EP0901057B1 - Circuit de régulation de courant - Google Patents

Circuit de régulation de courant Download PDF

Info

Publication number
EP0901057B1
EP0901057B1 EP98114690A EP98114690A EP0901057B1 EP 0901057 B1 EP0901057 B1 EP 0901057B1 EP 98114690 A EP98114690 A EP 98114690A EP 98114690 A EP98114690 A EP 98114690A EP 0901057 B1 EP0901057 B1 EP 0901057B1
Authority
EP
European Patent Office
Prior art keywords
voltage
arrangement
measuring
switching device
current
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.)
Revoked
Application number
EP98114690A
Other languages
German (de)
English (en)
Other versions
EP0901057A2 (fr
EP0901057A3 (fr
Inventor
Kurt Dr. Stoll
Walter Suchy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Festo SE and Co KG
Original Assignee
Festo SE and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8045562&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0901057(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Festo SE and Co KG filed Critical Festo SE and Co KG
Publication of EP0901057A2 publication Critical patent/EP0901057A2/fr
Publication of EP0901057A3 publication Critical patent/EP0901057A3/fr
Application granted granted Critical
Publication of EP0901057B1 publication Critical patent/EP0901057B1/fr
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Images

Classifications

    • 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
    • H01F7/1844—Monitoring or fail-safe circuits
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
    • 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
    • H01F7/1805—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current

Definitions

  • the present invention relates to a circuit device for controlling a flowing through a magnet coil arrangement Coil current, with a control device that has a measuring arrangement for measuring the coil current and the Coil current as a function of the measured coil current regulates, with means for generating a through the magnet coil arrangement flowing starting current and with a switching device to reduce the coil current after expiration a tightening period to a shorter one, until the end of a Switching signal flowing, clocked holding current.
  • the object of the present invention is therefore a To provide circuit device of the type mentioned, which generates a much lower power loss and at the same time of a largely arbitrary voltage can be supplied.
  • This object is achieved in that also the starting current is regulated by clocking and that the measuring arrangement is switched outside the freewheeling circuit is in which during the present in the clock breaks Free running state of the magnet coil arrangement of the Freewheeling current flows.
  • the starting current Due to the clocking of the starting current, it can be used for supply input voltage serving the circuit device also greater than the desired voltage value assume that the RMS value of the input voltage can be lowered. The voltage value of the Therefore, input voltage does not have to reach the desired one as before Starting current must be adjusted. Because the measuring arrangement switched outside the freewheeling circuit is flowing in the clock breaks in which the solenoid arrangement assumes their freewheeling state and not on the Supply voltage is present, that of the solenoid arrangement induced freewheeling current not by the measuring arrangement. As a result, the freewheeling current is none Power loss generated in the measuring arrangement. The total Power loss is reduced significantly and offers metrological advantages.
  • a rectifier arrangement is expediently provided, the one input voltage in one for power supply the supply DC voltage serving the device reshapes. In this way, the circuit device to a DC or AC voltage as the input voltage be created.
  • the supply voltage of the supply voltage corresponds to the magnet coil arrangement.
  • the supply voltage is accordingly clocked Voltage or current source fed the control device, so that no additional input voltage for supply the control device is necessary.
  • Fig. 1 shows an embodiment of the circuit device 1.
  • the circuit device 1 has two input terminals 2, 3, to which an input voltage UO from the outside can be created.
  • the input terminals 2, 3 are with a Rectifier arrangement 6 connected, the example of a diode bridge circuit 7 is formed.
  • the rectifier arrangement formed by the diode bridge circuit 7 the input voltage UO becomes a DC supply voltage UG reshaped.
  • the positive pole of the DC supply voltage UG is connected to a positive output 8 Rectifier arrangement 6, the one with a supply line 9 is connected, and a negative output 10 of Rectifier arrangement 6, on which the negative pole of the DC supply voltage is present, is at ground potential GND placed (0 volt). Between the supply line 9 and Ground potential GND is the DC supply voltage UG on.
  • the circuit device 1 also has a Magnetic coil arrangement 14, on the one hand with the supply line 9 is connected and on the other hand via a Series connection from a light emitting diode 13, the switching path between input E and output A of a controlled Switch 15 and a measuring resistor 16 connected to ground GND is.
  • the magnet coil arrangement is 14 formed by a single magnetic coil, whose equivalent circuit from a series connection of a ideal coil 22 and an ohmic coil resistor 23 is formed.
  • a free-wheeling diode 17 is connected, the cathode of which the supply line 9 is connected and its anode thus in connection with the input E of the controlled Switch 15 stands.
  • the solenoid assembly 14, the Light-emitting diode 13 and the freewheeling diode 17 form together a free-wheeling circuit 18.
  • the LED 13 is optional and not for the function of the circuit device 1 is needed. You can also by other display elements to be replaced or supplemented if so desired should be.
  • the light-emitting diode 13 serves to pass one through the Magnetic coil arrangement 14 flowing coil current IS optically display. As soon as a coil current IS flows, the lights up LED 13 (status display).
  • control line 19 On for switching the controlled switch 15 on and off serving control input S is via a control line 19 connected to a control output AS of a control unit 20.
  • the control line 19 further connects the Control output AS of the control unit 20 with another Control input S of a controlled measuring switch 21, whose switching distance between an input E and a Output A is turned on in a measuring line 24, which the Connection side of the measuring resistor facing away from GND 16 connects to a measurement input M of the control unit 20.
  • the measuring switch 21 When the measuring switch 21 is turned on, the Measuring resistor 16 falling measuring voltage UM at the measuring input M the control unit 20.
  • the controlled switch 15 and the controlled measuring switch 21 can, for example, as a semiconductor switch and here in particular be designed as MOS-FETs. Of course could also semiconductor types other than controlled switches are used.
  • the control unit 20 also has a switch input UE, which is connected to a switching device 25 is.
  • the control unit 20, the controlled switch 15, the controlled measuring switch 21, the measuring resistor 16 and the Switching device 25 together form a control device 26.
  • a clocked voltage source 29 is provided, for example, which has a regulator supply voltage at its output UR memorizes the present Embodiment with the control unit 20 and Switching device 25 is connected to its supply.
  • the clocked voltage source 29 is fed by the DC supply voltage UG.
  • a clocked Power source are provided instead of the clocked voltage source 29 also a clocked Power source are provided.
  • circuit device 1 The function of the circuit device 1 is as follows explained in detail with reference to FIGS. 2a-c.
  • the magnet coil arrangement 14 can, for example, be of a Solenoid coil of a solenoid valve can be formed, with the Tightening the valve spool first a high starting current IA is required, which is then used to hold the tightened state in a lower holding current IH can be lowered. Accordingly, flows first through the Solenoid assembly 14 during a tightening period TA the starting current IA, which after the tightening period TA is lowered into the holding current IH.
  • controlled switch 15 and the Controlled measuring switch 21 via separate control outputs to control the control unit 20.
  • An evaluation device of the control unit 20 compares now the measured value of the measuring voltage UM with a internal reference voltage, the controlled switch 15 opened or dependent on the comparison result is closed again.
  • the internal reference voltage of the control unit 20 could for example, have a triangular shape and with the differential voltage from the nominal value of the measuring voltage UM minus the actual value of the measuring voltage UM can be compared. at each "intersection" from the differential voltage and the The controlled switch 15 becomes the reference voltage switched. If the differential voltage is greater than that Reference voltage, so the controlled switch 15th otherwise it is closed.
  • This The principle is known from DE-29 60 0866. in principle could be any other regulatory process here be used.
  • the switching device causes 25 at the changeover input UE of the control unit 20 a switching signal, whereby the coil current IS from its starting current value to that corresponding to the holding current IH Value is reduced.
  • the regulation of the holding current IH takes place analogously to that of the starting current IA by clocking with the difference that the setpoint of Measuring voltage UM at measuring resistor 16 is correspondingly lower is.
  • the holding current IH flows through the for so long Solenoid assembly 14 until the DC supply voltage UG by switching off the input voltage UO is also switched off and a falling edge 33 having.
  • the coil current IS is then reduced in an e-function-like manner up to zero.
  • the input voltage UO or the supply DC voltage UG thus represent represents a switching signal that occurs when the input voltage is switched on UO or the supply voltage UG den Start of the tightening phase and when the input voltage is switched off UO or the supply voltage UG the end the holding phase. Switching off the input voltage UO and thus the DC supply voltage UG during the suit period doesn't make sense because then the valve slide is not tightened securely can.
  • the tightening period TA is preferred chosen just so long that the magnet coil arrangement 14 the associated valve spool safely can switch.
  • Due to the rectifier arrangement 6 can be used as the input voltage UO DC or AC voltages are used become.
  • the size of the input voltage UO is so too choose at least the one during the suit period through the magnet coil arrangement 14 flowing current IA guaranteed. Larger input voltages UO than that required minimum values are in the case of the invention Circuit device 1 is also possible, since both pulling current IA and holding current IH reduced by clocking can be.
  • the input voltage UO in the range of 24 V to 230 V DC or AC voltage.
  • the clocked voltage source 29 is also from the DC supply voltage UG supplies and delivers at your Output the clocked, regulated regulator supply voltage UR, so that also for the control device 26 no separate external power supply required is.
  • the necessary to supply the control device 26 Controller supply voltage UR is determined by means of the clocked voltage source 29 and the rectifier arrangement 6 obtained from the input voltage UO.

Landscapes

  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Seal Device For Vehicle (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Vehicle Body Suspensions (AREA)
  • Relay Circuits (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Control Of Electrical Variables (AREA)

Claims (13)

  1. Circuit pour la régulation d'un courant de bobine (IS) circulant à travers un agencement de bobine magnétique (14), comportant un dispositif de régulation (26) qui comporte un dispositif de mesure (16, 21) pour mesurer le courant de bobine (IS), et qui régule le courant de bobine (IS) en fonction de l'intensité du courant de bobine mesurée, comportant des moyens pour produire un courant d'actionnement (IA) circulant à travers l'agencement de bobine magnétique (14), et comportant un dispositif de commutation (25) pour abaisser le courant de bobine (IS) à l'expiration d'une durée d'actionnement (TA) à un courant de maintien (IH) rythmé, plus faible, circulant jusqu'à la fin d'un signal de commutation (UG ou UO), caractérisé en ce que le dispositif de régulation (26) comporte des moyens pour rythmer aussi le courant d'actionnement (IA) et en ce que le dispositif de mesure (16, 21) est monté à l'extérieur du circuit de roue libre (18), dans lequel le courant de roue libre circule pendant l'état de roue libre, existant dans les pauses de rythme de l'agencement de bobine magnétique (14).
  2. Circuit selon la revendication 1, caractérisé en ce que le dispositif de régulation (26) comporte un interrupteur commandé (15), conformé en particulier en interrupteur à semi-conducteurs, dont la branche de commande est montée en série avec l'agencement de bobine magnétique (14), ce qui fait que le courant de bobine (IS) peut être enclenché et coupé au moyen de l'interrupteur (15).
  3. Circuit selon la revendication 2, caractérisé en ce que le parcours de commande de l'interrupteur commandé (15) relie le circuit de roue libre (18) et le dispositif de mesure (16, 21).
  4. Circuit selon l'une des revendications 1 à 3, caractérisé en ce que le circuit de roue libre (18) est constitué au moins de l'agencement de bobine magnétique (14) et d'une diode de roue libre (17).
  5. Circuit selon la revendication 4, caractérisé en ce qu'une diode luminescente (13) ou d'autres éléments indicateurs sont montés dans le circuit de roue libre (18).
  6. Circuit selon l'une des revendications 1 à 5, caractérisé en ce que le dispositif de mesure (16, 21) comporte une résistance de mesure (16) qui peut être montée en série avec l'agencement de bobine magnétique (14), de sorte qu'en dehors des pauses de rythme le courant de bobine (IS) circule au moins essentiellement à travers la résistance de mesure (16).
  7. Circuit selon la revendication 6, caractérisé en ce que la tension de mesure (UM), qui chute sur la résistance de mesure (16), est acheminée par une ligne de mesure (24) à un dispositif d'exploitation, un interrupteur (21), conformé en particulier en interrupteur à semi-conducteurs, étant monté dans la ligne de mesure (24), ce qui fait que le dispositif d'exploitation peut être séparé de la tension de mesure (UM).
  8. Circuit selon l'une des revendications 1 à 7, caractérisé en ce qu'il est prévu un dispositif à redresseur (6) qui transforme une tension d'entrée (UO) en une tension continue d'alimentation (UG) servant à l'alimentation en tension de l'agencement de bobine magnétique (14).
  9. Circuit selon la revendication 8, caractérisé en ce que le dispositif à redresseur (6) contient un circuit en pont de diodes (7).
  10. Circuit selon l'une des revendications 1 à 9, caractérisé en ce que pour l'alimentation en tension ou en courant du dispositif de régulation (26), il est prévu une source de tension rythmée (29) ou une source de courant rythmée qui est alimentée par la tension d'alimentation (UG) de l'agencement de bobine magnétique (14).
  11. Circuit selon l'une des revendications 1 à 10, caractérisé en ce que l'agencement de bobine magnétique (14) est formé par une seule bobine magnétique.
  12. Circuit selon l'une des revendications 1 à 11, caractérisé en ce que le dispositif de régulation (26) comporte des moyens de mémorisation des valeurs de mesure pour mémoriser la valeur de mesure mesurée en dernier.
  13. Circuit selon la revendication 12, caractérisé en ce que les moyens de mémorisation des valeurs de mesure sont formés par un composant échantillonneur-bloqueur.
EP98114690A 1997-09-05 1998-08-05 Circuit de régulation de courant Revoked EP0901057B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29715925U 1997-09-05
DE29715925U DE29715925U1 (de) 1997-09-05 1997-09-05 Schaltungsvorrichtung

Publications (3)

Publication Number Publication Date
EP0901057A2 EP0901057A2 (fr) 1999-03-10
EP0901057A3 EP0901057A3 (fr) 1999-05-12
EP0901057B1 true EP0901057B1 (fr) 2003-02-26

Family

ID=8045562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98114690A Revoked EP0901057B1 (fr) 1997-09-05 1998-08-05 Circuit de régulation de courant

Country Status (3)

Country Link
US (1) US6262874B1 (fr)
EP (1) EP0901057B1 (fr)
DE (2) DE29715925U1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6313617B1 (en) 1997-10-17 2001-11-06 Continental Teves Ag & Co., Ohg Circuit arrangement for reducing voltage draw down in battery supply lines
EP1423860A1 (fr) * 2001-07-12 2004-06-02 Mecel Aktiebolag Procede de controle de solenoide
JP3851140B2 (ja) * 2001-10-30 2006-11-29 ボッシュ株式会社 流量制御用電磁比例制御弁の駆動方法
DE10302988B3 (de) * 2003-01-25 2004-10-28 Festo Ag & Co. Schaltungsvorrichtung zur Erzeugung eines durch eine Magnetspulenanordnung fließenden, durch Taktung geregelten Spulenstroms
DE102004058159B4 (de) * 2004-12-02 2014-02-13 Bosch Rexroth Ag Schaltungsanordnung zur Betätigung eines Ventils
DE102006020561B3 (de) * 2006-05-03 2007-11-29 Infineon Technologies Ag Spannungsversorgungsschaltung und Verfahren zum Versorgen einer Schaltung mit einer Versorgungsspannung
JP4359855B2 (ja) 2007-07-09 2009-11-11 Ｓｍｃ株式会社 電磁弁駆動回路及び電磁弁
JP4431996B2 (ja) * 2007-07-09 2010-03-17 Ｓｍｃ株式会社 電磁弁駆動回路及び電磁弁
CN101404199B (zh) * 2008-07-01 2011-10-19 常熟开关制造有限公司(原常熟开关厂） 电磁铁控制装置
US20100259861A1 (en) * 2009-04-10 2010-10-14 Pertech Resources, Inc. Solenoid drive method that conserves power
US8687341B2 (en) * 2010-02-10 2014-04-01 Hanchett Entry Systems, Inc. Control circuit for electric unlocking devices using actuating solenoids
CN102493886B (zh) * 2011-11-30 2014-04-30 潍柴动力股份有限公司 一种喷油器开启时间修正方法及装置
JP6056804B2 (ja) * 2014-04-18 2017-01-11 株式会社デンソー 電磁弁制御装置
DE102015101778A1 (de) 2015-02-08 2016-08-11 Heinz Gödert Schaltungsanordnung zur Betätigung eines Magnetventils durch getaktete Ansteuerung
US9911561B2 (en) * 2015-11-13 2018-03-06 Target Rock Division Of Curtiss-Wright Flow Control Corporation Solenoid current control with fault detection, override, and shutdown features
JP6504312B2 (ja) * 2016-03-16 2019-04-24 富士電機機器制御株式会社 電磁接触器の操作コイル駆動装置
CN107924786B (zh) * 2016-03-17 2019-05-10 富士电机机器制御株式会社 电磁接触器的操作线圈驱动装置
CN105955393B (zh) * 2016-06-21 2017-10-27 贵州振华群英电器有限公司（国营第八九一厂） 一种小型差分式高压输出型继电器控制盒

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135805A1 (de) * 1981-09-10 1983-03-24 Robert Bosch Gmbh, 7000 Stuttgart Elektrische schaltungsanordnung in verbindung mit einem kfz-steuergeraet
GB8402470D0 (en) * 1984-01-31 1984-03-07 Lucas Ind Plc Drive circuits
GB8616965D0 (en) * 1986-07-11 1986-08-20 Lucas Ind Plc Drive circuit
EP0266743B1 (fr) * 1986-11-06 1992-03-04 Siemens Aktiengesellschaft Disposition de circuit pour produire une tension d'alimentation interne dans une alimentation de courant à découpage
US4812945A (en) * 1987-05-04 1989-03-14 Honeywell Inc. Method and apparatus for providing autoranging for an AC/DC power management circuit for DC solenoid actuators
DE3805031C2 (de) * 1988-02-18 1997-04-17 Bosch Gmbh Robert Vorrichtung zur Ansteuerung eines elektromagnetischen Verbrauchers
DE3824526A1 (de) * 1988-07-20 1990-01-25 Vdo Schindling Schaltungsanordnung zur regelung eines pulsierenden stroms
US4949215A (en) * 1988-08-26 1990-08-14 Borg-Warner Automotive, Inc. Driver for high speed solenoid actuator
DE3910810A1 (de) * 1989-04-04 1990-10-11 Luetze Gmbh Co F Schaltungsanordnung fuer ein elektromagnetisches ventil
US5053911A (en) * 1989-06-02 1991-10-01 Motorola, Inc. Solenoid closure detection
DE3927972A1 (de) * 1989-08-24 1991-02-28 Helmut Prof Dipl Ing Hoenicke Chopperstabilisierte und pulsbreitenmodulierte elektronikansteuerung von elektromagneten fuer elektro-hydraulische proportionalventile
DE3931063A1 (de) * 1989-09-14 1991-03-28 Siemens Ag Schaltungsanordnung zur ueberwachung einer stromversorgungseinrichtung auf spannungsunterschreitung
DE4006838A1 (de) * 1990-03-05 1991-09-12 Metz Albert Blumberger Tel Verfahren und anordnung zum schalten eines elektromechanischen relais
DE4113433A1 (de) * 1990-04-30 1992-01-09 Sihn Jr Kg Wilhelm Geregeltes netzteil, insbesondere fuer ein tragbares antennenmessgeraet
DE4109233A1 (de) * 1991-03-21 1992-09-24 Rexroth Mannesmann Gmbh Digitale ansteuerelektronik mit pulsweitenmoduliertem (pwm)-ausgangssignal zum ansteuern elektrischer stellglieder eines hydraulischen systems
DE4420282A1 (de) * 1994-06-10 1995-12-14 Bosch Gmbh Robert Verfahren und Vorrichtung zur Ansteuerung eines elektromagnetischen Verbrauchers
JP3026278B2 (ja) * 1995-03-02 2000-03-27 本田技研工業株式会社 パルス幅変調ソレノイドの制御装置
JP3085132B2 (ja) * 1995-03-02 2000-09-04 本田技研工業株式会社 パルス幅変調ソレノイドの制御装置

Also Published As

Publication number Publication date
US6262874B1 (en) 2001-07-17
DE29715925U1 (de) 1997-10-23
EP0901057A2 (fr) 1999-03-10
DE59807292D1 (de) 2003-04-03
EP0901057A3 (fr) 1999-05-12

Similar Documents

Publication Publication Date Title
EP0901057B1 (fr) Circuit de régulation de courant
DE3407067C2 (de) Steuerschaltung für Gasentladungslampen
EP0351451A2 (fr) Circuit de réglage d'un courant pulsatoire
DE2437872B2 (de) Verfahren und vorrichtung zum schnelladen einer akkumulatoren-batterie
AT403535B (de) Sperrwandler
DE1513420B2 (de) Spannungsregeleinrichtung zur erzeugung einer geregelten gleichspannung mit einem schalttransistor und einem kontinuierlich gesteuerten stelltransistor
DE3524681C2 (fr)
EP0965140B1 (fr) Etage de sortie a regulation de courant pour actionneurs electromagnetiques
DE102004050060B4 (de) Tiefsetzerschaltung
DE4410819C2 (de) Schaltungsanordnung für den Betrieb eines Relais
DE102009033385B4 (de) Netzteil-Schaltungsanordnung und Verfahren zum Betreiben einer Netzteil-Schaltungsanordnung
DE19529333B4 (de) Selbsterregender Rücklaufkonverter und Verfahren zur Steuerung eines selbsterregenden Rücklaufkonverters
DE2414393C2 (de) Kraftfahrzeug-Lichtanlage
EP0896417B1 (fr) Disposition de circuit avec un transistor à commutation
DE4231037C2 (de) Strombegrenzungsschaltung mit umschaltbarem maximalem Stromwert für scheinwiderstandsbehaftete Verbraucher
DE102011081849A1 (de) Vorrichtung zum Steuern von einer Entladungslampe zugeführter Leistung in Antwort auf einen von ausserhalb der Vorrichtung zugeführten Befehl
DE3733889C2 (fr)
DE3730294C2 (fr)
DE4438388A1 (de) Selbstschwingender Gleichspannungswandler
DE3607018A1 (de) Schaltnetzteil
DE2448408C2 (de) Schaltungsanordnung zur Herabsetzung der Im Zusammenhang mit dem Einschalten eines Halbleiterschalters auftretenden Verlustleistung
DE1588766B2 (de) Schaltungsanordnung zur Gleichspannungsregelung mit Strombegrenzung
DE3237287A1 (de) Schaltung zur selbsttaetigen umschaltung eines verbrauchers
DE1762367C3 (de) Impulsgenerator
DE3313272A1 (de) Stromversorgungsschaltung

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE FR GB IT

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

17P Request for examination filed

Effective date: 19990423

17Q First examination report despatched

Effective date: 19990924

AKX Designation fees paid

Free format text: DE FR GB IT

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Designated state(s): DE FR GB IT

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REF Corresponds to:

Ref document number: 59807292

Country of ref document: DE

Date of ref document: 20030403

Kind code of ref document: P

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 20030319

PLBQ Unpublished change to opponent data

Free format text: ORIGINAL CODE: EPIDOS OPPO

PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: WABCO GMBH

Effective date: 20030627

PLAN Information deleted related to communication of a notice of opposition and request to file observations + time limit

Free format text: ORIGINAL CODE: EPIDOSDOBS2

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

ET Fr: translation filed
PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLAX Notice of opposition and request to file observation + time limit sent

Free format text: ORIGINAL CODE: EPIDOSNOBS2

PLBB Reply of patent proprietor to notice(s) of opposition received

Free format text: ORIGINAL CODE: EPIDOSNOBS3

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20050714

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20050819

Year of fee payment: 8

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20060831

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20060913

Year of fee payment: 9

PLAY Examination report in opposition despatched + time limit

Free format text: ORIGINAL CODE: EPIDOSNORE2

PLBC Reply to examination report in opposition received

Free format text: ORIGINAL CODE: EPIDOSNORE3

RDAF Communication despatched that patent is revoked

Free format text: ORIGINAL CODE: EPIDOSNREV1

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20060805

RDAG Patent revoked

Free format text: ORIGINAL CODE: 0009271

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: PATENT REVOKED

27W Patent revoked

Effective date: 20070326

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20060805

PLAB Opposition data, opponent's data or that of the opponent's representative modified

Free format text: ORIGINAL CODE: 0009299OPPO