EP1185773B1 - Verfahren und vorrichtung zur ansteuerung eines kraftstoffeinspritzventils - Google Patents

Verfahren und vorrichtung zur ansteuerung eines kraftstoffeinspritzventils Download PDF

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Publication number
EP1185773B1
EP1185773B1 EP01915007A EP01915007A EP1185773B1 EP 1185773 B1 EP1185773 B1 EP 1185773B1 EP 01915007 A EP01915007 A EP 01915007A EP 01915007 A EP01915007 A EP 01915007A EP 1185773 B1 EP1185773 B1 EP 1185773B1
Authority
EP
European Patent Office
Prior art keywords
phase
booster
solenoid
valve
voltage
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.)
Expired - Lifetime
Application number
EP01915007A
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German (de)
English (en)
French (fr)
Other versions
EP1185773A1 (de
Inventor
Rolf Reischl
Andreas Eichendorf
Ulf Pischke
Juergen Eckhardt
Klaus Mueller
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 EP1185773A1 publication Critical patent/EP1185773A1/de
Application granted granted Critical
Publication of EP1185773B1 publication Critical patent/EP1185773B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • 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
    • F02D2041/2003—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
    • F02D2041/2003—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
    • F02D2041/2013—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 voltage source

Definitions

  • the invention relates to a method and a device for controlling a solenoid valve, in particular for Fuel injection in an internal combustion engine, wherein the activation phase of the solenoid valve in a tightening phase, while a valve needle of the solenoid valve by a first current flowing through a solenoid of the same is brought to open and in a holding phase is divided, while the valve needle in the open Condition by a second, lower by the magnetic coil flowing current is maintained and wherein at least once at the beginning of the suit phase, a booster phase is activated, in which a pulse-shaped booster current a booster capacitor charged to a high voltage or another power source through the Magnetic coil flows.
  • US 4,479,161 shows a circuit arrangement and a method for driving one or more solenoid valves. It is between a holding and a suit phase distinguished. During the tightening phase, the solenoid valve is boosted Voltage generator subjected to an increased voltage. During the suit phase a current control, which determines the times at which the solenoid valve with the booster voltage is applied.
  • the current reaches a starting current level I A , through which the valve needle of the solenoid valve can attract.
  • the booster voltage U BOOST which is connected to the solenoid valve during the booster phase B 1 , is much greater than the battery voltage U 1 .
  • the starting current level I A is regulated by switching the battery voltage U BATT on the solenoid several times.
  • the tightening phase T A follows first a short freewheeling phase or a quick extinction during which the current through the solenoid of the injector decreases rapidly, and reaches a holding current level I H , which during the holding phase T H by repeated pulse-shaped connection of the battery voltage U BATT to a desired level is regulated.
  • a freewheeling phase or quick extinguishing at the end of the current through the solenoid is completely reduced.
  • FIG. 2 shows the case where the valve needle can not attract ⁇ U BATT (FIG. 1) during the tightening phase T A because of too low a battery voltage U BATT2 (FIG. 2).
  • ⁇ U BATT FIG. 1
  • U BATT2 FIG. 2
  • Figure 2 shows that the current I falls very quickly through the solenoid and the control range of the attraction current control is not achieved and thus a safe opening of the solenoid valve is no longer guaranteed.
  • the level of the current through the injection valve should remain as high as possible during the entire opening movement of the valve needle in the starting phase T A.
  • this high current level producible long booster phase over the entire tightening phase is not useful because of the high energy extraction from the internal booster capacitor.
  • the booster phase serves to achieve a high current level as quickly as possible, with a large proportion of the booster energy being converted into eddy currents at the beginning of the starting phase T A.
  • the booster phase B 1 is stopped in the prior art under certain operating conditions, the valve current is driven out of the battery and decreases. This means that during the actual flight phase, that is the phase during which the valve needle is moving, the magnetic force has already dropped again from its maximum value. This means poor dynamics of the solenoid valve.
  • a control of a solenoid valve is known in which as follows is proceeded.
  • the current flow is closed by closing a switch released by the consumer. This causes a current increase to a so-called Starting current.
  • the current is applied to this starting current adjusted.
  • the solenoid valve reaches its new end position, the current is reduced to a so-called Holding current lowered.
  • the electricity will turn by opening and Closing the switch regulated.
  • the consumer is only with a supply voltage connected. The current by opening and closing the switching means to different current values regulated.
  • first booster impulse after the Beginning of the suit phase activated first booster impulse further booster impulse at the end or immediately after Flight phase of the valve needle to be activated.
  • the structure of the Magnetic force can be varied freely in time. This leads to a reduction of eddy current formation, and the Boosterenergie can depending on temporal needs of the solenoid valve be supplied. This can cause the tearing of the Valve needle of the solenoid valve from the lower attachment point assisted, the needle flight accelerates and stop bounce be suppressed at the top stop of the valve needle.
  • the graph of Figure 3A shows a first embodiment of the method according to the invention, in which at a relatively low battery voltage U BATT takes place Zweufachboosterung .
  • a further booster pulse B 21 is activated, which, as a comparison with the deflection X of the valve needle representing FIG. 3B immediately makes clear, during the flight phase f of Valve needle takes place.
  • the broken line in FIG. 3A of the current through the magnet coil is avoided, so that the control range of the tightening current control is achieved despite the low battery voltage U BATT and a reliable opening of the valve is ensured. So can be held high by the two-time boosting even at low battery voltage U BATT the current level during the tightening phase T A, thereby safely opening the valve.
  • Figure 3C shows a second embodiment of the driving method according to the invention, in which immediately after the flight phase after the second booster pulse B 21, a third booster pulse B 22 is activated, which suppresses PrelLen p the valve needle at the top stop.
  • a further booster pulse or more booster pulses during the holding phase T H can be activated if due to a high ohmic resistance in the circuit itself, the holding current I H can no longer be applied from the battery.
  • the driving method shown in the figure becomes preferably by a device for controlling a Solenoid valve for fuel injection into an internal combustion engine, the driving phase of the solenoid valve in a tightening phase, during which a valve needle of Solenoid valve through a first by a magnetic coil the same flowing current is opened and divided into a holding phase during which the Valve needle in the open state by a second, lower current flowing through the solenoid current is held, and at least once at the beginning of Suit phase a booster phase activated and thereby one pulsed booster current from one to one high Voltage charged booster capacitor or from one other source of current flows through the solenoid, carried out the means of activating several Booster impulses at selectable times within the Driving phase of the solenoid valve has.
  • These activating means may be connected to measuring means for measuring at least the starting current intensity I A , the holding current intensity I H , the battery voltage U BATT of the supply battery, the booster voltage U BOOST and the booster current intensity I BOOST .
  • the inventive method allows except the Ensuring the operation of a high-pressure injection valve at low battery voltage by activating several Booster impulses and thereby raising the current level, allowing a secure opening of the high pressure injector is guaranteed, a more economical and variable use of the boost energy by adding through the Multiple booster reduces the eddy current and Boosterenergie depending on temporal need available is provided. This allows the tearing of the Support valve needle from its lower stop point the needle flight speed up and stop bounce at the top Suppress stop of valve needle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
EP01915007A 2000-03-22 2001-02-09 Verfahren und vorrichtung zur ansteuerung eines kraftstoffeinspritzventils Expired - Lifetime EP1185773B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10014228A DE10014228A1 (de) 2000-03-22 2000-03-22 Verfahren und Vorrichtung zur Ansteuerung eines Kraftstoffeinspritzventils
DE10014228 2000-03-22
PCT/DE2001/000499 WO2001071174A1 (de) 2000-03-22 2001-02-09 Verfahren und vorrichtung zur ansteuerung eines kraftstoffeinspritzventils

Publications (2)

Publication Number Publication Date
EP1185773A1 EP1185773A1 (de) 2002-03-13
EP1185773B1 true EP1185773B1 (de) 2005-08-31

Family

ID=7635912

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01915007A Expired - Lifetime EP1185773B1 (de) 2000-03-22 2001-02-09 Verfahren und vorrichtung zur ansteuerung eines kraftstoffeinspritzventils

Country Status (8)

Country Link
US (1) US6785112B2 (ko)
EP (1) EP1185773B1 (ko)
JP (1) JP4418616B2 (ko)
KR (1) KR100757565B1 (ko)
BR (1) BR0105317A (ko)
DE (2) DE10014228A1 (ko)
ES (1) ES2245352T3 (ko)
WO (1) WO2001071174A1 (ko)

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DE50107464D1 (de) * 2000-02-16 2006-02-02 Bosch Gmbh Robert Verfahren und schaltungsanordnung zum betrieb eines magnetventils
JP2002237410A (ja) * 2001-02-08 2002-08-23 Denso Corp 電磁弁駆動回路
FR2826200B1 (fr) * 2001-06-15 2004-09-17 Sagem Procede d'alimentation d'un equipement electrique
JP2004129376A (ja) * 2002-10-02 2004-04-22 Tokyo Weld Co Ltd 電磁駆動機構の動作制御方法
WO2005093239A1 (en) * 2004-03-29 2005-10-06 Mitron Oy Method and device for controlling the fuel supply in a motor
DE102004063079A1 (de) 2004-12-28 2006-07-06 Robert Bosch Gmbh Verfahren zum Betrieb einer Brennkraftmaschine
US7013876B1 (en) * 2005-03-31 2006-03-21 Caterpillar Inc. Fuel injector control system
DE102006016892A1 (de) * 2006-04-11 2007-10-25 Robert Bosch Gmbh Verfahren zur Steuerung wenigstens eines Magnetventils
EP1903201B1 (en) * 2006-09-20 2017-04-12 Delphi International Operations Luxembourg S.à r.l. Valve control strategy and controller
DE102007023898A1 (de) * 2007-05-23 2008-11-27 Robert Bosch Gmbh Verfahren zum Ansteuern eines Einspritzventils
GB2450523A (en) * 2007-06-28 2008-12-31 Woodward Governor Co Method and means of controlling a solenoid operated valve
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
DE102007045513B4 (de) * 2007-09-24 2015-03-19 Continental Automotive Gmbh Verfahren und Vorrichtung zum Zumessen eines Fluids
JP5053868B2 (ja) * 2008-01-07 2012-10-24 日立オートモティブシステムズ株式会社 燃料噴射制御装置
JP4815502B2 (ja) * 2009-03-26 2011-11-16 日立オートモティブシステムズ株式会社 内燃機関の制御装置
JP5198496B2 (ja) * 2010-03-09 2013-05-15 日立オートモティブシステムズ株式会社 内燃機関のエンジンコントロールユニット
DE102010027989A1 (de) * 2010-04-20 2011-10-20 Robert Bosch Gmbh Verfahren zum Betreiben einer Brennkraftmaschine, bei dem ein Magnetventil zum Einspritzen von Kraftstoff betätigt wird
JP5698938B2 (ja) 2010-08-31 2015-04-08 日立オートモティブシステムズ株式会社 燃料噴射装置の駆動装置及び燃料噴射システム
JP5880296B2 (ja) * 2012-06-06 2016-03-08 株式会社デンソー 燃料噴射弁の駆動装置
DE102013201410B4 (de) * 2013-01-29 2018-10-11 Mtu Friedrichshafen Gmbh Verfahren zum Betreiben einer Brennkraftmaschine sowie entsprechende Brennkraftmaschine
JP5975899B2 (ja) * 2013-02-08 2016-08-23 日立オートモティブシステムズ株式会社 燃料噴射装置の駆動装置
DE102014002261A1 (de) * 2014-02-20 2015-08-20 Man Diesel & Turbo Se Steuergerät einer Brennkraftmaschine
DE102015217945A1 (de) * 2014-10-21 2016-04-21 Robert Bosch Gmbh Vorrichtung zur Steuerung von wenigstens einem schaltbaren Ventil
GB2534172A (en) * 2015-01-15 2016-07-20 Gm Global Tech Operations Llc Method of energizing a solenoidal fuel injector for an internal combustion engine
DE102015211402B3 (de) * 2015-06-22 2016-08-04 Continental Automotive Gmbh Verfahren zum Erzeugen eines Ansteuersignals für eine Endansteuervorrichtung für Einspritzventile
DE102016219375B3 (de) * 2016-10-06 2017-10-05 Continental Automotive Gmbh Betreiben eines Kraftstoffinjektors mit hydraulischem Anschlag bei reduziertem Kraftstoffdruck
DE102016219888B3 (de) 2016-10-12 2017-11-23 Continental Automotive Gmbh Betreiben eines Kraftstoffinjektors mit hydraulischem Anschlag
DE102016219881B3 (de) * 2016-10-12 2017-11-23 Continental Automotive Gmbh Betreiben eines Kraftstoffinjektors mit hydraulischem Anschlag
JP6717176B2 (ja) * 2016-12-07 2020-07-01 株式会社デンソー 噴射制御装置
DE102016224682A1 (de) * 2016-12-12 2018-06-14 Robert Bosch Gmbh Verfahren zur Erwärmung eines Gasventils, insbesondere eines Kraftstoffinjektors
JP7006204B2 (ja) 2017-12-05 2022-01-24 株式会社デンソー 噴射制御装置
CN108979874B (zh) * 2018-07-24 2020-09-29 潍柴动力股份有限公司 一种电磁阀的控制方法、控制装置及燃气发动机
WO2020070902A1 (ja) 2018-10-03 2020-04-09 株式会社クロスフォー 装身具用留め具
KR102068137B1 (ko) * 2019-06-28 2020-01-21 대한민국(국방부 해군참모총장) 해군 함정용 mtu 엔진의 이동식 인젝터 검사기
DE102020200679A1 (de) * 2020-01-22 2021-07-22 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Öffnen einer Ventilanordnung für einen Treibstofftank
DE102020200682A1 (de) * 2020-01-22 2021-07-22 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren zum Betreiben eines elektromagnetisch ansteuerbaren Tankventils, Computerprogramm und Steuergerät

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Publication number Priority date Publication date Assignee Title
DE2828678A1 (de) * 1978-06-30 1980-04-17 Bosch Gmbh Robert Verfahren und einrichtung zum betrieb eines elektromagnetischen verbrauchers, insbesondere eines einspritzventils in brennkraftmaschinen
US4479161A (en) * 1982-09-27 1984-10-23 The Bendix Corporation Switching type driver circuit for fuel injector
US4604675A (en) * 1985-07-16 1986-08-05 Caterpillar Tractor Co. Fuel injection solenoid driver circuit

Also Published As

Publication number Publication date
EP1185773A1 (de) 2002-03-13
ES2245352T3 (es) 2006-01-01
US20030010325A1 (en) 2003-01-16
DE10014228A1 (de) 2001-09-27
US6785112B2 (en) 2004-08-31
BR0105317A (pt) 2002-02-19
WO2001071174A1 (de) 2001-09-27
KR20020005047A (ko) 2002-01-16
JP4418616B2 (ja) 2010-02-17
JP2003528251A (ja) 2003-09-24
DE50107260D1 (de) 2005-10-06
KR100757565B1 (ko) 2007-09-10

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