Multi-purpose vehicle mounted soil specific conductivity real-time tester

A soil conductivity, vehicle-mounted technology, applied in the direction of instruments, measuring devices, measuring electrical variables, etc., can solve the problems of unreasonable electrode design, limited working time, high price, etc., and achieve reasonable electrode design, good soil penetration performance, Simple operation effect

Inactive Publication Date: 2007-02-28
CHINA AGRI UNIV
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  • Abstract
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Problems solved by technology

[0010] The purpose of the present invention is to overcome the shortcomings of existing soil conductivity testing instruments such as unreasonable electrode design, limited working time, and high price, and provide a multi-purpose vehicle-mounted soil that has high measurement accuracy, unlimited measurement time, and is suitable for my country's national conditions. Conductivity real-time tester

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  • Multi-purpose vehicle mounted soil specific conductivity real-time tester
  • Multi-purpose vehicle mounted soil specific conductivity real-time tester
  • Multi-purpose vehicle mounted soil specific conductivity real-time tester

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Embodiment Construction

[0056] The multi-purpose vehicle-mounted soil conductivity real-time tester of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0057] The multi-purpose vehicle-mounted soil conductivity real-time tester of the present invention is composed of two parts: an electrode sensor unit 16 and a data acquisition and processing unit 17 . As shown in FIG. 1 , the data acquisition and processing unit 17 is electrically connected to the electrode leads on the electrode sensor unit 16 through a multi-core cable 13 , and there is a plug at each end of the cable. The plug at the end of the cable 13 connected to the data acquisition and processing unit 17 is directly inserted into the corresponding interface of the data acquisition and processing unit, and the plug at the end of the cable 13 connected to the electrode sensor unit 16 branches out several wires, and each wire is connected to the electrode sensor unit....

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Abstract

The invention relates to a multifunctional carrier soil conductivity real-time detector, wherein it is formed by electrode sensor unit, data collecting-processing unit; said electrode sensor unit is formed by support, wheel, and post electrode, while the wheel and post electrode are fixed on the support; the data collecting-processing unit comprises power convert circuit, signal convert-amplify circuit, A/D converter, processor and liquid crystal display circuit; the data collecting-processing unit via one multi-core cable is connected ton the electrodes of electric sensor. The invention uses current-voltage four-end method, and six-post-electrode design, without less damage on soil; and it uses separated design, therefore, even the soil end of electrode is damaged, it can replace accident part easily.

Description

technical field [0001] The invention relates to sensing technology and soil physical and chemical characteristic measurement technology, in particular to a multipurpose vehicle-mounted real-time soil conductivity tester. Background technique [0002] Soil electrical conductivity contains rich information on soil nutrients and physical and chemical properties, and is closely related to soil properties that affect crop yield. Obtaining soil electrical conductivity information and effectively integrating it with other information data is conducive to evaluating the growth environment of crops. [0003] There are two basic design ideas for the test device for on-site measurement of soil conductivity: non-contact design based on the principle of electromagnetic induction and contact design based on the "current-voltage four-terminal method". The non-contact design uses the principle of electromagnetic induction (EMI), that is, the alternating current is passed into the transmitt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R27/02G01N27/04
Inventor 李民赞张俊宁邹奇章孔德秀王琦
Owner CHINA AGRI UNIV
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