Refrigerator having dispenser
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Solution Overview
Problem
Existing refrigerators lack a convenient and user-friendly mechanism for controlling the dispensing of ice and water, particularly in terms of speed and start time, which can lead to inefficiencies and user inconvenience.
Innovation Solution
A refrigerator with a dispensing button unit that allows users to control the start time and speed of ice or water dispensing through positional movement, utilizing a lever system with switches to generate dispensing signals and adjust flow rates, and a guide unit that facilitates the passage of ice or water from the cooling chamber to the exterior without opening the door.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a dispenser is added to the refrigerator door to enable ice and water dispensing, then user convenience is improved, but the device complexity increases
Solution Approach 1:
The dispensing control is segmented into two distinct positions: a first position for controlling dispensing speed and a second position for controlling dispensing start time. This segmentation allows independent optimization of each control function, simplifying the overall control mechanism while providing comprehensive dispensing options.
Solution Approach 2:
The dispensing button unit is designed to be movable between different positions, enabling dynamic control of dispensing parameters. The button can be moved to a first position to control dispensing speed or to a second position to control dispensing start time, providing adaptability without increasing structural complexity.
2Measurement precision
If a movable dispensing button unit is implemented to control dispensing parameters, then dispensing precision is improved, but the device complexity increases
Solution Approach 1:
The movable dispensing button unit serves multiple functions: it controls both dispensing speed (when positioned at the first position) and dispensing start time (when positioned at the second position). This multi-functionality reduces the need for separate control mechanisms, thereby improving precision without proportionally increasing complexity.
Solution Approach 2:
The dispensing button unit automatically generates different dispensing control signals based on its position. When moved to the first position, it generates a first dispensing control signal for speed control; when moved to the second position, it generates a second dispensing control signal for start time control, eliminating the need for additional complex control circuitry.
3Ease of operation
If the guide unit is designed to facilitate ice and water passage without opening the door, then user convenience is improved, but the volume of the cooling chamber is reduced
Solution Approach 1:
The guide unit is designed to extend outward from the refrigerator door in a direction perpendicular to the door surface, utilizing the external space dimension. This allows ice and water to be dispensed outside the cooling chamber without occupying valuable internal storage volume, maintaining chamber volume while improving accessibility.
Solution Approach 2:
The guide unit acts as an intermediary structure that bridges the interior cooling chamber and the exterior environment. It provides a passage for ice and water to travel from the cooling chamber through the door to the exterior, enabling dispensing without opening the door while minimizing impact on internal volume.
Data Source
AI summary
A refrigerator includes a cooling chamber, a door that is configured to open and close at least a portion of the cooling chamber, and a dispenser positioned on the door and configured to dispense ice pieces or water through the door when the door is oriented in a closed position. The refrigerator also includes a dispensing button unit configured to control a dispensing start time and a dispensing speed of the ice pieces or water dispensed through the dispenser based on a position of at least a portion of the dispensing button unit that results from movement of the portion of the dispensing button unit.