Smart Hydration Bottle Capacitance Sensing for Accurate Volume Tracking
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Solution Overview
Problem
Current hydration tracking methods are manual and inadequate, failing to accurately and conveniently monitor liquid intake over time, leading to poor hydration in a significant portion of the population.
Innovation Solution
A smart hydration container equipped with capacitive sensors, a processor, and a storage medium that autonomously determines liquid volume based on capacitance values, optionally incorporating temperature and orientation sensors, and provides user notifications for optimal hydration reminders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual hydration tracking is used, then users can monitor liquid intake, but the tracking is inaccurate and inconvenient
Solution Approach 1:
The hydration container automatically tracks liquid volume using capacitive sensors and processors without requiring user intervention. The system self-measures the liquid level, self-calculates volume, and self-records data, eliminating the need for manual tracking while providing accurate measurements.
Solution Approach 2:
The patent replaces manual mechanical tracking methods with electronic capacitive sensing. The capacitive sensor detects liquid level through electrical field changes, and the processor automatically converts this to volume measurements, substituting human manual operation with automated electronic measurement systems.
2Measurement precision
If automated sensing is implemented, then measurement accuracy improves, but device complexity increases
Solution Approach 1:
The capacitive sensor serves multiple functions: it detects liquid level, determines liquid volume, and can potentially sense liquid composition. The processor handles sensing data, performs volume calculations, stores measurements, and provides user notifications. This multi-functionality reduces the need for separate dedicated components for each task.
Solution Approach 2:
The system measures capacitance values and transforms them into liquid volume measurements through calibration curves or lookup tables. By changing the measurement parameter from direct physical dimension to electrical capacitance, the system achieves accurate volume measurement without complex mechanical sensing structures.
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 solution provides an accurate, convenient, and effective method for tracking hydration levels, ensuring users maintain proper hydration through automated volume measurement and reminders, enhancing hydration tracking beyond manual methods.
Implementation Method 1
receives a capacitive sensor signal output from the capacitive sensor, the capacitive sensor signal indicative of a capacitance value between the first and second conductive surfaces
Data Source
AI summary
Systems and methods for providing a smart hydration container or bottle which accurately tracks a user's liquid intake. The smart hydration container utilizes a new capacitive sensing technology which does not require a complicated design for capacitive conductive surfaces and provides accurate capacitive measurements which map to volume measurements. Through the use of calibrated data, the smart hydration container accurately measures capacitance “as a whole” of the entire container's contents even when the container is not resting upright. In some implementations, the smart hydration container utilizes a combination of capacitive sensing, motion sensing, position sensing, and/or temperature sensing to provide an accurate measure of liquid volume in the container. The capacitive sensor may be electrically shielded by a passive conductive sensor shield, a grounded conductive sensor shield, or an active conductive sensor shield.