Intelligent inventory storage system
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Solution Overview
Problem
Electronic manufacturers face challenges in efficiently storing and retrieving thousands of parts and packages, requiring significant labor and space, and often suffer from inventory accuracy issues.
Innovation Solution
An intelligent inventory storage system equipped with sensors, LED indicator lights, and Locator software, allowing for automatic reporting of part positions via Wi-Fi, and featuring a mobile, ESD-compliant cart with pivotable light pipes and dual-color LEDs to indicate reel status and location, enabling accurate tracking and retrieval of SMT reels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional storage methods are used, then space and labor requirements are high, but inventory accuracy and throughput capacity are limited
Solution Approach 1:
The storage system is divided into multiple modular carts, each with individual slots for SMT reels. Each cart can be independently managed and tracked, allowing the system to scale horizontally by adding more carts rather than expanding vertical space. This segmentation enables high throughput capacity while maintaining a compact footprint.
Solution Approach 2:
The cart system serves multiple functions: storage, tracking, retrieval, and inventory management. The same cart structure accommodates different types of SMT reels and packages, and the system integrates RFID tracking, LED indicators, and software management into a single multi-functional platform, replacing multiple separate systems.
2Measurement precision
If manual inventory tracking is used, then labor intensity is high, but accuracy is compromised
Solution Approach 1:
The system performs automatic inventory tracking through RFID tags on each SMT reel and cart. The RFID readers continuously monitor reel locations and status without human intervention. The system self-updates inventory records, generates alerts for low stock, and tracks reel movement automatically, eliminating manual counting and data entry while ensuring high accuracy.
Solution Approach 2:
The system provides real-time feedback through LED indicators on each slot showing reel status (present, absent, incorrect). The software interface continuously updates inventory levels and provides immediate notification when reels need to be replaced or when inventory discrepancies are detected, enabling rapid correction and maintaining high accuracy.
3Extent of automation
If robotic towers are used, then automation level is high, but space footprint is large
Solution Approach 1:
The system uses mobile carts that can be dynamically moved and repositioned rather than fixed robotic towers. The carts are equipped with wheels and can be easily relocated to different workstations or storage areas. This dynamic approach provides automation capabilities while significantly reducing the permanent footprint compared to stationary robotic systems.
Solution Approach 2:
The system replaces complex mechanical robotic arms and towers with simpler RFID-based tracking and LED indicator systems. The automation is achieved through electronic identification and tracking rather than mechanical manipulation, allowing for more compact and flexible deployment while maintaining high automation levels.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system reduces labor and space requirements while increasing inventory accuracy, offering five times the throughput capacity of traditional robotic towers and allowing for precise tracking and correction of inventory discrepancies.
Implementation Method 1
Each slot is provided with a light pipe that includes a cradle structure for holding an SMT reel
Implementation Method 2
the light pipe is pivotable about a pivot axis to allow movement of the light pipe and cradle structure between a stowed position and a release position
Data Source
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AI summary
An apparatus for storing and retrieving electronic components such as, but not limited to: capacitors; resistors; and integrated circuits. Components are stored based on single package single location in lockable racks in a transportable cart. Information for each stored component, such as its part number, location, and quantity is stored in the local electronic board and is shared via Wi-Fi to a network of PCs.