航空声呐浮标是通过水听器采集水下目标辐射的噪声来实现探测功能。为了避免波浪引起的振动对水听器造成干扰，设计一套由弹性绳和阻尼盘组成的减振系统。建立减振系统模型，分析影响减振效果的因素。通过选择合适的弹性绳可以有效地调节系统的固有频率，通过改变阻尼盘可以明显调整系统振动幅值。进行实测试验，研究弹性绳的弹力系数变化特点。根据研究的方法和结论，可以很好地指导新型声呐浮标水下减振系统设计。
Aerial sonobuoy realizes the detection function by collecting the radiated noise of underwater target by hydrophone. In order to avoid the interference caused by wave vibration to hydrophone, a set of vibration damping system composed of bungee cord and damping disk is designed. The system model is established, and the factors affecting the damping effect are analyzed. The natural frequency of the system can be effectively adjusted by choosing the appropriate bungee cord. The vibration amplitude of the system can be significantly adjusted by changing the damping disk. The characteristics of bungee cord are studied by test. According to the research method and conclusion, it can guide the design of underwater vibration damping system of new sonobuoy.
2022,44(20): 124-128 收稿日期：2022-01-12
DOI：10.3404/j.issn.1672-7649.2022.20.025
分类号：TJ67
作者简介：程浩(1981-)，男，硕士，高级工程师，研究方向为航空声呐浮标设计
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