JP2010281328A5 - - Google Patents

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JP2010281328A5
JP2010281328A5 JP2010157488A JP2010157488A JP2010281328A5 JP 2010281328 A5 JP2010281328 A5 JP 2010281328A5 JP 2010157488 A JP2010157488 A JP 2010157488A JP 2010157488 A JP2010157488 A JP 2010157488A JP 2010281328 A5 JP2010281328 A5 JP 2010281328A5
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Japan
Prior art keywords
fuel pump
pressure fuel
control device
pump control
combustion engine
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JP2010157488A
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JP2010281328A (en
JP5183685B2 (en
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Publication of JP2010281328A5 publication Critical patent/JP2010281328A5/ja
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Claims (8)

燃料噴射弁に供給する燃料の吐出量を、電磁アクチュエータの通電電流により制御する、筒内噴射式の内燃機関の高圧燃料ポンプ制御装置であって、
該高圧燃料ポンプ制御装置は、少なくとも前記内燃機関の回転数に基づいて、前記通電電流の電流波形の減少特性を異なるものとすることを特徴とする内燃機関の高圧燃料ポンプ制御装置。 The discharge amount of the fuel supplied to the fuel injection valve is controlled by energizing current to the electromagnetic actuator, a high-pressure fuel pump control apparatus for a cylinder injection type internal combustion engine,
The high-pressure fuel pump control device according to claim 1, wherein the high-pressure fuel pump control device has different current waveform reduction characteristics of the energization current based on at least the rotational speed of the internal combustion engine. 前記高圧燃料ポンプ制御装置は、少なくとも前記内燃機関の回転数に基づいて、前記通電電流の電流波形を切替設定する駆動信号出力手段を有し、前記駆動信号出力手段による前記電流波形の切替設定が、前記減少特性を異なるものとすることを特徴とする請求項１に記載の内燃機関の高圧燃料ポンプ制御装置。 The high-pressure fuel pump control device has drive signal output means for switching and setting the current waveform of the energization current based on at least the rotational speed of the internal combustion engine, and the switching setting of the current waveform by the drive signal output means is performed. 2. The high pressure fuel pump control device for an internal combustion engine according to claim 1 , wherein the reduction characteristics are different . 前記高圧燃料ポンプ制御装置は、ソレノイド制御信号をオン・オフすることにより、前記通電電流を制御するものであり、The high-pressure fuel pump control device controls the energization current by turning a solenoid control signal on and off,
前記通電電流の減少特性は、前記ソレノイド制御信号がオン状態よりオフ状態に変化した時点より緩やかに減少する減少特性と、速やかに減少する減少特性であり、前記回転数に基づいてその何れかを選択的に設定することを特徴とする請求項２に記載の内燃機関の高圧燃料ポンプ制御装置。The decrease characteristic of the energization current includes a decrease characteristic that gradually decreases from the time when the solenoid control signal changes from the on state to the off state, and a decrease characteristic that decreases rapidly, and either of them is determined based on the rotation speed. 3. The high-pressure fuel pump control device for an internal combustion engine according to claim 2, wherein the high-pressure fuel pump control device is selectively set. 前記高圧燃料ポンプ制御装置は、ソレノイド制御信号をオン・オフすることにより、前記通電電流を制御するものであり、前記ソレノイドに通電する通電電流の電流波形モードを選択することにより、前記電流波形の減少特性を異なるものとし、これにより、前記高圧燃料ポンプの駆動方法を選択する駆動方法選択手段を有しており、The high-pressure fuel pump control device controls the energization current by turning a solenoid control signal on and off, and selects a current waveform mode of the energization current to be energized to the solenoid. It has different reduction characteristics, thereby having a drive method selection means for selecting a drive method of the high-pressure fuel pump,
前記駆動方法選択手段は、前記電流波形モードとして、The drive method selection means, as the current waveform mode,
前記ソレノイド制御信号がオン状態からオフ状態にしたときに、前記速やかに減少する減少特性となる即低下モードと、When the solenoid control signal is switched from an on state to an off state, an immediate lowering mode that becomes a decreasing characteristic that decreases rapidly,
前記ソレノイド制御信号がオン状態からオフ状態にしたときに、前記即低下モードの電流波形よりも緩やかに減少する減少特性となる緩低下モードと、When the solenoid control signal is turned from an on state to an off state, a gradual decrease mode that has a decrease characteristic that decreases more gradually than the current waveform of the immediate decrease mode;
を前記回転数に基づいて選択することを特徴とする請求項１に記載の内燃機関の高圧燃料ポンプ制御装置。2. The high-pressure fuel pump control device for an internal combustion engine according to claim 1, wherein: is selected based on the number of revolutions. 前記ソレノイド制御信号が、所定周期、所定幅でオン・オフを繰り返すことにより、前記緩やかに減少する減少特性を有した電流波形にすることを特徴とする請求項３または４に記載の内燃機関の高圧燃料ポンプ制御装置。5. The internal combustion engine according to claim 3, wherein the solenoid control signal has a current waveform having a gradually decreasing decrease characteristic by repeatedly turning on and off at a predetermined cycle and a predetermined width. High pressure fuel pump control device. 前記電流波形が、異なる電源電圧による成分を含むことを特徴とする請求項１から５の何れか一項に記載の内燃機関の高圧燃料ポンプ制御装置。6. The high-pressure fuel pump control device for an internal combustion engine according to claim 1, wherein the current waveform includes components due to different power supply voltages. 前記通電電流の電流波形の減少特性を異なるものとする際に、前記回転数に加え、ソレノイド制御信号の出力タイミング、バッテリ電圧のいずれか一つを用いて前記減少特性を異なるものとすることを特徴とする請求項１から６の何れか一項に記載の内燃機関の高圧燃料ポンプ制御装置。When making the reduction characteristics of the current waveform of the energization current different, the reduction characteristics are made different using any one of the output timing of the solenoid control signal and the battery voltage in addition to the rotation speed. The high-pressure fuel pump control device for an internal combustion engine according to any one of claims 1 to 6, wherein the control device is a high-pressure fuel pump control device. 前記ソレノイド制御信号のオン時間に応じて前記ソレノイドに通電する時間を設定することを特徴とする請求項３から７の何れか一項に記載の内燃機関の高圧燃料ポンプ制御装置。8. The high-pressure fuel pump control device for an internal combustion engine according to claim 3, wherein a time for energizing the solenoid is set in accordance with an on-time of the solenoid control signal. 9.
JP2010157488A 2010-07-12 2010-07-12 High pressure fuel pump control device for internal combustion engine Expired - Fee Related JP5183685B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010157488A JP5183685B2 (en) 2010-07-12 2010-07-12 High pressure fuel pump control device for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010157488A JP5183685B2 (en) 2010-07-12 2010-07-12 High pressure fuel pump control device for internal combustion engine

Related Parent Applications (1)

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JP2008200452A Division JP4696148B2 (en) 2008-08-04 2008-08-04 High pressure fuel pump control device for internal combustion engine

Publications (3)

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JP2010281328A JP2010281328A (en) 2010-12-16
JP2010281328A5 true JP2010281328A5 (en) 2011-02-17
JP5183685B2 JP5183685B2 (en) 2013-04-17

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JP2010157488A Expired - Fee Related JP5183685B2 (en) 2010-07-12 2010-07-12 High pressure fuel pump control device for internal combustion engine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014009632A (en) * 2012-06-29 2014-01-20 Mazda Motor Corp High pressure fuel pump device of engine
JP6044366B2 (en) * 2013-01-30 2016-12-14 株式会社デンソー High pressure pump control device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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JP4172107B2 (en) * 1999-08-06 2008-10-29 株式会社デンソー Solenoid valve drive
JP3846268B2 (en) * 2001-10-31 2006-11-15 いすゞ自動車株式会社 Common rail fuel injection control device
JP3900903B2 (en) * 2001-11-22 2007-04-04 株式会社デンソー Accumulated fuel injection system
JP4081308B2 (en) * 2002-06-20 2008-04-23 株式会社日立製作所 High pressure fuel pump control device for internal combustion engine
DE102004016554B4 (en) * 2004-04-03 2008-09-25 Robert Bosch Gmbh Method and device for controlling a solenoid valve

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