The utility model discloses a low frequency transducer, comprising a piezoelectric ceramic ring, sleeve, flange, flange, front-end back-end containing two ring wire terminals, two wires, cables, sealing block, two insulating mat and coat; outer ring surface of the piezoelectric ceramic ring is sleeved on the bushing, front end flange and a rear flange both ends are respectively connected with the threaded bushing, connect one end of two wires cable penetrated front flange, a piezoelectric ceramic ring is set on the terminal, two wire penetrating bushing and are respectively connected with the two ring wire, two ring wire respectively with piezoelectric ceramic ring and negative pole connection; the front flange is provided with plug the sealing block, and the sealing block is sleeved on the cable, the front flange and the piezoelectric ceramic ring and the rear flange and the piezoelectric ceramic ring is sheathed with an insulating mat coat is connected with the front flange and rear fastening flange. The performance is stable, the structure design is simple, the sensitivity is higher, the response curve is flat, the bandwidth is wide, the processing is simple, and the cost is low.
【技术实现步骤摘要】
低频换能器
本技术涉及一种用于水下接收低频信号的声呐用水听器,尤其涉及一种低频换能器。
技术介绍
换能器是能量转换的器件,近年来,出现了包括采用压电陶瓷、压电复合材料、PVDF(聚偏氟乙烯)薄膜材料、光纤水听器等多种类型,但应用最广泛的是采用压电陶瓷。目前,很多换能器采用一片压电元件形式,其灵敏度不高,起伏大。
技术实现思路
本技术针对现有技术存在的问题和不足,提供一种新型的低频换能器。本技术是通过下述技术方案来解决上述技术问题的:本技术提供一种低频换能器,其特点在于,其包括一由多个压电元件组成的压电陶瓷环、一衬套、一前端法兰、一后端法兰、一含有两条环形丝的接线柱、两根导线、一电缆、一密封块、两个绝缘垫和一外套;该压电陶瓷环套设于该衬套的外环面,该前端法兰和该后端法兰分别与该衬套的两端螺纹连接,该电缆的连接该两根导线的一端穿设该前端法兰,该压电陶瓷环上套有该接线柱,该两个导线穿设该衬套并分别与该两条环形丝连接,该两条环形丝分别与该压电陶瓷环的正负极连接;该前端法兰内塞设有该密封块,且该密封块套设于该电缆上,该前端法兰和该压电陶瓷环间以及该后端法兰和该压电陶瓷环间均套设有该 ...
【技术保护点】
一种低频换能器,其特征在于,其包括一由多个压电元件组成的压电陶瓷环、一衬套、一前端法兰、一后端法兰、一含有两条环形丝的接线柱、两根导线、一电缆、一密封块、两个绝缘垫和一外套;该压电陶瓷环套设于该衬套的外环面,该前端法兰和该后端法兰分别与该衬套的两端螺纹连接,该电缆的连接该两根导线的一端穿设该前端法兰,该压电陶瓷环上套有该接线柱,该两个导线穿设该衬套并分别与该两条环形丝连接,该两条环形丝分别与该压电陶瓷环的正负极连接;该前端法兰内塞设有该密封块,且该密封块套设于该电缆上,该前端法兰和该压电陶瓷环间以及该后端法兰和该压电陶瓷环间均套设有该绝缘垫,该外套与该前端法兰和该后端法兰紧固连接。
【技术特征摘要】
1.一种低频换能器,其特征在于,其包括一由多个压电元件组成的压电陶瓷环、一衬套、一前端法兰、一后端法兰、一含有两条环形丝的接线柱、两根导线、一电缆、一密封块、两个绝缘垫和一外套;该压电陶瓷环套设于该衬套的外环面,该前端法兰和该后端法兰分别与该衬套的两端螺纹连接,该电缆的连接该两根导线的一端穿设该前端法兰,该压电陶瓷环上套有该接线柱,该两个导线穿设该衬套并分别与该两条环形丝连接,该两条环形丝分别与该压电陶瓷环的正负极连接;该前端法兰内塞设有该密封块,且该密封块套设于该电缆上,该前端法兰和该压电陶瓷环间以及该后端法兰和该压电陶瓷环间均套设有该绝缘垫,该外套与...
【专利技术属性】
技术研发人员:刘同启,张涛,
申请(专利权)人:上海军信船舶科技有限公司,
类型:新型
国别省市:上海,31
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