Load prediction and condition constraint-based control method for air conditioner cold source energy efficiency model

Abstract

The invention discloses a load prediction and condition constraint-based control method for an air conditioner cold source energy efficiency model. The control method comprises the following steps ofestablishing a cooling load prediction model; respectively establishing a water cooled host energy consumption model, a cooling tower energy consumption model, a chilled water pump energy consumptionmodel and a cooling water pump energy consumption model according to constraint conditions; establishing the central air conditioner cold source energy efficiency model according to the water cooled host energy consumption model, the cooling tower energy consumption model, the chilled water pump energy consumption model and the cooling water pump energy consumption model; and performing initialization assignment on the central air conditioner cold source energy efficiency model by the cooling load prediction model to enable the central air conditioner cold source energy efficiency model to perform optimum operating parameter setting on an central air conditioner. According to the embodiment of the invention, by changing control over an central air conditioner system into integral control over a construction cold energy demand model from single parameter control, and by analyzing energy efficiency conditions under different working conditions from the aspect of global energy efficiencyof a cold source, optimum operating parameter setting on the central air conditioner is realized, and therefore, energy conservation in a real sense is achieved.

Description

technical field [0001] The invention relates to the technical field of air-conditioning control, in particular to an energy-efficiency model control method of an air-conditioning cold source based on load prediction and condition constraints. Background technique [0002] The energy-saving technology of central air-conditioning has received extensive attention because of its huge economic and social benefits. Many companies and scientific researchers have conducted research on central air-conditioning energy-saving technology, and have experienced many technological innovations: in the early stage, water pump energy-saving transformation was the main focus, and central air-conditioning water pump frequency conversion energy-saving control technology was adopted, and a single pressure difference or temperature difference control; Through advanced computer software processing, modular control combined with frequency conversion technology, multi-point signal acquisition and pro...

AI Technical Summary

Problems solved by technology

However, it is often difficult to establish an energy efficiency model for the control system, so it has a certain degree of blindness in the optimization calculation, the applicability is not strong, and the scope is limited to a certain extent

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