Converter heat dissipation structure and converter device

By employing a liquid-cooled unit supplied with a refrigerant source and a heat dissipation structure with thermally conductive connections in the converter equipment, the problem of dispersed arrangement of different heat-generating devices is solved, achieving a compact and efficient heat dissipation effect and a simplified assembly process.

CN224356480UActive Publication Date: 2026-06-12HOYMILES POWER ELECTRONICS INC

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HOYMILES POWER ELECTRONICS INC
Filing Date
2025-04-07
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

In converter equipment, different heat-generating devices are scattered, making it difficult to dissipate heat efficiently at the same time. Existing heat dissipation systems are complex in structure and difficult to assemble.

Method used

The liquid cooling unit, which is supplied by a refrigerant source, the power conversion unit and the energy storage inductor are stacked along the direction of the liquid cooling unit and are thermally connected through the first and second cooling surfaces. Combined with the heat conduction box and the support frame, they form a compact heat dissipation structure.

🎯Benefits of technology

Simultaneous heat dissipation of the power conversion unit and energy storage inductor is achieved, the structural layout is optimized, the assembly difficulty and space occupation are reduced, and the heat dissipation efficiency is improved.

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Abstract

This utility model provides a converter heat dissipation structure and converter device. The converter heat dissipation structure includes a refrigerant source, a liquid cooling unit, a power conversion unit, and an energy storage inductor. The liquid cooling unit has a liquid cooling channel connected to the refrigerant source. The power conversion unit, the liquid cooling unit, and the energy storage inductor are stacked sequentially along a first direction of the liquid cooling unit. The liquid cooling unit includes a first cooling surface thermally connected to the power conversion unit and a second cooling surface thermally connected to the energy storage inductor. The converter device includes a power circuit board, an EMI board, and the converter heat dissipation structure. The power circuit board and the EMI board are arranged in layers along the first direction.
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