DE3310821A1 - Printed-circuit board assembly - Google Patents

Printed-circuit board assembly

Info

Publication number
DE3310821A1
DE3310821A1 DE19833310821 DE3310821A DE3310821A1 DE 3310821 A1 DE3310821 A1 DE 3310821A1 DE 19833310821 DE19833310821 DE 19833310821 DE 3310821 A DE3310821 A DE 3310821A DE 3310821 A1 DE3310821 A1 DE 3310821A1
Authority
DE
Germany
Prior art keywords
circuit board
printed
small circuit
lever arm
front panel
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.)
Withdrawn
Application number
DE19833310821
Other languages
German (de)
Inventor
Richard 7530- Pforzheim Mauch
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Priority to DE19833310821 priority Critical patent/DE3310821A1/en
Publication of DE3310821A1 publication Critical patent/DE3310821A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
    • H05K7/1402—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards
    • H05K7/1409—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means for securing or extracting printed circuit boards by lever-type mechanisms
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10007—Types of components
    • H05K2201/10189—Non-printed connector
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10431—Details of mounted components
    • H05K2201/10439—Position of a single component
    • H05K2201/10446—Mounted on an edge
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/368—Assembling printed circuits with other printed circuits parallel to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

A printed-circuit board assembly having a fitted main printed-circuit board (1) which, on its front edge, supports a rectangular front panel (2) which is arranged at right angles to the plane of the board, and is provided, arranged parallel to the main printed-circuit board (1) on the at least one small printed-circuit board (4) which is connected by means of the plug connector (5), and on its front edge, with a handle strip (8), which is constructed as a two-armed lever, can pivot about a rotation point (9) in the plane of the board, and, supported on the outer surface of the front panel (2) of the printed-circuit board assembly, achieves a linear movement which is sufficient to release the plug connection (5) of the small printed-circuit board (4) to the main printed-circuit board (1). The invention is used in the case of ROM or matching assemblies on small printed-circuit boards. <IMAGE>

Description

FlachbaugruppePCB

Die Erfindung bezieht sich auf eine Flachbaugruppe mit einer bestückten Hauptleiterplatte, die an ihrer vorderen Kante eine senkrecht zur Plattenebene angeordnete rechteckige Frontplatte trägt und auf der mindestens eine mittels Steckverbindung angeschlossene bestückte Kleinleiterplatte angeordnet ist.The invention relates to a printed circuit board with a Main circuit board, which has a perpendicular to the plane of the board at its front edge carries rectangular front panel and on the at least one by means of a plug connection connected assembled small circuit board is arranged.

Bausteine elektronischer Schaltungen, wie z. B. programmierbare Speicherbausteine oder integrierte Anpassungsschaltungen, sollen bei Programm- oder Anpassungsänderungen leicht und schnell auswechselbar sein.Components of electronic circuits, such as B. programmable memory modules or integrated adaptation circuits, should be used in the event of program or adaptation changes be easily and quickly exchangeable.

Dieser Forderung wird bei einer Flachbaugruppe der eingangs genannten Art genügt, bei der erfindungsgemäß die bestückte Kleinleiterplatte parallel zur Hauptleiterplatte angeordnet und an ihrer Vorderkante mit einer Griffleiste versehen ist, welche durch eine Öffnung in der Frontplatte ragt.In the case of a flat module, this requirement is the one mentioned at the beginning Kind is sufficient in the invention, the populated small circuit board parallel to Arranged main circuit board and provided on its front edge with a handle bar which protrudes through an opening in the front panel.

Das Ziehen oder Stecken der bestückten Kleinleiterplatte läßt sich vornehmen, ohne die Flachbaugruppe und die auf ihr befindlichen Bausteine selbst von der übrigen Schaltung trennen zu müssen.Pulling or plugging the assembled small circuit board can be without the printed circuit board and the modules on it themselves to have to separate from the rest of the circuit.

Bei dichter Bestückung der Kleinleiterplatte müssen vielpolige Steckverbinder verwendet werden mit einem dementsprechend hohen Abzugswiderstand, so daß das Ziehen der Kleinleiterplatte, insbesondere bei mehreren über- oder nebeneinander auf der Hauptleiterplatte angeordneten Kleinleiterplatten, Schwierigkeiten mit sich bringt.If the small circuit board is densely populated, multi-pole connectors are required be used with a correspondingly high pull-off resistance, so that the pulling the small circuit board, especially if there are several on top of or next to each other on the Main circuit board arranged small circuit boards, brings difficulties.

Die weitere Aufgabenstellung zielt deswegen auf eine Möglichkeit, auch bei hohem Abzugswiderstand die Kleinleiterplatte leicht ziehen zu können.The further task is therefore aimed at a possibility to be able to pull the small circuit board easily even with high pull-off resistance.

In einer bevorzugten Ausführungsform ist deshalb die Griffleiste der zusätzlichen Kleinleiterplatte als zweiarmiger Hebel mit ungleichen Hebelarmlängen ausgebildet, der um eine in der Vorderkante der Kleinleiterplatte angebrachte Drehachse in der Plattenebene schwenkbar ist, wobei der kürzere, sich mit seinem Ende an der Außenfläche der Frontplatte der Flachbaugruppe abstützende Hebelarm so bemessen ist, daß ein zum Lösen des Steckverbinders ausreichender Hub erzielbar ist.In a preferred embodiment, the handle bar is therefore the additional small circuit board as a two-armed lever with unequal lever arm lengths formed around an axis of rotation mounted in the front edge of the small circuit board is pivotable in the plane of the plate, with the shorter one, with its end at the Dimension the outer surface of the front panel of the printed circuit board supporting lever arm is that a sufficient stroke to release the connector can be achieved.

Bei einem Hebelarm-Längenverhältnis von 5 : 1 bis 6 : 1 läßt sich die Steckverbindung auch bei hohem Abzugswiderstand auf einfache Weise lösen, so daß die bestückte Kleinleiterplatte ohne Schwierigkeiten entnehmbar ist.With a lever arm length ratio of 5: 1 to 6: 1, loosen the connector in a simple way even with high pull-off resistance, see above that the assembled miniature circuit board can be removed without difficulty.

Weitere Vorteile und Merkmale ergeben sich aus der Beschreibung des in den Figuren 1 bis 5 dargestellten Ausführungsbeispiels in Verbindung mit den Unteransprüchen.Further advantages and features emerge from the description of the in Figures 1 to 5 illustrated embodiment in conjunction with the Subclaims.

Figur 1 zeigt eine Flachbaugruppe, die im wesentlichen aus einer bestückten Leiterplatte 1 besteht, die an ihrer vorderen Kante mit einer senkrecht zur Plattenebene angeordneten Frontplatte 2 versehen ist und an ihrer rückwärtigen Kante die Messerleiste 3 eines Steckverbinders zum Anschluß an weitere Schaltverknüpfungen trägt.Figure 1 shows a printed circuit board, which essentially consists of a populated Circuit board 1 consists, which is at its front edge with a perpendicular to the plane of the board arranged front panel 2 is provided and on its rear edge the male connector 3 carries a connector for connection to other switching links.

Eine zusätzliche bestückte Kleinleiterplatte 4 ist parallel zur Hauptleiterplatte 1 angeordnet und mit deren Leiterbild über den Steckverbinder 5, bestehend aus Messerleiste 6 und Federleiste 6', verbunden.An additional assembled small circuit board 4 is parallel to the main circuit board 1 arranged and with their conductor pattern via the connector 5, consisting of male connector 6 and female connector 6 'connected.

Die Bestückungen der Hauptleiterplatte 1 und der Kleinleiterplatte 4 mit Bauelementen und integrierten Schaltbausteinen sind der Übersichtlichkeit halber nicht dargestellt.The assemblies of the main circuit board 1 and the small circuit board 4 with components and integrated switching modules are for clarity not shown for the sake of

Die Frontplatte 2 ist mit einer - gestrichelt eingezeichneten - rechteckigen Öffnung 7 versehen, durch welche die Kleinleiterplatte 4 herausnehmbar ist. Zu diesem Zwecke ist die Vorderkante der Kleinleiterplatte 4 mit einer Griffleiste 8 versehen, die aus der Frontplattenebene herausragt.The front plate 2 is with a - shown in dashed lines - rectangular Opening 7 is provided through which the miniature circuit board 4 can be removed. To this Purposes, the front edge of the small circuit board 4 is provided with a grip strip 8, which protrudes from the plane of the front panel.

In Figur 2 ist die Kleinleiterplatte 4 mit der Messerleiste 6 und der Griffleiste 8 in einer Seitenansicht, in Figur 3 in einer Ansicht von oben dargestellt.In Figure 2, the small circuit board 4 with the male connector 6 and the handle bar 8 in a side view, shown in Figure 3 in a view from above.

Die Griffleiste 8 ist als zweiarmiger Hebel mit-ungleichen Hebelarmlängen L1 und L2 ausgebildet, der um eine in der Vorderkante der Kleinleiterplatte 4 angebrachte Drehachse 9 in der Plattenebene von der Vorderkante wegschwenkbar ist.The handle bar 8 is a two-armed lever with unequal lever arm lengths L1 and L2 formed around a mounted in the front edge of the small circuit board 4 The axis of rotation 9 can be pivoted away from the front edge in the plane of the plate.

Der Schwenkwinkel beträgt etwa 30 0. das Verhältnis der Hebelarmlängen L1/L2 beträgt 5 : 1 bis 6 : 1.The pivot angle is about 30 0. the ratio of the lever arm lengths L1 / L2 is 5: 1 to 6: 1.

Zur leichteren Bedienung der hebelartigen Griffleiste 8 ist an deren oberem Ende, also am längeren Hebelarmende, eine Fingerrille 10 angebracht.For easier operation of the lever-like handle bar 8 is on their A finger groove 10 is attached at the upper end, that is to say at the longer end of the lever arm.

Dort ist auch eine nach innen weisende Nase 11 angeordnet, deren Zweck später erläutert wird.An inwardly pointing nose 11 is also arranged there, the purpose of which is will be explained later.

In den Figuren 4 und 5 ist die Wirkungsweise der hebelartigen Griffleiste 8 an der Kleinleiterplatte 4 gezeigt.In Figures 4 and 5, the operation of the lever-like grip strip 8 shown on the small circuit board 4.

In Figur 4 ist ein Ausschnitt der Hauptleiterplatte 1 der Flachbaugruppe mit ihrer Frontplatte 2 und der darin angebrachten Öffnung 7 dargestellt, durch welche die Kleinleiterplatte 4 eingeführt und mittels des Steckverbinders 5 an das Leiterbild der Hauptleiterplatte 1 angeschlossen ist. Die Griffleiste 8 mit ihrer Drehachse 9 befindet sich außerhalb der Frontplatte 2.FIG. 4 shows a section of the main printed circuit board 1 of the printed circuit board with its front panel 2 and the opening 7 made therein which inserted the small circuit board 4 and connected to the Circuit diagram of the main circuit board 1 is connected. The handle bar 8 with her The axis of rotation 9 is located outside the front panel 2.

In dem dargestellten Betriebszustand liegt die Unterseite der Griffleiste 8 an den Rändern der Öffnung 7 an, die federnde Nase 11 als Teil einer Rasteinrichtung greift hinter die Oberkante der Öffnung 7 und sichert so die Kleinleiterplatte 4 vor unbeabsichtigtem Lösen.In the operating state shown, the underside of the handle bar is located 8 at the edges of the opening 7, the resilient nose 11 as part of a latching device reaches behind the upper edge of the opening 7 and thus secures the small circuit board 4 against accidental loosening.

Soll die Kleinleiterplatte 4 ausgewechselt werden, so wird die Griffleiste 8 um die Drehachse 9 nach außen geschwenkt, wie es Figur 5 zeigt. Der kürzere Hebelarm der Länge L2 (siehe Figur 2) ist so bemessen, daß sich die Innenkante 12 seines Endes gegen die Außenfläche der Frontplatte 2 abstützt, so daß die an der Drehachse 9 angreifende Hebelkraft die Kleinleiterplatte 4 nach außen zieht. Die Hebelarmlängen und derSchwenkwinkel (siehe Figur 2) sind so aufeinander abgestimmt, daß in Ausziehrichtung der Hub h erzielt wird, der zum Trennen des aus Messerleiste 6 und Federleiste 6' bestehenden Steckverbinders 5 genügt.If the small circuit board 4 is to be replaced, the handle bar 8 pivoted outward about the axis of rotation 9, as FIG. 5 shows. The shorter lever arm the length L2 (see Figure 2) is dimensioned so that the inner edge 12 of his End is supported against the outer surface of the front plate 2, so that the axis of rotation 9 acting leverage pulls the miniature circuit board 4 outwards. The lever arm lengths and the pivot angle (see Figure 2) are coordinated so that in the pull-out direction the stroke h is achieved, which is used to separate the male connector 6 and female connector 6 ' existing connector 5 is sufficient.

Die Kleinleiterplatte 4 kann dann leicht durch die Öffnung 7 herausgezogen und durch eine andere ersetzt werden, wobei nach dem Einschieben die Griffleiste 8 wieder beigeklappt wird und die Nase 11 federnd hinter der Kante der Öffnung 7 einrastet.The small circuit board 4 can then easily be pulled out through the opening 7 and replaced by another, the handle bar after insertion 8 is folded in again and the nose 11 is resilient behind the edge of the opening 7 clicks into place.

4 Patentansprüche 5 Figuren4 claims 5 figures

Claims (4)

Patentansprüche fm Flachbaugruppe mit einer bestückten Hauptleiterplatte, die an ihrer vorderen Kante eine senkrecht zur Plattenebene angeordnete rechteckige Frontplatte trägt und auf der mindestens eine mittels Steckverbinder angeschlossene bestückte Kleinleiterplatte angeordnet ist, d a d u r c h g e k e n n z e i c h n e t , daß die zusätzliche Kleinleiterplatte (4) parallel zur Hauptleiterplatte (1) angeordnet und an ihrer Vorderkante mit einer Griffleiste (8) versehen ist und daß in der Frontplatte (2) eine Öffnung (7) zum Ziehen und Stecken der Kleinleiterplatte (4) mit Hilfe ihrer Griffleiste (8) vorgesehen ist. Patent claims fm flat module with an assembled main circuit board, at its front edge a rectangular one arranged perpendicular to the plane of the plate Front panel carries and on the at least one connected by means of a connector assembled small circuit board is arranged, d u r c h e k e n n n z e i c h n e t that the additional small circuit board (4) parallel to the main circuit board (1) is arranged and provided on its front edge with a grip strip (8) and that in the front panel (2) an opening (7) for pulling and plugging the small circuit board (4) is provided with the help of its handle bar (8). 2. Flachbaugruppe nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t , daß die Griffleiste (8) der zusätzlichen Kleinleiterplatte (4) ein zweiarmiger Hebel mit ungleichen Hebelarmlängen (L1, L2) ist, der um eine in der Vorderkante der Kleinleiterplatte (4) angebrachte Drehachse (9) in der Plattenebene schwenkbar ist, und daß der kürzere, sich mit seinem Ende an der Außenfläche der Frontplatte (2) abstützende Hebelarm so bemessen ist, daß ein zum Lösen des Steckverbinders (5) ausreichender Hub (h) erzielbar ist. 2. Flat module according to claim 1, d a d u r c h g e k e n n z e i c h n e t that the handle bar (8) of the additional small circuit board (4) a two-armed lever with unequal lever arm lengths (L1, L2), which is around one in the Front edge of the small circuit board (4) attached axis of rotation (9) in the plane of the board is pivotable, and that the shorter one, with its end on the outer surface of the Front plate (2) supporting lever arm is dimensioned so that one for loosening the connector (5) sufficient stroke (h) can be achieved. 3. Flachbaugruppe nach Anspruch 1 und 2, d a d u r c h g e k e n n z e i c h n e t , daß die Griffleiste (8) am Ende ihres längeren und/oder kürzeren Hebelarms mit einer hinter die Kante der Öffnung (7) in der Frontplatte (2) greifenden Nase (11) versehen ist. 3. Flat module according to claim 1 and 2, d a d u r c h g e k e n It is not indicated that the handle bar (8) is at the end of its longer and / or shorter length Lever arm with one behind the edge of the opening (7) in the front panel (2) reaching Nose (11) is provided. 4. Flachbaugruppe nach Anspruch 2, d a d u r c h g e -k e n n z e i c h n e t , daß das Verhältnis der Hebelarmlängen (L1, L2) 5 : 1 bis 6 : 1 ist. 4. Flat module according to claim 2, d a d u r c h g e -k e n n z e i c h n e t that the ratio of the lever arm lengths (L1, L2) is 5: 1 to 6: 1.
DE19833310821 1983-03-24 1983-03-24 Printed-circuit board assembly Withdrawn DE3310821A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19833310821 DE3310821A1 (en) 1983-03-24 1983-03-24 Printed-circuit board assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19833310821 DE3310821A1 (en) 1983-03-24 1983-03-24 Printed-circuit board assembly

Publications (1)

Publication Number Publication Date
DE3310821A1 true DE3310821A1 (en) 1984-09-27

Family

ID=6194582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19833310821 Withdrawn DE3310821A1 (en) 1983-03-24 1983-03-24 Printed-circuit board assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184282A (en) * 1989-02-27 1993-02-02 Mips Co., Ltd. IC card adapter
DE4417423A1 (en) * 1994-05-18 1995-10-05 Siemens Ag Multi-standard serial interface circuit board

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179616B (en) * 1961-09-28 1964-10-15 Siemens Ag Insert for devices and systems of electrical communication technology
US4256356A (en) * 1978-03-06 1981-03-17 Bbc Brown, Boveri & Company, Limited Apparatus for inserting and withdrawing subassemblies

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1179616B (en) * 1961-09-28 1964-10-15 Siemens Ag Insert for devices and systems of electrical communication technology
US4256356A (en) * 1978-03-06 1981-03-17 Bbc Brown, Boveri & Company, Limited Apparatus for inserting and withdrawing subassemblies

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DE-Prospekt: Siemens-Prospekt "Simatic 55", Nr.E-322/1387 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184282A (en) * 1989-02-27 1993-02-02 Mips Co., Ltd. IC card adapter
DE4417423A1 (en) * 1994-05-18 1995-10-05 Siemens Ag Multi-standard serial interface circuit board

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