EP0588709B1 - Lastschalter feststehende Elementen mittels Schrumpfsitz - Google Patents
Lastschalter feststehende Elementen mittels Schrumpfsitz Download PDFInfo
- Publication number
- EP0588709B1 EP0588709B1 EP93402231A EP93402231A EP0588709B1 EP 0588709 B1 EP0588709 B1 EP 0588709B1 EP 93402231 A EP93402231 A EP 93402231A EP 93402231 A EP93402231 A EP 93402231A EP 0588709 B1 EP0588709 B1 EP 0588709B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- circuit
- cylindrical surface
- breaker according
- support
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/7015—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts
- H01H33/7061—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid characterised by flow directing elements associated with contacts characterised by use of special mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/70—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid
- H01H33/88—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts
- H01H33/90—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism
- H01H33/91—Switches with separate means for directing, obtaining, or increasing flow of arc-extinguishing fluid the flow of arc-extinguishing fluid being produced or increased by movement of pistons or other pressure-producing parts this movement being effected by or in conjunction with the contact-operating mechanism the arc-extinguishing fluid being air or gas
Definitions
- the present invention relates to a circuit breaker comprising metallic tubular parts joined to support parts by means of cylindrical surfaces.
- circuit breaker comprising the constituent elements that are a first and a second permanent contact and a movable arc contact-carrying tube.
- the object of the invention is to reduce the assembly costs and to increase the reliability of the constituent elements of said circuit breaker.
- At least one of its tubular constituent elements is fixed by hooping on the cylindrical surface of the corresponding support part, this element being compressed on said surface by a hoop member.
- This hooping is preferably mechanical, that is to say by cold pressing of the hoop on the part, but can also be thermal, that is to say by fitting after hot expansion.
- blowing nozzle it is preferably in abutment against one end of a tubular support piece with an annular end flange and in abutment against an endpiece of first permanent contact itself fixed by a ring hoop on the annular flange of the support piece.
- one end of the contact-carrying tube is fixed by a hoop ring to a support part.
- the second permanent contact preferably consists of a strip wound on one end of a tubular contact holder and fixed thereon by shrinking a cover also supporting the free edge of the strip .
- the tip of first permanent contact comprises, at its end fixed to the support part, a radial rib embedded in a radial groove formed thereon.
- said end of the contact-carrying tube comprises a radial rib embedded in a radial groove formed on the support part.
- Figure 1 is a longitudinal sectional view of a circuit breaker according to the invention.
- Figure 2 is a longitudinal sectional view of the attachment of the blowing nozzle according to the invention.
- Figure 3 is a longitudinal sectional view of the fixing of the movable arcing contact according to the invention.
- Figure 4 is a longitudinal sectional view of the permanent contact attachment according to the invention.
- the circuit breaker comprises, in a sealed envelope 15 filled with dielectric gas, a fixed permanent contact 2 said second permanent contact, a fixed arcing contact 16 and a movable element.
- the latter consists of a first tube 17 carrying at its end a movable arcing contact 18 and integral with a second coaxial tube 5 carrying at its end a blowing nozzle 4 and a movable permanent contact 1 said first permanent contact.
- a fixed piston 19 is arranged between the first 17 and second 5 tubes and is integral with a contact-carrying tube 3 integral with a fixed support part 9 and on which the tube 5 slides.
- the blowing nozzle 4 is in abutment against one end of a tubular support piece 5 with an annular end flange 6 made up of the second tube 5 and in abutment against an end piece first permanent contact 1 himself fixed by a hoop ring 7 on the annular flange 6 of the support part 5.
- the blowing nozzle 4 is therefore mounted centered on an internal shoulder of the support part 5.
- the contact end piece 1 is also mounted centered on an external shoulder of the annular flange 6 of the support part 5 and comes into abutment on the nozzle 4, in order to keep it in position.
- the contact end piece 1 has at least one longitudinal slot on its centering diameter, in order to make its part coming into contact with the flange 6 elastic.
- the hoop ring 7 compresses this assembly and keeps it in place by simple effect of compression.
- the first permanent contact end piece 1 comprises, at its end fixed on the support part 5, a radial rib 12 embedded in a radial groove formed thereon.
- the increase in pressure of the internal volume of the nozzle 4 causes a force to tear off the hooped elements.
- the rib 12 of width slightly less than the corresponding groove of the support part 5 and of thickness for example of about 0.2 mm makes it possible to reinforce the resistance to tearing.
- one end of the contact-carrying tube 3 is fixed by a hoop ring 8 to the support part 9.
- said end of the contact-carrying tube 3 comprises a radial rib 13 embedded in a radial groove formed on the support part 9.
- the assembly is completely identical to that of the first permanent contact 1, with an arrangement of longitudinal slots.
- the second permanent contact 2 consists of a strip wound on one end of a tubular contact holder 10 and fixed thereon by shrinking a cover 11 also supporting the free edge of the strip .
- the metal strip forming contact 2 is, near its free edge, deformed inwardly to form a contact protruding part by flexibility and its free edge is retained by the end of the cover 11 which has for this purpose a flange 14 curved inward.
- This contact 2 does not work in tearing, it is not essential to provide an arrangement of groove and rib, although the latter is obviously easily achievable.
Landscapes
- Circuit Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Claims (9)
- Leistungsschalter, der als wesentliche Elemente einen ersten und einen zweiten Dauerkontakt (1, 2) und ein den beweglichen Lichtbogenkontakt tragendes Rohr (3) enthält, wobei diese Elemente rohrförmige Metallteile sind, die an Träger über zylindrische Flächen angefügt sind, dadurch gekennzeichnet, daß mindestens eines der wesentlichen Elemente durch Festspannen auf der zylindrischen Oberfläche des entsprechenden Trägers befestigt ist und auf dieser Oberfläche durch ein Spannglied komprimiert wird.
- Leistungsschalter nach Anspruch 1 mit einem Dauerkontakt (1) und einer Blasdüse (4), die je an einen gemeinsamen Träger (5) über zylindrische Oberflächen angefügt sind, dadurch gekennzeichnet, daß die Blasdüse (4) an einem Ende des einen Ringflansch (6) aufweisenden rohrförmigen Trägers (5) in Anschlag und am Ende des ersten Dauerkontakts (1) in Gegenanschlag liegt, wobei der erste Dauerkontakt durch einen Spannring (7) auf eine zylindrische Oberfläche des Ringflansches (6) des Trägers (5) komprimiert ist.
- Leistungsschalter nach Anspruch 2, dadurch gekennzeichnet, daß die zylindrische Oberfläche des Ringflansches (6) eine radiale Rinne besitzt.
- Leistungsschalter nach Anspruch 3, dadurch gekennzeichnet, daß das Ende des ersten Dauerkontakts (1) an seinem auf dem Träger (5) befestigten Ende eine radiale Rippe (12) besitzt, die in die radiale Rinne eingefügt ist.
- Leistungsschalter nach Anspruch 1 mit einem Rohr (3), das den beweglichen Lichtbogenkontakt trägt und als rohrförmiges Metallteil ausgebildet ist, das an einen Träger (9) über eine zylindrische Oberfläche angefügt ist, dadurch gekennzeichnet, daß ein Ende des den beweglichen Lichtbogenkontakt tragenden Rohrs (3) durch einen Spannring (8) auf eine zylindrische Oberfläche des Trägers (9) komprimiert ist und daß die zylindrische Oberfläche eine radiale Rinne besitzt.
- Leistungsschalter nach Anspruch 5, dadurch gekennzeichnet, daß das Ende des den beweglichen Lichtbogenkontakt tragenden Rohrs (3) eine radiale Rippe (13) aufweist, die in die radiale Rinne eingefügt ist.
- Leistungsschalter nach Anspruch 1 mit einem Dauerkontakt (2), der aus einem rohrförmigen Metallteil besteht, welches an einen Kontaktträger (10) über eine zylindrische Oberfläche angesetzt ist, dadurch gekennzeichnet, daß der Dauerkontakt (2) von einem auf eine zylindrische Oberfläche am Ende des rohrförmigen Kontaktträgers (10) aufgewickelten Band gebildet ist und auf dieser Oberfläche durch Aufsetzen einer außerdem den freien Rand des Bands umschließenden Haube (11) komprimiert ist.
- Leistungsschalter nach Anspruch 7, dadurch gekennzeichnet, daß die zylindrische Oberfläche des rohrförmigen Kontaktträgers (10) eine radiale Rippe besitzt.
- Leistungsschalter nach Anspruch 8, dadurch gekennzeichnet, daß das Band an seinem auf dem rohrförmigen Kontaktträger (10) befestigten Ende eine radiale Rippe besitzt, die in die radiale Rinne hineinpaßt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9211157 | 1992-09-18 | ||
FR9211157A FR2696041B1 (fr) | 1992-09-18 | 1992-09-18 | Disjoncteur à éléments fixés par frettage. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0588709A1 EP0588709A1 (de) | 1994-03-23 |
EP0588709B1 true EP0588709B1 (de) | 1996-12-18 |
Family
ID=9433658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93402231A Expired - Lifetime EP0588709B1 (de) | 1992-09-18 | 1993-09-14 | Lastschalter feststehende Elementen mittels Schrumpfsitz |
Country Status (6)
Country | Link |
---|---|
US (1) | US5424503A (de) |
EP (1) | EP0588709B1 (de) |
JP (1) | JP2848767B2 (de) |
DE (1) | DE69306707T2 (de) |
ES (1) | ES2095602T3 (de) |
FR (1) | FR2696041B1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6128168A (en) | 1998-01-14 | 2000-10-03 | General Electric Company | Circuit breaker with improved arc interruption function |
US6144540A (en) * | 1999-03-09 | 2000-11-07 | General Electric Company | Current suppressing circuit breaker unit for inductive motor protection |
US6157286A (en) * | 1999-04-05 | 2000-12-05 | General Electric Company | High voltage current limiting device |
EP1686602B2 (de) * | 2005-02-01 | 2021-04-07 | ABB Power Grids Switzerland AG | Düsenbefestigung für elektrisches Schaltgerät |
FR2960092B1 (fr) | 2010-05-11 | 2013-06-28 | Areva T & D Ag | Fixation d'un appareil electrique de moyenne ou haute tension sur une base par emmanchement a force |
FR3043266A1 (fr) * | 2015-11-02 | 2017-05-05 | Ircamex | Dispositif de confinement d'une fuite d'un gaz contenu dans un conduit |
KR101968228B1 (ko) | 2017-12-28 | 2019-04-11 | 효성중공업 주식회사 | 가스절연 개폐장치용 차단기의 가동부 |
DE102020211514B4 (de) * | 2020-09-14 | 2024-02-01 | Siemens Energy Global GmbH & Co. KG | Hochspannungsleistungsschalter mit Schrumpfverbindung und Verfahren zum Herstellen des Hochspannungsleistungsschalters |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2232314C3 (de) * | 1972-06-27 | 1979-05-10 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Kontaktsystem für elektrische Hochspannungsgeräte mit einem gasförmigen Isoliermittel, insbesondere Hochspannungs-Leistungsschalter |
JPS54144986A (en) * | 1978-05-04 | 1979-11-12 | Hitachi Ltd | Buffer type gas breaker |
NO149046C (no) * | 1981-09-21 | 1984-02-01 | Hafstad Bjorn | Kapslet belysningsarmatur med sokkeldel og med holder for lysstoffroer eller lyspaerer. |
JPS5940424A (ja) * | 1982-08-27 | 1984-03-06 | 株式会社東芝 | パツフア型ガスしや断器 |
JPS60211186A (ja) * | 1984-04-04 | 1985-10-23 | 動力炉・核燃料開発事業団 | 遠隔操作用管継手 |
FR2576144B1 (fr) * | 1985-01-16 | 1987-02-06 | Alsthom Atlantique | Disjoncteur a haute tension, a gaz comprime, a faible energie de manoeuvre |
JPS61171021A (ja) * | 1985-01-25 | 1986-08-01 | 株式会社日立製作所 | ガス吹付け遮断器 |
JPS6230087U (de) * | 1985-08-08 | 1987-02-23 | ||
JPS62208367A (ja) * | 1986-03-03 | 1987-09-12 | カルル、シエム | 熱可塑性クランプリング |
JP2506636Y2 (ja) * | 1987-01-17 | 1996-08-14 | 三菱電機株式会社 | 開閉器の消弧装置 |
JPH01172241U (de) * | 1988-05-26 | 1989-12-06 | ||
FR2647255B1 (fr) * | 1989-05-17 | 1993-04-23 | Alsthom Gec | Disjoncteur a haute tension a gaz dielectrique de soufflage |
US5079391A (en) * | 1989-11-11 | 1992-01-07 | Hitachi, Ltd. | Puffer type gas circuit breaker, contact cover and insulated nozzle of the breaker |
JP2771305B2 (ja) * | 1990-03-13 | 1998-07-02 | 株式会社日立製作所 | ガス遮断器 |
JPH04284319A (ja) * | 1991-03-13 | 1992-10-08 | Hitachi Ltd | ガス遮断器 |
-
1992
- 1992-09-18 FR FR9211157A patent/FR2696041B1/fr not_active Expired - Fee Related
-
1993
- 1993-09-09 US US08/118,208 patent/US5424503A/en not_active Expired - Fee Related
- 1993-09-14 EP EP93402231A patent/EP0588709B1/de not_active Expired - Lifetime
- 1993-09-14 DE DE69306707T patent/DE69306707T2/de not_active Expired - Fee Related
- 1993-09-14 ES ES93402231T patent/ES2095602T3/es not_active Expired - Lifetime
- 1993-09-17 JP JP5231544A patent/JP2848767B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH06196052A (ja) | 1994-07-15 |
EP0588709A1 (de) | 1994-03-23 |
DE69306707T2 (de) | 1997-04-30 |
FR2696041B1 (fr) | 1994-10-14 |
ES2095602T3 (es) | 1997-02-16 |
JP2848767B2 (ja) | 1999-01-20 |
US5424503A (en) | 1995-06-13 |
DE69306707D1 (de) | 1997-01-30 |
FR2696041A1 (fr) | 1994-03-25 |
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