EP0844637B1 - Elektrodynamischer Antrieb, insbesondere für Hochspannungsschaltgeräte - Google Patents
Elektrodynamischer Antrieb, insbesondere für Hochspannungsschaltgeräte Download PDFInfo
- Publication number
- EP0844637B1 EP0844637B1 EP19970250350 EP97250350A EP0844637B1 EP 0844637 B1 EP0844637 B1 EP 0844637B1 EP 19970250350 EP19970250350 EP 19970250350 EP 97250350 A EP97250350 A EP 97250350A EP 0844637 B1 EP0844637 B1 EP 0844637B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- switching
- coil
- voltage source
- armature
- switch
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/38—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
-
- 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
- H01H9/0066—Auxiliary contact devices
Definitions
- the invention relates to an electrodynamic drive, especially for high voltage switching devices, the one by two coils which can be alternately fed by a voltage source having actuatable armature, which one to be driven Switching contact of a switching device is actuated by the Anchor in the course of a switching process on the one hand a first Auxiliary contact arrangement, which is driving him coil of the voltage source separates and on the other hand, a second Auxiliary contact arrangement is actuated, which for a subsequent switching process to be activated coil ready for use.
- An electrodynamic drive for electrical switching devices goes with respect to the operation of the driven Switching contact of the electrical switching device by a of two alternately powered by a voltage source Coils operable anchor, for example from the DE 43 04 921 C1. Through this electrodynamic drive Although it is ensured that a by the electric Switch to be executed safely, but it runs is not guaranteed that the electrodynamic drive after a switching process without time delay immediately is ready for the subsequent switching operation.
- the disadvantage is the known electro-dynamic drive also that, starting from the fact that increasingly as Voltage source a capacitor bank is used as it does, among other things, the drive device for a DC switch according to DE 38 41 592 A1 provides, the Operational readiness of electrical switching devices and thus is also limited by high voltage switching devices. The is especially the case because the current flow is instantaneous not interrupted after completion of a switching operation will, what with unnecessary discharge of the capacitors connected is.
- a switching device has a electrodynamic drive with two from a voltage source alternately feedable coils. Furthermore, over one Anchor of the electrodynamic drive a first Auxiliary contact arrangement and a second auxiliary contact arrangement actuated, by means of which a switching of the voltage source between the alternately fed coils.
- a movable switching contact causes a connection or disconnection the first and the second auxiliary contact arrangement.
- the movable switch contact is arranged by means of the armature Movable stop elements.
- the invention is therefore based on the object, a to create electrodynamic drive that is not just a ensures rapid switching of the auxiliary contact arrangements, but also a reliable long-lasting design represents that only a small additional space on the Electrodynamic drive required.
- this is an electrodynamic Drive according to the preamble of claim 1 characterized achieved that actuated by the anchor Auxiliary contact arrangements two each on the inner circumference of Coil arranged sliding contacts have.
- auxiliary contact arrangements actuatable by the armature two each on the inner circumference of Coils arranged sliding contacts, so can on the Use of separately driven auxiliary contact arrangements be waived. This will be the mass to be accelerated of the anchor by the movable contacts of the Auxiliary contact arrangement no longer charged additionally. There is also a hitting and the associated Shaking the entire drive to operate a movable switching contact not necessary.
- the sliding contacts are each protected inside the coils and arranged hardly require additional space.
- An advantageous embodiment may provide that the by the anchor closable sliding contacts in dependence from the position of the anchor with this one current path form.
- the sliding contacts inside the coils should advantageously have a length which corresponds to the axial length of Ankers corresponds as well as an inlet area for a trouble-free running in of the armature in the coils. deviant Of course, this height of the sliding contacts also a lower height are selected, but then the sliding contacts arranged on the inner circumference of the coils to be arranged on the inlet side for the anchor. The height The sliding contacts will eventually but also by a Safe guiding of the armature within the coils is determined.
- An activation of the respective, after a movement of the anchor from one to the other coil for a subsequent one Switching operation made ready coil can at the according to the invention electrodynamic drive in dependence from the arrangement of the coils and the sliding contacts of the first and second auxiliary contact arrangement then take place when the corresponding sliding contact is closed by the armature.
- connection of the first sliding contact the first auxiliary contact arrangement with the voltage source via a switch associated with the switch operation and according to the connection of the switch-on associated Coil over a the switch-on associated Switch.
- the invention is based on two embodiments a schematic drawing explained in more detail.
- FIG. 1 and 2 there is the electrodynamic Drive from two alternately powered by a voltage source 1 Coils 2, 3, wherein as a voltage source 1, a capacitor bank is used as well as from the anchor 4, which can be actuated by the coils 2, 3 and via the shift rod 5 with the switching contact, not shown a High voltage switching device is connected. It is the Coil 2 the switch-on in the direction of arrow 18 and the coil 3 the switch-off in the direction of arrow 19th assigned. At the inner periphery of the coil 2 is a first of two sliding contacts 6, 7 existing auxiliary contact arrangement and on the inner circumference of the coil 3, a second also consisting of two sliding contacts 9, 10 auxiliary contact arrangement.
- Figures 1 and 2 corresponds to the height of the sliding contacts 6, 7 and 9, 10, although the length of the armature 4, but the effects intended by the invention may then also be achieved when the acceleration of the armature 4 at his sliding into the other coil 2, 3 so big is that through its kinetic energy a safe ending the switching process is ensured and thus by interpretation the sliding contacts 6, 7 and 9, 10, in particular with respect a shorter length, already a premature interruption of the sliding contacts 6, 7 or 9, 10 and the Anchor 4 closed circuit can be done, so before the armature 4 leaves the respective coil 2 or 3.
- the electrodynamic drive according to FIG. 3 corresponds to FIG essential to that of Figure 1 and 2, but in contrast to the electrodynamic drive according to Figure 1 and 2 is here by a modified circuit arrangement of the coils 2, 3 and the sliding contacts 6, 7 and 9, 10 of the first and second Auxiliary contact arrangement in cooperation with the input and Switching off associated switches 13, 15 and the Voltage source 1 in the form of a capacitor battery discharging the capacitor bank on a switching operation reduces a minimum and at the same time the electrodynamic Drive ready for a subsequent switching operation made.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Relay Circuits (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Description
Claims (9)
- Elektrodynamischer Antrieb, insbesondere für Hochspannungsschaltgeräte, der einen durch zwei von einer Spannungsquelle (1) wechselweise speisbare Spulen (2, 3) betätigbaren Anker (4) aufweist, welcher einen anzutreibenden Schaltkontakt eines Schaltgerätes betätigt, wobei durch den Anker (4) im Zuge eines Schaltvorganges einerseits eine erste Hilfskontaktanordnung (6, 7, 9, 10), welche die ihn antreibende Spule (3, 2) von der Spannungsquelle (1) trennt und andererseits eine zweite Hilfskontaktanordnung (6, 7, 9, 10) betätigbar ist, die die für einen nachfolgenden Schaltvorgang zu aktivierende Spule (2, 3) betriebsbereit macht,
dadurch gekennzeichnet, daß
die durch den Anker (4) betätigbaren Hilfskontaktanordnungen (6, 7, 9, 10) jeweils zwei am inneren Umfang der Spulen (2, 3) angeordnete Gleitkontakte (6, 7, 9, 10) aufweisen. - Elektrodynamischer Antrieb nach Anspruch 1,
dadurch gekennzeichnet, daß
die durch den Anker (4) schließbaren Gleitkontakte (6, 7, 9, 10) in Abhängigkeit von der Lage des Ankers mit diesem jeweils eine Strombahn bilden. - Elektrodynamischer Antrieb nach Anspruch 1 und 2,
dadurch gekennzeichnet, daß
die am inneren Umfang der Spulen (2, 3) angeordneten Gleitkontakte (6, 7, 9, 10) eine Länge besitzen, die im wesentlichen der axialen Länge des Ankers (4) entspricht. - Elektrodynamischer Antrieb nach Anspruch 1 bis 3,
dadurch gekennzeichnet, daß
die nach Abschluß der bei einem Schaltvorgang durchgeführten Bewegung des Ankers von der einen in die andere Spule (2, 3) für einen nachfolgenden Schaltvorgang betriebsbereit gemachte Spule (3 oder 2) aktivierbar ist, wenn der entsprechende Gleitkontakt (6, 7, 9, 10) durch den Anker 4 geschlossen ist. - Elektrodynamischer Antrieb nach Anspruch 1 bis 4,
dadurch gekennzeichnet, daß
die Verbindung des ersten Gleitkontaktes (6) der ersten Hilfskontaktanordnung (6, 7) sowie der Spule (2) mit der Spannungsquelle (1) über einen dem Ausschaltvorgang zugeordneten und einen dem Einschaltvorgang zugeordneten Schalter (13, 15) erfolgen. - Elektrodynamischer Antrieb nach Anspruch 1 bis 5,
dadurch gekennzeichnet, daß
der zweite Gleitkontakt (7) der ersten Hilfskontaktanordnung (6, 7), dessen erster Gleitkontakt (6) über den dem Ausschaltvorgang zugeordneten Schalter (13) mit der Spannungsquelle (1) verbindbar ist, mit der dem Ausschaltvorgang zugeordneten, an die Spannungsquelle (1) angeschlossenen Spule (3) in Verbindung steht, während der erste Gleitkontakt (9) der zweiten Hilfskontaktanordnung (9, 10), dessen zweiter Gleitkontakt (10) an die Spannungsquelle (1) angeschlossen ist, mit der dem Einschaltvorgang zugeordneten, an die Spannungsquelle (1) über den dem Einschaltvorgang zugeordneten Schalter (15) anschließbaren Spule (2) in Verbindung steht. - Elektrodynamischer Antrieb nach Anspruch 1 bis 4,
dadurch gekennzeichnet, daß
die Verbindung des ersten Gleitkontaktes (9) der zweiten Hilfskontaktanordnung (11) sowie der Spule (3) mit der Spannungsquelle (1) über einen dem Einschaltvorgang zugeordneten und eine dem Ausschaltvorgang zugeordneten Schalter (13, 15) erfolgt. - Elektrodynamischer Antrieb nach Anspruch 1 bis 4 und 7,
dadurch gekennzeichnet, daß
der erste Gleitkontakt (6) der ersten Hilfskontaktanordnung (6, 7), dessen zweiter Gleitkontakt (7) an die Spannungsquelle (1) angeschlossen ist, mit der dem Ausschaltvorgang zugeordneten, an die Spannungsquelle (1) über den dem Ausschaltvorgang zugeordneten Schalter (13) anschließbaren Spule (3) in Verbindung steht, während der zweite Gleitkontakt (10) der zweiten Hilfskontaktanordnung (9, 10), dessen erster Gleitkontakt (9) über den dem Einschaltvorgang zugeordneten Schalter (15) mit der Spannungsquelle (1) verbindbar ist, mit der dem Einschaltvorgang zugeordneten, an die Spannungsquelle (1) angeschlossenen Spule (2) in Verbindung steht. - Elektrodynamischer Antrieb nach Anspruch 1 bis 8,
dadurch gekennzeichnet, daß
die dem Aus- und Einschaltvorgang zugeordneten Schalter (13, 15) extern ansteuerbar sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19649979 | 1996-11-22 | ||
DE1996149979 DE19649979C1 (de) | 1996-11-22 | 1996-11-22 | Elektrodynamischer Antrieb, insbesondere für Hochspannungsschaltgeräte |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0844637A2 EP0844637A2 (de) | 1998-05-27 |
EP0844637A3 EP0844637A3 (de) | 2000-11-22 |
EP0844637B1 true EP0844637B1 (de) | 2005-08-31 |
Family
ID=7813419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19970250350 Expired - Lifetime EP0844637B1 (de) | 1996-11-22 | 1997-11-18 | Elektrodynamischer Antrieb, insbesondere für Hochspannungsschaltgeräte |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0844637B1 (de) |
DE (2) | DE19649979C1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10011342A1 (de) * | 2000-03-10 | 2001-09-13 | Abb Patent Gmbh | Permanent magnetischer Antrieb für ein elektrisches Schaltgerät |
DE102012106534A1 (de) | 2012-07-19 | 2014-01-23 | Linde Material Handling Gmbh | Bremseinrichtung, insbesondere Lamellenbremse, mit einem axial beweglichen Bremskolben |
CN106158498A (zh) * | 2012-12-24 | 2016-11-23 | 宏秀电气有限公司 | 一种高压开关 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1645628A (en) * | 1926-07-03 | 1927-10-18 | Warren S Smith | Magnetically-operated signal |
US2838630A (en) * | 1956-07-16 | 1958-06-10 | Mc Graw Edison Co | Switch construction |
GB1196418A (en) * | 1966-09-26 | 1970-06-24 | English Electric Co Ltd | Improvements relating to Electro-Magnetic Devices |
US3900822A (en) * | 1974-03-12 | 1975-08-19 | Ledex Inc | Proportional solenoid |
US4862313A (en) * | 1987-12-11 | 1989-08-29 | Hitachi, Ltd. | Driving apparatus for DC circuit breakers |
GB8819166D0 (en) * | 1988-08-12 | 1988-09-14 | Ass Elect Ind | Magnetic actuator & permanent magnet |
DE4304921C1 (de) * | 1993-02-18 | 1994-08-25 | E I B S A | Bistabiler magnetischer Antrieb für einen elektrischen Schalter |
SE9403138L (sv) * | 1994-09-20 | 1996-03-21 | Asea Brown Boveri | Manöverdon för brytare |
-
1996
- 1996-11-22 DE DE1996149979 patent/DE19649979C1/de not_active Expired - Fee Related
-
1997
- 1997-11-18 DE DE59712405T patent/DE59712405D1/de not_active Expired - Fee Related
- 1997-11-18 EP EP19970250350 patent/EP0844637B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0844637A2 (de) | 1998-05-27 |
EP0844637A3 (de) | 2000-11-22 |
DE59712405D1 (de) | 2005-10-06 |
DE19649979C1 (de) | 1998-01-15 |
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