EV Battery Status via Vehicle Lights and Speakers
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Solution Overview
Problem
Electric vehicle users face challenges in monitoring the battery charge state, especially when the vehicle is parked and in a power-off state, as traditional methods require additional devices and may not provide real-time or remote access to battery power levels.
Innovation Solution
The method involves using light lamps and speakers on the electric vehicle to convey battery charge state information through controlled light colors, blink patterns, and sound patterns, allowing users to remotely assess the battery state via visual and auditory cues, even when the vehicle is powered off.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If telematics technology with additional communication devices is used to check battery status remotely, then users can monitor battery charge state when vehicle is parked or powered off, but device complexity and cost increase
Solution Approach 1:
The electric vehicle itself provides the monitoring service through its existing light lamps and speakers, eliminating the need for separate communication devices. The vehicle's own components serve the dual purpose of their original function plus battery status indication, allowing users to check charge state remotely without adding external telematics hardware.
Solution Approach 2:
The light lamps and speakers are made multi-functional by using them both for their original purposes (lighting and audio warnings) and for battery charge state communication. This universal usage of existing components resolves the contradiction by providing remote monitoring capability without requiring dedicated additional devices.
2Loss of information
If battery gauge is used to check remaining battery power, then users can see charge state when vehicle is on, but users cannot check battery status when vehicle is parked or powered off
Solution Approach 1:
The electronic battery gauge interface is replaced with acoustic and optical signaling systems (speakers and light lamps) that can communicate battery status remotely without requiring the vehicle to be powered on or the user to be inside the vehicle. This substitution enables information access in previously inaccessible states.
Solution Approach 2:
The light lamps and speakers act as intermediaries between the battery system and the user, transmitting battery charge state information in forms (visual and auditory signals) that can be perceived remotely and in various vehicle states, thereby eliminating the limitation of traditional gauge-based monitoring.
3Ease of operation
If additional communication devices are added for remote battery monitoring, then users can check battery status externally, but manufacturing cost increases
Solution Approach 1:
The electric vehicle uses its own existing components (light lamps and speakers) to provide the remote monitoring function, eliminating the need for additional communication devices that would increase manufacturing costs. The vehicle serves its own monitoring needs using already-installed hardware.
Solution Approach 2:
By making the light lamps and speakers multi-functional, the patent eliminates the need for separate communication devices, thereby reducing manufacturing costs while still providing external battery status checking capability.
Data Source
AI summary
The disclosure is related to providing information on a battery charge state of a parked electric vehicle through at least one of one or more light lamps and one or more speakers of the parked electric vehicle. Particularly, the disclosure may control at least one of a lamp light color, a lamp blink pattern, and a sound pattern according to the battery charge state information such that a user can recognize the battery charge state away from the electric vehicle through hearing and/or vision.


