CN110017588B

CN110017588B - Operation control method, operation control device, air conditioner and computer readable storage medium

Info

Publication number: CN110017588B
Application number: CN201910310623.1A
Authority: CN
Inventors: 黄延聪; 肖阳
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: 2021-03-16
Anticipated expiration: 2039-04-17
Also published as: CN110017588A

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 a rapid heating mode, respectively acquiring the tube temperature of a first evaporation module, the tube temperature of a second evaporation module and the ambient temperature, determining the tube temperature of the first evaporation module as the upper tube temperature, and determining the tube temperature of the second evaporation module as the lower tube temperature; and if the upper pipe temperature, the lower pipe temperature and the environment temperature are detected to meet preset starting conditions, determining to enter a rapid heating mode, controlling the air conditioner to operate according to a rapid heating strategy, and after entering the rapid heating mode, controlling the air conditioner to operate according to the rapid heating strategy. According to the technical scheme, after the air conditioner enters the quick heating mode, the air conditioner is controlled to operate according to the corresponding quick heating strategy, so that quick heating is realized, the waiting time of heating and blowing is shortened when heating operation is carried out, the heating efficiency is improved, and the user experience 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 through heat exchange between the evaporator of the integrated type and indoor airflow, and the heat exchange area of the evaporator of the integrated type is large, so that the user experience is poor due to the fact that the user needs to wait for a long time in the heating process.

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 a rapid heating mode, respectively acquiring the tube temperature of the first evaporation module, the tube temperature of the second evaporation module and the ambient temperature, determining the tube temperature of the first evaporation module as an upper tube temperature, and determining the tube temperature of the second evaporation module as a lower tube temperature; and if the upper pipe temperature, the lower pipe temperature and the environment temperature are detected to meet preset starting conditions, determining to enter the rapid heating mode, and controlling the air conditioner to operate according to a rapid heating strategy after entering the rapid heating mode.

The ambient temperature is the temperature of the room in which the air conditioner is located.

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 above structural arrangement, after the operation instruction of the rapid heating mode is obtained, the upper pipe temperature, the lower pipe temperature and the environment temperature are respectively acquired by triggering, so that whether the current working condition temperature is preset to be balanced or not is determined through detecting the correlation among the plurality of temperatures, that is, whether the pressure of the operation system of the air conditioner can be balanced or not is determined, the operation of the rapid heating mode is controlled to be started after the pressure is balanced, and the abnormal operation of the rapid heating mode is prevented from being forcibly started under the condition that the system pressure is unbalanced.

Further, after the upper pipe temperature, the lower pipe temperature and the environment temperature are detected to meet preset starting conditions, namely the running conditions of the rapid heating mode are met, the rapid heating mode is determined to enter, and the air conditioner is controlled to run according to the corresponding rapid heating strategy after the rapid heating mode is entered, so that rapid heating is realized, the waiting time of heating air blowing is shortened when heating operation is carried out, the heating efficiency is improved, and the user experience is improved.

Those skilled in the art will also appreciate that the rapid heating mode refers to an operating mode having a higher heating efficiency relative to the prior art.

It will also be understood by those skilled in the art that the upper tube temperature, lower tube temperature, upper zone temperature and lower zone temperature referred to herein may be real-time temperatures.

In the foregoing technical solution, optionally, a room area above a specified position on the air conditioner is determined as an upper area, a room area below the specified position is determined as a lower area, a temperature of the lower area is determined as a lower area temperature, the environmental temperature includes a lower area temperature, and if it is detected that an absolute difference between the upper pipe temperature and the lower pipe temperature is smaller than a first temperature difference threshold and an absolute difference between the lower pipe temperature and the lower area temperature is smaller than a second temperature difference threshold, it is determined that the preset starting condition is satisfied.

In this technical scheme, set up the evaporimeter to including the first evaporation module that is in the upper portion and the second evaporation module that is in the lower part that can independently control business turn over refrigerant, correspond with first evaporation module and set up first fan subassembly, correspond with second evaporation module and set up the 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.

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 more, 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 method comprises the steps that whether temperature balance is kept between an upper pipe temperature and a lower pipe temperature is represented by adopting a first temperature difference threshold value, whether pressure balance is kept between a first evaporation module and a second evaporation module is determined by detecting whether temperature balance is achieved or not, the lower pipe temperature is specifically the return air temperature of an area corresponding to the second evaporation module at an air return opening, whether temperature balance is achieved or not is represented by adopting a second temperature difference threshold value, whether a condition of quick heating initialization operation is met or not is determined by detecting the temperature balance, and compared with the detection of the upper pipe temperature and the upper area temperature, the detection accuracy of system pressure is higher through the detection of the lower pipe temperature and the lower area temperature, so that the absolute difference value between the upper pipe temperature and the lower pipe temperature is smaller than the first temperature difference threshold value and the absolute difference value between the lower pipe temperature and the lower area temperature is smaller than the second temperature difference threshold value And under the condition of the threshold value, the quick heating mode can be normally started to operate, so that the operation probability of the quick heating mode is reduced.

In addition, the rapid heating mode can be determined to be started normally by detecting that the absolute difference between the upper pipe temperature and the lower pipe temperature is smaller than a first temperature difference threshold value and the absolute difference between the upper pipe temperature and the upper area temperature (the upper pipe temperature is specifically the return air temperature of the area corresponding to the first evaporation module at the return air inlet) is smaller than a second temperature difference threshold value.

The first temperature difference threshold and the second temperature difference threshold may be values within a range of [1.5 ℃, 2.5 ℃), and as a preferred scheme, 2 ℃ may be used as the first temperature difference threshold and the second temperature difference threshold at the same time.

In any one of the above technical solutions, optionally, a first electronic expansion valve for controlling 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 after entering the fast heating mode, the air conditioner is controlled to operate according to a fast heating strategy, which specifically includes: controlling to close one of the first electronic expansion valve and the second electronic expansion valve and controlling to open the other one to a preset default opening degree, controlling the compressor to start and operate after the other one is opened to the preset default opening degree, and continuously detecting the upper pipe temperature and the upper area temperature or continuously detecting the lower pipe temperature and the lower area temperature according to a specified time interval after controlling the compressor to start and operate.

In the technical scheme, after entering the rapid heating mode, a specific rapid heating strategy includes controlling to close one of the first electronic expansion valve and the second electronic expansion valve to stop inputting the refrigerant into the corresponding evaporation module, and correspondingly, controlling to open the other evaporation module to a preset default opening degree to enable different evaporation modules to quickly form a pressure difference, so that after the compressor is started, the whole heating system is driven by the pressure difference to quickly operate, a heating starting period is shortened, and the purpose of indoor rapid heating is achieved.

After the compressor is controlled to be started, the temperature change of the pipe temperature of the evaporation module and the temperature change of the environment temperature of the corresponding area can be continuously detected according to a specified time interval, and subsequent operation parameter adjustment is executed based on temperature change.

The preset default opening degree can be an opening degree for controlling the opening degree of the electronic expansion valve in the ordinary heating mode.

In any of the above technical solutions, optionally, if the second electronic expansion valve is controlled to be closed and the opening degree of the first electronic expansion valve is opened to the preset default opening degree, after the compressor is controlled to be opened for a specified time, if it is detected that the upper pipe temperature is less than a first temperature lower limit threshold, the opening degree of the first electronic expansion valve is controlled to be reduced; and if the upper pipe temperature is detected to be greater than a first temperature upper limit threshold value, controlling to increase the opening degree of the first electronic expansion valve, wherein the first temperature lower limit threshold value is smaller than the first temperature upper limit threshold value.

In the technical scheme, for example, after the first electronic expansion valve at the upper part is opened and the second electronic expansion valve at the lower part is closed, after the first electronic expansion valve is opened and the compressor runs for a specified time, the upper pipe temperature is triggered and detected again, whether the opening degree of the first electronic expansion valve needs to be adjusted is determined according to the relation between the upper pipe temperature and a first temperature lower limit threshold or a first temperature upper limit threshold, wherein a first temperature lower limit threshold and the first temperature upper limit threshold are adopted to form a first temperature threshold range, the first temperature threshold range is adopted to represent that the heat exchange efficiency of the current first heat exchange module can meet the heat exchange requirement of rapid heating, the opening degree of the first electronic expansion valve is correspondingly reduced when the first temperature lower limit threshold is smaller than the first temperature lower limit threshold so as to realize the upper pipe temperature rise, or when the first temperature upper limit threshold is larger than the first temperature upper limit threshold, the opening degree of the first electronic control valve is correspondingly increased, thereby realizing the rapid heat exchange of the current first evaporation module.

Specifically, the specified time duration refers to a time duration which can satisfy the condition that the refrigerant is filled in the corresponding first evaporation module, so that the first evaporation module and the indoor airflow perform the initial heat exchange operation, and preferably, 1 minute is used as the specified time duration.

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

In the technical scheme, the opening degree of the first electronic expansion valve is adjusted, and the pressure of the control system is changed by gradually increasing and/or decreasing the opening degree through fixed adjusting frequency and adjusting amplitude, so that the abnormal operation of the system caused by overlarge adjusting amplitude is prevented.

For example, the lower zone temperature is represented by T1b, the upper zone temperature by T1a, the lower tube temperature by T2b, and the upper tube temperature by T2 a.

If T2a is <35 ℃, the opening degree of the first electronic expansion valve is decreased by 16 steps every 5 s.

And T2a is more than or equal to 35 ℃ and less than or equal to 40 ℃, and the current opening degree of the first electronic expansion valve is maintained.

And if the T2a is higher than 40 ℃, increasing the opening degree of the first electronic expansion valve, and specifically, increasing the opening degree by 8 steps every 5 s.

In any one of the above technical solutions, optionally, after entering the fast heating mode, controlling the air conditioner to operate according to a fast heating policy, specifically, the method further includes: determining a temperature difference value between the upper pipe temperature and the upper area 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 first temperature difference lower limit threshold value in the rapid heating mode; if the first temperature difference value is detected to be larger than a first temperature difference upper limit threshold value, the rotating speed of the first fan assembly is controlled to be increased, wherein the first temperature difference lower limit threshold value is smaller than the first temperature difference upper limit threshold value.

In the technical scheme, after the adjustment of the opening of the first electronic expansion valve on the first evaporation module is completed, the upper pipe temperature and the upper area temperature are continuously detected, whether the rotating speed of the first fan assembly corresponding to the first evaporation module needs to be adjusted or not is determined according to the relation between the difference between the upper pipe temperature and the upper area temperature and a first temperature difference lower limit threshold or a first temperature difference upper limit threshold, wherein a first temperature difference threshold range is formed by adopting the first temperature difference lower limit threshold and the first temperature difference upper limit threshold, whether the current heat exchange efficiency of the first heat exchange module is matched with the current rotating speed of the first fan assembly is represented by adopting the first temperature difference threshold range, the rotating speed of the first fan assembly is correspondingly reduced when the current heat exchange efficiency is smaller than the first temperature difference lower limit threshold, or the rotating speed of the first fan assembly is correspondingly increased when the current heat exchange efficiency of the first heat exchange module is larger than the first temperature difference upper limit threshold, and the heat exchange efficiency of the evaporation module, the effect of quick heating is achieved, and meanwhile useless energy consumption is prevented from being increased.

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 the third adjusting frequency and the corresponding first speed reduction amplitude; the control increases the rotational speed of first fan subassembly specifically includes: and controlling and increasing the rotating speed of the first fan assembly according to the fourth adjusting frequency and the corresponding first speed increasing amplitude.

Specifically, if T2a-T1a <8 ℃, the rotation speed of the first fan assembly is reduced, and the adjustment is performed every 5s (third adjustment frequency), and 50rpm (first reduction amplitude) can be reduced each time, wherein the third adjustment frequency and the first 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 unchanged.

If T2a-T1a >10 ℃, the rotation speed of the first fan assembly is increased, and is adjusted once every 5s (fourth 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, after entering the fast heating mode, controlling the air conditioner to operate according to a fast heating policy, specifically, the method further includes: in the quick heating mode, if the upper pipe temperature is detected to be less than a second temperature lower limit threshold value, controlling to increase the highest operation frequency of a compressor of the air conditioner; and if the upper pipe temperature is detected to be greater than a second upper temperature threshold, controlling to reduce the highest operating frequency of the compressor, wherein the second lower temperature threshold is smaller than the second upper temperature threshold.

In the technical scheme, the temperature change of the upper pipe temperature is continuously detected in the rapid heating process, to determine whether the maximum operating frequency of the compressor needs to be adjusted according to the relationship between the upper pipe temperature and the second lower temperature threshold or the second upper temperature threshold, wherein, a second temperature threshold range is formed by adopting a second temperature lower threshold and a second temperature upper threshold, a second temperature threshold range is adopted to represent whether the highest operation frequency of the current compressor meets the requirement of quick heating or not, and correspondingly increasing the highest operating frequency of the compressor when the maximum operating frequency is less than the second lower temperature threshold or is greater than the second upper temperature threshold, correspondingly reducing the maximum operation frequency of the compressor, thereby maintaining the upper pipe temperature between a second lower temperature threshold and a second upper temperature threshold, thereby preventing the phenomenon that the upper pipe is too low in temperature to affect rapid heating or the phenomenon that the upper pipe is too high in temperature to cause abnormal operation.

Specifically, if T2a <40 ℃, it is determined every 5s whether adjustment is required and 10Hz is added when adjustment is required.

And if the temperature is more than or equal to 40 ℃ and less than or equal to T2a and less than or equal to 50 ℃, controlling and maintaining the current operating frequency of the compressor.

If T2a >50 ℃, it is determined every 5s whether or not regulation is required and reduced by 10Hz when regulation is required.

In any of the above technical solutions, optionally, if the first electronic expansion valve is controlled to be closed and the opening degree of the second electronic expansion valve is controlled to be the preset default opening degree, after the compressor is controlled to be opened for a specified time, if it is detected that the upper pipe temperature is less than a third temperature lower limit threshold, the opening degree of the second electronic expansion valve is controlled to be reduced; and if the upper pipe temperature is detected to be greater than a third temperature upper limit threshold value, controlling to increase the opening degree of the second electronic expansion valve, wherein the third temperature lower limit threshold value is smaller than the third temperature upper limit threshold value.

In the technical scheme, for example, after the second electronic expansion valve at the lower part is opened and the first electronic expansion valve at the lower part is closed, after the second electronic expansion valve is opened and the compressor runs for a specified time, the lower pipe temperature is triggered and detected again, whether the opening degree of the second electronic expansion valve needs to be adjusted is determined according to the relation between the lower pipe temperature and a third temperature lower limit threshold or a third temperature upper limit threshold, wherein a third temperature threshold range is formed by adopting the third temperature lower limit threshold and the third temperature upper limit threshold, the current heat exchange efficiency of the first heat exchange module can meet the heat exchange requirement of rapid heating by adopting the third temperature threshold range to represent, and when the opening degree of the second electronic expansion valve is correspondingly reduced to realize the temperature rise of the lower pipe when the third temperature lower limit threshold is smaller than or is larger than the third temperature upper limit threshold, the opening degree of the first electronic control valve is correspondingly increased to realize the temperature reduction of the lower pipe, thereby realizing the rapid heat exchange of the current second evaporation module.

Specifically, the specified time duration refers to a time duration which can satisfy the condition that the corresponding second evaporation module is filled with the refrigerant, so that the second evaporation module and the indoor airflow perform the initial heat exchange operation, and preferably, 1 minute is used as the specified time duration.

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

In the technical scheme, the opening degree of the second electronic expansion valve is adjusted, and the pressure of the control system is changed by gradually increasing and/or decreasing the opening degree through fixed adjusting frequency and adjusting amplitude, so that the abnormal operation of the system caused by overlarge adjusting amplitude is prevented.

For example, the lower zone temperature is represented by T1b, the upper zone temperature by T1a, the lower tube temperature by T2b, and the lower tube temperature by T2 a.

If T2b is <35 ℃, the opening degree of the second electronic expansion valve is reduced by 16 steps every 5 s.

And if the temperature T2b is more than or equal to 35 ℃ and less than or equal to 40 ℃, maintaining the current opening degree of the second electronic expansion valve.

And if the T2b is higher than 40 ℃, increasing the opening degree of the second electronic expansion valve, wherein the specific adjustment mode is that 8 steps are added every 5 s.

In any one of the above technical solutions, optionally, after entering the fast heating mode, controlling the air conditioner to operate according to a fast heating policy, specifically, the method further 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 detected to be smaller than a second temperature difference lower limit threshold value in the rapid heating mode; and if the second temperature difference value is detected to be larger than a second temperature difference upper limit threshold value, controlling to increase the rotating speed of the second fan assembly, wherein the second temperature difference lower limit threshold value is smaller than the second temperature difference upper limit threshold value.

In the technical scheme, after the adjustment of the opening of the first electronic expansion valve on the second evaporation module is completed, the lower pipe temperature and the lower area temperature are continuously detected, whether the rotating speed of a second fan assembly corresponding to the second evaporation module needs to be adjusted or not is determined according to the relation between the difference between the lower pipe temperature and the lower area temperature and a second temperature difference lower limit threshold or a second temperature difference upper limit threshold, wherein a second temperature difference threshold range is formed by adopting the second temperature difference lower limit threshold and the second temperature difference upper limit threshold, whether the current heat exchange efficiency of the first heat exchange module is matched with the current rotating speed of the second fan assembly is represented by adopting the second temperature difference threshold range, the rotating speed of the second fan assembly is correspondingly reduced when the current heat exchange efficiency is smaller than the second temperature difference lower limit threshold or is larger than the second temperature difference upper limit threshold, the rotating speed of the second fan assembly is correspondingly increased, and the heat exchange efficiency of the evaporation module is adapted to the rotating speed of the fan, the effect of quick heating is achieved, and meanwhile useless energy consumption is prevented from being increased.

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 increases 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.

Specifically, if T2b-T1b <8 ℃, the rotation speed of the second fan assembly is reduced, and the adjustment is performed every 5s (the seventh adjustment frequency), and 50rpm (the second reduction amplitude) can be reduced each time, wherein the seventh adjustment frequency and the second 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 T2b-T1b and less than or equal to 10 ℃, maintaining the current rotating speed of the second fan assembly unchanged.

And if the temperature T2b-T1b is higher than 10 ℃, increasing the rotating speed of the second fan assembly, adjusting once every 5s (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, after entering the fast heating mode, controlling the air conditioner to operate according to a fast heating policy, specifically, the method further includes: in the quick heating mode, if the lower pipe temperature is detected to be less than a fourth temperature lower limit threshold value, controlling to increase the highest operation frequency of a compressor of the air conditioner; and if the lower pipe temperature is detected to be greater than a fourth upper temperature threshold, controlling to reduce the highest operating frequency of the compressor, wherein the fourth lower temperature threshold is smaller than the fourth upper temperature threshold.

In the technical scheme, the temperature change of the temperature of the lower pipe is continuously detected in the rapid heating process, to determine whether the maximum operating frequency of the compressor needs to be adjusted according to the relationship between the lower pipe temperature and the fourth lower temperature threshold or the fourth upper temperature threshold, wherein a fourth temperature threshold range is formed by adopting a fourth temperature lower threshold and a fourth temperature upper threshold, a fourth temperature threshold range is adopted to represent whether the highest operation frequency of the current compressor meets the requirement of quick heating or not, and correspondingly increasing the highest operating frequency of the compressor when the maximum operating frequency is less than the fourth lower temperature threshold or is greater than the fourth upper temperature threshold, correspondingly reducing the maximum operation frequency of the compressor, thereby maintaining the lower pipe temperature between the fourth lower temperature threshold and the fourth upper temperature threshold, thereby preventing the phenomenon that the lower pipe is too low in temperature to affect rapid heating or the phenomenon that the lower pipe is too high in temperature to cause abnormal operation.

Specifically, if T2b <40 ℃, it is determined every 5s whether adjustment is required and 10Hz is added when adjustment is required.

And if the temperature is more than or equal to 40 ℃ and less than or equal to T2b and less than or equal to 50 ℃, controlling and maintaining the current operating frequency of the compressor.

If T2b >50 ℃, it is determined every 5s whether or not regulation is required and reduced by 10Hz when regulation is required.

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.

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 a rapid heating mode, respectively acquiring the tube temperature of the first evaporation module, the tube temperature of the second evaporation module and the ambient temperature, determining the tube temperature of the first evaporation module as an upper tube temperature, and determining the tube temperature of the second evaporation module as a lower tube temperature; and if the upper pipe temperature, the lower pipe temperature and the environment temperature are detected to meet preset starting conditions, determining to enter the rapid heating mode, and controlling the air conditioner to operate according to a rapid heating strategy after entering the rapid heating mode.

In addition, it will be understood by those skilled in the art that the upper tube temperature, the lower tube temperature, the upper zone temperature, and the lower zone temperature referred to herein may be real-time temperatures.

In the foregoing technical solution, optionally, the environment temperature includes a lower area temperature, and the processor is specifically configured to: and if the absolute difference between the upper pipe temperature and the lower pipe temperature is detected to be smaller than a first temperature difference threshold value, and the absolute difference between the lower pipe temperature and the lower area temperature is detected to be smaller than a second temperature difference threshold value, determining that the preset starting condition is met.

In any one of the above technical solutions, optionally, the first evaporation module is provided with a first electronic expansion valve for controlling a flow rate of the refrigerant, the second evaporation module is provided with a second electronic expansion valve, and the processor is specifically configured to: controlling to close one of the first electronic expansion valve and the second electronic expansion valve and controlling to open the other one to a preset default opening degree, controlling the compressor to start and operate after the other one is opened to the preset default opening degree, and continuously detecting the upper pipe temperature and the upper area temperature or continuously detecting the lower pipe temperature and the lower area temperature according to a specified time interval after controlling the compressor to start and operate.

In any one of the above technical solutions, optionally, the processor is specifically configured to: if the second electronic expansion valve is controlled to be closed and the opening degree of the first electronic expansion valve is opened to the preset default opening degree, after the compressor is controlled to be opened for a specified time, if the upper pipe temperature is detected to be smaller than a first temperature lower limit threshold value, the opening degree of the first electronic expansion valve is controlled to be reduced; and if the upper pipe temperature is detected to be greater than a first temperature upper limit threshold value, controlling to increase the opening degree of the first electronic expansion valve, wherein the first temperature lower limit threshold value is smaller than the first temperature upper limit threshold value.

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

And if the temperature T2a is more than or equal to 35 ℃ and less than or equal to 40 ℃, maintaining the current opening degree of the first electronic expansion valve.

In any one of the above technical solutions, optionally, the processor is specifically configured to: determining a temperature difference value between the upper pipe temperature and the upper area 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 first temperature difference lower limit threshold value in the rapid heating mode; if the first temperature difference value is detected to be larger than a first temperature difference upper limit threshold value, the rotating speed of the first fan assembly is controlled to be increased, wherein the first temperature difference lower limit threshold value is smaller than the first temperature difference 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 the third adjusting frequency and the corresponding first speed reduction amplitude; the control increases the rotational speed of first fan subassembly specifically includes: and controlling and increasing the rotating speed of the first fan assembly according to the fourth adjusting frequency and the corresponding first speed increasing amplitude.

In any one of the above technical solutions, optionally, the processor is specifically configured to: in the quick heating mode, if the upper pipe temperature is detected to be less than a second temperature lower limit threshold value, controlling to increase the highest operation frequency of a compressor of the air conditioner; and if the upper pipe temperature is detected to be greater than a second upper temperature threshold, controlling to reduce the highest operating frequency of the compressor, wherein the second lower temperature threshold is smaller than the second upper temperature threshold.

In any one of the above technical solutions, optionally, the processor is specifically configured to: if the first electronic expansion valve is controlled to be closed and the opening degree of the second electronic expansion valve is opened to the preset default opening degree, after the compressor is controlled to be opened for a specified time, if the upper pipe temperature is detected to be smaller than a third temperature lower limit threshold value, the opening degree of the second electronic expansion valve is controlled to be reduced; and if the upper pipe temperature is detected to be greater than a third temperature upper limit threshold value, controlling to increase the opening degree of the second electronic expansion valve, wherein the third temperature lower limit threshold value is smaller than the third temperature upper limit threshold value.

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

And T2b is more than or equal to 35 ℃ and less than or equal to 40 ℃, and the current opening degree of the second electronic expansion valve is maintained.

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 detected to be smaller than a second temperature difference lower limit threshold value in the rapid heating mode; and if the second temperature difference value is detected to be larger than a second temperature difference upper limit threshold value, controlling to increase the rotating speed of the second fan assembly, wherein the second temperature difference lower limit threshold value is smaller than the second temperature difference 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 second fan assembly according to the seventh adjusting frequency and the corresponding second speed reduction amplitude; the control increases 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 one of the above technical solutions, optionally, the processor is specifically configured to: in the quick heating mode, if the lower pipe temperature is detected to be less than a fourth temperature lower limit threshold value, controlling to increase the highest operation frequency of a compressor of the air conditioner; and if the lower pipe temperature is detected to be greater than a fourth upper temperature threshold, controlling to reduce the highest operating frequency of the compressor, wherein the fourth lower temperature threshold is smaller than the fourth upper temperature threshold.

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 a rapid heating mode, respectively acquiring the tube temperature of the first evaporation module, the tube temperature of the second evaporation module and the ambient temperature, determining the tube temperature of the first evaporation module as an upper tube temperature, and determining the tube temperature of the second evaporation module as a lower tube temperature;

104, if the upper pipe temperature, the lower pipe temperature and the environment temperature are detected to meet preset starting conditions, determining to enter the rapid heating mode;

and 106, controlling the air conditioner to operate according to a quick heating strategy after entering the quick heating mode.

In the above technical solution, optionally, the environment temperature includes a lower area temperature, and if it is detected that an absolute difference between the upper pipe temperature and the lower pipe temperature is smaller than a first temperature difference threshold and an absolute difference between the lower pipe temperature and the lower area temperature is smaller than a second temperature difference threshold, it is determined that the preset starting condition is satisfied.

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 a rapid heating mode, respectively acquiring the tube temperature of the first evaporation module, the tube temperature of the second evaporation module and the ambient temperature, determining the tube temperature of the first evaporation module as an upper tube temperature, and determining the tube temperature of the second evaporation module as a lower tube temperature; and if the upper pipe temperature, the lower pipe temperature and the environment temperature are detected to meet preset starting conditions, determining to enter the rapid heating mode, and controlling the air conditioner to operate according to a rapid heating strategy after entering the rapid heating mode.

In the foregoing technical solution, optionally, the environment temperature includes a lower area temperature, and the processor 202 is specifically configured to: and if the absolute difference between the upper pipe temperature and the lower pipe temperature is detected to be smaller than a first temperature difference threshold value, and the absolute difference between the lower pipe temperature and the lower area temperature is detected to be smaller than a second temperature difference threshold value, determining that the preset starting condition is met.

In any one of the above technical solutions, optionally, a first electronic expansion valve for controlling 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 processor 202 is specifically configured to: controlling to close one of the first electronic expansion valve and the second electronic expansion valve and controlling to open the other one to a preset default opening degree, controlling the compressor to start and operate after the other one is opened to the preset default opening degree, and continuously detecting the upper pipe temperature and the upper area temperature or continuously detecting the lower pipe temperature and the lower area temperature according to a specified time interval after controlling the compressor to start and operate.

In any of the above technical solutions, optionally, the processor 202 is specifically configured to: if the second electronic expansion valve is controlled to be closed and the opening degree of the first electronic expansion valve is opened to the preset default opening degree, after the compressor is controlled to be opened for a specified time, if the upper pipe temperature is detected to be smaller than a first temperature lower limit threshold value, the opening degree of the first electronic expansion valve is controlled to be reduced; and if the upper pipe temperature is detected to be greater than a first temperature upper limit threshold value, controlling to increase the opening degree of the first electronic expansion valve, wherein the first temperature lower limit threshold value is smaller than the first temperature upper limit threshold value.

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

In any of the above technical solutions, optionally, the processor 202 is specifically configured to: determining a temperature difference value between the upper pipe temperature and the upper area 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 first temperature difference lower limit threshold value in the rapid heating mode; if the first temperature difference value is detected to be larger than a first temperature difference upper limit threshold value, the rotating speed of the first fan assembly is controlled to be increased, wherein the first temperature difference lower limit threshold value is smaller than the first temperature difference upper limit threshold value.

In any of the above technical solutions, optionally, the processor 202 is specifically configured to: controlling to reduce the rotating speed of the first fan assembly according to the third adjusting frequency and the corresponding first speed reduction amplitude; the control increases the rotational speed of first fan subassembly specifically includes: and controlling and increasing the rotating speed of the first fan assembly according to the fourth adjusting frequency and the corresponding first speed increasing amplitude.

In any of the above technical solutions, optionally, the processor 202 is specifically configured to: in the quick heating mode, if the upper pipe temperature is detected to be less than a second temperature lower limit threshold value, controlling to increase the highest operation frequency of a compressor of the air conditioner; and if the upper pipe temperature is detected to be greater than a second upper temperature threshold, controlling to reduce the highest operating frequency of the compressor, wherein the second lower temperature threshold is smaller than the second upper temperature threshold.

In any of the above technical solutions, optionally, the processor 202 is specifically configured to: if the first electronic expansion valve is controlled to be closed and the opening degree of the second electronic expansion valve is opened to the preset default opening degree, after the compressor is controlled to be opened for a specified time, if the upper pipe temperature is detected to be smaller than a third temperature lower limit threshold value, the opening degree of the second electronic expansion valve is controlled to be reduced; and if the upper pipe temperature is detected to be greater than a third temperature upper limit threshold value, controlling to increase the opening degree of the second electronic expansion valve, wherein the third temperature lower limit threshold value is smaller than the third temperature upper limit threshold value.

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

In any of the above technical solutions, 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 detected to be smaller than a second temperature difference lower limit threshold value in the rapid heating mode; and if the second temperature difference value is detected to be larger than a second temperature difference upper limit threshold value, controlling to increase the rotating speed of the second fan assembly, wherein the second temperature difference lower limit threshold value is smaller than the second temperature difference upper limit threshold value.

In any of the above technical solutions, 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; the control increases 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 above technical solutions, optionally, the processor 202 is specifically configured to: in the quick heating mode, if the lower pipe temperature is detected to be less than a fourth temperature lower limit threshold value, controlling to increase the highest operation frequency of a compressor of the air conditioner; and if the lower pipe temperature is detected to be greater than a fourth upper temperature threshold, controlling to reduce the highest operating frequency of the compressor, wherein the fourth lower temperature threshold is smaller than the fourth upper temperature threshold.

Example three:

an air conditioner according to an embodiment of the present invention includes: the operation control device 200 defined in any one of the above technical solutions.

Example four:

as shown in fig. 3, after determining that the rapid heating mode is entered, the second electronic expansion valve is controlled to be closed, and the opening degree of the first electronic expansion valve 506 is opened to the preset default opening degree, where T1b represents the lower zone temperature, T1a represents the upper zone temperature, T2b represents the lower pipe temperature, and T2a represents the upper pipe temperature.

After controlling the compressor to operate for a specified period of time, if T2a is <35 ℃, the opening degree of the first electronic expansion valve 506 is decreased by 16 steps every 5 s.

And if the temperature T2a is more than or equal to 35 ℃ and less than or equal to 40 ℃, maintaining the current opening degree of the first electronic expansion valve 506.

If T2a is greater than 40 ℃, the opening of the first electronic expansion valve 506 is increased by 8 steps every 5 s.

The relationship between T2a and T1a continues to be detected while the first electronic expansion valve 506 is adjusted to be open.

If T2a-T1a <8 ℃, the rotation speed of the first fan assembly is reduced, and the adjustment is performed every 5s (third adjustment frequency), and the rotation speed can be reduced by 50rpm (first speed reduction amplitude) each time, wherein the third adjustment frequency and the first speed reduction amplitude can also be adjusted according to actual operation conditions.

The first fan assembly comprises two axial flow fans which are arranged in a contra-rotating mode, when the rotating speed of the first fan assembly is controlled to be reduced, the two axial flow fans are reduced in speed at the same time, and when the rotating speed of the first fan assembly is controlled to be increased, the two axial flow fans are increased in speed at the same time.

When T2a and T1a are satisfied: and after the temperature is more than or equal to 8 ℃ and less than or equal to T2a-T1a and less than or equal to 10 ℃, continuously detecting the value of T2 a.

If T2a is less than 40 ℃, judging whether the adjustment is needed every 5s, and increasing 10Hz when the adjustment is needed.

Example five:

as shown in fig. 3, after determining that the rapid heating mode is entered, the control unit closes the first electronic expansion valve and opens the opening degree of the second electronic expansion valve 508 to the preset default opening degree, wherein T1b represents the lower zone temperature, T1a represents the upper zone temperature, T2b represents the lower pipe temperature, and T2a represents the upper pipe temperature.

After controlling the compressor to operate for a specified period of time, if T2b is less than 35 ℃, the opening degree of the second electronic expansion valve 508 is decreased by 16 steps every 5 s.

And if the temperature T2b is more than or equal to 35 ℃ and less than or equal to 40 ℃, maintaining the current opening degree of the second electronic expansion valve 508.

If T2b is greater than 40 ℃, the opening of the second electronic expansion valve 508 is increased by 8 steps every 5 s.

The relationship between T2b and T1b continues to be detected while the first electronic expansion valve is adjusted to be open.

If T2b-T1b <8 ℃, the rotating speed of the second fan assembly is reduced, the rotating speed is adjusted once every 5s (the seventh adjusting frequency), and 50rpm (the second speed reduction amplitude) can be reduced each time, wherein the seventh adjusting frequency and the second speed reduction amplitude can also be adjusted according to the actual operation condition.

Wherein, the second fan subassembly includes an axial fan or an oblique flow fan of disrotatory setting.

When T2b and T1b are satisfied: and after the temperature is more than or equal to 8 ℃ and less than or equal to T2b-T1b and less than or equal to 10 ℃, continuously detecting the value of T2 b.

If T2b is less than 40 ℃, judging whether the adjustment is needed every 5s, and increasing 10Hz when the adjustment is needed.

Example six:

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 602 is further provided, where the computer-readable storage medium 602 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), and a portable Computer.

As shown in fig. 5, the operation Control device 200 includes a Processor 202 (such as 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 further includes 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 a rapid heating 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 air conditioner to operate 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 adjustment temperature difference threshold value, 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 an air outlet of the air conditioner, the evaporator comprises a first evaporation module and a second evaporation module which are arranged from top to bottom, the fan assemblies comprise a first fan assembly corresponding to the first evaporation module and a second fan assembly corresponding to the second evaporation module, and the operation control method comprises the following steps:

responding to an operation instruction of a rapid heating mode, respectively acquiring the tube temperature of the first evaporation module, the tube temperature of the second evaporation module and the ambient temperature, determining the tube temperature of the first evaporation module as the upper tube temperature, determining the tube temperature of the second evaporation module as the lower tube temperature, and determining the ambient temperature as the temperature of a room where the air conditioner is located;

if the upper pipe temperature, the lower pipe temperature and the environment temperature are detected to meet preset starting conditions, determining to enter the rapid heating mode;

after entering the quick heating mode, controlling the air conditioner to operate according to a quick heating strategy;

determining a room area above a specified position on the air conditioner as an upper area, determining a room area below the specified position as a lower area, determining a temperature of the lower area as a lower area temperature,

and if the absolute difference between the upper pipe temperature and the lower pipe temperature is detected to be smaller than a first temperature difference threshold value, and the absolute difference between the lower pipe temperature and the lower area temperature is detected to be smaller than a second temperature difference threshold value, determining that the preset starting condition is met.

2. The operation control method according to claim 1, wherein a first electronic expansion valve for controlling a flow rate of a refrigerant is disposed on the first evaporation module, a second electronic expansion valve for controlling a flow rate of a refrigerant is disposed on the second evaporation module, and after the rapid heating mode is entered, the operation of the air conditioner is controlled according to a rapid heating strategy, which specifically comprises:

controlling to close one of the first electronic expansion valve and the second electronic expansion valve and controlling to open the other one to a preset default opening degree;

and controlling the compressor to start and operate after the compressor is started to the preset default opening.

3. The operation control method according to claim 2,

if the second electronic expansion valve is controlled to be closed and the opening degree of the first electronic expansion valve is controlled to be the preset default opening degree, after the compressor is controlled to be opened for a specified time, detecting the relationship between the upper pipe temperature and a first temperature lower limit threshold value as well as a first temperature upper limit threshold value;

if the upper pipe temperature is detected to be lower than the first temperature lower limit threshold value, controlling to reduce the opening degree of the first electronic expansion valve;

if the upper pipe temperature is detected to be higher than the first upper temperature threshold value, controlling to increase the opening degree of the first electronic expansion valve,

wherein the first lower temperature threshold is less than the first upper temperature threshold.

4. The operation control method according to claim 3, wherein the temperature of the upper area is determined as an upper area temperature, and the operation of the air conditioner is controlled according to a fast heating strategy after the fast heating mode is entered, further comprising:

determining a temperature difference value between the upper pipe temperature and the upper area 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 first temperature difference lower limit threshold value in the rapid heating mode;

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

wherein the first temperature difference lower threshold is smaller than the first temperature difference upper threshold.

5. The operation control method according to claim 4, wherein after entering the fast heating mode, the operation of the air conditioner is controlled according to a fast heating policy, and specifically, the method further comprises:

in the quick heating mode, if the upper pipe temperature is detected to be less than a second temperature lower limit threshold value, controlling to increase the highest operation frequency of a compressor of the air conditioner;

if the upper pipe temperature is detected to be greater than a second upper temperature threshold value, controlling to reduce the highest operating frequency of the compressor,

wherein the second lower temperature threshold is less than the second upper temperature threshold.

6. The operation control method according to claim 2,

if the first electronic expansion valve is controlled to be closed and the opening degree of the second electronic expansion valve is controlled to be the preset default opening degree, after the compressor is controlled to be opened for a specified time, detecting the relationship between the upper pipe temperature and a third temperature lower limit threshold value and a third temperature upper limit threshold value;

if the upper pipe temperature is detected to be lower than the third temperature lower limit threshold value, controlling to reduce the opening degree of the second electronic expansion valve;

if the upper pipe temperature is detected to be higher than the third upper temperature threshold value, controlling to increase the opening degree of the second electronic expansion valve,

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

7. The operation control method according to claim 6, wherein after entering the fast heating mode, the operation of the air conditioner is controlled according to a fast heating policy, and specifically, the method further comprises:

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 detected to be smaller than a second temperature difference lower limit threshold value in the rapid heating mode;

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

wherein the second temperature difference lower threshold is smaller than the second temperature difference upper threshold.

8. The operation control method according to claim 7, wherein after entering the fast heating mode, the operation of the air conditioner is controlled according to a fast heating policy, and specifically, the method further comprises:

in the quick heating mode, if the lower pipe temperature is detected to be less than a fourth temperature lower limit threshold value, controlling to increase the highest operation frequency of a compressor of the air conditioner;

if the lower pipe temperature is detected to be greater than a fourth upper temperature threshold value, controlling to reduce the highest operating frequency of the compressor,

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

9. The operation control method according to any one of claims 1 to 8,

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.

10. The operation control method according to any one of claims 1 to 8,

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.

11. An operation control device suitable for an air conditioner, wherein an evaporator and a plurality of fan assemblies are arranged between an air inlet and a plurality of air outlets of the air conditioner, the fan assemblies comprise a first fan assembly and a second fan assembly which are longitudinally arranged from top to bottom, the evaporator comprises 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, the operation control device comprises a processor, and the processor can realize the steps defined by the operation control method according to any one of claims 1 to 10 when executing a computer program.

12. An air conditioner, comprising:

the operation control device according to claim 11.

13. 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 10.