Coin Stay Detection in Dispensing Shoots
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Solution Overview
Problem
Coin processing apparatuses face instability and reduced efficiency in coin dispensing due to coin stays caused by customer misbehavior or child pranks, leading to disruptions in self-service or semi-self-service money changers, where the coin output shoot unit is particularly vulnerable.
Innovation Solution
A coin processing apparatus equipped with a coin output conveying unit, coin stay detecting sensors on the shoot face of the coin output shoot unit, and a reporting system that alerts users to coin stays via display and buzzer outputs, enabling detection and recovery from dispensing failures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the coin output shoot unit is exposed to the customer side for self-service operation, then the ease of operation is improved, but the reliability deteriorates due to coin stays caused by customer misbehavior or child pranks
Solution Approach 1:
The coin stay detecting sensor detects coins stuck on the shoot face before they block the dispensing path, allowing the system to take preliminary corrective action by stopping the conveying unit and notifying the user, preventing complete dispensing failure
Solution Approach 2:
The system continuously monitors the coin dispensing path using sensors and provides real-time feedback through the notification unit when coin stays are detected, enabling dynamic adjustment of the conveying unit and maintaining operational reliability during self-service use
2Reliability
If the coin output shoot unit is protected from customer interference, then the reliability is improved, but the ease of operation deteriorates
Solution Approach 1:
The system automatically detects coin stays through sensors and notifies users without requiring manual inspection or intervention, allowing the self-service operation to maintain both accessibility and reliability through automated monitoring and user notification
3Reliability
If coin stay detection is added to the coin output shoot unit, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The coin stay detecting sensor serves multiple functions: detecting coin stays, monitoring dispensing status, and triggering notifications, thereby improving reliability without proportionally increasing complexity by making one component serve multiple purposes
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 effectively detects and reports coin stays, allowing for prompt recovery of the coin dispensing function, maintaining stability and efficiency in coin dispensing operations.
Implementation Method 1
a coin stay detecting sensor configured to detect a coin stay on a shoot face of the coin output shoot unit
Data Source
AI summary
A coin processing apparatus configured to: cause a coin output conveying unit to collectively convey coins taken out for each denomination from a plurality of coin containers where the coins are housed in the respective coin containers for each denomination; and dispense the conveyed coins from a coin output port through a coin output shoot unit, the coin processing apparatus includes: a coin stay detecting sensor configured to detect a coin stay on a shoot face of the coin output shoot unit; a reporting unit configured to perform report output for abnormality; and a controller configured to cause the reporting unit to perform report output for coin stay abnormality in the coin output shoot unit when the coin stay detecting sensor detects the coin stay.