with the crimp contact.
  • the invention also relates to a method for using the crimp contact
  • the invention relates to a method for producing the crimp contact, with an additional silver coating.
  • Such connectors and contacts are used to transmit an electrical current with currents of 500 to 650 A, for example, between electrical conductors.
  • connection between the aluminum cable and the connector can take place by friction welding, rotational friction welding, ultrasonic welding or resistance welding.
  • the connector can be formed from copper.
  • the connecting piece is also formed from aluminum in order to avoid contact resistance or contact corrosion at the junctions between the aluminum cable and the Avoid contact piece. Furthermore, tinning or tinning and nickel plating of the surface of the connecting pieces is proposed.
  • the pamphlet EP 1 032 077 A2 suggests in this context connecting a stranded conductor made of aluminum to a contact part made of copper by friction welding.
  • the pamphlet EP 2 621 022 A1 describes a cable lug for connecting a current-carrying element to an aluminum cable, a first section of an associated pipe having an aluminum layer on an inside and a copper layer on an outside.
  • EP 2 662 934 A2 suggests the use of a connection cap made of aluminum or an aluminum alloy. This connection cap is pressed with the aluminum conductor and welded to the contact part made of copper or a copper alloy.
  • the DE 11 2011 103 392 T5 discloses a crimp termination made from two different metal materials, such as copper and aluminum. The connection area between these two materials is covered with a plastic molded part to prevent corrosion.
  • the pamphlet EP 2 579 390 A1 also describes an aluminum-copper terminal that has a contact part made of aluminum and a connection part made of copper, which are welded to one another, the connection area being protected against electrical corrosion by attaching a primary seal, for example by overmoulding with a special thermoplastic Strand is welded to the contact part.
  • the aforementioned documents also relate to connectors with which a supply cable is permanently connected to a power rail or to another cable for permanent installation. This installation is installed once and is basically not intended to be changed frequently.
  • the pamphlet DE 2 601 952 A1 refers to a connector made of aluminum and an opening or hole having.
  • the connector is intended to be clamped to one or more electrical lines, which are also made of aluminum, when these are inserted into the opening.
  • the clamping should preferably be done with the help of a mold.
  • the pamphlet GB 982 667 A discloses a method for improving electrical connections and thereby discloses a clamping sleeve with an internal thread and a screw mandrel.
  • the pamphlet U.S. 3,350,500 A discloses a method for butt splicing coaxial cables having a core and barrel conductors separated by dielectric material. It is disclosed here that the sleeve conductors are expanded outward at the cable ends and the core conductors are connected by connecting plugs which penetrate the cable ends essentially axially and connect the sleeve conductors by a conductive sleeve.
  • the pamphlet EP 1 094 557 A2 relates to a high-current circuit board connector for vibration-free contacting of circuit board connection contacts and main contacts to be plugged over, whereby the socket part of the high-current circuit board connector can be mechanically fitted to circuit boards with alignment in board bores.
  • the main contacts are made of copper and silver-plated on the outside.
  • the pamphlet U.S. 3,916,518 A discloses a method of making a one-piece bimetallic connector.
  • the pamphlet EP 0 023 880 A1 discloses a plug element which consists of a plug part and a compression sleeve. So that the outer diameter of the compression sleeve is always smaller than the associated wire diameter, the compression sleeve is designed with at least two layers forms. An inner layer made of copper or aluminum takes on the function of conducting electricity, while an outer layer made of steel ensures the contact pressure after the pressing process.
  • the object of the invention is thus to provide an electrical connector which, on the one hand, allows a comparatively uncomplicated connection of an aluminum stranded conductor, and on the other hand also enables the most flexible maneuvering possible and which continues to have a sustained good electrical conductivity even with high currents acting over a long period of time.
  • the invention is a crimp contact; wherein the crimp contact has a crimp area formed from aluminum or an aluminum alloy and an adjacent contact area formed from copper or a copper alloy, wherein the contact area can be designed in the shape of a pin or socket.
  • the contact area can be designed in the shape of a pin or socket.
  • the transition from the copper to the aluminum material is moved into the crimp contact. This is made possible by the crimping area being welded to the contact area. In particular this connection is made during the production of the crimp contact by a friction welding process.
  • the crimp contact can therefore be a high-current capable contact pin or a high-current capable contact socket. At least one such contact pin and / or such a contact socket are inserted into an insulating body and, together with this, form a component of the heavy-duty connector.
  • the crimp contact is at least partially rotationally symmetrical or has at least one or more regions with a cylindrical or at least rotationally symmetrical outer contour, because it can thereby be arranged in a form-fitting manner in through bores or corresponding, likewise rotationally symmetrical through openings of the insulating body.
  • aluminum is used as the material for the crimp area of the crimp contact due to its easy deformability.
  • This is particularly advantageous for crimping an aluminum conductor, in particular an aluminum stranded conductor, because there is no electrical corrosion and in particular no intermetallic phase in the relevant area despite the inevitable contact with oxygen.
  • the crimping area has a cavity with a cable entry opening to accommodate the aluminum stranded conductor.
  • an additional through hole is then drilled in the cavity and an internal thread is cut into this through opening.
  • such a mandrel which has a matching external thread and a point adjoining it, can be screwed with its point first into the cavity, preferably in the direction of the cable insertion opening, i.e. against the insertion direction of the stranded conductor.
  • the crimp contact has an additional internal thread within its crimp area.
  • the stranded conductor is then pressed from the inside against this additional internal thread, the additional internal thread holding the stranded wires due to the increased frictional force.
  • the oxide layer of the aluminum strands is broken up. Because of this and the pressure against each other, the transverse conductivity of the stranded conductor increases. This reduces the contact resistance between the stranded conductor and the crimp contact.
  • the use of the mandrel improves the conductivity over the long term, especially if the mandrel is preferably made of aluminum or some other electrically conductive material, for example a copper alloy, thereby increasing the contact area of the crimp contact with respect to the stranded conductor.
  • the contact area is additionally at least partially coated, for example silver-plated or gold-plated, and thus permanently protected against corrosion. Furthermore, a permanently low-resistance plug connection with other copper contacts and above with corresponding copper lines is thereby advantageously also possible, since the problematic transition between copper and aluminum is laid according to the invention in the interior of the crimp contact.
  • the crimping area which is made of aluminum
  • the contact area which is made of copper
  • the contact surface is located inside the contact and does not come into contact with oxygen in this way.
  • the welding in particular the friction welding, ensures a particularly stable connection, so that the crimp contact is also mechanically stable.
  • the use of cylindrical copper and aluminum blanks, which are attached to one another in the axial direction, according to the invention by friction welding be welded.
  • rotation welding appears to be sensible at first.
  • the crimping area can advantageously also be connected to the contact area by vibration welding.
  • a combination of rotation welding and vibration welding has proven to be particularly advantageous, since pure rotation welding has the disadvantage that the inner areas of the contact surface experience less friction than the outer areas, so that the elements at least in the contact area have a central so-called " Blind hole "would have to have.
  • With somewhat more complex vibration welding however, all areas experience the same frictional energy, so that the inner areas of the contact surface can also be welded.
  • the contact area can be made into a pin or socket contact by turning and drilling, and the cavity with the cable insertion opening can be drilled into the crimping area.
  • the additional internal thread which serves to increase the frictional force acting on the stranded conductor, is cut into the cavity.
  • the Fig. 1a shows a cross section and the Figure 1b shows a perspective view of a first crimp contact designed as a pin contact 1.
  • the pin contact 1 has a first crimping area 11 and a first contact area 12, which are in contact with one another at a first transition area 10, for example by being welded to one another, in particular by a friction welding process.
  • a friction welding process for example, two cylindrical blanks, one of which is made of copper and the other of aluminum, are joined to one another in the axial direction and, for example, are welded to one another by rotation welding and / or vibration welding.
  • the first contact area 12 made of copper can be given a contact pin 121 in subsequent work steps, so that this crimp contact is a pin contact 1.
  • a first cavity 111 can be drilled into the first crimping area 11 made of aluminum.
  • the first crimping area 11 thus has a first cable insertion opening 110 at its free-standing end adjacent to the cavity.
  • the Fig.2a shows a cross section and the Figure 2b shows a perspective view of a second crimp contact designed as a socket contact 2.
  • the socket contact 2 has a second crimping area 21 and a second contact area 22, which are in contact with one another at a second transition area 20, for example by being welded to one another, in particular by a friction welding process.
  • two cylindrical blanks one of which is made of copper and the other of aluminum, can be joined to one another in the axial direction and welded to one another, for example by rotation welding and / or vibration welding.
  • the second contact area 22, which is made of copper can be given a contact socket 221 in subsequent work steps, so that this crimp contact is a socket contact 2.
  • the bushing 221 has a bushing cavity 2211, which is also preferably created by drilling.
  • a cavity 211 can also be drilled into the second crimping area 21 made of aluminum.
  • the second crimping area 21 as a result, has a second cable insertion opening 210 at its free-standing end adjacent to the second cavity 211.
  • the Figures 3a and 3b represent in a comparable manner the pin contact 1 in a modified version, in which the pin contact 1 additionally has a first through-opening 101, which has a cylindrical shape to contain a mandrel 113 (not shown here) (shown in FIG Figure 6a ) to be able to record. Furthermore, the modified pin contact 1 has a pin cavity 1211 which is connected to the first cavity 111 via the first cylindrical through-opening 101.
  • the first through opening 101 is preferably produced by drilling, so that the first through opening 101 is a through hole.
  • an internal thread 103 can be cut into the first through opening 101 so that the mandrel 113, which has a matching external thread 2132, can be screwed into the first through opening 101 and above it into the first cavity 111.
  • the first crimping area 11 has a first additional internal thread 112 in its first cavity 111, which is cut into the first crimping area 11 from the inside when the pin contact 1 is produced.
  • This first additional internal thread 112 is used to hold a stranded conductor inserted into the first cavity 111 in it by means of an increased frictional force, even if the mandrel 113 is screwed into the first cavity 111 in the direction of the first cable insertion opening 110, i.e. against the direction of insertion of the stranded conductor becomes.
  • FIG Figure 3c An advantageous embodiment of the first additional internal thread 112 is shown in FIG Figure 3c shown enlarged. It is obvious that the theoretical inside diameter D T of the first additional internal thread 112 is smaller than the real inside diameter D R of the first cavity 111. The real course of this internal thread 112 is shown by the hatched area. On the other hand, the non-hatched area indicates the theoretical course that a theoretical internal thread with the theoretical thread depth T T and the theoretical thread internal diameter D T would have. The real cavity inside diameter D R , however, is greater than the theoretical thread inside diameter D T , which is used as a measure for the internal thread to be cut into it. As a result, this internal thread 112 has a real thread depth T R which is smaller than the theoretical thread depth T T and the real course of the thread 112 is flattened more than usual.
  • the Figures 4a and 4b represent the socket contact 2 in a comparable manner, which has been modified to include a mandrel 213 (shown in FIG Figure 6b ) to be able to record.
  • the socket cavity 2211 is connected to the second cavity 211 via a second cylindrical through opening 201.
  • this second through opening 201 is preferably produced by drilling, so that the second through opening 201 is a through hole.
  • a second additional internal thread 203 can also be cut into the second through opening 201 so that the mandrel 213, which has a matching external thread 2132, can be screwed into the second through opening 201 and above it into the second cavity 211.
  • the second crimping area 21 in the second cavity 211 has a second additional internal thread 212 which is cut into the crimping area 21 of the socket contact 2 from the inside during manufacture.
  • This second additional internal thread 212 serves to hold a stranded conductor inserted into the second cavity 211 in it by means of an increased frictional force, even if the mandrel 213 is screwed into the second cavity 211 in the direction of the second cable insertion opening 210, i.e. against the direction of insertion of the stranded conductor becomes.
  • FIG Figure 4c An advantageous embodiment of the second additional internal thread 212 is shown in FIG Figure 4c shown enlarged.
  • the real course of this internal thread 212 is shown by the hatched area.
  • the non-hatched area indicates the further theoretical course that a theoretical internal thread with the theoretical thread depth T T and the theoretical thread internal diameter D T would have.
  • the inside diameter of the cavity D R is accordingly greater than the theoretical inside thread diameter D T , which, however, is used as a measure for the inside thread to be cut.
  • this internal thread 212 has a real thread depth T R which is smaller than the theoretical thread depth T T and the real course of the thread 212 is flattened more than usual.
  • the Figures 6a and 6b show the pin contact 1 and the socket contact 2 with the respective through-opening 101, 201 and an associated first and second mandrel 113, 213.
  • Each of the through-openings 101, 201 has an associated internal thread 103, 203
  • the mandrel 113, 213 each has a matching external thread 1132, 2132 with which it is screwed into the respective through opening 101, 201.
  • the mandrel 113, 213 can have a screw head 1131, 2131 which enables it to be screwed in from the pin or socket cavity 1211, 2211.
  • the Fig. 7 shows a complete heavy-duty connector in an exploded view.
  • a pin contact 1 is shown as an example. But it could just as well be a socket contact 2.
  • an insulating body 3 is shown, which is provided to accommodate the pin contact 1. This insulating body 3 can in turn be fastened in the connector housing 4 via fastening elements 31.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (9)

  1. Contact à sertir (1, 2) destiné à un connecteur pour charge lourde, dans lequel le contact à sertir (1, 2) est conçu pour présenter une symétrie de révolution au moins dans certaines zones, dans lequel l'axe de symétrie correspondant s'étend dans le sens de l'enfichage,
    dans lequel le contact à sertir (1, 2) comporte une zone de sertissage (11, 21) faite d'aluminium ou d'un alliage d'aluminium,
    dans lequel le contact à sertir (1, 2) comporte de manière adjacente à la zone de sertissage (11, 21) une zone de contact (12, 22) faite de cuivre ou d'un alliage de cuivre, dans lequel la zone de sertissage (11, 21) est soudée à la zone de contact (12, 22), dans lequel le contact à sertir (1, 2) comporte dans sa zone de sertissage (11, 21) une cavité cylindrique (111, 211) présentant une ouverture d'insertion de câble (110, 210) destinée à recevoir un conducteur multibrins en aluminium, caractérisé en ce que le contact à sertir (1, 2) présente dans sa cavité cylindrique (111, 211) un filet intérieur (112, 212) supplémentaire, dans lequel le diamètre intérieur réel (DR) de la cavité cylindrique (111, 211) est supérieur au diamètre intérieur théorique (DT) du filet intérieur (112, 212) supplémentaire, de sorte que le filet intérieur (112, 212) supplémentaire est aplati, dans lequel le contact à sertir (1, 2) comporte à l'intérieur de sa cavité (111, 211) un mandrin (113, 213) qui est orienté dans la direction de l'ouverture d'insertion de câble (110, 210), dans lequel le contact à sertir (1, 2) comporte une ouverture de passage (101, 201) présentant un filet intérieur (103, 203) qui lui correspond, de sorte que le mandrin (113, 213) peut être vissé dans la cavité (111, 211) par l'intermédiaire de l'ouverture de passage (101, 201).
  2. Contact à sertir (1, 2) selon la revendication 1, caractérisé en ce que le mandrin (113, 213) comporte une tête de vis (1131, 2131), par exemple une fente ou une rainure transversale, de manière à ce qu'il puisse être vissé dans la cavité (111, 211) à l'aide d'un tournevis.
  3. Contact à sertir (1, 2) selon l'une des revendications précédentes, caractérisé en ce que la surface de la zone de contact (12, 22) est au moins partiellement revêtue d'argent.
  4. Connecteur pour charge lourde, comportant un boîtier de connecteur (4), un corps isolant (3) et au moins un contact à sertir (1, 2) selon l'une des revendications précédentes, disposé dans le corps isolant (3).
  5. Procédé de réalisation du contact à sertir selon la revendication 3, ledit procédé comprenant les étapes suivantes :
    1.) une tige de cuivre cylindrique et une tige d'aluminium cylindrique sont soudées ensemble par soudage par friction afin d'obtenir une tige cylindrique commune comportant une partie en aluminium et une partie en cuivre ;
    2.) par tournage et/ou perçage, la zone de sertissage compressible (11, 21) comportant une cavité (111, 211) destinée à recevoir un conducteur multibrins en aluminium est réalisée à partir de la partie en aluminium et la zone de contact (12, 22) est réalisée à partir de la partie en cuivre,
    dans lequel la cavité (111, 211) est percée dans la zone de sertissage (11, 21) avec le diamètre intérieur réel (DR), dans lequel le filet intérieur (112, 212) supplémentaire présentant le diamètre intérieur théorique (DT) est découpé dans la zone de sertissage (111, 211) du côté de la cavité, dans lequel le diamètre intérieur théorique (DT) du filet intérieur (112, 212) supplémentaire est inférieur au diamètre réel (DR) de la cavité (111, 211), dans lequel l'ouverture de passage (101, 201) supplémentaire est percée dans le contact à sertir (1, 2) de manière adjacente à la cavité (111, 211) et le filet intérieur (103, 203) qui lui correspond est découpé dans ladite ouverture de passage (101, 201) de manière à ce que le mandrin (113, 213) puisse être vissé dans la cavité (111, 211) par l'intermédiaire de l'ouverture de passage (101, 301),
    3.) la surface de la zone de contact (12, 22) est au moins partiellement revêtue d'argent.
  6. Procédé selon la revendication 5, dans lequel le soudage par friction de la première étape du procédé comprend le soudage par rotation et/ou le soudage par vibration.
  7. Procédé d'utilisation du contact à sertir (1, 2) selon l'une des revendications 1 à 3, dans lequel
    A.) un conducteur multibrins est tout d'abord introduit à travers l'ouverture d'introduction de câble (110, 210) dans la cavité cylindrique (111, 211) de la zone de sertissage (11, 21) du contact à sertir (1, 2), puis
    B.) le mandrin (113, 213) est vissé dans la cavité (111, 211) de la zone de sertissage (11, 21) dans le sens inverse de l'insertion du conducteur multibrins, puis
    C.) la zone de sertissage (11, 21) est comprimée à l'aide d'un outil de sertissage.
  8. Procédé selon la revendication 7, dans lequel le conducteur multibrins est maintenu dans la cavité (111, 211) avec une force de frottement particulièrement élevée par le filet intérieur (112, 212) supplémentaire de la cavité (111, 211) lorsque le mandrin (113, 213) est vissé.
  9. Procédé selon l'une des revendications 7 à 8, dans lequel les brins du conducteur multibrins sont comprimés ensemble par le vissage du mandrin (113, 213) et sont comprimés depuis l'intérieur contre la zone de sertissage (11, 21), ce qui a pour effet de rompre les couches d'oxyde des brins et d'augmenter ainsi la conductivité transversale.
EP15766384.0A 2014-09-03 2015-08-05 Contact a sertir Active EP3189561B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014112701.3A DE102014112701A1 (de) 2014-09-03 2014-09-03 Crimpkontakt
PCT/DE2015/100330 WO2016034166A2 (fr) 2014-09-03 2015-08-05 Contact à sertir

Publications (2)

Publication Number Publication Date
EP3189561A2 EP3189561A2 (fr) 2017-07-12
EP3189561B1 true EP3189561B1 (fr) 2020-10-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP15766384.0A Active EP3189561B1 (fr) 2014-09-03 2015-08-05 Contact a sertir

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US (1) US20170229793A1 (fr)
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RU2017110793A3 (fr) 2018-10-03
RU2017110793A (ru) 2018-10-03
DE102014112701A1 (de) 2016-03-03
WO2016034166A3 (fr) 2016-07-21
RU2670955C9 (ru) 2018-11-21
JP2017526147A (ja) 2017-09-07
CA2958509A1 (fr) 2016-03-10
RU2670955C2 (ru) 2018-10-26
KR20170044738A (ko) 2017-04-25
EP3189561A2 (fr) 2017-07-12
CN106797076A (zh) 2017-05-31
WO2016034166A2 (fr) 2016-03-10
US20170229793A1 (en) 2017-08-10

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