EP2621027A1 - Assembly and element for high frequency connexion and method for making said element - Google Patents

Assembly and element for high frequency connexion and method for making said element Download PDF

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Publication number
EP2621027A1
EP2621027A1 EP13152728.5A EP13152728A EP2621027A1 EP 2621027 A1 EP2621027 A1 EP 2621027A1 EP 13152728 A EP13152728 A EP 13152728A EP 2621027 A1 EP2621027 A1 EP 2621027A1
Authority
EP
European Patent Office
Prior art keywords
ring
rod
connector
slot
hole
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.)
Granted
Application number
EP13152728.5A
Other languages
German (de)
French (fr)
Other versions
EP2621027B1 (en
Inventor
Nicolas Potet
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.)
Radiall SA
Original Assignee
Radiall SA
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Filing date
Publication date
Application filed by Radiall SA filed Critical Radiall SA
Publication of EP2621027A1 publication Critical patent/EP2621027A1/en
Application granted granted Critical
Publication of EP2621027B1 publication Critical patent/EP2621027B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R24/42—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 comprising impedance matching means or electrical components, e.g. filters or switches
    • H01R24/44—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 comprising impedance matching means or electrical components, e.g. filters or switches comprising impedance matching means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H01R43/24—Assembling by moulding on contact members
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/4921—Contact or terminal manufacturing by assembling plural parts with bonding

Definitions

  • the present invention relates to a microwave connection element, and a microwave connection assembly comprising at least one such element.
  • a component is said to be "microwaveā€ when it is capable of operating in the microwave range, for example at frequencies greater than 1 GHz.
  • An element is ā€œconductiveā€ when it passes the electric current, unlike an ā€œinsulatingā€ element.
  • a connection element or microwave connector such as the coaxial connector disclosed by US-A-2011 / 0161,050 , generally comprises a central conductor, constituted by a conductive rod which defines a longitudinal axis of the connector, and an external conductor disposed around the conductive rod and formed by a conductive body.
  • the stem and the body are separated radially by an insulator that supports the rod.
  • the connector is adapted to engage a complementary connector also comprising a central conductive rod, an insulator that supports the rod, and an outer conductive body.
  • the two connectors are mechanically removable from one another and when they are nested, an electrical contact is established between the rods of the two connectors on the one hand, and between the bodies of the two connectors on the other hand.
  • the signal transmitted by the connector to the complementary connector transits in particular as a wave in the space extending between the conductive rod and the conductive body, including the insulation.
  • the insulating elements that hold the rod relative to the body are designed not to disturb too much the electrical signal transmitted by the connector.
  • the overmolding of a washer is relatively complex to implement and sometimes creates burrs that need to be eliminated in an additional manufacturing step.
  • the quality of the signal transmission is conditioned by the characteristic impedance of the connector, which depends on the geometry of the connector and the dielectric constant of the insulating ring.
  • the connector with overmolded washer described above has a relatively complex geometry and therefore it is not easily achievable in dimensions for correctly transmitting a signal having a frequency greater than 40 GHz.
  • the complexity of this design leads to significant tolerances on the small dimensions of the connector, which may degrade the transmission of the signal.
  • the invention intends to remedy more particularly by proposing a connector having improved microwave performance, allowing easy and industrializable assembly, of simple design and allowing adjustment of the axial position of the precise connection rod. and easy.
  • the body has at least one hole that connects an outer surface of the connector to the inner passage.
  • the ring is solid and deformable and has an external peripheral groove communicating with the hole.
  • a resin for fixing the ring with the body is housed in the hole and in the groove of the ring.
  • the ring is removable before the resin is housed in the hole and in the groove of the ring.
  • the number of parts of the connector is reduced, which facilitates its manufacture and assembly, and does not introduce disturbances of the signal.
  • the geometry of the connector is simple and therefore the characteristic impedance of such a connection element is precisely controlled, which makes it possible to transmit signals having a frequency greater than 50 GHz satisfactorily.
  • Such a connection element can be of small dimensions, which allows satisfactory operation for high frequencies, of the order of 50 GHz.
  • the invention also relates to a microwave connection assembly comprising a plate and at least one such microwave element fixed to the plate.
  • connection assembly 1 comprising three identical connection elements or connectors 10 mounted on a plate 20.
  • a switching mechanism not shown, is provided for putting conductive strips into contact with the connectors 10.
  • the assembly 1 and the Switch mechanism together constitute a switch, commonly referred to as a "relay". According to the invention, the assembly 1 is not limited to the arrangement of the connectors 10 shown in FIGS. figures 1 and 2 .
  • each connector 10 comprises a body 2, a contact rod 3, and a positioning ring 4.
  • the elements 2, 3 and 4 generally have a symmetry of revolution about a geometric axis X of the connector 10.
  • the body 2 generally has the shape of a hollow cylinder with a circular cross-section, centered on the axis X and traversed by a longitudinal passage 21 centered on the axis X. Along the axis X, the body 2 comprises one end proximal E22 and a distal end E21.
  • proximal refers to an element close to the proximal end E22
  • distal refers to an element that is further away.
  • a surface is here described as ā€œinternalā€ if it is situated in the longitudinal passage 21 and turned towards the X axis, while a surface is described as ā€œexternalā€ if it is turned in an opposite direction, outwards
  • a surface here is quality of "radialā€ or ā€œaxialā€ depending on the orientation of a normal to this surface.
  • the distal portion of the connector 10 is provided to fit with a complementary connector not shown.
  • the longitudinal passage 21 comprises four cylindrical portions 211 to 214 of circular section which are distributed along the X axis between the ends E21 and E22 and which communicate with each other.
  • the proximal portion 212 and the distal portion 211 open respectively at the proximal end E22 or distal E21 of the body 2.
  • the connecting portion 213 and the intermediate portion 214 are located along the X axis between the Parts 211 and 212.
  • the portions 213 and 214 are adjacent and the connecting portion 213 opens into the proximal portion 212, while the intermediate portion 214 opens into the distal portion 211
  • the portions 212 and 214 have a respective diameter D212 or D214 which is smaller than the diameter D211 of the distal portion 211.
  • the portions 212 and 214 have an identical diameter, but alternatively the portions 212 and 214 have a different diameter.
  • the diameter D213 of the joining portion 213 is smaller than the diameters D212 and D214 of the portions 212 and 214.
  • the diameter D211 is of the order of 4.7 mm
  • the diameters D212 and D214 are of the order of 2.4 mm
  • the diameter D213 is of the order of 2 mm.
  • the body 2 comprises two coaxial holes 22a and 22b spaced angularly 180 Ā°, connecting an outer surface S21 of the body 2 to the longitudinal passage 21.
  • the holes 22a and 22b extend diametrically in a radial direction and open at the level of the part assembly 213 of the longitudinal passage 21.
  • the contact rod 3 is centered on the axis X and comprises three parts 31, 32 and 33 of circular section distributed along the axis X.
  • the rod 3 is monolithic, that is to say formed of a single piece.
  • a portion of the proximal portion 32 protrudes, along the X axis, beyond the proximal end E22 of the body 2 and outside the longitudinal passage 21.
  • the distal portion 31 of the contact rod 3 is housed in the intermediate portion 214 of the longitudinal passage 21.
  • the distal end of the distal portion 31 has a blind hole 311 provided for the fitting of an electrical plug forming part of a complementary connector not shown.
  • the connector 10 is therefore a "female" connector designed to be electrically connected and mechanically assembled with the complementary connector which is a ā€œmaleā€ connector.
  • Four slots 312 parallel to the X axis are formed in the distal portion 31 of the rod 3, around the blind hole 311, so as to form four elastic tabs commonly called ā€œtulip".
  • the portions 31 and 33 of the contact rod 3 have a respective external diameter D31 or D32 which is smaller than the diameters D211, D212, D213 and D214 of the longitudinal passage 21, so that an annular space 23 extends radially between the connecting rod 3 and the body 2.
  • the parts 31 and 33 of the contact rod 3 have the same diameter but it is not mandatory.
  • the diameters D31 and D32 are of the order of 1.05 mm.
  • the central portion 33 of the contact rod 3 has an external diameter D33 smaller than the diameters D31 and D32 of the portions 31 and 32.
  • the diameter D33 is of the order of 0.6 mm.
  • the central portion 33 is housed at the assembly portion 213 of the longitudinal passage 21.
  • the central portion of the central portion 33 of the contact rod 3 is located at the holes 22a and 22b.
  • the ratios between the diameters D214 / D31, D213 / D33 and D212 / D32 are determined so that the characteristic impedance, in the longitudinal passage 21 where the waveform signal passes, is constant, or even substantially constant, in each section of the connector 10, taking into account the value of the dielectric constants of the ring 4 and the vacuum.
  • the quality of the transmitted signal is optimal.
  • the central portion 33 of the contact rod 3 comprises eight peripheral fins 331, four of which are formed near the proximal portion 31 and four others are formed near the distal portion 32.
  • the fins 331 are raised elements which have generally annular shape and which are centered on the axis X.
  • the fins 331 are parallel to each other and are distributed along the axis X. As shown in FIG. figure 4 each fin 331 has a flat portion 332 perpendicular to the axis X.
  • the ring 4 is generally shaped hollow cylinder circular section.
  • the ring 4 is bipartite and consists of two half-rings 4a and 4b which each have generally the shape of a hollow half-cylinder with circular section extending along the axis X.
  • the ring 4 can be manufactured to from a monolithic piece of revolution, which is split in a plane passing through the axis X so as to form the half-rings 4a and 4b.
  • the half-rings 4a and 4b each comprise an internal flat surface S4a or S4b, parallel to the axis X. In the assembled configuration of the connector 10, the surfaces S4a and S4b are in contact with each other and form a slot 44 which separates the ring 4 into two parts.
  • the ring 4 is arranged around the central portion 33 of the rod 3.
  • the length of the ring 4, measured along the axis X, is equal to the functional clearance by the length of the groove formed by the reduction of diameter of the central portion 33 of the rod 3.
  • the ends of the ring 4 are each abutting against a shoulder formed by the reduction in diameter between the portions 31 and 32 of the rod 3 and the central portion 33. This blocks the translation of the ring 4 along the axis X, in one direction and the other. However, a certain axial clearance is present between the ring 4 and the rod 3.
  • each half-ring 4a and 4b is extended radially outwards by a peripheral flange 41a or 41b.
  • the proximal end of each half-ring 4a and 4b is extended radially outwardly by a peripheral half-collar 42a or 42b.
  • the half-collars 41a and 41b together form a distal collar 41, and the half-collars 42a and 42b together form a proximal collar 42.
  • the ring 4 thus comprises an outer annular peripheral groove 43 delimited on either side, along the axis X, by the flanges 41 and 42.
  • the groove 43 communicates with the holes 22a and 22b of the body 2.
  • the length of the X axis, the length L43 of the groove 43 is less than the length L213 of the connecting portion 213 of the longitudinal passage 21.
  • the flanges 41 and 42 bear against an inner surface S213 of the assembly part 213, and protrude respectively in the proximal 212 and intermediate 214 portions of the longitudinal passage 21.
  • Resin R is present in a connected volume V extending in the holes 22a and 22b as well as in the groove 43 of the ring 4.
  • the resin R is shown only at the figure 2 .
  • the volume V is closed, except at the outer end of the holes 22a and 22b.
  • the following description relates to a method of manufacturing the connector 10.
  • the ring 4 is manufactured, for example by molding, or by machining a block of material.
  • a removable wedge C is inserted in the proximal portion 211 of the housing 21.
  • the wedge C is shown in FIG. figure 2 only for the connector on the left and has a proximal flat surface C1 which is positioned against a shoulder 210 of the body 2, formed between the parts 211 and 214 of the longitudinal passage 21, so that the surface C1 delimits the distal end of the intermediate portion 214 of the longitudinal passage 21.
  • a second step 1002 the two half-rings 4a and 4b are disposed on either side of the central portion 33 of the contact rod 3. This operation is performed while the rod 3 is separated from the body 2, when it is not put in place in the longitudinal passage 21.
  • the ring 4 is made of PTFE (Teflon), so that it is slightly deformable and elastic.
  • the peripheral fins 331 deform the ring 4 and sink superficially into the ring 4, which blocks the translation of the ring 4 along the axis X relative to the rod 3.
  • the axial position of the ring 4 relative to the rod 3 is fixed accurately.
  • the rotation of the ring 4 relative to the rod 3 is blocked by the flats 332 of the peripheral fins 331.
  • a third step 1003 the assembly formed by the contact rod 3 and the ring 4 is inserted into the longitudinal passage 21.
  • the distal end E31 of the rod 3 is brought into contact with the distal surface C1 of the shim, which precisely positions the rod 3 relative to the body 2.
  • the groove 43 of the ring 23 is then in communication with the holes 22a and 22b of the body 2.
  • a liquid resin R is injected into one of the two holes 22a or 22b, the other hole 22b or 22a serving to evacuate the air and the excess resin.
  • the resin R appears at the other hole 22b or 22a, it means that a correct amount of resin has been injected.
  • the resin used is a two-component epoxy resin.
  • the resin R thus fills the volume V, that is to say both the holes 22a and 22b and the groove 43 of the ring 4.
  • the resin R fixes the ring 4 to the body 2.
  • the rod contact 3 being held in position relative to the contact rod 3, the contact rod 3 is also fixed relative to the body 2.
  • the step 1000 of manufacture of the ring 4 takes place before the steps 1002, 1003 and 1004.
  • a connector 10 having dimensions mentioned above as an example makes it possible to satisfactorily transmit a microwave signal of the order of 50 GHz.
  • Such a connector complies with the existing standards in terms of dimensions, mechanical resistance to mounting forces and endurance, such as standard IEC 61 169/40 for a 2.4 mm type connector for example.
  • the manufacture of such a connector is industrializable at low cost.
  • the ring 4 being made from PTFE, it has good performance in radio frequency. In addition, the ring 4 can be put in place without the need to implement a molding operation, which simplifies the manufacture and avoids introducing manufacturing defects resulting from molding.
  • the invention it is possible to precisely adjust the position of the contact rod 3 relative to the body 2, before the hardening of the resin R.
  • the manufacture of the connector 10 is thus simpler, and the connector 10 presents precisely controlled geometry, which guarantees good reliability and increases its service life.
  • the volume of resin is limited.
  • the performance of the connector 10 in radiofrequency is correct.
  • the resin does not deform the ring 4, which does not cause mismatch in the microwave field.
  • the connector 10 is adapted to correctly transmit signals having a frequency of the order of 50 GHz because it is of simple design and can be easily achieved in small dimensions. However, it can be used to operate at lower frequencies satisfactorily, in particular by increasing its dimensions.
  • the ring 4 is made of an insulating material other than PTFE, in particular to improve the mechanical strength of the connector 10.
  • the connector 10 is adaptable to standardized interfaces, for example of the SMA type, 2.9 mm, K or V.
  • the connector 10 is a female connector but alternatively it may be a male connector.
  • the blind hole 311 of the contact rod 3 is replaced by a solid plug adapted to be inserted into a hole of a female contact rod forming part of a complementary female connector.
  • the characteristic impedance of the connector 10 is generally constant in all the cross sections of the connector 10, along the axis X.
  • the characteristic impedance is accurately controlled, given the differences between the dielectric constants of the ring 4 and of the resin R, and by the definition of the dimensions of the connector 10.
  • the diameters D211, D212, D213 and D214 of the different portions 211 to 214 of the longitudinal passage 21 and the diameters D31, D32 and D33 of the rod 3 are defined given this difference in dielectric constants.
  • the diameter D213 of the longitudinal passage is smaller than the diameter D212 and D214 of the parts 212 and 214 to take into account the reduction in the diameter of the central portion 33 of the rod 3.
  • the contact rod 3 is monolithic, which simplifies the manufacture of the connector 10 is reduces the risk of manufacturing defects. This also improves the accuracy of the dimensions of the connector 10, which improves the reliability of its operation and its lifetime.
  • the ring 4 is full, that is to say it does not include recesses apart from its central hole. This makes it possible to transmit signals without altering their quality.
  • the ring 4 is removable before step 1004, that is to say before the resin R is housed in the holes 22a and 22b and in the groove 43 of the ring 4. Before step 1004, the resin R is located in the holes 22a and 22b and in the groove 43 of the ring 4. After step 1004, the resin R is housed in the holes 22a and 22b and in the groove 43 of the ring 4, and it fixes the ring 4 to the body 2. The ring 4 is no longer removable after step 1004.
  • the slot 44 of the ring 4 is not parallel to the axis X of the ring 4 but extends in a direction which has a circumferential component, insofar as this direction also has an axial component.
  • the ring 4 is monolithic and the slot extends only over a portion of the ring.
  • the two parts of the ring 4 which are separated by the slot are spaced apart from one another so as to allow the insertion of the ring
  • the ring then returns to its initial geometry by elastic return of the two parts against the rod 3.
  • the two parts of the ring are interconnected by the material of the ring and are not separable.
  • the fins 331 are replaced by raised elements having a different geometry, for example pins or harpoons.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The element (10) has a body (2) including an inner passage (21) surrounding a central axis (X), a monolithic conductive contact rod extending along the axis, and an insulating ring (4) surrounding the axis. The body includes holes (22a, 22b) that connect an outer surface of the connection element to the inner passage. The ring includes an outer peripheral slot (43) communicating with the holes, where a resin securing the ring with the body is housed in the hole and in the slot of the ring, and the ring is removable before the resin is housed in the holes and in the slot of the ring. An independent claim is also included for a method for manufacturing the hyperfrequency connection element.

Description

La prƩsente invention concerne un ƩlƩment de connexion hyperfrƩquence, ainsi qu'un ensemble de connexion hyperfrƩquence comprenant au moins un tel ƩlƩment.The present invention relates to a microwave connection element, and a microwave connection assembly comprising at least one such element.

Au sens de la prĆ©sente invention, un composant est dit "hyperfrĆ©quence" lorsqu'il est capable de fonctionner dans la gamme des hyperfrĆ©quences, par exemple Ć  des frĆ©quences supĆ©rieures Ć  1 GHz. Un Ć©lĆ©ment est Ā« conducteur Ā» lorsqu'il laisse passer le courant Ć©lectrique, Ć  l'inverse d'un Ć©lĆ©ment Ā« isolant Ā».For the purposes of the present invention, a component is said to be "microwave" when it is capable of operating in the microwave range, for example at frequencies greater than 1 GHz. An element is "conductive" when it passes the electric current, unlike an "insulating" element.

Un Ć©lĆ©ment de connexion ou connecteur hyperfrĆ©quence, tel que le connecteur coaxial divulguĆ© par US-A-2011/0 161 050 , comprend gĆ©nĆ©ralement un conducteur central, constituĆ© par une tige conductrice qui dĆ©finit un axe longitudinal du connecteur, et un conducteur externe disposĆ© autour de la tige conductrice et formĆ© par un corps conducteur. La tige et le corps sont sĆ©parĆ©s radialement par un isolant qui supporte la tige. Le connecteur est conƧu pour s'emboiter avec un connecteur complĆ©mentaire comprenant Ć©galement une tige conductrice centrale, un isolant qui supporte la tige, ainsi qu'un corps conducteur externe. Les deux connecteurs sont mĆ©caniquement dĆ©montables l'un par rapport Ć  l'autre et lorsqu'ils sont emboitĆ©s, un contact Ć©lectrique est Ć©tabli entre les tiges des deux connecteurs d'une part, et entre les corps des deux connecteurs d'autre part. Le signal transmis par le connecteur au connecteur complĆ©mentaire transite notamment sous forme d'onde dans l'espace s'Ć©tendant entre la tige conductrice et le corps conducteur, y compris dans l'isolant. Les Ć©lĆ©ments isolants qui maintiennent la tige par rapport au corps sont conƧus pour ne pas perturber de maniĆØre trop prononcĆ©e le signal Ć©lectrique transmis par le connecteur.A connection element or microwave connector, such as the coaxial connector disclosed by US-A-2011 / 0161,050 , generally comprises a central conductor, constituted by a conductive rod which defines a longitudinal axis of the connector, and an external conductor disposed around the conductive rod and formed by a conductive body. The stem and the body are separated radially by an insulator that supports the rod. The connector is adapted to engage a complementary connector also comprising a central conductive rod, an insulator that supports the rod, and an outer conductive body. The two connectors are mechanically removable from one another and when they are nested, an electrical contact is established between the rods of the two connectors on the one hand, and between the bodies of the two connectors on the other hand. The signal transmitted by the connector to the complementary connector transits in particular as a wave in the space extending between the conductive rod and the conductive body, including the insulation. The insulating elements that hold the rod relative to the body are designed not to disturb too much the electrical signal transmitted by the connector.

Selon l'art antĆ©rieur, pour maintenir la tige en position par rapport au corps du connecteur, il est notamment connu de surmouler une rondelle isolante autour d'une partie de la tige. Une premiĆØre extrĆ©mitĆ© axiale de la rondelle est placĆ©e en butĆ©e contre un Ć©paulement interne du corps. Une bague de maintien en position est disposĆ©e radialement entre la rondelle et le corps. Une extrĆ©mitĆ© de la bague comporte une collerette extĆ©rieure qui bloque la seconde extrĆ©mitĆ© de la rondelle au contact de l'Ć©paulement du corps. De cette maniĆØre, selon une direction radiale, la tige de connexion est maintenue en position par l'intermĆ©diaire de la rondelle surmoulĆ©e et de la bague. Selon une direction axiale, l'ensemble formĆ© par la tige et la rondelle surmoulĆ©e est maintenu de part et d'autre par l'Ć©paulement et par la collerette de la bague.According to the prior art, to maintain the rod in position relative to the body of the connector, it is in particular known to overmold an insulating washer around a portion of the rod. A first axial end of the washer is abutted against an internal shoulder of the body. A holding ring in position is disposed radially between the washer and the body. One end of the ring has an outer collar which blocks the second end of the washer in contact with the shoulder of the body. In this way, in a radial direction, the connecting rod is held in position by means of the overmolded washer and the ring. In an axial direction, the assembly formed by the rod and the overmolded washer is held on either side by the shoulder and the flange of the ring.

Le surmoulage d'une rondelle est relativement complexe Ć  mettre en oeuvre et crĆ©e parfois des bavures nĆ©cessitant d'ĆŖtre Ć©liminĆ©es dans une Ć©tape supplĆ©mentaire de fabrication.The overmolding of a washer is relatively complex to implement and sometimes creates burrs that need to be eliminated in an additional manufacturing step.

De maniĆØre connue, plus les dimensions d'un connecteur sont faibles et plus il pourra fonctionner Ć  des frĆ©quences Ć©levĆ©es. D'autre part, la qualitĆ© de la transmission du signal est conditionnĆ©e par l'impĆ©dance caractĆ©ristique du connecteur, qui dĆ©pend de la gĆ©omĆ©trie du connecteur et de la constante diĆ©lectrique de la bague isolanteIn a known manner, the smaller the dimensions of a connector, the more it will be able to operate at high frequencies. On the other hand, the quality of the signal transmission is conditioned by the characteristic impedance of the connector, which depends on the geometry of the connector and the dielectric constant of the insulating ring.

Le connecteur avec rondelle surmoulĆ©e dĆ©crit plus haut a une gĆ©omĆ©trie relativement complexe et par consĆ©quent il n'est pas aisĆ©ment rĆ©alisable dans des dimensions permettant de transmettre de maniĆØre correcte un signal ayant une frĆ©quence supĆ©rieure Ć  40 GHz. En outre, la complexitĆ© de cette conception entraine des tolĆ©rances importantes sur les dimensions faibles du connecteur, ce qui risque de dĆ©grader la transmission du signal.The connector with overmolded washer described above has a relatively complex geometry and therefore it is not easily achievable in dimensions for correctly transmitting a signal having a frequency greater than 40 GHz. In addition, the complexity of this design leads to significant tolerances on the small dimensions of the connector, which may degrade the transmission of the signal.

La fabrication et le montage d'un tel connecteur est relativement complexe, compte tenu du nombre de piĆØces qui le constituent. La superposition de la rondelle surmoulĆ©e avec la bague crĆ©e des discontinuitĆ©s qui tendent Ć  perturber le signal transmis. GĆ©nĆ©ralement, le corps d'un connecteur est montĆ© sur une platine fixe et il est nĆ©cessaire de rĆ©gler la position axiale de la tige par rapport au corps, afin de pouvoir maintenir une impĆ©dance caractĆ©ristique quasi-constante dans la ligne hyperfrĆ©quence et rĆ©aliser ainsi une connexion Ć©lectrique satisfaisante entre le connecteur et un connecteur complĆ©mentaire. Afin de fixer de maniĆØre prĆ©cise la position axiale de la tige par rapport Ć  la platine, il est connu d'intercaler des cales de rĆ©glage entre le connecteur et la platine. Pour ajuster correctement cette position, il est alors nĆ©cessaire de dĆ©monter le connecteur de la platine pour pouvoir ajouter ou supprimer des cales, ce qui est coĆ»teux et dĆ©licat en mettre en oeuvre, au vu des prĆ©cisions dimensionnelles requisesThe manufacture and assembly of such a connector is relatively complex, given the number of parts that constitute it. The superposition of the overmolded washer with the ring creates discontinuities that tend to disturb the transmitted signal. Generally, the body of a connector is mounted on a fixed plate and it is necessary to adjust the axial position of the rod relative to the body, so as to maintain a quasi-constant characteristic impedance in the microwave line and thus make a connection satisfactory electrical connection between the connector and a complementary connector. In order to precisely fix the axial position of the rod relative to the plate, it is known to interpose adjustment shims between the connector and the plate. To correctly adjust this position, it is then necessary to disassemble the connector of the plate to add or remove shims, which is expensive and difficult to implement, given the dimensional accuracy required

C'est Ć  ces inconvĆ©nients qu'entend plus particuliĆØrement remĆ©dier l'invention en proposant un connecteur ayant des performances amĆ©liorĆ©es en hyperfrĆ©quences, permettant un montage aisĆ© et industrialisable, de conception simple et permettant un rĆ©glage de la position axiale de la tige de connexion prĆ©cis et facile.It is these drawbacks that the invention intends to remedy more particularly by proposing a connector having improved microwave performance, allowing easy and industrializable assembly, of simple design and allowing adjustment of the axial position of the precise connection rod. and easy.

A cet effet, l'invention a pour objet un Ć©lĆ©ment de connexion hyperfrĆ©quence, conƧu pour ĆŖtre mis en connexion Ć©lectrique avec un connecteur complĆ©mentaire, comprenant :

  • un corps prĆ©sentant un passage interne entourant un axe central,
  • une tige de contact conductrice monolithique s'Ć©tendant le long de l'axe central
  • une bague isolante entourant l'axe central.
To this end, the subject of the invention is a microwave connection element, designed to be electrically connected with a complementary connector, comprising:
  • a body having an internal passage surrounding a central axis,
  • a monolithic conductive contact rod extending along the central axis
  • an insulating ring surrounding the central axis.

Le corps comporte au moins un trou qui relie une surface externe du connecteur au passage interne. La bague est pleine et dƩformable et comporte une rainure pƩriphƩrique externe communiquant avec le trou. Une rƩsine de fixation de la bague avec le corps est logƩe dans le trou et dans la rainure de la bague. La bague est amovible avant que la rƩsine soit logƩe dans le trou et dans la rainure de la bague.The body has at least one hole that connects an outer surface of the connector to the inner passage. The ring is solid and deformable and has an external peripheral groove communicating with the hole. A resin for fixing the ring with the body is housed in the hole and in the groove of the ring. The ring is removable before the resin is housed in the hole and in the groove of the ring.

GrĆ¢ce Ć  l'invention, le nombre de piĆØces du connecteur est rĆ©duit, ce qui facilite sa fabrication et son montage, et n'introduit pas de perturbations du signal. La gĆ©omĆ©trie du connecteur est simple et par consĆ©quent l'impĆ©dance caractĆ©ristique d'un tel Ć©lĆ©ment de connexion est maĆ®trisĆ©e prĆ©cisĆ©ment, ce qui permet de transmettre de maniĆØre satisfaisante des signaux ayant une frĆ©quence supĆ©rieure Ć  50 GHz. Un tel Ć©lĆ©ment de connexion peut ĆŖtre de dimensions rĆ©duites, ce qui permet un fonctionnement satisfaisant pour des hyperfrĆ©quences Ć©levĆ©es, de l'ordre de 50 GHz.Thanks to the invention, the number of parts of the connector is reduced, which facilitates its manufacture and assembly, and does not introduce disturbances of the signal. The geometry of the connector is simple and therefore the characteristic impedance of such a connection element is precisely controlled, which makes it possible to transmit signals having a frequency greater than 50 GHz satisfactorily. Such a connection element can be of small dimensions, which allows satisfactory operation for high frequencies, of the order of 50 GHz.

Selon des aspects avantageux mais non obligatoires de l'invention, un tel ƩlƩment de connexion peut incorporer une ou plusieurs des caractƩristiques suivantes, prises dans toutes combinaisons techniquement admissibles :

  • La bague comporte une fente s'Ć©tendant selon une direction prĆ©sentant au moins une composante axiale et traversant intĆ©gralement la bague et la bague est formĆ©e par deux demi-bagues sĆ©parables.
  • La bague est monolithique et dĆ©formable Ć©lastiquement et la bague comporte une fente s'Ć©tendant selon une direction prĆ©sentant au moins une composante axiale, la fente traversant uniquement une portion de la bague, la bague comprenant deux parties sĆ©parĆ©es par la fente et reliĆ©es entre elles.
  • Une premiĆØre partie de la tige de contact autour de laquelle est montĆ©e la bague comporte au moins un Ć©lĆ©ment en relief et la translation et la rotation de la bague par rapport Ć  la tige de contact, par rapport Ć  l'axe central, sont bloquĆ©es par l'Ć©lĆ©ment en relief.- Les Ć©lĆ©ments en relief comportent au moins une collerette externe annulaire prĆ©sentant un mĆ©plat de blocage de la rotation de la bague par rapport Ć  la tige de contact.
  • La bague est fabriquĆ©e Ć  partir de polytĆ©trafluoroĆ©thylĆØne.
According to advantageous but non-mandatory aspects of the invention, such a connection element may incorporate one or more of the following features, taken in any technically permissible combination:
  • The ring comprises a slot extending in a direction having at least one axial component and integrally through the ring and the ring is formed by two separable half-rings.
  • The ring is monolithic and elastically deformable and the ring comprises a slot extending in a direction having at least one axial component, the slot passing through only a portion of the ring, the ring comprising two parts separated by the slot and interconnected.
  • A first part of the contact rod around which the ring is mounted comprises at least one element in relief and the translation and rotation of the ring relative to the contact rod, relative to the central axis, are blocked by the raised element.- The raised elements comprise at least one annular outer collar having a flattening surface for preventing rotation of the ring with respect to the contact rod.
  • The ring is made from polytetrafluoroethylene.

L'invention concerne Ʃgalement un ensemble de connexion hyperfrƩquence comprenant une platine et au moins un tel ƩlƩment hyperfrƩquence fixƩ Ơ la platine.The invention also relates to a microwave connection assembly comprising a plate and at least one such microwave element fixed to the plate.

L'invention concerne Ʃgalement un procƩdƩ de fabrication d'un tel ƩlƩment de connexion hyperfrƩquence, comprenant au moins :

  • une Ć©tape, dans laquelle la bague isolante est mise en place autour de la tige conductrice,
  • une Ć©tape, dans laquelle l'ensemble formĆ© par la bague et la tige conductrice est insĆ©rĆ© dans le passage longitudinal du corps,
  • une Ć©tape, dans laquelle un matĆ©riau adhĆ©sif est injectĆ© dans le trou pour remplir la rainure de la bague.
The invention also relates to a method for manufacturing such a microwave connection element, comprising at least:
  • a step, in which the insulating ring is placed around the conductive rod,
  • a step, in which the assembly formed by the ring and the conductive rod is inserted into the longitudinal passage of the body,
  • a step, wherein an adhesive material is injected into the hole to fill the groove of the ring.

Selon des aspects avantageux mais non obligatoires de l'invention, un tel procƩdƩ peut incorporer une ou plusieurs des caractƩristiques suivantes, prises dans toutes combinaisons techniquement admissibles :

  • Les deux demi-bagues sont disposĆ©es de part et d'autre de la tige conductrice.
  • Les deux parties de la bague sont Ć©cartĆ©es pour insĆ©rer la bague autour de la tige conductrice.
According to advantageous but non-obligatory aspects of the invention, such a method may incorporate one or more of the following features, taken in any technically permissible combination:
  • The two half-rings are arranged on either side of the conductive rod.
  • The two parts of the ring are spaced to insert the ring around the conductive rod.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaƮtront plus clairement Ơ la description qui va suivre d'un ƩlƩment de connexion hyperfrƩquence ainsi qu'un ensemble de connexion comprenant un tel ƩlƩment, donnƩe uniquement Ơ titre d'exemples et faite en rƩfƩrence aux dessins annexƩs dans lesquels :

  • la figure 1 est une vue en perspective d'un ensemble de connexion conforme Ć  l'invention, comprenant trois Ć©lĆ©ments de connexion identiques ;
  • la figure 2 est une coupe selon le plan P2 Ć  la figure 1 ;
  • la figure 3 est une vue en perspective d'un Ć©lĆ©ment de connexion faisant partie de l'ensemble de connexion de la figure 1 ;
  • la figure 4 est une vue en perspective Ć©clatĆ©e de l'Ć©lĆ©ment de connexion de la figure 3 ; et
  • la figure 5 est une coupe selon le plan P5 Ć  la figure 3.
The invention will be better understood and other advantages thereof will appear more clearly in the following description of a microwave connection element as well as a connection assembly comprising such an element, given solely as examples. and with reference to the accompanying drawings in which:
  • the figure 1 is a perspective view of a connection assembly according to the invention, comprising three identical connection elements;
  • the figure 2 is a cut according to plan P2 at the figure 1 ;
  • the figure 3 is a perspective view of a connection element forming part of the connection assembly of the figure 1 ;
  • the figure 4 is an exploded perspective view of the connecting element of the figure 3 ; and
  • the figure 5 is a cut according to plane P5 to the figure 3 .

Les figures 1 et 2 montrent un ensemble de connexion 1 comprenant trois Ć©lĆ©ments de connexion ou connecteurs 10 identiques montĆ©s sur une platine 20. Un mĆ©canisme de commutation, non reprĆ©sentĆ©, est prĆ©vu pour la mise en contact de lamelles conductrices avec les connecteurs 10. L'ensemble 1 et le mĆ©canisme de commutation constituent ensemble un commutateur, communĆ©ment appelĆ© Ā« relais Ā». Selon l'invention, l'ensemble 1 n'est pas limitĆ© Ć  la disposition des connecteurs 10 montrĆ©e aux figures 1 et 2.The figures 1 and 2 show a connection assembly 1 comprising three identical connection elements or connectors 10 mounted on a plate 20. A switching mechanism, not shown, is provided for putting conductive strips into contact with the connectors 10. The assembly 1 and the Switch mechanism together constitute a switch, commonly referred to as a "relay". According to the invention, the assembly 1 is not limited to the arrangement of the connectors 10 shown in FIGS. figures 1 and 2 .

Les figures 3, 4 et 5 montrent un des connecteurs 10. Chaque connecteur 10 comprend un corps 2, une tige de contact 3, ainsi qu'une bague de positionnement 4. Les ƩlƩments 2, 3 et 4 prƩsentent globalement chacun une symƩtrie de rƩvolution autour d'un axe gƩomƩtrique X du connecteur 10.The figures 3 , 4 and 5 show one of the connectors 10. Each connector 10 comprises a body 2, a contact rod 3, and a positioning ring 4. The elements 2, 3 and 4 generally have a symmetry of revolution about a geometric axis X of the connector 10.

Le corps 2 a globalement la forme d'un cylindre creux Ơ section circulaire, centrƩ sur l'axe X et traversƩ par un passage longitudinal 21 centrƩ sur l'axe X. Le long de l'axe X, le corps 2 comporte une extrƩmitƩ proximale E22 et une extrƩmitƩ distale E21.The body 2 generally has the shape of a hollow cylinder with a circular cross-section, centered on the axis X and traversed by a longitudinal passage 21 centered on the axis X. Along the axis X, the body 2 comprises one end proximal E22 and a distal end E21.

L'adjectif "proximal" dƩsigne un ƩlƩment proche de l'extrƩmitƩ proximale E22, tandis que l'adjectif "distal" dƩsigne un ƩlƩment qui en est plus ƩloignƩ. Une surface est ici qualifiƩe "d'interne" si elle situƩe dans le passage longitudinal 21 et tournƩe vers l'axe X, tandis qu'une surface est qualifiƩe "d'externe" si elle tournƩe dans un sens opposƩ, vers l'extƩrieur du connecteur 10. En outre, une surface est ici qualitƩ de "radiale" ou "d'axiale" selon l'orientation d'une normale Ơ cette surface.The adjective "proximal" refers to an element close to the proximal end E22, while the adjective "distal" refers to an element that is further away. A surface is here described as "internal" if it is situated in the longitudinal passage 21 and turned towards the X axis, while a surface is described as "external" if it is turned in an opposite direction, outwards In addition, a surface here is quality of "radial" or "axial" depending on the orientation of a normal to this surface.

La partie distale du connecteur 10 est prƩvue pour s'emboƮter avec un connecteur complƩmentaire non reprƩsentƩ.The distal portion of the connector 10 is provided to fit with a complementary connector not shown.

Le passage longitudinal 21 comprend quatre parties 211 Ơ 214 cylindriques Ơ section circulaire qui sont rƩparties le long de l'axe X entre les extrƩmitƩs E21 et E22 et qui communiquent les unes avec les autres. La partie proximale 212 et la partie distale 211 dƩbouchent respectivement au niveau de l'extrƩmitƩ proximale E22 ou distale E21 du corps 2. La partie d'assemblage 213 et la partie intermƩdiaire 214 sont situƩes, le long de l'axe X, entre les parties 211 et 212. Les parties 213 et 214 sont attenantes et la partie d'assemblage 213 dƩbouche dans la partie proximale 212, tandis que la partie intermƩdiaire 214 dƩbouche dans la partie distale 211The longitudinal passage 21 comprises four cylindrical portions 211 to 214 of circular section which are distributed along the X axis between the ends E21 and E22 and which communicate with each other. The proximal portion 212 and the distal portion 211 open respectively at the proximal end E22 or distal E21 of the body 2. The connecting portion 213 and the intermediate portion 214 are located along the X axis between the Parts 211 and 212. The portions 213 and 214 are adjacent and the connecting portion 213 opens into the proximal portion 212, while the intermediate portion 214 opens into the distal portion 211

Les parties 212 et 214 ont un diamĆØtre respectif D212 ou D214 qui est infĆ©rieur au diamĆØtre D211 de la partie distale 211. Sur les figures, les parties 212 et 214 ont un diamĆØtre identique, mais en variante les parties 212 et 214 ont un diamĆØtre diffĆ©rent. Le diamĆØtre D213 de la partie d'assemblage 213 est infĆ©rieur aux diamĆØtres D212 et D214 des parties 212 et 214.The portions 212 and 214 have a respective diameter D212 or D214 which is smaller than the diameter D211 of the distal portion 211. In the figures, the portions 212 and 214 have an identical diameter, but alternatively the portions 212 and 214 have a different diameter. . The diameter D213 of the joining portion 213 is smaller than the diameters D212 and D214 of the portions 212 and 214.

Par exemple, le diamĆØtre D211 est de l'ordre de 4,7 mm, les diamĆØtres D212 et D214 sont de l'ordre de 2,4 mm et le diamĆØtre D213 est de l'ordre de 2 mm.For example, the diameter D211 is of the order of 4.7 mm, the diameters D212 and D214 are of the order of 2.4 mm and the diameter D213 is of the order of 2 mm.

Le corps 2 comporte deux trous 22a et 22b coaxiaux espacĆ©s angulairement de 180Ā°, reliant une surface externe S21 du corps 2 au passage longitudinal 21. Les trous 22a et 22b s'Ć©tendent diamĆ©tralement, selon une direction radiale et dĆ©bouchent au niveau de la partie d'assemblage 213 du passage longitudinal 21.The body 2 comprises two coaxial holes 22a and 22b spaced angularly 180 Ā°, connecting an outer surface S21 of the body 2 to the longitudinal passage 21. The holes 22a and 22b extend diametrically in a radial direction and open at the level of the part assembly 213 of the longitudinal passage 21.

La tige de contact 3 est centrĆ©e sur l'axe X et comprend trois parties 31, 32 et 33 de section circulaire rĆ©parties le long de l'axe X. La tige 3 est monolithique, c'est-Ć -dire formĆ©e d'une seule piĆØce. Une portion de la partie proximale 32 dĆ©passe, le long de l'axe X, au delĆ  de l'extrĆ©mitĆ© proximale E22 du corps 2 et Ć  l'extĆ©rieur du passage longitudinal 21. La partie distale 31 de la tige de contact 3 est logĆ©e dans la partie intermĆ©diaire 214 du passage longitudinal 21.The contact rod 3 is centered on the axis X and comprises three parts 31, 32 and 33 of circular section distributed along the axis X. The rod 3 is monolithic, that is to say formed of a single piece. A portion of the proximal portion 32 protrudes, along the X axis, beyond the proximal end E22 of the body 2 and outside the longitudinal passage 21. The distal portion 31 of the contact rod 3 is housed in the intermediate portion 214 of the longitudinal passage 21.

L'extrĆ©mitĆ© distale de la partie distale 31 comporte un trou borgne 311 prĆ©vu pour l'emmanchement d'une fiche Ć©lectrique faisant partie d'un connecteur complĆ©mentaire non reprĆ©sentĆ©. Le connecteur 10 est donc un connecteur Ā« femelle Ā» conƧu pour ĆŖtre connectĆ© Ć©lectriquement et assemblĆ© mĆ©caniquement avec le connecteur complĆ©mentaire qui est un connecteur Ā« mĆ¢le Ā». Quatre fentes 312 parallĆØles Ć  l'axe X sont rĆ©alisĆ©es dans la partie distale 31 de la tige 3, autour du trou borgne 311, de maniĆØre Ć  former quatre languettes Ć©lastiques communĆ©ment appelĆ©es Ā« tulipe Ā». Lors de la connexion d'une fiche Ć©lectrique d'un connecteur mĆ¢le dans le trou borgne 311, les languettes sont plaquĆ©es mĆ©caniquement contre la fiche Ć©lectrique, selon une direction centripĆØte, ce qui favorise le contact mĆ©canique et Ć©lectrique entre la tige 3 et la fiche Ć©lectrique mĆ¢le.The distal end of the distal portion 31 has a blind hole 311 provided for the fitting of an electrical plug forming part of a complementary connector not shown. The connector 10 is therefore a "female" connector designed to be electrically connected and mechanically assembled with the complementary connector which is a "male" connector. Four slots 312 parallel to the X axis are formed in the distal portion 31 of the rod 3, around the blind hole 311, so as to form four elastic tabs commonly called "tulip". When connecting an electrical plug of a male connector in the blind hole 311, the tabs are mechanically pressed against the electrical plug, in a centripetal direction, which promotes mechanical and electrical contact between the rod 3 and the plug male electric.

Les parties 31 et 33 de la tige de contact 3 ont un diamĆØtre externe respectif D31 ou D32 qui est infĆ©rieur aux diamĆØtres D211, D212, D213 et D214 du passage longitudinal 21, de sorte qu'un espace annulaire 23 s'Ć©tend radialement entre la tige de connexion 3 et le corps 2. Sur les figures, les parties 31 et 33 de la tige de contact 3 ont un diamĆØtre identique mais ce n'est pas obligatoire. Par exemple, les diamĆØtres D31 et D32 sont de l'ordre de 1,05 mm.The portions 31 and 33 of the contact rod 3 have a respective external diameter D31 or D32 which is smaller than the diameters D211, D212, D213 and D214 of the longitudinal passage 21, so that an annular space 23 extends radially between the connecting rod 3 and the body 2. In the figures, the parts 31 and 33 of the contact rod 3 have the same diameter but it is not mandatory. For example, the diameters D31 and D32 are of the order of 1.05 mm.

La partie centrale 33 de la tige de contact 3 a un diamĆØtre externe D33 plus faible que les diamĆØtres D31 et D32 des parties 31 et 32. Par exemple, le diamĆØtre D33 est de l'ordre de 0,6 mm. Le long de l'axe X, la partie centrale 33 est logĆ©e au niveau de la partie d'assemblage 213 du passage longitudinal 21. Ainsi, le long de l'axe X, la zone mĆ©diane partie centrale 33 de la tige de contact 3 se situe au niveau des trous 22a et 22b.The central portion 33 of the contact rod 3 has an external diameter D33 smaller than the diameters D31 and D32 of the portions 31 and 32. For example, the diameter D33 is of the order of 0.6 mm. Along the axis X, the central portion 33 is housed at the assembly portion 213 of the longitudinal passage 21. Thus, along the axis X, the central portion of the central portion 33 of the contact rod 3 is located at the holes 22a and 22b.

Les rapports entre les diamĆØtres D214/D31, D213/D33 et D212/D32 sont dĆ©terminĆ©s de maniĆØre Ć  ce que l'impĆ©dance caractĆ©ristique, dans le passage longitudinal 21 oĆ¹ transite le signal sous forme d'onde, soit constante, voire sensiblement constante, dans chaque section du connecteur 10, compte tenu de la valeur des constantes diĆ©lectriques de la bague 4 et du vide. Ainsi, la qualitĆ© du signal transmis est optimale.The ratios between the diameters D214 / D31, D213 / D33 and D212 / D32 are determined so that the characteristic impedance, in the longitudinal passage 21 where the waveform signal passes, is constant, or even substantially constant, in each section of the connector 10, taking into account the value of the dielectric constants of the ring 4 and the vacuum. Thus, the quality of the transmitted signal is optimal.

La partie centrale 33 de la tige de contact 3 comporte huit ailettes pĆ©riphĆ©riques 331, dont quatre sont rĆ©alisĆ©es Ć  proximitĆ© de la partie proximale 31 et quatre autres sont rĆ©alisĆ©es Ć  proximitĆ© de la partie distale 32. Les ailettes 331 sont des Ć©lĆ©ments en relief qui ont globalement une forme annulaire et qui sont centrĆ©s sur l'axe X. Les ailettes 331 sont parallĆØles l'une Ć  l'autre et sont rĆ©parties le long de l'axe X. Comme le montre la figure 4, chaque ailette 331 comporte un mĆ©plat 332 perpendiculaire Ć  l'axe X.The central portion 33 of the contact rod 3 comprises eight peripheral fins 331, four of which are formed near the proximal portion 31 and four others are formed near the distal portion 32. The fins 331 are raised elements which have generally annular shape and which are centered on the axis X. The fins 331 are parallel to each other and are distributed along the axis X. As shown in FIG. figure 4 each fin 331 has a flat portion 332 perpendicular to the axis X.

La bague 4 est globalement en forme de cylindre creux Ć  section circulaire. La bague 4 est bipartite et se compose de deux demi-bagues 4a et 4b qui ont chacune globalement la forme d'un demi-cylindre creux Ć  section circulaire s'Ć©tendant le long de l'axe X. La bague 4 peut ĆŖtre fabriquĆ©e Ć  partir d'une piĆØce monolithique de rĆ©volution, qui est fendue dans un plan passant par l'axe X de maniĆØre Ć  former les demi-bagues 4a et 4b. Les demi-bagues 4a et 4b comportent chacune une surface plane interne S4a ou S4b, parallĆØle Ć  l'axe X. En configuration assemblĆ©e du connecteur 10, les surfaces S4a et S4b sont en contact l'une avec l'autre et forment une fente 44 qui sĆ©pare la bague 4 en deux parties.The ring 4 is generally shaped hollow cylinder circular section. The ring 4 is bipartite and consists of two half-rings 4a and 4b which each have generally the shape of a hollow half-cylinder with circular section extending along the axis X. The ring 4 can be manufactured to from a monolithic piece of revolution, which is split in a plane passing through the axis X so as to form the half-rings 4a and 4b. The half-rings 4a and 4b each comprise an internal flat surface S4a or S4b, parallel to the axis X. In the assembled configuration of the connector 10, the surfaces S4a and S4b are in contact with each other and form a slot 44 which separates the ring 4 into two parts.

La bague 4 est disposĆ©e autour de la partie centrale 33 de la tige 3. La longueur de la bague 4, mesurĆ©e le long de l'axe X, est Ć©gale, au jeu fonctionnel prĆØs, Ć  la longueur de la rainure formĆ©e par la rĆ©duction de diamĆØtre de la partie centrale 33 de la tige 3. Les extrĆ©mitĆ©s de la bague 4 sont ainsi chacune en butĆ©e contre un Ć©paulement formĆ© par la rĆ©duction de diamĆØtre entre les parties 31 et 32 de la tige 3 et la partie centrale 33. Ceci bloque la translation de la bague 4 le long de l'axe X, dans un sens et dans l'autre. Toutefois, un certain jeu axial est prĆ©sent entre la bague 4 et la tige 3.The ring 4 is arranged around the central portion 33 of the rod 3. The length of the ring 4, measured along the axis X, is equal to the functional clearance by the length of the groove formed by the reduction of diameter of the central portion 33 of the rod 3. The ends of the ring 4 are each abutting against a shoulder formed by the reduction in diameter between the portions 31 and 32 of the rod 3 and the central portion 33. This blocks the translation of the ring 4 along the axis X, in one direction and the other. However, a certain axial clearance is present between the ring 4 and the rod 3.

L'extrĆ©mitĆ© distale de chaque demi-bague 4a et 4b est prolongĆ©e radialement vers l'extĆ©rieur par une demi-collerette pĆ©riphĆ©rique 41 a ou 41 b. De mĆŖme, l'extrĆ©mitĆ© proximale de chaque demi-bague 4a et 4b est prolongĆ©e radialement vers l'extĆ©rieur par une demi-collerette pĆ©riphĆ©rique 42a ou 42b. Les demi-collerettes 41 a et 41 b forment ensemble une collerette distale 41, et les demi-collerettes 42a et 42b forment ensemble une collerette proximale 42.The distal end of each half-ring 4a and 4b is extended radially outwards by a peripheral flange 41a or 41b. Similarly, the proximal end of each half-ring 4a and 4b is extended radially outwardly by a peripheral half-collar 42a or 42b. The half-collars 41a and 41b together form a distal collar 41, and the half-collars 42a and 42b together form a proximal collar 42.

La bague 4 comporte ainsi une rainure pƩriphƩrique annulaire externe 43 dƩlimitƩe de part et d'autre, le long de l'axe X, par les collerettes 41 et 42. La rainure 43 communique avec les trous 22a et 22b du corps 2. Le long de l'axe X, la longueur L43 de la rainure 43 est infƩrieure Ơ la longueur L213 de la partie d'assemblage 213 du passage longitudinal 21. Les collerettes 41 et 42 sont en appui contre une surface interne S213 de la partie d'assemblage 213, et dƩpassent respectivement dans les parties proximales 212 et intermƩdiaires 214 du passage longitudinal 21.The ring 4 thus comprises an outer annular peripheral groove 43 delimited on either side, along the axis X, by the flanges 41 and 42. The groove 43 communicates with the holes 22a and 22b of the body 2. The length of the X axis, the length L43 of the groove 43 is less than the length L213 of the connecting portion 213 of the longitudinal passage 21. The flanges 41 and 42 bear against an inner surface S213 of the assembly part 213, and protrude respectively in the proximal 212 and intermediate 214 portions of the longitudinal passage 21.

De la rƩsine R est prƩsente dans un volume V connexe s'Ʃtendant dans les trous 22a et 22b ainsi que dans la rainure 43 de la bague 4. La rƩsine R est reprƩsentƩe uniquement Ơ la figure 2. Le volume V est fermƩ, mis Ơ part au niveau le l'extrƩmitƩ externe des trous 22a et 22b.Resin R is present in a connected volume V extending in the holes 22a and 22b as well as in the groove 43 of the ring 4. The resin R is shown only at the figure 2 . The volume V is closed, except at the outer end of the holes 22a and 22b.

La suite de la description concerne un procƩdƩ de fabrication du connecteur 10.The following description relates to a method of manufacturing the connector 10.

Dans une Ć©tape de fabrication 1000, la bague 4 est fabriquĆ©e, par exemple par moulage, ou par usinage d'un bloc de matiĆØre.In a manufacturing step 1000, the ring 4 is manufactured, for example by molding, or by machining a block of material.

Dans une premiĆØre Ć©tape de fabrication 1001, pour rĆ©gler la position axiale de la tige de contact 3 par rapport au corps 2, on insĆØre une cale amovible C dans la partie proximale 211 du logement 21. La cale C est reprĆ©sentĆ©e Ć  la figure 2 uniquement pour le connecteur situĆ© Ć  gauche et comporte une surface plane proximale C1 qui est positionnĆ©e contre un Ć©paulement 210 du corps 2, formĆ© entre les parties 211 et 214 du passage longitudinal 21, de sorte que la surface C1 dĆ©limite l'extrĆ©mitĆ© distale de la partie intermĆ©diaire 214 du passage longitudinal 21.In a first manufacturing step 1001, to adjust the axial position of the contact rod 3 relative to the body 2, a removable wedge C is inserted in the proximal portion 211 of the housing 21. The wedge C is shown in FIG. figure 2 only for the connector on the left and has a proximal flat surface C1 which is positioned against a shoulder 210 of the body 2, formed between the parts 211 and 214 of the longitudinal passage 21, so that the surface C1 delimits the distal end of the intermediate portion 214 of the longitudinal passage 21.

Dans une deuxiĆØme Ć©tape 1002, les deux demi-bagues 4a et 4b sont disposĆ©es de part et d'autre de la partie centrale 33 de la tige de contact 3. Cette opĆ©ration est rĆ©alisĆ©e alors que la tige 3 est sĆ©parĆ©e du corps 2, lorsqu'elle n'est pas mise en place dans le passage longitudinal 21. La bague 4 est rĆ©alisĆ©e en PTFE (tĆ©flon), de sorte qu'elle est lĆ©gĆØrement dĆ©formable et Ć©lastique. Lorsque les deux demi-bagues 4a et 4b sont disposĆ©es de part et d'autre de la partie centrale 33, les ailettes pĆ©riphĆ©riques 331 dĆ©forment la bague 4 et s'enfoncent superficiellement dans la bague 4, ce qui bloque la translation de la bague 4 le long de l'axe X par rapport Ć  la tige 3. Ainsi, la position axiale de la bague 4 par rapport Ć  la tige 3 est fixĆ©e de maniĆØre prĆ©cise. La rotation de la bague 4 par rapport Ć  la tige 3 est bloquĆ©e grĆ¢ce aux mĆ©plats 332 des ailettes pĆ©riphĆ©riques 331.In a second step 1002, the two half-rings 4a and 4b are disposed on either side of the central portion 33 of the contact rod 3. This operation is performed while the rod 3 is separated from the body 2, when it is not put in place in the longitudinal passage 21. The ring 4 is made of PTFE (Teflon), so that it is slightly deformable and elastic. When the two half-rings 4a and 4b are disposed on either side of the central portion 33, the peripheral fins 331 deform the ring 4 and sink superficially into the ring 4, which blocks the translation of the ring 4 along the axis X relative to the rod 3. Thus, the axial position of the ring 4 relative to the rod 3 is fixed accurately. The rotation of the ring 4 relative to the rod 3 is blocked by the flats 332 of the peripheral fins 331.

Dans une troisiĆØme Ć©tape 1003, l'ensemble formĆ© par la tige de contact 3 et la bague 4 est insĆ©rĆ© dans le passage longitudinal 21. L'extrĆ©mitĆ© distale E31 de la tige 3 est amenĆ©e au contact de la surface distale C1 de la cale, ce qui positionne prĆ©cisĆ©ment la tige 3 par rapport au corps 2. La rainure 43 de la bague 23 est alors en communication avec les trous 22a et 22b du corps 2.In a third step 1003, the assembly formed by the contact rod 3 and the ring 4 is inserted into the longitudinal passage 21. The distal end E31 of the rod 3 is brought into contact with the distal surface C1 of the shim, which precisely positions the rod 3 relative to the body 2. The groove 43 of the ring 23 is then in communication with the holes 22a and 22b of the body 2.

Dans une quatriĆØme Ć©tape 1004 se dĆ©roulant aprĆØs la troisiĆØme Ć©tape 1003, une rĆ©sine liquide R est injectĆ©e dans l'un des deux trous 22a ou 22b, l'autre trou 22b ou 22a servant Ć  Ć©vacuer l'air et le surplus de rĆ©sine. Lorsque la rĆ©sine R apparait au niveau de l'autre trou 22b ou 22a, cela signifie qu'une quantitĆ© correcte de rĆ©sine a Ć©tĆ© injectĆ©e. Par exemple, la rĆ©sine utilisĆ©e est une rĆ©sine Ć©poxy bi-composant. La rĆ©sine R remplit ainsi le volume V, c'est-Ć -dire Ć  la fois les trous 22a et 22b et la rainure 43 de la bague 4. En durcissant, la rĆ©sine R fixe la bague 4 au corps 2. La tige de contact 3 Ć©tant maintenue en position par rapport Ć  la tige de contact 3, la tige de contact 3 est Ć©galement fixe par rapport au corps 2.In a fourth step 1004 taking place after the third step 1003, a liquid resin R is injected into one of the two holes 22a or 22b, the other hole 22b or 22a serving to evacuate the air and the excess resin. When the resin R appears at the other hole 22b or 22a, it means that a correct amount of resin has been injected. For example, the resin used is a two-component epoxy resin. The resin R thus fills the volume V, that is to say both the holes 22a and 22b and the groove 43 of the ring 4. By hardening, the resin R fixes the ring 4 to the body 2. The rod contact 3 being held in position relative to the contact rod 3, the contact rod 3 is also fixed relative to the body 2.

L'Ć©tape 1000 de fabrication de la bague 4 a lieu avant les Ć©tapes 1002, 1003 et 1004.The step 1000 of manufacture of the ring 4 takes place before the steps 1002, 1003 and 1004.

Un connecteur 10 prĆ©sentant des dimensions mentionnĆ©es plus haut en exemple permet de transmettre de maniĆØre satisfaisante un signal hyperfrĆ©quence de l'ordre de 50 GHz. Un tel connecteur respecte les normes existantes en termes de dimensions, de rĆ©sistance mĆ©canique aux efforts de montage et d'endurance, telle que la norme IEC 61 169/40 pour un connecteur de type 2.4 mm par exemple. La fabrication d'un tel connecteur est industrialisable Ć  faible coĆ»t.A connector 10 having dimensions mentioned above as an example makes it possible to satisfactorily transmit a microwave signal of the order of 50 GHz. Such a connector complies with the existing standards in terms of dimensions, mechanical resistance to mounting forces and endurance, such as standard IEC 61 169/40 for a 2.4 mm type connector for example. The manufacture of such a connector is industrializable at low cost.

La bague 4 Ć©tant fabriquĆ©e Ć  partir de PTFE, elle prĆ©sente de bonnes performances en radiofrĆ©quence. De plus, la bague 4 peut ĆŖtre mise en place sans nĆ©cessiter de mettre en oeuvre une opĆ©ration de moulage, ce qui simplifie la fabrication et Ć©vite d'introduire des dĆ©fauts de fabrication rĆ©sultant du moulage.The ring 4 being made from PTFE, it has good performance in radio frequency. In addition, the ring 4 can be put in place without the need to implement a molding operation, which simplifies the manufacture and avoids introducing manufacturing defects resulting from molding.

GrĆ¢ce Ć  l'invention, il est possible d'ajuster prĆ©cisĆ©ment la position de la tige de contact 3 par rapport au corps 2, avant le durcissement de la rĆ©sine R. La fabrication du connecteur 10 est ainsi plus simple, et le connecteur 10 prĆ©sente une gĆ©omĆ©trie maitrisĆ©e prĆ©cisĆ©ment, ce qui garantit une bonne fiabilitĆ© et augmente sa durĆ©e de vie.Thanks to the invention, it is possible to precisely adjust the position of the contact rod 3 relative to the body 2, before the hardening of the resin R. The manufacture of the connector 10 is thus simpler, and the connector 10 presents precisely controlled geometry, which guarantees good reliability and increases its service life.

Dans le connecteur 10, le volume de rƩsine est limitƩ. Ainsi, les performances du connecteur 10 en radiofrƩquence sont correctes.In the connector 10, the volume of resin is limited. Thus, the performance of the connector 10 in radiofrequency is correct.

La rƩsine ne dƩforme pas la bague 4, ce qui n'entraƮne pas de dƩsadaptation dans le domaine des hyperfrƩquences.The resin does not deform the ring 4, which does not cause mismatch in the microwave field.

Le connecteur 10 est adaptĆ© pour transmettre correctement des signaux ayant une frĆ©quence de l'ordre de 50 GHz car il est de conception simple et peut ĆŖtre rĆ©alisĆ© aisĆ©ment dans des dimensions faibles. Il peut toutefois ĆŖtre utilisĆ© pour fonctionner Ć  des frĆ©quences plus basses, de maniĆØre satisfaisante, notamment en augmentant ses dimensions.The connector 10 is adapted to correctly transmit signals having a frequency of the order of 50 GHz because it is of simple design and can be easily achieved in small dimensions. However, it can be used to operate at lower frequencies satisfactorily, in particular by increasing its dimensions.

En variante, la bague 4 est rƩalisƩe dans un matƩriau isolant diffƩrent du PTFE, notamment pour amƩliorer la tenue mƩcanique du connecteur 10.As a variant, the ring 4 is made of an insulating material other than PTFE, in particular to improve the mechanical strength of the connector 10.

Le connecteur 10 est adaptable Ơ des interfaces normalisƩes, par exemple du type SMA, 2.9 mm, K ou V.The connector 10 is adaptable to standardized interfaces, for example of the SMA type, 2.9 mm, K or V.

Le connecteur 10 est un connecteur femelle mais en variante il peut s'agir d'un connecteur mĆ¢le. Dans ce cas, le trou borgne 311 de la tige de contact 3 est remplacĆ© par une fiche pleine prĆ©vue pour ĆŖtre insĆ©rĆ©e dans un trou d'une tige de contact femelle faisant partie d'un connecteur femelle complĆ©mentaire.The connector 10 is a female connector but alternatively it may be a male connector. In this case, the blind hole 311 of the contact rod 3 is replaced by a solid plug adapted to be inserted into a hole of a female contact rod forming part of a complementary female connector.

L'impĆ©dance caractĆ©ristique du connecteur 10 est globalement constante dans toutes les sections transversales du connecteur 10, le long de l'axe X. L'impĆ©dance caractĆ©ristique est maitrisĆ©e de maniĆØre prĆ©cise, compte tenu des diffĆ©rences entre les constantes diĆ©lectriques de la bague 4 et de la rĆ©sine R, et par la dĆ©finition des dimensions du connecteur 10. En particulier, les diamĆØtres D211, D212, D213 et D214 des diffĆ©rentes parties 211 Ć  214 du passage longitudinal 21 et les diamĆØtres D31, D32 et D33 de la tige 3 sont dĆ©finis compte tenu de cette diffĆ©rence de constantes diĆ©lectriques. Par exemple, au niveau de la bague 4, le diamĆØtre D213 du passage longitudinal est plus faible que le diamĆØtre D212 et D214 des parties 212 et 214 pour tenir compte de la rĆ©duction du diamĆØtre de la partie centrale 33 de la tige 3.The characteristic impedance of the connector 10 is generally constant in all the cross sections of the connector 10, along the axis X. The characteristic impedance is accurately controlled, given the differences between the dielectric constants of the ring 4 and of the resin R, and by the definition of the dimensions of the connector 10. In particular, the diameters D211, D212, D213 and D214 of the different portions 211 to 214 of the longitudinal passage 21 and the diameters D31, D32 and D33 of the rod 3 are defined given this difference in dielectric constants. For example, at the level of the ring 4, the diameter D213 of the longitudinal passage is smaller than the diameter D212 and D214 of the parts 212 and 214 to take into account the reduction in the diameter of the central portion 33 of the rod 3.

La tige de contact 3 est monolithique, ce qui simplifie la fabrication du connecteur 10 est diminue les risques de dƩfauts de fabrication. Ceci amƩliore Ʃgalement la prƩcision des dimensions du connecteur 10, ce qui amƩliore la fiabilitƩ de son fonctionnement et sa durƩe de vie.The contact rod 3 is monolithic, which simplifies the manufacture of the connector 10 is reduces the risk of manufacturing defects. This also improves the accuracy of the dimensions of the connector 10, which improves the reliability of its operation and its lifetime.

La bague 4 est pleine, c'est-Ơ-dire qu'elle ne comporte par d'Ʃvidements mis Ơ part son trou central. Ceci permet de transmettre des signaux sans en altƩrer la qualitƩ.The ring 4 is full, that is to say it does not include recesses apart from its central hole. This makes it possible to transmit signals without altering their quality.

La bague 4 est amovible avant l'Ć©tape 1004, c'est-Ć -dire avant que la rĆ©sine R soit logĆ©e dans les trous 22a et 22b et dans la rainure 43 de la bague 4. Avant l'Ć©tape 1004, la rĆ©sine R est logeable dans les trous 22a et 22b et dans la rainure 43 de la bague 4. AprĆØs l'Ć©tape 1004, la rĆ©sine R est logĆ©e dans les trous 22a et 22b et dans la rainure 43 de la bague 4, et elle fixe la bague 4 au corps 2. La bague 4 n'est donc plus amovible aprĆØs l'Ć©tape 1004.The ring 4 is removable before step 1004, that is to say before the resin R is housed in the holes 22a and 22b and in the groove 43 of the ring 4. Before step 1004, the resin R is located in the holes 22a and 22b and in the groove 43 of the ring 4. After step 1004, the resin R is housed in the holes 22a and 22b and in the groove 43 of the ring 4, and it fixes the ring 4 to the body 2. The ring 4 is no longer removable after step 1004.

En variante, la fente 44 de la bague 4 n'est pas parallĆØle Ć  l'axe X de la bague 4 mais s'Ć©tend selon une direction qui prĆ©sente une composante circonfĆ©rentielle, dans la mesure oĆ¹ cette direction prĆ©sente Ć©galement une composante axiale.As a variant, the slot 44 of the ring 4 is not parallel to the axis X of the ring 4 but extends in a direction which has a circumferential component, insofar as this direction also has an axial component.

En variante, la bague 4 est monolithique et la fente s'Ć©tend uniquement sur une partie de la bague. Dans ce cas, pour la fabrication du connecteur 10, lors de l'Ć©tape 1002, les deux parties de la bague 4 qui sont sĆ©parĆ©es par la fente sont Ć©cartĆ©es l'une de l'autre de maniĆØre Ć  permettre l'insertion de la bague autour de la tige de contact 3. La bague retrouve ensuite sa gĆ©omĆ©trie initiale par retour Ć©lastique des deux parties contre la tige 3. Les deux parties de la bague sont reliĆ©es entre elles par la matiĆØre de la bague et ne sont pas sĆ©parables.Alternatively, the ring 4 is monolithic and the slot extends only over a portion of the ring. In this case, for the manufacture of the connector 10, during the step 1002, the two parts of the ring 4 which are separated by the slot are spaced apart from one another so as to allow the insertion of the ring The ring then returns to its initial geometry by elastic return of the two parts against the rod 3. The two parts of the ring are interconnected by the material of the ring and are not separable.

En variante, les ailettes 331 sont remplacƩes par des ƩlƩments en relief ayant une gƩomƩtrie diffƩrente, par exemple des picots ou des harpons.As a variant, the fins 331 are replaced by raised elements having a different geometry, for example pins or harpoons.

Dans le cadre de l'invention, les diffĆ©rentes variantes peuvent ĆŖtre combinĆ©es entre elles.In the context of the invention, the different variants can be combined with each other.

Claims (10)

ElĆ©ment de connexion hyperfrĆ©quence (10), conƧu pour ĆŖtre mis en connexion Ć©lectrique avec un connecteur complĆ©mentaire, comprenant : - un corps (2) prĆ©sentant un passage interne (21) entourant un axe central (X), - une tige de contact (3) conductrice monolithique s'Ć©tendant le long de l'axe central (X) - une bague (4) isolante entourant l'axe central (X), caractĆ©risĆ© en ce que le corps (2) comporte au moins un trou (22a, 22b) qui relie une surface externe (S21) du connecteur (10) au passage interne (21), en ce que la bague (4) est pleine et dĆ©formable, en ce que la bague (4) comporte une rainure pĆ©riphĆ©rique externe (43) communiquant avec le trou (22a, 22b), en ce qu'une rĆ©sine (R) de fixation de la bague (4) avec le corps (2) est logĆ©e dans le trou (22a, 22b) et dans la rainure (43) de la bague (4) et en ce que la bague (4) est amovible avant que la rĆ©sine (R) soit logĆ©e dans le trou (22a, 22b) et dans la rainure (43) de la bague (4).Microwave connection element (10), adapted to be electrically connected with a complementary connector, comprising: a body (2) having an internal passage (21) surrounding a central axis (X), a monolithic conductive contact rod (3) extending along the central axis (X) an insulating ring (4) surrounding the central axis (X), characterized in that the body (2) has at least one hole (22a, 22b) which connects an outer surface (S21) of the connector (10) to the inner passage (21), in that the ring (4) is solid and deformable, in that the ring (4) has an external peripheral groove (43) communicating with the hole (22a, 22b), in that a resin (R) for fixing the ring (4) with the body (2) ) is housed in the hole (22a, 22b) and in the groove (43) of the ring (4) and in that the ring (4) is removable before the resin (R) is housed in the hole (22a, 22b) and in the groove (43) of the ring (4). ElĆ©ment (10) selon la revendication 1, caractĆ©risĆ© en ce que la bague (4) comporte une fente (44) s'Ć©tendant selon une direction prĆ©sentant au moins une composante axiale et traversant intĆ©gralement la bague (4) et en ce que la bague (4) est formĆ©e par deux demi-bagues (4a, 4b) sĆ©parables.Element (10) according to claim 1, characterized in that the ring (4) has a slot (44) extending in a direction having at least one axial component and integrally through the ring (4) and in that the ring (4) is formed by two separable half-rings (4a, 4b). ElĆ©ment (10) selon la revendication 1, caractĆ©risĆ© en ce que la bague (4) est monolithique et dĆ©formable Ć©lastiquement et en ce que la bague (4) comporte une fente (44) s'Ć©tendant selon une direction prĆ©sentant au moins une composante axiale, la fente (44) traversant uniquement une portion de la bague (4), la bague (4) comprenant deux parties sĆ©parĆ©es par la fente (44) et reliĆ©es entre elles.Element (10) according to claim 1, characterized in that the ring (4) is monolithic and elastically deformable and in that the ring (4) comprises a slot (44) extending in a direction having at least one axial component , the slot (44) passing through only a portion of the ring (4), the ring (4) comprising two parts separated by the slot (44) and interconnected. ElĆ©ment (10) selon l'une des revendications prĆ©cĆ©dentes, caractĆ©risĆ© en ce qu'une premiĆØre partie (33) de la tige de contact (3) autour de laquelle est montĆ©e la bague (4) comporte au moins un Ć©lĆ©ment en relief (331) et en ce que la translation et la rotation de la bague (4) par rapport Ć  la tige de contact (3), par rapport Ć  l'axe central (X), sont bloquĆ©es par l'Ć©lĆ©ment en relief (331).Element (10) according to one of the preceding claims, characterized in that a first part (33) of the contact rod (3) around which the ring (4) is mounted comprises at least one element in relief (331 ) and in that the translation and rotation of the ring (4) with respect to the contact rod (3), relative to the central axis (X), are blocked by the raised element (331). ElĆ©ment (10) selon la revendication 4, caractĆ©risĆ© en ce que les Ć©lĆ©ments en relief (331) comportent au moins une collerette externe annulaire (331) prĆ©sentant un mĆ©plat (332) de blocage de la rotation de la bague (4) par rapport Ć  la tige de contact (3).Element (10) according to claim 4, characterized in that the raised elements (331) comprise at least one annular outer flange (331) having a flattening surface (332) for blocking the rotation of the ring (4) with respect to the contact rod (3). ElĆ©ment (10) selon l'une des revendications prĆ©cĆ©dentes, caractĆ©risĆ© en ce que la bague (4) est fabriquĆ©e Ć  partir de polytĆ©trafluoroĆ©thylĆØne.Element (10) according to one of the preceding claims, characterized in that the ring (4) is made from polytetrafluoroethylene. Ensemble de connexion hyperfrĆ©quence (1), caractĆ©risĆ© en ce qu'il comprend une platine (20) et au moins un Ć©lĆ©ment (10) selon l'une des revendications prĆ©cĆ©dentes fixĆ© Ć  la platine (20).Microwave connection assembly (1), characterized in that it comprises a plate (20) and at least one element (10) according to one of the preceding claims fixed to the plate (20). ProcĆ©dĆ© de fabrication d'un Ć©lĆ©ment de connexion hyperfrĆ©quence (10) selon l'une des revendications 1 Ć  6, caractĆ©risĆ© en ce qu'il comprend au moins : - une Ć©tape (1002), dans laquelle la bague isolante (4) est mise en place autour de la tige conductrice (3 ; 103), - une Ć©tape (1003), dans laquelle l'ensemble formĆ© par la bague (4) et la tige conductrice (3) est insĆ©rĆ© dans le passage longitudinal (21) du corps (2), - une Ć©tape (1004), dans laquelle un matĆ©riau adhĆ©sif est injectĆ© dans le trou (22a, 22b) pour remplir la rainure (43) de la bague (4). A method of manufacturing a microwave connection element (10) according to one of claims 1 to 6, characterized in that it comprises at least: a step (1002) in which the insulating ring (4) is placed around the conducting rod (3; 103), a step (1003) in which the assembly formed by the ring (4) and the conducting rod (3) is inserted into the longitudinal passage (21) of the body (2), a step (1004) in which an adhesive material is injected into the hole (22a, 22b) to fill the groove (43) of the ring (4). ProcĆ©dĆ© selon la revendication 8 de fabrication d'un Ć©lĆ©ment (10) selon la revendication 2, caractĆ©risĆ© en ce que lors de l'Ć©tape (1002), les deux demi-bagues (4a ; 4b) sont disposĆ©es de part et d'autre de la tige conductrice (3).A method according to claim 8 for manufacturing an element (10) according to claim 2, characterized in that during step (1002), the two half-rings (4a; 4b) are arranged on either side of the conductive rod (3). ProcĆ©dĆ© selon la revendication 8 de fabrication d'un Ć©lĆ©ment (10) selon la revendication 3, caractĆ©risĆ© en ce que lors de l'Ć©tape (1002), les deux parties de la bague (4) sont Ć©cartĆ©es pour insĆ©rer la bague (4) autour de la tige conductrice (3).A method according to claim 8 for manufacturing an element (10) according to claim 3, characterized in that during step (1002), the two parts of the ring (4) are spaced to insert the ring (4) around the conductive rod (3).
EP13152728.5A 2012-01-26 2013-01-25 Assembly and element for high frequency connexion and method for making said element Active EP2621027B1 (en)

Applications Claiming Priority (1)

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FR1250766A FR2986378B1 (en) 2012-01-26 2012-01-26 HYPERFREQUENCY CONNECTION ASSEMBLY AND ELEMENT AND METHOD OF MANUFACTURING THE SAME

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EP2621027B1 EP2621027B1 (en) 2014-03-12

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EP (1) EP2621027B1 (en)
CN (1) CN103227387B (en)
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FR2986378B1 (en) 2014-11-28
FR2986378A1 (en) 2013-08-02
US20130196536A1 (en) 2013-08-01
US8814592B2 (en) 2014-08-26
CN103227387A (en) 2013-07-31
CN103227387B (en) 2017-03-01
EP2621027B1 (en) 2014-03-12

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