Electrochemical seismic sensor based on force-balanced negative feedback

LI Guanglei; WANG Junbo; CHEN Lianhong; CHEN Jian; CHEN Deyong

doi:10.13873/j.1000-9787(2019)07-0089-03

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Electrochemical seismic sensor based on force-balanced negative feedback

更新时间：2025-09-11

- Electrochemical seismic sensor based on force-balanced negative feedback
- Issue 7, Pages: 89-91(2019)
- 作者机构：
  
  1. 中国科学院电子学研究所传感技术国家重点实验室
  2. 中国科学院大学
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-9787(2019)07-0089-03
  CLC： P631.436
- Published：2019
- 稿件说明：
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LI Guanglei, WANG Junbo, CHEN Lianhong, et al. Electrochemical seismic sensor based on force-balanced negative feedback[J]. 2019, (7): 89-91.
DOI：

LI Guanglei, WANG Junbo, CHEN Lianhong, et al. Electrochemical seismic sensor based on force-balanced negative feedback[J]. 2019, (7): 89-91. DOI： 10.13873/j.1000-9787(2019)07-0089-03.

摘要

提出了一种基于力平衡负反馈系统的电化学微震检波器。通过力平衡负反馈系统与频率补偿电路相结合

使电化学微震检波器的工作带宽从7～20 Hz拓展至0. 1～50 Hz

灵敏度为3 227 V/m/s

为相同频率下动圈式地震检波器的161. 4倍

为资源勘探、桥梁、大坝以及其他建筑物的震动信号监测应用提供了技术基础。

Abstract

An electrochemical seismic sensor based on force-balanced negative feedback is presented. The working bandwidth of the proposed device is extended from 7 ～ 20 Hz to 0. 1 ～ 50 Hz

combined force-balanced negative feedback system with frequency compensation circuit. The quantified sensitivity of 3 227 V/（m/s）

which is 161. 4 times greater than the commercial moving-coil seismic sensor at the same frequency. The proposed electrochemical seismic sensor provides a technical basis for the field of resource exploration and vibration signals detection of the bridges

dams and other buildings.

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