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Automatic Arctic sea ice density measuring device

A density measurement and density detection technology, which is applied in measurement devices, specific gravity measurement, special data processing applications, etc., can solve problems such as non-real-time performance, and achieve the effects of simple steps, low cost, and true and reliable measurement results.

Inactive Publication Date: 2015-03-04
TAIYUAN UNIV OF TECH
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Problems solved by technology

Overcoming the non-real-time problem in the existing sea ice density measurement technology, and thus disclosing an automatic dynamic sea ice density measurement device mainly used in the field of polar expeditions

Method used

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Effect test

Embodiment approach 1

[0014] 1. Installation of polar sea ice density measurement device

[0015] The polar sea ice density measuring device of the present invention is suitable for fixed-point monitoring of sea ice, so at first to select a suitable observation point before installation, it is advisable to level the ice in that year, and the sea ice has frozen to a certain thickness (20-30cm above), select the observation point. Drill a 50cm long and 10cm wide ice crevice on the ice surface, then install the sea ice density sensor upright in the ice crevice, and use a cross bar to hold the sensor so as not to fall from the ice crevasse. The single-chip microcomputer controller is installed in an instrument box, and the single-chip microcomputer controller and the sea ice density sensor are connected by wires. The power supply for the whole device is a large-capacity wound lead-acid battery.

[0016] 2. Measurement steps of polar sea ice density

[0017] The device for measuring sea ice density o...

Embodiment approach 2

[0027] In the traditional sampling method to measure sea ice density, generally, a uniform cut of an ice core of 20 cm is used as a sample for density measurement to meet the research needs. Therefore, the support 1 in the present invention is provided with a pair of acoustic wave emitting elements and acoustic wave receiving elements every 15cm from top to bottom, and the diameter of the acoustic wave emitting and receiving elements is 5cm, which ensures that the sea ice is monitored every 20cm. Polar sea ice generally has a thickness of about 2 meters in winter, so setting up 10 pairs of transmitting and receiving elements can meet the needs of the thickness change within 2 meters during the growth of sea ice. Others are the same as Embodiment 1.

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Abstract

The invention relates to an automatic arctic sea ice density measuring device, which belongs to the technical field of automatic detection and metering, and is mainly applied to the field of automatic monitoring of the arctic sea ice. An automatic arctic sea ice density real-time measuring method is provided, so that reliable data support can be provided for scientific research personnel to research the thermodynamics of the arctic sea ice. The automatic arctic sea ice density measuring device consists of a sea ice density detection sensor and a single chip microprocessor controller. The sea ice density detection sensor is designed according to the attenuation characteristics of a sound wave in the sea ice of a given distance, and the single chip microprocessor controller is used for controlling the data storage and wireless transmission, so that the automatic remote wireless measurement of the arctic sea ice density is realized. The problem of non-real-time property in the existing sea ice density measurement technology can be solved, so that the automatic dynamic sea ice density measuring device which is mainly applied to the field of polar exploration is disclosed.

Description

technical field [0001] The invention relates to an automatic measuring device for polar sea ice density, which belongs to the technical field of automatic detection and measurement, and is mainly applied in the field of automatic monitoring of polar sea ice. Background technique [0002] Most of the polar ocean surface is covered by sea ice. Atmospheric and oceanic processes control the formation and development of sea ice, but sea ice also gives feedback. The thermodynamic, mechanical, electrical, and optical properties of sea ice are all determined by the properties of the components that make up sea ice and their size, shape, distribution, and proportion. Polar sea ice density is one of the important physical properties of sea ice. The density of sea ice depends on factors such as seawater salinity, ambient temperature, ice-forming location, sea ice type, and ice age. It is also affected by the method and time of sample storage, as well as the method of density determi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N9/24G01N35/00G06F17/30G08C17/02G01N9/36
Inventor 窦银科孙波郭井学常晓敏王宇晖
Owner TAIYUAN UNIV OF TECH
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