Conductive Transport Plane for Laboratory Sample Distribution
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing laboratory sample distribution systems face inefficiencies and operational disturbances due to electric charges accumulating during sample transport, which can disrupt system operation.
Innovation Solution
A laboratory sample distribution system featuring a transport plane coated with an electrically conductive material, such as copolyester or polyethylene terephthalate, to distribute and ground electric charges, combined with magnetically active sample container carriers and electromagnetic actuators for precise movement, ensuring reliable operation and reduced friction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional transport plane is used, then the system structure is simple, but electric charges accumulate during sample transport causing operational disturbances
Solution Approach 1:
The transport plane undergoes a material parameter change from conventional non-conductive material to electrically conductive material. This parameter change enables the transport plane to conduct and dissipate electric charges that accumulate during sample transport, thereby eliminating operational disturbances while maintaining system reliability.
Solution Approach 2:
The transport plane is constructed using composite material comprising conductive polymer matrix combined with conductive fillers (such as carbon black, carbon nanotubes, or metal particles). This composite structure provides both the mechanical integrity needed for transport operations and the electrical conductivity required to dissipate accumulated charges.
2Reliability
If the transport plane is covered with electrically conductive material, then electric charge disturbances are eliminated, but the manufacturing complexity increases
Solution Approach 1:
The manufacturing process utilizes parameter changes in the form of adding conductive fillers to polymer matrices during conventional plastic extrusion or molding processes. This approach integrates conductivity enhancement into existing manufacturing workflows without requiring entirely new manufacturing methods, thereby limiting the increase in manufacturing complexity.
Solution Approach 2:
The invention replaces complex electrical grounding systems and charge dissipation mechanisms with a passive conductive material layer. Instead of using active mechanical or electrical systems to manage charges, the conductive material provides continuous charge dissipation through its inherent electrical properties, simplifying the overall system.
3Ease of operation
If magnetically active sample container carriers are used, then precise movement control is achieved, but the device complexity increases
Solution Approach 1:
The system replaces conventional mechanical drive mechanisms (motors, gears, belts) with magnetic field-based actuation. Electromagnetic actuators generate magnetic fields that interact with the magnetically active carriers to produce precise movement control without mechanical contact, thereby improving ease of operation while the modular carrier design keeps complexity manageable.
Solution Approach 2:
The magnetically active carriers serve multiple functions: they are actuated by electromagnetic fields for precise positioning, they can be tracked by magnetic sensors for position feedback, and their magnetic properties enable interaction with the conductive transport plane. This multi-functionality consolidates several system requirements into a single component design.
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 effectively eliminates electric charge disturbances, enhances system reliability, and prevents spilling by equating gliding and static friction, ensuring long-term operation and efficient sample transport between laboratory stations.
Implementation Method 1
a number of electromagnetic actuators arranged in a matrix below the transport plane and configured to generate magnetic forces for moving the sample container carriers on the transport plane along defined paths
Implementation Method 2
The transport plane can be covered by a first electrically conductive material
Data Source
AI summary
A laboratory sample distribution system comprising a transport plane in which the transport plane is covered by an electrically conductive material is presented. A laboratory automation system comprising such a laboratory sample distribution system is also presented.