家用电器中可靠电流检测的柔性电流传感器标签抗电磁干扰及标定方案

2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII) Pub Date : 2013-06-16 DOI:10.1109/TRANSDUCERS.2013.6627029

Y. C. Chen, W. Hsu, S. H. Cheng, Y. T. Cheng

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引用次数: 5

摘要

针对家用电器中使用柔性电流标签进行准确的电流检测，提出了抗干扰封装和有效的校准方案。带有NiFe C-clamp条纹的传感器可以有效地防止电磁干扰(EMI)效应，将测量误差降低到2%以下，而外部电流源放置在距离被检测电源线1cm的地方。同时，提出了一种有效的基于二次多项式近似的两个传感器线圈指定间隔的校准方案，并进行了实验验证。

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Anti-electromagnetic interference and calibration schemes of flexible current sensor tag for reliable current detection in household appliance

The paper presents both anti-inference packaging and effective calibration schemes for accurate current detection in household appliance using flexible current tags. The sensor with NiFe C-clamp stripes can effectively prevent electromagnetic interference (EMI) effect and reduce the measurement error down to less than 2%, while the external current source is placed 1cm away from the power cord to be detected. Meanwhile, an effective calibration scheme using two sensor coils with a designated separation is proposed and experimentally validated for accurate current detection based on a quadratic polynomial approximation.

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2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII)

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