Multifunctional frequency conversion central air-conditioning experimental platform

Abstract

The invention discloses a multifunctional frequency conversion central air-conditioning experimental platform, which comprises a refrigerating system, a control system and a simulated room, wherein the refrigerating system comprises a refrigerating unit, a chilled water system and a cooling water system; the control system comprises an upper computer, a lower computer and a frequency converter; amonitoring module in the upper computer is used for acquiring operating temperatures, pressure and flow signals of the experimental platform through the lower computer and transmitting a control command to monitor operation of the refrigerating system through the lower computer or the frequency converter; a matrix laboratory (MATLAB) module in the upper computer can execute an optimization control algorithm, and the MATLAB module and the monitoring module perform data exchange through a dynamic data exchange (DDE) mechanism or an object linking and embedding standard for process control (OPC); and the refrigerating unit comprises a frequency conversion compressor, a condenser, and an air-cooled evaporator and a water-cooled evaporator which are connected in parallel. By the experimental platform, refrigerating effects of the air-cooled evaporator, the water-cooled evaporator and a varied refrigerant volume (VRV) multi-air-conditioning system can be researched simultaneously, and a verification platform can be provided for a large frequency conversion central air conditioner to execute an energy-saving optimal advanced control strategy.

Description

Technical field [0001] The invention relates to a multifunctional frequency conversion central air conditioner experiment platform. Background technique [0002] With the development of my country's economy, central air-conditioning has been widely used in high-rise buildings such as hotels, hospitals, and large shopping malls. However, the widespread use of central air-conditioning has brought a lot of energy consumption, which accounts for a large part of building energy consumption. In addition, the installed capacity of central air conditioners in my country at this stage is often higher than the required load, and most of them have not implemented advanced control for energy conservation optimization, resulting in serious energy consumption. Therefore, it is of great significance to develop a multi-functional experiment platform for variable frequency central air conditioners that can be monitored to provide a verification platform for large central air conditioners to impl...

AI Technical Summary

Problems solved by technology

However, the wide application of central air-conditioning brings a lot of energy consumption, which accounts for a large part of building energy consumption.

In addition, at this stage, the installed capacity

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