WO2007131537A1 - Connecteur de conducteurs plats - Google Patents

Connecteur de conducteurs plats Download PDF

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Publication number
WO2007131537A1
WO2007131537A1 PCT/EP2006/005829 EP2006005829W WO2007131537A1 WO 2007131537 A1 WO2007131537 A1 WO 2007131537A1 EP 2006005829 W EP2006005829 W EP 2006005829W WO 2007131537 A1 WO2007131537 A1 WO 2007131537A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
flat conductor
resilient element
electrical
conductor
Prior art date
Application number
PCT/EP2006/005829
Other languages
English (en)
Inventor
Harald Pankau
Thomas Bernhard Pabst
Original Assignee
Fci
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 Fci filed Critical Fci
Priority to PCT/EP2006/005829 priority Critical patent/WO2007131537A1/fr
Publication of WO2007131537A1 publication Critical patent/WO2007131537A1/fr

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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
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
    • 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
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/78—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables or like structures

Definitions

  • the present invention relates to the field of connector systems, and more particularly to a connector system for permitting a connection between flat conductors.
  • Document WO 2004 / 040 712 Al describes a connector arrangement depicted in Fig. 1 between a flexible ribbon cable 1 and a printed electrical circuit 2.
  • the arrangement comprises a first connector 3, in which the flexible ribbon cable 1 is clamped, and a second connector 4 or socket of the electrical circuit 2, in which the first connector 3 may be clipped.
  • the flexible ribbon cable 1 has a stripped conductor region 6 without surrounding insulator that may be pressed by an elastic element 5 of the first connector 3 against contact strips 7 arranged in the electrical circuit 2.
  • the elastic element 5 comprises slats extending in the direction of the stripped conductors 6 that are bended in said direction such that, when the first connector 3 is in its terminal position within the second connector 4, the bended portion of the elastic element 5 can push said stripped conductors 6 of the flexible ribbon cable 1 through an opening 8 of the first connector 1.
  • the contact strips 7 of the electrical circuit 2 communicate with said opening 8 such that the flexible ribbon cable 1 is electrically connected to the printed circuit 2 upon pressure of the elastic element 5.
  • the elastic element 5 is curved or bended according to the direction of the stripped conductors towards said opening 8 as shown in Fig. 1.
  • the curvature of said elastic element 5 is obtained during manufacturing by deforming an initially flat blade, e.g. per stamping. Upon such a bending deformation, it is well known that a lower surface 9 or layer of the elastic element 5 is stretched lengthwise, and that an opposite upper surface 10 or layer is compressed lengthwise. These stretch and compression generate, in the transversal direction perpendicular to the lengthwise direction, a contraction at the lower half of the elastic element 5 and an extension at the upper half 10, which causes a secondary unwanted transversal bending of the element 5.
  • the longitudinal deformation of the elastic element 5 causes a transversal bending thereof schematically shown in Fig. 2 according to which the side ends of the elastic element 5 are deformed towards the stripped conductors 6. Therefore the elastic element 5 does not show a rectangular section at the contact zone between said elastic element 5 and said stripped conductors 6.
  • the substantially rounded lower surface 9 is contacting and thus pressing the adjacent stripped conductors 6 via the side ends thereof only.
  • the side ends of the lower surface 9 have often sharp edges which can break in and damage the flat cable 1.
  • the elastic element 5 can be made of spring stainless steel. In that case the above described unwanted bending effects are particularly strong and it is very difficult to remove them for example by supplementary stamping steps.
  • an object of the present invention to provide a connector arrangement ensuring a better electrical contact between the flat conductors of a first connector and conductors of a second connector.
  • An other object is to provide a connector arrangement that does not damage the flat cable.
  • a connector for connecting two superposed first and second electrical conductors by means of the pressure of a flexible or resilient element on said first conductor.
  • the first and second electrical conductors and the resilient element which extend essentially parallel to one another in the contact region along a longitudinal direction, are arranged such that the pressure of said resilient element is applied on a surface of the first conductor that is wider than a simple point in the transverse direction.
  • the part of the first electrical conductor that is pressed by the resilient element in turn exerts pressure on the adjacent second electrical conductor in order to ensure electrical contact between said first and second conductors.
  • said part of the first electrical conductor that presses the second electrical conductor is broad - at least broader than one or two points - such that the electrical contact between first and second conductors is ensured and well defined.
  • the pressure area of the resilient element is enlarged by providing that the second conductor is bended in the transverse direction upon pressing said first flat conductor by means of the resilient element.
  • the second conductor can be bendable in the transverse direction by pressing said first flat conductor with the resilient element, and/or it can be pre-bended during the production step of the second conductor.
  • the second connector can be accommodated such that the side ends or edges thereof are capable of being bended away from the assembly of the first conductor and the resilient element.
  • Said second conductor is placed or laid over said rib whether in or not in contact with the latter such that upon acting pressure by said resilient element the first and the second conductors can be curved or bended according to the pressure surface of the resilient element.
  • the rib provided below the second conductor has a shape that is essentially similar or at least partially similar to the shape of the pressure surface of the resilient element pressing the first conductor.
  • Said resilient element being flexed transversely with the side ends bended towards the conductors, said rib preferably has the same rounded shape that may be determined either empirically or mathematically.
  • the side ends or edges of the second conductor may be maintained constrained between two lateral retaining shoulders that cause a bending of the second conductor corresponding to that of the resilient element.
  • the side ends or edges of the surface or region of the resilient element acting pressure may be chamfered or rounded such that the pressure will be exerted on the first conductor via the wider surface of said chamfered or rounded portion of the resilient element.
  • Fig. 1 shows a connector arrangement for connecting a flexible ribbon cable to an electrical circuit according to the prior art
  • FIG. 2 shows details of a cross-sectional view of the electrical connector arrangement of Figure 1 according to arrows A-A
  • Fig. 3 is a perspective view of a connector arrangement according to the present invention for a first connector and a second connector
  • Fig. 4 is a perspective view of a connector arrangement according to the present invention in a connected state
  • Fig. 5 is an exploded perspective view of a first connector according to the present invention for a flexible ribbon cable
  • Fig. 6 is a perspective view of a first connector according to the present invention.
  • Fig. 7 is an exploded perspective view of a second connector according to the present invention for a flexible ribbon cable
  • Fig. 8 is a perspective view of the second connector for a printed electronic circuit according to the present invention.
  • Fig. 9 to 12 show different steps of a first connector mating a second connector according to the connector arrangement of the present invention
  • Fig. 13 shows a connector arrangement according to a first embodiment of the present invention
  • Fig. 14 shows a second electrical connector according to the first embodiment shown in Fig. 13
  • Fig. 15 is a sectional view of a connector arrangement according to the present invention
  • Fig. 15bis is a sectional view of an alternative connector arrangement according to the present invention.
  • Figs. 16 and 17 are sectional views of a connector arrangement according to further embodiments of the invention.
  • Fig. 18 shows a resilient element according to the embodiment of Fig. 16, and
  • Fig. 19 shows a first connector mating a second connector according to an alternate embodiment of the connector arrangement of the present invention.
  • a first embodiment of a connector arrangement 11 of the invention comprises a first electrical connector 12 to be mated with a second electrical connector 13.
  • a first flexible ribbon cable 14 is firmly fixed or clamped within the first electrical connector 12 and is adapted to be connected to a second flexible ribbon cable 15 of the second electrical connector 13.
  • Fig. 4 shows the connector arrangement 11 in a mated condition with the first electrical connector 12 formed as a plug inserted in the second electrical connector 13 being a socket or receptacle.
  • the invention is not limited to such an arrangement and comprises alternative embodiments wherein e.g. the first electrical connector 12 is formed as a socket and the second electrical connector 13 as a plug.
  • Said first flexible ribbon cable 14 and second flexible ribbon cable 15 respectively include first and second electrical conductors 23, 24 arranged in a known manner in parallel to one another between two electrically insulating cover sheets .
  • the two cover sheet insulators and the first or second electrical conductors 23, 24 therein form a flexible cable that may be reinforced by an additional reinforcing sheet arranged at least partially on one of the cover sheet insulators or on both of them.
  • the first flexible ribbon cable 14 comprises a series of perforations 29 for strain relief and positioning, see Fig. 5.
  • the second flexible ribbon cable 15 has a first series of perforations 26 in the vicinity of an extremity 28 thereof, and preferably also a second series of perforations 30 more remote from said extremity 28, see Fig. 7.
  • the first perforations 26 and second perforations 30 respectively are openings made in the cover sheet insulators between the second electrical conductors 24 for strain relief and positioning of the second flexible ribbon cable 15.
  • each of said first flexible ribbon cable 14 and second flexible ribbon cable 15 presents a region where the first respectively second electrical conductors 23, 24 are stripped by removing at least one of the two cover sheet insulators enveloping said electrical conductors 23, 24. Said region is referred to as stripped conductor portion 31.
  • An embodiment of the first electrical connector 12 illustrated in Fig. 5 comprises a first housing 16, said first flexible ribbon cable 14, and a resilient element or leaf spring type element 17.
  • the first electrical connector 12 is designed to be connected to the second electrical connector 13 through a front section 36 thereof.
  • the first housing 16 has, in a rear section 35 opposite to said front section 36, a first or rear opening 18 for inserting said first flexible ribbon cable 14, and in the front section 36 a second or front opening 19 that is preferably opposite to the rear opening 18.
  • a third or lower opening 20 is formed on said first housing 16 for allowing for the electrical conductors 23 of the first flexible ribbon cable 14 to access and electrically connect with the electrical conductors 24 of the second flexible ribbon cable 15
  • Said first housing 16 is preferably made of two separate elements that are a lower housing part 21 and an upper housing part 22.
  • the lower housing part 21 comprises a main surface or section 39 for accommodating the electrical conductors 23 of the first flexible ribbon cable 14, and two lateral surfaces or sections 44, 45 extending perpendicularly from the side ends of said main surface 39.
  • Said lower housing part 21 further comprises tongues 40, shown particularly on Figs. 5 and 9, extending from the front section 36 towards the rear section 35 thereof in parallel to said main surface 39.
  • the slot 41 between said tongues 40 and said main surface 39 of the lower housing part 21 is adapted to receive a front end or extremity 27 of the first flexible ribbon cable 14 to prevent said extremity 27 to be lifted up from the main surface 39.
  • the first flexible ribbon cable 14 can be firmly fixed to the first electrical connector 12 by means of said perforations 29 cooperating with said retaining projections 32. Upon cooperation of perforations 29 and retaining projections 32, the first flexible ribbon cable 14 can be pushed in the lower opening 20, which causes a translational movement of the extremity 27 of the cable 14 towards said lower opening 20 and said perforations 29. During this movement, the extremity 27 is maintained on the main surface 39 by the tongues 40 as can be seen in Figs. 9 to 11.
  • the lower opening 20 is located in the lower housing part 21 such that upon collaboration of said retaining projections 32 with said perforations 29, the stripped conductor portion 31 communicates with said lower opening 20 and is accessible through said lower opening 20 from the outside of the first housing 16.
  • the upper housing part 22 is adapted to be mounted on top of said lower housing part 21.
  • said upper housing part 22 comprises two hooks 37 in its front section 36 that are insertable in two corresponding openings 38 of the lower housing part 21, such that said upper housing part 22 can be turned around said two corresponding openings 38 to scale up or down the rear opening 18 through which the first flexible ribbon cable 14 is inserted in the first housing 16.
  • the upper housing part 22 With distance from said hooks 37 the upper housing part 22 comprises lateral intermediate pins 42 for making a snap fit with corresponding lateral intermediate openings 43 on the lateral surfaces 44, 45 of the lower housing part 21.
  • This snap fit defines a first or intermediate condition of the first housing part 16, which is shown in Fig. 6, not showing the first flexible ribbon cable 14.
  • the rear opening 18 In said intermediate condition the rear opening 18 is wide enough to allow the complete insertion of the flexible ribbon cable 14 in the first housing 16, wherein said complete insertion preferably means that the stripped conductor portion 31 of the flexible ribbon cable 14 faces said lower opening 20 and that the retaining projections 32 collaborate with said perforations 29.
  • the upper housing part 22 further has lateral shoulders 46 outwardly extending therefrom and adapted to snap in corresponding lateral openings or notches 47 formed on the lateral surfaces 44, 45 of the lower housing part 21 in a mounted condition of said first housing 16.
  • the lateral shoulders 46 do not collaborate with said lateral openings 47 and preferably a sloping surface 48 thereof abuts against the corresponding lateral surface 44, 45, see Fig. 6.
  • an operator or an operating machine may push the rear section 35 of the upper housing part 22 towards the lower housing part 21, such that said lateral shoulders 46 engage said lateral openings 47 in the mounted condition.
  • the element exerting pressure on the first flexible ribbon cable 14 is the resilient element 17 shown in Figs. 5 and 9, which comprises a base section 49 that is firmly fixable to the first housing 16 and at least one flexible arm 50, each flexible arm 50 being adapted to press an electrical conductor 23 of the first flexible ribbon cable 14 at least when the first electrical connector 12 and the second electrical connector 13 are mated.
  • the resilient element 17 is U-shaped and its base section 49 and flexible arm 50 are generally parallel and coupled to each other via an intermediate section 57 in form of a semi-circle.
  • the base section 49 is maintained in its position within the upper housing part 22 preferably by means of an inner surface 51 essentially parallel to said upper housing part 22 and at least one tooth 52 that has been stamped in the base section 49, deflected and being introduced in a corresponding retaining opening 53 of the upper housing part 22.
  • Each flexible arm 50 of the resilient element 17 is deflectable with respect to the -first housing 16.
  • Flexible arm 50 comprises successively a base portion 54, a curved portion 55, and an end portion 56 that extend from the base section 49 of the resilient element 17 towards the front section 36 essentially in parallel to the main surface 39 of the first housing 16 on which the electrical conductors 23 are placed or superimposed.
  • the end portion 56 of all flexible arms 50 are preferably linked or connected together in the transversal direction.
  • Said curved portion 55 is curved (or bended) towards the lower opening 20 of the first electrical connector 12 such that when the flexible arm 50 is deflected towards said lower opening 20, the curved portion 55 is able to push the stripped conductor portion 31 of the electrical conductor 23 through said lower opening 20.
  • End portion 56 is the free end of the flexible arm 50 in direction of the front section 36 and can be actuated in order to assist the deflection of the flexible arm 50 towards said lower opening 20.
  • the free end of said end portion 56 is preferably inclined or slanted towards the lower housing part 21, i.e. towards the first flexible ribbon cable 14, such that a mechanical piece translating from the front section 36 towards said flexible arm 50 may slide along said end portion 56 and thereby may cause a deflection of said end portion 56 and said flexible arm 50.
  • a first embodiment of the second electrical connector 13 according to the invention is shown on Fig. 7.
  • Said second electrical connector 13 comprises a lower housing part 60 for accommodating a second flexible ribbon cable 15 and an upper housing part 61 for mating with the first electrical connector 12.
  • Said lower housing part 60 contains retaining projections 62 that are able to engage second perforations 30 of the second flexible ribbon cable 15 for strain relief. Further positioning projections 63 are formed on the lower housing part 60 such that they can enter first perforations 26 to define the positioning of said second flexible ribbon cable 15 when the latter is inserted in said second electrical connector 13.
  • Upper housing part 61 and lower housing part 60 can be clipped or fixed together by means of snap-fit elements like grooves or notches 64 formed on one of the two housing parts 60, 61 and clips or ribs 65 formed on the other of the two housing parts 60, 61 in a similar manner as described above.
  • the upper housing part 61 comprises grooves 64 that are engageable with ribs 65 provided on the lower housing part 60.
  • a first or front opening 66 is formed on the upper housing part 61 and is adapted to receive the first electrical connector 12. Further a second or lower opening 67 of said upper housing part 61 is provided such that it communicates with the stripped conductor portion 31 of electrical conductors 24 comprised in second flexible ribbon cable 15 placed and positioned in said second electrical conductor 13.
  • Fig. 19 shows a connector arrangement wherein the second electrical connector 13" does not comprise a flexible ribbon cable 15 like in the embodiment of Fig. 7, but rather at least one rigid electrical conductor 84 for connection with the electrical conductors 23 of the first flexible ribbon cable 14.
  • the rigid conductor 84 is preferably produced by cutting and stamping from a sheet-metal. It can be made flat or alternatively stamped according to a bended shape in the transversal direction similarly to the shape of the lower surface 59 of the flexible arm 50. After the rigid conductor 84 has been stamped, it is preferably overmoulded within the second electrical connector 13".
  • a second electrical connector 13' of the invention comprises an electrical circuit board or printed circuit 68 and a housing 69 firmly fixed to said electrical circuit board 68 by known means like e.g. adhesive bonding, snap-fit, or screwing.
  • Conductors 70 are disposed on the electrical circuit board 68 and extend within the housing 69 preferably in parallel to each other in such a way that when a first electrical connector 12 and said second electrical connector 13' are mated the conductors 70 can be connected to corresponding stripped conductor portions 31 of the first flexible ribbon cable 14.
  • First electrical connector 12 and second electrical connector 13 are mateable with each other and comprise means for securing this mating.
  • Said securing means are preferably snap-fitting means in form of pairs of ridges or shoulders 71 and grooves 72.
  • the first electrical connector 12 comprises an arm 73 extending outside of the first housing 16 towards the rear section 35 in the direction opposite to insertion direction.
  • a ridge 71 is formed outwardly on said arm 73.
  • the ridge 71 comes into contact with the second electrical connector 13 to cause a deflection of the arm 73.
  • the ridge 71 makes a snap-fit by entering a groove 72 formed in the second electrical connector 13.
  • the first electrical connector 12 may comprise an additional bar or rail 74, see Figs. 6 and 10, outside of the free end of the arm 73 for preventing an operator from accidentally pressing down said arm 73 and thereafter accidentally unmating said first and second electrical connectors 12, 13.
  • the housing 69 comprises two lateral grooves 72 (or openings) adapted to receive two corresponding snap-fit elements of the counterpart first electrical connector 12.
  • all embodiments of the second electrical connector 13, 13' comprise a rail 75 adapted to cooperate with the resilient element 17 to achieve electrical connection of stripped conduction portion 31 of first flexible ribbon cable 14 with stripped conduction portion 31 of second flexible ribbon cable 14 or with conductors 70 of circuit board 68 upon mating of the connector arrangement 11.
  • the rail 75 extends inwardly of the upper housing part 61 parallel to the mating direction and to the second flexible ribbon cable 15 maintained on the lower housing part 62. Said rail 75 extends towards the front opening 66 such that during mating said rail 75 can act upon the resilient element 17 to cause a deflection of the latter.
  • the surface of the rail 75 that is designed to come into contact with the resilient element 17, which is referred to as contact surface 76, is preferably sloping with respect to the mating direction and to the axis of the rail 75. Further the inclination of said contact surface 76 preferably corresponds to the inclination of the end portion 56 of the resilient element 17, as shown in Fig. 9.
  • FIG. 9 shows the first electrical connector 12 in its mounted condition, after the housing 16 has been closed by pushing down the upper housing part 22.
  • the resilient element 17 is in its initial non-deflected position.
  • the curved portion 55 of the non-deflected resilient element 17 presses the conductors 23 downwardly or somewhat outwardly of the housing 16 through lower opening 20.
  • Said conductors 23 that are pressed in lower opening 20 preferably do not protrude or jut out from the external surface of the housing 16 surrounding said lower opening 20.
  • the non- deflected resilient element 17 does not touch or does not press the stripped conductor portion 31 of said conductors 23 in this condition or position.
  • the rail 75 of the second electrical connector 13 deflects the or all flexible arms 50 of the resilient element 17 such that the stripped conductor portion 31 of the first flexible ribbon cable 14 is pushed through the lower opening 20 and pressed against the stripped conductor portion 31 of the second flexible ribbon cable 15. Electrical connection of the first and second ribbon cables 14, 15 is thus achieved.
  • the same process is applied with the alternative embodiment of the second connector 13' using the circuit board 68 instead of the second flexible ribbon cable 15 in order to complete electrical connection of first ribbon cable 14 with circuit board 68.
  • Figs. 11 and 12 show the mated connector arrangement 11.
  • the mating is secured by the snap-fit of the ridge 71 in the groove 72.
  • the deflection of the or all flexible arms 50 is maintained by the rail 75 such that electrical contact between conductors 23, 24 is ensured as long as first electrical connector 12 mates with second electrical connector 13.
  • the curved portion 55 of the resilient element 17 shown in Figs. 10 to 12 is bent in the lengthwise direction.
  • said curved portion 55 is also bent transversally. This transversal deformation is shown in
  • Fig. 15 which is a sectional view according to arrows B-B in Fig. 12.
  • the bended part of the curved portion 55 of the resilient element 17 does not show a rectangular section at the contact zone between said bended part of said curved portion 55 and the first electrical conductor
  • the side ends 77, 78 of the lower surface 59 of said curved portion 55 are flexed downwards towards the first electrical conductors 23.
  • the lower housing part 60 of the second electrical connector 13 comprises one or more embossments or bulging or ribs 79 that raise or extend from the surface of said lower housing part 60 in a relief that preferably corresponds to the negative of the lower surface 59 of the curved portion 55.
  • the whole transversal section of the embossment 79 is parallel to said lower surface 59 of the curved portion 55.
  • the embossment 79 may be parallel to said lower surface only at its two side ends 79' and 79", see embodiment of Fig. 15bis, such that said two side ends 79' and 79" can be separated by an opening 82.
  • the shapes of the lower surface 59 and of the embossment 79 are similar at least in the region that is pressed by the side ends 77 and 78 of the lower surface 59
  • Fig. 15 shows that the curved portion 55 of the flexible arm 50 and the first electrical conductor 23 is separated by an insulating layer 82 of the first flexible ribbon cable 14. Similarly, a direct contact between the electrical conductor 24 and the embossment 79 can be avoided by providing an intermediate insulating layer 83.
  • Each embossment 79 is formed on the second electrical connector 13 in parallel to the longitudinal direction of the respective second electrical connector 24.
  • the curvature of each embossment 79 is preferably the same as that of the curved portion 55 of the corresponding flexible arm 50. It is thus ensured that the distance d (Fig. 13) between each embossment 79 and said corresponding curved portion 55 is the same along the transverse direction discussed.
  • each embossment 79 and said corresponding curved portion 55 is preferably such that the first conductor 23 and the second conductor 24, and eventually the isolating layers 82 and 83, that are comprised therebetween are pressed together uniformly along said transverse direction when the connector arrangement 11 is mated and the resilient element 17 deflected, as shown schematically in Fig. 15.
  • Fig. 13 shows a connector arrangement 11 with a first electrical connector 12 mated with a second electrical connector 13, wherein this connector arrangement 11 does not comprise said first and second electrical conductors 23, 24.
  • the lower surface 59 of the resilient element 17 presents the same bending as the curvature of embossment 79 at least in the region where said resilient element 17 is designed to press said first electrical conductor 23.
  • the minimal distance d between lower surface 59 and embossment 79 is preferably constant from one side end 77 to the other side end 78 of said lower surface 59.
  • This distance d defined in a condition when the connector arrangement 11 contains no first conductor 23 and no second conductor 24, is equal to or inferior to the sum of the thicknesses of said first electrical conductor 23 and of said second electrical conductor 24.
  • the distance d should also take account of cover sheet insulators .
  • the distance d is slightly inferior to the added thicknesses of said first and second electrical conductors 23, 24.
  • the resilient element 17 can exert a resilient force on said first connector 23.
  • the choice of the distance d depends on the resilience of said resilient element 17 and on the desired contact pressure between first and second conductors 23, 24. This contact pressure is a parameter that influences the quality of the electrical contact between first and second conductors 23, 24.
  • Each embossment 79 may be formed directly on the lower housing part 60 as shown in Figs. 13 and 15, or may be disposed on a base or pedestal 80 to lift or raise said embossments as shown in Fig. 15bis.
  • each flexible arm 50 of the resilient element 17 may be guided by two lateral walls 81.
  • Said first and second conductors 23, 24 have to be flexible at least transversally such that upon deflection and pressure of the flexible arms 50 said first and second conductors 23, 24 can adapt their shape to that of the adjacent flexible arm 50 and embossment 79.
  • Figs. 16 to 18 Alternative embodiments, which may be provided separately however are preferably provided together with the embodiments discussed before, are depicted in Figs. 16 to 18.
  • the side ends of the lower surface 59 that is designed to push stripped conductor portion 31 of first and second electrical conductors 23, 24 is chamfered to obtain side ends surfaces 77' , 78' . Due to the bending of the curved portion 55 of the flexible arm 50, the lower surface 59 that faces first electrical conductor 23 is bended as discussed.
  • the side ends surfaces 77' , 78' are formed and chamfered such that in this position those are parallel to each other and parallel the underlying lower housing part 60' of the second electrical connector 13' during mating.
  • insulating layers 82, 83 may be provided to prevent for a direct contact between the first conductor 23 and the flexible arm 50 and/or between the second conductor 24 and the lower housing part 60', see Figs. 16 and 17.
  • Fig. 17 shows an embodiment wherein the side ends of the lower surface 59 are not chamfered but rounded in order to obtain rounded side ends 77", 78".
  • the pressure of the resilient element 17 is exerted on first electrical conductors 23, 24 via the rounded side ends 77", 78".
  • the area of electrical contact between first and second electrical conductors 23, 24 is correspondingly increased with respect to the above described prior art depending on the curvature radius of said rounded side ends 77", 78": the larger the radius, the better the electrical contact.
  • the contact between the flexible arm 50 and the ribbon cable is not punctual like in the known connectors. Consequently, the contact pressure is lower well defined and there is no risk of damaging the cable through the edge of the arm 50.

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  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

L'invention porte sur un système de connecteur permettant de connecter au moins un premier conducteur plat (23) à un second conducteur plat correspondant respectif (24), le premier conducteur plat (23) étant logé de façon fixe dans un premier connecteur, le second conducteur plat (24) étant logé de façon fixe dans un second connecteur complémentaire, et un élément élastique (17) étant logé dans l'un desdits premier ou second connecteurs sollicitant lesdits premier et second conducteurs plats (23, 24) pour s'engager l'un à l'autre lorsque lesdits premier et second connecteurs sont connectés en les pressant l'un contre l'autre. Le second conducteur plat (24) est reçu dans le second connecteur complémentaire de telle sorte qu'il est pliable dans la direction transversale au niveau de ses extrémités latérales, au moins là où il est engagé par le premier conducteur plat (23) par pression dudit premier conducteur plat (23) au moyen de l'élément élastique (17).
PCT/EP2006/005829 2006-05-16 2006-05-16 Connecteur de conducteurs plats WO2007131537A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/005829 WO2007131537A1 (fr) 2006-05-16 2006-05-16 Connecteur de conducteurs plats

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/005829 WO2007131537A1 (fr) 2006-05-16 2006-05-16 Connecteur de conducteurs plats

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2093842A1 (fr) * 2008-02-19 2009-08-26 Yamaichi Electronics Deutschland GmbH Boîtier pour câble, système de connecteur, procédé et utilisation
EP2209165A1 (fr) * 2009-01-19 2010-07-21 Erea NV Assemblage pour connectivité mécanique et électrique indéréglable entre des conducteurs
EP2343780A1 (fr) * 2010-01-12 2011-07-13 SEMIKRON Elektronik GmbH & Co. KG Agencement de commutation semi-conducteur
EP2381749A1 (fr) * 2010-04-26 2011-10-26 Alrack B.V. Dispositif de formation de connexion conductrice entre un conducteur électrique et une pièce conductrice électrique d'un support et ensemble du dispositif et support
WO2020209786A1 (fr) * 2019-04-11 2020-10-15 Eazy Coating Electric Ab Agencement de fixation libérable
CN112840513A (zh) * 2019-08-20 2021-05-25 株式会社Lg化学 Fpcb连接器、包括该fpcb连接器的电池模块和电池组

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269248A1 (fr) * 1986-11-28 1988-06-01 Molex Incorporated Connecteur pour circuits plats et flexibles
US6024580A (en) * 1998-01-08 2000-02-15 International Business Machines Corporation High performance pad on pad connector for flex circuit packaging
WO2004040711A1 (fr) * 2002-10-31 2004-05-13 Fci Connecteur a serrage destine a des cables plats souples
WO2004040700A2 (fr) * 2002-10-31 2004-05-13 Fci Connecteur destine au raccordement de deux conducteurs plats et systeme connecteur associe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0269248A1 (fr) * 1986-11-28 1988-06-01 Molex Incorporated Connecteur pour circuits plats et flexibles
US6024580A (en) * 1998-01-08 2000-02-15 International Business Machines Corporation High performance pad on pad connector for flex circuit packaging
WO2004040711A1 (fr) * 2002-10-31 2004-05-13 Fci Connecteur a serrage destine a des cables plats souples
WO2004040700A2 (fr) * 2002-10-31 2004-05-13 Fci Connecteur destine au raccordement de deux conducteurs plats et systeme connecteur associe

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2093842A1 (fr) * 2008-02-19 2009-08-26 Yamaichi Electronics Deutschland GmbH Boîtier pour câble, système de connecteur, procédé et utilisation
EP2209165A1 (fr) * 2009-01-19 2010-07-21 Erea NV Assemblage pour connectivité mécanique et électrique indéréglable entre des conducteurs
EP2343780A1 (fr) * 2010-01-12 2011-07-13 SEMIKRON Elektronik GmbH & Co. KG Agencement de commutation semi-conducteur
EP2381749A1 (fr) * 2010-04-26 2011-10-26 Alrack B.V. Dispositif de formation de connexion conductrice entre un conducteur électrique et une pièce conductrice électrique d'un support et ensemble du dispositif et support
WO2020209786A1 (fr) * 2019-04-11 2020-10-15 Eazy Coating Electric Ab Agencement de fixation libérable
CN112840513A (zh) * 2019-08-20 2021-05-25 株式会社Lg化学 Fpcb连接器、包括该fpcb连接器的电池模块和电池组
JP2022513554A (ja) * 2019-08-20 2022-02-09 エルジー エナジー ソリューション リミテッド Ｆｐｃｂコネクター、それを含むバッテリーモジュール及びバッテリーパック
EP3886262A4 (fr) * 2019-08-20 2022-02-23 Lg Energy Solution, Ltd. Connecteur de carte de circuit imprimé, module de batterie le comprenant, et bloc-batterie
JP7160243B2 (ja) 2019-08-20 2022-10-25 エルジー エナジー ソリューション リミテッド Ｆｐｃｂコネクター、それを含むバッテリーモジュール及びバッテリーパック
CN112840513B (zh) * 2019-08-20 2023-03-31 株式会社Lg新能源 Fpcb连接器、包括该fpcb连接器的电池模块和电池组
US11996643B2 (en) 2019-08-20 2024-05-28 Lg Energy Solution, Ltd. FPCB connector, and battery module and battery pack including the same

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