EP0865660B1 - Ansteuergerät für schaltgeräte - Google Patents
Ansteuergerät für schaltgeräte Download PDFInfo
- Publication number
- EP0865660B1 EP0865660B1 EP96946021A EP96946021A EP0865660B1 EP 0865660 B1 EP0865660 B1 EP 0865660B1 EP 96946021 A EP96946021 A EP 96946021A EP 96946021 A EP96946021 A EP 96946021A EP 0865660 B1 EP0865660 B1 EP 0865660B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coil
- control apparatus
- magnetic
- magnetic flux
- flux
- 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
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
- H01H47/325—Energising current supplied by semiconductor device by switching regulator
-
- 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
- H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
- H01F2007/1894—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings minimizing impact energy on closure of magnetic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
- H01H47/04—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current
- H01H2047/046—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for holding armature in attracted position, e.g. when initial energising circuit is interrupted; for maintaining armature in attracted position, e.g. with reduced energising current with measuring of the magnetic field, e.g. of the magnetic flux, for the control of coil current
Definitions
- the invention relates to a control device for switching devices, especially for contactors or relays, with a Magnet system, which comprises a coil of armature and yoke, as well with a control device for controlling the magnetic Flux in the magnet system, the armature and yoke with a coil includes, as well as with a control device for controlling the magnetic flux in the magnet system with which the magnetic Flow in the magnet system is regulated to a predetermined range becomes.
- a control device is from GB 21 12 213 A. previously known.
- the drives of switching devices usually work with Magnetic systems, which so far have each been at the voltage level adapted to the switching device and / or the type of drive Need to become. As a result, a large number of Coil variants necessary.
- DE 30 47 488 A1 known for an electromagnetic switching device, where the current through a Holding coil regulated in the closed state of the holding magnet becomes. To reduce the holding power, is done a switchover of threshold values for the current control after a given time. As a measurand for current control flow measurement using a Hall probe.
- DE 41 29 265 A1 is an electromagnetic one Switchgear known with a hinged anchor system, in which a Hall sensor the leakage flux is detected and in which the power supplied to the coil via the determined magnetic flux proportional Size is regulated. A stray flux is also used creating a magnetic shunt Detection of smallest air gaps in DE 36 37 133.
- DE 32 46 739 includes a contactor Flow sensor known in the yoke of the magnet system Hall sensor is present, whose signal to control the electrical excitation of the contactor to a predetermined Flow value serves.
- the object of the invention is a control device to simplify for switching devices of the type mentioned.
- the aim is to reduce the holding power of the Magnetic system on the one hand and an increase in mechanical and electrical life on the other.
- Control device can be used with different switching devices be so that fewer coil variants are and should be the magnet systems themselves are built smaller than before can be.
- the task is according to the invention with a control device initially mentioned type solved in that at the time and path-independent control with the magnetic control device Flow in the coil is regulated, with an upper and lower threshold of the range is defined and the width of the range for the controlled coil flow depending can be selected from the desired switching frequency.
- the width of the area for the regulated coil flow is usually between 0.01 and 10%, preferably between 0.05 and 5% of the magnetic flux and is caused by the Switching frequency determined.
- the invention was based on the non-trivial finding that the setpoint of the magnetic flux in the coil advantageously can be selected regardless of status and position can. Measurements on a specific contactor have shown that that to achieve the tightening force in the open state and to achieve the holding force with the magnet system closed approximately the same value for the magnetic Coil flow is required. Builds when closed already a considerably smaller current on this river because a larger inductance or a smaller magnetic one There is resistance. The value for the magnetic flux is into a given magnet system by adjusting the number of turns of the coil regardless of the voltage level.
- 1 represents a coil, the part of a gastric system for a switching device. Especially in figure 1, the coil 1 is indicated as an electrical inductance via a rectifier bridge 5 to the terminals of a AC network connected. The coil 1 is a sensor 2 assigned to flow capture.
- 10 means the actual control device of the magnetic flux. It contains a unit 11 for threshold detection and a unit 12 for voltage monitoring and also a controllable switching element 13. About the controllable switching element 13, for example a transistor can be, the coil 1 is rectified Terminal voltage connected.
- the magnetic flux through the coil i.e. the coil flux, but not the magnetic flux in the Working gap of the magnet system is detected when switching on and used for regulation.
- the coil flow is a upper and lower threshold set.
- the switching element 13 remains closed as long as the coil flow is below the upper threshold remains.
- the switching element 13 is opened and the coil flow is getting smaller again.
- the switching element 13 is closed again.
- the coil flow can be in such an area regulated between 0.01 and 10% of the coil flow, in particular between 0.05 and 5%.
- FIG. 4 shows the same magnet system 20 as in FIG. 3 a magnetic field probe 34 attached to the B or H field detected. This may require a slot 25 in the magnet system 20 are introduced.
- the B or H field is a measure for the magnetic flux through the coil 21. Particularly advantageous is that in this case no integrator is needed becomes.
- Figure 5 essentially results from the combination of Figure 1 and Figure 4.
- the electrical control module the control lines for the coil 1 according to FIGS. 1 and 21 bridged by a diode according to FIG.
- a suitable magnetic field probe 34 is introduced.
- forced air gaps are usually already in the Manufacture of the yoke made of laminated iron and provided with filled with a film of insulation material, so that a there is a stable connection between the two yoke parts.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electromagnets (AREA)
- Relay Circuits (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Toys (AREA)
Abstract
Description
- Figur 1
- den prinzipiellen Aufbau eines Ansteuergerätes für ein Magnetsystem,
- Figur 2
- ein Diagramm mit auf einen engen Bereich geregelten Magnetfluß- und Stromkurven,
- Figur 3
- das Prinzip der Erfassung des Spulenflusses im Magnetsystem durch eine Hilfsspule,
- Figur 4
- die Erfassung des Spulenflusses durch eine Magnetfeldsonde und
- Figur 5
- den Aufbau eines Magnetsystems aus Joch und Anker, bei dem insbesondere die Bedeutung des Zwangsluftspaltes ersichtlich ist.
Claims (11)
- Ansteuergerät für Schaltgeräte, insbesondere für Schütze oder Relais, mit einem Magnetsystem (20), das eine Spule (1,21) mit Anker und Joch (22) umfaßt, und mit einer Einrichtung (10) zur Regelung des magnetischen Flusses im Magnetsystem mit der der magnetische Fluß auf einen vorgegebenen Bereich geregelt wird, dadurch gekennzeichnet, daß zur zeit- und wegunabhängigen Regelung mit der Regeleinrichtung (10) der magnetische Fluß in der Spule (1, 21) geregelt wird, wobei für den magnetischen Fluß der Spule (1, 21) eine obere und eine untere Schwelle des Bereiches definiert und die Breite des Bereiches für den geregelten Spulenfluß in Abhängigkeit von der gewünschten Schaltfrequenz wählbar ist.
- Ansteuergerät nach Anspruch 1, dadurch gekennzeichnet, daß die Breite des Bereiches für den geregelten Spulenfluß zwischen 0,01 und 10 %, vorzugsweise zwischen 0,05 und 5 %, des Magnetflusses liegt.
- Ansteuergerät nach Anspruch 1, dadurch gekennzeichnet, daß der magnetische Fluß beim Einschalt- und Haltevorvorgang erfaßt und zur Regelung verwendet wird.
- Ansteuergerät nach Anspruch 1, dadurch gekennzeichnet, daß die Spule (1) über ein steuerbares Schaltelement (15) und einen Gleichrichter (5) an die Klemmenspannung angeschlossen ist.
- Ansteuergerät nach Anspruch 1, dadurch gekennzeichnet, daß die Regeleinrichtung (10) eine Einheit zur Spannungsüberwachung (12) enthält, mit der der Einschaltvorgang erst beim Überschreiten einer definierten Einschaltschwelle, beispielsweise 70 % Nennspannung, freigegeben wird.
- Ansteuergerät nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zur Erfassung des magnetischen Flusses eine Hilfsspule (24) mit Integrator (26) vorhanden ist.
- Ansteuergerät nach Anspruch 6, dadurch gekennzeichnet, daß die Hilfsspule (24) am Joch (22) Magnetsystems (20) angebracht ist.
- Ansteuergerät nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß zur Erfassung des Spulenflusses eine Magnetfeldsonde (34) vorhanden ist.
- Ansteuergerät nach Anspruch 8, dadurch gekennzeichnet, daß die Magnetfeldsonde (34) in einem Schlitz (25) im Joch (22) des Magnetsystems (20) angebracht ist.
- Ansteuergerät nach Anspruch 9, wobei das Joch des Magnetsystems einen Zwangsluftspalt aufweist, dadurch gekennzeichnet, daß der Schlitz (25) und der Zwangsluftspalt (30) im Joch (22) einen magnetischen Spannungsteiler bilden.
- Ansteuergerät nach Anspruch 10, dadurch gekennzeichnet, daß der Zwangsluftspalt (30) eine vorgewählte Breite (b) hat.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19545512 | 1995-12-05 | ||
DE19545512 | 1995-12-05 | ||
PCT/DE1996/002283 WO1997021237A2 (de) | 1995-12-05 | 1996-11-28 | Ansteuergerät für schaltgeräte |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0865660A2 EP0865660A2 (de) | 1998-09-23 |
EP0865660B1 true EP0865660B1 (de) | 2000-02-16 |
Family
ID=7779352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96946021A Expired - Lifetime EP0865660B1 (de) | 1995-12-05 | 1996-11-28 | Ansteuergerät für schaltgeräte |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0865660B1 (de) |
JP (1) | JP2000501550A (de) |
CN (1) | CN1068968C (de) |
DE (1) | DE59604468D1 (de) |
WO (1) | WO1997021237A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10332595A1 (de) * | 2003-07-17 | 2005-02-24 | Siemens Ag | Vorrichtung und Verfahren zum Ansteuern elektrischer Schaltgeräte |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1300862A1 (de) * | 2001-10-04 | 2003-04-09 | Moeller GmbH | Elektronische Anordnung zur Steuerung eines Schützantriebes |
EP1964141A1 (de) | 2005-12-22 | 2008-09-03 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zum betrieb eines schaltgerätes |
DE102012106922A1 (de) | 2012-07-30 | 2014-01-30 | Eaton Electrical Ip Gmbh & Co. Kg | Vorrichtung zum Regeln des elektromagnetischen Antriebs eines Schaltgeräts, insbesondere eines Schützes |
DE102012112692A1 (de) * | 2012-12-20 | 2014-06-26 | Eaton Electrical Ip Gmbh & Co. Kg | Vorrichtung und Verfahren zum Betrieb eines elektromagnetischen Schaltgeräteantriebs |
DE102013224662A1 (de) * | 2013-12-02 | 2015-06-03 | Siemens Aktiengesellschaft | Elektromagnetischer Aktuator |
JP6248871B2 (ja) | 2014-09-05 | 2017-12-20 | 株式会社デンソー | 電磁アクチュエータ |
FR3098637B1 (fr) * | 2019-07-08 | 2021-10-15 | G Cartier Tech | Actionneur electromecanique a commande autoregulee |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3579052A (en) * | 1968-09-21 | 1971-05-18 | Nippon Denso Co | System for driving a. d. c. electromagnet |
DE3047488A1 (de) * | 1980-12-17 | 1982-07-22 | Brown, Boveri & Cie Ag, 6800 Mannheim | Elektronische schaltungsanordnung fuer ein elektromagnetisches schaltgeraet |
GB2112213B (en) * | 1981-12-21 | 1985-12-11 | Gen Electric | Electromagnetic contactor with flux sensor |
US4735517A (en) * | 1985-10-31 | 1988-04-05 | Texas Instruments Incorporated | Printer having flux regulator |
US4608620A (en) * | 1985-11-14 | 1986-08-26 | Westinghouse Electric Corp. | Magnetic sensor for armature and stator |
DE4129265A1 (de) * | 1991-08-30 | 1993-03-04 | Mannesmann Ag | Elektromagnetisches schaltgeraet |
-
1996
- 1996-11-28 EP EP96946021A patent/EP0865660B1/de not_active Expired - Lifetime
- 1996-11-28 JP JP9520862A patent/JP2000501550A/ja not_active Ceased
- 1996-11-28 WO PCT/DE1996/002283 patent/WO1997021237A2/de active IP Right Grant
- 1996-11-28 DE DE59604468T patent/DE59604468D1/de not_active Expired - Fee Related
- 1996-11-28 CN CN96198342A patent/CN1068968C/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10332595A1 (de) * | 2003-07-17 | 2005-02-24 | Siemens Ag | Vorrichtung und Verfahren zum Ansteuern elektrischer Schaltgeräte |
DE10332595B4 (de) * | 2003-07-17 | 2008-02-14 | Siemens Ag | Vorrichtung und Verfahren zum Ansteuern elektrischer Schaltgeräte |
Also Published As
Publication number | Publication date |
---|---|
JP2000501550A (ja) | 2000-02-08 |
EP0865660A2 (de) | 1998-09-23 |
WO1997021237A2 (de) | 1997-06-12 |
CN1068968C (zh) | 2001-07-25 |
DE59604468D1 (de) | 2000-03-23 |
WO1997021237A3 (de) | 1997-08-21 |
CN1202269A (zh) | 1998-12-16 |
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