Refrigerator Door Display Playback Control for Power and Convenience
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Solution Overview
Problem
Existing refrigerators with displays on doors interrupt video playback when the door is opened or closed, causing inconvenience to users.
Innovation Solution
A refrigerator system that includes a door sensor and a processor to detect door opening and closing, pause and play video content based on door status, and determine if the content is a real-time video or a stop target.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the display plays video content continuously, then user convenience is improved, but power consumption increases when the door is open
Solution Approach 1:
The system dynamically adjusts video playback behavior based on door state. When the door is closed, video plays continuously for user convenience. When the door opens, the system detects the state change and pauses the video, switching between different operational modes to balance user convenience and power consumption.
Solution Approach 2:
The door sensor provides feedback about the door state to the control system. This feedback mechanism allows the system to automatically adjust video playback based on whether the door is open or closed, enabling intelligent power management while maintaining user convenience when needed.
2Use of energy by moving object
If the video is paused when the door is opened, then power consumption is reduced, but user convenience deteriorates due to interruption
Solution Approach 1:
The system performs preliminary actions by pausing the video before the user would naturally need to stop watching when the door opens. This prevents interruption of the user experience while the door is open, and automatically resumes playback when the door closes, eliminating the need for user intervention.
Solution Approach 2:
The system maintains continuity of useful action by automatically resuming video playback when the door closes. This ensures that the video watching experience continues without interruption to the user, while still allowing power savings during door-open periods.
3Reliability
If real-time video is detected, then the display should continue playing, but this increases power consumption when door is open
Solution Approach 1:
The system applies different quality levels to different types of video content. For regular videos, it pauses when the door opens to save power. For real-time videos (live streaming, video calls), it maintains continuous playback to ensure reliability and timeliness, recognizing that these applications have different requirements.
Solution Approach 2:
The system changes the playback parameter (continuous vs. paused) based on the video type parameter. By detecting whether the video is real-time or recorded content, the system adjusts its behavior to match the appropriate playback mode, balancing power consumption with content requirements.
Data Source
AI summary
A refrigerator includes a main body including a storage compartment, at least one door coupled to the main body to open or close the storage compartment, a display configured to display content, the at least one door having the display, a door sensor configured to detect whether the at least one door is opened or closed, and a processor configured to determine whether the content being played on the display is a stop target in response to detecting that the at least one door is opened; pause the content being played in response to determining that the content being played is the stop target, and resume playing the paused content from a paused point in response to detecting that the at least one door closed.