Injection Molding Network Relay Routing for Data Loss Prevention
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Solution Overview
Problem
In injection molding systems, communication failures between machines and management devices can lead to temporary data accumulation, risking loss of operational information due to limited memory capacity, especially during prolonged failures, which hampers reliable data acquisition by management devices.
Innovation Solution
Implementing a network configuration where injection molding machines can transmit operational information to management devices through alternative routes, using other machines as relays to bypass failed communication links, ensuring continuous data transmission and reducing memory overload.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data is temporarily accumulated in internal memory during communication failure, then data can be stored for later transmission, but the limited memory capacity causes data loss during prolonged failures
Solution Approach 1:
The patent introduces another injection molding machine as an intermediary relay node. When the management device is unreachable, data is transmitted to a neighboring machine instead of being stored in limited internal memory. This intermediary machine forwards the data when communication is restored, effectively extending the system's data transmission capability beyond the constraints of individual machine memory capacity.
2Reliability
If data is accumulated in internal memory during communication failure, then transmission can resume when communication is restored, but restoration time delays complete data acquisition
Solution Approach 1:
The patent enables continuous data transmission by establishing alternative transmission paths through neighboring machines. Instead of pausing data collection during communication failures and resuming later (which causes time loss), the system maintains continuous operation by routing data through available machines, ensuring no data is lost and no time is wasted waiting for restoration.
3Device complexity
If a single network route is used for data transmission, then the network structure is simple, but communication failure on this route prevents data transmission
Solution Approach 1:
The patent implements dynamic route selection capability where the network can adaptively change transmission paths based on communication status. When the direct route to the management device fails, the system dynamically switches to alternative routes through neighboring machines. This dynamic adaptability provides redundancy without requiring complex pre-configured multiple permanent paths, balancing simplicity and reliability.
Data Source
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AI summary
The injection molding system includes a management device (100) and a plurality of injection molding machines (1) that constitute a network (NW1) along with the management device (100). In the injection molding system, each of the plurality of injection molding machines (1) transmits predetermined information in operation to the management device (100) through the network (NW1). Predetermined information of an injection molding machine (1A) is transmitted to the management device (100) by way of an injection molding machine (1B) among the plurality of injection molding machines (1) along a route different from a route of the injection molding machine (1A) corresponding to the network (NW1).