EP0866481B1 - Verfahren zur Herstellung einer Vakuumkammer - Google Patents
Verfahren zur Herstellung einer Vakuumkammer Download PDFInfo
- Publication number
- EP0866481B1 EP0866481B1 EP19980103652 EP98103652A EP0866481B1 EP 0866481 B1 EP0866481 B1 EP 0866481B1 EP 19980103652 EP19980103652 EP 19980103652 EP 98103652 A EP98103652 A EP 98103652A EP 0866481 B1 EP0866481 B1 EP 0866481B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vacuum chamber
- cylindrical body
- flexible tube
- cushioning
- cylindrical
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/662—Housings or protective screens
- H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
- H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
Definitions
- the invention relates to a method for producing a Vacuum chamber according to the preamble of claim 1.
- a vacuum chamber of the type mentioned has a cylindrical body, in the vacuum and there is a movable and a fixed contact piece receiving, wherein the fixed contact piece on a fixed contact stem and the movable contact piece are arranged on a movable contact stem, which are inserted vacuum-tight inside the body.
- the vacuum chamber has at least one cylindrical pipe section of insulating material, in preferred Way of ceramic;
- the body is at the two ends by means of a metallic Cover sealed or a bellows vacuum-tight, the bellows the Movement of the contact stem or the movable contact allows.
- the vacuum chamber with a plastic, preferably epoxy resin too cast over see GB 1 030 798, around the surface of the insulating ceramic cylindrical pipe section of the chamber from contamination too protect because z. B. on the Isolierrange, d. H. on the outside of the insulating Section of the cylindrical body can form extraneous layers, which are the Reduce dielectric strength.
- the object of the invention is to provide a vacuum chamber of the type mentioned above create, in the case of economical production, cracking of the casting resin due is avoided by temperature influences.
- An elastic padding formed by a tube the means comprises, with which the Tube is held cylindrical so that it is easily pushed over the vacuum chamber can be; after coating, the funds are removed, so that the Hose resilient - like a shrink tube - around the cylindrical body of the vacuum chamber around places.
- the tube is in the condition when the agent is removed are a significantly smaller diameter than the cylindrical body.
- the padding of ethylene-propylene-diene or ethylene-prop-ter rubber.
- ethylene-propylene mastics or polyethylene or cross-linked polyethylene are used.
- the material of the hose is chosen so that it during the sprue of the Switching chamber can withstand the elevated casting resin temperatures without the Shape or properties are changed.
- the thickness of the padding, so the Hose, should be chosen so that they are sealed during the pouring of the Mold is suitable for the mold core.
- the material is to be chosen that over a temperature range of -30 ° C to + 105 ° C, the different Thermal coefficients of the vacuum chamber compensates and cracking of the casting resin prevents, d. H. the upholstery must meet the different thermal expansions of the compensate for insulating ceramic section, copper and steel parts and the casting resin. This is achieved with the material mentioned in claim 2.
- the padding makes a good connection to the casting resin and they does not affect the functional properties of the switching chamber and continues to have about a good Eigenisoliertext.
- a vacuum chamber 10 has a cylindrical body 11 which comprises two cylindrical pipe sections 12, 13 of insulating ceramic, preferably of Al 2 O 3 , which are interconnected with the interposition of a metallic ring 14.
- the metallic ring serves to hold a screen located inside the vacuum chamber 10.
- the lying in the drawing above end edge 15 of the cylindrical body 11 is covered with a metal lid 16 which is penetrated by a fixed contact stem 17, which carries at its inner end an unillustrated fixed contact piece.
- a contact terminal 18 is connected perpendicular to the central axis MM of the vacuum chamber 10, to which an upper supply line by means of a screw connection 19 can be fastened.
- the other, lower end 20 of the lower insulating portion 13 is connected to a cylindrical metallic pipe section 21, which is movable by a Contact stem 22 is penetrated, wherein in a manner not shown between the movable contact stem 22 and the metallic portion 21 Bellows is arranged, which controls the movement of the movable contact stem 22 in Direction of the center axis M-M allowed; at the inner end of the movable contact stem 22 is a movable contact piece, with the fixed Contact piece forms a contact point.
- a flexible band 23 which is connected to a contact terminal 24 is, to which a lower supply line connected by means of a screw connection 25 can be.
- the contact stem 22 is connected to a drive rod 26.
- the vacuum chamber 10 is, as seen in the figure, in a G confuseharzisol ist 30th having a portion 31 surrounding the cylindrical body 11, wherein the insulating body 30, 31 and the cover 16 and the contact terminal 18 encloses.
- a cylindrical Collar 32 At the front end of the body 11 of the vacuum chamber 10, from which the movable Contact stem 22 protrudes, connects to the section 31 a cylindrical Collar 32, on the one hand surrounds the contact terminal 24 and on its outer surface circumferential projections 33 which, to increase the insulating strength with regard to leakage currents.
- the cylindrical collar partially surrounds the drive rod 26th
- a padding 34 which is the two end faces of the cylindrical body 11 except for the region of the contact stem 17 and the Contact stem 22 surrounds.
- the padding consists of an ethylene-propylene-diene rubber tube by means of a plastic spiral is held in a cylindrical shape, so that the Hose are pushed over the cylindrical body 11 of the vacuum chamber can. After removal of the plastic spiral, the hose lays down similar Shrink tube against the outer surface of the body 11, wherein the relaxation the hose is made evenly, so that between the body 11 and the End faces, so the switching chamber 10 forms no air cushion. The length of the hose is chosen so that a subsequent processing, for. B. shortening the Hose, no longer required.
- the preheated, padded vacuum chamber is then used in the automatic pressure gelation process with aromatic or cycloaliphatic, encapsulated filled epoxy resins, wherein the sealing of the mold for Form core takes over the padding 34.
- the padding can also be made of silicone rubber consist.
- the drawing shows that the padding 34, the upper and lower end face of the vacuum chamber 21 partially covered.
- the padding 34 protrudes from the gap 40 between the vacuum chamber 21 and the casting resin 31 with a free end 41 out. That the padding 34, the lower end face 42 partially covered, is of lesser importance. It is essential that the padding 34 there not, as at the upper end face 43, completely enclosed by the casting resin, but protrudes freely, so that a free expansion down is possible.
- silicone rubber as padding 34 the free expansion option is necessary and advantageous to achieve sufficient elastic cushioning effects.
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Manufacture Of Switches (AREA)
- Insulating Bodies (AREA)
Description
Es zeigt die einzige Fig. eine Schnittansicht durch eine erfindungsgemäße Vakuumkammer.
Claims (5)
- Verfahren zur Herstellung einer Vakuumkammer (10) mit einem zylindrischen Körper (11), der wenigstens teilweise aus einer isolierenden Keramik (12, 13) vorzugsweise Al2O3, oder Glas besteht, mit einem feststehenden Kontaktstück und mit einem an einem beweglichen Kontaktstengel (22) angebrachten beweglichen Kontaktstück, wobei die Kontaktstücke im Vakuum angeordnet sind, der innerhalb des Körpers (11) herrscht, und der in Isoliermaterial (31); insbesondere Gießharz (30) bis auf die Stirnfläche, auf der der Kontaktstengel (22) für das bewegliche Kontaktstück herausragt, eingegossen ist, wobei zwischen dem zylindrischen Körper (11) und dem isolierenden Material (30, 31) eine elastische Polsterung (34) vorgesehen ist, die z. B. temperaturbedingte Relativbewegungen zwischen dem zylindrischen Körper (11) und dem Isoliermaterial (30, 31) ausgleicht,
dadurch gekennzeichnet, daß die Polsterung (34) durch einen Schlauch gebildet ist, der Mittel, insbesondere eine Kunststoffspirale, aufweist, mit denen der Schlauch zylindrisch gehalten ist, wobei der Durchmesser dieses zylindrisch gehaltenen Schlauches größer ist als der Außendurchmesser des zylindrischen Körpers (11), wobei die Mittel nach Überziehen des Schlauches über den zylindrischen Körper (11) entfernt werden. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Polsterung (34) vorzugsweise aus Ethylen-Propylen-Dien-Kautschuk, besteht.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Polsterung (34) aus Silikongummi besteht.
- , Verfahren nach Anspruch 2 oder 3 dadurch gekennzeichnet, daß der Schlauch in dem Zustand, wenn die Mittel entfernt sind, einen kleineren Durchmesser aufweist, als der zylindrische Körper (11), so daß die Enden des Schlauches zumindest teilweise die Stirnflächen des zylindrischen Körpers (11) überdecken.
- Verfahren nach einem der Ansprüche 1 bis 4 dadurch gekennzeichnet, daß die elastische Polsterung (34) an einem Ende der Vakuumkammer (10) frei aus ihrem Zwischenraum (40) zwischen Gießharz (31) und Außenfläche der Vakuumkammer (10) herausragt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29825094U DE29825094U1 (de) | 1997-03-22 | 1998-03-03 | Vakuumkammer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1997112182 DE19712182A1 (de) | 1997-03-22 | 1997-03-22 | Vakuumkammer |
DE19712182 | 1997-03-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0866481A2 EP0866481A2 (de) | 1998-09-23 |
EP0866481A3 EP0866481A3 (de) | 1999-11-03 |
EP0866481B1 true EP0866481B1 (de) | 2005-11-09 |
Family
ID=7824368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19980103652 Expired - Lifetime EP0866481B1 (de) | 1997-03-22 | 1998-03-03 | Verfahren zur Herstellung einer Vakuumkammer |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0866481B1 (de) |
CN (1) | CN1115702C (de) |
DE (2) | DE19712182A1 (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29902214U1 (de) | 1999-01-29 | 1999-05-06 | Siemens AG, 80333 München | Vakuumschalter, insbesondere für Hochspannung |
DE19921477A1 (de) * | 1999-05-08 | 2000-11-09 | Abb T & D Tech Ltd | Freiluftschalterpolteil mit einer Vakuumkammer |
DE10120447B4 (de) * | 2001-04-26 | 2012-12-27 | Abb Ag | Schalter |
EP1496535B1 (de) * | 2002-04-12 | 2011-08-31 | Mitsubishi Denki Kabushiki Kaisha | Vakuumröhre |
DE10224585A1 (de) * | 2002-06-04 | 2003-12-18 | Abb Patent Gmbh | Vakuumschalter |
DE10249615A1 (de) * | 2002-10-21 | 2004-05-13 | Siemens Ag | Herstellung eines feststoffisolierten Schalterpols |
DE10249614B3 (de) * | 2002-10-21 | 2004-05-19 | Siemens Ag | Isolierstoffgehäuse mit Rippenkontur |
DE102004031089B4 (de) * | 2004-06-28 | 2012-08-30 | Abb Technology Ag | Vakuumschaltkammer sowie Verfahren zur Herstellung derselben |
KR100859157B1 (ko) * | 2004-06-28 | 2008-09-19 | 에이비비 테크놀로지 아게 | 열 수축에 의해 제공되는 보호용 슬리브를 갖는 진공스위치 챔버 |
DE102004047276B4 (de) * | 2004-09-24 | 2006-11-30 | Siemens Ag | Selbsthaftende Elastomerschicht in feststoffisolierten Schalterpolen |
DE102004047259B3 (de) | 2004-09-24 | 2006-05-04 | Siemens Ag | Feststoffisolierter Schalterpol mit stirnseitiger Bewegkontaktverbindung |
DE102004050786C5 (de) * | 2004-10-14 | 2008-03-06 | Siemens Ag | Kupplungsvorrichtung mit Kühlkörper |
DE102004060274B4 (de) * | 2004-12-15 | 2007-02-15 | Abb Patent Gmbh | Verfahren zur Herstellung eines Schalters für die Mittel- und Hochspannungstechnik, sowie ein Schalter selbst |
DE102005039555A1 (de) * | 2005-08-22 | 2007-03-01 | Abb Technology Ltd. | Verfahren zur Herstellung von Schalterpolteilen für Nieder - Mittel - und Hochspannungsschaltanlagen, sowie Schalterpolteil selbst |
CA2626308C (en) * | 2005-10-28 | 2014-03-11 | S & C Electric Company | Circuit interrupter assembly and method of making the same |
DE202006007973U1 (de) * | 2006-05-10 | 2006-08-03 | Siemens Ag | Leistungsschalter, insbesondere Hochstromschalter |
DE102006042101B4 (de) | 2006-09-07 | 2008-09-25 | Switchcraft Europe Gmbh | Vakuumschalter für Mittel- und Hochspannungen |
DE102006062225B4 (de) * | 2006-12-22 | 2009-01-29 | Decom Gmbh | System eines feststoffisolierten Schalterpols |
EP2034502B1 (de) * | 2007-09-05 | 2017-03-22 | ABB Schweiz AG | Verfahren zur Herstellung eines Mittelspannungsschalterpols und Schalterpol |
DE602007013785D1 (de) * | 2007-12-07 | 2011-05-19 | Abb Technology Ag | Schaltgetriebeanordnung mit niedriger, mittlerer oder hoher Spannung und mit mindestens einem beweglichen Kontakt |
FR2925755B1 (fr) | 2007-12-21 | 2012-08-03 | Schneider Electric Ind Sas | Isolation d'un dispositif de coupure de type ampoule a vide par surmoulage |
US7910852B2 (en) * | 2008-02-07 | 2011-03-22 | Eaton Corporation | Encapsulated pole unit conductor assembly for an encapsulated pole unit and medium voltage circuit interrupter including the same |
FR2938966B1 (fr) * | 2008-11-24 | 2012-08-03 | Areva T & D Sa | Surmoulage pour ampoule a vide |
FR2938967B1 (fr) * | 2008-11-24 | 2012-08-03 | Areva T & D Sa | Surmoulage pour ampoule a vide en materiau composite smc ou bmc |
DE102009020152B3 (de) * | 2009-05-06 | 2010-12-23 | Siemens Aktiengesellschaft | Isolierstoffgehäuse zur Aufnahme einer Vakuumschaltröhre und feststoffisolierter Schalterpol |
EP2278602A1 (de) * | 2009-07-20 | 2011-01-26 | ABB Technology AG | Eingebetteter Teil einer Stange für eine Schaltvorrichtung |
CN102024615A (zh) * | 2010-12-23 | 2011-04-20 | 厦门明翰电气有限公司 | 一种真空断路器的极柱 |
EP2549503A1 (de) * | 2011-07-19 | 2013-01-23 | ABB Technology AG | Vakuumschalter mit integriertem Doppelspalt und Einzelantrieb |
EP2613333A1 (de) * | 2012-01-04 | 2013-07-10 | ABB Technology AG | Eingebetteter oder angeordneter Polteil mit Vakuumunterbrecher und Herstellungsverfahren dafür |
EP2656998A1 (de) * | 2012-04-23 | 2013-10-30 | ABB Technology AG | Stangenteil zur Verwendung von mittlerer Spannung, und Verfahren zur Herstellung davon |
CN205282361U (zh) * | 2012-12-24 | 2016-06-01 | Abb技术有限公司 | 空气绝缘开关装置中的电路断路器的极组件 |
FR3009643B1 (fr) | 2013-08-09 | 2015-08-07 | Schneider Electric Ind Sas | Ampoule a vide, pole de disjoncteur comprenant une telle ampoule a vide et procedes de fabrication de tels dispositifs |
EP3036752A4 (de) * | 2013-08-22 | 2017-06-07 | Dow Global Technologies LLC | Verfahren zur herstellung von polteilen für einen schutzschalter |
FR3017486B1 (fr) | 2014-02-07 | 2017-09-08 | Schneider Electric Ind Sas | Deflecteur pour ampoule a vide surmoulee |
EP3851093B1 (de) | 2015-08-10 | 2024-05-22 | Mary Kay, Inc. | Topische zusammensetzungen |
CN105655192A (zh) * | 2016-01-13 | 2016-06-08 | 宁波耀华电气科技有限责任公司 | 一种采用绝缘护套包覆真空灭弧室的固封极柱的制造方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1030798A (en) * | 1963-11-11 | 1966-05-25 | Ass Elect Ind | Improvements relating to vacuum electric switches |
US3812314A (en) * | 1971-08-23 | 1974-05-21 | Gen Electric | High power electrical bushing having a vacuum switch encapsulated therein |
US3955167A (en) * | 1975-01-08 | 1976-05-04 | Mcgraw-Edison Company | Encapsulated vacuum fuse assembly |
US4124790A (en) * | 1975-03-06 | 1978-11-07 | Mcgraw-Edison Company | Protective switch device and operating mechanism therefor |
US4393286A (en) * | 1978-08-24 | 1983-07-12 | Tokyo Shibaura Denki Kabushiki Kaisha | Vacuum circuit breakers |
DE8508473U1 (de) * | 1985-03-21 | 1985-05-15 | Siemens AG, 1000 Berlin und 8000 München | Kapselung einer Vakuumschaltröhre |
DE9017054U1 (de) * | 1990-12-18 | 1991-03-07 | ABB Patent GmbH, 6800 Mannheim | Schalterpolanordnung |
DE9314754U1 (de) * | 1993-09-27 | 1994-03-03 | Siemens AG, 80333 München | Vakuumschaltröhre mit einer gegen Innendruck beständigen Kapselung |
US5808258A (en) * | 1995-12-26 | 1998-09-15 | Amerace Corporation | Encapsulated high voltage vacuum switches |
DE19634451C1 (de) * | 1996-08-26 | 1998-01-29 | Driescher Eltech Werk | Lastschalter |
MY119298A (en) * | 1996-09-13 | 2005-04-30 | Cooper Ind Inc | Encapsulated vacuum interrupter and method of making same |
-
1997
- 1997-03-22 DE DE1997112182 patent/DE19712182A1/de not_active Withdrawn
-
1998
- 1998-03-03 DE DE59813165T patent/DE59813165D1/de not_active Expired - Lifetime
- 1998-03-03 EP EP19980103652 patent/EP0866481B1/de not_active Expired - Lifetime
- 1998-03-21 CN CN 98108765 patent/CN1115702C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59813165D1 (de) | 2005-12-15 |
EP0866481A3 (de) | 1999-11-03 |
CN1198580A (zh) | 1998-11-11 |
DE19712182A1 (de) | 1998-09-24 |
EP0866481A2 (de) | 1998-09-23 |
CN1115702C (zh) | 2003-07-23 |
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