Application-Driven WPT Techniques / 面向应用的无线充电系统开发
Wireless power can be defined as the transmission of electrical energy from a power source to an electrical load without connecting wires. It is reliable, efficient, fast, low maintenance cost, and it can be used for short range or long range. The basic working principle of wireless power transfer is, two objects having similar resonant frequency and in magnetic resonance at powerfully coupled rule tends to exchange the energy, while dissipating relatively little energy to the extraneous off-resonant objects. Moreover, this method can be involved in a variety of applications, like to charge mobile phones, laptops wirelessly. And also this kind of charging gives a far lower risk of electrical shock as it would be galvanically isolated. This is an emerging technology, and further, the distance of power transfer can be improved as the study across the world is still going on.
近年来,基于磁耦合谐振(IPT)的无线电能传输技术(WPT)取得了飞速发展,由于其优异的传能特性,该技术已经在手机和电动车等经典应用上获得了市场的认可。与IPT对应,利用电场耦合谐振(CPT)也可实现无线传能,该技术可以弥补IPT在高涡流损耗等方面的不足,但是其自身耦合能力较弱的特性也较为明显。针对不同设备与应用环境,两类系统在一定程度上互为补充,已经能够初步满足一些常规的应用需求。现阶段,尤其是在新冠病毒肆虐的背景下,各国都意识到了工业制造的重要性。我国也面临着全产业链升级转型的迫切需求,需要依托智能制造、5G、物联网、大数据、人工智能、智慧能源等一大批新技术实现跨越式发展。在此过程中,通过无线电能传输技术为各种新兴的智能终端除去“最不智能”的最后一根线就显得尤为重要。
Name:Minfan Fu
Name:fumf@shanghaitech.edu.cn
Address:Room 534, SIST Building 3 School of Info. Science and Tech. ShanghaiTech University 393 Middle Huaxia Road Pudong, Shanghai 201210 Tel: +86-021-20684455