Self-cleaning device for surface air cooler of air conditioner terminal unit

By designing a self-cleaning device for the surface cooler of the air conditioning terminal unit and adopting a vertical spray cleaning method, the problem of surface cooler cleaning has been solved, cleaning efficiency and stability have been improved, and maintenance costs and space occupation have been reduced.

CN224080839UActive Publication Date: 2026-04-03AF&C ENVIRONMENTAL TECH XIAMEN
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Cleaning the surface coolers of existing air conditioning terminal units is difficult, especially for large industrial air conditioners where the cost of cleaning and maintenance is high and the process is challenging, affecting the normal operation of the air conditioning system.

Method used

A self-cleaning device for the surface cooler of an air conditioning terminal unit was designed, including cleaning components, rails, support rods, pressurized spray pipes, motors, and drive wheels. It achieves efficient cleaning of the surface cooler by using a vertical spray cleaning method and a pressurized water pump to provide water pressure and volume.

Benefits of technology

It improves the cleaning efficiency and stability of the surface cooler, reduces maintenance costs and repair time, optimizes the internal space of the air conditioning unit, and reduces the impact on airflow channels.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an air conditioner terminal unit surface air cooler self-cleaning device which comprises a surface air cooler and a cleaning assembly on one side of the surface air cooler, and the cleaning assembly is provided with an installation component, a rail, a supporting rod, a vertical rod pressurizing spraying pipe, a motor, a transmission wheel, a belt, a linkage piece, a water inlet hose and a pressurizing water pump. The air conditioner terminal unit adopts double surface air coolers or a single surface air cooler. A two-way spraying cleaning assembly is arranged in the middle empty section of the double-surface air cooler to clean the double-surface air cooler. The single surface air cooler is cleaned in a'front spraying 'or'back blowing' mode, and a booster water pump achieves adjustment of cleaning water pressure and water quantity. The cleaning nozzles are uniformly distributed on the spraying pipe and move left and right along the track to complete cleaning, the nozzles do not need to spread all over the surface air cooler, the number is small, pipelines are few, and airflow channel resistance is small; the self-cleaning device moves between the upper track and the lower track in a limited manner, is slightly impacted by variable pressure of the spraying pipeline and runs stably; according to the actual arrangement of the surface air cooler self-cleaning device of the air conditioner terminal unit, the internal space of the self-cleaning air conditioner unit is optimized, the cost is reduced, and the maintenance time is saved.
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