Title:
ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP2018206963
Kind Code:
A
Abstract:
To simplify construction of an electronic device having a blower unit and improve heat dissipation properties of the electronic device.SOLUTION: An electronic control device comprises: a waterproof housing including a case 21 where a through hole 211 is formed; a circuit board 30 stored in the waterproof housing 2; and a blower unit 40. The blower unit has: a fan 41; a housing 42 for storing the fan; a terminal 43 projecting from a bottom wall 422 of the housing to be connected to the circuit board; and a first vent hole 420 and a second vent hole 421 provided in the housing so as to form air flow along an outer surface 21a of the case in association with rotation of the fan. The electronic control device has a rectification fin 216 provided corresponding to the second vent hole and around the through hole on the outer surface of the case so as to rectify air flow along the outer surface.SELECTED DRAWING: Figure 2
Inventors:
SAEGUSA TOSHIAKI
SHIRAISHI RYOICHI
KADONO KIMIO
FRANCIS HIDEKI BECHET
SHIRAISHI RYOICHI
KADONO KIMIO
FRANCIS HIDEKI BECHET
Application Number:
JP2017111029A
Publication Date:
December 27, 2018
Filing Date:
June 05, 2017
Export Citation:
Assignee:
DENSO CORP
International Classes:
H05K7/20; H05K5/06
Domestic Patent References:
| JP2014223000A | 2014-11-27 | |||
| JP2014204606A | 2014-10-27 | |||
| JP2008140802A | 2008-06-19 | |||
| JP2006325315A | 2006-11-30 |
Foreign References:
| US20150342091A1 | 2015-11-26 | |||
| US20160242316A1 | 2016-08-18 |
Attorney, Agent or Firm:
Kazuyuki Yahagi
Taihei Nonobe
Takanori Kubo
Taihei Nonobe
Takanori Kubo