Coin Processing Device with Dual-Mode Tube Delivery
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Solution Overview
Problem
Coin processing devices in vending machines face challenges in increasing delivery speed without causing coin jams, making it difficult to achieve a significant increase in processing efficiency.
Innovation Solution
The device incorporates a two-coin delivering coin tube and one-coin delivering coin tubes, along with location information storage to optimize coin distribution and delivery, using a payout slide to manage coin delivery, and employs sensors to detect coin levels for efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the delivery operation speed is increased to reduce coin delivery time, then productivity is improved, but coin jams occur more frequently and reliability deteriorates
Solution Approach 1:
The patent divides the coin delivery function into two separate coin tubes: a first coin tube for delivering one coin at a time and a second coin tube for delivering two coins at a time. This segmentation allows the system to handle different delivery scenarios optimally, reducing jams by distributing coins more evenly while maintaining high productivity through selective use of the two-coin tube when appropriate.
2Reliability
If coins are delivered one by one using a single coin tube, then reliability is maintained, but productivity is reduced due to longer delivery time
Solution Approach 1:
The patent implements dynamic selection between the first coin tube (one-coin delivery) and the second coin tube (two-coin delivery) based on real-time conditions such as coin type, coin level, and delivery quantity required. This dynamic switching optimizes both reliability and productivity by choosing the appropriate delivery mode for each specific situation.
Solution Approach 2:
The system changes the delivery parameter (number of coins per delivery operation) by selecting between two different coin tubes with different delivery capacities. This parameter change allows the system to adapt to varying delivery requirements, improving overall productivity while maintaining reliability through appropriate tube selection.
3Productivity
If multiple coin tubes are used to increase delivery capacity, then productivity is improved, but device complexity increases
Solution Approach 1:
Both the first and second coin tubes can handle the same coin types and serve the same basic function of coin delivery. The second coin tube is designed to perform the functions of the first coin tube (delivering one or two coins) while the first coin tube delivers one coin. This multi-functionality reduces complexity by having redundant, interchangeable components rather than specialized tubes for each function.
Data Source
AI summary
A coin processing device includes a coin identification mechanism, a coin distribution mechanism, a plurality of coin tubes, and a coin delivery mechanism that delivers coins housed in the coin tubes by delivering operation of pulling out the coins using a payout slide. For a specific denomination, a two-coin delivering coin tube and one-coin delivering coin tubes are provided. Location information configured of variables indicating records of payment, distribution, and delivery is used to determine the coin tube when the coin distribution mechanism distributes coins of the specific denomination and to determine the coin tube when the coin delivery mechanism delivers the coins of the specific denomination. The coin processing device can increase speed in a process of delivering coins.