High-frequency heating control device for hot drawing roller

• Main Authors: ZHANG YONGSHENG, YAN LI, WEI YONGMING, ZHANG ZHI, LUO MINGXU, JIANG XIN, QIAO XIANZHUO, SHI KE, ZHENG GANG, JIA ZHIPENG
• Format: Patent
• Language: Chinese; English
• Published: 17.12.2008
• Subjects: ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY

The utility model discloses a high frequency heating control device of a heat-stretching roller with high heating efficiency, rapid temperature increase, simple and convenient power adjustment and constant control of surface temperature. The high frequency heating control device is provided with a microprocessor, an upper computer communication interface, a display setting communication interface, a fault alarm output circuit and a data processing circuit of a temperature transmitter are connected with the microprocessor, the output of the microprocessor is connected with a heating control output circuit, the heating control output circuit is connected with an IGBT module through an IGBT driving control circuit, a PWM waveform generation circuit, a PWM waveform distribution circuit, a dead zone protection circuit and a direct current control power supply circuit are connected with the IGBT driving control circuit, and a high-voltage rectifier filter circuit is connected with the IGBT module.