監視カメラの収納ケース

Housing case for monitor camera

Abstract

<P>PROBLEM TO BE SOLVED: To provide a housing case for a monitor camera equipped with an air purging device capable of easily setting the blow-off amount of air for every individual housing case. <P>SOLUTION: The air purging device 10 is provided with a space 12 in an inner part between the inner periphery and the outer periphery of a cylinder part 11 equipped with two protective glass plates 81 on its inner periphery, and provided with an air introducing port 13 ranging to the space 12 on the outer peripheral surface of the cylinder part 11, equipped with an air blow-off port 11a to make the air flowing in from the introducing port 13 to the front surface of the glass plate 81 blow off on the inner peripheral surface of the cylinder 11, and equipped with a screw groove 11b fit to the mount part 3 on the inner surface of the cylinder part 11. The cylinder part 11 is divided to an external cylinder part 11d and an internal cylinder part 11e, and provided with a screw groove 11f on the inner peripheral surface of the external cylinder part 11d and provided with a screw thread 11g corresponding to the screw groove 11f on the outer peripheral surface of the internal cylinder part 11e. By rotating the external cylinder part 11d, the aperture area of the air blow-off port 11a is adjusted. <P>COPYRIGHT: (C)2005,JPO&NCIPI
【課題】個別の収納ケースごとに空気の吹き出し量を容易に設定できるエアパージ装置を備えた監視カメラの収納ケースを提供する。 【解決手段】エアパージ装置10は、内周に2枚の防護ガラス81を備えた円筒状の円筒部11の内周と外周との間の内部に空間12を設け、同空間12へ連なる空気の導入口13を円筒部11の外周面に設け、円筒部11の内周面に、防護ガラス81の前面へ導入口13から流入した空気を吹き出す吹出口11aを備え、円筒部11内面にマウント部3へ嵌着するネジ溝11bを備えた構造である。円筒部11は外円筒部11dと内円筒部11eとに分割される構造となっており、外円筒部11d内周面にネジ溝11fを設け、また、内円筒部11e外周面にネジ溝11fと対応するネジ山11gを設け、外円筒部11dを回転させることにより、吹出口11aの開口面積を調節する構造とする。 【選択図】 図1

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Cited By (7)

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    JP-2011002434-AJanuary 06, 2011Nippon Steel Corp, 新日本製鐵株式会社Gas supply device for inhibiting adhesion of suspended matter
    KR-100628662-B1September 20, 2006포스낙(주)포토센서의 렌즈 보호구조
    KR-100698919-B1March 23, 2007(주) 케이엔엘카메라 하우징의 윈도우 먼지 제거장치
    US-8253791-B2August 28, 2012Voith Patent GmbhMonitoring device
    WO-2007090724-A1August 16, 2007Voith Patent GmbhDispositif de surveillance
    WO-2008141874-A2November 27, 2008Voith Patent GmbhDispositif pour maintenir propre un boîtier protecteur
    WO-2008141874-A3January 22, 2009Voith Patent Gmbh, Armin Bauer, Thomas Gruber-Nadlinger, Andreas Eichler, Franz Stelzhammer, Manfred GloserApparatus for keeping a protective housing clean