CN117346278A

CN117346278A - Method and device for determining failure of filter screen filtering module and intelligent air conditioner

Info

Publication number: CN117346278A
Application number: CN202311291050.5A
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: 2023-10-08
Filing date: 2023-10-08
Publication date: 2024-01-05

Abstract

The application relates to the technical field of intelligent household appliances and discloses a method for determining failure of a filter screen filter module. The determining method comprises the following steps: under the condition of ventilation of equipment, a first pollution change value of water in a water tank in a set time period and accumulated starting times or accumulated starting time length of the water washing filter module are set in the process of not starting the water washing filter module before the current moment is obtained; before the current moment is obtained, in the process of starting the water washing filter module, setting a second pollution change value of water in the water tank in a long time; judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting times/accumulated starting time. By adopting the determination method, whether the filter screen filtering module fails can be accurately judged without arranging an additional air pollutant sensor. The application also discloses a filter screen filtration module failure's determining device and intelligent air conditioner.

Description

Method and device for determining failure of filter screen filtering module and intelligent air conditioner

Technical Field

The application relates to the technical field of intelligent household appliances, and for example relates to a method and a device for determining failure of a filter screen filter module and an intelligent air conditioner.

Background

At present, the air purifier may include a filter screen filtering module and a water curtain generating module (water washing filtering module), where the water curtain generating module may be a water throwing component, and water flowing out from a water outlet of the water throwing component can form a water curtain during the rotation of the water throwing component. The filter screen filtration module sets up in one side of air purifier's air intake, and water curtain generation module sets up in one side of air purifier's air outlet, and after the air entering air purifier, first time through filter screen filtration module filters, again through water curtain generation module's secondary filter, can improve air purifier's purifying effect.

In the process of implementing the embodiment of the present application, it is found that at least the following problems exist in the related art:

after the filter screen filter module works for a long time, the filtering capacity of the filter screen filter module is reduced or even disappears, and the failed filter screen filter module needs to be cleaned or directly replaced. In the process of determining the failure of the filter screen filter module, the pollutant content in the air at the air inlet of the filter screen filter module and the pollutant content in the air at the air outlet of the filter screen filter module are usually required to be detected, and an additional sensor is required to be arranged in the detection mode, and the arrangement of the sensor is also required to be fully considered; for the air purifier with the filter screen filter module and the water washing filter module, the development and utilization degree of the water washing filter module is insufficient, and the air purifier is required to be optimized.

It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present 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 filter screen filter module failure determination method, so that in an air purifier comprising a filter screen filter module and a water washing filter module, the effect of the water washing filter module is further developed, and whether the filter screen filter module fails can be accurately judged without setting an additional air pollutant sensor.

In some embodiments, air first passes through a screen filter module and then through a water wash filter module, which includes a water tank; the method for determining the failure of the filter screen filter module comprises the following steps:

under the condition of ventilation of equipment, a first pollution change value of water in a water tank in a set time period and accumulated starting times or accumulated starting time length of the water washing filter module are set in the process of not starting the water washing filter module before the current moment is obtained;

Before the current moment is obtained, in the process of starting the water washing filter module, setting a second pollution change value of water in the water tank in a long time;

judging whether the filter screen filtering module fails or not according to the first pollution change value, the second pollution change value and the accumulated starting times; or judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting duration.

Optionally, judging whether the filter screen filtering module fails according to the first pollution variation value, the second pollution variation value and the accumulated starting times includes:

determining a first improvement value of a first set threshold according to the accumulated starting times, wherein the first improvement value is positively correlated with the accumulated starting times; determining a second set threshold according to the sum of the first set threshold and the first improvement value; obtaining a first change value difference of the second pollution change value and the first pollution change value; and under the condition that the difference value of the first variation value is larger than or equal to a second set threshold value, determining that the filter screen filtering module fails.

determining a first reduction value of a first pollution change value according to the accumulated starting times, wherein the first reduction value is positively correlated with the accumulated starting times; obtaining a first change value difference value of the second pollution change value and the first pollution change value, and determining a second change value difference value according to the sum of the first change value difference value and the first reduction value; or determining a third pollution change value according to the difference value between the first pollution change value and the first reduction value, and obtaining a second change value difference value between the second pollution change value and the third pollution change value; and under the condition that the second variation value difference value is larger than or equal to the first set threshold value, determining that the filter screen filtering module fails.

Optionally, judging whether the filter screen filtering module fails according to the first pollution variation value, the second pollution variation value and the accumulated starting duration includes:

determining a second improvement value of the first set threshold according to the accumulated starting time, wherein the second improvement value is positively correlated with the accumulated starting time; determining a second set threshold according to the sum of the first set threshold and the second improvement value; obtaining a first change value difference of the second pollution change value and the first pollution change value; and under the condition that the difference value of the first variation value is larger than or equal to a second set threshold value, determining that the filter screen filtering module fails.

determining a second reduction value of the first pollution change value according to the accumulated starting time, wherein the second reduction value is positively correlated with the accumulated starting time; obtaining a first change value difference value of the second pollution change value and the first pollution change value, determining a second change value difference value according to the sum of the first change value difference value and the second reduction value, or determining a third pollution change value according to the difference value of the first pollution change value and the second reduction value, and obtaining a second change value difference value of the second pollution change value and the third pollution change value; and under the condition that the second variation value difference value is larger than or equal to the first set threshold value, determining that the filter screen filtering module fails.

Optionally, if the accumulated starting times is greater than or equal to the starting times threshold, judging whether the filtering module of the filter screen fails according to the first pollution change value, the second pollution change value and the accumulated starting times; or under the condition that the accumulated starting time length is greater than or equal to the starting time length threshold value, judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting time length.

Optionally, under the condition that the accumulated starting times is smaller than a starting times threshold value and the accumulated starting time length is smaller than a starting time length threshold value, obtaining a second pollution change value and a first change value difference value of the second pollution change value; and under the condition that the first variation value difference value is larger than or equal to a first set threshold value, determining that the filter screen filtering module fails.

Optionally, obtaining a first pollution variation value of water in the water tank within a set time period includes:

and obtaining two pollution values of water in the water tank at the beginning and the end of the set time period, and taking the difference value of the two pollution values as a first pollution change value.

obtaining a plurality of pollution values of water in a water tank within a set time period, and calculating a first average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in the last set time period, and calculating a second average value of the plurality of pollution values; the difference between the second average value and the first average value is taken as a first pollution variation value.

dividing the set time length into two time lengths at the center time of the set time length; obtaining a plurality of pollution values of water in the water tank in a first time period, and calculating a third average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in a second time period, and calculating a fourth average value of the plurality of pollution values; and taking the difference value between the fourth average value and the third average value as a first pollution change value.

Optionally, obtaining a second pollution variation value of water in the water tank within a set time period includes:

and obtaining two pollution values of water in the water tank at the beginning and the end of the set time period, and taking the difference value of the two pollution values as a second pollution change value.

Obtaining a second pollution variation value of water in the water tank within a set time period, comprising:

obtaining a plurality of pollution values of water in the water tank within a set time period, and calculating a fifth average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in the last set time period, and calculating a sixth average value of the plurality of pollution values; the difference between the sixth average value and the fifth average value is taken as a second pollution variation value.

Dividing the set time length into two time lengths at the center time of the set time length; obtaining a plurality of pollution values of water in the water tank in a first time period, and calculating a seventh average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in a second time period, and calculating an eighth average value of the plurality of pollution values; and taking the difference value between the eighth average value and the seventh average value as a second pollution variation value.

Optionally, the method for determining the failure of the filter screen filtering module further comprises: and under the condition that the first pollution change value is larger than or equal to the second set threshold value, prompting to fill water into the water tank or filling water into the water tank.

Optionally, the type of the filter screen filter module is a plurality of, and different types of filter screen filter modules are used for detecting different types of pollutants, and the sensor for detecting pollutants in the water tank is a plurality of.

Optionally, before obtaining the first pollution variation value and the second pollution variation value, the determining device for the failure of the filtering module of the filter screen further comprises: obtaining the current type of the filter screen filtering module; a sensor corresponding to the current type is selected to detect a pollution variation value of water in the water tank.

In some embodiments, air first passes through a screen filter module and then through a water wash filter module, which includes a water tank;

The device for determining the failure of the filter screen filtering module comprises a first obtaining module, a second obtaining module and a first determining module; or, the filter screen filter module failure determining device comprises a first obtaining module, a second obtaining module and a second determining module.

The first obtaining module is used for setting a first pollution change value of water in the water tank in a time period and accumulated starting times or accumulated starting time period of the water washing filter module in the process of not starting the water washing filter module before the current moment under the condition of ventilation of equipment;

the second obtaining module is used for obtaining a second pollution change value of water in the water tank in a set time period in the process of starting the water washing and filtering module before the current moment;

the first determining module is used for judging whether the filter screen filtering module fails or not according to the first pollution change value, the second pollution change value and the accumulated starting times; or the second determining module is used for judging whether the filter screen filtering module fails or not according to the first pollution change value, the second pollution change value and the accumulated starting duration.

In some embodiments, the filter screen filter module failure determination device includes a processor and a memory storing program instructions, where the processor is configured to execute the filter screen filter module failure determination method provided in the foregoing embodiments when executing the program instructions.

In some embodiments, a smart air conditioner includes:

a screen filter module;

the water washing filter module comprises a water tank;

and the filter screen filter module failure determining device provided by the previous embodiment;

in the ventilation process of the air conditioner, air firstly passes through the filter screen filter module and then passes through the water washing filter module.

The method and the device for determining the failure of the filter screen filter module and the intelligent air conditioner provided by the embodiment of the application can realize the following technical effects:

under the condition that the equipment is ventilated and the water washing filtering module is not started, the first pollution change value of the water in the water tank in a set time period can represent the pollution condition of the water in the water tank under the influence of other factors except water washing; after the water wash filtration module is activated, a second pollution change value of water in the water tank within a set period of time can represent pollution conditions under the influence of the water wash and other factors.

After the water washing filter module is started, the water quantity in the water tank is continuously reduced, and the water quantity in the water tank is lower as the accumulated starting times are more or the accumulated starting time is longer; under the condition that pollutants entering the water tank are unchanged, the change of the water quantity in the water tank can lead to the change of a first pollution change value and a second pollution change value, so that whether the filter screen filter module fails or not is judged according to the first pollution change value, the second pollution change value and the accumulated starting times, or whether the filter screen filter module fails or not is judged according to the first pollution change value, the second pollution change value and the accumulated starting time, the inaccuracy of a judgment result caused by the change of the water quantity in the water tank can be reduced to a certain extent, and the accuracy of the judgment result of whether the filter screen filter module fails is finally improved. Therefore, by utilizing the water pollution condition of the water washing filter module under two states, a relatively accurate judging result of whether the filter screen filter module is invalid or not is obtained, the function of the water tank is further developed, and a sensor is not required to be additionally arranged.

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 view of an air cleaning apparatus provided in an embodiment of the present application;

FIG. 2 is a flow chart of a method for determining a failure of a filter module of a filter screen according to an embodiment of the present disclosure;

FIG. 3 is a flow chart of a method for determining a failure of a filter module according to an embodiment of the present disclosure;

FIG. 4 is a flow chart of a method for determining a failure of a filter module according to an embodiment of the present disclosure;

FIGS. 5a and 5b are schematic diagrams of a device for determining a failure of a filter module of a filter screen according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a device for determining a failure of a filter module of a filter screen according to an embodiment of the present disclosure;

fig. 7 is a schematic diagram of an intelligent air conditioner provided in an embodiment of the present application.

Detailed Description

For a more complete understanding of the features and technical content of the embodiments of the present application, reference should be made to the following detailed description of the embodiments of the present application, taken in conjunction with the accompanying drawings, which are for purposes of illustration only and not intended to limit the embodiments of the present 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 the embodiments of the application and in the above-described figures are used for distinguishing between similar objects 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 present application described 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 present application, the character "/" indicates that the front and rear objects are 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.

Fig. 1 is a schematic view of an air purifying apparatus according to an embodiment of the present application. The air inlet 11 of the air cleaning apparatus may be disposed at the outdoor side OS and the air outlet 12 of the air cleaning apparatus may be disposed at the indoor side IS.

The air cleaning device comprises a filter screen filter module 13 and a water washing filter module 14, and when the air cleaning device is ventilated, air firstly passes through the filter screen filter module 13 and then passes through the water washing filter module 14 along a path R.

The screen filter module 13 is capable of filtering inhalable particles, part of the volatile gases, part of the bacteria, etc. in the air.

The screen filter module 13 is always active during ventilation of the air cleaning device.

In some application scenarios, the screen filter module 13 may be a dust removal module, or the screen filter module 13 may be an aldehyde removal module, or the screen filter module 13 may be a odor removal module. The functions of the screening filter module 13 are only exemplified here, and in practical applications, a person skilled in the art may select an appropriate screening filter module 13 according to the actual situation.

The water wash filter module 14, upon activation, is capable of passing air through water through which breathable particles, water-soluble volatile gases in the air are filtered. For example, the water tank 15 is provided in the water-washing filter module 13, and under the action of some spraying means, the water in the tank can form a curtain or mist of water which can filter the air passing through it, the curtain or mist of water eventually being circulated back to the tank 15.

During ventilation of the air cleaning device, the water washing filter module 14 may be activated or the water washing filter module 14 may not be activated. For example, the water wash filter module 14 may be activated when humidification is desired in the room, and the water wash filter module 14 may not be activated when the humidity in the room is too high (i.e., when no humidification is desired in the room).

A water quality detection sensor 16 may be provided in the water tank 15, the water quality detection sensor 16 being capable of detecting a specific class of contaminants in the water tank 15.

One skilled in the art can empirically select the water quality detection sensor 16 that meets the actual detection requirements.

The air purifying device in the embodiment of the application can be an independent air purifying device, such as a humidifying device, an air purifier and the like; the air purifying device in the embodiment of the application can also be a device integrated with an air purifying function, such as fresh air device, air conditioning device and the like.

Fig. 2 is a flow chart of a method for determining a failure of a filter module according to an embodiment of the present application. The method of determining the filter screen filtration module failure can be performed in a controller of the air cleaning apparatus or in a server in the smart home system.

Referring to fig. 2, the method for determining the failure of the filtering module of the filter screen includes:

s201, under the condition that equipment is ventilated, in the process that the water washing filter module is not started before the current moment, setting a first pollution change value of water in a water tank in a time period and accumulating the starting times or accumulating the starting time of the water washing filter module.

The first pollution variation value may be obtained by detection by a sensor provided in the water tank, or may be obtained by an existing water quality detection method.

Optionally, obtaining a first pollution variation value of water in the water tank within a set time period includes: and obtaining two pollution values of water in the water tank at the beginning and the end of the set time period, and taking the difference value of the two pollution values as a first pollution change value.

Optionally, obtaining a first pollution variation value of water in the water tank within a set time period includes: obtaining a plurality of pollution values of water in a water tank within a set time period, and calculating a first average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in the last set time period, and calculating a second average value of the plurality of pollution values; the difference between the second average value and the first average value is taken as a first pollution variation value.

Optionally, obtaining a first pollution variation value of water in the water tank within a set time period includes: dividing the set time length into two time lengths at the center time of the set time length; obtaining a plurality of pollution values of water in the water tank in a first time period, and calculating a third average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in a second time period, and calculating a fourth average value of the plurality of pollution values; and taking the difference value between the fourth average value and the third average value as a first pollution change value.

S202, setting a second pollution change value of water in a water tank in a time period in the process of starting the water washing filter module before the current moment is obtained.

Also, the second pollution variation value may be obtained by a sensor provided in the water tank, or may be obtained by an existing water quality detection method.

Optionally, obtaining a second pollution variation value of water in the water tank within a set time period includes: and obtaining two pollution values of water in the water tank at the beginning and the end of the set time period, and taking the difference value of the two pollution values as a second pollution change value.

Optionally, obtaining a second pollution variation value of water in the water tank within a set time period includes: obtaining a plurality of pollution values of water in the water tank within a set time period, and calculating a fifth average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in the last set time period, and calculating a sixth average value of the plurality of pollution values; the difference between the sixth average value and the fifth average value is taken as a second pollution variation value.

Optionally, obtaining a second pollution variation value of water in the water tank within a set time period includes: dividing the set time length into two time lengths at the center time of the set time length; obtaining a plurality of pollution values of water in the water tank in a first time period, and calculating a seventh average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in a second time period, and calculating an eighth average value of the plurality of pollution values; and taking the difference value between the eighth average value and the seventh average value as a second pollution variation value.

The first pollution change value and the second pollution change value in the embodiment of the application are pollution change values of unit volume.

In the embodiment of the present application, the method for obtaining the first pollution variation value and the second pollution variation value may be the same or different.

The first pollution change value and the second pollution change value in the embodiment of the application are substantially different in working conditions during detection: the first pollution change value is obtained by detection under the working condition that the water washing filter module is not started, and the second pollution change value is obtained by detection under the working condition that the water washing filter module is started.

During the ventilation of the apparatus, the screen filter module must typically be activated, with or without the water wash filter module being activated.

For example, the water-wash filtration module may be activated in the event that humidification is desired in the indoor environment; under the condition that the indoor environment does not need to be humidified, the water washing filter module is not started.

S203, judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting times; or judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting duration.

In some application scenarios, after determining that the filter screen filtration module fails, a reminder may be initiated to a user to remind the filter screen filtration module to be cleaned or replaced. The accessible pilot lamp reminds, and accessible bee calling organ reminds, and accessible voice broadcast device reminds, and accessible Application (Application, APP) reminds.

In the above-described aspect, the sum of the first set threshold and the first increase value may be used as the second set threshold, or the sum of the first set threshold and the first increase value may be fine-tuned, and the result after fine-tuning may be used as the second set threshold, where the fine-tuning process refers to appropriately increasing or decreasing the sum of the first set threshold and the first increase value.

By adopting the technical scheme, the first set threshold value is adjusted by accumulating the starting times, the adverse effect caused by water quantity reduction is reduced, and the accuracy of the judging result of whether the filter screen filtering module is invalid is improved.

Or, judging whether the filter screen filter module fails according to the first pollution change value, the second pollution change value and the accumulated starting times, and can comprise:

determining a first reduction value of a first pollution change value according to the accumulated starting times; wherein the first reduction value is positively correlated with the accumulated start-up times; obtaining a first change value difference value of the second pollution change value and the first pollution change value, determining a second change value difference value according to the sum of the first change value difference value and the first reduction value, or determining a third pollution change value according to the difference value of the first pollution change value and the first reduction value, and obtaining a second change value difference value of the second pollution change value and the third pollution change value; and under the condition that the second variation value difference value is larger than or equal to the first set threshold value, determining that the filter screen filtering module fails.

In the above scheme, the sum of the first variation value difference and the first reduction value may be used as the second variation value difference, or the sum of the first variation value difference and the first reduction value may be fine-tuned, and the fine-tuned result may be used as the second variation value difference.

The difference between the first pollution change value and the first reduction value may be used as the third pollution change value, or the difference between the first pollution change value and the first reduction value may be fine-tuned, and the fine-tuned result may be used as the third pollution change value, where the fine-tuning process refers to properly increasing or reducing the difference between the first pollution change value and the first reduction value.

By adopting the technical scheme, the first pollution change value is adjusted by accumulating the starting times, or the second difference change value is adjusted, the adverse effect caused by water quantity reduction is reduced, and the accuracy of the judging result of whether the filter screen filtering module is invalid is improved.

In the above-mentioned scheme, the sum of the first set threshold value and the second increase value may be used as the second set threshold value, or the sum of the first set threshold value and the second increase value may be finely tuned, and the result after fine tuning is used as the second set threshold value, where the fine tuning process refers to appropriately increasing or decreasing the sum of the first set threshold value and the second increase value.

By adopting the technical scheme, the first set threshold value is adjusted by accumulating the starting time, the adverse effect caused by water quantity reduction is reduced, and the accuracy of the judging result of whether the filter screen filtering module is invalid is improved.

Or, judging whether the filter screen filter module fails according to the first pollution change value, the second pollution change value and the accumulated starting time length, and may include:

In the above scheme, the sum of the first variation value difference and the second reduction value may be used as the second variation value difference, or the sum of the first variation value difference and the second reduction value may be fine-tuned, and the fine-tuned result may be used as the second variation value difference, where the fine-tuning process refers to properly increasing or decreasing the sum of the first variation value difference and the second reduction value.

The difference between the first pollution change value and the second reduction value can be used as a third pollution change value, or the difference between the first pollution change value and the second reduction value can be finely tuned, the finely tuned result is used as the third pollution change value, and the fine tuning process refers to properly increasing or reducing the difference between the first pollution change value and the second reduction value.

By adopting the technical scheme, the first pollution change value is adjusted by accumulating the starting time length, or the second difference change value is adjusted, the adverse effect caused by water quantity reduction is reduced, and the accuracy of the judging result of whether the filter screen filtering module is invalid is improved.

Fig. 3 is a flowchart of a method for determining a failure of a filter module according to an embodiment of the present application. The method of determining the filter screen filtration module failure can be performed in a controller of the air cleaning apparatus or in a server in the smart home system.

Referring to fig. 3, the method for determining the failure of the filtering module of the filter screen includes:

s301, under the condition that equipment is ventilated, in the process that the water washing filter module is not started before the current moment, setting a first pollution change value of water in a water tank in a time period and accumulating the starting times of the water washing filter module.

S302, setting a second pollution change value of water in the water tank in a time period in the process of starting the water washing filter module before the current moment when the accumulated starting times are larger than or equal to the starting times threshold value.

S303, judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting times.

S304, under the condition that the accumulated starting times are smaller than a starting times threshold value, a second pollution change value and a first change value difference value of the second pollution change value are obtained.

And S305, determining that the filter screen filtering module fails under the condition that the first variation value difference value is larger than or equal to a first set threshold value.

After the pollutants in the air are dissolved in the water, the content of the pollutants in the water is in inverse proportion to the water quantity (the water quantity of the pollutants in the air is a denominator, the water quantity is a denominator), the accumulated starting times are smaller than the starting times threshold value, the water quantity consumption in the water tank is less, and under the condition, the relevant adjustment is not carried out according to the accumulated starting times any more, so that more accurate judgment results can be conveniently obtained.

Fig. 4 is a flowchart of a method for determining a failure of a filter module according to an embodiment of the present application. The method of determining the filter screen filtration module failure can be performed in a controller of the air cleaning apparatus or in a server in the smart home system.

Referring to fig. 4, the method for determining the failure of the filtering module of the filter screen includes:

s401, under the condition that equipment is ventilated, in the process that the water washing filter module is not started before the current moment, setting a first pollution change value of water in a water tank in a time period and accumulating the starting time period of the water washing filter module.

S402, setting a second pollution change value of water in the water tank in a time period in the process of starting the water washing filter module before the current moment when the accumulated starting time period is greater than or equal to the starting time period threshold value.

S403, judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting duration.

S404, under the condition that the accumulated starting time is smaller than the starting time threshold, obtaining a second pollution change value and a first change value difference value of the second pollution change value.

And S405, determining that the filter screen filtering module fails under the condition that the first variation value difference value is larger than or equal to a first set threshold value.

After the pollutants in the air are dissolved in the water, the content of the pollutants in the water is in inverse proportion to the water quantity (the water quantity of the pollutants in the air is a denominator, the water quantity is a denominator), the accumulated starting time is smaller than a starting time threshold value, the water quantity consumption in the water tank is less, and under the condition, the relative adjustment is not carried out according to the accumulated starting times, so that more accurate judgment results can be conveniently obtained.

In some application scenarios, S305 or S405 is executed again when the accumulated startup times is smaller than the startup times threshold and the accumulated startup time period is smaller than the startup time period threshold.

In some application scenarios, the method for determining the failure of the filter screen filtering module further includes: and under the condition that the first pollution change value is larger than or equal to the second set threshold value, prompting to fill water into the water tank or filling water into the water tank. The first pollution change value is larger than or equal to the second set threshold value, which indicates that the water in the water tank is too little, and water is injected into the water tank under the condition to obtain a more conventional judgment result.

Optionally, the type of the filter screen filter module is a plurality of, different types of filter screen filter modules are used for detecting different types of pollutants, and a plurality of sensors for detecting pollutants in the water tank are provided;

The method for determining the failure of the filter screen filtering module before the first pollution variation value and the second pollution variation value are obtained further comprises the following steps: obtaining the current type of the filter screen filtering module; a sensor corresponding to the current type is selected to detect a pollution variation value of water in the water tank.

Fig. 5a and 5b are schematic diagrams of a device for determining a failure of a filter module of a filter screen according to an embodiment of the present application. The filter screen filter module failure determination means may be implemented in software, hardware or a combination of both.

As shown in connection with fig. 5a and 5b, the filter screen filter module failure determining means includes a first obtaining module 51, a second obtaining module 51 and a first determining module 53, or the filter screen filter module failure determining means includes a first obtaining module 51, a second obtaining module 52 and a second determining module 54.

The first obtaining module 51 is configured to obtain, under a condition that the device is ventilated, a first pollution change value of water in the water tank within a set period of time and a cumulative start number or a cumulative start duration of the water washing filtration module in a process that the water washing filtration module is not started up before a current time;

the second obtaining module 52 is configured to obtain a second pollution variation value of water in the water tank within a set period of time during starting the water washing filtration module before the current time;

The first determining module 53 is configured to determine whether the filtering module of the filter screen fails according to the first pollution variation value, the second pollution variation value, and the accumulated starting times;

the second determining module 54 is configured to determine whether the filtering module of the filter screen fails according to the first pollution variation value, the second pollution variation value, and the accumulated starting duration.

Alternatively, the first determining module 53 includes a first determining unit, a second determining unit, a first obtaining unit, and a third determining unit;

the first determining unit is used for determining a first improvement value of a first set threshold according to the accumulated starting times, wherein the first improvement value is positively correlated with the accumulated starting times;

the second determining unit is used for determining a second set threshold according to the sum of the first set threshold and the first improvement value;

the first obtaining unit is used for obtaining a first change value difference value of the second pollution change value and the first pollution change value;

the third determining unit is used for determining that the filter screen filtering module fails under the condition that the first variation value difference value is larger than or equal to the second set threshold value.

Alternatively, the first determining module 53 includes a fourth determining unit, a fifth determining unit, and a sixth determining unit;

the fourth determining unit is used for determining a first reduction value of the first pollution change value according to the accumulated starting times, wherein the first reduction value is positively correlated with the accumulated starting times;

The fifth determining unit is used for obtaining a first change value difference value of the second pollution change value and the first pollution change value, and determining a second change value difference value according to the sum of the first change value difference value and the first reduction value; or determining a third pollution change value according to the difference value between the first pollution change value and the first reduction value, and obtaining a second change value difference value between the second pollution change value and the third pollution change value;

the sixth determining unit is used for determining that the filter screen filtering module fails under the condition that the second variation value difference value is larger than or equal to the first set threshold value.

Alternatively, the second determining module 54 includes a seventh determining unit, an eighth determining unit, a second obtaining unit, and a ninth determining unit;

the seventh determining unit is used for determining a second improvement value of the first set threshold according to the accumulated starting duration, wherein the second improvement value is positively correlated with the accumulated starting duration;

the eighth determining unit is used for determining a second set threshold according to the sum of the first set threshold and the second improvement value;

the second obtaining unit is used for obtaining a first change value difference value of the second pollution change value and the first pollution change value;

the ninth determining unit is used for determining that the filter screen filtering module fails under the condition that the first variation value difference value is larger than or equal to the second set threshold value.

Alternatively, the second determining module 54 includes a tenth determining unit, an eleventh determining unit, and a second determining unit;

the tenth determining unit is used for determining a second reduction value of the first pollution change value according to the accumulated starting duration, wherein the second reduction value is positively correlated with the accumulated starting duration;

the eleventh determining unit is configured to obtain a first variation value difference between the second pollution variation value and the first pollution variation value, determine a second variation value difference according to a sum of the first variation value difference and the second reduction value, or determine a third pollution variation value according to a difference between the first pollution variation value and the second reduction value, and obtain a second variation value difference between the second pollution variation value and the third pollution variation value;

the twelfth determining unit is used for determining that the filter screen filtering module fails under the condition that the second variation value difference value is larger than or equal to the first set threshold value.

Optionally, the first determining module 53 is specifically configured to determine whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value, and the accumulated startup frequency when the accumulated startup frequency is greater than or equal to the startup frequency threshold.

Optionally, the second determining module 54 is specifically configured to determine whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value, and the accumulated starting time period when the accumulated starting time period is greater than or equal to the starting time period threshold.

Optionally, the determining device for failure of the filtering module of the filter screen further comprises a third determining module, and the third determining module is used for obtaining a second pollution change value and a first change value difference value of the second pollution change value under the condition that the accumulated starting times is smaller than a starting times threshold and the accumulated starting time is smaller than a starting time threshold; and under the condition that the first variation value difference value is larger than or equal to a first set threshold value, determining that the filter screen filtering module fails.

Optionally, the first obtaining module 51 is specifically configured to obtain two pollution values of water in the water tank at the beginning and end moments of the set duration, and take a difference value of the two pollution values as the first pollution variation value.

Optionally, the first obtaining module 51 is specifically configured to obtain a plurality of pollution values of water in the water tank within a set period of time, and calculate a first average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in the last set time period, and calculating a second average value of the plurality of pollution values; the difference between the second average value and the first average value is taken as a first pollution variation value.

Optionally, the first obtaining module 51 is specifically configured to divide the set duration into two durations at a central moment of the set duration; obtaining a plurality of pollution values of water in the water tank in a first time period, and calculating a third average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in a second time period, and calculating a fourth average value of the plurality of pollution values; and taking the difference value between the fourth average value and the third average value as a first pollution change value.

Optionally, the second obtaining module 52 is specifically configured to obtain two pollution values of water in the water tank at the beginning and end moments of the set duration, and take a difference value of the two pollution values as the second pollution variation value.

Optionally, the second obtaining module 52 is specifically configured to obtain a plurality of pollution values of water in the water tank within a set period of time, and calculate a fifth average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in the last set time period, and calculating a sixth average value of the plurality of pollution values; the difference between the sixth average value and the fifth average value is taken as a second pollution variation value.

Optionally, the second obtaining module 52 is specifically configured to divide the set duration into two durations at a central moment of the set duration; obtaining a plurality of pollution values of water in the water tank in a first time period, and calculating a seventh average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in a second time period, and calculating an eighth average value of the plurality of pollution values; and taking the difference value between the eighth average value and the seventh average value as a second pollution variation value.

Optionally, the device for determining the failure of the filter screen filtering module further comprises a prompt module or a water injection module.

The prompting module is used for prompting water injection into the water tank under the condition that the first pollution change value is larger than or equal to a second set threshold value;

The water injection module is used for injecting water into the water tank under the condition that the first pollution change value is larger than or equal to the second set threshold value.

Optionally, the determining device for failure of the filtering module of the filter screen further comprises a third obtaining module and a selecting module;

the third obtaining module is used for obtaining the current type of the filter screen filtering module before obtaining the first pollution change value and the second pollution change value;

the selection module is used for selecting a sensor corresponding to the current type to detect the pollution change value of water in the water tank.

Fig. 6 is a schematic diagram of a device for determining failure of a filtering module of a filtering screen according to an embodiment of the present application. Referring to fig. 6, the device for determining the failure of the filter module of the filter screen includes:

a processor (processor) 61 and a memory (memory) 62, and may also include a communication interface (Communication Interface) 63 and a bus 64. The processor 61, the communication interface 63, and the memory 62 may communicate with each other via the bus 64. The communication interface 63 may be used for information transfer. Processor 61 may invoke logic instructions in memory 62 to perform the method of determining filter screen filter module failure provided by the previous embodiments.

Further, the logic instructions in the memory 62 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 62 is a computer readable storage medium that can be used to store a software program, a computer executable program, such as program instructions/modules corresponding to the methods in the embodiments of the present application. The processor 61 executes functional applications and data processing by running software programs, instructions and modules stored in the memory 62, i.e. implements the methods of the method embodiments described above.

Memory 62 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, memory 62 may include high-speed random access memory, and may also include non-volatile memory.

In some embodiments, the intelligent air conditioner filter screen filter module, the water washing filter module, and the filter screen filter module failure determining device provided in the foregoing embodiments; the water washing filter module comprises a water tank, and air firstly passes through the filter screen filter module and then passes through the water washing filter module in the ventilation process of the air conditioner.

As shown in fig. 7, the intelligent air conditioner 71 includes the determination device 72 for failure of the filtering mode of the filter screen 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:

The present embodiments provide 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 solutions of the embodiments 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, etc.) to perform all or part of the steps of the methods of the embodiments 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 present 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 this application, the terms "comprises," "comprising," and/or "includes," and variations thereof, mean that the stated features, integers, steps, operations, elements, and/or components are present, but that the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. 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 should not be considered to be beyond the scope of the embodiments of the present 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 embodiments 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 method for determining the failure of a filter screen filter module is characterized in that air firstly passes through the filter screen filter module and then passes through a water washing filter module, and the water washing filter module comprises a water tank; the determining method comprises the following steps:

2. The method of determining as claimed in claim 1, wherein determining whether the filter screen filter module is disabled based on the first pollution variation value, the second pollution variation value, and the cumulative number of starts comprises:

determining a first improvement value of a first set threshold according to the accumulated starting times, wherein the first improvement value is positively correlated with the accumulated starting times; determining a second set threshold according to the sum of the first set threshold and the first improvement value; obtaining a first change value difference of the second pollution change value and the first pollution change value; under the condition that the difference value of the first variation value is larger than or equal to a second set threshold value, determining that the filter screen filtering module fails;

Or,

3. The method of determining as claimed in claim 1, wherein determining whether the filter screen filter module is disabled based on the first pollution variation value, the second pollution variation value, and the accumulated activation time period comprises:

determining a second improvement value of the first set threshold according to the accumulated starting time, wherein the second improvement value is positively correlated with the accumulated starting time; determining a second set threshold according to the sum of the first set threshold and the second improvement value; obtaining a first change value difference of the second pollution change value and the first pollution change value; under the condition that the difference value of the first variation value is larger than or equal to a second set threshold value, determining that the filter screen filtering module fails;

Or,

4. The method of determining as claimed in claim 1, wherein determining whether the filter screen filter module is disabled based on the first pollution variation value, the second pollution variation value, and the cumulative number of starts comprises: judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting times under the condition that the accumulated starting times are larger than or equal to a starting times threshold value;

judging whether the filter screen filter module fails according to the first pollution change value, the second pollution change value and the accumulated starting duration, comprising: judging whether the filter screen filtering module fails according to the first pollution change value, the second pollution change value and the accumulated starting time length under the condition that the accumulated starting time length is greater than or equal to the starting time length threshold value;

The determining method further comprises the following steps: under the condition that the accumulated starting times is smaller than a starting times threshold value and the accumulated starting time length is smaller than a starting time length threshold value, a second pollution change value and a first change value difference value of the second pollution change value are obtained; and under the condition that the first variation value difference value is larger than or equal to a first set threshold value, determining that the filter screen filtering module fails.

5. The method for determining according to any one of claims 1 to 4, wherein,

obtaining a first pollution change value of water in a water tank within a set time period, wherein the first pollution change value comprises:

obtaining two pollution values of water in a water tank at the beginning and end moments of a set time length, and taking the difference value of the two pollution values as a first pollution change value;

or,

obtaining a plurality of pollution values of water in a water tank within a set time period, and calculating a first average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in the last set time period, and calculating a second average value of the plurality of pollution values; taking the difference value between the second average value and the first average value as a first pollution change value;

or,

dividing the set time length into two time lengths at the center time of the set time length; obtaining a plurality of pollution values of water in the water tank in a first time period, and calculating a third average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in a second time period, and calculating a fourth average value of the plurality of pollution values; taking the difference value between the fourth average value and the third average value as a first pollution change value;

obtaining two pollution values of water in the water tank at the beginning and the end of a set time length, and taking the difference value of the two pollution values as a second pollution change value;

or,

obtaining a plurality of pollution values of water in the water tank within a set time period, and calculating a fifth average value of the plurality of pollution values; obtaining a plurality of pollution values of water in the water tank in the last set time period, and calculating a sixth average value of the plurality of pollution values; taking the difference value between the sixth average value and the fifth average value as a second pollution variation value;

or,

6. The determination method according to any one of claims 1 to 4, characterized by further comprising:

and under the condition that the first pollution change value is larger than or equal to the second set threshold value, prompting to fill water into the water tank or filling water into the water tank.

7. The method according to any one of claims 1 to 4, wherein the type of the screen filter module is plural, different types of screen filter modules are used for detecting different types of contaminants, and plural sensors for detecting contaminants are provided in the water tank;

before obtaining the first pollution variation value and the second pollution variation value, the method further comprises: obtaining the current type of the filter screen filtering module; a sensor corresponding to the current type is selected to detect a pollution variation value of water in the water tank.

8. The device for determining the failure of the filter screen filter module is characterized in that air firstly passes through the filter screen filter module and then passes through the water washing filter module, and the water washing filter module comprises a water tank; the determining device includes:

the first obtaining module is used for setting a first pollution change value of water in the water tank in a time period and accumulated starting times or accumulated starting time length of the water washing filter module in the process of not starting the water washing filter module before the current moment under the condition of ventilation of equipment;

9. A filter screen module failure determination apparatus comprising a processor and a memory storing program instructions, wherein the processor is configured, when executing the program instructions, to perform the filter screen module failure determination method of any of claims 1 to 7.

10. An intelligent air conditioner, characterized by comprising:

a screen filter module;

the water washing filter module comprises a water tank;

and a determination device of the failure of the screen filtration module of the preceding claim 8 or 9;