EP0665608A2 - Electrical wiring system - Google Patents

Electrical wiring system Download PDF

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Publication number
EP0665608A2
EP0665608A2 EP94120622A EP94120622A EP0665608A2 EP 0665608 A2 EP0665608 A2 EP 0665608A2 EP 94120622 A EP94120622 A EP 94120622A EP 94120622 A EP94120622 A EP 94120622A EP 0665608 A2 EP0665608 A2 EP 0665608A2
Authority
EP
European Patent Office
Prior art keywords
data transmission
wires
installation system
cable
flat cable
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
EP94120622A
Other languages
German (de)
French (fr)
Other versions
EP0665608A3 (en
EP0665608B1 (en
Inventor
Hans Woertz
Pierre Schoeffel
André Bissig
Jürgen Strauss
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
Daetwyler IT Infra AG
Original Assignee
DAEWYLER AG KABEL und SYSTEME
Dawyler AG Kabel und Systeme
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 DAEWYLER AG KABEL und SYSTEME, Dawyler AG Kabel und Systeme, Woertz AG filed Critical DAEWYLER AG KABEL und SYSTEME
Publication of EP0665608A2 publication Critical patent/EP0665608A2/en
Publication of EP0665608A3 publication Critical patent/EP0665608A3/en
Application granted granted Critical
Publication of EP0665608B1 publication Critical patent/EP0665608B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—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
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/613—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures by means of interconnecting elements
    • H01R12/616—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures by means of interconnecting elements having contacts penetrating insulation for making contact with conductors, e.g. needle points
    • 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
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • 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
    • H01R4/2475—Connections using contact members penetrating or cutting insulation or cable strands the contact members penetrating the insulation being actuated by screws, nuts or bolts
    • H01R4/2483—Connections using contact members penetrating or cutting insulation or cable strands the contact members penetrating the insulation being actuated by screws, nuts or bolts penetrating the area under the screw tip
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/771—Details
    • H01R12/775—Ground or shield arrangements
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461—Means for preventing cross-talk
    • H01R13/6471—Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable

Definitions

  • the invention relates to an electrical installation system, formed by flat cable and connection device.
  • a flat cable for energy transmission and an associated connection device are known from German specification 2 206 187 (Woertz).
  • the flat cable has essentially arranged in one plane energy transmission wires.
  • the connecting device is designed such that the energy transmission wires can be connected without stripping by piercing an insulation. This does allow one simple and quick connection of devices to the power supply. For devices with a data connection, however, the relatively great effort for multiple laying and multiple connections remains.
  • German utility model 91 04 861 (Ernst + Engbring) discloses a flat cable with several energy transmission wires arranged side by side and a bundle of twisted wires for the transmission of control and signal currents.
  • the power supply wires and the wire bundle are easily separable, e.g. in order to be able to connect conventional connectors separately to the energy transmission wires and to connect the wire bundle for signal and control current transmission.
  • This flat cable can reduce the effort of multiple cable laying.
  • the connection of devices requires a multiple effort as in conventional installations with multiple cable types.
  • German utility model 85 24 944 (Kabelwerke Reinshagen) finally discloses a data transmission line in which several coaxial cables and a twisted wire bundle for the data line are combined as flat cables. It can be used to transmit high-frequency signals on the one hand and data on the other hand, e.g. to connect devices from the television sector with each other. However, it is hardly suitable for energy transfer.
  • the invention aims to reduce the effort involved in laying and connecting cables of different types.
  • the invention achieves this goal in a generic flat cable in that the flat cable has energy transmission and data transmission wires arranged essentially in one plane, the data transmission wires not being twisted together, and in that the connecting device is designed so that the energy transmission and data transmission wires can be connected without stripping by piercing an insulation (claim 1).
  • a basic idea of the invention is therefore to combine energy transmission wires and data transmission wires in a single flat cable and to provide a single connection device for stripping-free connection of both the energy transmission wires and the data transmission wires. Instead of laying and connecting two separate cables, it is now only necessary to lay a single cable and connect it in a simple manner to a common connection device.
  • the invention uses the advantages of the system of the above-mentioned layout specification 2 206 187, which is designed in accordance with the requirements of power electronics, and extends its scope to a combination of power and data cables with a correspondingly combined connecting device. Normally, due to their completely different characteristics, these types of cables are not connected together with a combined connection device (power cables generally transmit low-frequency heavy current; data cables are used in particular to transmit high-frequency electromagnetic waves). In order to arrive at the invention, it had first to be found that not only a cable common for supply and data (as for example in the above-mentioned utility model 91 04 861), but also a common connection device could be used without the need for the contact points Power lines interfere with data transmission.
  • the energy transmission wire (s) adjacent to the data transmission wires serve as protective conductor or neutral conductor (claim 2).
  • these earthed conductors have a shielding effect in the flat cable, which reduces the influence of interference signals emanating from the power wires on the data transmission wires; in the case of an arrangement between data transmission lines, they also reduce crosstalk from one to the other data transmission line.
  • the data transmission cores are particularly preferably shielded and the connection device is designed such that the shield is pierced when the data transmission cores are connected (claim 3).
  • the shield protects the data transmission cores from electrical interference signals - also from external sources - and on the other hand - when operating at higher frequencies - prevents the emission of electromagnetic waves.
  • the shield can enclose the data transmission wires together or, alternatively, individually. (Claim 4).
  • the connection device has a number of contact means corresponding to the number of wires of the flat cable, each with a tip for piercing the insulation and possibly the shielding of the flat cable, which can be brought into contact with one of the wires of the flat cable.
  • Each of the contact screws therefore only engages in one of the wires.
  • the contact means are particularly preferably contact screws (claim 5). Especially preferably around contact screws (claim 5). It is also advantageous if the contact means for connection to the data transmission wires have electrical insulation which protects against short circuits between the wire and the shield (claim 6).
  • This insulation can be designed, for example, in such a way that it covers the surface of the contact means in the region which can come into contact with the shield after the piercing has been completed; in the case of contact screws, for example, this could be an insulating ring between the tip and a threaded body of the screw that does not reach all the way to the tip.
  • the insulation can be designed such that it electrically separates this area from the tip; for example, the tip could be insulated on the end of a hollow contact screw, the tip being electrically bound through the inside of the screw to the other screw end.
  • the energy transmission part is advantageously designed as a three-phase four-wire system with a combined neutral and protective conductor and particularly advantageously as a three-phase five-wire system with a separate neutral and protective conductor.
  • the flat cable preferably has four and particularly preferably five energy transmission wires and at least two data transmission wires (claim 7).
  • the outer geometry of the flat cable and the inner geometry of a receiving space of the connecting device are matched to one another in such a way that the flat cable can only be inserted into the connecting device in a defined position (Claim 8).
  • the data transmission wires are clearly combined to form a data cable part and the energy transmission wires are combined to form a power cable part, the data cable part and the power cable part being connected to one another via a web (see claim 9). It is also particularly advantageous if the web is arranged asymmetrically with respect to the perpendicular to the cable plane, since in this case the cable can be inserted into the receiving device in such a way that it is secured against incorrect insertion.
  • connection devices such as plugs are usually connected to the end of a cable.
  • the connection device of the inven tion can be designed so that it can only be connected to one end of the cable, for example by only having a passage opening for the cable.
  • the connection device is particularly advantageously designed such that the flat cable can be tapped with it as a continuous cable, for example by having an opening for the entry and one for the exit of the cable (claim 10).
  • This measure allows several devices to be connected to one line (and thus a decentralized distribution of "bus intelligence") without this having to be disconnected. In particular, it allows the subsequent installation of connections at virtually any point on the Cable - without additional effort - and is a considerable relief.
  • the connecting device has power-current coupling means and data bus coupling means (claim 11).
  • these are connected to the contact means, on the other hand, they allow devices to be connected. In the simplest case, they can be plug, screw or clamp connectors, for example.
  • the data bus coupling means preferably comprise electronic bus transceivers, transformer-specific transmitters or optocouplers and the power current coupling means relays for switching the power current.
  • the coupling means comprise electronic, electromechanical and / or optical coupling devices, these are particularly preferably housed in at least one separate housing which can be connected to the connecting device (claim 12).
  • an electrical flat cable 1 has in a first cable section 2 five electrically conductive wires 3a, 3b, 3c, 3d, 3e, which are designed for the transmission of electrical energy (e.g. direct current, low-voltage three-phase current).
  • the first cable section 2 - also called power cable section - is connected to a second cable section 5 (a data cable section) via a web 4.
  • the data cable section 5 in turn has two parallel parallel data transmission wires 6a, 6b, which are not twisted together.
  • the particularly advantageous cross-sectional geometry of the flat cable 1 can be clearly seen.
  • the web 4 is formed from triangular incisions which run triangularly inwards from the two outer sides 7, 8 of the flat cable on both sides.
  • the bevels and the web 4 ensure a secure fit of the data transmission cable in an associated receiving device with an internal geometry adapted to the cross-sectional geometry of the flat cable 1 (see FIG. 2).
  • the combined power and bus cable is preferably designed as follows: 2.5 mm2 wires are used as power wires 3a-3e, for example for three-phase current 380 V, 50 Hz, 16 A, and 1.5 mm2 wires are used as data wires.
  • the wires in the flat cable 1 are advantageously arranged in the following order: wires 3a-3c: pole conductor; Wire 3d: neutral conductor; Core 3e: protective conductor; Cores 6a, 6b: data conductors.
  • the wires 6a, 6b are also surrounded together with a shield 9 against electromagnetic interference.
  • the wires 6a and 6b each have a single shield 9a, 9b.
  • the shield is advantageously formed by an aluminum-clad PETP (polyethylene terephthalate) film.
  • 1d finally shows an exemplary embodiment in which the data cable part 5 and the power cable part 2 are not separated from one another by a web.
  • a clear, secure fit in the connection device is ensured in this embodiment by a notch 10 on the right outside of the flat cable 1.
  • Fig. 1e The embodiment of Fig. 1e is characterized in that the two data transmission wires 6a, 6b are not next to each other, but to the left and right of the power wires 3a-3e.
  • the power wires 3a, 3e, which are respectively adjacent to the data transmission wires 6a, 6b, preferably serve here as a protective conductor or neutral conductor. Furthermore, this embodiment has no notch. Two triangular cutouts in the upper right and lower right corners of the cable alone are used to fit into the associated mounting device.
  • FIG. 1f essentially corresponds to that of FIG. 1a.
  • the only difference is that the data cable part 5 has no outer edges, but is rounded on the outside, and the outer edges on the power cable part are chamfered.
  • the position of the individual wires (3a-3e, 6a, 6b) relative to the cable exterior must be precisely defined. Accordingly, the accuracy of the position of the centers of all the wires (3a-3e, 6a, 6b) relative to the cable exterior is at least ⁇ 0.3 mm in the embodiments shown.
  • Fig. 2a shows a connection device 11, in which a continuous flat cable 1 is inserted.
  • the connecting device has an insulating body 12 provided with a longitudinal web 13, which engages via two legs 14, 15 with ribs 16, 17 in a correspondingly shaped base part 18 with legs 19, 20.
  • the connecting device 11 has seven connecting terminals 22, each with a contact means provided with a tip 23 for piercing a cable insulation 24 - and with the data wires 6a, 6b also the shield 9 - here a contact have screw 25. This can in turn be brought into contact with one of the wires 3a-3e, 6a, 6b of the flat cable 1.
  • the contact screws 25 intended for connection to the data transmission wires additionally have electrical insulation 26 on the outside in the area between their threaded body 27 and their tip 23, which protects against short circuits between wire 6a, 6b and shielding 9.
  • the tip 23 protrudes from the insulation 26 in the form of a metal pin section.
  • the thread 27 of the screw 25 does not penetrate the cable.
  • the heads 28 of the contact screws 25 are surrounded by an insulating collar 29. Make openings 30, 30 ' here are the coupling means; they are used to easily insert branch conductors.
  • the contact screws 25 are inserted in the longitudinal direction of the flat cable offset from one another in the connection device 11, so that short circuits and the like are avoided. Data and power connections are also clearly separated.
  • a coupling means unit is provided in an additional, separate housing 31 for coupling one or more devices, which comprises, for example, bus transceivers for data bus coupling and a relay for switching the power current.
  • a plug connection is used, which is advantageously formed by plug pins 32 on the housing 31 and sockets 33 on the connection device 11.
  • the arrangement of the pins 32 and sockets 33 corresponds to the arrangement of contact screws (not shown here) in the connection device 11. It is here adapted to an alternative embodiment of the flat cable 1 with data transmission wires running in the middle between the energy transmission wires and therefore differs from the embodiment Fig. 2b.
  • a connecting cable leads from the housing 31 to the connected device.
  • the housing 31 is inserted into the connection device 11 from above (based on a horizontally lying flat cable 1).
  • the dimensions of the housing 31 correspond to those of the connection device 11, so that both form a compact block when plugged together.
  • the housing 31 is inserted laterally into the connection device 11.
  • the plug connections 32, 33 are arranged here along a straight line; however, the data connector 32a, 33a is separated from the power connector 32b, 33b, so that this results in a clear insertion orientation.
  • the invention results in a data bus-compatible, stripping-free installation system, which consists of the flat cable 1 together with the matching connecting devices or sockets 11.
  • the invention makes it possible to lay power lines and bus lines and to connect them in one operation. This considerably speeds up the installation of these cables in hollow ceilings, ducts, shafts and similar cavities.
  • the connection device 11 enables a stripping-free creation of the contact between the main lines and stub lines, since in addition to the power connections, it also has a data bus connection option, with the aid of which it is possible to connect electrical and / or electronic devices such as Provide computers with commands or messages.

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  • Multi-Conductor Connections (AREA)
  • Communication Cables (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The connection assembly is for a flat ribbon cable having five electrical wires in parallel that are used for the transmission of electrical energy, e.g. AC, DC, and a further pair of wires used as data transmission lines. A connection with the cable is made by a connector (11) having lower and upper housing blocks that are clamped together. Individual contact elements are screwed in to penetrate insulation and make contact with the wires. Side connections may be made by a plug (31) with bushes (32a,32b) that engages pins (33a,33b).

Description

Die Erfindung betrifft ein elektrisches Installationssystem, gebildet durch Flachkabel und Anschlußvorrichtung.The invention relates to an electrical installation system, formed by flat cable and connection device.

Problematisch bei der Installation von Kabeln für Geräte aller Art mit Datenanschluß ist der Mehrfachaufwand, der im allgemeinen dadurch entsteht, daß einerseits Kabel verschiedenen Typs (Datenübertragungskabel, Starkstromkabel zur Versorgung mit Energie usw.) in Hohldecken, Kanälen, Schächten und ähnlichen Hohlräumen verlegt werden müssen, und daß andererseits die Geräte an diese verschiedenen Kabeltypen angeschlossen werden müssen.The problem with the installation of cables for devices of all types with data connection is the multiple expense that generally arises from the fact that cables of different types (data transmission cables, power cables for supplying energy, etc.) must be laid in hollow ceilings, channels, shafts and similar cavities , and that on the other hand the devices must be connected to these different types of cables.

Aus der deutschen Auslegeschrift 2 206 187 (Woertz) ist ein Flachkabel zur Energieübertragung und eine zugehörige Anschlußvorrichtung bekannt. Das Flachkabel weist im wesent lichen in einer Ebene angeordnete Energieübertragungsadern auf. Die Anschlußvorrichtung ist so ausgebildet, daß die Energieübertragungsadern abisolierfrei durch Durchstechen einer Isolation anschließbar sind. Dies erlaubt zwar ein einfaches und schnelles Anschließen von Geräten an die Stromversorgung. Für Geräte mit Datenanschluß bleibt aber der relativ große Aufwand für das Mehrfachverlegen und Mehrfachanschließen.A flat cable for energy transmission and an associated connection device are known from German specification 2 206 187 (Woertz). The flat cable has essentially arranged in one plane energy transmission wires. The connecting device is designed such that the energy transmission wires can be connected without stripping by piercing an insulation. This does allow one simple and quick connection of devices to the power supply. For devices with a data connection, however, the relatively great effort for multiple laying and multiple connections remains.

Das deutsche Gebrauchsmuster 91 04 861 (Ernst + Engbring) offenbart ein Flachkabel mit mehreren nebeneinander angeordneten Energieübertragungsadern und einem Bündel verdrillter Adern zur Übertragung von Steuer- und Signalströmen. Die Stromversorgungsadern und das Aderbündel sind leicht voneinander trennbar ausgebildet, z.B. um herkömmliche Steckverbinder gesondert an die Energieübertragungs adern und das Aderbündel zur Signal- und Steuerstromübertragung anschließen zu können. Dieses Flachkabel kann zwar den Aufwand einer mehrfachen Kabelverlegung verringern. Das Anschließen von Geräten erfordert aber einen Mehrfachaufwand wie bei herkömmlichen Installationen mit mehreren Kabeltypen.German utility model 91 04 861 (Ernst + Engbring) discloses a flat cable with several energy transmission wires arranged side by side and a bundle of twisted wires for the transmission of control and signal currents. The power supply wires and the wire bundle are easily separable, e.g. in order to be able to connect conventional connectors separately to the energy transmission wires and to connect the wire bundle for signal and control current transmission. This flat cable can reduce the effort of multiple cable laying. The connection of devices, however, requires a multiple effort as in conventional installations with multiple cable types.

Das deutsche Gebrauchsmuster 85 24 944 (Kabelwerke Reinshagen) offenbart schließlich eine Datenübertragungsleitung, bei der mehrere Koaxialkabel und ein verdrilltes Aderbündel zur Datenleitung als Flachkabel zusammengefaßt sind. Es kann dazu dienen, einerseits hochfrequente Signale und andererseits Daten zu übertragen, z.B. um Geräte aus dem Televisionsbereich miteinander zu verbinden. Zur Energieübertragung ist es jedoch kaum geeignet.The German utility model 85 24 944 (Kabelwerke Reinshagen) finally discloses a data transmission line in which several coaxial cables and a twisted wire bundle for the data line are combined as flat cables. It can be used to transmit high-frequency signals on the one hand and data on the other hand, e.g. to connect devices from the television sector with each other. However, it is hardly suitable for energy transfer.

Die Erfindung zielt darauf ab, den Aufwand beim Verlegen und Anschließen von Kabeln verschiedenen Typs zu vermindern.The invention aims to reduce the effort involved in laying and connecting cables of different types.

Die Erfindung erreicht dieses Ziel bei einem gattungsgemäßen Flachkabel dadurch, daß das Flachkabel im wesentlichen in einer Ebene angeordnete Energieübertragungs- und Daten übertragungsadern aufweist, wobei die Datenübertragungsadern nicht miteinander verdrillt sind, und daß die Anschlußvorrichtung so ausgebildet ist, daß die Energieüber tragungs- und Datenübertragungsadern abisolierfrei durch Durchstechen einer Isolation anschließbar sind (Anspruch 1).The invention achieves this goal in a generic flat cable in that the flat cable has energy transmission and data transmission wires arranged essentially in one plane, the data transmission wires not being twisted together, and in that the connecting device is designed so that the energy transmission and data transmission wires can be connected without stripping by piercing an insulation (claim 1).

Eine Grundidee der Erfindung besteht demnach darin, Energieübertragungsadern und Datenübertragungsadern in einem einzelnen Flachkabel zusammenfassen und eine einzelne Anschlußvorrichtung zum abisolierfreien Anschließen sowohl der Energieübertragungsadern, als auch der Datenübertragungsadern bereitzustellen. Anstelle zwei gesonderte Kabel zu verlegen und anzuschließen ist es damit nurmehr nötig, ein einziges Kabel zu verlegen und auf einfache Weise an eine gemeinsame Anschlußvorrichtung anzuschliessen.A basic idea of the invention is therefore to combine energy transmission wires and data transmission wires in a single flat cable and to provide a single connection device for stripping-free connection of both the energy transmission wires and the data transmission wires. Instead of laying and connecting two separate cables, it is now only necessary to lay a single cable and connect it in a simple manner to a common connection device.

Die Erfindung nutzt die Vorteile des entsprechend den Anforderungen der Leistungselektrik ausgelegten Systems der eingangs erwähnten Auslegeschrift 2 206 187 und erweitert ihren Anwendungsbereich auf eine Kombination aus Leistungs- und Datenkabel mit entsprechend kombinierter Anschlußvorrichtung. Normalerweise werden diese Kabeltypen aufgrund ihrer völlig verschiedenen Kennwerte nicht gemeinsam mit einer kombinierten Anschlußvorrichtung angeschlossen (Leistungskabel übertragen im allgemeinen niederfrequenten Starkstrom; Datenkabel dienen insbesondere zur Übertragung hochfrequenter elektromagnetischer Wellen). Um zur Erfindung zu gelangen, mußte zunächst gefunden werden, daß man nicht nur ein für Versorgung und Daten gemeinsames Kabel (wie zum Beispiel in dem oben erwähnten Gebrauchsmuster 91 04 861), sondern auch eine gemeinsame Anschlußvorrichtung verwenden kann, ohne daß an den Kontaktstellen die Leistungsleitungen die Datenübertragung stören. Darüber hinaus sind herkömmliche Datenübertragungsleitungen mit mehreren Adern zum Anschließen durch Anstechen kaum geeignet, da die einzelnen Adern im allgemeinen relativ zum Kabeläußeren keine genau definierte Lage haben, wie in dem besonders häufigen Fall verdrillter Adern (der auch bei den oben erwähnten Gebrauchsmustern vorliegt), wo sich die Lage einer einzelnen Ader relativ zum Kabeläußeren laufend verändert. Durch Anstechen könnte man dort eine bestimmte Ader nicht treffen. Es mußte also auch noch gefunden werden, daß ein Anschließen durch Anstechen auch bei Datenübertragungsleitungen möglich ist, und daß es hierzu parallel verlaufender Datenübertragungsadern bedarf.The invention uses the advantages of the system of the above-mentioned layout specification 2 206 187, which is designed in accordance with the requirements of power electronics, and extends its scope to a combination of power and data cables with a correspondingly combined connecting device. Normally, due to their completely different characteristics, these types of cables are not connected together with a combined connection device (power cables generally transmit low-frequency heavy current; data cables are used in particular to transmit high-frequency electromagnetic waves). In order to arrive at the invention, it had first to be found that not only a cable common for supply and data (as for example in the above-mentioned utility model 91 04 861), but also a common connection device could be used without the need for the contact points Power lines interfere with data transmission. In addition, conventional data transmission lines with multiple wires are hardly suitable for connection by piercing, since the individual wires generally have no precisely defined position relative to the cable exterior, as in the particularly common case of twisted wires (which also applies to the above-mentioned utility models), where the position of a single wire relative to the cable exterior is constantly changing. You could not hit a certain wire there by piercing. It also had to be found that connection by piercing is also possible with data transmission lines and that this requires parallel data transmission wires.

Bei einer bevorzugten Ausführungsform der Erfindung dient (dienen) die den Datenübertragungsadern benachbarte(n) Energieübertragungsader(n) als Schutzleiter oder Neutralleiter (Anspruch 2). Diese geerdeten Leiter haben bei dieser Anordnung im Flachkabel eine Abschirmwirkung, welche den Einfluß von den Leistungsadern ausgehender Störsignale auf die Datenübertragungsadern mindert; bei einer Anordnung zwischen Datenübertragungsadern mindern sie auch ein Übersprechen von einer auf die andere Datenübertragungsader. Besonders bevorzugt sind die Datenübertragungsadern abgeschirmt und ist die Anschlußvorrichtung so ausgebildet, daß beim Anschließen der Datenübertragungsadern auch die Schirmung durchstochen wird (Anspruch 3). Die Schirmung schützt einerseits die Datenübertragungsadern vor elektrischen Störsignalen - auch ausgehend von externen Quellen - und schließt andererseits - bei Betrieb mit höheren Frequenzen - die Abstrahlung elektromagnetischer Wellen aus. Die Schirmung kann die Datenübertragungsadern gemeinsam oder, alternativ, jeweils einzeln umschließen. (Anspruch 4).In a preferred embodiment of the invention, the energy transmission wire (s) adjacent to the data transmission wires serve as protective conductor or neutral conductor (claim 2). With this arrangement, these earthed conductors have a shielding effect in the flat cable, which reduces the influence of interference signals emanating from the power wires on the data transmission wires; in the case of an arrangement between data transmission lines, they also reduce crosstalk from one to the other data transmission line. The data transmission cores are particularly preferably shielded and the connection device is designed such that the shield is pierced when the data transmission cores are connected (claim 3). On the one hand, the shield protects the data transmission cores from electrical interference signals - also from external sources - and on the other hand - when operating at higher frequencies - prevents the emission of electromagnetic waves. The shield can enclose the data transmission wires together or, alternatively, individually. (Claim 4).

Bei einer weiteren bevorzugten Ausführungsform der Erfindung weist die Anschlußvorrichtung eine der Anzahl der Adern des Flachkabels entsprechende Anzahl Kontaktmittel mit jeweils einer Spitze zum Durchstechen der Isolation und gegebenenfalls der Schirmung des Flachkabels auf, die mit einer der Adern des Flachkabels in Kontakt bringbar ist. Jede der Kontaktschrauben greift also jeweils nur in eine der Adern ein. Bei den Kontaktmitteln handelt es sich besonders vorzugweise um Kontaktschrauben (Anspruch 5). Vor-sonders vorzugweise um Kontaktschrauben (Anspruch 5). Vorteilhaft ist es ferner, wenn die Kontaktmittel zum Anschluß an die Datenübertragungsadern eine elektrische Isolation aufweisen, welche vor Kurzschlüssen zwischen Ader und Schirmung schützt (Anspruch 6). Diese Isolation kann beispielsweise so ausgebildet sein, daß sie die Oberfläche des Kontaktmittels in dem Bereich, der nach vollendetem Durchstechen mit der Schirmung in Kontakt kommen kann, abdeckt; bei Kontaktschrauben könnte dies zum Beispiel ein isolierender Ring zwischen der Spitze und einem nicht ganz bis zur Spitze reichenden Gewindekörper der Schraube sein. Alternativ kann, falls die Oberfläche des Kontaktmittels im Bereich der Schirmung elektrisch leitend ist, die Isolierung so ausgebildet sein, daß sie diesen Bereich elektrisch von der Spitze trennt; zum Beispiel könnte auf das Ende einer hohlen Kontaktschraube isolierend die Spitze aufgesetzt sein, wobei die Spitze elektrisch durch das Innere der Schraube zum anderen Schraubenende hin durchgebunden ist. Die Variante der Erfindung nach Anspruch 6 löst das Problem, daß bei einem Durchstechen von Kabelmantel, Schirmung und Isolation im Datenkabelteil Schirmung und Ader sauber elektrisch voneinander getrennt bleiben und Kurzschlüsse vermieden werden.In a further preferred embodiment of the invention, the connection device has a number of contact means corresponding to the number of wires of the flat cable, each with a tip for piercing the insulation and possibly the shielding of the flat cable, which can be brought into contact with one of the wires of the flat cable. Each of the contact screws therefore only engages in one of the wires. The contact means are particularly preferably contact screws (claim 5). Especially preferably around contact screws (claim 5). It is also advantageous if the contact means for connection to the data transmission wires have electrical insulation which protects against short circuits between the wire and the shield (claim 6). This insulation can be designed, for example, in such a way that it covers the surface of the contact means in the region which can come into contact with the shield after the piercing has been completed; in the case of contact screws, for example, this could be an insulating ring between the tip and a threaded body of the screw that does not reach all the way to the tip. Alternatively, if the surface of the contact means is electrically conductive in the area of the shielding, the insulation can be designed such that it electrically separates this area from the tip; for example, the tip could be insulated on the end of a hollow contact screw, the tip being electrically bound through the inside of the screw to the other screw end. The variant of the invention according to claim 6 solves the problem that when piercing the cable sheath, shielding and insulation in the data cable part shield and wire remain cleanly electrically separated from each other and short circuits are avoided.

Der Energieübertragungsteil ist vorteilhaft als Drehstrom-Vierleitersystem mit kombiniertem Neutral- und Schutzleiter und besonders vorteilhaft als Drehstrom-Fünfleitersystem mit getrenntem Neutral- und Schutzleiter ausgebildet. Vorzugsweise weist das Flachkabel entsprechend vier und besonders vorzugsweise fünf Energieübertragungsadern und wenigstens zwei Datenübertragungsadern auf (Anspruch 7).The energy transmission part is advantageously designed as a three-phase four-wire system with a combined neutral and protective conductor and particularly advantageously as a three-phase five-wire system with a separate neutral and protective conductor. The flat cable preferably has four and particularly preferably five energy transmission wires and at least two data transmission wires (claim 7).

Bei einer besonders bevorzugten Weiterbildung der Erfindung sind die Außengeometrie des Flachkabels und die Innengeometrie eines Aufnahmeraumes der Anschlußvorrichtung derart aufeinander abgestimmt, daß das Flachkabel nur in einer definierten Lage in die Anschlußvorrichtung einbringbar ist (Anspruch 8). Mit dieser vorteilhaften Weiterbildung der Erfindung wird ein unbeabsichtigtes Vertauschen des Daten- und des Leistungskabelteiles mit der möglichen Folge einer Beschädigung wertvoller Anschlußgeräte (Computer und ähnliches) praktisch ausgeschlossen. Diese weitgehende Absicherung gegen ein unbeabsichtigtes Vertauschen der Kabelanschlüsse ermöglicht in besonders vorteilhafter Weise eine Kombination aus Leistungs- und Datenkabel, die auch höchsten Sicherheitsanforderungen gerecht wird.In a particularly preferred development of the invention, the outer geometry of the flat cable and the inner geometry of a receiving space of the connecting device are matched to one another in such a way that the flat cable can only be inserted into the connecting device in a defined position (Claim 8). With this advantageous development of the invention, an unintentional swapping of the data and the power cable part with the possible consequence of damage to valuable connection devices (computers and the like) is practically excluded. This extensive protection against unintentional swapping of the cable connections enables a combination of power and data cables, which also meets the highest security requirements, in a particularly advantageous manner.

Bei einer weiteren besonders bevorzugten Ausführungsform der Erfindung sind die Datenübertragungsadern in übersichtlicher Weise zu einem Datenkabelteil und die Energieübertragungsadern zu einem Leistungskabelteil zusammengefaßt, wobei der Datenkabelteil und der Leistungskabelteil über einen Steg miteinander verbunden sind (siehe Anspruch 9). Besonders vorteilhaft ist es ferner, wenn der Steg im Bezug zur Senkrechten zur Kabelebene asymmetrisch angeordnet ist, da in diesem Fall anhand des Steges eine gegen falsches Einlegen gesicherte Einbringung des Kabels in die Aufnahmevorrichtung möglich ist.In a further particularly preferred embodiment of the invention, the data transmission wires are clearly combined to form a data cable part and the energy transmission wires are combined to form a power cable part, the data cable part and the power cable part being connected to one another via a web (see claim 9). It is also particularly advantageous if the web is arranged asymmetrically with respect to the perpendicular to the cable plane, since in this case the cable can be inserted into the receiving device in such a way that it is secured against incorrect insertion.

Herkömmliche Anschlußvorrichtungen wie z.B. Stecker sind normalerweise an das Ende eines Kabels anzuschließen. Grundsätzlich kann auch die Anschlußvorrichtung der Erfin dung so ausgebildet sein, daß sie nur an ein Kabelende anschließbar ist, zum Beispiel indem nur eine Durchtritts öffnung für das Kabel vorhanden ist. Besonders vorteilhaft ist die Anschlußvorrichtung jedoch so ausgebildet, daß mit ihr das Flachkabel als durchgehendes Kabel angezapft werden kann, zum Beispiel indem sie eine Öffnung für den Eintritt und eine für den Austritt des Kabels aufweist (Anspruch 10). Diese Maßnahme erlaubt den Anschluß mehrerer Geräte an eine Leitung (und damit eine dezentrale Verteilung von "Bus-Intelligenz"), ohne daß diese aufgetrennt werden müßte. Sie erlaubt insbesondere das nachträgliche Installieren von Anschlüssen an praktisch jeder beliebigen Stelle des Kabels - ohne zusätzlichen Aufwand - und stellt so eine beachtliche Erleichterung dar.Conventional connection devices such as plugs are usually connected to the end of a cable. Basically, the connection device of the inven tion can be designed so that it can only be connected to one end of the cable, for example by only having a passage opening for the cable. However, the connection device is particularly advantageously designed such that the flat cable can be tapped with it as a continuous cable, for example by having an opening for the entry and one for the exit of the cable (claim 10). This measure allows several devices to be connected to one line (and thus a decentralized distribution of "bus intelligence") without this having to be disconnected. In particular, it allows the subsequent installation of connections at virtually any point on the Cable - without additional effort - and is a considerable relief.

Eine weitere bevorzugte Ausführungsform der Erfindung zeichnet sich dadurch aus, daß die Anschlußvorrichtung Leistungsstrom-Ankopplungsmittel und Datenbus-Ankopplungs mittel aufweist (Anspruch 11). Diese sind einerseits mit den Kontaktmitteln verbunden, andererseits erlauben sie die Ankopplung von Geräten. Im einfachsten Fall kann es sich bei ihnen zum Beispiel um Steck-, Schraub- oder Klemmverbinder handeln. Vorzugweise umfassen die Datenbus-Ankopplungsmittel elektronische Bus-Transceiver, transformatori sche Übertrager oder Optokoppler und die Leistungsstrom-Ankopplungsmittel Relais zum Schalten des Leistungsstroms. In diesem Fall, wenn die Ankopplungsmittel elektronische, elektromechanische und/oder optische Koppeleinrichtungen umfassen, sind diese besonders vorzugsweise in wenigstens einem gesonderten, mit der Anschlußvorrichtung verbindbaren Gehäuse untergebracht (Anspruch 12).Another preferred embodiment of the invention is characterized in that the connecting device has power-current coupling means and data bus coupling means (claim 11). On the one hand, these are connected to the contact means, on the other hand, they allow devices to be connected. In the simplest case, they can be plug, screw or clamp connectors, for example. The data bus coupling means preferably comprise electronic bus transceivers, transformer-specific transmitters or optocouplers and the power current coupling means relays for switching the power current. In this case, if the coupling means comprise electronic, electromechanical and / or optical coupling devices, these are particularly preferably housed in at least one separate housing which can be connected to the connecting device (claim 12).

Nachfolgend wird die Erfindung anhand verschiedener Ausführungsbeispiele unter Bezug auf die Zeichnung näher beschrieben. Es zeigen:

Fig. 1a-f
verschiedene Ausführungsbeispiele von Flachkabeln;
Fig. 2a
eine Schnittansicht eines Ausführungsbeispiels einer Anschlußvorrichtung mit einge setztem Flachkabel, entlang Linie II-II in Fig. 2b;
Fig. 2b
eine Draufsicht auf die Anschlußvorrichtung nach Fig. 2a;
Fig. 3a
eine perspektivische Ansicht einer weiteren Anschlußvorrichtung mit eingesetztem Flachkabel, mit einer von oben einsteckbaren Ankopplungsmittel-Einheit; und
Fig. 3b
eine Ansicht entsprechend Fig. 3a, jedoch mit seitlich einsteckbarer Ankopplungsmittel-Einheit.
The invention is described in more detail below with the aid of various exemplary embodiments and with reference to the drawing. Show it:
Fig. 1a-f
different embodiments of flat cables;
Fig. 2a
a sectional view of an embodiment of a connector with inserted flat cable, along line II-II in Fig. 2b;
Fig. 2b
a plan view of the connection device according to Fig. 2a;
Fig. 3a
2 shows a perspective view of a further connection device with an inserted flat cable, with a coupling means unit which can be inserted from above; and
Fig. 3b
a view corresponding to Fig. 3a, but with a laterally insertable coupling means unit.

In den Figuren tragen sich funktionsmäßig im wesentlichen entsprechende Teile gleiche Bezugszeichen.In the figures, functionally corresponding parts have essentially the same reference numerals.

Zunächst seien die Ausführungsbeispiele der Fig. 1 beschrieben. Nach Fig. 1a weist ein elektrisches Flachkabel 1 in einem ersten Kabelabschnitt 2 fünf elektrisch leitende Adern 3a, 3b, 3c, 3d, 3e auf, die zur Übertragung elektrischer Energie (z.B. Gleichstrom, Niederspannungs-Drehstrom) ausgelegt sind. Über einen Steg 4 ist der erste Kabelabschnitt 2 - auch Leistungskabelabschnitt genannt - mit einem zweiten Kabelabschnitt 5 (einem Datenkabelabschnitt) verbunden. Der Datenkabelabschnitt 5 weist wiederum zwei parallel nebeneinander verlaufende, nicht miteinander verdrillte Datenübertragungsadern 6a, 6b auf.The exemplary embodiments in FIG. 1 are described first. 1a, an electrical flat cable 1 has in a first cable section 2 five electrically conductive wires 3a, 3b, 3c, 3d, 3e, which are designed for the transmission of electrical energy (e.g. direct current, low-voltage three-phase current). The first cable section 2 - also called power cable section - is connected to a second cable section 5 (a data cable section) via a web 4. The data cable section 5 in turn has two parallel parallel data transmission wires 6a, 6b, which are not twisted together.

Gut zu erkennen ist die besonders vorteilhafte Querschnittsgeometrie des Flachkabels 1. Der Steg 4 wird aus dreieckigen Einschnitten gebildet, die von den beiden Außenseiten 7, 8 des Flachkabels beidseits dreieckförmig nach Innen hin verlaufen. An der rechten Seite des Datenkabelabschnittes 5 sind jeweils die rechte obere und die rechte untere Ecke abgeschrägt. Die Abschrägungen und der Steg 4 gewährleisten einen sicheren Sitz des Datenübertragungskabels in einer zugehörigen Aufnahmevorrichtung mit einer der Querschnittsgeometrie des Flachkabels 1 angepaßten Innengeometrie (siehe Fig. 2).The particularly advantageous cross-sectional geometry of the flat cable 1 can be clearly seen. The web 4 is formed from triangular incisions which run triangularly inwards from the two outer sides 7, 8 of the flat cable on both sides. On the right side of the data cable section 5, the upper right and lower right corners are chamfered. The bevels and the web 4 ensure a secure fit of the data transmission cable in an associated receiving device with an internal geometry adapted to the cross-sectional geometry of the flat cable 1 (see FIG. 2).

Das kombinierte Starkstrom- und Buskabel wird vorzugsweise wie folgt ausgelegt: als Leistungsadern 3a-3e werden 2,5 mm² Adern, zum Beispiel für Drehstrom 380 V, 50 Hz, 16 A, und als Datenadern 1,5 mm² Adern verwendet. Vorteilhaft sind die Adern im Flachkabel 1 in folgender Reihenfolge angeordnet: Adern 3a-3c: Polleiter; Ader 3d: Neutralleiter; Ader 3e: Schutzleiter; Adern 6a, 6b: Datenleiter.The combined power and bus cable is preferably designed as follows: 2.5 mm² wires are used as power wires 3a-3e, for example for three-phase current 380 V, 50 Hz, 16 A, and 1.5 mm² wires are used as data wires. The wires in the flat cable 1 are advantageously arranged in the following order: wires 3a-3c: pole conductor; Wire 3d: neutral conductor; Core 3e: protective conductor; Cores 6a, 6b: data conductors.

In Fig. 1b sind die Adern 6a, 6b ferner gemeinsam mit einer Abschirmung 9 gegen elektromagnetische Störeinflüsse umgeben. In Fig. 1c weisen die Adern 6a und 6b dagegen jeweils eine einzelne Abschirmung 9a, 9b auf. Die Abschirmung wird vorteilhaft durch eine aluminiumkaschierte PETP(Polyethylenterephtalat)-Folie gebildet.In Fig. 1b the wires 6a, 6b are also surrounded together with a shield 9 against electromagnetic interference. In FIG. 1c, the wires 6a and 6b, on the other hand, each have a single shield 9a, 9b. The shield is advantageously formed by an aluminum-clad PETP (polyethylene terephthalate) film.

Fig. 1d zeigt schließlich ein Ausführungsbeispiel, bei dem Datenkabelteil 5 und Leistungskabelteil 2 nicht durch einen Steg voneinander getrennt sind. Eine eindeutige, sichere Einpassung in die Anschlußvorrichtung wird bei diesem Ausführungsbeispiel durch eine Einkerbung 10 an der rechten Außenseite des Flachkabels 1 gewährleistet.1d finally shows an exemplary embodiment in which the data cable part 5 and the power cable part 2 are not separated from one another by a web. A clear, secure fit in the connection device is ensured in this embodiment by a notch 10 on the right outside of the flat cable 1.

Das Ausführungsbeispiel der Fig. 1e zeichnet sich dadurch aus, daß die beiden Datenübertragungsadern 6a, 6b nicht nebeneinander, sondern links und rechts der Leistungsadern 3a-3e liegen. Vorzugsweise dienen hier die den Datenübertragungsadern 6a, 6b jeweils benachbart liegenden Leistungsadern 3a, 3e als Schutzleiter bzw. Neutralleiter. Ferner weist dieses Ausführungsbeispiel keine Kerbung auf. Die Einpassung in die zugehörige Aufnahmevorrichtung übernehmen allein zwei Dreiecksaussparungen in der rechten oberen und der rechten unteren Ecke des Kabels.The embodiment of Fig. 1e is characterized in that the two data transmission wires 6a, 6b are not next to each other, but to the left and right of the power wires 3a-3e. The power wires 3a, 3e, which are respectively adjacent to the data transmission wires 6a, 6b, preferably serve here as a protective conductor or neutral conductor. Furthermore, this embodiment has no notch. Two triangular cutouts in the upper right and lower right corners of the cable alone are used to fit into the associated mounting device.

Das Ausführungsbeispiel der Fig. 1f entspricht im wesentlichen dem der Fig. 1a. Ein Unterschied besteht nur darin, daß der Datenkabelteil 5 keine Außenkanten aufweist, sondern außen verrundet ist, und die Außenkanten am Leistungskabelteil abgeschrägt sind.The embodiment of FIG. 1f essentially corresponds to that of FIG. 1a. The only difference is that the data cable part 5 has no outer edges, but is rounded on the outside, and the outer edges on the power cable part are chamfered.

Damit ein Kontaktieren durch Durchstechen der Kabelisolation sichergestellt ist, muß die Lage der einzelnen Adern (3a-3e,6a,6b) relativ zum Kabeläußeren genau festgelegt sein. Entsprechend beträgt bei den gezeigten Ausführungsformen die Genauigkeit der Position der Mitten sämtlicher Adern (3a-3e, 6a,6b) relativ zum Kabeläußeren mindestens ± 0,3 mm.So that contact is ensured by piercing the cable insulation, the position of the individual wires (3a-3e, 6a, 6b) relative to the cable exterior must be precisely defined. Accordingly, the accuracy of the position of the centers of all the wires (3a-3e, 6a, 6b) relative to the cable exterior is at least ± 0.3 mm in the embodiments shown.

Fig. 2a zeigt eine Anschlußvorrichtung 11, in die ein durchgehendes Flachkabel 1 eingesetzt ist. Die Anschlußvorrichtung weist einen mit einem Längssteg 13 versehenen Isolierkörper 12 auf, der über zwei Schenkel 14, 15 mit Rippen 16, 17 in ein entsprechend geformtes Grundteil 18 mit Schenkeln 19, 20 eingreift.Fig. 2a shows a connection device 11, in which a continuous flat cable 1 is inserted. The connecting device has an insulating body 12 provided with a longitudinal web 13, which engages via two legs 14, 15 with ribs 16, 17 in a correspondingly shaped base part 18 with legs 19, 20.

Gut zu erkennen ist in Fig. 2a ferner, daß die Außengeometrie des Flachkabels 1 und die Innengeometrie eines Aufnahmeraumes 21 der Anschlußvorrichtung derart aufeinander abgestimmt sind, daß das Flachkabel 1 nur in einer definierten Lage in die Anschlußvorrichtung 11 einbringbar ist.2a that the outer geometry of the flat cable 1 and the inner geometry of a receiving space 21 of the connecting device are matched to one another such that the flat cable 1 can only be inserted into the connecting device 11 in a defined position.

Die Anschlußvorrichtung 11 weist in dem in Fig. 2a und 2b dargestellten Ausführungsbeispiel sieben Anschlußklemmen 22 auf, die je ein mit einer Spitze 23 zum Durchstechen einer Kabelisolation 24 - und bei den Datenadern 6a,6b auch der Schirmung 9 - versehenes Kontaktmittel, hier eine Kontakt schraube 25 haben. Diese ist wiederum jeweils mit einer der Adern 3a-3e, 6a,6b des Flachkabels 1 in Kontakt bringbar. Die zum Anschluß an die Datenübertragungsadern bestimmten Kontaktschrauben 25 weisen zusätzlich außen eine elektrische Isolation 26 im Bereich zwischen ihrem Gewindekörper 27 und ihrer Spitze 23 auf, die vor Kurzschlüssen zwischen Ader 6a,6b und Schirmung 9 schützt. Aus der Isolation 26 ragt die Spitze 23 in Form eines Metallstiftabschnitts heraus. Das Gewinde 27 der Schraube 25 dringt nicht in das Kabel ein. Die Köpfe 28 der Kontaktschrauben 25 sind von einem Isolierkragen 29 umgeben. Öffnungen 30, 30' stellen hier die Ankopplungsmittel dar; sie dienen zum unkomplizierten Einstecken von Zweigleitern.In the exemplary embodiment shown in FIGS. 2a and 2b, the connecting device 11 has seven connecting terminals 22, each with a contact means provided with a tip 23 for piercing a cable insulation 24 - and with the data wires 6a, 6b also the shield 9 - here a contact have screw 25. This can in turn be brought into contact with one of the wires 3a-3e, 6a, 6b of the flat cable 1. The contact screws 25 intended for connection to the data transmission wires additionally have electrical insulation 26 on the outside in the area between their threaded body 27 and their tip 23, which protects against short circuits between wire 6a, 6b and shielding 9. The tip 23 protrudes from the insulation 26 in the form of a metal pin section. The thread 27 of the screw 25 does not penetrate the cable. The heads 28 of the contact screws 25 are surrounded by an insulating collar 29. Make openings 30, 30 ' here are the coupling means; they are used to easily insert branch conductors.

Die Kontaktschrauben 25 sind in Längsrichtung des Flachkabels gegeneinander versetzt in die Anschlußvorrichtung 11 eingesetzt, so daß Kurzschlüsse und ähnliches vermieden werden. Daten- und Leistungsanschlüsse sind ferner klar voneinander getrennt.The contact screws 25 are inserted in the longitudinal direction of the flat cable offset from one another in the connection device 11, so that short circuits and the like are avoided. Data and power connections are also clearly separated.

Bei den weiteren Ausführungsbeispielen gemäß Fig. 3a und 3b ist zum Ankoppeln eines oder mehrerer Geräte jeweils eine Ankopplungsmittel-Einheit in einem zusätzlichen, separaten Gehäuse 31 bereitgestellt, die beispielsweise Bus-Transceiver zur Datenbus-Ankopplung und ein Relais zur Schaltung des Leistungsstroms umfaßt. Zur lösbaren Verbindung des Gehäuses 31 mit der Anschlußvorrichtung 11 dient eine Steckverbindung, die vorteilhaft durch Steckstifte 32 am Gehäuse 31 und Steckbuchsen 33 an der Anschlußvorrichtung 11 gebildet wird. Die Anordnung der Steckstifte 32 und Steckbuchsen 33 entspricht der Anordnung von (hier nicht gezeigten) Kontaktschrauben in der Anschlußvorrichtung 11. Sie ist hier an eine alternative Ausführungsform des Flachkabels 1 mit in der Mitte zwischen den Energieübertragungsadern verlaufenden Datenübertragungsadern angepaßt und weicht daher von der Ausführungsform nach Fig. 2b ab. Sie ist derart, daß ein Zusammenstecken von Gehäuse 31 und Anschlußvorrichtung 11 nur in einer einzigen, eindeutigen Relativorientierung möglich ist. Von dem Gehäuse 31 führt ein (nicht gezeigtes) Anschlußkabel zu dem angeschlossenen Gerät. Bei dem Ausführungsbeispiel gemäß Fig. 3a erfolgt das Einstecken des Gehäuses 31 in die Anschlußvorrichtung 11 von oben (bezogen auf ein horizontal liegendes Flachkabel 1). Das Gehäuse 31 entspricht in seinen Flächenabmessungen denen der Anschlußvorrichtung 11, so daß beide im zusammengesteckten Zustand einen kompakten Block bilden. Bei dem Ausführungsbeispiel gemäß Fig. 3b wird das Gehäuse 31 hingegen seitlich in die Anschlußvorrichtung 11 gesteckt. Die Steckverbindungen 32, 33 sind hier längs einer Geraden angeordnet; die Datensteckverbindung 32a, 33a ist jedoch von der Leistungssteckverbindung 32b, 33b abgesetzt, so daß hieraus eine eindeutige Einsteckorientierung folgt.In the further exemplary embodiments according to FIGS. 3a and 3b, a coupling means unit is provided in an additional, separate housing 31 for coupling one or more devices, which comprises, for example, bus transceivers for data bus coupling and a relay for switching the power current. For the detachable connection of the housing 31 to the connection device 11, a plug connection is used, which is advantageously formed by plug pins 32 on the housing 31 and sockets 33 on the connection device 11. The arrangement of the pins 32 and sockets 33 corresponds to the arrangement of contact screws (not shown here) in the connection device 11. It is here adapted to an alternative embodiment of the flat cable 1 with data transmission wires running in the middle between the energy transmission wires and therefore differs from the embodiment Fig. 2b. It is such that the housing 31 and the connecting device 11 can only be plugged together in a single, unambiguous relative orientation. A connecting cable (not shown) leads from the housing 31 to the connected device. In the exemplary embodiment according to FIG. 3a, the housing 31 is inserted into the connection device 11 from above (based on a horizontally lying flat cable 1). The dimensions of the housing 31 correspond to those of the connection device 11, so that both form a compact block when plugged together. In the embodiment according to FIG. 3b, however, the housing 31 is inserted laterally into the connection device 11. The plug connections 32, 33 are arranged here along a straight line; however, the data connector 32a, 33a is separated from the power connector 32b, 33b, so that this results in a clear insertion orientation.

Zusammengefaßt ergibt sich mit der Erfindung ein datenbusfähiges, abisolierfreies Installationssystem, welches aus dem Flachkabel 1 nebst den daran angepaßten Anschlußvorrichtungen bzw. -dosen 11 besteht. Die Erfindung ermöglicht eine Verlegung von Starkstrom- und Busleitungen und einen Anschluß daran in einem Arbeitsgang. Die Installation dieser Kabel in Hohldecken, Kanälen, Schächten und ähnlichen Hohlräumen wird damit erheblich beschleunigt. Die Anschlußvorrichtung 11 ermöglicht ein abisolierfreies Erstellen des Kontaktes zwischen Hauptleitungen und Stichleitungen, da sie neben den Starkstromanschlüssen zugleich über eine Datenbus-Anschlußmöglichkeit verfügt, mit deren Hilfe es möglich ist, elektrische und/oder elektronische Geräte wie z.B. Computer mit Befehlen oder Meldungen zu versorgen.In summary, the invention results in a data bus-compatible, stripping-free installation system, which consists of the flat cable 1 together with the matching connecting devices or sockets 11. The invention makes it possible to lay power lines and bus lines and to connect them in one operation. This considerably speeds up the installation of these cables in hollow ceilings, ducts, shafts and similar cavities. The connection device 11 enables a stripping-free creation of the contact between the main lines and stub lines, since in addition to the power connections, it also has a data bus connection option, with the aid of which it is possible to connect electrical and / or electronic devices such as Provide computers with commands or messages.

Claims (12)

Elektrisches Installationssystem, gebildet durch Flachkabel (1) und Anschlußvorrichtung (11), - bei welchem das Flachkabel (1) im wesentlichen in einer Ebene angeordnete Energieübertragungs- und Datenübertragungsadern (3a-3e; 6a,6b) aufweist, wobei die Datenübertragungsadern (6a,6b) nicht miteinander verdrillt sind, und - bei welchem die Anschlußvorrichtung (11) so ausgebildet ist, daß die Energieübertragungs- und Datenübertragungsadern (3a-3e; 6a,6b) abisolier frei durch Durchstechen einer Isolation (24) anschließbar sind. Electrical installation system, formed by flat cable (1) and connection device (11), - in which the flat cable (1) has energy transmission and data transmission wires (3a-3e; 6a, 6b) arranged essentially in one plane, the data transmission wires (6a, 6b) not being twisted together, and - In which the connection device (11) is designed so that the energy transmission and data transmission wires (3a-3e; 6a, 6b) can be stripped freely by piercing an insulation (24). Installationssystem nach Anspruch 1, bei welchem die den Datenübertragungsadern (6a,6b) benachbarte(n) Energieübertragungsader(n) (3e) als Schutzleiter oder Neutralleiter dient (dienen).Installation system according to Claim 1, in which the energy transmission wire (s) (3e) adjacent to the data transmission wires (6a, 6b) serves (serve) as a protective conductor or neutral conductor. Installationssystem nach Anspruch 1 oder 2, bei welchem die Datenübertragungsadern (6a,6b) abgeschirmt sind und die Anschlußvorrichtung (11) so ausgebildet ist, daß beim Anschließen der Datenübertragungsadern (6a,6b) auch die Schirmung (9) durchstochen wird.Installation system according to Claim 1 or 2, in which the data transmission cores (6a, 6b) are shielded and the connecting device (11) is designed such that the shielding (9) is pierced when the data transmission cores (6a, 6b) are connected. Installationssystem nach Anspruch 3, bei welchem die Schirmung (9) die Datenübertragungsadern (6a,6b) gemeinsam oder jeweils einzeln umschließt.Installation system according to Claim 3, in which the shield (9) encloses the data transmission wires (6a, 6b) together or individually. Installationssystem nach einem der Ansprüche 1 bis 4, bei welchem die Anschlußvorrichtung (11) eine der Anzahl der Adern (3a-3e,6a,6b) entsprechende Anzahl Kontaktmittel mit einer Spitze (23) zum Durchstechen der Isolation (24) und gegebenenfalls der Schirmung (9), insbesondere Kontaktschrauben (25), aufweist.Installation system according to one of Claims 1 to 4, in which the connection device (11) has a number of contact means, corresponding to the number of wires (3a-3e, 6a, 6b), with a tip (23) for piercing the insulation (24) and optionally the shielding (9), in particular contact screws (25). Installationssystem nach dem auf Anspruch 3 oder 4 rückbezogenen Anspruch 5, bei welchem die Kontaktmittel für die Datenübertragungsadern (6a,6b) eine elektrische Isolation aufweisen, welche vor Kurzschlüssen zwischen Ader (6a,6b) und Schirmung (9) schützt.Installation system according to claim 5 or 4, wherein the contact means for the data transmission wires (6a, 6b) have an electrical insulation which protects against short circuits between the wire (6a, 6b) and the shield (9). Installationssystem nach einem der Ansprüche 1 bis 6, bei welchem das Flachkabel (1) vier oder fünf Energieübertragungsadern (3a-3e) und wenigstens zwei Datenübertragungsadern (6a,6b) aufweist.Installation system according to one of Claims 1 to 6, in which the flat cable (1) has four or five energy transmission wires (3a-3e) and at least two data transmission wires (6a, 6b). Installationssystem nach einem der Ansprüche 1 bis 7, bei welchem die Außengeometrie des Flachkabels (1) und die Innengeometrie eines Aufnahmeraumes (21) der Anschlußvorrichtung (11) derart aufeinander abgestimmt sind, daß das Flachkabel (1) nur in einer definierten Lage in die Anschlußvorrichtung (11) einbringbar ist.Installation system according to one of Claims 1 to 7, in which the outer geometry of the flat cable (1) and the inner geometry of a receiving space (21) of the connection device (11) are matched to one another in such a way that the flat cable (1) only enters the connection device in a defined position (11) can be introduced. Installationssystem nach einem der Ansprüche 1 bis 8, bei welchem die Datenübertragungsadern (6a,6b) zu einem Datenkabelteil (5) und die Energieübertragungs adern (3a-3e) zu einem Leistungskabelteil (2) zusammengefaßt sind, wobei der Datenkabelteil (5) und der Leistungskabelteil (2) über einen Steg (4) miteinander verbunden sind.Installation system according to one of Claims 1 to 8, in which the data transmission wires (6a, 6b) are combined to form a data cable part (5) and the energy transmission wires (3a-3e) are combined to form a power cable part (2), the data cable part (5) and the Power cable part (2) are connected to each other via a web (4). Installationssystem nach einem der Ansprüche 1 bis 9, bei welchem die Anschlußvorrichtung (11) so ausgebildet ist, daß mit ihr das Flachkabel (1) als durchgehendes Kabel angezapft werden kann.Installation system according to one of Claims 1 to 9, in which the connection device (11) is designed in such a way that the flat cable (1) can be tapped with it as a continuous cable. Installationssystem nach einem der Ansprüche 1 bis 10, bei welchem die Anschlußvorrichtung (11) Leistungsstrom-Ankopplungsmittel und Datenbus-Ankopplungsmittel aufweist.Installation system according to one of Claims 1 to 10, in which the connecting device (11) has power current coupling means and data bus coupling means. Installationssystem nach Anspruch 11, bei welchem die Ankopplungsmittel elektronische, elektromechanische und/oder optische Koppeleinrichtungen umfassen, die in wenigstens einem gesonderten, mit der Anschlußvorrichtung verbindbaren Gehäuse (31) untergebracht sind.Installation system according to Claim 11, in which the coupling means comprise electronic, electromechanical and / or optical coupling devices which are accommodated in at least one separate housing (31) which can be connected to the connecting device.
EP94120622A 1994-01-31 1994-12-23 Electrical wiring system Expired - Lifetime EP0665608B1 (en)

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Also Published As

Publication number Publication date
DE4402837A1 (en) 1995-08-03
US6027367A (en) 2000-02-22
EP0665608A3 (en) 1996-12-04
JPH07263107A (en) 1995-10-13
DE59408860D1 (en) 1999-12-02
EP0665608B1 (en) 1999-10-27
JP2963359B2 (en) 1999-10-18
DE4402837C2 (en) 1998-08-06

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