Compound control method and device of air supply of central air conditioner terminal and electronic equipment

Abstract

The invention relates to a compound control method and device of air supply of a central air conditioner terminal and electronic equipment. The compound control method comprises the steps: acquiring current indoor parameters and human body parameters, wherein the current indoor parameters include: current indoor air temperature, current indoor relative humidity, current indoor average radiation temperature and current indoor average airflow speed, and the current human body parameters include: human body clothes resistance and human body heat dissipation rate; determining a current expected average heat evaluation index and a deviation value of the current expected average heat evaluation index according to the current indoor parameters and the human body parameters; selecting a control mode of the air supply of the central air conditioner terminal according to the deviation value of the current expected average heat evaluation index; and controlling the operating frequency of a fan ofthe central air conditioner terminal according to the selected control mode. According to the compound control method, the compound control device and the electric equipment, different automatic airsupply control modes are selected according to the current expected average heat evaluation index, so that indoor thermal comfort influenced by deviation of air supply quantity of an air conditioner due to regulation hysteresis or disturbance of an indoor environment is avoided, and the indoor environment after automatic air supply regulation is more objectively close to the requirements of the thermal comfort of human body.

Description

technical field [0001] The present invention relates to the field of central air-conditioning, and more specifically relates to a method, device and electronic equipment for compound air supply control at the end of central air-conditioning. Background technique [0002] A controlled indoor environment can be provided by adjusting the air supply at the end of the central air-conditioning system, so that indoor environmental indicators such as indoor temperature, humidity, airflow organization, and indoor air quality can be maintained within a reasonable range, thereby providing a good environment for indoor personnel. Living and working provide a healthy and comfortable environment. [0003] An important way to adjust the air supply at the end of the central air-conditioning system is to change the air supply volume through the frequency conversion adjustment of the end fan. When the fan adopts automatic frequency conversion adjustment, the PID control method is usually ado...

AI Technical Summary

Problems solved by technology

Using indoor temperature as the parameter of the air supply adjustment at the end of the central air conditioning system, it is difficult to guarantee the thermal comfort of the human body under the automatic air supply state of the fan; (2) PID adjustment is a relatively high-precision adjustment, and its anti-interference ability is relatively poor. When severe external disturbances occur, serious overshooting is easy to occur, and the control accuracy is difficult to guarantee; (3) Indoor environment regulation is a large lagging system, and it is difficult to achieve good control effect by using PID control

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