Air conditioner defrosting method, device and equipment, air conditioner and storage medium

The invention provides an air conditioner defrosting method, device and equipment, an air conditioner and a storage medium, and the method comprises the steps that if a defrosting instruction is detected, the current defrosting period is determined; according to the current defrosting period and a preset duration range, a closing control strategy of a control valve used for controlling separation of an indoor unit and an outdoor unit is determined; and according to the closing control strategy, closing of the control valve is controlled, so that when the control valve is closed, separation of the indoor unit and the outdoor unit is achieved, the outdoor unit forms a defrosting loop to conduct defrosting, the defrosting efficiency of the outdoor unit is improved, and meanwhile due to the fact that the indoor unit is separated from the outdoor unit, the defrosting efficiency of the outdoor unit is improved. The indoor unit heat exchanger does not absorb heat, the environment temperature is prevented from being