Title: Single chip apparatus water saving controller for coin-freed timing instant heating electric water heater
Application Number: 200610053723 Application Date: 2006.10.08
Publication Number: 1949279 Publication Date: 2007.04.18
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: G07F15/12
Applicant(s) Name: Tan Qiren Address:
Inventor(s) Name: Tan Qiren
Attorney & Agent:
Abstract:
    The invention relates to MCU water saving control device of coin casting timing heating water heater. The feature is that it has flat bit and coin casting switch circuit. The flat bit is a sensitive switch containing two states of connecting and disconnecting. One end connects to the input of MCU and the common end is connected to ground. The coin casting switch circuit connects to the input of MCU, and the output end of MCU connects to electric heating power supply control circuit and time display circuit. The invention is mainly used in public bathroom and student dormitory bathroom. It is benefit to save water and has low installing cost.
Time: 7
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