Title:
MONITOR CAMERA AND CONDENSATION SUPPRESSION METHOD FOR MONITOR CAMERA
Document Type and Number:
Japanese Patent JP2019186915
Kind Code:
A
Abstract:
To suppress condensation and ice accretion while suppressing increase in manufacturing costs and running costs and effectively using internal heat evolution.SOLUTION: A monitor camera 11 comprises: a camera part 31 having a lens 37; a housing part 17 that has an aperture 59 corresponding to the lens 37 and supports the camera part 31, and encloses the camera part 31 with a gap 61; a translucent cover part 21 attached to the aperture 59 apart from the lens 37 to seal the housing part 17; a fan 63 that is disposed in the gap 61 and makes air in the gap 61 circulate between the fan and the cover part 21; a vent hole 65 that is bored in the housing part 17 to open the gap 61 to the outside 67; a waterproof ventilation film 69 for closing the vent hole 65; a heater that is provided so as to face the gap 61 and heats the air; and an infrared light irradiation device 49 that is provided so as to face the gap 61 and makes infrared light be emitted to the outside 67 through the cover part 21 as well as discharges heat to the air.SELECTED DRAWING: Figure 5
Inventors:
KAWASHIMA TOMOYOSHI
URANO SEIJI
YAMASHITA MASAHIRO
YAMASHIRO YOICHIRO
URANO SEIJI
YAMASHITA MASAHIRO
YAMASHIRO YOICHIRO
Application Number:
JP2019047233A
Publication Date:
October 24, 2019
Filing Date:
March 14, 2019
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
H04N5/225; G03B15/00; G03B15/03; G03B17/08; G03B17/55
Domestic Patent References:
| JP2009135723A | 2009-06-18 | |||
| JP2017208804A | 2017-11-24 | |||
| JPH0531468U | 1993-04-23 |
Attorney, Agent or Firm:
Patent business corporation glory patent office