The present invention relates to a failure detecting device for an infrared (IR) sensor for a vehicle. The failure detecting device for the infrared sensor comprises: the IR sensor (10) having a thermistor (11) positioned on the interior thereof and detecting the surface temperature of a passenger in a vehicle or the surface temperature of the interior of the vehicle; an indoor temperature sensor (20) detecting the temperature of the indoor air of a vehicle; and a controller (30) diagnosing a failure of the IR sensor (10) using a temperature output from the thermistor (11) and the indoor temperature sensor (20). According to the present invention, whether the IR sensor has a failure can economically and accurately be diagnosed using the thermistor.
본 발명은 차량용 IR센서의 고장 진단장치에 관한 것으로, 내부에 서미스터(11)가 구비되며, 차량의 탑승자의 표면온도 또는 실내의 표면온도를 감지하는 IR센서(10)와; 차량의 실내 공기온도를 검출하는 실내온도센서(20) 및; 상기 서미스터(11)와 상기 실내온도센서(20)로부터 출력되는 온도를 각각 이용하여 상기 IR센서(10)의 고장을 진단하는 제어부(30)로 이루어지는 것을 특징으로 한다. 상기와 같은 구성에 의해 본 발명은 IR센서의 고장 여부를 내부 서미스터를 이용하여 경제적이면서도 정확하게 진단할 수 있다.
FAILURE DETECTING DEVICE FOR INFRA-RED SENSOR OF A VEHICLE
차량용 IR센서 고장 진단장치
2015-12-23
Patent
Elektronische Ressource
Koreanisch
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / G01J Messen der Intensität, der Geschwindigkeit, der spektralen Zusammensetzung, der Polarisation, der Phase oder der Pulscharakteristik von infrarotem, sichtbarem oder ultraviolettem Licht , MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT / G01K MEASURING TEMPERATURE , Messen der Temperatur |
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