Cell Supervision Circuit Bracket With Conductive Heat Path
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Solution Overview
Problem
In battery packs, the cell supervision circuit lacks a fixed mounting position, leading to inefficient heat dissipation, which can result in decreased performance and safety issues due to high temperatures.
Innovation Solution
A mounting bracket with a thermally conductive part that fits snugly to the battery pack container, providing a dedicated heat dissipation path for the cell supervision circuit, along with a management system mounting part and optional force balancing structures, module pressing parts, and connecting bolts for secure and efficient heat management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the cell supervision circuit is mounted wherever there is free space after other components are mounted, then the mounting position is flexible and easy to install, but the heat dissipation performance deteriorates and the circuit may be damaged under high temperature
Solution Approach 1:
The mounting bracket is divided into distinct functional regions: a first mounting region for the cell supervision circuit and a second mounting region for other components. This segmentation allows the circuit to be mounted in a predetermined position with dedicated heat dissipation space, resolving the conflict between mounting flexibility and heat dissipation performance.
Solution Approach 2:
The patent specifies predetermined mounting positions for the cell supervision circuit on the mounting bracket before other components are installed. This preliminary positioning ensures that the circuit is always mounted in locations with adequate heat dissipation capabilities, eliminating the need to search for free space after other components are mounted.
2Ease of manufacture
If the cell supervision circuit is mounted in positions affected by surrounding components, then the mounting process is simplified, but the heat dissipation path is blocked and circuit reliability decreases
Solution Approach 1:
The mounting bracket serves multiple functions: it provides a standardized mounting interface for the cell supervision circuit, ensures proper heat dissipation pathways, and maintains structural organization within the battery pack. This multi-functionality resolves the contradiction by making the bracket a universal solution that simultaneously simplifies mounting and ensures reliability.
3Adaptability or versatility
If no fixed position is designated for the cell supervision circuit, then the battery pack layout is flexible, but the heat dissipation efficiency decreases and safety is compromised
Solution Approach 1:
The mounting bracket incorporates locally optimized features including heat dissipation fins, ventilation channels, and thermally conductive pathways in specific regions. These local quality enhancements ensure that wherever the circuit is mounted on the bracket, adequate heat dissipation is provided, resolving the conflict between layout flexibility and heat management.
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
Ensures proper working temperature of the cell supervision circuit, enhances its reliability, and improves the safety of the battery pack by effective heat dissipation and stable mounting.
Implementation Method 1
a thermally conductive part, configured to fit snugly to a container of a battery pack, wherein the thermally conductive part is connected to one end of the management system mounting part, and disposed on a side where the management system mounting surface is located
Data Source
AI summary
This disclosure relates to the technical field of energy storage devices, and in particular, to a mounting bracket for a cell supervision circuit, a battery pack, and a vehicle. The mounting bracket includes: a management system mounting part, including a management system mounting surface, which is configured to mount a cell supervision circuit; and a thermally conductive part, configured to fit snugly to a container of the battery pack, which is connected to one end of the management system mounting part, and disposed on a side where the management system mounting surface is located.