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Supersonic wave soil eolation gathering instrument

An ultrasonic and collecting instrument technology, applied in the direction of using sonic/ultrasonic/infrasonic waves to analyze solids, instruments, measuring devices, etc., can solve problems such as differences, and achieve the effect of easy portability, convenient field movement, and small size

Inactive Publication Date: 2007-12-12
COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
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AI Technical Summary

Problems solved by technology

Due to the complex factors affecting the wind-driven sand transport capacity, the theoretical calculation value is often quite different from the measured value. Therefore, until now, the determination of the sand transport rate in a specific area has generally continued to use direct observation data for statistical analysis.

Method used

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  • Supersonic wave soil eolation gathering instrument

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Embodiment Construction

[0013] As shown in Figure 1, an ultrasonic soil wind erosion acquisition instrument is composed of an ultrasonic sensor 1 and a data acquisition and counting circuit 2 of a single-chip microcomputer. The ultrasonic sensor 1 is installed on a bracket and distributed on each measuring point. The data acquisition and counting circuit 2 interfaces are connected. Single-chip microcomputer data acquisition and counting circuit 2 is composed of 232 interface 4, power switch 5, power supply 6, data storage card 7, notebook computer 8, and transmission line 3. The power supply 6 is a storage battery 9 .

[0014] Under the action of a certain airflow (generally, the wind speed is greater than or equal to 3.9m / s), the sand starts to rise, and the ultrasonic pulse emitted by the probe of the ultrasonic sensor 1 reaches the soil gravel interface and is reflected back to the probe, and the propagation of the ultrasonic wave in the soil gravel is accurately measured. The time to determine t...

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Abstract

The invention relates to an instrument testing the sand deflation quantity.It comprises the supersonic sensor and single chip data collecting counting circuit. The supersonic sensor connects with the single chip data collection counting circuit interface through the conveyer belt. It solves the bigger difference of long term wind force sand theory and real testing value, using this instrument to determine the specific sand conveying rate for resource accumulation. It is small in size, easy for carrying, high in sensitivity, big in measurement scope, storable, checking and deleting testing value.

Description

technical field [0001] The invention belongs to an instrument for measuring wind erosion of dusty soil. Background technique [0002] The determination of flying sand, flying soil and flying dust in the wind-sand flow is one of the data that must be measured in the study of the formation and change of the wind-sand landform. At the same time, it plays an important role in the establishment of desert oasis shelter belts and the sand prevention benefits of railway and highway projects, the monitoring of ecological environment, and the investigation of soil fertility changes. Since the mid-1950s, scientific and technical personnel have conducted many observations of sandstorms in the Shapotou area of ​​Ningxia, and made more in-depth discussions. According to the observed data, the wind-sand flow has the following characteristics: ①Under various airflow velocities, there is a good linear relationship between the elevation and the logarithmic scale of the sand concentration (%)...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N29/07G01M9/06
Inventor 王涛赵爱国张正偲孙庆伟
Owner COLD & ARID REGIONS ENVIRONMENTAL & ENG RES INST CHINESE
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