Integrated Plant Tag with Hydrochromic Moisture Indicator
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Solution Overview
Problem
Existing plant tags do not provide a comprehensive solution for both plant identification and soil moisture/humidity monitoring, requiring separate instruments for each function.
Innovation Solution
Environmentally sensitive plant identification tags that integrate a substrate with a tag insertion end, an indicator, and a wicking material to conduct moisture to an indicator, which changes state visibly or electronically based on moisture levels, using hydrochromic ink or RFID technology to indicate soil moisture/humidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate instruments are used for plant identification and soil moisture monitoring, then each function can be performed independently, but the overall system complexity increases and requires multiple devices
Solution Approach 1:
The patent combines plant identification and soil moisture monitoring into a single integrated tag device. The tag includes an indicator portion with hydrochromic ink that changes color based on moisture levels, and an RFID portion for wireless communication, both integrated within one substrate that is inserted into the plant growing medium.
Solution Approach 2:
The tag is designed to perform multiple functions simultaneously: it provides plant identification through RFID technology, monitors soil moisture levels through hydrochromic ink changes, and can indicate different moisture thresholds using multiple indicators with different activation levels. This multi-functional design eliminates the need for separate instruments.
2Measurement precision
If multiple separate devices are used for monitoring, then measurement precision can be maintained for each function, but the quantity of devices and materials increases
Solution Approach 1:
The patent integrates multiple monitoring capabilities into a single tag device. The substrate contains both hydrochromic ink indicators for visual moisture detection and an RFID portion for electronic monitoring, allowing precise moisture measurement at multiple thresholds without requiring multiple separate devices.
Solution Approach 2:
The patent uses multiple indicators with different moisture activation thresholds (first indicator at lower threshold, second indicator at higher threshold) to provide comprehensive moisture monitoring across different levels, compensating for the limitation of a single indicator and maintaining measurement precision across the full moisture range.
3Ease of operation
If separate instruments are used for identification and moisture monitoring, then ease of operation for each device can be optimized, but the overall operation requires multiple steps and devices
Solution Approach 1:
The integrated tag allows simultaneous plant identification and moisture monitoring through a single device. The RFID portion enables wireless communication for identification while the hydrochromic indicators provide visual moisture feedback, eliminating the need to operate separate instruments and reducing the time required for monitoring.
Solution Approach 2:
The hydrochromic indicators automatically change color in response to moisture levels without requiring external power or active sensing. The RFID portion provides passive identification capability, allowing the tag to serve itself for both identification and monitoring functions without requiring complex operational procedures.
4Adaptability or versatility
If traditional plant tags are used without moisture indication, then the tag structure remains simple, but additional functionality for moisture monitoring is lost
Solution Approach 1:
The patent integrates moisture monitoring functionality into the traditional plant tag structure by incorporating hydrochromic ink indicators and an RFID portion within the substrate. This allows the tag to maintain its simple insertion design while adding sophisticated moisture monitoring and identification capabilities.
Solution Approach 2:
The tag is designed to perform multiple functions: plant identification through RFID, visual moisture monitoring through hydrochromic ink color changes, and threshold-based monitoring through multiple indicators with different activation levels. This multi-functional design enhances the traditional tag without requiring completely restructuring the basic tag form.
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
Provides simultaneous plant identification and moisture/humidity monitoring, offering visible or electronic indicators that respond to specific moisture thresholds, enhancing gardening and farming efficiency.
Implementation Method 1
a wicking material disposed longitudinally along or in the substrate, from an area of the substrate proximate the tag insertion end to the indicator and configured to conduct moisture from the plant growing medium to the indicator
Implementation Method 2
the indicator further includes a hydrochromic ink, and the observable change includes a change in a color state of the hydrochromic ink, wherein the change in color state includes a change of at least one property chosen from the group consisting of hue, chroma, transparency, opacity, and combinations thereof
Data Source
AI summary
Environmentally sensitive plant ID tags are disclosed herein. An example environmentally sensitive tag for use in a plant growing medium, includes; a substrate including a tag insertion end which is narrowed, pointed, or rounded; an indicator located on or in the substrate, the indicator having an initial state and at least one activated state, the indicator configured to transition from the initial state to the at least one activated state in response to exposure to moisture producing an observable change; and a wicking material disposed longitudinally along or in the substrate, from an area of the substrate proximate the tag insertion end to the indicator and configured to conduct moisture from the growing medium to the indicator when the tag insertion end is inserted in the plant growing medium.