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首页> 外文期刊>IEEE Transactions on Industrial Electronics >A Novel Quartz Clock With Integrated Wireless Energy Harvesting and Sensing Functions
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A Novel Quartz Clock With Integrated Wireless Energy Harvesting and Sensing Functions

机译：具有集成的无线能量收集和传感功能的新型石英时钟

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摘要

There has been an increasing demand for smart devices and smart furniture for home automation, monitoring, and security applications. In this paper, we present a novel method of integrating the function of wireless energy harvesting from ambient RF signals to a conventional quartz clock for home applications. The most attractive feature is that the clock itself is used as the power receiving device, thus no additional antennas are needed. A simple rectifier is designed to directly match with the clock antenna and rectify the power captured by the clock. As a design example, a clock rectenna using the proposed new idea achieves good energy conversion efficiency (up to 65%) over its operating frequency bands at around 1.4-1.5, 1.9-2.1, and 2.4-2.8 GHz, respectively. Moreover, a wireless environmental sensor is integrated with the clock and powered by using the harvested power from the proposed clock rectenna. This novel design greatly expands the functionality of the quartz clock without affecting its size and appearance. We believe that the proposed energy harvesting quartz clock could be adopted for smart home applications.
机译：对于用于家庭自动化，监视和安全应用的智能设备和智能家具的需求不断增长。在本文中，我们提出了一种新的方法，该方法将无线射频能量收集功能从周围的RF信号集成到家用的传统石英时钟中。最吸引人的特点是时钟本身被用作受电设备，因此不需要其他天线。一个简单的整流器设计为直接与时钟天线匹配并整流时钟捕获的功率。作为一个设计实例，采用所提出的新思想的时钟整流天线分别在其1.4-1.5、1.9-2.1和2.4-2.8 GHz的工作频带上实现了良好的能量转换效率（高达65％）。此外，无线环境传感器与时钟集成在一起，并使用从拟议的时钟整流天线收集的功率供电。这种新颖的设计极大地扩展了石英钟的功能，而不会影响其尺寸和外观。我们认为，建议的能量收集石英时钟可用于智能家居应用。

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