Power Information Management Device for Flexible Power Distribution
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Solution Overview
Problem
Existing power supply devices lack the ability to supply or receive electric power while reflecting user intention and considering the power status of other devices, resulting in inflexible power management.
Innovation Solution
A power information management device and system that communicates with other devices to request, receive, and generate power information, enabling flexible power supply and reception based on user intention and device power status, including residual power quantities, power consumption, and communication standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the power supply device supplies electric power only when supply becomes possible based on required power data, then the power supply reliability is improved, but the flexibility in power management deteriorates
Solution Approach 1:
The power management device continuously monitors power information from multiple devices and uses this feedback to dynamically adjust power supply decisions. The device receives power information including residual power quantities and power consumption rates from each device, then determines optimal power supply timing and amounts based on this real-time feedback, enabling both reliable and flexible power management.
Solution Approach 2:
The power management device performs preliminary assessment of power status for all devices before making power supply decisions. By advance evaluating residual power quantities, power consumption rates, and charging states of multiple devices, the system prepares optimal power distribution plans that ensure reliable power supply while maintaining flexibility to adapt to changing conditions.
2Reliability
If the power supply device monitors power state continuously until supply becomes possible, then the power supply reliability is improved, but the time efficiency deteriorates
Solution Approach 1:
Instead of continuous monitoring, the power management device periodically collects power information from connected devices at scheduled intervals. This periodic information gathering maintains reliable power supply decision-making while significantly reducing time consumption compared to continuous monitoring, as the device only needs to check power status at regular intervals rather than constantly.
3Adaptability or versatility
If the power supply device manages power for multiple devices individually, then the adaptability to each device is improved, but the system complexity deteriorates
Solution Approach 1:
The power management device combines power information from multiple devices into a unified management system. It receives and integrates power status data from several devices simultaneously, then manages power distribution for all devices through a single control unit. This merging approach maintains individual device adaptability while reducing overall system complexity by centralizing power management functions.
Data Source
AI summary
There is provided a power information management device communicable with at least one another device and being able to perform one of mutual power supply and unidirectional power supply, comprising: a requesting unit configured to send a request for information concerning electric power to the at least one another device; a receiving unit configured to receive the power information from the at least one another device which has received the request; and a generating unit configured to generate power information concerning electric power of a plurality of devices including the power information management device and the at least one another device based on the information received from the at least one another device.