EP1540773B1 - Kupplung für koaxialkabel - Google Patents

Kupplung für koaxialkabel Download PDF

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Publication number
EP1540773B1
EP1540773B1 EP03794918A EP03794918A EP1540773B1 EP 1540773 B1 EP1540773 B1 EP 1540773B1 EP 03794918 A EP03794918 A EP 03794918A EP 03794918 A EP03794918 A EP 03794918A EP 1540773 B1 EP1540773 B1 EP 1540773B1
Authority
EP
European Patent Office
Prior art keywords
coupling
piece
connecting area
coupling piece
connection
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.)
Expired - Lifetime
Application number
EP03794918A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1540773A1 (de
Inventor
Gerhard Zuch
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.)
Areva GmbH
Original Assignee
Framatome ANP GmbH
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 Framatome ANP GmbH filed Critical Framatome ANP GmbH
Publication of EP1540773A1 publication Critical patent/EP1540773A1/de
Application granted granted Critical
Publication of EP1540773B1 publication Critical patent/EP1540773B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
    • 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

Definitions

  • the invention relates to a coupling for coaxial cable according to the preamble of claim 1.
  • Couplings for coaxial cables with spring-loaded connecting elements are known from the documents US 3, 416, 125, which describes a coupling according to the preamble of claim 1, US 4, 012, 105 or US 6, 053, 777.
  • Such a coupling can be significant in many industrial applications where coaxial cables need to be disassembled and coupled together quickly and easily during maintenance, for example.
  • a coupling can be used with rigid coaxial conductors, as used for example in a nuclear facility or a nuclear power plant for the transmission of electrical signals or pulses.
  • TDR measuring principle time-domain reflectometry
  • the TDR measurement principle utilizes the effect that an electromagnetic pulse conducted in an antenna system is partially reflected when the impedance between, for example, a center conductor of the antenna and a sheath conductor surrounding it in the manner of a coaxial cable changes abruptly.
  • Such an abrupt change in impedance occurs, for example, where the antenna thus formed from a gaseous environment immersed in a liquid, since the impedance of the capacitance between the central conductor and the sheath conductor and thus of the dielectric constant of the space between the central conductor and sheath conductor filling medium depends.
  • One of such in that too conductor and sheath conductor filling medium depends.
  • An electromagnetic pulse supplied to such an antenna, which is immersed in the medium to be monitored, is thus partially reflected at the surface of the medium. Another reflection occurs at the usually shorted antenna end.
  • the propagation time difference between the pulse reflected at the boundary layer and the pulse reflected at the antenna end can be used as a measure of the position of the boundary layer and thus as a means of determining a boundary layer characteristic Position characteristic value are used, with a substantially proportional dependence between the transit time difference and position characteristic value can be used.
  • rigid coaxial conductors can be used, in particular in order to ensure the high signal quality required for reliable data acquisition. However, it may still be necessary, for example, during maintenance, to make the reactor pressure vessel accessible. To make this possible even with a use of rigid coaxial with little effort, a coupling device is desirable, which allows segments of the Coaxial conductor between the aforementioned two bushings quickly and easily disassemble and sixteenzukuppeln.
  • the coupling In order to keep the disturbance and attenuation of the electromagnetic pulse in such a system as low as possible at the coupling point, the coupling should meet high requirements.
  • the impedances should be kept constant over the length of the conductor or at least not change discontinuously, so that disturbing reflections on impedance jumps are best avoided for the measurement.
  • Particularly important for a reliable transmission of the electromagnetic pulse is a high-quality electrical contact between connected by the coupling conductors.
  • the invention is therefore based on the object to provide a coupling of the type mentioned above, which is both simple and quick to use as well as with high reliability ensures the electrical contact between the coaxial coaxial conductors.
  • connection portion of the second coupling piece facing the end of the connecting head is provided with contact fingers, which insert into recesses provided in the connection region of the second coupling piece, wherein the connection region of the second coupling piece is provided with a contact piece, which the or each contact finger has an associated pad.
  • the invention is based on the consideration that a coupling mechanism for coaxial cable should be easy to use, so should allow a quick and easy coupling and decoupling of the cable. At the same time, however, the electrical contact between coaxial conductors connected via the coupling should be particularly intensive during operation of the system. To meet these two, in principle, conflicting conditions, the coupling is provided with a device that enhances the contact between the conductors to be coupled in particular.
  • the targeted use of the restoring force of a spring element is provided, wherein the spring is loaded when coupling the two coaxial conductors and therefore constantly exerts an electrical contact favoring force on both conductors.
  • connection head In order to ensure a particularly intimate contact between the connection head and connection region of the first coupling piece, the connection head is displaceably mounted on the connection region of the first coupling piece.
  • the connection head is expediently positioned with the clutch open in such a way that during the assembly of the coupling, the connection region of the first coupling piece moves towards the connection region of the second coupling piece, thereby tensioning the spring element.
  • the restoring force of the spring element generated in this way consequently leads to a continuous pressing of the connecting head to the first coupling piece and thus to a particularly reliable electrical connection.
  • the contact fingers cause both a centering of the connection head with respect to the longitudinal axis of the coupling and the production of the electrical contact between the connection head and connection area. Due to the interaction of the contact fingers with the associated recesses and in particular with contact surfaces arranged in them, a sufficient contact with the connecting region supporting it is ensured at all times even when the connecting head is displaced in the longitudinal direction.
  • the contact fingers of the connection head enclose a contact piece which is attached to the connection region of the second coupling piece and serves to ensure electrical contact between the connection head and the connection region.
  • the contact fingers are located on a larger or smaller area of the contact piece. The contact piece thus has the additional task to reliably maintain the electrical contact between the connection head and connection area of the second coupling piece even with varying length of the spring.
  • the connecting head fits into a recess provided in the connection region of the first coupling piece such that it thereby centers itself relative to the longitudinal axis of the coupling.
  • the shape of the connecting head may be in particular convex and in a corresponding concave Insert recess in the connection region of the first coupling piece, wherein both the connection head and the recess are rotationally symmetrical about the longitudinal axis of the coupling.
  • a conical recess in the connection region of the first coupling piece is advantageous, with which corresponds a shaped in the manner of a truncated cone connecting head.
  • a retaining screw is anchored to the connection region of the second coupling piece, holds the connection head at the connection area and prevents a complete solution of the connection head with the coupling open.
  • the sheath of each coupling piece is equipped with a mounting flange, which allows a connection of the coupling pieces together.
  • a circumferential seal is mounted between the mounting flanges, which allows a tight closure of the coupling.
  • a closure element which allows to hold the two coupling pieces firmly.
  • a closure element is adapted in its shape and contour of those of the mounting flanges and encloses the mounting flanges in the connected state.
  • the closure element is a clamping ring with a spring clip, which allows a particularly simple and fast operation of the coupling.
  • an unwanted attenuation of the electromagnetic pulse can be excluded or at least minimized that the impedances do not change or only slightly over the length of the coupling point.
  • the system 1 according to FIG. 1 is provided for monitoring a medium M within the connected reactor pressure vessel 2 of a technical facility.
  • the reactor pressure vessel 2 is arranged within a closed executed and in Figure 1 only suggestively shown containments 4.
  • For suitable exchange of signals S is the reactor pressure vessel 2 via a signal line 6, the is passed through a containment 8 through the containment 4, connected to a communication interface 10 of the system 1.
  • water W is provided in the exemplary embodiment in the reactor pressure vessel 2, which serves as a primary coolant of the nuclear facility.
  • the water w is present in the so-called supercooled state unmixed.
  • exclusively evaporated primary coolant ie exclusively steam D, before.
  • the medium M stored in the container 2 thus has a first boundary layer 12 between water W and the phase mixture W, D and a second boundary layer 14 between the phase mixture W, D and the vapor D.
  • the monitoring of a large number of Radioactive Materials is provided.
  • the position of the boundary layer 14 can take place via a fill level measurement.
  • the system 1 is provided for the timely determination and monitoring of positional characteristics of the boundary layers 12, 14.
  • the system 1 is designed for the use of the so-called TDR measuring principle (time-domain reflectometry).
  • TDR measuring principle time-domain reflectometry
  • a substantially vertically arranged, serving as an antenna coaxial cable 16 is provided within the reactor pressure vessel 2.
  • the coaxial cable 16 is led out of the reactor pressure vessel via an electrical feedthrough 18 and connected to the signal line 6.
  • the communication interface 10 connected to the signal line 6 is in turn connected to a pulse generator 20 generating the electromagnetic pulses and to an evaluation and control unit 22 having an output module 24 and a memory module 26.
  • the evaluation and control unit 22 is still connected to other, necessary for proper operation components such as an input device.
  • the system 1 is specifically aligned with its components on the use of the TDR measurement principle.
  • a particularly high-quality signal transport in the appropriate lines such as in particular the signal line 6 is desired.
  • the signal line 6 is in turn designed as a rigid running coaxial cable.
  • the signal line 6 if necessary, disassemble into individual sections and reassemble and apart at different locations between the implementation 8 and the implementation 18 apart and after completed maintenance quickly and easily together again to couple.
  • the signal line 6 is composed of a plurality of coaxial cables 30, 32, which are detachably connected to one another via a coupling 33.
  • the clutch 33 is designed specifically for this design target. It is provided in particular that the clutch 33 speed with a total ease operable a particularly intimate electrical contact between the central conductors 34 and 35 of the coaxial cable to be connected 30, 32 produces.
  • the coaxial cable 30 and the coaxial cable 32 have a sheath conductor 36 and 37 and a central conductor 34 and 35, respectively.
  • the coupling 33 provided for connecting the coaxial cables 30, 32 consists of a first coupling piece 38 and a second coupling piece 39, the coaxial cable 30 being fixedly connected to the first coupling piece 38 and the coaxial cable 32 being fixedly connected to the second coupling piece 39.
  • the first coupling piece 38 comprises a connection region 40, which is connected to the central conductor 34.
  • the second coupling piece 39 likewise comprises a connection region 41 which is correspondingly connected to the central conductor 35 of the second coupling piece 39.
  • connection region 41 is equipped with a connection head 42 which can be brought into contact with the connection region 40 and which is resiliently supported on the actual connection region 41 via a spring element 43 is.
  • the spring of the spring element 43 is tensioned when closing the clutch 33 and pressed by its restoring force the connection head 42 constantly to a corresponding contact surface of the connection portion 40 of the first coupling piece 38 and thus ensures a particularly reliable electrical connection.
  • Suitable springs are, for example, coil springs, disc springs, leaf springs or coil springs as in the embodiment.
  • the connecting head 42 is provided with an example convex shaped in the embodiment in the manner of a truncated cone tip 44, which is provided in a designated, for example concave recess 45 in the connection area 40 inserts.
  • the recess 45 is tapered in the exemplary embodiment and thus adapted with respect to their contouring to the tip 44 of the connecting head 42.
  • a high-quality electrical contact between the connecting head 42 and the connecting region 41 of the second coupling piece 39 carrying the same is made possible by contact fingers 46 attached to the connecting head 42.
  • connection head 42 is held by a retaining screw 50 at the connection portion 41. As a result, a complete solution of the connecting head 42 is reliably avoided even when the clutch 33 is open.
  • connection areas 40 and 41 of the coupling pieces 38 and 39 surrounding sheath conductors 36 and 37 are each provided with a mounting flange 52 which allows the connection of the coupling pieces 38 and 39 together.
  • Figure 3 shows a cross section through the sheath conductors 36 and 37 of the coupling pieces 38 and 39 with the flanges 52 enclosing and thereby the coupling pieces 38 and 39 interconnecting closure element 54, for example, a clamping ring which is held together by a spring clip, not shown.
  • FIG. 4 likewise shows a cross section through the sheathed conductors 28 of the coupling pieces 38 and 39 with a closure element 54 enclosing the mounting flanges 52 and thereby connecting the coupling pieces 38 and 39, which is provided with a peripheral seal 56.
  • the seal 56 permits a particularly tight and secure closure of the coupling 33 by the closure element 54.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Multi-Conductor Connections (AREA)
  • Cable Accessories (AREA)
EP03794918A 2002-08-29 2003-08-22 Kupplung für koaxialkabel Expired - Lifetime EP1540773B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10240563 2002-08-29
DE10240563A DE10240563B4 (de) 2002-08-29 2002-08-29 Kupplung für Koaxialkabel
PCT/EP2003/009316 WO2004025786A1 (de) 2002-08-29 2003-08-22 Kupplung für koaxialkabel

Publications (2)

Publication Number Publication Date
EP1540773A1 EP1540773A1 (de) 2005-06-15
EP1540773B1 true EP1540773B1 (de) 2006-02-15

Family

ID=31502312

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03794918A Expired - Lifetime EP1540773B1 (de) 2002-08-29 2003-08-22 Kupplung für koaxialkabel

Country Status (13)

Country Link
US (1) US7131866B2 (zh)
EP (1) EP1540773B1 (zh)
JP (1) JP4348296B2 (zh)
CN (1) CN100352105C (zh)
AU (1) AU2003264090A1 (zh)
BR (1) BR0313872A (zh)
CA (1) CA2496845C (zh)
CZ (1) CZ301400B6 (zh)
DE (2) DE10240563B4 (zh)
ES (1) ES2258237T3 (zh)
UA (1) UA79809C2 (zh)
WO (1) WO2004025786A1 (zh)
ZA (1) ZA200500722B (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7922529B1 (en) * 2009-11-23 2011-04-12 Neocoil, Llc High mating cycle low insertion force coaxial connector
US8178813B2 (en) * 2010-02-02 2012-05-15 Beijing Orient Vacuum Electric Co., Ltd. Vacuum switch tube
JP5523416B2 (ja) * 2011-09-07 2014-06-18 茂治郎 清水 通電用コネクター
CN105140739A (zh) * 2015-06-30 2015-12-09 张家港金海港电线电缆有限公司 一种电缆快速连接装置
CN105048172A (zh) * 2015-06-30 2015-11-11 张家港金海港电线电缆有限公司 一种快速电缆连接装置
CN106428092B (zh) * 2016-11-01 2018-12-04 崔建国 机车后视自动转换电连接器的应用系统
CN106532288A (zh) * 2016-12-04 2017-03-22 重庆永富电线电缆有限公司 一种电缆连接器
CN109690876A (zh) * 2017-05-26 2019-04-26 深圳市大富科技股份有限公司 一种电连接装置及电动汽车
US11658435B2 (en) * 2021-08-27 2023-05-23 T-Conn Precision Corporation Electrical connector for charging

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3416125A (en) * 1966-10-20 1968-12-10 Ostby & Barton Co Co-axial connector
DE2301798C3 (de) * 1973-01-15 1975-07-24 Karl-Robert 2320 Ploen Gisewsky Vorrichtung zum lösbaren Verbinden elektrischer Leitungsadern
US4012105A (en) * 1974-09-30 1977-03-15 Bell Industries, Inc. Coaxial electrical connector
JPS528193U (zh) * 1975-07-05 1977-01-20
US4229061A (en) * 1979-04-30 1980-10-21 Majors James P Electrical adapter or connector
JPS618980U (ja) * 1984-06-21 1986-01-20 日本電気株式会社 はめ合せられる一組の同軸コネクタ
JPH0129992Y2 (zh) * 1984-12-11 1989-09-12
US5021001A (en) * 1987-01-29 1991-06-04 Lucas Weinschel Inc. Multiple use electrical connector having planar exposed surface
JPH0345422Y2 (zh) * 1987-09-16 1991-09-25
NL8702537A (nl) * 1987-10-26 1989-05-16 At & T & Philips Telecomm Coaxiale connector.
JPH0299582U (zh) * 1989-01-26 1990-08-08
JP3003199U (ja) * 1994-01-21 1994-10-18 二幸電気工業株式会社 Ｆ型コネクタ
IT1270305B (it) * 1994-06-03 1997-04-29 Elettromedia Sas Connettore compatibile con linee di trasmissione audio, bilanciate e non.
JP3267097B2 (ja) * 1995-04-13 2002-03-18 三菱電機株式会社 電気接続用部材、電気接続用部材を用いた内燃機関点火装置及びその製造方法
JPH10233265A (ja) * 1997-02-17 1998-09-02 Nikou Denki Kogyo Kk 同軸ケーブル接続用コネクタ
JP2002501289A (ja) * 1998-01-05 2002-01-15 ライカ エレクトロニクス インターナショナル、 インコーポレイテッド 同軸接点組立体装置
FR2783639A1 (fr) * 1998-09-17 2000-03-24 Framatome Connectors France Contact comprenant un corps cylindrique et un element de contact monte coulissant dans ce coprs
DE29907173U1 (de) * 1999-04-22 1999-10-07 Rosenberger Hochfrequenztech Koaxialverbinder
JP2001006827A (ja) * 1999-06-17 2001-01-12 Japan Aviation Electronics Industry Ltd 防水型同軸コネクタ
DE19958584C1 (de) * 1999-11-08 2001-02-01 Krohne Sa Füllstandmessgerät
JP2001143803A (ja) * 1999-11-16 2001-05-25 Yazaki Corp 突き当て式接触端子とそれを用いたコネクタ

Also Published As

Publication number Publication date
CZ301400B6 (cs) 2010-02-17
UA79809C2 (uk) 2007-07-25
JP4348296B2 (ja) 2009-10-21
DE10240563A1 (de) 2004-03-11
EP1540773A1 (de) 2005-06-15
BR0313872A (pt) 2005-07-19
AU2003264090A1 (en) 2004-04-30
JP2005537629A (ja) 2005-12-08
DE50302442D1 (de) 2006-04-20
CN100352105C (zh) 2007-11-28
US7131866B2 (en) 2006-11-07
CA2496845A1 (en) 2004-03-25
WO2004025786A1 (de) 2004-03-25
DE10240563B4 (de) 2004-08-05
US20050260878A1 (en) 2005-11-24
CN1679211A (zh) 2005-10-05
ES2258237T3 (es) 2006-08-16
CZ2005117A3 (cs) 2006-01-11
ZA200500722B (en) 2005-10-26
CA2496845C (en) 2009-12-29

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