Battery Energy Distribution Unit Liquid Cooling for Heat Control
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Solution Overview
Problem
Existing battery energy distribution units face challenges in dissipating heat efficiently, leading to the need for larger, heavier, and more expensive electrical components with high current carrying capacity, which increases volume and weight.
Innovation Solution
Implementing a battery energy distribution unit liquid cooling system connected in series with a battery pack liquid cooling system, controlled by a battery management system that monitors temperature and current to adjust cooling operations dynamically, allowing for efficient heat dissipation without requiring high-specification electrical components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If electrical components with large current carrying capacity and higher specification are selected to improve heat resistance, then temperature control capability is improved, but volume, weight, and cost increase
Solution Approach 1:
A liquid cooling system is introduced as an intermediary heat dissipation mechanism. The cooling liquid circulates through cooling channels in the battery energy distribution unit, directly removing heat from high-current components without requiring those components to have inherent high heat resistance. This mediator approach allows the use of lighter, lower-specification electrical components while maintaining effective temperature control.
Solution Approach 2:
The patent employs a hydraulic cooling system where liquid coolant flows through dedicated cooling channels formed in the battery energy distribution unit housing. This hydraulic heat removal system efficiently transfers heat from electrical components to the circulating coolant, enabling the use of lighter electrical components that would otherwise overheat.
2Temperature
If electrical components with large current carrying capacity and higher specification are selected to improve heat resistance, then temperature control capability is improved, but volume and space increase
Solution Approach 1:
The liquid cooling system acts as an intermediary that externalizes the heat dissipation function. Instead of embedding heat resistance directly into larger electrical components, the cooling liquid and channels provide the heat removal capability, allowing compact electrical components to be used without compromising thermal management.
Solution Approach 2:
The patent changes the thermal management approach from relying on component material properties (heat resistance) to an active cooling system with controllable parameters such as coolant flow rate and temperature. This parameter-based control enables efficient heat dissipation from compact components through dynamic adjustment of cooling intensity.
3Temperature
If electrical components with large current carrying capacity and higher specification are selected, then heat resistance is improved, but cost increases
Solution Approach 1:
The liquid cooling system serves as a cost-effective intermediary solution. Rather than purchasing expensive high-specification electrical components with built-in heat resistance, the system uses relatively inexpensive cooling infrastructure (pump, radiator, coolant, and cooling channels) to provide the necessary thermal management, significantly reducing component costs.
4Temperature
If active cooling systems are implemented to control temperature, then temperature control capability is improved, but device complexity increases
Solution Approach 1:
The battery energy distribution unit housing serves multiple functions: it provides structural support, contains electrical components, and acts as the cooling channel pathway for heat removal. This multi-functionality reduces overall system complexity by eliminating separate cooling structure components and integrating thermal management into the existing housing design.
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 approach effectively controls the temperature of the battery energy distribution unit, preventing the need for larger and heavier components, thus maintaining efficient operation while reducing volume, weight, and cost.
Implementation Method 1
a battery energy distribution unit liquid cooling system, the battery energy distribution unit liquid cooling system being connected in series with a battery pack liquid cooling system
Data Source
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AI summary
Provided is a temperature control method for a battery energy distribution unit. The control method includes the following steps: a battery management system detects the target data of the battery energy distribution unit, where the target data includes at least one of a first temperature or a distribution current; and a control command is generated according to the target data, and the control command is sent to a battery energy distribution unit liquid cooling system or a battery pack liquid cooling system so that the battery energy distribution unit liquid cooling system or the battery pack liquid cooling system starts to operate according to the control command, thereby controlling the temperature of the battery energy distribution unit. This solution can control the temperature of the battery energy distribution unit, so that the battery energy distribution unit does not need to select an electrical component having a large current carrying capacity and a higher specification and type.