冷水机组及其控制方法、装置、存储介质以及电子设备
By adding a gas-liquid separation device to the chiller unit and adjusting the opening of the electronic expansion valve and the electric butterfly valve, the problem of excessive aerodynamic noise at high outlet water temperature of the screw chiller unit was solved, achieving effective noise reduction and improved lubricating oil efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GREE ELECTRIC APPLIANCE INC OF ZHUHAI
- Filing Date
- 2023-11-09
- Publication Date
- 2026-07-17
AI Technical Summary
Screw chillers generate excessive aerodynamic noise under high outlet water temperature conditions, and conventional noise reduction measures are not very effective, affecting user experience.
By adding a gas-liquid separation device between the compressor and condenser of the chiller unit, and using level and temperature sensors to obtain the intermediate superheat, the opening of the electronic expansion valve and electric butterfly valve can be adjusted to control the ratio and superheat of the gas-liquid mixture and reduce aerodynamic noise.
It effectively reduced the aerodynamic noise of the chiller unit during operation, improved the lubricating oil return efficiency, stabilized the unit's operation, and improved the environmental noise problem.
Smart Images

Figure CN117553442B_ABST