JPS61275526A - Control device for variable capacity type supercharger - Google Patents
Control device for variable capacity type superchargerInfo
- Publication number
- JPS61275526A JPS61275526A JP60115497A JP11549785A JPS61275526A JP S61275526 A JPS61275526 A JP S61275526A JP 60115497 A JP60115497 A JP 60115497A JP 11549785 A JP11549785 A JP 11549785A JP S61275526 A JPS61275526 A JP S61275526A
- Authority
- JP
- Japan
- Prior art keywords
- turbine
- load
- supercharger
- controller
- throttle
- 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.)
- Pending
Links
Landscapes
- Supercharger (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は可変容量形過給機の制御装置に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to a control device for a variable displacement supercharger.
従来発電機関または連撮用過給内燃機関では平均有効圧
力が上昇するにつれて負荷の投入が制限され、特に発電
機用では負荷の投入可能量によって発電機容量が決定さ
れる場合には１機関の平均有効圧力の上昇を行っても効
果が薄く、さらに容量の大きな機関が必要となった。ま
た可変容量形 。In conventional power generation engines or supercharged internal combustion engines for continuous shooting, the load input is limited as the average effective pressure increases, and especially for generators, when the generator capacity is determined by the amount of load that can be input, the Increasing the average effective pressure had little effect, and an engine with even larger capacity was needed. Also variable capacity type.
過給機は一般に低速トルクの増大と、高速、高負荷での
筒内圧の制限のために用いられ、一定回転で使用される
発電機用または連撮用には使用されなかった。Superchargers were generally used to increase low-speed torque and limit cylinder pressure at high speeds and high loads, and were not used for constant-rpm generators or for continuous shooting.
さらに可変容量形過給機の制御方法としては。Furthermore, as a control method for a variable displacement turbocharger.
低速トルクの増大及び高速高負荷時の筒内圧が過大上昇
するのを主眼として制御回路を構成するものが大半で、
具体的には機関回転数が上昇するに従い絞りを開く構成
となっている。Most control circuits are designed with the main focus on increasing low-speed torque and excessively increasing cylinder pressure at high speeds and high loads.
Specifically, the throttle is opened as the engine speed increases.
発電機用または連撮用過給機関での負荷投入時の応答性
が改善されると、従来よシ小形高過給機関で１クラス上
の機関から代替可能となりコスト低減、競争力が増大す
る。これの改良に対して従来車両用または舶用等の機関
回転が変化する機関に使用されている可変容量形過給機
をコントロールすることによシ実現する。If the response of a supercharged engine for generators or continuous shooting when the load is turned on is improved, it will be possible to replace a conventionally smaller, highly supercharged engine with one class higher, reducing costs and increasing competitiveness. . This improvement is achieved by controlling the variable displacement supercharger that is conventionally used in engines where the engine speed changes, such as vehicles or ships.
また可変容量形過給機を出力応答性が必要な時と、負荷
回転数が殆んど変化しない場合とで、制御パターンを変
化させれば、高出力かつ低燃費の運転操作が自由に選べ
１両者共にメリットがある。In addition, by changing the control pattern of the variable displacement turbocharger depending on whether output responsiveness is required or when the load rotational speed hardly changes, high output and low fuel consumption operation can be freely selected. 1 Both have merits.
本発明の目的は上記の点に着目し、可変容量形過給機の
制御装置を提供することでアシ、その特徴とするところ
は、（１）可変容量形過給機のタービンの絞りをアクチ
ーエータで変更する内燃機関において、筒内圧等のエン
ジン状態検出器、同エンジン状態検出器の信号が入力さ
れアクチュエータを介して上記タービンの絞りを制御す
るコントローラを備えたことであり ｅ （２）（１）
の装置に、タービンの絞りを出力重視形と燃費重視形の
二つのパターンに切換えて制御する切換スイッチを付加
したことである。An object of the present invention is to focus on the above points and provide a control device for a variable displacement supercharger. The internal combustion engine to be modified in the above is equipped with an engine condition detector such as cylinder pressure, and a controller that receives signals from the engine condition detector and controls the aperture of the turbine via an actuator. e (2) (1) )
A changeover switch was added to the device to control the turbine throttle between two patterns: an output-oriented type and a fuel efficiency-oriented type.
（１）の場合は９発電機用または連撮用過給機関の応答
性を増加させ、負荷投入量を増加させる。また、（２）
の場合は、使用者の要求によＦ） ｉＪ？ワーレンジと
エコノミーレンジを切換可能とし、それぞれ別の制御特
性を持たせ、パワーレンジにおいては。In the case of (1), the responsiveness of the supercharged engine for 9 generators or continuous shooting is increased, and the amount of load input is increased. Also, (2)
In the case of F) iJ? In the power range, it is possible to switch between a power range and an economy range, each with different control characteristics.
機関筒内圧、または機関回転数及び過給圧をモニターし
て出力が最大になるように制御し、エコノミーレンジで
は、特に一定負荷、一定回転時に最も燃費最低忙制御す
る。The engine cylinder pressure, engine speed, and boost pressure are monitored to maximize the output, and in the economy range, the fuel efficiency is minimized, especially when the load is constant and the engine speed is constant.
以下図面を参照して本発明による実施例につき説明する
。Embodiments of the present invention will be described below with reference to the drawings.
第１図は本発明による第１実施例の装置を示す説明図で
ある。FIG. 1 is an explanatory diagram showing a first embodiment of the apparatus according to the present invention.
図において、ｌは機関本体、２は燃料噴射ポンプまたは
キャブレータ、３は吸気管、４は可変容量形過給機の圧
縮機、５は可変容量形過給機のタービン、６はタービン
絞りのアクチュエータ、７は過給圧センサ、８は筒内圧
センサ、９はコントローラである。In the figure, l is the engine body, 2 is the fuel injection pump or carburetor, 3 is the intake pipe, 4 is the compressor of the variable displacement supercharger, 5 is the turbine of the variable displacement supercharger, and 6 is the actuator of the turbine throttle. , 7 is a boost pressure sensor, 8 is an in-cylinder pressure sensor, and 9 is a controller.
また第２図は機関一定回転でのタービンロータ回転数の
負荷による変化を示す。Furthermore, FIG. 2 shows changes in the turbine rotor rotational speed due to load when the engine is at constant rotation.
上記構成の場合の作用、効果について述べる。The functions and effects of the above configuration will be described.
可変容量形過給機のタービン５の絞りをアクチェエータ
６で動かし変更可能とした機関において。In an engine in which the throttle of a turbine 5 of a variable displacement supercharger can be changed by moving it with an actuator 6.
過給圧センサ７″または筒内圧センサ８．またはその両
者から信号を受け、あらかじめ定められた制限条件にな
る負荷までタービンの絞りを最小に保ち、上記制限条件
を越えた場合にタービンの絞りを負荷に応じて開く計算
回路を持つコントローラ９の出力でアクチュエータ６を
駆動する。これによシ無負荷または低負荷では一般的な
固定ノズルを持つ過給機より第２図に示すようにタービ
ンロータの回転は上昇しており、負荷応答性が良くな第
３図は本発明による第２実施例の装置を示す説明図であ
る。A signal is received from the boost pressure sensor 7'' or the cylinder pressure sensor 8, or both, and the turbine throttle is kept at the minimum until the load reaches a predetermined limit condition, and when the limit condition is exceeded, the turbine throttle is reduced. The actuator 6 is driven by the output of the controller 9, which has a calculation circuit that opens according to the load.When there is no load or low load, this causes the turbine rotor to move as shown in Fig. 2, rather than a typical turbocharger with a fixed nozzle. 3 is an explanatory diagram showing a second embodiment of the device according to the present invention.
図において、１１は機関本体、１２．は燃料噴射Ｉンｆ
またはキャブレータ、１３は燃料コントロールレバーセ
ンサ、１４は吸気管、１５は可変容量形過給機の圧縮機
、１６は可変容量形過給機のタービン、１７はタービン
絞シのアクチュエータ。In the figure, 11 is the engine body, 12. is fuel injection In
or a carburetor, 13 a fuel control lever sensor, 14 an intake pipe, 15 a variable displacement supercharger compressor, 16 a variable displacement supercharger turbine, and 17 a turbine throttle actuator.
１８は過給圧センサ、１９は筒内圧センサｔ２０はコン
トローラ、２１は制御特性切換スイッチ。18 is a boost pressure sensor, 19 is an in-cylinder pressure sensor t20 is a controller, and 21 is a control characteristic changeover switch.
２２は回転センサである。22 is a rotation sensor.
第４図は一定負荷でのタービン絞り金部内圧の関係を、
第５図は一定負荷でのタービン絞シと燃費の関係をそれ
ぞれ示す。Figure 4 shows the relationship between the internal pressure of the turbine orifice at a constant load.
FIG. 5 shows the relationship between turbine throttling and fuel consumption at a constant load.
上記構成の場合の作用について述べる。The operation in the case of the above configuration will be described.
可変容量形過給機のタービン１６の絞りをアクチュエー
タ１７で動かして変更可能とした機関において、絞りを
出力重視形と燃費重視形の二つのパターンで動かす切換
スイッチ２１を設けたコントローラ２０で制御し、その
コントローラ２０はセンサ１８．筒内圧センサ１９から
の信号を受け。In an engine in which the throttle of a turbine 16 of a variable displacement supercharger can be changed by moving an actuator 17, the throttle is controlled by a controller 20 equipped with a changeover switch 21 that moves the throttle in two patterns: an output-oriented type and a fuel-efficient type. , the controller 20 is connected to the sensor 18 . Receives a signal from the cylinder pressure sensor 19.
あらかじめ定められたノぐターンでアクチュエータを作
動させる。Operate the actuator at a predetermined turn.
第１実施例の場合は前述の通シ、無負荷または低負荷で
は一般的な固定ノズルを持つ過給機より第２図に示すよ
うにタービン口ｉりの回転は上昇しておシ、負荷応答性
が良くなる。In the case of the first embodiment, as shown in Fig. 2, when there is no load or low load, the rotation at the turbine mouth increases compared to a typical fixed nozzle turbocharger. Improves responsiveness.
第２実施例では、出力重視形の場合、軽負荷時には過給
機のタービン絞シが最小となっておシ。In the second embodiment, in the case of the output-oriented type, the turbine throttling of the supercharger is minimized when the load is light.
過給機回転は高く保持されてかシ、急激な負荷投入によ
っても応答遅れが少く、また筒内圧の限界まで過給圧が
上昇するので、出力も増大することができる。逆に燃費
重視形の場合、運転されている回転及び負荷で燃費が最
良となるような絞シに設定できる。これを運転者が運転
状況に応じて選択可能にして最適な機関制御をするとと
Ｋよシ経済運転が可能となる。The turbocharger rotation is kept high, so there is little response delay even when a sudden load is applied, and the boost pressure increases to the limit of the cylinder pressure, so the output can also be increased. Conversely, in the case of a fuel-efficient type, the throttle can be set to achieve the best fuel efficiency at the operating speed and load. If the driver can select one of these options depending on the driving situation and performs optimal engine control, economical operation becomes possible.
第１図は本発明による第゛１実施例の装置を示す説明図
、第２図は機関一定回転数でのタービンロータ回転数の
負荷による変化を示す線図、第３図は本発明による第２
実施例の装置を示す説明図。
第４図は一定負荷でのタービン絞りと筒内圧の関係を示
す線図、第５図は一定負荷でのタービン絞シと燃費の関
係を示す線図である。
５．１６・・・可変容量形過給機のタービン、６゜１７
・・・タービン絞シのアクチュエータ、８．１９・・・
筒内圧センサ、９，２０・・・コントローラ、２１・・
・切換スイッチ。FIG. 1 is an explanatory diagram showing the device of the first embodiment according to the present invention, FIG. 2 is a diagram showing changes in turbine rotor rotation speed due to load at a constant engine rotation speed, and FIG. 2
FIG. 2 is an explanatory diagram showing an apparatus according to an embodiment. FIG. 4 is a diagram showing the relationship between turbine throttle and cylinder pressure at a constant load, and FIG. 5 is a diagram showing the relationship between turbine throttle and fuel efficiency at a constant load. 5.16...Variable displacement supercharger turbine, 6°17
...Turbine throttle actuator, 8.19...
Cylinder pressure sensor, 9, 20...controller, 21...
・Choice switch.
Claims (1)
タで変更する内燃機関において、筒内圧等のエンジン状
態検出器、同エンジン状態検出器の信号が入力されアク
チュエータを介して上記タービンの絞りを制御するコン
トローラを備えたことを特徴とする可変容量形過給機の
制御装置。 ２、可変容量形過給機のタービンの絞りをアクチュエー
タで変更する内燃機関において、筒内圧等のエンジン状
態検出器、同エンジン状態検出器の信号が入力されアク
チュエータを介して上記タービンの絞りを制御するコン
トローラ、上記タービンの絞りを出力重視形と燃費重視
形の二つのパターンに切換えて制御する切換スイッチを
備えたことを特徴とする可変容量形過給機の制御装置。[Claims] 1. In an internal combustion engine in which the throttle of the turbine of a variable displacement supercharger is changed by an actuator, an engine condition detector such as cylinder pressure, etc., and a signal from the engine condition detector are inputted and transmitted via the actuator. A control device for a variable displacement supercharger, comprising a controller for controlling an aperture of the turbine. 2. In an internal combustion engine in which the throttle of the turbine of a variable displacement supercharger is changed by an actuator, an engine condition detector such as cylinder pressure, and a signal from the engine condition detector are input and the throttle of the turbine is controlled via the actuator. A control device for a variable displacement supercharger, comprising: a controller for controlling the throttle; and a changeover switch for controlling the throttle of the turbine by switching it between two patterns: an output-oriented type and a fuel efficiency-oriented type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60115497A JPS61275526A (en) | 1985-05-30 | 1985-05-30 | Control device for variable capacity type supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60115497A JPS61275526A (en) | 1985-05-30 | 1985-05-30 | Control device for variable capacity type supercharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61275526A true JPS61275526A (en) | 1986-12-05 |
Family
ID=14663970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60115497A Pending JPS61275526A (en) | 1985-05-30 | 1985-05-30 | Control device for variable capacity type supercharger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61275526A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5929729A (en) * | 1982-08-11 | 1984-02-17 | Mitsubishi Electric Corp | Supercharged pressure controller |
| JPS606833B2 (en) * | 1980-09-03 | 1985-02-20 | 葛西株式会社 | children's rides |
| JPS6043126A (en) * | 1983-08-19 | 1985-03-07 | Kawasaki Heavy Ind Ltd | Control apparatus for supercharger |
-
1985
- 1985-05-30 JP JP60115497A patent/JPS61275526A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS606833B2 (en) * | 1980-09-03 | 1985-02-20 | 葛西株式会社 | children's rides |
| JPS5929729A (en) * | 1982-08-11 | 1984-02-17 | Mitsubishi Electric Corp | Supercharged pressure controller |
| JPS6043126A (en) * | 1983-08-19 | 1985-03-07 | Kawasaki Heavy Ind Ltd | Control apparatus for supercharger |
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