Patent KR-20030090464-A (KR)
Title: Control circuit for manufacturing silver ionized water
Inventor: KIM BU YEON
IPC: C02F1/46
Filed: 2002-05-24
Abstract: PURPOSE: A control circuit of silver ionized water manufacturing machine is provided, which performs controlling of impressed voltage although current change factors are generated so that silver ionized water is manufactured according to user set concentration by constant current control method for continuously flowing a constant current to silver electrode elements. CONSTITUTION: The control circuit of silver ionized water manufacturing machine comprises a main control part(10) electrically connected to at least one pair or more of silver electrode elements and each part of control circuit to control ionization process according to constant current control method by outputting control signals so that a constant current is consistently supplied to the at least one pair or more of silver electrode elements installed inside container according to silver ionized water concentration setting of user until it reaches a concentration set by the user, display concentration set by the user, display current concentration of anions and ionization time according to ionization process and control output of an audio signal for informing completion of the ionization process and warning of impurities; an adjusting button part(20) for supplying a power supply for operating the silver ionized water manufacturing machine, setting concentration of silver ionized water, setting electrolysis and outputting user key signals to the main control part to select an operation mode for checking concentration and ionization time of the silver ionized water; a display driving part(30) for displaying concentration setting according to operation of the adjusting button part of the user according to control of the main control part and outputting control signals for displaying silver concentration and ionization time according to the ionization process; a display part(40) for displaying concentration setting of silver ionized water set by the user according to display control signals outputted from the display driving part and selectively displaying the silver concentration and ionization time according to the ionization process of the at least one pair or more of silver electrode elements; a power supply part(50) for supplying the converted DC power supply by converting commercial AC power supply impressed from the outside into DC power supply; a voltage control part(60) for alternately supplying a certain voltage using the at least one pair or more of silver electrode elements installed inside the container according to control of the main control part; a current control part(70) for supplying a certain current using the at least one pair or more of silver electrode elements installed inside the container according to control of the main control part; a sensing part(80) for outputting the sensed values to the main control part by sensing present concentration of silver ionized water under the ionization process, impurity content of the aqueous solution inside the container, voltage fluctuation and temperature variation according to control of the main control part; and a speaker(90) for outputting an audio signal for informing completion of ionization process and warning of impurities of the user according to control of the main control part.