CN-122015262-A - Air conditioner control method, device, electronic equipment and computer readable storage medium

CN122015262ACN 122015262 ACN122015262 ACN 122015262ACN-122015262-A

Abstract

The embodiment of the application discloses an air conditioner control method, an air conditioner control device, electronic equipment and a computer readable storage medium, and belongs to the technical field of air conditioners. The method comprises the steps of obtaining a temperature difference among a required capacity, an indoor temperature and a set temperature of each indoor unit, determining a target compressor frequency of an outdoor unit based on the required capacity and a current compressor frequency, determining target valve opening and target fan rotating speed of each indoor unit based on the required capacity and the temperature difference of a plurality of indoor units, and controlling an air conditioner based on the target compressor frequency, the target valve opening and the target fan rotating speed. Therefore, through the cooperative control based on the required capacity and the temperature difference of a plurality of indoor units, the linkage optimization of the frequency of the compressor, the opening degree of the valve and the rotating speed of the fan can be realized, the energy efficiency of the system is obviously improved, the fluctuation of the room temperature is effectively restrained, and the comfort level of users in a multi-room indoor unit scene is greatly improved.

Inventors

DENG XIAOLIANG
CHEN WEIJIE
XIONG JUN
LI NING

Assignees

TCL空调器(中山)有限公司

Dates

Publication Date: 20260512
Application Date: 20260211

Claims (10)

1. An air conditioner control method, the air conditioner including an outdoor unit, and a plurality of indoor units connected to the outdoor unit, the method comprising: Acquiring the required capacity of each indoor unit, and the temperature difference between the indoor temperature and the set temperature; determining a target compressor frequency of the outdoor unit based on the required capacity and the current compressor frequency; determining target valve opening and target fan rotating speed of each indoor unit based on the required capacity and the temperature difference; And controlling the air conditioner based on the target compressor frequency, the target valve opening and the target fan rotating speed.
2. The air conditioner control method as set forth in claim 1, wherein said determining a target compressor frequency of the outdoor unit based on the required capacity and a current compressor frequency includes: determining the sum of the required capacities of the indoor units as a total required capacity; determining a capacity demand bias based on the total demand capacity and the current compressor frequency; determining a target frequency adjustment based on the capacity demand bias; And determining the sum of the target frequency adjustment amount and the current compressor frequency as the target compressor frequency of the outdoor unit.
3. The air conditioner control method according to claim 2, wherein the determining a target frequency adjustment amount based on the capacity demand deviation includes: determining basic regulation parameters based on the outdoor temperature and the system performance parameters of the air conditioner, wherein the basic regulation parameters comprise basic proportion regulation parameters, basic integral regulation parameters and basic differential regulation parameters; Determining a capacity change rate based on the capacity demand deviation and a historical capacity demand deviation before a preset time period; determining correction quantity of the basic adjusting parameter based on the capacity demand deviation, the capacity change rate and a preset fuzzy rule table, wherein the fuzzy rule table is used for representing the corresponding relation between the capacity demand deviation, the capacity change rate and the correction quantity; correcting the basic adjusting parameter based on the correction amount to obtain a target adjusting parameter; The target frequency adjustment amount is determined based on the target adjustment parameter, the capacity demand deviation, and the capacity change rate.
4. The air conditioner control method according to claim 1, wherein the determining a target valve opening degree and a target fan rotation speed of each indoor unit based on the required capacity and the temperature difference includes: Determining opening allocation proportion and theoretical fan rotating speed of each indoor unit based on the required capacity and the temperature difference; determining a basic opening degree of each indoor unit based on rated capacity of each indoor unit, and determining a target valve opening degree of each indoor unit based on the basic opening degree and opening degree distribution proportion of each indoor unit; and correcting the theoretical fan rotating speed of each indoor unit based on the evaporating temperature of each indoor unit to obtain the target fan rotating speed of each indoor unit.
5. The air conditioner control method according to claim 4, wherein the determining the opening allocation ratio and the theoretical fan rotation speed of each indoor unit based on the required capacity and the temperature difference includes: determining a first proportion between the required capacity of each indoor unit and a maximum required capacity and a second proportion between the temperature difference of each indoor unit and a maximum temperature difference, wherein the maximum required capacity is the maximum value of the required capacities of the plurality of indoor units, and the maximum temperature difference is the maximum value of the temperature differences of the plurality of indoor units; And determining the opening distribution proportion and the theoretical fan rotating speed of each indoor unit based on the first proportion and the second proportion.
6. The air conditioner control method according to claim 5, wherein the determining the opening degree distribution ratio of each indoor unit based on the first ratio and the second ratio includes: the first proportion and the second proportion are weighted and summed to obtain the demand weight of each indoor unit, wherein the demand weight represents the demand urgency degree of each indoor unit; And determining the ratio of the demand weight to the sum of the demand weights of the plurality of indoor units as the opening allocation proportion of each indoor unit.
7. The method according to claim 5, wherein determining a theoretical fan speed of each indoor unit based on the first ratio and the second ratio comprises: Determining a third ratio based on the first ratio and the second ratio; Determining a first fan speed of each indoor unit based on the third ratio and a speed difference between a maximum effective fan speed and a minimum effective fan speed of each indoor unit; and determining the sum of the first fan rotating speed and the minimum effective fan rotating speed as the theoretical fan rotating speed of each indoor unit.
8. An air conditioner control apparatus, the air conditioner including an outdoor unit, and a plurality of indoor units connected to the outdoor unit, the apparatus comprising: The parameter acquisition module is used for acquiring the required capacity of each indoor unit, the indoor temperature and the temperature difference between the set temperature; A first determining module for determining a target compressor frequency of the outdoor unit based on the required capacity and a current compressor frequency; The second determining module is used for determining the target valve opening degree and the target fan rotating speed of each indoor unit based on the required capacity and the temperature difference; And the air conditioner control module is used for controlling the air conditioner based on the target compressor frequency, the target valve opening and the target fan rotating speed.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps in the air conditioning control method according to any one of claims 1 to 7 when the computer program is executed.
10. A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, which when executed by a processor, implements the steps in the air conditioner control method according to any one of claims 1 to 7.

Description

Air conditioner control method, device, electronic equipment and computer readable storage medium Technical Field The embodiment of the application relates to the technical field of air conditioners, in particular to an air conditioner control method, an air conditioner control device, electronic equipment and a computer readable storage medium. Background The multi-split air conditioning system is an air conditioning system with one outdoor unit connected with a plurality of indoor units, and each indoor unit can be independently controlled. Multi-split air conditioning systems are becoming increasingly popular in commercial and household applications due to their flexible deployment capabilities. When the traditional air conditioner control method is started and stopped in multiple chambers and partial load is changed, the mismatch between the frequency of a compressor and the opening degree of an electronic expansion valve and the supply and demand of the rotating speed of a fan is easy to occur, so that the energy consumption of the system is high, the fluctuation of the room temperature is large, and the user experience is influenced. Therefore, an intelligent method capable of performing fine cooperative control under a complex operation state is needed to improve energy efficiency and comfort. Disclosure of Invention The embodiment of the application provides an air conditioner control method, an air conditioner control device, electronic equipment and a computer readable storage medium, which can realize linkage optimization of compressor frequency, valve opening and fan rotating speed through cooperative control based on the required capacity and temperature difference of a plurality of indoor units. In a first aspect, an embodiment of the present application provides a method for controlling an air conditioner, the air conditioner including an outdoor unit, and a plurality of indoor units connected to the outdoor unit, the method including: Acquiring the required capacity of each indoor unit, and the temperature difference between the indoor temperature and the set temperature; determining a target compressor frequency of the outdoor unit based on the required capacity and the current compressor frequency; determining target valve opening and target fan rotating speed of each indoor unit based on the required capacity and the temperature difference; And controlling the air conditioner based on the target compressor frequency, the target valve opening and the target fan rotating speed. In one embodiment, the determining the target compressor frequency of the outdoor unit based on the required capacity and the current compressor frequency includes: determining the sum of the required capacities of the indoor units as a total required capacity; determining a capacity demand bias based on the total demand capacity and the current compressor frequency; determining a target frequency adjustment based on the capacity demand bias; And determining the sum of the target frequency adjustment amount and the current compressor frequency as the target compressor frequency of the outdoor unit. In one embodiment, the determining the target frequency adjustment based on the capacity demand bias includes: determining basic regulation parameters based on the outdoor temperature and the system performance parameters of the air conditioner, wherein the basic regulation parameters comprise basic proportion regulation parameters, basic integral regulation parameters and basic differential regulation parameters; Determining a capacity change rate based on the capacity demand deviation and a historical capacity demand deviation before a preset time period; determining correction quantity of the basic adjusting parameter based on the capacity demand deviation, the capacity change rate and a preset fuzzy rule table, wherein the fuzzy rule table is used for representing the corresponding relation between the capacity demand deviation, the capacity change rate and the correction quantity; correcting the basic adjusting parameter based on the correction amount to obtain a target adjusting parameter; The target frequency adjustment amount is determined based on the target adjustment parameter, the capacity demand deviation, and the capacity change rate. In one embodiment, the determining the target valve opening and the target fan rotation speed of each indoor unit based on the required capacity and the temperature difference includes: Determining opening allocation proportion and theoretical fan rotating speed of each indoor unit based on the required capacity and the temperature difference; determining a basic opening degree of each indoor unit based on rated capacity of each indoor unit, and determining a target valve opening degree of each indoor unit based on the basic opening degree and opening degree distribution proportion of each indoor unit; and correcting the theoretical fan rotating speed of each indoor unit based o