Modular Specimen Transport System Decentralized Control

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Solution Overview

Problem

Existing specimen transport systems rely heavily on central control units for managing and controlling the transport of specimens, which limits flexibility and requires extensive control infrastructure.

Innovation Solution

A modular specimen transport system where multiple modules, such as straight-line, turn, and connection modules, can be freely combined to form desired paths, allowing for decentralized control and reduced reliance on central control units, using destination code signals to direct specimen movement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a central control unit is used to manage and control the transport of specimens, then the system can coordinate multiple analysis devices and turn units, but the system complexity and control infrastructure requirements increase

Engineering Contradiction:
Improvesystem coordination capabilityVSAvoidcontrol infrastructure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent divides the centralized control system into multiple independent control units, each responsible for specific modules (turn units, transport units). Each control unit operates autonomously to manage its assigned components, eliminating the need for a single complex central control unit while maintaining system coordination capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The control units are designed to autonomously determine transport paths and coordinate specimen movement without requiring centralized decision-making. Each control unit independently processes destination information and adjusts transport operations, enabling the system to function with distributed intelligence rather than centralized control.

Inventive Principle:
Principle #25Self-service

2Adaptability or versatility

If multiple fixed-path turn units are installed to transport specimens to different analysis devices, then transport coverage is improved, but the system becomes less flexible and more complex

Engineering Contradiction:
Improvetransport path coverageVSAvoidsystem configuration
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent replaces fixed-path turn units with dynamically adjustable transport units that can change their operational paths based on destination requirements. The turn units and transport units can be reconfigured through software control to adapt to different transport needs, providing versatility without requiring physical reconfiguration or multiple fixed installations.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The control units are designed to manage multiple functions across different modules. A single control unit can manage turn units, transport units, and interface with multiple analysis devices, allowing the system to achieve comprehensive transport coverage through versatile, multi-functional components rather than dedicated fixed-path units for each destination.

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

Data Source

PatentEP2902788B1Specimen transportation system
Publication Date: 2020.04.01 HITACHI LTD
  • EP2902788B1 patent drawingFigure 1
  • EP2902788B1 patent drawingFigure 2
  • EP2902788B1 patent drawingFigure 3

AI summary

A specimen transportation system (100) is configured from linear modules (B) (B1 to B3), turn modules (C) (C1 to C3), and connection modules (D) (D1 to D7). The modules can freely combine with one another, and adjacent modules are connected to one another in a structural manner and so as to be able to communicate with one another. Moreover, the modules form multiple paths through which specimen racks outputted from one specimen output device (A) are transported to multiple analysis devices (E) (E1 to E7). When transporting a specimen rack from an upstream side to a downstream side, each module attaches a destination signal associated with the specimen rack to the specimen rack and transfers the destination signal to the downstream side. As a consequence of each module transporting the specimen rack from the upstream side to the downstream side that corresponds to the destination signal, the specimen rack becomes transported along a path that corresponds to the destination signal.