WO2017186790A1 - Connexion latérale de cartes de circuits imprimés - Google Patents

Connexion latérale de cartes de circuits imprimés Download PDF

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Publication number
WO2017186790A1
WO2017186790A1 PCT/EP2017/059924 EP2017059924W WO2017186790A1 WO 2017186790 A1 WO2017186790 A1 WO 2017186790A1 EP 2017059924 W EP2017059924 W EP 2017059924W WO 2017186790 A1 WO2017186790 A1 WO 2017186790A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
electrical
contact element
electrical contact
electrical circuit
Prior art date
Application number
PCT/EP2017/059924
Other languages
German (de)
English (en)
Inventor
Frank Hartmann
Original Assignee
Wago Verwaltungsgesellschaft Mbh
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 Wago Verwaltungsgesellschaft Mbh filed Critical Wago Verwaltungsgesellschaft Mbh
Publication of WO2017186790A1 publication Critical patent/WO2017186790A1/fr

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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H01R12/732—Printed circuits being in the same plane
    • 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
    • H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/112—Resilient sockets forked sockets having two legs

Definitions

  • the invention relates to an arrangement with a first electrical circuit board, a second electrical circuit board and a printed circuit board connector for establishing an electrical connection between the first and the second electrical circuit board having the following features:
  • the printed circuit board connector has an integrally formed metal part
  • the integrally formed metal part has at least a first electrical contact element for electrical connection to the first electrical circuit board, at least a second electrical contact element for electrical connection to the second electrical circuit board and at least one electrically conductive Connecting element on,
  • the first electrical contact element is set up for direct contact with the first electrical circuit board
  • the second electrical contact element is set up for direct contact with the second electrical circuit board.
  • the invention relates to the field of making an electrical connection between at least two electrical circuit boards.
  • electrical circuit boards which are also referred to as boards or PCB (printed circuit board)
  • PCB printed circuit board
  • plug-in systems which include arranged on the respective circuit board, usually soldered there connector parts.
  • the present invention relates to the field of direct electrical contacting of the interconnecting printed circuit boards.
  • Such an arrangement with a directly contacting printed circuit board connector is known from US Pat. No. 7,462,036 B2.
  • the local PCB connector is constructed in several parts and thus relatively expensive.
  • the electrical contacts to the circuit board as resilient Sliding contacts formed, which are exposed to relative movements between the circuit boards to be connected to a friction and, accordingly, an increased risk of corrosion.
  • the invention has for its object to provide a respect to the aforementioned problems improved arrangement with a first electrical circuit board, a second electrical circuit board and a directly contacting PCB connector of the type specified.
  • the integrally formed metal part is plugged with its first electrical contact element on the first electrical circuit board, wherein the first electrical contact element engages around the first electrical circuit board on top and bottom,
  • the integrally formed metal part is plugged with its second electrical contact element on the second electrical circuit board, wherein the second electrical contact element engages around the second electrical circuit board top and bottom sides.
  • an electrical circuit board is a relatively thin plate-shaped component which has an upper side and a lower side and is delimited by relatively narrow edge side edges in comparison to the dimensions of the upper side and the lower side.
  • An electrical circuit board has on one side or on both sides, ie top and bottom, electrical contact surfaces for mounting with electrical components.
  • the integrally formed metal part thus engages around the first electrical circuit board with its first electrical contact element from the top and bottom, so that the first electrical circuit board is clamped in the first electrical contact element, and engages with its second electrical contact element, the second electrical circuit board of the Top and bottom, so that the second electrical circuit board is clamped in the second electrical contact element.
  • the circuit board connector can be very simple and accordingly made simple and inexpensive, for example, such that the integrally formed metal part forms the complete PCB connector.
  • circuit board connector permits thermal or assembly-related changes in position of the first and the second electrical circuit board to each other in all three spatial directions while ensuring a secure electrical contact between the electrical circuit boards. Also rotations of the circuit boards to each other can be compensated by the PCB connector.
  • the integrally formed metal part may e.g. be formed of flat sheet metal, e.g. as a stamped and bent part made of resilient sheet metal material.
  • the first and the second electrical circuit board may in particular be equipped with light-emitting diodes, i. be designed as LED boards.
  • the first electrical contact element and the second electrical contact element are arranged side by side and substantially parallel to each other.
  • the printed circuit board connector has essentially mutually parallel plug-in directions of the first and the second electrical contact element, wherein both plug directions point in the same direction in space and not away from each other. This makes it possible for the printed circuit board connector to be pushed onto edge edges of the first and the second electrical circuit board facing in the same spatial direction.
  • the PCB connector is thus not suitable for sliding onto the nearest, usually opposite edge edges of the electrical circuit boards to be connected, but is pushed so to speak laterally on the entire arrangement of the first and the second electrical circuit board.
  • the integrally formed metal part can be laterally plugged onto the first and the second electrical circuit board, i. so to speak, towards the narrow lateral edge side edge and not from above or from below, i. perpendicular to a side provided with the contact surfaces of the circuit board.
  • the lateral direction denotes a lateral plugging direction, which is directed to the narrow edge side edge of the respective electrical circuit board.
  • the first electrical contact element and / or the second electrical contact element is designed as a fork contact with two opposite, in a root region of the integrally formed metal part interconnected fork tongues.
  • This has the advantage that the integrally formed metal part can continue to be produced very easily, since such fork contacts can be provided simply by punching material from a metal sheet.
  • the design as a fork contact also has the advantage that a secure electrical contact and in particular a contact pressure on the circuit board takes place.
  • the electrical circuit board can be electrically contacted by the fork contact on a circuit board side or on both sides of the circuit board, depending on whether corresponding contact surfaces are provided on one or both sides.
  • the first electrical circuit board has an edge-side recess into which a section of the integrally formed metal part adjoining the first electrical contact element is immersed and / or the second electrical circuit board has an edge-side recess into which a immersed in the second electrical contact element subsequent portion of the integrally formed metal part.
  • one, several or all of the edge-side recesses have a width which essentially corresponds to the thickness of the section of the integrally formed metal part immersed in the respective recess.
  • the recess may be formed as a rectangular recess from the edge of the electrical circuit board to the inside area, i. with side walls parallel to each other, or it may also have a shape tapering towards the inside of the circuit board, e.g. conical or with curved side walls. If the arrangement of the side walls is not parallel, then the width of the recess refers to the then present lowest value of the width.
  • the first electrical contact element and / or the second electrical contact element can be particularly accurately fixed relative to the respective circuit board, in particular such that even with changes in the distance of the first and the second electrical circuit board no relative movement of the respective electrical contact element to the respective electrical circuit board.
  • peripheral recesses may be arranged in particular in edge regions of the respective electrical circuit board, which are not the closest to each other edge regions of the electrical circuit boards to be connected.
  • the electrically conductive connecting element has at least one dimensionally variable region, by means of which the printed circuit board connector can accommodate changes in distance between the first and the second electrical circuit board.
  • changes in the distance between the printed circuit boards can be compensated by the printed circuit board connector, without resulting in relative movements between the first and / or the second contact element to the respective printed circuit board.
  • friction and consequent corrosion of the contact elements or the contact surfaces of the circuit board can be avoided.
  • the shape-changing region may have a meandering bent region or a multiple S-shaped bent region, e.g. with elastic properties.
  • a middle bent region of the shape-changeable region to be arranged between the first and the second electrical circuit board.
  • the circuit board connector can be arranged to save space in part between the electrical circuit boards.
  • the central curved portion of the variable-shape region does not necessarily have to be arranged exactly in the circuit board plane of the first and the second electrical circuit board, but may also be arranged slightly offset up or down.
  • the printed circuit board connector has an insulating material housing, in which the integrally formed metal part is accommodated.
  • the insulating housing may e.g. Have integrated latching elements, with which the Isolierstoffge- housing can be snapped onto the integrally formed metal part, so that it can be easily attached thereto.
  • the circuit board connector is latched on the side of the first electrical contact element with the first electrical circuit board and / or that the circuit board connector is latched on the side of the second electrical contact element with the second electrical circuit board.
  • the printed circuit board connector can be attached particularly securely to the first and / or second electrical circuit board.
  • the PCB connector is securely attached to the first and / or the second electrical circuit board even with vibration loads.
  • the respective electrical contact element with the jewei- latching means may be provided, on the one hand to the respective electrical circuit board and on the other hand corresponding locking means on the respective electrical contact element and / or on the immersed in the recess of the respective circuit board portion of the integrally formed metal part or, if present, on the insulating housing of PCB connector. Accordingly, the contact element can be latched to the circuit board, the immersed portion can be locked to the circuit board and / or the insulating housing of the circuit board connector can be locked to the circuit board.
  • a further printed circuit board connector is plugged onto the first printed circuit board connector side facing away from the first and the second electrical circuit board to the first and the second electrical circuit board, having the following features: a) the other circuit board connector has another integrally formed metal part,
  • the further integrally formed metal part has at least one further first electrical contact element for electrical connection to the first electrical circuit board, at least one further second electrical contact element for electrical connection to the second electrical circuit board and at least one further electrically conductive connection element,
  • the further first electrical contact element is electrically and mechanically connected to the further second electrical contact element
  • the further first electrical contact element is set up for direct contact with the first electrical circuit board
  • the further second electrical contact element is set up for direct contact with the second electrical circuit board
  • the further integrally formed metal part is plugged with its further first electrical contact element on the first electrical circuit board, wherein the further first electrical contact element, the first electrical circuit board on top and bottom side embraces,
  • the further integrally formed metal part is connected to its further two-part - O - th electrical contact element plugged onto the second electrical circuit board, wherein the further second electrical contact element engages around the second electrical circuit board top and bottom.
  • the arrangement according to the invention may, in addition to the first and second electrical circuit board, also have one or more further electrical circuit boards which are connected to one another in the same way via the mentioned circuit board connector and optionally the further circuit board connector.
  • a chain of electrical circuit boards can be formed, with two adjacent electrical circuit boards each being electrically connected to one another via the circuit board connector and optionally the further circuit board connector.
  • Figure 2 the circuit board connector according to Figure 1 in a plan view and 3 shows the circuit board connector according to Figure 2 in a side view in the direction A and
  • Figure 4 an arrangement with a first and a second electrical circuit board in a first embodiment
  • Figure 5 an arrangement with a first and a second electrical circuit board in a second embodiment
  • Figure 6 an enlarged detail of a portion of the first electrical circuit board according to Figures 4 and 5 and
  • Figure 7 - a first lateral sectional view taken along section line B-B of Figure 4 and
  • FIG. 8 shows a second lateral sectional view along the section line C - C from FIG. 5 and FIG.
  • FIG. 9 is a perspective view of the first electrical conductor plate according to FIG. 4
  • the circuit board connector 3 shown in different views in Figures 1 to 3 is formed by an integrally formed metal part 39, which may consist of flat resilient sheet metal.
  • the metal part 39 has in its respective end regions, on the one hand, a first electrical contact element 31 and, on the other hand, a second electrical contact element 32.
  • the first and second electrical contact elements 31, 32 are formed as a fork contact.
  • the fork contacts each have two opposite fork tongues 4 which are connected to one another in a respective section 33, 34 of the metal part 39, which forms a root area, adjoining the first and the second electrical contact elements 31, 32, respectively.
  • the integrally formed metal part 39 has a thickness D which can be constant or variable over the extent of the metal part 39.
  • FIG. 2 shows an embodiment of the metal part 39 of constant thickness D.
  • the metal part 39 has an electrically conductive connecting element 38, which electrically and mechanically connects the first electrical contact element 31 with the second electrical contact element 32.
  • an electrically conductive connecting element 38 To the electrically conductive connecting element include the recognizable in the figures sections 33, 34, 35, 36, 37 of the metal part 39th
  • the electrically conductive connecting element 38 has three regions 35, 36, 37 bent in different bending directions, through which a kind of meandering shape is formed.
  • the metal part 39 is relatively flexible in the middle region and thus changeable in shape.
  • the printed circuit board connector is particularly suitable for accommodating changes in the spacing between the electrical circuit boards to be connected through this variable-shape region 35, 36, 37, i. deform in accordance with the changes in distance, without the first electrical contact element 31 has a relative movement to the first electrical circuit board or the second electrical contact element 32 must perform a relative movement to the second electrical circuit board.
  • the section of the flat metal part 39 of the connecting element 38 in the region of the respective sections 33, 34, 35, 37 has a first width H1 extending perpendicular to the direction of extension between the contact elements 31, 32 and perpendicular to the thickness D.
  • the width of the connecting element 38 decreases in each case from the shape-changing regions 35, 37 in the direction of the central shape-changing region 36, so that the shape-changing region 36 has a lower height H2 compared to the first width H1.
  • FIG. 4 shows a top view of a first electrical circuit board 1 with electrical and / or electronic components 14 arranged thereon and a second electrical circuit board 2 with electrical and / or electronic components 24 arranged thereon.
  • Contact surfaces 10, 1 are provided on the first electrical circuit board 1 1 arranged, on the second electrical circuit board 2 contact surfaces 20, 21 are arranged.
  • the electrical circuit boards 1, 2 have further contact surfaces and conductor tracks, which are not shown in the figures.
  • a printed circuit board connector 3 as previously explained with reference to Figures 1 to 3, attached to the circuit boards 1, 2. It can be seen that the first electrical contact element 31 is arranged on the contact surface 10 and thus electrically contacts it. The second electrical contact element 32 is arranged on the contact surface 20 and thus contacts it electrically. In this way, an electrical connection between the contact surface 10 and the contact surface 20 is made via the printed circuit board connector 3.
  • the printed circuit board connector 3 is attached laterally to the printed circuit boards 1, 2, i. in the lateral direction L.
  • the portion 33 is immersed in the recess 12 and the portion 34 is immersed in the recess 22.
  • FIG. 5 shows an embodiment of the arrangement with the first and the second electrical circuit board 1, 2, in which they are arranged closer to each other and thus have only a small gap or distance from each other.
  • a differently designed printed circuit board connector 3 is used, in which the integrally formed metal part is made longer in the region of the electrically conductive connecting element 38, so that the middle bent region 36 does not come into a region between the printed circuit boards 1, 2, but next to it the circuit boards 1, 2 is arranged. This allows a denser arrangement of the circuit boards side by side.
  • the recess 12 has a width B, which is advantageously designed such that it substantially corresponds to the thickness D of the integrally formed metal part 39, at least In this way, the respective section 33, 34 sits relatively low backlash or backlash in the respective recess 12, 22, so that the respective section 33, 34 and thus the associated contact element 31, 32 at the respective Printed circuit board 1, 2, is fixed and no relative movements perpendicular to the mounting direction of the contact elements 31, 32 can run on the circuit boards 1, 2.
  • FIG. 7 shows the first electrical circuit board 1 in a sectional representation in a sectional plane which extends centrally through the recesses 12, 13 perpendicular to the circuit board. It can be seen that the first contact element 31 designed as a fork contact is clamped to the contact forks 4 on the printed circuit board 1.
  • FIG. 8 shows a sectional view of the arrangement with a first and a second electrical circuit board 1, 2 according to the section line CC of Figure 5, wherein the section through the gap between the first and second printed circuit board 1, 2nd ⁇
  • the printed circuit board connector 3 is cut in the region of the middle spring bow 36. It can clearly be seen here that the metal sheet of the printed circuit board connector 3 has a smaller width H2 in the region of the shape-changing region 36 formed as a spring bow than the width H1 in the region of the shape-changing region 37, which is likewise designed as a spring bow.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention concerne un ensemble comprenant une première carte de circuits imprimés électrique, une deuxième carte de circuits imprimés électrique et un connecteur de cartes de circuits imprimés destiné à établir une connexion électrique entre la première et la deuxième carte de circuits imprimés électrique. L'invention comprend les caractéristiques suivantes : a) le connecteur de cartes de circuits imprimés comporte une pièce métallique réalisée d'une seule pièce, b) la pièce métallique réalisée d'une seule pièce comporte au moins un premier élément de contact électrique pour la connexion électrique à la première carte de circuits imprimés électrique, au moins un deuxième élément de contact électrique pour la connexion électrique à la deuxième carte de circuits imprimés électrique et au moins un élément de connexion électro-conducteur, c) le premier élément de contact électrique est connecté électriquement et mécaniquement au deuxième élément de contact électrique par l'élément de connexion électro-conducteur, d) le premier élément de contact électrique est conçu pour établir un contact direct avec la première carte de circuits imprimés électrique, e) le deuxième élément de contact électrique est conçu pour établir un contact direct avec la deuxième carte de circuits imprimés électrique, f) la pièce métallique réalisée d'une seule pièce est enfichée au moyen de son premier élément de contact électrique sur la première carte de circuits imprimés électrique, le premier élément de contact électrique enserrant la première carte de circuits imprimés électrique par le dessus et par le dessous, g) la pièce métallique réalisée d'une seule pièce est enfichée au moyen de son deuxième élément de contact électrique sur la deuxième carte de circuits imprimés électrique, le deuxième élément de contact électrique enserrant la deuxième carte de circuits imprimés électrique par le dessus et par le dessous.
PCT/EP2017/059924 2016-04-28 2017-04-26 Connexion latérale de cartes de circuits imprimés WO2017186790A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016107898.0A DE102016107898B4 (de) 2016-04-28 2016-04-28 Laterale Leiterplattenverbindung
DE102016107898.0 2016-04-28

Publications (1)

Publication Number Publication Date
WO2017186790A1 true WO2017186790A1 (fr) 2017-11-02

Family

ID=58632419

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/059924 WO2017186790A1 (fr) 2016-04-28 2017-04-26 Connexion latérale de cartes de circuits imprimés

Country Status (2)

Country Link
DE (1) DE102016107898B4 (fr)
WO (1) WO2017186790A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017221332B4 (de) * 2017-11-28 2021-08-26 Sivantos Pte. Ltd. Verfahren zur Herstellung eines Hörgerätes
DE102019119588A1 (de) * 2019-07-19 2021-01-21 HARTING Electronics GmbH Kontaktelement zum elektrischen Verbinden von Leiterkarten und Verfahren zur Montage einer Leiterkartenanordnung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220382A (en) * 1978-12-15 1980-09-02 Amp Incorporated Bussing connector
FR2693340A1 (fr) * 1992-07-03 1994-01-07 Jaeger Ensemble électrique comprenant au moins deux circuits imprimés.
US7462036B2 (en) 2007-01-16 2008-12-09 Samsung Electro-Mechanics Co., Ltd. Printed circuit board connector for back light unit and chassis using the same
GB2467027A (en) * 2008-12-08 2010-07-21 Avx Corp LED Light Assembly
DE102012016281A1 (de) * 2012-08-17 2014-05-15 Wago Verwaltungsgesellschaft Mbh Elektrische Verbindungsanordnung und deren Bauteile

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5742484A (en) * 1997-02-18 1998-04-21 Motorola, Inc. Flexible connector for circuit boards
JP2002324607A (ja) * 2001-04-25 2002-11-08 Matsushita Electric Ind Co Ltd フレキシブルプリント基板の中継コネクタ
DE102008033430B4 (de) * 2008-07-16 2010-04-01 Adc Gmbh Verteileranschlussmodul für die Telekommunikations- und Datentechnik
EP2685151A3 (fr) * 2012-07-09 2017-11-15 Panasonic Intellectual Property Management Co., Ltd. Dispositif d'illumination

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220382A (en) * 1978-12-15 1980-09-02 Amp Incorporated Bussing connector
FR2693340A1 (fr) * 1992-07-03 1994-01-07 Jaeger Ensemble électrique comprenant au moins deux circuits imprimés.
US7462036B2 (en) 2007-01-16 2008-12-09 Samsung Electro-Mechanics Co., Ltd. Printed circuit board connector for back light unit and chassis using the same
GB2467027A (en) * 2008-12-08 2010-07-21 Avx Corp LED Light Assembly
DE102012016281A1 (de) * 2012-08-17 2014-05-15 Wago Verwaltungsgesellschaft Mbh Elektrische Verbindungsanordnung und deren Bauteile

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Publication number Publication date
DE102016107898A1 (de) 2017-11-02
DE102016107898B4 (de) 2019-04-11

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