EV Battery Swap Cloud Allocation With External Battery Management
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Solution Overview
Problem
The existing electric vehicle battery swap systems face challenges such as low charging speed, limited charging stations, battery pack differences, high costs, and complex interfaces, which hinder convenience and widespread adoption due to lack of real-time information management and inefficient battery allocation.
Innovation Solution
A cloud storage-based battery swap system that allows users to access battery pack distribution information through the Internet of Vehicles, with the battery management system hardware positioned on the vehicle body, simplifying interfaces and reducing costs, and enabling real-time tracking and management of battery packs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If battery management system hardware is integrated into the battery pack, then battery pack functionality is complete, but battery pack cost increases and interface complexity increases
Solution Approach 1:
The battery management system is segmented into two parts: hardware (controllers, sensors) remains integrated with the battery pack for monitoring functions, while software (management algorithms, communication protocols) is separated and stored in the vehicle's main control system. This allows the battery pack to maintain basic monitoring functionality while reducing interface complexity and cost.
Solution Approach 2:
The battery management software is extracted from the battery pack and relocated to the vehicle's central control system. This extraction reduces the battery pack's complexity and cost while maintaining complete functionality through the vehicle system's management capabilities.
2Speed
If battery management system hardware is integrated into the battery pack, then battery monitoring is direct, but information cannot be shared with battery swap system
Solution Approach 1:
The vehicle's central control system acts as an intermediary between the battery pack and the battery swap system. The battery management hardware in the pack communicates with the vehicle system, which then shares relevant information with the battery swap system through the internet, enabling information flow without direct connection.
Solution Approach 2:
The vehicle control system merges the functions of battery monitoring and swap system communication into a single integrated platform, allowing seamless information exchange between previously isolated systems.
3Ease of operation
If multiple spare battery packs are stored at swap stations, then customer satisfaction improves, but battery pack cost increases
Solution Approach 1:
The system implements real-time feedback loops where the cloud platform monitors battery pack status, vehicle locations, and swap station inventory. This feedback enables dynamic optimization of spare battery distribution, ensuring adequate supply for customer satisfaction while minimizing total inventory requirements through data-driven decision making.
Solution Approach 2:
The battery swap system transitions from static inventory allocation to dynamic distribution based on real-time data. The cloud platform continuously adjusts spare battery locations and quantities based on changing demand patterns, vehicle deployments, and operational conditions.
4Productivity
If standardized battery interfaces are implemented, then swap speed increases, but adaptability to different manufacturers decreases
Solution Approach 1:
The battery pack design implements universal mechanical and electrical interfaces that can accommodate multiple manufacturers and models. The standardized interfaces enable a single battery pack design to serve multiple vehicle types and manufacturers, achieving both fast swap capability and broad compatibility.
Data Source
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AI summary
Disclosed is a cloud storage-based battery swap system for an electric vehicle, which is intended to solve the problems of the existing electric vehicles, such as inconvenient use of an energy supply system, and excessive individual difference and excessive cost of a battery pack. The system comprises: a battery pack information storage apparatus for storing battery pack information of an electric vehicle; a battery pack allocation station for storing battery packs and charging the battery packs; and a battery swap station for replacing a battery pack for the electric vehicle, and communicating with the battery pack information storage apparatus to transmit the battery pack information to the battery pack information storage apparatus. In addition, a battery management system for the battery pack is disposed on the electric vehicle outside the battery pack. Also disclosed is a method for the system. The system and the method not only make the energy supply of the electric vehicle more convenient, but also reduce the battery pack supply cost, thereby making the large-scale construction of battery swap stations become possible.