结合跨阻放大器结构的无线电能传输电流测量仪器优化  

Optimization of wireless energy transmission current measurement instrument combined with transimpedance amplifier structure

作　　者：齐立芬 QI Lifen(Zhengzhou Industrial Technician Institute,Zhengzhou 451150,China)

机构地区：[1]郑州工业技师学院,郑州451150

出　　处：《国外电子测量技术》2025年第1期17-21,共5页Foreign Electronic Measurement Technology

摘　　要：随着信息技术的发展,无线电能传输的精确测量为维持无线设备的稳定运行变得越来越重要。为提高无线电能传输电流测量仪器的测量效果,研究提出了改进跨阻放大器来优化测量仪器。研究创新性地自制了一种低噪声运算放大器以优化跨阻放大器,改进了电路板连线材料和走线方式以减少干扰,提升测量精度。同时设计了双层保护环结构,以增强信号的稳定性。实验结果表明,改进的跨阻放大器在低频下的增益大于70 dB,相位裕度大约在70°。测量仪器在不同参数和干扰环境下的测量误差始终维持在0.3%以下。由此可见,测量仪器能够精确测量低频的无线电能传输电流,且具有较好的抗干扰性,可以减少因测量误差导致的能量损失和设备故障风险。此次研究不仅为无线电能传输测量提供了一种新的测量仪器,还为相关领域的电流测量技术发展提供了新技术,有助于推动无线电能传输技术的进步。With the development of information technology,accurate measurement of wireless energy transmission has become increasingly important for maintaining the stable operation of wireless devices.In order to improve the measurement performance of wireless power transmission current measuring instruments,research has proposed improving the transimpedance amplifier to optimize the measuring instruments.Innovatively developed a low-noise operational amplifier to optimize the transimpedance amplifier,improved the wiring materials and routing methods of the circuit board to reduce interference and enhance measurement accuracy.Designed a double-layer protective ring structure to enhance signal stability.The experimental results show that the improved transimpedance amplifier has a gain greater than 70 dB at low frequencies and a phase margin greater than 70°.The measurement error of the measuring instrument remains below 0.3%under different parameters and interference environments.From this,it can be seen that measuring instruments can accurately measure low-frequency wireless power transmission currents and have good anti-interference properties,which can reduce energy loss and equipment failure risks caused by measurement errors.This study not only provides a new measuring instrument for wireless energy transmission measurement,but also offers new technologies for the development of current measurement technology in related fields,which helps to promote the progress of wireless energy transmission technology.

关 键 词：无线电能 电流测量 跨阻放大器 电路板 飞线 

分 类 号：TH-9[机械工程]