Novel piezoelectrical drive mechanism for small valves

机译：小阀门的新型压电驱动机构

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摘要

Piezo actuators show several advantageous properties which make them interesting as drives for fluid power components. However, using these actuators poses a technological challenge. In order to use commercially available piezoelectric stack actuators as drives in small valves, a new piezoelectrical drive mechanism was developed. This paper presents a concept to ensure proper valve operation, independent of manufacturing variations and temperature influences. The tolerance to manufacturing variations is realised by an adjustable design. For the temperature stability a compensation mechanism is shown, which helps suppress the thermally induced deflections. The required miniaturization is achieved by a load-specific design.

机译：压电执行器显示出几种有利的属性，使其成为流体动力部件的驱动器。然而，使用这些执行器构成了技术挑战。为了使用市售的压电叠层致动器作为小阀门的驱动，开发了一种新的压电驱动机构。本文介绍了一种概念，以确保适当的阀门操作，独立于制造变化和温度影响。通过可调节的设计实现了对制造变化的容差。对于温度稳定性，示出了补偿机构，其有助于抑制热诱导的偏转。所需的小型化是通过载荷特异性设计实现的。

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来源
《International Fluid Power Conference Dresden》|2012年||共14页
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Ralf Tautenhahn; Tobias Dreher; Jürgen Weber; Maik Fuchs;
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原文格式 PDF
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中图分类 52.712083;
关键词
piezo; stack actuator; valve; tolerances; adjustment; temperature compensation;

机译：压电;堆叠执行器;阀门;公差;调整;温度补偿;

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Novel piezoelectrical drive mechanism for small valves

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