CN207429923U - Air cleaning facility and its filtration members service life system for prompting - Google Patents
Air cleaning facility and its filtration members service life system for prompting Download PDFInfo
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- CN207429923U CN207429923U CN201720912260.5U CN201720912260U CN207429923U CN 207429923 U CN207429923 U CN 207429923U CN 201720912260 U CN201720912260 U CN 201720912260U CN 207429923 U CN207429923 U CN 207429923U
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Abstract
The utility model discloses a kind of air cleaning facility and its filtration members service life system for prompting, wherein, air cleaning facility filtration members service life system for prompting includes the first detector, the second detector, processing unit and alarm set, wherein, the first detector is used to detect the pollutant concentration of windward side；Second detector is used to detect the pollutant concentration of air side；Processing unit calculates the real time filtering efficiency of filtration members according to the pollutant concentration of the windward side of filtration members and the pollutant concentration of air side, and this pollutant purification amount is calculated according to the pollutant concentration of real time filtering efficiency, the air quantity of current wind shelves, this available machine time and windward side, add up this pollutant purification amount and Historical Pollution object purge amount to obtain pollutant gross decontamination amount；Alarm set is reminded according to pollutant gross decontamination amount.The filtration members service life is judged based on real time filtering efficiency, user can more accurately be reminded to replace or clean filtration members, avoid secondary pollution.
Description
Technical field
The utility model belongs to electric appliance manufacturing technology field more particularly to the air cleaning facility filtration members service life reminds system
System and air cleaning facility.
Background technology
Air cleaning facility was the pollutants such as the product of air filtering, the dust filtered out (including solid-state and gaseous contamination
Object) it can be accumulated in the filtration members of equipment, with the growth of usage time, the filter efficiency of cleaning equipment can decline, thus, only
Changing the filtration members of equipment just needs regularly to replace or clean.Conventional filtration part generally takes replacement or washing or electricity net
Change, can be continuing with after being cleaned using modes such as washing, dust catcher cleanings.But existing filtration members are replaced or cleaning
It reminds, is usually all the accumulative usage time that cleaning equipment is calculated by the way of accumulative usage time timing, used when accumulative
User is reminded to replace strainer or cleaned when time reaches setting value.
But according to the cumulative time is used filtration members is reminded to replace or clean, it is impossible to which whether actual response filtration members
The state of replacement or cleaning is really achieved, if for example, the use environment of cleaning equipment compares preferably, pollutant is relatively
Fewer, often time is up for the replacement filtration members of equipment setting, and the pollutant that actual filtration part is collected is also seldom, filtering
There are no really drop to the state that needs replacing or clean for the filter efficiency (service life) of part；On the contrary, if use environment is disliked very much
It is bad, just it is present with actual filtration part (strainer) the substantial amounts of pollutant of heavy deposition, and do not reach prompting changing or cleaning also
Time, if be continuing with reality without too big effect, but also have secondary pollution situation exist.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, the utility model proposes a kind of air cleaning facility filtration members service life system for prompting, which can be with
More accurately the filtration members service life is reminded, avoids secondary pollution.The utility model also proposes there is the filtration members service life
The air cleaning facility of system for prompting.
To solve the above-mentioned problems, the air cleaning facility filtration members service life of the utility model first aspect embodiment reminds
System, including：At least one first detector of the windward side of filtration members is arranged on, first detector is described for detecting
The pollutant concentration of windward side；It is arranged at least one second detector of the air side of the filtration members, second detection
Device is used to detect the pollutant concentration of the air side；Processing unit, the processing unit respectively with first detector and
Second detector is connected, for the pollutant concentration of the windward side according to the filtration members and the pollutant of the air side
Concentration calculates the real time filtering efficiency of the filtration members, and according to the real time filtering efficiency, current wind shelves air quantity, this opens
The pollutant concentration of machine time and the windward side calculate this pollutant purification amount and, it is net to add up this described pollutant
Change amount and Historical Pollution object purge amount are to obtain pollutant gross decontamination amount；With, alarm set, the alarm set and the processing
Device is connected, for being reminded according to the pollutant gross decontamination amount.
The air cleaning facility filtration members service life system for prompting of the utility model embodiment, passes through the windward side in filtration members
A few detector is respectively provided to air side, based on the framework of detector, processing unit and alarm set, reality can be obtained
When filter efficiency, the filtration members service life is judged based on real time filtering efficiency, compared to using filter efficiency initial value or average value
Judge the service life, user can more accurately be reminded to replace or cleaning filtration members, avoid secondary pollution.
In some embodiments of the utility model, first detector includes PM2.5 concentration sensors, concentration of formaldehyde
At least one of sensor, VOC concentration sensors, sensor of dust concentration.
It is dense that second detector includes PM2.5 concentration sensors, concentration of formaldehyde sensor, VOC concentration sensors, dust
Spend at least one of sensor.
In some embodiments of the utility model, the alarm set is included in buzzer, indicator light, display screen extremely
Few one kind.
In some embodiments of the utility model, the air cleaning facility filtration members service life system for prompting further includes：
Display device, the display device are connected respectively with first detector, second detector and the processing unit, use
In the real-time pollutant concentration and the real-time pollutant concentration of the air side, the real time filtering effect that show the windward side
At least one of in rate, this pollutant purification amount and the pollutant gross decontamination amount, so as to which user can more intuitively feel
By clean-up effect.
In some embodiments of the utility model, the air cleaning facility filtration members service life system for prompting further includes：
Storage device, the storage device are connected with the processing unit, for storing this pollutant purification amount, the pollution
At least one of in object gross decontamination amount, so as to judge that providing data supports for the service life.
The air cleaning facility that the utility model another aspect embodiment proposes, including apparatus body, filtration members and described
Air cleaning facility filtration members service life system for prompting.
The air cleaning facility of the utility model embodiment is reminded by using the filtration members service life of above-mentioned aspect embodiment
System can more accurately remind user to clean or replace filtration members, avoid secondary pollution.
Description of the drawings
Fig. 1 is the block diagram according to the air cleaning facility filtration members service life system for prompting of the utility model embodiment；
Fig. 2 is the frame of the air cleaning facility filtration members service life system for prompting of one embodiment according to the present utility model
Figure；
Fig. 3 is the block diagram according to the air cleaning facility of the utility model embodiment；And
Fig. 4 is the flow chart according to the air cleaning facility filtration members service life based reminding method of the utility model embodiment.
Reference numeral：
Air cleaning facility 1000；
Filtration members service life system for prompting 100, apparatus body 200 and filtration members 300；
First detector 10, the second detector 20, processing unit 30 and alarm set 40, display device 50, storage device
60。
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation.
Air cleaning facility filtration members service life system for prompting according to the utility model embodiment is described with reference to the accompanying drawings.
Fig. 1 is according to the block diagram of the air cleaning facility filtration members service life system for prompting of the utility model embodiment, such as Fig. 1
Shown, which includes at least one first detector 10, at least one second
Detector 20, processing unit 30 and alarm set 40.
Wherein, at least one first detector 10 of the windward side of filtration members is arranged on, for detecting the pollution of windward side
Object concentration；At least one second detector 20 of the air side of filtration members is arranged on, for detecting the pollutant concentration of air side.
Windward side and air side using the filter screen of the filtration members of air cleaning facility such as clarifier as boundary, filtration members in face of wind that
Side is referred to as windward side, is referred to as air side through that one side of filtration members outlet air.
In the utility model some embodiments, the first detector 10 includes PM2.5 concentration sensors, concentration of formaldehyde senses
At least one of device, VOC concentration sensors, sensor of dust concentration, the second detector 20 include PM2.5 concentration sensors,
At least one of concentration of formaldehyde sensor, VOC concentration sensors, sensor of dust concentration.Certainly, detector or use
In the device for detecting other pollutant concentrations in air, it is not specifically limited herein.
Processing unit 30 is connected respectively with the first detector 10 and the second detector 20, and processing unit 30 is according to filtration members
The pollutant concentration of windward side and the pollutant concentration of air side calculate the real time filtering efficiency of filtration members.For example, user is at certain
Moment opens cleaning equipment, and processing unit 30 gathers the detection data of the first detector 10 and the second detector 20 in real time, for example,
The PM2.5 numerical value in indoor environment is gathered, is denoted as CWindward side(unit mg/m3：Milligram/cubic meter), user opens cleaning equipment
At the time of ti, the real time filtering efficiency eta of cleaning equipment filtration membersiFor the pollutant concentration C of filtration members windward sideWindward sideDivided by filtering
The pollutant concentration C of part air sideAir side(unit mg/m3), that is, meet：
In the related art, in the usage amount using accumulation particulate matter come when calculating the utilization rate of cleaning equipment filtration members,
The initial value or average value of filter efficiency based on filtration members obtain accumulative particulate matter, but the filter efficiency of filtration members is
Variation, thus, it is impossible to actual conditions are reacted completely.Compared to correlation technique, the embodiment of the utility model, by filtering
The both sides of part set the first detector and the second detector to provide pollutant concentration in real time, can obtain the real time filtering of filtration members
Efficiency judges to provide more accurate data basis for the service life of filtration members, be conducive to service life of cleaning equipment filtration members into
Row stringent calculating and control.
Specifically, it is similar with correlation technique to the deterministic process in filtration members service life, but the application is imitated based on real time filtering
Rate is come by section.Processing unit 30 is according to the dirt of real time filtering efficiency, the air quantity of current wind shelves, this available machine time and windward side
Dye object concentration calculates this pollutant purification amount.For example, according to user start duration T, calculate operation a period of time T after-purification and set
The pollutant concentration total amount M of standby processingT.Specifically, according to Δ M=QAir quantity×Δt×CWindward side×ηiDuring (formula 2) unit of account
Between pollutant purification amount.Wherein, Δ M is the pollutant purification amount of unit time；QAir quantityFor the air quantity of current wind shelves, for example, with
Cleaning equipment gear is opened when carrying out purification work in family, and the air quantity of the 30 automatic identification gear of processing unit is denoted as QAir quantityIt is (single
Position is m3/h：Cube m/h), the air quantity can be cleaning equipment gear setting air quantity, or cleaning equipment work
Real-time air quantity during work；Δ t is the unit time, for example, the time that user opens cleaning equipment is denoted as ti, processing unit 30
Automatically take unit interval Δ t, being defaulted as pollutant concentration in the unit interval will not change, the unit interval can be 30 seconds or
Person 1 minute or other durations, are not particularly limited herein；CWindward sideFor the pollutant concentration of current windward side, ηiTo be net in real time
Change efficiency.And the pollutant purification amount of accumulative units time is to obtain this pollutant purification amount M of this available machine timeT,
The pollutant purification amount that each unit in this available machine time applies is summed to obtain this pollutant purification amount MT。
And processing unit 30 adds up this pollutant purification amount and Historical Pollution object purge amount is always net to obtain pollutant
In other words change amount, this pollutant purification amount that each start obtains is summed to obtain the pollutant gross decontamination of filtration members
Amount.
Alarm set 40 is connected with processing unit 30, and alarm set 40 is reminded according to pollutant gross decontamination amount.Specifically
For, processing unit 30 can reach default accumulative purge amount in response to pollutant gross decontamination amount, perform and remind instruction, control carries
Device 40 of waking up is reminded.Alternatively, processing unit 30 adds up only according to pollutant gross decontamination amount and the intrinsic of air cleaning facility
Change amount calculate filtration members service life and, reach preset value in response to the service life of filtration members, perform and remind instruction, carried with control
Device 40 of waking up is reminded.Wherein, the inherently accumulative purge amount of air cleaning facility can be according to《18801 air of GB/T is net
Change device》Particulate matter adds up the tired of the filtration members of the type air cleaning facility that the test method test of purge amount is drawn in standard
Particulate matter CMM numerical value is counted, is denoted as MCCM, that is, meeting：And ηlifeDuring >=preset value, alarm set 40 is reminded.
In some embodiments of the utility model, alarm set 40 can include in buzzer, indicator light, display screen
At least one says that alarm set 40 can be reminded by acousto-optic, it is thus possible to which user is notified to replace filtration members in time
Or cleaning, avoid secondary pollution.
In some embodiments of the utility model, with reference to shown in Fig. 2, air cleaning facility filtration members service life system for prompting
100 further include display device 50, display device 50 respectively with 30 phase of the first detector 10, the second detector 20 and processing unit
Connect, for showing the real-time pollutant concentration of the real-time pollutant concentration of windward side and air side, real time filtering efficiency, this dirt
At least one in object purge amount and pollutant gross decontamination amount is contaminated, so as to which user can more intuitively experience clean-up effect.
As shown in Fig. 2, the air cleaning facility filtration members service life system for prompting 100 of the utility model embodiment is further included and deposited
Storage device 60, storage device 60 are connected with processing unit 30, for storing in this pollutant purification amount, pollutant gross decontamination amount
At least one of, it can be calculated for the service life of cleaning equipment filtration members and data support is provided.
In short, the air cleaning facility filtration members service life system for prompting 100 of the utility model embodiment, by net
Change the windward side of the filtration members of equipment and air side is respectively provided to a few detector, monitor windward side and air side respectively
Air pollutant concentration, the real time filtering efficiency to calculate filtration members provides real time data, based on detector, 30 and of processing unit
The framework of alarm set 40 judges the filtration members service life based on real time filtering efficiency, reaches the pre-set dirt of filtration members for example, working as
When contaminating object filter value or reaching lifetime settings value, start alarm mode, user is reminded to be replaced or cleaned, compared to use
The initial value or average value of filter efficiency judge the service life, and the embodiment of the present application judges the filtration members longevity using real time filtering efficiency
Life, can more accurately prompting changing or scavenging period, avoid secondary pollution.In addition, pass through 50 real-time display of display device
Purge amount, user can more intuitively experience clean-up effect.
Air cleaning facility filtration members service life system for prompting 100 based on above-mentioned aspect embodiment, Fig. 3 is according to this practicality
The block diagram of the air cleaning facility of new embodiment, as shown in figure 3, the air cleaning facility 1000 includes the filtering of above-mentioned aspect
Part service life system for prompting 100, apparatus body 200 and filtration members 300.Wherein, it is normal to include it for such as clarifier of apparatus body 200
The indispensable component of work does not enumerate herein such as air passage, motor.
The air cleaning facility 1000 of the utility model embodiment, by using the filtration members service life of above-mentioned aspect embodiment
System for prompting 100 judges the service life of filtration members 300 based on real time filtering efficiency, can more accurately provide user replace or
Filtration members are cleaned, avoid secondary pollution.
The air cleaning facility filtration members service life according to the utility model another further aspect embodiment is described with reference to the accompanying drawings
Based reminding method.Fig. 4 is according to the flow chart of the air cleaning facility filtration members service life based reminding method of the utility model embodiment, such as
Shown in Fig. 4, which includes：
S1 obtains the pollutant concentration of filtration members windward side and obtains the pollutant concentration of filtration members air side.
For example, a few detector is respectively provided in the windward side of filtration members and air side, to detect windward side respectively
With the pollutant concentration of air side, and by detection data be transmitted to processing unit.
S2, the real time filtering that filtration members are calculated according to the pollutant concentration of windward side and the pollutant concentration of air side are imitated
Rate, such as calculated according to above-mentioned formula (2) and obtain real time filtering efficiency.
S3, according to the pollutant concentration meter of real time filtering efficiency, the air quantity of current wind shelves, this available machine time and windward side
Calculate this pollutant purification amount.
Specifically, this pollutant purification amount can be calculated by the following formula：According to Δ M=QAir quantity×Δt×CWindward side×
ηiThe pollutant purification amount of unit of account time, wherein, Δ M be the unit time pollutant purification amount, QAir quantityFor current wind shelves
Air quantity, Δ t be the unit time, CWindward sideFor the pollutant concentration of current windward side, ηiFor real-time purification efficiency；It is and accumulative single
The pollutant purification amount of position time is to obtain this pollutant purification amount of this available machine time.
S4 adds up this pollutant purification amount and Historical Pollution object purge amount to obtain pollutant gross decontamination amount.
S5 carries out prompting control according to the pollutant gross decontamination amount.
In some embodiments of the utility model, reach default accumulative purge amount in response to pollutant gross decontamination amount, hold
Row reminds instruction；Alternatively, filtration members are calculated according to the intrinsic accumulative purge amount of pollutant gross decontamination amount and air cleaning facility
Service life and, reach preset value in response to the service life of filtration members, perform and remind instruction.For example, pass through buzzer or alarm
It is reminded or is reminded by indicator light or display screen, so as to which user can replace or clean in time filtration members.
The air cleaning facility filtration members service life based reminding method of the utility model embodiment, by obtaining filtration members windward side
Pollutant concentration and obtain the pollutant concentration of filtration members air sides and can obtain real time filtering efficiency, and then according to real-time
Filter efficiency judges the filtration members service life, compared to the initial value or average value that filter efficiency is used in correlation technique, Ke Yigeng
Add and user is reminded to replace or clean filtration members exactly, avoid secondary pollution.
A kind of computer readable storage medium is also disclosed in some embodiments of the utility model, is stored thereon with meter
Calculation machine program, the program realize the air cleaning facility filtration members service life prompting side of above-mentioned aspect embodiment when being executed by processor
Method.
A kind of computer applied algorithm is also disclosed in some embodiments of the utility model, when it is in computer equipment
Processor on when performing, perform such as the air cleaning facility filtration members service life based reminding method of embodiment in terms of above-mentioned.
A kind of computer program product is also disclosed in some embodiments of the utility model, works as computer program product
In instruction when being performed by processor, perform the air cleaning facility filtration members service life based reminding method of above-mentioned aspect embodiment.
It should be noted that in the description of this specification, any mistake described otherwise above in flow chart or herein
Journey or method description are construed as, and expression includes one or more the step of being used to implement specific logical function or process
Executable instruction code module, segment or part, and the scope of the preferred embodiment of the utility model include it is another
Outer realization, wherein order that is shown or discussing can not be pressed, including according to involved function by it is basic and meanwhile in the way of
Or in the opposite order, perform function is carried out, this should be managed by the embodiment person of ordinary skill in the field of the utility model
Solution.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
Row system, device or equipment instruction fetch and the system executed instruction) it uses or combines these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
Defeated program is for instruction execution system, device or equipment or the dress used with reference to these instruction execution systems, device or equipment
It puts.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Connecting portion (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or if necessary with it
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the utility model can be realized with hardware, software, firmware or combination thereof.
In the above embodiment, what multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Software or firmware are realized.If for example, with hardware come realize in another embodiment, can be with known in this field
Any one of following technology or their combination realize：With for the logic gate to data-signal realization logic function
The discrete logic of circuit, the application-specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA),
Field programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, one or a combination set of the step of including embodiment of the method.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It combines in an appropriate manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the different embodiments described in this specification or example and different embodiments or exemplary feature into
Row combines and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it is impossible to be interpreted as the limitation to the utility model, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (7)
1. a kind of air cleaning facility filtration members service life system for prompting, which is characterized in that including：
At least one first detector of the windward side of filtration members is arranged on, first detector is used to detect the windward side
Pollutant concentration；
Be arranged at least one second detector of the air side of the filtration members, second detector for detect it is described go out
The pollutant concentration of wind side；
Processing unit, the processing unit is connected respectively with first detector and second detector, for according to institute
It states the pollutant concentration of the windward side of filtration members and the pollutant concentration of the air side calculates the real time filtering of the filtration members
Efficiency, and it is dense according to the pollutant of the real time filtering efficiency, the air quantity of current wind shelves, this available machine time and the windward side
Degree calculate this pollutant purification amount and, this accumulative described pollutant purification amount and Historical Pollution object purge amount are to obtain
Pollutant gross decontamination amount；With
Alarm set, the alarm set are connected with the processing unit, for being carried according to the pollutant gross decontamination amount
It wakes up.
2. air cleaning facility filtration members service life system for prompting as described in claim 1, which is characterized in that first detection
Device includes at least one in PM2.5 concentration sensors, concentration of formaldehyde sensor, VOC concentration sensors, sensor of dust concentration
Kind.
3. air cleaning facility filtration members service life system for prompting as claimed in claim 2, which is characterized in that second detection
Device includes at least one in PM2.5 concentration sensors, concentration of formaldehyde sensor, VOC concentration sensors, sensor of dust concentration
Kind.
4. air cleaning facility filtration members service life system for prompting as claimed in claim 3, which is characterized in that the alarm set
Including at least one of buzzer, indicator light, display screen.
5. such as claim 1-4 any one of them air cleaning facility filtration members service life system for prompting, which is characterized in that described
Air cleaning facility filtration members service life system for prompting further includes：
Display device, the display device respectively with first detector, second detector and the processing unit phase
Even, for showing the real-time pollutant concentration of the real-time pollutant concentration of the windward side and the air side, the real-time mistake
Filter at least one in efficiency, this pollutant purification amount and the pollutant gross decontamination amount.
6. air cleaning facility filtration members service life system for prompting as claimed in claim 5, which is characterized in that the air purification
Equipment filtration members service life system for prompting further includes：
Storage device, the storage device are connected with the processing unit, for storing this described pollutant purification amount, described
At least one of in pollutant gross decontamination amount.
7. a kind of air cleaning facility, which is characterized in that including apparatus body, filtration members and such as any one of claim 1-6 institutes
The air cleaning facility filtration members service life system for prompting stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720912260.5U CN207429923U (en) | 2017-07-25 | 2017-07-25 | Air cleaning facility and its filtration members service life system for prompting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720912260.5U CN207429923U (en) | 2017-07-25 | 2017-07-25 | Air cleaning facility and its filtration members service life system for prompting |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297109A (en) * | 2017-07-25 | 2017-10-27 | 广东美的环境电器制造有限公司 | Air cleaning facility and its filtration members life-span system for prompting and based reminding method |
| CN110260464A (en) * | 2019-06-26 | 2019-09-20 | 广东美的制冷设备有限公司 | The control method and device of air processor |
| CN113932412A (en) * | 2021-10-08 | 2022-01-14 | 青岛海尔空调器有限总公司 | Reminding method and reminding system of air purification equipment and air purification equipment |
-
2017
- 2017-07-25 CN CN201720912260.5U patent/CN207429923U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107297109A (en) * | 2017-07-25 | 2017-10-27 | 广东美的环境电器制造有限公司 | Air cleaning facility and its filtration members life-span system for prompting and based reminding method |
| CN110260464A (en) * | 2019-06-26 | 2019-09-20 | 广东美的制冷设备有限公司 | The control method and device of air processor |
| CN113932412A (en) * | 2021-10-08 | 2022-01-14 | 青岛海尔空调器有限总公司 | Reminding method and reminding system of air purification equipment and air purification equipment |
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