Variable Speed Coin Transport Control for Transaction Efficiency

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Solution Overview

Problem

Existing coin handling devices operate at a fixed, relatively low speed to ensure authenticity checking, leading to inefficient performance and prolonged transaction times, as they must accommodate the most complex currency, even when authenticity verification is unnecessary.

Innovation Solution

A coin handling device with a control unit that adjusts the transport speed based on different operating modes, allowing for optimized speed selection depending on the situation, such as during scheduled or aborted transactions, and varying currency complexities, to ensure efficient and safe handling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the conveyor belt is driven at a fixed low speed to ensure reliable authenticity checking, then the authenticity verification reliability is improved, but the device performance and transaction speed deteriorate

Engineering Contradiction:
Improveauthenticity verification reliabilityVSAvoiddevice performance
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The conveyor belt speed is changed from a fixed value to a dynamically adjustable parameter. The control unit varies the transport speed based on different operating situations (normal operation vs. aborted transaction), allowing the system to adapt its performance characteristics to match the current operational context, thereby resolving the contradiction between reliability and productivity.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The transport speed parameter is modified according to different operational states. During normal operations, a lower speed is maintained for reliable authenticity checking, while during aborted transactions, the speed is increased to quickly clear coins from the input unit, thus optimizing both reliability and productivity under different conditions.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If the conveyor belt is driven at a fixed low speed to accommodate the most complex currency, then the detection reliability for complex currencies is improved, but the handling speed for simpler currencies deteriorates

Engineering Contradiction:
Improvedetection reliabilityVSAvoidhandling speed
Core Design Contradiction:
ReliabilityVSSpeed

Solution Approach 1:

The system dynamically adjusts the conveyor belt speed based on the complexity of the currency being processed. For complex currencies requiring thorough verification, the speed is reduced to ensure reliable detection. For simpler currencies, the speed is increased to improve handling efficiency, thus resolving the contradiction between detection reliability and handling speed.

Inventive Principle:
Principle #15Dynamics

3Reliability

If the conveyor belt is driven at a fixed low speed to ensure safe handling, then the safety of coin transport is improved, but the transaction processing time deteriorates

Engineering Contradiction:
Improvesafe handlingVSAvoidtransaction processing time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The transport speed is dynamically adjusted based on the operational context. During normal transactions, a lower speed ensures safe and reliable handling. During aborted transactions, the speed is increased to quickly clear the input unit, reducing the time loss associated with aborting transactions while maintaining safety during normal operations.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2897105B1Apparatus for handling coins and method of controlling such a device with variable transport belt speed
Publication Date: 2018.10.31 WINCOR NIXDORF INT GMBH
  • EP2897105B1 patent drawingFigure 1

AI summary

The invention relates to a device (10) for handling coins, comprising a transport unit (18) for transporting coins, a drive unit (32) for driving the transport unit (18), and a control unit (30). The transport unit (18) is driven at a first speed in a first operating mode and at a second speed in a second operating mode. The invention further relates to a corresponding method for controlling such a device (10) for handling coins.