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    • 5. 发明授权
    • Method for detecting malfunctioning in a sensor
    • 检测传感器故障的方法
    • US06928854B2
    • 2005-08-16
    • US10168670
    • 2000-12-20
    • Martin HartzManfred StrohrmannDetlev StraubChristof HammelJuergen BiesterUdo Schulz
    • Martin HartzManfred StrohrmannDetlev StraubChristof HammelJuergen BiesterUdo Schulz
    • F02D45/00F02D41/18F02D41/22G01M15/00
    • F02D41/222F02D41/187Y02T10/40
    • A method for detecting a malfunction of a sensor measuring a measured quantity is provided, in which a signal-range check for the output signal of the sensor is performed, provided that the measured quantity is within a permissible range. If the measured quantity is outside the permissible range, no signal-range check is performed, but the output signal is used for detecting the measured quantity and for further calculations. The sensor may be, for example, a hot-film air-mass meter. If this is the case, the measured quantity is the drawn-in air mass, and the signal-range check is performed, provided that the engine operating state and thus the drawn-in air satisfies specifiable conditions. In addition to the signal-range check, onboard diagnoses with regard to specifiable plausibility criteria relating to the offset-drift and/or the sensitivity-drift of the sensor may also be performed.
    • 提供了一种用于检测测量量的传感器故障的方法,其中,如果测量量在容许范围内,则执行传感器的输出信号的信号范围检查。 如果测量的数量超出允​​许范围,则不进行信号范围检查,但输出信号用于检测测量量和进一步计算。 传感器可以是例如热膜空气质量计。 如果是这种情况,则测量的量是吸入的空气质量,并且执行信号范围检查,只要发动机运行状态和吸入的空气满足可指定的条件即可。 除了信号范围检查之外,还可以执行关于与偏移漂移有关的可指定合理性标准和/或传感器的灵敏度漂移的车载诊断。
    • 8. 发明授权
    • Device for measuring the mass of a flowing medium
    • 用于测量流动介质质量的装置
    • US06591675B1
    • 2003-07-15
    • US09830164
    • 2001-10-22
    • Klaus DodererHans HechtGerhard HueftleManfred StrohrmannRainer SchardUwe Konzelmann
    • Klaus DodererHans HechtGerhard HueftleManfred StrohrmannRainer SchardUwe Konzelmann
    • G01F168
    • G01F1/6845G01F1/6842
    • The invention relates to a device having a sensor carrier, which comprises a sheet-metal element and a plastic element and on which a measuring element introduced into the flowing medium is disposed. The use of plastic, which for the most part covers the sheet-metal element, means closer tolerances, which improve the performance of the sensor carrier both in terms of its facing into the flow and experiencing a flow around it, for instance by providing it with an improved aerodynamic leading edge, or the measuring element can be mounted flush to the surface and flush with edges of a sensor cavern, so that no turbulence occurs in the medium in the region of the measuring element or flow under the measuring element. The sensor region of the measuring element is reliably protected by recesses in the longitudinal edges and by a special adhesive bonding process from a gel emerging from the electronic evaluation circuit, so that the measuring characteristic curve behavior is not altered.
    • 本发明涉及一种具有传感器载体的装置,该传感器载体包括片状金属元件和塑料元件,并且在其上设置引入到流动介质中的测量元件。 使用大部分覆盖金属板元件的塑料意味着较小的公差,其改善了传感器载体在其面向流动并且经历其周围的流动方面的性能,例如通过提供它 具有改进的空气动力学前沿,或者测量元件可以平齐地安装到表面并与传感器洞穴的边缘齐平,使得在测量元件区域中的介质或测量元件下方的流动中不会发生湍流。 测量元件的传感器区域通过纵向边缘中的凹槽以及通过从电子评估电路出来的凝胶的特殊粘合工艺被可靠地保护,使得测量特性曲线行为不改变。
    • 9. 发明授权
    • Printed-circuit board having a plastic part for accommodating a measuring device
    • 具有用于容纳测量装置的塑料部件的印刷电路板
    • US07373816B2
    • 2008-05-20
    • US10574059
    • 2004-09-03
    • Manfred StrohrmannRainer Schard
    • Manfred StrohrmannRainer Schard
    • G01F1/68
    • G01F1/684G01F1/6842
    • The arrangement relates to a hot-film mass flow meter for recording the flow rate of a flowing medium in the intake tract or the charge air tract of an internal combustion engine. A substrate part is provided, that accommodates a sensor chip, which is allocated to a channel that has flowing through it at least one partial mass flow of the flowing medium. The sensor chip extends into channel that has flowing through it the partial mass flow of the flowing medium. The substrate part is formed either as a separately extruded plastic tongue or as a cavity extruded of plastic material. The sensor chip is integrated downstream with respect to a flow direction of the flowing medium, so as to lie behind a leading edge.
    • 该装置涉及用于记录内燃机的进气道或增压空气流中的流动介质的流量的热膜质量流量计。 提供了一个基板部件,其容纳传感器芯片,该传感器芯片被分配给流过其中的流动介质的至少一个部分质量流的通道。 传感器芯片延伸到通过其流动介质的部分质量流动的通道。 衬底部分形成为单独挤出的塑料舌片或形成由塑料材料挤出的空腔。 传感器芯片相对于流动介质的流动方向被集成在下游,以便位于前缘之后。
    • 10. 发明申请
    • Printed-circuit board having a plastic part for accommodating a measuring device
    • 具有用于容纳测量装置的塑料部件的印刷电路板
    • US20070107511A1
    • 2007-05-17
    • US10574059
    • 2004-09-03
    • Manfred StrohrmannRainer Schard
    • Manfred StrohrmannRainer Schard
    • G01F1/68
    • G01F1/684G01F1/6842
    • The arrangement relates to a hot-film mass flow meter for recording the flow rate of a flowing medium in the intake tract or the charge air tract of an internal combustion engine. A substrate part is provided, that accommodates a sensor chip, which is allocated to a channel that has flowing through it at least one partial mass flow of the flowing medium. The sensor chip extends into channel that has flowing through it the partial mass flow of the flowing medium. The substrate part is formed either as a separately extruded plastic tongue or as a cavity extruded of plastic material. The sensor chip is integrated downstream with respect to a flow direction of the flowing medium, so as to lie behind a leading edge.
    • 该装置涉及用于记录内燃机的进气道或增压空气流中的流动介质的流量的热膜质量流量计。 提供了一个基板部件,其容纳传感器芯片,该传感器芯片被分配给流过其中的流动介质的至少一个部分质量流的通道。 传感器芯片延伸到通过其流动介质的部分质量流动的通道。 衬底部分形成为单独挤出的塑料舌片或形成由塑料材料挤出的空腔。 传感器芯片相对于流动介质的流动方向被集成在下游,以便位于前缘之后。