Dual-Chamber Coffee Machine Audible Brewing Completion Control
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Solution Overview
Problem
Coffee machines lack a comprehensive solution for providing audible notifications across multiple brewing programs, failing to conveniently inform users when brewing processes are complete.
Innovation Solution
A coffee machine design featuring a controller with a processor, memory module, and speaker, which receives signals from level sensors and thermostat switches to play notification sound files after specific brewing times, ensuring users are alerted via human voice when brewing is finished, while also preventing liquid overflow through light sensors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a coffee machine provides audible notifications for brewing completion, then user convenience is improved, but device complexity increases due to additional components like speakers and control circuits
Solution Approach 1:
The speaker component is designed to serve multiple functions: it not only provides audible notifications for brewing completion but also plays music and announces coffee types. This multi-functionality approach allows the single component to address various user information needs without proportionally increasing device complexity.
Solution Approach 2:
A microcontroller unit acts as an intermediary between the brewing system sensors and the speaker. The microcontroller receives signals from temperature sensors and brewing completion detectors, processes this information, and triggers appropriate audible notifications. This intermediary simplifies the control architecture by centralizing the decision-making logic.
2Adaptability or versatility
If multiple brewing programs are added to the coffee machine, then adaptability is improved, but device complexity increases due to additional control mechanisms
Solution Approach 1:
A single microcontroller unit is designed to manage multiple brewing programs (espresso, cappuccino, latte, Americano) through software configuration rather than requiring separate hardware control circuits for each program. This universal control approach enables versatile brewing options without proportionally increasing hardware complexity.
Solution Approach 2:
Different brewing programs are implemented by changing control parameters such as water temperature, brewing time, and water flow rate within the same hardware system. The microcontroller adjusts these parameters based on the selected program, allowing multiple brewing modes without adding complex mechanical components for each program.
3Loss of information
If audible notifications are provided for multiple brewing programs, then information delivery is improved, but energy consumption increases
Solution Approach 1:
The speaker is activated periodically only when brewing completion is detected rather than operating continuously. The microcontroller monitors brewing status and triggers the speaker briefly at the moment of completion, significantly reducing energy consumption compared to continuous operation while ensuring timely information delivery to the user.
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
The solution enables convenient user notification across various brewing programs, including filter coffee, Turkish coffee, tea, and milk heating, ensuring timely alerts and preventing overflow, thereby enhancing user experience and operational efficiency.
Implementation Method 1
a speaker associated with a signal transmission from the first brewing chamber and the second brewing chamber, wherein the controller is configured to receive a notification signal... and then to play a brewing completed notification sound file stored in the memory module of the controller through the speaker
Implementation Method 2
a level sensor configured to detect a threshold of the liquid level in a brewing mode of the second brewing compartment
Implementation Method 3
a thermostat switch configured to transmit mains power to the first heating plate when a brewing mode is on and to disconnect mains power from the first heating plate when the brewing mode is off
Data Source
AI summary
The present invention is related to a coffee machine comprising a first brewing chamber (9) and a second brewing chamber (10) located in a housing (8), a control panel (15) for selecting the brewing mode (16), one or more brewing buttons (26) (28) (30) (32) (34) located thereon, and a controller (18) having a processor (36), a memory module (40) and a speaker (42) associated with a signal transmission from the first brewing chamber (9) and the second brewing chamber (10); being the controller (18) configured to receive a notification signal by tripping the thermostat switch (24) set to transmit a signal from the first brewing chamber (9), and to wait for 5 minutes and then to play a brewing completed notification sound file (44) stored in a memory module (40) of the controller (18) through a speaker (42); and being the controller (18) also configured to play a brewing completed notification sound file (44) stored in the memory module (40) of the controller through the speaker (42) with a notification signal from the level sensor (20) set to transmit a signal from the second brewing chamber (10) to the controller (18).