Battery Cooling Channel With Temperature-Responsive Flow Regulation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Battery packs in electric vehicles face safety issues and reduced lifespan due to non-uniform temperature distribution, leading to uneven heat dissipation and potential lithium precipitation at low temperatures, which accelerates cell performance deterioration.
Innovation Solution
A battery cooling device with temperature-responsive regulation components and restriction components that adjust fluid flow and channel configurations to maintain temperature uniformity, promoting large-flow cooling at high temperatures and small-flow cooling at low temperatures, thereby enhancing safety and extending battery life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If uniform cooling is applied to the battery pack, then high temperature areas are cooled effectively, but low temperature areas experience excessive cooling and heat loss
Solution Approach 1:
The cooling device implements local quality by providing different cooling intensities to different regions of the battery pack. Temperature-responsive regulation components are placed in high-temperature areas to enable large-flow cooling where needed, while restriction components in low-temperature areas prevent excessive cooling and heat loss, achieving energy-efficient temperature management.
Solution Approach 2:
The system uses temperature-responsive regulation components that dynamically adjust the opening degree based on real-time temperature conditions. When temperatures rise, the regulation components deform to increase opening degree for enhanced cooling; when temperatures drop, restriction components activate to limit cooling flow, enabling adaptive heat management.
2Productivity
If cooling fluid flow is increased to improve cooling efficiency, then high temperature areas are cooled better, but low temperature areas suffer from excessive cooling
Solution Approach 1:
Different sections of the cooling device have different flow regulation characteristics. High-temperature areas are equipped with regulation components that allow large fluid flow for efficient cooling, while low-temperature areas have restriction components that limit fluid flow to prevent excessive cooling, achieving spatially differentiated cooling performance.
Solution Approach 2:
The temperature-responsive regulation components provide feedback-based flow control. When temperature sensors detect high temperatures, the regulation components deform to increase opening degree and boost cooling efficiency. When temperatures are low, the system automatically restricts flow, creating a closed-loop control system that prevents over-cooling.
3Temperature
If temperature-responsive regulation components are added to achieve dynamic cooling control, then temperature uniformity is improved, but device complexity increases
Solution Approach 1:
The cooling device employs temperature-responsive regulation components that automatically adjust their opening degree based on temperature changes without external control. The components deform in response to temperature variations, self-regulating the cooling flow distribution across different battery areas, thereby reducing the need for complex external control systems.
Solution Approach 2:
The system changes the physical state of the regulation components based on temperature parameters. When temperature rises, the regulation components undergo deformation to alter their opening degree, changing the flow resistance parameter dynamically. This parameter-based control achieves sophisticated temperature management through simple material response.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The device ensures uniform temperature distribution across the battery pack, improving safety and prolonging battery life by actively regulating fluid flow and heat dissipation according to temperature changes, while allowing flexible cell selection and arrangement.
Implementation Method 1
the regulation component is deformed from a first opening degree to a second opening degree when the temperature rises, or is deformed from the second opening degree to the first opening degree when the temperature drops
Implementation Method 2
the restriction component is deformed from a first configuration to a second configuration when the temperature rises, or is deformed from the second configuration to the first configuration when the temperature drops
Implementation Method 3
the cooling channel is configured to allow flowing of cooling fluid... large-flow cooling is adopted at the high temperature, and small-flow cooling is adopted at the low temperature
Data Source
AI summary
A battery cooling device includes a shell, a cooling channel arranged inside the shell and configured to allow flowing of cooling fluids and restrict flowing directions of the cooling fluids along the cooling channels, a cooling fluid flow regulation component arranged inside the shell and configured to be deformed from a first opening degree to a second opening degree when the temperature rises where the fluid flow at the first opening degree is less than the fluid flow at the second opening degree, and a regulation component deformation restriction component arranged inside the shell and configured to be deformed from a first configuration to a second configuration when the temperature rises.