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首页> 外文会议>Annual Conference of the IEEE Industrial Electronics Society >Calorimetric flow sensors based on thick-film printed thermopiles for air conditioning system monitoring
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Calorimetric flow sensors based on thick-film printed thermopiles for air conditioning system monitoring

机译：基于厚膜印刷热电堆的量热流量传感器，用于空调系统监控

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Air conditioning systems need permanent monitoring of the mass and energy flows in the air ducts to assess their proper operation and detect and correct changes that may occur with time. This is a prerequisite for energy efficiency and demanded by recent legislation such as the Energy Performance of Buildings Directive issued by the European Union. Such distributed monitoring systems require low-cost and robust flow sensors that need not be extremely precise, but give a good indication of the flow distribution within the air conditioning system. In this paper we present a technology feasibility study to implement flow sensors based on thick-film thermopiles printed by silk screen printing on a plastic carrier film. Finite element simulation studies using Cu-Ni thermopiles prove the viability of the sensor concept. Within the scope of a thorough analysis of the sensor design space, an optimized layout could be found which together with a feedback control operating mode allows for a substantially enlarged dynamic range of the sensor.
机译：空调系统需要对风管中的质量和能量流进行永久监视，以评估其正常运行并检测并纠正可能随时间发生的变化。这是提高能源效率的先决条件，并且是最新法规（例如，欧盟发布的《建筑物能源性能指令》）所要求的。这样的分布式监控系统需要低成本且坚固的流量传感器，这些传感器不需要非常精确，但是可以很好地指示空调系统内的流量分布。在本文中，我们提出了一项技术可行性研究，以基于通过丝网印刷在塑料载体膜上印刷的厚膜热电堆来实现流量传感器。使用Cu-Ni热电堆的有限元模拟研究证明了传感器概念的可行性。在对传感器设计空间进行全面分析的范围内，可以找到一种优化的布局，该布局与反馈控制操作模式一起可大大扩大传感器的动态范围。

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