Refrigerator Carbonated Ice Flow Control for Stable Ice Separation
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Solution Overview
Problem
Conventional refrigerators face issues with unstable ice separation and ice catching during the production of carbonated ice, which affects the reliability and efficiency of carbonated ice supply.
Innovation Solution
A refrigerator design that includes a mixing tank for mixing general water with carbon dioxide to create carbonated water, an ice-making machine for producing carbonated ice, and a dispenser for external access, along with specific flow paths and valves to manage water and carbon dioxide flow, ensuring stable and efficient carbonated ice production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If carbonated water is supplied to the ice-making machine to produce carbonated ice, then the functionality and versatility of the refrigerator is improved, but unstable ice separation and ice catching problems occur
Solution Approach 1:
The water supply system is segmented into separate flow paths: one for general water and one for carbonated water. Valves are used to control which water type is supplied to the ice-making machine, allowing reliable switching between general ice and carbonated ice production without mixing the two water streams
Solution Approach 2:
The system dynamically adjusts the water supply based on user selection. When carbonated ice is selected, the carbonated water supply valve opens and general water supply closes. When general ice is selected, the opposite occurs. This dynamic control ensures the correct water type is always supplied, preventing ice catching and separation problems
2Adaptability or versatility
If carbonated water is supplied to the ice-making machine, then carbonated ice production is enabled, but ice catching occurs during the ice-making process
Solution Approach 1:
The system performs preliminary action by pre-cooling the carbonated water before it enters the ice-making machine. The carbonated water is cooled in advance through a dedicated cooling path, ensuring it is at the appropriate temperature for ice formation. This preliminary cooling prevents thermal shock and ice catching during the ice-making process
Solution Approach 2:
A separate cooling path acts as an intermediary between the carbonated water storage and the ice-making machine. This intermediate cooling section allows the carbonated water to be properly temperature-adjusted before entering the ice-making machine, preventing direct thermal contact issues that cause ice catching
3Device complexity
If a single water supply path is used for both general water and carbonated water, then the device complexity is reduced, but water supply control reliability deteriorates
Solution Approach 1:
The water supply system is divided into separate flow paths: one dedicated path for general water and another for carbonated water. Each path has its own control valve, ensuring that only the selected water type can flow to the ice-making machine. This segmentation prevents mixing and ensures reliable control, with the added benefit that the paths can be independently optimized
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 reliable and high-concentration carbonated ice production with improved ice separation, enhancing the reliability of carbonated ice supply and user access without opening the door.
Implementation Method 1
a mixing tank in which CO2 gas and general water are mixed with each other so that carbonated water can be made
Implementation Method 2
an ice-making machine that makes general ice by receiving general water from the external water supply source or the general water tank and makes carbonated ice by receiving carbonated water from the mixing tank
Data Source
AI summary
Provided is a refrigerator including: a main body; a storage compartment formed in the main body; a door that opens/closes the storage compartment; a general water tank in which general water supplied from an external water supply source is stored; a mixing tank in which general water supplied from the general water tank is mixed with carbon dioxide (CO2) so that carbonated water is made and stored; a dispenser that provides general water supplied from the general water tank to an outside and provides carbonated water supplied from the mixing tank to the outside of the refrigerator; and an ice-making machine that makes general ice by receiving general water from the external water supply source or the general water tank and makes carbonated ice by receiving carbonated water from the mixing tank, thereby providing general water, carbonated water, general ice, and carbonated ice through the dispenser.