Refrigerator Hot Water Dispenser Tap Positioning to Prevent Splashing
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Solution Overview
Problem
Conventional refrigerators lack a safe and efficient mechanism for dispensing hot water without the risk of splashing or burns, as the existing systems do not effectively prevent hot water from being splashed outside the vessel during dispensing.
Innovation Solution
A rotating lever mechanism coupled with a safety tap that can be withdrawn to expose the water outlet closer to the vessel, preventing splashing and allowing safe dispensing of hot water, along with a control system that automatically positions the safety tap for safe operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the water outlet is positioned at a fixed location in the dispenser, then the dispenser structure is simple, but hot water may splash outside the vessel during dispensing causing safety hazards
Solution Approach 1:
The patent applies the dynamics principle by making the safety tap movable rather than fixed. The safety tap can be automatically retracted into the dispenser housing or extended outward based on operational needs. This dynamic positioning allows the water outlet to adapt its location - positioned closer to the vessel when extended to prevent splashing, and retracted when not in use to maintain a simple overall structure. The motorized actuator enables this dynamic adjustment, resolving the contradiction between structural simplicity and operational safety.
Solution Approach 2:
The safety tap serves as an intermediary component between the water supply system and the user. It acts as a controllable interface that can adjust the water outlet position to ensure safe dispensing. The tap body with its movable structure mediates the water flow, allowing controlled delivery of hot water directly into the vessel while preventing splashing. This intermediary mechanism enables safe operation without requiring complete redesign of the entire dispenser system.
2Reliability
If the water outlet is positioned closer to the vessel, then splashing is prevented, but the dispenser structure becomes more complex
Solution Approach 1:
The safety tap employs dynamic positioning capability where the tap body can move between retracted and extended positions. When hot water dispensing is required, the tap extends to position the water outlet closer to the vessel, ensuring reliable prevention of splashing. When not in use, it retracts to minimize structural complexity. This dynamic adjustment allows the system to achieve high reliability only when needed, while maintaining simpler overall structure during normal operation.
Solution Approach 2:
The system applies preliminary action by automatically retracting the safety tap into the dispenser housing when hot water dispensing is not required. This preliminary positioning prepares the system for safe operation by ensuring the water outlet is in the optimal position before hot water flow begins. The control system anticipates the need for safe dispensing and pre-positions the tap accordingly, enhancing reliability without requiring complex manual adjustment mechanisms.
3Object-affected harmful factors
If a safety tap mechanism is added to prevent splashing, then user safety is improved, but the device complexity increases
Solution Approach 1:
The safety tap functions as a specialized intermediary component designed specifically to eliminate the harmful effect of hot water splashing. It introduces a controlled interface between the water supply and the dispensing point, ensuring that hot water flows directly into the vessel without splashing. The tap body with its movable structure and integrated outlet serves as this protective intermediary, addressing the safety concern without requiring complete system redesign.
Solution Approach 2:
The patent extracts the safety function from the overall dispenser system by implementing a separate, dedicated safety tap mechanism. Rather than redesigning the entire dispenser, the safety tap is introduced as a distinct component that can be independently controlled and positioned. This extracted safety mechanism specifically addresses the splashing hazard while leaving the rest of the dispenser structure relatively simple and unchanged.
4Ease of operation
If the safety tap is automatically controlled, then operation convenience is improved, but the control system complexity increases
Solution Approach 1:
The safety tap system applies self-service by automatically positioning itself based on operational requirements. When hot water dispensing is initiated, the control system automatically extends the safety tap to the correct position without requiring manual intervention. When dispensing is complete or for cold water operation, the tap automatically retracts. This automated self-positioning eliminates the need for users to manually adjust the tap, improving ease of operation while keeping the control logic relatively simple and direct.
Solution Approach 2:
The control system employs feedback mechanisms to automatically control the safety tap positioning. Sensors detect when hot water dispensing is required and provide feedback to the control unit, which then actuates the motor to extend or retract the safety tap accordingly. This feedback loop ensures the tap is in the correct position for safe operation without requiring complex manual control, achieving automatic positioning through relatively simple sensor-control-actuator feedback circuitry.
Data Source
AI summary
Provided is a refrigerator and a control method thereof. In the refrigerator and control method thereof, when hot water is dispensed from a dispenser, a safety tap is withdrawn to prevent splashing of water and enable hot water to be safely dispensed.