EP0956578B1 - Commutateur a fermeture rapide - Google Patents
Commutateur a fermeture rapide Download PDFInfo
- Publication number
- EP0956578B1 EP0956578B1 EP98909276A EP98909276A EP0956578B1 EP 0956578 B1 EP0956578 B1 EP 0956578B1 EP 98909276 A EP98909276 A EP 98909276A EP 98909276 A EP98909276 A EP 98909276A EP 0956578 B1 EP0956578 B1 EP 0956578B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lever
- contacts
- switch
- switching device
- switching
- 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
Images
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
- H01H71/50—Manual reset mechanisms which may be also used for manual release
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
- H01H2300/046—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using snap closing mechanisms
Definitions
- the invention relates to a switching device with a lever system with switch lever for opening and closing fixed contacts with moving contacts and with a moving one Switch element, its movement with opening and closing the fixed contacts and movable contacts are coupled.
- Such a switching device has been on the electrical market for some time Time available. According to FIG. 5, it has a contact slide 21 with coupled moving contact pieces 22 on that brought into contact with fixed contact pieces 23 can be. In the conductor track to a fixed contact 23 there is a bimetallic release 24 which is in the event of a current overload responds and contacts 22,23 opens.
- This is the switching device is equipped with a lever system, the Switch lever 25 engages at the upper end of the contact slide 21 and this to open the contacts 22,23 against Effect of a contact load spring acting on the lower end 26 pushes down. The latter causes the contacts to close 22,23 after a relief from the shift lever 25 of the contact slide 21 takes place.
- a solution is in DE 92 06 137 U1 discloses.
- EP 0 242 664 A1 describes a lever system of a switching device with a switching lever and one acting on a contact bridge Pressure plunger disclosed, which has a guide groove in the Shift lever is actuated.
- the pressure tappet is with a Provide locking lug that locks in the OFF position of the contacts is.
- the contacts are closed by turning of the switching lever of the pressure plunger via the switch-on edge first released from the catch in the guide groove. After the pressure ram has exceeded its dead center position, the leading end of the pressure plunger can be freely in front of it slide the guide groove. To close the contact only the contact bridge and the pressure tappet accelerated become.
- the known switching devices are usually circuit breakers for switching and protecting motors and other consumers. They are available in different sizes, i.e. manufactured with different switching capacities.
- the operation i.e. the switching on or off of the circuit breakers different sizes depending on the version with manual or remote control via rocker or rocker arm or rotary knob. It must be when switching on or turn off the power from the actuator via the Switch lock can be transferred to the moving contact.
- the slow opening or closing of the movable Contact due to increased contact erosion and the resulting shortening of the service life prevented become.
- Switch locks for higher switching capacities built with snap characteristics, through which the contacts can be closed or opened quickly.
- Switch locks installed without snap characteristics.
- the invention is therefore based on the object of a switching device of the above kind to improve that Switch on regardless of the actuator, the type of actuation and the operating speed on the rocker arm the rocker or rotary knob quickly closes the contacts become.
- the object is achieved by a lock, the switch element to close the contacts locked to between the shift lever and the switch element a free space for the complete movement stroke for the Closing process by unlocking the lock is initiated.
- FIG. 1 shows a switch lock 1 of an electrical switching device, e.g. a contactor or circuit breaker. That for ON and OFF switching of contacts, not shown here serving switch lock 1 is shown in the OFF position.
- the switch lock 1 is essentially made of one Circuit board 2, a rocker switch 3 as an actuator and a lever system that is operatively connected to this composed that a pawl 4, a ratchet lever 5, a Shift lever 6 with a torsion spring 7 and a tension spring 8 includes as an opening spring.
- the pawl lever 5 In the OFF position shown the pawl lever 5 is unlocked, i.e. he is not engaged with the pawl 4.
- the tension spring 8 interacts with the torsion spring 7, the shift lever 6 in the illustrated Position in which a link lever 10 as a switch element for opening and closing the movable contacts in the OFF position, d, h, is held in the lower position.
- a link lever 10 as a switch element for opening and closing the movable contacts in the OFF position, d, h, is held in the lower position.
- a contact slide is used instead of of the link lever 10 become.
- switch lock 1 In addition to the so far known switch lock 1 is according to the invention one rotatably mounted on the circuit board 2 Lock 11 available to which a return spring 12 engages. With the lever system, a roller 13 is connected, which in a Backdrop 14 is guided.
- the rocker 3 in The lever system moves the shift lever towards the ON position 6 in the position shown in Figure 2, in which a certain Distance a between the link lever 10 and the Shift lever 6 exists. Up to this position, the lock was 11 about its axis of rotation 14 through the tap on the roller 13 rotated so that the link lever 10 shortly before unlocking stands. In this position, the contacts are still open.
- the lock 11 is turned further, the articulation lever 10 unlocked and under the action of the contact load spring, not shown moved up to the position shown in Figure 3.4, in which the contacts are closed.
- Figure 4 shows the final position after the end of Switch-on process in which the return spring 12 is biased is, so that when the switching lock 1 is triggered, the lock 11 returned to the previously described position according to FIG. 1 becomes.
- the distance a is dimensioned such that the link lever 10 and with him the movable contacts after unlocking the lock 11 driven by the contact load springs unhindered and regardless of the operating speed and lock mechanism be closed quickly.
Landscapes
- Mechanisms For Operating Contacts (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Keying Circuit Devices (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
Claims (3)
- Appareil de commutation comportant un système de leviers ayant un levier (6) de commutation pour ouvrir et fermer des contacts fixes à l'aide de contacts mobiles, et comportant un élément (10) de commutation mobile dont le mouvement est couplé à l'ouverture et la fermeture des contacts fixes et des contacts mobiles, caractérisé par un élément (11) de verrouillage qui, en vue de la fermeture des contacts, verrouille d'abord l'élément (10) de commutation, afin de créer entre le levier (6) de commutation et l'élément (10) de commutation un espace libre en vue de la course complète de déplacement pour le processus de fermeture qui est déclenché par le déverrouillage de l'élément (11) de verrouillage.
- Appareil de commutation suivant la revendication 1, caractérisé en ce que l'élément de commutation est un levier (10) articulé.
- Appareil de commutation suivant la revendication 1 ou 2, caractérisé en ce que le déverrouillage de l'élément (11) de verrouillage s'effectue par prise sur un galet (13) guidé par coulisse dans une platine (2) de commutation.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19703977 | 1997-02-03 | ||
DE1997103977 DE19703977C1 (de) | 1997-02-03 | 1997-02-03 | Schaltgerät mit Schnelleinschaltung |
PCT/DE1998/000199 WO1998034258A2 (fr) | 1997-02-03 | 1998-01-22 | Commutateur a fermeture rapide |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0956578A2 EP0956578A2 (fr) | 1999-11-17 |
EP0956578B1 true EP0956578B1 (fr) | 2001-07-25 |
Family
ID=7819153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98909276A Expired - Lifetime EP0956578B1 (fr) | 1997-02-03 | 1998-01-22 | Commutateur a fermeture rapide |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0956578B1 (fr) |
CN (1) | CN1152402C (fr) |
DE (1) | DE19703977C1 (fr) |
WO (1) | WO1998034258A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2768006A1 (fr) | 2011-10-14 | 2014-08-20 | Seari Electric Technology Co., Ltd. | Mécanisme de réarmement rapide |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT512269A2 (de) * | 2011-11-16 | 2013-06-15 | Eaton Ind Austria Gmbh | Schaltgerät |
CN103337426B (zh) * | 2013-05-31 | 2015-12-09 | 浙江天正电气股份有限公司 | 一种带快速闭合装置的小型断路器 |
BR112016002051B1 (pt) * | 2013-09-25 | 2021-08-17 | Siemens Aktiengesellschaft | Dispositivo de comutação |
EP2854152B1 (fr) * | 2013-09-25 | 2016-11-02 | Siemens Aktiengesellschaft | Appareil de commutation doté d'un dispositif d'activation brusque |
DE102016217225A1 (de) * | 2016-09-09 | 2018-03-15 | Siemens Aktiengesellschaft | Schaltschloss für ein Niederspannungsschutzgerät |
DE102016217197A1 (de) * | 2016-09-09 | 2018-03-15 | Siemens Aktiengesellschaft | Schaltschloss für ein Niederspannungsschutzgerät |
US11437202B2 (en) | 2020-06-29 | 2022-09-06 | Rockwell Automation Switzerland Gmbh | Switching device with lock open component |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8611082U1 (de) * | 1986-04-23 | 1986-07-17 | Lindner Gmbh, Fabrik Elektrischer Lampen Und Apparate, 8600 Bamberg | Handbetätigter elektrischer Schalter |
DE9004883U1 (de) * | 1990-04-30 | 1990-06-28 | Felten & Guilleaume Energietechnik AG, 5000 Köln | Schaltmechanismus für Niederspannungsschaltgeräte |
DE9206137U1 (de) * | 1992-05-07 | 1993-09-09 | Siemens AG, 80333 München | Leistungsschalter mit einem Schaltschloß |
DE19526591B4 (de) * | 1995-07-21 | 2005-04-21 | Abb Patent Gmbh | Elektrischer Schalter |
-
1997
- 1997-02-03 DE DE1997103977 patent/DE19703977C1/de not_active Expired - Fee Related
-
1998
- 1998-01-22 EP EP98909276A patent/EP0956578B1/fr not_active Expired - Lifetime
- 1998-01-22 CN CNB988013266A patent/CN1152402C/zh not_active Expired - Fee Related
- 1998-01-22 WO PCT/DE1998/000199 patent/WO1998034258A2/fr active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2768006A1 (fr) | 2011-10-14 | 2014-08-20 | Seari Electric Technology Co., Ltd. | Mécanisme de réarmement rapide |
US9355799B2 (en) | 2011-10-14 | 2016-05-31 | Seari Electric Technology Co., Ltd. | Fast closing mechanism |
Also Published As
Publication number | Publication date |
---|---|
DE19703977C1 (de) | 1998-05-14 |
CN1239584A (zh) | 1999-12-22 |
WO1998034258A2 (fr) | 1998-08-06 |
EP0956578A2 (fr) | 1999-11-17 |
WO1998034258A3 (fr) | 1998-11-05 |
CN1152402C (zh) | 2004-06-02 |
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