Fresh air top air supply and top air return design structure based on residential radiation air conditioning system

By adopting a top-mounted air supply and return design in residential buildings, the ceiling structure of the fresh air conditioning system and the capillary radiant air conditioning system is integrated, the layout of the keel and pipes is optimized, and the floor height restriction problem caused by the floor air supply design is solved, achieving higher space utilization and economic benefits.

CN224200126UActive Publication Date: 2026-05-05NANJING YANGTZE RIVER URBAN AGCHITECTURAL DESIGN
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Patent Information

Application Number
CN202322313466.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-08-28
Publication Date
2026-05-05
Estimated Expiration
2033-08-28

AI Technical Summary

Technical Problem

The existing capillary radiant air conditioning system combined with a centralized fresh air conditioning system in residential buildings uses a floor-mounted air supply design, which limits the floor height of the residential buildings and affects space utilization and economic efficiency.

Method used

The design adopts top air supply and top air return, integrating the supply and return air ducts of the centralized fresh air air conditioning system with the capillary ceiling structure of the capillary radiant air conditioning system, controlling the height occupied by the ceiling, and optimizing the duct layout through card-type light steel keel and rubber and plastic insulation materials to reduce the ceiling height.

Benefits of technology

While ensuring the comfort of the living environment, the building height is reduced, the building volume ratio is increased, and an additional floor is built for residential buildings with a height limit of 80m, thereby increasing the total building area and bringing economic benefits.

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Abstract

The utility model discloses a fresh air top air supply and top air return design structure based on a residential radiation air conditioning system. The fresh air top air supply and top air return design structure comprises a ceiling structure composed of a keel structure layer, a gypsum board, a capillary network, a gypsum mortar layer and a putty emulsion paint layer. The height of the suspended ceiling structure is not greater than 100mm; a capillary main pipe is laid in the keel structure layer between the gypsum board and the floor, and capillary tubes in the capillary network penetrate through the gypsum board to be communicated with the capillary main pipe; fresh air pipelines are laid in the keel structure layer between the gypsum board and the floor slab and comprise an air supply pipeline and an air return pipeline, the air supply pipeline and the air return pipeline are provided with an air supply opening and an air return opening respectively, and holes used for installing the air supply opening and the air return opening are formed in the gypsum board; on the premise of ensuring the indoor clear height of 2.60 m, the floor height of the residence can be designed to be 2.95 m, for a residence building with the limited height of 80 m, one more floor can be built compared with a floor air supply design, the plot ratio of the building is increased, and large economic benefits are brought.
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