An air filter device for the return air outlet of the central air conditioner

Abstract

The invention discloses an air filtering device at an air return port of a central air conditioner indoor unit. On the premise that normal use of an air conditioner is unaffected, the air filtering device is automatically cleaned, so that manual cleaning frequency of the air filtering device is lowered. The air filtering device comprises a filtering box with an airtight cavity, an air outlet, an air inlet, an air filtering net plate and an automatic cleaning device, the air outlet is arranged on the top face of the filtering box and communicated with the air return port of the central air conditioner indoor unit, the air inlet is arranged on the side face of the filtering box, the air filtering net plate is arranged on the side face of the filtering box and used for sealing and covering the air inlet, and the automatic cleaning device is arranged on the filtering box and used for cleaning the air filtering net plate.

Description

technical field [0001] The invention relates to a filter device, in particular to an air filter device for an air return port of a central air conditioner inner unit. Background technique [0002] At present, the filter screen device of the return air outlet of the central air conditioner internal unit is used to prevent dust from invading into the main body of the central air conditioner internal unit. At present, the filter screen device of the return air outlet of the central air conditioner has the characteristics of convenient assembly and disassembly, thereby ensuring that the filter screen device can be manually cleaned of dust attached to the filter screen device. The filter screen device of the return air outlet of the current central air-conditioning unit needs to be cleaned frequently, otherwise the filter screen device is likely to be blocked. On the other hand, the filter screen device of the return air outlet of the current central air-conditioning internal un...

AI Technical Summary

Problems solved by technology

The current filter device of the return air outlet of the central air conditioner needs to be cleaned frequently, otherwise the filter device will be easily blocked

On the other hand, the filter screen device of the return air outlet of the current central air-conditioning internal unit will be gradually blocked during use, resulting in a decrease in the air volume entering the central air-conditioning internal unit, a decrease in the ability to adjust the air, and an increase in power consumption.

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