EP1024555A1 - Connecteur avec contacts à report à plat et procédé de montage de ce connecteur - Google Patents
Connecteur avec contacts à report à plat et procédé de montage de ce connecteur Download PDFInfo
- Publication number
- EP1024555A1 EP1024555A1 EP00400152A EP00400152A EP1024555A1 EP 1024555 A1 EP1024555 A1 EP 1024555A1 EP 00400152 A EP00400152 A EP 00400152A EP 00400152 A EP00400152 A EP 00400152A EP 1024555 A1 EP1024555 A1 EP 1024555A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- printed circuit
- module
- connector
- contacts
- guide
- 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.)
- Ceased
Links
Images
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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
-
- 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
-
- 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
Definitions
- the present invention relates to a connector with contacts to flat transfer and a method of surface mounting of this connector on a printed circuit board.
- the invention relates to the field of connectors of the surface mount used for connection to a printed circuit.
- a such a connector is generally provided with two rows of carry-over contacts flat intended for surface mounting on a printed circuit. Both rows of flat transfer contacts are preferably intended to be mounted on contact pads located on either side of the circuit printed.
- the advantage of the invention lies in the fact that the two rows of flat carry contacts can be mounted easily, and generating little of rejects during assembly.
- the invention will be described in the context of mounting a connector to two rows of flat surface carry contacts on ranges of contact of a printed circuit located at the edge of this printed circuit.
- the contact pads of the printed circuit are located opposite on either side of the printed circuit.
- the assembly described will be such that the two rows of flat transfer contacts each apply on one side of the printed circuit.
- the invention is not limited to this type of use. It could also be used as part of an assembly of a connector with two rows of flat transfer contacts on pads contact of the printed circuit located on the same face of the printed circuit.
- the invention may also relate to the mounting of a connector having more than two rows of flat carry contacts coming to the contact of more than two rows of contact pads on the printed circuit.
- the two-row connectors of flat transfer contacts are surface mounted at the edge of the circuits prints.
- the printed circuit has corresponding rows of contact pads on either side of this border.
- monoblock connectors which have rows of carry-over contacts flat parallel to each other.
- the mounting of such a connector requires direct the two rows of flat carry contacts on either side of the printed circuit board. Therefore, the two rows of flat carry contacts cannot be too close to each other. Otherwise it is difficult insert the printed circuit between these two rows.
- the ideal case would be to have contact rows spaced apart from each other by a distance equal to at most to the thickness of the printed circuit.
- the invention solves this problem by proposing on the one hand correct assembly, and on the other hand easier assembly.
- the mounting is correct because the rows of flat carry contacts are perfectly brought into contact with the contact pads of the printed circuit. It thus makes it possible to solve the problems of non-coplanarity of the contacts, due to the surface mounting of a connector on either side of a circuit printed.
- the assembly is facilitated because it requires a less great rigor in mounting operations while achieving a also precise structure.
- the present invention therefore makes it possible to generate less scrap when mounting a connector with two rows of flat transfer contact on a printed circuit, in particular on both sides on both sides of this circuit.
- the invention relates to a connector provided with several rows of flat transfer contacts parallel to each other. They are intended for a surface mounting on a printed circuit.
- the connector has two rows of flat transfer contacts intended to be mounted opposite, on either side of a plane formed by a printed circuit. Each row of flat carry contacts is located on a module of this connector.
- the connector therefore consists of several modules.
- the connector is made up of two modules.
- the connector is functional after assembly of the modules that constitute it. In one example, the modules are assembled during the assembly of these modules on either side of a printed circuit.
- a guide key authorizes a unique and correct placement of the modules of this connector. The guide key is fixed on the printed circuit and can receive the modules of the connector.
- the guide key also maintains the rows of flat transfer contacts of connector modules in contact with contact pads of the printed circuit. Normally, carry-over contacts to plates are subsequently soldered to the printed circuit. With the invention we can even consider doing without this welding because the coplanarity is much better.
- the invention therefore relates to a connector provided with two rows of flat transfer contacts intended for surface mounting on a circuit printed, characterized in that it comprises two modules each carrying a row of flat transfer contacts, the two modules being complementary and dissociated to be associated during assembly on the printed circuit, and a guide key to be mounted on the printed circuit to associate and retain these two modules together against the printed circuit.
- Another object of the invention is a method of mounting a connector on a printed circuit, characterized in that it comprises four steps.
- a first step is to fix a guide key on one of the sides of a printed circuit.
- a guide of the guide key protrudes from both sides and on the other side of the plane formed by the printed circuit.
- a second step we associates a first connector module with a first side of the guide guide wrench.
- the rows of contacts to flat carryover of this module are constrained against rows of ranges of contact located on a first face of the printed circuit. This second step therefore allows the connection of a row of flat transfer contacts with a row of contact pads on one side of the printed circuit.
- third step we fix a second connector module on the same key guide.
- the second connector module is preferably fixed on a second side of the guide of the guide key.
- a row of flat transfer contacts of the second module is stress on a second face of the printed circuit opposite the first face of the printed circuit.
- the second and third stages allow assembly and connection of connector modules on a circuit printed.
- the two connector modules are fixed from on either side of the guide key, so as to come into contact with the sides on either side of the printed circuit board.
- One last step mounting this connector on a printed circuit consists in soldering contacts of the row of flat carry contacts on the ranges of the row of contact pads on the printed circuit.
- the connector of the invention has a first module 1 and a second module 2.
- Module 1 and module 2 can have different geometric shapes.
- module 1 is more larger than module 2.
- Module 1 and module 2 have a form of parallelepiped.
- Module 1 and module 2 are here intended to be mounted on either side of a printed circuit 3, by means of a guide 4.
- the guide key 4 is fixed to the printed circuit 3.
- the module 1 has on one of its faces a row 5 of flat transfer contacts.
- module 2 has on one of its faces a row 6 of contacts to carry over flat.
- Modules 1 and 2 each carry, for example on one side opposite that carrying rows 5 and 6 respectively, pins 7.
- Each flat transfer contact of a module is electrically connected in this module to a spike.
- the guide key 4 comprises a beam 8, a first guide 9 and a second guide 10.
- the beam 8 is fixed to one of the faces of the printed circuit 3.
- the guides 9 and 10 are fixed to the beam 8, and or to the printed circuit 3.
- Guides 9 and 10 rise perpendicular to the beam 8 and parallel to the printed circuit.
- the printed circuit 3 has rows of contact pads such as 11 and 12. The rows of pads contacts are parallel to the beam 8.
- the contact area 11 is placed on a first side of the printed circuit 3.
- the contact area 11 is generally at the edge of the printed circuit 3.
- a range of contacts 12 can be placed on a second side of the printed circuit.
- the beach of contacts 12 can be placed opposite the contact pad 11.
- the pad of contacts 12 is then also placed at the edge of the printed circuit 3.
- the beam 8 is placed behind the edge of the circuit printed 3. It is above all placed above an area of the printed circuit 3 having no contact pads to connect.
- Guide 9 is fixed in border of the printed circuit 3, at one end of the rows of ranges of contact 11 and 12.
- the guide 10 is placed on the edge of the printed circuit 3, preferably at another end of the rows of contact pads 11 and 12.
- the guide 9 has a mortise 13, which comes into contact with a tenon 14 formed by an edge of the printed circuit 3.
- Guide 9 is also held on printed circuit 3 by a screw which crosses a hole 15 of the guide 9 and the printed circuit 3 to the location of the tenon 14.
- the guide 10 also has a mortise 16 which comes into contact with a second stud 17 of the printed circuit 3.
- the guide 10 is also fixed to the printed circuit 3 by another screw which passes through a hole 18 of the guide 10 and the printed circuit 3.
- the beam 8 is fixed to guides 9 and 10 by welding.
- the key formed by the guides and the beam is monobloc. It is machined from aluminum. She could also be obtained by molding and injection of a plastic material or of a resin.
- the beam 8 is fixed to the printed circuit.
- Modules 1 and 2 are held there in translation by two flanges 37, one on each side of the key 4 for guiding and foolproof.
- Figure 1 shows a flange 37 on one side. The flanges are fixed to key 4 by screws passing through holes 15 and 18.
- the slide 19 is provided with an elastic lock 20.
- the slide 19 is oriented perpendicular to the plane formed by the circuit printed 3.
- the slide 19 has a width equal for example to a thickness of module 1.
- the thickness of module 1 is measured along a face 21 of the module 1 perpendicular to the faces respectively carrying row 5 and the pins 7.
- the face 21 may have a plane inclined 22.
- the inclined plane 22 is slid along the slide 19, during the mounting of module 1 on the printed circuit 3.
- the inclined plane 22 ends by an edge perpendicular to the direction of sliding.
- the edge of the inclined plane 22 adapts in a recess of the latch 20 and thus makes it possible to freeze the position of the module 1 relative to the guide 9, and also relative to the printed circuit 3.
- the shapes of the slide 1, elastic latch 20 and inclined plane 22 allow the introduction of the module 1 on the guide 9 along only one side of the guide 9. This achieves a keying function.
- the slide 23 has two elastic latches oriented opposite to each other.
- a first lock elastic 24 is oriented in the same way as the elastic lock 20 of the slide 19. It allows to receive the module 1.
- the second elastic lock 25 of the slide 23 is oriented opposite the elastic lock 24. It allows to receive the module 2.
- the slide 23 then has two directions of introduction.
- the module 1 is introduced on the slide 23 in the same direction only on the slide 19. So the module 1 is slid on the slide 23, in the elastic lock 24.
- the module 1 has another plane inclined 26 and another edge at its other end. This other inclined plane 26 allows to adapt the module 1 on the slide 23 of the guide 10.
- the inclined plane 26 is housed in the elastic lock 24.
- the module 1 is fixed in a position on the printed circuit 3 thanks to its two locks on the slides 19 and 23.
- Module 2 has an inclined plane 27 at its base which adapts to the elastic lock 25 of the slide 23.
- the module 2 is then introduced on the slide 23 by a side opposite to that used by the module 1.
- module 2 has a height less than that of the module 1. It does not come into contact with guide 19.
- Module 2 is fixed to the circuit printed, at one end, by the slide 23 only. Its position is by elsewhere provided by a slide 28 located on the module 1.
- the module 2 has for this purpose a rail at its other end.
- Rail 29 is opposite of the inclined plane 27.
- the rail 29 and the slide 28 have a shape parallelepiped.
- the rail 29 is housed in the slide 28 of the module 1. The position of the module 2 is thus fixed relative to the printed circuit 3 by the slide 23 and relative to module 1 thanks to slide 28.
- Rail 29 can have an elastic lock 30 which fits into a lock elastic of the slide 28.
- the rail 29 of the module 2 can also have a dovetail shape or type.
- the shape of the slide 28 is adapted to receive the rail 29.
- the modules 1 and 2 here have shapes complementary, module 1 having an L shape and module 2 being adapted to be housed in the hollow of this L-shape.
- Module 1 has two faces perpendicular to the circuit plane printed 3.
- a first face 31 carries the row 5 of carry-over contacts to dish.
- a second face 32 of module 1 carries pins 7.
- the contacts of the row 5 of flat transfer contacts are inserted in module 1 perpendicular to the plane formed by the surface 31.
- Row 5 of flat transfer contacts consists of a example of a row of bifid tabs.
- a contact range 11 of printed circuit 3 is formed by metallization.
- the contact tabs in row 5 have a curved shape. These tabs of contact are parallel to each other.
- the tabs in row 5 of contacts are intended to be pressed on the metallizations 11 of the circuit printed 3.
- the ends of the tabs are at the time of mounting in the plane formed by the printed circuit 3. Before mounting the module 1, the contact tabs in row 5 are arched so that their ends lie beyond a plane orthogonal to the surface 31, and parallel to the plane occupied by the surface of the printed circuit 3.
- module 2 has two faces 33 and 34, parallel between them, and perpendicular to the plane formed by the printed circuit 3 after mounting.
- a first face 33 comprises the row 6 of carry-over contacts dish.
- a second face 34 of the module 2 has pins 7.
- the contacts of row 6 of flat transfer contacts are inserted perpendicularly to the plane formed by the surface 33.
- Module 1 also has one or more reservations 35 designed to receive coaxial plugs or sockets.
- Guide 10 has to one end remote from the printed circuit 3 another reservation 36 serving guide means for example for receiving and guiding a part protruding from a connector.
- the invention provides for the mounting of the module 2 on the slide 23 by a opposite side to that used for module 1. So row 6 of contacts to flat transfer is arched opposite to the arch of row 5.
- the invention allows the correct mounting of two rows of flat transfer contacts carried by a connector.
- the key to guide 4 supports the rows of contacts 5 and 6 of the modules 1 and 2 respectively, on metallizations located on either side of the printed circuit 3.
- the coplanarity of the contacts is ensured by the fact that rows 5 and 6 are arched before assembly, and are constrained on metallizations 11 and 12 at the time of assembly. Pressure contacts thus carried out are always correct.
- the prestressing is preferably more greater than the thickness of the printed circuit 3, which improves the tolerance towards co-flatness screw.
- the invention can also make it possible to connect several rows of flat transfer contacts, each located on a module, and intended to be connected on the same side of a printed circuit.
- the connector can include several modules. It can for example include three modules. In this case two of the modules have rows of contacts which press on the same side of the printed circuit. The tongues of contacts of the rows corresponding to each of the modules come rely on rows of different contact pads on the circuit printed, for example parallel to each other. A third guide system may then be necessary to fix the third module.
- the guides can be assigned to a single module, or shared by several modules as shown in figure 1.
- the method of mounting this type of connector composed of several modules each supporting a row of flat transfer contacts coming into contact with contact pads of a printed circuit is facilitated.
- the mounting process includes the following steps.
- the guide key 4 is fixed correctly on the printed circuit 3. Insert module 1 in key 4, then module 2 in key 4 and in the module 1.
- the two insertions can also be simultaneous.
- the constraint may not be the only means of contact. The contact can then be guaranteed in a final step by soldering the flat transfer contacts on the beaches.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
- on fixe une clé de guidage sur l'une des faces du circuit imprimé,
- on glisse un premier module du connecteur par un premier coté d'un guide de la clé de guidage,
- on contraint une rangée de contacts à report à plat du premier module sur un premier côté du circuit imprimé,
- on glisse un deuxième module du connecteur par un deuxième côté du guide de la clé de guidage, ce deuxième côté étant opposé au premier côté,
- on contraint une rangée de contacts à report à plat du deuxième module sur un deuxième côté du circuit imprimé adjacent au premier côté,
- on soude des rangées de contacts à report à plat en surface sur des plages de contact du circuit imprimé.
Claims (12)
- Connecteur muni de deux rangées de contacts (5, 6) à report à plat destinés à un montage en surface sur un circuit imprimé (3), caractérisé en ce qu'il comporte deux modules (1, 2) portant chacun une rangée de contacts à report à plat, les deux modules étant complémentaires et dissociés pour être associés lors d'un montage sur le circuit imprimé, et une clé de guidage (4) à monter sur le circuit imprimé pour associer et retenir ces deux modules ensemble contre le circuit imprimé.
- Connecteur selon la revendication 1, caractérisé en ce que la clé de guidage est fixée sur le circuit imprimé et comporte deux entrées pour recevoir de part et d'autre respectivement l'un et l'autre de ces deux modules.
- Connecteur selon l'une des revendications 1 à 2, caractérisé en ce que la clé de guidage comporte des moyens de rétention (20,24,25) pour maintenir les deux modules en association l'un avec l'autre.
- Connecteur selon l'une des revendications 1 à 3, caractérisé en ce que les deux modules ont des formes complémentaires.
- Connecteur selon la revendication 4, caractérisé en ce que le premier module comporte une glissière (28) et le deuxième module comporte un rail (29) et en ce que la glissière du premier module et le rail du deuxième ont une forme parallélépipédique, par exemple en queue d'aronde.
- Connecteur selon l'une des revendications 1 à 5, caractérisé en ce que la clé de guidage comporte un guide (10) recevant les deux modules du connecteur, une direction de réception des deux modules dans ce guide étant orthogonale au plan du circuit imprimé sur lequel le connecteur doit être monté.
- Connecteur selon l'une des revendications 1 à 6, caractérisé en ce que les contacts des deux rangées de contact à report à plat sont précontraints et courbés au-delà d'un plan de montage sur un circuit imprimé, avant un montage des modules sur ce circuit imprimé.
- Connecteur selon l'une des revendications 1 à 7, caractérisé en ce que les deux modules sont maintenus dans la clé de guidage par deux flasques (37).
- Procédé de montage d'un connecteur sur un circuit imprimé caractérisé en ce qu'il comporte les étapes suivantes :on fixe une clé de guidage sur l'une des faces du circuit imprimé,on glisse un premier module du connecteur par un premier coté d'un guide de la clé de guidage,on contraint une rangée de contacts à report à plat du premier module sur un premier côté du circuit imprimé,on glisse un deuxième module du connecteur par un deuxième côté du guide de la clé de guidage, ce deuxième côté étant opposé au premier côté,on contraint une rangée de contacts à report à plat du deuxième module sur un deuxième côté du circuit imprimé adjacent au premier côté,on soude des rangées de contacts à report à plat en surface sur des plages de contact (11,12) du circuit imprimé.
- Procédé selon la revendication 9, caractérisé en ce queon guide un rail du deuxième module dans une glissière du premier module.
- Procédé selon l'une des revendications 9 à 10, caractérisé en ce queon engage le premier module et ou le deuxième module sur la clé de guidage avec un verrou élastique.
- Procédé selon l'une des revendications 9 à 11, caractérisé en ce queon engage le deuxième module sur le premier module avec un verrou élastique (30).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9900969A FR2789233B1 (fr) | 1999-01-28 | 1999-01-28 | Connecteur avec contacts a report a plat et procede de montage de ce connecteur |
FR9900969 | 1999-01-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1024555A1 true EP1024555A1 (fr) | 2000-08-02 |
Family
ID=9541333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00400152A Ceased EP1024555A1 (fr) | 1999-01-28 | 2000-01-20 | Connecteur avec contacts à report à plat et procédé de montage de ce connecteur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1024555A1 (fr) |
CA (1) | CA2297264A1 (fr) |
FR (1) | FR2789233B1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5013263A (en) * | 1985-11-22 | 1991-05-07 | William Gordon | Modular electrical connector structure |
US5176523A (en) * | 1991-08-09 | 1993-01-05 | Foxconn International, Inc. | Stackable memory card connector |
DE4413001A1 (de) * | 1993-04-20 | 1994-10-27 | Hartmann Fritz Geraetebau | Elektrische Verbindungsvorrichtung |
-
1999
- 1999-01-28 FR FR9900969A patent/FR2789233B1/fr not_active Expired - Fee Related
-
2000
- 2000-01-20 EP EP00400152A patent/EP1024555A1/fr not_active Ceased
- 2000-01-24 CA CA002297264A patent/CA2297264A1/fr not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5013263A (en) * | 1985-11-22 | 1991-05-07 | William Gordon | Modular electrical connector structure |
US5176523A (en) * | 1991-08-09 | 1993-01-05 | Foxconn International, Inc. | Stackable memory card connector |
DE4413001A1 (de) * | 1993-04-20 | 1994-10-27 | Hartmann Fritz Geraetebau | Elektrische Verbindungsvorrichtung |
Also Published As
Publication number | Publication date |
---|---|
CA2297264A1 (fr) | 2000-07-28 |
FR2789233B1 (fr) | 2001-04-13 |
FR2789233A1 (fr) | 2000-08-04 |
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