Device for measuring moisture content in soil
AssigneeTELOFARM, Inc.
InventorWoo Joong KIM
Life of this patent
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Abstract
A device for measuring a moisture content in soil according to an aspect of the present invention comprises: a conductive wire structure which can be inserted into soil, includes a first and a second conductive wire, and is formed to have a predetermined structure, the first and the second conductive wire being insulatively coated and extending in parallel to and adjacent to each other; a capacitance measurement circuit for measuring the capacitance between the first and the second conductive wire by using an alternating current power source; and a moisture content calculation unit for calculating a moisture content of the soil by using the measured capacitance.
Claims11
A moisture content measurement device for measuring a moisture content in soil, comprising:
- a conductive wire structure which is insertable into soil, comprises insulatively-coated first and second conductive wires parallel to each other and extending adjacently, and has a certain structure;
- a capacitance measurement circuit configured to measure capacitance between the first and second conductive wires using alternating current (AC) power;
- and
- a moisture content calculation unit configured to calculate the moisture content in soil using the measured capacitance.
A moisture content measurement device for measuring a moisture content in soil, comprising:
- a conductive wire structure which is insertable into soil, comprises insulatively-coated first and second conductive wires parallel to each other and extending adjacently and a ground conductive wire parallel and extending adjacently to the first and second conductive wires and connected to a ground, and has a certain structure;
- a leakage current measurement circuit configured to apply AC power to the first and second conductive wires and to measure a leakage current leaking through the ground conductive wire;
- and
- a moisture content calculation unit configured to calculate the moisture content in soil using the measured leakage current.
Dependencies are inferred from the claim text.