Automotive Air Quality Sensors
Using MiCS Air Quality Sensors
This application note describes the appropriate integration of a MiCS Air Quality Sensor in a modern automobile. MiCS is the AQS brand of e2v technologies.
Important note : Reproduction and distribution of this document is restricted by e2v. The following specifications are subject to change to accommodate continuous improvement.
The AQS function
经济范畴
The Air Quality Sensor is bad on two miconductor gas nsors that detect pollution peaks in the traffic. It calculates an “Air Quality level” that is nt to the CPU of the HVAC. The HVAC can then open and clo the recirculation flap so as to minimize the pollution in the cabin.
Location in vehicle
The AQS module must be expod to a source of external air at all times. The location must be chon so as to maximize air renewal; dead spaces must be avoided. The best location is in the air intake BEFORE (upstream) the filter. When the flap is clod, it can create a “pocket” of stagnant air; for that reason, the AQS module should not be too “deep in the duct”.
Preferably, the filtering membrane should be facing downward. If this is not possible, it should be vertical, but should never be facing upward, to prevent accumulation of dust
妈妈对我说If the AQS module is attached with a bayonet to the air intake wall with its body “in the cabin”, the fixation should be sufficiently air tight so that no air from the cabin is pulled in front of the nsor head.
回族开斋节
水瓶座分手后
HVAC unit
Air inlet without AQS
天上鱼鳞斑
Air
inlet with AQS Detailed
王维田园诗view
First possibility : bayonet attachment
Second possibility : attachment with plastic snap-in clip
Electrical integration动漫人物壁纸
Connector reference : Tyco C-967642 coding “B”
黄灿灿
