| 一种超声波塑料焊接电源的设计 |
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| 引用本文： | 张继东.一种超声波塑料焊接电源的设计[J].电力电子技术,2009,43(11). |
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| 作者姓名： | 张继东 |
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| 作者单位： | 黑龙江工程学院,黑龙江,哈尔滨,150050 |
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| 基金项目： | 哈尔滨科技创新人才研究专项资金项目(2008RFQXG108) Foundation Project: Supported by the Research Fund for Harbin's Innovation Talents of Science and Technology (No. |
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| 摘 要： | 为解决超声波电源研制中存在的关键技术问题,分别设计了电源的主电路、谐振频率自动跟踪系统和输出功率控制系统.详细介绍了匹配网络的设计过程.提出采用相位控制频率的方法来控制谐振频率自动跟踪,阐述了相应的电路结构及其工作原理.采用全桥移相控制策略米控制输出功率.在电路设计的基础上,研制出一台功率为2 kW,开关频率为(20±0.5)kHz的样机.实验结果表明,该电源可实现谐振频率自动跟踪和输出功率的控制,同时验证了电路设计的可行性和正确性.
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| 关 键 词： | 电源 匹配网络 控制/频率自动跟踪 |
Design of the Power Supply for Ultrasonic Welding |
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| ZHANG Ji-dong.Design of the Power Supply for Ultrasonic Welding[J].Power Electronics,2009,43(11). |
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| Authors: | ZHANG Ji-dong |
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| Affiliation: | ZHANG Ji-dong (Heilongjiang Institute of Technology,Harbin 150050,China) |
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| Abstract: | In order to solve the key technical problems which exist in the development of the ultrasonic power supply,the main circuit,the resonance frequency automatic tracking system and the output power control system are designed.The design process of the matching network is particularly introduced.To control the resonance frequency automatic tracking,the method of using phase to control frequency is proposed.The corresponding circuit structure and the working principle are elaborated.The strategy of full-bridge p... |
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| Keywords: | power supply matching network control/frequency automatic tracking |
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