Baby bottle sensor with content volume sensing and content deduction logic

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Solution Overview

Problem

Existing baby bottles lack the capability to accurately determine the type of fluid content, such as formula or breast milk, which is essential for parents to monitor their infant's feeding, especially when the baby is with a caregiver.

Innovation Solution

A baby bottle sensor system that includes a capacitive sensing system to measure fluid volume, a motion sensor to detect mixing actions, and a central processing unit to analyze signals and deduce the type of fluid, recording this information for an electronic bottle record, and communicating via Bluetooth for user interface display.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a volume sensor is integrated into every baby bottle to measure and record fluid volume, then measurement precision is improved, but device complexity and manufacturing cost increase

Engineering Contradiction:

Improvefluid volume measurementVSAvoidsensor and control circuit integration

Core Design Contradiction:

Measurement precisionVSDevice complexity

Solution Approach 1:

A sensor device serves as an intermediary between the baby bottle and the user's smartphone. The sensor device contains the volume sensor and control circuitry, while the bottle itself remains simple. The sensor device attaches to the bottle and communicates via Bluetooth, separating the complex measurement functionality from the bottle structure.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The system is divided into separate components: a simple baby bottle, an attachable sensor device containing the volume sensor and processing electronics, and a smartphone application. This segmentation allows the complex sensor functionality to be isolated in a detachable module rather than integrated into every bottle.

Inventive Principle:

Principle #1Segmentation

2Loss of information

If motion sensors and content deduction logic are added to determine fluid type, then information completeness is improved, but device complexity increases

Engineering Contradiction:

Improvefluid type informationVSAvoidmotion sensor and processing logic

Core Design Contradiction:

Loss of informationVSDevice complexity

Solution Approach 1:

The system replaces complex chemical or optical fluid identification methods with mechanical motion sensing. By detecting characteristic mixing motions (shaking patterns) that occur when preparing formula, the system infers fluid type without requiring complex sensors. The CPU analyzes motion patterns to deduce whether formula powder was mixed with water.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system uses the natural mixing actions performed by the user as part of the identification process. When a user shakes the bottle to mix formula, the motion sensor detects this characteristic motion pattern, allowing the system to self-identify the fluid type without requiring additional input from the user or complex sensing mechanisms.

Inventive Principle:

Principle #25Self-service

3Measurement precision

If real-time motion monitoring is implemented to detect mixing actions, then measurement capability is improved, but energy consumption increases

Engineering Contradiction:

Improvemixing action detectionVSAvoidreal-time sensor operation

Core Design Contradiction:

Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The motion sensor operates in periodic intervals rather than continuous monitoring. The sensor activates to detect mixing motions during expected feeding times, then enters low-power mode. This periodic operation maintains the ability to detect mixing actions while significantly reducing overall energy consumption compared to continuous monitoring.

Inventive Principle:

Principle #19Periodic action

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

Enables parents to accurately track the type of fluid being fed to their infant, providing peace of mind when the baby is with a caregiver by distinguishing between formula and other fluids through real-time monitoring and data recording.

Implementation Method 1

a capacitive sensing system that senses a volume of fluid in a baby bottle

Methodology Applied

Scientific EffectCapacitance: Capacitance

Implementation Method 2

a motion sensor adapted to determine an orientation of the baby bottle sensor with respect to a horizon, and to detect motion of the baby bottle sensor in real time

Methodology Applied

Scientific EffectAccelerometer: Accelerometer

Data Source

PatentUS10561582B2Baby bottle sensor with content volume sensing and content deduction logic

Publication Date: 2020.02.18 WOOD ZAK

AI summary

A baby bottle sensor with content volume sensing and content deduction logic is attachable to a baby bottle. The sensor measures a volume of fluid in the baby bottle and uses programmed logic to deduce whether formula or some other fluid is being fed. Collected data is stored and reported to a paired Bluetooth device.