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首页> 外文期刊>AIP Advances >Inductance and resistance measurement method for vessel detection and coil powering in all-surface inductive heating systems composed of outer squircle coils
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Inductance and resistance measurement method for vessel detection and coil powering in all-surface inductive heating systems composed of outer squircle coils

机译:用于由外部鼠形线圈组成的全表面感应加热系统中的容器检测和线圈供电的电感和电阻测量方法

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In this work, we investigate a method proposed for vessel detection and coil powering in an all-surface inductive heating system composed of outer squircle coils. Besides conventional circular coils, coils with different shapes such as outer squircle coils are used for and enable efficient all-surface inductive heating. Validity of the method, which relies on measuring inductance and resistance values of a loaded coil at different frequencies, is experimentally demonstrated for a coil with shape different from conventional circular coil. Simple setup was constructed with a small coil to model an all-surface inductive heating system. Inductance and resistance maps were generated by measuring coil’s inductance and resistance values at different frequencies loaded by a plate made of different materials and located at various positions. Results show that in an induction hob for various coil geometries it is possible to detect a vessel’s presence, to identify its material type and to specify its position on the hob surface by considering inductance and resistance of the coil measured on at least two different frequencies. The studied method is important in terms of enabling safe, efficient and user flexible heating in an all-surface inductive heating system by automatically detecting the vessel’s presence and powering on only the coils that are loaded by the vessel with predetermined current levels.
机译:在这项工作中,我们研究了一种建议的方法,该方法用于在由外部鼠形线圈组成的全表面感应加热系统中进行容器检测和线圈供电。除了常规的圆形线圈,还使用具有不同形状的线圈(例如外部鼠形线圈)来实现有效的全表面感应加热。对于形状不同于常规圆形线圈的线圈,通过实验证明了该方法的有效性,该方法依赖于在不同频率下测量负载线圈的电感和电阻值。用一个小线圈构造简单的装置即可模拟全表面感应加热系统。电感和电阻图是通过测量由不同材料制成且位于不同位置的板加载的不同频率下的线圈的电感和电阻值而生成的。结果表明,在具有各种线圈几何形状的感应炉中,可以通过考虑在至少两个不同频率下测量的线圈的电感和电阻来检测容器的存在,识别其材料类型并指定其在炉表面上的位置。研究的方法对于通过自动检测容器的存在并仅给容器加载具有预定电流水平的线圈通电,就可以在全表面感应加热系统中实现安全,高效和用户灵活的加热,这一点很重要。

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