Air conditioner control method, control device and air conditioner

• Main Authors: ZHANG MING, LI ZHAOYONG, WANG HAISHENG
• Format: Patent
• Language: Chinese; English
• Published: 04.01.2022
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; RANGES; VENTILATING; WEAPONS

The invention discloses an air conditioner control method, a control device and an air conditioner. The method comprises the steps of: in the heating operation process of the air conditioner, at least when the air conditioner meets a preset frosting condition, starting up a pressure regulating bypass branch; and when the pressure regulating bypass branch is started up, opening a subcooler bypass valve in a refrigerant circulating system, increasing a target high pressure of the system, and controlling a compressor according to the increased target high pressure of the system. The control device comprises corresponding structural units for implementing the control method; and the air conditioner comprises a memory, a processor and a computer program stored in the memory, and the processor executes the computer program to implement the air conditioner control method. By the adoption of the air conditioner control method, the control device and the air conditioner, frosting of an outdoor unit heat exchanger is r