DE494330C - Arrangement for the extinguishing chambers of oil switches - Google Patents
Arrangement for the extinguishing chambers of oil switchesInfo
- Publication number
- DE494330C DE494330C DEV24779D DEV0024779D DE494330C DE 494330 C DE494330 C DE 494330C DE V24779 D DEV24779 D DE V24779D DE V0024779 D DEV0024779 D DE V0024779D DE 494330 C DE494330 C DE 494330C
- Authority
- DE
- Germany
- Prior art keywords
- extinguishing chambers
- oil
- arrangement
- hollow
- traverse
- 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
Links
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
- H01H33/88—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
- H01H33/92—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 liquid, e.g. oil
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
Anordnung für die Löschkammern von Ölschaltern Bei Ölschaltern mit Löschkammern wird in dem Augenblick, in dem ,die Kontaktstifte die Löschkammern verlassen, das in den Löschkammern entwickelte, unter hohem Druck stehende Gas mit großer Heftigkeit in den Öltopf hineinströmen, und :es können dann, wenn die sich bildenden Ölgasblasen zu große Dimensionen annehmen, Gefahrzustände eintreten. Um nun statt einem Herausströmen von Gasen aus ,den Löschkammern ein Einströmen von Öl in :diese zu erreichen, werden die beweglichen Kontaktstifte in bekannter Weise hohl ausgeführt und bilden mit einer gleichfalls als Hohlkörper ausgebildeten und von einer hohlen Stange getragenen Traverse ein zusammenhängendes Rohrsystem. Gemäß der Erfindung befindet sich in der hohlen Tragstange der Traverse ein Kolben, dessen Bewegung nach unten begrenzt ist. Bilden sich in der Löschkammer Gase, so wird der Kolben hochgehoben und gestattet so eine Volumenvergrößerung des Löschkammerraumes. Auf diese Weise ist im Augenblick der Unterbrechung, also der Bewegung der Kontaktstifte in den Löschkammern, kein Druck vorhanden, durch .den die Gase in das Öl .gepreßt werden könnten. Ferner wird der Kolben an der Tragstange im Augenblick der Unterbrechung nicht nur durch den Druck der Gase angehoben, sondern es wird durch ,die Bewegung der Kontaktstifte und damit der Tragstange ein Einströmen von Öl in die Löschkammer bewirkt, und zwar auf Grund der Relativbewegung der Tragstange zu dem in ihrem Innern befindlichen Kolben, der an dieser Bewegung nicht teilnimmt.Arrangement for the extinguishing chambers of oil switches For oil switches with The arcing chamber becomes the moment in which the contact pins become the arcing chamber leave the gas under high pressure developed in the extinguishing chambers rush into the oil pot with great violence, and: it can then, if the The dimensions of the oil gas bubbles that form are too large, dangerous states occur. Around now instead of an outflow of gases from the extinguishing chambers an inflow of Oil in: to achieve this, the movable contact pins are used in a known manner executed hollow and form with a likewise designed as a hollow body and a connected pipe system supported by a hollow rod. According to the invention is in the hollow support rod of the crossbeam, a piston whose Downward movement is limited. If gases form in the extinguishing chamber, the Piston lifted up, thus allowing the volume of the extinguishing chamber to be increased. In this way, the moment of the interruption, i.e. the movement of the contact pins in the extinguishing chambers, no pressure through which the gases are pressed into the oil could become. Furthermore, the piston is on the support rod at the moment of interruption not only is it raised by the pressure of the gases, but it is raised by that movement the contact pins and thus the support rod an inflow of oil into the arcing chamber causes, due to the relative movement of the support rod to that in its interior located piston, which does not take part in this movement.
Eine schematische Darstellung einer solchen Anordnung ist aus der Zeichnung zu ersehen. a1 und a2 sind die beiden Löschkammern, b1 und b2 die Kontaktstifte, die mit den Gegenkontakten cl und c2 in Eingriff stehen. Die Kontaktstifte b1 und b2 sind hohl und durch die rohrförmige Traverse d verbunden. Die Traverse d wird .durch die von dem Antriebsgestänge bewegte Tragstange e gehalten, die gleichfalls hohl ausgeführt ist und einen Kolben f enthält. Bewegen sich die ,Traverse d und damit die Kontaktstifte b1 und b2 nach unten, so werden die beim Verlassen der Kontakte cl und c2 auftretenden Gase in den Hohlraum der Traverse d hineingedrückt und können den Kolben f in der Tragstange e anheben. In dem Augenblick, in dem die Kontaktstifte b1 und b2 die Löschkammern cal und a2 verlassen, ist in diesen kein Überdruck gegenüber dem Öl in dem Öltopf vorhanden, es können also die Gase nicht aus der Löschkaanmer in den Öltopf einströmen. Durch die Bewegung der Traverse d gegenüber .dem festen Kolben f wird beim Ausschalten ein Einziehen von Öl in die Löschkammer hervorgerufen.A schematic representation of such an arrangement is from See drawing. a1 and a2 are the two arcing chambers, b1 and b2 the contact pins, which are in engagement with the mating contacts cl and c2. The contact pins b1 and b2 are hollow and connected by the tubular cross member d. The traverse d will .Holded by the support rod e moved by the drive linkage, which likewise is made hollow and contains a piston f. Move the, Traverse d and so that the contact pins b1 and b2 are down, so when leaving the contacts cl and c2 occurring gases are pressed into the cavity of the traverse d and can lift the piston f in the support rod e. The moment the contact pins b1 and b2 leave the arcing chambers cal and a2, there is no overpressure in these the oil is present in the oil pot, so the gases cannot get out of the fire alarm flow into the oil pot. By moving the traverse d opposite the fixed one Piston f causes oil to be drawn into the extinguishing chamber when it is switched off.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV24779D DE494330C (en) | Arrangement for the extinguishing chambers of oil switches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEV24779D DE494330C (en) | Arrangement for the extinguishing chambers of oil switches |
Publications (1)
Publication Number | Publication Date |
---|---|
DE494330C true DE494330C (en) | 1930-03-21 |
Family
ID=7581435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEV24779D Expired DE494330C (en) | Arrangement for the extinguishing chambers of oil switches |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE494330C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2671144A (en) * | 1950-05-18 | 1954-03-02 | Westinghouse Electric Corp | Circuit interrupter |
DE1073061B (en) * | 1957-10-02 | 1960-01-14 | Feiten &. Guilleaume Carlswerk Aktiengesellschaft, Köln-Mülheim | Circuit breaker with arc extinguishing device |
-
0
- DE DEV24779D patent/DE494330C/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2671144A (en) * | 1950-05-18 | 1954-03-02 | Westinghouse Electric Corp | Circuit interrupter |
DE1073061B (en) * | 1957-10-02 | 1960-01-14 | Feiten &. Guilleaume Carlswerk Aktiengesellschaft, Köln-Mülheim | Circuit breaker with arc extinguishing device |
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