EP1249850A2 - Isoliergehäuse, insbesondere Gehäuse einer Schaltröhre eines Vakuumschalters, mit einer Halterung zur Positionierung einer Steuerelektrode - Google Patents
Isoliergehäuse, insbesondere Gehäuse einer Schaltröhre eines Vakuumschalters, mit einer Halterung zur Positionierung einer Steuerelektrode Download PDFInfo
- Publication number
- EP1249850A2 EP1249850A2 EP02090131A EP02090131A EP1249850A2 EP 1249850 A2 EP1249850 A2 EP 1249850A2 EP 02090131 A EP02090131 A EP 02090131A EP 02090131 A EP02090131 A EP 02090131A EP 1249850 A2 EP1249850 A2 EP 1249850A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- insulating housing
- control electrode
- contact surfaces
- bracket
- holder
- 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
- 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
-
- 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
- H01H33/02—Details
- H01H33/24—Means for preventing discharge to non-current-carrying parts, e.g. using corona ring
Definitions
- the invention relates to an insulating housing, in particular Housing of a switching tube of a vacuum switch, with at least a bracket, which on an outer wall of the Insulated housing is arranged and there is an electrical Field-shaped, annular control electrode positioned.
- Such an insulating housing is for example from the DE 297 17 489 U1.
- the insulating housing is part of a housing one Switch tube of a vacuum switch.
- the insulating housing there is essentially hollow cylindrical and surrounds two axially opposite contact pieces coaxially.
- the two End regions of the hollow cylindrical insulating housing are sealed gastight with end plates. Through the end plates are the connection bolts of the contact pieces gastight passed through, the one connecting bolt on one of the Contact pieces is fixed and the other contact pin movably passed through one of the end plates is.
- Inside the switch tube is still coaxial to the Switch pieces arranged a shield electrode.
- the hollow cylindrical The insulating housing is composed of two parts. In the joint of the two abutting partial bodies the shield electrode is held.
- Such areas are, for example, the edge areas of the End plates and in particular the joints of insulating housing parts.
- it is proposed to bring metal parts shaped for shielding into joints, a hollow ring electrode on the circumference of the insulating housing form. Through this structure, the electrical Field to be homogenized.
- the present invention is therefore based on the object a simpler and cheaper holder of the To enable electrodes on an insulating housing.
- the task is in an insulating housing of the type mentioned Art solved according to the invention in that the at least a holder has pressing surfaces which on a Scope of the insulating housing are arranged distributed and so are arranged to each other that the pressing surfaces a receptacle form in which the annular control electrode can be positively fixed.
- This configuration according to the invention makes positioning possible the control electrode ensures in a very simple manner. Now it is possible to remove the electrode after it is done Production of the actual insulating housing or the actual one Switching tube without the need for complex joining processes to fix. In the structure of the insulating housing there is no longer any need to intervene.
- the bracket is made of a metal. Over the contact surfaces is the control electrode with the Bracket electrically contacted, so that bracket and Control electrode have the same electrical potential.
- the Bracket can in any way on the insulating housing be arranged. For example, according to Art a clamp around the insulating housing or in the insulating housing can be incorporated or in corresponding Snap the molded insulating body sections into place.
- annular control electrode is the formation of the Control electrode as a circular ring. In addition to this preferred embodiment however, they are also oval, ring-shaped or polygonal annular control electrodes in the through the pressing surfaces trained receptacle can be used in a form-fitting manner.
- V-shaped Contact surfaces allow each of the trained so Contact surfaces of the annular control electrode both in axial Direction as set in the radial direction.
- exemplary Refinements are two on the circumference of the insulating housing circumferential V-shaped contact surfaces, so that a V-shaped annular groove is created or the arrangement a few pressure surfaces along the circumference, the V-shaped are arranged to each other, and so the annular Only support and position the control electrode at certain points.
- An advantageous embodiment can also provide that the V-shaped contact surfaces along the Circumference are offset.
- the V-shaped contact surfaces are arranged directly are arranged opposite one another.
- the contact surfaces can also be staggered along the circumference his. This makes it possible, for example dispensing with every second contact surface, the bracket to use less material and still the advantageous one Design of the admission for form-fitting determination to maintain the annular control electrode. Despite this offset can have sufficient mechanical strength the bracket and the ring-shaped attached to it Control electrode can be achieved.
- a further advantageous embodiment of the invention provides that the at least one holder has comb-like teeth, a first group of which is perpendicular to the circumferential direction is turned and a second group opposite to first group is bent to form the contact surfaces.
- the contact surfaces an annular groove-like receptacle on the circumference of the insulating housing form.
- annular groove-like receptacle on the circumference of the insulating housing, which is formed by the contact surfaces represents a very cheap option, the ring-shaped control electrode form-fitting.
- the recording needs not to be a conventional full ring groove.
- Even some Sections such as three symmetrically around the perimeter distributed contact surfaces and possibly three associated ones V-shaped offset contact surfaces also have the necessary functionality of a through the contact surfaces formed receptacle for positioning the annular control electrode on.
- a ring groove-like Recording press surfaces are very different Variants of ring groove sections and individual short, ring groove-like receptacles for receiving the control electrode possible.
- control electrode elastically deformable for insertion into the receptacle is.
- the elastic deformability represents a cheap alternative to a rigid control electrode.
- An elastic deformable control electrode is particularly easy in insert a recording.
- Such an elastically deformable Control electrode adapts to the recording in a favorable manner and independently secure itself in their position.
- a flexible control electrode is a multi-part Execution of the control electrode possible.
- the single ones Sections are placed in the holder and there together connected.
- Combinations of rigid control electrode sections with elastic sections to achieve favorable installation conditions can be constructed.
- the receptacle can be elastic to a limited extent be executed.
- the at least one bracket in the joint of two abutting partial body of the insulating housing held is.
- the two abutting partial bodies can both two partial bodies formed from insulating material and an insulating one Partial body and an electrically conductive partial body his.
- the partial bodies can both be electrically conductive sub-bodies that are part of the parent Isoliergeophuses are. Additional cradles on the insulating housing can be avoided.
- Such joints continue to be disruptive arrangements, particularly homogeneity of the electrical field. Out for this reason, such joints should be particularly electric be shielded. Now the joint for holding the bracket used, it is possible in a simple manner, the necessary Control electrode in a very favorable position with respect to arrange the fugue. Other attachments that may the homogeneity of the electrical field in the area of the joint disturbing even further are avoided.
- An advantageous design can provide that the at least a bracket inside the insulating housing Shield electrode holds.
- the field-controlling annular control electrode in the outside area also the field inside the insulating housing influence favorably, just like the shield electrode inside the insulating housing in interaction with the ring-shaped Control electrode the area of the joint of the two abutting Partial body favorable in terms of homogeneity of the electric field.
- the two electrodes have the same electrical potential, an almost field-free space forms between them in which the holder for the electrodes is then located and the joint there is electrically shielded in a very good way is.
- the switch tube 1 is an example of an insulating housing Switching tube 1 of a vacuum switch shown.
- the switch tube 1 has a first ceramic insulator 2 and one second ceramic insulator 3.
- the first ceramic insulator 2 is composed of a first section 2a and a second section 2b formed.
- the second ceramic insulator 3 is made of a third Section 3a and a fourth section 3b formed.
- the Central area 4 of the switching tube 1 is made of an electrical conductive material formed.
- the central area 4 serves the Shielding the contact pieces arranged opposite one another.
- the first contact piece 5 is fixed.
- the second contact piece 6 is designed to be movable.
- the first contact piece 5 is angularly rigid with the first connection bolt 7, which is gastight through the first end plate 9 passed through and rigidly attached to this, connected.
- the second contact piece 6 is fixed to the second connection bolt 8 connected.
- the second connection pin 8 is movable passed gas-tight through a second end plate 10. to movable seal of the second connecting bolt 8 is on a bellows 29 is arranged on the second end plate 10.
- the second connecting bolt 8 is in the direction of the double arrow 30 driven by a drive.
- the shielding effect of the central area 4 is a first Shield electrode 25a, a second shield electrode 25 and one third shield electrode 26, on the first ceramic insulator 2 and a fourth shield electrode 27, a fifth shield electrode 28 and a sixth shield electrode 28a on the second ceramic insulator 3 arranged.
- the first shield electrode 25a, the second shield electrode 25 and third shield electrode 26 extend coaxially inside the switching tube 1 around the first connecting bolt 7.
- the fourth shield electrode 27, the fifth shield electrode 28 and sixth shield electrode 28a are arranged coaxially to the second connection bolt 8.
- the Shield electrodes are essentially hollow cylindrical. To avoid acute-angled arrangements are the free ends of the shield electrodes
- the fourth section 3b and the third section 3a are a first bracket 11, a second bracket 12, a third bracket 13, a fourth bracket 14, a fifth Bracket 15 and a sixth bracket 16 inserted.
- the first bracket 11 holds the first shield electrode 25a second bracket 12 holds the second shield electrode 25, the third bracket 13 holds the third shield electrode 26, the fourth bracket 14 holds the fourth shield electrode 27 which fifth bracket 15 holds the fifth shield electrode 28 and the sixth holder 16 holds the sixth shield electrode 28a inside the switching tube.
- the first bracket 11, the second bracket 12, the third bracket 13, the fourth bracket 14, the fifth bracket 15, the sixth bracket 16 are part of the encapsulation housing of the switching tube 1 and each gastight with the first section 2a, the second section 2b, the central area 4 and the third section 3a, the fourth section 3b and the first end plate 9 and connected to the second end plate 10.
- the brackets point in essentially the shape of an annular disc, which is gastight are soldered into the switching tube 1.
- the second bracket 12 and the third bracket 13 and the fourth bracket 14 and the fifth bracket 15 have on their outer circumference in the area of the first ceramic insulator 2 and the third ceramic insulator 3 contact surfaces.
- the respective brackets assigned contact surfaces form a first receptacle 17, a second receptacle 18, a third receptacle 19, a fourth receptacle 20, in which a first annular control electrode 21, a second annular control electrode 22, a third annular control electrode 23, a fourth annular one Control electrode 24 are set.
- the respective Brackets assigned to individual contact surfaces along the circumference of the first ceramic insulator 2 and second ceramic insulator 3 arranged in a V-shape.
- the first ring-shaped Control electrode 21, the second annular control electrode 22, the third annular control electrode 23, the fourth annular control electrode 24 can for example be elastic "Round cord rings" with electrically conductive Substances are filled and thus control the electrical Field.
- Another variant is training the first annular control electrode 21, the second annular Control electrode 22, the third annular control electrode 23, the fourth annular control electrode 24 a multiturn worm feather, the is worked in a ring.
- first annular control electrode 21 which second annular control electrode 22, the third annular Control electrode 23, the fourth annular control electrode 24 electrically conductive with the first bracket 12, with the second Bracket 13, the third bracket 14 and the fourth Bracket 15 connected, which in turn is electrically conductive with the associated second shield electrode 25, the third Shield electrode 26, the fourth shield electrode 27 and the fifth shield electrode 28 are connected. Because they are each other assigned control electrodes and shield electrodes always the same have contact potential and the mounts in an almost field-free and shielded space so that the joints are reliable are electrically shielded.
- FIG. 2 shows an example of a section of the top view the second bracket 12 shown.
- the second bracket 12 has essentially the structure of an annular disc, the passed gastight through the wall of the switching tube 1 is. Inside the ring disc is the second shield electrode 25 arranged. On the outside of the washer a variety of teeth are provided. These teeth preferably have a comb-like structure. Now a recording form in which the first annular control electrode 21 is form-fitting, a group of teeth, preferably every second tooth, into a first Turned towards. The remaining teeth are in one of the first direction opposite direction so that the two groups of teeth face each other in a V-shape. The annular groove-like first receptacle 17 thus becomes educated.
- the comb-like structure is not necessarily a gas-tight one Passing the bracket through the wall of the Switch tube 1 bound.
- Such comb-like tooth structures can also, for example, by means of a clamp on everyone anywhere in the switching tube 1, for example in the area the first end plate 9 or the second end plate 10, to be ordered.
- the second bracket 12 is in the joint between the first partial body 2a and the second partial body 2b gas-tight soldered.
- the first receptacle 17 is formed from contact surfaces, in the opposite direction from that already described Comb structure of the second bracket bent out are.
- other recordings can also be carried out, for example one Image with a circular or semicircular cross section with a triangular, quadrangular or polygonal Cross-section.
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
Description
- Figur 1
- eine Schaltröhre eines Vakummschalters mit einer Ausführung der erfindungsgemäßen Vorrichtung, die
- Figur 2
- eine kammartige Ausgestaltung der Halterung für die Steuerelektrode und die
- Figur 3
- einen Schnitt durch eine Halterung mit einer eingelegten ringförmigen Steuerelektrode.
Claims (8)
- Isoliergehäuse (1), insbesondere ein Gehäuse einer Schaltröhre eines Vakuumschalters, mit wenigstens einer Halterung (12,13,14,15), welche an einer Außenwandung des Isoliergehäuses (2,3) angeordnet ist und dort eine ein elektrisches Feld beeinflussende, ringförmige Steuerelektrode (21,22,23,24) positioniert,
dadurch gekennzeichnet, dass
die wenigstens eine Halterung (12,13,14,15) Anpressflächen aufweist, welche an einem Umfang des Isoliergehäuses (2,3) verteilt angeordnet sind und so zueinander angeordnet sind, dass die Anpressflächen eine Aufnahme (17,18,19,20) bilden, in welcher die ringförmige Steuerelektrode (21,22,23,24) formschlüssig festlegbar ist. - Isoliergehäuse nach Anspruch 1,
dadurch gekennzeichnet, dass
einzelne Anpressflächen längs des Umfanges zueinander v-förmig angeordnet sind. - Isoliergehäuse nach Anspruch 2,
dadurch gekennzeichnet, dass
die v-förmig zueinander angeordneten Anpressflächen längs des Umfanges versetzt sind. - Isoliergehäuse nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass
die wenigstens eine Halterung (12,13,14,15) kammartige Zähne aufweist, von denen eine erste Gruppe senkrecht zur Umfangsrichtung abgebogen ist und eine zweite Gruppe entgegengesetzt zur ersten Gruppe abgebogen ist um so die Anpressflächen auszubilden. - Isoliergehäuse nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, dass
die Anpressflächen eine ringnutähnliche Aufnahme (17,18,19,20) am Umfang des Isoliergehäuses (2,3) ausbilden. - Isoliergehäuse nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, dass
die Steuerelektrode (21,22,23,24) zum Einlegen in die Aufnahme elastisch verformbar ist. - Isoliergehäuse nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, dass
die wenigstens eine Halterung (17,18,19,20) in der Fuge zweier aneinanderstoßender Teilkörper (2a,2b; 3a,3b) des Isoliergehäuses gehalten ist. - Isoliergehäuse nach Anspruch 7,
dadurch gekennzeichnet, dass
die wenigstens eine Halterung (12,13,14,15) im Innern des Isoliergehäuses eine Schirmelektrode (25,26,27,28) haltert.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2001118960 DE10118960C1 (de) | 2001-04-10 | 2001-04-10 | Isoliergehäuse, insbesondere Gehäuse einer Schaltröhre eines Vakuumschalters, mit einer Halterung zur Positionierung einer Steuerelektrode |
DE10118960 | 2001-04-10 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1249850A2 true EP1249850A2 (de) | 2002-10-16 |
EP1249850A3 EP1249850A3 (de) | 2004-04-28 |
EP1249850B1 EP1249850B1 (de) | 2007-12-12 |
Family
ID=7681824
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20020090131 Expired - Lifetime EP1249850B1 (de) | 2001-04-10 | 2002-04-04 | Isoliergehäuse, insbesondere Gehäuse einer Schaltröhre eines Vakuumschalters, mit einer Halterung zur Positionierung einer Steuerelektrode |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1249850B1 (de) |
DE (2) | DE10118960C1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018028946A1 (de) * | 2016-08-09 | 2018-02-15 | Siemens Aktiengesellschaft | Isolatoranordnung für eine hoch- oder mittelspannungsschaltanlage |
WO2019115177A1 (de) * | 2017-12-11 | 2019-06-20 | Siemens Aktiengesellschaft | Schirmelement für eine vakuumschaltröhre |
WO2024056392A1 (de) * | 2022-09-13 | 2024-03-21 | Siemens Energy Global GmbH & Co. KG | Einteilige per zugdruckumformen hergestellte abschirmung |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10229095B4 (de) * | 2002-06-25 | 2004-09-16 | Siemens Ag | Abschirmelektrode |
JP4686600B2 (ja) * | 2006-03-27 | 2011-05-25 | 三菱電機株式会社 | スイッチギヤとその製造方法 |
DE102007022875B4 (de) | 2007-05-14 | 2009-04-09 | Siemens Ag | Gehäuse für eine Vakuumschaltröhre und Vakuumschaltröhre |
DE102010043984B4 (de) | 2010-11-16 | 2022-01-20 | Siemens Energy Global GmbH & Co. KG | Vakuumschaltröhre mit einem Röhrenkörper |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0411492A2 (de) * | 1989-08-01 | 1991-02-06 | Mitsubishi Denki Kabushiki Kaisha | Unter Hochspannung arbeitendes, isolierendes Vakuumgefäss |
FR2719414A1 (fr) * | 1994-04-28 | 1995-11-03 | Reinhausen Maschf Scheubeck | Sélecteur en charge pour transformateur à prises. |
DE29717489U1 (de) * | 1997-09-30 | 1999-01-28 | Siemens AG, 80333 München | Röhre zur Verwendung im Mittelspannungs- und Hochspannungsbereich |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3641384A (en) * | 1970-03-16 | 1972-02-08 | Hughes Aircraft Co | Switching device |
DE8034443U1 (de) * | 1980-12-19 | 1981-05-27 | Siemens AG, 1000 Berlin und 8000 München | Freiluft-Hochspannungs-Leistungsschalter |
-
2001
- 2001-04-10 DE DE2001118960 patent/DE10118960C1/de not_active Expired - Fee Related
-
2002
- 2002-04-04 DE DE50211336T patent/DE50211336D1/de not_active Expired - Lifetime
- 2002-04-04 EP EP20020090131 patent/EP1249850B1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0411492A2 (de) * | 1989-08-01 | 1991-02-06 | Mitsubishi Denki Kabushiki Kaisha | Unter Hochspannung arbeitendes, isolierendes Vakuumgefäss |
FR2719414A1 (fr) * | 1994-04-28 | 1995-11-03 | Reinhausen Maschf Scheubeck | Sélecteur en charge pour transformateur à prises. |
DE29717489U1 (de) * | 1997-09-30 | 1999-01-28 | Siemens AG, 80333 München | Röhre zur Verwendung im Mittelspannungs- und Hochspannungsbereich |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018028946A1 (de) * | 2016-08-09 | 2018-02-15 | Siemens Aktiengesellschaft | Isolatoranordnung für eine hoch- oder mittelspannungsschaltanlage |
CN109716474A (zh) * | 2016-08-09 | 2019-05-03 | 西门子股份公司 | 用于高压或者中压开关设备的绝缘子装置 |
US10685797B2 (en) | 2016-08-09 | 2020-06-16 | Siemens Aktiengesellschaft | Insulator arrangement for a high-voltage or medium-voltage switchgear assembly |
WO2019115177A1 (de) * | 2017-12-11 | 2019-06-20 | Siemens Aktiengesellschaft | Schirmelement für eine vakuumschaltröhre |
CN111480211A (zh) * | 2017-12-11 | 2020-07-31 | 西门子股份公司 | 用于真空开关管的屏蔽元件 |
US11342142B2 (en) | 2017-12-11 | 2022-05-24 | Siemens Aktiengesellschaft | Shield element for a vacuum interrupter |
WO2024056392A1 (de) * | 2022-09-13 | 2024-03-21 | Siemens Energy Global GmbH & Co. KG | Einteilige per zugdruckumformen hergestellte abschirmung |
Also Published As
Publication number | Publication date |
---|---|
DE10118960C1 (de) | 2003-01-23 |
EP1249850A3 (de) | 2004-04-28 |
DE50211336D1 (de) | 2008-01-24 |
EP1249850B1 (de) | 2007-12-12 |
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