Filter screen automatic sweeping device of air conditioner indoor unit

Abstract

The invention relates to a filter-screen-automatically-cleaning device of an air-conditioning indoor unit. The filter-screen-automatically-cleaning device comprises a motor, a filter screen arranged on a filter-screen bracket and a brush. The filter-screen bracket is provided with a brush traveling mechanism which comprises a cable or a chain connected with the brush, and the cable or the chain is connected with a traveling motor which is arranged on the filter-screen bracket. The brush is arranged on a brush bracket and connected with the surface of the filter screen, the brush bracket is sleeved on a guide rail by a guide sleeve in a sliding way, the guide rail is transversally arranged on the filter-screen bracket, and the brush bracket is connected with the cable or the chain, the upper and lower ends of the brush bracket are respectively sleeved in the guide rails at the upper and lower ends of the filter-screen bracket by the guide sleeves in a sliding way. The shape of the section of the brush is similar to the shape of the section of the filter screen. The filter-screen bracket is also provided with a suction-nozzle dust-cleaning mechanism which comprises a suction nozzle with a suction opening facing towards the brush. The suction nozzle is arranged in a suction nozzle chute in a sliding way. The filter-screen-automatically-cleaning device is characterized by high cleaning efficiency, good cleaning effect and wide application scope.

Description

technical field [0001] The invention relates to an indoor unit of an air conditioner, in particular to an automatic cleaning device for a filter screen of the indoor unit of the air conditioner. Background technique [0002] In order to prevent dust from adhering to the heat exchanger, the indoor unit of the existing air conditioner is generally provided with an air filter screen above or in front of the heat exchanger. Thermal efficiency, so it needs to be cleaned from time to time. However, since wall-mounted air conditioners are generally installed at high places, it is difficult to remove and wash the filter screen. In response to this situation, some manufacturers have made some improvements, such as a filter screen cleaning device disclosed in Chinese Patent Document No. CN2922995Y, which is characterized in that: it includes a motor, a drive rod and a dust removal brush, and the motors are arranged at a distance from each other in an arc-shaped filter. On the inner ...

AI Technical Summary

Problems solved by technology

[0003] This filter screen cleaning device can only clean the filter screen of a single radian because the length of its driving rod is fixed. Larger, narrower scope

Moreover, the position of the motor is fixed, and the length of the drive rod is fixed, so it can only clean the filter screen with a small length range, and cannot effectively clean the entire filter screen

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