EP1300913A1 - Connecteurs pour courants hautes tensions fonctionnant dans le vide - Google Patents
Connecteurs pour courants hautes tensions fonctionnant dans le vide Download PDFInfo
- Publication number
- EP1300913A1 EP1300913A1 EP01402570A EP01402570A EP1300913A1 EP 1300913 A1 EP1300913 A1 EP 1300913A1 EP 01402570 A EP01402570 A EP 01402570A EP 01402570 A EP01402570 A EP 01402570A EP 1300913 A1 EP1300913 A1 EP 1300913A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cables
- insulating
- sheath
- cable
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 238000002788 crimping Methods 0.000 claims description 5
- 239000012212 insulator Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 2
- 238000005192 partition Methods 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 6
- 239000003989 dielectric material Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 208000031968 Cadaver Diseases 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Images
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
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- 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
- H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
Definitions
- the technical field of the present invention is that of connectors for high voltage electric currents (several tens of thousands of volts).
- connectors exist to solve the cable junction or bulkhead crossing problem by a high voltage cable. Examples of these materials are given by connector catalogs high voltage coaxials, marketed by companies specialized in this field like RADIALL, ALCATEL, ETAT, LEYBOLD, PFEIFFER, VARIAN or VEECO. They are the most often made by sets consisting of a socket male and female socket (when switching from an isolated coaxial line to an isolated coaxial line) or well of a base and a female plug (when it is to pass from an isolated coaxial line to an air line, not isolated). One of the two connectors, or the base, is then fixed on the wall to be crossed and ensures sealing between the two sides of the wall by means of joints classics.
- the object of the present invention is therefore to remedy these disadvantages by proposing a connection in which the dielectrics remain immersed in a gaseous atmosphere or in any other fluid, even when part of the connector is placed in a vacuum. She realizes by elsewhere this connection retaining a geometry coaxial close to that of the cables as well as the possibility of easily detaching the two cables from the wall on which they are mounted.
- the voltages that the connectors are capable of withstanding subject of the invention are not limiting, even in a very high vacuum, because the arrangement chosen for the invention allows, with a more or less less the length of the connector, to adjust its resistance to breakdown by a simple increase in the length of the dielectric on which would risk being propagate the electric arc. It is interesting to note that this increase in length does not result in a larger radial footprint, thus avoiding increase the inductance of the connection.
- the invention provides a connector comprising a metallic outer casing connected to the earth braids of the cables to be connected, an enclosure dielectric insulator placed inside the enclosure metallic and surrounding the soul of the two cables and their insulating sheaths, and for which a tight cavity is created between the insulating sheath of the ends of the cables to connect and the dielectric insulating jacket; this cavity remains bathed by a gas (preferably air at the atmospheric pressure introduced there during mounting) or remains filled with hydraulic fluid, even when the connector, or part of this connector, is placed in a vacuum enclosure.
- a gas preferably air at the atmospheric pressure introduced there during mounting
- Gas pressure or the presence of the fluid is preserved in said cavity by by means of sealing means placed on one side on the end of one of the two cables and the other between the dielectric of the cable sheath considered and the end of the insulating jacket.
- the sealing at the end of the cable must be made both on the cable core, to prevent leaks from inside the cable, only on its insulating sheath to create the desired waterproof cavity.
- sealing can only be carried out on one of the cables and only at one end of the dielectric envelope; through against if the connector is intended to be placed completely in a vacuum it is necessary to provide a sealing at the ends of the two cables and at both ends of the insulating jacket.
- the outer metallic envelope and the dielectric insulating jacket have a cylindrical shape to wrap the ends of the cables with a minimum bulk and therefore a minimum inductance, and to provide good radiation protection electromagnetic.
- These envelopes can still be made up of two tubes, one metallic, the other in dielectric, nested one inside the other and fixed one to the other. This configuration has the particular advantage of allow easy positioning of cables inside metallic and dielectric insulating envelopes and facilitate handling of the assembly.
- the seal on the end of the cable can be realized by means of a plug crimped on the cable and on its insulating sheath. If necessary, weld the sheet on the core is made to create the seal towards inside the cable core.
- the realization of the sealing of the cavity at the end of the insulating envelope can preferably be achieved by interposing an O-ring between the dielectric of the insulating jacket and that of the sheath insulation of the cable to be connected.
- This device has the advantage of making it possible to carry out connection of coaxial cables carrying high voltages (can reach and even exceed 100 kV) and use in an environment of very low pressure, and even in a very high vacuum (up to 10-7 mbar, this limit being dictated by the behavior of the dielectrics in elastomer in a vacuum and the degassing phenomenon associated surface), without any breakdowns occurring at the junction of the dielectrics
- the device has the advantage when it is used to cross a partition, ability to easily attach and detach cables from wall.
- FIG. 1 we see a crossing body comprising a metallic outer casing 1, placed around a dielectric insulating jacket 2, both in the presented case linked to each other by bonding, a socket 3 intended to receive strong current plugs attached to the ends of the cable core and a flange 4, fixed to the outer metal casing 1 and intended to ensure the assembly of the assembly on a partition to cross.
- Figure 2 shows the bulkhead crossing with all the elements already mentioned in Figure 1, the left 5 and right 6 cables, two speakers separated by the partition (the enclosure on the left being under vacuum in the figure presented), and a sealing means 7 under the shaped like an O-ring.
- FIG. 3 details the end of a cable with its core 8, its insulating sheath 9, a strong current plug 10 fixed on the end of the cable by means of a crimp 11; she also details a particular embodiment of the means of fixing the metal casing 1 to the sheath metal 12 of the cable to be connected.
- This mode has a sleeve 13 and socket 14 threaded, trapping the ground braid 16 forming the end of the metal sheath 12 of cable 5, and a nut 15 for fixing this socket 14 on the metal casing 1.
- the outer metal casing 1 of the bushing body a function to create mass continuity with earth braids 16 of the cables to be connected; she ensures thus the electromagnetic protection of the connection to screws from external parasites and protection systems external towards the currents which cross it.
- the function of the dielectric insulating jacket 2 is to move the end of the core as far as necessary cable ("hot spot") from the most metallic point close, in order to avoid a breakdown between these two points; the length of this insulating jacket can be adjusted depending on the level of tension that one seeks to apply at the hot spot.
- the presence of this envelope insulator 2 also has the function of producing a inductance close to the line inductance of the cable.
- the junction socket 3 has the function of allowing a easy joining of the two ends of the cables to be connected by simple plug-in, which ensures assembly and quick disassembly of cables on the bushing partition.
- the strong current plug 10 placed in end of each of the two cables 5 and 6 is used to facilitate the junction with the socket 3 and to allow contact of good quality to ensure current flow.
- the principle of the invention is to produce a cavity between the dielectrics 9 and 2 and to seal this cavity by means of two sealing means 11 and 7.
- the air or fluid trapped during assembly ensures gas or liquid presence in this cavity which prevents the formation of an electric arc between the end of the cable and either the earth braid located at the end of the cable either the partition, while in the absence of these means sealing the cavity would be subjected to the surrounding vacuum and breakdowns could occur.
- a first seal of the cavity object of the invention is provided on the end of the cable by a crimping 11 of the plug 10 on the insulator 9 and on the core 8 cable; this crimping thus prevents the contained fluid in this cavity to escape to the vacuum enclosure via the inside of the cable core. If the plug is very strong used itself is not waterproof it is necessary to achieve this sealing by adding for example a solder on the strands of the core 8 and on the plug 10.
- a second seal is provided at the other end of the cavity by a sealing means 7 placed at the end of the dielectric insulating jacket 2: it ensures, in cooperation with cable insulator 9, closing the cavity and prevents leakage of the fluid contained in the cavity to the vacuum enclosure.
- the two envelopes are made up by tubes, one in copper, the other in PVC, glued one to the other to make it easier to handle all. Inside these tubes we insert a socket (possibly glued) which allows the junction of cables by simply plugging in their ends.
- a socket possibly glued
- These two tubes are fixed to the partition to be crossed by means of a collar, itself glued to the copper tube, which at by means of a thread, crushes a joint and thus ensures the maintaining the seal between the two sides of the wall.
- the cables used are provided at their end with a plug for strong current, which is welded to the multi-strand core so sealing the interior of the cable, and which is crimped onto the polyethylene insulating sheath.
- the braid cable mass exposed by removing its sheath protective, is tight in a set, consisting of a sleeve fixed on the cable and a socket, to ensure continuity of mass, this socket itself carrying a nut for fixing to the copper tube.
- O-ring is placed on the polyethylene insulation of the cable; it will be pushed back to the bottom of the cavity by the PVC tube (which carries a chamfer to serve as housing for O-ring) when mounting the cable on the connector and the crushing of this O-ring between the PVC tube, the braid holding sleeve and the sheath polyethylene will provide the required seal.
- This type of invention brings a significant improvement in areas that use high connectivity voltage, like imagery, the laser field, the radiography and in any technical field that needs transmit high voltage currents in the form of rapid pulses.
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
- la figure 1 représente, en coupe, le corps de traversée de la connexion incluant l'enveloppe métallique extérieure, l'enveloppe isolante diélectrique (dans la configuration de deux tubes coaxiaux collés l'un à l'autre et portant une collerette de fixation sur la paroi à traverser) et une douille de jonction (destinée à recevoir deux fiches fort courant montées en bout de l'âme des câbles à connecter)
- La figure 2 représente, en coupe également, la traversée complète avec le corps de traversée (comme présenté sur la figure 1), les deux câbles à connecter mis en position et les deux moyens d'étanchéité représentés sur la partie gauche de la figure, c'est à dire dans la configuration où le connecteur est mis en place entre une enceinte à gauche sous vide et une enceinte à droite à l'atmosphère ambiante. Elle montre la cavité objet de l'invention, qui est figurée par l'espace compris entre les deux diélectriques et qui est fermée d'un côté par le sertissage sur le câble et de l'autre par un joint torique.
- La figure 3 représente, en coupe également, un dispositif possible de connexion de l'enveloppe métallique extérieure sur la gaine métallique de l'un des câbles à connecter ainsi que le sertissage d'une fiche fort courant sur l'extrémité du câble prévue pour être placée du côté de l'enceinte sous vide.
Claims (10)
- Dispositif de connexion pour câbles électriques coaxiaux (5,6) constitués d'une âme (8) et d'une gaine isolante (9) enfermées dans une gaine métallique (12), du type comportant une enveloppe métallique extérieure (1) faisant masse reliée à la gaine métallique des câbles, et une enveloppe isolante diélectrique (2), toutes deux placées autour des extrémités des câbles à raccorder, caractérisé en ce qu'il comporte des moyens d'étanchéité (7,11) positionnés d'une part sur l'extrémité d'au moins un des câbles à raccorder et sur sa gaine isolante et d'autre part à au moins une extrémité de l'enveloppe isolante (2) pour délimiter entre l'enveloppe isolante et la gaine isolante du câble une cavité étanche.
- Dispositif selon la revendication 1 dans lequel l'enveloppe métallique extérieure (1) et l'enveloppe isolante diélectrique (2) sont toutes deux de forme cylindrique, coaxiales et disposées selon l'axe de raccordement des câbles.
- Dispositif selon la revendication 2 dans lequel l'enveloppe métallique extérieure et l'enveloppe isolante diélectrique sont constituées par un tube métallique et par un tube diélectrique coaxiaux liés l'un à l'autre.
- Dispositif selon l'une des revendications 1 à 3 dans lequel le moyen d'étanchéité (11) placé sur l'extrémité d'un des câbles est réalisé par sertissage d'une fiche sur la gaine isolante du câble.
- Dispositif selon l'une des revendications 1 à 4 dans lequel le moyen d'étanchéité (7) placé à une extrémité de l'enveloppe isolante est un joint torique en contact d'une part avec la gaine isolante du câble et d'autre part avec l'enveloppe isolante entourant la connexion.
- Dispositif selon l'une des revendications 1 à 5 dans lequel les extrémités des deux câbles à raccorder et les deux extrémités de la cavité formée par l'enveloppe et les gaines isolantes sont munies desdits moyens d'étanchéité (7) et (11).
- Dispositif selon l'une des revendications 1 à 6 dans lequel les embouts des âmes des câbles à raccorder sont enfichés dans une douille métallique (3).
- Dispositif selon l'une des revendications 1 à 7 muni de moyens de liaison démontables entre la gaine métallique d'au moins un des câbles et l'enveloppe métallique extérieure.
- Application à la connexion dans le vide de câbles électriques, du dispositif selon l'une des revendications 1 à 8 caractérisée en ce que la cavité étanche est remplie d'air à la pression atmosphérique.
- Application à la connexion dans le vide de câbles électriques, du dispositif selon l'une des revendications 1 à 8 caractérisée en ce que la cavité étanche est remplie d'un liquide hydraulique.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0012701 | 2000-10-05 | ||
FR0012701A FR2815187B1 (fr) | 2000-10-05 | 2000-10-05 | Connecteur pour courants hautes tensions fonctionnant dans le vide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1300913A1 true EP1300913A1 (fr) | 2003-04-09 |
EP1300913B1 EP1300913B1 (fr) | 2007-01-31 |
Family
ID=8855011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01402570A Expired - Lifetime EP1300913B1 (fr) | 2000-10-05 | 2001-10-05 | Connecteurs pour courants hautes tensions fonctionnant dans le vide |
Country Status (4)
Country | Link |
---|---|
US (1) | US6485331B1 (fr) |
EP (1) | EP1300913B1 (fr) |
DE (1) | DE60126411T2 (fr) |
FR (1) | FR2815187B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5732450B2 (ja) * | 2009-04-20 | 2015-06-10 | エーエスエムエル ネザーランズ ビー.ブイ. | 電気コネクタ及びリソグラフィ装置 |
US8947638B2 (en) | 2010-12-03 | 2015-02-03 | Asml Netherlands B.V. | Actuation system and lithographic apparatus |
CN107408798B (zh) * | 2015-05-26 | 2019-05-28 | 三菱电机株式会社 | 电气设备以及电气设备的制造方法 |
DE102019127686A1 (de) * | 2019-10-15 | 2021-04-15 | Türk & Hillinger GmbH | Durchführung für eine elektrische Heizvorrichtung, elektrische Heizvorrichtung mit einer solchen Durchführung, System mit einer solchen Durchführung und Verfahren zur Herstellung einer solchen Durchführung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3806625A (en) * | 1973-03-16 | 1974-04-23 | Atomic Energy Commission | High-voltage feedthrough assembly |
US4060299A (en) * | 1976-07-08 | 1977-11-29 | Williams Robert A | Electrical connector |
FR2578690A1 (fr) * | 1985-03-07 | 1986-09-12 | Alsthom Atlantique | Dispositif de connexion electrique unipolaire entre deux modules assembles mecaniquement bout a bout d'un groupe motopompe immerge |
DE3640180A1 (de) * | 1986-11-25 | 1988-06-09 | Siemens Ag | Hochspannungsfeste, vakuumdichte elektrische durchfuehrung fuer kryogene anwendungen sowie verfahren zu ihrer herstellung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3433433B2 (ja) * | 1994-03-07 | 2003-08-04 | 矢崎総業株式会社 | シールドコネクタ |
JP3669525B2 (ja) * | 1995-05-25 | 2005-07-06 | 矢崎総業株式会社 | 結露対策用防水コネクタ |
-
2000
- 2000-10-05 FR FR0012701A patent/FR2815187B1/fr not_active Expired - Lifetime
-
2001
- 2001-10-05 DE DE60126411T patent/DE60126411T2/de not_active Expired - Lifetime
- 2001-10-05 EP EP01402570A patent/EP1300913B1/fr not_active Expired - Lifetime
- 2001-10-15 US US09/976,844 patent/US6485331B1/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3806625A (en) * | 1973-03-16 | 1974-04-23 | Atomic Energy Commission | High-voltage feedthrough assembly |
US4060299A (en) * | 1976-07-08 | 1977-11-29 | Williams Robert A | Electrical connector |
FR2578690A1 (fr) * | 1985-03-07 | 1986-09-12 | Alsthom Atlantique | Dispositif de connexion electrique unipolaire entre deux modules assembles mecaniquement bout a bout d'un groupe motopompe immerge |
DE3640180A1 (de) * | 1986-11-25 | 1988-06-09 | Siemens Ag | Hochspannungsfeste, vakuumdichte elektrische durchfuehrung fuer kryogene anwendungen sowie verfahren zu ihrer herstellung |
Also Published As
Publication number | Publication date |
---|---|
FR2815187A1 (fr) | 2002-04-12 |
DE60126411T2 (de) | 2007-11-15 |
DE60126411D1 (de) | 2007-03-22 |
EP1300913B1 (fr) | 2007-01-31 |
FR2815187B1 (fr) | 2002-12-13 |
US6485331B1 (en) | 2002-11-26 |
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