Modular Outlet Head Design for Coffee Machine Cleaning and Exchange
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Solution Overview
Problem
Existing coffee machines either lack the exchangeability and simplicity of cleaning associated with portafilter machines or compromise on user experience and functionality, particularly in automatic coffee machines with fixed outlet heads.
Innovation Solution
A beverage maker with a modular outlet head design that can be securely coupled and decoupled using a mechanical interface, allowing for easy cleaning and exchange, featuring a sealing surface with connection openings and a preselection mechanism for beverage variants, and optionally using RFID tags for automatic identification and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an outlet head is fixedly arranged on the automatic coffee machine, then the beverage dispensing function is stable and reliable, but the cleaning and exchange of outlets becomes difficult and time-consuming
Solution Approach 1:
The beverage maker is divided into modular components: a fixed outlet device and interchangeable outlet heads. The outlet head can be removed and replaced independently from the outlet device, allowing easy cleaning and exchange while maintaining stable beverage dispensing when attached.
Solution Approach 2:
The outlet head is designed with dynamic coupling capabilities through the mechanical interface, allowing it to be securely attached for stable operation or easily removed for cleaning. The pressing mechanism enables the outlet head to be dynamically coupled or decoupled from the outlet device.
2Ease of operation
If a portafilter machine is used with manual operation, then the exchangeability and cleaning simplicity are improved, but the automation and user experience are compromised
Solution Approach 1:
The invention merges the advantages of automatic coffee machines with the benefits of portafilter machines. The modular outlet head design provides easy exchangeability and cleaning like portafilter machines, while the integrated mechanical interface and pressing mechanism maintain automatic operation capabilities.
Solution Approach 2:
The outlet device with mechanical interface serves multiple functions: it provides stable attachment for automatic dispensing, enables easy exchange of outlet heads for different beverage types, and allows simple removal for cleaning. The same mechanism supports both automated operation and manual intervention.
3Adaptability or versatility
If multiple outlets are grouped together to form a fixed outlet head, then the beverage component dispensing is integrated, but the complexity of cleaning and maintenance increases
Solution Approach 1:
Multiple outlets for different beverage components (coffee, milk, foam, flavorings) are integrated into a single removable outlet head. This allows all outlets to be cleaned together as one unit by simply removing the entire head from the outlet device, reducing maintenance complexity while maintaining versatility.
4Reliability
If the outlet head is designed with sealing surface and mechanical interface, then the coupling reliability is improved, but the manufacturing complexity increases
Solution Approach 1:
The sealing function is separated into a dedicated sealing surface on the outlet head that couples with a corresponding sealing surface on the outlet device. This focused sealing design at the interface simplifies manufacturing compared to sealing entire assemblies, while ensuring reliable fluid-tight coupling for beverage dispensing.
Data Source
AI summary
A beverage maker for dispensing coffee beverages includes a water heater, a brewing apparatus, which can be supplied with hot water from the water heater, and an outlet device, which is connected to the brewing apparatus via a hot-beverage line. The beverage maker also has at least one outlet head, which can be secured on the outlet device and is intended for dispensing one or more beverage components, which are guided to the outlet device via separate food lines. The outlet device has a mechanical interface in order for the outlet head to be coupled on in a sealing manner.