Modular Sample Distribution Layout With Daisy-Chain Addressing
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Solution Overview
Problem
Current laboratory sample distribution systems lack scalability and modularity, limiting their ability to efficiently manage large numbers of sample container carriers and requiring complex and inflexible configurations.
Innovation Solution
A modular laboratory sample distribution system comprising a central controller and multiple transport modules with controllable drivers and control units connected via a network interface, utilizing a daisy chain topology for address assignment and communication, allowing for flexible and scalable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional laboratory sample distribution system is used, then the system structure is simple, but the system lacks scalability and modularity
Solution Approach 1:
The system is divided into multiple independent transport modules, each capable of autonomous operation. Each module contains its own driver, control unit, and transport surface, allowing the system to be scaled by adding or removing modules without redesigning the entire system. This segmentation directly enables the scalability and modularity described in the patent.
Solution Approach 2:
The system employs dynamic addressing through a daisy-chain topology where control units can be selectively activated or deactivated. The addressing terminals can be configured as input or output based on operational needs, allowing flexible system reconfiguration. This dynamic capability enables the system to adapt to varying laboratory requirements while maintaining a relatively simple base structure.
2Quantity of substance
If more sample container carriers are managed, then the system capacity increases, but the control complexity increases
Solution Approach 1:
By dividing the control system into distributed control units within each transport module, the patent enables management of numerous sample container carriers without centralizing control complexity. Each control unit independently manages its local module, and the daisy-chain network coordinates them collectively, allowing scalable expansion of carrier capacity while maintaining manageable control architecture.
Solution Approach 2:
The daisy-chain network topology acts as an intermediary between the central controller and individual transport modules. This intermediate communication layer simplifies control by providing structured addressing and signal routing, enabling the system to handle increased numbers of carriers without proportionally increasing control complexity at any single point.
3Adaptability or versatility
If a modular design is implemented, then the system flexibility improves, but the device complexity increases
Solution Approach 1:
The modular design segments the system into standardized transport modules that can be independently configured and assembled. This segmentation provides flexibility by allowing custom system configurations based on specific laboratory needs, while the standardized interface design prevents complexity from escalating through consistent connection and communication protocols across all modules.
Solution Approach 2:
Each transport module is designed with universal functionality, containing a driver, control unit, and addressing terminals that can perform multiple roles depending on system configuration. This multi-functionality increases flexibility by allowing the same module design to serve different purposes in various system arrangements, while reducing overall complexity by avoiding the need for specialized components for each function.
Data Source
AI summary
A laboratory sample distribution system comprising sample container carriers, a central controller having a network interface, and transport modules is presented. Each transport module comprises a transport surface, wherein the transport surfaces form a transport plane, a controllable driver arranged below the transport surface and configured to move sample container carriers on the transport surface, and a control unit for controlling the driver. The control unit comprises a network interface. The central controller and the control units of the transport modules are connected by their corresponding network interfaces. Each control unit comprises first and second addressing terminals. The addressing terminals are connected sequentially in a daisy chain topology. The first addressing terminal is the first control unit in the sequence and is connected to a first reference potential and the second addressing terminal is the last control unit in the sequence and is connected to a second reference potential.