Proceedings of the 2012 National Conference on Information Technology and Computer Science

Research on Small Signal Amplification Circuit of Downhole Instrument

Authors
Xin Lai, Chunpu Wang, Liang Ge
Corresponding Author
Xin Lai
Available Online November 2012.
DOI
https://doi.org/10.2991/citcs.2012.128How to use a DOI?
Keywords
Microvolt signal; Signal amplifier circuit; Resistance strain sensor; AD8552; Drilling engineering
Abstract
In order to acquire the real-time work of underground drill, promote the security and the reliability, it is necessary to effectively measure the drilling engineering parameter of drilling pressure, torque and side pressure etc. It uses the resistance strain sensor as a converter. The microvolt signal amplifier circuit is designed through analyzing the output signal of the resistance strain sensor. The design is applied with high-precision and rail-to-rail OP AD8552 as the core chip in the microvolt signal amplifier circuit. Through experimental test, it is obtained with experimental data of amplifier circuit. Moreover, the data are processed and analyzed using MATLAB software. The signal gain of the whole circuit is as high as 80dB, and the circuit has strong anti-interference ability and high temperature resist. The amplification to the signal above 1'V is good, which is satisfied with the parameter test system of drilling engineering.
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Proceedings
2012 National Conference on Information Technology and Computer Science
Part of series
Advances in Intelligent Systems Research
Publication Date
November 2012
ISBN
978-94-91216-39-8
ISSN
1951-6851
DOI
https://doi.org/10.2991/citcs.2012.128How to use a DOI?
Open Access
This is an open access article distributed under the CC BY-NC license.

Cite this article

TY  - CONF
AU  - Xin Lai
AU  - Chunpu Wang
AU  - Liang Ge
PY  - 2012/11
DA  - 2012/11
TI  - Research on Small Signal Amplification Circuit of Downhole Instrument
BT  - 2012 National Conference on Information Technology and Computer Science
PB  - Atlantis Press
SP  - 498
EP  - 501
SN  - 1951-6851
UR  - https://doi.org/10.2991/citcs.2012.128
DO  - https://doi.org/10.2991/citcs.2012.128
ID  - Lai2012/11
ER  -