阅读说明：本技术 控制内燃机点火线圈的电子装置及其用于检测内燃机早燃的电子点火系统 (Electronic device for controlling ignition coil of internal combustion engine and electronic ignition system for detecting pre-ignition of internal combustion engine ) 是由 欧金尼奥·卡鲁加蒂 斯特凡诺·席尔瓦 帕斯夸莱·福特 于 2020-02-19 设计创作，主要内容包括：公开了一种控制内燃机点火线圈的电子装置(1)。该装置包括高压开关(4)、驱动单元(5)、偏置电路(6)和积分电路(7)。高压开关(4)与线圈的初级绕组串联连接,并且被配置为在闭合位置和打开位置之间切换。驱动单元(5)被配置为在将能量充入初级绕组的阶段(T-chg)期间控制高压开关的闭合,并且被配置为在从线圈的初级绕组到次级绕组的能量转移阶段(T-tr)期间以及在能量转移阶段之后的电离电流(I-ion)的测量阶段(T-ion)期间控制高压开关的打开,其中,所述电离电流借助于在能量转移阶段中由火花塞(3)生成的火花,由在发动机汽缸的燃烧室中的助燃可燃混合物的燃烧过程期间产生的离子生成。偏置电路(6)被配置为在电离电流的测量阶段(T-ion)期间生成所述电离电流(I-ion),其中,所述偏置电路串联连接到次级绕组的第二端子。积分电路(7)置于偏置电路和参考电压(GND)之间。积分电路包括串联连接到偏置电路(6)并连接在偏置电路和参考电压之间的积分电容器(C4)。积分电容器：被配置为在其中在充电阶段(t10.2,t12)期间在燃烧室中发生助燃可燃混合物的早燃的情况下,借助于在充电阶段(T-chg)期间流经次级绕组(2-2)的电离电流,在将能量充入初级绕组的阶段期间进行预充电,以便测量由于所述早燃而在充电阶段期间流经次级绕组的电离电流的积分值；被配置为在其中不发生助燃可燃混合物的早燃的情况下,在充入能量的阶段期间保持充电状态基本恒定；并且被配置为在从初级绕组到次级绕组的能量转移阶段(T-tr)期间借助于流经次级绕组的电流完全放电。(An electronic device (1) for controlling an ignition coil of an internal combustion engine is disclosed. The device comprises a high-voltage switch (4), a driving unit (5), a biasing circuit (6) and an integrating circuit (7). A high voltage switch (4) is connected in series with the primary winding of the coil and is configured to switch between a closed position and an open position. The drive unit (5) is configured to control the closing of the high-voltage switch during a phase (T _ chg) of charging energy into the primary winding and to control the opening of the high-voltage switch during an energy transfer phase (T _ tr) from the primary winding to the secondary winding of the coil and during a measurement phase (T _ ion) of an ionization current (I _ ion) following the energy transfer phase, wherein the ionization current is generated by ions produced during a combustion process of a comburent combustible mixture in the combustion chamber of the engine cylinder by means of a spark generated by the spark plug (3) in the energy transfer phase. A bias circuit (6) is configured to generate an ionization current (I _ ion) during a measurement phase (T _ ion) of the ionization current, wherein the bias circuit is connected in series to the second terminal of the secondary winding. An integration circuit (7) is interposed between the bias circuit and the reference voltage (GND). The integrating circuit includes an integrating capacitor (C4) connected in series to the bias circuit (6) and connected between the bias circuit and a reference voltage. An integrating capacitor: is configured to perform a pre-charging during a phase of charging energy into the primary winding by means of an ionization current flowing through the secondary winding (2-2) during a charging phase (T _ chg) in the event of a pre-ignition of the comburent combustible mixture occurring in the combustion chamber during the charging phase (T10.2, T12), so as to measure an integral value of the ionization current flowing through the secondary winding during the charging phase due to said pre-ignition; configured to maintain the state of charge substantially constant during the energy charging phase in the event that pre-ignition of the comburent combustible mixture does not occur therein; and is configured to be completely discharged by means of a current flowing through the secondary winding during an energy transfer phase (T tr) from the primary winding to the secondary winding.)