Power conversion device

By employing power modules with protruding electrode terminals and strategic input connection points, the power conversion device achieves miniaturization and cost reduction while maintaining vibration resistance and interface flexibility.

JP2025175400APending Publication Date: 2025-12-03MITSUBISHI ELECTRIC CORP
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Patent Information

Application Number
JP2024081486
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-12-03

AI Technical Summary

Technical Problem

Existing power conversion devices face challenges in miniaturization and cost reduction due to the need to route DC bus bars across AC power supply terminals, requiring additional components and space for heat dissipation, which is exacerbated by vibrations from drive devices.

Method used

The power conversion device incorporates power modules with electrode terminals protruding from side surfaces, allowing for multiple input connection points at different locations, enabling flexible interface positioning without changing connector specifications, and utilizing insulating and conductive members to minimize size and cost.

Benefits of technology

This configuration results in a compact and cost-effective power conversion device that maintains vibration resistance and reduces the need for additional components, allowing for standardization and miniaturization without altering interface specifications.

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Abstract

To obtain a power conversion device which is miniaturized and whose cost is reduced.SOLUTION: A power conversion device comprises: one or more power modules having one or more semiconductor chips, a first electrode terminal connected with the semiconductor chip, and a second electrode terminal connected with the semiconductor chip; a first conductive connection member connected with the first electrode terminal; a second conductive connection member connected with the second electrode terminal; a first input connection part electrically connected with the outside and connected with the first conductive connection member; and a second input connection part electrically connected with the outside and connected with the second conductive connection member, wherein the power module comprises a plurality of side faces surrounding the semiconductor chip, the first electrode terminal and the second electrode terminal project from a first side face as one side face of the power module, extend in a surrounding direction, provided by being aligned in a first direction as one direction along the first side face, and the first input connection part and the second input connection part are provided at two parts of one side and the other side in the first direction, respectively.SELECTED DRAWING: Figure 1
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Citation Information

Patent Citations

  • Power convertor

    WO2013015319A1