Control method and device for air conditioning chilled water plate heat exchanger system
By collecting the operating parameters of the air conditioning chilled water plate heat exchanger system and dynamically adjusting the preset threshold of the supply and return water pressure difference in the primary side main pipe, the problem of primary side pressure optimization based on changes in cooling load in existing technologies is solved, thereby improving the heat exchange efficiency and stability of the system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- TSINGHUA UNIVERSITY
- Filing Date
- 2026-04-21
- Publication Date
- 2026-07-17
AI Technical Summary
In existing technologies, plate heat exchangers in air conditioning systems only perform passive differential pressure regulation on the secondary side piping, making it difficult to dynamically optimize and regulate the primary side pressure according to changes in cooling load, resulting in low system operating efficiency.
By collecting the operating parameters of the air conditioning chilled water plate heat exchanger system, determining the adjustment value and executing control actions, the preset threshold of the supply and return water pressure difference of the primary side main pipe is dynamically adjusted. Combined with the number of plate heat exchangers in the zone and the total number of fully open heat exchangers, fine-grained control is achieved, thereby improving heat exchange efficiency and operational stability.
It enables automatic adjustment of the supply and return water pressure difference of the primary side main pipe under different cooling conditions, improving heat exchange efficiency and operational stability, and reducing system energy consumption.
Smart Images
Figure CN122408200A_ABST