Dual Battery Circuit Switching for Temperature-Stable Charging
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Solution Overview
Problem
Existing technologies face challenges in effectively controlling the temperature of dual battery packs, including power-type and energy-type battery packs, which is crucial for their stable operation.
Innovation Solution
A battery circuit is designed with a control unit that manages switches to control the charging state of the battery packs based on temperature thresholds, ensuring stable operation by adjusting the charging dynamics according to the temperature of the battery packs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the battery packs are charged at high rates to improve productivity, then charging speed increases, but temperature rises causing self-heating issues
Solution Approach 1:
The patent implements dynamic temperature-based control of charging parameters. The control unit adjusts charging current and voltage in real-time based on detected battery temperature, allowing high charging rates when temperature is acceptable and reducing rates when temperature rises, thus resolving the contradiction between charging speed and temperature control
Solution Approach 2:
The patent employs temperature feedback control where sensors continuously monitor battery temperature and feed this information to the control unit. The control unit then adjusts charging parameters based on the feedback signal, creating a closed-loop system that maintains productivity while preventing excessive temperature rise through automatic parameter adjustment
2Stability of the object's composition
If temperature control measures are implemented to prevent self-heating, then temperature stability improves, but device complexity increases
Solution Approach 1:
The patent enables the battery system to self-regulate temperature through intelligent control algorithms that automatically adjust charging parameters based on temperature feedback. The control unit independently manages temperature control without requiring external intervention or complex additional hardware, allowing the system to serve its own temperature control needs
Solution Approach 2:
The patent controls temperature by dynamically changing electrical parameters (current, voltage, charging rate) rather than introducing complex thermal management hardware. The control unit adjusts these electrical parameters based on temperature conditions, achieving temperature stability through parameter modulation of the existing charging system
Data Source
AI summary
A battery circuit and a vehicle are disclosed. The battery circuit comprises a power supply terminal, a first battery pack, a second battery pack, a voltage transformation unit, a first switch, a second switch, a grounding terminal, and a control unit. A positive electrode of the first battery pack is coupled to the power supply terminal, and a negative electrode of the first battery pack is coupled to a positive electrode of the second battery pack; a negative electrode of the second battery pack is coupled to the grounding terminal; the voltage transformation unit is coupled between the negative electrode of the first battery pack and the second terminal of the first switch, and controls the first switch and the second switch to be connected or disconnected according to at least one of the temperature of the first battery pack, and the temperature of the second battery pack.