A kind of ignition method and device that can adjust ignition timing according to temperature
A technology of ignition timing and current temperature, which is applied to other devices, engine ignition, forward/reverse ignition, etc. It can solve the problems of easy crash at idle speed, adjustment of ignition timing of igniter, difficulty in starting, etc., and achieve the effect of simple circuit and easy implementation.
Active Publication Date: 2021-08-10
ZHENGJIANG FENGLONG ELECTRIC CO LTD
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Problems solved by technology
[0003] Working in different temperature environments, the best ignition time for the igniter matching on small gasoline engines is also different. When small gasoline engines work in low temperature areas, they often have problems such as difficulty in starting and easy crashes at idling speed. The reason is because of the temperature of the environment. Changed and the ignition timing set by the igniter is not adjusted with temperature
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[0027] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0028] Such as figure 1 As shown, a CDI ignition device with the function of adjusting the ignition time according to the temperature, including a single-chip MCU;
[0029] Single-chip microcomputer MCU is mainly used for data collection, calculation, processing and conversion, and its data collection, calculation, processing and conversion are all realized by corresponding control programs, which can be purchased through the market;
[0030] A capacitor charging circuit, which includes a charging coil L1, a diode D3, and a charging capacitor C1; the capacitor charging circuit charges the charging capacitor C1 by receiving the AC waveform generated by the charging coil L1;
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The invention discloses an ignition method and device capable of adjusting the ignition time according to the temperature. The ignition delay value t=the basic ignition delay value t0+the corrected ignition delay value tn; wherein, a digital trigger reference signal is input to obtain the current engine speed value M, the basic ignition delay value t0 is calculated; the internal temperature of the igniter is detected before ignition to obtain the current temperature value T, and the current temperature value T and the current engine speed value M are calculated to obtain the Correct the ignition delay value tn. After the digital trigger reference signal is input, the present invention will detect the temperature inside the igniter, and then calculate the corrected ignition corresponding to the current temperature and the current speed according to the obtained current temperature value T and the current engine speed value M by looking up the table. The delay value tn, the ignition timing is corrected by the corrected ignition delay value tn, so as to achieve different ignition timings corresponding to different temperatures, and ensure that the engine can start quickly and stably even in a low temperature environment.
Description
technical field [0001] The invention relates to an ignition method and device capable of adjusting ignition timing according to temperature, which is applied to small internal combustion gasoline engines, especially small gasoline engines used in low temperature areas. Background technique [0002] The ignition timing of the traditional small gasoline engine analog igniter and digital igniter does not have the function of adjusting with temperature. Its set ignition timing from engine start to high-speed operation is fixed, and will not be adjusted due to differences in ambient temperature. [0003] Working in different temperature environments, the best ignition time for the igniter matching on small gasoline engines is also different. When small gasoline engines work in low temperature areas, they often have problems such as difficulty in starting and easy crashes at idling speed. The reason is because of the temperature of the environment. changed, and the ignition timin...
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IPC IPC(8): F02P5/15F02P3/08F02P3/09
CPCF02P3/0846F02P3/09F02P5/1502Y02T10/40
Inventor 张斌张旺福李江郑梅君
Owner ZHENGJIANG FENGLONG ELECTRIC CO LTD