DE576936C - Large rectifier with protective tubes surrounding the anodes and the anode insulators, which are wider than the anode diameter - Google Patents

Large rectifier with protective tubes surrounding the anodes and the anode insulators, which are wider than the anode diameter

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Publication number
DE576936C
DE576936C DES86508D DES0086508D DE576936C DE 576936 C DE576936 C DE 576936C DE S86508 D DES86508 D DE S86508D DE S0086508 D DES0086508 D DE S0086508D DE 576936 C DE576936 C DE 576936C
Authority
DE
Germany
Prior art keywords
anode
anodes
insulators
protective tubes
wider
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
Application number
DES86508D
Other languages
German (de)
Inventor
Dr-Ing E H Moritz Schenkel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens Schuckertwerke AG
Siemens AG
Original Assignee
Siemens Schuckertwerke AG
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens Schuckertwerke AG, Siemens AG filed Critical Siemens Schuckertwerke AG
Priority to DES86508D priority Critical patent/DE576936C/en
Application granted granted Critical
Publication of DE576936C publication Critical patent/DE576936C/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02Details
    • H01J13/20Control electrodes, e.g. grid
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0072Disassembly or repair of discharge tubes
    • H01J2893/0088Tubes with at least a solid principal cathode and solid anodes
    • H01J2893/009Anode systems; Screens
    • H01J2893/0092Anodic screens or grids

Landscapes

  • Electrolytic Production Of Metals (AREA)

Description

DEUTSCHES REICHGERMAN EMPIRE

AUSGEGEBEN AIH 19. MAI 1933ISSUED ON MAY 19, 1933

REICHSPATENTAMTREICH PATENT OFFICE

PATENTSCHRIFTPATENT LETTERING

KLASSE 21 g GRUPPECLASS 21 g GROUP

Patentiert im Deutschen Reiche vom 8. Juli 1928 abPatented in the German Empire on July 8, 1928

Die Erfindung betrifft Großgleichrichter mit die Anoden und die Anodenisolatoren umgebenden, im Vergleich zum Anodendurchmesser weit en. Schutzrohr en.
In Quecksilberdampfgleichrichtern tritt bekanntlich während _ der Sperrperiode in der Nähe der Anoden die sogenannte kathodische Zerstäubung auf, deren Produkte sIcITriamenT" lieh auf der Oberfläche der zur Einführung der Anoden dienenden Isolatoren ablagern. Dadurch können an den Isolatoren leitende Beläge entstehen, welche die Feldverteilung in der Nähe der Anoden ändern, Kriechwege verkleinern und sogar Gelegenheit zum ^JJa,
The invention relates to large rectifiers with the anodes and the anode insulators surrounding them, compared to the anode diameter. Protection tube.
In mercury vapor rectifiers, as is well known, during the blocking period in the vicinity of the anodes, so-called cathodic sputtering occurs, the products of which are deposited on the surface of the insulators used to insert the anodes Change the proximity of the anodes, reduce the creepage distances and even have the opportunity to ^ YYes,

setzen elektrischer Entladungen bieten, die sicTTTSis zur Anode fortpflanzen können.set provide electrical discharges that can propagate sicTTTSis to the anode.

Die kathodische Zerstäubung wird durch die sogenannten Restladungen, d. h. Ladungsträger, die aus der Stromdurchgangsperiode zurückbleiben, in der die Elektrizitätsträger verschiedenen Vorzeichens voneinander geschieden sind, noch begünstigt, man kann also die Zerstäubung einschränken, wenn man die aus der Sperrzeit zurückgebliebenen Ladungsträger neutralisiert.The cathodic sputtering is caused by the so-called residual charges, i.e. H. Charge carrier, that remain from the current passage period in which the electricity carriers different signs are divorced from each other, still favored, so one can limit the atomization if one considers the charge carriers left behind from the blocking period neutralized.

Gemäß der vorliegenden Erfindung werden Großgleichrichter mit die Anoden und die Anodenisolatoren umgebenden Schutzrohren dadurch verbessert, daß innerhalb der Schutzrohre der Raum zwischen Anodenkopf und Isolator durch mehrere ineinandergeschachtelte, den Anodenkopf schirmartig umgebende, in Abstand voneinander angeordnete Metallfiächen unterteilt ist, deren dem Anodenkopf am nächsten liegende., von dem Anodenkopf einen Abstand in der Größenordnung^^ dej. Dunkelraumes hat. Als MetaUflächen können die**Flachen ineinanderliegender, die Anoden gegebenenfalls konzentrisch umschließender Ringe dienen. Die Metallflächen sind vorteilhaft in Staffeln angeordnet.According to the present invention, large rectifiers with the anodes and the Anode insulators surrounding protective tubes improved by being inside the protective tubes the space between anode head and insulator by several nested ones, Metal surfaces arranged at a distance from one another and surrounding the anode head like an umbrella is subdivided, whose closest to the anode head., from the anode head a distance of the order of ^^ dej. Dark room. The ** surfaces, one inside the other, the anodes optionally serve concentrically enclosing rings. The metal surfaces are advantageous arranged in seasons.

Auf der Zeichnung ist ein Ausführungsbeispiel einer solchen Schutzvorrichtung dargestellt. An exemplary embodiment of such a protective device is shown in the drawing.

Wie üblich, ist die aus Eisen oder Graphit bestehende Anode ι gegen das Gleichrichtergefäß durch Isolatoren 2 und 3 isoliert, die zur Vergrößerung der Kriechwege mit Rillen und Rippen versehen sind und von denen namentlich der obere Isolator 3 einen verhältnismäßig breiten Schirm 4 hat, der die Anode gegen das Auftreffen von am oberen Teil des Gleichrichtergefäßes kondensiertem Quecksilber schützt. An dem Isolator 3 ist durch Halter 5 ein metallenes Änodenschutzrohr 6 aufgehängt.As usual, the anode made of iron or graphite is against the rectifier vessel isolated by insulators 2 and 3, which increase the creepage distances with grooves and ribs are provided and of which the upper insulator 3 is a relative one has a wide screen 4 which protects the anode against the impact of mercury condensed on the upper part of the rectifier vessel protects. A metal anode protection tube 6 is attached to the insulator 3 by means of the holder 5 hung up.

Da sich nun die Produkte der durch Rest ladungen geförderten kathodischen Zerstäubung hauptsächlich auf den vorspringenden Rippen sowie in den Rillen der Isolatoren ab- SoSince now the products of the cathodic sputtering promoted by residual charges mainly on the protruding ribs as well as in the grooves of the insulators

*) Von dein Patentsucher ist als der Erfinder angegeben worden:*) Your patent seeker stated as the inventor:

Or.-Ing. e. h. Moritz Schenkel in Berlin-Charlottenburg.Or.-Ing. e. H. Moritz Schenkel in Berlin-Charlottenburg.

lagern, sollen diese Stellen erfindungsgemäß durch Fernhalten der in der Sperrperiode noch vorhandenen Restladungsträger geschützt werden. Zu dem Zwecke sind vor den Isolatoren eine Anzahl Metallflächen ?y 8,9^. vorzugsweise in Form von Gitterkörpern (zylindrischen Ringen oder Ringteüeh), angeordnet, die dazu dienen, Ladungsträger, die in ihre Nähe gelangen, schnell zu neutralisieren. Umstore, these points are to be protected according to the invention by keeping away the residual charge carriers that are still present in the blocking period. For this purpose there are a number of metal surfaces in front of the insulators? y 8.9 ^. preferably in the form of lattice bodies (cylindrical rings or ring parts), which are used to quickly neutralize charge carriers that come near them. Around

to solchen Ladungsträgern den- Zugang zu den Isolatoren zu versperren, sind die Neutralisationsflächen möglichst dicht an die isolierenden Flächen herangerückt, jedoch ohne daß sie in unmittelbare Berührung mit ihnen treten können. Vorteilhaft ist es auch für die angestrebte Wirkung, wenigstens eine der Neutralisationsflächen in möglichst großer Nähe der Anode anzuordnen, damit nicht zwischen Neutralisationsfläche und Anode noch To block such charge carriers from accessing the insulators, the neutralization surfaces are moved as close as possible to the insulating surfaces, but without being able to come into direct contact with them. It is also advantageous for the desired effect to arrange at least one of the neutralization surfaces as close as possible to the anode, so that not between the neutralization surface and anode

so Restladungen eindringen können. .Die der Anode benachbarte Neutralisationsfläche 9 ist dabei in solchem Abstand von der Anode zu halten, daß dieser. Abstand in die Größenordnung des Dunkelraumes fällt.so residual charges can penetrate. The neutralization surface 9 adjacent to the anode is to keep at such a distance from the anode that this. Distance in the order of magnitude of the dark room falls.

Claims (3)

Patentansprüche:Patent claims: ι. Großgleichrichter mit die Anoden und die Anodenisolatoren umgebenden, im Vergleich zum Anodendurchmesser weiten -30 Schutzrohren, dadurch gekennzeichnet, daß innerhalb der Schutzrohre der Raum zwischen Anodenkopf und Isolator durch mehrere ineinandergeschachtelte, den Anodenkopf schirmartig umgebende, in Abstand voneinander angeordnete Metallflächen unterteilt ist deren dem Anodenkopf am nächsten liegende von dem Anodenkopf einen Abstand in der Größenordnung des Dunkelraumes hat.ι. Large rectifier with surrounding anodes and anode insulators, im Compared to the anode diameter wide -30 protective tubes, characterized in that inside the protective tubes the space between the anode head and the insulator through several nested anode heads Umbrella-like surrounding metal surfaces arranged at a distance from one another are subdivided into the anode head closest to the anode head a distance of the order of magnitude of the dark room has. 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß als Metallflächen die Flächen ineinanderliegender, die Anoden gegebenenfalls konzentrisch umschließender Ringe dienen.2. Apparatus according to claim 1, characterized in that the metal surfaces the surfaces of nested rings, optionally concentrically enclosing the anodes, are used. 3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Metallflächen in Staffeln angeordnet sind.3. Apparatus according to claim 1, characterized in that the metal surfaces are arranged in seasons. Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DES86508D 1928-07-08 1928-07-08 Large rectifier with protective tubes surrounding the anodes and the anode insulators, which are wider than the anode diameter Expired DE576936C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DES86508D DE576936C (en) 1928-07-08 1928-07-08 Large rectifier with protective tubes surrounding the anodes and the anode insulators, which are wider than the anode diameter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES86508D DE576936C (en) 1928-07-08 1928-07-08 Large rectifier with protective tubes surrounding the anodes and the anode insulators, which are wider than the anode diameter

Publications (1)

Publication Number Publication Date
DE576936C true DE576936C (en) 1933-05-19

Family

ID=7513082

Family Applications (1)

Application Number Title Priority Date Filing Date
DES86508D Expired DE576936C (en) 1928-07-08 1928-07-08 Large rectifier with protective tubes surrounding the anodes and the anode insulators, which are wider than the anode diameter

Country Status (1)

Country Link
DE (1) DE576936C (en)

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