Capacitor State Display Device for Vehicle Power Flow
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Solution Overview
Problem
Users of high-voltage batteries in vehicles often inaccurately perceive the charging state due to high power consumption by air conditioners and output terminals, leading to confusion about whether the battery is being charged from an external charging facility.
Innovation Solution
A capacitor state display device that visually represents the power flow from an external charging facility to the vehicle, distinguishing between power consumption by the air conditioner, output terminal, and charging of the capacitor, using images and patterns to indicate power supply paths and consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If the high-voltage battery is connected to the external charging facility, then electric power can be supplied to the vehicle, but the user cannot accurately recognize whether the battery is being charged due to high power consumption by air conditioners and output terminals
Solution Approach 1:
The display device segments the power flow information into distinct visual paths: one path showing power from the external charging facility to the high-voltage battery, and another path showing power from the external charging facility directly to power consumption sections. This segmentation allows users to clearly distinguish between charging current and consumption current, resolving the confusion caused by high power consumption masking the charging state.
2Ease of operation
If power consumption by air conditioner and output terminal is large, then vehicle functions can be operated, but all electric power from external charging facility is consumed without charging the high-voltage battery
Solution Approach 1:
The display device provides visual feedback by showing real-time power flow information. Users can see whether power is being supplied to the battery or consumed by vehicle functions, enabling them to understand the actual charging status. This feedback mechanism maintains operational reliability by preventing misconceptions about charging progress even when power consumption is high.
Data Source
AI summary
Provided is a capacitor state display device for a vehicle displaying a capacitor state in the vehicle. The vehicle includes a capacitor to which electric power is supplied from an external charging facility, and a power consumption section consuming electric power supplied from the external charging facility or the capacitor. The capacitor state display device includes a display control section acquiring the capacitor state and a display section displaying images based on a command of the display control section. The display control section displays that electric power supplied from the external charging facility is being consumed by the power consumption section if electric power supplied from the external charging facility is being supplied to the power consumption section in a state that electric power is being supplied to the vehicle from the external charging facility.