Capacitor Module Inward-Facing Partition Thermal Management
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Solution Overview
Problem
Capacitor modules experience thermal interference between adjacent capacitors due to their close arrangement, leading to heat accumulation and increased temperatures.
Innovation Solution
Incorporating inward-facing portions in the capacitor case that protrude between adjacent capacitors, allowing for increased spacing and reducing thermal interference by dissipating heat generated between capacitors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If capacitors are arranged close to each other within the capacitor case, then the space utilization is improved, but thermal interference occurs between adjacent capacitors
Solution Approach 1:
The capacitor case is segmented into multiple compartments by partition walls, with each compartment housing one or more capacitors. This segmentation physically separates adjacent capacitors, preventing direct thermal interference while maintaining high space utilization. The partition walls create distinct thermal zones that isolate heat generation from neighboring capacitors.
Solution Approach 2:
Partition walls serve as intermediary structures between adjacent capacitors. These walls act as thermal barriers that mediate the thermal interaction between capacitors, blocking direct heat transfer while allowing the capacitors to be arranged in a compact configuration. The partition walls are positioned to traverse line segments passing through centers of adjacent capacitors, optimizing thermal isolation.
2Temperature
If recesses are formed between adjacent capacitors, then thermal interference is reduced, but the recesses are arranged in dead spaces and less effective
Solution Approach 1:
Instead of forming isolated recesses between capacitors, the invention uses partition walls that segment the entire capacitor case into compartments. This segmentation approach is more effective than local recesses because it creates continuous thermal barriers that extend through the height of the capacitors, preventing thermal interference more efficiently without requiring complex localized modifications.
Solution Approach 2:
The partition walls extend in the height direction (vertical dimension) to traverse line segments passing through centers of adjacent capacitors. By utilizing the vertical dimension effectively, the partition walls create comprehensive thermal separation without requiring excessive horizontal space, thus reducing structural complexity compared to attempting to create effective recesses in the horizontal plane.
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 design minimizes thermal interference and heat accumulation between capacitors, maintaining a stable temperature and improving the overall performance of the capacitor module.
Implementation Method 1
a sealing resin with which the capacitor case is filled to seal the capacitors
Data Source
AI summary
A capacitor module is provided which includes a plurality of capacitors, a capacitor case, and a sealing resin with which the capacitor case is filled to seal the capacitors in the capacitor case. The capacitor case includes inward-facing portions of an outer wall thereof each of which bulges or protrudes between every adjacent two of the capacitors. As viewed in a height-wise direction perpendicular both to a direction in which the inward-facing portions protrude and to a direction in which two of the capacitors adjacent each other across one of the inward-facing portions are aligned, the intervening inward-facing portion traverses a line segment passing through centers of the two adjacent capacitors. This structure minimizes thermal interference between the capacitors.