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EP3020093A1 - Élément de contact électrique - Google Patents

Élément de contact électrique

Info

Publication number
EP3020093A1
EP3020093A1 EP14752552.1A EP14752552A EP3020093A1 EP 3020093 A1 EP3020093 A1 EP 3020093A1 EP 14752552 A EP14752552 A EP 14752552A EP 3020093 A1 EP3020093 A1 EP 3020093A1
Authority
EP
European Patent Office
Prior art keywords
electrical contact
contact element
splice
connection sleeve
sleeve
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.)
Granted
Application number
EP14752552.1A
Other languages
German (de)
English (en)
Other versions
EP3020093B1 (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

Links

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.
  • DE 1 164 532 A shows a reversible contact element for electrical plug-in 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.
  • From DE 1 135 072 B a flat contact element for electrical plug-in devices is known that is brought together for the purpose of producing the plug connection with its mating contact element at an angle of 90 °.
  • the designed as a bent metal part contact element know on its connection side on several metal tabs, which are provided for squeezing a connected electrical conductor.
  • connection side of the contact element is particularly simple and inexpensive to manufacture and at the same time contact with a corresponding crimping tool anywhere can be easily and quickly produced.
  • This offers, especially with respect to a soldered connection as described in DE 1 164 532 A at the outset, a particular advantage in the flexibility with respect to the mounting and the connection of 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 preferably 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 splicing 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. As a result, either dents are pressed into the contact element, or from a round shape, for example, a polygon is pressed. Thus, a force is introduced from the connecting sleeve to the inner conductor at several points and this fixed so.
  • 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 splice segments of the splice element have ment 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 segment is that the individual strands of an electrical conductor are more strongly squeezed in the area of the connection sleeve opening than in the area facing the plug side.
  • 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 safe, electrical contacting of stranded conductors, in which a Wallet istsungeeig-- designated, poorly conductive surface of the individual strands is penetrated.
  • Figure 4 shows a single splice element in a three-dimensional view
  • Figure 5 shows an electrical contact element with inserted electrical
  • connection sleeve 1 shows an electrical contact element 1 in a longitudinal section along the longitudinal axis A.
  • a plug-in 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 splicing element 10 essentially has a base 12 and a plurality of splice segments 1 1.
  • 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 1 1 of the splice element 10 are directed away from the base 12 in the connection sleeve 4.
  • the splice segments 1 1 extend over almost the entire length of the connecting sleeve 4.
  • the splicing element 10 has six splice segments 1 1.
  • the material thickness is lower here than the splice segments 1 1 itself. This advantageously serves a high flexibility of the splice segments 1 1 to the base 12.
  • the electrical contact element 1 is shown once again as in FIG. However, without the splice element 10.
  • the bore 5, which connects the plug side 2 of the electrical contact element 1 to the connection side 3, can be seen better.
  • a thread-like contour on the inner side 18 can be seen in FIG.
  • 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 splicing element 10 in a three-dimensional view with a view of the connection side 3.
  • the four grooves 17 running around the connection sleeve 4 can also be seen here, 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 workpiece. in the crimping area.
  • the flattening 6 marks the position of a splicing segment 11 in the connecting sleeve 4.
  • the maximum force and pinching of the crimping tool can be exactly matched to the crimping tool Acting positions behind each of which a splice segment 1 1 is located.
  • FIG. 4 shows a splicing element 10 in a spatial representation.
  • the splice element 10 consists of a base 12 from which the splice segments 1 1, 1 1 ', 1 1 ", 1 1"', 1 1 "", 1 1 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 1 1 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 schematic conductor 20 in a sectional view.
  • the section of the view extends transversely through the electrical contact element.
  • Recognizable is the receiving sleeve 4, as well as the splice segments received therein, 1 1 ', 1 1 ", 1"', 1 1 "", 1 1, which are distributed over the circumference of the inner surface 18 of the receiving sleeve 4.
  • 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 1 1, so that advantageously a large part of the individual strands is in contact with one of the splice segments 1 1.
  • the flattening 6 can be seen in FIG. 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)

Abstract

L'invention concerne un élément de contact électrique (1) permettant la mise en contact d'un conducteur multibrin (20), l'élément de contact électrique étant muni d'un côté raccordement (3) et d'un côté enfichage (2). Pour améliorer la mise en contact du conducteur multibrin (20), un élément d'épissurage (10) est placé dans une douille de raccordement (4) formant le côté raccordement (3). L'élément d'épissurage (3) est prévu pour déployer en éventail les différents brins du conducteur (20), pour mettre en contact la plus grande surface possible des différents brins et pour endommager la surface des brins par une opération d'écrasement ou de sertissage. L'invention assure une mise en contact électrique fiable du conducteur multibrins (20) par la pénétration d'une surface des différents conducteurs appropriée à la mise en contact et faiblement conductrice.
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 true EP3020093A1 (fr) 2016-05-18
EP3020093B1 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)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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GB528772A (en) * 1939-05-15 1940-11-06 George Blount Improved mechanical connectors of the cone-grip type for overhead electrical conductors
DE1135072B (de) 1961-07-18 1962-08-23 Harting Elektro W Flach-Kontaktelement fuer elektrische Steckvorrichtungen
DE1164532B (de) 1961-09-21 1964-03-05 Harting Elektro W Umkehrbares Kontaktelement fuer elektrische Steckvorrichtungen
US3346690A (en) * 1966-03-10 1967-10-10 Simplex Wire & Cable Co Alkali metal conductor terminal
DE1992567U (de) 1968-05-30 1968-08-29 Harting Elektro W Kontaktelement.
GB1347234A (en) * 1970-12-22 1974-02-27 Ross Courtney Co Ltd Solderless joints for electrical conductors
GB2037503B (en) 1978-12-07 1983-02-09 Amp Inc Electrical terminals
SU1019527A1 (ru) * 1982-02-23 1983-05-23 Blinov Lev S Электрический штепсельный разъем
EP0147218A3 (fr) 1983-12-29 1987-07-15 Thomas & Betts Corporation Connecteur à compression perçant l'isolant
JP3392229B2 (ja) * 1993-08-17 2003-03-31 ザ ウィタカー コーポレーション 圧着端子組立体
US5658163A (en) * 1995-12-19 1997-08-19 Molex Incorporated Terminal for connecting electrical wires
US6220902B1 (en) * 1999-05-13 2001-04-24 Unit Electrical Engineering Ltd. Method and apparatus for connecting an object to a device
US6837756B2 (en) * 2001-10-05 2005-01-04 Amphenol Corporation Radially resilient electrical connector and method of making the same
US7160156B2 (en) 2003-09-03 2007-01-09 Holliday Randall A Crimpable wire connector assembly
RU2264681C2 (ru) * 2003-11-14 2005-11-20 Закрытое акционерное общество "Мехта" Муфта кабельного удлинителя кабельной линии погружного электродвигателя
KR200360853Y1 (ko) * 2004-06-02 2004-09-07 송창섭 탄산가스 용접기용 전원케이블 어댑터
US7500868B2 (en) * 2006-05-02 2009-03-10 Michael Holland Compression connector for stranded wire
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Also Published As

Publication number Publication date
HUE035748T2 (en) 2018-05-28
CN105379019A (zh) 2016-03-02
CA2916754A1 (fr) 2015-01-15
US9502786B2 (en) 2016-11-22
WO2015003692A1 (fr) 2015-01-15
CN105379019B (zh) 2017-10-31
KR101738831B1 (ko) 2017-05-22
DE102013107352A1 (de) 2015-01-15
DK3020093T3 (en) 2017-07-17
PL3020093T3 (pl) 2017-12-29
ES2633825T3 (es) 2017-09-25
RU2621677C1 (ru) 2017-06-07
KR20160030544A (ko) 2016-03-18
US20160126643A1 (en) 2016-05-05
EP3020093B1 (fr) 2017-05-10

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