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EP2031704A2 - Dispositif de fabrication une connexion d'un câble plat sans sa dénudation - Google Patents

Dispositif de fabrication une connexion d'un câble plat sans sa dénudation Download PDF

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Publication number
EP2031704A2
EP2031704A2 EP20080015559 EP08015559A EP2031704A2 EP 2031704 A2 EP2031704 A2 EP 2031704A2 EP 20080015559 EP20080015559 EP 20080015559 EP 08015559 A EP08015559 A EP 08015559A EP 2031704 A2 EP2031704 A2 EP 2031704A2
Authority
EP
European Patent Office
Prior art keywords
cutting edge
contact
flat cable
pressure plate
tapping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20080015559
Other languages
German (de)
English (en)
Other versions
EP2031704B1 (fr
EP2031704A3 (fr
Inventor
Roman Bolliger
Andreas Dreier
Christian Gossmann
William Vogel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Woertz AG
Original Assignee
Woertz AG
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 Woertz AG filed Critical Woertz AG
Publication of EP2031704A2 publication Critical patent/EP2031704A2/fr
Publication of EP2031704A3 publication Critical patent/EP2031704A3/fr
Application granted granted Critical
Publication of EP2031704B1 publication Critical patent/EP2031704B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R12/594—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures for shielded flat cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2412—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by insulated cams or wedges
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933—Comprising exclusively pivoting lever
    • H01R13/62938—Pivoting lever comprising own camming means
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933—Comprising exclusively pivoting lever
    • H01R13/62955—Pivoting lever comprising supplementary/additional locking means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/01—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting unstripped conductors to contact members having insulation cutting edges
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members

Definitions

  • the present invention relates generally to terminal devices, and more particularly to an apparatus for stripping-free manufacture of a connector to a flat cable having at least one shielded data line having one or more wires.
  • connection devices with which a continuous flat cable without tearing of the wires and without removal of wire and cable insulation can be tapped, have been known for over 30 years.
  • An early publication in this respect from the applicant's home is, for example, the German patent application DE-AS 2 206 187 , This publication was only about the tapping of power lines, so lines with unshielded wires. Tapped screws were used as tapping contacts.
  • the connection was made by the connecting device with its housing - initially without the contact screws - placed on the cable and then the cable was also enclosed on the back of a housing plate. Finally, the tapping was done by the guided in the housing with internal threads contact screws were screwed into the flat cable. They penetrated with their tip first the outer insulation of the flat cable, then the respective core insulation, and finally penetrated with the tip in the head of each vein. This contacted the vein in question.
  • the tapping takes place as in the above-mentioned DE-AS 2 206 187 by screwing in contact screws. So that the contact screws do not produce short circuits between the contacted wire conductors and the shield, they are equipped with a layer of insulating material on the shaft.
  • the contact elements have the basic shape of rotational bodies.
  • the resulting contact tips are flat and have a constant thickness, namely the sheet thickness.
  • Such flat contact elements serve - as far as visible - only the tapping of unshielded cables.
  • the object of the present invention (technical problem) is to provide a connection device of the type mentioned in the introduction which can be installed easily and safely.
  • the invention relates to a device for stripping-free production of a connection to a flat cable, which has at least one shielded data line with one or more wires.
  • the device has at least one tap contact for the stripping-free penetration of shielding and insulation and for making contact with a wire.
  • the tap contact is designed to be electrically conductive at its free end, and is equipped at its flank region with an insulation in order to avoid a short circuit between the wire to be contacted and the shield.
  • the tap contact is arranged on a pressure plate, that the preparation of the connection by applying force to the pressure plate to the flat cable out and a concomitant penetration of the tap contact is made in the flat cable.
  • the tap contact has a cutting edge which extends in the longitudinal direction of the flat cable or slightly inclined thereto. The tapping widened, viewed in cross-section perpendicular to the cutting edge.
  • Another aspect of the invention relates to a device for stripping-free production of a connection to a flat cable, which has at least one shielded data line with one or more wires.
  • the device has at least one tap contact for the stripping-free penetration of shielding and insulation and for making contact with a wire.
  • the tapping contact is at its free end is electrically conductive, and is equipped at its flank area with insulation to avoid a short circuit between the wire to be contacted and the shield.
  • the tap contact is arranged on a pressure plate, that the preparation of the connection by applying force to the pressure plate to the flat cable out and a concomitant penetration of the tap contact is made in the flat cable.
  • the pressure plate is mounted on one side in a joint, so that the impressions of the at least one tap contact is effected by a pivoting movement of the pressure plate to the flat cable out.
  • the tap contact is slidably disposed on the pressure plate to prevent relative movement between the tap contact and flat cable in the cable longitudinal direction when penetrating into the flat cable.
  • Fig. 1 illustrates a connection device in the open state in a perspective view.
  • the tapping contact at its free end on a cutting edge, which is parallel to the flat cable or slightly inclined to this.
  • the shield - which is usually at least partially made of an elastic material, such as a metallized plastic film -
  • the tap contact penetrates, it is stressed (ie in the normal voltage direction). The corresponding would apply, if one thought, the acute-angled sheet metal contact the EP 0 726 623 A1 in the flank area and to use for the contacting of shielded data wires.
  • the cutting edge lies in an imaginary plane, which is spanned by the wire to be contacted and the direction of penetration. This means that in embodiments with a slightly inclined cutting edge, the cutting edge and the wire to be contacted do not run approximately skewed, but lie together in one plane.
  • the "slightly inclined" course of the cutting edge is therefore here understood to mean the angle of inclination of the cutting edge relative to the cable longitudinal direction which is less than or equal to 30 °, preferably less than or equal to 20 °, and particularly preferably less than or equal to 10 °.
  • the cutting edge is in the form of a single line piece.
  • the cutting edge may be composed of a plurality of differently inclined straight line sections. It is possible, for example, a cutting mold in the manner of a "V", which may be either on the top or rotated by 180 °. It is also possible to string several "V's" together to create a total serrated shape.
  • the above angle specifications refer to the individual straight sections of the cutting edge; In fact, in the examples given, it is very flat "V".
  • In some embodiments includes - as will be explained in more detail below - on the cutting edge on one or both sides of a more inclined insulating cutting edge.
  • the cutting edge is not straight or piecewise straight, but has a curved shape, for example, the shape of a circular section or ellipse section or a portion of another basket arch shape (ie, a shape whose radius of curvature increases from the edges toward the center).
  • the cutting edge continues continuously into the more curved cutting edge; Both together then have, for example, the shape of a semicircle, a semi-ellipse or another basket arch shape.
  • the cutting edge is not or only slightly inclined to the cable longitudinal direction.
  • one also wants to draw the boundary to the more inclined cutting edge there is thus a not or slightly inclined cutting edge, which in its function corresponds to the above in connection with straight, not or little inclined cutting. Because of the parallelism or only slight inclination of this curved central region, namely, even with such curved tapping contacts, the shear effect described above occurs.
  • a “relatively large radius of curvature” in this sense is, for example, when the radius of curvature of a tapping contact in the center is greater than or equal to half the extension of the tapping contact in the longitudinal direction (note: for a semicircular arc, the radius of curvature is uniformly equal to half the length of the tapping contact for example, in the case of an elliptical half arc with the major axis of the ellipse in the longitudinal direction, the radius of curvature in the middle, for example, is greater than half the extent of the longitudinal contact point of the tapping contact).
  • a tip (eg the tip of the contact element 32 of FIG Fig. 14 of the DE 201 11 496 U1 ) is punctiform in the region of its extremum, and thus has no extension in the longitudinal direction, in the case of an imaginary ideal tip. In practice, a peak will be more or less rounded, but in order for it to still act as a peak, its radius of curvature will generally be far below the above values.
  • this length is preferably greater than or equal to half the diameter of the conductor of the strand to be contacted, and particularly preferably greater than or equal to this diameter.
  • the length of the cutting edge will usually not exceed 5 to 20 times the diameter of the conductor.
  • the isolated flank area widens in the transverse plane.
  • this broadening thus continues into the insulated flank region, for example at least up to the height of the shield (the latter based on the contacted state of the connecting device).
  • the widening formation of the tap contact is not limited to just the electrically conductive contact area, but extends also into the isolated shaft area.
  • the insulation is in each case only in the cylindrical region of the tapping contacts; it does not expand (one exception is only the one mentioned at the beginning) WO 2004/042872 A1 , which, however, is based on another principle of operation, namely the aforementioned drill effect).
  • the electrically conductive contact area is not broadened in the transverse plane (ev. Apart from a sharpening of the blade); Here, the isolated flank area alone ensures this broadening.
  • a stepless transition in some embodiments with a widening contact element between the electrically conductive free end (also called “contact end”) and the insulation, a stepless transition, so that the contact end and the insulation in terms of shaping form a unitary body.
  • the broadening already begins in the electrically conductive contact region, thus following the cutting of the cable and wire insulation and the shield immediately spreading the cable in a continuous process, the -.
  • the shield On the depth of the cable to be tapped in the the shield is located, starting from the metallically conductive contact end and continuing from the insulated edge.
  • the not or only slightly inclined cutting edge includes a more inclined insulating cutting flank (in the case of two-sided connection: two insulating cutting flanks).
  • the change in inclination between the cutting edge and the cutting edge occurs abruptly, ie in the manner of a bend (although this bend may or may not be at the point of transition from conductive to insulating material).
  • the change in inclination between the cutting edge and the cutting edge is continuous, i. without kink.
  • the entire blade (or the entire portion of the blade that enters the conductor of the wire to be contacted) is electrically conductive; only the flank is insulating .. But this is not absolutely necessary; In other embodiments, therefore, only part of the cutting edge (or only part of the part of the cutting edge penetrating into the conductor of the wire to be contacted) is designed to be electrically conductive, but the other part thereof is designed to be insulating.
  • the cutting edge is eg partly made of insulating material, and eg only central portion of the cutting edge is made of conductive material.
  • a curved cutting edge can be made of one piece of insulating plastic material into which an electrically conductive metal pin is inserted, which forms part of the cutting surface at the point penetrating the deepest in the flat cable.
  • the tapping contact also in the longitudinal plane, ie the imaginary plane, which is spanned by the cutting edge and the penetration direction, a widening shape.
  • the insulation forms at its boundary in the longitudinal plane at least one cutting edge.
  • an insulating cutting edge For example, at the two ends of the elongated tap contact in the longitudinal plane in each case an insulating cutting edge.
  • these insulating cutting edges are inclined to the cable longitudinal direction more than the cutting edge (eg, more than 30 °), due to the Schiffchenform in conjunction with this cut extension to a spreading of the shield, so that despite the greater inclination of the insulating cutting edges Shield not pulled inward, but pushed aside.
  • the pressure plate as in the aforementioned WO 2005/057729 A1 , hinged on one side, so that the impressions of the tap contacts in the flat cable to be contacted by a pivoting movement of the pressure plate to the flat cable out.
  • the definitions made concerning the angle course of the cutting edge now relate to the angular position of the cutting edge in the fully contacted state of the tapping contact.
  • the definitions made about the angle of the cutting edge refer to the angular position that the cutting edge has when it penetrates the shielding.
  • articulated pressure plate occurs during the pivoting movement for pressing the tap contacts on the proximal to the joint lying insulating cutting edge relative to the cable an additional component of movement in the direction of the joint (this depends on the position of the joint - said movement component occurs, for example when the hinge is above the contact end of the tapping contact).
  • the "proximal cutting edge" is the cutting edge facing the joint.
  • additional movement component is the following: When pressing a widening in the contact end to the shank tapping contact - only with a translational movement, ie without pivotal movement - would result at an obliquely outwardly extending cutting edge during the Eindgurrison a transverse to the Eindschreibraum directed movement component, solely due to the inclination of the cutting edge. On the other hand, assuming a suitable arrangement of the joint, a movement of movement would take place in the direction of the joint during a pivoting movement, even if the cutting edge does not run at an angle, solely because of the pivoting movement.
  • this additional motion component adds to that from the resulting skew of the cutting edge, while at the distal cutting edge thereof it is to be subtracted.
  • the proximal cutting edge has a smaller inclination in the longitudinal plane relative to the indentation direction of the tapping contact as the cutting edge distal to the articulation. This difference in inclination thus serves to compensate the said additional movement component. In some embodiments, this difference in inclination may even go so far that the proximal cutting edge is not inclined.
  • the inventor has recognized another (other) measure of how to avoid pulling in the shield when contacting data lines without requiring screwing in of the contact elements. This further measure is based on the recognition that in connection devices with articulated pressure plate, the above-mentioned additional movement component in the cable longitudinal direction for pulling the shield may be responsible, and solves this problem so that even the additional movement component by a displaceable arrangement of the bleeder contact to let occur.
  • the tap contact would therefore lead to immobile mounting on the pressure plate to a movement component of the tap contact in cable longitudinal direction.
  • the direction of this component of motion is such that the tapping contact would be displaced towards the hinge as it enters the flat cable.
  • the tap contact is arranged displaceably on the pressure plate in some embodiments.
  • the direction of displacement is such that the tap contact in the Penetration in the flat cable is moved relative to the pressure plate away from the joint. In order to achieve such a shift, the tap contact in the longitudinal direction of the pressure plate is displaceable.
  • the displacement of the tap contact for example, by entrainment in the course of penetration: as soon as the free end of the blade engages in the sheath of the flat cable, a relative displacement of the tap contact to the flat cable is practically impossible (because of the intervention for this, a relatively large force would be required).
  • the pivoting movement causes a relative movement between the flat cable and the pressure plate in the longitudinal direction.
  • the early determination of the tap contact on the flat cable causes the tap contact is taken from the cable, so in the course of further pivoting is moved away relative to the pressure plate from the joint.
  • this is effectively automated by the displaceable tapping contact in the pressure plate is subjected to force (eg spring loaded), such that it is in the end position of its displacement area before the penetration into the flat cable by the application of force (eg spring loading), which then in Course of penetration allows a shift of the tap contact to prevent movement relative to the flat cable in the cable longitudinal direction.
  • force eg spring loaded
  • the tap contact is acted upon by a spring to the proximal stop of its displacement region.
  • the biasing force is on the one hand sufficiently large to move the still freely displaceable (ie not yet engaging in the cable) tap on the pressure plate to the proximal stop, but on the other hand is sufficiently small to entrainment of the tapping contact by the relative movement after engagement with the flat cable the cable to the pressure plate (otherwise the tap contact would cut the cable lengthwise).
  • tapping contact is part of a slide displaceable in the pressure plate.
  • the tap contact is one Produced metal molding, which is surrounded at least in the flank area of insulating material.
  • the metal molding is produced, for example, by casting and stamping / pressing with possibly subsequent machining, for example for sharpening said cutting edge.
  • the insulating flank region of the tapping contact is made integral with the pressure plate or carriage.
  • the insulating pressure plate or the carriage then has, for example, a surface on its side oriented toward the flat cable which is substantially complementary to the outer contour of the flat cable but has wart-like or blade-like projections at the later tapping points.
  • Through central bores in these protrusions during production, e.g. put the said metal moldings and back secured against falling out and contacted.
  • the bleed contacts are easy to produce.
  • suitable mating shaping of the metal moldings and the protrusions in the pressure plate or in the slide the abovementioned stepless transition between the contact end formed by the metal molding and the insulation formed by the protrusion can be achieved.
  • the aforementioned one-piece production of the insulating flank regions of the tapping contacts with the pressure plate or the slide may, for example, be an impression in a common casting process (for example plastic injection molding).
  • the proximal cutting edge has a lesser inclination relative to the indentation direction than an isolated cutting edge distal to the joint.
  • the pivoting movement of the tap contact with immobile mounting on the pressure plate would be a component of movement of the tap contact in the cable longitudinal direction lead and the tap is slidably disposed on the pressure plate to avoid such a movement component when penetrating into the flat cable.
  • the tapping contact is moved away from the joint during penetration into the flat cable relative to the pressure plate.
  • the tap contact is displaceable in the longitudinal direction of the pressure plate.
  • the displaceable tap contact is subjected to force, such that it is in the end position of its displacement area before penetration into the flat cable by the application of force, which then allows a displacement of the tap contact in the course of penetration to prevent movement relative to the flat cable in the cable longitudinal direction.
  • the force is applied by a spring.
  • the tapping contact is part of a slidable in the pressure plate slide.
  • the tap contact is made of a metal molding, which is surrounded at least in the flank region of insulating material.
  • the insulating part of the tapping contact is made in one piece with the pressure plate or the carriage.
  • the insulating part of the tapping contact and the pressure plate or the carriage are formed together in a casting process.
  • FIG. 1 and 3 these overall perspective views ( Fig. 1 and 3 ) and side views ( Fig. 2 and 4 ) a first embodiment of a connecting device 1 with fixed in the pressure plate tapping contacts in the open state ( Fig. 1 and 2 ) and when closed ( Fig. 3 and 4 ), as well as a front view of the opened state ( Fig. 5 ).
  • the connecting device 1 is composed of a lower part 2 and an upper part 3, which can accommodate a tapped flat cable 4 between them.
  • Upper and lower part 2, 3 are initially separate components that have complementary latching cams 19 (FIG. Fig. 3 ) can be assembled so that they are about a common pivot axis 18 ( Fig. 2 ) from the open state ( Fig. 1 . 2 and 5 ) in a closed Status ( Fig. 3 and 4 ) can be swiveled.
  • the inner sides of the lower part 2 and the upper part 3 each form a pressure plate 5 and 6, respectively.
  • the flat cable 4 ( Fig. 1 . 3 and 5 ) has an outer contour which has no symmetry with respect to a rotation of the flat cable 4 by 180 °.
  • it has five power cores 7 running in the middle plane of the cable 4 (eg the three conductors of a three-phase system, the return conductor and a protective conductor);
  • a shielded data line 8 In the same plane is also located on one side of the flat cable 4 is a shielded data line 8. It is, for example, a symmetrical pair line, which has two parallel non-twisted data wires 9 in the example shown.
  • the data cores 9 are jointly surrounded by a shield 22, which is, for example, a conductive (eg metallized) plastic film.
  • each power core 7 is located outside the flat cable 4 each have a longitudinal recess. However, no such depression is found between the data wires 9, since there the shield 22 is flat; This already eliminates a possible symmetry with respect to a rotation of the cable 4 by 180 °.
  • a particularly deep constriction exists between the outermost energy supply core 7 and the subsequent data line; This also acts symmomentelockedd.
  • the pressure plates 5, 6 have a complementary shape to this cable outer contour, so that the flat cable 4 can be inserted only in a specific orientation in the lower part 2, thus thus a "coding" of connecting device 1 and 4 cable is achieved.
  • Fig. 5 provides a view from the front of the obliquely upward pressure plate 6, wherein the outer contour of the cable complementary inner contour is visible.
  • a tapping contact 10 for the data cores 9 is provided in the pressure plate 6 of the upper part 3, which protrudes directed from the pressure plate 5 to the flat cable 4 out.
  • the two tap contacts 10 are fixed (ie, non-rotatable and non-displaceable) arranged in the upper pressure plate 6.
  • the two tapping contacts 10 are arranged offset in order to distribute the spreading of the data cores 9, which is accompanied by the impressions of the tapping contacts 10, to different locations, viewed in the cable longitudinal direction.
  • two tap contacts 10 are shown in FIG Fig. 4 however, only one is shown - the reason is that in Fig. 3 through the left tapping 10 in Fig. 5 walks into Fig. 4 however, through the right tap 10 in Fig. 5 ).
  • Tapping contacts 20 for the power conductors 7 shown are designed as non-insulated heavy current contacts, for example, in the manner of the WO 2005/057729 A1 known contacts, so that no further explanations follow. If “tapping contacts” are mentioned briefly below, this always refers to the tap contacts 10 for the data line 8.
  • the upper part 3 is equipped with a two-sided lever 11, which is hinged to a lever axis 12 on the upper part 3 and this engages fork-shaped.
  • a lever axis 12 on the upper part 3 On the side facing the flat cable 4 side of the lever, this has on both sides of the upper part 3 each have a fork 13 which engage in a complementary GabelausEnglishung 14 in the lower part 2 and there can engage under a fork abutment 15.
  • this is equipped with a handle 16.
  • connection device 1 The installation of a cable connection using the connection device 1 is hereby carried out in the following manner: First, the flat cable 4 is inserted into the (still separate) lower part. Then, lower part 2 and upper part 3 are joined together at their latching cams 19 to form their pivot axis 19. The lower and upper parts are then initially in an open position, for example, at an angle of 15 ° to each other, as in the Fig. 1 and 2 is shown. The operator now inserts the fork 13 into the fork recess 14, and pushes the lever 11 down. As a result - with force reduction due to the leverage - the upper part 3 is pressed onto the flat cable 4, so that the tap contacts 10 penetrate into the data line 8 and contact the data wires 9, and the connecting device 1 finally in the in the Fig.
  • connection device 1 is thus already in its final state; a to be pushed over the handle 16 locking 17 prevents the connecting device 1 could return to its open position.
  • the actual installation of a connection is thus - after inserting the cable and joining the device - without tools with only one hand movement feasible.
  • the connecting device 1 has on the upper part 3 on a outlet socket 21, which is encoded, for example, according to one of the common industrial connector systems (eg from Wieland®, Wago® or Ensto®).
  • the data line 8 is, for example, an EIB, LON or CAN bus.
  • the connection device 1 may be, for example, a so-called actuator, that is to say a device which branches off with one or more switches which can be actuated by the control signal for the output socket 21 which is branched off Starkstromadern is equipped.
  • the control signals for switching on and off come as signals, for example, according to the EIB, LON or CAN standard on the data line 8.
  • connection device 1 is designed as a sensor device, and for this purpose, for example, in the upper part 3 with a suitable sensor (eg temperature sensor) equipped.
  • the signals of this sensor can be transmitted via the data line 8, for example, to a building management center.
  • Fig. 6 shows a section along the line II-II of Fig. 5 , ie along the cable direction; shows Fig. 6 the data line 8 containing part of the flat cable 4 in not yet contacted state; ie the tap contacts 10 are still outside of the flat cable.
  • Fig. 7 shows a similar sectional view, but in the contacted state, ie the tap contact 10 shown has penetrated into data line 8 and contacts the conductor 23 of the data wire.
  • Fig. 8 shows a detailed view of the tap contacts 10 and the cut flat cable 4 from the front.
  • the 6 and 7 So show a section in the longitudinal direction, while the Fig. 8 shows a section in the transverse direction.
  • each conductor 23 is surrounded in each case with its own circular in cross-section core insulation, wherein the two cores thus formed are then embedded in an intermediate sheath, the outer contour of the conductor insulation 24 of Fig. 8 equivalent.
  • the shield 22 is arranged to the rectangular insulation 24 (or possibly the correspondingly shaped intermediate jacket).
  • the shield 22 is enveloped by a cable sheath 25, which integrally forms the sheath of the entire flat cable 4 (thus also the high-voltage cores 7).
  • the tap contacts 10 are essentially composed of two parts, namely a metal molding 26 and an insulation 27.
  • the metal molding 26 has an elongated, substantially composed of two cylindrical sections shaft 28 and a contact piece 29, which at the free end of the shaft 28 is formed.
  • the contact piece 29 runs - in the transverse direction ( Fig. 8 ) - to the free end pointed, and thus forms a cutting edge 30.
  • the cutting edge 30 on both sides in each case a highly inclined cutting edge 31, which is formed by insulating material.
  • the cutting edge 30 extends in the embodiment of the Fig. 6 to 8 parallel to the direction of the conductor 23, ie parallel to the cable longitudinal direction.
  • the cutting edge 30 lies in an imaginary plane which is spanned by the conductor 23 to be contacted and the direction of penetration. This means that - how to get in Fig. 8 can see - the cutting edge 30 in the open state of the connecting device is centrally above the conductor to be contacted 23, and penetrates the conductor 23 in the middle when penetrating into the flat cable 4.
  • the insulations 27 of all the tap contacts 10 are made in one piece with the pressure plate 6 of the upper part 5, e.g. by injection molding of a suitable insulating plastic. After the injection molding and possibly drilling out of the insulation 27 is to complete a tapping contact 10, only the metal mold part 26 from the cable side to insert and back to secure against falling out.
  • the insulation 27 surrounds the shaft 28 of the molded part 26 and thus forms an insulating edge of the tapping contact 10, leaving only the cutting edge 30 and the contact piece 29 leading to it uncovered, the extension of the latter in the direction of the shaft approximately equal to the diameter d.
  • the contact piece 29 widens from the cutting edge 30 to the shaft 28. This widening continues steplessly into the insulation 27, so that the tapping contact 10 is cut in the transverse direction overall has a uniformly widening shape. This serves, as already stated above, the spreading of cable sheath 25, shielding 22 and core insulation 24 in the course of the tapping operation.
  • the contact piece 29 in the embodiment of Fig. 6 to 8 essentially rectangular, thus has no broadening.
  • the insulation 27 widens towards the pressure plate 6 out.
  • the lateral, sharply inclined edges of the insulation 27, in longitudinal section ( 6 and 7 ) are formed as cutting edges 31.
  • the function of the cutting edges 31 is to lengthen the cut initially produced by the cutting edge 30 in the longitudinal direction, while the tap contact 10 is deeper penetrates into the flat cable 4.
  • the broadening of the tap contact 10 in section in the longitudinal direction asymmetric to the shaft axis; namely, the angle of inclination (relative to the shaft axis) of that cutting edge 31a, which faces the axis of rotation 18 (ie the proximal cutting edge), smaller than that of the other, facing away from the axis of rotation 18 cutting edge 31b (ie the distal cutting edge).
  • These different cutting edge angles take into account that the proximal cutting edge 31a when closing the connection device 1 undergoes a movement component to the rotation axis 18, which originates from the position of the rotation axis 18 above the pressure plate 6. Due to this asymmetry, the length of the two cutting edges 31 a, b ultimately generated cuts approximately the same.
  • Fig. 9 shows cross sections of the tapping contact 10 perpendicular to the direction of the shaft, wherein the outer contours of the metal molding 26 (solid lines) and the insulation 27 (dashed lines) are shown in the manner of contour lines.
  • the contour line at S 1 shows a section at the level of the cutting edge 30, the contour line S2 shows a section through the contact piece 29, and the contour lines S3 and S4 show two sections through the isolated region of the tap contact 10.
  • the closing process begins with the in Fig. 6 shown position.
  • the cutting edge 30 successively cuts through the cable jacket 25, the Shield 22 and the core insulation 24 and finally penetrates into the conductor 23 a.
  • the inclined cutting edges 31 a, b extend the cut, the cut length increases toward the outside of the cable. Due to the transversely widening shape of the tapping contact 10, the cut-open material is spread apart in the region of the cut, whereby the extent of the spreading also increases toward the outside of the cable. With the penetration of the tapping contact 10, a force is applied to the flat cable 4 for the pressure plate 5 due to the aforementioned spreading.
  • This action leads to a permanent elastic deformation of the flat cable 4 such that the conductor 23 is displaced in the area of the tapping point to the lower pressure plate 5 ( Fig. 7 ).
  • the displacement distance is for example about half of the conductor diameter d.
  • the underlying layers of the cable 4 (core insulation 24 and jacket 25) are compressed accordingly.
  • the extension of the tapping contact 4 from the pressure plate 6 (called "height") takes into account this displacement of the conductor 23.
  • the height of the tapping contact is so large that the cutting edge 30 is approximately at the bottom of the conductor 23 and the insulation 27th begins approximately at the top of the conductor 23.
  • the distance of the cutting edge 30 from the upper pressure plate 6 would be approximately half the cable diameter plus half the conductor diameter, and the insulation 27 would start at approximately half the cable diameter minus half the conductor diameter.
  • the height of the tap contact 10 is greater, and indeed - with an assumed displacement of the conductor 23 by d / 2 - the blade 30 is now half the cable diameter plus the conductor diameter, while the beginning of the insulation 27 is half the cable diameter ,
  • the cutting edge 30 runs parallel to the cable longitudinal direction, illustrate the 10 to 15 Alternative embodiments (the insulation 27 also present in these examples with possibly existing cutting edges is in the Fig. 9 - 12 and 14 not drawn).
  • the cutting edge 30 is inclined relative to the cable longitudinal direction 32 by an angle ⁇ . In the illustrated examples, the angle ⁇ is about 15 °.
  • the cutting edge 30 is composed of two cutting portions 33, one of which is inclined by the angle ⁇ , and the other by the angle - ⁇ relative to the cable longitudinal direction 32.
  • the cutting portions 33 are V-shaped; the contact piece 29 thus has a convex shape.
  • the two cutting portions 33 are arranged in the manner of an inverted "V".
  • the tap contact 10 thus has a concave shape.
  • the cutting edge 30 is curved.
  • the cutting edge 30 and the cutting edges 31 have, for example, a semicircular shape.
  • the radius of curvature r of the cutting edge 30 in the example shown is equal to the extent e of the tapping contact 10 in the longitudinal direction.
  • Fig. 13 also shows by way of example that the contact piece 29 of the metal molding 26 does not need to extend over the entire length with which the tap contact 10 penetrates into the conductor 23. Rather, extends in the embodiment of Fig. 13 (And corresponding may also apply to differently shaped tapping contacts) the contact piece only over a portion of this length, and thus also forms only part of the cutting edge 30.
  • the remaining part of the cutting edge 30 and the subsequent cutting edges 31 are formed by the insulation 27.
  • This one can, like Fig. 13 shows, integrally molded with the pressure plate 6 (or a below explained in more detail slide in the pressure plate).
  • FIGS. 15 and 16 show a second embodiment of a connection device 1, wherein the tap contacts 10 are not fixedly arranged in the pressure plate 6, but in a longitudinally displaceable in the pressure plate 6 carriage 35th Die
  • FIGS. 15 and 16 show the connection device 1 in the open or closed state, according to the FIGS. 2 and 4 ,
  • tapping contact 10 is exemplified in FIG. 13
  • this second embodiment with longitudinally displaceable tapping contact other contact forms can be used, which have been described above, for example, in connection with the first embodiment (with fixed contacts).
  • the remaining description of details of the embodiments with fixed contacts applies equally to the embodiment of FIGS. 15 to 18 insofar as they are technically compatible with the now described in more detail contact arrangement in a carriage.
  • the carriage 35 is displaceably mounted in a sliding guide provided in the pressure plate 6 in the longitudinal direction of the pressure plate 6.
  • the carriage 35 is formed for example of plastic, namely z. B. integral with the insulation 27 of the tap contact 10 ( FIG. 13 ).
  • the contact piece 29 is inserted from metal; it occurs at the free end of the cutting edge 30 to the surface of the tapping contact 10 (FIG. FIG. 13 ).
  • the longitudinal direction of the pressure plate 6 (ie, the direction in which the tap contact 10 is slidable) coincides with the longitudinal direction of the flat cable 4.
  • the two directions do not coincide exactly, but differ around the Tilt angle ⁇ of the connection device; However, in the projection of the pressure plate 6 on the flat cable 4, they also fall together in the open state.
  • the carriage 35 is limited in its longitudinal movement by stops, by a proximal stop 36 and a distal stop 37.
  • the maximum possible movement stroke between these two stops is in FIG. 15 represented and designated x 1 .
  • the carriage 35 is spring loaded, so that it is in the open state of the connection device 1 in the in FIG. 15 illustrated initial position 38 is located. In fact, in this initial position 38 it bears against the proximal stop 36.
  • FIGS. 17 and 18 illustrate with a plan view of the pressure plate 6 an exemplary realization of the spring loading of the carriage 35.
  • the carriage 35 is equipped with a cutout 40, in which the carriage 35 is inserted.
  • the longitudinal edges of the cutout 40 are encompassed by the carriage 35 and thus simultaneously form a longitudinal guide for this.
  • a resilient tab 41 is integrally formed on the carriage 35 in one piece. This consists z. B., such as the carriage 35, made of insulating plastic material.
  • the resilient tab 41 has in the unloaded state z. B. the form of a "V"; It can be elastically deformed into the shape of a "U", as in the FIGS. 17 and 18 is shown.
  • a plurality of tap contacts 10 are arranged together on a carriage 35.
  • a plurality of independently displaceable carriages are provided (eg, one carriage for each tap contact 10) in order to take into account different displacement paths ⁇ x, which will occur with relatively widely spaced bleed contacts (in the embodiments of FIGS. 15 to 18 with shared slides, the difference in displacement was still considered negligible).
  • connection devices with which the stripping-free tapping of shielded data lines can be effected in a simple and (short-circuit) safe manner.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Processing Of Terminals (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
EP08015559.1A 2007-09-03 2008-09-03 Dispositif de fabrication une connexion d'un câble plat sans sa dénudation Active EP2031704B1 (fr)

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Application Number Priority Date Filing Date Title
DE102007041814A DE102007041814A1 (de) 2007-09-03 2007-09-03 Vorrichtung zur abisolierfreien Herstellung eines Anschlusses an ein Flachkabel

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EP2031704A2 true EP2031704A2 (fr) 2009-03-04
EP2031704A3 EP2031704A3 (fr) 2009-12-30
EP2031704B1 EP2031704B1 (fr) 2016-06-01

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645492A1 (fr) * 2012-03-26 2013-10-02 Zumtobel Lighting GmbH Outil d'estampillage pour câble plat
CN109768408A (zh) * 2019-03-25 2019-05-17 厦门金万年照明有限公司 一种电连接器及灯具
CN117856117A (zh) * 2023-12-21 2024-04-09 德维嘉汽车电子系统(无锡)有限公司 线束生产线的末端去皮装置和工艺

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Publication number Priority date Publication date Assignee Title
DE202009014294U1 (de) 2009-10-22 2011-02-24 Woertz Ag Satz zur Herstellung einer elektrischen Installation
DE102023004421B4 (de) 2023-11-03 2025-02-06 Mercedes-Benz Group AG Kontaktiervorrichtung

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DE2206187B1 (de) 1971-03-31 1972-08-31 Woertz, Oskar, Inh. H. & O. Woertz, Basel (Schweiz) Elektrisches Flachkabel und zugehörige Anschlußvorrichtung
EP0665608A2 (fr) 1994-01-31 1995-08-02 Däwyler AG Kabel und Systeme Système de câblage électrique
EP0726623A2 (fr) 1995-02-07 1996-08-14 Karl Lumberg GmbH & Co. Dispositif de connexion pour le libre rétablissement d'une connexion électrique réutilisable, par exemple pour le branchement sur des lignes électriques à soins multiples
DE19814182A1 (de) 1998-03-30 1999-10-14 Siemens Ag Kontaktsystem zur abisolierfreien Kontaktierung
EP1134841A2 (fr) 2000-03-13 2001-09-19 WIELAND ELECTRIC GmbH Dispositif de connexion
EP1178571A2 (fr) 2000-07-31 2002-02-06 FINCANTIERI CANTIERI NAVALI ITALIANI S.p.A. Améliorations de dispositifs et procédés pour la distribution d'électricité et de signaux, en particulier dans le domaine naval
DE20111496U1 (de) 2001-07-11 2002-11-21 Dätwyler AG Schweizerische Kabel-, Gummi- und Kunststoffwerke, Altdorf, Uri Anschlußvorrichtung zum Anzapfen eines Flachkabels
EP1276173A2 (fr) 2001-07-11 2003-01-15 Dätwyler Ag Schweizerische Kabel-, Gummi- Und Kunststoffwerke Dispositif de connexion de dérivation pour câble plat
DE10201495A1 (de) 2002-01-17 2003-08-14 Wieland Electric Gmbh Elektrische Anschlussklemme
WO2004042872A1 (fr) 2002-11-04 2004-05-21 Woertz Ag Vis de contact
US20050064759A1 (en) 2003-09-23 2005-03-24 Libby Robert A. Hinged electrical connector for insulated cable
WO2005057729A1 (fr) 2003-12-15 2005-06-23 Woertz Ag Connecteur de cables

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JP2713845B2 (ja) * 1992-12-25 1998-02-16 矢崎総業株式会社 圧接ジョイントコネクタ
DE20111491U1 (de) 2001-07-11 2002-01-24 Machein, Günter, 84072 Au Badminton-Trainingsvorrichtung
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DE2206187B1 (de) 1971-03-31 1972-08-31 Woertz, Oskar, Inh. H. & O. Woertz, Basel (Schweiz) Elektrisches Flachkabel und zugehörige Anschlußvorrichtung
EP0665608A2 (fr) 1994-01-31 1995-08-02 Däwyler AG Kabel und Systeme Système de câblage électrique
EP0665608B1 (fr) 1994-01-31 1999-10-27 Däwyler AG Kabel und Systeme Système de câblage électrique
EP0726623A2 (fr) 1995-02-07 1996-08-14 Karl Lumberg GmbH & Co. Dispositif de connexion pour le libre rétablissement d'une connexion électrique réutilisable, par exemple pour le branchement sur des lignes électriques à soins multiples
DE19814182A1 (de) 1998-03-30 1999-10-14 Siemens Ag Kontaktsystem zur abisolierfreien Kontaktierung
EP1134841A2 (fr) 2000-03-13 2001-09-19 WIELAND ELECTRIC GmbH Dispositif de connexion
EP1178571A2 (fr) 2000-07-31 2002-02-06 FINCANTIERI CANTIERI NAVALI ITALIANI S.p.A. Améliorations de dispositifs et procédés pour la distribution d'électricité et de signaux, en particulier dans le domaine naval
DE20111496U1 (de) 2001-07-11 2002-11-21 Dätwyler AG Schweizerische Kabel-, Gummi- und Kunststoffwerke, Altdorf, Uri Anschlußvorrichtung zum Anzapfen eines Flachkabels
EP1276173A2 (fr) 2001-07-11 2003-01-15 Dätwyler Ag Schweizerische Kabel-, Gummi- Und Kunststoffwerke Dispositif de connexion de dérivation pour câble plat
DE10201495A1 (de) 2002-01-17 2003-08-14 Wieland Electric Gmbh Elektrische Anschlussklemme
WO2004042872A1 (fr) 2002-11-04 2004-05-21 Woertz Ag Vis de contact
US20050064759A1 (en) 2003-09-23 2005-03-24 Libby Robert A. Hinged electrical connector for insulated cable
WO2005057729A1 (fr) 2003-12-15 2005-06-23 Woertz Ag Connecteur de cables

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2645492A1 (fr) * 2012-03-26 2013-10-02 Zumtobel Lighting GmbH Outil d'estampillage pour câble plat
CN109768408A (zh) * 2019-03-25 2019-05-17 厦门金万年照明有限公司 一种电连接器及灯具
CN117856117A (zh) * 2023-12-21 2024-04-09 德维嘉汽车电子系统(无锡)有限公司 线束生产线的末端去皮装置和工艺

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DE102007041814A1 (de) 2009-03-05
EP2031704A3 (fr) 2009-12-30

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