JP6249866B2 - 内燃機関の燃料噴射装置 - Google Patents
内燃機関の燃料噴射装置 Download PDFInfo
- Publication number
- JP6249866B2 JP6249866B2 JP2014080629A JP2014080629A JP6249866B2 JP 6249866 B2 JP6249866 B2 JP 6249866B2 JP 2014080629 A JP2014080629 A JP 2014080629A JP 2014080629 A JP2014080629 A JP 2014080629A JP 6249866 B2 JP6249866 B2 JP 6249866B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel injection
- cylinder
- drive
- injection valve
- internal combustion
- 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 - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims description 157
- 238000002347 injection Methods 0.000 title claims description 152
- 239000007924 injection Substances 0.000 title claims description 152
- 238000002485 combustion reaction Methods 0.000 title claims description 31
- 230000009467 reduction Effects 0.000 claims description 11
- 230000001629 suppression Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 description 21
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 208000022859 zygodactyly type 1 Diseases 0.000 description 5
- PSHHYQWGIGYWHP-UHFFFAOYSA-N 2-[8-[bis(dimethylamino)methylideneamino]naphthalen-1-yl]-1,1,3,3-tetramethylguanidine Chemical compound C1=CC(N=C(N(C)C)N(C)C)=C2C(N=C(N(C)C)N(C)C)=CC=CC2=C1 PSHHYQWGIGYWHP-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 101000596041 Homo sapiens Plastin-1 Proteins 0.000 description 3
- 102100035181 Plastin-1 Human genes 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000006180 TBST buffer Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 208000018670 synpolydactyly type 1 Diseases 0.000 description 1
Images
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
- G01L23/10—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by pressure-sensitive members of the piezoelectric type
-
- 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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
-
- 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
- F02D2041/2048—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit said control involving a limitation, e.g. applying current or voltage limits
-
- 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
- F02D2041/2058—Output circuits, e.g. for controlling currents in command coils characterised by the control of the circuit using information of the actual current value
-
- 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
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Analytical Chemistry (AREA)
- Electromagnetism (AREA)
Description
図1は本発明の一実施形態にかかる内燃機関の制御装置の構成を示す図である。4気筒の直噴内燃機関(以下「エンジン」という)1の各気筒には、筒内圧PCYLを検出する筒内圧センサ2が設けられている。本実施形態では、筒内圧センサ2は、図2に示すように各気筒に設けられる燃料噴射弁7と一体に構成されている。なお、図1は制御系の構成を説明するための図であり、筒内圧センサ2と燃料噴射弁7とは別々に示されている。
抵抗R1,R2の一端は電流検出部32に接続されており、抵抗R1,R2の両端電圧によって、燃料噴射弁の駆動時に駆動ソレノイドL1〜L4を流れる電流値が検出される。
スイッチ素子S5は開弁指令信号SD1が高レベルとなる期間TSD1においてオンするように開弁指令信号SD1によってオンオフ制御が行われる。スイッチ素子S6〜S8も対応する燃料噴射弁の開弁作動時に同様に開弁指令信号SD2〜SD4によってオンオフ制御が行われる。開弁指令信号SD1〜SD4は、制御CPUから供給される。
2 筒内圧センサ
4 筒内圧検出電子制御ユニット
5 エンジン制御電子制御ユニット
7 燃料噴射弁
30 燃料噴射弁駆動部(ノイズ抑制手段、接地インピーダンス低減手段、電流制限手段、制御部)
41,42 ノイズ除去回路(ノイズ抑制手段、接地インピーダンス低減手段、電流制限手段、制御部)
L1〜L4 駆動ソレノイド
Claims (3)
- 複数の気筒を有する内燃機関の、前記複数気筒のそれぞれの燃焼室内に燃料を噴射する燃料噴射弁と、前記燃料噴射弁の先端部に装着され、前記燃焼室内の圧力を検出する筒内圧センサとを備える内燃機関の燃料噴射装置において、
前記複数気筒に含まれる2つの気筒の組である気筒対に対応して設けられた気筒対駆動回路であって、前記気筒対を構成する2つ気筒に装着される2つの燃料噴射弁の駆動ソレノイドに駆動電流を供給する気筒対駆動回路と、
前記気筒対駆動回路と前記駆動ソレノイドとの間に設けられたノイズ抑制手段とを備え、
前記ノイズ抑制手段は、2つの駆動ソレノイドに接続された2つの出力端子と、アースとの間の接地インピーダンスを低減するための接地インピーダンス低減手段を有し、
前記接地インピーダンス低減手段は、前記2つの燃料噴射弁の一方を駆動するときに前記2つの燃料噴射弁の他方の駆動ソレノイドに接続された出力端子と、アースとの間の接地インピーダンスを低減し、
前記ノイズ抑制手段は、前記気筒対駆動回路に接続される入力端子と前記2つの出力端子との間に設けられた電流制限手段を備え、該電流制限手段は、前記2つの燃料噴射弁の一方を駆動するときに前記2つの燃料噴射弁の他方の駆動ソレノイドに接続された出力端子と前記入力端子との間の電流を制限することを特徴とする内燃機関の燃料噴射装置。 - 前記接地インピーダンス低減手段は、前記2つの燃料噴射弁の一方を駆動するときに前記2つの燃料噴射弁の他方の駆動ソレノイドに接続された出力端子の前記接地インピーダンスをほぼ「0」とすることを特徴とする請求項1に記載の内燃機関の燃料噴射装置。
- 前記電流制限手段は、前記入力端子と前記2つの出力端子との間に配置された2つの絶縁ゲートバイポーラトランジスタと、該2つの絶縁ゲートバイポーラトランジスタのオンオフ制御を行う制御部とによって構成され、前記制御部は、前記2つの燃料噴射弁の一方を駆動するときに前記2つの燃料噴射弁の他方の駆動ソレノイドに接続された出力端子と前記入力端子との間に配置された絶縁ゲートバイポーラトランジスタをオフ状態とし、前記一方の燃料噴射弁の駆動ソレノイドに接続された出力端子と前記入力端子との間に配置された絶縁ゲートバイポーラトランジスタをオン状態とすることを特徴とする請求項1または2に記載の内燃機関の燃料噴射装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014080629A JP6249866B2 (ja) | 2014-04-10 | 2014-04-10 | 内燃機関の燃料噴射装置 |
US14/672,678 US9429091B2 (en) | 2014-04-10 | 2015-03-30 | Fuel injection apparatus for internal combustion engine |
DE102015206126.4A DE102015206126B4 (de) | 2014-04-10 | 2015-04-07 | Kraftstoffeinspritzvorrichtung für Verbrennungsmotor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014080629A JP6249866B2 (ja) | 2014-04-10 | 2014-04-10 | 内燃機関の燃料噴射装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015200252A JP2015200252A (ja) | 2015-11-12 |
JP6249866B2 true JP6249866B2 (ja) | 2017-12-20 |
Family
ID=54193429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014080629A Expired - Fee Related JP6249866B2 (ja) | 2014-04-10 | 2014-04-10 | 内燃機関の燃料噴射装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9429091B2 (ja) |
JP (1) | JP6249866B2 (ja) |
DE (1) | DE102015206126B4 (ja) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3254600B2 (ja) * | 1996-06-28 | 2002-02-12 | 株式会社ユニシアジェックス | 直噴式エンジンの筒内圧検出装置 |
JP2008190388A (ja) * | 2007-02-02 | 2008-08-21 | Denso Corp | 電磁弁駆動装置及び燃料噴射制御装置 |
DE102008004442B3 (de) * | 2008-01-15 | 2009-07-23 | Continental Automotive Gmbh | Verfahren und System zur Filterung eines gestörten Zylinderdrucksignals einer Zylinders einer Brennkraftmaschine |
JP5413422B2 (ja) * | 2011-08-11 | 2014-02-12 | 株式会社デンソー | 内燃機関の筒内圧検出装置 |
JP5579787B2 (ja) * | 2012-06-19 | 2014-08-27 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP6208461B2 (ja) * | 2013-04-22 | 2017-10-04 | 株式会社ケーヒン | 燃料噴射弁 |
-
2014
- 2014-04-10 JP JP2014080629A patent/JP6249866B2/ja not_active Expired - Fee Related
-
2015
- 2015-03-30 US US14/672,678 patent/US9429091B2/en active Active
- 2015-04-07 DE DE102015206126.4A patent/DE102015206126B4/de active Active
Also Published As
Publication number | Publication date |
---|---|
DE102015206126A1 (de) | 2015-10-15 |
JP2015200252A (ja) | 2015-11-12 |
DE102015206126B4 (de) | 2017-10-05 |
US9429091B2 (en) | 2016-08-30 |
US20150292458A1 (en) | 2015-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8649151B2 (en) | Injector drive circuit | |
JP3894088B2 (ja) | 燃料供給装置 | |
US9249774B2 (en) | Spark plug fouling detection for ignition system | |
US10267253B2 (en) | Fuel injection system for internal combustion engine | |
JP6358163B2 (ja) | 内燃機関の燃料噴射制御装置 | |
JP6199227B2 (ja) | 内燃機関の燃料噴射制御装置 | |
JP6756739B2 (ja) | 内燃機関用の電子点火システム | |
JP6249866B2 (ja) | 内燃機関の燃料噴射装置 | |
JP2006233891A (ja) | エンジン制御方法および装置 | |
JP6095001B2 (ja) | インジェクタ制御装置 | |
JP6337584B2 (ja) | 点火装置 | |
JP2021042698A (ja) | 噴射制御装置 | |
JP2019082150A (ja) | 燃料噴射弁の制御装置、及び燃料噴射弁の制御方法 | |
JP4329083B2 (ja) | 車載電気負荷の駆動装置 | |
JP2020094563A (ja) | 点火コイル用駆動装置及びそれを備えた点火システム | |
JP6375673B2 (ja) | 点火装置 | |
JP5890678B2 (ja) | 燃料噴射制御装置 | |
KR101354315B1 (ko) | 이중 연료 엔진용 연료전환 제어장치 | |
JP2009019778A (ja) | 発熱体の温度制御システム | |
US7367321B2 (en) | Erroneous connection detecting method of ignition devices and apparatus of the same | |
JP6406126B2 (ja) | 燃料噴射制御装置 | |
JP5741863B2 (ja) | エンジン制御装置 | |
AU2018253640A1 (en) | Method and apparatus for driving actuators with capacitive properties | |
JPWO2015118761A1 (ja) | 燃料噴射装置 | |
JP4291256B2 (ja) | 燃料噴射制御装置及び燃料噴射制御方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20161110 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20170622 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170704 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170828 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20171031 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20171121 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6249866 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R360 | Written notification for declining of transfer of rights |
Free format text: JAPANESE INTERMEDIATE CODE: R360 |
|
R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313115 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
LAPS | Cancellation because of no payment of annual fees |