WO2007108082A1 - Electronic-control controller for diesel engine - Google Patents

Electronic-control controller for diesel engine Download PDF

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Publication number
WO2007108082A1
WO2007108082A1 PCT/JP2006/305493 JP2006305493W WO2007108082A1 WO 2007108082 A1 WO2007108082 A1 WO 2007108082A1 JP 2006305493 W JP2006305493 W JP 2006305493W WO 2007108082 A1 WO2007108082 A1 WO 2007108082A1
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WO
WIPO (PCT)
Prior art keywords
fuel
diesel engine
control means
signal
vehicle system
Prior art date
Application number
PCT/JP2006/305493
Other languages
French (fr)
Japanese (ja)
Inventor
Matsukata Okuno
Masaaki Takase
Yukio Hirose
Motoakira Watanabe
Toshihiro Nakayabu
Original Assignee
Ishikawa Prefecture
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.)
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Publication date
Application filed by Ishikawa Prefecture filed Critical Ishikawa Prefecture
Priority to PCT/JP2006/305493 priority Critical patent/WO2007108082A1/en
Publication of WO2007108082A1 publication Critical patent/WO2007108082A1/en

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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
    • F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
    • F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
    • F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
    • F02D11/105—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the function converting demand to actuation, e.g. a map indicating relations between an accelerator pedal position and throttle valve opening or target engine torque
    • 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
    • F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
    • F02D2200/602—Pedal position
    • 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

Definitions

  • the present invention relates to an electronic control controller for reusing a diesel engine when a vehicle equipped with a diesel engine becomes an accident vehicle or when the vehicle is scrapped for some reason.
  • Vehicles such as trucks and passenger cars include gasoline engines that use gasoline as fuel and diesel engines that mainly use light oil as fuel.
  • Diesel engines are highly efficient in Europe and other countries as an engine that suppresses global warming because carbon dioxide emissions are 20 to 40% less because diesel engines are more efficient than gasoline engines and consume less fuel. Yes.
  • Diesel engines can be used not only for mounting on other vehicles by separating them from the vehicle body, but also for ships and generators, even if a vehicle with higher durability than a gasoline engine has an accident or scrapped vehicle. To be considered.
  • An engine control device is provided to operate the diesel engine efficiently, but the control device mounted on the vehicle is designed as a part of the vehicle system, such as safety and economics when driving a car.
  • the various sensor information attached to each part of the car is also taken into the engine control device, so that the system works on the safety side even when an abnormal signal of each part or disconnection of the connection occurs, and the engine is stopped.
  • the diesel engine is separated from the vehicle, the system itself cannot be established, and there is a technical problem that the engine cannot be started again.
  • an automobile manufacturer should control the diesel engine by analyzing information obtained from sensors in each system such as the exhaust gas sensor, travel speed sensor, and torque sensor. It has become. Therefore, it is completely compatible with biofuels obtained from plant materials, etc., which are being studied recently, which are difficult to change the type of fuel, and emulsified fuels that include additives for auxiliary combustion or high combustion efficiency added to petroleum fuels. It was something that could not be done.
  • An object of the present invention is to provide an electronic control controller for reusing a diesel engine separated from an existing vehicle.
  • Electronic governor type fuel control is a method that electronically controls the opening timing and amount of opening by opening and closing the rack in response to a digital signal by switching rack control using a linear DC motor.
  • Fuel control by the common rail method and the rotary pump method has a fuel discharge device called an injector.
  • the common rail method has a fuel pump called a supply pump in the common rail and a plurality of injectors connected to the common rail. The pressure is controlled so as to be constant.
  • each injector the timing of discharging the fuel into the cylinder corresponding to each engine piston and the discharge amount are electronically controlled.
  • the rotary pump system supplies fuel directly to each injector using a distributed fuel pump.
  • an accelerator signal reading means and a fuel control means that is controlled by an electric signal obtained based on the accelerator signal reading means and is independent of the vehicle system are provided. If so, the diesel engine separated from the vehicle can be started and operated.
  • the term “irrelevant to the vehicle system” means that it is not affected by signals that are not directly related to engine start-up and operation, such as one sensor signal other than the accelerator.
  • each fuel control method (electronic governor method, common rail method, rotary pump method) is output to the control signal terminal in accordance with the engine speed while the engine is actually operating.
  • the CPU Central Processing Unit
  • the CPU Central Processing Unit arithmetic processing program captures the electrical signal that controls the fuel ejection timing and the electrical signal that controls the fuel ejection amount, thereby allowing the It is possible to control the operation of the fuel pump device and the indicator device based on the electrical signal processed and output by the CPU corresponding to the signal.
  • the present invention includes an accelerator signal reading means and a fuel control means, and controls the engine by converting the fuel signal to the fuel control means unrelated to the vehicle system based on the electric signal read by the accelerator signal reading means. It is a thing to do.
  • the fuel control means unrelated to the vehicle system directly measures the drive signal applied to the diesel engine in response to the accelerator amount signal at the diesel engine incorporated in the vehicle system. It is characterized in that the accelerator signal and the drive signal are related regardless of the vehicle system.
  • biofuels cannot be used in vehicle systems, so it is better to measure and control engine control data that actually uses biofuels using a monitor engine.
  • the fuel control means includes an accelerator signal reading means and a fuel control means, and the fuel control means controls the diesel engine independently of the vehicle system based on the accelerator signal.
  • the fuel It has a pump control means and a fuel discharge rack control means.
  • an accelerator signal reading means and a fuel control means are provided, and the fuel control means controls the diesel engine independently of the vehicle system based on the accelerator signal. It is characterized by having a pump control means and an indicator control means.
  • the diesel engine can be separated from the vehicle system and can be started up and controlled independently, so that the diesel engine can be reused.
  • control software in advance for each type of fuel pump and injector, it is also possible to parameterize external factors using those software.
  • the present invention can also control the diesel engine according to the type of fuel to be used.
  • FIG. 1 shows a configuration diagram in which an electronic controller according to the present invention is applied to an electronic governor control type engine.
  • FIG. 2 shows a configuration diagram in which the electronic controller according to the present invention is applied to an injector control type engine.
  • FIG. 3 shows an example of a drive circuit diagram of an electronic governor solenoid.
  • FIG. 4 Shows an example of a drive circuit diagram of a rotary solenoid.
  • FIG.5 An example of injector ON-OFF pattern is shown.
  • FIG.6 An example of the injector drive circuit diagram is shown.
  • the electronic controller 10 shown in FIG. 1 is an example corresponding to an electronic governor control type.
  • the electronic controller 10 is a drive for discharging a predetermined amount of fuel to a diesel engine (EG) 1 at a predetermined timing. It has drive signal output means for outputting signals, rack position confirmation means for receiving the rack position confirmation signal indicating the opening / closing amount of the fuel discharge rack from the EG 1 side, and engine speed confirmation means for receiving the signal indicating the engine speed. And have.
  • the accelerator signal (ac) 2 is read by the accelerator signal reading means 3 and the accelerator signal and the external parameters 6 such as the fuel type are read and the CPU processing (calculation processing) is performed.
  • a drive signal is sent to the engine electronic governor solenoid via the fuel pump control means 11 and the fuel discharge rack control means 12 based on the signal.
  • the electronic governor solenoid is proportionally controlled by the linear motor drive according to the accelerator amount of the accelerator. Has been.
  • the electronic governor solenoid 15 receives the EG side rack position confirmation signal (ENGV) and outputs it to the engine side (GOVPWM) and PID control (Proportional Control, Integral Control, and Derivative Control are combined).
  • ENGV EG side rack position confirmation signal
  • GOVPWM engine side
  • PID control Proportional Control, Integral Control, and Derivative Control are combined.
  • the fuel discharge timing is also PID-controlled with the cycle signal (PSC) that received the engine speed confirmation signal to the drive circuit of the rotary solenoid 16 as shown in FIG.
  • PSC cycle signal
  • the fuel pump control means 21 supplies the fuel with PID control so that the pressure is constant in a high-pressure fuel temporary storage device called a common rail.
  • the injector is mounted on the engine side so as to inject fuel into each cylinder, and the common rail and the injector are connected as a fuel supply flow path.
  • the injector supplies fuel into the cylinder at high pressure and high speed. If fuel is supplied into the cylinder at once, the combustion propagation speed of the fuel becomes slow, Therefore, the injector control means 22 supplies the fuel in several times with a pulse signal.
  • FIG. 5 shows an example of a fuel supply pattern by an injector
  • FIG. 6 shows a drive circuit diagram in the case of an 8-cylinder engine.
  • the drive circuit diagram shown in FIG. 6 shows that INJ1, 3, 5, and 7 are odd cylinders, and INJ2, 4, 6, and 8 are even cylinders.
  • the waveform A in Fig. 5 applies a high voltage of about 150 V for about 60 x s in order to increase the response speed of the first fuel discharge.
  • a + Bx total is about 2 ms.
  • the drive signal applied to the injector is output corresponding to the accelerator signal.
  • the external CPU connection unit 6 the fuel pump control parameter units 13 and 23, the fuel discharge rack control parameter unit 14, An injector control parameter section 24 is provided.
  • the drive signal is an electrical signal necessary only for engine operation related to the sensor signal of each component in the vehicle system.
  • the area and intensity of the pulse waveform signal change according to the amount of accelerator depression, and this is parameterized. This makes it easy to reuse diesel engines.
  • the parameters necessary for outputting a predetermined drive signal are defined as biofuels.
  • the type of fuel such as Yon fuel
  • the electronic controller according to the present invention can be started and operated by the diesel engine alone when the diesel engine incorporated in the vehicle system is separated from the vehicle due to a vehicle accident or the like. If the fuel system matches, it can be used as a controller when mounted on other vehicles as a used diesel engine.

Abstract

Intended is to provide an electronic controller for reusing a diesel engine separated from an existing vehicle. The diesel engine comprises acceleration signal reading means and fuel control means, and is controlled by making a conversion into the fuel control means independent of the vehicle system on the basis of an electric signal read by the acceleration signal reading means. The fuel control means is incorporated into the vehicle system. The electronic controller is characterized in that the acceleration signal and a drive signal are correlated to each other independently of the vehicle system by directly measuring the drive signal applied to the diesel engine in a manner to correspond to the acceleration signal reading means.

Description

明 細 書  Specification
ディーゼノレエンジンの電子制御コントローラ  Electronic control controller for diesel engine
技術分野  Technical field
[0001] この発明は、ディーゼルエンジン搭載車両が事故車両となったり、何らかの理由によ り車両が廃車になった場合に、このディーゼルエンジンを再利用するための電子制 御コントローラに関する。 背景技術  TECHNICAL FIELD [0001] The present invention relates to an electronic control controller for reusing a diesel engine when a vehicle equipped with a diesel engine becomes an accident vehicle or when the vehicle is scrapped for some reason. Background art
[0002] トラックや乗用車等の車両にはガソリンを燃料とするガソリンエンジンと、主に軽油を 燃料とするディーゼルエンジンとがある。  [0002] Vehicles such as trucks and passenger cars include gasoline engines that use gasoline as fuel and diesel engines that mainly use light oil as fuel.
ディーゼルエンジンは、ガソリンエンジンに比べて熱効率が良ぐ燃料消費量が少な いために、二酸化炭素の排出量が 2〜4割も少なぐ地球温暖化を抑制するエンジン として欧州等では高い評価を得ている。  Diesel engines are highly efficient in Europe and other countries as an engine that suppresses global warming because carbon dioxide emissions are 20 to 40% less because diesel engines are more efficient than gasoline engines and consume less fuel. Yes.
また、ディーゼルエンジンはガソリンエンジンに比べて耐用性が高ぐ車両が事故、 廃車になっても車両のボディから分離することで他の車両に搭載することのみならず 、船舶や発電機等に転用することが検討されている。  Diesel engines can be used not only for mounting on other vehicles by separating them from the vehicle body, but also for ships and generators, even if a vehicle with higher durability than a gasoline engine has an accident or scrapped vehicle. To be considered.
[0003] しかし、車両から分離したディーゼルエンジンを再利用に供するためには次のような 技術的課題があった。 [0003] However, in order to reuse the diesel engine separated from the vehicle, there are the following technical problems.
ディーゼルエンジンを効率良ぐ作動するためにエンジン制御装置が設けられている が、車両搭載の制御装置は自動車の走行時の安全性、経済性等車両システムの一 部として設計されている。  An engine control device is provided to operate the diesel engine efficiently, but the control device mounted on the vehicle is designed as a part of the vehicle system, such as safety and economics when driving a car.
従って、 自動車の各部品に取り付けられた各種センサー情報もエンジン制御装置に 取り込まれるようになつているために各部品の異常信号あるいは結線の断線によって もシステムがセーフティサイドに働き、エンジンが停止した状態を保持するように作用 し、ディーゼルエンジンを車両から分離すると、システムそのものが成立しなくなるた め、エンジンを再度起動できなレ、技術的課題があった。  Therefore, the various sensor information attached to each part of the car is also taken into the engine control device, so that the system works on the safety side even when an abnormal signal of each part or disconnection of the connection occurs, and the engine is stopped. When the diesel engine is separated from the vehicle, the system itself cannot be established, and there is a technical problem that the engine cannot be started again.
[0004] また、従来のディーゼルエンジンは自己着火時の不完全燃焼を防止し、窒素酸化物 の排出を低減するために電子制御装置を日本では 1995年以降採用しているが自 動車メーカー、車種により電子制御装置の仕様が異なり、ディーゼルエンジンの再利 用をさらに困難にしている。 [0004] In addition, conventional diesel engines have adopted an electronic control unit since 1995 in Japan to prevent incomplete combustion during self-ignition and reduce nitrogen oxide emissions. The specifications of electronic control units differ depending on the vehicle manufacturer and vehicle type, making it more difficult to reuse diesel engines.
自動車メーカでは、ディーゼルエンジンと電子制御装置を車両システムに組み込む ために、排ガス部のセンサー、走行速度センサー、トルクセンサー等各系統のセンサ 一にて得られる情報を解析してディーゼルエンジンを制御するようになっている。 そのため、燃料の種類の変更も難しぐ最近検討されている植物材料等から得られる バイオ燃料や、石油燃料に助燃用あるいは燃焼高効率用の添加剤を加えたェマル ジョン化燃料等に全く対応することができないものであった。  In order to incorporate a diesel engine and an electronic control unit into a vehicle system, an automobile manufacturer should control the diesel engine by analyzing information obtained from sensors in each system such as the exhaust gas sensor, travel speed sensor, and torque sensor. It has become. Therefore, it is completely compatible with biofuels obtained from plant materials, etc., which are being studied recently, which are difficult to change the type of fuel, and emulsified fuels that include additives for auxiliary combustion or high combustion efficiency added to petroleum fuels. It was something that could not be done.
発明の開示  Disclosure of the invention
発明が解決しょうとする課題  Problems to be solved by the invention
[0005] 本発明は、既設車両から分離したディーゼルエンジンを再利用するための電子制御 コントローラの提供を目的とする。  An object of the present invention is to provide an electronic control controller for reusing a diesel engine separated from an existing vehicle.
課題を解決するための手段  Means for solving the problem
[0006] ディーゼルエンジンの燃料制御方式には、電子ガバナ方式と称するタイプと、コモン レール方式及びロータリーポンプ方式のインジェクターを用いるタイプとがある。 電子ガバナ方式による燃料制御とは、リニア一 DCモータを用いた開閉ラック制御に よりデジタル信号を受けてラックの開閉による吐出口の開きタイミングと開き量を電子 制御するものである。 [0006] As fuel control systems for diesel engines, there are a type called an electronic governor system and a type using an injector of a common rail system and a rotary pump system. Electronic governor type fuel control is a method that electronically controls the opening timing and amount of opening by opening and closing the rack in response to a digital signal by switching rack control using a linear DC motor.
コモンレール方式とロータリーポンプ方式による燃料制御は、インジェクターと称する 燃料吐出装置を有しており、コモンレール方式はコモンレールに複数のインジェクタ 一を連結してあるとともにコモンレール内にサプライポンプと称する燃料ポンプで所 定の圧力に昇圧一定になるように制御されてレ、る。  Fuel control by the common rail method and the rotary pump method has a fuel discharge device called an injector. The common rail method has a fuel pump called a supply pump in the common rail and a plurality of injectors connected to the common rail. The pressure is controlled so as to be constant.
各インジヱクタ一においては、各エンジンピストンに対応したシリンダー内に燃料を吐 出するタイミングとこの吐出量とが電子制御されている。  In each injector, the timing of discharging the fuel into the cylinder corresponding to each engine piston and the discharge amount are electronically controlled.
ロータリーポンプ方式は、分配型燃料ポンプにより直接各インジェクターに燃料供給 するものである。  The rotary pump system supplies fuel directly to each injector using a distributed fuel pump.
従って、アクセル信号読み取り手段と、このアクセル信号読み取り手段に基づいて得 られた電気信号により制御された、車両システムとは無関係の燃料制御手段とを備え ていれば、車両から分離されたディーゼルエンジンを起動及び運転制御できることに なる。 Accordingly, an accelerator signal reading means and a fuel control means that is controlled by an electric signal obtained based on the accelerator signal reading means and is independent of the vehicle system are provided. If so, the diesel engine separated from the vehicle can be started and operated.
なお、ここで車両システムと無関係とは、ァクセレーターを除いた例えば他のセンサ 一信号等、エンジンの起動及び作動とは直接関係ない信号に影響を受けないという 意味である。 Note that the term “irrelevant to the vehicle system” means that it is not affected by signals that are not directly related to engine start-up and operation, such as one sensor signal other than the accelerator.
この場合に、予め、燃料制御方式 (電子カバナ一方式、コモンレール方式、ロータリ 一ポンプ方式)毎に、実際にエンジン作動している状態でエンジン回転数に応じて制 御信号端子に出力されている電気信号をオシロスコープ等で直接測定することで CP U (Central Processing Unit)の演算処理プログラムに燃料の吐出タイミングを制 御する電気信号と燃料の吐出量を制御する電気信号とを取り込むことにより、ァクセ ル信号に対応して CPUにて処理及び出力した電気信号に基づいて燃料ポンプ装 置、インジヱクタ一装置を作動制御できるようになる。 In this case, each fuel control method (electronic governor method, common rail method, rotary pump method) is output to the control signal terminal in accordance with the engine speed while the engine is actually operating. By measuring the electrical signal directly with an oscilloscope or the like, the CPU (Central Processing Unit) arithmetic processing program captures the electrical signal that controls the fuel ejection timing and the electrical signal that controls the fuel ejection amount, thereby allowing the It is possible to control the operation of the fuel pump device and the indicator device based on the electrical signal processed and output by the CPU corresponding to the signal.
従って本発明は、アクセル信号読み取り手段と、燃料制御手段とを備え、アクセル信 号読み取り手段にて読み取られた電気信号に基づいて車両システムとは無関係の 燃料制御手段に変換することでエンジンを制御するものであることを特徴とする。 また、車両システムとは無関係の燃料制御手段は、車両システムに組み込まれたディ ーゼルエンジンにおレ、て、アクセル量信号に対応してディーゼルエンジンに印加さ れたドライブ信号を直接的に測定することで車両システムとは無関係にアクセル信号 とドライブ信号とを関係付けたものであることを特徴とする。 Therefore, the present invention includes an accelerator signal reading means and a fuel control means, and controls the engine by converting the fuel signal to the fuel control means unrelated to the vehicle system based on the electric signal read by the accelerator signal reading means. It is a thing to do. The fuel control means unrelated to the vehicle system directly measures the drive signal applied to the diesel engine in response to the accelerator amount signal at the diesel engine incorporated in the vehicle system. It is characterized in that the accelerator signal and the drive signal are related regardless of the vehicle system.
本発明においては、車両システムとは無関係に燃料制御できるので軽油のみならず 植物体等から製造したバイオ燃料や、軽油及び灯油等と他の液体とをェマルジヨン 助剤とともに混合したいわゆるェマルジヨンィ匕燃料等にも対応できる。 In the present invention, since fuel control can be performed regardless of the vehicle system, biofuel produced not only from light oil but also from plant bodies, so-called emulsion fuel that mixes light oil, kerosene, and other liquids with emulsion additives, etc. Can also be supported.
なお、バイオ燃料ゃェマルジヨンィ匕燃料は車両システムにおいて使用できないのが 一般的であるのでモニターエンジンを用いて実際にバイオ燃料等を使用したェンジ ン制御データを測定してパラメータ化するとよい。 In general, biofuels cannot be used in vehicle systems, so it is better to measure and control engine control data that actually uses biofuels using a monitor engine.
燃料制御手段は、電子ガバナ制御タイプのディーゼルエンジンの場合にアクセル信 号読み取り手段と、燃料制御手段とを備え、燃料制御手段は、アクセル信号に基づ いて車両システムとは無関係にディーゼルエンジンを制御するものであって、燃料ポ ンプ制御手段と燃料吐出用ラック制御手段とを有していることを特徴とする。 In the case of an electronic governor control type diesel engine, the fuel control means includes an accelerator signal reading means and a fuel control means, and the fuel control means controls the diesel engine independently of the vehicle system based on the accelerator signal. The fuel It has a pump control means and a fuel discharge rack control means.
また、インジェクター制御タイプの場合は、アクセル信号読み取り手段と、燃料制御手 段とを備え、燃料制御手段は、アクセル信号に基づいて車両システムとは無関係に ディーゼルエンジンを制御するものであって、燃料ポンプ制御手段とインジヱクタ一 制御手段を有してレ、ることを特徴とする。  In addition, in the case of the injector control type, an accelerator signal reading means and a fuel control means are provided, and the fuel control means controls the diesel engine independently of the vehicle system based on the accelerator signal. It is characterized by having a pump control means and an indicator control means.
発明の効果  The invention's effect
[0007] 本発明による電子制御コントローラを用いることでディーゼルエンジンを車両システ ムから分離し、単独で起動及び運転制御ができるのでディーゼルエンジンの再利用 が可能になる。  [0007] By using the electronic control controller according to the present invention, the diesel engine can be separated from the vehicle system and can be started up and controlled independently, so that the diesel engine can be reused.
この場合に燃料ポンプの種類及びインジェクターの種類毎に予め制御ソフトを作成 することでそれらのソフトにて外部因子をパラメーター化することも可能になる。  In this case, by creating control software in advance for each type of fuel pump and injector, it is also possible to parameterize external factors using those software.
これにより、ディーゼルエンジンが搭載されていた元の車両に関係なぐ車両から分 離したディーゼルエンジンを単独で運転制御する際に軽油のみならずバイオ燃料や ェマルジヨン燃料にも対応できる。  This makes it possible to handle not only light oil but also biofuel and emulsion fuel when operating a diesel engine separately from a vehicle related to the original vehicle on which the diesel engine was installed.
即ち、従来はディーゼルエンジン仕様に合致した燃料のみし力使用できなかったの に対して、本発明は逆に用いたい燃料の種類に合わせてディーゼルエンジンの制御 も可能になる。  In other words, while it has been impossible in the past to use only the fuel that meets the specifications of the diesel engine, the present invention can also control the diesel engine according to the type of fuel to be used.
図面の簡単な説明  Brief Description of Drawings
[0008] [図 1]本発明に係る電子制御コントローラを電子ガバナ制御タイプのエンジンに適用 した構成図を示す。  FIG. 1 shows a configuration diagram in which an electronic controller according to the present invention is applied to an electronic governor control type engine.
[図 2]本発明に係る電子制御コントローラをインジェクター制御タイプのエンジンに適 用した構成図を示す。  FIG. 2 shows a configuration diagram in which the electronic controller according to the present invention is applied to an injector control type engine.
[図 3]電子ガバナソレノイドのドライブ回路図例を示す。  FIG. 3 shows an example of a drive circuit diagram of an electronic governor solenoid.
[図 4]ロータリーソレノイドのドライブ回路図例を示す。  [Fig. 4] Shows an example of a drive circuit diagram of a rotary solenoid.
[図 5]インジェクターの ON— OFFパターン例を示す。  [Fig.5] An example of injector ON-OFF pattern is shown.
[図 6]インジェクターのドライブ回路図例を示す。  [Fig.6] An example of the injector drive circuit diagram is shown.
発明を実施するための最良の形態  BEST MODE FOR CARRYING OUT THE INVENTION
[0009] 本発明に係る電子制御コントローラの機能ブロックを図 1に基づいて説明する。 図 1に示した電子制御コントローラ 10は電子ガバナ制御タイプに対応させた例である 電子制御コントローラ 10はディーゼルエンジン（EG) 1に所定のタイミングで且つ所 定の量の燃料を吐出するためのドライブ信号を出力するドライブ信号出力手段を有 し、 EG 1側から燃料吐出用ラックの開閉量を示すラックポジション確認信号を受け取 るラックポジション確認手段とエンジン回転数を示す信号を受け取るエンジン回転数 確認手段とを有している。 [0009] Functional blocks of the electronic controller according to the present invention will be described with reference to FIG. The electronic controller 10 shown in FIG. 1 is an example corresponding to an electronic governor control type. The electronic controller 10 is a drive for discharging a predetermined amount of fuel to a diesel engine (EG) 1 at a predetermined timing. It has drive signal output means for outputting signals, rack position confirmation means for receiving the rack position confirmation signal indicating the opening / closing amount of the fuel discharge rack from the EG 1 side, and engine speed confirmation means for receiving the signal indicating the engine speed. And have.
[0010] より具体的に説明すると、ァクセレーター（ac) 2の踏込み量をアクセル信号読み取り 手段 3にて読み取ったアクセル信号と燃料の種類等の外部パラメータ 6を読み取り C PU処理 (演算処理)した電気信号に基づいて燃料ポンプ制御手段 11と燃料吐出用 ラック制御手段 12と経由してエンジン電子ガバナソレノイドにドライブ信号を送るが、 電子ガバナソレノイドはァクセレーターのアクセル量に応じてリニアモータドライブに て比例制御されている。 More specifically, the accelerator signal (ac) 2 is read by the accelerator signal reading means 3 and the accelerator signal and the external parameters 6 such as the fuel type are read and the CPU processing (calculation processing) is performed. A drive signal is sent to the engine electronic governor solenoid via the fuel pump control means 11 and the fuel discharge rack control means 12 based on the signal. The electronic governor solenoid is proportionally controlled by the linear motor drive according to the accelerator amount of the accelerator. Has been.
このとき、図 3にドライブ回路図の例を示すように電子ガバナソレノイド 15には EG側 力 ラックポジション確認信号 (ENGV)を受け取り、エンジン側に出力するドライブ信 号（GOVPWM)と PID制御（Proportional Control, Integral Control, Deriva tive Controlの組み合わせによる収束制御）してある。  At this time, as shown in the example of the drive circuit diagram in Fig. 3, the electronic governor solenoid 15 receives the EG side rack position confirmation signal (ENGV) and outputs it to the engine side (GOVPWM) and PID control (Proportional Control, Integral Control, and Derivative Control are combined).
このとき、燃料の吐出タイミングも図 4に例を示すようにロータリーソレノイド 16のドライ ブ回路に対してエンジン回転数確認信号を受けたサイクル信号 (PSC)と PID制御し てある。  At this time, the fuel discharge timing is also PID-controlled with the cycle signal (PSC) that received the engine speed confirmation signal to the drive circuit of the rotary solenoid 16 as shown in FIG.
[0011] 次にコモンレール方式等のインジェクターを用いたディーゼルエンジン用の電子制 御コントローラ 20の説明をする。  Next, the electronic control controller 20 for a diesel engine using a common rail type injector will be described.
コモンレール方式の場合には、コモンレールと称される高圧燃料一時貯留装置内に 一定圧になるように燃料ポンプ制御手段 21にて燃料が PID制御供給される。  In the case of the common rail system, the fuel pump control means 21 supplies the fuel with PID control so that the pressure is constant in a high-pressure fuel temporary storage device called a common rail.
インジヱクタ一は各シリンダー内に燃料を噴射するようにエンジン側に取り付けられて レ、て、コモンレールとインジェクターが燃料供給流路として連結されてレ、る。  The injector is mounted on the engine side so as to inject fuel into each cylinder, and the common rail and the injector are connected as a fuel supply flow path.
インジヱクタ一は高圧、高速にてシリンダー内に燃料を供給するものであり、シリンダ 一内に一度に燃料を供給すると燃料の燃焼伝播速度が遅くなつたり、シリンダー内 での不完全燃焼の原因となる恐れがあるのでインジェクター制御手段 22は、パルス 信号にて数回に分けて燃料供給するようになってレ、る。 The injector supplies fuel into the cylinder at high pressure and high speed. If fuel is supplied into the cylinder at once, the combustion propagation speed of the fuel becomes slow, Therefore, the injector control means 22 supplies the fuel in several times with a pulse signal.
[0012] インジェクターによる燃料供給パターン例を図 5に示し、 8気筒エンジンの場合のドラ イブ回路図を図 6に示す。 FIG. 5 shows an example of a fuel supply pattern by an injector, and FIG. 6 shows a drive circuit diagram in the case of an 8-cylinder engine.
例えば、図 6に示したドライブ回路図は INJ1, 3， 5, 7が奇数気筒を示し、 INJ2, 4, 6, 8が偶数気筒であることを示す。  For example, the drive circuit diagram shown in FIG. 6 shows that INJ1, 3, 5, and 7 are odd cylinders, and INJ2, 4, 6, and 8 are even cylinders.
図 5のノ^レス波形 Aは初回燃料吐出の応答速度を上げるために、約 150Vの高電圧 を約 60 x s印加する。  The waveform A in Fig. 5 applies a high voltage of about 150 V for about 60 x s in order to increase the response speed of the first fuel discharge.
次に約 電圧 OFFにし、その後にパルス波形 Bl , B2, B3…に示すように低圧 の糸勺 24Vにて 40 μ sON, 70 μ sOFFを,操り返す。  Next, set the voltage to about OFF, and then repeat 40 μs ON and 70 μs OFF at a low voltage of 24 V as shown in the pulse waveforms Bl, B2, B3.
A + Bxトータルで約 2msとなるのが一般的である。  In general, A + Bx total is about 2 ms.
このようにしてインジェクターに印加するドライブ信号をアクセル信号に対応して出力 する。  In this way, the drive signal applied to the injector is output corresponding to the accelerator signal.
[0013] 本発明における電子制御コントローラにおいては、図 1、図 2の機能ブロック図に示す ように、外部 CPU接続部 6、燃料ポンプ制御パラメータ部 13, 23、燃料吐出用ラック 制御パラメータ部 14、インジェクター制御パラメータ部 24を有している。  In the electronic controller according to the present invention, as shown in the functional block diagrams of FIGS. 1 and 2, the external CPU connection unit 6, the fuel pump control parameter units 13 and 23, the fuel discharge rack control parameter unit 14, An injector control parameter section 24 is provided.
これらのパラメータ部にアクセル信号とエンジン回転数の関係をパラメータ化してプロ グラムソフトを組み込むことでディーゼルエンジンを車両システムから分離しても運転 制御可能になる。  By incorporating the program software into these parameter parts with the relationship between the accelerator signal and the engine speed as a parameter, operation control is possible even if the diesel engine is separated from the vehicle system.
前記データをパラメータ化してプログラムソフトに組み込むには、実際に車両に組み 込まれているエンジンを作動させ、アクセル踏込み量に応じて、エンジン回転数を測 定するとともにドライブ信号をオシロスコープ等の波形測定機を用いて波形、振動数 、振幅等を測定する。  To parameterize the data and incorporate it into the program software, operate the engine that is actually installed in the vehicle, measure the engine speed according to the amount of accelerator depression, and measure the drive signal to the waveform of an oscilloscope, etc. Measure the waveform, frequency, amplitude, etc. using a machine.
ドライブ信号は車両システムにおける各部品のセンサー信号に関係なぐエンジン作 動のみに必要な電気信号であり、アクセルの踏込み量に応じて例えばパルス波形信 号の面積及び強度が変化するのでこれをパラメータ化してプログラムソフトに組み込 むことでディーゼルエンジンの再利用が容易になった。  The drive signal is an electrical signal necessary only for engine operation related to the sensor signal of each component in the vehicle system. For example, the area and intensity of the pulse waveform signal change according to the amount of accelerator depression, and this is parameterized. This makes it easy to reuse diesel engines.
特に所定のドライブ信号を出力するために必要なパラメータをバイオ燃料ゃェマルジ ヨン燃料等の燃料の種類に応じて作成することでエンジンの電子制御を燃料側に合 うように調整可能になり、今後、環境負荷低減を目的に開発される各種燃料にも対応 できる。 In particular, the parameters necessary for outputting a predetermined drive signal are defined as biofuels. By making it according to the type of fuel such as Yon fuel, it becomes possible to adjust the electronic control of the engine to match the fuel side, and it will be possible to cope with various fuels developed for the purpose of reducing the environmental load in the future.
産業上の利用分野 Industrial application fields
本発明に係る電子制御コントローラは、車両システムに組み込まれているディーゼ ルエンジンが車両の事故等により車両から分離された場合に、車両システムから分 離してディーゼルエンジン単独にて起動及び運転制御できるので燃料方式が一致 すれば中古ディーゼルエンジンとして他の車両に搭載する場合のコントローラとして 利用できる。  The electronic controller according to the present invention can be started and operated by the diesel engine alone when the diesel engine incorporated in the vehicle system is separated from the vehicle due to a vehicle accident or the like. If the fuel system matches, it can be used as a controller when mounted on other vehicles as a used diesel engine.
また、ディーゼルエンジン単独で運転するための電子制御コントローラなので中古デ イーゼルエンジンを発電機や船舶用といった他の用途に転用する場合にも利用でき る。 In addition, since it is an electronic control controller that operates on a diesel engine alone, it can also be used when diverting used diesel engines to other applications such as generators and ships.

Claims

請求の範囲 The scope of the claims
[1] アクセル信号読み取り手段と、燃料制御手段とを備え、  [1] An accelerator signal reading means and a fuel control means are provided,
アクセル信号読み取り手段にて読み取られた電気信号に基づいて車両システムとは 無関係の燃料制御手段に変換することでエンジンを制御するものであることを特徴と するディーゼルエンジン用の電子制御コントローラ。  An electronic control controller for a diesel engine, characterized in that the engine is controlled by converting the fuel signal into a fuel control means unrelated to the vehicle system based on the electric signal read by the accelerator signal reading means.
[2] 車両システムとは無関係の燃料制御手段は、車両システムに組み込まれたディー ゼルエンジンにおレ、て、アクセル量信号に対応してディーゼルエンジンに印加された ドライブ信号を直接的に測定することで車両システムとは無関係にアクセル信号とド ライブ信号とを関係付けたものであることを特徴とする請求の範囲 1記載のディーゼ ルエンジン用の電子制御コントローラ。 [2] The fuel control means unrelated to the vehicle system directly measures the drive signal applied to the diesel engine in response to the accelerator amount signal at the diesel engine incorporated in the vehicle system. 2. The electronic control controller for a diesel engine according to claim 1, wherein the accelerator signal and the drive signal are associated with each other regardless of the vehicle system.
[3] 車両システムとは無関係の燃料制御手段は、燃料が軽油、ノくィォ燃料及びエマル ジョン燃料のうち少なくとも一種類以上の燃料に対応できるものであることを特徴とす る請求の範囲 1記載のディーゼノレエンジン用の電子制御コントローラ。  [3] The fuel control means irrelevant to the vehicle system is characterized in that the fuel can correspond to at least one kind of fuel among light oil, noo fuel and emulsion fuel. An electronic control controller for the diesel engine according to 1.
[4] アクセル信号読み取り手段と、燃料制御手段とを備え、  [4] Accelerator signal reading means and fuel control means are provided,
燃料制御手段は、アクセル信号に基づいて車両システムとは無関係にディーゼルェ ンジンを制御するものであって、燃料ポンプ制御手段と燃料吐出用ラック制御手段と を有していることを特徴とする電子ガバナ制御タイプのディーゼルエンジン用の電子 制御コントローラ。  The fuel control means controls the diesel engine regardless of the vehicle system based on the accelerator signal, and has a fuel pump control means and a fuel discharge rack control means. Electronic controller for governor-controlled diesel engines.
[5] アクセル信号読み取り手段と、燃料制御手段とを備え、  [5] An accelerator signal reading means and a fuel control means are provided,
燃料制御手段は、アクセル信号に基づいて車両システムとは無関係にディーゼルェ ンジンを制御するものであって、燃料ポンプ制御手段とインジェクター制御手段を有 していることを特徴とするインジェクター制御タイプのディーゼルエンジン用の電子制 御コントローラ。  The fuel control means controls the diesel engine regardless of the vehicle system based on the accelerator signal, and has an injector control type diesel engine characterized by having a fuel pump control means and an injector control means. Electronic control controller for engines.
PCT/JP2006/305493 2006-03-20 2006-03-20 Electronic-control controller for diesel engine WO2007108082A1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005226478A (en) * 2004-02-10 2005-08-25 Toyota Motor Corp Controlling device for internal combustion engine
JP2005233016A (en) * 2004-02-18 2005-09-02 Toyota Motor Corp Control device of internal combustion engine
JP2005240656A (en) * 2004-02-26 2005-09-08 Mazda Motor Corp Control device of hydrogen engine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005226478A (en) * 2004-02-10 2005-08-25 Toyota Motor Corp Controlling device for internal combustion engine
JP2005233016A (en) * 2004-02-18 2005-09-02 Toyota Motor Corp Control device of internal combustion engine
JP2005240656A (en) * 2004-02-26 2005-09-08 Mazda Motor Corp Control device of hydrogen engine

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