Hand-held acoustic automatic measurement device for seabed sediment sample profile

A technology for seabed sediments and measurement devices, which is applied in measurement devices, radio wave measurement systems, and analysis of solids using sonic/ultrasonic/infrasonic waves, can solve problems such as low cost, and achieve low cost, strong operability, and device structure. simple effect

Active Publication Date: 2021-09-21
OCEAN UNIV OF CHINA
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  • Abstract
  • Description
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Problems solved by technology

At present, there is no device and method that is simple, fast, low in cost and high in accuracy.

Method used

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  • Hand-held acoustic automatic measurement device for seabed sediment sample profile
  • Hand-held acoustic automatic measurement device for seabed sediment sample profile
  • Hand-held acoustic automatic measurement device for seabed sediment sample profile

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Embodiment Construction

[0034] Accompanying drawing is a kind of specific embodiment of the present invention.

[0035] The hand-held acoustic full-automatic measurement device and method for seabed sediment sample profile of the present invention comprises a base shell, and a central processing unit, an acoustic signal emission acquisition control unit device, and a power supply device are installed in the base shell; A plurality of probe rods, the lower end of the probe rods has a cone tip for piercing the sediment, and each probe rod is equipped with an acoustic transducer; the acoustic transducer is connected to the acoustic signal emission acquisition control unit device;

[0036] A touch screen display, a laser ranging probe are also installed in the base shell, and a handle is installed on the upper part of the base shell; each probe rod is equipped with an acoustic transmitting transducer or an acoustic receiving transducer.

[0037] Among the several probe rods at the bottom of the base shel...

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Abstract

The invention discloses a hand-held sediment columnar sample section acoustic automatic measurement device and method, belonging to the field of marine geological detection. The invention includes a reflective plate for laser reflection; a laser ranging probe for emitting ranging laser; an acoustic emission acquisition control unit; an acoustic transducer; a central processing unit; a lithium battery; and a display. The device according to the invention can quickly, conveniently and accurately acquire the sound velocity and sound attenuation of seabed sediments in the transverse direction and longitudinal direction of the box sampler and the longitudinal direction of the columnar sampler on the deck after sampling at sea.

Description

technical field [0001] The invention relates to the technical field of marine geological exploration, in particular to a hand-held acoustic fully automatic measuring device and method for a seabed sediment sample profile. Background technique [0002] Acoustic parameters of seabed sediments have very important application value for marine engineering geological exploration, analysis of ocean acoustic field, development of seabed oil and gas and other mineral resources, monitoring of seabed geological disasters, etc. [0003] At present, there are two main methods for direct measurement of acoustic parameters of seabed sediments: seabed in-situ measurement and laboratory measurement. In-situ measurement on the seabed can reduce temperature, pressure, and sediment disturbance, but the measurement cost is high, the operation is complicated, and the reliability of the equipment is low; laboratory measurement has the characteristics of low cost and convenient operation, but due t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/11G01N29/07G01S17/08
CPCG01N29/07G01N29/11G01S17/08
Inventor 贾永刚孙志文王景强范智涵宋晓帅薛凉
Owner OCEAN UNIV OF CHINA
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