ATM Cash Drawer Ink Marking Layout for Explosion Resistance
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Solution Overview
Problem
Existing ATM and Bancomat drawers lack sufficient space for marking devices due to the integration of burglary detection, automatic banknote transport, and other electronic components, and are vulnerable to explosion-induced failures in marking systems.
Innovation Solution
A drawer design that integrates a compact marking device beneath the base support, utilizing a tubular conduit and pressurized fluid system to ensure marking of banknotes even in explosions, with a sacrificial diaphragm to manage pressure surges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the marking device is placed inside the drawer, then the marking function is ensured, but the drawer loses space for banknotes
Solution Approach 1:
The marking device is repositioned from the traditional interior location to the exterior base support area, utilizing the vertical dimension beneath the drawer base rather than competing for horizontal space within the drawer body. This dimensional relocation allows the marking function to be maintained while preserving maximum storage volume for banknotes.
Solution Approach 2:
The marking device is extracted from the drawer interior and relocated to the external base support structure. This extraction removes the space-consuming marking system from the drawer's internal volume, allowing the drawer to be optimized for banknote storage while the marking function is preserved through the integrated base support mechanism.
2Device complexity
If the channelling system is used for ink distribution, then the marking process is simplified, but the system may break down during explosions
Solution Approach 1:
A sacrificial diaphragm is incorporated into the ink distribution system to serve as a protective buffer against explosion forces. This diaphragm is designed to fail safely under extreme pressure, preventing catastrophic system failure and ensuring that the marking function remains reliable even during explosive events.
Solution Approach 2:
The ink distribution system utilizes pressure parameter changes through the sacrificial diaphragm mechanism. Under normal conditions, the diaphragm maintains stable pressure for consistent ink flow. During explosions, the diaphragm's pressure-response characteristic allows it to absorb shock waves while maintaining system integrity, thereby preserving the marking function.
3Reliability
If the drawer includes burglary detection means and electronic components, then security is improved, but the drawer space is reduced
Solution Approach 1:
The marking device is relocated to the vertical space beneath the drawer base, utilizing the dimension perpendicular to the drawer interior. This allows security and marking systems to be integrated without reducing the horizontal storage volume available for banknotes, as the electronic components and marking mechanism occupy the base support area rather than the drawer interior.
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
Ensures reliable marking of banknotes and valuables during break-ins or explosions without increasing the drawer's footprint, maintaining space for other components and ensuring effective security measures.
Implementation Method 1
utilizing a tubular conduit and pressurized fluid system to ensure marking of banknotes
Implementation Method 2
ensures marking of banknotes and valuables during break-ins or explosions without increasing the drawer's footprint
Implementation Method 3
with a sacrificial diaphragm to manage pressure surges
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
It is provided drawer for ATM, Bancomat and the like, (1) for banknotes (100) and valuables, comprising: a base support (2) suitable to support the banknotes (100) along a support plane (2a) on a first side (2b), a marking device (3) comprising: a tank (30) including marking fluid, a distribution device (31), in fluid passage connection with the tank (30) and suitable for conveying the marking fluid from the tank (30) to the banknotes (100) for marking, transfer means (32) suitable for transferring, on command, the marking fluid from the tank (30) to the banknotes (100) via the distribution device (31), wherein the tank (30) is arranged, with respect to the base support (2), on a second side (2c), opposite the first side (2b), and wherein the distribution device (31) is suitable for transferring the marking fluid to the first side (2a) in the direction of the banknotes (100). -