EP1132929A1 - Entraínement à aimant permanent pour dispositif de commutation électrique - Google Patents
Entraínement à aimant permanent pour dispositif de commutation électrique Download PDFInfo
- Publication number
- EP1132929A1 EP1132929A1 EP01104992A EP01104992A EP1132929A1 EP 1132929 A1 EP1132929 A1 EP 1132929A1 EP 01104992 A EP01104992 A EP 01104992A EP 01104992 A EP01104992 A EP 01104992A EP 1132929 A1 EP1132929 A1 EP 1132929A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- permanent magnet
- yoke
- armature
- drive according
- magnet arrangement
- 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.)
- Granted
Links
Images
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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
- H01H33/6662—Operating arrangements using bistable electromagnetic actuators, e.g. linear polarised electromagnetic actuators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/16—Rectilinearly-movable armatures
- H01F7/1607—Armatures entering the winding
- H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
- H01H51/2209—Polarised relays with rectilinearly movable armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/08—Electromagnets; Actuators including electromagnets with armatures
- H01F7/121—Guiding or setting position of armatures, e.g. retaining armatures in their end position
- H01F7/122—Guiding or setting position of armatures, e.g. retaining armatures in their end position by permanent magnets
Definitions
- the invention relates to a permanent magnetic drive for an electrical Switchgear.
- Such an electromagnetic drive is for example from DE 197 09 089 A1 known.
- This permanent magnetic drive has a closed, ring-shaped yoke, which is composed of laminated sheets and two spaced apart has longitudinal webs on which two pole shoes facing each other are molded.
- An anchor runs parallel to the longitudinal webs and between the free ones
- the ends of the pole pieces and the armature are two permanent magnets.
- coils are arranged to the permanent magnets, and depending on the control of the The armature is moved from one position to a second position in the coils Magnetic fields are generated in the yoke by the coils, which with the permanent magnetic fields work together to create a back and forth motion.
- the anchor has two extensions on the end that run in the crossbars of the yoke are; one of the extensions passes through the adjacent crosspiece and is connected to the movable contact stem of a vacuum switch connected.
- the width varies in that more parallel to the individual lamella sheets on both sides Slat plates are attached.
- disadvantageously large and heavy actuators result from the bottom the increased number of lamella sheets.
- the object of the invention is the permanent magnetic drive of the aforementioned Way to improve so that it can also handle larger rated short-circuit breaking currents can be used without changing the width and thus increase the weight significantly.
- a second permanent magnet arrangement with a movable one Part provided, wherein the movable part is connected to the anchor, so that by the second permanent magnet arrangement of the armature in the direction of switching on is moved and acted upon.
- FIG. 1 shows a view of a permanent magnetic drive 10.
- This permanent Magnetic drive 10 has a yoke 11 closed as a ring, which is made of Lamella sheets is composed, the lamella sheets perpendicular to the plane of the drawing are piled up.
- the yoke 11 comprises two mutually parallel ones Longitudinal webs 12 and 13 and transverse webs 14 and 15 running perpendicularly thereto in the central region of the longitudinal webs 12 and 13 project towards one another Pole shoes 16 and 17 formed on each other at a distance defined below end up.
- An anchor 18 is displaceable perpendicular to the transverse webs 14 and 15 and in the central axis thereof arranged, which can be designed, for example, as in DE 197 09 089 A1.
- This anchor 18 is via anchor guide elements 19 and 20, reach through the guide elements 21 and 22 in the crossbars 14 and 15, in the magnetic yoke 11 out.
- Coils 23, 24 are located between the crossbars 14 and 15 and the pole pieces 16, 17, respectively used. In the intermediate area between the anchor 18 and the free inner ends the pole pieces 16 and 17 permanent magnets 25 and 26 are used, which with the coils 23 and 24 cooperate in a certain way.
- FIG. 2 shows the switch-on position:
- the switch 18 is in the off position on the crossbar 14, which is the contact stem is opposite, whereas in the switched-on position the armature 18 against the crossbar 15 adjacent to the switching device bears.
- Such a permanent magnetic drive is for a certain rated short-circuit breaking current customized; higher switching currents are to be switched greater forces must be exerted. For this it is necessary to double-sided to the Yoke to accommodate more lamella sheets, with the lamella sheets perpendicular to Drawing layer can be stacked.
- a second permanent magnet arrangement is used to improve and simplify the drive 27 is provided, which has a housing 28 which serves as a yoke housing serves and is made of magnetic material.
- the housing 28 has two recesses 29 and 30, in which permanent magnets 31 and 32 are inserted; the permanent magnets can also be ring-shaped, the depression 29, 30 can be a ring recess.
- the housing 28 is with the guide pin 19th firmly connected and between the permanent magnets 31 and 32 and the outer surface the crossbar 14 there is no further additional component.
- the force generated by the contact pressure springs depends on the rated short-circuit breaking current, it is with the second permanent magnet arrangement possible, for example for a rated short-circuit breaking current of 31.5 kA rated actuator without additional Slat plates can also be used for a short-circuit breaking current of 40 kA.
- a corresponding setting thread can be located between the guide pin 19 and the housing 28 be provided so that the air gap, which is in the position shown in FIG. 2 between the housing 28 and the upper crossbar 14 results, can be varied can.
- Such setting elements are threaded spindles with nuts and lock nuts, the mother may be the housing 28 at the same time, not known.
- the permanent magnets 31, 32 in motion are and in the event of a switch-off action also bumping against the upper one Open crossbar 14, it is useful to use a solution according to FIG. 3.
- a U-shaped holding element 35 provided or attached, the legs 36, 37 of the crossbar 14th project away.
- the holding element can also be designed annular.
- a permanent magnet 38 is used, the mechanical Connections, for example a nut 39 against the bottom of the U-shaped holding element 35 is screwed.
- the permanent magnet 38 can also be annular be executed.
- the permanent magnet 38 With the guide pin 19 via a connecting pin 41 is a Inference part 40 connected, which is movable according to the double arrow direction P. is, so that in the position shown in Fig. 3, the permanent magnet 38 none Has effect, whereas when the yoke part 40 strikes the free ends the legs 36 and 37 give a corresponding magnetic flux distribution, the same Way helps to support the start-up movement and the static holding force to increase.
- the permanent magnet 38 is immobile and arranged in a fixed position; as a result, it is not an impact load or only one subject to slightly impacting stress for the life of the permanent magnet also has advantages.
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10011342 | 2000-03-10 | ||
DE2000111342 DE10011342A1 (de) | 2000-03-10 | 2000-03-10 | Permanent magnetischer Antrieb für ein elektrisches Schaltgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1132929A1 true EP1132929A1 (fr) | 2001-09-12 |
EP1132929B1 EP1132929B1 (fr) | 2008-07-16 |
Family
ID=7634007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20010104992 Expired - Lifetime EP1132929B1 (fr) | 2000-03-10 | 2001-03-01 | Entraînement à aimant permanent pour dispositif de commutation électrique |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1132929B1 (fr) |
DE (2) | DE10011342A1 (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6933827B2 (en) * | 2002-11-15 | 2005-08-23 | Mitsubishi Denki Kabushiki Kaisha | Actuator, method of manufacturing the actuator and circuit breaker provided with the actuator |
US20150137914A1 (en) * | 2013-11-18 | 2015-05-21 | Abb Technology Ag | Actuator for medium voltage switchgear |
US9190234B2 (en) * | 2006-04-05 | 2015-11-17 | Abb Technology Ag | Electromagnetic actuator, in particular for a medium voltage switch |
US10378848B1 (en) | 2017-03-08 | 2019-08-13 | Sturm, Ruger & Company, Inc. | Fast action shock invariant magnetic actuator for firearms |
US10969186B2 (en) | 2017-03-08 | 2021-04-06 | Strum, Ruger & Company, Inc. | Fast action shock invariant magnetic actuator for firearms |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10146899A1 (de) * | 2001-09-24 | 2003-04-10 | Abb Patent Gmbh | Elektromagnetischer Aktuator, insbesondere elektromagnetischer Antrieb für ein Schaltgerät |
DE102012217583A1 (de) | 2012-09-27 | 2014-03-27 | Siemens Aktiengesellschaft | Stellvorrichtung für eine Vakuumschaltröhre und Trennanordnung |
US10900732B2 (en) | 2017-03-08 | 2021-01-26 | Sturm, Ruger & Company, Inc. | Electromagnetic firing system for firearm with firing event tracking |
US11300378B2 (en) | 2017-03-08 | 2022-04-12 | Sturm, Ruger & Company, Inc. | Electromagnetic firing system for firearm with interruptable trigger control |
US10458736B2 (en) | 2017-03-08 | 2019-10-29 | Sturm, Ruger & Company, Inc. | Dynamic variable force trigger mechanism for firearms |
WO2018164923A1 (fr) | 2017-03-08 | 2018-09-13 | Sturm, Ruger & Company, Inc. | Mécanisme de détente à force variable dynamique d'armes à feu |
US10670361B2 (en) | 2017-03-08 | 2020-06-02 | Sturm, Ruger & Company, Inc. | Single loop user-adjustable electromagnetic trigger mechanism for firearms |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1594578A (en) * | 1977-10-21 | 1981-07-30 | Hart J C H | Electromagnetic actuator circuits |
EP0580285A2 (fr) * | 1992-07-20 | 1994-01-26 | Gec Alsthom Limited | Auto-réenclencheurs |
JPH0737461A (ja) * | 1993-07-27 | 1995-02-07 | Fuji Electric Co Ltd | ソレノイドアクチュエータ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4304921C1 (de) * | 1993-02-18 | 1994-08-25 | E I B S A | Bistabiler magnetischer Antrieb für einen elektrischen Schalter |
DE19649979C1 (de) * | 1996-11-22 | 1998-01-15 | Siemens Ag | Elektrodynamischer Antrieb, insbesondere für Hochspannungsschaltgeräte |
DE19709089A1 (de) * | 1997-03-06 | 1998-09-10 | Abb Patent Gmbh | Permanentmagnetischer Antrieb für einen Schalter |
-
2000
- 2000-03-10 DE DE2000111342 patent/DE10011342A1/de not_active Withdrawn
-
2001
- 2001-03-01 EP EP20010104992 patent/EP1132929B1/fr not_active Expired - Lifetime
- 2001-03-01 DE DE50114103T patent/DE50114103D1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1594578A (en) * | 1977-10-21 | 1981-07-30 | Hart J C H | Electromagnetic actuator circuits |
EP0580285A2 (fr) * | 1992-07-20 | 1994-01-26 | Gec Alsthom Limited | Auto-réenclencheurs |
JPH0737461A (ja) * | 1993-07-27 | 1995-02-07 | Fuji Electric Co Ltd | ソレノイドアクチュエータ |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1995, no. 05 30 June 1995 (1995-06-30) * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6933827B2 (en) * | 2002-11-15 | 2005-08-23 | Mitsubishi Denki Kabushiki Kaisha | Actuator, method of manufacturing the actuator and circuit breaker provided with the actuator |
US9190234B2 (en) * | 2006-04-05 | 2015-11-17 | Abb Technology Ag | Electromagnetic actuator, in particular for a medium voltage switch |
US20150137914A1 (en) * | 2013-11-18 | 2015-05-21 | Abb Technology Ag | Actuator for medium voltage switchgear |
US9478342B2 (en) * | 2013-11-18 | 2016-10-25 | Abb Schweiz Ag | Actuator for medium voltage switchgear |
US10378848B1 (en) | 2017-03-08 | 2019-08-13 | Sturm, Ruger & Company, Inc. | Fast action shock invariant magnetic actuator for firearms |
US10969186B2 (en) | 2017-03-08 | 2021-04-06 | Strum, Ruger & Company, Inc. | Fast action shock invariant magnetic actuator for firearms |
US11585621B2 (en) | 2017-03-08 | 2023-02-21 | Sturm, Ruger & Company, Inc. | Fast action shock invariant magnetic actuator |
Also Published As
Publication number | Publication date |
---|---|
DE10011342A1 (de) | 2001-09-13 |
DE50114103D1 (de) | 2008-08-28 |
EP1132929B1 (fr) | 2008-07-16 |
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