The First Institute of Oceanography, Soa

Xi'an Hong Lu Yang Electrical Equipment Co., Ltd.

Zhejiang University

National Deep Sea Center

Zili Chen

Yanliang Pei

Baohua Liu

Guangming Kan

Yanhong Lian

Kaiben Yu

Yifan Huang

Keping Yan

Chunlei Jing

Le Zong

The present invention discloses a new submerged buoy data acquisition system, including a battery compartment, a main control processor, a GPS receiver, a gigabit Ethernet interface module, and a plurality of data acquisition boards, where the GPS receiver is connected to the main control processor, and the main control processor is connected to a host computer by using the gigabit Ethernet interface module; the data acquisition board includes a hydrophone sensor, a front-end drive circuit, an AD conversion circuit, a clock module, a DA conversion circuit, an FPGA, an ARM processor, and a storage module; the hydrophone sensor is connected to the AD conversion circuit by using the front-end drive circuit, the AD conversion circuit is connected to the FPGA, the FPGA is connected to the ARM processor, the storage module is connected to the ARM processor, the DA conversion circuit is connected to the FPGA and the clock module, the clock module is connected to the FPGA, and the ARM processor is connected to the main control processor. The present invention improves acquisition performance of the submerged buoy data acquisition system, and implements synchronous acquisition and control of the entire system.

Submerged buoy data acquisition system

The present invention discloses a near-sea-bottom hydrate detection system, which includes a ship-borne part and a deep-towing part. The ship-borne part includes: a comprehensive monitoring host, configured to send an acquisition triggering pulse signal, and transmit the signal to the deep-towing part; and receive near-sea-bottom information acquired by the deep-towing part, and determine a near-sea-bottom condition according to the near-sea-bottom information. The deep-towing part includes: a data acquisition unit, configured to acquire near-sea-bottom information at a current position according to the acquisition triggering pulse signal; an electric spark vibration source, configured to generate an electric spark vibration signal according to the acquisition triggering pulse signal; and a multi-channel data-acquisition electronic cabin, connected to the comprehensive monitoring host, the data acquisition unit, and the electric spark vibration source separately, and configured to transmit the acquisition triggering pulse signal to the electric spark vibration source and the data acquisition unit, and transmit the near-sea-bottom information acquired by the data acquisition unit to the comprehensive monitoring host. In this way, the Fresnel radius can be reduced, and the detection resolution can be improved.

Near-sea-bottom hydrate detection system

Growing community of inventors

Qingdao, China

Zili Chen