Beverage Cartridge Delivery Head Layout for Clean Barcode Reading
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Solution Overview
Problem
The combination of an ejection mechanism and barcode reader in beverage preparation machines can lead to cleanliness issues and inconsistent operation due to the proximity of the open inlet and outlet of the cartridge to the barcode reader during ejection.
Innovation Solution
A delivery head design where the inlet, outlet, and barcode reader are aligned in a straight line, with the outlet intermediate the inlet and barcode reader, and a clamping member that moves the cartridge away from the barcode reader during ejection, preventing soiling of the reader.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the ejection mechanism and barcode reader are combined in the delivery head, then the machine structure is simplified and operation is more convenient, but the barcode reader window becomes contaminated by the open inlet and outlet of the cartridge during ejection, leading to inconsistent reader operation
Solution Approach 1:
The patent applies dimensional arrangement by positioning the inlet, outlet, and barcode reader window in a linear configuration along the longitudinal axis of the delivery head. This spatial arrangement ensures that during cartridge ejection, the open inlet and outlet remain aligned with the ejection path and do not pass over or contaminate the barcode reader window, thus maintaining reader reliability while preserving operational convenience
2Area of stationary object
If the inlet and outlet of the cartridge are positioned close to the barcode reader for compact design, then the delivery head size is reduced, but the open inlet and outlet can pass over or near the barcode reader during ejection, causing contamination
Solution Approach 1:
The patent resolves the spatial conflict by arranging the inlet, outlet, and barcode reader window in a linear configuration along the longitudinal axis. This one-dimensional alignment allows compact positioning of all components within a small area while ensuring that the ejection path of the inlet and outlet does not intersect with the barcode reader window, thereby preventing contamination
Solution Approach 2:
The patent employs asymmetric positioning where the barcode reader window is offset to one side of the longitudinal axis, while the inlet and outlet are positioned along the axis. This asymmetric arrangement ensures that during ejection, the symmetrically positioned inlet and outlet do not pass over the asymmetrically positioned barcode reader window, preventing contamination while maintaining compact dimensions
Data Source
AI summary
A delivery head for a beverage preparation machine comprising: an upwardly directed inlet for supplying water to a cartridge received in the delivery head; a downwardly directed outlet for outflow of beverage; a barcode reader having a barcode reader window through which signals may be transmitted; wherein the inlet, the outlet and the barcode reader window are arranged in a line with the outlet being intermediate the inlet and the barcode reader window.