To provide a deep-seabed laminar flow change observation device based on differential pressure measurement.SOLUTION: The present invention relates to a deep-seabed laminar flow change observation device based on differential pressure measurement. The deep-seabed laminar flow change observation device includes a differential pressure sensing chamber, base, controller, floating body, and release device and is connected between the differential pressure sensing chamber and base by a connection unit. The controller is installed inside the connection unit. The floating body is located on the differential pressure sensing chamber, and is recovered and discharged by the release device. The release device is installed between the floating body and differential pressure sensing chamber. The differential pressure sensing chamber includes a hydrostatic pressure chamber and an environmental hydraulic pressure chamber. The top of the environmental hydraulic pressure chamber is communicated to the hydrostatic pressure chamber, and is separated by a spring piece. The spring piece contains an optical fiber sensor, the hydrostatic chamber always connects the sea, the environmental hydraulic pressure chamber always connects the inside of a seabed sedimentary layer, and the release device is equipped with an electrically-driven windlass. An acoustic signal generator is installed on the electrically-driven windlass. A soil pressure sensor and a counter weight are installed on the base. The optical fiber sensor, acoustic signal generator, and soil pressure sensor are all connected with the controller. The controller can measure differential pressure at the position by feedbacks from the sensors. The present invention can reduce an impact of deep-seabed laminar flow and observe a change in ocean-bed laminar flow.
【課題】 差圧測定に基づく深海底層流変化観測装置【解決手段】 本発明は差圧測定に基づく深海底層流変化観測装置に関し、差圧センシングチャンバ、ベース、コントローラ、浮体、解放装置を含み、差圧センシングチャンバとベースの間に接続部により接続され、コントローラは接続部の内部に設置され、浮体は差圧センシングチャンバの上に位置し、解放装置により回収、放出を行い、解放装置は浮体と差圧センシングチャンバの間に設置され、差圧センシングチャンバは静水圧チャンバと環境水圧チャンバを含み、環境水圧チャンバの頂部は静水圧チャンバと連通し、スプリングピースにより隔てられ、スプリングピースに光ファイバセンサーが内蔵され、静水圧チャンバは常に海をつなぎ、環境水圧チャンバは常に海底堆積層内をつなぎ、解放装置は電動ウィンドラスを備え、電動ウィンドラスに音響信号発生器が設置され、ベースに土圧センサー及びカウンターウエイトが設置され、光ファイバセンサー、音響信号発生器、土圧センサーは全部コントローラに接続され、各センサーのフィードバックにより該位置の差圧を測定することができる。本発明は、深海底層流の影響を低減し、海洋底層流の変化を観測することができる。
DEEP-SEABED LAMINAR FLOW CHANGE OBSERVATION DEVICE BASED ON DIFFERENTIAL PRESSURE MEASUREMENT
差圧測定に基づく深海底層流変化観測装置
2019-04-25
Patent
Elektronische Ressource
Japanisch
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