Energy-saving management system for ice storage central air conditioner

Abstract

The invention discloses an energy-saving management system for an ice storage central air conditioner and relates to the field of central air conditioners. The energy-saving management system comprises a work station, a machine room system control cabinet and a tail end area control cabinet, wherein through centralized control over the tail end of an air conditioner area, data on the spot and data in the air conditioner are collected in real time and are timely fed back to a DDC (Direct Digital Controller), and the DDC changes synchronously along with the requirements of the load of the tail end so as to realize optimal management of the tail end; the highly-efficient energy-saving management system for the ice storage central air conditioner has four working modes respectively including direct refrigeration, ice storage, de-icing refrigeration and united cold supply. According to the energy-saving management system, peak-valley electricity price at night is utilized, cooling capacity is stored in a form of ice, the ice storage cooling capacity is used up during peak hour, and start-up of a host is reduced as possible or less start-up of the host is provided, so that the effect of saving resources is achieved; through intelligent control, program selection is optimized, the even running of each piece of equipment is guaranteed, and the service life of the equipment is greatly prolonged.

Description

technical field [0001] The invention relates to the field of central air-conditioning, in particular to an ice-storage central air-conditioning energy-saving control system. Background technique [0002] With the outbreak of the energy crisis, more and more attention has been paid to low-carbon energy conservation. As a vital part of modern building systems, central air-conditioning also accounts for a large proportion of energy consumption. How to improve the power utilization rate of central air-conditioning systems is Problems that need to be solved urgently. [0003] Ice-storage central air-conditioning is to transfer the electricity consumption of air-conditioning from the daytime peak period to the night-time trough period, balance the load of the urban power grid, and use the excess off-peak power of the night power grid to continue to operate the refrigerator for cooling, store it in the form of ice, and use it during the daytime peak power consumption When the ice ...

AI Technical Summary

Problems solved by technology

[0004] Most of the central air conditioners in the prior art achieve the purpose of energy saving through equipment energy saving, which cannot minimize energy consumption, and the running time of the equipment in the central air conditioner is uneven, which will shorten the life of the equipment and cause unnecessary waste

Images