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WO1989003579A1 - Montage servant a accelerer l'alimentation d'un recepteur electromagnetique - Google Patents

Montage servant a accelerer l'alimentation d'un recepteur electromagnetique Download PDF

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Publication number
WO1989003579A1
WO1989003579A1 PCT/DE1988/000377 DE8800377W WO8903579A1 WO 1989003579 A1 WO1989003579 A1 WO 1989003579A1 DE 8800377 W DE8800377 W DE 8800377W WO 8903579 A1 WO8903579 A1 WO 8903579A1
Authority
WO
WIPO (PCT)
Prior art keywords
consumer
circuit arrangement
energy store
circuit
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.)
Ceased
Application number
PCT/DE1988/000377
Other languages
German (de)
English (en)
Inventor
Joachim Tauscher
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of WO1989003579A1 publication Critical patent/WO1989003579A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/04—Modifications for accelerating switching
    • H03K17/041—Modifications for accelerating switching without feedback from the output circuit to the control circuit
    • H03K17/0416—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/04163—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the output circuit in field-effect transistor switches
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/04—Modifications for accelerating switching
    • H03K17/041—Modifications for accelerating switching without feedback from the output circuit to the control circuit
    • H03K17/0416—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the output circuit
    • H03K17/04166—Modifications for accelerating switching without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches
    • 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
    • F02D2041/2006—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 by using a boost capacitor
    • 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
    • F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
    • F02D2041/2075—Type of transistors or particular use thereof

Definitions

  • Circuit arrangement for accelerating the supply of an electromagnetic consumer
  • the invention relates to a circuit arrangement for supplying an electromagnetic consumer with a supply voltage, with a driver circuit arranged in series with the consumer, which can be bridged by an extinguishing circuit for switching off the consumer.
  • a circuit arrangement is known, for example, from DE-OS 29 05 900 and is used to control the de-excitation time, that is to say the switch-off behavior, of an electromagnetic injection valve in internal combustion engines.
  • the quenching circuit is designed as a circuit arrangement with a controllable output voltage; the circuit arrangement works like a zener diode.
  • a Zener diode can be provided or, if a Zener diode is too weak, an amplifier with a downstream transistor. The switch-on behavior of the electromagnetic consumer cannot be influenced with the known circuit arrangement.
  • a circuit arrangement for quickly opening a solenoid valve is known, in which, after the end of the tightening time, the solenoid valve is kept de-energized for such a period of time that the solenoid valve falls off safely. Then such current flow is provided that the solenoid valve just does not respond. At the time of arrival, an additional signal is fed to the solenoid valve; this additional signal is taken from a memory, for example a capacitor.
  • an adjustable active clamping circuit for an inductive consumer which is supplied with current during operation by a driver transistor.
  • a voltage divider with a Darlington transistor is provided for quickly switching off the inductive load.
  • the Darlington transistor is switched off while the driver transistor is saturated and therefore supplies the consumer with current.
  • the driver transistor is switched off, the voltage divider switches on the Darlington transistor, and this derives the energy of the inductive consumer.
  • the energy contained in the electromagnetic consumer is therefore reduced either by a circuit arrangement with a controllable output voltage or by a Darlington transistor with an upstream voltage divider.
  • the known circuit working like a Zener diode is of relatively simple construction, but ⁇ flexible due to the fixed switching point of a Zener diode.
  • the known active clamping circuit which works with a voltage divider and Darlington transistor, is relatively complex. In both known circuits, which are provided for controlling the switch-off behavior of an electromagnetic consumer, the energy stored in the electromagnetic consumer flows away uselessly when switched off.
  • the circuit arrangement according to the invention for supplying an electromagnetic consumer with a supply voltage, with a driver circuit arranged in series with the consumer, which can be bridged by a quenching circuit for switching off the consumer, and in which at least one energy store for receiving the energy stored in the consumer is provided in the quenching circuit has the advantage of a particularly simple structure.
  • Such an energy store can be implemented, for example, as a capacitive energy store, that is to say as a capacitor.
  • the quenching circuit advantageously has a switching device which is arranged in series between the consumer and the energy store.
  • the switching device is advantageously designed as an electronic switch which has an input connection to which a switch-off signal can be applied.
  • the accelerated switching off of the electromagnetic consumer can be variably controlled in a simple and very precise manner by means of an external switch-off signal which is generated as a function of, for example, operating parameters.
  • a switching device arranged between the energy store and the supply voltage of the consumer is advantageously provided for switching on, which, like the switching device for switching off, is preferably an electronic switch which has an input connection to which a switch-on signal can be applied.
  • the switching on or off of the electromagnetic consumer can be influenced independently of one another by means of suitable switch-on or switch-off signals.
  • the further energy store is not constantly switched on, but rather can be switched on, for example, as a function of at least one operating parameter of the circuit arrangement.
  • the further energy store can be switched on and the acceleration of the electromagnetic consumer can be further accelerated by the additional energy stored therein.
  • FIG. 1 shows a preferred embodiment of the invention with a switch-off circuit for an inductor and an additional circuit
  • FIG. 2 shows an additional switch-on circuit which can additionally be provided in the embodiment shown in FIG. 1
  • FIG. 3a shows a diagram to show the time dependency 3b the time dependence of the current flowing through an inductive consumer.
  • the exemplary embodiment is a circuit arrangement for supplying a solenoid coil of a fuel injection valve for internal combustion engines with accelerated switch-on and switch-off.
  • a unipolar driver transistor TD is provided for supplying a magnetic coil L.
  • the magnet coil L is connected to the supply voltage with a connection via a diode Dl, the anode connection of which is connected to a supply voltage U (Batt.), And with its other connection to the driver transistor TD.
  • a switching signal, not specified, is applied to the gate terminal of the driver transistor TD to control it.
  • a voltage U r is therefore provided by the driver transistor TD.
  • an extinguishing circuit framed in FIG. 1 is also connected to the connection point between the solenoid L and the driver transistor TD.
  • the driver transistor TD is bridged by the series connection of a diode D3 and a capacitor C1.
  • the capacitor C1 serves as an energy store in order to absorb the energy stored by the solenoid valve L.
  • the emitter of an NPN transistor T1 is also connected to the anode of the diode D3 connected to the magnetic coil L, the collector of which is connected to the cathode of the diode D3 and to a connection of the capacitor C1.
  • the base of the transistor T1 is led to a connection point AI, to which a switch-off signal can be applied.
  • connection point between the cathode of the diode D3 and the capacitor C1 is connected to the collector of a further NPN transistor T2, the emitter connection of which leads to the connection point between the solenoid L and the cathode of the diode Dl.
  • the base connection of the transistor T2 is at a connection point El, to which a switch-on signal can be applied.
  • the capacitor C1 which is now charged up to a voltage U, can be discharged again in order to accelerate the switching on of the magnetic coil L, specifically in that the transistor T2 switches on due to a switch-on signal supplied at its base via the connection point E1, and so in FIG 1 upper end of the magnetic coil L is supplied with current.
  • connection terminals a, b, and c are provided in FIG. 1, which can be used to connect an additional switch-on circuit with an additional energy store.
  • This additional circuit is shown in Figure 2.
  • connection points a, b, c are used for connection to the corresponding connection points according to FIG. 1.
  • the anode of a diode D4 is connected to the connection point b, the cathode of which is connected to a further energy store, one Capacitor C2, is connected, the other connection of which is led to the connection point c.
  • the collector of a further switching transistor T3 is connected to the connection point between diode D4 and capacitor C2, the emitter of which is connected to connection point a and thus to the common connection of diode D1 and solenoid coil L in FIG.
  • the base connection of the switching transistor T3 leads to a connection point E2, to which a switch-on control voltage can be applied. This can be time-synchronous with the switch-on control voltage supplied to the base of the transistor T2 from FIG.
  • FIG. 3a shows the time dependence of the voltage on the energy storage capacitor (C1 or C2) as a dashed line and, with a solid line, the limit voltage U G from FIG. 1.
  • the inductive consumer L is the solenoid of an injection valve.
  • the capacitor C1 in FIG. 1 can be charged, for example, in a locking position of the cam of the injection valve, since in such a locking position the solenoid valve L has no defined work task.
  • the capacitor C1 can also be charged in the holding current region of the magnet coil L, a clocked holding current being used, the value of which is greater than the value IH u al, t. , mi.n the minimum, to hold the
  • Solenoid valve L necessary current.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ignition Installations For Internal Combustion Engines (AREA)

Abstract

Montage destiné à fournir une tension d'alimentation à un récepteur électromagnétique et comportant, outre un circuit d'excitation relié en série au récepteur et pouvant être shunté par un circuit de remise à zéro pour la coupure du récepteur, au moins un accumulateur d'énergie dans le circuit de remise à zéro, cet accumulateur servant à recevoir l'énergie accumulée dans le récepteur.
PCT/DE1988/000377 1987-10-12 1988-06-24 Montage servant a accelerer l'alimentation d'un recepteur electromagnetique Ceased WO1989003579A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP3734415.3 1987-10-12
DE19873734415 DE3734415A1 (de) 1987-10-12 1987-10-12 Schaltungsanordnung zur beschleunigung der versorgung eines elektromagnetischen verbrauchers

Publications (1)

Publication Number Publication Date
WO1989003579A1 true WO1989003579A1 (fr) 1989-04-20

Family

ID=6338115

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1988/000377 Ceased WO1989003579A1 (fr) 1987-10-12 1988-06-24 Montage servant a accelerer l'alimentation d'un recepteur electromagnetique

Country Status (2)

Country Link
DE (1) DE3734415A1 (fr)
WO (1) WO1989003579A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996027198A1 (fr) * 1995-03-02 1996-09-06 Robert Bosch Gmbh Dispositif servant a la commande d'au moins un consommateur electromagnetique

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3904605A1 (de) * 1989-02-16 1990-08-23 Bosch Gmbh Robert Schaltungsanordnung und verfahren fuer das beschleunigte schalten von elektromagnetischen verbrauchern
DE4229538C2 (de) * 1992-09-04 2002-10-24 Bosch Gmbh Robert Schaltungsanordnung zur Ansteuerung eines elektromagnetischen Verbrauchers
DE4413240A1 (de) * 1994-04-16 1995-10-19 Bosch Gmbh Robert Vorrichtung und ein Verfahren zur Ansteuerung eines elektromagnetischen Verbrauchers
DE4413546A1 (de) * 1994-04-19 1995-10-26 Walter Marks Gleichstrom-Steuerschaltung
DE19706247B4 (de) * 1997-02-18 2005-05-19 Burgert, Markus Schaltungsanordnung zur Steuerung von Elektromagneten und Regelung des Spulenstroms
EP1108120B1 (fr) 1998-08-13 2002-04-10 Siemens Aktiengesellschaft Dispositif pour commander un appareil de reglage
DE10202279A1 (de) * 2002-01-22 2003-08-07 Siemens Ag Steuerschaltung für einen Aktor

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2062387A1 (de) * 1970-12-18 1972-07-06 Siemens Ag Schaltungsanordnung zur Schnellerregung bzw. -entregung von elektrischen Magnetschaltern, wie Relais, Schützen, Magnetventilen oder dergleichen
DE2235310A1 (de) * 1971-08-02 1973-02-22 Ncr Co Elektrische steuerschaltung fuer induktive verbraucher
DE2716367A1 (de) * 1977-04-13 1978-10-19 Siemens Ag Schutzbeschaltung fuer einen transistor
DE3203987A1 (de) * 1982-02-05 1983-10-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zum schalten von induktivitaeten
DE3528104C1 (en) * 1985-08-06 1987-01-22 Bosch Gmbh Robert Protective circuit for an electronic component
DE3603368C1 (en) * 1986-01-31 1987-06-25 Licentia Gmbh Circuit arrangement for a turn-off limiting network in gate-turn-off-type semiconductor components

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3327393A1 (de) * 1983-07-29 1985-02-14 Robert Bosch Gmbh, 7000 Stuttgart Steuereinrichtung zum schnelleren schalten eines elektromagnetischen verbrauchers, insbesondere in verbindung mit brennkraftmaschinen
DE3702680A1 (de) * 1986-02-18 1987-10-29 Bosch Gmbh Robert Verfahren und schaltung zur ansteuerung von elektromagnetischen verbrauchern

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2062387A1 (de) * 1970-12-18 1972-07-06 Siemens Ag Schaltungsanordnung zur Schnellerregung bzw. -entregung von elektrischen Magnetschaltern, wie Relais, Schützen, Magnetventilen oder dergleichen
DE2235310A1 (de) * 1971-08-02 1973-02-22 Ncr Co Elektrische steuerschaltung fuer induktive verbraucher
DE2716367A1 (de) * 1977-04-13 1978-10-19 Siemens Ag Schutzbeschaltung fuer einen transistor
DE3203987A1 (de) * 1982-02-05 1983-10-13 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zum schalten von induktivitaeten
DE3528104C1 (en) * 1985-08-06 1987-01-22 Bosch Gmbh Robert Protective circuit for an electronic component
DE3603368C1 (en) * 1986-01-31 1987-06-25 Licentia Gmbh Circuit arrangement for a turn-off limiting network in gate-turn-off-type semiconductor components

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996027198A1 (fr) * 1995-03-02 1996-09-06 Robert Bosch Gmbh Dispositif servant a la commande d'au moins un consommateur electromagnetique

Also Published As

Publication number Publication date
DE3734415A1 (de) 1989-04-20

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