EP3375048A1 - Contact à enficher - Google Patents

Contact à enficher

Info

Publication number
EP3375048A1
EP3375048A1 EP16793929.7A EP16793929A EP3375048A1 EP 3375048 A1 EP3375048 A1 EP 3375048A1 EP 16793929 A EP16793929 A EP 16793929A EP 3375048 A1 EP3375048 A1 EP 3375048A1
Authority
EP
European Patent Office
Prior art keywords
contact
plug
legs
region
circuit board
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.)
Pending
Application number
EP16793929.7A
Other languages
German (de)
English (en)
Inventor
Ralf Geske
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact 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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP3375048A1 publication Critical patent/EP3375048A1/fr
Pending legal-status Critical Current

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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H01R12/585—Terminals having a press fit or a compliant portion and a shank passing through a hole in the printed circuit board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
    • H01R12/7011—Locking or fixing a connector to a PCB
    • H01R12/7017—Snap means
    • H01R12/7023—Snap means integral with the coupling device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables

Definitions

  • the invention relates to a plug contact for making electrical contact with a printed circuit board by inserting the plug contact into a contact hole of the printed circuit board, with two relatively resilient contact legs, a connection region and a connecting region connecting the two contact legs to each other and to the connection region, wherein the plug contact is punched out of a metallic flat material is.
  • the invention also relates to an electrical terminal with a housing, with a clamping spring and with a busbar piece, wherein the clamping spring has a clamping leg and a plant leg and the clamping leg with the busbar piece a spring force clamp connection for an electrical conductor to be connected and wherein in the housing a Portereinf opening for the introduction of an electrical conductor to be connected and a Betreli whysöff are designed to open the Federkraftklemman gleiches.
  • Plug contacts for the production of electrical and / or electronic connections between lines, various components or the like and bus bars are known in various embodiments and for various fields of use.
  • the plug contacts are plugged into corresponding receiving contacts or socket elements, wherein the receiving contacts can be, for example, corresponding openings in busbars or the like.
  • the plug contacts themselves can be connected to electrical components or be provided for connection to electrical lines, for which purpose the connection region of the plug contacts is designed accordingly.
  • a disadvantage of both soldering and press-fitting is that both joining techniques are not are versible, so that a compound once made can not - or only with increased effort - can be separated again.
  • additional work steps and / or special tools are required to make the connection.
  • connectors that have been used in other applications for decades offer an alternative, since the connection can be easily made by hand and, moreover, can be separated again, that is reversible.
  • the terminals may be formed, for example, for connecting an electrical conductor or a plurality of conductors to a printed circuit board as a so-called print terminal, including the terminals corresponding contact pins which are pressed or soldered into the holes in the circuit board.
  • clamping springs both loop-shaped clamping springs, so-called spring-loaded terminals, as well as U-shaped or V-shaped clamping springs are used in the rigid conductor or provided with a wire end conductor directly, d. H. without the need to open the nip previously with a tool, can be plugged.
  • the nip between the clamping leg and the busbar piece is opened, for which purpose an actuating opening for inserting a tool, for example the tip of a screwdriver, is formed in the housing.
  • a tool for example the tip of a screwdriver
  • the conductor to be connected is pressed by the clamping leg against the conductor rail piece, whereby the electrical connection between the conductor and the conductor rail piece is produced.
  • an electrical terminal is known, which is not formed as a print terminal but as part of a terminal block.
  • the known terminal has an actuating pushbutton, which is arranged displaceably in an actuating opening formed in the housing. With the help of the actuating push-button, the clamping point can be opened when the actuating push-button is pressed into the housing.
  • plug contact is known, which is designed in the manner of a fork and has two flat, relatively resilient contact legs, which are connected to each other via a common connection area.
  • a terminal with several such plug contacts is known from DE 10 2011 011 017 A1.
  • the individual plug contacts are arranged in several rows next to each other in chambers of the terminal housing so that the plug contacts extend perpendicular to the plane of the circuit board.
  • the connection areas are designed as crimp terminals for the individual plug contacts.
  • the present invention is therefore based on the object to provide a plug-in contact described above, which has the lowest possible height.
  • an electrical terminal is to be specified, with an electrical conductor can be easily connected to a circuit board.
  • the two contact legs thus not in a plane, but are angled, wherein the angle between the two regions of the contact legs preferably in about 90 °. If the second region of the contact limbs runs with the free ends perpendicular to the plane of the printed circuit board in whose contact hole the plug contact is inserted, then the first region of the contact limbs thus extends approximately parallel to the plane of the conductor surface.
  • the plug contact according to the invention has the advantage that the effective during insertion of the contact legs in the contact hole working area of the plug contact, i. the region which generates the restoring force of the plug-in contact lies substantially in the first region of the contact legs.
  • the contact legs are stressed in this area primarily to torsion and not bending, which results in that the plug contact is more elastic, compared to a plug contact with straight, not angled contact legs. As a result, the plug-in contact can be inserted more easily into a contact hole or pulled out of the contact hole again.
  • connection region and the second regions of the two contact limbs run essentially parallel to one another.
  • the connection region thus extends - as well as the second regions of the two contact legs - perpendicular to the plane of a printed circuit board, in the contact hole of the plug contact is to be inserted, so that the plug contact is a total of two times angled.
  • the two contact legs have different lengths, ie there is a first, longer contact leg and a second, shorter contact leg.
  • a guide portion is formed, which is arranged in the insertion direction of the plug contact in front of the free end of the shorter contact leg.
  • the guide section serves as an insertion and centering when inserting the plug contact in the corresponding contact hole in a circuit board.
  • the guide section preferably has a wedge-shaped or semicircular outer contour on its side facing away from the connection area and thus facing the contact hole when it is plugged in.
  • a further embodiment of the invention provides that the two contact legs have a wave-shaped outer contour extending in the longitudinal direction.
  • the region of the wave crest of the wave-shaped outer contour of the contact limbs preferably forms the contacting region of the contact limb contacting the contact hole in the inserted state.
  • the two contact legs are bent to each other maximum, so that the contact normal force between see the contact legs and the inner wall of the contact hole is maximum.
  • the insertion force is small enough so that the plug contact alone - or arranged together with multiple plug contacts in a higher-pole connector - can be easily assembled by hand.
  • the two contact legs at least in their contact area on a rounded cross-sectional outer contour.
  • the outer edges of the contact legs are thus at least in the region in which the contact legs contact the contact hole in the inserted state, edited so that they have no sharp edges.
  • the outer contour of the contact legs may for this purpose have a radius which is smaller than the radius of the contact hole. This makes it possible to repeatedly plug in and pull the plug-in contact, without causing major damage to the inner wall of the contact hole in the printed circuit board. Without the advantageously provided rounded outer contour grooves may form in the wall of the contact hole after a few mating cycles, may be damaged by the surface of the wall of the contact hole.
  • the electrical Irish terminal has a plug contact according to the invention, which is at least partially disposed in the housing, that the bus bar piece is formed by the terminal portion of the plug contact.
  • the spring terminal connection is thus formed by the clamping leg of the clamping spring and the connection region of the plug contact, wherein the contact legs of the plug contact protrude with their second regions from the bottom of the housing.
  • connection terminal has a plug-in contact according to the invention
  • the connection terminal can also have a relatively small overall height.
  • a conductor to be connected via the spring terminal connection can be easily connected to the terminal and thus also to a printed circuit board. If necessary, the electrical conductor can also be pulled out of the connection terminal again when the spring terminal connection is opened, so that the electrical connection between the conductor and the circuit board can also be released again.
  • connection region runs parallel to the second regions of the two contact legs
  • the conductor insertion opening is arranged on the upper side of the housing and an electrical conductor to be connected is inserted into the connection terminal perpendicular to the plane of the printed circuit board.
  • the electrical conductor is then pressed by the free end of the contact leg against the terminal region of the plug contact, whereby the electrically conductive connection between the conductor and the plug contact is made.
  • a release of the conductor from the terminal is easily possible by the nip is opened, for which purpose the clamping leg of the clamping spring is deflected against its spring force by means of a tool inserted into the actuating opening or an actuating lever arranged in the actuating opening.
  • the conductor can then be pulled out of the nip between the clamping leg and the connection area of the plug contact again.
  • a plurality of grooves or notches are preferably formed on the clamping leg facing side of the connection region of the plug contact. Such a structure of the connection region increases the surface pressure between the inserted conductor and the plug contact, which leads to a lower contact resistance.
  • a plurality of adjusting elements are formed, which are introduced when placing the terminal on the circuit board in corresponding recesses in the circuit board.
  • the ends of the adjusting elements are preferably formed cone-shaped, which facilitates the imports of the adjusting elements in the corresponding recesses in the circuit board.
  • the length of the adjusting elements is selected so that when placing the terminal on the circuit board first engage the adjusting elements with their free ends in the corresponding recesses in the circuit board before the free ends of the contact leg of the plug contact dips into the corresponding contact holes in the circuit board ,
  • the electrical terminal according to the invention several locking elements are formed on the underside of the housing in addition to the adjusting elements, which engage in corresponding recesses in the circuit board.
  • the latching elements are preferably designed such that they can be transferred from a first, non-latching state into a second, latching state and vice versa. This makes it possible to loosen the latching between the housing of the electrical connection terminal and the circuit board, so that the electrical connection terminal can be lifted off the circuit board again if necessary.
  • FIG. 1 is a perspective view of a preferred embodiment of a plug-in contact according to the invention
  • Fig. 2 shows a detail of a printed circuit board with an inserted
  • Fig. 4 shows a preferred embodiment of an electrical terminal according to the invention, in perspective, obliquely from above and obliquely from below, and
  • FIG. 5 the electrical terminal of FIG. 4, in cross section.
  • FIG. 1 and 2 show a plug contact 1 for contacting a circuit board 2, to which the plug contact 1 is inserted into a corresponding contact hole 3 in the circuit board 2.
  • the punched out of a metallic sheet and plug connector 1 has two relatively resilient contact legs 4, 5, a connection region 6 and a connection region 7, wherein the two contact legs 4, 5 are connected to each other and the connection region 6 via the connection region 7.
  • the two contact legs 4, 5 each have a first region 4a, 5a and a second region 4b, 5b which are arranged at an angle ⁇ to one another.
  • the angle ⁇ is approximately 90 ° in the preferred embodiment shown in the figures, so that the two contact legs 4, 5 are bent approximately L-shaped.
  • the two contact legs 4, 5 run parallel to one another, so that the angle between the two areas 4a, 4b of the first contact leg 4 corresponds to the angle between the two areas 5a, 5b of the second contact leg 5.
  • the two first regions 4a, 5a of the contact legs 4, 5, which run horizontally in the orientation shown in FIGS. 1 and 2, adjoin the connection region 7, so that the ends of the two second regions 4b, 5b - which in the shown vertical presentation - the free ends 4c, 5c of the contact legs 4, 5 form.
  • connection region 6 and the second regions 4b, 5b of the two contact legs 4, 5 run parallel to each other, so that the first regions 4a, 5a of the contact legs 4, 5 and the connection region 6 at an angle ß are arranged to each other, which is also about 90 °.
  • the illustrated arrangement of the plug contact 1 thus extend the second region 4b, 5b of the two contact legs 4, 5 and the terminal portion 6 perpendicular to the plane of the circuit board 2, while the first portions 4a, 5a of the two contact legs 4, 5 parallel to the plane the circuit board 2 extend.
  • the two contact legs 4, 5 have different lengths, wherein at the free end 4c of the longer, first contact leg 4, a guide portion 8 is arranged in the insertion direction E of the plug contact 1 before the free end 5c of the shorter , second contact leg 5 is located.
  • the guide section 8 serves as an insertion and centering aid when inserting the plug contact 1 into the corresponding contact hole 3 of the printed circuit board 2.
  • the guide section 8 has a wedge-shaped side facing away from the connection region 6, which faces the contact hole 3 when plugged in Outer contour, which dips when plugging in the plug-in contact 1 as the first in the contact hole 3. It can also be seen from FIG.
  • the contact limbs 4, 5 have a wave-shaped outer contour extending in the longitudinal direction, the contacting region 4d, 5d of the contact limbs 4, 5 being arranged in the region of the wave crest of the wave-shaped outer contour is.
  • the two contact legs 4, 5 are thereby bent over one another so that the contact normal force between the contact legs 4, 5 and nenwandung 9 of the contact hole 3 is maximum.
  • the insertion force is small enough, so that the plug contact 1 alone - or arranged together with multiple plug contacts 1 in a higher-pole terminal 10 - can be easily assembled by hand.
  • the contact legs 4, 5 are inserted into the contact hole 3, so that the first regions 4b, 5b are bent toward one another, then the contact legs 4, 5 are subjected to torsion in their first regions 4a, 5a, so that the plug contact 1 is more elastic as if the contact legs were stressed only on bending.
  • the contact leg 4 at least in the contacting region 4d has a rounded in cross-section outer contour. Accordingly, the outer contour of the second contact leg 5 in the contacting region 5d is rounded in cross section.
  • the contact leg 4 is machined so that the outer contour in the contacting 4d has no edges, but is rounded or provided with a radius.
  • the radius of the outer contour is slightly less than the radius of the contact hole 3, so that damage to the inner wall 9 of the contact hole 3 during insertion of the contact legs 4, 5 in the contact hole 3 are prevented.
  • FIG. 4 and 5 show a preferred embodiment of an electrical terminal 10 according to the invention, which has a generally made of plastic existing housing 11 in which a plurality of clamping springs 12 are arranged.
  • the exemplary embodiment of the electrical connection terminal 10 shown in the figures serves to connect five individual conductors, so that a total of five clamping springs 12 are arranged in the housing 11.
  • Each clamping spring 12 is associated with a plug-in contact 1 such that the connection region 6 of a plug-in contact 1 together with the free end of the clamping leg 13 of a clamping spring 12 forms a spring-force clamping connection for an electrical conductor inserted into the housing 11 through a conductor insertion opening 15. Since the terminal 10 is provided for connecting five conductors, in the housing 11 are also correspondingly five autismeinbowungsö Maschinenen 15 and five actuation openings 16 for opening each of a FederkraftklemmanBankes formed. In particular, from the representation of the terminal 10 obliquely from below according to FIG.
  • the contact legs 4, 5 are each bent in an L-shape, wherein the first portions 4a, 5a parallel to the plane of the circuit board 2, the electrical connection terminal 10 has a reduced height.
  • adjacent plug contacts 1 are each offset by 180 ° relative to one another, whereby a larger distance between the free ends 4c, 5c of adjacent plug contacts 1 is achieved without the width of the terminal 10 being increased.
  • the terminal 10 can thereby have a very small overall dimensions.
  • a plurality of grooves 18 are formed on the clamping leg 13 facing side of the connection region 6, whereby the surface pressure between an inserted and the end of the clamping leg 13 against the Terminal area 6 pressed conductor and the connection area 6 is increased.
  • a plurality of offset at the bottom 17 of the housing mutually arranged adjusting elements 19 and on the two end sides of the housing 11, two locking elements 20 are formed, each protrude beyond the bottom 17 of the housing 11 and can be inserted into corresponding recesses in a printed circuit board 2.
  • the two latching elements 20 each have two mutually opposite latching lugs 21.
  • An interposed between the locking lugs 21 arranged in the longitudinal direction of the locking element 20 slidably formed locking pin 22 prevents unwanted spring back of the locking lugs 21 when the locking pin 22 is in the locking position shown in Fig. 4b between the two locking lugs 21.
  • an actuating lever 23 is slidably disposed in the Betuschistsöffhungen 16 each. If the actuating pushbutton 23 is pressed into the actuating opening 16 of the housing 11, the actuating pushbutton 23 deflects the clamping leg 13 of the clamping spring 12 against its spring force, so that a connected conductor can be pulled out of the clamping point or a flexible conductor can be inserted into the clamping point.

Abstract

L'invention concerne un contact à enficher (1) pour l'établissement d'un contact électrique avec une carte de circuit imprimé (2) au moyen de l'enfichage du contact à enficher (1) dans un trou de contact (3) de la carte de circuit imprimé (2). Le contact à enficher est pourvu de deux branches de contact (4, 5) planes, élastiques l'une par rapport à l'autre, d'une zone de branchement (6) et d'une zone de liaison (7) reliant les deux branches de contact (4, 5) entre elles et à la zone de branchement (6), le contact à enficher (1) étant découpé en une seule pièce dans un matériau plat métallique. Le contact à enficher (1) selon l'invention présente ainsi seulement une faible hauteur du fait que les deux branches de contact (4, 5) comprennent chacune une première zone (4a, 5a) et une seconde zone (4b, 5b) qui sont disposées l'une par rapport à l'autre selon un angle α de sorte que les deux branches de contact (4, 5) sont cintrées approximativement en forme de L, les deux premières zones (4a, 5a) étant contiguës à la zone de liaison (7) tandis que les extrémités des deux secondes zones (4b, 5b) forment les extrémités libres (4c, 5c) des branches de contact (4, 5).
EP16793929.7A 2015-11-11 2016-11-10 Contact à enficher Pending EP3375048A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015119484.8A DE102015119484A1 (de) 2015-11-11 2015-11-11 Steckkontakt
PCT/EP2016/077340 WO2017081197A1 (fr) 2015-11-11 2016-11-10 Contact à enficher

Publications (1)

Publication Number Publication Date
EP3375048A1 true EP3375048A1 (fr) 2018-09-19

Family

ID=57256347

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16793929.7A Pending EP3375048A1 (fr) 2015-11-11 2016-11-10 Contact à enficher

Country Status (7)

Country Link
US (1) US10665970B2 (fr)
EP (1) EP3375048A1 (fr)
JP (1) JP6685394B2 (fr)
CN (1) CN108352636B (fr)
CA (1) CA3004953C (fr)
DE (1) DE102015119484A1 (fr)
WO (1) WO2017081197A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2017182633A1 (fr) 2016-04-22 2017-10-26 Phoenix Contact Gmbh & Co. Kg Contact enfichable

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DE102017110621B3 (de) * 2017-05-16 2018-11-22 Phoenix Contact Gmbh & Co. Kg Anordnung aus einer Leiterplatte und mindestens einem Steckkontakt
DE102017219193B3 (de) 2017-10-26 2019-03-28 Phoenix Contact Gmbh & Co. Kg Steckbares Ensemble
DE102018210233B4 (de) * 2018-06-22 2020-01-09 Würth Elektronik eiSos Gmbh & Co. KG Direktstecker und Direktsteckverbindung
DE102018210237A1 (de) * 2018-06-22 2019-12-24 Würth Elektronik eiSos Gmbh & Co. KG Kontakt für Direktsteckverbinder und Direktsteckverbinder
US11509078B2 (en) * 2018-07-26 2022-11-22 Vitesco Technologies USA, LLC. Compliant pin structure for discrete electrical components
DE102018220184B4 (de) * 2018-11-23 2022-05-25 Volkswagen Aktiengesellschaft Steckervorrichtung für eine Batterie, Batterie und Kraftfahrzeug
DE102019210235B4 (de) 2019-07-10 2023-03-23 Würth Elektronik eiSos Gmbh & Co. KG Direktsteckverbinder

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EP3446366B1 (fr) * 2016-04-22 2021-12-08 Phoenix Contact GmbH & Co. KG Contact enfichable

Also Published As

Publication number Publication date
JP6685394B2 (ja) 2020-04-22
CN108352636A (zh) 2018-07-31
JP2018534745A (ja) 2018-11-22
CN108352636B (zh) 2020-10-23
CA3004953A1 (fr) 2017-05-18
CA3004953C (fr) 2020-08-25
DE102015119484A1 (de) 2017-05-11
WO2017081197A1 (fr) 2017-05-18
US20180351271A1 (en) 2018-12-06
US10665970B2 (en) 2020-05-26

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