Refill Station Active Substance Verification

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Solution Overview

Problem

Existing refill stations lack adequate safety measures to ensure that only compatible and quality-checked active substances are refilled into dispenser cans, potentially leading to misuse or accidental filling with inappropriate substances, which can be dangerous and cause damage.

Innovation Solution

A refill station equipped with a capturing unit and control unit that examines the active substance for predetermined permissibility criteria before allowing a refill, using methods such as optical, chemical, or radioactive detection to ensure compatibility and origin verification, and a prevention unit to prevent impermissible substances from being filled.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a refill station automatically refills dispenser cans with active substance, then refilling efficiency is improved, but the risk of filling with incompatible or unsafe substances increases

Engineering Contradiction:

Improverefilling efficiencyVSAvoidsafety of refill operation

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The patent applies preliminary action by implementing a capturing unit that detects and identifies the active substance before the refill process begins. The control unit verifies compatibility between the detected substance and the dispenser can requirements in advance, preventing incompatible substances from being refilled. This preliminary verification maintains high refilling efficiency while ensuring safety through pre-checks.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent implements feedback by using the capturing unit to continuously monitor and detect the active substance during the refill process. The control unit receives real-time information about the substance being refilled and automatically adjusts or stops the refill operation if incompatibility is detected. This feedback mechanism ensures that only compatible substances are refilled, maintaining both efficiency and safety.

Inventive Principle:

Principle #23Feedback

2Reliability

If mechanical encoding is used to match dispenser cans with correct active substances, then confusion between incompatible substances is reduced, but the complexity of the refill station increases

Engineering Contradiction:

Improvecompatibility verificationVSAvoidcomplexity of refill station

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent replaces the purely mechanical encoding system with a sensor-based detection system. Instead of relying solely on mechanical shapes and physical constraints to prevent incompatible refills, the system uses optical, acoustic, or chemical sensors to detect and verify substance compatibility. This substitution maintains reliability in compatibility verification while reducing mechanical complexity through automated sensing and electronic control.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If additional safety checks are implemented before refill, then operational safety is improved, but the time required for refill operation increases

Engineering Contradiction:

Improveoperational safetyVSAvoidrefill operation time

Core Design Contradiction:

ReliabilityVSLoss of time

Solution Approach 1:

The patent applies continuity of useful action by integrating the capturing unit into the existing refill flow, allowing substance detection and compatibility verification to occur continuously during the refill process rather than as separate discrete steps. The control unit performs verification actions concurrently with the refill operation, eliminating idle time while maintaining comprehensive safety checks. This continuous approach ensures operational safety without significant time penalty.

Inventive Principle:

Principle #20Continuity of useful 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

Ensures operational safety by preventing the refill of incompatible or unsafe active substances, thereby protecting users and preventing damage to the refill station and treated objects.

Implementation Method 1

using methods such as optical, chemical, or radioactive detection to ensure compatibility and origin verification

Methodology Applied

Scientific EffectOptical detection: Absorption Spectroscopy

Implementation Method 2

using methods such as optical, chemical, or radioactive detection to ensure compatibility and origin verification

Methodology Applied

Scientific EffectChemical detection: Chemical Bonding

Implementation Method 3

using methods such as optical, chemical, or radioactive detection to ensure compatibility and origin verification

Methodology Applied

Scientific EffectRadioactive detection: Radioactive Decay

Data Source

PatentUS20240246710A1Refill station for a dispenser can with a refill lock for an impermissible active substance

Publication Date: 2024.07.25 WURTH INT AG

AI summary

Refill station comprising a receiving device for receiving a dispenser can which is to be refilled with an active substance, a capturing unit for capturing if an active substance which is to be refilled into the dispenser can which is received at the receiving device fulfills at least one predetermined permissibility criterion, and a control unit which is configured for permitting a refill of the dispenser can with the active substance via the receiving device only when the active substance which is captured at the capturing unit fulfills the at least one predetermined permissibility criterion.