采用无线技术的供电系统设计

无线供电是一种既方便又安全的供电应用新技术,它无需任何物理上的连接,就可以将电能近距离无接触地传输给用电器。更重要的是,无线供电可以透过非金属物质进行传输,非常的方便。现在最主要的无线供电方案有：电磁波方案;磁耦合方案;非辐射性谐振磁耦合方案。鉴于简单、易行,及可操作性。本文的无线供电依据的主要是电磁感应原理,文中设计了一种简易的无线供电系统,只要发射线圈和接收线圈之间的距离在27cm以内,就可以稳定的输出5V直流电压,整个系统的传输效率约为38.7%。

Power Supply System Design UsingWireless Technology

Wireless power supply is a convenient and secure power supply application of new technology.It does not require any physical connection.Electrical energy can be transferred to electrical appliances at close range and without contact.More importantly,wireless power transmission can be conducted through the non-metallic material,which is very convenient.Now the main wireless power supply schemes are electromagnetic wave program;magnetic coupling scheme;non-radiative resonant magnetic coupling scheme in view of simpleness,easiness,and operability.The wireless power supply in this paper is mainly based on the principle of electromagnetic induction,and we designed a simple wireless power supply system.As long as the distance between the emitting and receiving coils is in the 27cm or less,it can be a stable output voltage of 5V DC and the transmission efficiency of approximately is 38.7%.