EV Battery Damage Detection for Accident Emergency Dispatch
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Solution Overview
Problem
Existing systems fail to accurately convey the state of a vehicle's power storage to emergency services following an accident, particularly in cases where the impact does not necessarily damage the battery, and do not account for different types of electric vehicles, leading to inadequate response strategies.
Innovation Solution
A method and system that determines if a vehicle has been involved in an accident, assesses the damage to the power storage, and transmits an emergency signal to emergency vehicles or management systems, including the vehicle's position and type, enabling appropriate response based on the power storage type.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If an impact detection sensor is used to detect vehicle accidents, then the occurrence of accidents can be detected, but the accuracy of determining power storage damage is insufficient because the sensor cannot distinguish between impact on the vehicle body and impact on the power storage
Solution Approach 1:
The patent divides the detection function into multiple sensors positioned at different locations: a first sensor detects impact on the vehicle body, while a second sensor specifically detects impact on the power storage. This segmentation allows accurate determination of whether the power storage has been damaged by distinguishing between general vehicle impact and direct power storage impact.
2Reliability
If emergency signals are transmitted without detailed power storage information, then response time is reduced, but the quality of emergency response is insufficient
Solution Approach 1:
The patent performs preliminary assessment of power storage damage before transmitting the emergency signal. The determination unit evaluates whether the power storage has been damaged based on sensor data, and this assessment information is included in the emergency signal. This allows emergency services to receive comprehensive information (damage degree, power storage type, location) that enables appropriate response without causing significant delay.
3Adaptability or versatility
If all vehicle accidents are treated with the same emergency protocol, then response simplicity is maintained, but the appropriateness of response for different power storage types is insufficient
Solution Approach 1:
The patent transmits specific information about the power storage type (e.g., lithium ion battery, nickel metal hydride battery) and the degree of damage in the emergency signal. This allows emergency services to tailor their response to the specific characteristics of the affected power storage, such as using different protective measures or handling procedures appropriate to the particular battery type and damage level.
Data Source
AI summary
A method of managing a power storage includes determining whether or not a vehicle including a power storage has been involved in an accident, obtaining a degree of damage to the power storage when it is determined that the vehicle has been involved in the accident, and transmitting an emergency signal indicating the obtained degree of damage and a position of the vehicle involved in the accident to at least one of an emergency vehicle that deals with the accident and a management apparatus that instructs the emergency vehicle to be deployed.