公开(公告)号：WO2015071245A1

公开(公告)日：2015-05-21

申请号：PCT/EP2014/074237

申请日：2014-11-11

Applicant: DELPHI AUTOMOTIVE SYSTEMS LUXEMBOURG SA

Inventor： LORENZ, Frank ,  LOENARZ, Marco ,  WEYAND, Peter

IPC: F02P3/04 ,  F02P15/10 ,  F02D41/00

CPC classification number: F02P15/10 ,  F02D41/009 ,  F02P3/0442 ,  F02P3/053 ,  F02P3/0554 ,  F02P17/12

Abstract: A method of controlling an ignition system, said ignition system including a spark plug control unit adapted to control at least two coil stages so as to successively energise and de-energise said coil stage(s) to provide a current to a spark plug, including two stages comprising a first transformer (T1) including a first primary winding (L1) inductively coupled to a first secondary winding (L2); a second transformer (T2) including a second primary winding (L3) inductively coupled to a second secondary winding (L4); said control unit enabled to simultaneously energize and deenergize primary windings (L1, L3) by simultaneously switching on and off two corresponding switches (Q1, Q2) to maintain a continuous ignition fire, and includes a step-down converter stage located between said control unit and coil stage(s), said step-down converter including a switch (M1) and a diode (D3), said control unit being enabled to switch off said switch (M1), wherein the method provides control to limit the secondary current peak at the end of the Coupled Multi-Charge period, comprising the step of, at the end of the Coupled Multi-Charge period: switching off M1, Q1 and Q2.

Abstract translation: 一种控制点火系统的方法，所述点火系统包括火花塞控制单元，该火花塞控制单元适于控制至少两个线圈级，以便对所述线圈架依次通电和断电以向火花塞提供电流，包括 两级包括：第一变压器（T1），包括感应耦合到第一次级绕组（L2）的第一初级绕组（L1）; 包括感应耦合到第二次级绕组（L4）的第二初级绕组（L3）的第二变压器（T2）; 所述控制单元能够通过同时接通和断开两个相应的开关（Q1，Q2）来同时激励和断电初级绕组（L1，L3），以保持连续的点火火焰，并且包括降压转换器级，位于所述控制单元 所述降压转换器包括开关（M1）和二极管（D3），所述控制单元能够断开所述开关（M1），其中所述方法提供控制以限制二次电流峰值 在耦合多次充电周期结束时，包括在耦合多次充电期间结束时关断M1，Q1和Q2的步骤。

公开(公告)号：WO2015071243A1

公开(公告)日：2015-05-21

申请号：PCT/EP2014/074235

申请日：2014-11-11

Applicant: DELPHI AUTOMOTIVE SYSTEMS LUXEMBOURG SA

Inventor： LORENZ, Frank ,  LOENARZ, Marco ,  WEYAND, Peter

IPC: F02P3/04 ,  F02P15/10 ,  F02D41/00

CPC classification number: F02P15/10 ,  F02D41/009 ,  F02P3/0442 ,  F02P3/053 ,  F02P3/0554 ,  F02P17/12

Abstract: A method of controlling an ignition system, said ignition system including a spark plug control unit adapted to control at least one coil stage (T1, T2), said coil stage (T1, T2) adapted to successively energise and de-energise said coil stage(s) (T1, T2) to provide a current to a spark plug, each of said coil stage(s) (T1, T2) including a primary winding (L1, L3) inductively coupled to a secondary winding (L2, L4), comprising: measuring the low side voltages at the one or more of each primary and/or secondary windings, and controlling the duty cycle or the pulse width of the PWM-signal of the step-down-converter (M1, D3) dependent on the battery voltage, maximum primary current threshold and said measured voltages.

Abstract translation: 一种控制点火系统的方法，所述点火系统包括适于控制至少一个线圈级（T1，T2）的火花塞控制单元，所述线圈级（T1，T2）适于连续地使所述线圈级通电和断电 （T1，T2），以向火花塞提供电流，所述线圈级（T1，T2）中的每一个包括感应耦合到次级绕组（L2，L4）的初级绕组（L1，L3） 包括：测量每个初级和/或次级绕组中的一个或多个的低侧电压，并且控制降压转换器（M1，D3）的PWM信号的占空比或脉冲宽度取决于 电池电压，最大初级电流阈值和所测量的电压。

公开(公告)号：WO2013135907A1

公开(公告)日：2013-09-19

申请号：PCT/EP2013/055551

申请日：2013-03-18

Applicant: DELPHI AUTOMOTIVE SYSTEMS LUXEMBOURG SA

Inventor： HEISE, Volker ,  LOENARZ, Marco ,  LORENZ, Frank

IPC: F02P9/00 ,  F02P15/08 ,  F02P15/10 ,  F02P3/04 ,  F02P3/055

CPC classification number: F02P3/0407 ,  F02P3/0442 ,  F02P3/055 ,  F02P9/002 ,  F02P9/007 ,  F02P15/10 ,  F02P15/12 ,  F02P2017/121

Abstract: An ignition system for an internal combustion engine comprises an ignition transformer with two primary windings (L P1 , L P2 ). The ignition system is designed to generate, for a given ignition event, a unipolar current (I SEC ) through the secondary winding (L SEC ) by way of a control circuit (20) that is configured to first energize and deenergize the first primary winding (L P1 ) to establish a first electrical arc across the sparkplug electrodes (14) and, when the current (I SEC ) in the secondary winding reaches, or drops below, a current threshold (I SEC_TH ), repeatedly energizes and deenergizes the second primary winding (L P2 ) to establish a plurality of second current pulses across the electrodes in order to maintain the burn phase.

Abstract translation: 用于内燃机的点火系统包括具有两个初级绕组（LP1，LP2）的点火变压器。 点火系统被设计成通过控制电路（20）为给定的点火事件产生通过次级绕组（LSEC）的单极电流（ISEC），该控制电路被配置为首先给第一初级绕组（LP1）通电和断电 ），以在所述火花塞电极（14）之间建立第一电弧，并且当所述次级绕组中的电流（ISEC）到达或降低到电流阈值（ISEC_TH）时，重复地激励和断电所述第二初级绕组（LP2） 以跨电极建立多个第二电流脉冲，以便保持燃烧阶段。

公开(公告)号：WO2015071246A1

公开(公告)日：2015-05-21

申请号：PCT/EP2014/074238

申请日：2014-11-11

Applicant: DELPHI AUTOMOTIVE SYSTEMS LUXEMBOURG SA

Inventor： LORENZ, Frank ,  LOENARZ, Marco ,  WEYAND, Peter

IPC: F02P3/04 ,  F02P15/10 ,  F02D41/00

CPC classification number: F02P15/10 ,  F02D41/009 ,  F02P3/0442 ,  F02P3/053 ,  F02P3/0554 ,  F02P17/12

Abstract: A method to limit the maximum primary current peak in an ignition system including a spark plug control unit adapted to at least one coil stage is disclosed, said coil stage adapted to successively energise and de-energise said coil stage(s) to provide a current to a spark plug, each of said coil stage(s) including a primary winding (L1, L3) inductively coupled to a secondary winding (L2,L4) under control of said spark plug control unit, and including a step-down converter stage located between said control unit and coil stage(s), said step- down converter including a switch (M1) and a diode (D3), comprising compare the primary current Ip with a threshold value Ipmaxth, and holding the primary current at this threshold value operating by control of the step down converter.

Abstract translation: 公开了一种限制包括适合于至少一个线圈级的火花塞控制单元的点火系统中的最大一次电流峰值的方法，所述线圈级适于对所述线圈级相继地通电和断电以提供电流 每个所述线圈架包括在所述火花塞控制单元的控制下感应耦合到次级绕组（L2，L4）的初级绕组（L1，L3），并且包括降压转换器级 位于所述控制单元和线圈架之间，所述降压转换器包括开关（M1）和二极管（D3），包括将初级电流Ip与阈值Ipmaxth进行比较，并将初级电流保持在该阈值 值通过降压转换器的控制运行。