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Large-capacity storage device for long-term and high-speed acquisition of underwater acoustic signals

A large-capacity storage and underwater acoustic signal technology, which is applied in the direction of information storage, record information storage, and record carriers used by machines, etc., can solve the problems of high power consumption for collection and storage, insufficient battery capacity, and insufficient pressure resistance of the pressure chamber

Pending Publication Date: 2022-08-05
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its limitations are that due to the limitation of storage space, it is impossible to continuously collect, store and record underwater acoustic signals for a long time; in addition, its acquisition and storage consumes a lot of power, and the battery capacity is insufficient, so it cannot stay in the sea for a long time to record underwater acoustic signals; and, due to its durability The design of the ballast tank is not enough to withstand pressure, so it cannot be placed in 10,000-meter deep water for underwater acoustic signal recording

Method used

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  • Large-capacity storage device for long-term and high-speed acquisition of underwater acoustic signals
  • Large-capacity storage device for long-term and high-speed acquisition of underwater acoustic signals
  • Large-capacity storage device for long-term and high-speed acquisition of underwater acoustic signals

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Experimental program
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Effect test

Embodiment 1

[0038] figure 2 This application is a schematic diagram of the external structure of a large-capacity storage device for long-term and high-speed acquisition of underwater acoustic signals. like figure 2 As shown, the device includes: an upper end cover 2, a lower end cover 5, a pressure chamber 3, a deep water sensor 6 and a circuit module 4;

[0039] The upper end cover 2 and the lower end cover 5 are respectively located at both ends of the pressure chamber body 3;

[0040] The upper end cover 2 is provided with a watertight connector 1, and the upper end cover 2 is connected with the deep water sensor 6 through the watertight connector 1; the deep water sensor 6 is used for collecting deep water signals;

[0041] The circuit module is composed of a circuit board 7, a battery pack 8 and a support frame 9;

[0042] The circuit board 7 is connected with the watertight connector 1 and the battery pack 8, and the circuit board 7 is fixed on the support frame 9;

[0043] T...

Embodiment 2

[0051] figure 1 A topology diagram of a large-capacity storage device for long-term and high-speed acquisition of underwater acoustic signals is provided for this application. The circuit board includes a conditioning module, an analog-to-digital conversion module, a main control module, a storage module, and a step-down voltage regulator circuit module;

[0052] The analog-to-digital conversion module and the conditioning module are used to convert the signals collected by the deep water sensor 6 into digital signals and transmit them to the main control module;

[0053] The storage module is used to store the collected data;

[0054] A step-down regulator circuit is used to convert the battery voltage to the appropriate voltage required by each module.

[0055]The analog-to-digital conversion module includes a first analog-to-digital converter and a second analog-to-digital converter. The first analog-to-digital converter is used to convert the underwater acoustic signal c...

Embodiment 3

[0061] like Figure 5 As shown, the present embodiment provides a method for throwing and recycling a large-capacity storage device for long-term, high-speed collection of underwater acoustic signals, including the following steps:

[0062] The first step is to connect the connecting wire of the battery pack 8 to the circuit board 7, the power indicator light on the circuit board 7 is on, and the device is powered on;

[0063] The second step is to connect the computer with the USB of the underwater acoustic signal acquisition and storage device, and then start the timing and clock adjustment by the host computer. After the clock is set, the underwater acoustic signal can be collected. At this time, the collection indicator light flashes once every 20 seconds.

[0064] The third step is to seal the pressure chamber 3 of the device, and fix it on the seabed mooring together with the deep-water releaser, and then put it into the seabed for long-term data collection and storage;...

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Abstract

The invention discloses a large-capacity storage device for long-term and high-speed acquisition of underwater acoustic signals. The device comprises an upper end cover, a lower end cover, a pressure-resistant cabin body, a deepwater sensor and a circuit module, the upper end cover and the lower end cover are respectively positioned at two ends of the pressure-resistant cabin; the upper end cover is provided with a watertight connector, and the upper end cover is connected with the deepwater sensor through the watertight connector. The deepwater sensor is used for collecting deepwater signals; the battery and circuit module is composed of a circuit board, a battery pack and a supporting frame. The circuit board is connected with the watertight connector; the circuit board is further connected with the battery pack and fixed to the supporting frame. The supporting frame is fixed to the upper end cover and makes contact with the interior of the pressure-resistant cabin through the elastic sealing ring. The invention provides a large-capacity storage device for long-term and high-speed acquisition of underwater acoustic signals, which can meet the requirements of myriameter pressure resistance, long-term and high-speed acquisition and storage of underwater acoustic signals.

Description

technical field [0001] The present application belongs to the field of marine acoustics, and in particular relates to a large-capacity storage device for long-term, high-speed acquisition of underwater acoustic signals. Background technique [0002] With the development and utilization of my country's oceans moving to the deep sea, the marine acoustic observation technology has expanded from the shallow sea to the deep sea, which is a major demand for understanding, utilizing and developing the deep sea. In view of the lack of technically effective means of acquiring deep-sea acoustic information in China, this application solves the long-term, low-noise signal acquisition and storage technology, provides reliable acoustic recording equipment for abyss scientific expeditions, and improves my country's deep-sea acoustic equipment manufacturing capabilities. [0003] At present, my country has carried out the research and development of deep-sea self-contained underwater acous...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G11B33/12G11B33/14G11B33/06G06K19/07
CPCG11B33/125G11B33/06G11B33/144G06K19/07Y02E60/10
Inventor 张盛泉游庆瑜王娟李少卿郭永刚
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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