DE586821C - Coil for induction ovens - Google Patents

Coil for induction ovens

Info

Publication number
DE586821C
DE586821C DEH109741D DEH0109741D DE586821C DE 586821 C DE586821 C DE 586821C DE H109741 D DEH109741 D DE H109741D DE H0109741 D DEH0109741 D DE H0109741D DE 586821 C DE586821 C DE 586821C
Authority
DE
Germany
Prior art keywords
coil
section
conductor
cross
induction ovens
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
DEH109741D
Other languages
German (de)
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.)
BERLIN ILSENBURGER METALLWERKE
Original Assignee
BERLIN ILSENBURGER METALLWERKE
Publication date
Priority to DEH109741D priority Critical patent/DE586821C/en
Application granted granted Critical
Publication of DE586821C publication Critical patent/DE586821C/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements
    • H05B6/42—Cooling of coils

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Induction Heating (AREA)

Description

386821386821

Die Erfindung betrifft' eine Spule für Induktionsöfen, deren Leiter einen Kanal zur Durchführung eines Kühlmittels aufweist. Es ist bereits vorgeschlagen worden, in solchen Fällen den Kanal an oder nahe einer Seite des Leiters derart anzubringen, daß sein uhverschwächter Querschnitt von leitendem Material an derjenigen Stelle verbleibt, an welcher die Zusammendrängung des Stromes erfolgt; wobei gleichzeitig ein die Einspannung des Leiters sicherstellender fester Widerlagerteil geschaffen wird. Die vorgeschlagenen Querschnitte für einen solchen Leiter bestehen stets aus mindestens zwei Teilen, die durch Lötung miteinander verbunden sind. Ein solcher Querschnitt ist verhältnismäßig kostspielig in der Herstellung und weist auch den Nachteil auf, daß die Lotung keine durchaus sichere und ausreichendeThe invention relates to 'a coil for induction furnaces, the head of which has a channel for the passage of a coolant. It has already been suggested in such Cases to attach the channel on or near one side of the conductor in such a way that its uhverschwächter cross-section of conductive Material remains at the point where the flow is compressed he follows; at the same time a more secure clamping of the conductor Abutment part is created. The suggested cross-sections for such a Conductors always consist of at least two parts that are connected to one another by soldering are. Such a cross section is relatively expensive to manufacture and also has the disadvantage that the plumbing is not entirely reliable and sufficient

ao Verbindung zwischen den Leiterteilen herstellt. ao connection between the ladder sections.

Die vorliegende Erfindung bezweckt nun, diesen Nachteil dadurch zu beseitigen, daß das Spulenprofil aus einem Stück gepreßtThe present invention now aims to obviate this disadvantage in that the coil profile pressed from one piece

»5· wird, und zwar so, daß der nach der einen Seite der Spule zu liegende Teil des Profils einen größeren Querschnitt hat als der nach außen liegende.»5 · becomes, in such a way that the part of the profile to be located on one side of the coil has a larger cross-section than the one facing outwards.

Die Zeichnung zeigt eine beispielsweise Ausführungsform einer Spule gemäß der Erfindung im Schnitt. Die Spule ist aus einem Kupferrohr c gewickelt, welches nicht überall die gleiche Wandstärke aufweist, vielmehr ist an der einen Seite eine Verdickung oder Verstärkung d vorgesehen. Die Isolierung geschieht in der üblichen Weise mit Hilfe von Isolierstücken e. The drawing shows an example embodiment of a coil according to the invention in section. The coil is wound from a copper tube c , which does not have the same wall thickness everywhere, rather a thickening or reinforcement d is provided on one side. The isolation is done in the usual way with the help of insulating pieces e.

Der Querschnitt hat den Vorteil, daß auch hier, wie bereits vorgeschlagen, dem Strom an derjenigen Stelle, wohin er infolge der gegenseitigen Induktion zwischen primärer und sekundärer. Spule abgedrängt wird, ein geringerer Widerstand geleistet wird, auch eine Kühlung des Leiters erfolgt und trotzdem das ganze Profil aus einem Stück besteht, so daß kein Löten erforderlich ist. Der Hohlraum f der Spule dient zum Durchführen des Kühlwassers.The cross section has the advantage that here too, as already proposed, the current at the point where it is due to the mutual induction between the primary and secondary. Coil is pushed away, a lower resistance is offered, the conductor is also cooled and yet the whole profile consists of one piece, so that no soldering is required. The cavity f of the coil is used to pass through the cooling water.

Claims (1)

Patentanspruch : _0 Claim: _ 0 Spule für Induktionsöfen, deren Leiter einen Kanal zur Durchführung eines Kühlmittels aufweist, der an oder nahe einer Seite des Leiters angebracht ist, dadurch gekennzeichnet, daß der gesamte Querschnitt des Leiters aus einem Stück besteht, also aus einem Rohr hergestellt ist, welches an der Innenseite der Spule einen größeren Wandquerschnitt aufweist als an der Außenseite.Coil for induction furnaces, the conductor of which has a duct for carrying a Having coolant attached to or near one side of the conductor thereby characterized in that the entire cross section of the conductor consists of one piece, that is, made of a tube is, which has a larger wall cross-section on the inside of the coil than on the outside. Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DEH109741D Coil for induction ovens Expired DE586821C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEH109741D DE586821C (en) Coil for induction ovens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEH109741D DE586821C (en) Coil for induction ovens

Publications (1)

Publication Number Publication Date
DE586821C true DE586821C (en) 1933-10-28

Family

ID=7170887

Family Applications (1)

Application Number Title Priority Date Filing Date
DEH109741D Expired DE586821C (en) Coil for induction ovens

Country Status (1)

Country Link
DE (1) DE586821C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288210B (en) * 1961-08-14 1969-01-30 Demag Elektrometallurgie Gmbh Electric crucible induction furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1288210B (en) * 1961-08-14 1969-01-30 Demag Elektrometallurgie Gmbh Electric crucible induction furnace

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