DE1012399B - Safety measure to be applied in a method or a device for the continuous heat treatment of continuous, elongated metallic material by means of direct alternating current passage - Google Patents
Safety measure to be applied in a method or a device for the continuous heat treatment of continuous, elongated metallic material by means of direct alternating current passageInfo
- Publication number
- DE1012399B DE1012399B DEB37664A DEB0037664A DE1012399B DE 1012399 B DE1012399 B DE 1012399B DE B37664 A DEB37664 A DE B37664A DE B0037664 A DEB0037664 A DE B0037664A DE 1012399 B DE1012399 B DE 1012399B
- Authority
- DE
- Germany
- Prior art keywords
- continuous
- alternating current
- heat treatment
- safety measure
- metallic material
- 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.)
- Pending
Links
- 238000010438 heat treatment Methods 0.000 title claims description 5
- 238000000034 method Methods 0.000 title claims description 5
- 239000007769 metal material Substances 0.000 title claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000004913 activation Effects 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000004804 winding Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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
- H05B3/00—Ohmic-resistance heating
- H05B3/0004—Devices wherein the heating current flows through the material to be heated
- H05B3/0009—Devices wherein the heating current flows through the material to be heated the material to be heated being in motion
Landscapes
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Description
Die Hauptpatentanmeldung B 35817 VIIId/21h hat ein Verfahren zur kontinuierlichen Wärmebehandlung von durchlaufendem, langgestrecktem metallischem Gut mittels direkten Wechselstromdurchganges zum Gegenstand, bei dem die Zuleitung des Stromes an das Gut durch Kontaktvorrichtungen erfolgt, von denen eine geerdet ist, und bei dem im Behandlungsgut im Anschluß an die nicht geerdete Kontaktvorrichtung durch ein fremderregtes Magnetfeld eine Spannung induziert wird, welche der zwischen den Kontaktvorrichtungen anliegenden Spannung gleich und entgegengerichtet ist, so daß die das Gut aufnehmende Haspel oder ein sonstiger Teil der Anlage auf Erdpotential gebracht wird und die Erdung dieser Teile ohne nachteilige Folgen möglich ist.The main patent application B 35817 VIIId / 21h has a process for the continuous heat treatment of continuous, elongated metallic Good by means of direct alternating current passage to the object in which the supply line of the Current to the item takes place through contact devices, one of which is grounded, and in the case of the item to be treated connected to the ungrounded contact device by an externally excited magnetic field a voltage is induced, which is the voltage applied between the contact devices is the same and opposite, so that the reel receiving the goods or some other part the system is brought to earth potential and the earthing of these parts without adverse consequences is possible.
Eine solche direkte Erdung ist jedoch aus verschiedenen Gründen nicht immer zweckmäßig. Wird aus besonderen Gründen auf eine direkte Erdung der vorgenannten Teile der Anlage verzichtet, so· kann, es bei nicht einwandfreier Abstimmung der zu dem genannten Zweck vorgesehenen Transformatoren vorkommen, daß die in dem Behandlungsgut induzierte Spannung von der zwischen den Kontaktvorrichtungen anliegenden Spannung größenmäßig abweicht, so daß die das Gut aufnehmende Haspel oder ein sonstiger Teil der Anlage gegenüber der Erde eine entsprechende Differenzspannung aufweist.However, such direct grounding is not always appropriate for various reasons. Will For special reasons, the aforementioned parts of the system are not directly earthed, so · it can occur if the transformers provided for the stated purpose are not properly coordinated, that the voltage induced in the material to be treated depends on that between the contact devices applied voltage differs in size, so that the reel receiving the good or another Part of the system has a corresponding differential voltage with respect to the earth.
Wegen dieser Gefahr wird erfindungsgemäß beim Verfahren nach der Hauptpatentanmeldung als Sicherheitsmaßnahme die Einschaltung eines spannungsempfmdlichen Relais zwischen Erde und einem oder mehreren mit dem durchlaufenden Gut in leitender Verbindung stehenden, betriebsmäßig auf Erdpotential befindlichen, aber nicht direkt geerdeten Teilen der Anlage vorgenommen.Because of this risk, according to the invention in the method according to the main patent application as Safety measure the connection of a voltage sensitive relay between earth and a or several that are in conductive connection with the goods passing through and that are operationally at ground potential located but not directly earthed parts of the system.
Tn folgendem wird die Erfindung an Hand der Zeichnung näher erläutert.The invention is explained in more detail below with reference to the drawing.
Das von der Haspel 2 der Erhitzungseinrichtung zulaufende Gut 1 wird zwischen dem geerdeten Kontakt 4 und dem nicht geerdeten Kontakt 5, die mit einer nicht dargestellten Wechselstromquelle verbunden sind, durch direkten Stromdurchgang erhitzt. Im Anschluß an die Kontaktvorrichtung 5 ist ein das Gut umschließender Eisenkern 8 mit einer Primarwicklung 9 so angeordnet, daß in dem innerhalb' des Kerns befindlichen Gutstück eine Spannung induziert wird, welche der zwischen den Kontaktvorrichtungen anliegenden Spannung gleich und entgegengesetzt gerichtet ist. Die Primärwicklung 9 wird dabei durch eine entsprechende, ebenfalls nicht dargestellte Wechselstromquelle gespeist. Bei richtiger Abstimmung der beschriebenen Einrichtung befindet sich der Gutstrang zwischen dem Eisenkern 8 und der Auf-Bei einem Verfahren bzw. einerThe material 1 flowing in from the reel 2 of the heating device is between the earthed contact 4 and the ungrounded contact 5, which are connected to an alternating current source, not shown are heated by direct passage of current. Following the contact device 5 is a good surrounding iron core 8 with a primary winding 9 so arranged that in the inside 'of the core located good piece a voltage is induced, which is applied between the contact devices Voltage is equal and opposite. The primary winding 9 is thereby through a corresponding alternating current source, also not shown, is fed. With the right vote the device described is the strand between the iron core 8 and the Auf-Bei a procedure or a
Vorrichtung zur kontinuierlichenDevice for continuous
Wärmebehandlung von durchlaufendem,Heat treatment of continuous,
langgestrecktem metallischem Gut mittelselongated metallic material by means of
direkten Wechselstromdurchgangs anzuwendende Sicherheitsmaßnahmesafety measure to be applied in direct AC passage
Zusatz zur Patentanmeldung B 35 817 VIIId/21 h (Auslegesdirift 1 008 835)Addition to patent application B 35 817 VIIId / 21 h (Laying out guide 1 008 835)
Anmelder:Applicant:
Brown, Boveri & Cie. Aktiengesellschaft, Mannheim-Käfertal, Boveristr. 22Brown, Boveri & Cie. Aktiengesellschaft, Mannheim-Käfertal, Boveristr. 22nd
Edgar Hassmüller, Dortmund, ist als Erfinder genannt wordenEdgar Hassmüller, Dortmund, has been named as the inventor
nahmehaspel 3 somit auf Erdpotential, ohne selbst geerdet zu sein.The take-up reel 3 is thus at ground potential without being grounded itself.
Zwischen einem mit dieser Gutstrecke leitend in Verbindung stehenden Teil der Anlage, beispielsweise einem Führungsrollenpaar 10 und Erde 15, ist gemäß der Erfindung ein spannungsempfindliches Relais 14 eingeschaltet. Nimmt nun aus irgendwelchen Gründen der zwischen dem Eisenkern 8 und der Aufnahmehaspel 13 liegende Gutteil eine unzulässige Spannung an, so spricht das spannungsempfindliche Relais 14 an, das den Fehler durch Betätigung einer an sich bekannten optischen oder akustischen Signalvorrichtung meldet. Die Einrichtung kann auch so beschaffen sein, daß beim Ansprechen dieses Relais die Anlage ausgeschaltet wird.Between a part of the system that is conductively connected to this route, for example a pair of guide rollers 10 and earth 15, is a voltage-sensitive relay 14 according to the invention switched on. For whatever reason, it now takes between the iron core 8 and the take-up reel 13 good part is at an impermissible voltage, the voltage-sensitive relay 14 speaks to that the error by operating a known optical or acoustic signal device reports. The device can also be designed in such a way that the system is switched off when this relay is triggered will.
Die Erfindung ist nicht auf das beschriebene Ausführungsbeispiel beschränkt. Der Eisenkern 8 sowie der Anschluß an das Relais 14 bzw. Erde 15 können sinngemäß auch am Eingangsende der Behandlungsstrecke angeordnet werden, wobei dann der Kontakt 4 nicht geerdet und der Kontakt 5 dafür geerdet wird.The invention is not restricted to the exemplary embodiment described. The iron core 8 as well the connection to the relay 14 or earth 15 can also be arranged at the input end of the treatment section, in which case the contact 4 not earthed and contact 5 is earthed for it.
Die Speisung der Primärwicklung 9 des Eisenkerns 8 kann auch aus der gleichen Stromquelle!, die den Strom zur Erwärmung des Gutes liefert, erfol-The primary winding 9 of the iron core 8 can also be fed from the same power source! supplies the electricity to heat the goods,
709 588/223709 588/223
gen, wie dies beispielsweise in der Beschreibung der Patentanmeldung B 35817 VIIId/21h näher erläutert ist.gen, as explained in more detail, for example, in the description of patent application B 35817 VIIId / 21h is.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB37664A DE1012399B (en) | 1955-10-26 | 1955-10-26 | Safety measure to be applied in a method or a device for the continuous heat treatment of continuous, elongated metallic material by means of direct alternating current passage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEB37664A DE1012399B (en) | 1955-10-26 | 1955-10-26 | Safety measure to be applied in a method or a device for the continuous heat treatment of continuous, elongated metallic material by means of direct alternating current passage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1012399B true DE1012399B (en) | 1957-07-18 |
Family
ID=6965256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEB37664A Pending DE1012399B (en) | 1955-10-26 | 1955-10-26 | Safety measure to be applied in a method or a device for the continuous heat treatment of continuous, elongated metallic material by means of direct alternating current passage |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1012399B (en) |
-
1955
- 1955-10-26 DE DEB37664A patent/DE1012399B/en active Pending
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