热带海洋学报 ›› 2020, Vol. 39 ›› Issue (3): 49-56.doi: 10.11978/2019095

• 海洋地球物理学 • 上一篇    下一篇

一种新型潜浮式深海地震仪的设计与试验

孟肯1,2, 秦华伟1(), 朱心科2, 侯斐2   

  1. 1. 杭州电子科技大学机械工程学院, 浙江 杭州 310018
    2. 自然资源部第二海洋研究所, 海底科学重点实验室, 浙江 杭州 310012
  • 收稿日期:2019-09-23 修回日期:2020-01-03 出版日期:2020-05-10 发布日期:2020-05-19
  • 通讯作者: 秦华伟
  • 作者简介:孟肯(1996—), 男, 陕西省渭南市人, 硕士研究生, 主要研究方向为海洋观测设备结构设计。E-mail: mengken@hdu.edu.cn
  • 基金资助:
    国家重点研发计划(2017YFC0305802);“全球变化与海气相互作用”专项(GASI-02-SHB-15)csio.ac.cn(GASI-02-SHB-15)

Design and test of a new mobile submersible deep-sea seismic recording system

Ken MENG1,2, Huawei QIN1(), Xinke ZHU2, Fei HOU2   

  1. 1. Hangzhou Dianzi University, School of Mechanical Engineering, Hangzhou 310018, China
    2. Second Institute of Oceanography, Ministry of Natural Resources, Key Laboratory of Submarine Science, Hangzhou 310012, China
  • Received:2019-09-23 Revised:2020-01-03 Online:2020-05-10 Published:2020-05-19
  • Contact: Huawei QIN
  • Supported by:
    National Key Research and Development Program of China(2017YFC0305802);Global Change and Air-Sea Interaction Project(GASI-02-SHB-15)

摘要:

鉴于国内外海洋地震台网的缺乏, 本文介绍了一种面向全球海域应用的漂浮式海底地震接收系统(mobile earthquake recording in marine areas by independent divers, MERMAID)。针对潜浮式地震仪MERMAID浮标的研发过程, 建立了浮标的总体设计要求与典型工作循环流程, 设计了液压式浮力调节系统、机械结构等, 并对比分析了不同转速及负浮力下潜过程, 最后进行了实验室压力检测和千岛湖湖试。试验结果表明, 该浮标能在15MPa压力下保持良好的密封性与稳定性, 利用水听器可以有效地采集到天然地震纵波(P波), 同时计算各模块单个周期的能耗, 以验证设计指标。

关键词: 地震台网, 潜浮式地震仪, MERMAID浮标, 浮力调节, 天然地震

Abstract:

In view of the lack of marine seismic network at home and abroad, a mobile earthquake recording system in marine areas by independent divers (MERMAID) is introduced for global sea-area application. According to the research and development process of the mobile seismic recording system, the general design requirements and typical work cycle process of the buoy are established; the hydraulic buoyancy regulating system and mechanical structure are designed; comparison and analysis of different speeds and negative buoyancy diving process are carried out; and the laboratory pressure test and Qiandao Lake test are realized. The test results show that the MERMAID buoy can keep good sealing and stability under 15 MPa pressure, and the P wave of natural earthquake can be effectively collected by hydrophone, and the energy consumption of each module in a single period can be calculated to verify the design indicators.

Key words: seismic network, mobile seismic recording system, MERMAID buoy, buoyancy mechanism, natural earthquake