Air conditioning system adjusting method and system based on weather forecast

Abstract

The invention provides an air conditioning system adjusting method and system based on weather forecast, and belongs to the technical field of air conditioning energy conservation. The air conditioning system adjusting method comprises the steps that current indoor and outdoor temperature and humidity information and weather forecast information within specified time are collected; the availability of the weather forecast information is judged; and a cooling load required by indoor temperature adjustment is determined by utilizing the weather forecast information, a control strategy of the airconditioning system is adjusted to enable the indoor temperature to reach a specified preset parameter within the specified time, a time table is generated, an advanced sampling time point is arranged, outdoor actual temperature information is detected at the advanced sampling time point, the actual condition of the temperature information is compared with the weather information acquired in advance, and whether the cooling load and the preset parameter are re-determined or not is determined according to a comparison result. The air conditioning system adjusting system comprises modules corresponding to the steps of the method.

Description

technical field [0001] The invention provides an air conditioning system adjustment method and system based on weather forecast, belonging to the technical field of air conditioning energy saving. Background technique [0002] The current air-conditioning energy saving generally adopts PID control and load forecasting to adjust the air-conditioning system. However, the air-conditioning system, especially the central air-conditioning system is a complex system with time-delay, time-varying, non-linear and large inertia, which is difficult to describe with precise mathematical models or methods. For the air-conditioning system in the subway station, the factors affecting the indoor temperature of the subway station are the outdoor air temperature, light intensity, passenger flow, heat generated by train braking, and equipment heating, among which the main influencing factor is the outdoor temperature. Due to the time-varying dynamic characteristics of the central air-conditio...

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Problems solved by technology

[0004] The present invention provides an air conditioning system adjustment method and system based on weather forecast, which is used to solve the problem that the accuracy of load forecasting is not high, and the sudden weather situation cannot be responded in time, and it is easy to cause system shock and it is difficult to obtain an ideal adjustment effect. question:

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