EP1983616B1 - Bus connector for a ribbon cable and corresponding method for its connection - Google Patents

Description

In practice, the manageability of a bus connector when attached to a ribbon cable may be insufficient. In particular, the selective coupling or uncoupling of the bus connector to individual conductors that are housed as a bandage in the common insulation sheath of the ribbon cable, too cumbersome and therefore be laborious. In general terms, it may therefore be difficult to make signal input and signal output points with sufficient ease and efficiency with the aid of a bus connector selectively for the conductors of a ribbon cable.

The EP 1 403 972 A2 describes a connector for a ribbon cable, in which contacted in a single operation, several wires of a ribbon cable using insulation displacement and individual wires of the ribbon cable can be severed.

The US 5,049,088 describes a connector for electrically connecting two mutually perpendicular ribbon cables.

The US 6,080,006 describes an electrical connector with a cover part and a bottom part. The connector is used to electrically contact a plurality of individual conductors.

• Busstecker mit einem Obergehäuse und einem Untergehäuse zum Anbringen an ein Flachbandkabel, wobei das Obergehäuse und das Untergehäuse derart ausgebildet und mit Hilfe eines Montagewerkzeugs ineinander verpressbar sind, dass in einem Arbeitsdurchgang eine Kontaktierung der Leiter des Flachbandkabels mit einer Vielzahl von Schneidklemmen im Untergehäuse und zugleich eine selektive Durchtrennung mindestens eines Leiters des Flachbandkabels bewirkt sind.

The invention has for its object to provide a bus connector with which the preparation of Signaleinkoppelsowie signal output points for the individual head of a Ribbon cable is selectively enabled in a simple and efficient manner. This object is achieved by the following inventive bus connector:

• Bus connector having an upper housing and a lower housing for attachment to a ribbon cable, wherein the upper housing and the lower housing are formed and with the aid of a mounting tool are pressed together that in a working passage contacting the conductor of the ribbon cable with a plurality of insulation displacement terminals in the lower housing and at the same time selective separation of at least one conductor of the ribbon cable are effected.

This makes it possible in a simpler, easier-to-assemble and more flexible way Signaleinkoppel- and signal output points selectively for the individual conductors of the ribbon cable to the information output of the bus connector, in particular to contact sockets of a female connector or to pins of a pin header of the bus connector produce. Since only a single operation of the mounting tool for contacting the conductor with the insulation displacement terminals and for selectively cutting a specific conductor is performed, the installation of the bus connector is facilitated to the ribbon cable. For one and the same installation tool is sufficient. For example, a cumbersome detachment of the hand of a conductor to be cut from the insulation jacket or the insulation sheath of the ribbon cable in a separate operation using a special Abisolationszange and a separate cutting this detached conductor with a special cutting tool is no longer necessary. Advantageously, in contrast, the bus connector according to the invention allows a kind of "automated" attachment, preferably clamping and contacting the bus connector to the head of the respective ribbon cable including the selective separation of at least one conductor, in particular with a single assembly tool.

The invention also relates to a method for attaching a bus connector to a ribbon cable by the upper housing and the lower housing are pressed together by means of a mounting tool such that in a working passage contacting the conductor of the ribbon cable with a plurality of insulation displacement terminals in the lower housing and at the same time a selective Separation of at least one conductor of the ribbon cable can be effected.

Other developments of the invention are given in the dependent claims.

The invention and its developments are explained in more detail with reference to drawings.

Figur 1

schematisch sowie vergrößert in perspektivischer Darstellung ein Ausführungsbeispiel eines Bussteckers in einem Vormontagezustand, der nach dem erfindungsgemäßen Konstruktionsprinzip aufgebaut ist und an ein Flachbandkabel nach dem erfindungsgemäßen Montageprinzip angeklemmt wird,

Figur 2

in schematischer Querschnittsdarstellung den Busstecker von Figur 1 vor dem Einpressen dessen Obergehäuses, das das anzuschließende Flachbandkabel aufnimmt, in dessen Untergehäuse,

Figuren 3, 4

jeweils anhand einer schematischen Querschnittsdarstellung des Bussteckers von Figur 1 den Montageschritt des Einpressens des Obergehäuses in das Untergehäuse mit Hilfe eines Montagewerkzeugs, um die Leiter des Flachbandkabels mit Schneidklemmen auf einer Leiterplatte im Untergehäuse in Kontakt zu bringen,

Figur 5

schematisch im Querschnitt in einer Schnittebene mit einer ersten Gruppe von Schneidklemmen betrachtet den Busstecker von Figur 1 nach dem Einpressen dessen Obergehäuses in dessen Untergehäuse in einer Presssitzendstellung,

Figur 6

anhand einer schematischen Querschnittsdarstellung des Bussteckers als weiteren Montageschritt die selektive Durchtrennung eines ausgewählten Leiters des Flachbandkabels mit Hilfe desselben Montagewerkzeugs, mit dem das Einpressen des Obergehäuses in das Untergehäuse zur Herstellung der Kontakte zwischen den Leitern des Flachbandkabels und den Schneidklemmen vorgenommen worden ist, durch Fortführung derselben Einpressbewegung dieses Montagewerkzeugs,

Figur 7

in schematischer sowie vergrößerter Darstellung als Einzelheit des Bussteckers der Figuren 1 mit 6 eine Leiterplatte im Untergehäuse des Bussteckers, auf der zwei Gruppen von Schneidklemmen angebracht sind,

Figur 8

schematisch in einer Frontalansicht (in Richtung der axialen Längserstreckung des in das Obergehäuse eingelegten Flachbandkabels betrachtet) das Obergehäuse des Bussteckers von Figur 1 im aufgeklappten Zustand,

Figur 9

in schematischer Frontalansicht den Busstecker von Figur 8 nach dem Einlegen des Flachbandkabels zwischen Deckelteil und Bodenteil des Obergehäuses und Schließen des Deckelteils,

Figuren 10 bis 12

jeweils schematisch in Draufsicht von oben betrachtet den Busstecker von Figur 1 bei der Durchführung verschiedener Montageschritte, um die Leiter des Flachbandkabels mit den zugeordneten Schneidklemmen im Untergehäuse zu kontaktieren und im selben Arbeitsdurchgang auch noch mindestens einen ausgewählten Leiter zu durchtrennen,

Figuren 13 bis 16

anhand einer schematischen Querschnittsdarstellung des Bussteckers verschiedene Montageschritte, um die Leiter des Flachbandkabels mit den zugeordneten Schneidklemmen im Untergehäuse zu kontaktieren und im selben Arbeitsdurchgang einen ausgewählten Leiter des Flachbandkabels mit Hilfe eines Bolzenelements des Untergehäuses selektiv zu durchtrennen,

Figur 17

eine schematische Querschnittsdarstellung des Deckelteils des Obergehäuses des Bussteckers.

Show it:

FIG. 1

schematically and enlarged perspective view of an embodiment of a bus connector in a pre-assembly, which is constructed according to the inventive design principle and is clamped to a ribbon cable according to the mounting principle of the invention,

FIG. 2

in a schematic cross-sectional representation of the bus connector of FIG. 1 before pressing the upper housing, which receives the ribbon cable to be connected, in the lower housing,

FIGS. 3, 4

each with reference to a schematic cross-sectional view of the bus connector of FIG. 1 the mounting step of pressing the upper case into the lower case by means of a mounting tool to bring the conductors of the flat cable into contact with insulation displacement terminals on a printed circuit board in the lower case,

FIG. 5

schematically in cross section in a sectional plane with a first group of insulation displacement terminals considered the bus connector from FIG. 1 after pressing the upper housing in its lower housing in a press-fit end position,

FIG. 6

by means of a schematic cross-sectional representation of the bus connector as a further assembly step, the selective severing of a selected conductor of the ribbon cable using the same assembly tool, with the pressing of the upper housing has been made in the lower housing for making the contacts between the conductors of the ribbon cable and the insulation displacement terminals, by continuing the same Press-in movement of this assembly tool,

FIG. 7

in a schematic and enlarged view as a detail of the bus connector of FIGS. 1 with 6 a printed circuit board in the lower housing of the bus connector, on which two groups of insulation displacement terminals are mounted,

FIG. 8

schematically in a front view (viewed in the direction of the axial longitudinal extent of the inserted into the upper case ribbon cable), the upper housing of the bus connector of FIG. 1 in the unfolded state,

FIG. 9

in a schematic front view of the bus connector of FIG. 8 after inserting the Ribbon cable between cover part and bottom part of the upper housing and closing the cover part,

FIGS. 10 to 12

each schematically in plan view from above the bus connector of FIG. 1 when performing various assembly steps to contact the conductors of the ribbon cable with the associated insulation displacement terminals in the lower housing and in the same pass also cut through at least one selected conductor,

FIGS. 13 to 16

Referring to a schematic cross-sectional view of the bus connector different mounting steps to contact the head of the ribbon cable with the associated insulation displacement terminals in the lower housing and selectively cut through a selected conductor of the ribbon cable using a bolt element of the lower housing in the same work,

FIG. 17

a schematic cross-sectional view of the cover part of the upper housing of the bus connector.

Elements with the same function and mode of action are in the FIGS. 1 to 17 each provided with the same reference numerals.

FIG. 1 shows schematically and enlarged in perspective view as main components of an exemplary bus connector, which functions according to the inventive design principle, an upper housing 4 and a lower housing 5 before their assembly in a pre-assembly state. The lower housing 5 is approximately box-shaped, in particular cuboid and open at its top. In the upper side of the lower housing 5, the upper housing 4 is pressed or pressed into a pre-assembly in such a way that it can be pressed by a predefinable Einpresstiefe or Einpressweglänge 30 in the interior of the lower housing 5 on the floor to a press-fit end position. To this end, the upper housing 4 roughly has an approximately flat parallelepiped shape and is configured with respect to its outer contour to match the inner contour of the lower housing such that it is inserted or mounted in the upper part of the lower housing 5, ie detachable from its outer side walls in the preassembly position is held. The FIG. 2 shows schematically in cross section the bus connector of FIG. 1 in this pre-assembly state. In this way, a single component is provided for a fitter, which can facilitate handling. This pre-assembly may in particular have already been carried out at the factory. Of course, however, the upper housing 4 can be completely removed from the lower housing 5 for mounting purposes, so that it is present as a separate component. It can be inserted into the lower housing again after inserting a ribbon cable 1 to be connected and hold in the pre-assembly position.

For the upper housing 4 and the lower housing 5, a plastic material is expediently selected, which allows production in particular in injection molding or extrusion technology. The upper housing 4 has for receiving the ribbon cable 1, a cover part 41 and a bottom part 42. These are formed on at least one hinge element, in particular via a so-called film hinge, transversely, preferably orthogonal to the axial longitudinal extent of the inserted ribbon cable 1 to fix it foldable. Here in the exemplary embodiment, a film hinge 43 is provided in the middle region of two superimposed longitudinal edges of the cover part 41 and the bottom part 42. The FIG. 8 shows the bus connector 10 in a front view in a pre-assembly state in which the lid part 41 by means of the film hinge 43 against the bottom part 42 of the upper housing 4 is unfolded, ie open to the connected ribbon cable 1 between the cover part 41 and the bottom part 42 of the upper housing. 4 to be able to insert.

The ribbon cable 1 has a plurality of conductors 11 to 16 in a common position plane parallel to each other in substantially equidistant intervals from each other, which are enclosed in a common insulation jacket 2. In this case, the insulation jacket 2 sits on the conductors 11 to 16 in such a way that its cylindrical outer contour on the top and bottom of the ribbon cable still emerges. In other words, the flat ribbon cable 1 has single insulated conductors 11 to 16, which are connected by insulating material intermediate webs along their axial longitudinal extent. In this way, the ribbon cable 1 on its upper side and its underside on an outer contour with longitudinal tracks, ie transverse to its axial longitudinal extent a corrugated surface structure.

For the conductors of the ribbon cable 1 is preferably a conductive material, in particular a conductive metal such. Copper or the like, chosen. The insulation jacket 2 is made of an electrically insulating material, in particular a plastic material.

For adjusting and guiding this structured ribbon cable 1, the inner contact surfaces of the cover part 41 and the bottom part 42, in particular in the region of their adjacent broad sides, provided with an inverse relief profile in the form of longitudinal grooves or longitudinal tracks 411, 421. The plurality of longitudinal grooves 411 in the inner contact surface of the cover part 41 and the plurality of longitudinal grooves 421 in the inner contact surface of the bottom part 42 thus each form an inner profile which substantially corresponds to the outer profile of the ribbon cable 1 on its top and bottom.

When here in the embodiment in one piece preassembled bus connector this is suitably placed with unfolded cover part 41 on the connected or to be coupled flat ribbon cable 1 so that the ribbon cable 1 comes to rest in the guideways 421 in the bottom part 42. Thereafter, the lid part 41 is closed and clipped on the bottom part 42. For this purpose, the cover part 41 with the bottom part 42 preferably via one or more locking elements can be latched. Here in the embodiment, one or more latching hooks 441, 442 mounted on both sides of the support plane of the inserted into the bottom part 42 ribbon cable 1, which hook into associated locking grooves in the cover part 41 in the closed state of the upper housing 4. These locking grooves or undercuts are in the front view of the bus connector 10 of FIG. 8 not visible. If the lid part 41 is clipped, that is Ribbon cable 1 clamped between the lid part 41 and the bottom part 42, that is fixed, so the undesirable changes in position are largely avoided. The FIG. 9 shows in a schematic front view of the bus connector 10 after this assembly step, ie after inserting and clamping the ribbon cable 1 in the upper housing. 4

Preferably, in the middle region of the bottom part 42, an opening or opening to the lower housing 5 is provided. The ribbon cable 1 is only in the inner profiles 411, 421 of the edges of the broad sides of the cover part 41 and bottom part 42 and is freely accessible in the space between the two broad sides of the upper housing 4 from the lower housing 5 ago.

In the interior of the box-like sub-housing 5, an approximately rectangular printed circuit board 9 is mounted substantially parallel to the plane of the flat cable 1, are mounted on the insulation displacement terminals 81 to 86. The insulation displacement terminals 81 to 86 are in this case substantially perpendicular or orthogonal upwards in the direction of the upper housing from the plane surface of the printed circuit board 9 which is essentially planar. Each conductor 11 with 16 of the ribbon cable 1 is assigned a specific cutting terminal 81 with 86 individually. The FIG. 7 shows in schematic and enlarged view as a detail of the circuit board 9 together with the cutting terminals mounted on her 81 to 86. On the circuit board 9 are two groups of insulation displacement terminals 82, 84, 86 and 81, 83, 85 axially (relative to the axial longitudinal extent of Head of the ribbon cable 1) offset from each other. Within the respective group, the cutting clamps such as 81, 83, 85 are offset laterally in substantially equidistant transverse distances. The second Group of insulation displacement terminals 82, 84, 86 is laterally offset relative to the first group of insulation displacement terminals 81, 83, 85 such that viewed transversely to the longitudinal extent of the ribbon cable 1 alternately a cutting clamp such as 81 of the first group and then a cutting clamp such as 82 of second group are assigned to the successive conductors in the lateral direction 11 with 16 corresponding to their order of arrangement in the ribbon cable. Here in the embodiment, the cutting terminals 81, 83, 85 of the first group are set to gap to the positions of the cutting terminals 82, 84, 86 of the second group. Viewed transversely to the axial longitudinal extent of the ribbon cable 1, two laterally adjacent insulation displacement terminals, such as 81, 82 or 82, 83, essentially have a transverse distance from one another which corresponds to the lateral offset of each two adjacent conductors such as 11, 12 or 12, 13.

Generally speaking, one conductor each, e.g. 11 of the ribbon cable 1 each have at least one insulation displacement terminal, e.g. 81 associated with the cutting of the insulating sheath of this conductor. Of course, this is also possible by other arrangements or positioning of insulation displacement terminals as shown here in the embodiment.

The respective insulation displacement terminal preferably has a two-pronged fork shape. The distance between the two prongs of each fork-shaped cutting clamp preferably corresponds to the outside diameter of a bare conductor, ie it is expediently chosen smaller than the outside diameter of a conductor with externally seated insulation. If a conductor is pressed into the gap between the two cutting prongs of a cutting clamp, then they cut laterally into the insulation shell and contact at the Einhinstellen the bare ladder. At the same time, they clamp the inserted conductor firmly. About the effected contact a signal from the respective conductor in the associated, it clamped insulation displacement terminal coupled or vice versa, a signal from the insulation displacement terminal are coupled into the held in her head. For the respective insulation displacement terminal, a preferably electrically conductive material is selected. In particular, the insulation displacement terminals are made of an electrically conductive metal, in particular copper or the like.

The insulation displacement terminals 81 to 86 are connected via electrical connection lines or conductor tracks 72, 720 on and / or in the printed circuit board 9 with the contact sockets of a female connector 7. The female connector 7 is mounted on the opposite side of the insulation displacement mounting side of the circuit board 9. The contact sockets plug with their contact pins 801 in the form of a substantially rectilinear series in predetermined transverse distances from each other in the circuit board 9. The female connector 7 is used to connect an adapter plug. The contact sockets can be used to selectively feed and / or decouple signals from the various insulation displacement terminals.

Alternatively, instead of the female connector also a pin header with pins or other information output to the insulation displacement terminals be electrically coupled.

To start now from the pre-assembly of FIG. 2 To clamp the conductors 11 to 16 in the selectively associated insulation displacement terminals 81 to 86 and thereby effect electrical contacting by lateral scoring of the insulation 2, the upper housing 4 in the lower housing 5 by means of a mounting tool 100 to the Einpressweglänge or displacement path length 30 further pressed or pressed into it until it comes to rest in a Presssitzendstellung in the lower housing. The direction of insertion (see arrows in FIG. 3 ) of the upper housing 4 in the lower housing 5 extends substantially orthogonal to the positional plane of the ribbon cable 1. The pressing of the upper housing in the lower housing is in the FIGS. 3 and 4 illustrated. In the press seat end position, the upper housing 4 and the lower housing 5 are additionally locked in an advantageous manner by means of one or more locking elements in the region of their contacting longitudinal walls. Such a lock can be formed, for example, by a guide rail 31 or 32, which runs perpendicular to the plane-surface mounting surface of the printed circuit board 9 on the respective longitudinal inner wall of the lower housing, and a corresponding latching element 21 or 22 sliding along it during pressing in on the respective longitudinal outer wall of the upper housing 4 be. In the press seat end position, the respective latching element 21 or 22 engages with its hook-shaped end section in a corresponding latching groove at the lower end of the respective associated guide rail 31 or 32. This additional locking mechanism between the pressed-upper housing 4 and the lower housing 5 is in the FIG. 5 Visible, which shows a schematic cross-sectional view of the bus connector 10 in its Presssitzendstellung in a sectional plane in the region of the second group of insulation displacement terminals 82, 84, 86.

Furthermore, it may be expedient that the upper housing with the lower housing in addition to the press fit by means of one or more locking elements, which are arranged in the region of the axially and laterally extending edges of upper housing and lower housing, position secure or fixable, in particular latched. For locking are preferably support ribs provided in the upper wall zones of the lower housing 5 and associated latching hooks or snap elements on the upper housing 4, which engage behind the support ribs and interlock with these. In the FIG. 1 Such support ribs are provided on the respective edge of the broad sides and the longitudinal sides of the lower housing 5 and designated 911. In it engage at its upper edge corresponding latching hooks 901, 902, 903, 904 of the upper housing 4 and thus cause an additional locking between the upper housing 4 and the lower housing 5 in the Presssitzendstellung.

The assembly tool 100 is preferably designed as assembly pliers with two mutually movable pliers jaws 101, 102. The jaws 101, 102 press when pressing the assembly pliers from above and below on the upper housing 4 and the lower housing 5 and press them into each other. This is in the FIG. 3 indicated by arrows. Thus, an assembly movement of the lower housing 5 and the upper housing 4 substantially perpendicular to the positional plane of the ribbon cable 1 by means of the above and below the outside externally applied jaws 101, 102 executed. In this case, the upper housing 4, starting from its pre-assembly (see FIG. 2 or FIG. 3 ) are pressed to the Einpressweglänge 30 in the interior of the lower case 5, where the conductors 11 to 16 of the ribbon cable 1 come to lie in their specific associated insulation displacement terminals 81 to 86 contacting.

In a first embodiment, at least one insulation displacement terminal, such as here 82, for example, a through hole 6 associated with passing through the upper housing 4, the circuit board 9 and the lower housing 5. The in-bus connector 10 inside positioned ribbon cable 1 is thus freely accessible through the through hole 6 from above and below. In this through hole 6 engages on both sides from above and below, respectively, a bolt element 103, 104 on the respective pliers jaw 101, 102, when the pliers jaws 101, 102 are pressed from above and below onto the upper side of the upper housing 4 and onto the underside of the lower housing 5. The respective bolt element 103, 104 projects substantially perpendicularly with respect to the planar-surface inner pressure surface or contact surface of the respective forceps jaw 101 or 102. The respective pin element may be formed in particular as a mandrel or punch. The overall length of the protruding projections of the two bolt elements is preferably chosen such that the conductor which lies below the through-hole 6 above the printed circuit board 9 in its respectively assigned cutting terminal can be selectively severed by continuing the compressing movement of the pliers jaws. It corresponds approximately to the total thickness of the two pressed-together housing 4, 5 in the Presssitzendstellung. Since with the assembly tool 100, the upper housing 4 and the lower housing 5 can be pressed into each other, that the conductors 11 to 16 of the ribbon cable 1 with the insulation displacement terminals 81 to 86 in the lower housing 5 at defined contact points in contact, and at the same time in particular by a bolt element or ., a mandrel such as 103 or 104 on at least one jaw such as 101 or 102 of the assembly tool by continuation of the compression movement of the jaws at least one conductor as here 15, for example, selectively severed at a predetermined target Durchstelle 625, is the assembly of the bus connector facilitated to the ribbon cable. Because only a single pass is made with the same pressing direction. A settling of the assembly tool 100 is not required.

As an alternative to the exemplary embodiment, it is also possible to design and arrange the upper housing, the insulation displacement contacts and the lower housing of the bus connector in such a way that first one or more specific conductors of the ribbon cable are selectively severed with the assembly tool and only then or subsequently the insulation displacement terminals in the same operation be brought into contact with the associated conductors of the ribbon cable, ie to reach the effect with the ladders.

For the severing process, at least one bolt element expediently has a cutting edge at its front end. Here in the embodiment, a cutting blade 105 is provided at the tip of the bolt member 104.

Generally speaking, the through-hole 6 is provided at the point in the upper housing 4, the lower housing 5 and in the circuit board 9, which corresponds to a desired target Durchtrennungsstelle for a particular conductor. Here, in the exemplary embodiment, a desired Durchbrennungsstelle 625 for the conductor 15 in the space between the two groups of insulation displacement terminals 81, 83, 85 and 82, 84, 86 is provided. The conductor 15 is in the FIG. 7 drawn in dash-dotted lines.

The selective severing or cutting through of the conductor 15 in the overall assembly of the ribbon cable 1 is in the cross-sectional image of FIG. 6 illustrates that shows the bus connector 10 in a sectional plane transverse to the axial longitudinal extent of the plurality of conductors 11 to 16 of the flat ribbon label 1 in the region of the through hole.

In a modification of the through the upper housing 4, the circuit board 9 and the lower housing 5 passing through hole 6, it may also be sufficient to provide only in the upper housing 4 has a through hole 61 to the layer plane of the clamped in the upper housing 4 ribbon cable 1. In a corresponding manner, if necessary, only two through-holes 62, 63 in the lower housing 5 and in the printed circuit board 9 may suffice, through which a conductor of the ribbon cable to be cut can be gripped and severed with a bolt element of the assembly tool protruding into the through-holes.

In general terms, at least one insulation displacement terminal is thus advantageously assigned a through hole in the upper housing and / or in the lower housing in such a way to the ribbon cable of the bus connector that at the same time at least one bolt element of the assembly tool into the through hole for selectively pushing the upper housing into the lower housing by means of the assembly tool Cutting a lying in this cutting terminal coming conductor at a desired Durchtrennungsstelle before or after this cutting terminal can be introduced. In other words, therefore, the upper and the lower housing is preferably formed and interlockable by means of a mounting tool that causes a contacting the conductor of the ribbon cable with a plurality of insulation displacement terminals in the lower housing and at the same time selective separation of at least one conductor of the ribbon cable are.

In a second embodiment, in the FIGS. 13 to 17 is shown, the assembly tool 100 is preferably as an assembly tool with two mutually movable jaws 101, 102 formed. The jaws 101, 102 press when pressing the assembly pliers from above and below on the upper housing 4 and the lower housing 5 and press them into each other. Thus, an assembly movement of the lower housing 5 and the upper housing 4 substantially perpendicular to the positional plane of the ribbon cable 1 by means of the above and below the outside externally applied jaws 101, 102 executed. In this case, the upper housing 4, starting from its pre-assembly position ( FIG. 15 ) are pressed to the Einpressweglänge 30 in the interior of the lower case 5, where the conductors 11 to 16 of the ribbon cable 1 come to lie in their specific associated insulation displacement terminals 81 to 86 contacting.

In this second embodiment, at least one insulation displacement terminal, here for example 82, has a bore 600 which runs through the bottom part 42 of the upper housing 4 and through the printed circuit board 9. In the cover part 41 of the upper housing 4, a die 611 is provided on the side facing the bottom part 42. In the lower housing 5, at least one bolt element 504 is present, which extends substantially perpendicular to the printed circuit board 9 through the bore 600 of the printed circuit board 9 and the bottom part 42 of the upper housing 4. The bolt element 504 may be formed in particular as a mandrel or punch and have a cutting edge at the front end. The length of the bolt element 504 is preferably selected such that the bolt element 504 in the pre-assembly position (FIG. FIGS. 13, 14 . 15 ) ends below the positional plane of the ribbon cable 1 and so allows insertion of the ribbon cable 1 in the guideways 421 of the bottom part 42. In the press seat final position ( FIG. 16 ) projects the bolt member 504 into the die of the cover part 41 of the upper housing 4. When the upper housing 4 and the lower housing 5 are pressed into each other with the assembly tool 100, the conductors 11 to 16 of the ribbon cable 1 come into contact with the insulation displacement terminals 81 to 86 in the lower housing 5 at defined contact points, while at the same time the bolt element 504 selectively cuts through at least one conductor, here for example 15, at at least one predetermined nominal cut-through location 625 ( FIG. 16 ). A piece of conductor 15 which has been cut out during compression of upper housing 4 and lower housing 5 remains between bolt element 504 and closed upper housing 4.

In a further development of the second embodiment, the die 611 in the cover part 41 of the upper housing 4 is designed as a through-bore 601. This is in FIG. 17 shown. In the pre-assembly with inserted ribbon cable 1 and closed lid part 41 is thus at least one of the conductors, for example 15, accessible from the outside through the bore 601 of the cover part 41. A piece of the conductor 15 cut out during compression of the upper housing 4 and lower housing 5 can be removed from the outside through the through-hole 601 after being pressed together, or can fall out of the bus connector 10 after compression by itself through the through-hole 601.

In all the embodiments described, it may be expedient to provide a cutting clamp for the conductor to be cut selectively on both sides of the desired cut-through location. This makes it possible to connect or disconnect signals independently of one another in the two cut-away conductor ends of the respectively severed conductor. In the embodiment of FIG. 7 is on both sides of the target Durchschneidungstelle 625 of the severed conductor 15 each have a cutting terminal 82, 820 arranged on the circuit board 9 for contacting the conductor ends. The two Insulation displacement terminals 82, 820 are connected via dash-dotted electrical connection lines 72, 720 with separate female pins or female pins of the female connector 7.

Furthermore, it may be expedient to provide the edges of the broad sides of the lower housing in the support region for the ribbon cable 1 in a partial section with guide grooves for adjustment. In these guide grooves, the conductors 11 to 16 of the ribbon cable 1 come to rest when the upper housing 4 has been pushed into its press-fit end position in the lower housing 5. These guide grooves in an area of the upper edge of the broad sides of the lower case 5 are in the FIGS. 8, 9 visible in the front view of the bus connector 10 and denoted by 521.

Furthermore, it may be expedient to provide a closure element 3 in the upper housing 4, which is rotatable in an open position for releasing the through-bore 61 or 601, as well as in a closed position for covering the through-bore 61 or 601. As in FIG. 2 illustrated, the closure element 3 is formed by a circular, rotatable lid member which is inserted into a corresponding recess or recess of the cover part 41 form fit, in particular clipped.

The FIGS. 10 to 12 show again cursorily, as with the bus connector 10 of in FIGS. 1 with 9 shown first embodiment in a single pass the contacts of the inserted ribbon cable 1 to the individually associated insulation displacement terminals 81 to 86, 820 and at the same time a selective line separation of at least one conductor - as here conductor 15 - performed from the bandage of the ribbon cable 1 can be. First, the ribbon cable 1 is inserted between the cover part 41 and the bottom part 42 of the upper housing 4 and fixed there. The closure element 3 in the upper housing is brought into an open position to release the through hole 6. This through hole or passage opening 6 is located above or below the inside of the bus connector arranged conductor 15. This is here in the embodiment of FIGS. 10 to 12 the second conductor viewed from the right. With the aid of the assembly tool 100, a pressing force is applied to the upper housing 4 and the lower housing 5 perpendicular to the plane of the flat-ribbon cable 1 and thereby pressed both into one another. The assembly tool 100 engages with the help of the two pin members 103, 104 from above and below in the through hole 6. If the upper housing 4 has been pressed into the lower housing 5 in its press-fitted end position and the bolt elements 103, 104 projecting into the through-hole 6 are moved further toward one another, the conductor 15 is finally severed. The FIG. 11 shows the severing point 625 for the conductor 15 as viewed through the through-hole 6. Finally, the closure element 3 is brought into its closed position to cover the through hole 6 from the outside.

The FIGS. 13 to 16 show in summary how with the bus connector 10 in the illustrated second embodiment in a single pass the contacts of the inserted ribbon cable 1 to the individually assigned insulation displacement terminals, and at the same time a selective line separation of at least one conductor - as here conductor 15 - performed from the bandage of the ribbon cable 1 can be. First, the ribbon cable 1 between the lid part 41 and the bottom part 42 of the upper housing 4 is inserted ( FIGS. 13, 14 ) and fixed there by closing the lid part 41 ( FIG. 15 ). With the aid of the assembly tool 100, a pressing force is applied to the upper housing 4 and the lower housing 5 perpendicular to the plane of the flat cable 1. As a result, both are pressed together. During the compression of upper housing 4 and lower housing 5, the bolt element 504 pierces or cuts through the conductor 15 of the flat cable 1 and thus cuts it at the desired severing point 625 (FIG. FIG. 16 ).

In a further modification to the exemplary embodiments explained above, the bottom housing 42 may optionally be omitted from the top housing 4. Then, the ribbon cable 1 is preferably inserted into the adjustment profile 521 at the upper edge of the two broad sides of the lower housing 5. It is clamped there with the help of the cover part 41 of the upper housing 4. The locking mechanism used in this case preferably corresponds to the locking mechanism between the cover part 41 and bottom part 42 and / or the fixing mechanism between the upper housing 4 and the lower housing 5 of FIGS. 1 with 9.

LIST OF REFERENCE NUMBERS

1

Ribbon cable

10

Bus connector

100

assembly tool

101, 102

Pincer jaws of the assembly tool

103, 104

Bolt elements of the assembly tool

105

Cut on a bolt element

11 with 16

Head of the ribbon cable

2

Insulation jacket of the ribbon cable

3

Closing element for through-hole in the upper housing

30

Einpressweglänge by which the upper housing is pressed into the lower housing in a Preßsitzend in

4

upper housing

41

Cover part of the upper housing

42

Bottom part of the upper housing

43

Hinge element between cover part and bottom part of the upper housing

411, 421

Inner profile in the cover part, in the bottom part of the upper housing

441, 442

Locking elements between the bottom part and the cover part of the upper housing

5

lower case

504

Bolt element of the lower housing

521

Adjustment profile in the wall edge of the lower housing on its broadside

6

Through hole through upper case, lower case and their PCB

61, 62, 63

various portions of the through hole. 6

600

Bore in upper housing and PCB of the lower housing

601

Through hole in the cover part of the upper housing

602

Through hole in printed circuit board

611

Die in the cover part of the upper housing

625

Cutting through a conductor of the ribbon cable

7

receptacle

72, 720

electrical connection lines on and / or in the printed circuit board of the lower housing between the insulation displacement terminals and sockets of the female connector

81 to 86

Disconnect terminals on the PCB of the sub-housing

801

Pins from sockets on the female connector on the side of the PCB facing away from the female connector

820

second insulation displacement terminal on the printed circuit board of the lower housing, which faces in the region of the SollDurchtrennungsstelle a conductor of the ribbon cable whose first insulation displacement terminal

9

Printed circuit board in the lower housing

901 with 904

Locking grooves on the upper housing

911

corresponding support ribs on the lower housing

Claims (15)

1. Bus connector (10) comprising an upper housing (4) and a lower housing (5) for attachment to a flat ribbon cable (1), wherein the upper housing (4) and the lower housing (5) are formed and can be pressed one inside the other with the aid of a fitting tool (100) in such a way that, in one working step, the conductors (11 to 16) of the flat ribbon cable (1) are brought into contact with a multiplicity of insulation displacement connecting devices (81 to 86) in the lower housing (5) and at the same time selective severing of at least one conductor (15) of the flat ribbon cable (1) is effected, characterized in that the upper housing (4) has a cover part (41) and a base part (42), which are formed so as to be capable of being folded together via at least one hinge element (43), in particular a film hinge, transversely to the axial longitudinal extent of the flat ribbon cable (1) for fixing said flat ribbon cable.
2. Bus connector according to Claim 1, characterized in that the cover part (41) and/or the base part (42) of the upper housing (4) has/have, in its/their respective contact face, longitudinal grooves (411, 421) for adjusting and guiding the conductors (11 to 16), sheathed by insulation (2), of the flat ribbon cable (1).
3. Bus connector according to either of Claims 1 and 2, characterized in that, in order to fix the respectively inserted flat ribbon cable (1), the cover part (41) can be latched to the base part (42) via one or more locking elements (441, 442).
4. Bus connector according to one of the preceding claims, characterized in that the insulation displacement connecting devices (81 to 86) are arranged on a printed circuit board (9) in two groups which are axially offset with respect to one another in such a way that in each case at least one insulation displacement connecting device is assigned to in each case one conductor (11 to 16) of the flat ribbon cable (1) for opening up its insulation (2).
5. Bus connector according to one of the preceding claims, characterized in that a through-bore (6) in the upper housing (4) and/or lower housing (5) is assigned to at least one insulation displacement connecting device (82) continuously with respect to the flat ribbon cable (1) in such a way that, when the upper housing (4) is pressed into the lower housing (5) with the aid of the fitting tool (100), at the same time at least one bolt element (103, 104) of the fitting tool (100) can be introduced into this through-bore (6) for selectively severing a conductor (15) coming to lie in this insulation displacement connecting device (82) at a desired severing point (625) in front of or after this insulation displacement connecting device (82).
6. Bus connector according to Claims 4 and 5, characterized in that the through-bore (6) also passes through the printed circuit board (9).
7. Bus connector according to either of Claims 1 and 4, characterized in that a bolt element (504) of the lower housing (5) is assigned to at least one insulation displacement connecting device (82), in that the bolt element (504) is arranged in a bore (600), which passes continuously with respect to the flat ribbon cable (1), in the printed circuit board (9) and the base part (42) of the upper housing (4), in that the cover part (41) of the upper housing (4) has a die (611), in that when the upper housing (4) is pressed into the lower housing (5), at the same time the bolt element (504) can be introduced through the bore (600) into the die (611) for selective severing of a conductor (15) arranged in the insulation displacement connecting device (82) at a desired severing point (625) in front of or after this insulation displacement connecting device (82).
8. Bus connector according to Claim 7, characterized in that the bore (600) passes continuously through the cover part (41) of the upper housing (4), with the result that a section of the conductor (15) which has been severed at the desired severing point (625) can be removed through the bore (601) in the cover part (41) of the upper housing (4).
9. Bus connector according to either of Claims 4 and 8, characterized in that in each case one insulation displacement connecting device (82, 820) is arranged on the printed circuit board (9) for separately making contact with the conductive ends thereof on both sides of the desired severing point (625) of the respective conductor (15) to be severed.
10. Bus connector according to either of Claims 5 and 9, characterized in that a closure element (3) is provided in the upper housing (4), said closure element being rotatable into an opening position for releasing the through-bore (6) and into a closing position for covering the through-bore (6).
11. Bus connector according to one of the preceding claims, characterized in that the insulation displacement connecting devices (82, 820) are connected via electrical connecting lines (72, 720) to an information output, in particular to contact female connectors of a female connector strip (7) or contact pins of a male connector strip, which is fitted on that placement side of the printed circuit board (9) which is opposite the insulation displacement connecting devices.
12. Bus connector according to one of the preceding claims, characterized in that the upper housing (4) can be latched to the lower housing (5) with the aid of one or more locking elements (901, 902, 903, 904, 911), which are arranged in the region of the axially extending longitudinal rims of the upper housing and the lower housing.
13. Method for attaching a bus connector (10) to a flat ribbon cable (1), which is designed in particular according to one of the preceding claims by virtue of an upper housing (4) and a lower housing (5) being pressed one inside the other with the aid of a fitting tool (100) in such a way that, in one working step, the conductors (11 to 16) of the flat ribbon cable (1) are brought into contact with a multiplicity of insulation displacement connecting devices (81 to 86) in the lower housing (5) and at the same time selective severing of at least one conductor (15) of the flat ribbon cable (1) is effected, characterized in that the flat ribbon cable (1) is inserted between a cover part (41) and a base part (42) of the upper housing (4) prior to the upper housing (4) and the lower housing (5) being pressed, said cover part and base part being connected to one another via a hinge element (43).
14. Method according to Claim 13, characterized in that, when the upper housing (4) and the lower housing (5) are pressed one inside the other with the aid of the fitting tool (100), in addition at least one bolt element (104) of the fitting tool (100) is inserted into a through-bore (6) in the upper housing (4), and/or lower housing (5), which is continuous with respect to the respectively inserted flat ribbon cable (1), in such a way that, in one working step, contact is made between the insulation displacement connecting devices (81 to 86) and the conductors (11 to 16) of the flat ribbon cable and at the same time selective severing of at least one conductor (15) at a desired severing point (625) is implemented.
15. Method according to Claim 13, characterized in that, when the upper housing (4) and the lower housing (5) are pressed one inside the other, at least one bolt element (504) of the lower housing (5) enters a die (611) in a cover part (41) of the upper housing (4) through a bore (600) in a base part (42) of the upper housing (4) in such a way that, in one working step, contact is made between the insulation displacement connecting devices (81 to 86) and the conductors (11 to 16) of the flat ribbon cable and at the same time selective severing of at least one conductor (15) at a desired severing point (625) is implemented.

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