EP1858124A1 - Koaxialanschluss - Google Patents

Koaxialanschluss Download PDF

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Publication number
EP1858124A1
EP1858124A1 EP07300982A EP07300982A EP1858124A1 EP 1858124 A1 EP1858124 A1 EP 1858124A1 EP 07300982 A EP07300982 A EP 07300982A EP 07300982 A EP07300982 A EP 07300982A EP 1858124 A1 EP1858124 A1 EP 1858124A1
Authority
EP
European Patent Office
Prior art keywords
connector
contact element
unit
contact
central
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP07300982A
Other languages
English (en)
French (fr)
Inventor
Olivier Gonzales
Fabien Bourgeas
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Radiall SA filed Critical Radiall SA
Publication of EP1858124A1 publication Critical patent/EP1858124A1/de
Withdrawn legal-status Critical Current

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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
    • 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
    • H01R24/46—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 switches
    • 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
    • H01R13/02—Contact members
    • H01R13/22—Contacts for co-operating by abutting
    • H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
    • H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
    • H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S439/00—Electrical connectors
    • Y10S439/944—Coaxial connector having circuit-interrupting provision effected by mating or having "dead" contact activated after mating

Definitions

  • the present invention particularly relates to a coaxial connector having two connector elements to be connected together.
  • the mechanical endurance of such a connector typically corresponds to approximately 500 insertion / insertion cycles. extraction.
  • the invention aims in particular to increase the mechanical endurance of a coaxial connector.
  • the first and second central contact elements are arranged so that, when the first and second connector elements are connected, these contact elements are supported against each other by their front ends.
  • the first connector element has a guide pin of the first contact element and the first contact element has a recess into which the pin engages. This pin is in particular fixed relative to the first body.
  • the guide pin has a longitudinal axis and the first contact element can tilt relative to the guide pin along this longitudinal axis.
  • the first central contact element and the elastic return member are arranged in such a way that the elastic return member exerts on the first contact element a non-collinear force to the longitudinal axis of the spindle, making it possible in particular to to tilt the contact element with respect to the pin.
  • the mechanical endurance of the connector can be substantially improved and allow more than 40,000 insertion / extraction cycles.
  • the contacting of the central contact elements can be performed without friction between them when connecting the two connector elements, which avoids wear and therefore the deterioration of metal-metal surfaces used to transmit the electrical signal.
  • the invention also makes it possible to limit the friction during disconnection of the connector elements.
  • the elastic return member may be for example a helical spring provided in particular with a portion of turn bearing on the first contact element and arranged to exert on it a non-collinear force to the longitudinal axis of the spindle guidance.
  • the first contact element may comprise a shoulder, in particular an annular shoulder on which the resilient return member is applied.
  • the shoulder may have a beveled shape for directing a portion of the biasing force in a direction perpendicular to the longitudinal axis of the guide pin.
  • At least one of the first central contact element and the guide pin may have a circular cross section or, alternatively, a non-circular cross section, for example polygonal.
  • the first connector element may comprise an insulating insert provided with an opening in which the first central contact element engages.
  • the first connector element may include a side contact element when a switching function is to be provided.
  • the central contact element when the first connector element is disconnected, being in an unswitched configuration, the central contact element may bear against the lateral contact element.
  • the electrical signal can then pass from the guide pin to the lateral contact element via the sliding contact element, these elements defining a coaxial line portion.
  • the elastic return member is advantageously pre-stressed in order to generate a sufficient force between the central and lateral contact elements and to reduce the electrical resistance at the interface of these contact elements.
  • the lateral contact element can be held with an insulating insert on the first body.
  • the insulating insert provided with an opening, into which the first central contact element engages, can be arranged to take up part of the force exerted by the elastic return member, which can make it possible to avoid a excessive pressure on the side contact element.
  • the second connector element comprises a shoe arranged to cooperate with the first connector element in order to immobilize the two connector elements at least axially with respect to each other when they are connected.
  • the invention can in particular make it possible to avoid the use of a split connection portion on one of the connector elements, such a connection portion resulting in relatively aggressive friction.
  • the second connector body may include a lateral housing for receiving the pad.
  • the second connector element may comprise for example a split ring to retain the pad in the housing.
  • the pad may have an inner cross section, perpendicular to this longitudinal axis, substantially in a circular arc, in particular in a semicircle.
  • the pad may, if necessary, be chamfered and / or radiated on its inner face.
  • the pad may have, if desired, a substantially crescent shape, with inner and outer cylindrical faces off-axis, which allows in particular to locate the interface pad / body of the base, on a reduced area and therefore facilitate its insertion.
  • the pad may be made of plastic material having a low coefficient of friction such as for example polytetrafluoroethylene, a polyamide or a polypropylene, this list not being limiting.
  • the first connector body comprises a connection portion, in particular a cylindrical portion, provided with a groove, in particular an annular groove, in which the shoe can engage at least partially when the two elements connector are connected, in particular to increase the retention force between the two connector elements.
  • the groove may have substantially a shape complementary to that of the inner face of the pad.
  • a base formed by the first connector element can be used in a wireless communication terminal to direct a radio frequency signal to an external output when the plug formed by the second connector element is inserted into the base.
  • FIGS. 1 and 2 respectively show first and second connector elements 1 and 2 of a coaxial connector 3 according to the invention.
  • the connector element 1 forms for example a base used in a wireless communication terminal.
  • the base 1 serves in particular to direct a radiofrequency signal to an external output when a coaxial plug formed by the connector element 2, is inserted into the base 1.
  • the connector 3 has a switching function.
  • the connector element 1 comprises a first body 5 of longitudinal axis X, made for example of copper alloy such as brass and comprising a substantially cylindrical connection portion 6.
  • the body 5 further comprises a cavity 7 in the extension of the connecting portion 6 and is arranged to receive a first central contact element 8.
  • This contact element 8 has, in the example considered, a substantially cylindrical shape with a circular cross section.
  • the contact element 8 may have a non-circular cross section, for example of polygonal shape.
  • This contact element 8 has a recess 4 for engaging on a guide pin 9 of X axis.
  • an insulating insert 10 which comprises a passage 11 for receiving a rear portion 12 of the pin 9.
  • the pin 9 and the contact element 8 are made for example of copper alloy such as brass.
  • Another insulating insert 13 is provided in the cavity 7 on a side opposite to that of the insulating insert 10.
  • the insert 13 has an opening 15 for the contact element 8.
  • the insulators 10 and 13 are made for example of PTFE.
  • the contact element 8 can slide on the pin 9 against the action of an elastic return member 16.
  • the elastic return member 16 is formed by a helical spring inserted around the guide pin 9.
  • the spring 16 is applied at one end against a shoulder 17 of the contact element 8.
  • the contact element 8 is closed at its front end 19 opposite the shoulder 17.
  • the contact element 8 can be open at its front end 19.
  • the shoulder 17 may extend substantially perpendicularly to the longitudinal axis X of the pin 9, as illustrated in FIGS. 3 and 4.
  • the contact element 8 may have a shoulder 17 'having a beveled shape for directing a portion of the biasing force in a direction perpendicular to the axis X.
  • the dimensions and / or the shape of the contact element 8 and the pin 9 are chosen so that the contact element 8 can tilt at an angle with respect to the longitudinal axis X of the pin 9.
  • the connector element 1 also comprises a lateral contact element 20 extending perpendicular to the axis X and integral with an insulating insert 21 housed in an opening 22 of the body 5.
  • the prestressed resilient biasing member 16 exerts on the contact element 8 a force sufficient to allow satisfactory contact between this contact element 8 and the lateral contact element 20.
  • the connecting portion 6 has an annular groove 25 whose role will be specified later.
  • the second connector element 2 comprises a body 30 made for example of copper alloy such as brass, provided with a substantially cylindrical connecting portion 31.
  • This portion 31 comprises a lateral housing 32 having a cross section substantially in a semicircle, and arranged to receive a shoe 33 made for example of plastic material having a low coefficient of friction such as for example polytetrafluoroethylene, a polyamide, a polypropylene, this list is not limiting.
  • the shoe 33 has outer 34 and inner 35 faces, this face 35 projecting inside the cylindrical connection portion 31 when the shoe 33 is received in the housing 32.
  • the outer face 34 has a substantially semi-cylindrical shape.
  • the inner face 35 has a substantially semicircular cross section and comprises chamfers 36.
  • the shoe 33 is applied by its end faces 37 to supports 38 formed on the connecting portion 31.
  • the shoe 33 is held in the housing 32 by means of a split ring 40 made for example of a material having a high yield strength such as stainless steel, inserted by slight elastic deformation around the connecting portion 31 and the shoe 33, as can be seen in Figure 6.
  • a split ring 40 made for example of a material having a high yield strength such as stainless steel, inserted by slight elastic deformation around the connecting portion 31 and the shoe 33, as can be seen in Figure 6.
  • the second connector element 2 further comprises a central contact element 41 held in the connection portion 31 by means of an insulating insert 42.
  • the central contact element 41 has a front end 43 formed in the example in question by a substantially flat face.
  • connection of the connector elements 1 and 2, to form the connector 3, is carried out as follows.
  • the connecting portion 6 of the connector element 1 is introduced into the connecting portion 31 of the connector element 2 in order to engage the shoe 33 in the annular groove 25 of the connecting portion 6, which allows secure the two connector elements 1 and 2.
  • This support causes the sliding and possibly tilting of the contact element 8 relative to the guide pin 9 against the action of the spring 16.
  • the recoil of the contact element 8 removes the shoulder 17 from the lateral contact element 20, which causes the switching of the connector element 1.
  • the insulating insert 13 serving in particular to guide the movable contact element 8, allows a recovery of force exerted by the spring 16, which can prevent excessive rotation of the lateral contact element 20.
  • the disconnection of the connector elements 1 and 2 is also achieved with a very low friction between them.
  • Maintaining the pad 33 on the connecting portion 31 may be made in any other manner, for example by means of an adhesive or by welding.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP07300982A 2006-05-15 2007-04-25 Koaxialanschluss Withdrawn EP1858124A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0651730A FR2901066A1 (fr) 2006-05-15 2006-05-15 Connecteur coaxial

Publications (1)

Publication Number Publication Date
EP1858124A1 true EP1858124A1 (de) 2007-11-21

Family

ID=37684094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07300982A Withdrawn EP1858124A1 (de) 2006-05-15 2007-04-25 Koaxialanschluss

Country Status (6)

Country Link
US (1) US7632121B2 (de)
EP (1) EP1858124A1 (de)
KR (1) KR20070110798A (de)
CN (1) CN101093925A (de)
FR (1) FR2901066A1 (de)
TW (1) TW200810283A (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101656383B (zh) * 2009-08-03 2012-11-21 上海雷迪埃电子有限公司 弹簧加载连接器
US7922529B1 (en) * 2009-11-23 2011-04-12 Neocoil, Llc High mating cycle low insertion force coaxial connector
GB2477987B (en) * 2010-02-22 2014-01-08 Itt Mfg Entpr Llc Electrical connector
US8172617B2 (en) * 2010-04-02 2012-05-08 F Time Technology Industrial Co., Ltd. RF connector
US8628358B2 (en) * 2010-04-16 2014-01-14 Hon Hai Precision Industry Co., Ltd. Electrical connector having movable central contact
DE202010009599U1 (de) * 2010-06-28 2010-09-16 Rosenberger Hochfrequenztechnik Gmbh & Co. Kg Steckverbinder
CN102544961B (zh) * 2012-01-16 2014-01-29 深圳市晶沛电子有限公司 一种滑环
US8777658B2 (en) 2012-03-19 2014-07-15 Holland Electronics, Llc Ingress reduction coaxial cable connector
GB2509924A (en) 2013-01-17 2014-07-23 Itt Mfg Entpr Llc Breakaway electrical connector
GB2531020C (en) 2014-10-07 2020-09-30 Itt Mfg Enterprises Llc Electrical connector
US9819099B2 (en) 2015-08-13 2017-11-14 Itt Manufacturing Enterprises Llc Multi-part contact having a front contact portion and a rear crimp contact portion joined together at an angle by a threaded connector
JP2021015665A (ja) * 2017-10-10 2021-02-12 株式会社ヨコオ ２極コネクタ組立体、及び２極コネクタ組立体におけるケーブル側コネクタ部
CN109462068A (zh) * 2018-10-12 2019-03-12 苏州泰莱微波技术有限公司 一种玻璃烧结的弹性连接器
CN110190434B (zh) * 2018-11-30 2020-12-04 中航光电科技股份有限公司 一种同轴连接器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9215031U1 (de) * 1992-11-09 1993-01-07 IMS Connector Systems GmbH, 79871 Eisenbach Steckverbindungseinheit
FR2712433A1 (fr) * 1993-11-08 1995-05-19 Nicomatic Composant connecteur-commutateur de type coaxial pour hautes fréquences.
US20030082942A1 (en) * 2001-11-01 2003-05-01 Andrew Corporation Coaxial connector with spring loaded coupling mechanism
US6696850B1 (en) * 2002-10-02 2004-02-24 Interconnect Devices, Inc. Contact probe with off-centered back-drilled aperture

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0412483A (ja) * 1990-04-27 1992-01-17 Kel Corp Ｉｃソケット
FR2670615B1 (fr) * 1990-12-18 1993-02-19 Radiall Sa Connecteur electrique coaxial.
TW573816U (en) * 2003-04-23 2004-01-21 Dynahz Technologies Corp Coaxial connector with a switching function
JP2005050738A (ja) * 2003-07-31 2005-02-24 Jst Mfg Co Ltd 電気コネクタ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9215031U1 (de) * 1992-11-09 1993-01-07 IMS Connector Systems GmbH, 79871 Eisenbach Steckverbindungseinheit
FR2712433A1 (fr) * 1993-11-08 1995-05-19 Nicomatic Composant connecteur-commutateur de type coaxial pour hautes fréquences.
US20030082942A1 (en) * 2001-11-01 2003-05-01 Andrew Corporation Coaxial connector with spring loaded coupling mechanism
US6696850B1 (en) * 2002-10-02 2004-02-24 Interconnect Devices, Inc. Contact probe with off-centered back-drilled aperture

Also Published As

Publication number Publication date
TW200810283A (en) 2008-02-16
US20070264853A1 (en) 2007-11-15
KR20070110798A (ko) 2007-11-20
US7632121B2 (en) 2009-12-15
CN101093925A (zh) 2007-12-26
FR2901066A1 (fr) 2007-11-16

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