Controller, air conditioner and high-voltage protection circuit

• Main Authors: QIU GUOJIAN, ZHANG LUSI, LYU YONGSONG
• Format: Patent
• Language: Chinese; English
• Published: 21.01.2022
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; BLASTING; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; GENERATION; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The embodiment of the utility model provides a controller, an air conditioner and a high-voltage protection circuit. The controller comprises a first rectifying unit, a power conversion unit, an HPS wiring terminal, a low-voltage control unit and a high-voltage working unit. The input end of the first rectifying unit can be electrically connected with an input power supply; the output end of the first rectification unit is electrically connected with the input end of the power conversion unit; the output end of the power conversion unit is electrically connected with the input end of the low-voltage control unit; the HPS wiring terminal can be electrically connected with the pressure switch; the HPS wiring terminal is connected to the front end of the power supply input side of the low-voltage control unit and can cut off or switch on the power supply voltage of the low-voltage control unit; the output end of the low-voltage control unit is connected to the control end of the high-voltage working unit to cont