EP1019928B1 - Remote-controlled mechanism with a motor, for a circuit breaker - Google Patents

Remote-controlled mechanism with a motor, for a circuit breaker Download PDF

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Publication number
EP1019928B1
EP1019928B1 EP98954233A EP98954233A EP1019928B1 EP 1019928 B1 EP1019928 B1 EP 1019928B1 EP 98954233 A EP98954233 A EP 98954233A EP 98954233 A EP98954233 A EP 98954233A EP 1019928 B1 EP1019928 B1 EP 1019928B1
Authority
EP
European Patent Office
Prior art keywords
motor drive
gearwheel
spring
lever
circuit breaker
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
Application number
EP98954233A
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German (de)
French (fr)
Other versions
EP1019928A1 (en
Inventor
Guntram Becker
Rolf Weinhold
Hagen Trinks
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Siemens AG
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Siemens AG
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Filing date
Publication date
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Publication of EP1019928A1 publication Critical patent/EP1019928A1/en
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Publication of EP1019928B1 publication Critical patent/EP1019928B1/en
Anticipated expiration legal-status Critical
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    • 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
    • H01H71/66—Power reset mechanisms
    • H01H71/70—Power reset mechanisms actuated by electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/0006—Apparatus or processes specially adapted for the manufacture of electric switches for converting electric switches

Definitions

  • the invention relates to a motor drive with gear transmission and snap-on for circuit breakers, where the motor drive is a geared motor and the driving force transmitting carrier, the rotary knob overlaps.
  • the coupling of the drive to the Circuit breaker is over the toggle or the key switch possible.
  • actuation current should be kept as small as possible. This causes an actuation to appear via the switching magnet or as in EP 0 506 066 B1 release of a latch by means of a release magnet disadvantageous. Manual operation must be possible at any time his.
  • the invention is based on the object of a motor drive for circuit breakers, so that it can be trained for different Sizes with different switching characteristics taking into account the necessary security measures with minimal power consumption and simple Structure can be applied.
  • This task is driven by a motor according to the Invention according to the preamble of claim 1 with the Features solved according to claim 1.
  • the Driver 4 of the drive block 17 or 18 engages around the gag 2 of the circuit breaker 3 and has for manual operation and for switching position display a similar knob 25 with a Locking mechanism 23 (lockable). Both control knobs 2.25 are rigidly coupled to each other in the direction of rotation.
  • the operating knob 2 of the circuit breaker 3 with Internal jump engagement is via the output gear 1 a loose and springy coupling into the desired one Switching direction turned ON or OFF.
  • This circuit breaker e.g. reaches its switch-on jump point in the ON direction, he can switch on unhindered.
  • the motor drive continues in this direction itself until the jump system 13 of the motor drive (FIG 5), actuated by approaches 11 on Output gear 1, the direction of rotation of the flap 12 changes.
  • the drivers 47 in FIG 2 work resiliently against the driver 4 and thus against the gag 2.
  • the input or Switch-off position is reached safely. This is one Free tripping of circuit breaker 3 is all the more important because secure relinking requires this.
  • the circuit breaker 3 without snap-on (FIG 2, 4) is operated similarly, but is switched on with the help a preloaded spring and a pawl system (FIG 8).
  • a preloaded spring and a pawl system (FIG 8).
  • the torsion spring 5 then takes over the resilient overrun for switching over the jumping system according to FIG. 5. After the switching over, the system moves back into the starting position.
  • M torsion spring > M circuit breaker This makes it possible to adjust the moments via the spring.
  • the gag can 25 of the motor drive can be switched over by hand at any time.
  • the motor drive is then automatically tracked and so that the condition is dominant OFF. Is achieved by the limit switch 53, which is caused by the deformation 52 of the Reset lever 49 is operated and parallel to the ON button is switched.
  • the limit switch 53 which is caused by the deformation 52 of the Reset lever 49 is operated and parallel to the ON button is switched.
  • the motor drive also contains a button 24 with a screw 51 for resetting the alarm switch 50 for short-circuit tripping. In the delivery state it takes place when switching off or executing the RESET function after the circuit breaker has tripped 3 this reset automatically. If this is the user does not wish, he can by removing the screw 51 in the Reset button 24 deactivate this automatic function.
  • the electronic control of the process is on a circuit board 56, which is fastened between the boards 20, 21, accommodated.
  • the circuit breaker 3 is screwed onto a frame 19 (FIG 7).
  • the individual parts of the drive blocks 17, 18 are mounted between and on the boards 20, 21 and are placed on the toggle 2 of the circuit breaker 3, with the Frame 19 screwed and covered with a cap 39.
  • the Remote drive is connected to the supply voltages via a connector and the command devices for actuation are connected.
  • the basic structure is the same, replacing or eliminating fewer parts results in different parts Drive blocks.
  • 1 shows the top view a drive block with jump function.
  • the gear coupling 1, 27, 31 with the geared motor 15 (FIGS. 3 to 5 and 7) can be seen.
  • the lateral basic structure is shown in FIG 8.
  • the driver 4 can be seen, the bearing axis from Output gear 1, support lever 8 and toggle 25 serves and between the boards 20,21 is mounted.
  • the latching system is by torsion spring 5, pin 7 on Output gear 1 and half shaft 44 formed, the torsion spring 5 is mounted preloaded on the output gear 1 and is supported on the pin 7.
  • FIG. 2 shows the top view of a drive block 17 without Jump engagement, with respect to the drive block 18, Torsion spring 5, support lever 8 and half shaft 44 are omitted and one resilient driver 47 is added.
  • 3 and 4 is the structure of the drive blocks 17 and 18 shown.
  • the motor drive is supplemented by a swivel system with the parts 26,28,29,30,32,33 for mechanical decoupling of the gears and electrical isolation in manual mode, one Jump system 12, 13 (FIG. 5) for switching the motor (reversing operation) and a locking system 23 (FIG 6).
  • a swivel system and the locking system 23 with each other coupled, in which a closure of the toggle 25 only in the OFF position of the circuit breaker 3 with mechanical and electrical isolation of the motor drive is possible.
  • the cap 39 with its hook 43 (FIG. 7) is included connected to the bolt 38, 42. Removing the cap is only possible with mechanical and electrical separation of the device. This combination saves limit switches.

Landscapes

  • Breakers (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Trip Switchboards (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Description

Die Erfindung betrifft einen Motorantrieb mit Zahnradübersetzung und Sprungeinschaltung für Leistungsschalter, wobei der Motorantrieb einen Getriebemotor und eine die Antriebskraft übertragenden Mitnehmer aufweist, der den Drehknebel übergreift. Die Ankopplung des Antriebes an den Leistungsschalter ist über den Knebel oder das Schaltschloß möglich.The invention relates to a motor drive with gear transmission and snap-on for circuit breakers, where the motor drive is a geared motor and the driving force transmitting carrier, the rotary knob overlaps. The coupling of the drive to the Circuit breaker is over the toggle or the key switch possible.

Um optimale Geräte zu erhalten und möglichst schmal zu bauen, ist eine Ankopplung am Knebel sinnvoll. Dabei sind Motorantriebe bekannt, die eine Sprungeinschaltung des Leistungsschalters bewirken. Diese sind u.a. in den Druckschriften FR 24 76 896 , EP 0 034 966 A1, EP 0 150 756 A2 und EP 0 506 066 B1 beschrieben. Diese Antriebe sind relativ aufwendig. Im Gegensatz dazu gibt es Motorantriebe einfacherer Bauart für Leistungsschalter, die selbst eine Sprungeinschaltung besitzen. In der Schrift DE 690 24 176 T2 wird ein derartiger Antrieb beschrieben. Diese sind für Leistungsschalter ohne Sprungmechanismus in der Regel ungeeignet, da die Schaltgeschwindigkeit zu klein ist. Die Fernantriebe werden größtenteils auf den Leistungsschalter aufgeschraubt und sind speziell für die Charakteristik des jeweiligen Schalters ausgelegt. Für eine Ansteuerung des Motorantriebes durch eine SPS sollte der Betätigungsstrom möglichst klein gehalten werden. Dadurch erscheint eine Betätigung über Schaltmagnet oder wie im EP 0 506 066 B1 Auslösung einer Verklinkung über Auslösemagnet nachteilig. Eine Handbetätigung muß jederzeit möglich sein.In order to obtain optimal devices and to build them as narrow as possible, it makes sense to connect it to the gag. There are motor drives known that a snap on the circuit breaker cause. These include in the publications FR 24 76 896, EP 0 034 966 A1, EP 0 150 756 A2 and EP 0 506 066 B1. These drives are relatively complex. In contrast, motor drives are simpler Design for circuit breakers that are themselves a snap-on have. One such is described in the document DE 690 24 176 T2 Drive described. These are for circuit breakers generally unsuitable without a jumping mechanism, since the Switching speed is too low. The remote drives are mostly screwed onto the circuit breaker and are specially designed for the characteristics of the respective switch. For a control of the motor drive by a PLC the actuation current should be kept as small as possible. This causes an actuation to appear via the switching magnet or as in EP 0 506 066 B1 release of a latch by means of a release magnet disadvantageous. Manual operation must be possible at any time his.

Der Erfindung liegt die Aufgabe zu Grunde, einen Motorantrieb für Leistungsschalter, so auszubilden, daß er für unterschiedliche Baugrößen mit unterschiedlichen Schaltcharakteristiken unter Berücksichtigung der erforderlichen Sicherheitsmaßnahmen bei minimaler Stromaufnahme und einfachem Aufbau angewendet werden kann.The invention is based on the object of a motor drive for circuit breakers, so that it can be trained for different Sizes with different switching characteristics taking into account the necessary security measures with minimal power consumption and simple Structure can be applied.

Diese Aufgabe wird bei einem Motor antrieb gemäß der Erfindung nach dem Oberbegriff des Anspruchs 1 mit den Merkmalen nach Anspruch 1 gelöst.This task is driven by a motor according to the Invention according to the preamble of claim 1 with the Features solved according to claim 1.

Ein Vergleich zeigt folgendes Bild: Motorantrieb gemäß der Erfindung Herkömmliche Variante 1 Endschalter 1 Endschalter Kappe 1 Endschalter Verschließen 1 Endschalter elektrische Trennung bei mechanischer Trennung A comparison shows the following picture: Motor drive according to the invention Conventional variant 1 limit switch 1 limit switch cap 1 Close limit switch 1 limit switch electrical Mechanical separation separation

In FIG 7 ist der gesamte Motorantrieb mit Leistungsschalter 3 dargestellt.7 shows the entire motor drive with circuit breaker 3 shown.

Bevorzugte Ausführungsbeispiele der Erfindung sind in den Figuren 1 und 3 dargestellt. Antriebe ohne Sprungeinschaltung für sich stellen keine Ausführungsformen der Erfindung dar.

FIG 1
Draufsicht Antriebsblock mit Sprungeinschaltung obere Platine abgenommen
FIG 2
Draufsicht Antriebsblock ohne Sprungeinschaltung obere Platine abgenommen
FIG 3
Seitenansicht Antriebsblock mit Sprungeinschaltung
FIG 4
Seitenansicht Antriebsblock ohne Sprungeinschaltung
FIG 5
Unteransicht Antriebsblock mit und ohne Sprungein schaltung (Sprungsystem)
FIG 6
Draufsicht Antriebsblock mit oberer Platine (Verriegelungssystem)
FIG 7
Seitenansicht Antriebsblock mit Rahmen und Leistungsschalter
FIG 8
Seitenansicht Prinzip Sprungeinschaltung (Klinkensystem)
Preferred exemplary embodiments of the invention are shown in FIGS. 1 and 3. Drives without jump engagement by themselves are not embodiments of the invention.
FIG. 1
Top view of drive block with snap-on switch, upper board removed
FIG 2
Top view of drive block without jump switch, upper board removed
FIG 3
Side view of the drive block with jump engagement
FIG 4
Side view of drive block without jump engagement
FIG 5
Bottom view of drive block with and without jump engagement (jump system)
FIG 6
Top view of drive block with top board (locking system)
FIG 7
Side view of drive block with frame and circuit breaker
FIG 8
Side view, principle of switching on (jack system)

Anhand dieser Darstellungen wird der Funktionsablauf beschrieben.The functional sequence is described on the basis of these representations.

Ein Getriebemotor 15 auf dem Schwenkhebel 26 mit Zahnrad 27, der im Störungsfall für eine Handbetätigung mit dem Exzenter 34,35 aus dem Zahnradeingriff (Abstand a) ausgeschwenkt werden kann (FIG 1 und 2), treibt über ein Koppelzahnrad 31 ein Abtriebszahnrad 1 an, das auf einer Achse (Mitnehmer 4) mit dem zu schaltenden Leistungsschalter 3 (FIG 7) sitzt. Der Mitnehmer 4 des Antriebsblocks 17 oder 18 umgreift den Knebel 2 des Leistungsschalters 3 und hat für die Handbetätigung und zur Schaltstellungsanzeige einen ähnlichen Knebel 25 mit einem Verriegelungsmechanismus 23 (verschließbar). Beide Betätigungsknebel 2,25 sind in Drehrichtung starr miteinander gekoppelt. Der Betätigungsknebel 2 des Leistungsschalters 3 mit interner Sprungeinschaltung wird vom Abtriebszahnrad 1 über eine lose und federnde Kopplung in die jeweils gewünschte Schaltrichtung EIN oder AUS gedreht. Hat dieser Leistungsschalter z.B. in Richtung EIN seinen Einschaltsprungpunkt erreicht, kann er ungehindert einschalten. Der Motorantrieb fährt selbst in diese Richtung weiter, bis das Sprungsystem 13 des Motorantriebes (FIG 5), betätigt durch Ansätze 11 am Abtriebszahnrad 1, an Lasche 12 die Motordrehrichtung wechselt. Dabei arbeiten die Mitnehmer 47 in FIG 2 federnd gegen den Mitnehmer 4 und somit gegen den Knebel 2. Die Ein- bzw. Ausschaltstellung wird sicher erreicht. Dies ist bei einer Freiauslösung des Leistungsschalters 3 um so wichtiger, da die sichere Wiederverklinkung dies erfordert.A gear motor 15 on the swivel lever 26 with gear 27, that in the event of a fault for manual operation with the eccentric 34,35 can be swung out of the gear engagement (distance a) can (FIG 1 and 2), drives via a coupling gear 31 Output gear 1 on that on an axis (driver 4) with the circuit breaker 3 to be switched (FIG 7) is seated. The Driver 4 of the drive block 17 or 18 engages around the gag 2 of the circuit breaker 3 and has for manual operation and for switching position display a similar knob 25 with a Locking mechanism 23 (lockable). Both control knobs 2.25 are rigidly coupled to each other in the direction of rotation. The operating knob 2 of the circuit breaker 3 with Internal jump engagement is via the output gear 1 a loose and springy coupling into the desired one Switching direction turned ON or OFF. Has this circuit breaker e.g. reaches its switch-on jump point in the ON direction, he can switch on unhindered. The motor drive continues in this direction itself until the jump system 13 of the motor drive (FIG 5), actuated by approaches 11 on Output gear 1, the direction of rotation of the flap 12 changes. The drivers 47 in FIG 2 work resiliently against the driver 4 and thus against the gag 2. The input or Switch-off position is reached safely. This is one Free tripping of circuit breaker 3 is all the more important because secure relinking requires this.

Durch Umpolen des Motors 15 über die Endschalter 37 in FIG 4, 5,7 wird das Abtriebszahnrad 1 in die Ausgangsstellung zurückgeführt, so daß die Aussparung 55 wieder übereinanderstehen und die Stromeinstellung 54 des Leistungsschalters 3 (FIG 1, 2) sichtbar und bedienbar sowie eine Handschaltung möglich ist. Das Abschalten erfolgt über den Endschalter 16. By reversing the polarity of the motor 15 via the limit switches 37 in FIG. 4, 5,7, the driven gear 1 is returned to the starting position, so that the recess 55 are again one above the other and the current setting 54 of the circuit breaker 3 (FIG 1, 2) visible and operable as well as a manual control is possible. Switching off takes place via the limit switch 16.

Der Leistungsschalter 3 ohne Sprungeinschaltung (FIG 2, 4) wird ähnlich betätigt, doch erfolgt das Einschalten mit Hilfe einer vorgespannten Feder und eines Klinkensystems (FIG 8). Durch einfache und geringfügige Modifikation des Systems 18 in 17 wird die Anpassung an einen Leistungsschalter 3 ohne Sprungeinschaltung erreicht.The circuit breaker 3 without snap-on (FIG 2, 4) is operated similarly, but is switched on with the help a preloaded spring and a pawl system (FIG 8). By simple and minor modification of the system 18 in FIG. 17 the adaptation to a circuit breaker 3 without Jump activation reached.

Das Abtriebszahnrad 1 mit Drehfeder 5, 6 und Stützhebel 8 (FIG 1, 8) wird bis zur Verklinkungsstelle 9 gefahren. In diesem Punkt wird das Moment der Drehfeder 5 vom Zapfen 7 des Abtriebszahnrades 1 auf den Stützhebel 8 übertragen, die Feder wird durch den Getriebemotor weiter gespannt. Ein weiterer Zapfen 10 auf dem Abtriebszahnrad 1 löst in der weiteren Bewegung dieses Zahnrades 1 die Verklinkung, wobei dann das Moment der Feder 5 auf den Mitnehmer 4 übertragen wird und somit den Leistungsschalter 3 sprunghaft einschaltet.The output gear 1 with torsion spring 5, 6 and support lever 8 (FIG 1, 8) is driven to the latching point 9. In at this point the moment of the torsion spring 5 from the pin 7 of the Output gear 1 transferred to the support lever 8, the spring is further tensioned by the gear motor. Another Pin 10 on the output gear 1 triggers in the further Movement of this gear 1 the latch, which then Moment of the spring 5 is transmitted to the driver 4 and thus turns on the circuit breaker 3 by leaps and bounds.

Im weiteren Verlauf übernimmt dann die Drehfeder 5 den federnden Nachlauf zum Umschalten des Sprungsystems nach FIG 5. Nach dem Umschalten fährt das System wieder in die Ausgangsstellung zurück. Für die Drehfeder gilt:
   MDrehfeder > MLeistungsschalter
Somit ist eine Anpassung der Momente über die Feder möglich.In the further course, the torsion spring 5 then takes over the resilient overrun for switching over the jumping system according to FIG. 5. After the switching over, the system moves back into the starting position. The following applies to the torsion spring:
M torsion spring > M circuit breaker
This makes it possible to adjust the moments via the spring.

In der Ausgangsstellung, in die das Abtriebszahnrad 1 nach jeder Befehlsausführung zurückgeführt wird, kann der Knebel 25 des Motorantriebes jederzeit per Hand umgeschaltet werden. Dabei wird dann automatisch der Motorantrieb nachgeführt und damit die Bedingung dominierend AUS erfüllt. Erreicht wird das durch den Endschalter 53, der durch die Verformung 52 des Rückstellhebels 49 betätigt wird und parallel zum EIN-Taster geschalten ist. Im Störungsfall, d.h. bei Spannungsausfall während eines Schaltvorganges im Motorantrieb muß für eine Handbetätigung der Getriebemotor 15 mittels des in der Kappe 39 angeordneten Werkzeuges für die Betätigung des Umschaltbolzens 36 (FIG 7) in die Stellung "Manual" geschwenkt werden. Nur in dieser Stellung kann die Kappe 39 abgenommen werden und das Arretieren und Verschließen des Knebels, wie beschrieben, erfolgen. In the starting position, in which the output gear 1 after each time the command is executed, the gag can 25 of the motor drive can be switched over by hand at any time. The motor drive is then automatically tracked and so that the condition is dominant OFF. Is achieved by the limit switch 53, which is caused by the deformation 52 of the Reset lever 49 is operated and parallel to the ON button is switched. In the event of a fault, i.e. in the event of a power failure during a switching process in the motor drive must for a Manual operation of the geared motor 15 by means of the in the cap 39 arranged tool for the actuation of the switching pin 36 (FIG 7) can be pivoted into the "Manual" position. The cap 39 can only be removed in this position and locking and locking the gag, like described.

Der Motorantrieb enthält weiterhin eine Taste 24 mit Schraube 51 zum Rückstellen des Meldeschalters 50 für Kurzschlußauslösung. Im Lieferzustand erfolgt beim Ausschalten oder Ausführen der RESET-Funktion nach Auslösen des Leistungsschalters 3 dieses Rückstellen automatisch. Falls dies der Anwender nicht wünscht, kann er durch Entfernen der Schraube 51 in der Rückstelltaste 24 diese Automatik außer Funktion setzen. Die elektronische Steuerung des Ablaufes ist auf einer Leiterplatte 56, die zwischen den Platinen 20, 21 befestigt ist, untergebracht. Mit der Anordnung gemäß der Erfindung wurde eine Anpassung an verschiedene Leistungsschalter 3 mit unterschiedlichen Schaltcharakteristiken bei geringster Stromaufnahme erreicht. Das eingesetzte Sprungsystem arbeitet justagefrei.The motor drive also contains a button 24 with a screw 51 for resetting the alarm switch 50 for short-circuit tripping. In the delivery state it takes place when switching off or executing the RESET function after the circuit breaker has tripped 3 this reset automatically. If this is the user does not wish, he can by removing the screw 51 in the Reset button 24 deactivate this automatic function. The electronic control of the process is on a circuit board 56, which is fastened between the boards 20, 21, accommodated. With the arrangement according to the invention an adaptation to different circuit breakers 3 with different Switching characteristics with the lowest power consumption reached. The jump system used works without adjustment.

Der Leistungsschalter 3 wird auf einen Rahmen 19 aufgeschraubt (FIG 7). Die Einzelteile der Antriebsblöcke 17,18 sind zwischen bzw. an den Platinen 20,21 montiert und werden auf den Knebel 2 des Leistungsschalters 3 aufgesetzt, mit dem Rahmen 19 verschraubt und mit einer Kappe 39 abgedeckt. Der Fernantrieb wird über einen Steckverbinder an die Versorgungsspannungen und die Befehlsgeräte für die Betätigung angeschlossen. Die Anpassung an mehrere Baugrößen von Leistungsschaltern erfolgt durch unterschiedliche Rahmen 19 in Kombination mit verschiedenartigen Antriebsblöcken 17,18 mit und ohne Sprungfunktion. Dabei ist der Grundaufbau gleich, durch Austausch bzw. Wegfall weniger Teile entstehen unterschiedliche Antriebsblöcke. FIG 1 zeigt die Draufsicht auf einen Antriebsblock mit Sprungfunktion. Die Zahnradkopplung 1,27,31 mit dem Getriebemotor 15 (FIG 3 bis 5 und 7) ist erkennbar. Der seitliche Grundaufbau ist in FIG 8 dargestellt. Dabei ist der Mitnehmer 4 zu sehen, der als Lagerachse vom Abtriebszahnrad 1, Stützhebel 8 und Knebel 25 dient und zwischen den Platinen 20,21 gelagert ist.The circuit breaker 3 is screwed onto a frame 19 (FIG 7). The individual parts of the drive blocks 17, 18 are mounted between and on the boards 20, 21 and are placed on the toggle 2 of the circuit breaker 3, with the Frame 19 screwed and covered with a cap 39. The Remote drive is connected to the supply voltages via a connector and the command devices for actuation are connected. Adaptation to several sizes of circuit breakers done by different frames 19 in Combination with different types of drive blocks 17, 18 with and without jump function. The basic structure is the same, replacing or eliminating fewer parts results in different parts Drive blocks. 1 shows the top view a drive block with jump function. The gear coupling 1, 27, 31 with the geared motor 15 (FIGS. 3 to 5 and 7) can be seen. The lateral basic structure is shown in FIG 8. The driver 4 can be seen, the bearing axis from Output gear 1, support lever 8 and toggle 25 serves and between the boards 20,21 is mounted.

Das Verklinkungssystem wird durch Drehfeder 5, Zapfen 7 am Abtriebszahnrad 1 und Halbwelle 44 gebildet, wobei die Drehfeder 5 auf dem Abtriebszahnrad 1 vorgespannt gelagert ist und sich am Zapfen 7 abstützt.The latching system is by torsion spring 5, pin 7 on Output gear 1 and half shaft 44 formed, the torsion spring 5 is mounted preloaded on the output gear 1 and is supported on the pin 7.

FIG 2 zeigt die Draufsicht eines Antriebsblockes 17 ohne Sprungeinschaltung, wobei gegenüber dem Antriebsblock 18, Drehfeder 5, Stützhebel 8 und Halbwelle 44 entfallen und ein federnder Mitnehmer 47 ergänzt wird. In den FIG 3 und 4 ist der Aufbau der Antriebsblöcke 17 und 18 dargestellt. Der Motorantrieb wird ergänzt durch ein Schwenksystem mit den Teilen 26,28,29,30,32,33 zur mechanischen Entkopplung der Zahnräder und elektrischen Trennung bei Handbetrieb, einem Sprungsystem 12,13 (FIG 5) zum Umschalten des Motors (Reversierbetrieb) und einem Verriegelungssystem 23 (FIG 6). Dabei sind das Schwenksystem und das Verriegelungssystem 23 miteinander gekoppelt, in dem ein Verschließen des Knebels 25 nur in der Stellung AUS des Leistungsschalters 3 bei mechanischer und elektrischer Trennung des Motorantriebes möglich ist.2 shows the top view of a drive block 17 without Jump engagement, with respect to the drive block 18, Torsion spring 5, support lever 8 and half shaft 44 are omitted and one resilient driver 47 is added. 3 and 4 is the structure of the drive blocks 17 and 18 shown. The motor drive is supplemented by a swivel system with the parts 26,28,29,30,32,33 for mechanical decoupling of the gears and electrical isolation in manual mode, one Jump system 12, 13 (FIG. 5) for switching the motor (reversing operation) and a locking system 23 (FIG 6). there are the swivel system and the locking system 23 with each other coupled, in which a closure of the toggle 25 only in the OFF position of the circuit breaker 3 with mechanical and electrical isolation of the motor drive is possible.

Gleichzeitig ist die Kappe 39 mit seinem Haken 43 (FIG 7) mit dem Riegel 38,42 verbunden. Ein Abnehmen der Kappe ist nur bei mechanischer und elektrischer Trennung des Gerätes möglich. Durch diese Kombination werden Endschalter eingespart.At the same time, the cap 39 with its hook 43 (FIG. 7) is included connected to the bolt 38, 42. Removing the cap is only possible with mechanical and electrical separation of the device. This combination saves limit switches.

Durch Kombination des Antriebszahnrades 1 in Verbindung mit dem Stützhebel 8, einer Halbwelle 44 (siehe FIG 8) und der Feder 5 ist aus einem Antrieb ohne Sprungeinschaltung 17 ein Antrieb mit Sprungeinschaltung 18 herstellbar.By combining the drive gear 1 in conjunction with the support lever 8, a half shaft 44 (see FIG 8) and the Spring 5 is a drive without a jump switch 17 Drive with jump switch 18 can be produced.

Claims (18)

  1. Motor drive with a gearwheel step up transmission and snap-action connection for a circuit breaker which can be operated by a rotating knob (2), with the motor drive having a transmission motor (19) and a driver (4) which transmits the drive force and engages over the rotating knob (2) characterized in that an output drive gearwheel (1) is mounted centrally, via the rotating knob (2) of the circuit breaker (3) on the driver (4), which grips by means of the output drive gearwheel (1) and produces the connection for the knob (2) and of a knob (20) for manual operation, and the output drive gearwheel (1) holds a prestressed first spring (5) whose moving end (6) is supported on a pin (7) on the output drive gearwheel (1) and at the same time engages in a supporting lever (8), which is mounted in the same way as the output drive gearwheel (1) on the driver (4) and, at the start of the connection process, guides the driver (4) and the supporting lever (8) as far as a latching point (9), where the prestressing force of the first spring (5) changes from the pin (7) on the output drive gearwheel (1) to the supported supporting lever (8) and the output drive gearwheel (1) continues to rotate on its own, further tensioning the first spring (5), until a further pin (10) on the output drive gearwheel (1) releases the latch (9) and transmits the connection torque of the spring (5) to the driver (4), which connects the circuit breaker (3) suddenly, and the output drive gearwheel (1) is then driven by the driver (4) in a sprung manner against the rotating knob (2) of the circuit breaker (3) until an attachment (11) on the output drive gearwheel (1) moves a lug (12) which operates a snap-action system (13), which requires no adjustment and in turn operates a first limit switch (14) which initiates the reversing mode of the transmission motor (15) and of the output drive gearwheel (1), as a result of which the elements comprising the output drive gearwheel (1), the first spring (5) and the supporting lever (8) are moved back to the original position, until a second limit switch (16) ends the connection process and carries out the disconnection movement analogously to the connection movement but without any snap-action function, and this entire arrangement can be converted by minor modification of parts to a drive without snap-action connection, with the functional sequence described above being retained, but without any snap action.
  2. Motor drive according to Claim 1, characterized in that a drive block (18) is detachably screwed to a frame (19), which is used as a screwing-on plane for the circuit breaker (3).
  3. Motor drive according to Claim 1, characterized in that the main functional parts are mounted between two boards (20, 21), and have a switching device (22) from manual to automatic operation with a locking system (23), and a snap-action system (13), which requires no adjustment, for the reversing mode of the transmission motor (15).
  4. Motor drive according to Claim 2, characterized in that the drive block (18) has a key (24) for resetting a signalling module, which is likewise guided between boards (20, 21) parallel to the driver, and is held in the initial position via the first spring (5).
  5. Motor drive according to Claim 3, characterized in that the switching device (22) for mechanical and electrical disconnection is combined with the locking system (23) for sealing off the knob (25) for manual operation from the remote drive.
  6. Motor drive according to Claims 3 and 5, characterized in that a pivoting lever (26) is mounted together with the transmission motor (15) and an input drive gearwheel (27) on a spacer bolt (28), and a second spring (29) between the pivoting lever (26) and a further spacer bolt (30), which is arranged in the opposite sense to the first spacer bolt (28), applies a torque to the pivoting lever (26), with the pivoting lever (26) being supported on the second spacer bolt (30) in the opposite sense to the bearing point.
  7. Motor drive according to Claim 6, characterized in that the sprung pivoting lever (26) is configured, in its basic position, such that the support absorbs the entire force of the second spring (29) and produces a distance a between the input drive gearwheel (27) and a coupling gearwheel (31) with a pure interlock, and such that the flank opposing force of the output drive gearwheel (1) is less than that of the pivoting system.
  8. Motor drive according to Claim 7, characterized in that the second spacer bolt (30) acts at the same time as the spring suspension of the second spring (29) and as the supporting point (32) of the pivoting lever (26).
  9. Motor drive according to Claims 3 and 6 to 8, characterized in that the pivoting lever (26) has an incline (33) in the vicinity of the supporting point (32), where a pin (34) of an eccentric (35), which is firmly connected to a switching bolt (36), carries out mechanical disconnection during rotation of the switching bolt (36) and, by means of a web on the pivoting lever (15) which operates a limit switch (37), carries out electrical disconnection, and then automatically holds the pivoting lever (26) in the switched position via the second spring (29) and, on operation, is automatically moved back to the initial position once again.
  10. Motor drive according to Claims 3 and 6 to 9, characterized in that a bolt (38) which is mounted above the second spring (29) on the switching bolt (36), prevents removal of a cap (39) during automatic operation and, in conjunction with a locking lever (40) which is mounted on the upper board (20) of the drive block (17), prevents the removal of a slide (41) in the knob (25) for manual operation in the "automatic" position, or allows such a movement in the "manual" position.
  11. Motor drive according to Claim 10, characterized in that the bolt (38) has an attachment (42) which engages in a hook (43) in the cap (39), or releases it.
  12. Motor drive according to Claim 11, characterized in that, in the "manual" position, the knob (25) for manual operation on the remote drive can be closed off by means of a lock by removing the slide (41) which engages in the upper board (20), although the bolt (38) cannot be moved via the locking lever (40) on to the switching bolt (36) in the "automatic" position, thus maintaining electrical disconnection.
  13. Motor drive according to Claim 3, characterized in that, after the connection or disconnection process, the snap-action system (13) which requires no adjustment is operated and initiates the reversing mode, with the attachment (11) in the output drive gearwheel (1) operating the lug (12), on which [lacuna], in the opposite sense to the driving of a third spring (45), is arranged between the lug (12) and a snap-action lever (46), which, after the switching process of the circuit breaker (3), is drawn beyond the dead-centre point of the snap-action lever (46) and operates the first limit switch (14).
  14. Motor drive according to Claim 3 and 13, characterized in that the output drive gearwheel (1) has only one sprung stop (48) for disconnection of the circuit breaker (3), and the rotating spring (5) carries out the function of a second sprung driver during connection.
  15. Motor drive according to Claim 4, characterized in that the short-circuit signalling module (50) is reset via a reset lever (49), which is mounted on the driver (4), in conjunction with the key (24), with the key (24) being provided with a screw (51) which forms the point of action for the resetting lever (49) and, after its removal, the appliance can be reset only by hand.
  16. Motor drive according to Claim 15, characterized in that the reset lever (49) has a formed region (52) which operates a third limit switch (53), which is located parallel to the ON push button and thus on manual operation, allows the system to be operated electrically without any problems.
  17. Motor drive according to Claim 1, characterized in that the current adjustment (54) on the circuit breaker (3) is accessible in every switch position, through a cut-out (55) in the boards (20, 21) and in the output drive gearwheel (1).
  18. Motor drive according to one of the preceding claims, characterized in that a printed circuit board (56) is mounted, together with the controller, on the drive block (18).
EP98954233A 1997-10-08 1998-09-28 Remote-controlled mechanism with a motor, for a circuit breaker Expired - Lifetime EP1019928B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19744457A DE19744457C1 (en) 1997-10-08 1997-10-08 Remote operator with motor for circuit breaker
DE19744457 1997-10-08
PCT/DE1998/002872 WO1999019891A1 (en) 1997-10-08 1998-09-28 Remote-controlled mechanism with a motor, for a circuit breaker

Publications (2)

Publication Number Publication Date
EP1019928A1 EP1019928A1 (en) 2000-07-19
EP1019928B1 true EP1019928B1 (en) 2002-04-03

Family

ID=7844947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98954233A Expired - Lifetime EP1019928B1 (en) 1997-10-08 1998-09-28 Remote-controlled mechanism with a motor, for a circuit breaker

Country Status (5)

Country Link
US (1) US6204741B1 (en)
EP (1) EP1019928B1 (en)
CN (1) CN1129926C (en)
DE (2) DE19744457C1 (en)
WO (1) WO1999019891A1 (en)

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Also Published As

Publication number Publication date
US6204741B1 (en) 2001-03-20
DE59803660D1 (en) 2002-05-08
WO1999019891A1 (en) 1999-04-22
EP1019928A1 (en) 2000-07-19
CN1273678A (en) 2000-11-15
DE19744457C1 (en) 1999-06-24
CN1129926C (en) 2003-12-03

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