| 功率超声电源的研制 |
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| 引用本文： | 张东卓,刘昭和,马铭杰. 功率超声电源的研制[J]. 声学技术, 2000, 19(2): 64-67 |
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| 作者姓名： | 张东卓 刘昭和 马铭杰 |
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| 作者单位： | 哈尔滨工业大学,哈尔滨150001 |
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| 摘 要： | 本文介绍了一种具有无相差频率自动跟踪和输出功率恒定功能的功率超声电源，此电源采用集成锁相环来实现无相差自动频率跟踪，采用ＰＷＭ方式控制ＢＵＣＫ电路的斩波，达到恒功能及功率可调的目的。另外，此电源系统还有电路简单、工作可靠、体积小、重量轻、成本低、实用性强等特点。
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| 关 键 词： | 功率超声电源 锁相环 脉宽调制 BUCK电路 |
| 收稿时间： | 1999-09-28 |
| 修稿时间： | 1999-09-28 |
Reaseach of power ultrasonic supply |
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| ZHANG Dong-zhuo,LIU Zhao-he and MA Ming-jie. Reaseach of power ultrasonic supply[J]. Technical Acoustics, 2000, 19(2): 64-67 |
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| Authors: | ZHANG Dong-zhuo LIU Zhao-he MA Ming-jie |
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| Affiliation: | Haerbin Institute of Technology, Haerbin 150001, China;Haerbin Institute of Technology, Haerbin 150001, China;Haerbin Institute of Technology, Haerbin 150001, China |
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| Abstract: | A power ultrasonic supply,which can realize zero phase difference frequency tracing and fixedness of output power,is presented in this paper.Zero phase difference frequency tracing is realized with integrated PLL circuit in this supply.The power output can hold fixedness and can be changed through changing the output voltage of BUCK circuit with the control of PWM control circuit.The supply system is simple,smaller,lighter,and not expensive. |
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| Keywords: | power ultrasonic supply PLL PWM BUCK circuit |
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