Power Supply Lifespan Display with Switchable Metrics
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Solution Overview
Problem
Existing power-supply devices either display accumulated operation time or remaining lifespan time, but not both, limiting user insight into the device's operational lifespan and requiring replacement if switching is needed.
Innovation Solution
A power-supply device with a timing section to track operation time, a computing section to calculate and display both accumulated operation time and remaining lifespan time, and a display section to switch between these metrics based on user input or external communication signals, also calculating and displaying the remaining lifespan ratio.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the device displays only remaining lifespan time, then the user can understand how much time is left before replacement is needed, but the user cannot obtain information about the accumulated operation time
Solution Approach 1:
The display section is designed to perform multiple functions by displaying different lifespan information based on user selection. It can display accumulated operation time, remaining lifespan time, or both simultaneously, making the single display section universal for different information needs without requiring separate display devices
2Loss of information
If the device displays only accumulated operation time, then the user can track total usage, but the user cannot know the remaining lifespan time
Solution Approach 1:
The display section serves multiple purposes by being capable of showing different types of lifespan information. Through user input or automatic switching, it can display accumulated operation time for tracking total usage, remaining lifespan time for maintenance planning, or both together for comprehensive monitoring
3Device complexity
If the device provides only one type of lifespan display, then the device structure remains simple, but the user cannot switch between different lifespan information types without replacing the device
Solution Approach 1:
The display section incorporates dynamic switching capability that allows it to change its display content based on user needs. An input section detects user commands or automatic conditions, and the display dynamically switches between showing accumulated operation time, remaining lifespan time, or both, providing adaptability without requiring multiple fixed display systems
4Device complexity
If the device displays only accumulated operation time or remaining lifespan time separately, then the display section remains simple, but the user cannot understand the difference between operational time and remaining lifespan
Solution Approach 1:
The display section merges the display of accumulated operation time and remaining lifespan time into a single unified interface. Users can select to view both types of information together or separately, allowing comprehensive understanding of device lifespan status without requiring multiple separate display sections or devices
Data Source
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Figure 3(a)~3(b)
AI summary
Provided is a power-supply device (100) in which a difference between a time for which the device has been operated and an actual estimate of a remaining lifespan time can be understood. The power-supply device (100) includes a power-supply section (10), a timing circuit (21), a computing circuit (22), and a display circuit (23). The timing circuit (21) checks an operation time of the power-supply section (10). The computing circuit (22) accumulates the operation time checked by the timing circuit (21) to calculate an accumulated operation time, and computes a remaining lifespan time based on information from the power-supply section (10). The display circuit (23) enables display of the accumulated operation time and the remaining lifespan time as information about the lifespan of the power-supply section (10).