JPS59201960A - Throttle valve controller for engine - Google Patents
Throttle valve controller for engineInfo
- Publication number
- JPS59201960A JPS59201960A JP58075954A JP7595483A JPS59201960A JP S59201960 A JPS59201960 A JP S59201960A JP 58075954 A JP58075954 A JP 58075954A JP 7595483 A JP7595483 A JP 7595483A JP S59201960 A JPS59201960 A JP S59201960A
- Authority
- JP
- Japan
- Prior art keywords
- throttle valve
- engine
- auxiliary
- main
- intake passage
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
-
- 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
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はエンジンのスロットル弁制御装置、特に詳細に
はメインスロットル弁が所定開度開かれてから開かれる
補助スロットル弁の開度を制御する装置に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention is an engine throttle valve control device, and more particularly, it controls the opening degree of an auxiliary throttle valve that is opened after a main throttle valve is opened to a predetermined degree. It is related to the device.
（従来技術）
従来より、燃焼室に供給される燃料の霧化と出力とを低
速域から高速域に亘って良好に保つために、吸気通路を
メイン吸気通路と補助吸気通路の２系統に分け、メイン
吸気通路には低速域から開かれるメインスロットル弁を
設け、補助吸気通路には上記メインスロットル弁が所定
開度開かれてから開かれる補助スロットル弁を設けたエ
ンジンが提供されている。(Prior art) Conventionally, in order to maintain good atomization of the fuel supplied to the combustion chamber and good output from low speed ranges to high speed ranges, the intake passage has been divided into two systems: a main intake passage and an auxiliary intake passage. An engine is provided in which a main intake passage is provided with a main throttle valve that is opened from a low speed range, and an auxiliary intake passage is provided with an auxiliary throttle valve that is opened after the main throttle valve is opened to a predetermined opening degree.
上記補助スロットル弁は例えば特公昭５０−１２０４８
号公報に示されるように、メインスロットル弁が所定開
度開かれたならば該メインスロットル弁と機械的に連結
して開かれるか、ある℃・はメインスロットル弁が所定
開度開かれてメ・イノ吸気通路のベンチュリ負圧が所定
以１−になると、該ベンチュリ負圧によって作動する負
圧式アクチュエータによって開かれるようになっていた
。The above-mentioned auxiliary throttle valve is, for example,
As shown in the publication, if the main throttle valve is opened to a predetermined opening, it is mechanically connected to the main throttle valve and opened, or at a certain degree, the main throttle valve is opened to a predetermined opening and the main throttle valve is opened to a predetermined opening. - When the negative pressure of the venturi in the intake passage reaches a predetermined level of 1-, the intake passage is opened by a negative pressure actuator operated by the negative pressure of the venturi.
第２Ａ、２Ｂ図は各々、上記のように負圧式−ｆクチユ
ニー夕によって操作される補助ス【−１ソＩ・ル弁を有
するエンジンにおける、メインスロットル弁開度と補助
スロットル弁開度の関係１．１．９よＯ・メインスロッ
トル弁開度とトルクのＩｙｊ係の一例を示すものである
。なお第２Ｂ図によ６℃・て横軸はトルク零を示すライ
ンであり、このラインよりも下側はエンジン減（・ｈ
威−Ｃ−ル）ろ。またこの第２１３図において各特性線
の屈折点は補助スロットル弁が開き始め′／：、）点で
ある（以下の第；うＢ、 ４１３． ５１３図におい
ても同様でル）る）。そして第３Ａ、’３１３図は補助
スロットル弁が−に記のように負圧式−ノ′クーｆ−ユ
エータによって作動され、かつメインス［Ｊノトル弁側
吸気通路と補助スロットル弁側吸気通路とはそれぞれ独
立した状態で同一気筒に連通したエンジンに寸６いて、
補助スロットル弁側の吸気通路に機械式過給機（エンジ
ンによって１駆動されるエアポンプ）を取り付けたエン
ジンにおける、メインスロットル弁開度と補助スロット
ル弁開度の関係、およびメインスロットル弁開度とトル
クの関係を示すものである。Figures 2A and 2B respectively show the relationship between the main throttle valve opening and the auxiliary throttle valve opening in an engine having an auxiliary throttle valve operated by a negative pressure type -f cutoff unit as described above. 1.1.9 shows an example of the relationship between main throttle valve opening and torque Iyj. In addition, according to Figure 2B, the horizontal axis at 6°C is the line indicating zero torque, and the area below this line is the engine reduction (・h
I-C-ru)ro. In addition, in FIG. 213, the bending point of each characteristic line is the point at which the auxiliary throttle valve begins to open (the same applies to the following figures). 3A and 313 show that the auxiliary throttle valve is operated by a negative pressure type Kuf-yuator as shown in -, and that the main throttle valve side intake passage and the auxiliary throttle valve side intake passage are respectively There are six dimensions in the engine that are connected to the same cylinder in an independent state,
Relationship between main throttle valve opening and auxiliary throttle valve opening, and main throttle valve opening and torque in an engine with a mechanical supercharger (air pump driven by the engine) installed in the intake passage on the auxiliary throttle valve side This shows the relationship between
上記第３Ｂ図に示されているように、機械式過給機か取
り伺けし、ｌ］たエンジンに：ｔＯいては、高回転から
の（第３１３図の例にオ６いてＱ土６０００ｒｐｍ の
とき）エンジン減速域にお見・て、ＥＢＡ図のようにメ
インスロットル弁開度が小゛さい状態から補助スロット
ル弁が開くように設定されているため、補助ス［ツノト
ル弁が開き、前述したように該補助スロットル弁と連動
する過給機も作動するようになる。As shown in Fig. 3B above, if a mechanical supercharger is installed on the engine, it will start from high revolutions (in the example of Fig. 313, it will start at 6000 rpm). As shown in the EBA diagram, the auxiliary throttle valve is set to open from a small main throttle valve opening when the engine is in the deceleration region. Similarly, the supercharger that is linked to the auxiliary throttle valve also comes into operation.
このようになれば当然エンジンの減速性か悪化し、また
エンジンブレーキ効果も損なわれる。If this happens, the deceleration performance of the engine will naturally deteriorate, and the engine braking effect will also be impaired.
第４）＼、４１３図は、補助スロットル弁をメインスロ
ットル弁と機械的に連結して操作し、機械式過給機が設
けｌ；りれたエンジンにおける、ノイ／スロットル弁開
度と補助スロットル弁開度の関係、およびメインスロッ
トル弁開度とトルクの関係を示すものである。この第４
Ｂ図に示されるように、補助スロットル弁を機械的に操
作するように１〜だエンジンにお℃・ても、第４Ａ図の
ようにメインスロットル弁開度が小さい状態から補助ス
ロットル弁が開く、Ｌうに設定されているため、高回転
からのエンジン減速域にす６℃・て補助スロットル弁が
開き、過給機も作動してしまう。4) Figure 413 shows noise/throttle valve opening and auxiliary throttle in an engine in which the auxiliary throttle valve is operated by mechanically connecting it to the main throttle valve, and a mechanical supercharger is installed. It shows the relationship between the valve opening degree and the relationship between the main throttle valve opening degree and torque. This fourth
As shown in Figure B, the auxiliary throttle valve opens from a state where the main throttle valve opening is small, as shown in Figure 4A, even if the engine is operated at 1°C or more by mechanically operating the auxiliary throttle valve. , L, the auxiliary throttle valve opens at 6°C in the engine deceleration range from high revolutions, and the supercharger also operates.
（発明の目的）
本発明は」−配のような事情に鑑みてなされたものであ
り、エンジン減速域におい−（補助ス１コノトル弁が開
かれず、よってエンジン城山性、エンジンブレーキ効果
を良好に保ちうるス［」ノトル弁制Ｘ＋装置を提供する
ことを目的とするものである。(Purpose of the Invention) The present invention has been made in view of the above-mentioned circumstances. It is an object of the present invention to provide a nottle valve control X+ device that can maintain the same.
（発明の構成）
本発明のエンジンのスロットル弁制御装置は、前述した
ように並設した吸気通路の一方にメインスロットル弁と
、他方の吸気通路にこのメインスロットル弁が所定開度
開かれてから開く補助スロットル弁とが設けられたエン
ジンにおいて、エンジンの回転数を検出する回転数検出
手段と、エンジンの負曲な検出する負荷検出手段と、こ
れら検出手段の出力を受はエンジン回転数とエンジン負
荷に応じて１）ＩＩ記補助スロットル弁の開度を調節ず
ろ開度制御手段とを設けてなるもの゛（゛ある。(Structure of the Invention) As described above, the engine throttle valve control device of the present invention includes a main throttle valve in one of the intake passages arranged in parallel, and a main throttle valve in the other intake passage after the main throttle valve is opened to a predetermined opening. In an engine equipped with an auxiliary throttle valve that opens, there is a rotation speed detection means for detecting the engine rotation speed, a load detection means for detecting the negative curve of the engine, and the output of these detection means is received to detect the engine rotation speed and the engine speed. There is a system which is provided with: 1) an opening degree control means that adjusts the opening degree of the auxiliary throttle valve described in II according to the load;
（発明の効果）
上述のようにエンジン回転数とエンジン負荷に応して補
助スロットル弁の開度を調節するようにすれば、該補助
スロットル弁か開き始める運転領域を自由に設定するこ
とが１拝能になる。したがって、エンジン減速駿で補助
スロットル弁が開かないようにすることがてき、エンジ
ンの減速性、エノジンブレーキ効果な良好知保つことが
可能となる。(Effect of the invention) By adjusting the opening degree of the auxiliary throttle valve according to the engine speed and engine load as described above, it is possible to freely set the operating range in which the auxiliary throttle valve starts to open. Become a Noh worshiper. Therefore, it is possible to prevent the auxiliary throttle valve from opening when the engine is decelerating quickly, and it is possible to maintain a good understanding of engine deceleration performance and enodine braking effect.
（実施例）
第１図は本発明の１実施例によるニアシンのス１１ソト
ル弁利御装置を概略的に示すものである。エンノン１は
単一気筒を示し、該気筒にはメイン吸気通路２と、〜補
助吸気通路３とが連通され、各吸気通路２，３にはそれ
ぞノ１メイ／スロットル弁／１と補助スロットル弁５が
設けられて℃・ろ。なおこれらメイン吸気ｉｊｌ路２と
補助吸気通路；３は、２バレル気化器しこおける吸気通
路であってもよし・し、またメイ／スロットル弁４下流
側、ある℃・は該ノイ：／スｒ＋ソトル弁４および補助
スロットル弁５の下流側に態別噴射弁が設けられろもの
であってもよい。(Embodiment) FIG. 1 schematically shows a Niassin Sotol valve control device according to an embodiment of the present invention. Ennon 1 indicates a single cylinder, and the cylinder is connected to a main intake passage 2 and an auxiliary intake passage 3, and each intake passage 2 and 3 has a throttle valve/1 and an auxiliary throttle valve. A valve 5 is provided to reduce the temperature. The main intake passage 2 and the auxiliary intake passage 3 may be intake passages in a two-barrel carburetor. A mode-specific injection valve may be provided downstream of the r+ sotol valve 4 and the auxiliary throttle valve 5.
補助吸気通路；うには例えばエンジン１のクランクシャ
フト（図示せず）によって、駆動されろ機械式の過給機
６が設けられ、また該補助吸気通路３には、」二記過給
機３による過給圧の過」−昇を防止するＩＪ ＩＪ−フ
弁７が介設されたＩＪ ＩＪ−フ通路８が、該過給機６
をバイパスするように連通されている。補助スロット２
ル弁５とエンジン１との間において補助吸気通路３には
、該補助吸気通路３θ）下流端て、エンジン１の作動室
に連通ずる吸気ボート（図示せず）の開閉タイミングに
対応した所定の開閉タイミングで開閉するタイミング弁
９が設けられ、過給を効果的に行ブ１ｇうようにしてい
る。The auxiliary intake passage 3 is provided with a mechanical supercharger 6 driven by, for example, the crankshaft (not shown) of the engine 1, and the auxiliary intake passage 3 is provided with a supercharger 6 driven by the crankshaft (not shown) of the engine 1. An IJ-IJ-F passage 8 in which an IJ-IJ-F valve 7 is interposed to prevent an excessive rise in supply pressure is connected to the turbocharger 6.
It is communicated so as to bypass. Auxiliary slot 2
The auxiliary intake passage 3 between the valve 5 and the engine 1 has a predetermined timing at the downstream end of the auxiliary intake passage 3θ) corresponding to the opening/closing timing of an intake boat (not shown) communicating with the working chamber of the engine 1. A timing valve 9 that opens and closes at opening and closing timings is provided to effectively carry out supercharging.
エンジン１には、例えばクランク／ヤントに取り付けら
れた電磁ピンクアップ装置四からなる回転数検出手段１
０が設置ｌ゛ｌ？、れ、該回転数検出手段１０が出力す
る回転数４１−７号Ｓ１は、後述するステップモータ制
御回路１２に人力されろ。またツインスロットル弁４に
は、このツインスロットル弁１の開度を検出することに
よってエンジン負荷を検出する負荷検出手段１１が連結
され、該負荷検出手段１１が出力する負荷信号Ｓ２は」
二記ステップモータ制御回路１２に人力される。なおこ
の負荷検出子Ｊ２１１としてはその他、メイン吸気通路
２内の吸気負圧を検出してエンジン負荷を検出するもの
等が使用されてもよい。The engine 1 includes a rotation speed detection means 1 consisting of an electromagnetic pink-up device 4 attached to the crank/yant, for example.
Is 0 installed? The rotation speed No. 41-7 S1 outputted by the rotation speed detection means 10 is manually inputted to the step motor control circuit 12, which will be described later. Further, the twin throttle valve 4 is connected to a load detection means 11 that detects the engine load by detecting the opening degree of the twin throttle valve 1, and the load signal S2 outputted by the load detection means 11 is
The step motor control circuit 12 is manually operated. In addition, as the load detector J211, a device that detects the intake negative pressure in the main intake passage 2 to detect the engine load may be used.
１記スデソゾモ一タ制御回路１２は、後述するステップ
モータ１３、ウオームｉ車１４、・Ｆ １′！１ｌＬＩ
５、ロット１６とともに、補助スロットル弁５の開度
を調節する開度制御手段を構成するものてあり、前述し
た回転数信号Ｓ１と仏画１；１号Ｓ２か人力されると、
あらかじめ記憶さねた情・ト１η（回転数、負荷および
出力信号のマッシ）に基一つぎ、これら回転数信号Ｓ＋
と負１１１°ヱ信弓侶２とに対応したパルスイ菖潟から
なるステップモータ駆動信号Ｓ３を出力する。ステップ
モータｌ：３はこのステンプモータ駆動ｆＦｉ弓別な受
け、エンジン回転数、負荷に対応した回転力向、回転角
で回転し、ウオームｌ′！１１１ｔ１１、−”Ｆ南東１
５、ロット１６を介して補助ス「ｊソトル弁５をエンジ
ン回転数、負荷に対応し、／、畳ｊＹｊ度に設定する。1 Sudezomota control circuit 12 includes a step motor 13, a worm i wheel 14, and a worm i wheel 14, which will be described later. 1lLI
5. Together with the lot 16, it constitutes an opening control means for adjusting the opening of the auxiliary throttle valve 5, and when the rotation speed signal S1 and the number 1 S2 mentioned above are input manually,
Based on the information memorized in advance (rotation speed, load, and output signal mass), these rotation speed signals S+
A step motor drive signal S3 consisting of a pulse Iris corresponding to the negative 111° Eshin Archer 2 is output. The step motor l:3 rotates with a rotation force direction and rotation angle corresponding to the step motor drive fFi, engine speed, and load, and the worm l'! 111t11, -”F southeast 1
5. Set the auxiliary sotol valve 5 through the lot 16 to a value corresponding to the engine speed and load.
１−記（ハよう／、ｃ機トＩＩ）に制御されて補助スロ
ットル弁５は、第５Ａ図に示すような特性で、メインス
ロットル弁開度に対応して開度設定される。この第５Ａ
図に示されるように１．ｓ’；ＪＩ！１１転時にお見・
て補助スロットル井５カー開き／Ａ１゜Ｖ）る運転領域
を、メインスロソトノし・弁４力゛ｈ゛’／’、Ｃり大
きく開いている運転領域に設定（，２／こ／−・）、第
５Ｂ図に示されるように補助ス「１ソト／ｌ／弁５は高
回転時にトルク発生領域、す７１ｃＪ）Ｉ）：ｌｚンジ
ン減速域外の領域で開き始、＼’） ’＜：）、Ｌ：
５１１（−１、Ｉ−ろ。したがってエンジン減速域て補
助ス１１ノトル弁５が開きまたそれとともに過給（・幾
（ｉ ｈ・過給作動して、エンジンｌｏ″）減車性や−
１−ン／ンブレーギ効果が損なわれることか僅実ケ（−
防止される。The opening degree of the auxiliary throttle valve 5 is set in accordance with the opening degree of the main throttle valve under the control described in section 1-1-2 with the characteristics shown in FIG. 5A. This 5th A
As shown in the figure 1. s';JI! See you at the 11th turn.
Set the operation range where the auxiliary throttle well 5 car is opened/A1°V) to the operating range where the main slot throttle valve 4 force is wide open (,2/ko/-・), as shown in Figure 5B, the auxiliary valve 5 starts to open in the area outside the engine deceleration area, \') '<: ), L:
511 (-1.
1- It is unlikely that the effect will be lost (-
Prevented.
なお以」二説明した実施例は機械式０）過給機６が設け
られたエンジン１に本発明力゛・適Ｊ１１されたもので
あるが、過給機が設けら１１．な見・」ニンジンにおい
ても、補助スロットル
始める運転領域をエンジン減速域外に設定すれば、エン
ンンブレーキ効果を良好に保つ効朱か得られる。Note that the embodiments described hereinafter are those in which the present invention is applied to an engine 1 provided with a mechanical supercharger 6; Note: Even in carrots, if the operating range in which the auxiliary throttle is started is set outside the engine deceleration range, it is possible to maintain a good engine braking effect.
第１Ｉノ１は本発明の１実施例を示す概略図、第２ Ａ
、、 ；３ Ａ、 ４Ａ図は従来のエンジンにオ。
けイ、メインスロットル弁開度と補助スロットル弁開度
の関係を示すグラフ、
第２ Ｎ、 ３１３． ／Ｉ ｒＪ図は従来のエン
ジンにオ６けるメインスロットル弁開度とトルクの関係
を示すグラフ、
第５Ａ図は上記実施例におけるメインスロノＩ・ル弁開
度と補助スロットル弁開度の関係を小すグラフ、
第５１１図は上記実施例におけるメインスロットル弁開
度とトルクの関係を示すグラフである。
１・・・エンジン
２・・・メイン吸気通路
３・・・補助吸気通路
・１°゛メインスロツトル弁
５°°°補助スロツトル弁
１０・・・回転数検出モ段
１１・・負研検出手段
１２・・・パルスモータ制（財）回路
１３・・・パルスモータ
１４・・ウオーム南東
１５・・平歯車
１６・・ロンド
第１図
第２Ａ図 第２Ｂ図
第３Ａ図 第３８図
第４Ａ図
第 ５Ａ 図
メインスロ・７ト１し竹聞泉−
第４Ｂ図
第５Ｂ図No. 1 No. 1 is a schematic diagram showing an embodiment of the present invention, No. 2 A
,, ;3A, 4A are for conventional engines. Graph showing the relationship between the main throttle valve opening and the auxiliary throttle valve opening, 2nd N, 313. Figure 5A shows the relationship between the main throttle valve opening and the auxiliary throttle valve opening in the above embodiment. Figure 511 is a graph showing the relationship between the main throttle valve opening and torque in the above embodiment. 1... Engine 2... Main intake passage 3... Auxiliary intake passage 1° Main throttle valve 5°° Auxiliary throttle valve 10... Rotation speed detection mode stage 11... Negative grinding detection means 12... Pulse motor system circuit 13... Pulse motor 14... Worm southeast 15... Spur gear 16... Rondo Figure 1 Figure 2A Figure 2B Figure 3A Figure 38 Figure 4A Figure 5A Main slot 7th 1st Takemonsen - Figure 4B Figure 5B
Claims (1)
の吸気通路にこのメインスロットル弁が所定開度開かれ
てから開かれる補助スロットル弁とが設けられたエンシ
ンニオイて、エンジンの回転数を検出する回転数検出手
段と、エンジンの負荷を検出する負荷検出手段と、これ
ら検出手段の出力な受はエンジン回転数とエンジン負荷
に応じて前記補助スロットル弁の開度を調節する開度制
御手段とを設けてなるエンジンのスロットル弁制御装置
。A main throttle valve is installed in one of the parallel intake passages, and an auxiliary throttle valve is installed in the other intake passage, which is opened after the main throttle valve is opened to a predetermined degree.The engine rotation speed is detected using the engine engine. a rotation speed detection means for detecting the engine load; a load detection means for detecting the load on the engine; and an opening control means for adjusting the opening degree of the auxiliary throttle valve according to the engine rotation speed and the engine load. An engine throttle valve control device comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58075954A JPS59201960A (en) | 1983-04-28 | 1983-04-28 | Throttle valve controller for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58075954A JPS59201960A (en) | 1983-04-28 | 1983-04-28 | Throttle valve controller for engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59201960A true JPS59201960A (en) | 1984-11-15 |
| JPH0447140B2 JPH0447140B2 (en) | 1992-08-03 |
Family
ID=13591119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58075954A Granted JPS59201960A (en) | 1983-04-28 | 1983-04-28 | Throttle valve controller for engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59201960A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632050A (en) * | 1979-08-23 | 1981-04-01 | Toyota Motor Corp | Controller for maximum output of engine |
-
1983
- 1983-04-28 JP JP58075954A patent/JPS59201960A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632050A (en) * | 1979-08-23 | 1981-04-01 | Toyota Motor Corp | Controller for maximum output of engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447140B2 (en) | 1992-08-03 |
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