CN108826581A - Air-conditioning filter net cleans judgment method - Google Patents
Air-conditioning filter net cleans judgment method Download PDFInfo
- Publication number
- CN108826581A CN108826581A CN201810415174.2A CN201810415174A CN108826581A CN 108826581 A CN108826581 A CN 108826581A CN 201810415174 A CN201810415174 A CN 201810415174A CN 108826581 A CN108826581 A CN 108826581A
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- China
- Prior art keywords
- air
- filter net
- conditioning filter
- electric current
- dirty stifled
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The present invention provides a kind of air-conditioning filter net cleaning judgment method.The air-conditioning filter net cleans judgment method：The dirty stifled situation of air-conditioning filter net is detected, and is tentatively judged according to testing result；When testing result meets preliminary Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, to the dirty stifled carry out secondary detection of air-conditioning filter net；Secondary judgement is carried out according to dirty stifled situation of the secondary detection result to air-conditioning filter net, when testing result meets secondary Rule of judgment, judges that air-conditioning filter net occurs dirty block up and needs to clean；When testing result is unsatisfactory for secondary Rule of judgment, judge air-conditioning filter net without cleaning.Air-conditioning filter net according to the present invention cleans judgment method, can effectively determine whether filter screen needs to clean, and avoids filter screen in advance or lag cleaning, improves detection accuracy, guarantee the good operation of filter screen.
Description
Technical field
The invention belongs to air-conditioning technical fields, and in particular to a kind of air-conditioning filter net cleaning judgment method.
Background technique
Air-conditioning, that is, air regulator refers to manually means, to building, the temperature, humidity of surrounding air in structures, clean
The process that the parameters such as cleanliness, speed are adjusted and control.Generally comprise cold source, heat resource equipment, cold and hot medium distributing system, end
The several majors such as end device and other ancillary equipments.It mainly include water pump, blower and pipe-line system.End equipment is then responsible for utilization
The cold and hot amount that transmission & distribution are come specifically handles air, temperature, the air parameter of target environment is made to reach requirement.
Air-conditioning filter net is cleaned after a period of use, otherwise can be bred bacterium, be led to room air pollution,
Human health is influenced, while also will affect the runnability, air quantity and comfort of air-conditioning.It is asked to solve this
Topic, also provides corresponding solution in the prior art, i.e., periodically cleans to air-conditioning filter net, guarantees air-conditioning filter net
Strainability.However due to the difference of operation of air conditioner duration, location, user's use habit etc., air-conditioning is often generated
Filter screen scavenging period chooses inappropriate problem or testing result inaccuracy etc., causes air-conditioning filter net without cleaning
Shi Jinhang cleaning, or when air-conditioning filter net is serious dirty stifled, do not clean etc. in time, seriously affect user uses body
It tests.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that providing a kind of air-conditioning filter net cleaning judgment method, Neng Gouyou
It imitates and determines whether filter screen needs to clean, avoid filter screen in advance or lag cleaning, improve detection accuracy, guarantee filter screen
Good operation.
To solve the above-mentioned problems, the present invention provides a kind of air-conditioning filter net cleaning judgment method, including：To air conditioning filter
The dirty stifled situation of net is detected, and is tentatively judged according to testing result；When testing result meets preliminary Rule of judgment,
The dirty stifled inspection policies for adjusting air-conditioning filter net, to the dirty stifled carry out secondary detection of air-conditioning filter net；According to secondary detection result
Secondary judgement is carried out to the dirty stifled situation of air-conditioning filter net and judges air conditioning filter when testing result meets secondary Rule of judgment
Net occurs dirty block up and needs to clean；When testing result is unsatisfactory for secondary Rule of judgment, judge air-conditioning filter net without cleaning.
Preferably, the step for the dirty stifled situation of air-conditioning filter net being detected, and tentatively being judged according to testing result
Suddenly include：
Detection blower fan revolving speed；
Detection blower fan electric current；
The blower electric current that will test default blower electric current corresponding under the rotation speed of fan compares, and is tied according to comparison
Fruit is tentatively judged.
Preferably, the step of tentatively being judged according to comparing result include：
If the blower electric current detected is less than corresponding default blower electric current under the rotation speed of fan, judges to meet and tentatively sentence
Broken strip part.
Preferably, when testing result meets preliminary Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, to sky
Adjust filter screen dirty stifled progress secondary detection the step of include：
Rotation speed of fan is adjusted to secondary judgement revolving speed；
The blower electric current under secondary judgement revolving speed is detected, by the default blower electricity under the blower electric current and secondary judgement revolving speed
Stream compares；
It is dirty stifled to judge whether filter screen occurs according to comparing result.
Preferably, when testing result meets preliminary Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, to sky
Adjust filter screen dirty stifled progress secondary detection the step of include：
Blower electric current is amplified, amplified blower electric current and preset amplification blower electric current are compared；
It is dirty stifled to judge whether filter screen occurs according to comparing result.
Preferably, when testing result meets preliminary Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, to sky
Adjust filter screen dirty stifled progress secondary detection the step of include：
It is constant to control rotation speed of fan；
Wind deflector is controlled to swing；
Obtain the position angle of wind-guiding board motor and the electric current of wind-guiding board motor；
The electric current of wind-guiding board motor is compared with the predetermined current of the wind-guiding board motor of the position angle；
It is dirty stifled to judge whether filter screen occurs according to comparing result.
Preferably, the air-conditioning filter net cleaning judgment method further includes：
Detection blower fan is inner blower or outer blower；
Default blower electric current accordingly is transferred according to testing result.
Preferably, secondary to judge revolving speed for the rotation speed of fan under other wind files greater than current wind file.
Preferably, each wind file includes multiple judgement wind files, secondary to judge revolving speed for the judgement wind file under current wind file
Corresponding rotation speed of fan.
Preferably, secondary to judge corresponding rotation speed of fan when revolving speed is in maximum wind file for blower.
Air-conditioning filter net provided by the invention cleans judgment method：The dirty stifled situation of air-conditioning filter net is examined
It surveys, and is tentatively judged according to testing result；When testing result meets preliminary Rule of judgment, the dirty of air-conditioning filter net is adjusted
Stifled inspection policies, to the dirty stifled carry out secondary detection of air-conditioning filter net；According to secondary detection result to the dirty stifled of air-conditioning filter net
Situation carries out secondary judgement, when testing result meets secondary Rule of judgment, judges that air-conditioning filter net occurs dirty block up and needs to clean；
When testing result is unsatisfactory for secondary Rule of judgment, judge air-conditioning filter net without cleaning.It cleans and judges in the air-conditioning filter net
In method, first by preliminary Rule of judgment to air-conditioning filter net whether occur it is dirty it is stifled judged in advance, later further according to preliminary
The stifled secondary judgement of progress whether dirty to air-conditioning filter net of the result of judgement, can be improved the standard of the dirty stifled condition detection of air-conditioning filter net
True property and reliability avoid the problem of testing result inaccuracy that may be present in preliminary deterministic process, filter screen are avoided to shift to an earlier date
Or lag cleaning, detection accuracy is improved, guarantees the good operation of filter screen.
Detailed description of the invention
Fig. 1 is that the air-conditioning filter net of the embodiment of the present invention cleans judgment method flow chart.
Specific embodiment
In conjunction with shown in Figure 1, according to an embodiment of the invention, air-conditioning filter net cleaning judgment method includes：To air-conditioning
The dirty stifled situation of filter screen is detected, and is tentatively judged according to testing result；Item is tentatively judged when testing result meets
When part, the dirty stifled inspection policies of air-conditioning filter net are adjusted, to the dirty stifled carry out secondary detection of air-conditioning filter net；According to secondary detection
As a result secondary judgement is carried out to the dirty stifled situation of air-conditioning filter net and judges air-conditioning when testing result meets secondary Rule of judgment
Filter screen occurs dirty block up and needs to clean；When testing result is unsatisfactory for secondary Rule of judgment, judge air-conditioning filter net without cleaning.
In air-conditioning filter net cleaning judgment method, whether air-conditioning filter net is occurred by preliminary Rule of judgment first
It is dirty it is stifled judged in advance, later further according to the result tentatively judged it is whether dirty to air-conditioning filter net it is stifled carry out secondary judgement, can
The accuracy and reliability for improving the dirty stifled condition detection of air-conditioning filter net avoids detection knot that may be present in preliminary deterministic process
The problem of fruit inaccuracy avoids filter screen in advance or lag cleaning, improves detection accuracy, guarantee the good operation of filter screen.
The dirty stifled situation of air-conditioning filter net is detected, and the step of tentatively being judged according to testing result includes：
Detection blower fan revolving speed；Detection blower fan electric current；The blower electric current that will test default blower electric current corresponding under the rotation speed of fan
It compares, is tentatively judged according to comparing result.
When filtering net is dirty stifled serious, blower motor load is lowered, and dirty stifled more serious, empty load of motor degree is bigger, uses
Electric current is smaller.Therefore, by the way that the current running current of blower to be compared with operating current required when working normally
It is dirty stifled tentatively to judge whether filter screen occurs.Default blower electric current is when working normally, required in the case where set rotation speed of fan
Blower electric current.
It when being detected, can first will be so that air-conditioning stable operation, then detection blower fan electric current, and stable operation t
Time, the relationship between continuous detection blower fan electric current and default blower electric current, when being consecutively detected blower electric current and default blower
Relationship between electric current meet filter screen dirtying block up testing requirements when, then tentatively judge filter screen occur it is dirty block up.
When testing result meets preliminary Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, to air conditioning filter
Net dirty stifled progress secondary detection the step of include：If the blower electric current detected is less than corresponding default wind under the rotation speed of fan
Electromechanics stream, then judge to meet preliminary Rule of judgment；Rotation speed of fan is adjusted to secondary judgement revolving speed；It detects under secondary judgement revolving speed
Blower electric current compares the blower electric current and the default blower electric current under secondary judgement revolving speed；Judged according to comparing result
Whether filter screen occurs dirty stifled.
Due to being preset even if detecting that blower electric current is corresponding less than under the rotation speed of fan in air-conditioning normal course of operation
Blower electric current, but the difference between the blower electric current and default blower electric current is smaller, therefore comparing result is unobvious, is easy
Existing error detection phenomenon.Therefore, it is necessary to carry out to the dirty stifled situation of filter screen further in the case where meeting preliminary Rule of judgment
Confirmation, guarantee the accuracy and reliability of testing result, avoid without clean when cleaned, or cleaning lag etc. feelings
The generation of condition.
Secondary judgement revolving speed herein is greater than rotation speed of fan when tentatively being judged, this is because rotation speed of fan is bigger,
Blower electric current needed for then is bigger, correspondingly, when filter screen occurs dirty stifled, actual blower electric current and actually required electric current
Difference is bigger, namely practical blower electric current is bigger less than the amplitude of default blower electric current, and comparing result is more obvious, and testing result is got over
Accurately.
When testing result meets preliminary Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, to air conditioning filter
Net dirty stifled progress secondary detection the step of include：If the blower electric current detected is less than corresponding default wind under the rotation speed of fan
Electromechanics stream, then judge to meet preliminary Rule of judgment；Blower electric current is amplified, amplified blower electric current is put with preset
Strong wind electromechanics stream compares；It is dirty stifled to judge whether filter screen occurs according to comparing result, concrete mode is to detect amplified
Difference between blower electric current and preset amplification blower electric current, compares the size between the difference and preset current differential,
When the difference is greater than preset current differential, then it is dirty stifled to illustrate that filter screen occurs, is cleaned.
In the present embodiment, mainly amplify practical blower electric current and default blower electric current by way of amplifying electric current
Between difference, and then amplify current vs judgement, improve the accuracy and reliability of testing result.
In another embodiment, when testing result meets preliminary Rule of judgment, the dirty of air-conditioning filter net is adjusted
Stifled inspection policies include to the step of dirty stifled progress secondary detection of air-conditioning filter net：It should if the blower electric current detected is less than
Corresponding default blower electric current, then judge to meet preliminary Rule of judgment under rotation speed of fan；It is constant to control rotation speed of fan；Control wind-guiding
Plate is swung；Obtain the position angle of wind-guiding board motor and the electric current of wind-guiding board motor；By the electric current of wind-guiding board motor and the position
The predetermined current of the wind-guiding board motor of angle is compared；According to comparing result dirty stifled, the specific table that judges whether filter screen occurs
Now it is, if the electric current of wind-guiding board motor is less than the predetermined current or wind-guiding board motor of the wind-guiding board motor of the position angle
The difference of predetermined current of the electric current wind-guiding board motor that is less than the position angle reach predetermined current difference, then it is assumed that filter screen
Whether occur dirty stifled, is cleaned.
Air quantity is judged indirectly by obtaining position angle and the corresponding current of wind-guiding board motor, because dirty stifled situation
Seriousness will affect air volume.When rotation speed of fan is constant, in the case that air quantity is constant, wind is blown against wind deflector, wind deflector
There is different resistances in different angle, just there are different corresponding currents, by angle and electric current corresponding relationship, judges that air quantity is big indirectly
It is small, by with parameter-embedded comparison, dirty stifled information is judged, to confirm the accuracy and reliability of judging result.Leading herein
Aerofoil is preferably the wind deflector of wind-guiding up and down.Blower herein is preferably inner blower.
Air-conditioning filter net cleans judgment method：Detection blower fan is inner blower or outer blower；According to testing result
Transfer default blower electric current accordingly.
Due to the air-conditioning internal machine default blower electric current different, set with the dirty stifled Rule of judgment of the filter screen of outer machine
Also not identical.It first determines whether that blower is inner blower or outer blower, default wind accordingly is then transferred according to the result of judgement
Electromechanics stream, helps to improve the accuracy of testing result.
It is secondary to judge revolving speed for the rotation speed of fan under other wind files greater than current wind file.In general, blower includes
Multiple wind files, it is only necessary to can guarantee that blower wind file when carrying out secondary judgement is greater than current wind file, it will be able to increase blower and turn
Speed, and then amplify electric current comparison result, so that reduced parameter is more accurate.
Each wind file can also include multiple judgement wind files, secondary to judge revolving speed for the judgement wind file institute under current wind file
Corresponding rotation speed of fan.In the present embodiment, the wind file of blower is constant, and each wind file is not used in and carries out secondary judgement, specially
The judgement wind file for carrying out secondary judgement is increased at each wind file, the rotation speed of fan of the judgement wind file is greater than the wind file
Rotation speed of fan improves the accuracy of judging result to realize the amplification to reduced parameter.
It is secondary to judge corresponding rotation speed of fan when revolving speed is in maximum wind file for blower, enable to current vs' result most
Bigization, so that judging result is more accurate.
When by confirming that filter screen occurs dirty stifled after secondary judgement, filter screen dirtying can be issued at this time and blocks up signal,
User is reminded to clean in time to filter screen, it is ensured that the validity of filter screen work.
Those skilled in the art will readily recognize that above-mentioned each advantageous manner can be free under the premise of not conflicting
Ground combination, superposition.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.Above only
It is the preferred embodiment of the present invention, it is noted that for those skilled in the art, do not departing from this hair
Under the premise of bright technical principle, several improvements and modifications can also be made, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (10)
1. a kind of air-conditioning filter net cleans judgment method, which is characterized in that including：
The dirty stifled situation of air-conditioning filter net is detected, and is tentatively judged according to testing result；
When testing result meets preliminary Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, to air-conditioning filter net
Dirty stifled carry out secondary detection；
Secondary judgement is carried out according to dirty stifled situation of the secondary detection result to air-conditioning filter net, when testing result meets secondary judgement
When condition, judge that air-conditioning filter net occurs dirty block up and needs to clean；When testing result is unsatisfactory for secondary Rule of judgment, air-conditioning is judged
Filter screen is without cleaning.
2. air-conditioning filter net according to claim 1 cleans judgment method, which is characterized in that the dirty stifled of air-conditioning filter net
Situation is detected, and the step of tentatively being judged according to testing result includes：
Detection blower fan revolving speed；
Detection blower fan electric current；
The blower electric current that will test default blower electric current corresponding under the rotation speed of fan compares, according to comparing result into
The preliminary judgement of row.
3. air-conditioning filter net according to claim 2 cleans judgment method, which is characterized in that carried out just according to comparing result
Walking the step of judging includes：
If the blower electric current detected, which less than corresponding default blower electric current under the rotation speed of fan, judges to meet, tentatively judges item
Part.
4. air-conditioning filter net according to claim 3 cleans judgment method, which is characterized in that when testing result meets tentatively
When Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, the step of to the dirty stifled progress secondary detection of air-conditioning filter net
Including：
Rotation speed of fan is adjusted to secondary judgement revolving speed；
Detect it is secondary judgement revolving speed under blower electric current, by the blower electric current and it is secondary judgement revolving speed under default blower electric current into
Row comparison；
It is dirty stifled to judge whether filter screen occurs according to comparing result.
5. air-conditioning filter net according to claim 4 cleans judgment method, which is characterized in that when testing result meets tentatively
When Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, the step of to the dirty stifled progress secondary detection of air-conditioning filter net
Including：
Blower electric current is amplified, amplified blower electric current and preset amplification blower electric current are compared；
It is dirty stifled to judge whether filter screen occurs according to comparing result.
6. air-conditioning filter net according to claim 4 cleans judgment method, which is characterized in that when testing result meets tentatively
When Rule of judgment, the dirty stifled inspection policies of air-conditioning filter net are adjusted, the step of to the dirty stifled progress secondary detection of air-conditioning filter net
Including：
It is constant to control rotation speed of fan；
Wind deflector is controlled to swing；
Obtain the position angle of wind-guiding board motor and the electric current of wind-guiding board motor；
The electric current of wind-guiding board motor is compared with the predetermined current of the wind-guiding board motor of the position angle；
It is dirty stifled to judge whether filter screen occurs according to comparing result.
7. air-conditioning filter net according to claim 2 cleans judgment method, which is characterized in that the air-conditioning filter net cleaning
Judgment method further includes：
Detection blower fan is inner blower or outer blower；
Default blower electric current accordingly is transferred according to testing result.
8. air-conditioning filter net according to claim 4 cleans judgment method, which is characterized in that it is secondary judge revolving speed for greater than
Rotation speed of fan under other wind files of current wind file.
9. air-conditioning filter net according to claim 4 cleans judgment method, which is characterized in that each wind file includes multiple
Judge wind file, it is secondary to judge revolving speed for rotation speed of fan corresponding to the judgement wind file under current wind file.
10. air-conditioning filter net according to claim 4 cleans judgment method, which is characterized in that secondary to judge revolving speed for wind
Machine is in corresponding rotation speed of fan when maximum wind file.
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| CN201810415174.2A CN108826581B (en) | 2018-05-03 | 2018-05-03 | Air conditioner filter screen cleaning judging method |
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| CN201810415174.2A CN108826581B (en) | 2018-05-03 | 2018-05-03 | Air conditioner filter screen cleaning judging method |
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| CN109724210A (en) * | 2018-12-27 | 2019-05-07 | 青岛海尔空调器有限总公司 | Air-conditioner control method |
| CN110260465A (en) * | 2019-07-22 | 2019-09-20 | 珠海格力电器股份有限公司 | Airflow filtering component filth blockage detection device, method and the apparatus of air conditioning |
| CN110940054A (en) * | 2019-10-29 | 2020-03-31 | 珠海格力电器股份有限公司 | Air conditioner filter screen filth blockage detection control method, computer readable storage medium and air conditioner |
| CN111397083A (en) * | 2020-02-19 | 2020-07-10 | 珠海格力电器股份有限公司 | Indoor unit filth blockage degree determination method and device, storage medium and air conditioner |
| CN111442472A (en) * | 2020-04-10 | 2020-07-24 | 青岛海尔空调器有限总公司 | Air conditioner filter screen cleaning prompting method and air conditioner |
| CN112051305A (en) * | 2020-08-28 | 2020-12-08 | 海信（山东）空调有限公司 | Filter screen replacement detection method and device, electrical equipment and storage medium |
| CN114110780A (en) * | 2021-11-15 | 2022-03-01 | 北京小米移动软件有限公司 | Method and device for detecting filter screen of fresh air conditioner indoor unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109724210A (en) * | 2018-12-27 | 2019-05-07 | 青岛海尔空调器有限总公司 | Air-conditioner control method |
| CN110260465A (en) * | 2019-07-22 | 2019-09-20 | 珠海格力电器股份有限公司 | Airflow filtering component filth blockage detection device, method and the apparatus of air conditioning |
| CN110940054A (en) * | 2019-10-29 | 2020-03-31 | 珠海格力电器股份有限公司 | Air conditioner filter screen filth blockage detection control method, computer readable storage medium and air conditioner |
| CN110940054B (en) * | 2019-10-29 | 2021-05-28 | 珠海格力电器股份有限公司 | Air conditioner filter screen filth blockage detection control method, computer readable storage medium and air conditioner |
| CN111397083A (en) * | 2020-02-19 | 2020-07-10 | 珠海格力电器股份有限公司 | Indoor unit filth blockage degree determination method and device, storage medium and air conditioner |
| CN111442472A (en) * | 2020-04-10 | 2020-07-24 | 青岛海尔空调器有限总公司 | Air conditioner filter screen cleaning prompting method and air conditioner |
| CN111442472B (en) * | 2020-04-10 | 2021-09-21 | 青岛海尔空调器有限总公司 | Air conditioner filter screen cleaning prompting method and air conditioner |
| WO2021203978A1 (en) * | 2020-04-10 | 2021-10-14 | 青岛海尔空调器有限总公司 | Method for prompting cleaning of air conditioner filter screen, and air conditioner |
| CN112051305A (en) * | 2020-08-28 | 2020-12-08 | 海信（山东）空调有限公司 | Filter screen replacement detection method and device, electrical equipment and storage medium |
| CN114110780A (en) * | 2021-11-15 | 2022-03-01 | 北京小米移动软件有限公司 | Method and device for detecting filter screen of fresh air conditioner indoor unit |
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| Publication number | Publication date |
|---|---|
| CN108826581B (en) | 2023-06-30 |
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