Cuboid Battery Cooling Device with Segmented Fluid Zones
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Solution Overview
Problem
Existing battery systems face challenges in achieving rapid and uniform heat dissipation, particularly at high power output and high ambient temperatures, leading to thermal imbalances and reduced performance.
Innovation Solution
A temperature control device featuring a cuboid hollow body with regularly arranged openings for cylindrical battery cells, surrounded by a separately temperature-controlled fluid, ensuring full-area contact and active temperature management within an optimal range, preventing thermal imbalances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional cooling concepts are used, then the structure is simple, but rapid and uniform heat dissipation cannot be achieved
Solution Approach 1:
The cooling system is segmented into multiple independently controllable cooling zones, each corresponding to a specific battery cell or group of cells. This allows targeted cooling of individual cells or regions with different thermal requirements, enabling rapid and uniform heat dissipation across the entire battery system while maintaining manageable structural complexity through modular design
Solution Approach 2:
Different regions of the battery system are provided with locally optimized cooling solutions based on their specific thermal characteristics and power density. The cooling system adapts its parameters (flow rate, temperature) to local requirements, achieving superior heat dissipation efficiency without requiring a completely complex centralized system
2Use of energy by moving object
If high power output is achieved, then energy density increases, but thermal imbalance and overheating occur
Solution Approach 1:
The cooling system incorporates temperature sensors and control mechanisms that continuously monitor the thermal state of battery cells and adjust cooling parameters in real-time. This feedback control prevents thermal imbalance by detecting temperature deviations early and applying corrective cooling to specific cells, allowing the system to operate at high power densities while maintaining thermal balance
Solution Approach 2:
The cooling system dynamically adjusts its operation based on real-time battery conditions, varying flow rates, temperatures, and active cooling zones according to the battery's instantaneous power demands and thermal state. This dynamic adaptation enables the system to handle high power output scenarios while preventing overheating and thermal imbalance
3Stability of the object's composition
If uniform cooling is applied to all cells, then thermal balance is maintained, but cells with different power densities cannot be optimized individually
Solution Approach 1:
The cooling system implements locally differentiated cooling strategies where each cooling zone can be independently controlled according to the specific power density and thermal characteristics of the corresponding battery cells. This allows cells with higher power densities to receive more aggressive cooling while maintaining thermal equilibrium across the entire system, optimizing overall productivity without sacrificing thermal balance
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
This solution enables efficient heat dissipation and maintains thermal equilibrium, optimizing battery performance and extending service life by keeping the battery system within a specified temperature range.
Implementation Method 1
a fluid-tight liquid space is formed... surrounded by a separately temperature-controlled fluid, ensuring full-area contact
Implementation Method 2
connection device for supplying and at least one connection device for removing a separately temperature-controlled fluid
Data Source
Figure 1~2
Figure 3A~4
AI summary
The invention relates to a temperature-control device (1) for a battery system, at least comprising a cuboid-shaped hollow body (2) having at least one connection device (3) for supplying and at least one connection device (4) for discharging a separately temperature-controlled fluid, a plurality of regularly arranged and identical openings (7) extending from a first body surface (5) to a second body surface (6), wherein a cylindrical battery cell (8) is accommodated by each opening (7), such that a fluid-tight fluid chamber is formed, characterised in that, with the connection of the cell head (11) and the cell base (12), the hollow body (2) extends over a height h from > 20 to < 100% of the total height H of the battery system.