KR960023759A - Ignition timing control device during acceleration and method - Google Patents

Abstract

Cylinder sensing means for sensing a cylinder performing a power stroke and outputting an electrical signal corresponding thereto; Engine speed detection means for outputting a pulse signal of a corresponding period in accordance with the rotation operation of the crankshaft; Throttle valve detection means for detecting an opening amount of the throttle valve linked to the acceleration pedal, and outputting a corresponding electric signal; Cooling water temperature detection means for sensing the temperature of the cooling water and outputs an electrical signal corresponding thereto; It is determined whether the acceleration occurs according to the cooling water temperature detected according to the driving state of the vehicle and the amount of change in the opening degree of the throttle valve, and the acceleration state is determined when the detected cooling water temperature is higher than the set temperature and the amount of change in the opening degree of the throttle valve is higher than the set amount. By reading the set ignition timing according to the detected cylinder detection signal and reading the correction value set according to the engine speed at the time of acceleration, correcting the ignition timing according to the read correction value, and then Engine control means for outputting an ignition signal accordingly; The ignition timing control device at the time of acceleration which consists of ignition means by which a high voltage is applied and ignited according to the ignition signal output from the said engine control means is made so that the information according to an acceleration occurrence may be applied to the ignition timing of a present state, when a vehicle accelerates. By correcting the ignition timing, it is possible to obtain the engine output according to the acceleration characteristics by improving the acceleration response and providing a method thereof.

Description

Ignition timing control device during acceleration and method

Since this is an open matter, no full text was included.

1 is a block diagram of a configuration of an ignition timing control device during acceleration according to an embodiment of the present invention.

Claims (5)

Cylinder sensing means for sensing a cylinder performing a power stroke and outputting an electrical signal corresponding thereto; Engine speed detection means for outputting a pulse signal of a corresponding period in accordance with the rotation operation of the crankshaft; Throttle valve detection means for detecting an opening amount of the throttle valve linked to the acceleration pedal, and outputting a corresponding electric signal; Cooling water temperature detection means for sensing the temperature of the cooling water and outputs an electrical signal corresponding thereto; It is judged whether the acceleration occurs according to the cooling water temperature detected according to the driving state of the vehicle and the amount of change in the opening degree of the throttle valve, and the acceleration state is determined when the detected cooling water temperature is higher than or equal to the set temperature and the amount of change in the opening degree of the throttle valve is higher than or equal to the set amount. By reading the previously set ignition timing according to the detected cylinder detection signal and reading the correction value set according to the engine speed at the time of acceleration, correcting the ignition timing according to the read correction value, Engine control means for outputting an ignition signal in accordance with the timing; An ignition timing control device during acceleration, comprising: ignition means for igniting with high voltage applied according to the ignition signal output from the engine control means. The engine control means according to claim 1, wherein the previously set ignition timing is set according to the engine state before acceleration occurs, and the ignition timing is corrected according to the correction value according to the engine speed at the time of acceleration generation. And an ignition timing control device during acceleration, which is applied to a current engine state in accordance with the occurrence of acceleration. Determining whether an acceleration occurs by sensing a coolant temperature and an engine speed; Determining whether the cylinder detection signal is input when the acceleration occurs, and reading the previously set ignition timing when the cylinder detection signal is input; Detecting an engine speed according to an acceleration state, and reading an ignition timing correction value set according to the detected engine speed; And correcting the ignition timing according to the read-out correction value, and outputting an ignition signal at a corresponding ignition timing. The method of claim 3, wherein in the determining whether the acceleration occurs, when the detected temperature of the cooling water is equal to or greater than the set temperature corresponding to the acceleration generation, and the amount of opening of the detected throttle valve is equal to or greater than the predetermined amount corresponding to the acceleration generation. And determining that the current vehicle state is in an acceleration state. 4. The method according to claim 3, wherein the previously set ignition timing is set according to the engine state before acceleration is issued, and when the acceleration occurs, the ignition timing is corrected according to the correction value according to the engine speed, and the current according to the acceleration occurrence. Ignition timing control method at the time of acceleration, characterized in that applied to the engine state. ※ Note: The disclosure is based on the initial application.