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
  • H01R12/7005—Guiding, mounting, polarizing or locking means; Extractors
  • H01R12/7011—Locking or fixing a connector to a PCB
  • H01R12/7064—Press fitting
• • 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
  • H01R12/7076—Coupling devices for connection between PCB and component, e.g. display
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q1/00—Details of, or arrangements associated with, antennas
  • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
  • H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
  • H01R12/70—Coupling devices
  • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
  • H01R12/81—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to another cable except for flat or ribbon cable
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
  • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
  • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
  • H01R24/50—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted on a PCB [Printed Circuit Board]
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R2103/00—Two poles
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
  • H01R2201/00—Connectors or connections adapted for particular applications
  • H01R2201/02—Connectors or connections adapted for particular applications for antennas

Definitions

• the invention relates to a device for connecting a circuit or radiofrequency component printed on a flexible support, to a coaxial cable.
• This electronic radiocommunication equipment generally comprises radiofrequency components, including in particular a radio antenna type "whip antenna”. However, these antennas can be bulky.
• these antennas In addition, to be able to function effectively, these antennas must be positioned vertically. Thus, these antennas lose their effectiveness as soon as the fighter is in a supine position.
• whip antennas with antennas integrated in the protective clothing, for example by printing the antenna and the antenna supply circuit directly on a part of the garment, such as on a piece of fabric.
• the part of the garment thus serves as support for the antenna and the power supply circuit.
• An object of the invention is to provide a connection device adapted to connect a circuit or a radiofrequency component printed on a flexible support to a coaxial cable.
• a device for connecting a circuit or radiofrequency component printed on a flexible support to a coaxial cable comprising:
• a first piece adapted to be disposed against a first face of the support on which the circuit or component is printed, the first part comprising a cavity adapted to house a coaxial cable connector, a first opening through which a connector plug for connecting the coaxial cable and a second opening through which contact pads may extend to contact tracks of the radiofrequency circuit, - a second clean part to be arranged against a second face of the support. , opposite to the first face, and
• first piece and / or the second piece comprises fixing means for fixing the first piece and the second piece together, the flexible support being clamped between the first piece and the second piece, so as to maintain an electrical contact between the connector and the circuit or radiofrequency component printed.
• the proposed device makes it possible to connect the printed radio frequency circuit or component to the coaxial cable, without damaging the flexible support.
• the proposed device allows the use of a standard connector, already qualified for the intended applications.
• the first part has a first flat face disposed in contact with the first face of the support when the first part is arranged against the first face of the support
• the second piece has a second plane face disposed in contact with the second face of the support when the second piece is placed against the second face of the support
• the fastening means comprise fastening holes formed in one of the pieces and fastening pins formed in the other of the pieces and capable of being inserted into the fixing orifices in order to fix the first piece and the second piece between them.
• the pins extend through the flexible support when the first piece and the second piece are fixed together, the flexible support being clamped between the first piece and the second piece,
• the device comprises a coaxial cable connector adapted to be housed in the cavity of the first piece,
• the cable connector comprises a plug for connecting a coaxial cable for connecting the coaxial cable in a connection direction substantially parallel to the first face of the support,
• the cable connector comprises a threaded surface for screwing the coaxial cable onto the connector
• the connector comprises contact pads extending in a direction substantially perpendicular to the first face of the support and suitable for coming into contact with tracks of the circuit or printed radiofrequency component,
• the first part comprises a substantially flat portion adapted to come into contact with the first face of the support and a bulging portion surrounding the cavity and projecting from the flat portion, the bulged portion having a curved outer surface.
• FIG. 1 schematically represents an antenna assembly comprising a printed circuit and a connection device according to one embodiment of the invention
• FIG. 2 schematically represents the various parts of the connection device
• FIG. 3 schematically represents a coaxial cable connector of the connection device
• FIGS. 4A to 4D schematically represent a first part of the connecting device
• the antenna assembly 1 represented comprises a support 2, an antenna circuit 3 printed on the support 2 and a connection device 4 making it possible to electrically connect the circuit 3 printed to a coaxial cable (non represent).
• the antenna circuit 3 may include a radiating portion forming the antenna and a feeding portion for feeding the antenna.
• the support 2 is in the form of a flat, thin sheet formed of a flexible material, such as fabric or a flexible plastic material (for example a polyimide).
• the support 2 has a first face 5 and a second face 6, opposite to the first face.
• the circuit 3 comprises one or more conductive tracks printed on the first face 5 of the support.
• the circuit 3 comprises two conductive tracks 7 and 8 printed on the support 2.
• Each conductive track 7, respectively 8, comprises a first end 9, respectively 10, and a second end 1 1, respectively 12.
• the connecting device 4 comprises a coaxial cable connector 13, a first piece 14 (or interface piece) and a second piece 15 (or counterpart).
• the support 2 is located interposed between the two parts 14 and 15.
• the support 2 extends continuously between the two parts 14 and 15.
• the first piece 14 and the second piece 15 may be formed of flexible plastic material, such as rubber for example.
• Each of the parts 14 and 15 is formed of a single piece of material, for example by molding.
• the coaxial cable connector 13 is a bent connector.
• the connector 13 comprises a body 16, a connection socket 17 of a coaxial cable and contact pads 18 to 21.
• the branch plug 17 comprises a tubular portion 22 adapted to receive an end of a coaxial cable in a branch direction X, parallel to the plane of the support 2.
• the tubular portion 22 has a threaded outer surface, allowing the end to be screwed on. cable on the connection socket 17.
• the contact pads 18 to 21 extend projecting from the body 16 in a direction Y, substantially perpendicular to the X direction of connection of the coaxial cable. In the example illustrated in Figure 2, the contact pads 18 to 21 are four in number.
• the first part 14 (or interface piece) is designed to encapsulate the connector 13.
• the first part 14 comprises a cavity 23 adapted to house the connector 13.
• the first part 14 comprises a first opening 24 through which extends the connection socket 17 of the connector 13 to connect the coaxial cable and a second opening 25 through which contact pads 18 to 21 extend to come into contact with antenna tracks.
• the first opening 24 has a circular shape allowing the passage of the tubular portion 22 through the first opening 24.
• the first piece 14 further comprises a substantially flat portion 26 (or first plate) having a first planar face 27 intended to come into contact with the first face 5 of the support 2, and a bulged portion 28 extending projecting from the flat portion 26 and surrounding the cavity 23.
• the bulged portion 28 has a curved outer surface 29.
• the second opening 25 is formed in the first face 27.
• the second opening 25 has a substantially rectangular shape.
• the second opening 25 is configured so that, during assembly of the connecting device 4, the connector 13 can be inserted into the cavity 23 by the second opening 25.
• the first piece 14 comprises a plurality of fixing pins 30 to 36 projecting from the first face 27.
• the second part 15 (or counterpart) comprises a flat part 37 (or second plate) having a second flat face 38 intended to come into contact with the second face 6 of the support 2.
• the plane portion 37 of the second piece 15 has dimensions substantially identical to the dimensions of the flat portion 26 of the first piece 14.
• the second part 15 further comprises fixing holes 40 to 46 formed through the flat part 37.
• Each attachment pin 30 to 36 of the first piece 14 is adapted to be inserted into a corresponding fixing orifice 40 to 46 of the second piece 15 to fix the first piece 14 and the second piece 15 between them.
• the connecting device 4 is mounted on the support 2 in the following manner.
• the connector 13 is first inserted into the cavity 23 of the first piece 14 via the second opening 25.
• the branching plug 17 is introduced into the cavity 23 via the second opening 25 and then passed through the first opening. opening 24, so as to project out of the first piece 14.
• the contact pads 18 to 21 of the connector 13 protrude from the first piece 14 through the second opening 25 on the side of the first face 27.
• the first part 14 is then positioned against the first face 5 of the support 2. More specifically, the first face 27 of the first part 14 is in contact with the first face 5 of the support 2.
• the first part 14 is positioned so that each contact pad 18 to 21 is in contact with an end 9 to 12 of a conductive track 7, 8. Specifically, each contact pad 18, 19, 20 and 21 is is in contact with the ends 9, 10, 1 1 and 12 respectively.
• the second part 15 is positioned in contact with the second face 6 of the support 2. More specifically, the second face 38 of the second part 15 is in contact with the second face 6 of the support 2.
• the support 2 extends continuously between the two parts 14 and 15 of the device, without being deformed.
• first piece 14 and the second piece 15 are pressed towards each other, so that the attachment studs 30 to 36 of the first piece 14 pass through the support 2 and are plugged into the fixing holes 40 to 46 of the second room 15.
• the fixing pins 30 to 36 may be forcefully inserted into the fixing holes 40 to 46 so as to fix the first piece 14 and the second piece 15 between them.
• the fixing pins 30 to 36 can be crimped into the fixing orifices 40 to 46, once the fixing pins 30 to 36 have been inserted into the fixing orifices 40 to 46.
• the support 2 is clamped between the first part 14 and the second part 15, which makes it possible to maintain electrical contact between the contact pads 18 to 21 and the contacts.
• a coaxial connection cable can be connected to the socket 17.
• the proposed connection device 4 makes it possible to limit the risks of tearing of the support 2 in the event of tension exerted on the coaxial cable. Moreover, because of the curved shape of the bulged portion 28, the first piece 14 limits the discomfort created by the presence of the connecting device projecting from the support 2.

Landscapes

• Multi-Conductor Connections (AREA)
• Coupling Device And Connection With Printed Circuit (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=51298794

Family Applications (1)

Country Status (7)

Families Citing this family (1)

Family Cites Families (11)

• 2014
  • 2014-05-15 FR FR1454336A patent/FR3021165B1/fr not_active Expired - Fee Related
• 2015
  • 2015-05-15 CA CA2948781A patent/CA2948781A1/fr not_active Abandoned
  • 2015-05-15 BR BR112016026645A patent/BR112016026645A2/pt not_active Application Discontinuation
  • 2015-05-15 WO PCT/EP2015/060754 patent/WO2015173387A1/fr not_active Ceased
  • 2015-05-15 US US15/311,165 patent/US9660366B2/en active Active
  • 2015-05-15 RU RU2016149231A patent/RU2653589C1/ru active
  • 2015-05-15 EP EP15721282.0A patent/EP3143668B1/de active Active

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