CN114484736A - Control method for dust removal of filter screen and air purifier - Google Patents
Control method for dust removal of filter screen and air purifier Download PDFInfo
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- CN114484736A CN114484736A CN202111635727.3A CN202111635727A CN114484736A CN 114484736 A CN114484736 A CN 114484736A CN 202111635727 A CN202111635727 A CN 202111635727A CN 114484736 A CN114484736 A CN 114484736A
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000000428 dust Substances 0.000 title claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000004590 computer program Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 18
- 239000011888 foil Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000013618 particulate matter Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 229910001006 Constantan Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910018487 Ni—Cr Inorganic materials 0.000 description 2
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The invention provides a control method for dust removal of a filter screen and an air purifier, wherein a resistance strain gauge is arranged between the filter screen and a filter screen fixing frame of the filter screen, and the control method comprises the following steps: detecting initial resistance value R of resistance strain gauge0(ii) a Detecting an operating resistance value R of the resistance strain gauge; judging whether the running resistance value R is equal to an initial preset resistance value or not, and obtaining a judgment result; correcting the display life of the filter screen according to the judgment result; wherein, the initial preset resistance value includes: first preset value R1First predetermined value R1Is equal to R0(ii) a Second preset value R2Second predetermined value R2Is equal to A1×R0(ii) a Third predetermined value R3The third stepSetting a value R3Is equal to A2×R0(ii) a Fourth predetermined value R4Fourth predetermined value R4Is equal to A3×R0；A1Less than 1, A1Greater than A2，A2Greater than A3. The invention solves the technical problem that the dust removal effect of the filter screen is not good due to the fact that the service life of the current filter screen is displayed inaccurately, and achieves the technical effects of improving the service life display accuracy of the filter screen and enabling the dust removal effect of the filter screen to be better.
Description
Technical Field
The invention relates to the technical field of air purifiers, in particular to a control method for dust removal of a filter screen and an air purifier.
Background
At present, the service life of the filter screen of the air purifier is displayed mostly according to the running time of the air purifier, or according to the running time and the PM2.5 index in the air, the service life of the filter screen is displayed to be 0 or the filter screen is generally replaced by a user after the running reaches a certain time.
There are problems in that: the filter screen type air purifier usually comprises a plurality of layers of filter screens, a primary filter screen intercepts large particles such as hair, cotton wool and large-particle dust, the service life detection and display cannot be influenced by the filth blockage degree of the primary filter screen under the current filter screen service life calculation method, but the actual operation air intake and purification energy efficiency of the air purifier can be influenced, so that a new filter screen dust removal control method needs to be designed, and the service life display of the filter screen is more accurate.
Disclosure of Invention
The invention solves the technical problem that the service life display of the current filter screen is not accurate enough so that the dust removal effect of the filter screen is not good, and realizes the technical effects of improving the service life display accuracy of the filter screen and better dust removal effect of the filter screen.
In order to solve the above problems, the present invention provides a control method for dust removal of a filter screen, wherein a resistance strain gauge is arranged between the filter screen and a filter screen fixing frame, and the control method comprises: detecting initial resistance value R of resistance strain gauge0(ii) a Detecting an operating resistance value R of the resistance strain gauge; judging whether the running resistance value R is equal to an initial preset resistance value or not, and obtaining a judgment result; correcting the display life of the filter screen according to the judgment result; wherein, the initial preset resistance value includes: first preset value R1First predetermined value R1Is equal to R0(ii) a Second preset value R2Second predetermined value R2Is equal to A1×R0(ii) a Third predetermined value R3Third predetermined value R3Is equal to A2×R0(ii) a Fourth predetermined value R4Fourth predetermined value R4Is equal to A3×R0；A1Less than 1, A1Greater than A2，A2Greater than A3。
Compared with the prior art, the technical scheme has the following technical effects: the invention provides a control method for dust removal of a filter screen, which is particularly suitable for an air purifier. The resistance strain gauge is made by winding 0.02-0.05 mm constantan wires or nickel-chromium wires into a grid shape and clamping the grid shape in two layers of insulating sheets, and a tinned copper wire is connected with a strain gauge wire grid to be used as a strain gauge lead wire for connecting a measuring lead. The resistance value of resistance foil gage changes along with the stifled degree of filth of filter screen department, consequently through be provided with the resistance foil gage between filter screen and the fixed frame of its filter screen, can judge the stifled degree of filth of filter screen department more accurately to rectify the demonstration life-span of filter screen, improve the accuracy that the filter screen life-span shows. The filth blockage degree of the filter screen is set to four levels, namely clean state, slight filth blockage, medium filth blockage and serious filth blockage, and the corresponding resistance values are R respectively1(R1＝R0)，R2(R2＝A1×R0)，R3(R3＝A2×R0)，R4(R4＝A3×R0) Subdividing the initial preset resistance value to obtain the initial preset resistance value and the initial resistance value R0Have the proportional relation between, can carry out more meticulous correction to the demonstration life-span of filter screen for the user can in time wash or change the filter screen, and filter screen dust removal effect is better, and then prolongs the life of filter screen, and air purifier's purifying effect is better, and user's use is felt better.
In one example of the present invention, the current display lifetime of the filter screen is L0Correcting the display life of the filter screen comprises: when the running resistance value R is equal to the first preset value R1In the case of (2), the display life of the filter screen remains unchanged.
Compared with the prior art, the technical scheme has the following technical effects: the running resistance value R at this time is equal toInitial resistance value R0The filter screen is in a clean state, the display life of the filter screen is the original life of the filter screen, and the display life of the filter screen does not need to be corrected.
In one example of the present invention, the current display lifetime of the filter screen is L1Correcting the display life of the filter screen comprises: when the running resistance value R is equal to the second preset value R2In the case of (1), the display life of the filter screen is corrected to the first display life L1', first display lifetime L1Is equal to L1×(1-a％)。
Compared with the prior art, the technical scheme has the following technical effects: the filter screen is in slightly dirty stifled state this moment, and the demonstration life-span of filter screen receives the interference of particulate matter and is not accurate enough, therefore will rectify its demonstration life-span for the demonstration life-span of filter screen is more accurate, and the filter screen can in time be cleaned, and then prolongs the life of filter screen.
In one example of the present invention, the current display lifetime of the filter screen is L2Correcting the display life of the filter screen further comprises: when the running resistance value R is equal to the third preset value R3In the case of (1), the display life of the filter screen is corrected to the second display life L2', second display lifetime L2Is equal to L2X (1-b%); wherein b is greater than a.
Compared with the prior art, the technical scheme has the following technical effects: the filter screen is in medium filth stifled state this moment, and the demonstration life-span of filter screen receives the interference of particulate matter great and accurate inadequately, therefore will rectify its demonstration life-span for the demonstration life-span of filter screen is more accurate, and the filter screen can in time be cleaned, and then prolongs the life of filter screen.
In one example of the present invention, the current display lifetime of the filter screen is L3Correcting the display life of the filter screen further comprises: when the running resistance value R is equal to the fourth preset value R4In the case of (1), the display life of the filter screen is corrected to a third display life L3', third display lifetime L3Is equal to L3X (1-c%); wherein c is greater than b.
Compared with the prior art, the technical scheme has the following technical effects: the filter screen is in seriously stifled state this moment, and the demonstration life-span of filter screen receives the interference of particulate matter very big and accurate inadequately, therefore will rectify its demonstration life-span for the demonstration life-span of filter screen is more accurate, and the filter screen can in time be cleaned, and then prolongs the life of filter screen.
In one example of the present invention, the control method further includes: sending a prompt to a user, cleaning the filter screen, and detecting the initial resistance value R of the cleaned filter screen0', and the display life of the filter screen is corrected to a fourth display life L4Fourth display lifetime L4Is equal to L3X (1+ d%); wherein d is greater than c.
Compared with the prior art, the technical scheme has the following technical effects: when the filter screen is in serious filthy stifled state, send the suggestion to the user, the user can in time clean the filter screen, because the reason of the clean condition of filter screen and structural connection change, certain change can take place for the resistance value of reinserting the filter screen back resistance foil gage, therefore corrects its initial state's filter screen display life for subsequent filter screen display life's correction operation is more accurate.
In one example of the present invention, the current display lifetime of the filter screen is the fourth display lifetime L4The control method further comprises the following steps: judging whether the running resistance value R is equal to a running threshold value or not, and obtaining a judgment result; correcting the display life of the filter screen according to the judgment result; wherein the operational threshold comprises: first threshold value R5First threshold value R5Is equal to R0'; second threshold value R6Second threshold value R6Is equal to A1×R0'; third threshold value R7Third threshold value R7Is equal to A2×R0'; fourth threshold value R8Fourth threshold value R8Is equal to A3×R0’。
Compared with the prior art, the technical scheme has the following technical effects: the resistance value of the resistance strain gauge after re-inserting the filter screen can occurThe proportional relation between the initial resistance value and the initial preset resistance value is not changed. With L4And as a new service life base number, the service life displayed by the filter screen is corrected according to the comparison between the operation resistance value R and the operation threshold value, so that the accuracy of the service life displayed by the filter screen is higher.
In one example of the present invention, issuing the prompt to the user further comprises: if the filter screen is not cleaned, a prompt is sent to a user periodically.
Compared with the prior art, the technical scheme has the following technical effects: if the filter screen is cleaned, no prompt is sent to the user; if the user does not clean the filter screen, the prompt is sent to the user periodically to remind the user to clean the filter screen in time, and the service life of the filter screen can be prolonged.
In one example of the invention, the cue comprises a light signal and/or a sound signal.
Compared with the prior art, the technical scheme has the following technical effects: the light signal and/or the sound signal are/is used for prompting a user, the user can easily perceive the prompt, the user can clean the filter screen in time, the method is more humanized, and meanwhile the service life of the filter screen is prolonged.
The invention also provides an air purifier, which comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein the steps of any one of the control methods are realized when the processor executes the program.
Compared with the prior art, the technical scheme has the following technical effects: a computer program stored on a memory and executable on a processor will implement the steps of the above-described control method when executed.
Drawings
Fig. 1 is a logic schematic diagram of a control method for dust removal of a filter screen according to an embodiment of the present invention.
Fig. 2 is a logic schematic diagram of a control method for dust removal of a filter screen according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The first embodiment is as follows:
referring to fig. 1, the present invention provides a method for controlling dust removal of a filter screen, wherein a resistance strain gauge is arranged between the filter screen and a filter screen fixing frame, and the method comprises:
s10: detecting initial resistance value R of resistance strain gauge0；
S20: detecting an operating resistance value R of the resistance strain gauge;
s30: judging whether the running resistance value R is equal to an initial preset resistance value or not, and obtaining a judgment result;
s40: correcting the display life of the filter screen according to the judgment result;
wherein, the initial preset resistance value includes: first preset value R1First predetermined value R1Is equal to R0(ii) a Second preset value R2Second predetermined value R2Is equal to A1×R0(ii) a Third predetermined value R3Third predetermined value R3Is equal to A2×R0(ii) a Fourth predetermined value R4Fourth predetermined value R4Is equal to A3×R0；A1Less than 1, A1Greater than A2，A2Greater than A3。
Specifically, the resistance strain gauge is made by winding 0.02-0.05 mm constantan wires or nickel-chromium wires into a grid shape and clamping the grid shape in two layers of insulating sheets, and a tinned copper wire is connected with a strain gauge wire grid to be used as a strain gauge lead wire and used for connecting a measuring lead. The resistance value of the resistance strain gauge changes along with the filth blockage degree at the filter screen, so that the filth blockage degree at the filter screen can be more accurately judged, and the display service life of the filter screen is corrected.
Specifically, the control method for dust removal of the filter screen is particularly suitable for dust removal of the filter screen of the air purifier, and the initial preset resistance value is set before the air purifier leaves a factory for facilitating operation of a user.
Furthermore, the filth blockage degree of the filter screen is determinedFour stages, namely clean state, slight filth blockage, medium filth blockage and serious filth blockage, and the corresponding resistance values are R1(R1＝R0)，R2(R2＝A1×R0)，R3(R3＝A2×R0)，R4(R4＝A3×R0)。
Further, referring again to FIG. 2, the current display lifetime of the filter screen is L0Correcting the display life of the filter screen comprises: when the running resistance value R is equal to the first preset value R1In the case of (2), the display life of the filter screen remains unchanged.
Further, the current display life of the filter screen is L1Correcting the display life of the filter screen comprises: when the running resistance value R is equal to the second preset value R2In the case of (1), the display life of the filter screen is corrected to the first display life L1', first display lifetime L1Is equal to L1×(1-a％)。
Further, the current display life of the filter screen is L2Correcting the display life of the filter screen further comprises: when the running resistance value R is equal to the third preset value R3In the case of (1), the display life of the filter screen is corrected to the second display life L2', second display lifetime L2Is equal to L2X (1-b%); wherein b is greater than a.
Further, the current display life of the filter screen is L3Correcting the display life of the filter screen further comprises: when the running resistance value R is equal to the fourth preset value R4In the case of (1), the display life of the filter screen is corrected to a third display life L3', third display lifetime L3Is equal to L3X (1-c%); wherein c is greater than b.
Further, the control method further comprises: sending a prompt to a user, cleaning the filter screen, and detecting the initial resistance value R of the cleaned filter screen0', and the display life of the filter screen is corrected to a fourth display life L4Fourth display lifetime L4Is equal to L3X (1+ d%); wherein d is greater than c.
Further, the current display life of the filter screen including the optical signal and/or the sound signal is prompted to be the fourth display life L4The control method further comprises the following steps: judging whether the running resistance value R is equal to a running threshold value or not, and obtaining a judgment result; correcting the display life of the filter screen according to the judgment result; wherein the operational threshold comprises: first threshold value R5First threshold value R5Is equal to R0'; second threshold value R6Second threshold value R6Is equal to A1×R0'; third threshold value R7Third threshold value R7Is equal to A2×R0'; fourth threshold value R8Fourth threshold value R8Is equal to A3×R0’。
Further, the sending the prompt to the user further includes: if the filter screen is not cleaned, a prompt is sent to a user periodically.
Further, the prompt includes a light signal and/or an audible signal.
The second embodiment:
the invention also provides an air purifier, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of any one of the control methods in the above examples.
Example three:
on the basis of the first embodiment, in a specific embodiment, the air purifier is started, and the service life of the filter screen is cleared firstly when the air purifier is started for the first time, namely the service life L of the filter screen in the original state is recovered0Theoretically, the life of the filter screen is 100%, and the initial resistance of the resistance strain gauge detected in the clean state is R0。
Further, after the air purifier starts to operate, the operation resistance value R is detected every 1h, and the detection result is fed back to the control module of the air purifier. And if the running time is less than 1h, detecting when the air purifier is started to run next time.
Further, the detected running resistance value R is equal to a first preset value R1At this time, the resistor is operatedThe value R is equal to the initial resistance value R0The filter screen is in a clean state, and the display life L of the filter screen is equal to L0L remains unchanged and no correction is required.
Example four:
on the basis of the third embodiment, in a specific embodiment, the detected running resistance value R is equal to the second preset value R2At this time, the running resistance R is equal to A1×R0The filter screen is in slightly dirty stifled state, and the demonstration life-span of filter screen receives the interference of particulate matter and is not accurate enough, therefore will rectify its demonstration life-span for the demonstration life-span of filter screen is more accurate. The current display life of the filter screen is L1Correcting the display life of the filter screen to the first display life L1', first display lifetime L1Is equal to L1×(1-a％)。
Specifically, A1Is 0.85, the second preset value R2Equal to 0.85R0。
Specifically, a is 1, and the current display life of the filter screen is L1The display life of the filter screen is corrected to the first display life L1', first display lifetime L1Is equal to L1×(1-1％)。
Example five:
on the basis of the third embodiment, in a specific embodiment, the detected running resistance value R is equal to a third preset value R3At this time, the running resistance R is equal to A2×R0The filter screen is in a medium filth blocking state, the display life of the filter screen is greatly interfered by particles and is not accurate enough, so that the display life of the filter screen is corrected, and the display life of the filter screen is more accurate. The current display life of the filter screen is L2Correcting the display life of the filter screen to a second display life L2', second display lifetime L2' is equal to L2×(1-b％)。
Specifically, A2Is 0.75, the third preset value R3Equal to 0.75R0。
Specifically, b is 4, the current display life of the filter screenIs L2The display life of the filter screen is corrected to a second display life L2', second display lifetime L2Is equal to L2×(1-4％)。
Example six:
on the basis of the first embodiment, in a specific embodiment, the detected running resistance value R is equal to a fourth preset value R4At this time, the running resistance R is equal to A3×R0The filter screen is in a serious filth blockage state, the display life of the filter screen is greatly interfered by particles and is not accurate enough, so that the display life of the filter screen is corrected, and the display life of the filter screen is more accurate. The current display life of the filter screen is L3Correcting the display life of the filter screen to a third display life L3', third display lifetime L3Is equal to L3×(1-c％)。
Specifically, A3Is 0.65, then the fourth preset value R4Is equal to 0.65R0。
Specifically, c is 5, and the current display life of the filter screen is L3The display life of the filter screen is corrected to a third display life L3', third display lifetime L3Is equal to L3×(1-5％)。
And further, a prompt is sent to a user, and the primary filter screen is cleaned. If the user has carried out the cleaning of initial effect filter screen, then insert the back at the filter screen, open air purifier and detect the initial resistance value of resistance foil gage again, the initial resistance value that detects and obtain resistance foil gage is R0'. It can be clearly known that, due to the cleaning condition of the filter screen and the structural connection variation, the resistance value of the resistance strain gauge after the filter screen is reinserted will change to some extent, but the proportional relation between the initial resistance value and the initial preset resistance value will not change. At the moment, according to the display life L of the filter screen3Correcting the display life of the initial filter screen to a fourth display life L4Fourth display lifetime L4Is equal to L3×(1+d％)。
Specifically, d is 15, and the initial display life of the filter screen is corrected to the fourth display life L4Fourth display lifetime L4Is equal to L3×(1+15％)。
Specifically, the air purifier is operated, the operation resistance value R is detected once every 1h, the detection result is fed back to a control module of the air purifier, whether the operation resistance value R is equal to an operation threshold value or not is judged, and a judgment result is obtained; correcting the display life of the filter screen according to the judgment result; wherein the operational threshold comprises: first threshold value R5First threshold value R5Is equal to R0'; second threshold value R6Second threshold value R6Is equal to A1×R0'; third threshold value R7Third threshold value R7Is equal to A2×R0'; fourth threshold value R8Fourth threshold value R8Is equal to A3×R0’。
It is clear that with L4As a new service life base number, the service life displayed by the filter screen is corrected according to the comparison between the running resistance value R and the running threshold value, and the accuracy is higher.
Further, if the user does not clean the filter screen, a prompt is sent to the user periodically for three times.
Further, the prompt includes a light-on prompt, a buzzing prompt, a voice prompt and the like.
It should be noted that the numerical values provided in the above embodiments are only used as reference, and those skilled in the art can make adaptive adjustments according to specific situations.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A control method for dust removal of a filter screen is characterized in that a resistance strain gauge is arranged between the filter screen and a filter screen fixing frame of the filter screen, and the control method comprises the following steps:
detecting an initial resistance value R of the resistance strain gauge0；
Detecting an operation resistance value R of the resistance strain gauge;
judging whether the running resistance value R is equal to an initial preset resistance value or not, and obtaining a judgment result;
correcting the display life of the filter screen according to the judgment result;
wherein the initial preset resistance value comprises: first preset value R1The first preset value R1Is equal to R0(ii) a Second preset value R2The second preset value R2Is equal to A1×R0(ii) a Third predetermined value R3The third preset value R3Is equal to A2×R0(ii) a Fourth predetermined value R4Said fourth predetermined value R4Is equal to A3×R0；A1Less than 1, A1Greater than A2，A2Greater than A3。
2. The control method according to claim 1, wherein the current display life of the filter screen is L0Correcting the display life of the filter screen comprises:
when the running resistance value R is equal to the first preset value R1In the case of (2), the display life of the filter screen remains unchanged.
3. The control method according to claim 1, wherein the current display life of the filter screen is L1Correcting the display life of the filter screen comprises:
when the running resistance value R is equal to the second preset value R2In the case of (1), the display life of the filter screen is corrected to a first display life L1', the first display lifetime L1Is equal to L1×(1-a％)。
4. The control method according to claim 3, wherein the current display life of the filter screen is L2And correcting the display life of the filter screen further comprises:
when the running resistance value R is equal to the third preset value R3In the case of (2), the display life of the filter screen is corrected to a second display life L2', the second display lifetime L2Is equal to L2X (1-b%); wherein b is greater than a.
5. The control method according to claim 4, wherein the current display life of the filter screen is L3And correcting the display life of the filter screen further comprises:
when the running resistance value R is equal to the fourth preset value R4In the case of (1), the display life of the filter screen is corrected to a third display life L3', the third display lifetime L3Is equal to L3X (1-c%); wherein c is greater than b.
6. The control method according to claim 5, characterized by further comprising:
sending a prompt to a user, cleaning the filter screen, and detecting the initial resistance value R of the cleaned filter screen0', and the display life of the filter screen is corrected to a fourth display life L4The fourth display life L4Is equal to L3X (1+ d%); wherein d is greater than c.
7. The control method according to claim 6, wherein the current display life of the filter screen is the fourth display life L4The control method further comprises:
judging whether the running resistance value R is equal to a running threshold value or not, and obtaining a judgment result;
correcting the display life of the filter screen according to the judgment result;
wherein the operational threshold comprises: first threshold value R5The first threshold value R5Is equal to R0'; second threshold value R6The second threshold value R6Is equal to A1×R0'; third threshold value R7Said third thresholdValue R7Is equal to A2×R0'; fourth threshold value R8The fourth threshold value R8Is equal to A3×R0’。
8. The control method of claim 6, wherein said prompting the user further comprises:
and if the filter screen is not cleaned, periodically sending a prompt to a user.
9. The control method according to any one of claims 6 to 8, wherein the prompt comprises a light signal and/or a sound signal.
10. An air purifier comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor, when executing the program, carries out the steps of the control method according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111635727.3A CN114484736A (en) | 2021-12-29 | 2021-12-29 | Control method for dust removal of filter screen and air purifier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111635727.3A CN114484736A (en) | 2021-12-29 | 2021-12-29 | Control method for dust removal of filter screen and air purifier |
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| CN114484736A true CN114484736A (en) | 2022-05-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959116A (en) * | 2019-03-21 | 2019-07-02 | 佛山市顺德区阿波罗环保器材有限公司 | A kind of display methods and device in air purifier active carbon filter screen service life |
| CN110013713A (en) * | 2019-03-21 | 2019-07-16 | 青岛海尔空调器有限总公司 | Air purifier strainer service life judgment method and air purifier |
| CN111649450A (en) * | 2020-05-22 | 2020-09-11 | 宁波奥克斯电气股份有限公司 | Filter screen dust removal reminding method and device and air conditioner |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109959116A (en) * | 2019-03-21 | 2019-07-02 | 佛山市顺德区阿波罗环保器材有限公司 | A kind of display methods and device in air purifier active carbon filter screen service life |
| CN110013713A (en) * | 2019-03-21 | 2019-07-16 | 青岛海尔空调器有限总公司 | Air purifier strainer service life judgment method and air purifier |
| CN111649450A (en) * | 2020-05-22 | 2020-09-11 | 宁波奥克斯电气股份有限公司 | Filter screen dust removal reminding method and device and air conditioner |
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