声呐发射机完成特定形式的电信号的功率放大，通过发射换能器将电信号转换为声信号辐射到水中。介绍了全桥拓扑结构的工作原理和基本电路结构，详细分析了高输入电压下全桥功率电路设计技术难点，完成了全桥电路设计、利用ADuM5230芯片搭建驱动电路及相关波形设计，完成功率电路的制作和调试。实验室可靠性测试表明，该全桥拓扑功率电路工作性能良好，满足设计要求。
Sonar transmitter completes the power amplification of certain forms of electrical signals. The emission transducer converts the electrical signal into sound signals and radiates into the water. This paper introduces working principle and basic circuit structure of full-bridge topology. It analyses the technical difficulties of full-bridge power circuit of high input voltage in details. It completes the design of a full-bridge power circuit, the drive circuit and related waveforms, finish the manufacture and debugging of the power circuit. The reliability tests in laboratory show that the full-bridge topology power circuit works well, the scheme is feasible and can meet the design requirements.
2017,39(7): 133-136 收稿日期：2016-05-07
DOI：10.3404/j.issn.1672-7649.2017.07.028
分类号：TB565
作者简介：葛印超(1990-),男,硕士,工程师,从事声呐发射机研究与设计工作
参考文献：
[1] PRESSMAN A I, BILLINGS K, MOREY T. 开关电源设计[M]. 王志强, 肖文勋, 虞龙, 译. 3版. 北京: 电子工业出版社, 2010.
[2] 李善庆, 王琪, 路侃. 加箝位二极管全桥变换器的研究与应用[J]. 电力电子技术, 2008, 42(4): 25–27.LI Shan-qing, WANG Qi, LU Kan. Research and application of full bridge converter with clamping diodes[J]. Power Electronics, 2008, 42(4): 25–27.
[3] 柳彬, 吴浩伟, 孙朝晖, 等. 大功率逆变电源IGBT关断电压尖峰抑制研究[J]. 舰船科学技术, 2009, 31(12): 62–65.LIU Bin, WU Hao-wei, SUN Zhao-hui, et al. Research on methods of restrain IGBT switching-off voltage pulse in high-power inverter[J]. Ship Science and Technology, 2009, 31(12): 62–65.
[4] 陈明杰. 大功率低阻抗水声发射机的设计实现[D]. 哈尔滨: 哈尔滨工程大学, 2012.CHEN Ming-jie. Design and implementation of the high power and low impedance acoustical transmitter[D]. Harbin: Harbin Engineering University, 2012.
[5] 陈富根, 何国民, 黄跃华, 等. 功率场效应管驱动电路分析[J]. 华东交通大学学报, 1991(1): 23–29.CHEN Fu-gen, HE Guo-min, HUANG Yue-hua, et al. The analyses of drive circuits in power MOSFETs[J]. Journal of East China Jiaotong University, 1991(1): 23–29.
[6] 李为民. 陀螺摇摆台全桥式PWM驱动电路的设计[J]. 舰船科学技术, 1999(5): 34–36.LI Wei-min. Design of full-bridge PWM drive circuit for gyroscope swing platform[J]. Ship Science and Technology, 1999(5): 34–36.
[7] BROWN M. 开关电源设计指南[M]. 徐德鸿, 沈旭, 杨成林, 等译. 2版. 北京: 机械工业出版社, 2004.
[8] 胡科堂. 高电压大功率开关电源拓扑电路的设计与研究[D]. 北京: 北京工业大学, 2013.HU Ke-tang. Design and research on topology circuit of high voltage high power switching power supply[D]. Beijing: Beijing University of Technology, 2013.
