EP2524387B1 - Verfahren und steuereinheit zum steuern eines elektrischen bauelementes - Google Patents

Verfahren und steuereinheit zum steuern eines elektrischen bauelementes Download PDF

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Publication number
EP2524387B1
EP2524387B1 EP11700531.4A EP11700531A EP2524387B1 EP 2524387 B1 EP2524387 B1 EP 2524387B1 EP 11700531 A EP11700531 A EP 11700531A EP 2524387 B1 EP2524387 B1 EP 2524387B1
Authority
EP
European Patent Office
Prior art keywords
effect transistor
field
winding
quenching
linear mode
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.)
Active
Application number
EP11700531.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2524387A1 (de
Inventor
Harald Schueler
Sven Hartmann
Stefan Tumback
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
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Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2524387A1 publication Critical patent/EP2524387A1/de
Application granted granted Critical
Publication of EP2524387B1 publication Critical patent/EP2524387B1/de
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0851—Circuits or control means specially adapted for starting of engines characterised by means for controlling the engagement or disengagement between engine and starter, e.g. meshing of pinion and engine gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N15/00—Other power-operated starting apparatus; Component parts, details, or accessories, not provided for in, or of interest apart from groups F02N5/00 - F02N13/00
    • F02N15/02—Gearing between starting-engines and started engines; Engagement or disengagement thereof
    • F02N15/04—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears
    • F02N15/06—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement
    • F02N15/067—Gearing between starting-engines and started engines; Engagement or disengagement thereof the gearing including disengaging toothed gears the toothed gears being moved by axial displacement the starter comprising an electro-magnetically actuated lever
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/44—Magnetic coils or windings

Definitions

  • the present invention relates to the control of electrical components such as relays, transformers or solenoids which have an inductive load.
  • Such an electrical component is the switching and engagement relay of a starter of a motor vehicle.
  • a switching and / or engagement relay may be configured with a main winding and a quenching winding.
  • the main winding assumes the function of a pull-in winding for the entry of the engagement relay.
  • the second winding can act as a holding winding during operation. For switching both windings, a respective field effect transistor is provided.
  • an electrical component has two coils, wherein when the magnetic flux is extinguished, the energy is substantially carried by a field effect transistor.
  • the invention is based on the knowledge that the energy released during erasure is distributed over at least two field-effect transistors, so that an overload of a single field-effect transistor is avoided.
  • the fact that the energy for canceling the coil current can be distributed to two field effect transistors can the two field effect transistors are dimensioned smaller. Furthermore, advantageously eliminates additional components for deletion of the coil current.
  • a control unit for controlling an electrical component comprising a main winding, a trained as a switch of the main winding first field effect transistor for switching the main winding, a quenching winding for clearing the inductive load of the main winding when turning off the main winding and one as a switch of the quenching winding formed second field effect transistor for switching the quenching winding.
  • the control device is suitable for operating the first field effect transistor in linear operation and the second field effect transistor in linear operation or in a clocked operation between the linear operation and a disconnected state during a shutdown of the quenching winding.
  • the control unit can be implemented in terms of hardware or hardware and software technology.
  • the control unit can be designed as a device, for example as a microprocessor, as a device or as part of a system, for example an automotive control device.
  • the controller may be embodied as a computer program product, as a function, as a routine, as part of a program code, or as an executable object.
  • the electrical component is preferably a switching and / or switch-on relay of a motor vehicle.
  • the first field-effect transistor in the linear region and the second field-effect transistor are operated in the linear region or in the pulsed region during the switching-off operation of the erasing winding after the main winding has been extinguished and before the extinguishing winding is switched off.
  • the energy released in erasing the main winding can be distributed to the two field effect transistors without the risk of destroying one of the field effect transistors when the erase winding is turned off.
  • the first field effect transistor and the second field effect transistor are operated in the linear mode during the switch-off operation.
  • the two contact resistances or drain / source resistances of the two field-effect transistors can be regulated in such a way that the input of the cut-off energies during the entire turn-off process in both field-effect transistors is the same.
  • first field effect transistor and the second field effect transistor are driven during the shutdown such that the drain / source resistors of the first field effect transistor and the second field effect transistor are formed such that during the shutdown
  • the energy contributions dissipated via the two field-effect transistors are preferably the same.
  • the first field effect transistor in the linear range and the second field effect transistor in clocked operation are operated with a specific drain / source resistance during the turn-off operation.
  • the clock of the clocked operation is set such that the magnetic flux is uniformly reduced and the currents through the main winding and the extinguishing winding steadily decrease.
  • the currents can increase again.
  • the clocked operation has pulses and pulse pauses for linear operation.
  • a fixed duty cycle is advantageously not necessarily a fixed duty cycle.
  • the control unit is adapted to operate the electrical component in an operating state with the first field effect transistor switched on and the second field effect transistor switched off, in an erased state with the first field effect transistor switched off and the second field effect transistor switched on, in a shutdown state with the first field effect transistor in the linear region and to operate the second field effect transistor in the linear range or a clocked operation and in an idle state with the first field effect transistor switched off and the second field effect transistor switched off.
  • the control unit is advantageously configured to control the first FET by means of a first control signal and the second FET by means of a second control signal.
  • the effect of the invention is based on that current is transferred from the quenching winding to the main winding by switching on the main winding before switching off the quenching winding. This distributes the shutdown energy to both FETs.
  • the contact resistance of the first FET for the main winding is not sufficiently small, the effect can be enhanced by short-circuiting the erase winding.
  • Fig. 1 a schematic block diagram of the device 1 according to the invention is shown.
  • the device 1 has a main winding 2, a first FET 3, an erase winding 4, a second FET 5 and a core 6.
  • the main winding 2 has a predetermined inductance L 1 , a resistance R 1 and a predetermined number of turns n 1 .
  • the erase winding 3 has a predetermined inductance L 2 , a predetermined resistance R 2 and a predetermined number of turns n 2 .
  • the main winding 2 and the quenching winding 4 are arranged around the common core 6, in particular wound.
  • the first FET 3 is arranged as a switch for switching the main winding 2.
  • the second FET 5 is arranged as a switch for switching the erase winding 4.
  • the extinguishing winding 4 is set up in particular for extinguishing the inductive load of the main winding 2 when the main winding 2 is switched off.
  • the component 1 has a control unit 7.
  • the control unit 7 is adapted to the first FET 3 in the linear mode 8 and the second FET 5 in linear mode 8 or in a clocked operation 10 between the linear mode 8 and a switched-off state 9 at a shutdown 12 of the extinguishing coil 4 to operate (see Fig. 4 and 6 ).
  • the first FET 3 is operated in the linear mode 8 and the second FET 5 in the linear mode 8 or in the clocked operation 10 during the turn-off 12 of the quenching coil 4 after the erasing operation of the main winding 2 and before turning off the quenching winding 4.
  • the control unit controls the first FET 3 by means of a first control signal S 1 and the second FET 5 by means of a second control signal S 2 .
  • FIG. 2 a schematic flow diagram of a first embodiment of the method according to the invention.
  • Fig. 2 has the method steps 201 and 202 and is with reference to Fig. 1 described.
  • the electronic component 1 is formed with a main winding 2, a first FET 3 designed as a switch of the main winding 2 for switching the main winding 2, a quenching winding 4 for extinguishing the inductive load of the main winding 2, and a switch for the quenching winding 4 second FET 5 for switching the quenching winding 4 is provided.
  • the first FET 3 is operated in the linear mode 8 and the second FET 5 in the linear mode 8 or in a clocked mode 10 between the linear mode 8 and a switched-off state 9 in the turn-off operation 12 of the extinguishing coil 4.
  • the switch-off process 12 is after the deletion process 11 and before the time of actual turn-off 13 of the two FETs 3 and 5 (see Fig. 4 and 6 ).
  • Fig. 3 shows a schematic flow diagram of a second embodiment of the method according to the invention.
  • the embodiment of Fig. 3 has the method steps 301 to 303 and is with reference to Fig. 4 described.
  • Fig. 4 shows the time course of the drain / source resistors RS1 and RS2 of the first FETs 3 and the second FETs 5 in the method Fig. 3 ,
  • the time axis t is the Fig. 4 in the erase state 11, shutdown state 12 and idle state 13 of the device 1 divided.
  • the component 1 is operated in the extinguishing state 11.
  • the first FET 3 is in a switched-off state 9, that is, the drain / source resistor RS1 is high-impedance.
  • the second FET 3 is in a turned-on state 14, that is, the drain / source resistor RS2 is low-resistance, so that the energy released when the main winding 2 is turned off can be erased via the erase winding 4. This is referred to in particular as a holding state.
  • the component 1 is operated in the switch-off state 12.
  • the first FET 3 is operated in the linear mode 8.
  • the second FET 5 is operated in the linear mode 8.
  • step 303 the electrical device 1 is operated in the quiescent state 13, i. both FETs 3 and 5 are in the off state 9.
  • Fig. 5 shows a schematic flow diagram of a third embodiment of the method according to the invention.
  • the embodiment of Fig. 5 has the process steps 501 to 503 and is with reference to Fig. 6 described.
  • Fig. 6 shows the time course of the drain / source resistors RS1 and RS2 of the first FETs 3 and the second FETs 5 in the method Fig. 5 ,
  • the time axis t is the Fig. 6 also in the erase state 11, shutdown state 12 and idle state 13 of the device 1 divided.
  • the component 1 is operated in the extinguished state 11.
  • the first FET 3 is in a switched-off state 9, that is, the drain / source resistor RS1 is high-impedance.
  • the second FET 3 is in an on state 14, that is, the drain / source resistor RS2 is low in resistance. This is referred to in particular as a holding state.
  • the component 1 is operated in the switch-off state 12.
  • the first FET 3 is operated in the linear mode 8.
  • the second FET 5 is operated in a clocked operation 10.
  • In the clocked operation 10 is alternately switched between the linear operation 8 and a disconnected state 9 back and forth.
  • step 503 the electrical device 1 is operated in the quiescent state 13, i. both FETs 3 and 5 are in the off state 9.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electronic Switches (AREA)
  • Dc-Dc Converters (AREA)
EP11700531.4A 2010-01-14 2011-01-13 Verfahren und steuereinheit zum steuern eines elektrischen bauelementes Active EP2524387B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102010000883 2010-01-14
DE102010000887 2010-01-14
DE102010029231A DE102010029231A1 (de) 2010-01-14 2010-05-21 Elektrisches Bauelement und Verfahren zum Steuern eines elektrischen Bauelementes
PCT/EP2011/050366 WO2011086112A1 (de) 2010-01-14 2011-01-13 Verfahren und steuereinheit zum steuern eines elektrischen bauelementes

Publications (2)

Publication Number Publication Date
EP2524387A1 EP2524387A1 (de) 2012-11-21
EP2524387B1 true EP2524387B1 (de) 2014-03-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11700531.4A Active EP2524387B1 (de) 2010-01-14 2011-01-13 Verfahren und steuereinheit zum steuern eines elektrischen bauelementes

Country Status (6)

Country Link
US (1) US8760836B2 (zh)
EP (1) EP2524387B1 (zh)
JP (1) JP5372266B2 (zh)
CN (1) CN102725813B (zh)
DE (1) DE102010029231A1 (zh)
WO (1) WO2011086112A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010003485A1 (de) * 2010-03-30 2011-10-06 Robert Bosch Gmbh Schaltvorrichtung, Startvorrichtung und Verfahren einer elektromagnetischen Schaltvorrichtung
DE102014218010A1 (de) * 2014-09-09 2016-03-10 Robert Bosch Gmbh Vorrichtung und Verfahren zum Erzeugen eines Signals mit einem einstellbaren Tastverhältnis
DE102019130431A1 (de) * 2019-11-12 2021-05-12 Seg Automotive Germany Gmbh Verfahren zum Bestimmen eines Ladezustands einer Fahrzeugbatterie eines Fahrzeugs

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441810A (en) 1966-12-21 1969-04-29 Plessey Airborne Corp Multiple-mode solid-state time delay apparatus including charge-monitoring timing circuits
JPS5828078A (ja) * 1981-08-11 1983-02-18 Nachi Fujikoshi Corp ソレノイドオペレ−トバルブ
JP2559434Y2 (ja) * 1991-06-26 1998-01-19 いすゞ自動車株式会社 電磁駆動バルブ
US5909352A (en) * 1996-05-29 1999-06-01 S.J. Electro Systems, Inc. Alternator circuit for use in a liquid level control system
JP3545622B2 (ja) * 1998-12-24 2004-07-21 三菱電機株式会社 始動電動機のスイッチ制御装置
JP2003021433A (ja) * 2001-07-11 2003-01-24 Saginomiya Seisakusho Inc 流体制御弁の駆動装置及び空気調和機
AU2002365525A1 (en) * 2001-11-29 2003-06-10 Matsushita Electric Works, Ltd. Elecromagnetic switching apparatus
JP2004092754A (ja) * 2002-08-30 2004-03-25 Nikki Co Ltd 電磁弁
DE10336858A1 (de) * 2003-08-11 2005-03-24 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Elektronisches Vorschaltgerät für eine mit iterativen Spannungspulsen zu betreibende Lampe
JP4830469B2 (ja) * 2005-12-01 2011-12-07 トヨタ自動車株式会社 電磁弁の制御装置
US8023572B2 (en) * 2006-11-29 2011-09-20 Dell Products, Lp Communication interface employing a differential circuit and method of use
FR2919421B1 (fr) * 2007-07-23 2018-02-16 Schneider Electric Industries Sas Actionneur electromagnetique a au moins deux bobinages

Also Published As

Publication number Publication date
JP5372266B2 (ja) 2013-12-18
WO2011086112A1 (de) 2011-07-21
US8760836B2 (en) 2014-06-24
JP2013517414A (ja) 2013-05-16
US20130049819A1 (en) 2013-02-28
DE102010029231A1 (de) 2011-07-21
EP2524387A1 (de) 2012-11-21
CN102725813A (zh) 2012-10-10
CN102725813B (zh) 2016-01-27

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