基于NCP芯片双开关正激式羊毛剪电源设计  

Design of Double Switches Forward Source for Wool Shears Based on NCP Chip

作　　者：李帅 杜吉龙 刘振国 LI Shuai;DU Ji-Long;LIU Zhen-Guo(Beijing Research Institute of Automation For Machinery Industry Co.,Ltd.,Beijing 100120,China)

机构地区：[1]北京机械工业自动化研究所有限公司,北京100120

出　　处：《机电产品开发与创新》2022年第3期74-76,共3页Development & Innovation of Machinery & Electrical Products

摘　　要：为实现羊毛剪设备对大功率轻量化供电电源的需求,本文提出了一种基于芯片NCP1252控制下的双开关正激式开关电源。研究了此开关电源的拓扑结构和工作原理,计算了设备关键参数,详细分析了整流滤波电路、逆变电路、核心控制电路、反馈检测电路的工作原理。成品后实现直流输出36V,电源效率可达90%,结果证明了设计的正确性和可行性。In order to meet the demand of wool shearing equipment for high-power and lightweight power supply,this paper presents a dual on-off forward switching source controlled by chip NCP1252.The topology and working principle of the switching power supply are studied,the key parameters of the equipment are calculated,and the working principles of rectifier filter circuit,inverter circuit,core control circuit and feedback detection circuit are analyzed in detail.After the finished product,the DC output is 36V,and the power efficiency can reach 90%.The results prove the correctness and feasibility of the design.

关 键 词：开关电源 正激式 电路设计 NCP1252 

分 类 号：TP17[自动化与计算机技术—控制理论与控制工程]