A device and control method for automatic dust removal of an outdoor unit of an air conditioner

Abstract

The invention discloses an automatic dedusting device for an outdoor unit of an air conditioner, and relates to the technical field of cleaning and dedusting heat exchangers for air conditioners, including an outdoor machine cover, slide rails, a mobile cleaner, a swing arm, a water guide pipe, a connecting pipe, a water pump, Steering gear and sewage tank; slide rails are connected to both sides of the outdoor machine cover, and sewage tanks are connected to the bottom of the slide rails; both ends of the mobile cleaner are connected to the slide rails, the connecting pipe is connected to the mobile cleaner, and the water guide pipe The first end is connected with the connecting pipe, and the second end of the water guide pipe is connected with the water pump; the mobile cleaner is also movably connected with the swing arm, and the second end of the swing arm is connected with the steering gear. The working mode of the present invention includes the normal working mode of the heat exchanger when the dust removing device is not started and the automatic dust removing working mode of the heat exchanger when the dust removing device is started. The invention can remove the granular dust and catkin fiber accumulated on the windward surface of the heat exchanger together, and significantly improve the dust removal effect on the surface of the heat exchanger of the outdoor unit.

Description

technical field [0001] The invention relates to the technical field of cleaning and dust removal of a heat exchanger for an air conditioner, in particular to an automatic dust removal device and a control method for an outdoor unit of an air conditioner. Background technique [0002] After long-term operation of the heat exchanger of the outdoor unit of the air conditioner, a large amount of dust will accumulate on the windward surface, resulting in attenuation of the performance of the heat exchanger of the outdoor unit; the form of dust usually includes granular dust and catkin fiber. In order to ensure that the performance of the air conditioner will not be seriously attenuated after long-term operation, it is necessary to remove dust from the heat exchanger of the outdoor unit in time. [0003] The dust removal methods of the outdoor unit heat exchanger include manual dust removal and automatic dust removal. The manual dust removal method has the problem that the dust r...

AI Technical Summary

Problems solved by technology

[0004] The existing automatic dust removal method for the heat exchanger of the outdoor unit only uses a single blowing method to sweep the particulate dust on the windward surface of the heat exchanger, but cannot remove the catkin fibers wrapped around the windward surface of the heat exchanger; The reason is that the diameter of the heat exchange tubes in the heat exchanger is small, and the catkin fibers are easy to fall on the heat exchange tubes on the windward side of the heat exchanger and wind up on the heat exchange tubes. catkin fiber blown off

The Chinese invention patent with the publication number CN104729016A discloses a method of dust removal by reversing the fan of the outdoor unit. The purpose of the invention is to sweep the particulate dust on the surface of the heat exchanger of the outdoor unit; When the heat exchange tube on the side is wound with catkin fibers, this method will not be able to blow off the catkin fibers

The Chinese invention patent with the publication number CN102278803B provides a preset dust removal mode. When the current operating parameters of the air conditioner meet the requirements of the preset dust removal mode, the outdoor fan will be started in reverse to remove dust; but this method also cannot Effectively remove catkin fibers entangled on the surface

Images