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WO2004006391A1 - Microwave connector - Google Patents

Microwave connector Download PDF

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Publication number
WO2004006391A1
WO2004006391A1 PCT/CH2003/000347 CH0300347W WO2004006391A1 WO 2004006391 A1 WO2004006391 A1 WO 2004006391A1 CH 0300347 W CH0300347 W CH 0300347W WO 2004006391 A1 WO2004006391 A1 WO 2004006391A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
connector according
contact elements
housing
printed circuit
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.)
Ceased
Application number
PCT/CH2003/000347
Other languages
German (de)
French (fr)
Inventor
Ueli Eigenmann
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.)
Huber and Suhner AG
Original Assignee
Huber and Suhner 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 Huber and Suhner AG filed Critical Huber and Suhner AG
Priority to AU2003229239A priority Critical patent/AU2003229239A1/en
Publication of WO2004006391A1 publication Critical patent/WO2004006391A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/04—Fixed joints
    • H01P1/047—Strip line joints
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/721—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures cooperating directly with the edge of the rigid printed circuits
    • 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
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
    • 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
    • H01R13/6473—Impedance matching
    • H01R13/6474—Impedance matching by variation of conductive properties, e.g. by dimension variations
    • 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
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them

Definitions

  • the invention relates to a connector for producing a high-frequency connection between a first printed circuit board and a second printed circuit board having a plurality of electrical contact elements which are each at one end fixed to the first circuit board and at the other end to be detachably connected to the second circuit board.
  • Connectors of this type are known in numerous designs and are used in particular for the production of connections between mother and daughter board (mother and daughter board).
  • the connectors are coaxial connectors which are fixedly connected to the mother board and in particular soldered. At one edge of the daughterboard the corresponding plugs are soldered.
  • the two circuit boards can be detachably plugged together for electrical connection. The production of such a connection with coaxial connectors is comparatively complicated.
  • a connector which is used for the transmission of low-frequency signals or high-speed digital signals.
  • connectors with which mutually parallel circuit boards can be connected. These connectors consist of three parts. Two parts are each firmly soldered to one of the two circuit boards. The third part is an intermediate piece to which the other two
  • the connection is also relatively complicated, in particular because of the many individual parts.
  • the invention has for its object to provide a connector of the type mentioned, which is less expensive to produce and yet ensures a re specte e wave transmission.
  • the connector should allow for automatic assembly and be usable at microwave frequencies.
  • the invention is achieved in that the contact elements form a planar waveguide and are arranged in a housing and this housing is designed such that the two circuit boards can be connected to it at substantially right angles to one another.
  • the connector according to the invention does not provide a coaxial structure, as has hitherto, but a planar structure. Both printed circuit boards are connected to only one housing, so that the connector can be realized with few individual parts. Preferably, the one circuit board f-est is connected to the housing, while the other circuit board is inserted into a recess of the housing. As a result, a height compensation and, to a limited extent, a side compensation can be achieved.
  • the connector has contact elements which are provided for direct electrical contact with conductor tracks of the two printed circuit boards.
  • the one contact takes place for example via a solder joint and the second contact via a resilient tension of the contact element.
  • the connector can then be produced in a particularly cost-effective manner if according to an embodiment of the invention the contact elements are mounted in at least one insert. These contact elements can preferably be preassembled on this insert become. For the Montag then only the insert with the pre-assembled contact elements must be inserted into the housing. The connection between the insert and the housing takes place according to a development of the invention with a latching element.
  • the housing is preferably made of a high temperature resistant plastic, such as a plastic, which is temperature resistant up to about 270 ° C and allows a lead-free soldering. This allows mounting by standard soldering processes simultaneously with other components on conventional soldering machines.
  • the connector can be fabricated with excellent shielding and transmission characteristics at microwave frequencies and gives a controlled impedance characteristic. It preferably has a return loss of 20 dB to 1 GH Z or 15 dB to 2.5 GH Z.
  • FIG. 1 shows a section through a connector according to the invention along the line I-I of FIG. 3, FIG.
  • FIG. 2 schematically shows a spatial section of a connector according to the invention
  • FIG. 3 shows a schematic view of a connector according to the invention
  • FIG. 4 shows a schematic view of a part of the connector
  • FIG. 5 shows schematically the mounting of contact elements
  • FIG. 6 schematically shows the mounting of inserts
  • Figure 7 schematically shows a spatial view of a connector and parts of two contacted circuit boards
  • Figure 8 schematically shows a spatial view of a connector on the one circuit board.
  • the connector 1 shown in Figures 1 to 3 has an elongate rectangular housing 4, which has a plurality of positioning pins 9 at the bottom, which are each self-centering inserted into a bore 20 of a first circuit board 2.
  • the housing 4 also has a slot-shaped recess 21, which is open at the top and in the according to Figure 1, a second circuit board 3 is releasably inserted.
  • the first circuit board 2 is preferably a mother board and the second board 3 is a daughter board.
  • the planes of the two printed circuit boards 2 and 3 run at right angles to one another.
  • inserts 5 In the housing 4 a plurality of inserts 5 shown in Figure 4 are arranged. These inserts 5 each carry preferably several, for example, three Kontak elements 6, which are formed strip-shaped and are made of a resilient metal.
  • the contact elements 6 are of the same design and run parallel to one another, wherein adjacent contact elements 6 are each separated with a gap 17 from each other. It is essential that the geometry of the contact elements 6 and es 5 are designed so that there is a defined characteristic impedance of 50 or 75 ohms.
  • the printed conductors of the printed circuit board 3 are contacted at the visible in Figure 5 page 15.
  • the inserts 5 are pushed from below into the housing 4 and each secured with a locking cam.
  • the locking cams 22 each engage in an opening 12 of a latching tongue 11. When inserting the inserts 5 in the housing 4 they are automatically locked. When inserting the inserts 5 are guided on the inside arranged walls 18 of the housing 4 leads, as the figure 6 reveals.
  • the inserts 5 and the housing 4 are made of a suitable plastic.
  • the plastic is preferably resistant to high temperatures, in particular up to 270 ° C.
  • Suitable plastics are, for example, PBT (polybutylene terephthalate or LCP (liquid crystal polymer).) In principle, it is also possible to use other plastics which have a suitable dielectric constant and are resistant to high temperatures.
  • the contact elements 6 are respectively used according to Figure 5 in the direction of arrow 23 in rear recesses 24 of the insert 5, wherein each solder 14 are inserted into a slot 22 open at the bottom. According to FIG. 4, these contacts 14 protrude horizontally on the front side of the insert 5 and serve to contact a respective conductor track 7 of the printed circuit board 2 by means of a soldering point 19, as shown, for example, by FIG.
  • the conductor tracks 7 are thus electrically connected directly to the solder contacts 14.
  • the connector 1 is thus mechanically centered via the pins 9 and connected to the printed circuit board 2 via the solder contacts 14.
  • the connector 1 is thus substantially permanently connected to the printed circuit board 2.
  • FIG. 8 shows the connector 1 which, as explained above, is mechanically and electrically connected to the printed circuit board 2 is. As can be seen, a plurality of microwave lines 7 are connected via the connector 1.
  • the printed circuit board 3 also has a plurality of conductor tracks 8, which are connected directly to the spring contacts 6. However, in this case, this connection can be released in order to produce the electrical connections, the printed circuit board 3 is inserted from above into the recess 21 with a front edge 25.
  • the contact elements 6 are in each case stretched resiliently at a free upper and inwardly bent end 16. The ends 16 are pressed by this voltage to the conductor tracks 8, as can be seen in FIG.
  • the contact between the tracks 8 and the contact elements 6 is maintained when the circuit board 3 is moved slightly according to Figure 7 in the directions of the double arrow 26 for height compensation. Also, a certain shift across the double arrow 26 is possible. By such shifts voltages between the two circuit boards 2 and 3 can be avoided. The contacts are still guaranteed.
  • the said displacements are in the range of about 0.2 mm.
  • the ends 16 When inserting the circuit board 3 in the recess 21, the ends 16 are deflected against the recesses 24.
  • the walls 10 each engage in a gap 17 between two adjacent contact elements 6.
  • the gap 17 may therefore be comparatively narrow.
  • the gap 17 may have a width of 0.2 mm.
  • the connector 1 can therefore be made comparatively small.
  • the geometry of the contact elements 6 and the dielectrics constant of the mission 5 essential.
  • the contact elements 6 can be changed in many ways with respect to their geometry.
  • the dielectric constant of the insert 5 can be changed by a suitable choice of the material.
  • the insert 5 and the housing 4 can be made of different plastics. As such plastics are, for example, LCP and PBT, which are also resistant to high temperatures. Both the housing 4 and the insert 5 can be inexpensively manufactured by injection molding.
  • the contact elements 6 can also be produced inexpensively by punching and bending of suitable metal sheet.
  • the connector has return loss in the range of 20 dB to 1 GHz or in the range of 15 dB to 2.5 GHz.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The connector serves to establish a microwave connection between a first printed circuit board (2) and a second printed circuit board (3). Electric contact elements (6) are, at one end, to be connected in a fixed manner to the first printed circuit board (2) and are, at the other end (16), to be detachably connected to the second printed circuit board (3). The contact elements (6) form a planar wave guide and are arranged inside a housing (4), which is designed in order to enable both printed circuit boards (2, 3) to be contacted while situated at essentially right angles to one another.

Description

MIKROWELLENVERBINDER MICROWAVE CONNECTOR

Die Erfindung betrifft einen Verbinder zur Herstellung einer Hochfrequenzverbindung zwischen einer ersten Leiterplatte und einer zweiten Leiterplatte, mit einer Mehrzahl von elektrischen Kontaktelementen, die jeweils an einem Ende fest mit der ersten Leiterplatte und am anderen Ende lösbar mit der zweiten Leiterplatte zu verbinden sind. Verbinder dieser Art sind in zahlreichen Ausführungen bekannt und dienen insbesondere zur Herstel- lung von Verbindungen zwischen Mutter- und Tochterleiterplatte (mother- and daughterboard) . Die Verbinder sind Koaxialverbinder, die fest mit der Mutterleiterplatte verbunden und insbesondere verlötet sind. An einer Kante der Tochterleiterplatte sind die entsprechenden Stecker aufgelötet . Die beiden Leiterplatten können zur elektrischen Verbindung lösbar zusammengesteckt werden. Die Herstellung einer solchen Verbindung mit KoaxialVerbindern ist vergleichsweise aufwändig.The invention relates to a connector for producing a high-frequency connection between a first printed circuit board and a second printed circuit board having a plurality of electrical contact elements which are each at one end fixed to the first circuit board and at the other end to be detachably connected to the second circuit board. Connectors of this type are known in numerous designs and are used in particular for the production of connections between mother and daughter board (mother and daughter board). The connectors are coaxial connectors which are fixedly connected to the mother board and in particular soldered. At one edge of the daughterboard the corresponding plugs are soldered. The two circuit boards can be detachably plugged together for electrical connection. The production of such a connection with coaxial connectors is comparatively complicated.

Aus de EP 1 168 512 AI ist ein Verbinder bekannt, welcher zur Übertragung von Niederfrequenz-Signalen oder high-speed digitalen Signalen verwendet wird. Es sind auch Verbinder bekannt, mit denen parallel zueinander verlaufende Leiterplatten verbindbar sind. Diese Verbinder bestehen aus drei Teilen. Zwei Teile sind jeweils fest mit einer der beiden Leiterplatten verlötet. Der dritte Teil ist ein Zwischenstück, auf das die beiden anderenFrom EP 1 168 512 A1 a connector is known which is used for the transmission of low-frequency signals or high-speed digital signals. There are also known connectors with which mutually parallel circuit boards can be connected. These connectors consist of three parts. Two parts are each firmly soldered to one of the two circuit boards. The third part is an intermediate piece to which the other two

Teile lösbar aufgesteckt sind. Auch die Verbindung ist insbesondere aufgrund der vielen Einzelteile vergleichsweise aufwändig. Der Erfindung liegt die Aufgabe zugrunde, einen Verbinder der genannten Art zu schaffen, der kostengünstiger herstellbar ist und dennoch eine reflektionsar e Wellenübertragung gewährleistet. Der Verbinder soll eine automatische Montage ermöglichen und bei Mikrowellenfreguenzen einsetzbar sein.Parts are detachably attached. The connection is also relatively complicated, in particular because of the many individual parts. The invention has for its object to provide a connector of the type mentioned, which is less expensive to produce and yet ensures a re specte e wave transmission. The connector should allow for automatic assembly and be usable at microwave frequencies.

Die Erfindung ist bei einem genannten Verbinder dadurch gelöst, dass die Kontaktelemente einen planaren Wellenleiter bilden und in einem Gehäuse angeordnet sind und dieses Gehäuse so ausgebil- det ist, dass die beiden Leiterplatten im Wesentlichen rechtwinklig zueinander mit diesem verbindbar sind.In a connector according to the invention, the invention is achieved in that the contact elements form a planar waveguide and are arranged in a housing and this housing is designed such that the two circuit boards can be connected to it at substantially right angles to one another.

Beim erfindungsgemässen Verbinder ist nicht wie bisher eine koaxiale Struktur, sondern eine planare Struktur vorgesehen. Beide Leiterplatten sind mit lediglich einem Gehäuse verbunden, sodass der Verbinder mit wenigen Einzelteilen realisierbar ist. Vorzugsweise ist die eine Leiterplatte f-est mit dem Gehäuse verbunden, während die andere Leiterplatte in eine Ausnehmung des Gehäuses hineingesteckt ist. Dadurch kann ein Höhenausgleich und in begrenztem Mass auch ein Seitenausgleich erreicht werden.The connector according to the invention does not provide a coaxial structure, as has hitherto, but a planar structure. Both printed circuit boards are connected to only one housing, so that the connector can be realized with few individual parts. Preferably, the one circuit board f-est is connected to the housing, while the other circuit board is inserted into a recess of the housing. As a result, a height compensation and, to a limited extent, a side compensation can be achieved.

Eine besonders kostengünstige Ausführung ergibt sich dann, wenn gemäss einer Weiterbildung der Erfindung der Verbinder Kontakt- elemente aufweist, die für den direkten elektrischen Kontakt mit Leiterbahnen der beiden Leiterplatten vorgesehen sind. Der eine Kontakt erfolgt beispielsweise über eine Lötstelle und der zweite Kontakt über eine federelastische Spannung des Kontaktelementes .A particularly cost-effective embodiment results when, according to a development of the invention, the connector has contact elements which are provided for direct electrical contact with conductor tracks of the two printed circuit boards. The one contact takes place for example via a solder joint and the second contact via a resilient tension of the contact element.

Der Verbinder kann dann besonders kostengünstig hergestellt werden, wenn gemäss einer Weiterbildung der Erfindung die Kontakt- elemente in wenigstens einem Einsatz gelagert sind. Diese Kontaktelemente können vorzugsweise an diesem Einsatz vormontiert werden. Für die Montag muss dann lediglich der Einsatz mit den vormontierten Kontaktelementen in das Gehäuse eingeschoben werden. Die Verbindung zwischen dem Einsatz und dem Gehäuse erfolgt gemäss einer Weiterbildung der Erfindung mit einem Rastelement .The connector can then be produced in a particularly cost-effective manner if according to an embodiment of the invention the contact elements are mounted in at least one insert. These contact elements can preferably be preassembled on this insert become. For the Montag then only the insert with the pre-assembled contact elements must be inserted into the housing. The connection between the insert and the housing takes place according to a development of the invention with a latching element.

In einem Gehäuse lassen sich mehrere Kontakte nebeneinander anordnen. So kann eine höhere Integration von Kontakten erreicht werden und der Verbinder beansprucht auf den Leiterplatten vergleichsweise wenig Platz und somit können weitere Bauteile mon- tiert werden. Das Gehäuse besteht vorzugsweise aus einem hochtemperaturbeständigen Kunststoff, beispielsweise einem Kunststoff, der bis etwa 270°C temperaturbeständig ist und der ein bleifreies Löten ermöglicht. Dies ermöglicht eine Montage durch Standard-Lötprozesse gleichzeitig mit anderen Bauelementen auf üblichen Lötautomaten.In a housing, several contacts can be arranged side by side. Thus, a higher integration of contacts can be achieved and the connector takes up comparatively little space on the circuit boards and thus further components can be mounted. The housing is preferably made of a high temperature resistant plastic, such as a plastic, which is temperature resistant up to about 270 ° C and allows a lead-free soldering. This allows mounting by standard soldering processes simultaneously with other components on conventional soldering machines.

Der Verbinder kann mit ausgezeichneten Schirmdämpfungs- und Übertragungseigenschaften bei Mikrowellenfre uenzen hergestellt werden und ergibt einen kontrollierten Impedanzverlauf. Er weist vorzugsweise eine Rückflussdämpfung von 20 dB bis 1 GHZ oder 15 dB bis 2,5 GHZ auf.The connector can be fabricated with excellent shielding and transmission characteristics at microwave frequencies and gives a controlled impedance characteristic. It preferably has a return loss of 20 dB to 1 GH Z or 15 dB to 2.5 GH Z.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features emerge from the dependent claims, the following description and the drawings.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:An embodiment of the invention will be explained in more detail with reference to the drawing. Show it:

Figur 1 ein Schnitt durch einen erfindungsgemässen Verbinder entlang der Linie I-I der Figur 3,1 shows a section through a connector according to the invention along the line I-I of FIG. 3, FIG.

Figur 2 schematisch ein räumlicher Abschnitt eines erfin- dungsgemässen Verbinders, Figur 3 schematisch eine räumliche Ansicht eines erfindungs- gemässen Verbinders,FIG. 2 schematically shows a spatial section of a connector according to the invention, FIG. 3 shows a schematic view of a connector according to the invention,

Figur 4 schematisch eine räumliche Ansicht eines Teils des Verbinders, Figur 5 schematisch das Montieren von Kontaktelementen,FIG. 4 shows a schematic view of a part of the connector, FIG. 5 shows schematically the mounting of contact elements,

Figur 6 schematisch das Montieren von Einsätzen,FIG. 6 schematically shows the mounting of inserts,

Figur 7 schematisch eine räumliche Ansicht eines Verbinders sowie Teile von zwei kontaktierten Leiterplatten undFigure 7 schematically shows a spatial view of a connector and parts of two contacted circuit boards and

Figur 8 schematisch eine räumliche Ansicht eines Verbinders auf der einen Leiterplatte.Figure 8 schematically shows a spatial view of a connector on the one circuit board.

Der in den Figuren 1 bis 3 gezeigte Verbinder 1 weist ein längliches rechteckiges Gehäuse 4 auf, das am Boden mehrere Positionierungszapfen 9 besitzt, die jeweils selbstzentrierend in eine Bohrung 20 einer ersten Leiterplatte 2 eingesetzt sind. Das Gehäuse 4 besitzt zudem eine schlitzförmige Ausnehmung 21, die oben offen ist und in die gemäss Figur 1 eine zweite Leiterplatte 3 lösbar eingeschoben ist . Die erste Leiterplatte 2 ist vorzugsweise eine Mutterleiterplatte und die zweite Leiterplatte 3 eine Tochterleiterplatte. Wie ersichtlich und wie dies auch in Figur 7 gezeigt ist, verlaufen die Ebenen der beiden Leiterplatten 2 und 3 rechtwinklig zueinander.The connector 1 shown in Figures 1 to 3 has an elongate rectangular housing 4, which has a plurality of positioning pins 9 at the bottom, which are each self-centering inserted into a bore 20 of a first circuit board 2. The housing 4 also has a slot-shaped recess 21, which is open at the top and in the according to Figure 1, a second circuit board 3 is releasably inserted. The first circuit board 2 is preferably a mother board and the second board 3 is a daughter board. As can be seen, and as also shown in FIG. 7, the planes of the two printed circuit boards 2 and 3 run at right angles to one another.

In das Gehäuse 4 sind mehrere in Figur 4 gezeigte Einsätze 5 an- geordnet. Diese Einsätze 5 tragen jeweils vorzugsweise mehrere, beispielsweise drei Kontak elemente 6, die streifenförmig ausgebildet sind und aus einem federelastischen Metall hergestellt sind. Die Kontaktelemente 6 sind gleich ausgebildet und verlaufen parallel zueinander, wobei benachbarte Kontaktelemente 6 je- weils mit einem Zwischenraum 17 von einander getrennt sind. Wesentlich ist, dass die Geometrie der Kontaktelemente 6 und des Einsatzes 5 so gestaltet sind, dass sich ein definierter Wellenwiderstand von 50 oder 75 Ohm ergibt. Die Leiterbahnen von der Leiterplatte 3 werden an der in Figur 5 sichtbaren Seite 15 kontaktiert. Die Einsätze 5 sind von unten in das Gehäuse 4 einge- schoben und jeweils mit einem Rastnocken befestigt. Die Rastnocken 22 greifen jeweils in eine Öffnung 12 einer Rastzunge 11 ein. Beim Einschieben der Einsätze 5 in das Gehäuse 4 werden diese selbsttätig verrastet. Beim Einschieben sind die Einsätze 5 an innenseitig angeordneten Wandungen 18 des Gehäuses 4 ge- führt, wie die Figur 6 erkennen lässt .In the housing 4 a plurality of inserts 5 shown in Figure 4 are arranged. These inserts 5 each carry preferably several, for example, three Kontak elements 6, which are formed strip-shaped and are made of a resilient metal. The contact elements 6 are of the same design and run parallel to one another, wherein adjacent contact elements 6 are each separated with a gap 17 from each other. It is essential that the geometry of the contact elements 6 and Einsatzes 5 are designed so that there is a defined characteristic impedance of 50 or 75 ohms. The printed conductors of the printed circuit board 3 are contacted at the visible in Figure 5 page 15. The inserts 5 are pushed from below into the housing 4 and each secured with a locking cam. The locking cams 22 each engage in an opening 12 of a latching tongue 11. When inserting the inserts 5 in the housing 4 they are automatically locked. When inserting the inserts 5 are guided on the inside arranged walls 18 of the housing 4 leads, as the figure 6 reveals.

Die Einsätze 5 als auch das Gehäuse 4 bestehen aus einem geeigneten Kunststoff . Der Kunststoff ist vorzugsweise hochtemperaturbeständig, insbesondere bis 270 °C. Geeignete Kunststoffe sind beispielsweise PBT (Polybutylenterephthalat oder LCP (Liquid Crystal Polymer) . Grundsätzlich können auch andere Kunststoffe verwendet werden, die eine geeignete Dielektrizitätskonstante besitzen und hochtemperaturbeständig sind.The inserts 5 and the housing 4 are made of a suitable plastic. The plastic is preferably resistant to high temperatures, in particular up to 270 ° C. Suitable plastics are, for example, PBT (polybutylene terephthalate or LCP (liquid crystal polymer).) In principle, it is also possible to use other plastics which have a suitable dielectric constant and are resistant to high temperatures.

Die Kontaktelemente 6 werden jeweils gemäss Figur 5 in Richtung des Pfeiles 23 in rückseitig angeordnete Ausnehmungen 24 des Einsatzes 5 eingesetzt, wobei jeweils Lötkontakte 14 in einen unten offenen Schlitz 22 eingesetzt werden. Diese Kontakte 14 ragen gemäss Figur 4 an der Vorderseite des Einsatzes 5 horizon- tal vor und dienen zur Kontaktierung jeweils einer Leiterbahn 7 der Leiterplatte 2 mittels einer Lotstelle 19, wie beispielsweise die Figur 1 zeigt. Die Leiterbahnen 7 werden somit direkt mit den Lötkontakten 14 elektrisch verbunden. Der Verbinder 1 ist somit über die Stifte 9 mechanisch zentriert und über die Löt- kontakte 14 mit der Leiterplatte 2 verbunden. Der Verbinder 1 ist somit im Wesentlichen unlösbar mit der Leiterplatte 2 verbunden. Die Figur 8 zeigt den Verbinder 1, der wie oben erläutert mechanisch und elektrisch mit der Leiterplatte 2 verbunden ist. Wie ersichtlich, sind mehrere Mikrowellenleitungen 7 über den Verbinder 1 verbunden.The contact elements 6 are respectively used according to Figure 5 in the direction of arrow 23 in rear recesses 24 of the insert 5, wherein each solder 14 are inserted into a slot 22 open at the bottom. According to FIG. 4, these contacts 14 protrude horizontally on the front side of the insert 5 and serve to contact a respective conductor track 7 of the printed circuit board 2 by means of a soldering point 19, as shown, for example, by FIG. The conductor tracks 7 are thus electrically connected directly to the solder contacts 14. The connector 1 is thus mechanically centered via the pins 9 and connected to the printed circuit board 2 via the solder contacts 14. The connector 1 is thus substantially permanently connected to the printed circuit board 2. FIG. 8 shows the connector 1 which, as explained above, is mechanically and electrically connected to the printed circuit board 2 is. As can be seen, a plurality of microwave lines 7 are connected via the connector 1.

Die Leiterplatte 3 weist ebenfalls mehrere Leiterbahnen 8 auf, die direkt mit den Federkontakten 6 verbunden sind. Diese Verbindung ist in diesem Fall aber lösbar, um die elektrischen Verbindungen herzustellen, wird die Leiterplatte 3 mit einer vorderen Kanten 25 von oben in die Ausnehmung 21 eingeschoben. Die Kontaktelemente 6 werden hierbei jeweils an einem freien oberen und nach innen gebogenen Ende 16 federelastisch gespannt. Die Enden 16 werden durch diese Spannung an die Leiterbahnen 8 ange- presst, wie dies in Figur 1 erkennbar ist. Der Kontakt zwischen den Leiterbahnen 8 und den Kontaktelementen 6 bleibt erhalten, wenn die Leiterplatte 3 gemäss Figur 7 in den Richtungen des Doppelpfeils 26 zum Höhenausgleich etwas verschoben wird. Ebenfalls ist eine gewisse Verschiebung quer zum Doppelpfeil 26 möglich. Durch solche Verschiebungen können Spannungen zwischen den beiden Leiterplatten 2 und 3 vermieden werden. Die Kontakte sind trotzdem gewährleistet. Die genannten Verschiebungen liegen im Bereich von etwa 0,2 mm.The printed circuit board 3 also has a plurality of conductor tracks 8, which are connected directly to the spring contacts 6. However, in this case, this connection can be released in order to produce the electrical connections, the printed circuit board 3 is inserted from above into the recess 21 with a front edge 25. The contact elements 6 are in each case stretched resiliently at a free upper and inwardly bent end 16. The ends 16 are pressed by this voltage to the conductor tracks 8, as can be seen in FIG. The contact between the tracks 8 and the contact elements 6 is maintained when the circuit board 3 is moved slightly according to Figure 7 in the directions of the double arrow 26 for height compensation. Also, a certain shift across the double arrow 26 is possible. By such shifts voltages between the two circuit boards 2 and 3 can be avoided. The contacts are still guaranteed. The said displacements are in the range of about 0.2 mm.

Beim Einsetzen der Leiterplatte 3 in die Ausnehmung 21 werden die Enden 16 gegen die Vertiefungen 24 ausgelenkt. Hierbei greifen die Wandungen 10 jeweils in einen Zwischenraum 17 zwischen zwei benachbarten Kontaktelementen 6. Dadurch werden die Kontaktelemente 6 elektrisch und auch mechanisch von einander getrennt. Der Zwischenraum 17 kann deshalb vergleichsweise schmal sein. Beispielsweise kann der Zwischenraum 17 eine Breite von 0,2 mm aufweisen. Der Verbinder 1 kann deshalb vergleichsweise klein gebaut werden.When inserting the circuit board 3 in the recess 21, the ends 16 are deflected against the recesses 24. Here, the walls 10 each engage in a gap 17 between two adjacent contact elements 6. Thus, the contact elements 6 are electrically and mechanically separated from each other. The gap 17 may therefore be comparatively narrow. For example, the gap 17 may have a width of 0.2 mm. The connector 1 can therefore be made comparatively small.

Um eine reflektionsarme Wellenübertragung zu erreichen, sind die Geometrie der Kontaktelemente 6 sowie die Dielektrizi- tätskonstante des Einsatzes 5 wesentlich. Beim erfindungsgemäs- sen Verbinder 1 können diese Grossen optimal aufeinander abgestimmt werden. Die Kontaktelemente 6 können bezüglich ihrer Geometrie auf vielfältige Weise geändert werden. Ebenfalls kann die Dielektrizitätskonstante des Einsatzes 5 durch eine geeignete Wahl des Werkstoffes geändert werden. Hierbei können der Einsatz 5 und das Gehäuse 4 aus unterschiedlichen Kunststoffen hergestellt werden. Als solche Kunststoffe eignen sich beispielsweise LCP und PBT, die zudem hochtemperaturbeständig sind. Sowohl das Gehäuse 4 als auch der Einsatz 5 können kostengünstig im Spritzgussverfahren hergestellt werden. Die Kontaktelemente 6 lassen sich zudem kostengünstig durch Stanzen und Biegen aus geeignetem Metallblech herstellen. Der Verbinder besitzt Rückflussdämpfung im Bereich von 20 dB bis 1 GHz oder im Bereich von 15 dB bis 2,5 GHz. In order to achieve a low-reflection wave transmission, the geometry of the contact elements 6 and the dielectrics constant of the mission 5 essential. When connector 1 according to the invention these sizes can be optimally matched to each other. The contact elements 6 can be changed in many ways with respect to their geometry. Also, the dielectric constant of the insert 5 can be changed by a suitable choice of the material. Here, the insert 5 and the housing 4 can be made of different plastics. As such plastics are, for example, LCP and PBT, which are also resistant to high temperatures. Both the housing 4 and the insert 5 can be inexpensively manufactured by injection molding. The contact elements 6 can also be produced inexpensively by punching and bending of suitable metal sheet. The connector has return loss in the range of 20 dB to 1 GHz or in the range of 15 dB to 2.5 GHz.

Claims

Patentansprüche claims 1. Verbinder zur Herstellung einer Mikrowellenverbindung zwischen einer ersten Leiterplatte (2) und einer zweiten Leiterplatte (3) , mit einer Mehrzahl von elektrischen Kontaktelementen (6) , die jeweils an einem Ende (14) fest mit der ersten Leiterplatte (2) und am anderen Ende (16) lösbar mit der zweiten Leiterplatte (3) zu verbinden sind, dadurch gekennzeichnet, dass die Kontaktelemente (6) eine planare Wellenleitung bilden und in einem Gehäuse (4) angeordnet sind und dieses Gehäuse (4) so ausgebildet ist, dass die beiden Leiterplatten (2, 3) im Wesentlichen rechtwinklig zueinander mit diesem kontaktierbar sind.1. A connector for producing a microwave connection between a first printed circuit board (2) and a second printed circuit board (3), with a plurality of electrical contact elements (6), each at one end (14) fixed to the first printed circuit board (2) and on the other end (16) are releasably connected to the second circuit board (3), characterized in that the contact elements (6) form a planar waveguide and in a housing (4) are arranged and this housing (4) is formed so that the two circuit boards (2, 3) are substantially perpendicular to each other with this contacted. 2. Verbinder nach Anspruch 1, dadurch gekennzeichnet, dass das Gehäuse (4) aus einem hochtemperaturbeständigen Kunststoff hergestellt ist.2. Connector according to claim 1, characterized in that the housing (4) is made of a high temperature resistant plastic. 3. Verbinder nach Anspruch 2, dadurch gekennzeichnet, dass der Kunststoff mindestens bis 270°C temperaturbeständig ist.3. Connector according to claim 2, characterized in that the plastic is temperature-resistant at least up to 270 ° C. 4. Verbinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Kontaktelemente (6) streifenförmige Teile aus federelastischem Metall sind und so im Abstand zueinander angeordnet sind, dass sich ein definierter Wellenwiderstand von 50 Ohm oder 75 Ohm ergibt.4. Connector according to one of claims 1 to 3, characterized in that the contact elements (6) are strip-shaped parts made of resilient metal and are arranged at a distance from each other, that there is a defined characteristic impedance of 50 ohms or 75 ohms. 5. Verbinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass eine Rückflussdämpfung von wenigstens 20 dB bis 1 GHZ erreicht wird.5. Connector according to one of claims 1 to 4, characterized in that a return loss of at least 20 dB to 1 GH Z is achieved. 6. Verbinder nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass eine Rückflussdämpfung von wenigstens 15 dB bis 2,5 GHz erreicht wird. 6. Connector according to one of claims 1 to 4, characterized in that a return loss of at least 15 dB to 2.5 GHz is achieved. 7. Verbinder nach Anspruch 6, dadurch gekennzeichnet, dass die Kontaktelemente (6) in wenigstens einem Einsatz (6) gelagert sind.7. Connector according to claim 6, characterized in that the contact elements (6) are mounted in at least one insert (6). 8. Verbinder nach Anspruch 7, dadurch gekennzeichnet, dass der Einsatz (5) im Gehäuse (4) verrastet ist.8. A connector according to claim 7, characterized in that the insert (5) in the housing (4) is latched. 9. Verbinder nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Kontaktelemente (6) fest mit wenigstens einer Leiterbahn (7) der ersten Leiterplatte (2) zu kontaktieren und insbesondere zu verlöten sind und die zweite Leiterplatte (3) in eine Ausnehmung (21) des Gehäuses (4) einzuschieben ist, wobei die Leiterbahnen (8) der zweiten Leiterplatte (3) unter elastischer Spannung der Kontaktelemente (6) elektrisch kontaktiert werden.9. Connector according to one of claims 1 to 8, characterized in that the contact elements (6) fixed to at least one conductor track (7) of the first circuit board (2) to be contacted and in particular to be soldered and the second circuit board (3) in one Recess (21) of the housing (4) is to be inserted, wherein the conductor tracks (8) of the second printed circuit board (3) are electrically contacted under elastic tension of the contact elements (6). 10. Verbinder nach Anspruch 9, dadurch gekennzeichnet, dass die Kontaktelemente (6) beim Einschieben der zweiten Leiterplatte (3) federelastisch ausgelenkt und durch Teile (10) des Gehäuses (4) mechanisch und elektrisch von einander getrennt werden.10. A connector according to claim 9, characterized in that the contact elements (6) during insertion of the second circuit board (3) are resiliently deflected and separated by parts (10) of the housing (4) mechanically and electrically from each other. 11. Verbinder nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, dass mehrere Einschübe (5) vorgesehen sind, und dass die Kontaktelemente (6) auf diesen Einschüben (5) vormontiert sind.11. Connector according to one of claims 7 to 10, characterized in that a plurality of inserts (5) are provided, and that the contact elements (6) on these inserts (5) are pre-assembled. 12. Verbinder nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass die Kontaktelemente (6) für den direkten elektrischen Kontakt mit Leiterbahnen (7, 8) vorgesehen sind.12. Connector according to one of claims 1 to 11, characterized in that the contact elements (6) for the direct electrical contact with conductor tracks (7, 8) are provided. 13. Verbinder nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass das Gehäuse (4) und/oder wenigstens ein Einsatz (5) aus Kunststoff, insbesondere LCP oder PBT hergestellt ist bzw. sind. 13. Connector according to one of claims 1 to 12, characterized in that the housing (4) and / or at least one insert (5) made of plastic, in particular LCP or PBT is or are. 4. Verbinder nach einem der Ansprüche 1 bis 13 , dadurch gekennzeichnet, dass Kontaktflächen (15) der Kontaktelemente (6) im Wesentlichen in einer gemeinsamen Ebene angeordnet sind. 4. Connector according to one of claims 1 to 13, characterized in that contact surfaces (15) of the contact elements (6) are arranged substantially in a common plane.
PCT/CH2003/000347 2002-07-05 2003-06-03 Microwave connector Ceased WO2004006391A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003229239A AU2003229239A1 (en) 2002-07-05 2003-06-03 Microwave connector

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH11792002 2002-07-05
CH1179/02 2002-07-05

Publications (1)

Publication Number Publication Date
WO2004006391A1 true WO2004006391A1 (en) 2004-01-15

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Application Number Title Priority Date Filing Date
PCT/CH2003/000347 Ceased WO2004006391A1 (en) 2002-07-05 2003-06-03 Microwave connector

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AU (1) AU2003229239A1 (en)
WO (1) WO2004006391A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104057A1 (en) * 1970-02-09 1971-08-19 Amp Inc Electrical connector assembly
US3651432A (en) * 1970-04-14 1972-03-21 Amp Inc Impedance matched printed circuit connectors
EP0399211A2 (en) * 1989-04-20 1990-11-28 Japan Aviation Electronics Industry, Limited Plug connector for microstrip line
EP0748005A1 (en) * 1995-06-07 1996-12-11 Molex Incorporated Printed circuit board mounted electrical connector
US5584728A (en) * 1994-11-25 1996-12-17 Hon Hai Precision Ind. Co., Ltd. Modular connector assembly with variably positioned units

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104057A1 (en) * 1970-02-09 1971-08-19 Amp Inc Electrical connector assembly
US3651432A (en) * 1970-04-14 1972-03-21 Amp Inc Impedance matched printed circuit connectors
EP0399211A2 (en) * 1989-04-20 1990-11-28 Japan Aviation Electronics Industry, Limited Plug connector for microstrip line
US5584728A (en) * 1994-11-25 1996-12-17 Hon Hai Precision Ind. Co., Ltd. Modular connector assembly with variably positioned units
EP0748005A1 (en) * 1995-06-07 1996-12-11 Molex Incorporated Printed circuit board mounted electrical connector

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