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公开(公告)号：US20130193754A1
公开(公告)日：2013-08-01
申请号：US13564021
申请日：2012-08-01
IPC分类号： B60L11/18
CPC分类号： B60L11/1851 , H02H9/041 , H02H11/003 , H02J7/0034
摘要： A reverse polarity protection circuit includes a p-channel MOSFET, an n-channel MOSFET, zener diodes, a coil that suppresses a backward flow of an electric current, a resistor that retains a voltage difference between a source of the p-channel MOSFET and a drain of the n-channel MOSFET, a resistor that protects the circuit if short-circuit destruction of the p-channel MOSFET occurs, a resistor that protects the circuit if short-circuit destruction of the n-channel MOSFET occurs, an electrolytic capacitor that suppresses fluctuation in an input voltage to a power supply control IC, a battery that supplies a voltage to an ECU, and the power supply control IC that generates a voltage for causing an IC in the ECU to operate.
摘要翻译： 反极性保护电路包括p沟道MOSFET，n沟道MOSFET，齐纳二极管，抑制电流反向流过的线圈，保持p沟道MOSFET的源极和 n沟道MOSFET的漏极，如果发生p沟道MOSFET的短路破坏，则保护电路的电阻器，发生n沟道MOSFET的短路损坏时保护电路的电阻器，电解电容器 抑制对电源控制IC的输入电压的波动，向ECU供给电压的电池以及产生用于使ECU中的IC运行的电压的电源控制IC。
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公开(公告)号：US20090243574A1
公开(公告)日：2009-10-01
申请号：US12372355
申请日：2009-02-17
IPC分类号： G05F1/00
CPC分类号： F02D41/20 , F02D2041/2006 , F02D2041/2017
摘要： An internal combustion engine controller comprises a booster coil connected to a battery and a booster capacitor. A switch element is connected to the booster coil to control the passage of current through the booster coil and an interruption of the current. The booster capacitor accumulates electrical energy generated with an inductance of the booster coil at the time of the interruption of the passage of the current. A booster control circuit carries out control in a constant boost switching cycle so as to pass the current through the booster coil and the switch element until the current reaches a preset switching stop threshold value and then interrupt the current to charge the energy generated with the inductance of the booster coil into the booster capacitor. The booster control circuit is configured to ensure a minimum time period for the booster capacitor-charging of the energy within the boost switching cycle.
摘要翻译： 内燃机控制器包括连接到电池的升压线圈和升压电容器。 开关元件连接到升压线圈以控制通过升压线圈的电流的通过和电流的中断。 升压电容器在电流通过中断时累积用升压线圈的电感产生的电能。 升压控制电路在恒定的升压开关周期中进行控制，以使电流通过升压线圈和开关元件，直到电流达到预设的开关停止阈值，然后中断电流以对由电感产生的能量进行充电 的升压线圈进入升压电容器。 升压器控制电路被配置为确保升压电容器对升压开关周期内的能量充电的最小时间周期。
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公开(公告)号：US20110222202A1
公开(公告)日：2011-09-15
申请号：US13034757
申请日：2011-02-25
申请人： Kohei ONDA , Ayumu HATANAKA , Akira MISHIMA , Takuya MAYUZUMI , Fumiaki NASU , Mitsuhiko WATANABE
发明人： Kohei ONDA , Ayumu HATANAKA , Akira MISHIMA , Takuya MAYUZUMI , Fumiaki NASU , Mitsuhiko WATANABE
IPC分类号： H01H47/22
CPC分类号： F02D41/20 , F02D2041/2003 , F02D2041/2058
摘要： Disclosed is an electromagnetic valve driving circuit capable of reducing a load of a booster circuit.A boost driving FET 202 is connected to a route formed between the booster circuit 100 and a first terminal of an injector 3. A battery-side driving FET 212 and a battery protection diode Db are connected to a route formed between a positive-polarity side of a power supply and the first terminal of the injector 3. A freewheeling diode Df is connected at a first terminal thereof to a portion between the first terminal of the injector 3 and the battery protection diode Db, and at a second terminal thereof to a grounding side of the power supply. An injector downstream-side driving FET 220 is connected to a route formed between the second terminal of the injector 3 and the grounding side of the power supply. In addition to operating the FETs 202, 212, and 220 according to a level of a current which flows through the injector 3, a control circuit 240 activates the battery-side driving FET 212 during a period in which the boost driving FET 202 repeatedly turns on and off a plurality of times.
摘要翻译： 公开了一种能够减小升压电路的负载的电磁阀驱动电路。 升压驱动用FET202与形成在升压电路100和喷射器3的第一端子之间的路径连接。电池侧驱动用FET212和电池保护用二极管Db与形成在正极侧 电源和喷射器3的第一端子。续流二极管Df在其第一端连接到注射器3的第一端子和电池保护二极管Db之间的部分，并且在其第二端子处连接到 接地侧电源。 喷射器下游侧驱动FET220与形成在喷射器3的第二端子与电源的接地侧之间的路径连接。 除了根据流过注射器3的电流的水平来操作FET202,212和220之外，控制电路240在升压驱动FET 202反复转动的时段期间激活电池侧驱动FET 212 多次打开和关闭。
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公开(公告)号：US20090107469A1
公开(公告)日：2009-04-30
申请号：US12257074
申请日：2008-10-23
CPC分类号： F02D41/20 , F02D41/221 , F02D2041/2013 , F02D2041/2044 , F02D2041/2058 , F02D2041/2093 , F02D2041/227 , Y02T10/40
摘要： There is proposed a control unit for an internal combustion engine, which comprises a boost circuit, a switching element, a current detecting resistor and a controller and is designed to be actuated such that the boost circuit is used to boost a power source voltage to create a boosted voltage and the controller is used to control the switching element so as to enable the boosted voltage to flow to the injector solenoid coil. This control unit is designed such that, when the boost circuit goes out of order, the injector solenoid coil is excited by making use of the power source voltage without using the boosted voltage and without creating a peak current to thereby generate a first holding current required for opening the injector and a second holding current required for retaining the opened state of the injector, the second holding current being lower in intensity than the first holding current.
摘要翻译： 提出了一种用于内燃机的控制单元，其包括升压电路，开关元件，电流检测电阻器和控制器，并被设计为被致动，使得升压电路用于提高电源电压以产生 升压电压，并且控制器用于控制开关元件，以便使升压的电压能够流到喷射器螺线管线圈。 该控制单元被设计成使得当升压电路不顺序时，通过利用电源电压而不使用升压电压而激励喷射器螺线管线圈，并且不产生峰值电流，从而产生所需的第一保持电流 用于打开喷射器和保持喷射器的打开状态所需的第二保持电流，第二保持电流的强度低于第一保持电流。
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公开(公告)号：US20080289607A1
公开(公告)日：2008-11-27
申请号：US11958096
申请日：2007-12-17
CPC分类号： F02D41/20 , F02D41/221 , F02D2041/2003 , F02D2041/2041 , F02D2041/2058 , F02D2041/2082 , F02D2041/2086
摘要： An internal combustion engine controller has: a voltage booster circuit for boosting a battery power source; a booster side driver element for flowing a current through the injectors by using the boosted voltage; a battery side driver element disposed in parallel with the booster side driver element to flow a current through the injectors by using the battery power source; a first downstream side driver element provided by controlling currents flowing through the injectors; current regeneration diodes for flowing currents from the downstream side to the upstream side of the injectors; a booster side current detector resistor for detecting currents flowing via the current regeneration diodes; and an injector control circuit for controlling and driving the booster side driver element, battery side driver element and first downstream side driver element.
摘要翻译： 内燃机控制器具有：用于升压电池电源的升压电路; 用于通过使用所述升压电压使电流流过所述喷射器的增压器侧驱动元件; 电池侧驱动器元件，其与所述增压器侧驱动元件并联设置，以通过使用所述电池电源使电流流过所述喷射器; 通过控制流过喷射器的电流而提供的第一下游侧驱动元件; 用于从喷射器的下游侧到上游侧的流动的电流再生二极管; 用于检测经由所述电流再生二极管流过的电流的升压器侧电流检测器电阻器; 以及用于控制和驱动增压器侧驱动元件，电池侧驱动元件和第一下游侧驱动元件的喷射器控制电路。
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公开(公告)号：US20110023835A1
公开(公告)日：2011-02-03
申请号：US12832814
申请日：2010-07-08
CPC分类号： F02D41/22 , F02D41/20 , F02D41/221 , F02D41/28 , F02D2041/2058 , F02D2041/2065 , F02D2041/2086 , F02D2041/2093 , F02D2041/224 , Y02T10/40
摘要： In an internal combustion engine controller, a clock trouble determination signal from a clock trouble determining circuit that diagnoses any clock input trouble is transmitted in parallel with an abnormality diagnosis signal outputted from an abnormality diagnosing circuit and causes it to be inputted to a trouble/abnormality signal output circuit, and the trouble/abnormality signal output circuit achieves logical summing to output one line of resultant trouble/abnormality output OR signals to a microprocessor (MP). The MP outputs to the trouble/abnormality signal output circuit a trouble/abnormality confirmation input signal, and makes definite any of an abnormal state, a clock trouble state and a normal state based on the result of switching control of the status level of the pertinent trouble/abnormality output OR signal.
摘要翻译： 在内燃机控制器中，来自诊断任何时钟输入故障的时钟故障判定电路的时钟故障判定信号与从异常诊断电路输出的异常诊断信号并行发送，并将其输入到故障/异常 信号输出电路，故障/异常信号输出电路实现逻辑求和，将一行合成故障/异常输出OR信号输出到微处理器（MP）。 MP向故障/异常信号输出电路输出故障/异常确认输入信号，并且基于相关的状态级别的切换控制的结果，确定任何异常状态，时钟故障状态和正常状态 故障/异常输出OR信号。
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公开(公告)号：US20090183714A1
公开(公告)日：2009-07-23
申请号：US11869447
申请日：2007-10-09
申请人： Takuya MAYUZUMI
发明人： Takuya MAYUZUMI
IPC分类号： F02M51/00
CPC分类号： F02D41/20 , F02D2041/2003 , F02D2041/2006 , F02D2041/201 , H02M1/32
摘要： In a voltage boost circuit for driving a fuel injector of an internal combustion engine, a high voltage developed in the voltage boost coil will be discharged into the battery power supply through the boost coil by electrically energizing a discharge switching element provided in parallel to the charging diode. If the overboost compensation overlaps a boost execution period, the end of the boost execution period will await starting of the overboost compensation.
摘要翻译： 在用于驱动内燃机的燃料喷射器的升压电路中，在升压线圈中产生的高电压将通过对与该充电器并联设置的放电开关元件进行供电而通过升压线圈而放电到电池电源 二极管。 如果过载补偿与升压执行周期重叠，则升压执行周期的结束将等待启动过压补偿。
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