Fresh air energy saving control method with CO (carbon monoxide) detection function

Abstract

The invention discloses a fresh air energy saving control method with CO (carbon monoxide) detection function. The fresh air energy saving control method with the CO detection function comprises the following steps that firstly, a fresh air pipe, an air return pipe and a heat exchanger are arranged, and the fresh air pipe and the air return pipe are enabled to be respectively communicated with indoor air by one side of the heat exchanger; an air inlet fan and a fresh air solenoid valve are arranged in the fresh air pipe; an air exhaust fan and an air return solenoid valve are arranged in the air return pipe; a CO2 concentration sensor and a CO concentration sensor are arranged indoors; when the CO2 concentration of indoor space is greater than a preset CO2 concentration threshold value, the fresh air solenoid valve and the air return solenoid valve are controlled to be switched on to simultaneously control the air inlet fan and the air exhaust fan to work; when the CO concentration of the indoor space is greater than a preset CO concentration threshold value, the fresh air solenoid valve and the air return solenoid valve are controlled to be switched on to control the air inlet fan and the air exhaust fan to work and simultaneously control an alarm module to send alarm information. According to the fresh air energy saving control method, a fresh air function can be automatically started or closed, loss of indoor heat energy / cold energy is effectively reduced, and meanwhile, a phenomenon that CO concentration exceeds a standard can be prevented.

Description

technical field [0001] The invention relates to the field of air-conditioning fresh air, in particular to a fresh air energy-saving control method with CO detection. Background technique [0002] Air conditioning is air conditioning (air conditioning), which refers to the process of adjusting and controlling the temperature, humidity, cleanliness, speed and other parameters of the ambient air in a building / structure by artificial means. It generally includes cold source / heat source equipment, cold and hot medium transmission and distribution system, terminal devices and other auxiliary equipment. It mainly includes water pumps, fans and piping systems. The terminal device is responsible for using the cold and heat from the transmission and distribution to specifically process the air so that the air parameters of the target environment meet the requirements. [0003] Air conditioners are divided into single-cooling air conditioners and dual-purpose air conditioners for coo...

AI Technical Summary

Problems solved by technology

[0013] Although this method enables one ventilator to realize indoor and outdoor ventilation and indoor air purification at the same time, it cannot reduce the loss of indoor heat / cold energy during ventilation, and at the same time, it cannot prevent the CO concentration from exceeding the standard.