| 摘要 |
PURPOSE: A system for notifying replacement time of air filter for air conditioning is provided to allow a driver to easily recognize time to replace the air cleaner. CONSTITUTION: A system includes a flux sensor(10) installed on a downstream side of an air filter(3) to measure flux of air passing the air filter; a control part(5) storing data showing flux of air passing the air filter on initial stage and outputting actuating signal according to flux of air detected by the flux sensor; and an alarm device(7) generating fixed signal indicating time to replace the air filter according to actuating signal of the control part.
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