Smart Cord Reel Predictive Maintenance via Sensor Feedback
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Solution Overview
Problem
Current systems lack the ability to record and analyze usage events of cord or cord reel assemblies, making it difficult to predict the need for replacement or repair, and provide maintenance and design improvement insights.
Innovation Solution
A smart cord reel system equipped with sensors for measuring rotation, voltage, resistance, or amperage, and a memory to store usage data, accessible by a processor for analyzing and providing status signals for maintenance and design improvements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional cord reel assemblies are used without monitoring systems, then the device complexity is low, but the ability to predict failure and schedule maintenance is insufficient
Solution Approach 1:
The patent implements feedback mechanisms through sensors that continuously monitor cord reel usage parameters (rotation count, extension frequency, amperage) and transmit this data back to a processing system. This feedback loop enables predictive maintenance by analyzing usage patterns and predicting when the cord reel will reach its operational limit, allowing maintenance to be scheduled before failure occurs.
Solution Approach 2:
The patent introduces intermediary components including sensors, memory devices, and processing systems that mediate between the cord reel's mechanical operation and the maintenance decision-making process. These intermediaries collect, store, and analyze usage data, translating mechanical wear into quantifiable metrics that predict remaining operational life.
2Loss of time
If usage data is collected and stored for analysis, then maintenance scheduling improves, but the device complexity increases due to additional sensors and memory components
Solution Approach 1:
The patent applies preliminary action by continuously collecting and storing usage data during normal operation, so that when maintenance is needed, the information is already available for immediate analysis. This prevents downtime by ensuring maintenance can be scheduled proactively based on accumulated usage metrics rather than waiting for failure symptoms to manifest.
Solution Approach 2:
The cord reel assembly performs self-monitoring through integrated sensors that automatically track its own usage parameters. The system serves itself by generating maintenance alerts based on its own operational data, eliminating the need for external monitoring equipment or manual tracking, thereby reducing overall system complexity.
3Measurement precision
If multiple sensors and memory devices are integrated into the cord reel assembly, then usage tracking precision improves, but the manufacturing complexity and cost increase
Solution Approach 1:
The patent implements multi-functionality by designing sensors and processing units that serve multiple purposes: monitoring rotation count, tracking extension frequency, measuring amperage, and detecting operational anomalies. This universal approach allows a single integrated system to perform multiple measurement functions, reducing the need for separate specialized components and simplifying manufacturing.
Solution Approach 2:
The patent merges multiple monitoring functions into a single integrated circuit or microcontroller unit that can process various sensor inputs (rotation, extension, electrical parameters) simultaneously. This consolidation reduces the number of discrete components needed, simplifies assembly, and lowers manufacturing complexity while maintaining comprehensive usage tracking precision.
Data Source
AI summary
A smart cord reel cable including at least one sensor for measuring cord or cord reel usage, a memory for receiving sensor input to create usage records, and a processor for analyzing the usage records to provide information for maintenance status indication and/or usage analytics.