Modular Switching Node Adaptability via Swappable Functional Modules
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Solution Overview
Problem
Existing switching network nodes are inflexible and cannot be easily adapted to new applications or communication protocols, as their underlying properties remain unchanged even when port modules are modified.
Innovation Solution
A modular switching network node with a base unit and interchangeable port and functional modules, allowing for the swapping of port modules with functional modules to expand functionality without physical enlargement, enabling adaptation to new requirements and protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If port modules are changed to modify communication interfaces, then the number and type of communication interfaces can be changed, but the underlying properties of the switch remain unchanged and it cannot be flexibly adapted to new applications or communication protocols
Solution Approach 1:
The switching network node is divided into a base unit and interchangeable modules (port modules and functional modules). This segmentation allows the functional capabilities to be separated from the physical chassis, enabling flexible reconfiguration by swapping modules rather than redesigning the entire device. The base unit provides common infrastructure while modules provide specific functions, resolving the contradiction between adaptability and complexity.
Solution Approach 2:
The base unit is designed with universal module receiving regions that can accommodate different types of modules (port modules with various connection interfaces, functional modules with different functionalities). This universality allows a single base unit to support multiple applications and protocols through module interchangeability, achieving high adaptability without increasing the base unit's constructional complexity.
2Adaptability or versatility
If functional modules are added to expand functionality, then the switching network node can be adapted to new requirements, but this may entail constructional enlargement
Solution Approach 1:
Functional modules are designed to be inserted into existing module receiving regions within the base unit, similar to nested dolls. This nesting approach allows functionality expansion without requiring external addition or physical enlargement of the base unit. The modules utilize the existing structural space, enabling functionality expansion while maintaining compact form factor.
3Adaptability or versatility
If empty spaces are planned in the switching network node from the start to enable potential expansion, then future functionality can be expanded, but the initial device size and complexity increase
Solution Approach 1:
The base unit is pre-configured with module receiving regions during manufacturing, preparing the infrastructure for future module insertion. This preliminary action enables easy functionality expansion later without requiring structural modifications, while the regions remain dormant until needed. This approach provides future expansion capability without adding unnecessary complexity to the initial deployment.
Data Source
AI summary
A modular switching network node for a communications network, i.e., an industrial communications network, where the modular switching network node comprises a switching network node base unit and at least one port module, the at least one port module comprises at least one connection interface for coupling to the communications network, and where the modular switching network node is configured to forward communication data over one of the connection interfaces of the modular switching network node to at least one additional connection interface of the modular switching network node. The switching network node base unit is configured such that at least one of the port modules is swappable for a functional module to expand the functionality of the switching network node.