Title:
POWER CONVERSION DEVICE FOR RAILWAY VEHICLE
Document Type and Number:
Japanese Patent JP2022182953
Kind Code:
A
Abstract:
To provide a power conversion device for a railway vehicle capable of making traveling wind easily flow into a cooling fin arranged in a recessed part of a housing for the power conversion device.SOLUTION: A power conversion device 100 includes: a housing 10, which is mounted on a lower part 101b of a railway vehicle main body 101a, storing a power conversion part 1 in its inside, and provided with a recessed part 2 recessed inward; and a plurality of plate-like cooling fins 3, which are provided in the recessed part 2 so as to extend along a traveling direction (a direction of the flow of cooling air) of a railway vehicle main body 101a with intervals, and cool the power conversion part 1 by the traveling wind of the railway vehicle main body 101a. The power conversion device 100 includes a protrusion part 4 which is provided on an upstream side of the traveling wind of the cooling fins 3 on a surface 21a of the housing 10 in the vicinity of the recessed part 2 and protrudes toward the side opposite to the recessed direction of the recessed part 2.SELECTED DRAWING: Figure 2
Inventors:
MORI YOSHIRO
TAKIZAWA MASAMITSU
SHIBATA MISATO
TAKIZAWA MASAMITSU
SHIBATA MISATO
Application Number:
JP2021181949A
Publication Date:
December 08, 2022
Filing Date:
November 08, 2021
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
B61C17/00; H01L23/467
Attorney, Agent or Firm:
Hirokazu Miyazono
Tomohiro Mimori
Tomohiro Mimori