JP4196820B2 - 点火装置 - Google Patents
点火装置 Download PDFInfo
- Publication number
- JP4196820B2 JP4196820B2 JP2003421343A JP2003421343A JP4196820B2 JP 4196820 B2 JP4196820 B2 JP 4196820B2 JP 2003421343 A JP2003421343 A JP 2003421343A JP 2003421343 A JP2003421343 A JP 2003421343A JP 4196820 B2 JP4196820 B2 JP 4196820B2
- Authority
- JP
- Japan
- Prior art keywords
- current
- temperature
- control circuit
- switch
- igbt
- 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
- 238000001514 detection method Methods 0.000 claims description 33
- 239000004065 semiconductor Substances 0.000 claims description 22
- 238000004804 winding Methods 0.000 description 19
- 230000020169 heat generation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P3/00—Other installations
- F02P3/02—Other installations having inductive energy storage, e.g. arrangements of induction coils
- F02P3/04—Layout of circuits
- F02P3/05—Layout of circuits for control of the magnitude of the current in the ignition coil
- F02P3/051—Opening or closing the primary coil circuit with semiconductor devices
-
- 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
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
- F02D2041/2075—Type of transistors or particular use thereof
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Description
以下、本発明の一実施形態が適用された車両用の点火装置について説明する。図1に、本実施形態における点火装置1の回路構成図を示し、この図に基づいて説明する。
本発明の第2実施形態について説明する。本実施形態は、第1実施形態に示した点火装置1の構成を若干異なるものとしたものであり、主な構成については第1実施形態と同様である。したがって、第1実施形態と異なる部分についてのみ説明する。
Claims (3)
- 点火コイル(4)に流されるコイル電流を制御するための点火装置であって、
前記コイル電流のメイン電流を流すメインスイッチング部と前記メイン電流を検出する為にこのメイン電流に応じたセンス電流を流すセンススイッチング部とを有する半導体スイッチング素子(5)と温度センサ(7)とが共に形成されたスイッチIC(2)と、
前記電流検出セル側の半導体スイッチング素子(5)に流れる前記センス電流が入力され、前記半導体スイッチング素子(5)に流れる前記コイル電流が所定値となるように、前記半導体スイッチング素子(5)に加えられる制御信号を調整する定電流制御回路(9)と、前記温度センサ(7)にて前記スイッチIC(2)の温度が所定温度に達したことが検出されると前記半導体スイッチング素子(5)を遮断するように前記制御信号を調整する過昇温停止回路(10)とが備えられた制御IC(3)とを備え、
前記スイッチIC(2)と前記制御回路IC(3)とを別々のチップにより構成して離間配置し、前記制御回路IC(3)の温度に応じた温度特性を有する前記定電流制御回路(9)から前記半導体スイッチング素子(5)に加えられる前記制御信号は、前記温度センサによって検出される前記スイッチIC(2)の温度と前記制御回路IC(3)の温度との温度差に基づいて調整されることを特徴とする点火装置。 - 前記定電流制御回路(9)は、前記スイッチIC(2)の方が前記制御回路IC(3)よりも温度が高くなる程、前記コイル電流を制御する前記所定値が小さくなるように、前記半導体スイッチング素子(5)に加えられる前記制御信号を調整するようになっていることを特徴とする請求項1に記載の点火装置。
- 前記スイッチIC(2)には、前記センス電流が流される正の温度特性を有した電流検出抵抗(12)が前記半導体スイッチング素子(5)に接続されるように備えられ、前記定電流制御回路(9)には、前記半導体スイッチング素子(5)と前記電流検出抵抗(12)との間(13)の電位が入力されるように構成されていることを特徴とする請求項1または2に記載の点火装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003421343A JP4196820B2 (ja) | 2003-12-18 | 2003-12-18 | 点火装置 |
US11/007,239 US7095182B2 (en) | 2003-12-18 | 2004-12-09 | Ignition control apparatus for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003421343A JP4196820B2 (ja) | 2003-12-18 | 2003-12-18 | 点火装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005180771A JP2005180771A (ja) | 2005-07-07 |
JP4196820B2 true JP4196820B2 (ja) | 2008-12-17 |
Family
ID=34708715
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003421343A Expired - Fee Related JP4196820B2 (ja) | 2003-12-18 | 2003-12-18 | 点火装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7095182B2 (ja) |
JP (1) | JP4196820B2 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4905472B2 (ja) * | 2008-03-11 | 2012-03-28 | 株式会社デンソー | グロープラグ制御装置及びグロープラグ制御システム |
JP2012048552A (ja) * | 2010-08-27 | 2012-03-08 | On Semiconductor Trading Ltd | スイッチング素子の制御回路 |
US8933646B2 (en) * | 2012-12-20 | 2015-01-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Protection circuit for backlight driver circuit, backlight module, and LCD device |
CN103187707A (zh) * | 2013-04-01 | 2013-07-03 | 谷润雨 | 车用电源总开关短路过热保护装置 |
JP6354430B2 (ja) * | 2014-08-01 | 2018-07-11 | 富士電機株式会社 | 半導体装置 |
US9766291B2 (en) * | 2014-11-06 | 2017-09-19 | Rockwell Automation Technologies Inc. | Cleaning and motor heating electromagnetic motor control switching |
US10128735B2 (en) * | 2015-08-26 | 2018-11-13 | Mitsubishi Electric Corporation | Control circuit for semiconductor switching element, and semiconductor device |
KR101703836B1 (ko) | 2015-09-22 | 2017-02-07 | 국방과학연구소 | 회로카드형 정전류 점화장치 |
US10728960B2 (en) * | 2017-03-16 | 2020-07-28 | Infineon Technologies Ag | Transistor with integrated active protection |
US11128110B2 (en) * | 2017-12-18 | 2021-09-21 | Semiconductor Components Industries, Llc | Methods and apparatus for an ignition system |
JP7056160B2 (ja) * | 2018-01-16 | 2022-04-19 | 株式会社デンソー | 内燃機関の点火装置 |
KR102094149B1 (ko) | 2018-10-22 | 2020-03-27 | 한화디펜스 주식회사 | 정전류 점화장치 |
US11274645B2 (en) * | 2019-10-15 | 2022-03-15 | Semiconductor Components Industries, Llc | Circuit and method for a kickback-limited soft shutdown of a coil |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2542677C3 (de) * | 1975-09-25 | 1978-11-23 | Robert Bosch Gmbh, 7000 Stuttgart | Zündeinrichtung für eine Brennkraftmaschine |
JP2843194B2 (ja) * | 1992-02-19 | 1999-01-06 | 三菱電機株式会社 | 内燃機関制御装置 |
JP3794720B2 (ja) * | 1994-01-26 | 2006-07-12 | 株式会社デンソー | 内燃機関の点火制御装置 |
JP3216972B2 (ja) | 1995-08-04 | 2001-10-09 | 株式会社日立製作所 | 内燃機関の点火装置 |
JP3484133B2 (ja) | 2000-03-03 | 2004-01-06 | 株式会社日立製作所 | 内燃機関用点火装置および内燃機関点火用1チップ半導体 |
-
2003
- 2003-12-18 JP JP2003421343A patent/JP4196820B2/ja not_active Expired - Fee Related
-
2004
- 2004-12-09 US US11/007,239 patent/US7095182B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2005180771A (ja) | 2005-07-07 |
US20050146822A1 (en) | 2005-07-07 |
US7095182B2 (en) | 2006-08-22 |
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