A machine for dispensing a beverage comprising an interface with safety cover
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Solution Overview
Problem
Existing beverage dispensing machines lack a safe and foolproof user interface, particularly when handling capsules, which can lead to user exposure to liquid or gas projections and accidental operation of moving parts.
Innovation Solution
A beverage dispensing machine design featuring a capsule handling device with movable parts that are controlled by a user interface, where a cover mechanism ensures the interface is inoperable when the capsule handling device is accessible, preventing user exposure to projections and ensuring safe operation by only allowing access when the cover is closed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the user interface is always accessible, then ease of operation is improved, but user safety deteriorates due to exposure to liquid projections and accidental operation
Solution Approach 1:
The cover is positioned in the closed position as a preliminary safety measure before any user interaction with the capsule handling device. This preliminary action blocks the opening and prevents access to the user interface unless the cover is intentionally opened, thereby preventing exposure to liquid projections and accidental operation before they can occur.
Solution Approach 2:
The cover acts as an intermediary element between the user and the capsule handling device. It mediates access by requiring intentional opening to reach the user interface, thus introducing a safety barrier that prevents direct and potentially hazardous interaction with moving parts and liquid projection zones.
2Object-affected harmful factors
If a cover mechanism is added to block access, then user safety is improved, but device complexity increases
Solution Approach 1:
The cover serves multiple functions simultaneously: it acts as a safety barrier to prevent exposure to liquid projections, a protective shield against accidental operation of moving parts, and an access control mechanism for the user interface. By consolidating these safety and control functions into a single cover element, the design avoids adding separate complex safety systems while achieving comprehensive protection.
3Reliability
If the user interface is covered when not in use, then reliability is improved by preventing accidental operation, but ease of operation deteriorates due to additional access steps
Solution Approach 1:
The cover is designed to be dynamically movable between a closed position (providing safety and preventing accidental operation) and an open position (providing access to the user interface). This dynamic capability allows the system to adapt between safety mode and operation mode, ensuring that the cover does not permanently obstruct access but rather provides conditional protection that is easily overridden when legitimate user interaction is required.
Data Source
Figure 1~2
Figure 3a~3d
Figure 4~7
AI summary
A machine (1) for dispensing a beverage (84) from an ingredient capsule has: an external housing (10, 30, 30', 40, 50, 60) having an external front face (10); a beverage outlet (11) located on the external front face (10) and above a front area (20) for placing a user-receptacle (3,4) for collecting beverage (84) dispensed from the outlet (11); a capsule handling device (70) that is located in the housing (10, 30, 30', 40, 50, 60) and that is fluidically connected to the beverage outlet (11) and that has a first part (71) and a second part (72) that are relatively movable between a capsule transfer position and a position for extracting the capsule (2) between the first and second parts (71,72);an opening (51) in the external housing (10, 30, 30', 40, 50, 60), the opening (51) leading into a passage (52) for guiding the capsule (2) to the handling device (70);a cover (55) that is movable adjacent to the external housing (10, 30, 30', 40, 50, 60) between an open position away from the opening (51) for allowing insertion of the capsule into the passage (52) and a closed position over or across the opening (51) to prevent insertion of the capsule (2) into the passage (52); and a user-interface (90) which is operable by a user to extract the capsule (2) between the first and second parts (71,72)in their extraction position. The user-interface (90) is: covered by the cover (55)in the open position so that the user-interface is inoperable; and uncovered by the cover (55) in the closed position so that the user-interface is operable.