Control circuit

• Main Authors: YANG LI, FENG YUQIANG, KIM SUNG-LIM, XU XUEYANG, ZHAO KEXIN
• Format: Patent
• Language: Chinese; English
• Published: 21.03.2023
• Subjects: CONTROL OR REGULATING SYSTEMS IN GENERAL; CONTROLLING; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS; PHYSICS; REGULATING

The invention relates to the field of circuit control, in particular to a control circuit. The embodiment of the invention provides a control circuit of a control device so as to solve the problems proposed in the background technology. The control circuit comprises a strong current part and a control unit, the strong current part comprises a starting power supply and protection part, a pressure regulating pump power supply part, a vacuum pump power supply part, a motor lifting power supply part and a 24V switching power supply part, and the control unit comprises a pressure control part, a frequency conversion part, a water path monitoring part and a power meter heating part. The starting power supply and protection part, the pressure regulating pump power supply part, the vacuum pump power supply part, the motor lifting power supply part and the 24V switching power supply are connected with three-phase power, and the voltage control part, the frequency conversion part, the water path monitoring part and the