公开(公告)号：US20100059023A1

公开(公告)日：2010-03-11

申请号：US12522551

申请日：2008-01-02

申请人： Harald Schmauss ,  Walter Schrod

发明人： Harald Schmauss ,  Walter Schrod

IPC分类号： F02M51/00 ,  H01H47/00

CPC分类号： H03K17/08142 ,  H03K17/6871 ,  H03K2217/0036

摘要： A circuit arrangement for operating at least one inductive load, for example a solenoid of a fuel injection valve, is configured to feed back electrical energy into a storage capacitor in a freewheeling phase after driving the load. In order to avoid an unwanted voltage increase on the capacitor, the circuit arrangement includes a DC/DC converter with the output-side storage capacitor to provide an operating voltage for the load. A drivable circuit arrangement optionally connects the load to the capacitor, and a freewheeling diode arrangement feeds back electrical energy into the capacitor after the circuit arrangement has been switched off. A protection circuit, which is connected in parallel with the capacitor, provides a current path for limiting the charging voltage on the capacitor in the event of an excessively high voltage on the capacitor.

摘要翻译： 用于操作至少一个感性负载（例如燃料喷射阀的螺线管）的电路装置被配置为在驱动负载之后以续流期将电能反馈到储能电容器中。 为了避免电容器上的不必要的电压增加，电路装置包括具有输出侧存储电容器的DC / DC转换器，以为负载提供工作电压。 可驱动的电路装置可选地将负载连接到电容器，并且续流二极管装置在电路装置关闭之后将电能反馈到电容器中。 与电容器并联连接的保护电路在电容器上的电压过高的情况下提供用于限制电容器上的充电电压的电流通路。

公开(公告)号：US20080231245A1

公开(公告)日：2008-09-25

申请号：US12064860

申请日：2006-07-24

申请人： Harald Schmauss ,  Walter Schrod

发明人： Harald Schmauss ,  Walter Schrod

IPC分类号： G05F1/46

CPC分类号： H02N2/067 ,  F02D41/2096 ,  F02M63/0026

摘要： A current source contains a first switching element which is provided with a control input and is embodied and arranged in such a way that an output flow on an output side of a current source can be adjusted according to a control signal at the control input. The current source also contains a reference resistance that is electrically coupled to a first switching element in such a way that a potential difference above the reference resistance represents the output flow. The adjustment signal of a regulator unit depends on the voltage difference above the reference resistance, is the control signal of the first switching element, and contains a time function element which limits a first value of the output flow to a maximum duration and then reduces the value of the output flow.

摘要翻译： 电流源包括具有控制输入的第一开关元件，并且被实施和布置成使得可以根据控制输入端的控制信号来调节电流源的输出侧上的输出流。 电流源还包含电耦合到第一开关元件的参考电阻，使得高于参考电阻的电位差表示输出流。 调节器单元的调整信号取决于参考电阻之上的电压差，是第一开关元件的控制信号，并且包含将输出流的第一值限制到最大持续时间的时间函数元素，然后减小 输出流量的值。

公开(公告)号：US07358644B2

公开(公告)日：2008-04-15

申请号：US10962795

申请日：2004-10-12

申请人： Eric Chemisky ,  Walter Schrod

发明人： Eric Chemisky ,  Walter Schrod

IPC分类号： H01L41/08

CPC分类号： H01L41/042 ,  F02D41/2096 ,  F02D2041/2031 ,  H02N2/06

摘要： A method for the electric control of an actuator, especially a piezoelectric actuator of an injection system comprises the following steps: charging the actuator; waiting during a specific period of time (D1, D2) and discharging the actuator after the expiration of the period of time (D1, D2). The period of time (D1, D2) is variably determined in order to compensate the quantization steps.

摘要翻译： 一种致动器的电控制方法，特别是喷射系统的压电致动器的方法包括以下步骤：对致动器进行充电; 在特定时间段（D 1，D 2）中等待，并在该时间段（D 1，D 2）期满后对执行机构进行排气。 为了补偿量化步长，可变地确定时间段（D 1，D 2）。

公开(公告)号：US20060067024A1

公开(公告)日：2006-03-30

申请号：US10537624

申请日：2003-10-31

申请人： Eric Chemisky ,  Walter Schrod

发明人： Eric Chemisky ,  Walter Schrod

IPC分类号： H01H47/00

CPC分类号： F02D41/221 ,  F02D41/2096 ,  F02D41/22 ,  F02D2400/16 ,  G01R31/2829 ,  H02N2/067

摘要： The invention relates to a monitoring method for an actuator (CP), in particular for a piezoelectric actuator (CP) on an injection valve for an internal combustion engine, comprising the following steps: measurement of the electrical current (iR1), flowing through the actuator (CP) in an actuator circuit, measurement of the electrical current (iR3), flowing before or after the actuator (CP) in the actuator circuit, comparison of both measured currents (iR1, iR2) for recognition of a fault and generation of a diagnostic signal (DIAG), displaying the fault, depending on the comparison. According to the invention, the diagnostic signal (DIAG) can take on at least three different values for the representation of an earth short-circuit, a voltage short-circuit and an error-free status depending on the comparison of the measured currents. The invention further relates to a corresponding driver circuit.

摘要翻译： 本发明涉及一种用于致动器（CP）的监测方法，特别是用于内燃机喷射阀上的压电致动器（CP）的监测方法，包括以下步骤：测量流过的电流（iR 1） 致动器电路中的致动器（CP），在致动器电路中的致动器（CP）之前或之后流动的电流（iR 3）的测量，用于识别致动器的两个测量电流（iR 1，iR 2） 故障和诊断信号​​的产生（DIAG），根据比较显示故障。 根据本发明，根据测量电流的比较，诊断信号（DIAG）可以承受至少三个不同的值来表示地短路，电压短路和无差错状态。 本发明还涉及相应的驱动电路。

公开(公告)号：US06563252B2

公开(公告)日：2003-05-13

申请号：US10100241

申请日：2002-03-18

申请人： Walter Schrod

发明人： Walter Schrod

IPC分类号： H01L4108

CPC分类号： F02D41/2096 ,  H02N2/067

摘要： A capacitive actuator is charged from a charged energy storage capacitor via a transformer by applying pulse width-modulated control signals with a specific voltage, frequency and duty ratio to a charging switch disposed on the primary side. The duration, magnitude and waveform of the actuator voltage can in this case be chosen as required. The actuator can be discharged in the same way.

摘要翻译： 通过将具有特定电压，频率和占空比的脉冲宽度调制的控制信号施加到设置在初级侧的充电开关，通过变压器从充电的能量存储电容器充电电容性致动器。 在这种情况下，可以根据需要选择执行器电压的持续时间，幅度和波形。 执行器可以以相同的方式排放。

公开(公告)号：US20110181228A1

公开(公告)日：2011-07-28

申请号：US12991813

申请日：2009-05-05

申请人： Walter Schrod ,  Christian Tump

发明人： Walter Schrod ,  Christian Tump

IPC分类号： G05B11/01

CPC分类号： H02N2/067 ,  F02D41/2096

摘要： In a method and apparatus for controlling of a servo-drive, in particular of a solid state actuator in which the servo-drive is controlled during each control process by means of a two-point regulator (R2P), the two-point regulator (R2P) has a power signal (I) as control signal for actuation of the servo-drive. An upper switch point (PO) of the two-point controller (R2P) is allocated to one maximum power value (ÎOn) and a lower switch point (PU) of the two-point controller (R2P) is allocated to one minimum power value (ÎUm). The upper switch point (PO) and the lower switch point (PU) are established during the controlling process so that they are separated in pairs by at least a minimum default spacing (Dmin).

摘要翻译： 在用于控制伺服驱动器的方法和装置中，特别是通过两点调节器（R2P）在每个控制过程期间伺服驱动器被控制的固态致动器中，两点调节器 R2P）具有作为驱动伺服驱动器的控制信号的功率信号（I）。 将两点控制器（R2P）的上切换点（PO）分配给一个最大功率值（μO），并将两点控制器（R2P）的下切换点（PU）分配给一个最小功率值 （ÎUm）。 在控制过程中建立上切换点（PO）和下切换点（PU），使它们成对分开至少最小默认间距（Dmin）。

公开(公告)号：US20100268440A1

公开(公告)日：2010-10-21

申请号：US12742896

申请日：2008-11-14

申请人： Christian Reichinger ,  Walter Schrod ,  Hans-Jörg Wiehoff

发明人： Christian Reichinger ,  Walter Schrod ,  Hans-Jörg Wiehoff

IPC分类号： F02D41/30 ,  G01R27/00 ,  H01L41/09

CPC分类号： H02N2/065 ,  F02D41/2096 ,  F02D41/2438 ,  F02D41/2467 ,  F02M51/0603 ,  F02M2200/701 ,  F02M2200/702 ,  H02N2/067

摘要： In a method for calibration, a piezo-actuator (1) is actuated in a motor vehicle by a control circuit and an output stage. The piezo actuator is, in particular, part of the injection valve. The piezo-actuator (1) is subjected to an electric calibration pulse that is in the high-level signal range thereof when the control circuit and the output stage are in operation, the frequency thereof being modified over time. The associated electric impendence curve over the frequency is determined and evaluated during the calibration pulse. The output stage is controlled by the control circuit in such a manner that the calibration pulse is generated.

摘要翻译： 在校准方法中，压电致动器（1）通过控制电路和输出级在机动车辆中被致动。 压电致动器尤其是喷射阀的一部分。 压电致动器（1）在控制电路和输出级工作时受到处于其高电平信号范围内的电校准脉冲，其频率随时间而改变。 在校准脉冲期间确定和评估频率上的相关电阻曲线。 输出级由控制电路控制，使得产生校准脉冲。

公开(公告)号：US07709996B2

公开(公告)日：2010-05-04

申请号：US11916594

申请日：2006-06-06

申请人： Christian Hauser ,  Klaus Kiel ,  Manfred Kramel ,  Heinz Lixl ,  Gabriel Marzahn ,  Walter Schrod

发明人： Christian Hauser ,  Klaus Kiel ,  Manfred Kramel ,  Heinz Lixl ,  Gabriel Marzahn ,  Walter Schrod

IPC分类号： H01L41/09

CPC分类号： H01L41/042 ,  F02D41/2096 ,  F02D2041/2034 ,  H02N2/067

摘要： A tendency of the controlled load to oscillate when controlling a capacitive load can be avoided according to a piezo actuator for an injection valve of an internal combustion engine, having charging and discharging processes for charging and discharging the capacitive load by means of a load current, each loading process being effected by chronological partial load current pulses according to chronological partial charging capacity pulses (p1, p2, . . . pn), wherein the envelope (E) of the partial charging capacity pulses (p1, p2, . . . pn), during the loading process, increases in a strictly monotonous manner in an initial phase, and the slope of the envelope decreases in a monotonous manner.

摘要翻译： 根据用于内燃机的喷射阀的压电致动器，通过负载电流对容性负载进行充电和放电的充放电过程，可以避免控制负载在控制容性负载时振荡的趋势， 每个装载过程根据时间部分充电容量脉冲（p1，p2，...，pn）按时间顺序部分负载电流脉冲进行，其中部分充电容量脉冲（p1，p2，...，pn）的包络 ），在加载过程中，在初始阶段以严格单调的方式增加，并且包络的斜率以单调的方式减小。

公开(公告)号：US09112431B2

公开(公告)日：2015-08-18

申请号：US12742896

申请日：2008-11-14

申请人： Christian Reichinger ,  Walter Schrod ,  Hans-Jörg Wiehoff

发明人： Christian Reichinger ,  Walter Schrod ,  Hans-Jörg Wiehoff

IPC分类号： F02D41/30 ,  G01R27/00 ,  H01L41/09 ,  H02N2/06 ,  F02D41/20 ,  F02D41/24 ,  F02M51/06

CPC分类号： H02N2/065 ,  F02D41/2096 ,  F02D41/2438 ,  F02D41/2467 ,  F02M51/0603 ,  F02M2200/701 ,  F02M2200/702 ,  H02N2/067

摘要： In a method for calibration, a piezo-actuator (1) is actuated in a motor vehicle by a control circuit and an output stage. The piezo actuator is, in particular, part of the injection valve. The piezo-actuator (1) is subjected to an electric calibration pulse that is in the high-level signal range thereof when the control circuit and the output stage are in operation, the frequency thereof being modified over time. The associated electric impendence curve over the frequency is determined and evaluated during the calibration pulse. The output stage is controlled by the control circuit in such a manner that the calibration pulse is generated.

摘要翻译： 在校准方法中，压电致动器（1）通过控制电路和输出级在机动车辆中被致动。 压电致动器尤其是喷射阀的一部分。 压电致动器（1）在控制电路和输出级工作时受到处于其高电平信号范围内的电校准脉冲，其频率随时间而改变。 在校准脉冲期间确定和评估频率上的相关电阻曲线。 输出级由控制电路控制，使得产生校准脉冲。

公开(公告)号：US08461794B2

公开(公告)日：2013-06-11

申请号：US12991813

申请日：2009-05-05

申请人： Walter Schrod ,  Christian Tump

发明人： Walter Schrod ,  Christian Tump

IPC分类号： G05B17/01 ,  H02N2/06

CPC分类号： H02N2/067 ,  F02D41/2096

摘要： In a method and apparatus for controlling of a servo-drive, in particular of a solid state actuator in which the servo-drive is controlled during each control process by means of a two-point regulator (R2P), the two-point regulator (R2P) has a power signal (I) as control signal for actuation of the servo-drive. An upper switch point (PO) of the two-point controller (R2P) is allocated to one maximum power value (ÎOn) and a lower switch point (PU) of the two-point controller (R2P) is allocated to one minimum power value (ÎUm). The upper switch point (PO) and the lower switch point (PU) are established during the controlling process so that they are separated in pairs by at least a minimum default spacing (Dmin).

摘要翻译： 在用于控制伺服驱动器的方法和装置中，特别是通过两点调节器（R2P）在每个控制过程期间伺服驱动器被控制的固态致动器中，两点调节器 R2P）具有作为驱动伺服驱动器的控制信号的功率信号（I）。 将两点控制器（R2P）的上切换点（PO）分配给一个最大功率值（μO），并将两点控制器（R2P）的下切换点（PU）分配给一个最小功率值 （ÎUm）。 在控制过程中建立上切换点（PO）和下切换点（PU），使它们成对分开至少最小默认间距（Dmin）。