CH150738A - Cathode insulator for large rectifiers. - Google Patents
Cathode insulator for large rectifiers.Info
- Publication number
- CH150738A CH150738A CH150738DA CH150738A CH 150738 A CH150738 A CH 150738A CH 150738D A CH150738D A CH 150738DA CH 150738 A CH150738 A CH 150738A
- Authority
- CH
- Switzerland
- Prior art keywords
- cathode
- cathode insulator
- ring
- iron
- rectifiers
- Prior art date
Links
- 239000012212 insulator Substances 0.000 title claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 229910052573 porcelain Inorganic materials 0.000 claims description 8
- 239000011810 insulating material Substances 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 2
- 238000001816 cooling Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/26—Lead-in insulators; Lead-through insulators
- H01B17/30—Sealing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J13/00—Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
- H01J13/02—Details
- H01J13/04—Main electrodes; Auxiliary anodes
- H01J13/06—Cathodes
- H01J13/10—Containers for the liquid pool; Arrangements or mounting thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0072—Disassembly or repair of discharge tubes
- H01J2893/0073—Discharge tubes with liquid poolcathodes; constructional details
- H01J2893/0074—Cathodic cups; Screens; Reflectors; Filters; Windows; Protection against mercury deposition; Returning condensed electrode material to the cathodic cup; Liquid electrode level control
- H01J2893/0075—Cathodic cups
- H01J2893/0078—Mounting cathodic cups in the discharge tube
Landscapes
- Insulators (AREA)
Description
Kathodenisolator für Grossgleichrichter. Die Erfindung betrifft eine besondere Ausbildung der Isolation zwischen dem Va kuumgefäss und dem Kathodenbehälter bei Metalldampfgross'gleichrichtern, das heisst eine besondere Ausbildung des sogenannten Kathodenisolators.
Die bekannten Kathodenisolatoren be stehen aus Ringen aus Isoliermaterial, bei spielsweise Porzellanringen. Auch sind be reits Kathodenisolatoren vorgeschlagen wor den, die aus einzelnen Ringscheiben, Gummi und Eisen abwechselnd, hergestellt werden, wobei die Eisenteile durch die Gummischei ben voneinander isoliert werden. Die Porzel lanisolatoren haben den Nachteil, dass sie bei Grossgleichrichtern sehr hoher Leistung Aus masse erbalten müssen, die ihre Herstellung erschweren und deren Zerstörung oder Be schädigung begünstigen.
Erfindungsgemäss werden nun günstigere Verhältnisse für die Kathodenisolatoren da durch geschaffen, dass zwei ineinandergelegte Ringe vorgesehen werden, deren innerer aus Segmenten aus Isoliermaterial zusammen gesetzt ist und deren äusserer aus Eisen be steht.
In der Zeichnung ist ein Ausführungs beispiel dargestellt.
Die Zeichnung zeigt einen Schnitt durch den Isolator eines Grossgleichrichters. Zwi schen dem Vakuumgefäss 1 und dem Katho denbehälter 2 liegen zwischen Dichtungs scheiben 3 und 4 eingebettete, zu einem Ring zusammengesetzte Porzellansegmente 5, so wie ein Eisenring 6, der als geschlossenes Ganzes die Porzellanringsegmente umschliesst. Der Ring 6 hat eine Höhlung 7, die zur Durchführung von Kühlmitteln dient. Vor den Dichtungsringen 3 und 4, die aus Gummi bestehen, befinden sich Vordichtungsringe 8 und 9, die aus solchen Stoffen bestehen, dass eine Verunreinigung des Vakuums, wie dies der Fall sein könnte, wenn die Gummiringe 3 und 4 unmittelbar mit dem Vakuum in Be- rührung kämen, nicht eintritt.
Die Fugen zwischen den Porzellanringsegmenten sind mit Asbest ausgefüllt.
Während bei dem neuen Kathoden isolator die Porzellanringsegmente in erster Linie zur Isolation dienen, hat der Eisenring hauptsächlich die Aufgabe, die mechanische Beanspruchung zwischen den zu verbinden den Teilen aufzunehmen. Natürlich ist es möglich, daU an Stelle der Porzellanring segmente auch Körper aus anderem Isolier material genommen werden.
Cathode insulator for large rectifiers. The invention relates to a special design of the insulation between the vacuum vessel and the cathode container in large metal vapor rectifiers, that is to say a special design of the so-called cathode insulator.
The known cathode insulators be made of rings made of insulating material, for example porcelain rings. Cathode insulators have already been proposed which are made from individual ring disks, rubber and iron alternately, the iron parts being isolated from each other by the rubber disks. The porcelain insulators have the disadvantage that they have to build large rectifiers with very high power from mass, which make their manufacture difficult and promote their destruction or damage.
According to the invention, more favorable conditions for the cathode insulators are now created by providing two nested rings, the inner one of which is composed of segments made of insulating material and the outer of which is made of iron.
In the drawing, an execution example is shown.
The drawing shows a section through the insulator of a large rectifier. Between tween the vacuum vessel 1 and the cathode container 2 are between sealing washers 3 and 4 embedded, assembled into a ring porcelain segments 5, such as an iron ring 6, which encloses the porcelain ring segments as a closed whole. The ring 6 has a cavity 7 which is used for the passage of coolants. In front of the sealing rings 3 and 4, which are made of rubber, there are pre-sealing rings 8 and 9, which are made of such materials that a contamination of the vacuum, as could be the case if the rubber rings 3 and 4 directly with the vacuum in Be - Movement would come, not enter.
The joints between the porcelain ring segments are filled with asbestos.
While the porcelain ring segments are primarily used for insulation in the new cathode insulator, the main task of the iron ring is to absorb the mechanical stress between the parts to be connected. It is of course possible to use bodies made of other insulating material instead of the porcelain ring segments.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE150738X | 1938-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH150738A true CH150738A (en) | 1931-11-15 |
Family
ID=5674098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH150738D CH150738A (en) | 1938-07-15 | 1930-11-20 | Cathode insulator for large rectifiers. |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH150738A (en) |
| FR (1) | FR706818A (en) |
-
1930
- 1930-11-20 CH CH150738D patent/CH150738A/en unknown
- 1930-12-02 FR FR706818D patent/FR706818A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR706818A (en) | 1931-06-30 |
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