Soil gas conductivity measuring meter
A technology of soil air conductivity and measuring instrument, which is applied in the field of soil measurement, can solve the problems of bulkiness, high price, and single function, and achieve the effect of small size, low cost, and simple circuit design
Inactive Publication Date: 2012-06-27
LUDONG UNIVERSITY
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[0004] The purpose of the present invention is to overcome the disadvantages of single function, constant pressure measurement, expensive and bulky in the prior art, and provide a soil air conductivity measuring instrument with small volume, low cost, portable and intuitive display
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[0029] The principles and features of the present invention will be described below with reference to the accompanying drawings. The examples cited are only used to explain the present invention and not used to limit the scope of the present invention.
[0030] Such as figure 1 As shown, a soil air conductivity measuring instrument according to the first embodiment of the present invention includes a detection module 1, a single-chip microcomputer 2, a storage display module 3, a power supply module 4, and a control module 5.
[0031] The detection module 1 detects the signal, and transmits the signal to the single-chip microcomputer 2;
[0032] The single-chip microcomputer 2 converts signals into data and calculates, and controls the storage and display module 3 to store and display the data;
[0033] The storage and display module 3 is connected to the single-chip microcomputer 2 for bidirectional data, and the storage and display module 3 stores and displays the data and calculatio...
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The invention relates to a soil gas conductivity measuring meter. The soil gas conductivity measuring meter comprises a detection module, a single-chip microcomputer, a storage display module, a power supply module and a control module, wherein the detection module is used for detecting signals and transmitting the signals to the single-chip microcomputer; the single-chip microcomputer is used for transforming the signals into data and calculating; the storage display module is in bidirectional data connection with the single-chip microcomputer and is used for storing the data and the calculating result transmitted by the single-chip microcomputer and displaying; the power supply module is used for supplying power to the detection module, the single-chip microcomputer and the storage display module; and the control module is used for controlling the single-chip microcomputer to receive the signals and transmit the data. The soil gas conductivity measuring meter disclosed by the invention has the advantages of small size, low cost, portability and visibility in display; the single-chip microcomputer integrated with multiple analog-to digital conversions is adopted, thus the circuit design is simple, and the power consumption is low; a liquid crystal screen man-machine interface is more intuitive, datum obtained by a plurality of measuring can be stored, and the datum can be sent to an upper computer to save, display and analyse through a USB (Universal Serial Bus) interface; and convenience is brought for field detection in a battery power supply mode.
Description
Technical field [0001] The invention relates to a measuring device, in particular to a soil air conductivity measuring instrument, belonging to the field of soil measurement. Background technique [0002] In the agricultural field, soil air conductivity is an important physical characteristic of soil, which indicates the water permeability of the soil, the quality of the soil structure, and the composition of soil pores. Now farmland planting mainly depends on experience. The measurement of soil air conductance has the following meanings: 1. Accurately measure the air conductance of soil, and provide information for farmland planting research and guiding agricultural production. 2. Provide reference data for planting and irrigation. 3. Understand the changes in soil properties and take corresponding measures accordingly. [0003] At present, the functions of similar instruments for measuring soil properties in China are relatively single. For example, soil compactness measuring ...
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IPC IPC(8): G01N15/08G01N7/10
CPCG01N33/24G01N15/08
Inventor 陈勇程月波
Owner LUDONG UNIVERSITY