Liquid-Cooled Inductor Layout for Energy Storage Converters
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Solution Overview
Problem
Inductors in energy storage converters rely on air cooling, which results in poor heat dissipation, leading to high operating temperatures and reduced service life.
Innovation Solution
The energy storage converter employs a liquid cooling system with a housing and a liquid cooling plate, featuring an outer shell with multiple side plates and a wire outlet structure, reducing the distance between the inductor's inner core and the cooling plate for enhanced heat dissipation, and includes a limiting structure to secure the inner core and facilitate electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If air cooling is used for the inductor, then the structure is simple, but the heat dissipation effect is poor leading to high operating temperature
Solution Approach 1:
The patent applies liquid cooling by introducing a cooling plate that contacts the inductor, using liquid circulation to achieve efficient heat dissipation. This resolves the contradiction by replacing simple air cooling with a hydraulic cooling system that maintains lower operating temperatures despite increased structural complexity.
2Device complexity
If air cooling is used, then the cooling system is simple, but the service life of the inductor is reduced due to high temperature operation
Solution Approach 1:
By implementing liquid cooling through a cooling plate system, the patent extends the inductor's service life by maintaining lower operating temperatures. The liquid circulation system efficiently removes heat, preventing thermal degradation and prolonging component lifespan despite the added structural complexity.
3Ease of operation
If the inductor is placed away from the cooling plate, then the electrical connection is easier, but the heat dissipation efficiency is reduced
Solution Approach 1:
The patent uses a cooling plate as an intermediary structure that serves dual functions: it provides efficient thermal contact with the inductor for heat dissipation while incorporating wire outlet structures that facilitate electrical connections. This mediator approach resolves the contradiction by integrating both cooling and electrical connection functions into a single component.
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 liquid cooling system significantly improves heat dissipation efficiency, extending the inductor's service life by maintaining lower operating temperatures and ensuring reliable electrical connections.
Implementation Method 1
The liquid cooling plate is located within the accommodating space... the fifth side plate is fixed on a surface of the liquid cooling plate... significantly improves heat dissipation efficiency
Data Source
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Figure 5~6
AI summary
Provided is an energy storage converter. The energy storage converter includes a housing, a liquid cooling plate and an inductor. The housing is internally provided with an accommodating space. The liquid cooling plate is located within the accommodating space. The inductor includes an outer shell and an inner core. The outer shell includes a first side plate, a second side plate, a third side plate, a fourth side plate, a fifth side plate and a sixth side plate. The fifth side plate is provided with an opening, a wire outlet structure is disposed on a portion of the fifth side plate other than the opening and extends in a direction from the opening to the sixth side plate, and the fifth side plate is fixed on a surface of the liquid cooling plate.