EP0585816A1 - Connecteur à fiches avec circuit imprimé soudé - Google Patents

Connecteur à fiches avec circuit imprimé soudé Download PDF

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Publication number
EP0585816A1
EP0585816A1 EP93113661A EP93113661A EP0585816A1 EP 0585816 A1 EP0585816 A1 EP 0585816A1 EP 93113661 A EP93113661 A EP 93113661A EP 93113661 A EP93113661 A EP 93113661A EP 0585816 A1 EP0585816 A1 EP 0585816A1
Authority
EP
European Patent Office
Prior art keywords
carrier
circuit board
printed circuit
connection according
connection
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
EP93113661A
Other languages
German (de)
English (en)
Other versions
EP0585816B1 (fr
Inventor
Hans Preinfalk
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.)
Atto Di Fusione itt Automative Europe GmbH
Original Assignee
SWF Auto Electric GmbH
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 SWF Auto Electric GmbH filed Critical SWF Auto Electric GmbH
Publication of EP0585816A1 publication Critical patent/EP0585816A1/fr
Application granted granted Critical
Publication of EP0585816B1 publication Critical patent/EP0585816B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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

Definitions

  • the invention relates to a connection between a carrier and a circuit board seated on the carrier.
  • a terminal block is known which is equipped with cutting connectors in which a circuit board can be inserted.
  • the cutting connectors protrude from the bottom of the terminal block through the bottom, so that the terminal block can be locked with a larger circuit board via the connector.
  • the circuit board is neither soldered to the terminal block nor does the terminal block have plugs via which it can be electrically connected in an integrated housing.
  • DE-AS 12 57 235 shows a structure similar to that in the aforementioned DE-GM 72 15 109, and here too a soldered connection between the printed circuit board and the carrier has been dispensed with. With regard to the carrier, no plug contacts are provided.
  • the invention is therefore based on a combination of the genus resulting from the preamble of claim 1.
  • the object of the invention is to provide an inexpensive and permanent connection between a carrier provided with plug contacts and a printed circuit board.
  • the invention therefore consists in arranging the printed circuit board and thus naturally the plug contacts to be soldered to it in the region of the straight front edge of the carrier.
  • the connection points to be soldered to one another lie along the front edge of the carrier in a plane not far from this front edge.
  • the main advantage is that it is possible to solder all contacts of the carrier with the associated conductor tracks on the circuit board in a single soldering process by means of an automatic soldering method, eg wave soldering. This gives you a very clean and well-adhering soldering in a single operation.
  • the front edge of the carrier should be there be as straight as possible so that it does not hinder the immersion of the circuit board in the solder surge. Accordingly, it is also necessary that the distance from the circuit board level from the front edge of the carrier is kept as small as possible.
  • slots of the printed circuit board on the edge area of the printed circuit board assigned to the connection areas include the connection areas, as a result of which a comparatively large connection area is formed between the connection areas and the plug contacts.
  • the slots can also be non-positively seated on the connecting surfaces by pushing the slots under force onto the connecting surfaces.
  • the connection between the slots and the connection surfaces before the soldering process can contribute to a mechanical locking of the printed circuit board with respect to the carrier or can also form the entire mechanical locking device until finally after the soldering process the printed circuit board is firmly connected to the connection surfaces by means of the soldered connection.
  • a particularly secure electrical connection but also a mechanical connection between the printed circuit board and the connection areas results from the features according to claim 3.
  • the edge of the slots is surrounded by a conductive solderable material into which the conductor tracks open, so that a particularly large contact area is obtained on the circuit board that can be soldered to the connection pads.
  • connection surfaces In order to be able to simply plug the printed circuit board onto the connection surfaces, the combination of features according to claim 4 is recommended in a further development of the invention. This avoids threading the connection surfaces into the slots on the printed circuit board.
  • circuit board is to be perpendicular to the surface of the carrier and at the same time to be attachable to the carrier (see claim 4), the combination of features according to claim 5 is recommended in a further development of the invention.
  • the main advantage here is that the lengthways through the surface of the carrier extending pads which can protrude downward from the plug pins can be distributed anywhere on the lower surface of the carrier.
  • the pins themselves can serve for an improved mechanical connection between the support serving as a base and the body, in which they are simultaneously inserted in an electrically connecting manner.
  • the combination of features according to claim 6 describes a particularly simple embodiment for such plug contacts.
  • the plug contact is L-shaped, the connecting lug extending parallel to the surface of the carrier forming the second leg, while the first leg forms the pin which protrudes from the lower surface of the carrier .
  • a particularly simple connection between the plug contact and the carrier results from the combination of features specified in claim 7. Then the plug contacts are after the injection molding of the carrier subsequently inserted into this insoluble or difficult to remove.
  • the injection molding process of the carrier is thus independent of the assembly by the plug contacts, which serves to increase flexibility in the use of the connection according to the invention. In addition, the injection molding process can be greatly simplified.
  • a particularly simple bracket for this is given by the measure according to claim 9.
  • the parallel displacement of the circuit board on the surface of the carrier is reliably prevented at least in one direction.
  • the carrier has connecting lugs, these can be provided with projections running parallel to the carrier, so that the printed circuit board can be clamped between these projections and the stamp and is therefore locked.
  • Protrusions and stamps can be attached to the terminal lug of the plug contacts, on the carrier itself or distributed over the components.
  • the resilient locking lug can additionally also take on the task described above in connection with projections on the connecting lugs or the stamps, so that the printed circuit board is also clamped between the stamp and the locking lug and a parallel displacement of the printed circuit board along the surface of the carrier is prevented .
  • the latch can also prevent movement of the circuit board in the plane of the circuit board, so that the latch prevents the circuit board from moving in two directions.
  • a further possibility for an improved mounting of the circuit board of the carrier results from the combination of features according to claim 12. This precludes a parallel displacement of the circuit board on the surface of the carrier. By locking projections within the area of the grooves can also be excluded after a movement of the circuit board in the circuit board level, so that thereby the task of the locking lug described above can be taken over.
  • the connecting lugs running parallel to the surface of the carrier and extending parallel to one another can have lengths according to claim 12, so that the position of the contact pins on the lower surface of the carrier can be determined as desired.
  • the contact pins should preferably be a contact knife, so that the plug contacts can be produced in a simple manner from metal sheets.
  • the terminal lugs with the edge regions of the slots are made by the same soldering process (eg wave soldering) and the connection surfaces of the components are soldered to the conductor tracks on the circuit board.
  • FIG. 1 shows in the upper half of the drawing three circuit boards 1 which are connected to one another in the multiple use and which are assigned in the lower part of FIG. 1 to the carriers 2 shown.
  • 1 also shows one of several plug contacts 3 which are each inserted into one of the carriers 2.
  • the printed circuit board 1 is provided with slots 4 to 7 which are located at the lower end of the respective printed circuit board 1 in FIGS. 1 and 2.
  • the slots 4, 5 and 7 each have soldering edges 8 to 11 on their circumference which open into the associated conductor tracks 12 on the printed circuit board 1.
  • the soldering edges 8 to 11 are produced by the same method as the conductor tracks 12 themselves, so that they are formed at the same time and can be regarded as part of the conductor tracks 12.
  • the individual printed circuit boards 1 are produced in a multi-use manner, ie only separated from one another after the individual conductor tracks have been completed and soldered to the carrier.
  • Fig. 1 shows a perspective view of the carrier 2, which are designed as molded plastic parts.
  • the carriers 2 have e.g. Four through openings, only 13, 14, are shown, into each of which a plug contact 3 shown at the top right in FIG. 1 can be inserted.
  • the plug contact 3 has a simplified configuration compared to FIG. 1 and can be seen in a side view in FIG. 4, which has a first leg 15 acting as a plug pin and a second leg 16 acting as a soldering lug.
  • the two legs 15, 16 of the plug contact 3 abut L-shaped. Since the plug contact is preferably punched out of sheet metal and provided with a conductive layer, the plug pin is a knife contact, while the connection surfaces formed by the leg 15 essentially represent a soldering lug, the knife and lug lying in the same plane. Due to the bent course of the connecting lug 16, the flag end 20 can also lie outside the plane of the leg.
  • FIG. 3 shows the plug contacts 3 inserted into the carrier 2, only the back of the respective terminal lug being visible from above. It is important that the connecting lugs, which run essentially parallel to the surface 18 of the respective carrier 2, all end approximately at a predetermined distance b from the front edge 19 of the respective carrier 2, as a result of which the individual flag ends 20 are aligned with one another.
  • FIG. 4 shows a plug contact 3 inserted in a carrier 2.
  • the circuit board 1 with the connecting lugs 16 of the plug contact 3 To be able to solder to one another, the circuit board 1, as shown in broken lines in FIG. 3 in plan view, that is to say arranged, is plugged with its slots 4 to 7 onto the back of the connecting lugs 3.
  • circuit board 1 This can be imagined, as indicated in FIG. 1, by placing the circuit board 1 on the connecting lugs 16 and perpendicular to the surface 18 of the carrier 2. In this state, this circuit board 1 sits vertically and held over the inner surface of your legs on the connecting lugs.
  • the advantage of the invention lies essentially in the fact that by tilting the connection from the carrier and the printed circuit board and by keeping the distance b between the flag end 20 and the leading edge 19, both the soldering edges 8 to 11 and the flag ends 20 can be reached by a soldering surge in a solder bath .
  • the circuit board 1 with the flag ends 20 can be soldered in a soldering process by just aligning the circuit board 1 to the soldering bath and immersing it in the soldering bath.
  • Both the electrical components 21 and the soldering points 22 on the circuit board can advantageously be soldered to the corresponding conductor tracks 12 at the same time.
  • the soldering process also simultaneously sufficiently fixes the circuit board 1 with respect to the carrier 2.
  • Fig. 5 shows the manufacture of the circuit boards 1 and their connection to the carriers 2 in multiple use. That is, first all carriers 2 are fitted with plug contacts 3 and mechanically connected to the associated printed circuit boards 1 via the plug contacts. Then the interconnected circuit boards 1 with the associated Plug contacts 3 and soldered to carriers 2 and then finally separate the individual circuit boards from one another, for example by breaking at pre-scored separation points.
  • the openings 13, 14 can be designed in such a way that they have comparatively large inner surfaces which form an extensive contact surface for the first legs 15. If the thickness of the carrier is not to be too great, a hollow cylindrical projection 23 can be cast onto the carrier 2, into which the first leg 15 forming the knife pin is inserted.
  • the 1 shows two spaced-apart projections 25, 26 on the plug contact 3, the spacing of which is slightly larger than the thickness of the printed circuit board 1.
  • the protrusions 25, 26 protruding upward from the conductor track engage on the front surface or rear surface of the printed circuit board 1 and thus prevent the printed circuit board 1 from itself can move in the longitudinal direction of the terminal lugs 16.
  • Such movement of the circuit board can be prevented, for example, by providing the carrier with a locking lug 27 which is fastened to a resilient beam 28.
  • the cantilever 28 is cast with the carrier 2. Instead of the projection 25 on the plug contact 3 in FIG.
  • a carrier projection 29 can optionally or additionally be provided, which prevents movement of the printed circuit board 1 to the front edge 19 of the carrier 2. It goes without saying that the projections 25, 26 on the plug contact 3 can be dispensed with when using the detent 27 and the carrier projection 29.
  • the locking lug preferably engages in a circuit board opening 30 in the circuit board 1. In order to obtain sufficient length for the spring bar 28 and the support projection 29 for the spring action, the bar 28 and the projection 29 sit at the bottom of a recess 31 in the support 2.
  • FIG. 3 in a top view, there is a first item 32 and a second item 33 are provided, which are perpendicular to the viewer plane in FIG. 3 and which are each provided with a groove 34, 35.
  • the grooves 34, 35 act as a guide rail for the circuit board 1 indicated by dashed lines, the movement of which in all directions except for the insertion direction coming vertically from above or the opposite lifting direction is prevented. Movement of the printed circuit board in these directions is in turn prevented by the latch 27, which engages in the printed circuit board opening 30, as already described above.
  • the carrier After assembly with plug contacts 3 and the printed circuit board 1 and their soldering, the carrier is shielded with a housing cover 36, which is latched to the carrier 2 via the latching points 37, 38 and corresponding openings in the housing cover 36.
  • the carrier 2 To assemble the carrier 2 with a carrier plate (not shown in the drawing), the carrier 2 also has latching tabs 39, 40 which engage behind the edge surfaces of corresponding recesses in the carrier plate and thus pull the detachable carrier 2 against the carrier plate (not shown). In this way, a good detachable electrical connection between the male connector 15 and the corresponding contacts on the carrier plate is achieved.
  • the invention it is also possible to apply the invention to the edge 41 opposite the front edge 19, so that a second circuit board on the carrier can be soldered to the carrier by means of a second soldering process.
  • the connecting lugs 16 can optionally be used to connect conductor tracks of two printed circuit boards 1 at the two opposite ends of the carrier 2. But it is also conceivable that each circuit board 1 has its own contact plug assigned.
  • the remaining edges of the carrier can also be used for connecting additional circuit boards.
  • a plurality of printed circuit boards can be connected to the terminal lugs 16 which extend along the surface, it being possible for a plurality of printed circuit boards with their associated slots 4 to 7 to be seated on each of the connecting lugs.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
EP93113661A 1992-08-27 1993-08-26 Connecteur à fiches avec circuit imprimé soudé Expired - Lifetime EP0585816B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4228491 1992-08-27
DE4228491 1992-08-27
DE4328426A DE4328426A1 (de) 1992-08-27 1993-08-24 Stecksockel mit angelöteter Leiterplatte
DE4328426 1993-08-24

Publications (2)

Publication Number Publication Date
EP0585816A1 true EP0585816A1 (fr) 1994-03-09
EP0585816B1 EP0585816B1 (fr) 1997-01-15

Family

ID=25917939

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93113661A Expired - Lifetime EP0585816B1 (fr) 1992-08-27 1993-08-26 Connecteur à fiches avec circuit imprimé soudé

Country Status (3)

Country Link
EP (1) EP0585816B1 (fr)
DE (2) DE4328426A1 (fr)
ES (1) ES2101181T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE342590T1 (de) * 1996-12-13 2006-11-15 Fuba Automotive Gmbh Leitungs-steckverbindung
DE19651800B4 (de) * 1996-12-13 2009-04-09 Delphi Delco Electronics Europe Gmbh Leitungs-Steckverbindung
DE29808048U1 (de) 1998-05-05 1998-08-13 Festo AG & Co, 73734 Esslingen Verbindungsvorrichtung
DE10304542A1 (de) * 2003-02-04 2004-08-12 Taller Automotive Gmbh Stanzgittermontage
DE102010044207A1 (de) * 2010-11-22 2012-05-24 Tyco Electronics Amp Gmbh Anordnung mit Träger und elektrischem Kontakt

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962692A (en) * 1957-05-02 1960-11-29 North American Aviation Inc Electric contact terminal
DE1139902B (de) * 1959-12-15 1962-11-22 Licentia Gmbh Stecker- oder Loetanschluesse fuer bedruckte Schaltungsplatinen
WO1989007849A1 (fr) * 1988-02-15 1989-08-24 Itt Industries Limited Conducteurs isoles de terminaison
US4938701A (en) * 1988-09-23 1990-07-03 Hayes Microcomputer Products, Inc. Connecting bracket for modular circuit boards
US5110298A (en) * 1990-07-26 1992-05-05 Motorola, Inc. Solderless interconnect

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946033A (en) * 1956-05-15 1960-07-19 Bell Telephone Labor Inc Polarized connector for printed circuit cards
US3200360A (en) * 1962-06-20 1965-08-10 United Carr Inc Contact-camming printed circuit board
DE1257235B (de) * 1965-02-23 1967-12-28 Buchungsmaschinenwerk Veb Baueinheit mit in mehreren Ebenen angeordneten gedruckten Leiterplatten
DE1665337A1 (de) * 1966-09-20 1971-03-18 Pilz Kg Apparatebau Isolierstoffgeraetegehaeuse fuer elektrische und elektronische Schaltelemente,Schalteinheiten u.dgl.
DE7215109U (de) * 1972-04-20 1972-07-13 Bbc Ag Vorrichtung mit steckbaren Leiterplatten
US4129351A (en) * 1974-06-20 1978-12-12 Matsushita Electric Industrial Company, Limited Connector assembly for printed circuit board
DE8717004U1 (de) * 1987-12-24 1988-02-25 Harting Elektronik Gmbh, 32339 Espelkamp Einrichtung zur Befestigung von Steckverbindern
JPH01319278A (ja) * 1988-05-17 1989-12-25 Thomas & Betts Corp <T&B> 表面実装コネクタ
US5064381A (en) * 1991-03-04 1991-11-12 Lin Yu Chuan Electric connecting device
DE9103960U1 (de) * 1991-04-02 1991-06-27 Amp Inc., Harrisburg, Pa. Leiterplattenverbinder

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962692A (en) * 1957-05-02 1960-11-29 North American Aviation Inc Electric contact terminal
DE1139902B (de) * 1959-12-15 1962-11-22 Licentia Gmbh Stecker- oder Loetanschluesse fuer bedruckte Schaltungsplatinen
WO1989007849A1 (fr) * 1988-02-15 1989-08-24 Itt Industries Limited Conducteurs isoles de terminaison
US4938701A (en) * 1988-09-23 1990-07-03 Hayes Microcomputer Products, Inc. Connecting bracket for modular circuit boards
US5110298A (en) * 1990-07-26 1992-05-05 Motorola, Inc. Solderless interconnect

Also Published As

Publication number Publication date
ES2101181T3 (es) 1997-07-01
EP0585816B1 (fr) 1997-01-15
DE59305124D1 (de) 1997-02-27
DE4328426A1 (de) 1994-03-03

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