Biomedical Data Relay Power Management via Periodic Reconnection
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Solution Overview
Problem
Biomedical data relay devices face power consumption issues when wireless communication is disconnected, leading to battery drain and potential loss of biometric information notification, necessitating a solution to conserve power while maintaining reconnection possibilities.
Innovation Solution
A biomedical data relay device with a controller that switches between power-on and power-off states based on communication availability, maintaining power-on state until a specified time period is reached, ensuring continuous biometric information output to external devices and reducing unnecessary power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the conversion adapter continuously attempts to reconnect after wireless disconnection, then the possibility of reconnection is maintained, but battery power is consumed excessively
Solution Approach 1:
The system implements periodic reconnection attempts with a predetermined time interval rather than continuous connection attempts. The controller switches to power-off state after a specified time period without communication, then periodically attempts to reconnect, reducing energy consumption while maintaining reconnection capability.
Solution Approach 2:
The system dynamically switches between power-on and power-off states based on communication status. When wireless communication is lost for the specified time period, the system transitions to power-off state to conserve energy, and can transition back to power-on state when reconnection is attempted or needed.
2Use of energy by moving object
If the conversion adapter switches to power-off state immediately after wireless disconnection, then power consumption is reduced, but biometric information cannot be output to external devices
Solution Approach 1:
The system performs preliminary action by continuing to output biometric information to external devices during the specified time period after wireless disconnection. This ensures information availability is maintained in advance before switching to power-off state, preventing information loss while enabling future power savings.
3Loss of information
If the conversion adapter maintains power-on state continuously, then biometric information can always be output, but unnecessary power consumption occurs when communication is lost
Solution Approach 1:
The system uses periodic action by maintaining power-on state for a specified time period after disconnection to continue information output, then switches to power-off state to conserve energy. This periodic switching pattern balances information availability with power conservation.
Solution Approach 2:
The system changes the operational state parameter (power-on/power-off) based on the duration of communication loss. The controller monitors the time period and switches states accordingly, optimizing the balance between information output and power consumption dynamically.
Data Source
AI summary
A biomedical data relay device includes a first communication unit, an output unit, and a first controller. The first communication unit is capable of receiving biometric information from a biomedical device through wireless communication. The output unit is capable of outputting biometric information to a display. The output unit outputs, in a case where the first communication unit loses wireless communication with the biomedical device, the received biometric information to the display. The first controller counts a first time period in which the first communication unit is in a state of being unable to communicate wirelessly with the biomedical device. The first controller maintains a power-on state in a case where wireless communication becomes available before the first time period reaches a first specified time period, which is predetermined.