Coffee machine and a coffee liquid extraction method
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Solution Overview
Problem
Existing coffee machines require separate grinders and brewers, leading to inconvenience, space occupancy issues, and inability to control the optimal coffee powder to water ratio, affecting taste.
Innovation Solution
A coffee machine that integrates coffee bean grinding and liquid extraction functions, featuring a coffee machine host with a worktable, filter basket assembly, group head, tamping mechanism, coffee powder feeding mechanism, and a water supply device with a piston pump unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If separate coffee bean grinder and coffee powder brewer are used, then each device can be optimized for its specific function, but it occupies more space and requires users to prepare two machines simultaneously
Solution Approach 1:
The patent combines the coffee bean grinding function and coffee powder brewing function into a single integrated coffee machine. The grinder is positioned above the brewing chamber, with ground coffee directly falling into the filter basket. This merging of functions eliminates the need for two separate devices, reducing space occupancy while maintaining the optimization of each function within the integrated system.
Solution Approach 2:
The coffee machine is designed to perform multiple functions: grinding coffee beans, collecting ground coffee, and brewing coffee all in one device. The brewing chamber serves as both the collection point for ground coffee and the extraction vessel for brewing, demonstrating multi-functionality that reduces the number of devices needed.
2Adaptability or versatility
If separate coffee bean grinder and coffee powder brewer are used, then each device can operate independently, but it causes significant inconvenience to users who need to adjust multiple parameters
Solution Approach 1:
By merging the grinder and brewer into one integrated system, the patent reduces the number of independent devices from two to one. This consolidation simplifies the user experience by eliminating the need to separately adjust parameters on two different machines, while the integrated control system maintains the ability to independently optimize grinding and brewing parameters.
3Adaptability or versatility
If separate coffee bean grinder and coffee powder brewer are used, then users have flexibility in choosing different devices, but they cannot control the optimal ratio of coffee powder to water
Solution Approach 1:
The integrated design allows the system to directly measure and control the amount of ground coffee produced by the grinder and match it with the corresponding water volume for brewing. This direct connection enables precise control of the coffee-to-water ratio, as the system can ensure that the brewing parameters are optimized based on the actual amount of coffee grounds fed into the brewer.
Solution Approach 2:
The system incorporates feedback mechanisms to monitor and control the coffee powder to water ratio. By measuring the amount of ground coffee and adjusting the water volume and brewing parameters accordingly, the system maintains optimal extraction ratios, ensuring consistent coffee quality.
4Ease of manufacture
If users prepare both coffee bean grinder and coffee powder brewer, then they can have specialized equipment for each function, but it leads to waiting time while both machines are being prepared
Solution Approach 1:
The grinder is positioned directly above the brewing chamber, allowing ground coffee to be immediately collected and brewed without intermediate handling or waiting. This preliminary positioning of the grinding function directly over the brewing function eliminates transfer time and enables continuous operation, reducing overall preparation time.
Solution Approach 2:
By combining the grinder and brewer into a single continuous system, the patent eliminates the waiting time associated with preparing and transferring coffee between separate devices. The integrated design allows ground coffee to flow directly into the brewing chamber for immediate extraction, creating a continuous workflow that reduces total preparation time.
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 integrated coffee machine provides freshly ground coffee, reduces user waiting time, ensures optimal coffee quality by precise temperature control and water distribution, and conserves resources through precise coffee powder measurement.
Implementation Method 1
a piston pump unit, which is connected to the water supply pipeline; the piston pump unit includes two pistons that alternately drive hot water in the water supply pipeline into the group head
Implementation Method 2
the water supply device includes a heating block and a water supply pipeline; the water supply pipeline passes through the heating block in an S-shape; multiple heating rods are arranged on the heating block
Implementation Method 3
a tamping mechanism, arranged on the side of the group head; the tamping mechanism is used to compress the coffee powder within the filter basket
Implementation Method 4
the group head is used to extract the coffee powder in the filter basket that has moved directly below the group head
Data Source
AI summary
The present invention discloses a coffee machine and a coffee liquid extraction method, wherein the coffee machine comprises: a coffee machine host with a worktable; a filter basket assembly configured to perform reciprocating motion on the worktable and including a filter basket for holding coffee powder; a group head disposed above the filter basket assembly; a tamping mechanism adjacent to the group head for compressing coffee powder within the filter basket; a coffee powder feeding mechanism for delivering coffee powder into the filter basket; a coffee bean grinding mechanism for grinding beans into grounds and supplying them to the feeding mechanism; a water supply device connected to the group head, which includes a piston pump unit with two pistons that alternately drive hot water through a pipeline into the group head; the group head extracts coffee from the grounds in the filter basket directly below it.