DE668586C - Fusible conductor for overcurrent carriers fuse cartridges - Google Patents
Fusible conductor for overcurrent carriers fuse cartridgesInfo
- Publication number
- DE668586C DE668586C DEW100019D DEW0100019D DE668586C DE 668586 C DE668586 C DE 668586C DE W100019 D DEW100019 D DE W100019D DE W0100019 D DEW0100019 D DE W0100019D DE 668586 C DE668586 C DE 668586C
- Authority
- DE
- Germany
- Prior art keywords
- tin
- overcurrent
- fusible
- fusible conductor
- hemispherical
- 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
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/06—Fusible members characterised by the fusible material
Landscapes
- Fuses (AREA)
Description
Schmelzleiter für überstromträge Schmelzsicherungspatronen Die S chmelzleiter für überstromträge Schmelzsicherungspatronen werden meist so hergestellt, daß Silberbänder zur Verwendung kommen, welche in der Mitte ein- öder beiderseitig mit Zinn belegt sind. Dabei wird der Querschnitt des Silberbandes für ein und dieselbe Stromstärke entsprechend größer gewählt als bei .einem Silberband ohne Zinnaufläge. Diese Zinnauflage hat den Zweck, daß bei Erreichen einer gewissen Temperatur das Zinn sich mit dem Silber legiert. Dadurch verringert sich an der mit Zinn belegten Stelle die Leitfähigkeit, und es tritt dadurch ein früheres Abschmelzen des Silberbandes ein. . Um verschiedene Trägheiten zu erzielen, wird einmal mehr öder weniger Zinn aufgetragen oder auch auf beiden Seiten des Bandes.Fusible conductors for overcurrent defective fuse cartridges The fusible conductors For overcurrent-defective fuse cartridges are usually manufactured in such a way that silver strips come into use, which are coated with tin in the middle or on both sides are. The cross-section of the silver ribbon is used for one and the same amperage Chosen accordingly larger than with a silver ribbon without tin plating. This tin plating has the purpose that when a certain temperature is reached, the tin becomes with the Alloyed silver. This reduces the conductivity at the point covered with tin, and this leads to an earlier melting of the silver ribbon. . To different To achieve inertia, tin is applied once more or less, or else on both sides of the tape.
Diese Ausführungen haben nicht nestlos den an sie gestellten Forderungen genügt. Vor allem war @es nicht möglich, immer genau die gleiche Menge Zinn aufzubringen. Dadurch streuen die Sicherungen beim Abschmelzen erheblich.These statements do not have the demands placed on them without nesting enough. Above all, @it was not able to always apply exactly the same amount of tin. As a result, the fuses scatter considerably when they melt.
Die Erfindung zeigt einen Schmelzleiter für überstromträge Schmelzsicherungspatronen, der dadurch gekennzeichnet ist, daß zur Erzielung einer gleichmäßigen Abschaltzeit der bandförmige Schin:elzleiter eine Abknickung oder halbleugelförmige Vertiefung besitzt; in die eine bestimmte Menge - Zinn. eingebracht und durch Erhitzen mit dem Schmelzleiter verbunden wird.The invention shows a fusible conductor for fuse cartridges that carry overcurrent, which is characterized in that to achieve a uniform switch-off time the ribbon-shaped Schin: elzleiter a kink or hemispherical depression owns; in which a certain amount - tin. introduced and by heating with is connected to the fusible link.
Die Erfindung hat den Vorteil, daß immer die gleiche Menge Zinn aufgebracht und daher in der Abschmelzcharaktexistik der Sicherung das Streuband in seiner Breite möglichst schmal gehalten werden kann. Das Aufbringen dieser bestimmten Menge Zinn kann durch das Überstreichen ,des aufgebrachten Zinns mit .einem nicht brennbaren Lack; Wasserglas oder Gips -erleichtert werden.The invention has the advantage that the same amount of tin is always applied and therefore the scatter band in its width in the melting characteristic of the fuse can be kept as narrow as possible. Applying that certain amount of tin can be done by painting over the applied tin with a non-flammable Paint; Water glass or plaster of paris can be relieved.
Aus der Abb. i ist ersichtlich, wie das Silberband i mit einem keilförmigen Knick 2 versehen ist, in dem eine ganz bestimmte Menge Zinn ¢ mit dem Silberband i durch Erhitzung verbunden wird.From Fig. I it can be seen how the silver band i with a wedge-shaped Kink 2 is provided in which a very specific amount of tin ¢ with the silver band i is connected by heating.
Abb.2 zeigt eine Ausführung, bei der der -keilförmige Knick durch eine halbkugelförmige Ausbuchtung 5 ersetzt ist, in der ebenfalls .eine ganz bestimmte Menge Zinn untergebracht ist. Um zu verhindern, daß bei Erhitzung des Silberbandes i das Zinn an. dem Band herunterläuft, wird ein Überzug aus einem nicht brennbaren Lack, Wasserglas oder Gips 6 über der Knickung 2 oder der halbkugelförmigen Ausbuchtung 5 vorgesehen.Fig.2 shows an embodiment in which the wedge-shaped kink through a hemispherical bulge 5 is replaced, in which also .a very specific Amount of tin is housed. To prevent the silver ribbon from heating up i put the tin on. runs down the tape, a coating of a non-flammable Lacquer, water glass or plaster of paris 6 over the kink 2 or the hemispherical bulge 5 provided.
Zur Beheizung der Lötstelle wird -in dem. Silberband eine Querschnittsverminderung durch P.,nbringung eines Loches 7 vorgesehen. Dabei ist der Abstand von Mitte Loch 7 bis Mitte der Abknickung 2 oder der halbkugelförmigen Ausbuchtung 5 maßgebend für die Trägheit des Schmelzleiters; je kleiner der Abstand, desto kleiner die Trägheit, je größer der Abstand, desto, größer die Trägheit.To heat the solder joint is -in the. Silver ribbon a reduction in cross section by P., a hole 7 provided. Where is the distance from the center of the hole 7 to the middle of the bend 2 or the hemispherical bulge 5 is decisive for the inertia of the fuse element; the smaller the distance, the smaller the inertia, the greater the distance, the greater the inertia.
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW100019D DE668586C (en) | Fusible conductor for overcurrent carriers fuse cartridges |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEW100019D DE668586C (en) | Fusible conductor for overcurrent carriers fuse cartridges |
Publications (1)
Publication Number | Publication Date |
---|---|
DE668586C true DE668586C (en) | 1938-12-06 |
Family
ID=7615280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DEW100019D Expired DE668586C (en) | Fusible conductor for overcurrent carriers fuse cartridges |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE668586C (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1131787B (en) * | 1953-10-12 | 1962-06-20 | Siemens Ag | Overcurrent carrier or fast fuse link |
EP0935273A2 (en) * | 1998-02-04 | 1999-08-11 | Lindner GmbH | Fuse link for cartridge fuse |
DE19837337A1 (en) * | 1998-08-18 | 2000-02-24 | Efen Elektrotech Fab | Fuse link with exothermal reaction is formed by local addition of composition reacting at temperature lower than melting point of fusible metal, for more rapid interruption of excessive current |
WO2001086684A1 (en) * | 2000-05-08 | 2001-11-15 | Abb Research Ltd | Fusible element, method for production thereof, safety circuit and fuse |
-
0
- DE DEW100019D patent/DE668586C/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1131787B (en) * | 1953-10-12 | 1962-06-20 | Siemens Ag | Overcurrent carrier or fast fuse link |
EP0935273A2 (en) * | 1998-02-04 | 1999-08-11 | Lindner GmbH | Fuse link for cartridge fuse |
EP0935273A3 (en) * | 1998-02-04 | 2000-03-22 | Lindner GmbH | Fuse link for cartridge fuse |
US6075434A (en) * | 1998-02-04 | 2000-06-13 | Ferraz S.A. | Fusible element for an electrical fuse |
DE19837337A1 (en) * | 1998-08-18 | 2000-02-24 | Efen Elektrotech Fab | Fuse link with exothermal reaction is formed by local addition of composition reacting at temperature lower than melting point of fusible metal, for more rapid interruption of excessive current |
WO2001086684A1 (en) * | 2000-05-08 | 2001-11-15 | Abb Research Ltd | Fusible element, method for production thereof, safety circuit and fuse |
US6791448B2 (en) | 2000-05-08 | 2004-09-14 | Abb Research Ltd | Fusible element, method for production thereof, safety circuit and fuse |
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