Urban intelligent energy resource management system

Abstract

The invention discloses an urban intelligent energy resource management system. By the system, on the premise that air conditioner using comfort of end users in an energy source supply area is guaranteed, hydraulic balance of a whole energy supply pipeline system is realized, unnecessary loss of the system is reduced, improving of operation level of building equipment is assisted, and maintaining and managing personnel and huge expense are reduced. A method adopted by the system includes: setting up a simulation system; predicting load of the end users in advance; setting optimal running state of the whole system; feeding back in real time to control the system for real-time optimization adjustment so as to achieve the objective of optimal and most energy-saving operation.

Description

technical field [0001] The invention relates to an energy management system. Background technique [0002] Urban energy supply includes power supply, cooling, heating, gas supply, hot water supply, etc. This time, a new urban smart energy management method is proposed for the city's cooling and heating systems. The cooling and heating supply of the city refers to the centralized preparation of cold water or hot water by a special energy center for the building groups in a specific area, and the cooling and heating supply to the regional building monomers through the regional pipe network. [0003] Urban cooling and heating systems have complex and changeable characteristics. During the daily operation of the system, affected by external environmental conditions and usage conditions, the operating status is constantly changing every moment. In response to this change, in order to achieve the purpose of saving energy, the conventional urban energy supply system mostly adopts ...

AI Technical Summary

Problems solved by technology

[0007] Existing problems: If changes in outdoor climate and indoor temperature and humidity do not affect the switch of the electric two-way valve or the opening of the electric control valve, the circulating water pump will not operate with variable flow, which often results in waste of energy; The more favorable switch or adjustment at the end of the user will hardly affect the pressure difference of the most unfavorable loop, and the circulating water pump will not operate with frequency modulation

[0009] Existing problems: The temperature signal on the secondary side water supply main pipe has a certain delay, and it is impossible to feed back the most real usage situation of the end user in time; the change of the flow rate of the secondary pump of one of the users will affect the change of the flow rate of the main network system. The change of network system traffic will affect the change of other branch user traffic, and the branch systems affect each other and interfere with each other, causing the system to be in an unbalanced operation state.

[0011] Existing problems: In reality, equipment such as heat pump hosts can operate at 50% to 150% of the rated flow rate, and not necessarily the equipment at the rated flow rate has the highest efficiency, resulting in a gap between the primary and secondary pumps when the system is running. There is a flow difference in the flow, which has been balanced through the balance pipe, resulting in a waste of energy

[0013] Existing problems: the design working conditions or debugging working conditions are often very different from the actual operating conditions, and the effect of the balance valve is often very different from the expected effect; the adjustment of the balance valve is an adjustment to increase the resistance loss of the pipe network. The more, the more energy wasted

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