Research on self-potential seabed prospecting system based on 24-bit AD

SHENG Qing-hua1; YUAN Lu-hua2; YAN Yun-peng1; KONG Qing-peng1

doi:10.13873/j.1000-97872013.02.005

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Research on self-potential seabed prospecting system based on 24-bit AD

更新时间：2025-09-11

- Research on self-potential seabed prospecting system based on 24-bit AD
- Vol. 32, Issue 2, Pages: 36-38+42(2013)
- 作者机构：
  
  1. 杭州电子科技大学电子信息学院
  2. 山东省无线电管理办公室
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872013.02.005
  CLC： P631.321;P736.3
- Published：2013
- 稿件说明：
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[1]盛庆华,袁路花,闫云鹏,孔庆鹏.基于24位AD自然电位法海底探矿系统研究[J].传感器与微系统,2013,32(02):36-38+42.

SHENG Qing-hua1, YUAN Lu-hua2, YAN Yun-peng1, et al. Research on self-potential seabed prospecting system based on 24-bit AD[J]. 2013, 32(2): 36-38+42.
[1]盛庆华,袁路花,闫云鹏,孔庆鹏.基于24位AD自然电位法海底探矿系统研究[J].传感器与微系统,2013,32(02):36-38+42. DOI： 10.13873/j.1000-97872013.02.005.

SHENG Qing-hua1, YUAN Lu-hua2, YAN Yun-peng1, et al. Research on self-potential seabed prospecting system based on 24-bit AD[J]. 2013, 32(2): 36-38+42. DOI： 10.13873/j.1000-97872013.02.005.

摘要

为了测量近海底矿物和矿石产生的微弱自然电场信号

设计了一种灵敏的海底自然电位法检测系统。该系统前端采用精密仪表放大器INA118对来自碳电极的微弱电场信号进行一级差分放大

后级采用内置PGA的24位高精密的A/D转换器ADS1256对电场信号进行二级放大和A/D转换。主控制器采用32位ARM内核微处理器STM32

将采集的数据存放在SD卡中。本系统通过了"大洋一号"科考船在南海海试的验收

并已在第26次大洋科考中用于海底热液硫化物勘探。

Abstract

In order to measure the faint self-potential signal produced by the minerals and ore on seabed

a sensitive self-potential detecting system is designed.Precision instrumentation amplifier INA118 is used to realize first-level differential amplification for the faint self-potential signal from carbon electrode.Then ADS1256

extremely low noise

built-in PGA

24-bit A/D converter

is used to complete second-level amplification and AD conversion.The master controller is 32-bit ARM microprocessor STM32

and the collected data was stored in the SD card.This system has been checked by"DA YANG YI HAO"in the South China Sea trial

and has already been used to detect submarine hydrothermal sulfide in the 26th ocean scientific investigation.

关键词

Keywords

references

传感器应用电路400例[M]. 中国电力出版社 , 王煜东, 2008

全国大学生电子设计竞赛获奖作品选编[M]. 北京理工大学出版社 , 全国大学生电子设计竞赛组委会编, 2005

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