Soil Moisture Sensor Mounting Verification
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Solution Overview
Problem
Conventional soil moisture measuring apparatuses face issues with reduced contact area between measuring electrodes and soil, leading to inaccurate measurements due to gaps when the apparatus is inserted or moved, which impede exact moisture measurement.
Innovation Solution
A moisture measuring apparatus with a determination section that assesses the mounting state by analyzing the moisture state data from a moisture measuring section, using tables for temperature, humidity, and soil classification to set judgment thresholds and times, and informs the user through an informing section about the mounting state, ensuring proper contact and accurate measurements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the measuring apparatus is thrust into soil or its position is transferred, then the measuring apparatus can be repositioned or installed, but a gap occurs between the soil and the measuring apparatus, reducing contact area
Solution Approach 1:
The determination section evaluates mounting state information before final measurement readings are taken. This preliminary assessment allows the system to detect gaps or improper contact between the measuring apparatus and soil, enabling users to correct installation issues before obtaining measurement data, thus ensuring both ease of installation and measurement accuracy
Solution Approach 2:
The informing section provides feedback to the user about the mounting state by displaying evaluation results (properly mounted or improperly mounted). This feedback mechanism allows users to understand whether the apparatus is correctly installed and take corrective actions if needed, resolving the contradiction between easy installation and accurate measurement
2Measurement precision
If the gap between soil and measuring apparatus is reduced, then contact area increases improving measurement accuracy, but the apparatus becomes more difficult to install or reposition
Solution Approach 1:
The system performs self-diagnosis by automatically evaluating its own mounting state through the determination section, which analyzes measurement information to assess whether proper contact with soil is achieved. This self-service capability eliminates the need for complex external installation tools or procedures, maintaining ease of installation while ensuring measurement accuracy through automated verification
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The apparatus provides users with confirmation of proper mounting, enabling exact moisture measurements by determining the presence of gaps and adjusting judgment criteria based on environmental conditions, thus improving measurement accuracy and user feedback.
Implementation Method 1
Generally, soil moisture measuring apparatuses developed for farm work or kitchen gardens measure moisture included in soil based on, for example, an electric resistance method
Data Source
AI summary
An object of the present invention is to provide a moisture measuring apparatus which, when the body of the apparatus for measuring a state of moisture in a measurement target object is mounted into the measurement target object, provides a user with a mounting state as to whether the moisture measuring apparatus has been appropriately mounted. In the present invention, the CPU of a moisture measuring apparatus determines the mounting state of the moisture measuring apparatus in soil that is a measurement target object (judges whether or not there is a gap between a sensor electrode and soil) based on the state of moisture (moisture amount) measured by a soil moisture amount sensor, and informs a result of the judgment.