DE335015C - Maximum time release with short-circuit release - Google Patents
Maximum time release with short-circuit releaseInfo
- Publication number
- DE335015C DE335015C DENDAT335015D DE335015DD DE335015C DE 335015 C DE335015 C DE 335015C DE NDAT335015 D DENDAT335015 D DE NDAT335015D DE 335015D D DE335015D D DE 335015DD DE 335015 C DE335015 C DE 335015C
- Authority
- DE
- Germany
- Prior art keywords
- short
- circuit
- release
- maximum time
- armature
- 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
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/44—Automatic release mechanisms with or without manual release having means for introducing a predetermined time delay
Landscapes
- Breakers (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
Die Erfindung· bezieht sich auf Maximalzeitauslöser. Die bekannten Auslöser dieser Art werden bezüglich der Zeitauslösung sowohl abhängig, als auch unabhängig vom Strom ausgeführt. Bekannt sind ferner auch Zeitauslöser solcher Art, die mit Kurzschlußauslösung versehen sind. Gemäß der Erfindung* ist nun der Kurzschlußanker eines derartigen Maximalzeitauslösers mit einem Zeitgesperre versehen, das lediglich das Abklingen des Kurzschlußstromes berücksichtigt. Bekanntlich fällt bei einem Kurzschluß oder ähnlichen sehr starken Überlastungen der erste Stromstoß im Verlaufe von ι bis 2 Sekünden ganz bedeutend ab. Infolgedessen wird durch den Erfindungsgegenstand nicht der volle Kurzschlußstrom, sondern nur der abgeklungene Kurzschlußstrom unterbrochen, wodurch der ölschalter ganz wesentlich günstiger beansprucht wird.The invention relates to maximum time triggers. The known triggers of this type are both dependent on and independent of the time release Current running. Time triggers of this type are also known, those with short-circuit tripping are provided. According to the invention *, the short-circuit armature is one such Maximum time release provided with a time lock, which only decays the short-circuit current taken into account. It is well known that in the event of a short circuit or similar very strong overloads the first current surge in the course of ι to 2 seconds quite significantly. As a result, the subject matter of the invention does not the full short-circuit current, but only the decayed short-circuit current interrupted, whereby the oil switch is stressed much more favorably.
Die Zeichnung veranschaulicht ein Ausführungsbeispiel, α ist ein Magnetkern und b der zugehörige Anker, c ist ein an dem Anker befestigter Anschlagbügel, der beim Anas sprechen des Ankers die Klinkenbetätigungsstange d des Schalters auslöst, e ist eine starke Verbindungsfeder zwischen demHauptrad des Hemmwerkes f und dem Anker b. g ist die Sperrnase der Klinket, i ist ein Anschlagstift auf dem Hauptantriebsrad des Laufwerkes. Die Kurzschlußankerhemmung besteht aus dem Pendel I und dem Anker k sowie dem Zahnstück m. η ist die ■Federeinstellung des Maximalstromes.The drawing illustrates an embodiment, α is a magnetic core and b is the associated armature, c is a stop bracket attached to the armature, which triggers the pawl actuating rod d of the switch when the armature speaks, e is a strong connecting spring between the main wheel of the escapement f and the Anchor b. g is the locking nose of the latch, i is a stop pin on the main drive wheel of the drive. The short-circuit armature escapement consists of the pendulum I and the armature k as well as the toothed piece m. Η is the ■ spring setting of the maximum current.
Die Wirkung ist folgende: Bei mäßiger Überlastung wirkt die Feder e nicht direkt, sondern der Anker b zieht gleichmäßig beschleunigt das Hauptrad des Hemmwerkes durch die Feder e so lange an, bis der Stift i die Klinke h ausstößt. Dabei macht das Kurzschlußpendel I langsam die Schwingungsbewegung mit. Tritt jedoch ein sehr starker Überstrom oder ein Kurzschluß ein, so wird die Feder e wirksam, so daß der Anker b nur durch ein paar Schwingungen des Kurzschlußhemmwerkes Tz1 I1 m gedämpft wird. Infolgedessen löst die Stange d den Schalter schon nach kürzester Zeit, z. B. 1 bis 2 Sekunden, aus.The effect is as follows: With moderate overload, the spring e does not act directly, but the armature b pulls the main wheel of the escapement evenly accelerated by the spring e until the pin i pushes out the pawl h. The short-circuit pendulum I slowly follows the oscillating movement. However, if a very strong overcurrent or a short circuit occurs, the spring e becomes effective, so that the armature b is damped only by a few oscillations of the short circuit inhibitor Tz 1 I 1 m. As a result, the rod d releases the switch after a very short time, z. B. 1 to 2 seconds.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE335015T |
Publications (1)
Publication Number | Publication Date |
---|---|
DE335015C true DE335015C (en) | 1921-03-26 |
Family
ID=6218844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT335015D Expired DE335015C (en) | Maximum time release with short-circuit release |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE335015C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2590634A (en) * | 1944-06-09 | 1952-03-25 | Westinghouse Electric Corp | Circuit breaker |
WO2005008704A1 (en) * | 2003-07-17 | 2005-01-27 | Moeller Gebäudeautomation KG | Safety switch |
-
0
- DE DENDAT335015D patent/DE335015C/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2590634A (en) * | 1944-06-09 | 1952-03-25 | Westinghouse Electric Corp | Circuit breaker |
WO2005008704A1 (en) * | 2003-07-17 | 2005-01-27 | Moeller Gebäudeautomation KG | Safety switch |
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