Energy-saving control method and system for central air conditioner

Abstract

The invention discloses an energy-saving control method and system for a central air conditioner. The method comprises the following steps of: acquiring room information in a building, coding and building a database for an air conditioner pipeline and an air outlet, determining refrigerating capacity air speed, and performing intelligent air-conditioning service. The system comprises an indoor airdata acquisition module, a pipeline data acquisition module, a storage module, a pipeline coding database-building module, a refrigerating data processing module, an intelligent air-conditioning service module and a communication module. The energy-saving control method realizes controlling an indoor temperature to save energy consumption to the greatest extent within a permissible range, monitors a refrigerating air-feeding state of each room in real time, can perform dynamic analysis on the central air conditioner, and provides a method for quickly checking and positioning an abnormal condition. The system is accurate and efficient, has a relatively high practical value and a wide application prospect.

Description

technical field [0001] The invention relates to the technical field of energy-saving control, in particular to a method and system for central air-conditioning energy-saving management and control. Background technique [0002] The central air-conditioning system consists of one or more cold and heat source systems and multiple air-conditioning systems. This system is different from traditional refrigerant-type air-conditioning systems (such as single-body units, VRV) to centrally process air to meet comfort requirements. The principle of liquid vaporization refrigeration is used to provide the required cooling capacity for the air conditioning system to offset the cooling load of the indoor environment; the heating system provides the required heat for the air conditioning system to offset the heat load of the indoor environment. The refrigeration system is a crucial part of the central air-conditioning system, and its type, operation mode, and structural form directly affe...

AI Technical Summary

Problems solved by technology

[0003] Existing central air conditioners generally use the method of matching the room with the air conditioner's external unit. When the room is opened, the corresponding external unit is turned on. It is impossible to effectively control the cooling capacity and wind speed of each room, and it is impossible to accurately control the temperature range and change of each room. The speed is high, the user experience is not good, and the total cooling capacity cannot be effectively used. There will be redundant cooling capacity and wind speed, and energy saving and emission reduction cannot be achieved.

[0004] In addition, the existing central air-conditioning pipelines are arranged too much. Once a pipeline is damaged, it is difficult to check and locate accurately.

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