MONITOR CAMERA

• Main Authors: YAMASHITA MASAHIRO, URANO SEIJI, YAMASHIRO YOICHIRO, KAWASHIMA TOMOYOSHI
• Format: Patent
• Language: English; Japanese
• Published: 24.10.2019
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CINEMATOGRAPHY; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ELECTROGRAPHY; HOLOGRAPHY; PHOTOGRAPHY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION

To suppress dew condensation and ice accretion while suppressing increase in manufacturing costs and running costs and effectively utilizing internal heat evolution.SOLUTION: A monitor camera 11 comprises: a camera part 31 including a lens 37; a housing part 17 that supports the camera part 31 with an aperture 59 agreeing with the lens 37 and encloses the camera part 31 with a gap 61; a light transmissive cover part 21 attached to the aperture 59 apart from the lens 37 so as to seal the housing part 17; a fan 63 provided in the gap 61 to make air in the gap 61 circulate between the fan and the cover part 21; a vent hole 65 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 provided so as to face the gap 61 to heat the air; and an infra-red light irradiation device 49 provided so as to face the gap 61 to emit infra-red light to the outside 67 through the cover part 21 as well as radiate heat to the air.SELECTED DRAWING: Figure 5 【課題】製造コスト、ランニングコストの増大を抑制し、内部発熱を有効利用しながら、結露や着氷を抑制する。【解決手段】監視カメラ１１は、レンズ３７を有するカメラ部３１と、レンズ３７に一致する開口部５９を有してカメラ部３１を支持し、間隙６１を隔ててカメラ部３１を包囲する筐体部１７と、レンズ３７に離間して開口部５９に取り付けられ、筐体部１７を密閉する透光性のカバー部２１と、間隙６１に配置され、間隙６１の空気をカバー部２１との間で循環させるファン６３と、筐体部１７に穿設され、間隙６１を外部６７へ開放する通気口６５と、通気口６５を塞ぐ防水通気膜６９と、間隙６１に面して設けられ、空気を加熱するヒータと、間隙６１に面して設けられ、カバー部２１を通して外部６７へ赤外光を出射させるとともに空気に放熱する赤外光照射装置４９と、を備える。【選択図】図５