High-altitude light-heat photovoltaic coupling direct-drive purification air conditioning system

By using a photovoltaic-thermal coupling direct-drive purification air conditioning system, and utilizing components such as cross-flow plate sensible heat exchangers and microchannel aluminum flat tubes, the problems of insufficient fresh air quality flow and power fluctuations in air conditioning systems at high altitudes have been solved, achieving efficient energy utilization and safe protection of the unit.

CN122447769APending Publication Date: 2026-07-24JIANGSU YIFUSTE AIR CONDITIONING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU YIFUSTE AIR CONDITIONING CO LTD
Filing Date
2026-06-05
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

In high-altitude areas, conventional air conditioning systems face problems such as insufficient fresh air quality flow, decreased heat exchange efficiency, large fluctuations in photovoltaic power output, and susceptibility to sandstorms and freezing damage, lacking effective environmental awareness and protection measures.

Method used

It employs a photovoltaic thermal acquisition module, an air-cooled circulation cooling module, a supercapacitor energy storage module, an air conditioning energy coupling heat exchange module, an intelligent frequency conversion control module, and an anti-frost and anti-freeze protection module. Through a cross-flow plate sensible heat exchanger, a microchannel aluminum flat tube, a direct-drive frequency conversion fan, and intelligent frequency conversion control, it achieves fresh air cooling, energy coupling, and protection.

Benefits of technology

It improved the mass flow rate of fresh air heat exchange, reduced power loss, stabilized bus voltage, and enhanced the mechanical and structural safety of the unit in extreme environments.

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Abstract

The application relates to the fields of air conditioning and micro-grid control, and discloses a high-altitude photothermal photovoltaic coupling direct-drive purification air conditioning system which comprises a photovoltaic photothermal collection module, an air-cooled circulation cooling module, a super capacitor energy storage module, an air conditioning energy coupling heat exchange module, an intelligent variable frequency control module and a frost and freeze protection module. The air pressure and temperature sensor senses the change of the air physical properties on the plateau, dynamically adjusts the operation frequency of the direct-drive variable frequency fan to compensate the air supply mass flow; the public DC bus is directly connected with the photovoltaic, energy storage and air conditioning variable frequency load, the digital filter and the super capacitor group are combined to stabilize the DC bus voltage, and the multi-stage power transformation cascade power loss is reduced; the multi-dimensional sensor monitors the environmental wind, snow and dust load, the full return air circulation mode is switched and linked, the photovoltaic support inclination is adjusted to physically unload, and the mechanical and structural safety of the system under the complex meteorological environment is improved.
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