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论文:2019,Vol:37,Issue(2):386-392 |
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引用本文： |
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杜海波, 秦雷, 仲超, 王丽坤. 基于1-1-3型压电复合材料水声换能器性能分析[J]. 西北工业大学学报 |
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DU Haibo, QIN Lei, ZHONG Chao, WANG Likun. Study on Underwater Performance of Underwater Transducer Manufactured by 1-1-3 Piezoelectric Composite[J]. Northwestern polytechnical university |
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| 基于1-1-3型压电复合材料水声换能器性能分析 |
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| 杜海波1, 秦雷1,2, 仲超1, 王丽坤1,2 |
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1. 北京信息科技大学 传感器北京市重点实验室, 北京 100192;
2. 北京信息科技大学 教育部现代测控技术重点实验室, 北京 100192 |
| 摘要: |
| 为提高高频水声换能器的性能，提出了一种基于1-1-3型压电复合材料的带有梯形匹配层的水声换能器设计。应用有限元方法分析了有无匹配层对复合材料电性能、辐射端振动位移的影响。并研制了带匹配层和不带匹配层的2种水声换能器。测试结果显示引入匹配层使得水声换能器在谐振频率为360 kHz时最大发送电压响应达到169.4 dB，接收电压灵敏度为-190 dB，-3 dB下接收信号带宽最大可达70 kHz，最大声源级达到208 dB。发送电压响应比没有匹配层的换能器提高了3.8 dB、声源级提高了6 dB、接收带宽拓宽了1.45倍。 |
| 关键词:
1-1-3型压电复合材料
换能器
声源级
发射电压响应
性能
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| Study on Underwater Performance of Underwater Transducer Manufactured by 1-1-3 Piezoelectric Composite |
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| DU Haibo1, QIN Lei1,2, ZHONG Chao1, WANG Likun1,2 |
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1. Research Center of Sensor Technology, Beijing Information Science & Technology University, Beijing 100192, China;
2. Key Laboratory of Modern Measurement & Control Technology, Ministry of Education, Beijing Information Science and Technology University, Beijing 100192, China |
| Abstract: |
| A novel kind of underwater transducer with trapezoidal matching layer manufactured by 1-1-3 piezoelectric composite has been proposed to improve the underwater performance of high frequency transducer. In this paper, the finite element method has been used to analyze the influence of the matching layer on the electrical properties of the composite materials and vibration displacement of the radiation area. Two kinds of underwater transducers with and without matching layers have been fabricated. The experimental results show that the transmission voltage response of the underwater transducer with matching layer reaches 169.4 dB at 360 kHz, and the receiving voltage sensitivity reaches-190 dB, the bandwidth is up to 70 kHz and the maximum sound source level is 208 dB. Comparing with transducer without matching layer, the transmission voltage response is increased by 3.8 dB. Meanwhile the sound source level is increased by 6 dB. The received bandwidth is increased by 1.45 times. |
| Key words:
1-1-3 piezoelectric composite materials
transducer
sound source
transmission voltage response
performance
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| 收稿日期: 2018-04-16
修回日期:
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| DOI: 10.1051/jnwpu/20193720386 |
| 基金项目: 国家自然科学基金（61471047，61671068，11604363）、北京市高校创新能力提升计划（TJSHG201510772015）与北京市属高校青年拔尖人才项目（CIT＆TCD201504053）资助 |
| 通讯作者: 秦雷(1981-),北京信息科技大学副研究员,主要从事压电复合材料及水声换能器研究。
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| 作者简介: 杜海波(1993-),北京信息科技大学硕士研究生,主要从事水声换能器研究。
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| 作者相关文章 |
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| 杜海波 在本刊中的所有文章 |
| 秦雷 在本刊中的所有文章 |
| 仲超 在本刊中的所有文章 |
| 王丽坤 在本刊中的所有文章 |
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