研究目的
To design an energy harvesting device that converts ambient electromagnetic waves, predominantly from the 2.4 GHz ISM radio frequency (RF) channel into direct current (DC) electricity, for wireless charging of devices.
研究成果
The proposed energy harvesting device, utilizing a microstrip patch antenna and a booster circuit, demonstrates potential for wireless charging of low-power devices at 2.45 GHz. The design is compact, easy to fabricate, and uses state-of-the-art components for efficient power transmission. Future work aims to improve rectification circuit designs for better conversion efficiency and compact product fabrication.
研究不足
The study assumes substantial rectifying loss as a separate rectifying circuit was not used. The physical hand fabrication of the antenna introduced excessive noise, affecting the voltage plot precision.
1:Experimental Design and Method Selection:
The study involves designing a microstrip patch antenna and a booster circuit for wireless power transmission (WPT) at 2.4 GHz. The methodology includes the use of CST Studio for antenna design simulation before fabrication.
2:4 GHz. The methodology includes the use of CST Studio for antenna design simulation before fabrication.
Sample Selection and Data Sources:
2. Sample Selection and Data Sources: The microstrip antenna is fabricated using RT Duroid 5880 substrate, and the booster circuit uses LTC 3108 for voltage step-up.
3:List of Experimental Equipment and Materials:
Microstrip Antenna Trainer Kit, VCO, VSWR Meter, oscilloscope, LTC 3108, WE-EHPI Energy Harvesting Coupled Inductor, and Ceramic capacitors.
4:Experimental Procedures and Operational Workflow:
The antenna is tested using a Microstrip Antenna Trainer Kit, and the booster circuit is tested with varying input voltages to measure output efficiency.
5:Data Analysis Methods:
The performance of the antenna and booster circuit is analyzed based on return loss, VSWR, and output voltage measurements.
独家科研数据包,助您复现前沿成果,加速创新突破
获取完整内容