| 摘要 |
PURPOSE: Provided is a device for informing filter replacing time of a water purifier which generates a preliminary signal when a filter replacing time approaches by accumulating each filter member using time and generates a replace signal at the replace time. CONSTITUTION: The device comprises a memory part(4) accumulating each filter member's(2) install time installed to a water purifier and storing the accumulated time, a control part(6) determining each filter member's replacement time by comparing the stored accumulated time with the filter's life span, a preliminary signal display part(8) preliminary informing the filter's replacement time when the accumulated time approaches to a certain time range of the life span, a replacement display part(10) informing the filter replacement when the accumulated time is the same as the filter life span and a reset switch(12) restoring the install time of each filter member to an initial value after replacing the filter member.
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