Power Usage Visualization on Dual-Axis Coordinate Plane
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Solution Overview
Problem
Users, including high-voltage power consumers in Japan, face difficulties in understanding their power usage status due to the complexity of rate determination systems, which involve both basic and metered power rates, leading to delayed awareness of current usage conditions.
Innovation Solution
A display apparatus and method that visualize power usage on a coordinate plane with two axes representing the basic and metered power rates, allowing users to select different periods and display historical power transitions, with color coding and target values to simplify the representation of power usage status.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a complex rate determination system is used to calculate power rates based on multiple parameters and periods, then the accuracy of power rate calculation is improved, but the ease of understanding for users deteriorates
Solution Approach 1:
The complex rate determination system is segmented into two independent coordinate axes: the basic rate coordinate (first axis) representing power usage in a first period, and the metered power rate coordinate (second axis) representing power usage in a second period. This segmentation allows users to understand each rate component separately while maintaining calculation accuracy.
Solution Approach 2:
The patent transforms the complex multi-parameter rate determination into a two-dimensional coordinate system visualization. By mapping basic rate and metered power rate onto perpendicular axes, the system provides intuitive spatial representation of power usage status without sacrificing calculation precision.
2Reliability
If detailed power usage data is collected and processed to determine accurate power rates, then the reliability of rate determination is improved, but the time required to obtain usage status information increases
Solution Approach 1:
The system pre-calculates and stores power usage data for different periods (first period for basic rate, second period for metered power rate) before rate determination is needed. This preliminary data collection and organization enables rapid rate calculation when required, maintaining reliability while reducing information acquisition time.
Solution Approach 2:
The patent creates a simplified visual copy of the complex rate determination results through coordinate plane visualization. Instead of requiring users to process raw detailed data, the system generates an intuitive coordinate representation that conveys the same information more quickly and accessible to users.
3Loss of information
If multiple parameters affecting power rates are monitored and displayed, then the completeness of power usage information is improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple power usage parameters into a unified two-dimensional coordinate system. The basic rate parameter and metered power rate parameter are combined on the same display plane with orthogonal axes, allowing complete information representation through a simple graphical interface rather than multiple separate displays.
Data Source
AI summary
In the present invention, in a coordinate plane that receives an expression according to a first axis indicating a parameter that impacts a basic rate and a second axis indicating a parameter that impacts a metered power rate, a display unit (230) displays an image indicating coordinates indicating the use state of power received from a grid.