JP4883106B2 - インジェクタ駆動装置 - Google Patents

インジェクタ駆動装置 Download PDF

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Publication number
JP4883106B2
JP4883106B2 JP2009029947A JP2009029947A JP4883106B2 JP 4883106 B2 JP4883106 B2 JP 4883106B2 JP 2009029947 A JP2009029947 A JP 2009029947A JP 2009029947 A JP2009029947 A JP 2009029947A JP 4883106 B2 JP4883106 B2 JP 4883106B2
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JP
Japan
Prior art keywords
piezoelectric element
injector
voltage
charging
abnormality
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
JP2009029947A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010185364A (ja
Inventor
達也 筧
昇 長瀬
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.)
Denso Corp
Original Assignee
Denso 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
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2009029947A priority Critical patent/JP4883106B2/ja
Priority to DE102010001820.1A priority patent/DE102010001820B4/de
Publication of JP2010185364A publication Critical patent/JP2010185364A/ja
Application granted granted Critical
Publication of JP4883106B2 publication Critical patent/JP4883106B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • 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
    • 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
    • F02D2041/2093—Output circuits, e.g. for controlling currents in command coils with means for detecting circuit failures detecting short circuits

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)
JP2009029947A 2009-02-12 2009-02-12 インジェクタ駆動装置 Active JP4883106B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009029947A JP4883106B2 (ja) 2009-02-12 2009-02-12 インジェクタ駆動装置
DE102010001820.1A DE102010001820B4 (de) 2009-02-12 2010-02-11 Ansteuervorrichtung für einen Kraftstoffeinspritzer mit piezoelektrischem Aktuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009029947A JP4883106B2 (ja) 2009-02-12 2009-02-12 インジェクタ駆動装置

Publications (2)

Publication Number Publication Date
JP2010185364A JP2010185364A (ja) 2010-08-26
JP4883106B2 true JP4883106B2 (ja) 2012-02-22

Family

ID=42338904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009029947A Active JP4883106B2 (ja) 2009-02-12 2009-02-12 インジェクタ駆動装置

Country Status (2)

Country Link
JP (1) JP4883106B2 (de)
DE (1) DE102010001820B4 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111210630A (zh) * 2020-01-14 2020-05-29 长安大学 一种基于压电路面的车辆交通状态自感知预警系统及方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5509112B2 (ja) * 2011-01-28 2014-06-04 本田技研工業株式会社 内燃機関の燃料噴射制御装置
JP5510384B2 (ja) * 2011-04-21 2014-06-04 株式会社デンソー インジェクタ駆動装置
KR101567165B1 (ko) * 2013-12-19 2015-11-09 현대자동차주식회사 인젝터 드라이버
JP6380111B2 (ja) * 2015-01-07 2018-08-29 株式会社デンソー 噴射制御装置
JP6558800B2 (ja) * 2015-09-18 2019-08-14 株式会社サタケ 圧電アクチュエータおよび圧電式バルブシステム
US11542885B2 (en) * 2018-07-03 2023-01-03 Hitachi Astemo, Ltd. Load drive circuit and load drive system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60039676D1 (de) * 2000-04-01 2008-09-11 Bosch Gmbh Robert Vorrichtung und Verfahren zur Erkennung eines Kurzschlusses zur Batteriespannung während der Ansteuerung piezoelektrischer Elemente
JP4183376B2 (ja) 2000-10-19 2008-11-19 株式会社日本自動車部品総合研究所 ピエゾアクチュエータ駆動回路および燃料噴射装置
DE10058959B4 (de) * 2000-11-28 2007-07-12 Mtu Friedrichshafen Gmbh Verfahren zur Überwachung einer Steuerschaltung
JP4348862B2 (ja) * 2000-12-22 2009-10-21 株式会社デンソー ピエゾアクチュエータの駆動装置
JP2002246667A (ja) * 2001-02-13 2002-08-30 Denso Corp ピエゾアクチュエータ駆動回路および燃料噴射装置
DE10256456A1 (de) * 2002-12-03 2004-07-15 Siemens Ag Überwachungsverfahren für einen Aktor und zugehörige Treiberschaltung
DE102004047961A1 (de) * 2004-10-01 2006-05-18 Siemens Ag Vorrichtung und Verfahren zum Ansteuern eines Piezoaktors
GB0610226D0 (en) * 2006-05-23 2006-07-05 Delphi Tech Inc Drive circuit for an injector arrangement and a diagnostic method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111210630A (zh) * 2020-01-14 2020-05-29 长安大学 一种基于压电路面的车辆交通状态自感知预警系统及方法

Also Published As

Publication number Publication date
DE102010001820A1 (de) 2010-08-19
DE102010001820B4 (de) 2019-11-28
JP2010185364A (ja) 2010-08-26

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