PARTICLE DETECTION SENSOR, DUST SENSOR, SMOKE DETECTOR, AIR CLEANER, VENTILATOR AND AIR CONDITIONER

PROBLEM TO BE SOLVED: To provide a particle detection sensor capable of precisely detecting fine particles even on a heating system which generates an air flow using a heating device such as heater resistance.SOLUTION: A particle detection sensor 1 includes: a light projection element 10; and a ligh...

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Hauptverfasser:	INABA YUICHI, AKASAKA OSAMU, FUKUSHIMA HIROSHI, NAKAGAWA TAKASHI, NAKATANI TOMOHIRO, TSUJI KOJI, WATABE YOSHIFUMI, NAGATANI YOSHITADA, MATSUNAMI HIROKI, KAWAHITO KEIKO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ALARM SYSTEMS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING ORDER TELEGRAPHS PHYSICS SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a particle detection sensor capable of precisely detecting fine particles even on a heating system which generates an air flow using a heating device such as heater resistance.SOLUTION: A particle detection sensor 1 includes: a light projection element 10; and a light receiving element 20 for detecting particles contained in a gas by receiving scattered light from a light projection element 10 due to particles in a detection area DA with a light receiving element 20. The particle detection sensor 1 includes: a heating device 50 for heating the gas; and a reflector 40 that reflects scattered light and guides the scattered light to the light receiving element 20. 【課題】ヒータ抵抗等の加熱装置によって気流を発生させる加熱方式であっても、微粒子を高精度で検出できる粒子検出センサを提供する。【解決手段】投光素子１０と受光素子２０とを備え、検知領域ＤＡにおける粒子による投光素子１０の光の散乱光を受光素子２０で受光することにより気体中に含まれる粒子を検出する粒子検出センサ１であって、気体を加熱する加熱装置５０と、散乱光を反射して当該散乱光を受光素子２０に導く反射体４０とを有する。【選択図】図１