WO2016173808A1 - Ensemble connecteur pour cartes de circuits imprimés - Google Patents

Ensemble connecteur pour cartes de circuits imprimés Download PDF

Info

Publication number
WO2016173808A1
WO2016173808A1 PCT/EP2016/057375 EP2016057375W WO2016173808A1 WO 2016173808 A1 WO2016173808 A1 WO 2016173808A1 EP 2016057375 W EP2016057375 W EP 2016057375W WO 2016173808 A1 WO2016173808 A1 WO 2016173808A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
contact
printed circuit
contact bridge
bridge insert
Prior art date
Application number
PCT/EP2016/057375
Other languages
German (de)
English (en)
Inventor
Dieter Holste
Lars Funke
Original Assignee
Phoenix Contact Gmbh & 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 & Co. Kg filed Critical Phoenix Contact Gmbh & Co. Kg
Priority to CN201690000733.8U priority Critical patent/CN209822910U/zh
Publication of WO2016173808A1 publication Critical patent/WO2016173808A1/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
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09145—Edge details
    • H05K2201/09172—Notches between edge pads
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/40—Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/4007—Surface contacts, e.g. bumps
    • H05K3/4015—Surface contacts, e.g. bumps using auxiliary conductive elements, e.g. pieces of metal foil, metallic spheres

Definitions

  • the invention relates to an electrical connector assembly for connecting a printed circuit board, a
  • Such bus plugs contain two contact springs per pole, between which a circuit board is inserted to contact the tracks on the circuit board.
  • the two contact springs are independent of each other and are not electrically connected directly to each other.
  • the circuit board typically has two
  • Terminal blocks are in turn typically with a
  • Another aspect of the object of the invention is to provide an electrical connector assembly for connecting a
  • PCB ready to provide, which optionally allows a loop-through connection between the two contact springs, which is easy and inexpensive to implement, reliable and flexible customizable to customer requirements.
  • a particular aspect of the object of the invention is to provide an electrical connector assembly for connecting a printed circuit board with a loop-through connection between the two contact springs, in which the
  • an electrical connector assembly for directly connecting a printed circuit board
  • the connector assembly for direct
  • Connecting the circuit board includes an electrical connector and the plug-in into the connector
  • the printed circuit board is in particular a printed and equipped with electronic components
  • Circuit board which is sometimes referred to as a printed circuit board or PCB (printed circuit board).
  • the printed circuit board has a first and a second flat side, which can also be referred to as the front or rear side.
  • the printed circuit board has, in particular printed circuit traces and electronic components on at least one of the two flat sides, possibly also on both flat sides.
  • the printed circuit board is preferably constructed using SMD technology.
  • the electrical connector has an insulating
  • Connector housing preferably a plastic connector housing, which has a housing opening, in which the circuit board frontally with a
  • the electrical connector has a first and a second
  • the circuit board which are housed in the connector housing.
  • the circuit board slides between the two contact springs, and in the fully inserted state, the inserted edge region of the circuit board is clamped or frictionally held on both sides by the first and second contact spring, wherein the first and second contact spring in With respect to the circuit board opposite.
  • the metallic contact springs also serve to make electrical contact with the printed circuit board.
  • the first and second contact spring come to rest on both sides of the printed circuit board and exercise due to the deflection perpendicular to the plane of the circuit board against the
  • first and second contact springs of a first and second are associated contact spring.
  • the contact bridge insert is electrically connected to the conductor track to be contacted, In particular, the contact bridge insert is soldered onto the conductor track to be contacted.
  • the contact bridge insert extends through the passage opening and is acted upon on the first side opposite the second side of the second contact spring with the clamping force and
  • the contact bridge insert is electrically and mechanically contacted by the first contact spring on the first side and by the second contact spring on the second side, so that the contact bridge insert is held in a clamping and electrically directly contacting manner by the first and second contact spring.
  • the contact bridge insert not only causes the two-sided direct contact by the two contact springs, but also simultaneously produces an electrical loop-through connection between the first and second contact spring when the circuit board is inserted into the connector.
  • Contact bridge insert is determined and is independent of the thickness of the circuit board. This is particularly advantageous since printed circuit boards can typically have relatively large thickness tolerances and the
  • the connector may have a plurality of pairs of first and second contact springs, which contact a plurality of juxtaposed conductor tracks and by means of one each
  • the circuit board can be between the
  • Circuits extend on protrusions or fingers of the circuit board, which are inserted into the connector.
  • the housing opening with partitions
  • the circuit board may also have a straight end for insertion into the connector.
  • the user can in Advantageously, even selectively select selectively for each trace whether a loop-through connection
  • the invention provides the user with flexible design options by adapting only the circuit board design and without or with only minor changes in the connector.
  • the connector is preferably a bus plug or
  • Bus connector e.g. for connecting actuators or sensors, in particular a bus connector in one
  • Contact springs can be created due to the looping through bus connector to bus connector between all bus connectors.
  • the contact bridge insert is preferably as a sheet metal stamped and formed metal element
  • the contact bridge insert is made of a
  • Metal sheet of copper or a copper alloy punched and shaped which has the advantage of high conductivity.
  • Use of copper or copper alloys may be acceptable in the present invention, inter alia, by choosing a suitable shape.
  • a thickness of the metal sheet between 0.1 mm and 0.5 mm is suitable for at least three
  • the contact bridge insert is preferably as
  • Contact bridge insert is adapted to the conditions of the SMD assembly and it fits into conventional blister straps for SMD assembly.
  • the contact bridge insert is soldered to the at least one conductor track.
  • the thickness of the circuit board in the region of the contact bridge insert is partially reduced and the
  • Conductor extends to the thickness-reduced area and is there soldered to the flat solder and contact plate of the contact bridge insert. This has the advantage that the contact bridge insert on the soldered side does not apply, but that the flat solder and
  • the inserted end face of the printed circuit board is - as usual - preferably bevelled and the flat solder and contact plate is preferably in an angled free end portion of the contact bridge insert over.
  • angled free end portion extends at least a piece at the tapered end of the
  • PCB he can e.g. be bent at an angle and nestle against the beveled end face.
  • the contact bridge insert comprises in a side view a ring section bent into a flattened ring.
  • This ring portion is slightly narrower than the passage opening and can be easily inserted into the preferably elongate passage opening.
  • the ring portion is also narrower than the flat solder and contact plate.
  • Such a molded contact bridge insert can be easily formed from an elongated stamped sheet metal strip, which is punched with different width sections.
  • the flat solder and contact plate defines one
  • the narrow end of the sheet metal strip terminating in the bent ring portion can be frontally and preferably perpendicularly supported on the back of the planar solder and contact plate to give the ring portion a greater stability.
  • the ring portion thus preferably has two flat contact plates, namely the solder and contact plate and a mating contact plate, which form the first and second contact surface for the first and second contact spring. At one of the two narrow ends of the ring section are the solder and
  • a particular advantage of the invention is given when the contact bridge insert, in particular the curved ring portion to the flattened ring has a height, ie extension in the direction transverse to the circuit board, which is always slightly larger regardless of tolerance variations in the thickness of the circuit board, as the thickness of PCB. As a result, the deflection and thus the normal force of the contact springs regardless of tolerance variations in the circuit board thickness is no longer determined by the thickness of the
  • a typical tolerance of the thickness of the printed circuit board is in fact +/- 10%.
  • the height of the curved to the flattened ring ring portion of the contact bridge insert however, with a tolerance of not greater than +/- 5%, preferably even not greater than +/- 2.5%
  • the invention also provides the printed circuit board, prepared for insertion into the housing opening of the connector as part of the connector assembly, in particular with the advantages described above
  • inventive circuit board comprises a
  • Through hole is a contact bridge insert used to establish the electrical loop-through connection between the first and second contact spring when the circuit board is inserted into the connector.
  • through holes and contact bridge inserts can be present.
  • a plurality of through holes and a plurality of contact bridge inserts are present, wherein in each case one through opening in each case one
  • Another object of the invention is the
  • Another object of the invention is the use of one or more of the contact bridge inserts in the
  • PCB is inserted into the connector.
  • the invention is based on
  • FIG. 1 is a perspective view of a connector with inserted circuit board
  • FIG. 2 is a side view of the two contact elements of the connector of FIG. 1,
  • FIG. 3 is a perspective view of the plug-in
  • Fig. 5 is a perspective, partially cut
  • Fig. 6 is a perspective, partially cut
  • Fig. 8 is an enlarged section of Fig. 7 and Fig. 9 is a side view of three juxtaposed
  • the connector 10 is formed in this example as a bus connector or bus connector and has a connector housing 12 from
  • Plastic with a housing opening 13, in which a circuit board 20 with its Einsteckrand Scheme 22nd
  • the connector 10 is shown cut open at the front left corner, so that the respective U-shaped and at least partially housed by the plastic connector housing 12 first and second contact element 28, 30 and the
  • the first contact element 28 comprises a stamped out and shaped first contact spring 32 and the second contact element 30 comprises a punched out and formed second
  • the connector 10 has a total of a plurality of further first and second juxtaposed contact elements 28, 30 - in this example a total of four - to each contact a conductor track 26.
  • the Board 20 in the Einsteckrand Scheme 22 four contact fingers 24, on which the conductor tracks 26 extend.
  • the contact fingers 24 are separated from each other by slots 23 in the printed circuit board 20.
  • the two left-hand fingers 24 have oblong milled-through openings 36, which are essentially oval in this example, into each of which a contact bridge insert 40 is inserted.
  • FIG. 3 Representation of Fig. 3 is the left contact bridge insert 40 already inserted into the passage opening 36,
  • Edge region 22 of the printed circuit board 20, more precisely the fingers 24, are in the region of the respective through-hole 36, i. where the contact bridge inserts 40 are used to the thickness of the metal sheet from which the
  • Contact bridge inserts 40 are thinned out so that the front first contact surface 40a of the contact bridge inserts 40 runs flush with the front side 20a of the printed circuit board 20.
  • Contact bridge insert 40 is punched and shaped as a metal strip from a thin metal sheet.
  • Contact bridge insert 40 has a soldering and contact plate 42, by means of which the contact bridge insert 40 is soldered to the associated conductor track 26 and at which the first contact spring 32 comes to rest.
  • the soldering and contact plate 42 merges integrally into an oblong oval ring section 44, which can be inserted into the passage opening 36.
  • the planar solder and contact plate 42 has a greater width B than the width b of the
  • the ring portion 44 includes a
  • Contact plate 42 integrally connects with the mating contact plate 48.
  • the mating contact plate 48 forms the second contact surface 48a on which the second contact spring 34 comes to rest.
  • From the flat counter-contact plate 48 is perpendicularly a support leg 50 angled, which is attached to the inside 42b of the solder and contact plate 42 can be supported.
  • the metal strip from which the contact bridge insert 40 is made tapers at location 52.
  • the elongate ring portion 44 is tapered from a portion of the solder and contact plate 42, arc portion 46 , the counter contact plate 48 and the
  • Support leg 50 formed as a ring open at one point.
  • solder and contact plate 42 this is integrally connected to an angled at about 45 ° free end portion 54.
  • the elongate ring portion 44 is inserted by the user into the specially created through opening 36, the soldering and contact plate 42 comes to lie on the thinned portion of the associated finger 24 and there with the conductor track 26, which extends to the thinned area 25, is soldered.
  • the free obliquely angled end portion 54 rests against the tapered end 21 of the circuit board 20 and serves for the longitudinal positioning of the contact bridge insert 40 in the passage opening 36, which is milled as a slightly larger slot.
  • the printed circuit board 20 has a nominal thickness d of 1.02 mm and is thinned in the present example
  • the height h of the contact bridge insert 40 is in this example 1.2 mm and is after punching and shaping to size
  • the tolerance of the thickness of the circuit board 20 is usually +/- 10%, so that the board thickness within the tolerance between 0.92 mm and 1.12 mm
  • the counter contact plate 48 is at least a supernatant even at maximum PCB tolerance on the back 20b of the circuit board 20
  • Solder and contact plate 42 and the second contact surface 48 a of the mating contact plate 48 produce, more constant than if only a conventional circuit board would be inserted. As can be seen in Figs. 6 to 8, the forms
  • any number of the bus plugs 10 may be lined up with each other, with first and second contact elements 28, 30 of adjacent bus plugs 10 being electrically connected to each other.
  • the first contact element 28 has at its the first
  • outer bus contact spring 68 opposite side of the U-shape on an outer bus contact spring 68.
  • the outer bus contact spring 68 and the outer contact surface 66 are from outside the
  • Connector housing 12 accessible and the outer bus contact spring 68 and the outer contact surface 66 of each adjacent and interconnected bus plugs 10 are in contact with each other to a chain-like
  • the user i. the customer of the connector manufacturer, even choose which poles or traces 26 of the circuit board 20 are to be looped through with a contact bridge insert 40 and which are not.
  • the user may, at his discretion, for each individual track 26 or each
  • the invention has the advantage for the user that this
  • a contact bridge insert 40 in particular as an SMD component, is soldered onto the printed circuit board 20.
  • Contact bridge insert 40 is designed so that the fully assembled bus connector 10 can be used unchanged. There are no variants of the connector housing 12 or the contact elements 28, 30 required.
  • the contact bridge insert 40 rests with a side 42b on the printed circuit board 20 and ensures on the one hand via the soldering the electrical connection to the associated conductor 26. On the other hand, it forms the contact surface 42a for the corresponding contact of the first contact spring 32. At the same time emerges bent by 180 ° rear Side of the contact bridge insert 40 through the Through hole 36 in the circuit board 20 through this and forms the mating contact plate 48 with the second contact surface 48 a for contact with the rear second contact spring 34.
  • the contact bridge insert 40 is designed so that its rear second contact surface 48 b even at maximum thickness tolerance of the circuit board 20th over this by the dimension U and so the contacting of the associated second contact spring 34 with the
  • Loop-through connection to certain contact spring pairs 32, 34 is provided or not provided.
  • the connector 10 has a high flexibility for the customer, since the customer by the choice of
  • PCB assembly can determine whether the respective contact point looping or not

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention concerne un ensemble connecteur électrique servant à connecter une carte de circuits imprimés, un insert de pont de contact destiné à être inséré dans la carte de circuits imprimés, ladite carte de circuits imprimés équipée de l'insert de pont de contact et l'utilisation d'un insert de pont de contact pour un tel ensemble connecteur. Cet ensemble connecteur comprend un insert de pont de contact électroconducteur qui établit une connexion électrique par bouclage entre une première et une deuxième lame de contact par l'intermédiaire de l'insert de pont de contact inséré dans l'ouverture de passage.
PCT/EP2016/057375 2015-04-27 2016-04-04 Ensemble connecteur pour cartes de circuits imprimés WO2016173808A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201690000733.8U CN209822910U (zh) 2015-04-27 2016-04-04 用于连接电路板的电气连接器、接触桥型部件和电路板

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015106482.0 2015-04-27
DE102015106482.0A DE102015106482A1 (de) 2015-04-27 2015-04-27 Verbinderanordnung für Leiterplatten

Publications (1)

Publication Number Publication Date
WO2016173808A1 true WO2016173808A1 (fr) 2016-11-03

Family

ID=55661440

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/057375 WO2016173808A1 (fr) 2015-04-27 2016-04-04 Ensemble connecteur pour cartes de circuits imprimés

Country Status (3)

Country Link
CN (1) CN209822910U (fr)
DE (1) DE102015106482A1 (fr)
WO (1) WO2016173808A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB783152A (en) * 1954-12-02 1957-09-18 Westinghouse Electric Int Co Improvements in or relating to electrical two-part connector devices
US2993188A (en) * 1957-12-02 1961-07-18 Ericsson Telefon Ab L M Terminal for printed circuit card
US3536821A (en) * 1968-12-16 1970-10-27 Beckman Instruments Inc Terminal construction for electrical circuit element
US3969010A (en) * 1974-05-17 1976-07-13 E. I. Du Pont De Nemours And Company Substrate with improved contact terminals

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012213806A1 (de) * 2012-08-03 2014-02-06 Robert Bosch Gmbh Kontaktanordnung zum elektrischen Kontaktieren einer Leiterplatte

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB783152A (en) * 1954-12-02 1957-09-18 Westinghouse Electric Int Co Improvements in or relating to electrical two-part connector devices
US2993188A (en) * 1957-12-02 1961-07-18 Ericsson Telefon Ab L M Terminal for printed circuit card
US3536821A (en) * 1968-12-16 1970-10-27 Beckman Instruments Inc Terminal construction for electrical circuit element
US3969010A (en) * 1974-05-17 1976-07-13 E. I. Du Pont De Nemours And Company Substrate with improved contact terminals

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"METHOD TO INCREASE WEARABILITY OF PRINTED CIRCUIT CARDS", IBM TECHNICAL DISCLOSURE BULLETIN, INTERNATIONAL BUSINESS MACHINES CORP. (THORNWOOD), US, vol. 37, no. 1, 1 January 1994 (1994-01-01), pages 397/398, XP000428823, ISSN: 0018-8689 *

Also Published As

Publication number Publication date
CN209822910U (zh) 2019-12-20
DE102015106482A1 (de) 2016-10-27

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