EP0130531B1 - Device for the connection of cables to the terminals of printed circuit boards - Google Patents

Device for the connection of cables to the terminals of printed circuit boards Download PDF

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Publication number
EP0130531B1
EP0130531B1 EP84107320A EP84107320A EP0130531B1 EP 0130531 B1 EP0130531 B1 EP 0130531B1 EP 84107320 A EP84107320 A EP 84107320A EP 84107320 A EP84107320 A EP 84107320A EP 0130531 B1 EP0130531 B1 EP 0130531B1
Authority
EP
European Patent Office
Prior art keywords
circuit boards
printed circuit
rear wall
cables
fastened
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.)
Expired
Application number
EP84107320A
Other languages
German (de)
French (fr)
Other versions
EP0130531A2 (en
EP0130531A3 (en
Inventor
Gernot Ing. Grad. Steuernagel
Willy Dipl.-Ing. Bohnenberger
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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 Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Priority to AT84107320T priority Critical patent/ATE29806T1/en
Publication of EP0130531A2 publication Critical patent/EP0130531A2/en
Publication of EP0130531A3 publication Critical patent/EP0130531A3/en
Application granted granted Critical
Publication of EP0130531B1 publication Critical patent/EP0130531B1/en
Expired 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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/75—Coupling devices for rigid printing circuits or like structures connecting to cables except for flat or ribbon cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • 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
    • H01R4/02—Soldered or welded connections
    • 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
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot

Definitions

  • the invention relates to a device for connecting cables to the connections of printed circuit boards which carry electronic components and are arranged in magazines parallel to one another.
  • Printed circuit boards with electrical or electronic components are often connected in devices with a backplane wiring board on which the conductor tracks for the mutual connection of the connections of the individual printed circuit boards are arranged. Lines or cables to external units or devices also extend from the backplane wiring board.
  • the backplane wiring board which is formed, for example, in multilayer technology, can be provided with press-in pins which, if necessary, form contacts with metallized holes in the backplane wiring board.
  • the press-in pins protrude beyond the PCB levels on both sides.
  • frames each surround parallel rows of press-fit pins which are arranged at a distance from one another which is defined for plug connectors. The frames serve as a guide for female connectors that are connected to the circuit boards.
  • spacers are arranged at the ends of the parallel rows of press-in pins, on each of which further frames are fastened, which surround the ends of the press-in pins projecting beyond the spacers.
  • Wire-wrap connections can be arranged on the sections of the press-in pins running between the rear wall wiring plate and the underside of the frame.
  • the frames form guides for plug elements that are attached to the ends of the press-in pins.
  • the effort for connecting the circuit boards carrying the electronic components to cables is relatively great in the arrangement described above.
  • the frames provided for the connection of the cable plugs can mainly only be used together with the press-in pins in backplane wiring boards.
  • the invention has for its object to develop a device for the connection of cables to printed circuit boards equipped with electronic components, which enables the connection of cables with the front end faces and / or the rear end faces of the printed circuit boards with the least possible effort.
  • the guide frames placed on the backplane wiring board are empty housings for male connectors. Therefore, commercially available parts are used for the connection of the printed circuit boards with the backplane wiring board and the cable plugs, which parts are also used to a large extent for the production of connections. This enables a particularly economical solution to be achieved. If the external connections possible on one end of the printed circuit board are not sufficient, the other end can also be provided with a male connector, which replaces the usual front plates in conjunction with a guide frame.
  • the guide frame is screwed onto the horizontal mounting rails.
  • the guide frame that surrounds the male connector on the front of the respective circuit board is a part that may not be as versatile as the other components for making the connections from the circuit boards to the backplane wiring board or to the cable connectors.
  • the spring strips which can be inserted into the guide frame are designed with cutting elements for the connection of wires using insulation displacement technology.
  • the individual wires of the round conductor cables to be connected can be connected efficiently and quickly using the cable connectors described above. It is possible to connect incoming and outgoing lines using, for example, 64-pin cable connectors.
  • a backplane wiring board 1 contains parallel rows of holes 2 in one in front given distance from each other. The distance corresponds to the division of pins 3 of a male connector 4.
  • the male connector 4 contains parallel rows of straight pins 3, one of which is shown in detail in the drawing. Holes 5 are provided at both ends of the male connector 4 and run parallel to the pins 3. By means of screws 6 inserted into the holes, the male connector 4 is fastened to the backplane 1. In the assembled state, the pins 3 protrude beyond the surface of the backplane wiring board 1.
  • Printed circuit boards 7, which carry electrical or electronic components, are inserted into the male connector 4 with female connectors 8, each of which is attached to the rear side of the male connector 4.
  • the ends of the pins 3 which protrude above the surface of the backplane wiring board 1 are surrounded in parallel rows by a guide frame 9 for male connectors.
  • the guide frames 9 have holes 10 through which the pins 3 protrude.
  • the screws 6 and nuts (not shown in more detail) serve at the same time for fastening the guide frames 9 to the rear wall wiring board 1.
  • the guide frames 9 have on their sides elongated projections 11 with recesses 12, into which locking hooks 13 with their fork-shaped ends 14 are inserted.
  • the guide frame 9 with the ends of the pins 3 projecting beyond the holes 10 is combined with a second female connector 15, which has cutting elements 16 protruding to one side for the connection of wires using insulation displacement technology.
  • a wire guide element 17 is fastened to the second female connector 15 and contains channels, not shown, which end at the locations of the cutting elements 16.
  • the free ends of the wires 18 of a cable 19 are inserted into the channels and can be laid to external units or devices.
  • the second female connector 15 contains recesses 20 in the long sides.
  • Two cable housing half-shells 21, 22 have projections 23 which engage in the recesses 20 when the cable housing half-shells 21, 22 are placed against one another above the female connector 15 and the wire guide element 17.
  • latching elements of the housing half-shells which are not specified, engage in one another and bring about a firm connection between the housing half-shells 21, 22 and the second female connector 15 or the wire guide element 17.
  • recesses 24 are provided for the passage of the cables 19. Furthermore, there are clamping elements 25 for the cables 19 in the housing half-shells 21, 22.
  • a number of male connectors 4 and guide frames 9 corresponding to the number of printed circuit board locations is fastened on the rear wall wiring board 1. For the sake of clarity, these parts are only shown once in FIG. 1. If necessary, the circuit boards 7 are inserted into the corresponding circuit board slots. Connections between pins 3 of different male connectors 4 can be produced via the plated-through holes 2, which are connected to conductor tracks (not shown) of the backplane wiring board. If necessary, a multilayer board is used as the backplane wiring board.
  • the housing half-shells 21, 22 are provided with lateral projections 49, which have recesses for receiving the ends of the locking hooks 13, which are held with locking lugs 26.
  • the male connector 4 and the guide frame 9 are commercially available, widely used components that are not only used for backplane wiring boards. These components can be obtained inexpensively. Therefore, the device for connecting the cables to the circuit boards 7 can be produced economically.
  • second male connectors 28 can be attached to the front faces 27 of the printed circuit boards 7 if the number of connections on the rear face 29 is not sufficient.
  • the second male connector 28 is surrounded by a second guide frame 30, the dimensions of which are adapted to the front panels 31 of rear-wall wiring panels, which are usually fastened to rails 32.
  • the second guide frame 30 contains at its ends 33, 34 recesses 35 for receiving inserts with which it is screwed onto the rails 32.
  • the attachment can be carried out by means of screws and threaded strips, which are inserted into grooves in the rails 32, which are not described in more detail.
  • the recesses 35 are preferably elongated and serve to receive an elastic intermediate piece 36, which is connected to the threaded strip 38 by means of the screws 37.
  • the second guide frame 30 surrounds the second male connector 28, the male pins 39 of which engage in springs of a third female connector 40 which is connected to the second male connector 28.
  • the structure of the third female connector 40 corresponds to that of the second female connector 15. The same elements on these female connectors 15 and 40 have therefore been given the same reference numbers.
  • a second wire guide element 41 is placed on the third female connector 40, the structure of which corresponds to that of the first wire guide element 17.
  • the second wire guide element 41 contains channels into which the free ends of wires 43 are inserted.
  • the wires 43 run to the point at which they are connected to the cutting elements 16 using insulation displacement technology.
  • the wires belong to a cable 44 which runs to external units or to other connection points on the front or the back of the printed circuit boards 7.
  • the third female connector 40 and the second wire guide element 41 are held in their combined state by two housing half-shells 45, 46.
  • the housing half-shells 45, 46 correspond in construction to the housing half-shells 21, 22. In recesses 47 of lateral projections of the housing half-shells 45, 46 locking hooks 13 can be used, the fork engage shaped ends in recesses 48 of the second guide frame 30.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Saccharide Compounds (AREA)
  • Luminescent Compositions (AREA)
  • Radiation-Therapy Devices (AREA)
  • Control Of El Displays (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)

Abstract

In order to connect cables to printed circuit boards disposed in an equipment housing, the back ends of the printed circuit boards are equipped with female multi-point connectors. The female multi-point connectors are inserted into male multi-point connectors which are fastened to the front side of a rear wall panel extending transversely to the printed wiring boards. The male multi-point connectors have straight pins which extend through holes in the rear wall panel and project beyond the back side of the rear wall panel. Guide frames for female multi-point connectors are mounted on the back side of the rear wall panel and surround rows of projecting pins. The female multi-point connectors are connected to cables and inserted into the guide frames, thereby electrically connecting the cables to the printed circuit boards. If desired, male multi-point connectors may be fastened to the front ends of the printed circuit boards, and these male multi-point connectors are enclosed by guide frames whose dimensions are matched to the dimensions of the front plates which would otherwise be attached to the printed circuit boards. The printed circuit boards can then be mounted within the equipment housing via the guide frames.

Description

Die Erfindung bezieht sich auf eine Vorrichtung für die Verbindung von Kabeln mit den Anschlüssen von Leiterplatten, die elektronische Bauelemente tragen und in Magazinen parallel zueinander angeordnet sind.The invention relates to a device for connecting cables to the connections of printed circuit boards which carry electronic components and are arranged in magazines parallel to one another.

Leiterplatten mit elektrischen bzw. elektronischen Bauelementen werden häufig in Geräten jeweils mit einer Rückwandverdrahtungsplatte verbunden, auf der die Leiterbahnen für die gegenseitige Verbindung der Anschlüsse der einzelnen Leiterplatten angeordnet sind. Von der Rückwandverdrahtungsplatte gehen auch Leitungen bzw. Kabel zu externen Einheiten oder Geräten aus.Printed circuit boards with electrical or electronic components are often connected in devices with a backplane wiring board on which the conductor tracks for the mutual connection of the connections of the individual printed circuit boards are arranged. Lines or cables to external units or devices also extend from the backplane wiring board.

Die Rückwandverdrahtungsplatte, die z.B, in Multilayer-Technik gebildet ist, kann mit Einpressstiften versehen werden, die bedarfsweise mit metallisierten Bohrungen der Rückwandverdrahtungsplatte Kontakte bilden. Die Einpressstifte ragen über die beiderseitigen Leiterplattenebenen hinaus. Auf derjenigen Seite der Rückwandverdrahtungsplatte, die den elektronische Bauelemente tragenden Leiterplatten zugewandt ist, umgeben Rahmen jeweils parallele Reihen von Einpressstiften, die in einem für Steckverbinder festgelegten Abstand voneinander angeordnet sind. Die Rahmen dienen als Führung für Federleisten, die mit den Leiterplatten verbunden sind. Auf der den Leiterplatten abgewandten Seite der Rückwandverdrahtungsplatte sind an den Enden der parallelen Reihen von Einpressstiften Abstandshalter angeordnet, auf denen jeweils weitere Rahmen befestigt sind, die die über die Abstandshalter hinausragenden Enden der Einpressstifte umgeben. Auf den zwischen der Rückwandverdrahtungsplatte und der Unterseite der Rahmen verlaufenden Abschnitten der Einpressstifte können Wire-Wrap-Verbindungen angeordnet sein. Die Rahmen bilden Führungen für Steckerelemente, die auf die Enden der Einpressstifte aufgesteckt werden.The backplane wiring board, which is formed, for example, in multilayer technology, can be provided with press-in pins which, if necessary, form contacts with metallized holes in the backplane wiring board. The press-in pins protrude beyond the PCB levels on both sides. On the side of the backplane wiring board which faces the printed circuit boards carrying the electronic components, frames each surround parallel rows of press-fit pins which are arranged at a distance from one another which is defined for plug connectors. The frames serve as a guide for female connectors that are connected to the circuit boards. On the side of the backplane wiring board facing away from the printed circuit boards, spacers are arranged at the ends of the parallel rows of press-in pins, on each of which further frames are fastened, which surround the ends of the press-in pins projecting beyond the spacers. Wire-wrap connections can be arranged on the sections of the press-in pins running between the rear wall wiring plate and the underside of the frame. The frames form guides for plug elements that are attached to the ends of the press-in pins.

Der Aufwand für die Verbindung der die elektronischen Bauelemente tragenden Leiterplatten mit Kabeln ist bei der vorstehend beschriebenen Anordnung relativ gross. Die für den Anschluss der Kabelstecker vorgesehenen Rahmen sind hauptsächlich nur zusammen mit den Einpressstiften in Rückwandverdrahtungsplatten einsetzbar.The effort for connecting the circuit boards carrying the electronic components to cables is relatively great in the arrangement described above. The frames provided for the connection of the cable plugs can mainly only be used together with the press-in pins in backplane wiring boards.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung für den Anschluss von Kabeln an mit elektronischen Bauelementen bestückten Leiterplatten zu entwickeln, die bei möglichst geringem Aufwand einen Anschluss von Kabeln mit den vorderen Stirnseiten und/oder den rückwärtigen Stirnseiten der Leiterplatten ermöglicht.The invention has for its object to develop a device for the connection of cables to printed circuit boards equipped with electronic components, which enables the connection of cables with the front end faces and / or the rear end faces of the printed circuit boards with the least possible effort.

Die Aufgabe wird erfindungsgemäss durch die im Anspruch 1 beschriebenen Massnahmen gelöst.According to the invention, the object is achieved by the measures described in claim 1.

Die auf die Rückwandverdrahtungsplatte aufgesetzten Führungsrahmen sind Leergehäuse von Messerleisten. Es werden deshalb für die Verbindung der Leiterplatten mit der Rückwandverdrahtungsplatte und den Kabelsteckern kommerziell verfügbare Teile eingesetzt, die in grösserem Umfang auch noch anderweitig für die Herstellung von Verbindungen verwendet werden. Damit lässt sich eine besonders wirtschaftliche Lösung erreichen. Falls die auf einer Stirnseite der Leiterplatte möglichen externen Anschlüsse nicht ausreichen, kann auch noch die andere Stirnseite mit einer Messerleiste versehen werden, die in Verbindung mit einem Führungsrahmen an die Stelle der üblichen Frontplatten tritt. Der Führungsrahmen wird an den horizontalen Tragschienen angeschraubt. Der Führungsrahmen, der die Messerleiste an der Vorderseite der jeweiligen Leiterplatte umgibt, ist ein Teil, das unter Umständen nicht so vielseitig verwendbar ist wie die übrigen Bauelemente für die Herstellung der Verbindungen von den Leiterplatten zu der Rückwandverdrahtungsplatte bzw. zu den Käbelsteckern. Da für die Rückwandverdrahtungsplatte nur kommerziell verfügbare, kostengünstige Messerleisten und Leergehäuse benötigt werden, um die Anschlussmöglichkeit für Kabel zu schaffen, ist es zweckmässig, die Rückwandverdrahtungsplatten an allen Leiterplattenplätzen mit diesen Bauelementen auszustatten, auch wenn nicht alle Leiterplattenplätze im jeweiligen Gerät von Anfang an mit Leiterplatten besetzt werden. Der Aufwand, der sich für die Bestückung aller Leiterplattenplätze mit Verbindungselementen ergibt, ist wesentlich geringer als der für eine nachträgliche Erweiterung erforderliche Aufwand, wenn das Gerät erweitert werden soll und zusätzliche Leiterplatten in die vorhandenen Leerstellen eingesetzt werden müssen.The guide frames placed on the backplane wiring board are empty housings for male connectors. Therefore, commercially available parts are used for the connection of the printed circuit boards with the backplane wiring board and the cable plugs, which parts are also used to a large extent for the production of connections. This enables a particularly economical solution to be achieved. If the external connections possible on one end of the printed circuit board are not sufficient, the other end can also be provided with a male connector, which replaces the usual front plates in conjunction with a guide frame. The guide frame is screwed onto the horizontal mounting rails. The guide frame that surrounds the male connector on the front of the respective circuit board is a part that may not be as versatile as the other components for making the connections from the circuit boards to the backplane wiring board or to the cable connectors. Since only commercially available, inexpensive male connectors and empty housings are required for the backplane wiring board in order to create the connection option for cables, it is advisable to equip the backplane wiring boards with these components at all board locations, even if not all board locations in the respective device are equipped with boards from the start to be occupied. The effort that is required to equip all circuit board slots with connecting elements is significantly less than the effort required for subsequent expansion if the device is to be expanded and additional circuit boards have to be inserted into the existing empty spaces.

Bei einer bevorzugten Ausführungsform ist vorgesehen, dass die in die Führungsrahmen einsteckbaren Federleisten mit Schneidelementen für den Anschluss von Drähten in Schneid-Klemm-Technik ausgebildet sind. Die einzelnen Adern der anzuschliessenden Rundleiterkabel lassen sich mit den vorstehend beschriebenen Kabelsteckern rationell und schnell verbinden. Es ist dabei möglich, zu- und abgehende Leitungen über beispielsweise 64polige Kabelstecker anzuschliessen.In a preferred embodiment it is provided that the spring strips which can be inserted into the guide frame are designed with cutting elements for the connection of wires using insulation displacement technology. The individual wires of the round conductor cables to be connected can be connected efficiently and quickly using the cable connectors described above. It is possible to connect incoming and outgoing lines using, for example, 64-pin cable connectors.

Vorteilhafte Ausgestaltungen und Weiterbildungen der in den Ansprüchen 1 und 2 angegebenen Massnahmen sind in den Ansprüchen 3 und 4 beschrieben.Advantageous refinements and developments of the measures specified in claims 1 and 2 are described in claims 3 and 4.

Die Erfindung wird im folgenden an Hand eines in einer Zeichnung dargestellten Ausführungsbeispiels näher erläutert, aus dem sich weitere Vorteile ergeben.The invention is explained in more detail below with reference to an embodiment shown in a drawing, from which further advantages result.

Es zeigen

  • Figur 1 eine perspektivische Ansicht einer Vorrichtung für den Anschluss von Kabeln an die rückwärtigen Stirnseiten von Leiterplatten in aus: einandergezogenem Zustand,
  • Figur 2 eine perspektivische Ansicht einer Vorrichtung für den Anschluss von Kabeln an die vorderen Stirnseiten von Leiterplatten in auseinandergezogenem Zustand.
Show it
  • FIG. 1 shows a perspective view of a device for connecting cables to the rear end faces of printed circuit boards in the pulled-apart state,
  • Figure 2 is a perspective view of a device for connecting cables to the front faces of printed circuit boards in an exploded state.

Eine Rückwandverdrahtungsplatte 1 enthält parallele Reihen von Löchern 2, die in einem vorgegebenen Abstand voneinander angeordnet sind. Der Abstand entspricht der Teilung von Stiften 3 einer Messerleiste 4. Die Messerleiste 4 enthält parallele Reihen von geraden Stiften 3, von denen einer im einzelnen in der Zeichnung dargestellt ist. An den beiden Enden der Messerleiste 4 sind Löcher 5 vorgesehen, die parallel zu den Stiften 3 verlaufen. Mittels in die Löcher eingesetzter Schrauben 6 wird die Messerleiste 4 an der Rückwandleiterplatte 1 befestigt. In montiertem Zustand ragen die Stifte 3 über die Oberfläche der Rückwandverdrahtungsplatte 1 hinaus. In die Messerleiste 4 sind Leiterplatten 7, die elektrische bzw. elektronische Bauelemente tragen, mit Federleisten 8 eingesteckt, die jeweils an der rückwärtigen Seite der Messerleiste 4 befestigt sind.A backplane wiring board 1 contains parallel rows of holes 2 in one in front given distance from each other. The distance corresponds to the division of pins 3 of a male connector 4. The male connector 4 contains parallel rows of straight pins 3, one of which is shown in detail in the drawing. Holes 5 are provided at both ends of the male connector 4 and run parallel to the pins 3. By means of screws 6 inserted into the holes, the male connector 4 is fastened to the backplane 1. In the assembled state, the pins 3 protrude beyond the surface of the backplane wiring board 1. Printed circuit boards 7, which carry electrical or electronic components, are inserted into the male connector 4 with female connectors 8, each of which is attached to the rear side of the male connector 4.

Die über die Oberfläche der Rückwandverdrahtungsplatte 1 hinausragenden Enden der Stifte 3 sind in parallelen Reihen von einem Führungsrahmen 9 für Messerleisten umgeben. Die Führungsrahmen 9 haben Löcher 10, durch die die Stifte 3 hindurchragen. Die Schrauben 6 und nicht näher dargestellte Muttern dienen gleichzeitig zur Befestigung der Führungsrahmen 9 an der Rückwandverdrahtungsplatte 1. Die Führungsrahmen 9 weisen an ihren Seiten längliche Vorsprünge 11 mit Ausnehmungen 12 auf, in die Verriegelungshaken 13 mit ihren gabelförmigen Enden 14 eingesetzt werden. Der Führungsrahmen 9 mit den über die Löcher 10 hinausragenden Enden der Stifte 3 wird mit einer zweiten Federleiste 15 vereinigt, die nach einer Seite vorstehende Schneidelemente 16 für den Anschluss von Drähten in Schneid-Klemm-Technik aufweist. An der zweiten Federleiste 15 wird ein Drahtführungselement 17 befestigt, das nicht näher dargestellte Kanäle enthält, die an den Stellen der Schneidelemente 16 enden. In die Kanäle werden die freien Enden der Drähte 18 eines Kabels 19 eingesteckt, das zu externen Einheiten oder Geräten verlegt sein kann. Die zweite Federleiste 15 enthält Ausnehmungen 20 in den Längsseiten. Zwei Kabelgehäusehalbschalen 21, 22 weisen Vorsprünge 23 auf, die in die Ausnehmungen 20 eingreifen, wenn die Kabelgehäusehalbschalen 21, 22 über der Federleiste 15 und dem Drahtführungselement 17 aneinandergelegt werden. Dabei greifen nicht näher bezeichnete Rastelemente der Gehäusehalbschalen ineinander und bewirken eine feste Verbindung zwischen den Gehäusehalbschalen 21, 22 und der zweiten Federleiste 15 bzw. dem Drahtführungselement 17. In den Gehäusehalbschalen 21, 22 sind Ausnehmungen 24 für den Durchlass der Kabel 19 vorgesehen. Weiterhin befinden sich in den Gehäusehalbschalen 21, 22 Einspannelemente 25 für die Kabel 19.The ends of the pins 3 which protrude above the surface of the backplane wiring board 1 are surrounded in parallel rows by a guide frame 9 for male connectors. The guide frames 9 have holes 10 through which the pins 3 protrude. The screws 6 and nuts (not shown in more detail) serve at the same time for fastening the guide frames 9 to the rear wall wiring board 1. The guide frames 9 have on their sides elongated projections 11 with recesses 12, into which locking hooks 13 with their fork-shaped ends 14 are inserted. The guide frame 9 with the ends of the pins 3 projecting beyond the holes 10 is combined with a second female connector 15, which has cutting elements 16 protruding to one side for the connection of wires using insulation displacement technology. A wire guide element 17 is fastened to the second female connector 15 and contains channels, not shown, which end at the locations of the cutting elements 16. The free ends of the wires 18 of a cable 19 are inserted into the channels and can be laid to external units or devices. The second female connector 15 contains recesses 20 in the long sides. Two cable housing half-shells 21, 22 have projections 23 which engage in the recesses 20 when the cable housing half-shells 21, 22 are placed against one another above the female connector 15 and the wire guide element 17. In this case, latching elements of the housing half-shells, which are not specified, engage in one another and bring about a firm connection between the housing half-shells 21, 22 and the second female connector 15 or the wire guide element 17. In the housing half-shells 21, 22, recesses 24 are provided for the passage of the cables 19. Furthermore, there are clamping elements 25 for the cables 19 in the housing half-shells 21, 22.

Auf der Rückwandverdrahtungsplatte 1 ist eine der Anzahl der Leiterplattenplätze entsprechende Zahl von Messerleisten 4 und Führungsrahmen 9 befestigt. Der Übersichtlichkeit wegen sind diese Teile in Fig. 1 nur einmal dargestellt. Bedarfsweise werden die Leiterplatten 7 in die entsprechenden Leiterplattenplätze eingesetzt. Über die durchkontaktierten Löcher 2, die mit nicht dargestellten Leiterbahnen der Rückwandverdrahtungsplatte verbunden sind, können Verbindungen zwischen Stiften 3 von verschiedenen Messerleisten 4 erzeugt werden. Gegebenenfalls wird als Rückwandverdrahtungsplatte eine Multilayer-Platte verwendet.A number of male connectors 4 and guide frames 9 corresponding to the number of printed circuit board locations is fastened on the rear wall wiring board 1. For the sake of clarity, these parts are only shown once in FIG. 1. If necessary, the circuit boards 7 are inserted into the corresponding circuit board slots. Connections between pins 3 of different male connectors 4 can be produced via the plated-through holes 2, which are connected to conductor tracks (not shown) of the backplane wiring board. If necessary, a multilayer board is used as the backplane wiring board.

Die Gehäusehalbschalen 21, 22 sind mit seitlichen Vorsprüngen 49 versehen, die Aussparungen zur Aufnahme der Enden der Verriegelungshaken 13 haben, die mit Rastnasen 26 gehalten werden. Bei der Messerleiste 4 und dem Führungsrahmen 9 handelt es sich um kommerziell verfügbare, in grossem Umfang verwendete Bauteile, die nicht nur für Rückwandverdrahtungsplatten eingesetzt werden. Diese Bauteile sind kostengünstig zu erhalten. Daher lässt sich die Vorrichtung für den Anschluss der Kabel an die Leiterplatten 7 wirtschaftlich herstellen.The housing half-shells 21, 22 are provided with lateral projections 49, which have recesses for receiving the ends of the locking hooks 13, which are held with locking lugs 26. The male connector 4 and the guide frame 9 are commercially available, widely used components that are not only used for backplane wiring boards. These components can be obtained inexpensively. Therefore, the device for connecting the cables to the circuit boards 7 can be produced economically.

An den vorderen Stirnseiten 27 der Leiterplatten 7 können bedarfsweise zweite Messerleisten 28 befestigt sein, wenn die Anzahl der Anschlüsse an der hinteren Stirnseite 29 nicht ausreicht. Die zweite Messerleiste 28 ist von einem zweiten Führungsrahmen 30 umgeben, dessen Abmessungen an die Frontplatten 31 von Rückwandverdrahtungsplatten angepasst ist, die üblicherweise an Schienen 32 befestigt sind. Der zweite Führungsrahmen 30 enthält an seinen Enden 33, 34 Aussparungen 35 zur Aufnahme von Einsätzen, mit denen er an den Schienen 32 angeschraubt wird. Die Befestigung kann mittels Schrauben und Gewindeleisten erfolgen, die in nicht näher bezeichnete Nuten der Schienen 32 eingesetzt sind. Vorzugsweise sind die Aussparungen 35 länglich ausgebildet und dienen zur Aufnahme eines elastischen Zwischenstücks 36, das mittels der Schrauben 37 mit der Gewindeleiste 38 verbunden wird. Der zweite Führungsrahmen 30 umgibt die zweite Messerleiste 28, deren Messerstifte 39 in Federn einer dritten Federleiste 40 eingreifen, die mit der zweiten Messerleiste 28 verbunden wird. Die dritte Federleiste 40 entspricht im Aufbau der zweiten Federleiste 15. Gleiche Elemente an diesen Federleisten 15 und 40 wurden daher mit gleichen Bezugsziffern versehen.If necessary, second male connectors 28 can be attached to the front faces 27 of the printed circuit boards 7 if the number of connections on the rear face 29 is not sufficient. The second male connector 28 is surrounded by a second guide frame 30, the dimensions of which are adapted to the front panels 31 of rear-wall wiring panels, which are usually fastened to rails 32. The second guide frame 30 contains at its ends 33, 34 recesses 35 for receiving inserts with which it is screwed onto the rails 32. The attachment can be carried out by means of screws and threaded strips, which are inserted into grooves in the rails 32, which are not described in more detail. The recesses 35 are preferably elongated and serve to receive an elastic intermediate piece 36, which is connected to the threaded strip 38 by means of the screws 37. The second guide frame 30 surrounds the second male connector 28, the male pins 39 of which engage in springs of a third female connector 40 which is connected to the second male connector 28. The structure of the third female connector 40 corresponds to that of the second female connector 15. The same elements on these female connectors 15 and 40 have therefore been given the same reference numbers.

Auf die dritte Federleiste 40 wird ein zweites Drahtführungselement 41 aufgesetzt, dessen Aufbau demjenigen des ersten Drahtführungselements 17 entspriche. Das zweite Drahtführungselement 41 enthält Kanäle, in die die freien Enden von Drähten 43 eingeführt sind. Die Drähte 43 verlaufen bis zu Stellen, an denen sie mit den Schneidelementen 16 in Schneid-Klemm-Technik verbunden sind. Die Drähte gehören zu einem Kabel 44, das zu externen Einheiten oder zu anderen Verbindungsstellen auf der Vorderseite oder der Rückseite der Leiterplatten 7 verläuft. Die dritte Federleiste 40 und das zweite Drahtführungselement 41 werden von zwei Gehäusehalbschalen 45, 46 in deren vereinigtem Zustand gehalten. Die Gehäusehalbschalen 45, 46 stimmen im Aufbau mit den Gehäusehalbschalen 21, 22 überein. In Aussparungen 47 von seitlichen Vorsprüngen der Gehäusehalbschalen 45, 46 sind Verriegelungshaken 13 einsetzbar, deren gabelförmige Enden in Ausnehmungen 48 des zweiten Führungsrahmens 30 eingreifen.A second wire guide element 41 is placed on the third female connector 40, the structure of which corresponds to that of the first wire guide element 17. The second wire guide element 41 contains channels into which the free ends of wires 43 are inserted. The wires 43 run to the point at which they are connected to the cutting elements 16 using insulation displacement technology. The wires belong to a cable 44 which runs to external units or to other connection points on the front or the back of the printed circuit boards 7. The third female connector 40 and the second wire guide element 41 are held in their combined state by two housing half-shells 45, 46. The housing half-shells 45, 46 correspond in construction to the housing half-shells 21, 22. In recesses 47 of lateral projections of the housing half-shells 45, 46 locking hooks 13 can be used, the fork engage shaped ends in recesses 48 of the second guide frame 30.

Claims (5)

1. Device for the connection of cables with the terminals of conductor plates (7), which carry electronic components and are arranged one parallelly to the other, characterised thereby, that the conductor plates (7) at their rearward sides (29) display spring strips (8), which are insertable into blade strips (4), which are fastened at a rear wall wiring plate (1) extending transversely to the conductor plates (7) and contain straight pins (3), which project through holes (2) in the rear wall wiring plate (1), that those ends of the pins (3), which project beyond the rear wall wiring plate (1), are surrounded row-by-row by guide frames (9) for second spring strips (15), that these second spring strips (15) are connected to cables (19) and pluggable into the guide frames (9) and that second blade strips (28), which are surrounded by a second guide frame (30) matched to the dimensions of the front plates (31 ) of rear wall wiring plates, are selectably fastened at the front end faces (27) of the conductor plates (7).
2. Device according to claim 1, characterised thereby, that the second or third spring strips (15, 40), which are pluggable into the first-and second guide frames (9, 30), are constructed with cutting elements (16) for the connection of wires (18, 43) in cutting-clamping technique.
3. Device according to claim 1 or 2, characterised thereby, that the second or third spring strips (15, 40), which are connected with a wire distribution element (17, 41), are surrounded by a housing which consists of two half housing shells (21, 22; 45, 46) standing in detent connection each with the other.
4. Device according to claim 3, characterised thereby, that one half housing shell (22; 46) displays a lateral projection (25) with recesses (47), into which latching hooks (13) are insertable, by which the housing is latchable to the guide frame (9; 30).
5. Device according to one of the preceding claims, characterised thereby, that the second guide frame (30), which is fastened to the conductor plate (7), contains elongate recesses (35) into which spring elements (36) are insertable, by way of which the conductor plate (7) is connected with transverse rails (32).
EP84107320A 1983-06-25 1984-06-22 Device for the connection of cables to the terminals of printed circuit boards Expired EP0130531B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84107320T ATE29806T1 (en) 1983-06-25 1984-06-22 DEVICE FOR CONNECTING CABLES TO THE TERMINALS OF CIRCUIT BOARDS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19833323029 DE3323029A1 (en) 1983-06-25 1983-06-25 DEVICE FOR CONNECTING CABLES TO CONNECTING PCBS
DE3323029 1983-06-25

Publications (3)

Publication Number Publication Date
EP0130531A2 EP0130531A2 (en) 1985-01-09
EP0130531A3 EP0130531A3 (en) 1985-10-02
EP0130531B1 true EP0130531B1 (en) 1987-09-16

Family

ID=6202461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84107320A Expired EP0130531B1 (en) 1983-06-25 1984-06-22 Device for the connection of cables to the terminals of printed circuit boards

Country Status (7)

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US (1) US4557541A (en)
EP (1) EP0130531B1 (en)
AT (1) ATE29806T1 (en)
CA (1) CA1213677A (en)
DE (2) DE3323029A1 (en)
ES (1) ES533643A0 (en)
FI (1) FI75077C (en)

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WO2019241100A1 (en) * 2018-06-15 2019-12-19 Siemens Mobility, Inc. Vital relay assembly with modular solid-state current-limiting

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Also Published As

Publication number Publication date
CA1213677A (en) 1986-11-04
DE3466329D1 (en) 1987-10-22
FI842212A0 (en) 1984-06-01
DE3323029A1 (en) 1985-01-03
EP0130531A2 (en) 1985-01-09
ATE29806T1 (en) 1987-10-15
FI75077B (en) 1987-12-31
ES8503467A1 (en) 1985-03-01
ES533643A0 (en) 1985-03-01
FI75077C (en) 1988-04-11
EP0130531A3 (en) 1985-10-02
FI842212A (en) 1984-12-26
DE3323029C2 (en) 1989-05-24
US4557541A (en) 1985-12-10

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