CN107809186B - 一种用于低频宽带的紧凑式声波发电装置 - Google Patents
一种用于低频宽带的紧凑式声波发电装置 Download PDFInfo
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- CN107809186B CN107809186B CN201710863574.5A CN201710863574A CN107809186B CN 107809186 B CN107809186 B CN 107809186B CN 201710863574 A CN201710863574 A CN 201710863574A CN 107809186 B CN107809186 B CN 107809186B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
- H02N2/186—Vibration harvesters
- H02N2/188—Vibration harvesters adapted for resonant operation
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CN109995214B (zh) * | 2019-01-15 | 2024-02-23 | 南京邮电大学 | 一种基于电磁感应的声能量转换装置 |
CN110165937B (zh) * | 2019-06-05 | 2020-08-07 | 南京邮电大学 | 一种内嵌对数螺线管的亚波长低频声波发电器 |
CN110599995B (zh) * | 2019-09-11 | 2021-09-28 | 北京机械设备研究所 | 一种吸收频段可调的吸声结构 |
CN111551243B (zh) * | 2020-05-08 | 2023-05-23 | 天津大学 | 一种共振空腔水听器的工作频率拓展方法 |
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SU578119A1 (ru) * | 1976-06-08 | 1977-10-30 | Киевский Ордена Ленина Политехнический Институт Имени 50-Летия Великой Октябрьской Социалистической Революции | Пьезоэлектрический приемник звукового давлени |
SU1553893A2 (ru) * | 1988-06-24 | 1990-03-30 | Предприятие П/Я Г-4736 | Преобразователь дл контрол качества сварных швов |
CN102230465B (zh) * | 2011-06-21 | 2013-07-03 | 南京航空航天大学 | 一种阿基米德螺线流管无阀压电泵 |
CN102868318B (zh) * | 2012-09-05 | 2015-05-13 | 北京大学 | 基于pvdf的微型复合式能量采集器及制备方法 |
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Effective date of registration: 20191212 Address after: 518000 No.18, Xiantian Road, Xinsheng community, Longgang District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN YUEERSHENG ACOUSTICS Co.,Ltd. Address before: 210003 Gulou District, Jiangsu, Nanjing new model road, No. 66 Patentee before: NANJING University OF POSTS AND TELECOMMUNICATIONS |
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Address after: Room 101-501, Building 19, Jianlong Street, Baoan Community, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Yue'er Industrial Co.,Ltd. Country or region after: China Address before: Room 301, Building 19, Jianlong Street, Baoan Community, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN YUEERSHENG ACOUSTICS Co.,Ltd. Country or region before: China |