EP0856860A2 - Tulpenkontaktstück für ein Hochspannungsschaltgerät und Kontaktanordnung - Google Patents
Tulpenkontaktstück für ein Hochspannungsschaltgerät und Kontaktanordnung Download PDFInfo
- Publication number
- EP0856860A2 EP0856860A2 EP97120237A EP97120237A EP0856860A2 EP 0856860 A2 EP0856860 A2 EP 0856860A2 EP 97120237 A EP97120237 A EP 97120237A EP 97120237 A EP97120237 A EP 97120237A EP 0856860 A2 EP0856860 A2 EP 0856860A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact piece
- ring
- cylinder
- section
- tulip
- 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
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
- H01H1/38—Plug-and-socket contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
Definitions
- the invention relates to a tulip contact piece for a high-voltage switching device according to the preamble of claim 1, and a contact arrangement according to the preamble of claim 5.
- Such a tulip contact piece is a mating contact piece or a fixed contact piece for the contact pin of an earthing switch; accordingly there is a possibility that when switching off or when switching on between the tulip contact piece and an arc is drawn on the mating contact piece.
- the tulip contact piece and the counter contact piece must have a coating be made of erosion-resistant material.
- contact fingers in tulip shape for such a switch are essentially intended for nominal current cutoffs.
- Another solution is there in providing a finger contact basket that mates with the mating contact piece in Connection is established and, and around it, a finger basket to arrange the power transmission to effect.
- the contact arrangement thus has two contact points; the one is used to transmit the nominal current and the other is used to break an arc. Wherever an arc occurs, erosion-resistant material must be provided and accordingly, the front ends of the fingers wear erosion-resistant material.
- the object of the invention is to simplify such a tulip contact piece.
- This object is achieved in that an axially on a circular ring slotted cylinder is formed, which slits between them Contact fingers form that at the end of the cylinder opposite the circular ring an adapted slotted ring is formed, the cross-sectional shape together with the cylinder in the shape of a golf club that the free axial end of the Ring has a radial ring surface on which a section of erosion-resistant material is attached, and that the inner diameter corresponding to the mating contact piece of the tulip contact piece is smaller than the inside diameter of the section made of fire-resistant material.
- the tulip contact piece which Transmits rated current
- another section that contains the erosion-resistant material so that no two contact pieces or contact elements have to be provided, but one; d. H. that the rated current transmission and arc quenching with a single contact piece in different places. If the pin-shaped counter contact moves into the tulip contact piece, touches the counter contact piece first the section made of erosion-resistant material, the tulip contact piece expands opens slightly and arrives with the inner surface of the cylinder when retracting of the ring in contact. Because there is copper in the area of this inner surface of the ring is located, i.e. there is no erosion-resistant material, the contact resistance is there low.
- the mating contact piece then leaves the inner surface of the ring and finally separates from the section made of erosion-resistant material, so that the Arc on the tulip contact piece on the section attached to the front made of burn-resistant material with a base.
- the counter contact piece is accordingly also at the end facing the tulip contact piece with a section made of fire-resistant material. This also burns the other base on the mating contact piece on this erosion-resistant material.
- a sintered alloy made of copper and tungsten is preferred as the erosion-resistant material used, which is welded or soldered onto the tulip contact piece.
- the final contour After attaching the section made of erosion-resistant material, the final contour turned off the tulip contact piece and then silvered the contact piece.
- a contact arrangement is formed, which is a pin-shaped Has counter contact piece, which is formed according to subclaims 5 and 6 is.
- a bulkhead insulator 11 is arranged within a high-voltage switchgear 10; how it is installed is not important.
- the bulkhead isolator 11 has three Isolator bushings 12 for each phase, only one of which is visible.
- To the Bushings 12 are tulip contact pieces 13 by means of screw connections 14 attached, the bushing 12 having an axial extension 15 which in further engages in the tulip contact piece 13 as shown.
- a housing 17 is removably attached (the The type of attachment is of little importance), whereby between the pipe section 16 and the housing 17 is provided with a carrier 18 made of electrically conductive material.
- a guide housing 19 is attached to this carrier 18, in which - per phase - each a counter contact piece arrangement 20, 21 is guided. The drive for this movable Mating contact piece arrangement is also not important.
- the counter-contact piece arrangement 20, 21 is formed from a contact piece carrier 22, to which the actual mating contact piece 23 is attached, which is enlarged in FIG. 4 is shown.
- the tulip contact piece 13 has a circular ring 24 which has an internal thread 25 with which the tulip contact piece is fixed on the projection 15 is.
- a cylinder 26 adjoins the circular ring 24, the cylinder 26 having radial Slots 27, 28 is provided so that there are between two slots 27 and 28th a resilient cylinder section 29 is located, a total of eight such resilient Cylinder sections are provided.
- the individual cylinder sections 29 then form the entire cylinder 26.
- On the cylinder 26 there is an adapted slot provided ring 30, which together with the cylinder 26 in cross section, that is in Cross-section in the axial direction, giving a golf club shape.
- the cylinder 26 with comparatively thin wall thickness passes into the ring 30, the inner surface of the Cylinder 26 merges into a cone shape 31, the cone angle is obtuse.
- the ring 30 has an approximately radial end at the end opposite the circular ring 24 End surface 32, on which a section 33 of erosion-resistant material is attached, is preferably soldered or welded on.
- FIG. 5 shows part of the ring 30 in an enlarged view.
- the conical inner surface 31 which is adjoined by a cylindrical inner surface 34, which merges to the free end of the ring 30 in a conical surface 35, the one has an acute angle and opened to the free end of the tulip contact piece 13 is.
- the outer contour 36 of the ring 30 is an arc of a circle.
- the circular ring 24 with the cylinder 13 and the ring 30 is made of copper, whereas the erosion-resistant material is a sintered alloy made of copper and tungsten.
- the pin-shaped engages inside the ring 30
- Mating contact piece 23 which has a threaded portion 40 with which it is in the contact carrier 22 is screwed.
- the counter contact piece 23 has a cylindrical Section 41 with a radial end face 42, on which also a section 43 is soldered from erosion-resistant material.
- the section 43 is conically pointed tapering so that when inserting the counter-contact piece 23 in the ring 30 itself first touch the sections 33 and 43 made of erosion-resistant material, and then continue Retract the cylindrical sections 34 and 41 can touch.
- the section 41 is made of copper and section 43 of the same erosion-resistant Material so that when the mating contact piece 23 comes out of the tulip contact piece 13 is pulled out, the arc between the erosion-proof sections 33 and 43 is pulled. It can be seen from Fig. 1 that the outer diameter of the section 43 is slightly larger than the inside diameter of section 34, so that when the counter-contact piece 23 is retracted, the cylindrical sections 29 spring open.
- the switch shown in Fig. 6 serves as an earthing switch.
Landscapes
- Contacts (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
- Manufacture Of Switches (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Relay Circuits (AREA)
Abstract
Description
- Fig. 1
- eine Schnittansicht eines Tulpenkontktstückes, gemäß der Schnittlinie I - I der Fig. 2,
- Fig. 2
- eine Aufsicht gemäß Pfeilrichtung auf das Tulpenkontktstück der Fig. 1,
- Fig. 3
- eine Seitenansicht auf das Tulpenkontaktstück der Fig. 1 und der Fig. 2,
- Fig. 4
- eine Seitenansicht eines stiftförmigen Gegenkontaktstückes, in gegenüber dem Maßstab der Fig. 1 vergrößertem Maßstab,
- Fig. 5
- eine vergrößerte Einzelheit V der Fig. 1 und Fig. 6, und
- Fig. 6
- eine Einbauvariante des Tulpenkontaktstückes mit dem Gegenkontaktstück gemäß Fig. 1 und 4.
Claims (6)
- Tulpenkontaktstück, das zur Aufnahme eines stiftförmigen Gegenkontaktstückes geeignet und ausgebildet ist, mit kreisförmig angeordneten federnden Kontaktfingern, dadurch gekennzeichnet, daß an einem Kreisring (24) ein axial mit Schlitzen (27, 28) versehener Zylinder (13) angeformt ist, welche Schlitze (27, 28) zwischen sich die Kontaktfinger (29) bilden, daß an dem dem Kreisring (24) entgegengesetzten Ende des Zylinders (26) ein angepaßt geschlitzter Ring (30) angeformt ist, dessen Querschnittsform zusammen mit dem Zylinder (26) die Form eines Golfschlägers aufweist, daß das freie axiale Ende des Ringes (30) eine radiale Ringfläche (32) aufweist, auf der ein Abschnitt (33) aus abbrandfestem Material befestigt ist, und daß der dem Gegenkontaktstück (23) entsprechende Innendurchmeser des Tulpenkontaktstückes kleiner ist als der Innendurchmesser des Abschnittes aus abbrandfestem Material.
- Tulpenkontaktstück nach Anspruch 1, dadurch gekennzeichnet, daß die Innenfläche des Ringes (30) einen dem Kreisring zugewandten Bereich mit einer zylindrischen Innenfläche (34) und einen daran anschließenden sich zum freien Ende öffnenden konischen Bereich aufweist, dessen dem axialen Ende des Ringes zugewandter Teilbereich von dem Abschnitt (33) aus abbrandfestem Material begrenzt ist.
- Tulpenkontaktstück nach Anspruch 2, dadurch gekennzeichnet, daß der dem Kreisring (24) zugewandte Flächenbereich (31) des Ringes (30) eine konische Fläche bildet, deren Konuswinkel ein stumpfer Winkel ist und zum Kreisring geöffnet ist.
- Tulpenkontakt nach einem der vorigen Ansprüche, dadurch gekennzeichnet, daß die Wandstärke des Zylinders (26) zwischen ca. 1/4 bis 1/6 der radialen Erstreckung des Ringes (30) darstellt, gemessen von der Innenfläche des Zylinders (26) bis hin zum zylindrischen Innenabschnitt des Ringes (30).
- Kontaktanordnung mit einem Tulpenkontakt nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Durchmesser der zylindrischen Innenfläche des Ringes (30) kleiner ist als der Durchmesser des stiftförmigen Gegenkontaktstückes (23), so daß der Zylinder (26) beim Einfahren des Gegenkontaktstückes auffedert.
- Kontaktanordnung nach Anspruch 5, dadurch gekennzeichnet, daß das stiftförmige Gegenkontaktstück (23) ebenfalls einen Abschnitt (43) aus abbrandfestem Material aufweist, welcher Abschnitt (43) eine konische, spitz zulaufende Außenfläche aufweist, die dem konischen Bereich an der Innenfläche des Ringes (30) des Tulpenkontaktstückes entspricht.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19703345 | 1997-01-30 | ||
DE19703345A DE19703345A1 (de) | 1997-01-30 | 1997-01-30 | Tulpenkontaktstück für ein Hochspannungsschaltgerät und Kontaktanordnung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0856860A2 true EP0856860A2 (de) | 1998-08-05 |
EP0856860A3 EP0856860A3 (de) | 1998-12-30 |
EP0856860B1 EP0856860B1 (de) | 2002-01-23 |
Family
ID=7818759
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97120237A Expired - Lifetime EP0856860B1 (de) | 1997-01-30 | 1997-11-19 | Tulpenkontaktstück für ein Hochspannungsschaltgerät und Kontaktanordnung |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0856860B1 (de) |
JP (1) | JP4064511B2 (de) |
KR (1) | KR100457219B1 (de) |
CN (1) | CN1085394C (de) |
AT (1) | ATE212470T1 (de) |
DE (2) | DE19703345A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014075992A1 (en) * | 2012-11-13 | 2014-05-22 | Abb Technology Ag | Contact system |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2864688B1 (fr) * | 2003-12-29 | 2006-02-24 | Alstom | Organe de contact electrique pour appareillage electrique en moyenne ou haute tension, procede et appareillage correspondants. |
EP2410553B1 (de) * | 2010-07-19 | 2012-10-03 | ABB Technology AG | Gasisolierter Hochspannungsschalter |
CN102231335A (zh) * | 2011-06-03 | 2011-11-02 | 闫淼江 | 隔离开关的阳触头及断口组件 |
CN103065834A (zh) * | 2012-12-18 | 2013-04-24 | 天津市百利电气有限公司 | 具有分断能力强的弧触头的隔离开关 |
MX2013013363A (es) * | 2013-11-15 | 2015-05-15 | Mikhail Sotnikov | Contactos electricos con una seccion reducida de aluminio. |
CN104882302B (zh) * | 2014-02-27 | 2017-06-09 | 西门子公司 | 切换装置的接触组件及其切换装置 |
CN105448549B (zh) * | 2015-11-25 | 2018-10-02 | 河南平芝高压开关有限公司 | 接触组件及使用该组件的接地开关、金属封闭开关装置 |
CN105632794B (zh) * | 2016-03-02 | 2019-08-13 | 平高集团有限公司 | 电连接装置及其触指座 |
CN106057507B (zh) * | 2016-06-30 | 2018-11-27 | 平高集团有限公司 | 触指片、触指片加工方法及触指、触指组件、断路器 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH324323A (de) * | 1953-10-15 | 1957-09-15 | Sprecher & Schuh Ag | Kontaktvorrichtung, insbesondere für Hochleistungsschalter |
US4841108A (en) * | 1987-11-06 | 1989-06-20 | Cooper Industries, Inc. | Recloser plenum puffer interrupter |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4212740C2 (de) * | 1992-04-16 | 1997-02-27 | Asea Brown Boveri | Hochspannungsschalter |
JP2562348Y2 (ja) * | 1993-04-26 | 1998-02-10 | ホシデン株式会社 | スイッチ |
-
1997
- 1997-01-30 DE DE19703345A patent/DE19703345A1/de not_active Withdrawn
- 1997-11-19 AT AT97120237T patent/ATE212470T1/de active
- 1997-11-19 EP EP97120237A patent/EP0856860B1/de not_active Expired - Lifetime
- 1997-11-19 DE DE59706176T patent/DE59706176D1/de not_active Expired - Lifetime
- 1997-12-24 KR KR1019970073781A patent/KR100457219B1/ko not_active IP Right Cessation
-
1998
- 1998-01-26 CN CN98104026A patent/CN1085394C/zh not_active Expired - Lifetime
- 1998-01-28 JP JP01591898A patent/JP4064511B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH324323A (de) * | 1953-10-15 | 1957-09-15 | Sprecher & Schuh Ag | Kontaktvorrichtung, insbesondere für Hochleistungsschalter |
US4841108A (en) * | 1987-11-06 | 1989-06-20 | Cooper Industries, Inc. | Recloser plenum puffer interrupter |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014075992A1 (en) * | 2012-11-13 | 2014-05-22 | Abb Technology Ag | Contact system |
US9543087B2 (en) | 2012-11-13 | 2017-01-10 | Abb Schweiz Ag | Contact system |
RU2643777C2 (ru) * | 2012-11-13 | 2018-02-06 | Абб Текнолоджи Аг | Контактная система |
Also Published As
Publication number | Publication date |
---|---|
KR19980070231A (ko) | 1998-10-26 |
CN1085394C (zh) | 2002-05-22 |
JP4064511B2 (ja) | 2008-03-19 |
DE59706176D1 (de) | 2002-03-14 |
KR100457219B1 (ko) | 2005-02-23 |
EP0856860A3 (de) | 1998-12-30 |
JPH10308131A (ja) | 1998-11-17 |
ATE212470T1 (de) | 2002-02-15 |
DE19703345A1 (de) | 1998-08-06 |
EP0856860B1 (de) | 2002-01-23 |
CN1190786A (zh) | 1998-08-19 |
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