Brewing device capable of manually adjusting temperature, and constant-temperature adjustment method
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Solution Overview
Problem
Existing coffee machines suffer from inadequate mixing of cold and hot water, leading to poor temperature regulation due to short heat exchange times and uneven mixing, affecting brewing quality.
Innovation Solution
A manually-adjustable temperature brewing device with a combined valve body assembly featuring a secondary high-pressure mixing chamber and tertiary opening and closing chamber, along with a solenoid valve, allows for precise control of water flow rates and thorough mixing of hot and cold water, ensuring stable temperature adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If cold water and hot water are injected into the brewing head through a pipeline to adjust temperature, then temperature regulation is achieved, but the heat exchange time is too short and mixing effect is poor
Solution Approach 1:
The brewing head is divided into separate functional chambers: a preheating chamber for initial water heating and a brewing chamber for the actual brewing process. This segmentation allows water to receive sufficient heat in the preheating chamber before entering the brewing chamber, solving the problem of insufficient heat exchange time while maintaining precise temperature control during brewing.
2Temperature
If cold water and hot water are mixed in a pipeline, then temperature adjustment is possible, but the mixing effect between cold and hot water is not good
Solution Approach 1:
A temperature control valve is introduced as an intermediary device between the hot and cold water supply lines and the brewing chamber. This valve precisely regulates the mixing ratio of hot and cold water, ensuring uniform temperature distribution and stable mixing effect before the water enters the brewing chamber, thereby achieving reliable temperature adjustment.
3Extent of automation
If a solenoid valve is used to control water flow, then automated control is improved, but the device complexity increases
Solution Approach 1:
The solenoid valve is integrated with the temperature control valve and the brewing head structure into a unified assembly. This merging of components automates the control of water flow and temperature regulation while avoiding the need for separate independent control systems, thereby reducing overall device complexity despite the addition of automated control functionality.
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 device achieves effective mixing and stable temperature control, enabling broader temperature adjustment ranges and efficient brewing by maintaining consistent liquid temperature during preheating and brewing, reducing waste and saving time.
Implementation Method 1
the brewing head is arranged with a solenoid valve, and the solenoid valve comprises a water inlet port and a water outlet port
Implementation Method 2
a secondary high-pressure mixing chamber and a tertiary opening and closing chamber are defined in the combined valve body assembly; the secondary high-pressure mixing chamber is arranged vertically, a side of the secondary high-pressure mixing chamber is arranged with a hot water port and a cold water port
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
A manually-adjustable temperature brewing device and a constant temperature adjustment method. The brewing device includes a brewing head; a side of the secondary high-pressure mixing chamber is arranged with a hot water port and a cold water port the brewing head is arranged with a solenoid valve, and the solenoid valve includes a water inlet port and a water outlet port; the tertiary opening and closing chamber includes an inlet chamber and an outlet chamber; the mixed water outlet is in communication with the inlet chamber, the inlet chamber is in communication with the water inlet port, and the outlet chamber is in communication with the water outlet port; a bottom of the outlet chamber is arranged with an outlet end, and the hot water port and the cold water port are each arranged with a flow regulating device.