CN104390322B - Automatic judgment method, device and system for service life of filter screen - Google Patents
Automatic judgment method, device and system for service life of filter screen Download PDFInfo
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- CN104390322B CN104390322B CN201410682681.4A CN201410682681A CN104390322B CN 104390322 B CN104390322 B CN 104390322B CN 201410682681 A CN201410682681 A CN 201410682681A CN 104390322 B CN104390322 B CN 104390322B
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- 238000000034 method Methods 0.000 title claims abstract description 54
- 238000004378 air conditioning Methods 0.000 claims description 27
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 12
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a method, a device and a system for automatically judging the service life of a filter screen. Compared with the prior art, the method and the device solve the problem of dependence on air quality grade, do not need to spend the cost of detecting the air quality, and do not need to be manually set by a user according to the local air quality grade, so that the problem of inaccurate judgment through the air quality grade can be solved, the air quality grade does not need to be manually set by the user, the time is not manually clearly accumulated by the user, the method and the device are more intelligent and humanized, and the method and the device are greatly convenient for the user to use.
Description
Technical field
The present invention relates to technical field of automation, more particularly, to a kind of automatic judging method of drainage screen service life, dress
Put and system.
Background technology
The drainage screen of air-conditioning needs to clean or change in use for some time, and existing new fan filter screen set cleaning is reminded
Essentially preset air pollution grade, judge roughly whether drainage screen reaches degree of cleaning by accumulative use time, by
Very complicated in the pollutant of in the air, the air quality of regional area is real-time change, and affect the drainage screen life-span because
Element is a lot, institute in this way only as simple reference it is impossible to the accurately cleaning of determination drainage screen or replacing construction, and
After cleaning or replacing, also to remove accumulative use time manually, very inconvenient.
Due to too early, cleaning too late or replacing drainage screen, the normal use of air-conditioning all can be affected, so needing now one kind
Method can accurately determine air-conditioning filter net cleaning or time, so that user, normally using air-conditioning, extends air-conditioning service life.
Content of the invention
The invention provides a kind of dial panel, can be more fast easy-to-use when being dialled using this panel.
To achieve these goals, the invention provides following technological means：
A kind of automatic judging method of drainage screen service life, is applied to the automatic decision system of drainage screen service life,
Described system includes at least one air velocity transducer being arranged at air-conditioning duct, is connected with least one air velocity transducer described
Processor, methods described includes：
Obtain air-conditioning when front windshield and described when under front windshield described at least one air velocity transducer gather extremely
A few wind speed, using the meansigma methodss of at least one wind speed described as with described when the corresponding current wind speed of front windshield；
In presetting database obtain with when the corresponding standard wind speed of front windshield and at least one wind speed ratio, described extremely
Few wind speed ratio is used for representing the different dirty stifled degree of drainage screen, is previously stored with and each wind in described presetting database
Keep off corresponding standard wind speed and at least one wind speed ratio corresponding with each windscreen；
Using the ratio of described current wind speed and described standard wind speed as current wind speed ratio；
When described current wind speed ratio decays to a certain wind speed ratio at least one wind speed ratio described, then press and this
The corresponding alerting pattern of a certain wind speed ratio carries out dirty stifled degree to be reminded.
Preferably, at least one wind speed ratio described includes the first wind speed ratio；When described current wind speed ratio decays to
In at least one wind speed ratio described during a certain wind speed ratio, then carry out dirty stifled degree corresponding with this certain wind speed ratio and remind
Including：
In presetting database obtain with when the corresponding first wind speed ratio of front windshield；
When described current wind speed ratio decays to described first wind speed ratio, then remind user's cleaning or change filtration
Net.
Preferably, described prompting user's cleaning or replacing drainage screen include：
Control buzzer call；And/or
Default display lamp flicker on control operation panel.
Preferably, at least one wind speed ratio described includes the second wind speed ratio；When described current wind speed ratio decays to
In at least one wind speed ratio described during a certain wind speed ratio, then carry out dirty stifled degree corresponding with this certain wind speed ratio and remind
Including：
In presetting database obtain with when the corresponding second wind speed ratio of front windshield；
When described current wind speed ratio decays to described second wind speed ratio, then compulsive requirement cleaning or replacing is filtered
Net.
Preferably, described compulsive requirement cleaning or replacing drainage screen include：
Forbid starting shooting；And/or
Forbid starting shooting and by display lamp flicker default on control operation panel.
Preferably, the building process of described presetting database includes：
Obtain each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio and and at least one
The one-to-one alerting pattern of wind speed ratio；
By corresponding with each windscreen for each windscreen described standard wind speed, at least one wind speed ratio and with least one
The one-to-one alerting pattern of individual wind speed ratio stores in the lump to presetting database, and wherein each windscreen is corresponding with each windscreen
Standard wind speed correspond storage, at least one wind speed ratio and at least one alerting pattern correspond storage.
A kind of automatic-decision device of drainage screen service life, is applied to the automatic decision system of drainage screen service life,
Described system includes at least one air velocity transducer being arranged at air-conditioning duct, is connected with least one air velocity transducer described
Processor, described device includes：
Acquiring unit, for obtain air-conditioning when front windshield and described when under front windshield described at least one wind speed pass
At least one wind speed of sensor collection, using the meansigma methodss of at least one wind speed described as with described when front windshield corresponding current
Wind speed；
Query unit, in presetting database obtain with when the corresponding standard wind speed of front windshield and at least one wind
Speed ratio value, at least one wind speed ratio described is used for representing the different dirty stifled degree of drainage screen, in described presetting database in advance
The standard wind speed corresponding with each windscreen that be stored with and at least one wind speed ratio corresponding with each windscreen；
Reminding unit, for using the ratio of described current wind speed and described standard wind speed as current wind speed ratio；Work as institute
When stating current wind speed ratio and decaying to a certain wind speed ratio at least one wind speed ratio described, then press and this certain wind speed ratio
Corresponding alerting pattern carries out dirty stifled degree to be reminded.
Preferably, also include：
Construction unit, for obtain each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio with
And with least one one-to-one alerting pattern of wind speed ratio；By corresponding with each windscreen for each windscreen described standard wind
Speed, at least one wind speed ratio and storing in the lump to preset data with least one one-to-one alerting pattern of wind speed ratio
In storehouse, wherein each windscreen standard wind speed corresponding with each windscreen correspond storage, at least one wind speed ratio with least
One alerting pattern corresponds storage.
A kind of automatic decision system of drainage screen service life, including：
It is arranged at least one air velocity transducer of air-conditioning duct；
The processor being connected with least one air velocity transducer described；
Described processor is used for executing the process of automatic decision drainage screen service life；
The process of execution automatic decision drainage screen service life includes：Obtain air-conditioning when front windshield and described current
At least one wind speed of described at least one air velocity transducer collection under windscreen, using the meansigma methodss of at least one wind speed described as
With described when the corresponding current wind speed of front windshield；Presetting database obtains with when the corresponding standard wind speed of front windshield and extremely
Few wind speed ratio, at least one wind speed ratio described is used for representing the different dirty stifled degree of drainage screen, described preset data
It is previously stored with standard wind speed corresponding with each windscreen and at least one wind speed ratio corresponding with each windscreen in storehouse；Will
The ratio of described current wind speed and described standard wind speed is as current wind speed ratio；Described in decaying to when described current wind speed ratio
In at least one wind speed ratio during a certain wind speed ratio, then carry out dirty stifled degree by alerting pattern corresponding with this certain wind speed ratio
Remind.
Preferably, the process of described execution automatic decision drainage screen service life also includes：
Obtain each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio and and at least one
The one-to-one alerting pattern of wind speed ratio；By corresponding with each windscreen for each windscreen described standard wind speed, at least one wind
Speed ratio value and storing in the lump to presetting database with least one one-to-one alerting pattern of wind speed ratio, wherein each
Windscreen standard wind speed corresponding with each windscreen corresponds storage, at least one wind speed ratio and at least one alerting pattern one
One corresponding storage.
The invention provides a kind of automatic judging method of drainage screen service life, apparatus and system, the present invention adopts wind
Fast sensor detects the change of wind speed, judges the dirty stifled situation of drainage screen by the attenuation rate of wind speed, because air-conditioning draught fan exists
Have fixing wind speed under different windscreens, dirty stifled with drainage screen, wind speed can gradually subtract decay, when decay to a certain extent it
Just different degrees of prompting is carried out to user afterwards.
Compared with conventional art, the present invention solves the dependence to air quality grade, need not spend detection air quality
Cost, manually set according to local air quality grade without user, it is possible to solving by air quality etc.
Level judges inaccurate problem, and manually sets air quality grade without user, be also not required to user clearly accumulative manually when
Between, more intelligent hommization, greatly facilitate user and use.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of the automatic decision system of drainage screen service life disclosed in the embodiment of the present invention；
Fig. 2 is a kind of structure chart of the automatic decision system of drainage screen service life disclosed in the embodiment of the present invention；
Fig. 3 is a kind of flow chart of the automatic judging method of drainage screen service life disclosed in the embodiment of the present invention；
Fig. 4 is that a kind of automatic judging method apoplexy involving ZANG-organ of drainage screen service life disclosed in the embodiment of the present invention blocks up situation signal
Figure；
Fig. 5 is the flow chart of the automatic judging method of the embodiment of the present invention another drainage screen service life disclosed；
Fig. 6 is a kind of structural representation of the automatic-decision device of drainage screen service life disclosed in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
As shown in figure 1, the invention provides a kind of automatic decision system of drainage screen service life, including：
It is arranged at least one air velocity transducer 100 of air-conditioning duct；Air velocity transducer 100 adopts air velocity transducer 1, wind
Fast sensor 2 ... air velocity transducer N represents, wherein N is the natural number more than 1.
The processor 200 being connected with least one air velocity transducer 100 described.
As shown in Fig. 2 being the diagram of air velocity transducer position in air channel, including blower fan 101, drainage screen
102 and air velocity transducer 100.
On the basis of system shown in Figure 1, present invention also offers a kind of automatic judging method of drainage screen service life,
As shown in figure 3, the method comprising the steps of：
Step S101：Obtain air-conditioning when front windshield and described when at least one air velocity transducer described under front windshield
At least one wind speed of 100 collections, using the meansigma methodss of at least one wind speed described as with described when front windshield corresponding current
Wind speed；
The principle of this method is after drainage screen is using a period of time, due to the pollutant such as dust make drainage screen dirty stifled,
Permeability is deteriorated, and dirty stifled degree is bigger, windage is bigger, wind speed is less, if the rotating speed of air-conditioning draught fan is constant, then wind speed will
Decay, decay means that dirty blocking up to a certain extent, so the present invention adopts air velocity transducer Real-time Collection wind to a certain extent
The duct velocity of machine, so that the dirty stifled degree of automatic decision drainage screen.
When specifically used, using an air velocity transducer i.e. can achieve the present invention overall process it is to be understood that
Using multiple sensor acquisition multiple air speed value meansigma methodss as current wind speed, it is possible to increase the accuracy of current wind speed,
And when having one to break down in multiple sensor, also can continue the service life of drainage screen is carried out using remaining sensor
Automatic decision.
Step S102：Presetting database obtains with when the corresponding standard wind speed of front windshield and at least one wind speed ratio
Value, at least one wind speed ratio described is used for representing the different dirty stifled degree of drainage screen, prestores in described presetting database
There are standard wind speed corresponding with each windscreen and at least one wind speed ratio corresponding with each windscreen；
Just built presetting database before present invention execution, presetting database includes standard corresponding with each windscreen
Wind speed and at least one wind speed ratio corresponding with each windscreen are it is to be understood that only arrange one in presetting database
Wind speed ratio can also realize the present invention, and the effect arranging multiple wind speed ratios is in order to drainage screen is carried out with different dirty stifled degree
Prompting.
The present invention is quantified by the dirty stifled of at least one wind speed ratio drainage screen during realizing, and is reaching difference
During dirty stifled degree, correspondence carries out different degrees of prompting, for example：In certain dirty stifled interval can first to user friendly prompting,
Can clean or change drainage screen and be continuing with it is also possible to temporarily not process, serious with dirty stifled situation, constantly carry out different journeys
Degree prompting, until when dirty stifled situation very serious, to when must changing then forbid start shooting, compulsive requirement cleaning or change
Drainage screen.
Depending on the quantity of at least one wind speed ratio can be according to concrete condition, it is not limited thereto.
Step S103：Using the ratio of described current wind speed and described standard wind speed as current wind speed ratio；
Air-conditioning draught fan and Duct design well after, each windscreen has each constant wind speed substantially, due to each wind
The lower wind speed of gear is not quite similar, but after blocking up through filter screen dirtying, sea land distribution ratio is almost consistent, by current wind speed and standard wind
Speed is divided by and is obtained current wind speed ratio, is contrasted with default wind speed ratio using current wind speed ratio, no matter thus reaching
Under which kind of windscreen, as long as sea land distribution ratio reaches default wind speed ratio, just carry out the prompting of degree of correspondence.
Step S104：When described current wind speed ratio decays to a certain wind speed ratio at least one wind speed ratio described
When, then carry out dirty stifled degree by alerting pattern corresponding with this certain wind speed ratio and remind.
Because drainage screen does not almost have dust in initial use, so the wind velocity that goes out of blower fan is near the mark wind speed, meter
The wind speed ratio obtaining is maximum, and during slowly using, the impurity thing such as dust gets more and more, so go out wind velocity can be gradually
Reduce, calculated wind speed ratio is more gradually reduced, so also being provided with different size of multiple at least one wind speed ratio
Wind speed ratio.
Preferably, when current wind speed ratio is compared with least one wind speed ratio, can be at least one wind
Compare according to order from big to small in speed ratio value, if current wind speed ratio decays to some wind speed ratio, press
According to this corresponding mode of wind speed ratio, filter to user reminding or change drainage screen.
The invention provides a kind of automatic judging method of drainage screen service life, apparatus and system, the present invention adopts wind
Fast sensor detects the change of wind speed, judges the dirty stifled situation of drainage screen by the attenuation rate of wind speed, because air-conditioning draught fan exists
Have fixing wind speed under different windscreens, dirty stifled with drainage screen, wind speed can gradually subtract decay, when decay to a certain extent it
Just different degrees of prompting is carried out to user afterwards,
Compared with conventional art, the present invention solves the dependence to air quality grade, need not spend detection air quality
Cost, manually set according to local air quality grade without user, it is possible to solving by air quality etc.
Level judges inaccurate problem, and manually sets air quality grade without user, be also not required to user clearly accumulative manually when
Between, more intelligent hommization, greatly facilitate user and use.
Preferably, at least one wind speed ratio described includes the first wind speed ratio；When described current wind speed ratio decays to
In at least one wind speed ratio described during a certain wind speed ratio, then carry out dirty stifled degree corresponding with this certain wind speed ratio and remind
Including：
In presetting database obtain with when the corresponding first wind speed ratio of front windshield；
When described current wind speed ratio decays to described first wind speed ratio, then remind user's cleaning or change filtration
Net.
Alerting pattern includes：Control buzzer call；And/or default display lamp flicker on control operation panel.
When the dirty stifled degree of drainage screen is in certain dirty stifled interval, can be first to user friendly prompting, prompting user can
It is continuing with it is also possible to temporarily not process with cleaning or changing drainage screen.
Preferably, at least one wind speed ratio described includes the second wind speed ratio；When described current wind speed ratio decays to
In at least one wind speed ratio described during a certain wind speed ratio, then carry out dirty stifled degree corresponding with this certain wind speed ratio and remind
Including：
In presetting database obtain with when the corresponding second wind speed ratio of front windshield；
When described current wind speed ratio decays to described second wind speed ratio, then compulsive requirement cleaning or replacing is filtered
Net.
Alerting pattern includes：Forbid starting shooting；And/or forbid starting shooting and dodged by display lamp default on control operation panel
Bright.
When the dirty stifled situation of drainage screen is very serious, to when must changing then forbid start shooting, compulsive requirement cleaning or
Change drainage screen.
Specifically, as shown in figure 4, being the decay pattern going out wind velocity with drainage screen, as can be seen from Figure 4 just using filtration
During net, wind speed is 100%, runs a period of time drainage screen and starts dirty stifled, wind speed also begins to decay, and reminds when decaying to x%
Cleaning or replacing, to forcing cleaning or replacing during y%, x is [40,80] preferably 50, y is that [20,70] are preferably 40.Wherein horizontal
Axle blocks up situation for filter screen dirtying, and the longitudinal axis is wind speed ratio.
Preferably, before present invention execution, this method also includes：Build the process of presetting database.As shown in figure 5, institute
The building process stating presetting database includes：
Step S201：Obtain each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio and with
At least one one-to-one alerting pattern of wind speed ratio；
Step S202：By corresponding with each windscreen for each windscreen described standard wind speed, at least one wind speed ratio and
Store in the lump to presetting database with least one one-to-one alerting pattern of wind speed ratio, wherein each windscreen and each
The corresponding standard wind speed of windscreen corresponds storage, and at least one wind speed ratio is corresponded with least one alerting pattern and deposits
Storage.
As shown in fig. 6, present invention also offers a kind of automatic-decision device of drainage screen service life, being applied to Fig. 1 institute
The automatic decision system of the drainage screen service life shown, described device includes：
Acquiring unit 41, for obtain air-conditioning when front windshield and described when at least one wind speed described under front windshield
Sensor 100 collection at least one wind speed, using the meansigma methodss of at least one wind speed described as with described when front windshield corresponding
Current wind speed；
Query unit 42, in presetting database obtain with when the corresponding standard wind speed of front windshield and at least one
Wind speed ratio, at least one wind speed ratio described is used for representing the different dirty stifled degree of drainage screen, pre- in described presetting database
The standard wind speed corresponding with each windscreen that be first stored with and at least one wind speed ratio corresponding with each windscreen；
Reminding unit 43, for using the ratio of described current wind speed and described standard wind speed as current wind speed ratio；When
When described current wind speed ratio decays to a certain wind speed ratio at least one wind speed ratio described, then press and this certain wind speed ratio
The corresponding alerting pattern of value carries out dirty stifled degree to be reminded.
As shown in fig. 6, present invention also offers a kind of automatic-decision device of drainage screen service life, also including：
Construction unit 44, for obtaining each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio
And with least one one-to-one alerting pattern of wind speed ratio；By corresponding with each windscreen for each windscreen described standard
Wind speed, at least one wind speed ratio and store in the lump to present count with least one one-to-one alerting pattern of wind speed ratio
According in storehouse, wherein each windscreen standard wind speed corresponding with each windscreen corresponds storage, at least one wind speed ratio with extremely
A few alerting pattern corresponds storage.
As shown in figure 1, present invention also offers a kind of automatic decision system of drainage screen service life, including：
It is arranged at least one air velocity transducer 100 of air-conditioning duct；Wherein air velocity transducer 100 adopts air velocity transducer
1st, air velocity transducer N in air velocity transducer 2 ... represents, wherein N is the natural number more than 1.
The processor 200 being connected with least one air velocity transducer 100 described；
Described processor 200 is used for executing the process of automatic decision drainage screen service life；
The process of execution automatic decision drainage screen service life includes：Obtain air-conditioning when front windshield and described current
At least one wind speed of described at least one air velocity transducer 100 collection under windscreen, by the meansigma methodss of at least one wind speed described
As with described when the corresponding current wind speed of front windshield；In presetting database obtain with when the corresponding standard wind speed of front windshield with
And at least one wind speed ratio, at least one wind speed ratio described is used for representing the different dirty stifled degree of drainage screen, described default
It is previously stored with standard wind speed corresponding with each windscreen and at least one wind speed ratio corresponding with each windscreen in data base
Value；Using the ratio of described current wind speed and described standard wind speed as current wind speed ratio；When described current wind speed ratio is decayed
To at least one wind speed ratio described during a certain wind speed ratio, then carry out dirty by alerting pattern corresponding with this certain wind speed ratio
Stifled degree is reminded.
Preferably, the process of described execution automatic decision drainage screen service life also includes：
Obtain each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio and and at least one
The one-to-one alerting pattern of wind speed ratio；By corresponding with each windscreen for each windscreen described standard wind speed, at least one wind
Speed ratio value and storing in the lump to presetting database with least one one-to-one alerting pattern of wind speed ratio, wherein each
Windscreen standard wind speed corresponding with each windscreen corresponds storage, at least one wind speed ratio and at least one alerting pattern one
One corresponding storage.
The invention provides a kind of automatic decision system of drainage screen service life, the present invention is using air velocity transducer detection
The change of wind speed, judges the dirty stifled situation of drainage screen by the attenuation rate of wind speed, due to air-conditioning draught fan under different windscreens all
There is fixing wind speed, dirty stifled with drainage screen, wind speed can gradually subtract decay, just user is entered after decay is to a certain extent
The different degrees of prompting of row.
Compared with conventional art, the present invention solves the dependence to air quality grade, need not spend detection air quality
Cost, manually set according to local air quality grade without user, it is possible to solving by air quality etc.
Level judges inaccurate problem, and manually sets air quality grade without user, be also not required to user clearly accumulative manually when
Between, more intelligent hommization, greatly facilitate user and use.
If the function described in the present embodiment method is realized and as independent product pin using in the form of SFU software functional unit
When selling or using, can be stored in a computing device read/write memory medium.Based on such understanding, the embodiment of the present invention
Partly being embodied in the form of software product of part that prior art is contributed or this technical scheme, this is soft
Part product is stored in a storage medium, including some instructions with so that computing device (can be personal computer,
Server, mobile computing device or network equipment etc.) execution each embodiment methods described of the present invention all or part step
Suddenly.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only Memory), deposit at random
Access to memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment same or similar partly mutually referring to.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. a kind of automatic judging method of drainage screen service life is it is characterised in that be applied to the automatic of drainage screen service life
Judgement system, described system includes at least one air velocity transducer being arranged at air-conditioning duct, passes with least one wind speed described
The processor that sensor is connected, methods described includes：
Obtain air-conditioning when front windshield and described when at least one of described at least one air velocity transducer collection under front windshield
Individual wind speed, using the meansigma methodss of at least one wind speed described as with described when the corresponding current wind speed of front windshield；
Presetting database obtains with when the corresponding standard wind speed of front windshield and at least one wind speed ratio, described at least one
Individual wind speed ratio is used for representing the different dirty stifled degree of drainage screen, is previously stored with and each windscreen pair in described presetting database
The standard wind speed answered and at least one wind speed ratio corresponding with each windscreen；
Using the ratio of described current wind speed and described standard wind speed as current wind speed ratio；
When described current wind speed ratio decays to a certain wind speed ratio at least one wind speed ratio described, then press a certain with this
The corresponding alerting pattern of wind speed ratio carries out dirty stifled degree to be reminded.
2. the method for claim 1 is it is characterised in that at least one wind speed ratio described includes the first wind speed ratio；
When described current wind speed ratio decays to a certain wind speed ratio at least one wind speed ratio described, then carry out and this certain wind
The corresponding dirty stifled degree of speed ratio value is reminded and is included：
In presetting database obtain with when the corresponding first wind speed ratio of front windshield；
When described current wind speed ratio decays to described first wind speed ratio, then remind user's cleaning or change drainage screen.
3. method as claimed in claim 2 is it is characterised in that described prompting user cleaning or replacing drainage screen include：
Control buzzer call；And/or
Default display lamp flicker on control operation panel.
4. method as claimed in claim 1 or 2 is it is characterised in that at least one wind speed ratio described includes the second wind speed ratio
Value；When described current wind speed ratio decays to a certain wind speed ratio at least one wind speed ratio described, then carry out with this certain
The corresponding dirty stifled degree of one wind speed ratio is reminded and is included：
In presetting database obtain with when the corresponding second wind speed ratio of front windshield；
When described current wind speed ratio decays to described second wind speed ratio, then compulsive requirement cleaning or replacing drainage screen.
5. method as claimed in claim 4 is it is characterised in that the cleaning of described compulsive requirement or replacing drainage screen include：
Forbid starting shooting；And/or
Forbid starting shooting and by display lamp flicker default on control operation panel.
6. method as claimed in claim 4 is it is characterised in that the building process of described presetting database includes：
Obtain each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio and with least one wind speed
The one-to-one alerting pattern of ratio；
By corresponding with each windscreen for each windscreen described standard wind speed, at least one wind speed ratio and with least one wind
The one-to-one alerting pattern of speed ratio value stores in the lump to presetting database, wherein each windscreen mark corresponding with each windscreen
Quasi- wind speed corresponds storage, and at least one wind speed ratio corresponds storage with least one alerting pattern.
7. a kind of automatic-decision device of drainage screen service life is it is characterised in that be applied to the automatic of drainage screen service life
Judgement system, described system includes at least one air velocity transducer being arranged at air-conditioning duct, passes with least one wind speed described
The processor that sensor is connected, described device includes：
Acquiring unit, for obtain air-conditioning when front windshield and described when at least one air velocity transducer described under front windshield
Collection at least one wind speed, using the meansigma methodss of at least one wind speed described as with described when the corresponding current wind of front windshield
Speed；
Query unit, for obtain in presetting database with when the corresponding standard wind speed of front windshield and at least one wind speed ratio
Value, at least one wind speed ratio described is used for representing the different dirty stifled degree of drainage screen, prestores in described presetting database
There are standard wind speed corresponding with each windscreen and at least one wind speed ratio corresponding with each windscreen；
Reminding unit, for using the ratio of described current wind speed and described standard wind speed as current wind speed ratio；Work as when described
When front wind speed ratio decays to a certain wind speed ratio at least one wind speed ratio described, then press corresponding with this certain wind speed ratio
Alerting pattern carries out dirty stifled degree to be reminded.
8. device as claimed in claim 7 is it is characterised in that also include：
Construction unit, for obtain each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio and with
At least one one-to-one alerting pattern of wind speed ratio；By corresponding with each windscreen for each windscreen described standard wind speed, extremely
Lack a wind speed ratio and store in the lump to presetting database with least one one-to-one alerting pattern of wind speed ratio,
Wherein each windscreen standard wind speed corresponding with each windscreen corresponds storage, and at least one wind speed ratio is carried with least one
Awake mode corresponds storage.
9. a kind of automatic decision system of drainage screen service life is it is characterised in that include：
It is arranged at least one air velocity transducer of air-conditioning duct；
The processor being connected with least one air velocity transducer described；
Described processor is used for executing the process of automatic decision drainage screen service life；
The process of execution automatic decision drainage screen service life includes：Obtain air-conditioning works as front windshield when front windshield and described
At least one wind speed of lower described at least one air velocity transducer collection, using the meansigma methodss of at least one wind speed described as with institute
State when the corresponding current wind speed of front windshield；In presetting database obtain with when the corresponding standard wind speed of front windshield and at least
Individual wind speed ratio, at least one wind speed ratio described is used for representing the different dirty stifled degree of drainage screen, in described presetting database
It is previously stored with standard wind speed corresponding with each windscreen and at least one wind speed ratio corresponding with each windscreen；Will be described
The ratio of current wind speed and described standard wind speed is as current wind speed ratio；Described in decaying to when described current wind speed ratio at least
In one wind speed ratio during a certain wind speed ratio, then carry out dirty stifled degree by alerting pattern corresponding with this certain wind speed ratio and carry
Wake up.
10. system as claimed in claim 9 is it is characterised in that the process of described execution automatic decision drainage screen service life
Also include：
Obtain each windscreen standard wind speed corresponding with each windscreen, at least one wind speed ratio and with least one wind speed
The one-to-one alerting pattern of ratio；By each windscreen described, standard wind speed corresponding with each windscreen, at least one wind speed ratio
Value and storing in the lump to presetting database with least one one-to-one alerting pattern of wind speed ratio, wherein each windscreen
Standard wind speed corresponding with each windscreen corresponds storage, a pair of at least one wind speed ratio and at least one alerting pattern 1
Should store.
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| CN201410682681.4A CN104390322B (en) | 2014-11-24 | 2014-11-24 | Automatic judgment method, device and system for service life of filter screen |
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|---|---|---|---|
| CN201410682681.4A CN104390322B (en) | 2014-11-24 | 2014-11-24 | Automatic judgment method, device and system for service life of filter screen |
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| Publication Number | Publication Date |
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| CN104390322B true CN104390322B (en) | 2017-03-01 |
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| CN201410682681.4A Active CN104390322B (en) | 2014-11-24 | 2014-11-24 | Automatic judgment method, device and system for service life of filter screen |
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| CN115111765A (en) * | 2022-06-07 | 2022-09-27 | 青岛海尔空调器有限总公司 | Air conditioner filter screen blockage reminding method and device, air conditioner and storage medium |
| CN115121072B (en) * | 2022-08-31 | 2023-09-29 | 安徽省青阳县五溪矿业有限责任公司 | Method and system for determining replacement of filter grids of mining dust remover |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006105439A (en) * | 2004-10-01 | 2006-04-20 | Matsushita Electric Ind Co Ltd | Dust suction device control method for air-conditioner |
| CN101128704A (en) * | 2005-10-06 | 2008-02-20 | 松下电器产业株式会社 | Air conditioner |
| CN201246819Y (en) * | 2008-07-25 | 2009-05-27 | 青岛海信日立空调***有限公司 | Indoor unit of air conditioner capable of real time regulating speed |
| KR20090084478A (en) * | 2008-02-01 | 2009-08-05 | 엘지전자 주식회사 | Air-conditioner and the control method |
| CN101939597A (en) * | 2008-01-25 | 2011-01-05 | 大金工业株式会社 | Indoor unit of air conditioning apparatus |
| CN101995055A (en) * | 2009-08-18 | 2011-03-30 | 松下电器产业株式会社 | Air conditioner capable of automatically removing dust |
| JP2011112271A (en) * | 2009-11-26 | 2011-06-09 | Kubota Corp | Wind speed sensor, variable air quantity unit and air conditioning system |
| CN203628943U (en) * | 2013-11-29 | 2014-06-04 | 东风设计研究院有限公司 | Fresh-air conditioner control system for sedan |
| CN203928185U (en) * | 2014-06-30 | 2014-11-05 | 河南科技大学 | A kind of air purification type air-conditioner |
-
2014
- 2014-11-24 CN CN201410682681.4A patent/CN104390322B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006105439A (en) * | 2004-10-01 | 2006-04-20 | Matsushita Electric Ind Co Ltd | Dust suction device control method for air-conditioner |
| CN101128704A (en) * | 2005-10-06 | 2008-02-20 | 松下电器产业株式会社 | Air conditioner |
| CN101939597A (en) * | 2008-01-25 | 2011-01-05 | 大金工业株式会社 | Indoor unit of air conditioning apparatus |
| KR20090084478A (en) * | 2008-02-01 | 2009-08-05 | 엘지전자 주식회사 | Air-conditioner and the control method |
| CN201246819Y (en) * | 2008-07-25 | 2009-05-27 | 青岛海信日立空调***有限公司 | Indoor unit of air conditioner capable of real time regulating speed |
| CN101995055A (en) * | 2009-08-18 | 2011-03-30 | 松下电器产业株式会社 | Air conditioner capable of automatically removing dust |
| JP2011112271A (en) * | 2009-11-26 | 2011-06-09 | Kubota Corp | Wind speed sensor, variable air quantity unit and air conditioning system |
| CN203628943U (en) * | 2013-11-29 | 2014-06-04 | 东风设计研究院有限公司 | Fresh-air conditioner control system for sedan |
| CN203928185U (en) * | 2014-06-30 | 2014-11-05 | 河南科技大学 | A kind of air purification type air-conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282427A (en) * | 2018-08-18 | 2019-01-29 | 北京米微环保科技有限公司 | A kind of detection method and device in strainer service life |
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