CN117212969A

CN117212969A - Confirmation method and device for self-cleaning of air conditioner and intelligent air conditioner

Info

Publication number: CN117212969A
Application number: CN202311014542.XA
Authority: CN
Inventors: 张晓斌; 石衡
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2023-12-12

Abstract

The application relates to the technical field of intelligent household appliances and discloses a confirmation method for self-cleaning of an air conditioner. The confirmation method comprises the following steps: obtaining a first cooling/heating performance level of an air conditioner; according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance level in the last self-cleaning confirmation process is adjusted to be the second preset refrigeration/heating performance level; and determining that the air conditioner needs to enter a self-cleaning process under the condition that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level. By adopting the confirmation method, the influence of the self-cleaning process on indoor temperature fluctuation can be reduced, the temperature stability in the refrigerating/heating process of the air conditioner can be improved, and the use experience of a user can be improved. The application also discloses a confirmation device for self-cleaning of the air conditioner and an intelligent air conditioner.

Description

Confirmation method and device for self-cleaning of air conditioner and intelligent air conditioner

Technical Field

The application relates to the technical field of intelligent household appliances, in particular to a confirmation method and device for self-cleaning of an air conditioner and an intelligent air conditioner.

Background

At present, an air conditioner can have a self-cleaning function, for example, when the dirt blocking degree of a filter screen is detected to be larger than a preset dirt blocking threshold value, a self-cleaning process of the filter screen is started; and under the condition that the pollution degree of the heat exchanger is detected to be larger than the preset pollution degree, starting a self-cleaning process of the heat exchanger.

The self-cleaning function of an air conditioner has two functions: in the first aspect, bacteria breeding on the filter screen or the heat exchanger are reduced, so that indoor air is kept healthy, and in the second aspect, the ventilation effect of the filter screen can be improved, the heat exchange effect of the heat exchanger is improved, and then the refrigerating/heating performance of the air conditioner is improved.

In the process of implementing the embodiment of the application, the related art is found to have at least the following problems:

for the filter screen, the blocking degree is usually detected by adopting a mode of detecting the light transmittance; for the heat exchanger, the pollution degree is usually detected by adopting a mode of image recognition and reflectivity detection. The detected filter screen has high dirt blocking degree or the detected heat exchanger has high pollution degree, and the detected filter screen is used as an entering condition of the self-cleaning process of the air conditioner, so that indoor temperature fluctuation is easy to cause.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the application provides a confirmation method and device for self-cleaning of an air conditioner and an intelligent air conditioner, which are used for reducing the influence of the self-cleaning process on indoor temperature fluctuation and improving the temperature stability in the refrigerating/heating process of the air conditioner.

In some embodiments, a confirmation method for self-cleaning of an air conditioner includes: determining a first refrigeration/heating performance grade of the air conditioner according to the first indoor temperature, the first set temperature and a first air conditioner operation time length and/or a first air conditioner operation power required by the first indoor temperature reaching the first set temperature; according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance level in the last self-cleaning confirmation process is adjusted to be the second preset refrigeration/heating performance level; the refrigerating/heating performance represented by the second preset refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the first preset refrigerating/heating performance level; and determining that the air conditioner needs to enter a self-cleaning process under the condition that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level.

Optionally, according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance level in the confirmation process of the last self-cleaning is adjusted to a second preset refrigeration/heating performance level, including: obtaining a first historical dust amount of a filter screen or a heat exchanger after the last self-cleaning process and a second historical dust amount of the filter screen or the heat exchanger after the last self-cleaning process; obtaining a first performance grade increment value corresponding to a dust amount difference value between the first historical dust amount and the second historical dust amount according to the corresponding relation between the dust amount and the performance grade increment value; and determining a second preset refrigeration/heating performance grade according to the sum of the first preset refrigeration/heating performance grade and the first performance grade increment value.

Optionally, according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance level in the confirmation process of the last self-cleaning is adjusted to a second preset refrigeration/heating performance level, including: obtaining a first historical dust amount of a filter screen or a heat exchanger after a last self-cleaning process; obtaining a second performance grade increment value corresponding to the first historical dust amount according to the corresponding relation between the dust amount and the performance grade increment value; obtaining an original preset refrigeration/heating performance grade corresponding to the first preset refrigeration/heating performance grade; and determining a second preset refrigeration/heating performance grade according to the sum of the original preset refrigeration/heating performance grade and the second performance grade increment value.

Optionally, determining the first cooling/heating performance level of the air conditioner according to the first indoor temperature, the first set temperature, and the first air conditioner operation duration and/or the first air conditioner operation power required by the indoor temperature from the first indoor temperature to the first set temperature includes: obtaining a first temperature difference between the first indoor temperature and a first set temperature; taking the first temperature difference value, the first air conditioner operation duration and/or the first air conditioner operation power as a first data set, or taking the first set temperature, the first temperature difference value, the first air conditioner operation duration and/or the first air conditioner operation power as a first data set; and determining a first refrigeration/heating performance grade corresponding to the first data set according to the corresponding relation between the data set and the refrigeration/heating performance grade.

Optionally, the correspondence between the data set and the refrigeration/heating performance level includes: and the corresponding relation between the temperature difference value and the running time of the air conditioner and the grade of the refrigerating/heating performance.

Optionally, the correspondence between the data set and the refrigeration/heating performance level includes: the corresponding relation between the temperature difference value and the running power of the air conditioner and the grade of the refrigerating/heating performance.

Optionally, the correspondence between the data set and the refrigeration/heating performance level includes: the corresponding relation between the temperature difference, the air conditioner operation time length and the air conditioner operation power and the refrigerating/heating performance grade.

Optionally, the correspondence between the data set and the refrigeration/heating performance level includes: setting the corresponding relation between the temperature, the temperature difference value and the running time of the air conditioner and the grade of the refrigerating/heating performance.

Optionally, the correspondence between the data set and the refrigeration/heating performance level includes: setting the corresponding relation between the temperature, the temperature difference value and the running power of the air conditioner and the grade of the refrigerating/heating performance.

Optionally, the correspondence between the data set and the refrigeration/heating performance level includes: setting the corresponding relation between the temperature, the temperature difference, the air conditioner operation time length and the air conditioner operation power and the refrigeration/heating performance grade.

Wherein, the larger the temperature difference value is, the higher the refrigerating/heating performance represented by the refrigerating/heating performance grade is; the shorter the running time of the air conditioner is, the higher the refrigerating/heating performance indicated by the refrigerating/heating performance grade is; the smaller the running power of the air conditioner is, the higher the refrigerating/heating performance indicated by the refrigerating/heating performance grade is; in the refrigerating process, the lower the set temperature is, the higher the refrigerating performance indicated by the refrigerating/heating performance grade is; in the heating process, the higher the set temperature is, the higher the refrigerating performance indicated by the refrigerating/heating performance grade is.

Optionally, the self-cleaning duration of the self-cleaning process is determined according to the difference between the first refrigeration/heating performance level and the second preset refrigeration/heating performance level, and the larger the difference is, the longer the self-cleaning duration is, the smaller the difference is, and the shorter the self-cleaning duration is.

Optionally, the self-cleaning duration is determined by: obtaining a first grade difference value between the first refrigeration/heating performance grade and a second preset refrigeration/heating performance grade; the self-cleaning duration is determined from the first level difference value, the self-cleaning duration being positively correlated with the first level difference value.

Optionally, the self-cleaning duration is determined by: under the condition that the temperature difference is the standard temperature difference, obtaining a second air conditioner operation duration and/or a second air conditioner operation power corresponding to the first refrigeration/heating performance level, and a third air conditioner operation duration and/or a third air conditioner operation power corresponding to the second preset refrigeration/heating performance level; obtaining a first time difference value between the second air conditioner operation time length and the third air conditioner operation time length, and/or obtaining a first power difference value between the second air conditioner operation power and the third air conditioner operation power; and determining the self-cleaning time length according to the first time length difference value and/or the first power difference value, wherein the self-cleaning time length is positively correlated with the first time length difference value and/or the first power difference value.

Optionally, the self-cleaning duration is determined by: obtaining a fourth air conditioner operation duration and/or fourth air conditioner operation power corresponding to the first refrigeration/heating performance grade and a fourth air conditioner operation duration and/or fourth air conditioner operation power corresponding to the second preset refrigeration/heating performance grade under the condition that the temperature difference value is a standard temperature difference value and the set temperature is a standard set temperature; obtaining a second time difference value between the fourth air conditioner operation time length and the fifth air conditioner operation time length, and/or obtaining a second power difference value between the fourth air conditioner operation power and the fifth air conditioner operation power; and determining the self-cleaning time length according to the second time length difference value and/or the second power difference value, wherein the self-cleaning time length is positively correlated with the second time length difference value and/or the second power difference value.

Optionally, under the condition that the air conditioner operation time length and/or the air conditioner operation power are the standard operation time length and/or the standard operation power, obtaining a second temperature difference value corresponding to the first refrigeration/heating performance grade and a third temperature difference value corresponding to the preset refrigeration/heating performance grade; determining self-cleaning duration according to the difference value of the second temperature difference value and the third temperature difference value; wherein the difference between the second temperature difference and the third temperature difference is positively correlated to the self-cleaning duration.

Optionally, the case that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level includes: in the case where the cooling/heating performance level indicates an air-conditioning operation duration and/or an air-conditioning operation power required to decrease/increase the temperature of the indoor space of a unit volume by a unit temperature, the first air-conditioning operation duration indicated by the first cooling/heating performance level is greater than the second preset air-conditioning operation duration indicated by the second preset cooling/heating performance level, or the first air-conditioning operation power indicated by the first cooling/heating performance level is greater than the second preset air-conditioning operation power indicated by the second preset cooling/heating performance level.

Optionally, the case that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level includes: when the refrigerating/heating performance level indicates that the air conditioner enables the temperature of the indoor space of the unit volume to be reduced or increased under the unit operation time length and/or the unit operation power, the first temperature reduction value indicated by the first refrigerating/heating performance level is smaller than the second preset temperature reduction value indicated by the second preset refrigerating/heating performance level; or the first temperature increase value represented by the first refrigeration/heating performance level is smaller than the second preset temperature increase value represented by the second preset refrigeration/heating performance level.

In some embodiments, a confirmation device for self-cleaning of an air conditioner includes a first determination module, an obtaining module, and a second determination module.

The first determining module is used for determining a first refrigerating/heating performance grade of the air conditioner according to the first indoor temperature, the first set temperature and a first air conditioner operation duration and/or a first air conditioner operation power required by the first indoor temperature reaching the first set temperature.

The acquisition module is used for adjusting the first preset refrigeration/heating performance grade in the confirmation process of the last self-cleaning to a second preset refrigeration/heating performance grade according to the historical dust amount of the filter screen or the heat exchanger acquired after the historical self-cleaning process; the second predetermined cooling/heating performance level indicates a lower cooling/heating performance than the first predetermined cooling/heating performance level.

The second determining module is used for determining that the air conditioner needs to enter a self-cleaning process under the condition that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level.

In some embodiments, a confirmation device for self-cleaning of an air conditioner comprises a processor and a memory storing program instructions, wherein the processor is configured to execute the confirmation method for self-cleaning of an air conditioner provided by the previous embodiments when executing the program instructions.

In some embodiments, the intelligent air conditioner comprises the confirmation device for self-cleaning of the air conditioner provided by the previous embodiments.

The confirmation method and device for cleaning the air conditioner and the intelligent air conditioner provided by the embodiment of the application can realize the following technical effects:

the integral dirt blocking degree of the filter screen or the integral pollution degree of the heat exchanger can reduce the refrigerating/heating performance of the air conditioner, so that the first refrigerating/heating performance can represent the integral dirt blocking degree of the filter screen or the integral pollution degree of the heat exchanger to a certain extent; since numerous factors such as indoor humidity, indoor air flowing condition, outdoor environment temperature, sealing degree of a room, refrigerant amount of an air conditioning system, self performance of a compressor and a fan affect refrigerating/heating performance, a certain error exists in the overall fouling degree of a filter screen or the overall fouling degree of a heat exchanger by the first refrigerating/heating forming level determined in the previous step, and the error is not constant and is easy to change.

The second preset cooling/heating performance level corresponds to a standard index for measuring whether the first cooling/heating performance level meets the standard. The first refrigeration/heating performance level is not up to standard and is combined by the dust amount of the filter screen or the heat exchanger and other factors.

According to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance grade in the confirmation process of the last self-cleaning process is adjusted to obtain a second preset refrigeration/heating performance grade, wherein the second preset refrigeration/heating performance grade adopted in the self-cleaning process is opposite and variable, and the refrigeration/heating performance represented by the second preset refrigeration/heating performance grade is lower than the refrigeration/heating performance represented by the first preset refrigeration/heating performance grade, and the measurement standard is reduced in the self-cleaning process.

The air conditioner has limited self-cleaning capability, a certain dust amount can be remained after each cleaning process, and under the condition that the dust amount of a filter screen or a heat exchanger is improved, the influence of the self-cleaning process on indoor temperature fluctuation is reduced by reducing the measurement standard in the cleaning process, and not compressing or reducing the redundant space compressing the variable amount for the variable amount of the first refrigeration/heating performance level caused by other factors except the filter screen or the heat exchanger.

By the mode, the embodiment of the application reduces a few refrigerating/heating performances in a mode of conforming to the self-cleaning capability of the air conditioner, so as to reduce the influence of the self-cleaning process on indoor temperature fluctuation, improve the temperature stability in the refrigerating/heating process of the air conditioner and improve the use experience of users.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which:

fig. 1 is a schematic flow chart of a confirmation method for self-cleaning of an air conditioner according to an embodiment of the present application;

FIG. 2 is a schematic flow chart of a method for confirming self-cleaning of an air conditioner according to an embodiment of the present application;

fig. 3 is a schematic flow chart of a confirmation device for self-cleaning of an air conditioner according to an embodiment of the present application;

fig. 4 is a schematic flow chart of a confirmation device for self-cleaning of an air conditioner according to an embodiment of the present application;

fig. 5 is a schematic flow chart of a confirmation device for self-cleaning of an air conditioner according to an embodiment of the present application;

fig. 6 is a schematic diagram of an intelligent air conditioner according to an embodiment of the present application.

Detailed Description

For a more complete understanding of the nature and the technical content of the embodiments of the present application, reference should be made to the following detailed description of embodiments of the application, taken in conjunction with the accompanying drawings, which are meant to be illustrative only and not limiting of the embodiments of the application. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first and second and the like in the description and in the claims of embodiments of the application and in the above-described figures are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the application herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the application, the character "/" indicates that the front object and the rear object are in an OR relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

In the state of air conditioner refrigeration operation, the terms "refrigeration/heating performance" and "refrigeration/heating performance grade" refer to the refrigeration performance and refrigeration performance grade of the air conditioner; in the state of the heating operation of the air conditioner, the terms "cooling/heating performance" and "cooling/heating performance grade" mean the heating performance and the heating performance grade of the air conditioner.

In the embodiment of the application, the cooling/heating performance of the air conditioner is maintained as a starting point, and the characteristic of limited cleaning effect of self-cleaning of the air conditioner is combined, so that the influence of the self-cleaning process on indoor temperature fluctuation is reduced, the temperature stability in the cooling/heating process of the air conditioner is improved, and the use experience of a user is improved by reducing the measurement index of the entering condition of the self-cleaning process at the cost of reducing a small amount of cooling/heating performance.

Fig. 1 is a schematic flow chart of a confirmation method for self-cleaning of an air conditioner according to an embodiment of the present application. The confirmation method for the self-cleaning of the air conditioner can be executed in a controller of the air conditioner, can be executed in a mobile terminal such as a remote controller, and can also be executed in a server in an intelligent home scene.

Referring to fig. 1, the method for confirming self-cleaning of an air conditioner includes:

s101, determining a first refrigerating/heating performance grade of the air conditioner according to a first indoor temperature, a first set temperature and a first air conditioner operation time length and/or a first air conditioner operation power required by the indoor temperature reaching the first set temperature from the first indoor temperature.

For example, at a first time, the indoor temperature is a first indoor temperature, and at a second time, it is determined that the indoor temperature reaches a first set temperature, and a time period between the first time and the second time is a first air conditioner operation time period.

The average operation power of the air conditioner is the first air conditioner operation power from the first time to the second time, or the total operation power (total consumption electric energy) of the air conditioner is the first air conditioner operation power from the first time to the second time.

Wherein determining that the indoor temperature reaches the first set temperature means that the absolute value of the temperature difference between the indoor temperature and the first set temperature is less than or equal to a temperature threshold, which may be empirically set by a person skilled in the art, for example, the temperature threshold may be 1 ℃ or 2 ℃.

S102, according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance level in the last self-cleaning confirmation process is adjusted to be the second preset refrigeration/heating performance level.

The dust amount in the filter screen can be obtained by detecting the transmittance, ventilation degree and the like of the filter screen; and obtaining the dust amount of the heat exchanger through image recognition, heat exchanger surface reflectivity detection and other modes. The person skilled in the art can also choose a suitable dust amount to detect the filter net or the heat exchanger according to the actual circumstances.

The second predetermined cooling/heating performance level indicates a lower cooling/heating performance than the first predetermined cooling/heating performance level.

In the case that the cooling/heating performance level indicates an air-conditioning operation duration and/or an air-conditioning operation power required to decrease/increase the temperature of the indoor space of a unit volume by a unit temperature, the second preset air-conditioning operation duration indicated by the second preset cooling/heating performance level is greater than the first preset air-conditioning operation duration indicated by the first preset cooling/heating performance level, or the second preset air-conditioning operation power indicated by the second preset cooling/heating performance level is greater than the first preset air-conditioning operation power indicated by the first preset cooling/heating performance level.

Under the condition that the refrigerating/heating performance grade represents that the air conditioner enables the temperature of the indoor space of a unit volume to be reduced or increased in unit operation time length and/or unit operation power, the second preset temperature reduction value represented by the second preset refrigerating/heating performance grade is smaller than the first preset temperature reduction value represented by the first preset refrigerating/heating performance grade; or the second preset temperature increase value represented by the second preset cooling/heating performance level is smaller than the first preset temperature increase value represented by the first preset cooling/heating performance level.

In the embodiment of the application, when the refrigerating/heating performance indicated by the second preset refrigerating/heating performance level is lower than the refrigerating/heating performance indicated by the refrigerating/heating performance level threshold, the user is prompted to manually clean the filter screen or the heat exchanger.

S103, determining that the air conditioner needs to enter a self-cleaning process under the condition that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level.

Wherein, the conditions that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level include:

in the case that the cooling/heating performance level indicates an air-conditioning operation duration and/or an air-conditioning operation power required to decrease/increase the temperature of the indoor space of a unit volume by a unit temperature, the first air-conditioning operation duration indicated by the first cooling/heating performance level is greater than the second preset air-conditioning operation duration indicated by the second preset cooling/heating performance level, or the first air-conditioning operation power indicated by the first cooling/heating performance level is greater than the second preset air-conditioning operation power indicated by the second preset cooling/heating performance level;

When the refrigerating/heating performance level indicates that the air conditioner enables the temperature of the indoor space of the unit volume to be reduced or increased under the unit operation time length and/or the unit operation power, the first temperature reduction value indicated by the first refrigerating/heating performance level is smaller than the second preset temperature reduction value indicated by the second preset refrigerating/heating performance level; or the first temperature increase value represented by the first refrigeration/heating performance level is smaller than the second preset temperature increase value represented by the second preset refrigeration/heating performance level.

According to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance grade in the confirmation process of the last self-cleaning process is adjusted to be a second preset refrigeration/heating performance grade, the second preset refrigeration/heating performance grade adopted in the self-cleaning process is opposite and variable, and the refrigeration/heating performance represented by the second preset refrigeration/heating performance grade is lower than the refrigeration/heating performance represented by the first preset refrigeration/heating performance grade, and the measurement standard is reduced in the self-cleaning process.

In the embodiment of the application, under the condition that the confirmation result required to enter the self-cleaning process is obtained, the self-cleaning requirement is met at the moment in order to maintain or improve the refrigerating/heating performance of the air conditioner, the user can be reminded at the moment, and the self-cleaning process is confirmed to be started by the user, or the air conditioner automatically starts the self-cleaning process.

The manner in which the first cooling/heating performance level is determined is exemplarily described below.

Optionally, determining the first cooling/heating performance level of the air conditioner according to the first indoor temperature, the first set temperature, and the first air conditioner operation duration and/or the first air conditioner operation power required by the indoor temperature from the first indoor temperature to the first set temperature includes: obtaining a first temperature difference between the first indoor temperature and a first set temperature; taking the first temperature difference value, the first air conditioner operation time length and/or the first air conditioner operation power as a first data set; and determining a first refrigeration/heating performance grade corresponding to the first data set according to the corresponding relation between the data set and the refrigeration/heating performance grade.

In an embodiment of the present application, the cooling/heating performance level may represent a required air conditioning operation period and/or an air conditioning operation power for decreasing/increasing a temperature of an indoor space per unit volume.

Alternatively, the cooling/heating performance level may represent a temperature decrease value or a temperature increase value of the indoor space per unit volume of the air conditioner per unit operation time period and/or per unit operation power.

The correspondence between the data sets and the refrigeration/heating performance level can be obtained experimentally by a person skilled in the art.

The corresponding relation between the data sets and the refrigerating/heating performance grades can be stored in a one-to-one corresponding data table, and after the first data set is obtained, the first refrigerating/heating performance grade corresponding to the first data set can be obtained by searching the first data set in the one-to-one corresponding data table.

Or, a data fitting mode can be utilized to determine a fitting formula for calculating the data set and the refrigeration/heating performance, and after the first data set is obtained, the first data set is substituted into the fitting formula, so that the first refrigeration/heating performance grade corresponding to the first data set can be obtained.

Alternatively, the correspondence between the data set and the cooling/heating performance level may include: the corresponding relation between the temperature difference value and the running power of the air conditioner and the grade of the refrigerating/heating performance.

Alternatively, the correspondence between the data set and the cooling/heating performance level may include: the corresponding relation between the temperature difference, the air conditioner operation time length and the air conditioner operation power and the refrigerating/heating performance grade.

Wherein, the larger the temperature difference value is, the higher the refrigerating/heating performance represented by the refrigerating/heating performance grade is; the shorter the running time of the air conditioner is, the higher the refrigerating/heating performance indicated by the refrigerating/heating performance grade is; the smaller the air conditioner operating power, the higher the cooling/heating performance indicated by the cooling/heating performance level.

In the above embodiment, the room volume/area is ignored in determining the first cooling/heating performance level.

In a specific application process, the volume/area of the room where the air conditioner is located may be regarded as a unit volume/unit area, or 1 cubic meter/square meter may be regarded as a unit volume/unit area, or a numerical value greater than 1 cubic meter/square meter, for example, 5 cubic meters/square meter, 10 cubic meters/square meter, etc., may be regarded as a unit volume/unit area, which will not be described in detail herein.

Optionally, determining the first cooling/heating performance level of the air conditioner according to the first indoor temperature, the first set temperature, and the first air conditioner operation duration and/or the first air conditioner operation power required by the indoor temperature from the first indoor temperature to the first set temperature includes: obtaining a first temperature difference between the first indoor temperature and a first set temperature; taking the first set temperature, the first temperature difference value, the first air conditioner operation time length and/or the first air conditioner operation power as a first data set; and determining a first refrigeration/heating performance grade corresponding to the first data set according to the corresponding relation between the data set and the refrigeration/heating performance grade.

Optionally, the correspondence between the data set and the level of the refrigeration/heating performance may include: setting the corresponding relation between the temperature, the temperature difference value and the running time of the air conditioner and the grade of the refrigerating/heating performance.

Alternatively, the correspondence between the data set and the cooling/heating performance level may include: setting the corresponding relation between the temperature, the temperature difference value and the running power of the air conditioner and the grade of the refrigerating/heating performance.

Alternatively, the correspondence between the data set and the cooling/heating performance level may include: setting the corresponding relation between the temperature, the temperature difference, the air conditioner operation time length and the air conditioner operation power and the refrigeration/heating performance grade.

The process of obtaining the second preset cooling/heating performance level is further exemplarily described below.

In the process of classifying the refrigerating/heating performance grades, the larger the numerical value of the refrigerating/heating performance grade is, the higher the refrigerating/heating performance is, and the smaller the numerical value of the refrigerating/heating performance grade is, the lower the refrigerating/heating performance is; alternatively, the smaller the value of the cooling/heating performance level is, the lower the cooling/heating formation is, and the larger the value of the cooling/heating performance level is, the higher the cooling/heating performance is.

The more the number of the cooling/heating performance grades is divided, the larger the difference of the required air conditioner operation time length and/or the difference of the air conditioner operation power is, the unit temperature of the indoor space of the unit volume is reduced/the unit temperature is increased corresponding to the adjacent cooling/heating performance grades; the smaller the number of the cooling/heating performance grades is, the smaller the difference in required air conditioner operation time length and/or the difference in air conditioner operation power is.

The more the number of the cooling/heating performance grades is, the larger the difference value of the temperature reduction value or the temperature increase value of the indoor space in unit volume is caused under the unit operation time length and/or the unit operation power of the air conditioner corresponding to the adjacent cooling/heating performance grades; the smaller the number of the cooling and heating performance grades is, the smaller the difference value of the temperature reduction value or the temperature increase value of the indoor space in unit volume is caused under the unit operation time length and/or the unit operation power of the air conditioner corresponding to the adjacent cooling/heating performance grades.

Those skilled in the art can set a proper number of cooling/heating performance levels according to actual needs.

The corresponding relation between the dust amount and the performance grade increment value represents the influence of the filter screen or the dust amount on the refrigerating/heating performance grade of the air conditioner, and the corresponding relation between the dust amount and the performance grade increment value can be confirmed by a person skilled in the art through the existing air conditioner refrigerating/heating model according to the specific meaning of the selected refrigerating/heating performance grade, the specific parameters of the air conditioner and the like, or the corresponding relation between the dust amount and the performance grade increment value is obtained through a test mode.

The corresponding relation between the dust amount and the performance grade increment value can be expressed in the form of a fitting formula or in the form of a one-to-one corresponding data table. The corresponding relation between the dust amount and the performance grade increment value can be stored in a database, after the dust amount difference value of the first historical dust amount and the second historical dust amount is obtained, the dust amount difference value is substituted into a fitting formula, or the dust amount difference value is inquired in the database, so that the first performance grade increment value corresponding to the dust amount difference value can be obtained.

The sum of the first preset refrigeration/heating performance level and the first performance level increment value can be used as a second preset refrigeration/heating performance level;

or after obtaining the sum of the first preset refrigeration/heating performance level and the first performance level increment value, performing certain fine adjustment on the sum according to actual conditions, and taking the adjusted value as a second preset refrigeration/heating performance level.

The corresponding relation between the dust amount and the performance grade increment value can be expressed in the form of a fitting formula or in the form of a one-to-one corresponding data table. The corresponding relation between the dust amount and the performance grade increment value can be stored in a database, after the first historical dust amount is obtained, the first historical dust amount difference value is substituted into a fitting formula, or the first historical dust amount is inquired in the database, and then the second performance grade increment value corresponding to the first historical dust amount can be obtained.

In the embodiment of the application, the preset refrigeration/heating performance level is composed of two parts, wherein one part is the original preset refrigeration/heating performance level, and the other part is the added value of the refrigeration/heating performance level.

The first preset cooling/heating performance level and the second preset cooling/heating performance level correspond to the same original preset cooling/heating performance level.

The sum of the initial preset refrigerating/heating performance level and the second performance level increment value can be used as a second preset refrigerating/heating performance level;

or after obtaining the sum of the initial preset refrigerating/heating performance level and the second performance level increment value, performing certain fine adjustment on the sum according to actual conditions, and taking the adjusted value as the second preset refrigerating/heating performance level.

Fig. 2 is a schematic flow chart of a confirmation method for self-cleaning of an air conditioner, which is provided in an embodiment of the present application, and is used for illustrating the determination manner of the self-cleaning duration and the role of the self-cleaning duration in the self-cleaning process of the air conditioner. The confirmation method for the self-cleaning of the air conditioner can be executed in a controller of the air conditioner, can be executed in a mobile terminal such as a remote controller, and can also be executed in a server in an intelligent home scene.

As shown in fig. 2, the confirmation method for self-cleaning of an air conditioner includes:

s201, determining a first refrigerating/heating performance grade of the air conditioner according to the first indoor temperature, the first set temperature and a first air conditioner operation time length and/or a first air conditioner operation power required by the first indoor temperature reaching the first set temperature.

S202, according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, adjusting the first preset refrigeration/heating performance level in the last self-cleaning confirmation process to a second preset refrigeration/heating performance level.

S203, obtaining self-cleaning duration.

The self-cleaning duration of the self-cleaning process is determined according to the difference between the first refrigeration/heating performance grade and the second preset refrigeration/heating performance grade, and the larger the difference is, the longer the self-cleaning duration is, the smaller the difference is, and the shorter the self-cleaning duration is.

The specific ways of indicating the cooling/heating performance are different, and the ways of determining the self-cleaning time period according to the difference between the first cooling/heating performance level and the preset cooling/heating performance level are also different.

In the case where the cooling/heating performance is directly expressed in terms of the cooling/heating performance level, the self-cleaning period is determined by: obtaining a first grade difference value between the first refrigeration/heating performance grade and a second preset refrigeration/heating performance grade; the self-cleaning duration is determined from the first level difference value, the self-cleaning duration being positively correlated with the first level difference value.

The specific number of the refrigerating/heating performance grades can be set by a person skilled in the art according to actual conditions, and the larger the specific number of the refrigerating/heating performance grades is, the larger the first grade difference value corresponding to the same self-cleaning duration is; the smaller the specific number of cooling/heating performance levels, the smaller the first level difference corresponding to the same self-cleaning duration.

In the case where the cooling/heating performance is expressed in terms of the air-conditioning operation duration and/or the air-conditioning operation power, the self-cleaning duration is determined by:

under the condition that the temperature difference is the standard temperature difference, obtaining a second air conditioner operation duration and/or a second air conditioner operation power corresponding to the first refrigeration/heating performance level, and a third air conditioner operation duration and/or a third air conditioner operation power corresponding to the second preset refrigeration/heating performance level; obtaining a first time difference value between the second air conditioner operation time length and the third air conditioner operation time length, and/or obtaining a first power difference value between the second air conditioner operation power and the third air conditioner operation power; determining self-cleaning time length according to the first time length difference value and/or the first power difference value, wherein the self-cleaning time length is positively correlated with the first time length difference value and/or the first power difference value;

Or,

obtaining a fourth air conditioner operation duration and/or fourth air conditioner operation power corresponding to the first refrigeration/heating performance grade and a fourth air conditioner operation duration and/or fourth air conditioner operation power corresponding to the second preset refrigeration/heating performance grade under the condition that the temperature difference value is a standard temperature difference value and the set temperature is a standard set temperature; obtaining a second time difference value between the fourth air conditioner operation time length and the fifth air conditioner operation time length, and/or obtaining a second power difference value between the fourth air conditioner operation power and the fifth air conditioner operation power; and determining the self-cleaning time length according to the second time length difference value and/or the second power difference value, wherein the self-cleaning time length is positively correlated with the second time length difference value and/or the second power difference value.

In the case where the cooling/heating performance is expressed in terms of a temperature decrease value or a temperature increase value, the self-cleaning period is determined by:

obtaining a second temperature difference value corresponding to the first refrigeration/heating performance grade and a third temperature difference value corresponding to the preset refrigeration/heating performance grade under the condition that the air conditioner operation time length and/or the air conditioner operation power is the standard operation time length and/or the standard operation power; determining self-cleaning duration according to the difference value of the second temperature difference value and the third temperature difference value; wherein the difference between the second temperature difference and the third temperature difference is positively correlated to the self-cleaning duration.

S204, determining that the air conditioner needs to enter a self-cleaning process under the condition that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level.

After the self-cleaning process has been performed for the aforementioned self-cleaning period, the self-cleaning process is exited.

In the multiple execution process of the self-cleaning process, as the execution times of the self-cleaning process are increased, the refrigeration/heating performance represented by the second preset refrigeration/heating performance level is continuously reduced; meanwhile, the air conditioner has limited self-cleaning capability, and a certain amount of dust remains after each self-cleaning process, so that the influence of the dust amount of the filter screen or the heat exchanger on the refrigerating/heating performance is considered, and the filter screen or the heat exchanger can continuously reduce the refrigerating/heating performance along with the increase of the execution times of the self-cleaning process. In general, the increasing speed of the dust amount on the filter screen or the heat exchanger is considered to be approximately unchanged, the refrigerating/heating performance indicated by the second preset refrigerating/heating performance level and the refrigerating/heating performance caused by the filter screen or the heat exchanger are continuously reduced, so that the interval duration between the two self-cleaning processes is relatively fixed, the influence of the self-cleaning process on indoor temperature fluctuation can be further reduced, the temperature stability in the refrigerating/heating process of the air conditioner is improved, and the use experience of a user is improved.

Fig. 3 is a schematic flow chart of a confirmation device for self-cleaning of an air conditioner according to an embodiment of the present application. The confirmation method for the self-cleaning of the air conditioner can be executed in a controller of the air conditioner, can be executed in a mobile terminal such as a remote controller, and can also be executed in a server in an intelligent home scene.

As shown in fig. 3, the confirmation method for self-cleaning of an air conditioner includes:

s301, determining a first refrigeration/heating performance grade of the air conditioner according to a first indoor temperature, a first set temperature and a first air conditioner operation time length and/or a first air conditioner operation power required by the indoor temperature reaching the first set temperature from the first indoor temperature.

S302, according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance level in the last self-cleaning confirmation process is adjusted to be the second preset refrigeration/heating performance level.

S303, determining that the air conditioner needs to enter a self-cleaning process when the refrigerating/heating performance indicated by the first refrigerating/heating performance level is lower than the refrigerating/heating performance indicated by the second preset refrigerating/heating performance level.

S304, after the self-cleaning process is exited, determining a second refrigerating/heating performance grade of the air conditioner according to the second indoor temperature, the second set temperature and a sixth air conditioner operation time length and/or a sixth air conditioner operation power required by the second indoor temperature reaching the second set temperature.

For example, the time when the self-cleaning process is exited is a third time, the indoor temperature is a second indoor temperature at this time, and at a fourth time, it is determined that the indoor temperature reaches a second set temperature, and the duration between the third time and the fourth time is the sixth air conditioner operation duration.

The average operation power of the air conditioner is the sixth air conditioner operation power at the third time to the fourth time, or the total operation power (total consumption electric energy) of the air conditioner is the sixth air conditioner operation power at the third time to the fourth time.

Wherein determining that the indoor temperature reaches the second set temperature means that the absolute value of the temperature difference between the indoor temperature and the second set temperature is less than or equal to a temperature threshold, which may be empirically set by a person skilled in the art, for example, the temperature threshold may be 1 ℃ or 2 ℃.

The second set temperature may be equal to or different from the first set temperature. The first set temperature and the second set temperature can be set according to actual requirements by a person skilled in the art or a user.

S305, determining that the self-cleaning process is effective under the condition that the degree of improvement of the self-cleaning process on the refrigerating/heating performance of the air conditioner is met and the preset degree of improvement can be expressed by the first refrigerating/heating performance grade and the second refrigerating/heating performance grade, so that the air conditioner can continue to operate.

The preset increase degree is used to indicate that the self-cleaning process can increase the cooling/heating performance of the air conditioner, that is, the self-cleaning means adopted is effective with the aim of increasing the cooling/heating performance of the air conditioner.

Determining a first refrigerating/heating performance grade of the air conditioner, wherein the first refrigerating/heating performance is used as a judging condition of a first step of the self-cleaning process of the air conditioner, and the refrigerating/heating performance of the air conditioner can be reduced due to the integral dirt blocking degree of the filter screen or the integral pollution degree of the heat exchanger, so that the first refrigerating/heating performance can represent the integral dirt blocking degree of the filter screen or the integral pollution degree of the heat exchanger to a certain extent; and taking the condition that the filter screen or the heat exchanger does not meet the manual cleaning condition as a second step of judging condition, wherein the second step of judging condition can indicate that the filter screen has higher overall dirt blocking degree or the heat exchanger has higher overall dirt blocking degree, but the filter screen does not excessively pollute or excessively block dirt and still belongs to the air conditioner self-cleaning capability and can be processed, and under the condition, the self-cleaning process is determined to be started. The air conditioner can enter the self-cleaning process in any mode, such as manual selection and confirmation by a user, so that the air conditioner enters the self-cleaning process, or the air conditioner automatically enters the self-cleaning process.

In the process of exiting the self-cleaning, the refrigerating/heating performance of the air conditioner is determined again: a second cooling/heating performance level. Because numerous factors such as indoor humidity, indoor air flowing condition, outdoor environment temperature, sealing degree of a room, refrigerant amount of an air conditioning system, self performance of a compressor and a fan can influence refrigerating/heating performance, a certain error can exist when the first refrigerating/heating formation level determined in the previous step is used for indicating the integral dirt blocking degree of a filter screen or the integral dirt blocking degree of a heat exchanger.

The first refrigeration/heating performance grade and the second refrigeration/heating performance grade can represent the improvement degree of the self-cleaning process to the refrigeration/heating performance of the air conditioner, meet the preset improvement degree, can represent the integral dirt blocking degree of the filter screen represented by the first refrigeration/heating performance grade or the integral pollution degree of the heat exchanger, and further can determine that the self-cleaning process is effective, and the air conditioner continues to normally operate.

By adopting the mode, the embodiment of the application takes the improvement of the refrigerating/heating performance of the air conditioner as a starting point, and the first refrigerating/heating performance grade relatively accurately reflects the blocking degree of the filter screen on the whole or the pollution degree of the heat exchanger on the whole, so that the air conditioner timely enters a self-cleaning process, and the effect of improving the refrigerating/heating performance of the air conditioner is realized.

In the embodiment of the application, the air conditioner continues to run, which means that the air conditioner continues to execute according to the default control method and continues to execute the confirmation method for self-cleaning of the air conditioner provided by the embodiment of the application.

And determining that the self-cleaning process is invalid in the case that the first cooling/heating performance level and the second cooling/heating performance level cannot represent the degree of improvement of the cooling/heating performance of the air conditioner by the performed self-cleaning process, and the preset degree of improvement is satisfied. The self-cleaning duration in the next self-cleaning process can be prolonged, or the user is prompted to manually clean or replace the filter screen, or the heat exchanger is manually cleaned.

The determination process of the second cooling/heating performance level is exemplarily described below.

Optionally, determining the second cooling/heating performance level of the air conditioner according to the second indoor temperature, the second set temperature, and the second air conditioner operation duration and/or the second air conditioner operation power required for reaching the second set temperature from the second indoor temperature includes: obtaining a fourth temperature difference between the second indoor temperature and the second set temperature; taking the fourth temperature difference value, the second air conditioner operation time length and/or the second air conditioner operation power as a second data set; and determining a second refrigeration/heating performance grade corresponding to the second data set according to the corresponding relation between the data set and the refrigeration/heating performance grade.

The corresponding relation between the data sets and the refrigerating/heating performance grades can be stored in a one-to-one correspondence data table, and after the second data set is obtained, the second refrigerating/heating performance grade corresponding to the second data set can be obtained by searching the second data set in the one-to-one correspondence data table.

Or, a data fitting mode can be utilized to determine a fitting formula for calculating the data set and the refrigerating/heating performance, and after the second data set is obtained, the second data set is substituted into the fitting formula, so that a second refrigerating/heating performance grade corresponding to the second data set can be obtained.

Optionally, the correspondence between the data set and the refrigeration/heating performance level includes: the corresponding relation between the temperature difference value and the running time of the air conditioner and the grade of the refrigerating/heating performance;

alternatively, the correspondence between the data set and the cooling/heating performance level may include: the corresponding relation between the temperature difference value and the running power of the air conditioner and the grade of the refrigerating/heating performance;

alternatively, the correspondence between the data set and the cooling/heating performance level may include: the corresponding relation between the temperature difference value, the air conditioner operation time length and the air conditioner operation power and the refrigeration/heating performance grade;

alternatively, the correspondence between the data set and the cooling/heating performance level may include: setting the corresponding relation between the temperature, the temperature difference value and the running time of the air conditioner and the grade of the refrigerating/heating performance;

Alternatively, the correspondence between the data set and the cooling/heating performance level may include: setting the corresponding relation between the temperature, the temperature difference value and the air conditioner operation power and the refrigerating/heating performance grade;

In the above embodiment, the room volume/area is ignored in determining the second cooling/heating performance level.

The following is an exemplary description of the degree of improvement of the refrigerating/heating performance of the air conditioner in the present self-cleaning process, which satisfies the preset degree of improvement.

Optionally, the first cooling/heating performance level and the second cooling/heating performance level can represent an improvement degree of the started self-cleaning process on cooling/heating performance of the air conditioner, and the preset improvement degree is satisfied, including: obtaining a second level difference between the first cooling/heating performance level and the second cooling/heating performance level; determining that the preset improvement degree is met under the condition that the second level difference value is larger than or equal to the first difference value threshold value; wherein the greater the number of divisions of the performance level, the greater the first difference threshold.

Or, the first cooling/heating performance level and the second cooling/heating performance level can represent an improvement degree of the started self-cleaning process on cooling/heating performance of the air conditioner, and the preset improvement degree is satisfied, which may include: obtaining a second temperature difference value corresponding to the first refrigeration/heating performance grade and a fifth temperature difference value corresponding to the second refrigeration/heating performance grade under the condition that the air conditioner operation time length and/or the air conditioner operation power is the standard operation time length and/or the standard operation power; and determining that the preset improvement degree is met under the condition that the difference value between the second temperature difference value and the fifth temperature difference value is larger than or equal to a second difference value threshold value.

The second temperature difference and the fifth temperature difference may both be temperature decrease values; alternatively, the second temperature difference and the fifth temperature difference may both be temperature increase values.

In the above embodiment, the standard operation duration is a preset value, for example, the standard operation duration may be 20min, 30min, or 40min; or the standard operation time length is an average value of time length required by the indoor temperature to reach the set temperature after the current user starts the machine for a plurality of times; or, the standard operation duration may be an average value of durations required for the indoor temperature to reach the set temperature after the air conditioner is started in the process that a plurality of different users use the air conditioner with the same model. The skilled person can determine the appropriate standard operating time according to the actual situation.

In the above embodiment, the standard operation power is a preset value, for example, the standard operation power may be a rated operation power of the air conditioner; or the standard running power is the average running power of the air conditioner in the process that the indoor temperature reaches the set temperature after the current user starts the machine for a plurality of times; or, the standard operation power may be average operation power of the air conditioner in the process that the indoor temperature reaches the set temperature after the air conditioner is started in the process that a plurality of different users use the air conditioner with the same model. One skilled in the art can determine the appropriate standard operating power based on the actual situation.

Or, the first cooling/heating performance level and the second cooling/heating performance level can represent an improvement degree of the started self-cleaning process on cooling/heating performance of the air conditioner, and the preset improvement degree is satisfied, which may include: under the condition that the temperature difference is the standard temperature difference, obtaining a second air conditioner operation duration and/or a second air conditioner operation power corresponding to the first refrigeration/heating performance level, and a seventh air conditioner operation duration and/or a seventh air conditioner operation power corresponding to the second refrigeration/heating performance level; and determining that the preset improvement degree is met under the condition that a third time length difference value between the third air conditioner operation time length and the seventh air conditioner operation time length is larger than or equal to a first time length threshold value and/or a third power difference value between the third air conditioner operation power and the seventh air conditioner operation power is larger than or equal to a first power threshold value. So as to more accurately determine whether the preset degree of improvement is satisfied.

In the above embodiment, the standard temperature difference is a preset value, for example, the standard temperature difference may be 5 ℃, 10 ℃, or 15 ℃; alternatively, the standard temperature difference may be a temperature difference between the local average temperature and the user average set temperature; alternatively, the standard temperature difference may be a temperature difference between the current seasonal average temperature and the user average set temperature. The skilled person can determine the appropriate standard temperature difference according to the actual situation.

Or, the first cooling/heating performance level and the second cooling/heating performance level can represent an improvement degree of the started self-cleaning process on cooling/heating performance of the air conditioner, and the preset improvement degree is satisfied, which may include: under the condition that the temperature difference value is a standard temperature difference value and the set temperature is a standard set temperature, fourth air conditioner operation duration and/or fourth air conditioner operation power corresponding to the first refrigeration/heating performance level and eighth air conditioner operation duration and/or eighth air conditioner operation power corresponding to the second refrigeration/heating performance level are obtained; and determining that the preset improvement degree is met under the condition that the fourth time length difference value between the fourth air conditioner operation time length and the eighth air conditioner operation time length is larger than or equal to the second time length threshold value and/or the fourth power difference value between the fourth air conditioner operation power and the eighth air conditioner operation power is larger than or equal to the second power threshold value. So as to more accurately determine whether the preset degree of improvement is satisfied.

In the above embodiment, the standard set temperature may be a human comfort temperature zone, for example, the standard set temperature may be 20 ℃, 21 ℃, 22 ℃, 23 ℃, 24 ℃, 25 ℃, 26 ℃, 27 ℃, 28 ℃; alternatively, the standard set temperature may be normal temperature, such as 25 ℃; alternatively, the standard set temperature may be an average set temperature of the current user; alternatively, the standard set temperature may be an average set temperature of a user using the same model air conditioner. The person skilled in the art can determine the appropriate standard set temperature according to the actual situation.

Fig. 4 is a schematic diagram of a confirmation device for self-cleaning of an air conditioner according to an embodiment of the present application. The confirmation device for self-cleaning of the air conditioner can be realized by software, hardware or a combination of the two. As shown in connection with fig. 4, the confirmation device for self-cleaning of an air conditioner comprises a first determination module 41, an obtaining module 42 and a second determination module 43.

The first determining module 41 is configured to determine a first cooling/heating performance level of the air conditioner according to the first indoor temperature, the first set temperature, and a first air conditioner operation duration and/or a first air conditioner operation power required for the indoor temperature to reach the first set temperature from the first indoor temperature;

the obtaining module 42 is configured to adjust a first preset refrigeration/heating performance level in a confirmation process of a last self-cleaning to a second preset refrigeration/heating performance level according to a historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process; the refrigerating/heating performance represented by the second preset refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the first preset refrigerating/heating performance level;

the second determining module 43 is configured to determine that the air conditioner needs to enter the self-cleaning process when the cooling/heating performance indicated by the first cooling/heating performance level is lower than the cooling/heating performance indicated by the second preset cooling/heating performance level.

Alternatively, the obtaining module 42 includes a first obtaining unit, a second obtaining unit, and a first determining unit.

The first obtaining unit is used for obtaining a first historical dust amount of the filter screen or the heat exchanger after the last self-cleaning process and a second historical dust amount of the filter screen or the heat exchanger after the last self-cleaning process; the second obtaining unit is used for obtaining a first performance grade increasing value corresponding to a dust amount difference value between the first historical dust amount and the second historical dust amount according to the corresponding relation between the dust amount and the performance grade increasing value; the first determining unit is used for determining a second preset refrigeration/heating performance grade according to the sum of the first preset refrigeration/heating performance grade and the first performance grade increment value.

Optionally, the obtaining module 42 includes a third obtaining unit, a fourth obtaining unit, a fifth obtaining unit, and a second determining unit.

The third obtaining unit is used for obtaining a first historical dust amount of the filter screen or the heat exchanger after the last self-cleaning process; the fourth obtaining unit is used for obtaining a second performance grade increasing value corresponding to the first historical dust amount according to the corresponding relation between the dust amount and the performance grade increasing value; the fifth obtaining unit is used for obtaining an original preset refrigeration/heating performance grade corresponding to the first preset refrigeration/heating performance grade; the second determining unit is used for determining a second preset refrigeration/heating performance grade according to the sum of the original preset refrigeration/heating performance grade and a second performance grade increment value.

Alternatively, the first determining module 41 includes a sixth obtaining unit, a third determining unit, and a fourth determining unit.

The sixth obtaining unit is used for obtaining a first temperature difference value between the first indoor temperature and the first set temperature; the third determining unit is used for taking the first temperature difference value, the first air conditioner operation duration and/or the first air conditioner operation power as a first data set, or taking the first set temperature, the first temperature difference value, the first air conditioner operation duration and/or the first air conditioner operation power as a first data set; the fourth determining unit is configured to determine a first cooling/heating performance level corresponding to the first data set according to a correspondence between the data set and the cooling/heating performance level.

Alternatively, the correspondence between the data set and the cooling/heating performance level may include: setting the corresponding relation between the temperature, the temperature difference value and the running time of the air conditioner and the grade of the refrigerating/heating performance.

Optionally, the self-cleaning duration is determined by: obtaining a second temperature difference value corresponding to the first refrigeration/heating performance grade and a third temperature difference value corresponding to the preset refrigeration/heating performance grade under the condition that the air conditioner operation time length and/or the air conditioner operation power is the standard operation time length and/or the standard operation power; determining self-cleaning duration according to the difference value of the second temperature difference value and the third temperature difference value; wherein the difference between the second temperature difference and the third temperature difference is positively correlated to the self-cleaning duration.

Optionally, the confirmation device for self-cleaning of an air conditioner further comprises a third determination module and a fourth determination module.

The third determining module is configured to determine a second cooling/heating performance level of the air conditioner according to the second indoor temperature, the second set temperature, and a sixth air conditioner operation duration and/or a sixth air conditioner operation power required for the second indoor temperature to reach the second set temperature after exiting the present self-cleaning process.

The fourth determining module is used for determining that the self-cleaning process is effective under the condition that the degree of improvement of the self-cleaning process on the refrigerating/heating performance of the air conditioner is met and the preset degree of improvement can be indicated by the first refrigerating/heating performance grade and the second refrigerating/heating performance grade, so that the air conditioner can continue to operate.

Optionally, the third determining module includes a seventh obtaining unit, a fifth determining unit, and a sixth determining unit. The seventh obtaining unit is used for obtaining a fourth temperature difference value between the second indoor temperature and the second set temperature; the fifth determining unit is used for taking the fourth temperature difference value, the second air conditioner operation duration and/or the second air conditioner operation power as a second data set; the sixth determining unit is configured to determine a second cooling/heating performance level corresponding to the second data set according to a correspondence between the data set and the cooling/heating performance level.

In some embodiments, a confirmation device for air conditioner self-cleaning includes a processor and a memory storing program instructions, the processor being configured to execute the confirmation method for air conditioner self-cleaning provided by the foregoing embodiments when executing the program instructions.

Fig. 5 is a schematic diagram of a confirmation device for self-cleaning of an air conditioner according to an embodiment of the present application. As shown in connection with fig. 5, the confirmation device for self-cleaning of an air conditioner includes:

a processor (processor) 51 and a memory (memory) 52, and may also include a communication interface (Communication Interface) 53 and a bus 54. The processor 51, the communication interface 53, and the memory 52 may communicate with each other via the bus 54. The communication interface 53 may be used for information transfer. The processor 51 may call logic instructions in the memory 52 to perform the confirmation method for air conditioning self-cleaning provided by the foregoing embodiment.

Further, the logic instructions in the memory 52 described above may be implemented in the form of software functional units and stored in a computer readable storage medium when sold or used as a stand alone product.

The memory 52 is a computer readable storage medium that can be used to store a software program, a computer executable program, and program instructions/modules corresponding to the methods in the embodiments of the present application. The processor 51 executes functional applications and data processing by running software programs, instructions and modules stored in the memory 52, i.e. implements the confirmation method for self-cleaning of air-conditioning provided in the above-described method embodiment.

Memory 52 may include a storage program area that may store an operating system, at least one application program required for functionality, and a storage data area; the storage data area may store data created according to the use of the terminal device, etc. In addition, the memory 52 may include high-speed random access memory, and may also include nonvolatile memory.

As shown in fig. 6, the intelligent air conditioner 61 includes a confirmation 62 for self-cleaning of the air conditioner provided in the foregoing embodiment.

The embodiment of the application provides a computer readable storage medium, which stores computer executable instructions, wherein the computer executable instructions are configured to:

determining a first refrigeration/heating performance grade of the air conditioner according to the first indoor temperature, the first set temperature and a first air conditioner operation time length and/or a first air conditioner operation power required by the first indoor temperature reaching the first set temperature;

according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, the first preset refrigeration/heating performance level in the last self-cleaning confirmation process is adjusted to be the second preset refrigeration/heating performance level; the refrigerating/heating performance represented by the second preset refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the first preset refrigerating/heating performance level;

And determining that the air conditioner needs to enter a self-cleaning process under the condition that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level.

The present application provides a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the steps of:

The computer readable storage medium may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.

The technical solution of the embodiment of the present application may be embodied in the form of a software product, where the software product is stored in a storage medium, and includes one or more instructions to cause a computer device (which may be a personal computer, a server, or a network device) to perform all or part of the steps of the method in the embodiment of the present application. And the aforementioned storage medium may be a non-transitory storage medium including: a plurality of media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk, or an optical disk, or a transitory storage medium.

The above description and the drawings illustrate embodiments of the application sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when used in the present disclosure, the terms "comprises," "comprising," and/or variations thereof, mean that the recited features, integers, steps, operations, elements, and/or components are present, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method or apparatus comprising such elements. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.

Those of skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. The skilled person may use different methods for each particular application to achieve the described functionality, but such implementation is not to be considered as beyond the scope of the embodiments of the application. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.

In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of elements may be merely a logical functional division, and there may be additional divisions when actually implemented, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The elements illustrated as separate elements may or may not be physically separate, and elements shown as elements may or may not be physically located, or may be distributed over a plurality of network elements. Some or all of the units may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.

The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims

1. A confirmation method for self-cleaning of an air conditioner, characterized by comprising:

2. The method of claim 1, wherein adjusting the first preset cooling/heating performance level in the last self-cleaning confirmation process to the second preset cooling/heating performance level according to the historical dust amount of the filter screen or the heat exchanger obtained after the historical self-cleaning process, comprises:

obtaining a first historical dust amount of a filter screen or a heat exchanger after the last self-cleaning process and a second historical dust amount of the filter screen or the heat exchanger after the last self-cleaning process; obtaining a first performance grade increment value corresponding to a dust amount difference value between the first historical dust amount and the second historical dust amount according to the corresponding relation between the dust amount and the performance grade increment value; determining a second preset refrigeration/heating performance level according to the sum of the first preset refrigeration/heating performance level and the first performance level increment value;

Or,

obtaining a first historical dust amount of a filter screen or a heat exchanger after a last self-cleaning process; obtaining a second performance grade increment value corresponding to the first historical dust amount according to the corresponding relation between the dust amount and the performance grade increment value; obtaining an original preset refrigeration/heating performance grade corresponding to the first preset refrigeration/heating performance grade; and determining a second preset refrigeration/heating performance grade according to the sum of the original preset refrigeration/heating performance grade and the second performance grade increment value.

3. The method of claim 1, wherein determining the first cooling/heating performance level of the air conditioner based on the first indoor temperature, the first set temperature, and a first air conditioner operation duration and/or a first air conditioner operation power required for the indoor temperature to reach the first set temperature from the first indoor temperature, comprises:

obtaining a first temperature difference between the first indoor temperature and a first set temperature;

taking the first temperature difference value, the first air conditioner operation duration and/or the first air conditioner operation power as a first data set, or taking the first set temperature, the first temperature difference value, the first air conditioner operation duration and/or the first air conditioner operation power as a first data set;

And determining a first refrigeration/heating performance grade corresponding to the first data set according to the corresponding relation between the data set and the refrigeration/heating performance grade.

4. A method of validating as defined in claim 3, wherein the data set corresponds to a cooling/heating performance level, comprising:

the corresponding relation between the temperature difference value and the running time of the air conditioner and the grade of the refrigerating/heating performance;

or,

the corresponding relation between the temperature difference value and the running power of the air conditioner and the grade of the refrigerating/heating performance;

or,

the corresponding relation between the temperature difference value, the air conditioner operation time length and the air conditioner operation power and the refrigeration/heating performance grade;

or,

setting the corresponding relation between the temperature, the temperature difference value and the running time of the air conditioner and the grade of the refrigerating/heating performance;

or,

setting the corresponding relation between the temperature, the temperature difference value and the air conditioner operation power and the refrigerating/heating performance grade;

or,

setting the corresponding relation between the temperature, the temperature difference value, the air conditioner operation time length and the air conditioner operation power and the refrigeration/heating performance grade;

5. The method of claim 1, wherein the self-cleaning duration of the present self-cleaning process is determined according to a difference between the first cooling/heating performance level and the second preset cooling/heating performance level, the greater the difference, the longer the self-cleaning duration, the smaller the difference, and the shorter the self-cleaning duration.

6. The method of validating as defined in claim 5, wherein the self-cleaning duration is determined by:

obtaining a first grade difference value between the first refrigeration/heating performance grade and a second preset refrigeration/heating performance grade; determining self-cleaning time length according to the first level difference value, wherein the self-cleaning time length is positively correlated with the first level difference value;

or,

Or,

obtaining a fourth air conditioner operation duration and/or fourth air conditioner operation power corresponding to the first refrigeration/heating performance grade and a fourth air conditioner operation duration and/or fourth air conditioner operation power corresponding to the second preset refrigeration/heating performance grade under the condition that the temperature difference value is a standard temperature difference value and the set temperature is a standard set temperature; obtaining a second time difference value between the fourth air conditioner operation time length and the fifth air conditioner operation time length, and/or obtaining a second power difference value between the fourth air conditioner operation power and the fifth air conditioner operation power; determining self-cleaning time length according to the second time length difference value and/or the second power difference value, wherein the self-cleaning time length is positively correlated with the second time length difference value and/or the second power difference value;

or,

7. A method of validating as defined in any one of claims 1 to 6, wherein the case where the first level of refrigeration/heating performance indicates a lower refrigeration/heating performance than the second level of refrigeration/heating performance includes:

8. A confirmation device for self-cleaning of an air conditioner, characterized by comprising:

the first determining module is used for determining a first refrigeration/heating performance grade of the air conditioner according to the first indoor temperature, the first set temperature and a first air conditioner operation time length and/or a first air conditioner operation power required by the first indoor temperature reaching the first set temperature from the indoor temperature;

the acquisition module is used for adjusting the first preset refrigeration/heating performance grade in the confirmation process of the last self-cleaning to a second preset refrigeration/heating performance grade according to the historical dust amount of the filter screen or the heat exchanger acquired after the historical self-cleaning process; the refrigerating/heating performance represented by the second preset refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the first preset refrigerating/heating performance level;

and the second determining module is used for determining that the air conditioner needs to enter a self-cleaning process under the condition that the refrigerating/heating performance represented by the first refrigerating/heating performance level is lower than the refrigerating/heating performance represented by the second preset refrigerating/heating performance level.

9. A confirmation device for self-cleaning of an air conditioner comprising a processor and a memory storing program instructions, characterized in that the processor is configured to perform the confirmation method for self-cleaning of an air conditioner according to any one of claims 1 to 7 when executing the program instructions.

10. An intelligent air conditioner, characterized by comprising a confirmation device for self-cleaning of an air conditioner according to claim 8 or 9.