JPH0689697B2 - Slot engine control device for vehicle engine - Google Patents
Slot engine control device for vehicle engineInfo
- Publication number
- JPH0689697B2 JPH0689697B2 JP61309468A JP30946886A JPH0689697B2 JP H0689697 B2 JPH0689697 B2 JP H0689697B2 JP 61309468 A JP61309468 A JP 61309468A JP 30946886 A JP30946886 A JP 30946886A JP H0689697 B2 JPH0689697 B2 JP H0689697B2
- Authority
- JP
- Japan
- Prior art keywords
- opening
- throttle valve
- accelerator
- detector
- actuator
- 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
Landscapes
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Description
【発明の詳細な説明】 (産業上の利用分野) 本発明は、車両用エンジンのスロツトル弁をアクセルペ
ダルの踏込量に単純比例しない所定の制御特性に従つて
開弁させるようにしたスロツトル制御装置に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a throttle control device for opening a throttle valve of a vehicle engine according to a predetermined control characteristic that is not simply proportional to the depression amount of an accelerator pedal. Regarding
(従来の技術) 従来、この種装置として、スロットル弁をアクセルペダ
ルに機械的に連動して開弁させる代りに、パルスモータ
等のアクチユエータをスロツトル弁に直結し、該アクチ
ユエータの作動をアクセルペダルの踏込量を検出するア
クセル検出器からの信号とスロットル弁の開度を検出す
るスロツトル検出器からの信号とを入力する制御回路に
より制御して、スロツトル弁を所望の開弁特性に従つて
開弁させるようにしたものは知られる。(Prior Art) Conventionally, as this type of device, instead of mechanically opening a throttle valve in conjunction with an accelerator pedal, an actuator such as a pulse motor is directly connected to a throttle valve, and the actuation of the actuator is controlled by the accelerator pedal. Open the throttle valve according to the desired valve opening characteristics by controlling it by the control circuit that inputs the signal from the accelerator detector that detects the depression amount and the signal from the throttle detector that detects the opening of the throttle valve. It is known that he was allowed to do so.
又、スロットル弁をアクセルペダルに機械的に連動する
回転体を回転角に比例したアクセル開度に開弁する機械
的連動機構と、スロツトル弁の開度を該アクセル開度以
下に減少可能なアクチユエータとを備え、減速時に該ア
クチユエータを作動させてスロツトル弁を強制的に閉弁
させ、燃費性を向上させるようにしたものも知られる。In addition, a mechanical interlocking mechanism that opens a rotating body that mechanically interlocks a throttle valve with an accelerator pedal to an accelerator opening that is proportional to a rotation angle, and an actuator that can reduce the opening of a throttle valve below the accelerator opening. It is also known that the actuator is equipped with and the actuator is actuated at the time of deceleration to forcibly close the throttle valve to improve fuel economy.
(発明が解決しようとする問題点) ところで、上記後者の従来技術において、アクセル開度
が所望の開弁特性より高開度となるように回転体とスロ
ツトル弁との比例特性を設定し、アクチユエータの作動
を上記前者の従来技術と同様にアクセルペダルの踏込量
を検出するアクセル検出器からの信号とスロツトル検出
器からの信号とを入力する制御回路により制御して、ス
ロツトル弁を所望の開弁特性に従つて開弁させるように
することが考えられる。(Problems to be Solved by the Invention) By the way, in the latter prior art, the proportional characteristic of the rotating body and the throttle valve is set so that the accelerator opening is higher than a desired valve opening characteristic, and the actuator is set. The operation of the throttle valve is controlled by a control circuit for inputting a signal from the accelerator detector for detecting the depression amount of the accelerator pedal and a signal from the throttle detector as in the case of the former prior art, to open the throttle valve to a desired value. It is possible to open the valve according to the characteristics.
この場合、制御回路による制御精度を確保する上で、ス
ロツトル弁が全閉位置から開弁され始める時点における
前記アクセル検出器からの信号と、スロツトル検出器か
らの信号とが一致するように両検出器の基準調整を行う
必要があるが、両検出器が車室とエンジンルームとに互
に離間して配置されるため調整作業が面倒となり、又ア
クセルペダルの遊び量の調整に際し両検出器の再調整の
必要を生じ、メンテナンスが面倒になる問題がある。In this case, in order to ensure the control accuracy of the control circuit, both signals are detected so that the signal from the accelerator detector at the time when the throttle valve starts to be opened from the fully closed position and the signal from the throttle detector match. It is necessary to make a reference adjustment of the detector, but since both detectors are placed separately from each other in the vehicle compartment and the engine room, the adjustment work becomes troublesome, and when adjusting the amount of play of the accelerator pedal, both detectors must be adjusted. There is a problem that readjustment becomes necessary and maintenance becomes troublesome.
本発明は、上記した機械的連動機構を備えるものでは、
回転体の回転角がアクセルペダルの踏込量に相当するパ
ラメータになることに着目し、回転体の回転角に応じた
制御を行うことで上記の問題点を解決した装置を提供す
ることをその目的とする。The present invention includes the above mechanical interlocking mechanism,
Focusing on the fact that the rotation angle of the rotating body becomes a parameter corresponding to the depression amount of the accelerator pedal, it is an object of the present invention to provide a device that solves the above problems by performing control according to the rotation angle of the rotating body. And
(問題点を解決するための手段) 本発明は、上記目的を達成すべく車両用エンジンのスロ
ツトル弁をアクセルペダルに機械的に連動する回転体の
回転角に比例したアクセル開度に開弁する機械的連動機
構と、該スロツトル弁の開度を該アクセル開度以下に減
少可能なアクチユエータとを備えるものにおいて、該回
転体と同軸上にその回転角を検出するアクセル検出器
と、該スロツトル弁と同軸上にその開度を検出するスロ
ツトル検出器とを設け、該両検出器からの信号を入力す
る制御回路により該回転体の回転角をパラメータとして
該スロツトル弁の開度が該アクセル開度以下の所定開度
になるように該アクチユエータを作動させることを特徴
とする。(Means for Solving Problems) In order to achieve the above object, the present invention opens a throttle valve of a vehicle engine to an accelerator opening degree proportional to a rotation angle of a rotating body mechanically interlocked with an accelerator pedal. A mechanical interlocking mechanism and an actuator capable of reducing the opening degree of the throttle valve to be equal to or smaller than the accelerator opening degree, wherein an accelerator detector that detects the rotation angle coaxially with the rotating body, and the throttle valve And a throttle detector for detecting the opening degree coaxially with the throttle opening degree of the throttle valve with the rotation angle of the rotating body as a parameter by a control circuit for inputting signals from the detectors. The actuator is operated so as to have the following predetermined opening.
(作 用) スロツトル弁が全閉位置から開弁され始める時点でのア
クセルペダルの踏込位置は、アクセルペダルの遊び量に
より変化するが、回転体の角度位置はこの遊び量とは関
係なく一定となり、従つて回転体の回転角を検出するア
クセル検出器とスロツトル弁の開度を検出するスロツト
ル検出器との信号がスロツトル弁の全閉位置で一致する
ように該両検出器の基準調整を行えば、該アクセル検出
器からの信号に基いて制御回路によるアクチユエータを
介してのスロツトル弁の開度制御を正確に行い得られ、
アクセルペダルの遊び量の調整に際しての該両検出器の
再調整も不要となる。(Operation) The depression position of the accelerator pedal when the throttle valve starts to open from the fully closed position changes depending on the play amount of the accelerator pedal, but the angular position of the rotating body is constant regardless of this play amount. Therefore, the reference adjustments of both detectors are performed so that the signals of the accelerator detector that detects the rotation angle of the rotating body and the throttle detector that detects the opening of the throttle valve match at the fully closed position of the throttle valve. For example, based on the signal from the accelerator detector, it is possible to accurately perform the opening control of the throttle valve via the actuator by the control circuit,
There is no need to readjust both detectors when adjusting the amount of play of the accelerator pedal.
又、該回転体は、スロツトル弁の配置部近傍に配置で
き、従つて該両検出器を互に近接位置に配置することが
可能となり、該両検出器の基準調整に際してのアクセル
ペダルの操作(従来技術のものではアクセルペダルを開
弁開始位置まで踏込む必要がある)が不要になることと
相俟つて調整作業が容易になる。Further, the rotating body can be arranged in the vicinity of the arrangement portion of the throttle valve, so that both detectors can be arranged in close proximity to each other, and the operation of the accelerator pedal at the time of reference adjustment of both detectors ( In the related art, it is not necessary to depress the accelerator pedal to the valve opening start position), which facilitates the adjustment work.
(実施例) 第1図を参照して、(1)は車両用エンジンの吸気通
路、(2)は該通路(1)に設けたスロツトル弁を示
し、該スロツトル弁(2)の配置部近傍に、アクセルペ
ダル(3)に連るワイヤ(4)を巻回したドラムから成
る回転体(5)をその回転軸(5a)が該スロツトル弁
(2)の弁軸(2a)に平行なるように軸設し、該スロツ
トル弁(2)を該回転体(5)との間に設けた機械的連
動機構(6)により該回転体(5)の回転角(以下θa
と記す)に比例したアクセル開度(以下θbと記す)に
開弁し得るようにした。(Embodiment) With reference to FIG. 1, (1) shows an intake passage of a vehicle engine, (2) shows a throttle valve provided in the passage (1), and the vicinity of an arrangement portion of the throttle valve (2). In addition, a rotating body (5) composed of a drum around which a wire (4) connected to an accelerator pedal (3) is wound so that its rotation axis (5a) is parallel to the valve axis (2a) of the throttle valve (2). And a rotation angle (hereinafter referred to as θa) of the rotating body (5) by a mechanical interlocking mechanism (6) axially installed on the rotating body and the slot valve (2) provided between the rotating body (5).
The valve can be opened at an accelerator opening (hereinafter referred to as θb) proportional to
該連動機構(6)は、該回転体(5)に一体の第1レバ
ー(7)と、該第1レバー(7)にリンク(8)を介し
て連結される前記弁軸(2a)に軸支した第2レバー
(9)と、該第2レバー(9)にコイルスプリング(1
0)を介して連結される該弁軸(2a)に固定の連結板(1
1)とで構成されるものとし、アクセルペダル(3)の
踏込操作によれば、ワイヤ(4)を介して該回転体
(5)が戻しばね(5b)に抗して図面で反時計方向に回
転され、この回転が該第1レバー(7)と該リンク
(8)と該第2レバー(9)と該コイルスプリング(1
0)とを介して該連結板(11)に伝達されて、スロツト
ル弁(2)が戻しばね(2b)に抗して図面で反時計方向
の開き側に回転されるようにした。The interlocking mechanism (6) is connected to a first lever (7) integrated with the rotating body (5) and the valve shaft (2a) connected to the first lever (7) via a link (8). The second lever (9) pivotally supported and the coil spring (1
Connection plate (1) fixed to the valve shaft (2a) connected via
1) and, when the accelerator pedal (3) is stepped on, the rotating body (5) passes through the wire (4) against the return spring (5b) in the counterclockwise direction in the drawing. This rotation is caused by the first lever (7), the link (8), the second lever (9) and the coil spring (1).
0) and is transmitted to the connecting plate (11) to rotate the throttle valve (2) counterclockwise to the opening side in the drawing against the return spring (2b).
尚、該連結板(11)は、これに形成したストツパ片(11
a)において第2レバー(9)に対しコイルスプリング
(10)の反時計方向への巻締め力により戻しばね(2b)
より強い力で係止されるようになつており、かつて常時
は該連結板(11)に該第2レバー(9)と一体の反時計
方向への回転が与えられるようにした。The connecting plate (11) has a stopper piece (11
In a), the return spring (2b) is applied to the second lever (9) by the tightening force of the coil spring (10) in the counterclockwise direction.
It is adapted to be locked by a stronger force, and in the past, the connecting plate (11) was always allowed to rotate counterclockwise integrally with the second lever (9).
ここで、θaとθbの比例関係は第1レバー(7)と第
2レバー(9)とのレバー比で決定され、図示のもので
はこのレバー比を1:1としてθa=θbの比例関係が成
立するようにした。Here, the proportional relationship between θa and θb is determined by the lever ratio between the first lever (7) and the second lever (9), and in the illustrated case, the lever ratio is 1: 1 and the proportional relationship of θa = θb is shown. It was approved.
図面で(12)は連結板(11)に形成したレバー部(11
b)に時計方向から係合するように弁軸(2a)の端部に
軸支した第3レバーを示し、該第3レバー(12)をパル
スモータから成るアクチユエータ(13)によりその出力
軸上の第4レバー(14)とリンク(15)とを介して回動
自在とした。In the drawing, (12) is a lever (11) formed on the connecting plate (11).
b) shows a third lever pivotally supported at the end of the valve shaft (2a) so as to engage in the clockwise direction, and the third lever (12) is mounted on the output shaft of the actuator (13) composed of a pulse motor. It is made rotatable via the fourth lever (14) and the link (15).
これによれば、スロツトル弁(2)が上記連動機構
(6)によりθbに開弁されても、該アクチユエータ
(13)により該第3レバー(12)を該レバー部(11b)
に係合させた状態で時計方向に回動させれば、該連結板
(11)はコイルスプリング(10)を巻締めつつ第2レバ
ー(9)に対し時計方向即ち閉弁方向に回動され、スロ
ツトル弁(2)の開度(以下θthと記す)はθb以下に
減少される。According to this, even if the throttle valve (2) is opened to θb by the interlocking mechanism (6), the actuator (13) causes the third lever (12) to move the third lever (12) to the lever portion (11b).
When the connecting plate (11) is rotated clockwise with the coil spring (10) being wound, the connecting plate (11) is rotated clockwise with respect to the second lever (9), that is, in the valve closing direction. The opening degree of the throttle valve (2) (hereinafter referred to as θth) is reduced to θb or less.
図面で(16)は第4レバー(14)に係合する最低開度設
定用及び開方向の動作規制用のストツパを示す。In the drawing, (16) shows a stopper for setting the minimum opening degree for engaging the fourth lever (14) and for restricting the operation in the opening direction.
又、前記θaを検出すべく回転体(5)の回転軸(5a)
に連結したエンコーダから成るアクセル検出器(17)
と、θthを検出すべくスロツトル弁(2)の弁軸(2a)
に連結したエンコーダから成るスロツトル検出器(18)
とを設けると共に、該両検出器(17)(18)からの信号
と、更にエンジンの吸気負圧(以下PBと記す)を検出す
る負圧検出器(19)からの信号とを入力するマイクロコ
ンピユータから成る制御回路(20)を設け、該制御回路
(20)により前記アクチユエータ(13)の作動を制御す
るようにした。Also, the rotary shaft (5a) of the rotating body (5) for detecting the θa.
Accelerator detector consisting of encoder connected to (17)
And the valve shaft (2a) of the throttle valve (2) to detect θth.
Slot detector consisting of an encoder coupled to (18)
And the signals from the detectors (17) and (18) and the signal from the negative pressure detector (19) for detecting the intake negative pressure of the engine (hereinafter referred to as P B ) are input. A control circuit (20) composed of a micro computer is provided, and the operation of the actuator (13) is controlled by the control circuit (20).
ところで、エンジンの機種に応じ燃費性との関係でエン
ジン回転数(以上Neと記す)に関するPBの最適値(以下
PNと記す)が例えば第4図のa線の如く決まり、このPN
を得るのに必要なθthのおおよその値(以下θNと記
す)が同図b線の如く決まり、更にエンジンの要求特性
からθaに対してのNeの目標値も同図c線の如く決まる
もので、結局θthがθaに応じたNeの目標値に対応する
θNになるようにスロツトル弁(2)を制御すれば燃費
性を可及的に向上できることになる。By the way, depending on the type of engine, the optimum value of P B (hereinafter
P N ) is determined as shown by the line a in Fig. 4, for example, and this P N
The approximate value of θth (hereinafter referred to as θ N ) required to obtain is determined as shown in line b in the same figure, and the target value of Ne with respect to θa is also determined as shown in line c in the figure from the required characteristics of the engine. what is, it becomes possible to eventually improve θth as possible the fuel consumption by controlling the Surotsutoru valve (2) so as to theta N corresponding to the target value of Ne corresponding to the .theta.a.
この場合θaとθNとの関係は例えば第5図に示す如く
となり、前記制御回路(20)によりアクチユエータ(1
3)を作動させてθthがθb以下のθNになるように制
御することが必要となる。In this case, the relationship between θa and θ N is as shown in FIG. 5, for example, and the control circuit (20) causes the actuator (1
It is necessary to operate 3) so that θth becomes θ N equal to or less than θb.
第2図は前記制御回路(20)の全体的なプログラムを示
し、所定時間毎にプログラムが開始され(S1)、次いで
θth,θa,PBを読込みストアし(S2)、その後スロツト
ル制御サブルーチン(S3)、他の制御ルーチン(S4)を
実行して終る(S5)もので、第3図に該プログラムのス
ロツトル制御サブルーチンの詳細を示す。FIG. 2 shows the overall program of the control circuit (20). The program is started every predetermined time (S 1 ), then θth, θa, P B are read and stored (S 2 ), and then the slot control is performed. The subroutine (S 3 ) and other control routines (S 4 ) are executed and ended (S 5 ), and FIG. 3 shows the details of the slot control subroutine of the program.
このサブルーチンでは、先ずS1とS2とにおいて第4図の
特性を書込んだテーブルからθaパラメータとしてθN
とPNとを読出し、次いでS3でθthがθb−△θより小さ
いか否かの判定を行い、ここで「YES」と判定されればS
4に歩進してθthがθNを中心にした一定範囲に存在す
るか否か、即ちθN−α1<θth<θN+α2であるか
否かの判定を行い、判定結果が「YES」であればS5に歩
進してPBとPNとを比較し、PB>PNであればS6に歩進して
前記アクチユエータ(13)を閉方向、即ち第3レバー
(12)を介してスロツトル弁(2)を閉じ側に回動させ
る第1図で時計方向に駆動してPBを減少(1PB1を増加)
させ、又PB>PNであればS7に歩進して該アクチユエータ
(13)を開方向、即ちスロツトル弁(2)を前記コイル
スプリング(10)の付勢力で開き側に戻す第1図で反時
計方向に駆動してPBを増加(1PB1を減少)させ、PB=PN
になつたところでS8に歩進して該アクチユエータ(13)
を停止する。In this subroutine, first, S 1 and S 2 Metropolitan θ as θa parameters from Figure 4 characteristic writing the table in N
And P N are read, then it is determined in S 3 whether θth is smaller than θb−Δθ, and if “YES” is determined here, S is determined.
Step 4 is performed and it is determined whether or not θth exists in a certain range around θ N, that is, θ N −α 1 <θ th <θ N + α 2 , and the determination result is “ and incremented in S 5 compares the P B and P N if YES ", P B> P if N was incremented in S 6 the actuator (13) to the closing direction, that is, the third lever Rotate the throttle valve (2) to the closing side via (12) Drive clockwise in Fig. 1 to decrease P B (increase 1 P B 1)
Is allowed, and P B> P if N was incremented in S 7 the actuator (13) the opening direction, i.e., the first return Surotsutoru valve (2) on the opening side by the biasing force of the coil spring (10) In the figure, drive counterclockwise to increase P B (decrease 1 P B 1), P B = P N
At that point, proceed to S 8 and proceed to the actuator (13).
To stop.
ここで、PB=PNとなるθthの値がθN−α1<θth<θ
N+α2の範囲に確実に含まれるようにα1,α2を例え
ば8゜程度に設定し、θthがこの範囲に存しないとき
は、S4からS9に歩進してθthがθNより大きいか否かを
判定し、大きければS6に歩進してアクチユエータ(13)
を閉方向と、小さければS7に歩進してアクチユエータ
(13)を開方向とに駆動し、θthが上記範囲に入るよう
にスロツトル弁(2)を制御する。Here, the value of θth such that P B = P N is θ N −α 1 <θth <θ
If α 1 and α 2 are set to, for example, about 8 ° so as to be surely included in the range of N + α 2 , and θth does not exist in this range, step S 4 to S 9 and θth is θ N. Determine if it is larger, and if it is larger, proceed to S 6 and actuate (13)
To the closing direction, and if smaller, to S 7 to drive the actuator (13) in the opening direction to control the throttle valve (2) so that θth falls within the above range.
この場合、スロツトル検出器(18)の調整誤差等でθth
の検出値が実際のθthよりも小さくなり、θbとθNと
の偏差の小さな領域で実際のθthがθbになつているに
も係らずθthの検出値がθN−α1より小さな値を示す
可能性があり、かくするときはS4からS9を経てS7に進ん
でアクチユエータ(13)が開方向に駆動されるが、スロ
ツトル弁(2)は機械的連動機構(6)によりθb以上
には開弁されないようになつているため、θthの検出値
はアクチユエータ(13)の開方向への駆動によつてもθ
N−α1を上回ることはなく、このままではアクチユエ
ータ(13)がいつまでも開方向に駆動されて、第3レバ
ー(12)が連結板(11)のレバー部(11b)から反時計
方向に大きく離間し、その後アクセル操作によりアクチ
ユエータ(13)が閉方向に駆動される状態となつたと
き、第3レバー(12)のレバー部(11b)への係合遅れ
を生じ、応答性が悪くなる。In this case, due to the adjustment error of the slot detector (18), θth
The detected value is smaller than the actual [theta] th, a θb and theta actual small value detection value than theta N-.alpha. 1 of [theta] th is [theta] th despite the is decreased to θb in a small area of the difference between N There is a possibility that it will be shown. When doing so, the actuator (13) is driven in the opening direction by going from S 4 to S 9 and then to S 7 , but the throttle valve (2) is driven by θb by the mechanical interlocking mechanism (6). Since the valve is not opened any more than the above, the detected value of θth will be θ even if the actuator (13) is driven in the opening direction.
It does not exceed N- α 1, and if it is left as it is, the actuator (13) is continuously driven in the opening direction, and the third lever (12) is largely separated in the counterclockwise direction from the lever portion (11b) of the connecting plate (11). Then, after that, when the actuator (13) is driven in the closing direction by the accelerator operation, there is a delay in engagement of the third lever (12) with the lever portion (11b), and the responsiveness deteriorates.
然し、アクセル検出器(17)とスロツトル開度検出器
(18)とからの信号がスロツトル弁(2)の全閉時に一
致するように該両検出器(17)(18)の基準調整をして
おけば、θthがθbになつたとき、スロツトル検出器
(18)によるθthの検出値とアクセル検出器(17)によ
るθaの検出値から求められるθbの検出値とはほぼ等
しくなり、調整誤差や機械的連動機構(6)のガタを見
込んだ偏差量△θを1゜〜2゜程度に設定すれば、θth
がθbになつたとき、θthの検出値は確実にθbの検出
値から△θを引いた値以上になり、従つてS3で「NO」と
判定されてS6に歩進し、アクチユエータ(13)が閉方向
に駆動されて上記した不具合は生じない。However, the reference adjustment of both the detectors (17) and (18) is made so that the signals from the accelerator detector (17) and the throttle opening detector (18) coincide with each other when the throttle valve (2) is fully closed. That is, when θth becomes θb, the detected value of θth by the throttle detector (18) and the detected value of θb obtained from the detected value of θa by the accelerator detector (17) become almost equal, and the adjustment error If the deviation amount Δθ that allows for the play of the mechanical interlocking mechanism (6) is set to about 1 ° to 2 °, θth
When θ becomes θb, the detected value of θth surely becomes equal to or more than the detected value of θb minus Δθ, and accordingly, it is determined as “NO” in S 3 and the process proceeds to S 6, and the actuator (13 ) Is driven in the closing direction and the above-mentioned problems do not occur.
(発明の効果) 以上の如く本発明によるときは、アクセル検出器として
アクセルペダルに連動しスロツトル弁に機械的連動機構
を介して連結される回転体の回転角を検出する検出器を
用いるもので、従来の如くアクセルペダルの踏込量を検
出するアクセル検出器を用いるものと異り、アクセル検
出器とスロツトル検出器とを近接位置に配置できると共
に、アクセルペダルの遊びとは無関係に該両検出器の基
準調整を行い得られて、調整作業が容易になり、而もア
クセスペダルの遊び量の調整に際しての該両検出器の再
度の基準調整を行わなくとも、スロツトル弁の開度をア
クセル開度以下の所定開度に正確に制御でき、メンテナ
ンス性も良好となる効果を有する。(Effects of the Invention) As described above, according to the present invention, a detector that detects a rotation angle of a rotating body that is interlocked with an accelerator pedal and that is connected to a throttle valve through a mechanical interlocking mechanism is used as an accelerator detector. Unlike the conventional one that uses an accelerator detector that detects the amount of depression of the accelerator pedal, the accelerator detector and the slot detector can be arranged in close proximity, and both detectors can be operated independently of the play of the accelerator pedal. The adjustment work can be performed easily, and even if the reference adjustment of both detectors is not performed again when the play amount of the access pedal is adjusted, the opening degree of the throttle valve can be changed to the accelerator opening degree. The following predetermined opening can be accurately controlled, and the maintainability is improved.
第1図は本発明装置の1例の斜視図、第2図は制御回路
による全体的なプログラムを示すフローチヤート、第3
図はスロツトル制御サブルーチンのフローチヤート、第
4図はエンジンの要求特性を示す線図、第5図はスロツ
トル弁の制御特性を示す線図である。 (2)……スロツトル弁、(3)……アクセルペダル (5)……回転体、(6)……機械的連動機構 (13)……アクチユエータ、(17)……アクセル検出器 (18)……スロツトル検出器、(20)……制御回路FIG. 1 is a perspective view of an example of the device of the present invention, and FIG. 2 is a flow chart showing an overall program by a control circuit.
FIG. 4 is a flow chart of the throttle control subroutine, FIG. 4 is a diagram showing required characteristics of the engine, and FIG. 5 is a diagram showing control characteristics of the throttle valve. (2) …… Slottle valve, (3) …… Accelerator pedal (5) …… Rotating body, (6) …… Mechanical interlocking mechanism (13) …… Actuator, (17) …… Accelerator detector (18) ...... Slottle detector, (20) ...... Control circuit
Claims (1)
ペダルに機械的に連動する回転体の回転角に比例したア
クセル開度に開弁する機械的連動機構と、該スロツトル
弁の開度を該アクセル開度以下に減少可能なアクチユエ
ータとを備えるものにおいて、該回転体と同軸上にその
回転角を検出するアクセル検出器と、該スロツトル弁と
同軸上にその開度を検出するスロツトル検出器とを設
け、該両検出器からの信号を入力する制御回路により該
回転体の回転角をパラメータとして該スロツトル弁の開
度が該アクセル開度以下の所定開度になるように該アク
チユエータを作動させることを特徴とする車両用エンジ
ンのスロツトル制御装置。1. A mechanical interlocking mechanism for opening a throttle valve of a vehicle engine to an accelerator opening proportional to a rotation angle of a rotating body mechanically interlocking with an accelerator pedal, and an opening of the throttle valve for opening the throttle valve. In what is provided with an actuator that can be reduced to an opening or less, an accelerator detector that detects the rotation angle coaxially with the rotating body, and a slot detector that detects the opening coaxially with the throttle valve. A control circuit for inputting signals from both detectors is used to operate the actuator so that the opening of the throttle valve becomes a predetermined opening below the accelerator opening by using the rotation angle of the rotor as a parameter. A vehicle engine throttle control device characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61309468A JPH0689697B2 (en) | 1986-12-29 | 1986-12-29 | Slot engine control device for vehicle engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP61309468A JPH0689697B2 (en) | 1986-12-29 | 1986-12-29 | Slot engine control device for vehicle engine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63167036A JPS63167036A (en) | 1988-07-11 |
JPH0689697B2 true JPH0689697B2 (en) | 1994-11-09 |
Family
ID=17993352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61309468A Expired - Fee Related JPH0689697B2 (en) | 1986-12-29 | 1986-12-29 | Slot engine control device for vehicle engine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0689697B2 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2616768B2 (en) * | 1987-01-21 | 1997-06-04 | トヨタ自動車株式会社 | Throttle valve control device |
DE3901585A1 (en) * | 1989-01-20 | 1990-07-26 | Vdo Schindling | LOAD ADJUSTMENT DEVICE |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56121836A (en) * | 1980-01-30 | 1981-09-24 | Lucas Industries Ltd | Controller for throttle of internal combustion engine |
JPS59190440A (en) * | 1983-04-11 | 1984-10-29 | Nissan Motor Co Ltd | Accelerator controller for vehicle |
JPS61272423A (en) * | 1985-05-27 | 1986-12-02 | Nippon Denso Co Ltd | Throttle control device for vehicle |
JPS63140832A (en) * | 1986-06-26 | 1988-06-13 | Toyota Motor Corp | Throttle valve controlling device of internal combustion engine |
-
1986
- 1986-12-29 JP JP61309468A patent/JPH0689697B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56121836A (en) * | 1980-01-30 | 1981-09-24 | Lucas Industries Ltd | Controller for throttle of internal combustion engine |
US4392502A (en) * | 1980-01-30 | 1983-07-12 | Lucas Industries Limited | Internal combustion engine throttle control |
JPS59190440A (en) * | 1983-04-11 | 1984-10-29 | Nissan Motor Co Ltd | Accelerator controller for vehicle |
JPS61272423A (en) * | 1985-05-27 | 1986-12-02 | Nippon Denso Co Ltd | Throttle control device for vehicle |
JPS63140832A (en) * | 1986-06-26 | 1988-06-13 | Toyota Motor Corp | Throttle valve controlling device of internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
JPS63167036A (en) | 1988-07-11 |
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