JPS60131669U - Internal combustion engine ignition timing control device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は杏考案の構成を示す概要図、第２図は本考案カ
ー実施例を示す概略構成図、第３図はその要部回路図、
第４図ａ〜ｆは第３図中の対応する部分の信号波形区、
第５図は第２図中のスロットル開度センサの特性図、第
６図は第２区中の加速検知手段の特性図、第７図は第３
図中の遅角制御部の特性図、第８図〜第１０区は負荷の
増加度と遅角量の関係を示す図、第１１図は本考案の他
の実施例を示すフローナヤートである。 １：負荷検出手段（スロットル開度センサ）、２：加速
検知手段（３：微分回路、４：比較器）、８．．９：進
角制御手段（８：遠心進角装置、９：真空進角装置）、
１５，１６，１７：遅角制御手段（１５：ＲＳフリップ
フロップ、１６：積分器、１７：比較器）、１ｏ６：制
御プログラム中の加速検知手段に対応するステップ、１
０９〜１１２：制御プログラム中の遅角制御手段に対応
するステップ。 １　　　　　−−−−−−−−−−−−−−コ、　　　
　　＋　　　　、３　　　４　　＋−／− 第４図 一一一］ １　・４−耳 １　　　　： １　　　＠　　　　　　、− １：Fig. 1 is a schematic diagram showing the configuration of the Anzu device, Fig. 2 is a schematic configuration diagram showing an embodiment of the car of the invention, Fig. 3 is a circuit diagram of its main parts,
Figures 4a to 4f are signal waveform sections corresponding to those in Figure 3;
Fig. 5 is a characteristic diagram of the throttle opening sensor in Fig. 2, Fig. 6 is a characteristic diagram of the acceleration detection means in the second section, and Fig. 7 is a characteristic diagram of the throttle opening sensor in the third section.
The characteristic diagram of the retard control section in the figure, FIGS. 8 to 10 are diagrams showing the relationship between the degree of increase in load and the amount of retard, and FIG. 11 is a flow chart showing another embodiment of the present invention. 1: Load detection means (throttle opening sensor), 2: Acceleration detection means (3: differentiation circuit, 4: comparator), 8. ．． 9: Advance angle control means (8: Centrifugal advance angle device, 9: Vacuum advance angle device),
15, 16, 17: Retard control means (15: RS flip-flop, 16: integrator, 17: comparator), 1o6: Step corresponding to acceleration detection means in control program, 1
09-112: Steps corresponding to the retard control means in the control program. 1 −−−−−−−−−−−−−−ko,
+ , 3 4 +-/- Fig. 4-1] 1 ・4-ear 1: 1 @ , - 1:

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 機関の負荷および機関回転数に対応して常時点火進角を
制御する進角制御手段と、機関の負荷に対応した出力を
生ずる負荷検出手段と、上記負荷検出手段の出力の増加
度が設定レベルをこえたときに加速信号を発生する加速
検知手段と、上記加速信号に対応して上記進角制御手段
により決定される点火時期よりノッキング防止に必要な
量だけ点火時期を遅らせる遅角制御手段を備えたことを
特徴とする内燃機関の点火時期制御装置。An advance angle control means for constantly controlling the ignition advance angle in accordance with the engine load and engine speed, a load detection means for generating an output corresponding to the engine load, and an increase rate of the output of the load detection means at a set level. an acceleration detection means for generating an acceleration signal when the acceleration exceeds the acceleration signal; and a retard control means for retarding the ignition timing by an amount necessary to prevent knocking from the ignition timing determined by the advance control means in response to the acceleration signal. An ignition timing control device for an internal combustion engine, characterized by comprising: