Photoelectric hybrid array detection system

A detection system and photoelectric hybrid technology, applied in the field of signal detection, can solve problems such as signal shunting and coupling difficulties, easy-to-break mechanical strength, complicated welding process, etc., and achieve strong anti-interference ability, high mechanical strength, and high sensitivity.
CN103439745BActive Publication Date: 2015-10-28TIANJIN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TIANJIN UNIV
Publication Date
2015-10-28

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Abstract

The invention belongs to the field of signal detection, and provides a photovoltaic hybrid array detection system which is low in self-noise, high in sensitivity, large in dynamic range and strong in anti-interference capacity. According to the technical scheme, the photovoltaic hybrid array detection system comprises a data recording center, data transmission modules, data collecting modules, a light source module, a photovoltaic conversion module, fiber optic hydrophones and optical fibers. On the one hand, the data recording center is responsible for sending control commands to all the data transmission modules. On the other hand, the data recording center is responsible for receiving detection data transmitted by all the data transmission modules and carrying out storage and corresponding processing on the data. The signal collecting modules and the data transmission modules are in data communication through RS485 interfaces or SPI interfaces or in a level matching direct connection mode. The data transmission modules are connected in series in sequence, and the control commands sent by the data recording center are transferred to the data transmission module at the last end in sequence. The photovoltaic hybrid array detection system is mainly applied to gas detection.
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Description

technical field

[0001] The invention belongs to the field of signal detection, and in particular relates to a photoelectric hybrid array detection system. technical background

[0002] The array detection system has a wide range of applications in seismic exploration, engineering exploration, shore-based warning, towed sonar, etc. [1-3] . The array detection system is mainly composed of a detection cable section and a data recording center, and the detection cable section is mainly composed of a signal acquisition module and a data transmission module. The traditional array detection system is mainly divided into two types, one is the full cable array detection system [4] , one is an all-optical cable array detection system [3，5] . The full-cable array detection system means that all the inside of the detection cable section uses electrical signals to transmit information, the transmission medium also uses wires, and the sensors are generally piezoelectric hydrophones; t...

Claims

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