DE854820C - Fusible link for electrical fuses - Google Patents

Fusible link for electrical fuses

Info

Publication number
DE854820C
DE854820C DEV3687A DEV0003687A DE854820C DE 854820 C DE854820 C DE 854820C DE V3687 A DEV3687 A DE V3687A DE V0003687 A DEV0003687 A DE V0003687A DE 854820 C DE854820 C DE 854820C
Authority
DE
Germany
Prior art keywords
fusible link
electrical fuses
fusible
glass tube
tube
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
DEV3687A
Other languages
German (de)
Inventor
Theodor Burkard
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.)
Voigt and Haeffner AG
Original Assignee
Voigt and Haeffner 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 Voigt and Haeffner AG filed Critical Voigt and Haeffner AG
Priority to DEV3687A priority Critical patent/DE854820C/en
Application granted granted Critical
Publication of DE854820C publication Critical patent/DE854820C/en
Expired legal-status Critical Current

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
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/044—General constructions or structure of low voltage fuses, i.e. below 1000 V, or of fuses where the applicable voltage is not specified

Landscapes

  • Fuses (AREA)

Description

Bekannt sind träge. Sicherungen, deren Schmelzleiter innerhalb eines Schutzröhrchens aus Keramik, Glas oder einem ähnlichen Werkstoff angeordnet ist. Bei der älteren Ausführung dieses Schutzröhrchens sind Metallklappen vorgesehen, was sich als nachteilig erwiesen hat, weil bei einem etwaigen Kurzschluß zunächst durch den entstehenden Lichtbogen die Metallteile zerstört werden, wodurch eine unerwünschte Verzögerung der Abschaltung eintritt.Known are sluggish. Fuses whose fusible link is within a Protective tube made of ceramic, glass or a similar material is arranged. In the older version of this protective tube, metal flaps are provided, which has proven to be disadvantageous because initially in the event of a short circuit the metal parts are destroyed by the resulting arc, whereby a unwanted shutdown delay occurs.

Um diesen Nachteil zu vermeiden, ist gemäß der Erfindung der Schmelzleiter mit seinem schützenden Glasrohr ausschließlich durch eine plastische Verformung des letzteren mit dem Schmelzleiter verbunden. Diese Art der Verbindung des Schmelzleiters mit seinem Schutzrohr bringt den weiteren Vorteil, daß der Sicherungseinsatz einfacher und billiger hergestellt werden kann, was darauf zurückzuführen ist, daß Glas schon bei verhältnismäßig niederen Temperaturen plastisch verformbar ist. Ferner wird eine wenn auch nur geringfügige Einsparung an Material durch den Fortfall der Metallkappen der älteren Anordnung erzielt. Von Bedeutung ist ferner, daß bei dem Einsatz gemäß der Erfindung bei einem Kurzschluß der Lichtbogen sofort aus dem Glasröhrchen austritt und die zum Erlöschen erforderliche Länge erreicht.In order to avoid this disadvantage, the fusible conductor is according to the invention with its protective glass tube exclusively through plastic deformation of the latter connected to the fusible link. This type of connection of the fuse element with its protective tube has the further advantage that the fuse link is simpler and can be produced more cheaply, which is due to the fact that glass already does is plastically deformable at relatively low temperatures. Furthermore, even if only a slight saving in material due to the omission of the metal caps the older arrangement achieved. It is also important that when used in accordance with According to the invention, in the event of a short circuit, the arc immediately emerges from the glass tube and reached the length required for extinction.

Der Erfindungsgegenstand ist in der Zeichnung dargestellt. Mit i ist der Schmelzleiter bezeichnet, auf dem das Glasröhrchen 2 angeordnet ist. Die Verbindung zwischen Schmelzleiter und dein schützenden Glasrohr kann dadurch hergestellt werden, daß der Schmelzleiter in das Glasrohr eingeschmolzen wird. Es ist aber auch möglich, zunächst das Glasrohr auf den Schmelzleiter aufzubringen und die Enden des Röhrchens zu erwärmen und im Zustand des teigigen Fließens des Glases dieses mit dem Schmelzleiter durch Ausüben eines Anpressungsdruckes mit dem Schmelzleiter zu vereinen.The subject of the invention is shown in the drawing. With i is denotes the fusible conductor on which the glass tube 2 is arranged. The connection between the fusible link and your protective glass tube can be made that the fusible conductor is melted into the glass tube. But it is also possible first attach the glass tube to the fusible conductor and the ends of the tube to heat and in the state of the doughy flow of the glass this with the fusible link to unite by exerting a contact pressure with the fusible link.

Claims (1)

PATENTANSPRUCH: Schmelzeinsatz für elektrische Sicherungen, deren Schmelzleiter von einem Glasrohr eingeschlossen ist, dadurch gekennzeichnet, daß das schützende Glasrohr ausschließlich durch plastische Verformung mit dem Schmelzleiter verbunden ist.PATENT CLAIM: Fusible link for electrical fuses, their Fusible conductor is enclosed by a glass tube, characterized in that the protective glass tube exclusively through plastic deformation with the fusible conductor connected is.
DEV3687A 1951-08-29 1951-08-29 Fusible link for electrical fuses Expired DE854820C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEV3687A DE854820C (en) 1951-08-29 1951-08-29 Fusible link for electrical fuses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV3687A DE854820C (en) 1951-08-29 1951-08-29 Fusible link for electrical fuses

Publications (1)

Publication Number Publication Date
DE854820C true DE854820C (en) 1952-11-06

Family

ID=7570572

Family Applications (1)

Application Number Title Priority Date Filing Date
DEV3687A Expired DE854820C (en) 1951-08-29 1951-08-29 Fusible link for electrical fuses

Country Status (1)

Country Link
DE (1) DE854820C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3217417A1 (en) * 2016-03-07 2017-09-13 Siemens Aktiengesellschaft Subsea fuse device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3217417A1 (en) * 2016-03-07 2017-09-13 Siemens Aktiengesellschaft Subsea fuse device
WO2017153097A1 (en) * 2016-03-07 2017-09-14 Siemens Aktiengesellschaft Subsea fuse device

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