Beverage Machine Service Unit Tactile Insertion Feedback
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Solution Overview
Problem
Beverage preparation machines often experience improper insertion of service units, leading to inefficient waste collection and potential mess, especially in commercial machines that cannot afford expensive electronic sensors for detection.
Innovation Solution
A touch-sensory feedback mechanism is implemented to inform users of improper service unit insertion through varying manual force requirements and assistance, ensuring proper alignment and preventing waste leakage by using magnet-based or spring-based mechanisms and mechanical locking arrangements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If expensive electronic sensors are used to detect service unit insertion, then detection precision is improved, but device complexity and cost increase
Solution Approach 1:
The patent replaces expensive electronic sensors with a mechanical detection system consisting of a detection pin that physically engages with the service unit. When the service unit is properly inserted, the detection pin moves to a specific position to trigger a mechanical switch or sensor, providing reliable detection without complex electronics.
Solution Approach 2:
The service unit itself provides detection information through its structural design. The service unit has a specific geometry with engagement features that automatically interact with the detection mechanism during insertion, eliminating the need for separate detection systems.
2Ease of operation
If manual insertion of service unit is used, then ease of operation is improved, but reliability of proper insertion deteriorates
Solution Approach 1:
The patent implements tactile feedback through spring mechanisms that provide resistance during insertion. When the service unit is properly inserted, the spring compresses to a specific point, giving the user tactile confirmation of correct positioning. This feedback loop ensures reliable insertion while maintaining simple manual operation.
Solution Approach 2:
The service unit and its seat feature asymmetric geometric profiles with specific engagement surfaces and guide rails. This asymmetric design ensures that the service unit can only be inserted in the correct orientation, preventing improper insertion while maintaining ease of operation through natural alignment.
3Ease of operation
If service unit is not properly inserted, then ease of operation is maintained, but waste collection efficiency deteriorates
Solution Approach 1:
The patent incorporates preliminary anti-action through geometric constraints and guide features that prevent improper insertion before the beverage preparation process begins. The service unit's shape and the seat's receiving structure are designed to ensure proper alignment and insertion, preventing waste collection issues before they occur.
Solution Approach 2:
The detection mechanism performs preliminary verification of proper service unit insertion before allowing the beverage preparation cycle to start. The mechanical detection system checks positioning and provides feedback, ensuring that waste collection will be effective before the process begins.
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
This solution enhances ergonomic handling and prevents waste leakage by providing tactile feedback during insertion, ensuring the service unit is correctly positioned, thus maintaining machine cleanliness and functionality.
Implementation Method 1
using magnet-based or spring-based mechanisms
Implementation Method 2
using magnet-based or spring-based mechanisms
Implementation Method 3
waste liquid may be evacuated by gravity from the user-recipient support and/or the waste ingredient holding arrangement to the waste liquid collect arrangement
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A beverage preparation machine comprises: a) a seat (5); b) a service unit (20, 30) in the seat for storing waste material, the service unit being - insertable manually into the seat into a collection position for collecting waste material such as waste liquid and/or waste beverage ingredient, optionally contained in a pre-portioned ingredient capsule; and - removable, in particular manually, from the seat for emptying the waste material upon collection thereof in the service unit, c) a control means for controlling proper insertion of the service unit in the seat. The control means comprises a touch-sensory feed-back mechanism (40, 50) arranged to indicate to a user an improper insertion of the service unit in the seat.