DE9204401U1 - NH fuse - Google Patents
NH fuseInfo
- Publication number
- DE9204401U1 DE9204401U1 DE9204401U DE9204401U DE9204401U1 DE 9204401 U1 DE9204401 U1 DE 9204401U1 DE 9204401 U DE9204401 U DE 9204401U DE 9204401 U DE9204401 U DE 9204401U DE 9204401 U1 DE9204401 U1 DE 9204401U1
- Authority
- DE
- Germany
- Prior art keywords
- fuse
- switch cover
- locking element
- locking
- designed
- 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 - Lifetime
Links
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000005405 multipole Effects 0.000 claims 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/12—Adaptation for built-in fuse
- H01H31/122—Fuses mounted on, or constituting the movable contact parts of, the switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/50—Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
Landscapes
- Fuses (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
PAT27-01PAT27-01
CHRISTIAN GEYER GMBH & CO.
Nimrodstr. 10-18
3500 Nürnberg 70CHRISTIAN GEYER GMBH & CO.
Nimrodstr. 10-18
3500 Nuremberg 70
NH-SicherungNH fuse
Die Neuerung betrifft eine NH-Sicherung gemäß dem Oberbegriff des Schut&zgr;anspruches 1.The innovation concerns an NH fuse according to the generic term of protection claim 1.
Der schwenkbar gelagerte Schaltdeckel der NH-Sicherung dient als Werkzeug zum Einsetzen und Herausnehmen eines NH-Sicherungseinsatzes oder Trennmessers und bildet zusammen mit dem Oberteil die Berührschutzabdeckung für die unter Spannung stehenden Teile der NH-Sicherung.The pivoting switch cover of the NH fuse serves as a tool for inserting and removing an NH fuse link or isolating blade and, together with the upper part, forms the contact protection cover for the live parts of the NH fuse.
Bei Anwendung der NH-Sicherung in trafonahen Verteileranlagen des Niederspannungsnetzes, z.B. in Form einer NH-Sicherungsleiste in Kabelverteilerschränken, treten aufgrund der geringen Impedanz der Zuleitung sehr hohe Kursschlußströme auf, deren dynamische Kräfte das Herausschleudern der NH-Sicherungseinsätze bzw. Trennmesser zur Folge hat, da die Kontaktkräfte derWhen using the NH fuse in transformer-near distribution systems of the low-voltage network, e.g. in the form of an NH fuse strip in cable distribution cabinets, very high short-circuit currents occur due to the low impedance of the supply line, the dynamic forces of which result in the NH fuse inserts or isolating blades being thrown out, since the contact forces of the
CHRISTIAN GEYER GMBH & CO., .;; .·% PAT27-01CHRISTIAN GEYER GMBH & CO., .;; .·% PAT27-01
Kontaktfedern, die auf die Messerkontaktstücke des eingesetzten NH-Sicherungseinsatzes bzw. des Trennmessers wirken, alleine nicht ausreichen, um dies zu verhindern.Contact springs acting on the blade contact pieces of the NH fuse link or the isolating blade are not sufficient on their own to prevent this.
Aufgabe der Neuerung ist, die NH-Sicherung mit einer auch nachträglich anbringbaren Verriegelung auszustatten, die die im Kurzschlußfalle auftretenden Kräfte egalisiert.The aim of the innovation is to equip the NH fuse with a locking mechanism that can also be retrofitted and that equalizes the forces that occur in the event of a short circuit.
Diese Aufgabe wird neuerungsgemäß durch den kennzeichnenden Teil des Schutzanspruches 1 gelöst. Vorteilhafte Ausgestaltungen der Neuerung sind Gegenstand der Unteransprüche.This problem is solved according to the innovation by the characterizing part of claim 1. Advantageous embodiments of the innovation are the subject of the subclaims.
Ein Ausführungsbeispiel der Neuerung wird anhand der Zeichnungen erläutert.An example of the innovation is explained using the drawings.
Es zeigt:It shows:
Fig. 1 in perspektivischer Darstellung das aus einer NH-Sicherungsleiste herausgebrochene NH-Sicherungsunterteil mit dem in die Freigabestellung verschwenkten Drehriegel,Fig. 1 shows a perspective view of the NH fuse base broken out of an NH fuse strip with the rotary latch pivoted into the release position,
Fig. 2 in perspektivischer Darstellung das aus einer NH-Sicherungsleiste herausgebrochene NH-Sicherungsunterteil mit dem in die Sperrstellung verschwenkten Drehriegel,Fig. 2 shows a perspective view of the NH fuse base broken out of an NH fuse strip with the rotary latch pivoted into the locking position,
Fig. 3 einen Längsschnitt durch den dem Schwenklager gegenüberliegend abgebrochenen Teil des Schaltdeckels, dessen Griffbügel mit einer verschiebbaren Verriegelungseinrichtung bestückt ist.Fig. 3 a longitudinal section through the part of the switch cover broken off opposite the pivot bearing, the handle of which is equipped with a sliding locking device.
CHRISTIAN GEYER GMBH & COv ■ -* - &Rgr;&Agr;&Tgr;27-01CHRISTIAN GEYER GMBH & COv ■ -* - &Rgr;&Agr;&Tgr;27-01
-■ '"a rc: +-■ '"a rc: +
Das Oberteil 2 der NH-Sicherung ist an der dem Schwenklager des Schaltdeckels gegenüberliegenden Seite mit einem Verriegelungselement 4 in Form eines Drehriegels 4A bestückt, der für die Anwendung der Schaltleiste in trafonahen Verteileranlagen auch nachträglich anbringbar ist. Der Drehriegel 4A übergreift in der Sperrstellung mit dem Riegelarm 4Al den Schaltdeckel 3.The upper part 2 of the NH fuse is fitted with a locking element 4 in the form of a rotary latch 4A on the side opposite the swivel bearing of the switch cover, which can also be retrofitted for the use of the switch strip in distribution systems close to the transformer. In the locked position, the rotary latch 4A overlaps the switch cover 3 with the latch arm 4Al.
Anstelle des Drehriegels 4A kann auch ein Schieberiegel 4B als Verriegelungselement 4 verwendet werden, der vorteilhaft zur einfacheren Handhabung am Griffbügel 3A gelagert ist und mit seiner Riegelzunge 4Bl in das am Oberteil 2 angeformte Widerlager 2A greift.Instead of the rotary latch 4A, a sliding latch 4B can also be used as the locking element 4, which is advantageously mounted on the handle bar 3A for easier handling and which engages with its latch tongue 4B1 in the abutment 2A formed on the upper part 2.
Claims (5)
dadurch gekennzeichnet,2. NH fuse according to claim 1,
characterized,
daduch gekennzeichnet,3. NH fuse according to claim 1,
characterized by
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9204401U DE9204401U1 (en) | 1992-04-01 | 1992-04-01 | NH fuse |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9204401U DE9204401U1 (en) | 1992-04-01 | 1992-04-01 | NH fuse |
Publications (1)
Publication Number | Publication Date |
---|---|
DE9204401U1 true DE9204401U1 (en) | 1992-05-21 |
Family
ID=6877961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE9204401U Expired - Lifetime DE9204401U1 (en) | 1992-04-01 | 1992-04-01 | NH fuse |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE9204401U1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4419240A1 (en) * | 1993-06-07 | 1995-01-19 | Weber Ag | Single-pole or multi-pole NC fuse (low voltage high rupture capacity fuse) |
EP1585156A2 (en) * | 2004-04-09 | 2005-10-12 | Apator S.A. | Electric switching device |
DE102005032210B4 (en) * | 2004-07-23 | 2020-11-05 | Ford Global Technologies, Llc | Isolating device for a circuit |
-
1992
- 1992-04-01 DE DE9204401U patent/DE9204401U1/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4419240A1 (en) * | 1993-06-07 | 1995-01-19 | Weber Ag | Single-pole or multi-pole NC fuse (low voltage high rupture capacity fuse) |
EP1585156A2 (en) * | 2004-04-09 | 2005-10-12 | Apator S.A. | Electric switching device |
EP1585156A3 (en) * | 2004-04-09 | 2006-03-22 | Apator S.A. | Electric switching device |
DE102005032210B4 (en) * | 2004-07-23 | 2020-11-05 | Ford Global Technologies, Llc | Isolating device for a circuit |
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