Control method for turn-on time of heating pipe of air conditioner, controller and air conditioner

Abstract

The invention provides a control method for turn-on time of a heating pipe of an air conditioner, a controller and an air conditioner. The method comprises the following steps of: judging whether the air conditioner turns on a heating mode or not; after confirming that the air conditioner turns on the heating mode, obtaining an existing outdoor temperature T; when the existing outdoor temperature T meets a preset condition, controlling the air conditioner to enter a first defrosting period, enabling the heating pipe of the air conditioner to turn on and operate for preset time, and obtaining time of the first defrosting period when defrosting is ended; and when the air conditioner enters a next defrosting period, controlling a turn-on moment, within the next defrosting period, of the heating pipe of the air conditioner according to time of the nearest previous defrosting period. According to the control method for the turn-on time of the heating pipe of the air conditioner provided by the invention, turn-on time, within the next defrosting period, of the heating pipe is dynamically regulated according to time of the previous defrosting period, so that a chassis is guaranteed to freeze while energy conservation and emission reduction are realized.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of air conditioning, and in particular to a method for controlling the turn-on time of a heating tube of an air conditioner, a controller, and an air conditioner. Background technique [0002] When using a heat pump air conditioner for heating, when the outdoor ambient temperature is low and the relative humidity is high, the condenser of the outdoor unit is very easy to frost, resulting in poor heating effect in the strict room, so interval defrosting is required to To improve the indoor heating effect under low temperature and high humidity. [0003] When defrosting the condenser, on the one hand, based on the consideration of equipment safety, the drainage holes of the chassis of the outdoor unit of the air conditioner should not be opened too large or too many; The liquid water produced in the end solidifies and freezes quickly, and slowly blocks the drainage holes of the chassis, ...

AI Technical Summary

Problems solved by technology

[0003] When defrosting the condenser, on the one hand, based on the consideration of equipment safety, the drainage holes of the chassis of the outdoor unit of the air conditioner should not be opened too large or too many; The liquid water produced in the end freezes and freezes quickly, and slowly blocks the drainage holes of the chassis, which causes the chassis to freeze and eventually cause the defrosting to be unclean.

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