EP1830370B1 - Dispositif destiné à la commande d'un mécanisme de commande électromagnétique - Google Patents

Dispositif destiné à la commande d'un mécanisme de commande électromagnétique Download PDF

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Publication number
EP1830370B1
EP1830370B1 EP20070004336 EP07004336A EP1830370B1 EP 1830370 B1 EP1830370 B1 EP 1830370B1 EP 20070004336 EP20070004336 EP 20070004336 EP 07004336 A EP07004336 A EP 07004336A EP 1830370 B1 EP1830370 B1 EP 1830370B1
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European Patent Office
Prior art keywords
current
supply voltage
switching
voltage
power
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EP20070004336
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German (de)
English (en)
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EP1830370A3 (fr
EP1830370A2 (fr
Inventor
Renate Keinath
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KEINATH, RENATE
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Individual
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    • 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
    • H01F7/1811—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current demagnetising upon switching off, removing residual magnetism
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2003—Output circuits, e.g. for controlling currents in command coils using means for creating a boost voltage, i.e. generation or use of a voltage higher than the battery voltage, e.g. to speed up injector opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2024—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit the control switching a load after time-on and time-off pulses
    • F02D2041/2027—Control of the current by pulse width modulation or duty cycle control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
    • F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
    • 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
    • H01F7/1816—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator
    • H01F2007/1822—Circuit arrangements for holding the operation of electromagnets or for holding the armature in attracted position with reduced energising current making use of an energy accumulator using a capacitor to produce a boost voltage
    • 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
    • H01F2007/1888—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings using pulse width modulation

Definitions

  • the circuit device may have an additional control input 80.1, by which the switching on and off of the circuit itself can be controlled

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Magnetically Actuated Valves (AREA)
  • Electronic Switches (AREA)

Claims (11)

  1. Procédé de commande d'un mécanisme de réglage électromagnétique comportant un circuit de commutation, lequel comprend :
    - une entrée (80.2) pour la connexion à une tension d'alimentation (Uv),
    - une entrée (80.3) pour la connexion à la terre,
    - deux sorties (80.4, 80.5) pour la connexion à un élément de réglage,
    - au moins un élément de commutation (10,30) pour l'interruption de l'alimentation en courant,
    - un dispositif (20) pour la détermination du courant ;
    - un élément de commande (60) pour la mesure du courant et de la tension d'alimentation ainsi que pour la commande dudit au moins un élément de commutation (10,30),
    - un élément de réglage du mécanisme de réglage, qui est commandé par ledit au moins un élément ce commutation (10,30) par modulation de largeur de pulsations et qui est actionné de manière limitée dans le temps par sa détermination,
    caractérisé en ce que l'élément de réglage est surexcité, lors de la mise en marche, de manière limitée dans le temps par une puissance qui est supérieure à la puissance nominale du mécanisme de commande et en ce que l'élément de commande (60) détermine, avec cette puissance à l'aide du courant et de la valeur de la tension d'alimentation de l'élément de réglage à l'état surexcité la puissance nominale à l'aide d'une multiplicité de charges inductives différentes, connues par l'élément de commande et est ainsi fermé sur le mécanisme de réglage, lequel est éventuellement actionné par modulation de largeur de pulsations à sa puissance nominale.
  2. Procédé selon la revendication 1, caractérisé en ce qu'une tension modulée en largeur de pulsations est produite au moyen dudit au moins un élément de commutation (10,30) pour l'adaptation de la puissance à la puissance déterminée dans le mécanisme de réglage électromagnétique relié.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le circuit de commutation possède une entrée de commande supplémentaire (80.1), par laquelle la mise en marche et l'arrêt du circuit de commutation peut être commandée.
  4. Procédé selon l'une des revendications précédentes, caractérisé en ce que le dispositif (20) pour la détermination du courant et de la tension d'alimentation est intégré dans l'élément de commande (60) ou est prévu à l'extérieur ou en ce que le dispositif (20) pour la détermination du courant est intégré dans l'élément de commutation (10).
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que le rapport impulsion/pause du signal de tension (ULAST) produit et cadencé par au moins un desdits éléments de commande (10,30) dépend de la valeur de la tension d'alimentation (UV).
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'équation suivante ∫ I t ⅆ t = const .
    Figure imgb0004
    s'applique avec une tension cadencée pour le courant (ILAST) à l'état déréglé, indépendamment de la valeur de la tension d'alimentation (UV).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'au moins un point d'inflexion est utilisé dans l'augmentation du courant au moment de la mise en marche (t2, t5) pour la surveillance du fonctionnement du mécanisme de réglage.
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce que la fréquence de commutation de la modulation de largeur de pulsations est choisie suffisamment élevée pour que l'élément d'actionnement agisse comme la bobine-mémoire d'un régulateur de commutation.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que le courant de bobine et la tension s'alimentation sont de préférence mesurés à chaque cadence.
  10. Procédé selon l'une des revendications précédentes, caractérisé en ce que la tension d'alimentation (UV) est supérieure à la tension nominale (ULAST) de l'élément de réglage.
  11. Procédé selon l'une des revendications précédentes, caractérisé en que le procédé est utilisé dans une machine à mouler par injection pour la fabrication de matériaux plastifiables, en particulier dans une machine à mouler par injection pour matière plastique.
EP20070004336 2006-03-02 2007-03-02 Dispositif destiné à la commande d'un mécanisme de commande électromagnétique Active EP1830370B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200610009628 DE102006009628A1 (de) 2006-03-02 2006-03-02 Vorrichtung zur Steuerung eines elektromagnetischen Stellantriebs

Publications (3)

Publication Number Publication Date
EP1830370A2 EP1830370A2 (fr) 2007-09-05
EP1830370A3 EP1830370A3 (fr) 2009-04-15
EP1830370B1 true EP1830370B1 (fr) 2012-08-15

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Family Applications (1)

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EP (1) EP1830370B1 (fr)
DE (1) DE102006009628A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8403880B2 (en) 2002-05-24 2013-03-26 Baxter International Inc. Peritoneal dialysis machine with variable voltage input control scheme

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7746620B2 (en) 2008-02-22 2010-06-29 Baxter International Inc. Medical fluid machine having solenoid control system with temperature compensation
US7782590B2 (en) * 2008-02-22 2010-08-24 Baxter International Inc. Medical fluid machine having solenoid control system with reduced hold current
US8027572B2 (en) 2008-02-22 2011-09-27 Baxter International Inc. Dialysis machine having multiple line voltage heater
US9435459B2 (en) 2009-06-05 2016-09-06 Baxter International Inc. Solenoid pinch valve apparatus and method for medical fluid applications having reduced noise production
DE102009041451B4 (de) * 2009-09-16 2012-03-15 Küster Holding GmbH Ansteuereinheit für elektrische und/oder pneumatische Verstellantriebe
DE102009044953B4 (de) 2009-09-24 2019-12-05 Robert Bosch Gmbh Verfahren zum Ansteuern eines elektromagnetischen Verbrauchers sowie entsprechende Schaltung
DE102022200152B4 (de) * 2022-01-10 2023-08-24 Festo Se & Co. Kg Magnetaktuator, Ventilanordnung und Verfahren

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DE3910810A1 (de) * 1989-04-04 1990-10-11 Luetze Gmbh Co F Schaltungsanordnung fuer ein elektromagnetisches ventil
DE4031427A1 (de) * 1990-10-04 1992-04-09 Luetze Gmbh Co F Verfahren und vorrichtung zum energiereduzierten betrieb eines elektromagnetischen stellgliedes
DE4109233A1 (de) * 1991-03-21 1992-09-24 Rexroth Mannesmann Gmbh Digitale ansteuerelektronik mit pulsweitenmoduliertem (pwm)-ausgangssignal zum ansteuern elektrischer stellglieder eines hydraulischen systems
US5666286A (en) 1995-10-10 1997-09-09 Nordson Corporation Device and method for identifying a number of inductive loads in parallel
JP4803882B2 (ja) * 2001-01-19 2011-10-26 本田技研工業株式会社 電磁アクチュエータ制御装置
DE10104754A1 (de) * 2001-02-02 2002-08-08 Volkswagen Ag Verfahren zum Betreiben eines elektromagnetischen Ventils
US7054772B2 (en) * 2003-09-30 2006-05-30 Delphi Technologies, Inc. Apparatus and method for monitoring and compensating for variation in solenoid resistance during use

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8403880B2 (en) 2002-05-24 2013-03-26 Baxter International Inc. Peritoneal dialysis machine with variable voltage input control scheme
US9504778B2 (en) 2002-05-24 2016-11-29 Baxter International Inc. Dialysis machine with electrical insulation for variable voltage input

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EP1830370A3 (fr) 2009-04-15
DE102006009628A1 (de) 2007-09-06
EP1830370A2 (fr) 2007-09-05

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