WO2004006391A1 - Connecteur à micro-ondes - Google Patents

Connecteur à micro-ondes Download PDF

Info

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
Application number
PCT/CH2003/000347
Other languages
German (de)
English (en)
Inventor
Ueli Eigenmann
Original Assignee
Huber+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+Suhner Ag filed Critical Huber+Suhner Ag
Priority to AU2003229239A priority Critical patent/AU2003229239A1/en
Publication of WO2004006391A1 publication Critical patent/WO2004006391A1/fr

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

L'invention concerne un connecteur destiné à la réalisation d'une connexion à micro-ondes entre une première plaquette (2) et une deuxième plaquette (3). Des éléments de contact électrique (6) présentent une extrémité reliée fixement à la première plaquette (2) et une extrémité (16) destinée à être reliée de façon amovible à la deuxième plaquette (3). Les éléments de contact (6) forment un guide d'ondes plan et sont disposés dans un boîtier (4) conçu de manière que les deux plaquettes (2, 3) peuvent être mises en contact avec ledit boîtier de façon essentiellement perpendiculaire.
PCT/CH2003/000347 2002-07-05 2003-06-03 Connecteur à micro-ondes WO2004006391A1 (fr)

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 (fr) 2004-01-15

Family

ID=30005583

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH2003/000347 WO2004006391A1 (fr) 2002-07-05 2003-06-03 Connecteur à micro-ondes

Country Status (2)

Country Link
AU (1) AU2003229239A1 (fr)
WO (1) WO2004006391A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2104057A1 (de) * 1970-02-09 1971-08-19 Amp Inc Elektrische Verbinderanordnung
US3651432A (en) * 1970-04-14 1972-03-21 Amp Inc Impedance matched printed circuit connectors
EP0399211A2 (fr) * 1989-04-20 1990-11-28 Japan Aviation Electronics Industry, Limited Connecteur à fiches pour ligne à microruban
EP0748005A1 (fr) * 1995-06-07 1996-12-11 Molex Incorporated Connecteur électrique pour montage sur une carte de circuits imprimés
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 (de) * 1970-02-09 1971-08-19 Amp Inc Elektrische Verbinderanordnung
US3651432A (en) * 1970-04-14 1972-03-21 Amp Inc Impedance matched printed circuit connectors
EP0399211A2 (fr) * 1989-04-20 1990-11-28 Japan Aviation Electronics Industry, Limited Connecteur à fiches pour ligne à microruban
US5584728A (en) * 1994-11-25 1996-12-17 Hon Hai Precision Ind. Co., Ltd. Modular connector assembly with variably positioned units
EP0748005A1 (fr) * 1995-06-07 1996-12-11 Molex Incorporated Connecteur électrique pour montage sur une carte de circuits imprimés

Also Published As

Publication number Publication date
AU2003229239A1 (en) 2004-01-23

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