Induction hardening control system

Abstract

The present invention includes: a hardening control unit ( 70 ) for controlling an induction hardening apparatus ( 10, 10 A) based on setup conditions data regarding the induction hardening apparatus ( 10, 10 A); a hardening monitoring unit ( 20 ) that measures, as measurement data, the electric quantity in an electric circuit configured to include a high-frequency inverter ( 11 ), a capacitor ( 12 ), and a heating coil ( 14, 14 A, 14 B) and that monitors an induction hardening status; and a data collecting unit ( 80 ) that collects the data from various sensors in the induction hardening apparatus ( 10, 10 A, 10 B) obtained when the induction hardening apparatus ( 10 ) subjects the work ( 15, 15 A, 15 B) to an induction hardening based on the setup conditions data outputted from the hardening control unit ( 70 ) and that collects the measurement data from the hardening monitoring unit ( 20 ) to store the collected data from the various sensors and the measurement data so that the collected data from the various sensors and the measurement data are associated to each other.

1 . An induction hardening control system that is connected to an induction hardening apparatus configured so that a high-frequency inverter is connected to a capacitor and a heating coil and that controls an induction hardening to a work placed in the vicinity of a heating coil, comprising:
 a hardening control unit that controls the induction hardening apparatus based on setup conditions data regarding the induction hardening apparatus;   a hardening monitoring unit that measures, as measurement data, an electric quantity in an electric circuit configured to include a high-frequency inverter, a capacitor, and a heating coil to monitor an induction hardening status; and   a data collecting unit that collects data from various sensors in the induction hardening apparatus obtained when the work is subjected to the induction hardening by the induction hardening apparatus based on the setup conditions data outputted from the hardening control unit and that collects the measurement data from the hardening monitoring unit to store the collected data from the various sensors and the measurement data so that the collected data from the various sensors and the measurement data are associated to each other.   
     
     
         2 . The induction hardening control system according to  claim 1 , wherein the measurement data includes output current from the high-frequency inverter and a voltage generated in the heating coil. 
     
     
         3 . The induction hardening control system according to  claim 1 , wherein the measurement data includes a load impedance calculated based on output current from the high-frequency inverter and a voltage generated in the heating coil. 
     
     
         4 . The induction hardening control system according to  claim 1  or  2 , wherein the hardening monitoring unit calculates an effective value based on the output current from the high-frequency inverter and calculates an effective value based on the voltage generated in the heating coil to thereby monitor an induction hardening processing based on the respective calculated effective values. 
     
     
         5 . The induction hardening control system according to  claim 1  or  3 , wherein the hardening monitoring unit calculates an effective value based on the output current from the high-frequency and calculates an effective value based on the voltage generated in the heating coil to thereby calculate a load impedance based on the respective calculated effective values. 
     
     
         6 . The induction hardening control system according to  claim 1 , wherein the hardening monitoring unit and the hardening control unit are mutually connected via a communication means. 
     
     
         7 . The induction hardening control system according to  claim 1 , wherein the data collecting unit is connected to the hardening monitoring unit and/or the hardening control unit via a communication means.