EP1109178A2 - Procédé pour commuter une charge inductive - Google Patents

Procédé pour commuter une charge inductive Download PDF

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Publication number
EP1109178A2
EP1109178A2 EP00127553A EP00127553A EP1109178A2 EP 1109178 A2 EP1109178 A2 EP 1109178A2 EP 00127553 A EP00127553 A EP 00127553A EP 00127553 A EP00127553 A EP 00127553A EP 1109178 A2 EP1109178 A2 EP 1109178A2
Authority
EP
European Patent Office
Prior art keywords
voltage
load
switching
time interval
controllable 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.)
Withdrawn
Application number
EP00127553A
Other languages
German (de)
English (en)
Other versions
EP1109178A3 (fr
Inventor
Michael Abert
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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
Priority claimed from DE10003531A external-priority patent/DE10003531A1/de
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1109178A2 publication Critical patent/EP1109178A2/fr
Publication of EP1109178A3 publication Critical patent/EP1109178A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • H01H2047/008—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current with a drop in current upon closure of armature or change of inductance
    • 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
    • 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

Definitions

  • the invention relates to a method for switching an inductive Load, especially an inductive load with movable Share which a switching voltage can be supplied.
  • the invention relates to a circuit arrangement to carry out the procedure.
  • this load is usually supplied with a constant switching voltage, that occur during a time interval between a and there is a switch-off time at the load.
  • the present invention is therefore based on the object to specify a method of the type mentioned at the outset which Shortened switching time for switching the inductive load enables.
  • a circuit arrangement must be specified which is suitable for carrying out the method.
  • An embodiment of the invention according to that specified in claim 2 Measures result in a lower energy requirement with switched inductive load and accelerates switch-off processes.
  • the invention is particularly in digital output units for programmable logic controllers can be used.
  • Essential components of the circuit arrangement according to FIG. 1 are a sensor unit 1, which is provided for the detection of the change in a load current 11, a controllable switch 3 in the form of a MOSFET switch and a voltage generation unit 4.
  • a DC supply voltage 5 can be supplied to the voltage generation unit 4 , from which the voltage generating unit 4 generates 6 switching voltages depending on a control signal 6 generated by the sensor unit 1 and supplied to the voltage generating unit 4.
  • two switching voltages are provided, a maximum voltage of 48 VDC and a holding voltage of 16 VDC, which are generated from a supply voltage of 24 VDC.
  • a control signal 9 can be fed to the controllable switch 3 via a control output 7 of a programmable logic controller and via potential-separating means 8, an activated control signal 9 closing the switch 3. This has the effect that a switching voltage 10 is supplied to the load 2 and the load current 11 flows through the load 2 via a ground connection M. Further components of the circuit arrangement such as storage choke 12, quenching element 13 and overvoltage protection device 14 are of no significance for the invention and therefore do not need to be explained in more detail.
  • FIG. 2 in which current and voltage curves are shown.
  • the load 2 (FIG. 1) is supplied with an abrupt maximum voltage Um, which, for. B. corresponds to twice the nominal load voltage Un.
  • This maximum voltage Um causes a rapid increase in a load current I.
  • the sensor unit 1 detects a current shoulder Ss in the load current profile, which, for. B. caused by the movement of an anchor and the resulting change in flow.
  • the sensor unit 1 then activates the control signal 6, as a result of which the voltage generating unit 4 at the time T1 suddenly reduces the switching voltage from the maximum voltage Um to a holding voltage Uh, which in a practical exemplary embodiment of the invention is two thirds of the nominal load voltage Un.
  • the inductive load 2 Due to the increased switching voltage Um between times T0 and T1 and the reduced switching voltage Uh from time T1, on the one hand, the inductive load 2 is switched quickly and, on the other hand, the energy requirement during switched load 2 is reduced, with a holding current from time T2 in the steady state Ih flows through the load 2.
  • the time interval is selected in accordance with the technical specifications in the data sheets of the inductive load to be switched so that it is ensured that the current shoulder Ss occurs within this predetermined time interval.
  • the circuit arrangement according to FIG. 1 is to be modified such that a time interval monitoring unit is to be provided instead of the sensor unit 1.
  • FIG. 3a shows one Switching voltage in the form of a DC voltage
  • the Maximum voltage Um twice the nominal load voltage Un and the holding voltage Uh two thirds of this nominal load voltage Un is.
  • Such a DC voltage with variable amplitude generates the voltage generating unit 4 ( Figure 1) that the switching voltage varies depending on the control signal 6.
  • Figure 3b shows a clocked version, with one Time T3 is the DC component of the withstand voltage of two Third of the nominal load voltage with an alternating voltage corresponding amplitude and clock rate is achieved.
  • Such a pulsating DC voltage with constant amplitude and variable pulse-pause ratio can advantageously be used as a switching voltage in a circuit arrangement shown in FIG. 4 for switching a plurality of inductive loads with movable parts.
  • the control of only one output channel is shown in FIG.
  • the same parts in Figures 4 and 1 are provided with the same reference numerals.
  • a voltage generating unit 4 ' connects the maximum voltage Um (FIG. 3b) to the inductive load 2 via the controllable switch 3 and a sensor unit 1'.
  • the sensor unit 1 In the event that the sensor unit 1 'detects a current shoulder and / or a predeterminable time interval has expired, the sensor unit 1' switches an AND logic element 14 to a pulse-pause signal 15, as a result of which the controllable switch 3 switches the maximum voltage Um in accordance with the Pulse-pause ratio (duty cycle) switches this pulse-pause signal on or off.
  • This switching on or off of the maximum voltage Um in accordance with the duty cycle that can be predetermined by the sensor unit generates a constant component from time T3 (FIG. 3b), which corresponds to the holding voltage Uh (FIG. 3a).

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Electrical Variables (AREA)
  • Electronic Switches (AREA)
EP00127553A 1999-12-16 2000-12-15 Procédé pour commuter une charge inductive Withdrawn EP1109178A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE19961029 1999-12-16
DE19961029 1999-12-16
DE10003531 2000-01-27
DE10003531A DE10003531A1 (de) 1999-12-16 2000-01-27 Verfahren zum Schalten einer induktiven Last

Publications (2)

Publication Number Publication Date
EP1109178A2 true EP1109178A2 (fr) 2001-06-20
EP1109178A3 EP1109178A3 (fr) 2002-04-17

Family

ID=26004071

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00127553A Withdrawn EP1109178A3 (fr) 1999-12-16 2000-12-15 Procédé pour commuter une charge inductive

Country Status (1)

Country Link
EP (1) EP1109178A3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007001478A1 (fr) * 2005-06-15 2007-01-04 Honeywell International Inc. Detection de deplacement d'armature dans des solenoides a grande vitesse
WO2011095223A1 (fr) * 2010-02-08 2011-08-11 Siemens Aktiengesellschaft Appareil pour un dispositif de commutation électromagnétique
DE102006014276B4 (de) * 2005-04-01 2021-02-18 Smc K.K. Elektromagnetventil und Elektromagnetventil-Antriebsschaltung
IT202000019366A1 (it) * 2020-08-05 2022-02-05 Lmp Srl Dispositivo elettronico di comando e controllo di un attuatore elettromagnetico, e relativo attuatore elettromagnetico
DE102021204276A1 (de) 2021-04-29 2022-11-03 Robert Bosch Gesellschaft mit beschränkter Haftung Schaltung und Verfahren zur Ansteuerung eines Dosierventils sowie landwirtschaftliche Vorrichtung
DE102022126261B3 (de) 2022-10-11 2024-01-04 Schaeffler Technologies AG & Co. KG Verfahren zur Betätigung eines Ventils in einem Kraftfahrzeug

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4729056A (en) * 1986-10-02 1988-03-01 Motorola, Inc. Solenoid driver control circuit with initial boost voltage
DE3817770A1 (de) * 1988-05-26 1989-11-30 Daimler Benz Ag Einrichtung zur getakteten ansteuerung eines elektromagnetischen ventils
DE3843138A1 (de) * 1988-12-22 1990-06-28 Bosch Gmbh Robert Verfahren zur steuerung und erfassung der bewegung eines ankers eines elektromagnetischen schaltorgans
DE19719602A1 (de) * 1997-05-09 1998-11-12 Fahrzeugklimaregelung Gmbh Elektronische Steuerschaltung
DE19742037B4 (de) * 1997-09-24 2007-08-09 Wabco Gmbh Verfahren zur Abfallerkennung einer magnetbetriebenen Vorrichtung
DE19821561A1 (de) * 1998-05-14 1999-11-18 Bosch Gmbh Robert Verfahren und Vorrichtung zur Ansteuerung eines elektromagnetischen Verbrauchers

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006014276B4 (de) * 2005-04-01 2021-02-18 Smc K.K. Elektromagnetventil und Elektromagnetventil-Antriebsschaltung
WO2007001478A1 (fr) * 2005-06-15 2007-01-04 Honeywell International Inc. Detection de deplacement d'armature dans des solenoides a grande vitesse
US7595971B2 (en) 2005-06-15 2009-09-29 Honeywell International Inc. Sensing armature motion in high-speed solenoids
WO2011095223A1 (fr) * 2010-02-08 2011-08-11 Siemens Aktiengesellschaft Appareil pour un dispositif de commutation électromagnétique
CN102754176A (zh) * 2010-02-08 2012-10-24 西门子公司 用于电磁开关设备的装置
CN102754176B (zh) * 2010-02-08 2015-12-02 西门子公司 用于电磁开关设备的装置
IT202000019366A1 (it) * 2020-08-05 2022-02-05 Lmp Srl Dispositivo elettronico di comando e controllo di un attuatore elettromagnetico, e relativo attuatore elettromagnetico
EP3951824A1 (fr) * 2020-08-05 2022-02-09 LMP S.r.l. Commande électronique et dispositif de commande pour un actionneur électromagnétique et actionneur électromagnétique correspondant
US11521775B2 (en) 2020-08-05 2022-12-06 Lmp Srl Electronic command and control device for an electromagnetic actuator and electromagnetic actuator thereof
DE102021204276A1 (de) 2021-04-29 2022-11-03 Robert Bosch Gesellschaft mit beschränkter Haftung Schaltung und Verfahren zur Ansteuerung eines Dosierventils sowie landwirtschaftliche Vorrichtung
DE102022126261B3 (de) 2022-10-11 2024-01-04 Schaeffler Technologies AG & Co. KG Verfahren zur Betätigung eines Ventils in einem Kraftfahrzeug

Also Published As

Publication number Publication date
EP1109178A3 (fr) 2002-04-17

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