EV Battery Temperature Display for Range and Charging Trade-Offs
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Solution Overview
Problem
Existing display systems in electrified vehicles do not adequately inform users about the power storage amount, particularly when temperature adjustment devices consume battery power, leading to unclear consumption patterns.
Innovation Solution
A processor calculates a comparison index value for the power storage amount with and without temperature adjustment, displaying this information on a display device to inform users about the impact of temperature adjustment on battery power availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the temperature adjusting device is operated to adjust the power storage device temperature, then charging efficiency is improved, but the power storage amount for travel is reduced
Solution Approach 1:
The system performs preliminary temperature adjustment of the power storage device before charging operations to optimize charging efficiency. By adjusting the temperature in advance, the system ensures better charging performance while being aware of the power consumption impact.
Solution Approach 2:
The system changes the temperature parameter of the power storage device to optimize charging conditions. By adjusting temperature as a key parameter, the system improves charging efficiency while managing the trade-off with available power for travel.
2Reliability
If the temperature adjusting device is operated, then battery performance is optimized, but the travel distance is reduced
Solution Approach 1:
The system performs preliminary temperature adjustment of the battery before operations that require optimal performance. This ensures the battery is in the best possible state for subsequent operations while informing users of the impact on travel distance.
Solution Approach 2:
The system adjusts the temperature parameter of the battery to optimize its performance characteristics. By controlling temperature, the system improves battery performance while managing the associated power consumption and its effect on travel distance.
3Reliability
If power is consumed for temperature adjustment, then charging efficiency is improved, but information clarity for users is reduced
Solution Approach 1:
The system provides feedback to users by displaying the relationship between temperature adjustment operations and their impact on power storage amount. This feedback mechanism helps users understand the trade-offs and make informed decisions about when to activate temperature adjustment functions.
Solution Approach 2:
The system introduces an information intermediary (display interface) that translates complex power management decisions into understandable visual information for users. This intermediary presents the relationship between temperature adjustment and power storage in a clear, comprehensible format.
Data Source
AI summary
Electrified vehicle includes a processor, a display device, a battery, and a cooling/temperature raising device that adjusts a temperature of the battery according to a user's manipulation using power stored in the battery. The processor calculates a comparison index value relating to the storage amount of the battery between the case where the cooling/temperature raising device is operated and the case where the cooling/temperature raising device is not operated, and displays the calculated comparison index value on the display device. It is possible to notify the user of electrified vehicle of the power storage capacity of the battery when the cooling/temperature raising device that adjusts the temperature of the battery in response to the user's manipulation is operated by using the electric power stored in the battery that stores the electric power for traveling of electrified vehicle and when the cooling/temperature raising device is not operated.