EP3020093B1 - Élément de contact électrique - Google Patents

Élément de contact électrique Download PDF

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Publication number
EP3020093B1
EP3020093B1 EP14752552.1A EP14752552A EP3020093B1 EP 3020093 B1 EP3020093 B1 EP 3020093B1 EP 14752552 A EP14752552 A EP 14752552A EP 3020093 B1 EP3020093 B1 EP 3020093B1
Authority
EP
European Patent Office
Prior art keywords
electrical contact
contact element
splicing
connecting sleeve
segments
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
EP14752552.1A
Other languages
German (de)
English (en)
Other versions
EP3020093A1 (fr
Inventor
Nicole Spilker
Stefan Garske
Martin Schmidt
Xiafu Wang
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
Priority to PL14752552T priority Critical patent/PL3020093T3/pl
Publication of EP3020093A1 publication Critical patent/EP3020093A1/fr
Application granted granted Critical
Publication of EP3020093B1 publication Critical patent/EP3020093B1/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
    • 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

Definitions

  • the invention relates to an electrical contact element according to the preamble of the independent claim 1.
  • Such contact elements are needed to produce an electrically conductive connection between two electrical conductors.
  • one or more contact elements are combined in an insulating body and thus form a connector.
  • the electrical contact elements have the task, on the one hand to establish a connection to a contact element of a mating connector.
  • a plug-in sides of such electrical contact elements is designed as a pin or socket contact.
  • a socket contact can be plugged together with a pin contact and so an electrical connection can be made.
  • connection side For the design of the connection side, there are a variety of solutions in the prior art.
  • the DE 1 164 532 A shows a reversible contact element for electrical plug devices with a plug side and a connection side.
  • the connection side is designed as a simple soldering lug.
  • an electrical conductor to be contacted can be soldered.
  • the DE 1 992 567 U1 discloses a provided with plug pin or socket contact element made of solid material which is intended for, easily detachable, latching locked attachment in chambers integrally manufactured insulating.
  • the contact element on its connection side on a line connection part, which is provided for a crimp connection with a connected line.
  • US 2007/287323 A1 discloses a contact element according to the preamble of claim 1. Such crimp connections have been found to be particularly advantageous.
  • the connection side of the contact element is particularly simple and inexpensive to manufacture and at the same time a contact with a corresponding crimping tool can be made anywhere easy and fast. This offers, especially against a soldered connection like in the DE 1 164 532 A described above, a particular advantage in the flexibility of mounting and connecting a conductor to the contact elements.
  • the object of the invention is to design an electrical contact element such that a secure and electrically conductive contacting of aluminum conductors can be ensured.
  • the invention relates to an electrical contact element which is provided for contacting and electrical connection of an electrical conductor.
  • the electrical contact element has a plug side and a connection side.
  • the mating side of the electrical contact element is - as already well known in the art - designed as a pin contact or socket contact.
  • connection side of the electrical contact element is shaped as a sleeve-shaped and forms a connection sleeve.
  • an electrical conductor can be inserted and be squeezed by means of a so-called crimping tool in the connection sleeve.
  • This type of crimping connection is well known in the art.
  • the present invention is specifically intended for electrical conductors made of aluminum and having a plurality of strands.
  • the electrical contact element has a splicing element which is provided in the connection sleeve of the electrical contact element.
  • the splice element consists of at least two splice segments, which are arranged distributed on the inside of the connection sleeve, over the circumference thereof.
  • the splice segments are radially inwardly directed, tapered elements.
  • a type of wedge shape is particularly advantageous.
  • the purpose of the splice segments is to penetrate between the individual strands of an inserted electrical conductor during the crimping process.
  • the splice segments When penetrating between the individual strands of an aluminum conductor, the splice segments break the oxide layer which has formed on each individual strand of the conductor. This ensures good electrical contacting of the individual strands.
  • the surfaces of the splice segments are provided with a rough surface. This rough surface is particularly good for breaking up the oxide layer on the strands.
  • the splice element can have a different number of splice segments. For example, a splice element with six splice segments is particularly advantageous.
  • the splice segments are made in one piece directly with the connection sleeve. These can be arranged, for example, as formed on the inner surface wedges in the connection sleeve. When crimping or crimping an electrical conductor in the ferrule, the splice segments are pressed between the individual strands of the conductor.
  • a further advantageous embodiment provides to form the splice element as a separate component.
  • the splice element has a base on which the individual splice segments are formed.
  • the splice element is to be positioned in the connection sleeve such that the base is pushed forward into the connection sleeve and the splice segments protrude from the interior in the direction of the open end of the connection sleeve, but are still accommodated in the connection sleeve.
  • connection sleeve By squeezing the connection sleeve with a pair of pliers or a special crimping tool, the splice segments then continue driven between the strands. As a result, the oxide layer is broken on the surface of the strands and ensures electrical contacting of a plurality of strands.
  • a fastening means is provided which serves to fix the splice element in the connection sleeve.
  • a connecting bore between the plug side and the connection side is introduced in the electrical contact element, through which the fastening means can act on the splicing element.
  • a screw as a fastener. This can be pushed from the direction of the plug side through the connecting hole and engage in a corresponding thread in the base of the splice element. Pulling out the splice element from the connection sleeve is thus prevented.
  • An additional, advantageous embodiment provides for providing at least one marking on the outer surface of the connecting sleeve. This marking is used to align a crimping tool. Crimping tools usually consist of several jaws, which act on the object to be crimped. Since it is not possible to apply uniform force over the entire circumference, in some sections force is introduced.
  • the marking is provided. This is arranged so that with appropriate application of the crimping tool, the maximum force is introduced to the splice segments.
  • the splicing element In order for the marking provided in the embodiment to also be provided at the correct location on the connecting sleeve, the splicing element must be insertable against rotation in the connecting sleeve. This can be realized both via an additional hole in the connection sleeve and a pin or a screw, which engages through the hole in a recess in the base of the splice element.
  • a guide groove in cooperation with a guide spring, which are provided in splice element and inner surface of the connection sleeve.
  • both the groove in the splice element and the spring on the connection sleeve, as well as a reverse solution may be provided.
  • connection sleeve with a rough to sharp-edged surface.
  • the strands of a conductor can be roughened and the oxide layer can be broken, which are not in direct contact with the splice segments.
  • the electrical contact element in a specific embodiment of the electrical contact element according to the invention, have the splice segments of the splice element a particularly advantageous form.
  • the splice segments are wider in the region of the opening of the connecting sleeve than in the area facing the plug side.
  • this form of splice segments is that the individual strands of an electrical conductor are more strongly squeezed in the region of the connection sleeve opening than in the area facing the plug side. If a force acts on a fixed electrical conductor pulling it out of the connection sleeve, the strands of the electrical conductor form a plug in the area on the plug side, which can only be pulled through the narrower, rear area with difficulty.
  • the invention relates to an electrical contact element for contacting an electrical stranded conductor, wherein the electrical contact element has a connection side and a plug side.
  • a splicing element is provided in a connection sleeve forming the connection side.
  • the splice element is designed to fan out the individual strands of the conductor, to contact the largest possible surface of the individual strands and to injure the surface of the strands in a crimping or crimping operation.
  • the invention provides a secure, electrical contacting of stranded conductors, in which a non-contacting, poorly conductive surface of the individual strands is penetrated.
  • FIG. 1 shows an electrical contact element 1 in a longitudinal section along the longitudinal axis A.
  • a plug side 2 of the electrical contact element 1 is shown in the right area.
  • a sleeve-shaped connection side 3 is shown in the left area.
  • the sleeve-shaped connection side 3 is formed by a connection sleeve 4.
  • a splice element 10 is provided inside the connection sleeve 4.
  • the splice element 10 essentially has a base 12, as well as a plurality of splice segments 11.
  • the base 12 is provided at the rearmost area in the connection sleeve 4.
  • a fastening means 13 - here a screw - in the electrical contact element this is fixed by means of a fastening means 13 - here a screw - in the electrical contact element.
  • the screw is guided from the plug side 2 through a bore 5 in the electrical contact element 4 and screwed into the base 12 of the splice element 10.
  • the splice segments 11 of the splice element 10 are directed away from the base 12 in the connection sleeve 4.
  • the splice segments 11 extend over almost the entire length of the connection sleeve 4.
  • the splice element 10 has six splice segments 11.
  • the material thickness is smaller here than the splicing segments 11 themselves. This advantageously serves for a high flexibility of the splice segments 11 to the base 12.
  • FIG. 2 In the FIG. 2 is the electrical contact element 1 as in FIG. 1 shown again. However, without the splice element 10. Here, the bore 5, which connects the plug side 2 of the electrical contact element 1 to the connection side 3, can be seen better.
  • connection sleeve 4 is in the FIG. 2 to recognize a thread-like contour on the inside 18.
  • This advantageously sharp-edged contour also serves to break up oxide layers on inserted strands.
  • the formation of a thread-like contour is to be regarded as merely exemplary. All other types of sharp-edged contours are suitable and appropriate.
  • grooves 17 On the outside of the connecting sleeve 4 four flat grooves 17 can be seen here. These are used to identify the crimping areas. These grooves 17 indicate to the user at which points a crimping or squeezing tool is to be applied.
  • FIG. 3 shows an electrical contact element 1 with splice element 10 in a spatial representation with a view of the connection side 3. Also visible here are the four running around the connection sleeve 4 grooves 17, which serve as a marking for a crimping or crimping tool.
  • grooves 17 These also serve as a marking for a crimping or crimping tool. In contrast to the grooves 17, however, not for the position along the electrical contact element 1, but for the angular position of the tool in the crimping area.
  • the flattening 6 marks the position of a splicing segment 11 in the connecting sleeve 4.
  • FIG. 4 shows a splice element 10 in a spatial representation.
  • the splice element 10 consists of a base 12 from which the splice segments 11, 11 ', 11 ", 11"', 11 "", 11 '"" extend axially away.
  • a thread 19 can be seen which serves to fix the splice element 10 by means of a screw as a fastening means 13 in an electrical contact element 1.
  • the splice segments 11 are chamfered in the connection-side region on its inner side in order to simplify the attachment of the splice element 10 to the strands of an electrical conductor 20.
  • the splice element 10 has a bore 16.
  • the bore 16 is formed in the illustrated embodiment as a lateral slot. This serves to hold the splice element 10 in the receiving sleeve 4 against rotation. For this purpose, a further fastening element can be pushed into a bore 15 in the receiving sleeve 4. When the fastener is passed through the bore 15 into the bore 16, a rotation of the splice element 10 in the receiving sleeve 4 is prevented.
  • FIG. 5 shows an electrical contact element 1 with inserted electrical Ladder 20 in a sectional view.
  • the section of the view extends transversely through the electrical contact element.
  • the receiving sleeve 4 Visible is the receiving sleeve 4, as well as the splice segments 11, 11 ', 11 ", 11"', 11 "", 11 “” 'received therein, which are distributed on the inner surface 18 of the receiving sleeve 4 over its circumference.
  • the inner region of the receiving sleeve 4 many individual strands are shown, which together form the inserted, electrical conductor 20.
  • the individual strands are distributed between the Spll GmbHsegementen 11, so that advantageously a majority of the individual strands is in contact with one of the splice segments 11. The more individual strands are in contact with the splice segments 11 or the inner surface 18, the higher is the later electrical contact.
  • the flattening 6 recognizable. This serves - as already mentioned - to mark a crimping or crimping tool.
  • the flattening 6 is expediently located directly outside a splice segment.

Landscapes

  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Claims (15)

  1. Élément de contact électrique (1) pour la mise en contact d'un conducteur électrique (20) ;
    l'élément de contact électrique (1) étant formé d'un côté d'enfichage (2) et d'un côté de raccordement (3) ; le côté d'enfichage (2) étant réalisé sous la forme d'un jack de contact ou d'un pointeau de contact ;
    le côté de raccordement (3) étant en forme de douille et formant une douille de raccordement (4) de l'élément de contact électrique (1) ;
    un élément d'épissure (10) étant prévu dans la douille de raccordement (4) de l'élément de contact électrique (1) :
    l'élément d'épissure (10) étant prévu pour ouvrir en éventail les âmes toronnées individuelles du conducteur électrique (20), mettre en contact la plus grande surface possible des âmes toronnées individuelles et en cas de processus de pressage ou de sertissage, entamer
    la surface des âmes toronnées ; l'élément d'épissure (10) étant formé d'au moins deux segments d'épissure (11) ;
    les segments d'épissure (11), relatifs à un axe longitudinal (A) de l'élément de contact électrique (1), sont soit réalisés de façon plus large dans la région extérieure dans le plan radial et de façon plus étroite dans la région intérieure dans le plan radial ; caractérisé en ce que les segments d'épissure (11) s'étendent en forme de clavette dans la région intérieure dans le plan radial.
  2. Élément de contact électrique (1) selon la revendication 1, caractérisé en ce que les segments d'épissure (11) sont répartis dans la douille de raccordement (4) sur toute la périphérie de la douille de raccordement (4) et s'étendent de préférence sur toute la longueur de la douille de raccordement (4).
  3. Élément de contact électrique (1) selon la revendication 2, caractérisé en ce que les surfaces des segments d'épissure (11) présente une surface brute.
  4. Élément de contact électrique (1) selon l'une quelconque des revendications 2 ou 3, caractérisé en ce que les segments d'épissure (11) s'étendent sur toute la moitié extérieure des douilles de raccordement.
  5. Élément de contact électrique (1) selon l'une quelconque des revendications 2 à 4, caractérisé en ce que les segments d'épissure (11) s'étendent dans la région de l'ouverture de la douille de raccordement (4) davantage dans la direction de l'axe longitudinal (A) de l'élément de contact électrique (1) que dans la région orientée vers le côté d'enfichage (2).
  6. Élément de contact électrique (1) selon l'une quelconque des revendications 2 à 5, caractérisé en ce que les segments d'épissure (11), formant l'élément d'épissure (10), de la surface intérieure de la douille de raccordement (4) sont moulés et réalisés d'un seul tenant avec la douille de raccordement (4).
  7. Élément de contact électrique (1) selon l'une quelconque des revendications 2 à 5, caractérisé en ce que :
    l'élément d'épissure (10) comporte une base (12) ;
    les segments d'épissure (11) étant moulés sur la base (12), la base (12) étant disposée au niveau de l'extrémité, orientée vers le côté d'enfichage (2), de la douille de raccordement (4) ;
    et les segments d'épissure (11) s'étendant à l'opposé du côté d'enfichage (2) par rapport à la base (12).
  8. Élément de contact électrique (1) selon la revendication 7, caractérisé en ce que l'élément d'épissure (10) est prévu sous la forme d'une pièce séparée dans la douille de raccordement (4).
  9. Élément de contact électrique (1) selon la revendication 8, caractérisé en ce que la base (12) de l'élément d'épissure (10) peut être fixée dans la douille de raccordement (4) à l'aide d'un moyen de fixation (13).
  10. Élément de contact électrique (1) selon la revendication 9, caractérisé en ce que le moyen de fixation (13) est réalisé sous la forme d'une vis.
  11. Élément de contact électrique (1) selon l'une quelconque des revendications 9 ou 10, caractérisé en ce que le moyen de fixation (13) agit sur la base (12) de l'élément d'épissure (10) depuis le côté d'enfichage (2) de l'élément de contact électrique (1), au travers d'un alésage de jonction (5), et fixe l'élément d'épissure (10) dans la douille de raccordement (4).
  12. Élément de contact électrique (1) selon l'une quelconque des revendications 8 à 11, caractérisé en ce que l'élément d'épissure (10) peut être fixé dans la douille de raccordement (4) avec un système antitorsion à l'aide d'un moyen de fixation supplémentaire.
  13. Élément de contact électrique (1) selon la revendication 12, caractérisé en ce que le moyen de fixation supplémentaire est réalisé sous la forme d'un pointeau ou d'une vis.
  14. Élément de contact électrique (1) selon la revendication 12 ou 13, caractérisé en ce que le moyen de fixation supplémentaire s'engrène dans un alésage (16) dans l'élément d'épissure (10) de façon à être inséré dans la douille de raccordement (4) au moyen d'un alésage (15).
  15. Élément de contact électrique (1) selon l'une quelconque des revendications précédentes, caractérisé en ce que la douille de raccordement (4) comporte sur le côté intérieur une surface brute, de préférence à arêtes vives.
EP14752552.1A 2013-07-11 2014-07-10 Élément de contact électrique Active EP3020093B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14752552T PL3020093T3 (pl) 2013-07-11 2014-07-10 Elektryczny element kontaktowy

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013107352.2A DE102013107352A1 (de) 2013-07-11 2013-07-11 Elektrisches Kontaktelement
PCT/DE2014/100242 WO2015003692A1 (fr) 2013-07-11 2014-07-10 Élément de contact électrique

Publications (2)

Publication Number Publication Date
EP3020093A1 EP3020093A1 (fr) 2016-05-18
EP3020093B1 true EP3020093B1 (fr) 2017-05-10

Family

ID=51357687

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14752552.1A Active EP3020093B1 (fr) 2013-07-11 2014-07-10 Élément de contact électrique

Country Status (12)

Country Link
US (1) US9502786B2 (fr)
EP (1) EP3020093B1 (fr)
KR (1) KR101738831B1 (fr)
CN (1) CN105379019B (fr)
CA (1) CA2916754A1 (fr)
DE (1) DE102013107352A1 (fr)
DK (1) DK3020093T3 (fr)
ES (1) ES2633825T3 (fr)
HU (1) HUE035748T2 (fr)
PL (1) PL3020093T3 (fr)
RU (1) RU2621677C1 (fr)
WO (1) WO2015003692A1 (fr)

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DE102015114470B4 (de) * 2015-08-31 2019-01-24 Harting Electric Gmbh & Co. Kg Kontaktträger
DE102017120180B3 (de) 2017-09-01 2019-01-03 HARTING Electronics GmbH Gewinkelter Steckverbinder
US11583915B2 (en) 2019-04-26 2023-02-21 Steris Instrument Management Services, Inc. Hose crimping assembly
US11982835B2 (en) * 2019-05-24 2024-05-14 Nlight, Inc. Apparatuses for scattering light and methods of forming apparatuses for scattering light

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Also Published As

Publication number Publication date
KR101738831B1 (ko) 2017-05-22
WO2015003692A1 (fr) 2015-01-15
PL3020093T3 (pl) 2017-12-29
CA2916754A1 (fr) 2015-01-15
US9502786B2 (en) 2016-11-22
CN105379019A (zh) 2016-03-02
EP3020093A1 (fr) 2016-05-18
RU2621677C1 (ru) 2017-06-07
HUE035748T2 (en) 2018-05-28
KR20160030544A (ko) 2016-03-18
DE102013107352A1 (de) 2015-01-15
ES2633825T3 (es) 2017-09-25
DK3020093T3 (en) 2017-07-17
US20160126643A1 (en) 2016-05-05
CN105379019B (zh) 2017-10-31

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