Method and system for power control of ionic cleaners for ice machines using pulse width modulation

Abstract

A method for decontaminating air in an ice making machine, comprising: controlling the level of ozone outputted from an ozone generator by modulating the voltage using pulse width modulation; and contacting the air with the ozone.

1 . A method for decontaminating air in an ice making machine, comprising:
 controlling the level of ozone outputted from an ozone generator by modulating the voltage using pulse width modulation; and   contacting said air with said ozone.   
     
     
         2 . The method according to  claim 1 , wherein said level of ozone is about less than 0.1 ppm. 
     
     
         3 . The method according to  claim 1 , wherein said pulse width modulation controls the level of said ozone by controlling or manipulating the grams per hour of ozone introduced from said ozone generator into said ice making machine. 
     
     
         4 . The method according to  claim 1 , further comprising: comparing the model of said ice making machine to a look-up table; and determining the percentage of said pulse width modulation require to control said voltage by calculating the ‘on’ time and frequency for a pulse width modulation driver transistor based upon said model. 
     
     
         5 . The method according to  claim 1 , wherein said modulated voltage produced from said pulse width modulation is generated by an ozone control signal from a processor module and a pulse width modulation circuit. 
     
     
         6 . The method according to  claim 5 , wherein said pulse width modulation circuit comprises at least one driving resistor and a field effect transistor. 
     
     
         7 . The method according to  claim 6 , wherein said field effect transistor is a metal oxide semiconductor field effect transistor. 
     
     
         8 . An ice making machine comprising:
 an condenser;   a compressor;   an evaporator disposed within an ice making zone; and   an ozone generator in communication with said ice making zone,   
       wherein the level of ozone outputted from said ozone generator is controlled by modulating the voltage using pulse width modulation; and contacting air withdrawn from said ice making zone with said ozone and returning it to said ice making zone. 
     
     
         9 . The ice making machine according to  claim 8 , wherein said level of ozone is about less than 0.1 ppm. 
     
     
         10 . The ice making machine according to  claim 8 , wherein said pulse width modulation controls the level of said ozone by controlling or manipulating the grams per hour of ozone introduced from said ozone generator into said ice making zone. 
     
     
         11 . The ice making machine according to  claim 8 , further comprising: 
       comparing the model of said ice making machine to a look-up table; and 
       determining the percentage of said pulse width modulation require to control said voltage by calculating the ‘on’ time and frequency for a pulse width modulation driver transistor based upon said model. 
     
     
         12 . The ice making machine according to  claim 8 , wherein said modulated voltage produced from said pulse width modulation is generated by an ozone control signal from a processor module and a pulse width modulation circuit. 
     
     
         13 . The ice making machine according to  claim 12 , wherein said pulse width modulation circuit comprises at least one driving resistor and a field effect transistor. 
     
     
         14 . The ice making machine according to  claim 13 , wherein said field effect transistor is a metal oxide semiconductor field effect transistor.