JPWO2020054234A1 - インジェクタ制御装置 - Google Patents
インジェクタ制御装置 Download PDFInfo
- Publication number
- JPWO2020054234A1 JPWO2020054234A1 JP2020546740A JP2020546740A JPWO2020054234A1 JP WO2020054234 A1 JPWO2020054234 A1 JP WO2020054234A1 JP 2020546740 A JP2020546740 A JP 2020546740A JP 2020546740 A JP2020546740 A JP 2020546740A JP WO2020054234 A1 JPWO2020054234 A1 JP WO2020054234A1
- Authority
- JP
- Japan
- Prior art keywords
- injector
- driver
- current
- control device
- cutoff mechanism
- 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.)
- Granted
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Classifications
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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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
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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
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
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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
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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
- F02D41/30—Controlling fuel injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
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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
- 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
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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
- F02D2041/202—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit
- F02D2041/2044—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using pre-magnetisation or post-magnetisation of the coils
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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
- F02D2041/2086—Output circuits, e.g. for controlling currents in command coils with means for detecting circuit failures
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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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D2041/224—Diagnosis of the fuel system
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
少なくともイグニッションOFFから次のイグニッションONまでに、インジェクタへの電流供給を遮断するための遮断機構を備えるインジェクタ制御装置。
Description
図5は、本発明の第2の実施形態の回路構成、図6は図5を実施する際のタイミングチャートとなる。回路の構成としては、前期図1の電流遮断機構制御信号線120を電流遮断機構制御信号線A121と電流遮断機構制御信号線B122、に変更した構成となる。
Claims (9)
- インジェクタを駆動するためのドライバと、前記ドライバへ駆動指令を送信するプリドライバと、前記プリドライバへ制御指令を送信する演算装置と、を備えるインジェクタ制御装置において、少なくともイグニッションOFFから次のイグニッションONまでに、インジェクタへの電流供給を遮断するための遮断機構を備えるインジェクタ制御装置。
- インジェクタを駆動するためのドライバと、前記ドライバへ駆動指令を送信するプリドライバと、前記プリドライバへ制御指令を送信する演算装置と、を備えるインジェクタ制御装置において、少なくともバッテリ電源供給が途絶えてから次のイグニッションONまでに、インジェクタへの電流供給を遮断するための遮断機構を備えるインジェクタ制御装置。
- 前記遮断機構は、イグニッションONから所定期間までインジェクタへの電流供給を遮断する請求項1または2に記載のインジェクタ制御装置。
- 前記遮断機構は、クランキング前までインジェクタへの電流供給を遮断する請求項1または2に記載のインジェクタ制御装置。
- 前記遮断機構は、前記演算装置から制御指令を直接受け取る請求項1または2に記載のインジェクタ制御装置。
- 前記ドライバは、バッテリ電圧に接続される第1ドライバと、昇圧電圧に接続される第2ドライバを備え、前記遮断機構は、第1ドライバからの電流と第2ドライバからの電流の両方を遮断する請求項1または2に記載のインジェクタ制御装置。
- 前記遮断機構は、前記第1ドライバからの電流と、前記第2ドライバからの電流を独立したタイミングで遮断制御する請求項6に記載のインジェクタ制御装置。
- 前記遮断機構は、前記インジェクタの基準電位側に流れる電流を遮断する請求項1または2に記載のインジェクタ制御装置。
- 前記遮断機構は、前記演算装置から制御指令がない場合は、電流遮断状態を維持する請求項1または2に記載のインジェクタ制御装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018171084 | 2018-09-13 | ||
JP2018171084 | 2018-09-13 | ||
PCT/JP2019/029569 WO2020054234A1 (ja) | 2018-09-13 | 2019-07-29 | インジェクタ制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020054234A1 true JPWO2020054234A1 (ja) | 2021-08-30 |
JP7065195B2 JP7065195B2 (ja) | 2022-05-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020546740A Active JP7065195B2 (ja) | 2018-09-13 | 2019-07-29 | インジェクタ制御装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11486325B2 (ja) |
JP (1) | JP7065195B2 (ja) |
CN (1) | CN112654776B (ja) |
WO (1) | WO2020054234A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012106718A (ja) * | 2010-10-28 | 2012-06-07 | Denso Corp | 車両用電源供給装置 |
JP2013024111A (ja) * | 2011-07-20 | 2013-02-04 | Denso Corp | 車載制御装置 |
JP2016142208A (ja) * | 2015-02-03 | 2016-08-08 | 日立オートモティブシステムズ株式会社 | 内燃機関の燃料噴射制御装置 |
JP2018132065A (ja) * | 2018-04-27 | 2018-08-23 | 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及び制御方法 |
Family Cites Families (16)
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US4862866A (en) * | 1987-08-25 | 1989-09-05 | Marelli Autronica S.P.A. | Circuit for the piloting of inductive loads, particularly for operating the electro-injectors of a diesel-cycle internal combustion engine |
JP3353415B2 (ja) * | 1993-10-12 | 2002-12-03 | 株式会社デンソー | 蓄圧式燃料噴射装置 |
JP2005348583A (ja) * | 2004-06-07 | 2005-12-15 | Fuji Heavy Ind Ltd | 電動車両の制御装置 |
JP4984163B2 (ja) * | 2008-01-28 | 2012-07-25 | 本田技研工業株式会社 | 燃料噴射制御装置 |
DE102008054702A1 (de) * | 2008-12-16 | 2010-06-17 | Robert Bosch Gmbh | Verfahren zur Regelung eines Magnetventils einer Mengensteuerung in einer Brennkraftmaschine |
WO2014041389A1 (en) * | 2012-09-12 | 2014-03-20 | Freescale Semiconductor, Inc. | A charging circuit, an inductive load control circuit, an internal combustion engine, a vehicle and a method of charging a bootstrap storage element |
JP2014088859A (ja) * | 2012-10-31 | 2014-05-15 | Denso Corp | 燃料加熱制御装置 |
WO2015104921A1 (ja) | 2014-01-09 | 2015-07-16 | 日立オートモティブシステムズ株式会社 | 車載用電子制御装置 |
KR101601432B1 (ko) * | 2014-06-17 | 2016-03-10 | 현대자동차주식회사 | 인젝터 구동 제어 장치 |
US10087872B2 (en) * | 2015-11-18 | 2018-10-02 | Infineon Technologies Ag | System and method for a synchronized driver circuit |
WO2017168935A1 (ja) * | 2016-03-30 | 2017-10-05 | 日立オートモティブシステムズ株式会社 | 制御回路 |
JP6203326B1 (ja) | 2016-04-22 | 2017-09-27 | 三菱電機株式会社 | 交流回転機の制御装置 |
US10673423B2 (en) * | 2016-04-28 | 2020-06-02 | Texas Instruments Incorporated | Fast turn-on power switch |
US11079730B2 (en) * | 2016-12-05 | 2021-08-03 | Hitachi Automotive Systems, Ltd. | Control device comprising a processor and an IC |
US11486324B2 (en) * | 2018-10-19 | 2022-11-01 | Hitachi Astemo, Ltd. | Electronic control unit |
US11905906B2 (en) * | 2018-11-30 | 2024-02-20 | Hitachi Astemo, Ltd. | Load drive device and method of controlling fuel injection device |
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2019
- 2019-07-29 US US17/266,039 patent/US11486325B2/en active Active
- 2019-07-29 WO PCT/JP2019/029569 patent/WO2020054234A1/ja active Application Filing
- 2019-07-29 JP JP2020546740A patent/JP7065195B2/ja active Active
- 2019-07-29 CN CN201980051453.8A patent/CN112654776B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012106718A (ja) * | 2010-10-28 | 2012-06-07 | Denso Corp | 車両用電源供給装置 |
JP2013024111A (ja) * | 2011-07-20 | 2013-02-04 | Denso Corp | 車載制御装置 |
JP2016142208A (ja) * | 2015-02-03 | 2016-08-08 | 日立オートモティブシステムズ株式会社 | 内燃機関の燃料噴射制御装置 |
JP2018132065A (ja) * | 2018-04-27 | 2018-08-23 | 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及び制御方法 |
Also Published As
Publication number | Publication date |
---|---|
CN112654776A (zh) | 2021-04-13 |
WO2020054234A1 (ja) | 2020-03-19 |
CN112654776B (zh) | 2022-12-27 |
JP7065195B2 (ja) | 2022-05-11 |
US11486325B2 (en) | 2022-11-01 |
US20210310436A1 (en) | 2021-10-07 |
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