CN110017587B

CN110017587B - Operation control method, operation control device, air conditioner and computer readable storage medium

Info

Publication number: CN110017587B
Application number: CN201910310141.6A
Authority: CN
Inventors: 黄延聪; 吴楠
Original assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Current assignee: Midea Group Co Ltd; GD Midea Air Conditioning Equipment Co Ltd
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2021-09-28
Anticipated expiration: 2039-04-17
Also published as: CN110017587A

Abstract

The invention provides an operation control method, an operation control device, an air conditioner and a computer readable storage medium, wherein the operation control method comprises the following steps: responding to an operation instruction of an indoor uniform temperature control mode, acquiring a temperature signal of a first temperature sensor and determining the temperature signal as the temperature of an upper area, and acquiring a temperature signal of a second temperature sensor and determining the temperature signal as the temperature of a lower area; and if the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than the preset area adjusting temperature difference threshold, controlling and adjusting the operating parameters of the air conditioner so as to adjust the absolute value of the temperature difference to be less than or equal to the area adjusting temperature difference threshold, wherein the operating parameters of the air conditioner comprise control parameters of the first evaporation module and/or the second evaporation module. According to the technical scheme, the air conditioner is controlled to operate through the operation parameters, so that the absolute value of the temperature difference between the upper area temperature and the lower area temperature is smaller than the area adjustment temperature difference threshold, the indoor temperature is uniformly distributed, and the body feeling comfort level of a user is improved.

Description

Operation control method, operation control device, air conditioner and computer readable storage medium

Technical Field

The invention relates to the technical field of air conditioners, in particular to an operation control method, an operation control device, an air conditioner and a computer readable storage medium.

Background

Along with the improvement of the living standard of people, the air conditioner is more and more popular and becomes an indispensable household appliance in daily life of people. With the update of the consumption concept of people, the requirement on the comfort of the air conditioner is higher and higher.

The existing air conditioner usually realizes indoor refrigeration or heating by heat exchange between the evaporator and indoor airflow of an integrated type, and has great difficulty if internal uniform temperature control is to be realized due to smaller difference of air outlet temperatures of air outlets of different heights under the condition that temperature differences exist in indoor different height areas.

Moreover, any discussion of the prior art throughout the specification is not an admission that the prior art is necessarily known to a person of ordinary skill in the art, and any discussion of the prior art throughout the specification is not an admission that the prior art is necessarily widely known or forms part of common general knowledge in the field.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, it is an object of the present invention to provide an operation control method.

Another object of the present invention is to provide an operation control device.

It is still another object of the present invention to provide an air conditioner.

It is still another object of the present invention to provide a computer-readable storage medium.

To achieve the above object, an embodiment of a first aspect of the present invention provides an operation control method, including: responding to an operation instruction of an indoor uniform temperature control mode, acquiring a temperature signal of the first temperature sensor and determining the temperature signal as the temperature of an upper area, and acquiring a temperature signal of the second temperature sensor and determining the temperature signal as the temperature of a lower area; if the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than the area adjusting temperature difference threshold value, the operation parameters of the air conditioner are controlled and adjusted, so that the absolute value of the temperature difference is adjusted to be less than or equal to the area adjusting temperature difference threshold value, and the operation parameters of the air conditioner comprise the control parameters of the first evaporation module and/or the second evaporation module.

In this technical scheme set up evaporimeter and a plurality of fan subassembly between the air intake of air conditioner and a plurality of air outlet, a plurality of fan subassemblies include vertical first fan subassembly and the second fan subassembly that sets up from top to bottom, the evaporimeter include with first fan subassembly corresponds the first evaporation module that sets up, with the second evaporation module that the second fan subassembly corresponds the setting, on the casing of air conditioner or the indoor space of air conditioner is provided with the temperature sensor who is used for gathering upper portion regional temperature and lower part regional temperature, and temperature sensor preferably sets up in the upper portion return air inlet department and the lower part return air inlet department of air conditioner.

Based on the structure setting, after an operation instruction of an indoor uniform temperature control mode is acquired, the upper area temperature and the lower area temperature are detected firstly, so that the temperature difference value of the upper area temperature and the lower area temperature is determined, an operation strategy of the air conditioner is determined according to the temperature difference value, then the corresponding operation parameters are determined based on the operation strategy, the air conditioner is controlled to operate through the operation parameters, so that the absolute value of the temperature difference between the upper area temperature and the lower area temperature is smaller than an area adjustment temperature difference threshold value, the indoor temperature is distributed uniformly, and the somatosensory comfort degree of a user is improved.

Specifically, through setting up the evaporimeter to including the first evaporation module on upper portion and the second evaporation module that is in the lower part that can independent control business turn over refrigerant, correspond with first evaporation module and set up first fan subassembly, correspond with second evaporation module and set up second fan subassembly, for integral evaporimeter, the difference in temperature value through upper and lower regional temperature is to first evaporation module, second evaporation module, first fan subassembly and second fan subassembly independent control respectively, on the basis that does not increase the system energy consumption, can high-efficiently compensate the difference in temperature problem that vertical space appears.

The indoor temperature distribution of the upper indoor area and the lower indoor area is represented by adopting an area adjusting temperature difference threshold value, and the area adjusting temperature difference threshold value can be between 0.5 ℃ and 1.5 ℃.

In addition, the designated position is used for dividing an upper area and a lower area in a room, the height of the designated position can be determined according to the height of the air conditioner and the height of a user, and for the height of the air conditioner, when the air conditioner is provided with two air outlets which are longitudinally arranged, the designated position can be arranged between the two air outlets by combining air outlet control of the air conditioner, on the basis, the height of the designated position can be further adjusted by combining the height of the user, for example, when the number of children in the room is large, the designated position can be arranged close to the lower air outlet, and if most of the children in the room are adults with high height, the designated position is arranged close to the upper air outlet.

The first temperature sensor and the second temperature sensor may be disposed on a housing of the air conditioner, or may be disposed in a corresponding room area apart from the air conditioner, but may be capable of data transmission with the air conditioner or a control device of the air conditioner.

It can be understood by those skilled in the art that the operation control method of the indoor uniform temperature control mode defined in the present application is implemented on the basis of the cooling control or the heating control, i.e., how to achieve the indoor temperature uniformity in cooling or how to achieve the indoor temperature uniformity in heating.

In the above technical solution, optionally, a third temperature sensor is disposed on the first evaporation module and is configured to collect a tube temperature of the first evaporation module, a fourth temperature sensor is disposed on the second evaporation module and is configured to collect a tube temperature of the second evaporation module, a first electronic expansion valve that controls a flow rate of a refrigerant is disposed on the first evaporation module, a second electronic expansion valve is disposed on the second evaporation module, and the controlling and adjusting of the control parameters of the first evaporation module and/or the second evaporation module specifically includes: respectively collecting the tube temperature of the first evaporation module and the tube temperature of the second evaporation module, and respectively determining the tube temperatures as the upper tube temperature and the lower tube temperature of the evaporator; calculating the average value of the upper pipe temperature and the lower pipe temperature and determining the average value as the pipe temperature value of the evaporator; determining whether to adjust the first electronic expansion valve according to a relationship between the upper pipe temperature and the pipe temperature mean value, and/or determining whether to adjust the second electronic expansion valve according to a relationship between the lower pipe temperature and the pipe temperature mean value.

In the technical scheme, when it is determined that the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than the area adjustment temperature difference threshold, the tube temperature of the first evaporation module and the tube temperature of the second evaporation module can be continuously detected, and a control strategy for the evaporator, namely a first electronic expansion valve for respectively controlling the refrigerant flow of the first evaporation module or an adjustment strategy for a second electronic expansion valve for controlling the refrigerant flow of the second evaporation module, is determined according to the relation between the average value of the two detected tube temperatures and the upper tube temperature or the lower tube temperature, so as to achieve the purpose of balancing air outlet according to the indoor upper and lower temperature difference.

In any of the above technical solutions, optionally, the determining whether to adjust the first electronic expansion valve according to the relationship between the upper pipe temperature and the pipe temperature average value specifically includes: in a refrigeration mode, if the upper pipe temperature is less than a first lower limit threshold value, controlling to increase the opening degree of the first electronic expansion valve, and if the upper pipe temperature is greater than a first upper limit threshold value, controlling to decrease the opening degree of the first electronic expansion valve; in the heating mode, if the upper pipe temperature is lower than a first lower threshold value, the opening degree of the first electronic expansion valve is controlled to be reduced, and if the upper pipe temperature is higher than a first upper threshold value, the opening degree of the first electronic expansion valve is controlled to be increased, wherein the pipe temperature mean value is determined as the first upper threshold value, and the difference value between the pipe temperature mean value and a preset opening degree adjusting temperature difference threshold value is determined as the first lower threshold value.

In the technical scheme, aiming at the first evaporation module at the upper part, an opening degree adjustment temperature difference threshold value representing the temperature adjustment redundancy of the evaporator is set, the opening degree adjustment temperature difference threshold value represents whether the pipe temperature between the first evaporation module and the second evaporation module is close enough or not so as to meet the indoor uniform temperature control, and whether the refrigerant flow of the first evaporation module needs to be adjusted or not is determined by combining the pipe temperature mean value.

Specifically, under the refrigeration mode, if the upper pipe temperature is detected to be smaller than the difference between the pipe temperature mean value and the opening degree adjusting temperature difference threshold value, the opening degree of the first electronic expansion valve is controlled to be increased, so that the refrigerant input quantity is increased, the pressure is reduced, the heat exchange efficiency between the first evaporation module and the external air flow is reduced after the pressure is reduced, the upper pipe temperature can be improved, if the upper pipe temperature is detected to be larger than the pipe temperature mean value, the opening degree of the first electronic expansion valve can be controlled to be reduced, the pressure is increased and the temperature is reduced, and the upper pipe temperature is close to the pipe temperature mean value through adjustment of the first electronic expansion valve.

Under the heating mode, if the upper pipe temperature is detected to be smaller than the difference value between the pipe temperature average value and the opening degree adjusting temperature difference threshold value, the opening degree of the first electronic expansion valve is controlled to be reduced so as to reduce the input quantity of a refrigerant and boost the refrigerant.

In any one of the above technical solutions, optionally, the controlling to increase the opening degree of the first electronic expansion valve specifically includes: controlling to increase the opening degree of the first electronic expansion valve according to the first adjusting frequency and the corresponding opening degree amplification; the controlling to reduce the opening degree of the first electronic expansion valve specifically includes: and reducing the opening degree of the first electronic expansion valve according to the second adjusting frequency and the corresponding opening degree amplitude reduction control.

In this technical solution, for the control of increasing the opening degree of the first electronic expansion valve or decreasing the opening degree of the first electronic expansion valve, the pressure of the control system may be gradually increased and/or decreased by a fixed adjustment frequency and adjustment amplitude.

For example, the lower zone temperature is represented by T1b, the upper zone temperature is represented by T1a, the lower pipe temperature is represented by T2b, the upper pipe temperature is represented by T2a, and the average value of T2b and T2a is represented by T, the opening degree adjustment temperature difference threshold value is set to 1 ℃, and if T2a < T-1 ℃, the opening degree of the first electronic expansion valve is controlled to be increased by 4 steps every 20 s.

And if the T-1 ℃ is more than or equal to T2a and less than or equal to T, maintaining the current opening degree of the first electronic expansion valve unchanged.

If T2a > T, the opening degree of the first electronic expansion valve is controlled to be decreased by 4 steps every 20 s.

In any one of the above technical solutions, optionally, the determining whether to adjust the second electronic expansion valve according to the relationship between the lower pipe temperature and the pipe temperature average value specifically includes: in the cooling mode, if the lower pipe temperature is lower than a second lower limit threshold value, controlling to increase the opening degree of the second electronic expansion valve, and if the lower pipe temperature is higher than a second upper limit threshold value, controlling to decrease the opening degree of the second electronic expansion valve; in the heating mode, if the lower pipe temperature is less than a second lower threshold, controlling to reduce the opening degree of the second electronic expansion valve, and if the lower pipe temperature is greater than a second upper threshold, controlling to increase the opening degree of the second electronic expansion valve, wherein the pipe temperature mean value is determined as the second lower threshold, and the sum of the pipe temperature mean value and the adjusting temperature threshold is determined as the second upper threshold.

In the technical scheme, aiming at the lower second evaporation module, the opening degree adjusting temperature difference threshold value representing the temperature adjusting redundancy of the evaporator is set, and whether the refrigerant flow of the second evaporation module needs to be adjusted or not is determined by combining the pipe temperature mean value.

Specifically, in the cooling mode, if the lower pipe temperature is detected to be lower than the pipe temperature average value, the opening degree of the second electronic expansion valve is controlled to be increased so as to increase the input amount of the refrigerant and reduce the pressure, the heat exchange efficiency between the second evaporation module and the external air flow is reduced after the pressure is reduced, therefore, the lower pipe temperature can be improved, if the lower pipe temperature is detected to be higher than the sum of the pipe temperature average value and the opening degree adjusting temperature difference threshold value, the opening degree of the second electronic expansion valve can be controlled to be reduced so as to realize the pressure rise and the temperature reduction, and the lower pipe temperature is enabled to be close to the pipe temperature average value through the adjustment of the second electronic expansion valve.

In the heating mode, if the lower pipe temperature is detected to be smaller than the difference value between the pipe temperature average value and the opening degree adjusting temperature difference threshold value, the opening degree of the second electronic expansion valve is controlled to be reduced so as to reduce the input quantity of the refrigerant and boost the refrigerant.

In any one of the above technical solutions, optionally, the controlling to increase the opening degree of the second electronic expansion valve specifically includes: controlling to increase the opening degree of the second electronic expansion valve according to the third adjusting frequency and the corresponding opening degree amplification; the controlling to reduce the opening degree of the second electronic expansion valve specifically includes: and reducing the opening degree of the second electronic expansion valve according to the fourth adjusting frequency and the corresponding opening degree amplitude reduction control.

In the technical solution, for the control of increasing the opening degree of the second electronic expansion valve or decreasing the opening degree of the second electronic expansion valve, the pressure of the control system may be gradually increased and/or decreased by a fixed adjustment frequency and an adjustment amplitude.

And setting the opening degree adjusting temperature difference threshold value as 1 ℃, and if T2a is less than T, controlling to increase the opening degree of the second electronic expansion valve by 4 steps every 20 s.

And if T is less than or equal to T2a and less than or equal to T +1 ℃, maintaining the current opening degree of the second electronic expansion valve unchanged.

And if T2a is greater than T +1 ℃, controlling to reduce the opening degree of the second electronic expansion valve by 4 steps every 20 s.

In any one of the above technical solutions, optionally, the controlling and adjusting the operation parameter of the air conditioner specifically further includes: determining whether to adjust a rotational speed of the first fan assembly based on a relationship between the upper zone temperature and the upper duct temperature.

In the technical scheme, after the pipe temperature of the evaporation module is adjusted to be as close as possible to the average pipe temperature, the upper region temperature and the upper part pipe temperature in the collection chamber are triggered again, whether the rotating speed of the first fan assembly on the upper part is adjusted or not is determined according to the relation between the upper region temperature and the upper part pipe temperature, so that the rotating speed of the fan can be matched with the heating efficiency of the evaporator, the phenomenon that the pipe temperature is overheated or the heating effect is insufficient in the first evaporation module is prevented, and the longitudinal temperature difference in the chamber is reduced.

Wherein, to ambient temperature's collection, can set up temperature sensor respectively with the upper portion and the lower part of the direct relative wall body of air outlet alone to gather upper portion regional temperature and lower part regional temperature through temperature sensor, in addition, can also set up the temperature sensing package respectively in the upper portion and the lower part of the return air inlet of the casing of air conditioner, come the representation upper portion regional temperature and lower part regional temperature through the return air temperature of the different positions of gathering.

In any one of the above technical solutions, optionally, determining whether to adjust the rotation speed of the first fan assembly according to the relationship between the upper area temperature and the upper pipe temperature specifically includes: determining a temperature difference value between the upper area temperature and the upper pipe temperature as a first temperature difference value, and controlling to reduce the rotating speed of the first fan assembly if the first temperature difference value is detected to be smaller than a third lower threshold; and if the first temperature difference value is larger than a third upper limit threshold value, controlling to increase the rotating speed of the first fan assembly, wherein the third lower limit threshold value is smaller than the third upper limit threshold value.

In this technical solution, by defining a third threshold range composed of a third lower threshold and a third upper threshold, whether the heat exchange efficiency of the first evaporation module and the first fan assembly achieve adaptive operation or not is represented by a third threshold value range, in the case where it is detected that the first temperature difference value between the upper zone temperature and the upper pipe temperature is less than the third lower threshold value or greater than the third upper threshold value, indicating that the mismatch relationship exists between the rotating speed of the first fan assembly and the heat exchange efficiency of the first evaporation module, since the adjustment of the upper pipe temperature is already realized by adjusting the opening degree of the electronic expansion valve on the premise that the adjustment is necessary, therefore, the relationship between the upper region temperature and the upper pipe temperature is realized by adjusting the rotating speed of the fan, so that the difference value is within the third threshold range, and the air outlet efficiency of the air outlet at the upper part is ensured to meet the requirement of indoor balanced temperature control.

In any one of the above technical solutions, optionally, the controlling to reduce the rotation speed of the first fan assembly specifically includes: controlling to reduce the rotating speed of the first fan assembly according to a fifth adjusting frequency and a corresponding first speed reduction amplitude; the control improves the rotational speed of first fan subassembly specifically includes: and controlling and increasing the rotating speed of the first fan assembly according to the sixth adjusting frequency and the corresponding first speed increasing amplitude.

Specifically, the lower area temperature is represented by T1b, the upper area temperature is represented by T1a, and after the adjustment operation of the first evaporation module is completed, the difference between T2a and T1a is determined, so as to adjust the rotation speed of the first fan assembly corresponding to the first evaporation module according to the determination result, so as to maintain the outlet air temperature of the upper outlet by properly adjusting the rotation speed of the first fan assembly, and prevent the change of the refrigerant flow of the upper and lower evaporation modules from generating relatively large outlet air temperature fluctuation.

If T2a-T1a is less than 8 ℃, the rotation speed of the first fan assembly is reduced, the adjustment is performed every 30s (the fifth adjustment frequency), and 50rpm (the first speed reduction amplitude) can be reduced every time, wherein the third adjustment frequency and the first speed reduction amplitude can also be adjusted according to the actual operation condition.

And if the temperature is more than or equal to 8 ℃ and less than or equal to T2a-T1a and less than or equal to 10 ℃, maintaining the current rotating speed of the first fan assembly unchanged.

If T2a-T1a >10 ℃, the rotation speed of the first fan assembly is increased, and is adjusted once every 30s (sixth adjusting frequency), and is increased by 50rpm (first speed increasing amplitude) each time, wherein the fourth adjusting frequency and the first speed increasing amplitude can also be adjusted according to actual operation conditions.

In any one of the above technical solutions, optionally, the controlling and adjusting the operation parameter of the air conditioner further includes: determining whether to adjust a rotational speed of the second fan assembly based on a relationship between the lower zone temperature and the lower duct temperature.

In the technical scheme, the pipe temperature of the evaporation module is adjusted, so that the pipe temperature is close to the average pipe temperature as much as possible, the lower region temperature and the lower part pipe temperature in the collection chamber are triggered again, whether the rotating speed of the second fan assembly of the lower part is adjusted or not is determined according to the relation between the lower region temperature and the lower part pipe temperature, so that the rotating speed of the fan can be matched with the heating efficiency of the evaporator, the phenomenon that the pipe temperature is overheated or the heating effect is insufficient in the second evaporation module is prevented, the heating effect of the air outlet of the lower part to the feet of a user is ensured in the foot warming mode, and the operating efficiency in the foot warming mode is further ensured.

In any one of the above technical solutions, optionally, determining whether to adjust the rotation speed of the second fan assembly according to the relationship between the lower area temperature and the lower pipe temperature specifically includes: determining a temperature difference value between the lower area temperature and the lower pipe temperature as a second temperature difference value, and controlling to reduce the rotating speed of the second fan assembly if the second temperature difference value is smaller than a fourth lower limit threshold value; and if the second temperature difference value is larger than a fourth upper threshold value, controlling to increase the rotating speed of the second fan assembly, wherein the fourth lower threshold value is smaller than the fourth upper threshold value.

In this technical solution, by defining a fourth threshold range composed of a fourth lower threshold and a fourth upper threshold, whether the heat exchange efficiency of the first evaporation module and the first fan assembly achieve adaptive operation or not is represented by a fourth threshold value range, in the case where it is detected that the second temperature difference value between the lower zone temperature and the lower pipe temperature is smaller than the fourth lower threshold value or larger than the fourth upper threshold value, indicating that the mismatch relationship exists between the rotating speed of the second fan assembly and the heat exchange efficiency of the second evaporation module, since the adjustment of the lower pipe temperature is already performed by adjusting the opening degree of the electronic expansion valve on the premise that it is necessary, therefore, the relationship between the temperature of the lower area and the temperature of the lower pipe is realized by adjusting the rotating speed of the fan, so that the difference value is within the range of the fourth threshold value, and the air outlet efficiency of the air outlet at the lower part is ensured to meet the requirement of indoor balanced temperature control.

In any one of the above technical solutions, optionally, the controlling to reduce the rotation speed of the second fan assembly specifically includes: controlling to reduce the rotating speed of the second fan assembly according to the seventh adjusting frequency and the corresponding second speed reduction amplitude; the control improves the rotational speed of second fan subassembly specifically includes: and controlling and increasing the rotating speed of the second fan assembly according to the eighth adjusting frequency and the corresponding second speed increasing amplitude.

If T2b-T1b is less than 10 ℃, the rotating speed of the second fan assembly is reduced, the rotating speed is adjusted once every 30s (the seventh adjusting frequency), 50rpm (the second speed reduction amplitude) can be reduced each time, and the fifth adjusting frequency and the second speed reduction amplitude can also be adjusted according to actual operation conditions.

And if the temperature is more than or equal to 10 ℃ and less than or equal to T2b-T1b and less than or equal to 12 ℃, maintaining the current rotating speed of the second fan assembly unchanged.

If T2b-T1b >12 ℃, the rotation speed of the second fan assembly is increased, the adjustment is performed every 30s (eighth adjustment frequency), and the increase is performed every 50rpm (second speed increase amplitude), wherein the sixth adjustment frequency and the second speed increase amplitude can also be adjusted according to the actual operation condition.

In any of the above technical solutions, optionally, after detecting that the first fan assembly and/or the second fan assembly is decelerated, the method further includes: if the temperature of the lower area is detected to be smaller than a fifth lower limit threshold value, controlling to increase the maximum operation frequency of a compressor of the air conditioner; and if the upper area temperature is detected to be greater than a fifth upper limit threshold, controlling to reduce the maximum operating frequency of the compressor, wherein the fifth lower limit threshold is smaller than the fifth upper limit threshold, increasing the maximum operating frequency according to ninth adjusting frequency and corresponding frequency amplification control, and/or reducing the maximum operating frequency according to tenth adjusting frequency and corresponding frequency amplification control.

In the technical scheme, when the decrease of the fan rotating speed of the first fan assembly and/or the second fan assembly is detected, correspondingly, the operating frequency of the compressor also needs to be adjusted, the adjustment of the operating frequency of the compressor can be determined based on the collected lower pipe temperature of the second evaporation module, specifically, the pipe temperature of the second evaporation module matched with the current operating frequency of the compressor is represented by a fifth threshold range through a fifth threshold range formed by presetting a fifth lower threshold and a fifth upper threshold, if the actual lower pipe temperature is not in the fifth threshold range, the operating frequency of the compressor needs to be adjusted to be adapted to the lower pipe temperature, and finally, in the foot warming mode, the operating frequency of the compressor, the opening degree of an electronic expansion valve on the evaporator and the fan rotating speed are adapted to each other, so as to perform efficient foot warming operation, thereby achieving the effect of reducing power consumption.

Specifically, after the speed is controlled to be reduced, the maximum frequency of the compressor is allowed to be changed due to the change of the air outlet quantity so as to ensure the normal operation of the system, and the maximum operation frequency of the compressor is adjusted according to the value of T2 b.

If T2b is <48 ℃, the maximum allowable operating frequency of the compressor is adjusted every 2 minutes, e.g., by 6 Hz.

And if the temperature is more than or equal to 48 ℃ and less than or equal to T2b and less than or equal to 52 ℃, controlling and maintaining the current operating frequency of the compressor.

If T2b >52 deg.C, the maximum allowable compressor operating frequency is adjusted every 1 minute, e.g., by 6 Hz.

In any one of the above technical solutions, optionally, the first fan assembly includes a first fan and a second fan that are arranged in a contra-rotating manner, and the first fan and the second fan are axial fans or diagonal fans.

Specifically, under the condition that first fan subassembly includes first fan and the second fan of disrotatory setting, wherein, first fan is close to the setting of evaporimeter motor, and the second fan is close to the air outlet setting, when needs reduce the gradual rotational speed of first fan, then can reduce the rotational speed of first fan and second fan simultaneously, and this purpose is that the rotational speed is properly adjusted and the air outlet temperature is maintained, can not be because the refrigerant flow change of upper and lower evaporimeter and the air-out temperature is undulant too big.

In addition, as can be understood by those skilled in the art, the contra-rotation arrangement refers to the arrangement of the first fan and the second fan which are coaxial and opposite, and the contra-rotation in combination with the operation realizes pressurization after the airflow passes through the first fan, and then realizes axial convergence through the second fan, so as to realize axial air-out, thereby reducing the probability of the divergence phenomenon of the airflow at the air outlet. In any of the above technical solutions, optionally, the second fan assembly is provided with a single fan, and the single fan is any one of an axial flow fan, a diagonal flow fan, a cross flow fan and a centrifugal fan.

According to an aspect of the second aspect of the present invention, there is also provided an operation control apparatus, including a processor, the processor being capable of executing the steps of: responding to an operation instruction of an indoor uniform temperature control mode, acquiring a temperature signal of the first temperature sensor and determining the temperature signal as the temperature of an upper area, and acquiring a temperature signal of the second temperature sensor and determining the temperature signal as the temperature of a lower area; if the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than the area adjusting temperature difference threshold value, the operation parameters of the air conditioner are controlled and adjusted, so that the absolute value of the temperature difference is adjusted to be less than or equal to the area adjusting temperature difference threshold value, and the operation parameters of the air conditioner comprise the control parameters of the first evaporation module and/or the second evaporation module.

In addition, the height of the designated location between the upper and lower regions may be determined based on the height of the room and the average height of the user, or the height of the smallest user, for example, if the number of children in the room is large, the height of the designated location is set to be smaller correspondingly, and if the room is mostly adults with a high height, the height of the designated location is set to be larger correspondingly.

In the above technical solution, optionally, a temperature sensor is disposed at a designated position of each section of the evaporation module to collect a corresponding tube temperature of the evaporation module, and the first evaporation module is provided with a first electronic expansion valve for controlling a flow rate of a refrigerant, and the processor is specifically configured to: respectively collecting the tube temperature of the first evaporation module and the tube temperature of the second evaporation module, and respectively determining the tube temperatures as the upper tube temperature and the lower tube temperature of the evaporator; calculating the average value of the upper pipe temperature and the lower pipe temperature and determining the average value as the pipe temperature value of the evaporator; determining whether to adjust the first electronic expansion valve according to a relationship between the upper pipe temperature and the pipe temperature mean value, and/or determining whether to adjust the second electronic expansion valve according to a relationship between the lower pipe temperature and the pipe temperature mean value.

In any of the above technical solutions, optionally, the processor is specifically configured to: in a refrigeration mode, if the upper pipe temperature is less than a first lower limit threshold value, controlling to increase the opening degree of the first electronic expansion valve, and if the upper pipe temperature is greater than a first upper limit threshold value, controlling to decrease the opening degree of the first electronic expansion valve; in the heating mode, if the upper pipe temperature is lower than a first lower threshold value, the opening degree of the first electronic expansion valve is controlled to be reduced, and if the upper pipe temperature is higher than a first upper threshold value, the opening degree of the first electronic expansion valve is controlled to be increased.

In the technical scheme, aiming at the first evaporation module at the upper part, whether the refrigerant flow of the first evaporation module needs to be adjusted or not is determined by setting an opening degree adjustment temperature difference threshold value representing the temperature adjustment redundancy of the evaporator and combining with a pipe temperature mean value.

In any one of the above technical solutions, optionally, the processor is specifically configured to: controlling to increase the opening degree of the first electronic expansion valve according to the first adjusting frequency and the corresponding opening degree amplification; and reducing the opening degree of the first electronic expansion valve according to the second adjusting frequency and the corresponding opening degree amplitude reduction control.

In any one of the above technical solutions, optionally, the processor is specifically configured to: in the cooling mode, if the lower pipe temperature is lower than a second lower limit threshold value, controlling to increase the opening degree of the second electronic expansion valve, and if the lower pipe temperature is higher than a second upper limit threshold value, controlling to decrease the opening degree of the second electronic expansion valve; in the heating mode, if the lower pipe temperature is less than a second lower threshold, controlling to reduce the opening degree of the second electronic expansion valve, and if the lower pipe temperature is greater than a second upper threshold, controlling to increase the opening degree of the second electronic expansion valve, wherein the pipe temperature mean value is determined as the second lower threshold, and the sum of the pipe temperature mean value and the adjusting temperature threshold is determined as the second upper threshold.

In any one of the above technical solutions, optionally, the processor is specifically configured to: controlling to increase the opening degree of the second electronic expansion valve according to the third adjusting frequency and the corresponding opening degree amplification; and reducing the opening degree of the second electronic expansion valve according to the fourth adjusting frequency and the corresponding opening degree amplitude reduction control.

In any one of the above technical solutions, optionally, the processor is specifically configured to: determining whether to adjust a rotational speed of the first fan assembly based on a relationship between the upper zone temperature and the upper duct temperature.

In any one of the above technical solutions, optionally, the processor is specifically configured to: determining a temperature difference value between the upper area temperature and the upper pipe temperature as a first temperature difference value, and controlling to reduce the rotating speed of the first fan assembly if the first temperature difference value is detected to be smaller than a third lower threshold; and if the first temperature difference value is larger than a third upper limit threshold value, controlling to increase the rotating speed of the first fan assembly, wherein the third lower limit threshold value is smaller than the third upper limit threshold value.

In any one of the above technical solutions, optionally, the processor is specifically configured to: controlling to reduce the rotating speed of the first fan assembly according to a fifth adjusting frequency and a corresponding first speed reduction amplitude; and controlling and increasing the rotating speed of the first fan assembly according to the sixth adjusting frequency and the corresponding first speed increasing amplitude.

If T2a-T1a is less than 8 ℃, the rotation speed of the first fan assembly is reduced, the rotation speed is adjusted once every 30s (fifth adjustment frequency), and 50rpm (first speed reduction amplitude) can be reduced each time, wherein the fifth adjustment frequency and the first speed reduction amplitude can also be adjusted according to actual operation conditions.

If T2a-T1a >10 ℃, the rotation speed of the first fan assembly is increased, and is adjusted once every 30s (sixth adjusting frequency), and is increased by 50rpm (first speed increasing amplitude) each time, wherein the sixth adjusting frequency and the first speed increasing amplitude can also be adjusted according to actual operation conditions.

In any one of the above technical solutions, optionally, the processor is specifically configured to: determining whether to adjust a rotational speed of the second fan assembly based on a relationship between the lower zone temperature and the lower duct temperature.

In any one of the above technical solutions, optionally, the processor is specifically configured to: determining a temperature difference value between the lower area temperature and the lower pipe temperature as a second temperature difference value, and controlling to reduce the rotating speed of the second fan assembly if the second temperature difference value is smaller than a fourth lower limit threshold value; and if the second temperature difference value is larger than a fourth upper threshold value, controlling to increase the rotating speed of the second fan assembly, wherein the fourth lower threshold value is smaller than the fourth upper threshold value.

In any one of the above technical solutions, optionally, the processor is specifically configured to: controlling to reduce the rotating speed of the second fan assembly according to the seventh adjusting frequency and the corresponding second speed reduction amplitude; and controlling and increasing the rotating speed of the second fan assembly according to the eighth adjusting frequency and the corresponding second speed increasing amplitude.

If T2b-T1b is less than 10 ℃, the rotating speed of the second fan assembly is reduced, the rotating speed is adjusted once every 30s (the seventh adjusting frequency), 50rpm (the second speed reduction amplitude) can be reduced each time, and the seventh adjusting frequency and the second speed reduction amplitude can also be adjusted according to the actual operation condition.

And if the temperature T2b-T1b is higher than 12 ℃, increasing the rotating speed of the second fan assembly, adjusting once every 30s (the eighth adjusting frequency), and increasing 50rpm (the second speed increasing amplitude) every time, wherein the eighth adjusting frequency and the second speed increasing amplitude can also be adjusted according to the actual operation condition.

In any one of the above technical solutions, optionally, the processor is specifically configured to: if the temperature of the lower area is detected to be smaller than a fifth lower limit threshold value, controlling to increase the maximum operation frequency of a compressor of the air conditioner; and if the upper area temperature is detected to be greater than a fifth upper limit threshold, controlling to reduce the maximum operating frequency of the compressor, wherein the fifth lower limit threshold is smaller than the fifth upper limit threshold, increasing the maximum operating frequency according to ninth adjusting frequency and corresponding frequency amplification control, and/or reducing the maximum operating frequency according to tenth adjusting frequency and corresponding frequency amplification control.

In any of the above technical solutions, optionally, the second fan assembly is provided with a single fan, and the single fan is any one of an axial flow fan, a diagonal flow fan, a cross flow fan and a centrifugal fan.

According to a third aspect of the present invention, there is also provided an air conditioner including the operation control device according to the above embodiment.

According to an aspect of the fourth aspect of the present invention, there is also provided a computer-readable storage medium, on which a computer program is stored, the computer program, when executed, implementing the operation control method defined in any one of the above aspects.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view illustrating an air conditioner according to an embodiment of the present invention;

FIG. 2 is a schematic view showing the structure of an evaporator according to an embodiment of the present invention;

FIG. 3 shows a schematic flow diagram of an operation control method of one embodiment of the present invention;

FIG. 4 is a schematic block diagram of an operation control apparatus according to an embodiment of the present invention;

FIG. 5 shows a schematic block diagram of a computer-readable storage medium of another embodiment of the present invention.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

As shown in fig. 1, the indoor unit of the air conditioner in this embodiment includes an upper air outlet and a lower air outlet, where the upper air outlet is provided with an outer fan and an inner fan, the blades of the two fans are arranged in an axial flow counter-rotating manner, the lower air outlet is provided with a fan, the blades are arranged in an axial flow blade manner, and the lower air outlet is an oblique flow air outlet.

As can be seen from the section a-a shown in fig. 1, the space between the rear box part and the panel part of the air conditioner indoor unit according to the embodiment of the present invention is sequentially provided with an evaporator part, which includes a first evaporation module 502 and a second evaporation module 504, an air duct part, an air outlet frame part, an upper air inlet opening and closing door, and a lower air inlet opening and closing door, and specifically, the air conditioner indoor unit further includes: a sensor assembly 1 such as, but not limited to, a camera (infrared or visible light imaging), a sound pickup, a Wi-Fi communication module, a bluetooth communication module, a radar sensor, an infrared detector, etc.; the panel 2 is used for receiving a touch instruction of a user and displaying operation parameters; the contra-rotating first fan component 3 is arranged at the upper air outlet; an outer fan motor 301 at the upper air outlet; outer fan blades 302 at the upper air outlet; an inner fan blade 303 at the upper air outlet; an inner fan motor 304 at the upper air outlet; a wind deflector 305; a fan component 4 at the lower air outlet; a fan motor 401 at the lower air outlet; fan blades 402 at the lower air outlet; an air guide strip 405; the air inlet grille part 6 is arranged on the rear box body part; and the air guide strip mechanism 7 is arranged on the air outlet frame component.

The outer fan at the upper air outlet comprises an outer fan motor 301 at the upper air outlet and outer fan blades 302 at the upper air outlet, the inner fan at the upper air outlet comprises an inner fan blade 303 at the upper air outlet and an inner fan motor 304 at the upper air outlet, and the fan at the lower air outlet comprises a fan motor 401 at the lower air outlet and a fan blade 402 at the lower air outlet.

As shown in fig. 2, the first evaporation module 502 is provided with a first electronic expansion valve 506 for controlling the flow rate of the refrigerant, and the second evaporation module 504 is provided with a second electronic expansion valve 508 for controlling the flow rate of the refrigerant.

An operation control scheme suitable for the air conditioner shown in fig. 1 and 3 will be further described below with reference to the air conditioner.

Example one

As shown in fig. 3, an operation control method according to an embodiment of the present invention includes: step 102, responding to an operation instruction of an indoor uniform temperature control mode, acquiring a temperature signal of the first temperature sensor and determining the temperature signal as an upper area temperature, and acquiring a temperature signal of the second temperature sensor and determining the temperature signal as a lower area temperature; and 104, if the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than an area adjusting temperature difference threshold, controlling and adjusting the operating parameters of the air conditioner so as to adjust the absolute value of the temperature difference to be less than or equal to the area adjusting temperature difference threshold, wherein the operating parameters of the air conditioner comprise control parameters of the first evaporation module and/or the second evaporation module.

In this embodiment, an evaporator and a plurality of fan assemblies are arranged between the air inlet and the plurality of air outlets of the air conditioner, the plurality of fan assemblies include a first fan assembly and a second fan assembly which are longitudinally arranged from top to bottom, the evaporator includes a first evaporation module which is arranged corresponding to the first fan assembly, and a second evaporation module which is arranged corresponding to the second fan assembly, a temperature sensor for collecting the upper area temperature and the lower area temperature is arranged on the housing of the air conditioner or the indoor space of the air conditioner, and the temperature sensor is preferably arranged at the upper air return opening and the lower air return opening of the air conditioner.

In addition, the height of the designated position can be determined according to the height of the air conditioner and the height of a user, and for the height of the air conditioner, when the air conditioner is provided with two air outlets which are longitudinally arranged, the designated position can be arranged between the two air outlets by combining air outlet control of the air conditioner, on the basis, the height of the designated position can be further adjusted by combining the height of the user, for example, when the number of children in a room is large, the designated position can be arranged close to the lower air outlet, and if most of the children in the room are adults with high height, the designated position is arranged close to the upper air outlet.

In the above embodiment, optionally, a third temperature sensor is disposed on the first evaporation module and configured to collect a tube temperature of the first evaporation module, a fourth temperature sensor is disposed on the second evaporation module and configured to collect a tube temperature of the second evaporation module, a first electronic expansion valve that controls a flow rate of a refrigerant is disposed on the first evaporation module, a second electronic expansion valve is disposed on the second evaporation module, and the controlling and adjusting of the operating parameter of the air conditioner specifically includes: respectively collecting the tube temperature of the first evaporation module and the tube temperature of the second evaporation module, and respectively determining the tube temperatures as the upper tube temperature and the lower tube temperature of the evaporator; calculating the average value of the upper pipe temperature and the lower pipe temperature and determining the average value as the pipe temperature value of the evaporator; determining whether to adjust the first electronic expansion valve according to a relationship between the upper pipe temperature and the pipe temperature mean value, and/or determining whether to adjust the second electronic expansion valve according to a relationship between the lower pipe temperature and the pipe temperature mean value.

In this embodiment, when it is determined that the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than the area adjustment temperature difference threshold, the tube temperature of the first evaporation module and the tube temperature of the second evaporation module may be continuously detected, and a control strategy for the evaporator, that is, an adjustment strategy for the first electronic expansion valve that controls the refrigerant flow rate of the first evaporation module or an adjustment strategy for the second electronic expansion valve that controls the refrigerant flow rate of the second evaporation module, may be determined according to the relationship between the average value of the two detected tube temperatures and the upper tube temperature or the lower tube temperature, so as to achieve the purpose of balanced air outlet with respect to the indoor upper and lower temperature differences.

In any of the above embodiments, optionally, the determining whether to adjust the first electronic expansion valve according to the relationship between the upper pipe temperature and the pipe temperature average value specifically includes: in a refrigeration mode, if the upper pipe temperature is less than a first lower limit threshold value, controlling to increase the opening degree of the first electronic expansion valve, and if the upper pipe temperature is greater than a first upper limit threshold value, controlling to decrease the opening degree of the first electronic expansion valve; in the heating mode, if the upper pipe temperature is lower than a first lower threshold value, the opening degree of the first electronic expansion valve is controlled to be reduced, and if the upper pipe temperature is higher than a first upper threshold value, the opening degree of the first electronic expansion valve is controlled to be increased, wherein the pipe temperature mean value is determined as the first upper threshold value, and the difference value between the pipe temperature mean value and a preset opening degree adjusting temperature difference threshold value is determined as the first lower threshold value.

In this embodiment, for the first evaporation module at the upper portion, an opening degree adjustment temperature difference threshold value representing the temperature adjustment redundancy of the evaporator is set, and the average value of the tube temperatures is combined to determine whether the refrigerant flow of the first evaporation module needs to be adjusted.

In any one of the foregoing embodiments, optionally, the controlling to increase the opening degree of the first electronic expansion valve specifically includes: controlling to increase the opening degree of the first electronic expansion valve according to the first adjusting frequency and the corresponding opening degree amplification; the controlling to reduce the opening degree of the first electronic expansion valve specifically includes: and reducing the opening degree of the first electronic expansion valve according to the second adjusting frequency and the corresponding opening degree amplitude reduction control.

In this embodiment, for the control of increasing the opening degree of the first electronic expansion valve or decreasing the opening degree of the first electronic expansion valve, the pressure of the control system may be changed by gradually increasing the opening degree and/or decreasing the opening degree with a fixed adjustment frequency and adjustment amplitude.

In any of the foregoing embodiments, optionally, the determining whether to adjust the second electronic expansion valve according to the relationship between the lower pipe temperature and the pipe temperature average value specifically includes: in the cooling mode, if the lower pipe temperature is lower than a second lower limit threshold value, controlling to increase the opening degree of the second electronic expansion valve, and if the lower pipe temperature is higher than a second upper limit threshold value, controlling to decrease the opening degree of the second electronic expansion valve; in the heating mode, if the lower pipe temperature is less than a second lower threshold, controlling to reduce the opening degree of the second electronic expansion valve, and if the lower pipe temperature is greater than a second upper threshold, controlling to increase the opening degree of the second electronic expansion valve, wherein the pipe temperature mean value is determined as the second lower threshold, and the sum of the pipe temperature mean value and the adjusting temperature threshold is determined as the second upper threshold.

In this embodiment, for the second evaporation module at the lower portion, an opening degree adjustment temperature difference threshold value representing the temperature adjustment redundancy of the evaporator is set, and the average value of the tube temperatures is combined to determine whether the refrigerant flow of the second evaporation module needs to be adjusted.

In any one of the foregoing embodiments, optionally, the controlling to increase the opening degree of the second electronic expansion valve specifically includes: controlling to increase the opening degree of the second electronic expansion valve according to the third adjusting frequency and the corresponding opening degree amplification; the controlling to reduce the opening degree of the second electronic expansion valve specifically includes: and reducing the opening degree of the second electronic expansion valve according to the fourth adjusting frequency and the corresponding opening degree amplitude reduction control.

In this embodiment, for the control of increasing the opening degree of the second electronic expansion valve or decreasing the opening degree of the second electronic expansion valve, the pressure of the control system may be changed by gradually increasing the opening degree and/or decreasing the opening degree with a fixed adjustment frequency and adjustment amplitude.

And setting the opening degree adjusting temperature difference threshold value as 1 ℃, and if T2b is less than T, controlling to increase the opening degree of the second electronic expansion valve by 4 steps every 20 s.

And if T is less than or equal to T2b and less than or equal to T +1 ℃, maintaining the current opening degree of the second electronic expansion valve unchanged.

And if T2b is greater than T +1 ℃, controlling to reduce the opening degree of the second electronic expansion valve by 4 steps every 20 s.

In any one of the above embodiments, optionally, the controlling and adjusting the operation parameter of the air conditioner specifically further includes: determining whether to adjust a rotational speed of the first fan assembly based on a relationship between the upper zone temperature and the upper duct temperature.

In this embodiment, after the pipe temperature of the evaporation module is adjusted to make the pipe temperature as close as possible to the average pipe temperature, the upper area temperature and the upper pipe temperature in the collection chamber are triggered again to determine whether to adjust the rotation speed of the upper first fan assembly according to the relationship between the upper area temperature and the upper pipe temperature, so that the rotation speed of the fan can be matched with the heating efficiency of the evaporator, thereby preventing the first evaporation module from overheating or insufficient in heating effect, and reducing the longitudinal temperature difference in the chamber.

In any of the foregoing embodiments, optionally, the determining whether to adjust the rotation speed of the first fan assembly according to the relationship between the upper area temperature and the upper pipe temperature specifically includes: determining a temperature difference value between the upper area temperature and the upper pipe temperature as a first temperature difference value, and controlling to reduce the rotating speed of the first fan assembly if the first temperature difference value is detected to be smaller than a third lower threshold; and if the first temperature difference value is larger than a third upper limit threshold value, controlling to increase the rotating speed of the first fan assembly, wherein the third lower limit threshold value is smaller than the third upper limit threshold value.

In this embodiment, by defining a third threshold range composed of a third lower threshold and a third upper threshold, whether the heat exchange efficiency of the first evaporation module and the first fan assembly achieve adaptive operation or not is represented by a third threshold value range, in the case where it is detected that the first temperature difference value between the upper zone temperature and the upper pipe temperature is less than the third lower threshold value or greater than the third upper threshold value, indicating that the mismatch relationship exists between the rotating speed of the first fan assembly and the heat exchange efficiency of the first evaporation module, since the adjustment of the upper pipe temperature is already realized by adjusting the opening degree of the electronic expansion valve on the premise that the adjustment is necessary, therefore, the relationship between the upper region temperature and the upper pipe temperature is realized by adjusting the rotating speed of the fan, so that the difference value is within the third threshold range, and the air outlet efficiency of the air outlet at the upper part is ensured to meet the requirement of indoor balanced temperature control.

In any one of the foregoing embodiments, optionally, the controlling to reduce the rotation speed of the first fan assembly specifically includes: controlling to reduce the rotating speed of the first fan assembly according to a fifth adjusting frequency and a corresponding first speed reduction amplitude; the control improves the rotational speed of first fan subassembly specifically includes: and controlling and increasing the rotating speed of the first fan assembly according to the sixth adjusting frequency and the corresponding first speed increasing amplitude.

In any one of the above embodiments, optionally, the controlling and adjusting the operation parameter of the air conditioner further includes: determining whether to adjust a rotational speed of the second fan assembly based on a relationship between the lower zone temperature and the lower duct temperature.

In this embodiment, after the pipe temperature of the evaporation module is adjusted to make the pipe temperature as close as possible to the average pipe temperature, the lower region temperature and the lower pipe temperature in the collection chamber are triggered again, and whether the rotating speed of the second fan assembly of the lower part is adjusted is determined according to the relationship between the lower region temperature and the lower pipe temperature, so that the rotating speed of the fan can be matched with the heating efficiency of the evaporator, thereby preventing the second evaporation module from overheating due to the pipe temperature or insufficient heating effect, ensuring the heating effect of the air outlet from the lower part to the feet of the user in the foot warming mode, and further ensuring the operating efficiency in the foot warming mode.

In any of the foregoing embodiments, optionally, the determining whether to adjust the rotation speed of the second fan assembly according to the relationship between the lower area temperature and the lower pipe temperature specifically includes: determining a temperature difference value between the lower area temperature and the lower pipe temperature as a second temperature difference value, and controlling to reduce the rotating speed of the second fan assembly if the second temperature difference value is smaller than a fourth lower limit threshold value; and if the second temperature difference value is larger than a fourth upper threshold value, controlling to increase the rotating speed of the second fan assembly, wherein the fourth lower threshold value is smaller than the fourth upper threshold value.

In this embodiment, by defining a fourth threshold range composed of a fourth lower threshold and a fourth upper threshold, whether the heat exchange efficiency of the first evaporation module and the first fan assembly achieve adaptive operation or not is represented by a fourth threshold value range, in the case where it is detected that the second temperature difference value between the lower zone temperature and the lower pipe temperature is smaller than the fourth lower threshold value or larger than the fourth upper threshold value, indicating that the mismatch relationship exists between the rotating speed of the second fan assembly and the heat exchange efficiency of the second evaporation module, since the adjustment of the lower pipe temperature is already performed by adjusting the opening degree of the electronic expansion valve on the premise that it is necessary, therefore, the relationship between the temperature of the lower area and the temperature of the lower pipe is realized by adjusting the rotating speed of the fan, so that the difference value is within the range of the fourth threshold value, and the air outlet efficiency of the air outlet at the lower part is ensured to meet the requirement of indoor balanced temperature control.

In any one of the foregoing embodiments, optionally, the controlling to reduce the rotation speed of the second fan assembly specifically includes: controlling to reduce the rotating speed of the second fan assembly according to the seventh adjusting frequency and the corresponding second speed reduction amplitude; the control improves the rotational speed of second fan subassembly specifically includes: and controlling and increasing the rotating speed of the second fan assembly according to the eighth adjusting frequency and the corresponding second speed increasing amplitude.

In any of the foregoing embodiments, optionally, after detecting that the first fan assembly and/or the second fan assembly is decelerated, the method further includes: if the temperature of the lower area is detected to be smaller than a fifth lower limit threshold value, controlling to increase the maximum operation frequency of a compressor of the air conditioner; and if the upper area temperature is detected to be greater than a fifth upper limit threshold, controlling to reduce the maximum operating frequency of the compressor, wherein the fifth lower limit threshold is smaller than the fifth upper limit threshold, increasing the maximum operating frequency according to ninth adjusting frequency and corresponding frequency amplification control, and/or reducing the maximum operating frequency according to tenth adjusting frequency and corresponding frequency amplification control.

In this embodiment, when detecting that the fan rotation speed of the first fan assembly and/or the second fan assembly decreases, correspondingly, the operation frequency of the compressor also needs to be adjusted, and the adjustment of the operation frequency of the compressor can be determined based on the collected lower tube temperature of the second evaporation module, specifically, a fifth threshold range formed by presetting a fifth lower threshold and a fifth upper threshold is used to represent the tube temperature of the second evaporation module matching the current operation frequency of the compressor by the fifth threshold range, and if the actual lower tube temperature is not within the fifth threshold range, it indicates that the operation frequency of the compressor needs to be adjusted to adapt to the lower tube temperature, and finally, in the foot warming mode, the operation frequency of the compressor, the opening degree of an electronic expansion valve on the evaporator, and the fan rotation speed are adapted to each other, so as to perform efficient foot warming operation, thereby achieving the effect of reducing power consumption.

In any of the foregoing embodiments, optionally, the first fan assembly includes a first fan and a second fan that are arranged in a contra-rotating manner, and the first fan and the second fan are axial fans or oblique fans.

In any of the above embodiments, optionally, the second fan assembly is provided with a single fan, and the single fan is any one of an axial fan, a diagonal fan, a cross-flow fan and a centrifugal fan.

Example two:

as shown in fig. 4, the operation control device 200 according to the embodiment of the present invention includes a processor 202, and the processor 202 is capable of executing the following steps: responding to an operation instruction of an indoor uniform temperature control mode, acquiring a temperature signal of the first temperature sensor and determining the temperature signal as the temperature of an upper area, and acquiring a temperature signal of the second temperature sensor and determining the temperature signal as the temperature of a lower area; if the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than the area adjusting temperature difference threshold value, the operation parameters of the air conditioner are controlled and adjusted, so that the absolute value of the temperature difference is adjusted to be less than or equal to the area adjusting temperature difference threshold value, and the operation parameters of the air conditioner comprise the control parameters of the first evaporation module and/or the second evaporation module.

In the above embodiment, optionally, a temperature sensor is disposed at a designated position of each section of the evaporation module to collect a pipe temperature of the corresponding evaporation module, and the first evaporation module is provided with a first electronic expansion valve for controlling a flow rate of a refrigerant, and the processor 202 is specifically configured to: respectively collecting the tube temperature of the first evaporation module and the tube temperature of the second evaporation module, and respectively determining the tube temperatures as the upper tube temperature and the lower tube temperature of the evaporator; calculating the average value of the upper pipe temperature and the lower pipe temperature and determining the average value as the pipe temperature value of the evaporator; determining whether to adjust the first electronic expansion valve according to a relationship between the upper pipe temperature and the pipe temperature mean value, and/or determining whether to adjust the second electronic expansion valve according to a relationship between the lower pipe temperature and the pipe temperature mean value.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: in a refrigeration mode, if the upper pipe temperature is less than a first lower limit threshold value, controlling to increase the opening degree of the first electronic expansion valve, and if the upper pipe temperature is greater than a first upper limit threshold value, controlling to decrease the opening degree of the first electronic expansion valve; in the heating mode, if the upper pipe temperature is less than a first lower threshold value, the opening degree of the first electronic expansion valve is controlled to be reduced, if the upper pipe temperature is greater than a first upper threshold value, the opening degree of the first electronic expansion valve is controlled to be increased,

In any of the above embodiments, optionally, the processor 202 is specifically configured to: controlling to increase the opening degree of the first electronic expansion valve according to the first adjusting frequency and the corresponding opening degree amplification; and reducing the opening degree of the first electronic expansion valve according to the second adjusting frequency and the corresponding opening degree amplitude reduction control.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: in the cooling mode, if the lower pipe temperature is lower than a second lower limit threshold value, controlling to increase the opening degree of the second electronic expansion valve, and if the lower pipe temperature is higher than a second upper limit threshold value, controlling to decrease the opening degree of the second electronic expansion valve; in the heating mode, if the lower pipe temperature is less than a second lower threshold, controlling to reduce the opening degree of the second electronic expansion valve, and if the lower pipe temperature is greater than a second upper threshold, controlling to increase the opening degree of the second electronic expansion valve, wherein the pipe temperature mean value is determined as the second lower threshold, and the sum of the pipe temperature mean value and the adjusting temperature threshold is determined as the second upper threshold.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: controlling to increase the opening degree of the second electronic expansion valve according to the third adjusting frequency and the corresponding opening degree amplification; and reducing the opening degree of the second electronic expansion valve according to the fourth adjusting frequency and the corresponding opening degree amplitude reduction control.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: determining whether to adjust a rotational speed of the first fan assembly based on a relationship between the upper zone temperature and the upper duct temperature.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: determining a temperature difference value between the upper area temperature and the upper pipe temperature as a first temperature difference value, and controlling to reduce the rotating speed of the first fan assembly if the first temperature difference value is detected to be smaller than a third lower threshold; and if the first temperature difference value is larger than a third upper limit threshold value, controlling to increase the rotating speed of the first fan assembly, wherein the third lower limit threshold value is smaller than the third upper limit threshold value.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: controlling to reduce the rotating speed of the first fan assembly according to a fifth adjusting frequency and a corresponding first speed reduction amplitude; and controlling and increasing the rotating speed of the first fan assembly according to the sixth adjusting frequency and the corresponding first speed increasing amplitude.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: determining whether to adjust a rotational speed of the second fan assembly based on a relationship between the lower zone temperature and the lower duct temperature.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: determining a temperature difference value between the lower area temperature and the lower pipe temperature as a second temperature difference value, and controlling to reduce the rotating speed of the second fan assembly if the second temperature difference value is smaller than a fourth lower limit threshold value; and if the second temperature difference value is larger than a fourth upper threshold value, controlling to increase the rotating speed of the second fan assembly, wherein the fourth lower threshold value is smaller than the fourth upper threshold value.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: controlling to reduce the rotating speed of the second fan assembly according to the seventh adjusting frequency and the corresponding second speed reduction amplitude; and controlling and increasing the rotating speed of the second fan assembly according to the eighth adjusting frequency and the corresponding second speed increasing amplitude.

In any of the above embodiments, optionally, the processor 202 is specifically configured to: if the temperature of the lower area is detected to be smaller than a fifth lower limit threshold value, controlling to increase the maximum operation frequency of a compressor of the air conditioner; and if the upper area temperature is detected to be greater than a fifth upper limit threshold, controlling to reduce the maximum operating frequency of the compressor, wherein the fifth lower limit threshold is smaller than the fifth upper limit threshold, increasing the maximum operating frequency according to ninth adjusting frequency and corresponding frequency amplification control, and/or reducing the maximum operating frequency according to tenth adjusting frequency and corresponding frequency amplification control.

Example three:

an operation control method according to an embodiment of the present application will be described with reference to the air conditioner and the evaporator shown in fig. 1 and fig. 2, where the evaporator includes an upper first evaporation module 502 and a lower second evaporation module 504, the first evaporation module 502 is correspondingly provided with a first electronic expansion valve 506 for adjusting a flow rate of a refrigerant, the second evaporation module 504, the first evaporation module 502 is correspondingly provided with a first electronic expansion valve 506 for adjusting a flow rate of a refrigerant, a lower area temperature in a room is represented by T1b, an upper area temperature is represented by T1a, a lower pipe temperature is represented by T2b, and an upper pipe temperature is represented by T2a, and an implementation process of the operation control method includes:

and controlling and adjusting the operating parameters of the air conditioner if the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than the area adjusting temperature difference threshold, wherein the operating parameters comprise the opening degree of an electronic expansion valve, the rotating speed of a fan, the operating frequency of a compressor and the like.

Wherein, the opening degree of the electronic expansion valve can be firstly adjusted, T is used as the average value of T2b and T2a, and the opening degree adjusting temperature difference threshold value is set to be 1 ℃.

For the first evaporation module 502, if T2a < T-1 ℃, control increases the opening of the first electronic expansion valve 506 by 4 steps every 20 s.

If T-1 ℃ is more than or equal to T2a and less than or equal to T, the current opening degree of the first electronic expansion valve 506 is maintained unchanged.

If T2a > T, the opening degree of the first electronic expansion valve 506 is controlled to be decreased by 4 steps every 20 s.

For the second evaporation module 504, if T2b < T, control increases the opening of the second electronic expansion valve 508 by 4 steps every 20 s.

And if T is less than or equal to T2b and less than or equal to T +1 ℃, maintaining the current opening degree of the second electronic expansion valve 508 unchanged.

If T2b > T +1 ℃, the opening degree of the second electronic expansion valve 508 is controlled to be decreased by 4 steps every 20 s.

After the evaporation module is adjusted, the pipe temperature of the evaporation module and the environment temperature of the corresponding area are combined to determine whether the rotating speed of the fan assembly is adjusted.

After the adjustment operation of the first evaporation module 502 is completed, the difference between T2a-T1a is determined, so as to adjust the rotation speed of the first fan assembly 3 corresponding to the first evaporation module 502 according to the determination result, and maintain the outlet air temperature of the upper outlet by properly adjusting the rotation speed of the first fan assembly 3, thereby preventing the refrigerant flow of the upper and lower evaporation modules from changing to generate larger outlet air temperature fluctuation.

If T2a-T1a is less than 8 ℃, the rotation speed of the first fan assembly is reduced, the rotation speed is adjusted once every 30s (third adjustment frequency), and 50rpm (first speed reduction amplitude) can be reduced each time, wherein the third adjustment frequency and the first speed reduction amplitude can also be adjusted according to actual operation conditions.

And if the temperature is more than or equal to 8 ℃ and less than or equal to T2a-T1a and less than or equal to 10 ℃, maintaining the current rotating speed of the first fan assembly 3 unchanged.

If T2a-T1a >10 ℃, the rotational speed of the first fan assembly 3 is increased, and is adjusted once every 30s (fourth adjustment frequency), and is increased by 50rpm (first speed increase amplitude) each time, wherein the fourth adjustment frequency and the first speed increase amplitude can also be adjusted according to actual operating conditions.

After the adjustment operation of the second evaporation module 504 is completed, the difference between T2b-T1b is determined, so as to adjust the rotation speed of the second fan assembly 4 corresponding to the second evaporation module 504 according to the determination result, thereby achieving the purpose of increasing the outlet air temperature of the lower air outlet.

If T2b-T1b is less than 10 ℃, the rotation speed of the second fan assembly 4 is reduced, the rotation speed is adjusted once every 30s (the fifth adjustment frequency), and 50rpm (the second speed reduction amplitude) can be reduced each time, wherein the fifth adjustment frequency and the second speed reduction amplitude can also be adjusted according to the actual operation condition.

And if the temperature is more than or equal to 10 ℃ and less than or equal to T2b-T1b and less than or equal to 12 ℃, maintaining the current rotating speed of the second fan assembly 4 unchanged.

If T2b-T1b >12 ℃, the rotation speed of the second fan assembly 4 is increased, and is adjusted once every 30s (sixth adjustment frequency), and is increased by 50rpm (second speed increase amplitude) each time, wherein the sixth adjustment frequency and the second speed increase amplitude can also be adjusted according to actual operating conditions.

After the speed is controlled to be reduced, the maximum frequency of the compressor is allowed to be changed due to the change of the air outlet quantity so as to ensure the normal operation of the system, and the maximum operation frequency of the compressor is adjusted according to the value of T2 b.

By adjusting the electronic expansion valve, the rotating speed of the fan and the running frequency of the compressor, the indoor uniform temperature control is realized.

Example four:

FIG. 5 is a schematic block diagram of a computer-readable storage medium of another embodiment of the present invention.

As shown in fig. 5, according to the embodiment of the present invention, a computer-readable storage medium 502 is further provided, where the computer-readable storage medium 502 stores an operation control program, and the operation control program, when executed by the processor 202, implements the steps of the operation control method defined in any one of the above technical solutions.

The operation control device 200 according to the embodiment of the present invention may be a portable terminal device having a display function, such as a PC (Personal Computer), a smart phone, a tablet PC, an electronic book reader, an MP4(Mobile Pentium 4, video player), and a portable Computer.

As shown in fig. 5, the operation Control device 200 includes a Processor 202 (e.g., a CPU (Central Processing Unit), an MCU (micro programmed Control Unit), a DSP (Digital Signal Processor), an embedded device, etc.), a memory 204, a network communication module 206, and an interface module 208, and the air conditioner is further provided with a communication bus, a user interface 604, and a network interface 606.

The communication bus is used to implement connection and communication between these components, the user interface 604 may include a Display (Display) and an input unit Keyboard, such as a Keyboard (Keyboard) and a touch screen, the network interface 606 may optionally include a standard wired interface, a Wireless interface (e.g., a Wi-Fi (Wireless Fidelity, Wireless local area network based on IEEE 802.11b standard)), a bluetooth interface, an infrared interface, and the like), the memory 204 may be a high-speed RAM (random access memory) or a solid-state memory (non-volatile memory), and the memory 204 may also be a storage device independent of the processor 202.

As shown in fig. 5, the network interface 606 is mainly used for connecting to a cloud server, performing data interaction with the cloud server, and feeding back the interacted data to the network communication module 206, the user interface 604 may be connected to a client (user end), performing data interaction with the client, and feeding back the interacted data to the interface module 208, and the processor 202 may be used for calling an operation control program of the air conditioner stored in the memory 204.

The technical scheme of the invention is described in detail with reference to the accompanying drawings, and after an operation instruction of an indoor uniform temperature control mode is obtained, the temperature of an upper area and the temperature of a lower area are detected firstly to determine the temperature difference value of the temperatures of the upper area and the lower area, so as to determine the operation strategy of the air conditioner according to the temperature difference value, further determine corresponding operation parameters based on the operation strategy, and control the operation of the air conditioner through the operation parameters, so that the absolute value of the temperature difference between the temperature of the upper area and the temperature of the lower area is smaller than an area adjustment temperature difference threshold, so that the indoor temperature is uniformly distributed, and the body feeling comfort level of a user is improved.

As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made therein without departing from the scope of the invention as defined in the appended claims and their equivalents, and it is intended that the invention encompass such changes and modifications as well.

Claims

1. An operation control method is suitable for an air conditioner and is characterized in that an evaporator and a plurality of fan assemblies are arranged between an air inlet and a plurality of air outlets of the air conditioner, each fan assembly comprises a first fan assembly and a second fan assembly which are longitudinally arranged from top to bottom, the evaporator comprises a first evaporation module and a second evaporation module, the first evaporation module is arranged corresponding to the first fan assembly, the second evaporation module is arranged corresponding to the second fan assembly, a room area above a specified position on the air conditioner is determined to be an upper area, a room area below the specified position is determined to be a lower area, the upper area is provided with a first temperature sensor, and the lower area is provided with a second temperature sensor, the operation control method comprises the following steps:

responding to an operation instruction of an indoor uniform temperature control mode, acquiring a temperature signal of the first temperature sensor and determining the temperature signal as the temperature of an upper area, and acquiring a temperature signal of the second temperature sensor and determining the temperature signal as the temperature of a lower area;

if the absolute value of the temperature difference between the upper area temperature and the lower area temperature is greater than a preset area adjusting temperature difference threshold, controlling and adjusting the operating parameters of the air conditioner to adjust the absolute value of the temperature difference to be less than or equal to the area adjusting temperature difference threshold, wherein the operating parameters of the air conditioner comprise control parameters of the first evaporation module and/or the second evaporation module;

the last third temperature sensor that is provided with of first evaporation module for gather the pipe temperature of first evaporation module, with be provided with the fourth temperature sensor on the second evaporation module, be used for gathering the pipe temperature of second evaporation module, be provided with the first electronic expansion valve of control refrigerant flow on the first evaporation module, be provided with the second electronic expansion valve on the second evaporation module, control regulation the operating parameter of air conditioner specifically includes:

respectively collecting the tube temperature of the first evaporation module and the tube temperature of the second evaporation module, and respectively determining the tube temperatures as the upper tube temperature and the lower tube temperature of the evaporator;

calculating the average value of the upper pipe temperature and the lower pipe temperature and determining the average value as the pipe temperature value of the evaporator;

determining whether to adjust the first electronic expansion valve according to a relationship between the upper pipe temperature and the pipe temperature mean value, and/or determining whether to adjust the second electronic expansion valve according to a relationship between the lower pipe temperature and the pipe temperature mean value.

2. The operation control method according to claim 1, wherein the determining whether to adjust the first electronic expansion valve according to the relationship between the upper pipe temperature and the pipe temperature average value specifically includes:

in a refrigeration mode, if the upper pipe temperature is less than a first lower limit threshold value, controlling to increase the opening degree of the first electronic expansion valve, and if the upper pipe temperature is greater than a first upper limit threshold value, controlling to decrease the opening degree of the first electronic expansion valve;

in the heating mode, if the upper pipe temperature is less than a first lower threshold value, the opening degree of the first electronic expansion valve is controlled to be reduced, if the upper pipe temperature is greater than a first upper threshold value, the opening degree of the first electronic expansion valve is controlled to be increased,

and determining the tube temperature average value as the first upper limit threshold, and determining the difference value between the tube temperature average value and a preset opening degree adjusting temperature difference threshold as the first lower limit threshold.

3. The operation control method according to claim 2,

the controlling and increasing the opening degree of the first electronic expansion valve specifically comprises: controlling to increase the opening degree of the first electronic expansion valve according to the first adjusting frequency and the corresponding opening degree amplification;

the controlling to reduce the opening degree of the first electronic expansion valve specifically includes: and reducing the opening degree of the first electronic expansion valve according to the second adjusting frequency and the corresponding opening degree amplitude reduction control.

4. The operation control method according to claim 1, wherein the determining whether to adjust the second electronic expansion valve according to the relationship between the lower pipe temperature and the pipe temperature average value specifically includes:

in the cooling mode, if the lower pipe temperature is lower than a second lower limit threshold value, controlling to increase the opening degree of the second electronic expansion valve, and if the lower pipe temperature is higher than a second upper limit threshold value, controlling to decrease the opening degree of the second electronic expansion valve;

in the heating mode, if the lower pipe temperature is less than a second lower threshold value, the opening degree of the second electronic expansion valve is controlled to be reduced, if the lower pipe temperature is greater than a second upper threshold value, the opening degree of the second electronic expansion valve is controlled to be increased,

and determining the tube temperature average value as the second lower limit threshold, and determining the sum of the tube temperature average value and the preset opening degree adjusting temperature difference threshold as the second upper limit threshold.

5. The operation control method according to claim 4,

the controlling and increasing the opening degree of the second electronic expansion valve specifically includes: controlling to increase the opening degree of the second electronic expansion valve according to the third adjusting frequency and the corresponding opening degree amplification;

the controlling to reduce the opening degree of the second electronic expansion valve specifically includes: and reducing the opening degree of the second electronic expansion valve according to the fourth adjusting frequency and the corresponding opening degree amplitude reduction control.

6. The operation control method according to claim 2, wherein the controlling adjusts an operation parameter of the air conditioner, and specifically further comprises:

determining whether to adjust a rotational speed of the first fan assembly based on a relationship between the upper zone temperature and the upper duct temperature.

7. The operation control method according to claim 6, wherein the determining whether to adjust the rotation speed of the first fan assembly according to the relationship between the upper zone temperature and the upper duct temperature specifically includes:

determining a temperature difference value between the upper area temperature and the upper pipe temperature as a first temperature difference value, and controlling to reduce the rotating speed of the first fan assembly if the first temperature difference value is detected to be smaller than a third lower threshold;

if the first temperature difference value is detected to be larger than a third upper limit threshold value, the rotating speed of the first fan assembly is controlled to be increased,

wherein the third lower threshold is less than the third upper threshold.

8. The operation control method according to claim 7,

the control reduces the rotational speed of first fan subassembly specifically includes: controlling to reduce the rotating speed of the first fan assembly according to a fifth adjusting frequency and a corresponding first speed reduction amplitude;

the control improves the rotational speed of first fan subassembly specifically includes: and controlling and increasing the rotating speed of the first fan assembly according to the sixth adjusting frequency and the corresponding first speed increasing amplitude.

9. The operation control method according to claim 4, wherein the controlling adjusts an operation parameter of the air conditioner, further comprising:

determining whether to adjust a rotational speed of the second fan assembly based on a relationship between the lower zone temperature and the lower duct temperature.

10. The operation control method according to claim 9, wherein the determining whether to adjust the rotation speed of the second fan assembly according to the relationship between the lower zone temperature and the lower duct temperature specifically includes:

determining a temperature difference value between the lower area temperature and the lower pipe temperature as a second temperature difference value, and controlling to reduce the rotating speed of the second fan assembly if the second temperature difference value is smaller than a fourth lower limit threshold value;

if the second temperature difference value is detected to be larger than a fourth upper limit threshold value, the rotating speed of the second fan assembly is controlled to be increased,

wherein the fourth lower threshold is less than the fourth upper threshold.

11. The operation control method according to claim 10,

the control reduces the rotational speed of second fan subassembly specifically includes: controlling to reduce the rotating speed of the second fan assembly according to the seventh adjusting frequency and the corresponding second speed reduction amplitude;

the control improves the rotational speed of second fan subassembly specifically includes: and controlling and increasing the rotating speed of the second fan assembly according to the eighth adjusting frequency and the corresponding second speed increasing amplitude.

12. The operation control method according to claim 8 or 11, further comprising, after detecting a deceleration of the first fan assembly and/or the second fan assembly:

if the temperature of the lower area is detected to be smaller than a fifth lower limit threshold value, controlling to increase the maximum operation frequency of a compressor of the air conditioner;

controlling to reduce the maximum operating frequency of the compressor if it is detected that the upper zone temperature is greater than a fifth upper threshold,

and the fifth lower limit threshold is smaller than the fifth upper limit threshold, the maximum operating frequency is increased according to a ninth adjusting frequency and corresponding frequency amplification control, and/or the maximum operating frequency is decreased according to a tenth adjusting frequency and corresponding frequency amplitude reduction control.

13. The operation control method according to any one of claims 1 to 11,

the first fan assembly comprises a first fan and a second fan which are arranged in a contra-rotating mode, the first fan and the second fan are axial flow fans, or the first fan and the second fan are oblique flow fans.

14. The operation control method according to any one of claims 1 to 11,

the second fan assembly is provided with a single fan, and the single fan is any one of an axial flow fan, an oblique flow fan, a cross flow fan and a centrifugal fan.

15. An operation control device is suitable for an air conditioner, an evaporator and a plurality of fan components are arranged between an air inlet and a plurality of air outlets of the air conditioner, the plurality of fan components comprise a first fan component and a second fan component which are longitudinally arranged from top to bottom, the evaporator comprises a first evaporation module which is arranged corresponding to the first fan component, and a second evaporation module which is arranged corresponding to the second fan component, and the operation control device is characterized in that,

the operation control device includes a processor capable of implementing the steps defined by the operation control method according to any one of claims 1 to 14 when the processor executes a computer program.

16. An air conditioner, comprising:

the operation control device according to claim 15.

17. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed, implements the steps of the operation control method according to any one of claims 1 to 14.