Automated Solution Dispensing for Precise Lab Preparation

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Solution Overview

Problem

Laboratory workers spend excessive time on manual tasks such as measuring, dispensing, mixing, and preparing solutions, which lacks consistency and accuracy, and there is a need for automated systems that can handle various solid forms and monitor key parameters like pH and temperature with minimal human intervention.

Innovation Solution

An automated solution dispenser system that includes a solids handling system, liquid handling system, and control system capable of self-cleaning, allowing for precise dosing, mixing, pH adjustment, heating, cooling, degassing, and filtration of solutions with remote access, and integrated monitoring of parameters like pH, temperature, and stock levels, enabling efficient and accurate solution preparation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual solution preparation is used, then flexibility in handling various solid forms is maintained, but time consumption and labor intensity increase significantly

Engineering Contradiction:
Improvesolution preparation speedVSAvoidautomation system complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The solution dispenser is divided into distinct functional modules: a solids handling system for storing and manipulating solids, a liquid handling system for managing liquids, and a control system for coordinating operations. This segmentation allows each module to be optimized independently while working together to achieve automated solution preparation, resolving the contradiction between productivity improvement and system complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The automated solution dispenser is designed with multi-functional capabilities to handle various solid forms (fine powders, clumpy powders, crystalline solids) and perform multiple operations (measuring, dispensing, mixing, pH adjustment, temperature control, degassing, filtering, bottling). This universality enables a single system to replace multiple manual processes, improving productivity without requiring separate specialized equipment for each function.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If manual measuring and dispensing is performed, then equipment simplicity is maintained, but measurement accuracy and dosing precision decrease

Engineering Contradiction:
Improvesolid dosing accuracyVSAvoidhandling system complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system replaces manual mechanical measuring and dispensing operations with automated mechanisms. The solids handling system uses controlled mechanical dosing mechanisms to accurately measure and dispense solids, while the control system provides precise digital control over dosing amounts. This substitution of manual mechanical operations with automated systems achieves high measurement precision while managing the inherent complexity through integration.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If multiple different solutions are prepared manually, then cross-contamination control is maintained through careful cleaning, but time consumption and labor requirements increase

Engineering Contradiction:
Improvesolution purity consistencyVSAvoidsolution preparation throughput
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The solution dispenser incorporates self-cleaning capabilities that automatically clean the mixing chamber and fluid pathways between different solution preparation tasks. This self-service cleaning function maintains solution purity and prevents cross-contamination without requiring manual intervention, thereby preserving reliability while enabling continuous high-throughput operation by eliminating the time needed for manual cleaning between batches.

Inventive Principle:
Principle #25Self-service

4Manufacturing precision

If comprehensive monitoring of solution parameters is implemented, then solution quality control is improved, but system complexity and data management burden increase

Engineering Contradiction:
Improvesolution composition accuracyVSAvoidmonitoring system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The control system incorporates sensors and monitoring capabilities that continuously measure solution parameters such as pH, temperature, and composition during the preparation process. This feedback is used in real-time to adjust dosing amounts and process conditions to achieve the desired solution specifications. The automated feedback loop improves manufacturing precision by ensuring accurate solution composition while managing monitoring system complexity through integrated control algorithms that automatically process sensor data and make adjustments without requiring complex external data management systems.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP2874736B1Automated solution dispenser
Publication Date: 2023.04.19 LABMINDS LTD
  • EP2874736B1 patent drawingFigure 1A
  • EP2874736B1 patent drawingFigure 1B~1C
  • EP2874736B1 patent drawingFigure 1D~1E

AI summary

The methods and systems of the invention include the use of automated solution dispensers in laboratory environment. The automated solution dispensers can be controlled locally or remotely within a network. The usage of the instruments can be followed and procurement of supplies can be automated.