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    • 51. 发明专利
    • Discharge device
    • 放电设备
    • JP2013165062A
    • 2013-08-22
    • JP2013023985
    • 2013-02-12
    • Ngk Insulators Ltd日本碍子株式会社
    • SHIMIZU NAOHIROURUSHIBARA TOMONORISHIONOYA WATARU
    • H05H1/24F02P3/01F02P15/10F02P17/12H05H1/46
    • F02P3/01
    • PROBLEM TO BE SOLVED: To provide a discharge device that allows improvement of output efficiency and, furthermore, reduction in switching loss, and is advantageous to cost reduction, by developing the point of view of a tailing pulse.SOLUTION: A discharge device includes: a pair of electrodes (14a and 14b); a pulse generating section 16 applying a pulse to the pair of electrodes; and a pulse control section 18 controlling the pulse generating section 16 so as to cause the pair of electrodes to generate discharge. The pulse control section 18 includes a first control section 52 applying one or more first pulses to the pair of electrodes and causing the pair of electrodes to change from first discharge to second discharge, and a second control section 54 applying two or more second pulses to the pair of electrodes after the pair of electrodes are changed from the first discharge to the second discharge.
    • 要解决的问题:提供一种能够提高输出效率并且进一步降低开关损耗并且有利于成本降低的放电装置,通过显现拖尾脉冲的观点。解决方案:一种放电装置,包括: 一对电极(14a和14b); 脉冲发生部分16,向一对电极施加脉冲; 以及脉冲控制部分18,其控制脉冲发生部分16以使该对电极产生放电。 脉冲控制部分18包括:第一控制部分52,向一对电极施加一个或多个第一脉冲,并使一对电极从第一次放电变为第二次放电,第二控制部分54施加两个或多个第二脉冲 一对电极之后的一对电极从第一次放电变为第二次放电。
    • 55. 发明专利
    • Ion current detecting device for internal combustion engine
    • 用于内燃机的离子电流检测装置
    • JP2012117375A
    • 2012-06-21
    • JP2010264816
    • 2010-11-29
    • Hanshin Electric Co Ltd阪神エレクトリック株式会社
    • SHIMADA NAOKI
    • F02P17/12F02D45/00F02P15/10
    • PROBLEM TO BE SOLVED: To provide an ion current detecting device for an internal combustion engine, which detects ion current even in an internal combustion engine having a discharge function with an ignition plug and performing combustion without discharge, while requiring no external power supply for ion current detection.SOLUTION: An engine control device ECU which outputs an ignition signal to an ignition coil 1 so as to supply a discharge current to a discharge plug, causes the ignition coil 1 to function as a DC-DC converter booster circuit by supplying a DC-DC driving signal of short period energization signal to an ignition switching element 1c at an arbitrary timing, and charges an ion current detection power supply capacitor 2a by rectifying voltage of several hundred voltage continuously generated by a charging circuit 3 at the DC-DC converter operation to be applied to a secondary coil 1b, thereby allowing ion current detection by the ion current detection circuit 2 without discharge current.
    • 要解决的问题:提供一种用于内燃机的离子电流检测装置,即使在具有火花塞的放电功能的内燃机中也能检测离子电流并且不进行放电而进行燃烧,而不需要外部电力 供应离子电流检测。 解决方案:一种发动机控制装置ECU,其向点火线圈1输出点火信号以向放电塞供给放电电流,使得点火线圈1用作DC-DC转换器升压电路, 在任意时刻向点火开关元件1c施加短时间通电信号的直流 - 直流驱动信号,并通过在DC-DC处由充电电路3连续产生的几百个电压进行整流来对离子电流检测电源电容器2a充电 转换器操作被施加到次级线圈1b,从而允许离子电流检测电路2的离子电流检测而没有放电电流。 版权所有(C)2012,JPO&INPIT
    • 57. 发明专利
    • Ignition apparatus for plasma jet ignition plug and ignition system
    • 用于等离子体喷射点火和点火系统的点火装置
    • JP2012021446A
    • 2012-02-02
    • JP2010159282
    • 2010-07-14
    • Ngk Spark Plug Co Ltd日本特殊陶業株式会社
    • NAKANO TEIJOSATO YOSHIKUNIKAMEDA HIROYUKIYAMAMURA TADASHIKASAHARA DAISUKE
    • F02P3/01F02P15/10H01T13/54H01T15/00
    • F02P3/09F02P9/007
    • PROBLEM TO BE SOLVED: To enable generation of spark discharge or the like with a center electrode as a negative electrode while a positive polarity power supply is used, and to enable adjustment of the timing of supply of electric energy and the timing of charging.SOLUTION: An ignition apparatus 32 of an ignition plug 1 generates spark discharge with the center electrode 5 as the negative electrode, and includes the positive polarity power supply PS and energy supply units 52, 53. The energy supply units 52, 53 include capacitors 54, 55 connected at one ends to the power supply PS and connected at the other ends to the ignition plug 1; switching units 56, 57 for charging connected at one ends between the capacitors 54, 55 and the ignition plug 1 and grounded at the other ends; and switching units 58, 59 for energy supply connected at one ends between the capacitors 54, 55 and the power supply PS and grounded at the other ends. According to this configuration, spark discharge and plasma generation are made possible with the center electrode 5 as the negative electrode, and the timing of supply of electric energy and the timing of charging can be adjusted.
    • 要解决的问题:为了在使用正极性电源的同时,使用中心电极作为负极来产生火花放电等,并且能够调节电能的供给时间和时间 充电。 解决方案:火花塞1的点火装置32以中心电极5为负极产生火花放电,并且包括正极性电源PS和能量供给单元52,53。能量供应单元52,53 包括在一端连接到电源PS并且在另一端连接到火花塞1的电容器54,55; 开关单元56,57用于在电容器54,55和火花塞1之间的一端连接并在另一端接地的充电; 以及用于能量供应的开关单元58,59,其一端连接在电容器54,55和电源PS之间,并在另一端接地。 根据该结构,通过中心电极5作为负极,能够实现火花放电和等离子体产生,能够调整电力供给的定时和充电时间。 版权所有(C)2012,JPO&INPIT
    • 58. 发明专利
    • Apparatus for ignition control of internal combustion engine having ignition diagnosing function
    • 具有点火诊断功能的内燃机点火控制装置
    • JP2011220168A
    • 2011-11-04
    • JP2010088777
    • 2010-04-07
    • Mitsubishi Electric Corp三菱電機株式会社
    • TANAYA KIMIHIKO
    • F02P17/12F02D45/00F02P15/10
    • F02P17/12F02P2017/125
    • PROBLEM TO BE SOLVED: To provide an ignition control apparatus that can diagnose a state of spark discharge in an internal combustion engine, and perform appropriate actions based on the diagnosis results.SOLUTION: In the internal combustion engine ignition control apparatus, the control apparatus (1) has a signal extracting device (104) that extracts an ion current generated together with combustion of a combustible gas mixture inside a combustion chamber by a spark discharge of an ignition apparatus (3) based on an ignition signal of an ignition coil (2), includes a signal diagnosing device (105) that sets a predetermined detection zone from a period in a single stroke of an internal combustion engine from a first spark discharge commencement until after a last spark discharge completion, and that determines an ignition state based on parameters included in the signal extracted in this detection zone, and controls the internal combustion engine in response to this ignition state.
    • 要解决的问题:提供一种能够诊断内燃机中的火花放电状态的点火控制装置,并且基于诊断结果进行适当的动作。 解决方案:在内燃机点火控制装置中,控制装置(1)具有信号提取装置(104),其通过火花放电提取燃烧室内的可燃气体混合物的燃烧产生的离子电流 基于点火线圈(2)的点火信号的点火装置(3)包括信号诊断装置(105),该信号诊断装置(105)从内燃机的单个行程中的期间起第一火花 放电开始直到最后一次火花放电完成之后,并且基于在该检测区域中提取的信号中包括的参数来确定点火状态,并且响应于该点火状态来控制内燃机。 版权所有(C)2012,JPO&INPIT