DE204926C - - Google Patents
Info
- Publication number
- DE204926C DE204926C DENDAT204926D DE204926DA DE204926C DE 204926 C DE204926 C DE 204926C DE NDAT204926 D DENDAT204926 D DE NDAT204926D DE 204926D A DE204926D A DE 204926DA DE 204926 C DE204926 C DE 204926C
- Authority
- DE
- Germany
- Prior art keywords
- switch
- current
- movable
- overcurrent
- handle
- 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.)
- Active
Links
- 230000001808 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 1
- 230000000903 blocking Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001960 triggered Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/36—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release
- H01H73/38—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism having electromagnetic release and no other automatic release reset by lever
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
PATENTSCHRIFTPATENT LETTERING
-' M 204926 KLASSE 21c. GRUPPE- ' M 204926 CLASS 21c. GROUP
Den Gegenstand vorliegender Erfindung bildet eine Auslösung für Selbstschalter, bei welcher es unmöglich ist, den Schalter in eingeschalteter Stellung festzuhalten, wenn der Einschaltstrom infolge eines Fehlers an den Stromverbrauchern die zulässige Zeit und Höhe überschreitet. The subject of the present invention forms a trip for self-switch, in which it is impossible to keep the switch in the on position when the inrush current exceeds the allowable time and amount as a result of a fault in the electricity consumers.
Zu diesem Zweck schaltete man früher zwei Schalter, einen Selbstschalter und einen gewohnlichen Schalter, in Reihe. Zuerst wurde der Selbstschalter geschlossen und darauf der Handschalter. War Überstrom vorhanden, so unterbrach im Augenblick des Einschaltens des Handschalters der Selbstschalter den Stromkreis. Es wurde bereits vorgeschlagen, beide Schalter in der Weise in einem zu vereinigen, daß die zur Kupplung der Stromschlußstücke und des Handgriffes notwendigen Konstruktionsteile durch einen vom Überstrom beein-Süßten Magneten ausgelöst werden. In diesem Falle muß die Magnetkraft erhebliche Reibungskräfte überwinden, da die Kupplungsglieder des Handhebels und des Schaltmessers gerade im Augenblicke des Stromschlusses stark aufeinandergepreßt werden. Infolgedessen ist die Betriebssicherheit nicht immer die erwünschte. .In the past, two switches were used for this purpose, an automatic switch and an ordinary one Switch, in series. First the auto switch was closed and then the Hand switch. If there was overcurrent, it was interrupted at the moment it was switched on the hand switch the self switch the circuit. It has already been suggested both Combine switch in such a way that the coupling of the current connectors and the necessary construction parts of the handle by an overcurrent-affected Magnets are triggered. In this case, the magnetic force must have considerable frictional forces Overcome, because the coupling links of the hand lever and the switch blade just at the moment of the power supply are strongly pressed together. As a result, operational reliability is not always desirable. .
Gemäß der Erfindung ist die Anordnung nun so getroffen, daß bei jedesmaligem Einschalten die Verklinkung des Handgriffes mit den Stromschlußstücken auf rein mechanischem Wege aufgehoben wird, und daß nur für den Fall, daß kein Überstrom beim Einschalten besteht, eine mit den Stromschlußstücken fest verbundene Sperrnase hinter eine Sperrklinke faßt, so daß trotz Lösung der Kupplung zwischen Stromschlußstück und Handgriff der Schalter nicht ausschaltet. Besteht jedoch Überstrom, so wird die Sperrklinke gehoben und der Schalter kann unbehindert ausschalten.According to the invention, the arrangement is made so that each time it is switched on the latching of the handle with the current connection pieces on a purely mechanical basis Ways is canceled, and that only in the event that there is no overcurrent when switching on exists, a locking lug firmly connected to the power connectors behind a pawl grasps, so that despite the solution The coupling between the current connector and the handle of the switch does not switch off. Consists however, overcurrent, the pawl is lifted and the switch can be unobstructed switch off.
Die Fig. 1 und 2 zeigen diese Anordnung schematisch. Wird der Handgriff 1 aus der Ausschaltstellung (Fig. 1) in die Einschaltstellung (Fig. 2) gebracht, so stößt der drehbare Winkelhebel 2 an der Kurbel 3, welche mit dem Handgriff 1 fest verbunden ist, gegen den festen Anschlag 5. Handgriff 1 mit Kurbel 3 sind auf Welle 4 gelagert. Fest auf der Welle sitzt das Messer 6 mit der Sperrnase 7. Während des Einschaltens greift das Klinkenende des Winkelhebels 2 zunächst in die Sperrnase 7 und kommt dann durch den Anschlag 5 außer Eingriff, so daß Handgriff ι und Messer 6 entkuppelt werden und letzteres durch die Federkraft in die Ausschaltstellung zurückzugehen bestrebt ist. Hieran wird es aber, solange kein Überstrom besteht und der Auslösemagnet 8 die Sperrklinke 9 nicht lüftet, durch letztere gehindert, welche sich bei' normalen Stromverhältnissen unter die Sperrnase 7 legt, so daß der Schalter eingeschaltet bleibt. Im Falle von Überstrom tritt die Sperrung nicht ein, da Klinke 91 and 2 show this arrangement schematically. If the handle 1 from the Switch-off position (Fig. 1) brought into the switch-on position (Fig. 2), so the rotatable pushes Angle lever 2 on the crank 3, which is firmly connected to the handle 1, against the fixed stop 5. Handle 1 with crank 3 are mounted on shaft 4. Fixed the knife 6 with the locking lug 7 is seated on the shaft the pawl end of the angle lever 2 first into the locking lug 7 and then comes through the stop 5 out of engagement so that handle ι and knife 6 are uncoupled and the latter endeavors to return to the switch-off position by the spring force. However, this will be the case as long as there is no overcurrent and the release magnet 8 is the pawl 9 does not ventilate, hindered by the latter, which occurs under normal current conditions puts under the locking lug 7 so that the switch remains on. In case of overcurrent the blocking does not occur because latch 9
durch den Magneten 8 gehoben wird, so daß das Messer 6 in die Ausschaltstellung zurückschnellen muß.is lifted by the magnet 8, so that the knife 6 snap back into the switched-off position got to.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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DE204926C true DE204926C (en) |
Family
ID=467210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT204926D Active DE204926C (en) |
Country Status (1)
Country | Link |
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DE (1) | DE204926C (en) |
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0
- DE DENDAT204926D patent/DE204926C/de active Active
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