CN109959117A - A kind of dirty stifled detection method of air-conditioning internal machine, device, air conditioner and storage medium - Google Patents
A kind of dirty stifled detection method of air-conditioning internal machine, device, air conditioner and storage medium Download PDFInfo
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- CN109959117A CN109959117A CN201910224028.6A CN201910224028A CN109959117A CN 109959117 A CN109959117 A CN 109959117A CN 201910224028 A CN201910224028 A CN 201910224028A CN 109959117 A CN109959117 A CN 109959117A
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- wind pressure
- air
- heat exchanger
- pressure difference
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The present invention relates to air-conditioning technical fields, more particularly to a kind of dirty stifled detection method of air-conditioning internal machine, device, air conditioner and storage medium, wherein this method includes obtaining air-conditioning internal machine rotation speed of fan, wind pressure value, heat exchanger entrance side wind pressure value and heat exchanger exit side wind pressure value on the outside of air-conditioning internal machine air inlet；Calculate the rotation speed of fan corresponding real-time wind pressure difference A and real-time wind pressure difference B；Preset rotation speed of fan-leeway standard value is compared, if wind pressure difference A is greater than standard wind pressure difference A ' in real time, exports the first prompt information, if wind pressure difference B is greater than standard wind pressure difference B ' in real time, exports the second prompt information；If filter screen dirtying, which blocks up grade, reaches setting value, the first information warning is exported, if the dirty stifled grade of heat exchanger reaches setting value, exports the second information warning.The technical issues of present invention solves when stifled condition evaluation dirty to air-conditioning internal machine in the prior art that selected position is single, and judgment method is easy to appear erroneous judgement.
Description
Technical field
The present invention relates to air-conditioning technical fields, and in particular to a kind of dirty stifled detection method of air-conditioning internal machine, device, air conditioner and
Storage medium.
Background technique
The method of existing stifled detection dirty for air-conditioning internal machine is mostly just for the strainer position of air-conditioning internal machine, and the skill used
The case where art project plan comparison is single, is easy to appear erroneous judgement.In fact, relative to setting, machine air inlet strainer has in the air conditioner
The closeness of limit, the fin in air-conditioning heat exchanger are more intensive, it is easier to which dust stratification, too high closeness will seriously affect air conditioner
Intake, noise and heat exchange efficiency, therefore the dirty stifled situation of indoor set heat exchanger is judged also to be very important.
For example, in the prior art, the patent application document of CN201711397942.8 discloses a kind of filter screen situation
Reminding method and device.This method comprises: obtaining the revolving speed of inner blower, and obtain the practical wind pressure of air intake passage；Wind in obtaining
The corresponding ideal wind pressure of the revolving speed of machine；If the practical wind pressure of air intake passage is lower than ideal wind pressure, prompt information is exported, wherein
Prompt information is used to prompt the dirty stifled situation of user filtering net.By the way that present application addresses users in the related technology to slap in real time
Hold the problem of blocking up dirty situation of filter screen.The technical solution is lower than ideal wind pressure value only by the practical wind pressure value of air intake passage
Judge the dirty stifled situation of filter screen, has ignored in heat exchanger but practical air-conditioning work, influenced by air-conditioning work place, such as
High aititude, the area of low latitude air tightness also will appear the lower situation of wind pressure in good situation of strainer condition itself, therefore can go out
Now judge by accident.
The dirty stifled situation in the single position of air-conditioning internal machine is assessed for existing in the prior art above, and judgment method
The technical issues of being easy erroneous judgement, need to propose it is a kind of assessed for the dirty stifled situation in the multiple positions of air-conditioning internal machine, and assess compared with
For accurate detection method.
Summary of the invention
The purpose of the present invention is to provide a kind of dirty stifled detection method of air-conditioning internal machine, device, air conditioner and storage mediums, use
Selected position is single when solving stifled condition evaluation dirty to air-conditioning internal machine in the prior art, and judgment method is easy to appear erroneous judgement
Technical problem.
To achieve the above object, the present invention provides a kind of dirty stifled detection method of air-conditioning internal machine, and the method includes walking as follows
It is rapid:
S1: air-conditioning internal machine rotation speed of fan is obtained, and obtains wind pressure value on the outside of air-conditioning internal machine air inlet, heat exchanger entrance crosswind
Pressure value and heat exchanger exit side wind pressure value；
S2: the rotation speed of fan corresponding real-time wind pressure difference A and real-time wind pressure difference B are calculated, wherein real-time leeway
Wind pressure value-heat exchanger entrance side wind pressure value on the outside of value A=air-conditioning internal machine air inlet, real-time wind pressure difference B=heat exchanger entrance side
Wind pressure value-heat exchanger exit side wind pressure value；
S3: comparing preset rotation speed of fan-leeway standard value, if wind pressure difference A is greater than corresponding rotation speed of fan in real time
Under standard wind pressure difference A ', export the first prompt information, whether dirty the first prompt information is stifled for prompting and filtering net, such as fruit
When wind pressure difference B be greater than the standard wind pressure difference B ' under corresponding rotation speed of fan, export the second prompt information, the second prompt information is used
It is whether dirty stifled in prompt heat exchanger.
Further, wind pressure value on the outside of the air-conditioning internal machine air inlet in the step S1, heat exchanger entrance side wind pressure value and
Heat exchanger exit side wind pressure value is obtained in real time by the wind pressure measuring meter that corresponding position is arranged in.
Further, in the step S3 preset rotation speed of fan-leeway standard value by air-conditioning factory before set in advance
It sets or by being configured during air-conditioning installation and debugging.
Further, the step S3 further includes calculating that filter screen dirtying under corresponding rotation speed of fan blocks up grade and heat exchanger is dirty
Stifled grade, the filter screen dirtying block up grade by corresponding to the standard wind pressure difference A ' under rotation speed of fan and the real-time wind pressure in step S2
The percentage of difference A indicates that the dirty stifled grade of heat exchanger is by corresponding to the standard wind pressure difference B ' under rotation speed of fan and step S2
In the percentage of real-time wind pressure difference B indicate, if filter screen dirtying, which blocks up grade, reaches corresponding setting value, the first warning of output
Information, the first information warning is for reminding user filtering net to need to clean, if the dirty stifled grade of heat exchanger reaches corresponding setting
Value exports the second information warning, and the second information warning is for reminding user's heat exchanger to need to clean.
Further, the filter screen dirtying in the step S3 block up grade setting value and the dirty stifled grade setting value of heat exchanger by
It is default or by user's sets itself when in use before air-conditioning factory.
To achieve the above object, the present invention also provides a kind of air-conditioning internal machine filth blockage detection device, described device includes:
First acquisition unit, for obtaining air-conditioning internal machine rotation speed of fan, and obtain wind pressure value on the outside of air-conditioning internal machine air inlet,
Heat exchanger entrance side wind pressure value and heat exchanger exit side wind pressure value；
First computing unit, for calculating the rotation speed of fan corresponding real-time wind pressure difference A and real-time wind pressure difference B；
Second acquisition unit, for obtaining standard wind pressure difference A ' and standard wind pressure difference B ' under corresponding rotation speed of fan；
First output unit, if being greater than the standard wind pressure difference A ' under corresponding rotation speed of fan for real-time wind pressure difference A,
The first display module is exported, the first display module is for showing that the first prompt information, the first prompt information are used for prompting and filtering net
It is whether dirty stifled, if wind pressure difference B is greater than the standard wind pressure difference B ' under corresponding rotation speed of fan, output the second display mould in real time
Block, the second display module is for showing the second prompt information, and whether the second prompt information is for prompting heat exchanger dirty stifled；
Second computing unit blocks up grade and the dirty stifled grade of heat exchanger for calculating the filter screen dirtying under corresponding rotation speed of fan；
Third acquiring unit, for obtaining, the filter screen dirtying under corresponding rotation speed of fan blocks up grade setting value and heat exchanger is dirty stifled
Grade setting value；
Second output unit exports third display module if blocking up grade for filter screen dirtying reaches corresponding setting value,
For the first information warning of display, the first information warning is used to that user filtering net to be reminded to need to clean third display module, if
The dirty stifled grade of heat exchanger reaches corresponding setting value, exports the 4th display module, the 4th display module is for showing the second warning
Information, the second information warning is for reminding user's heat exchanger to need to clean.
Further, the first acquisition unit includes: the first acquisition module, for obtaining air-conditioning internal machine rotation speed of fan；
Second obtains module, for obtaining wind pressure value on the outside of air-conditioning internal machine air inlet；Third obtains module, for obtaining heat exchanger entrance
Side wind pressure value；4th obtains module, for obtaining heat exchanger exit side wind pressure value.
First computing unit includes: the first computing module, for calculating the corresponding real-time wind pressure of the rotation speed of fan
Difference A, wind pressure value-heat exchanger entrance side wind pressure value on the outside of the real-time wind pressure difference A=air-conditioning internal machine air inlet；Second calculates
Module, for calculating the corresponding real-time wind pressure difference B of the rotation speed of fan, the real-time wind pressure difference B=heat exchanger entrance side
Wind pressure value-heat exchanger exit side wind pressure value；
The second acquisition unit includes: the 5th acquisition module, for obtaining by being preset before air-conditioning dispatches from the factory or
By the standard wind pressure difference A ' under the correspondence rotation speed of fan that is arranged during air-conditioning installation and debugging；6th obtains module, for obtaining
Take by preset before air-conditioning dispatches from the factory or the correspondence rotation speed of fan by being arranged during air-conditioning installation and debugging under standard wind
Pressure difference B '.
Further, second computing unit includes: third computing module, blocks up grade for calculating filter screen dirtying,
The filter screen dirtying blocks up grade by corresponding to the percentage table of the standard wind pressure difference A ' under rotation speed of fan Yu real-time wind pressure difference A
Show；4th computing module, for calculating the dirty stifled grade of heat exchanger, the dirty stifled grade of heat exchanger is by corresponding to the mark under rotation speed of fan
The percentage of quasi- wind pressure difference B ' and real-time wind pressure difference B indicates.
The third acquiring unit includes: the 7th acquisition module, default or by user before air-conditioning factory for obtaining
The filter screen dirtying under the correspondence rotation speed of fan of sets itself blocks up grade when in use；8th obtains module, for obtaining in air-conditioning
It is preset before factory or by the dirty stifled grade of heat exchanger under user when in use the correspondence rotation speed of fan of sets itself.
To achieve the above object, the present invention also provides a kind of air conditioner, the air conditioner includes wind pressure measuring meter, storage
Device, processor and it is stored in the program that can be run on the memory and on the processor, the wind pressure measuring meter point
Not She Yu on the outside of air-conditioning internal machine air inlet, heat exchanger entrance side and heat exchanger exit side, described program execute above-mentioned air-conditioning internal machine
The correlation step of dirty stifled detection method.
To achieve the above object, the present invention also provides a kind of storage medium, the storage medium includes the program of storage,
In, described program executes the correlation step of the dirty stifled detection method of above-mentioned air-conditioning internal machine.
Compared with the prior art, the present invention is by carrying out dirty stifled grade to two positions of air-conditioning internal machine filter screen and heat exchanger
Detection, effectively prevent it is existing in the prior art the dirty stifled situation in the single position of air-conditioning internal machine is assessed, and judgment method
The problem of being easy to appear erroneous judgement, the specific steps are that on the outside of the air inlet of air-conditioning internal machine, heat exchanger entrance side and heat exchanger go out
Wind pressure measuring meter is arranged in mouth side, for obtaining the wind pressure value of three positions under the identical rotation speed of fan of air-conditioning internal machine, further
Ground, by wind pressure value on the outside of air-conditioning internal machine air inlet subtract heat exchanger entrance crosswind pressure be worth to obtain it is real-time after filter screen acts on
Wind pressure difference A compares real-time wind pressure difference A and preset standard wind pressure difference A ', obtains filter screen dirtying and blocks up grade, by changing
Hot device entrance side wind pressure value subtracts heat exchanger exit crosswind pressure and is worth to obtain real-time wind pressure difference B after heat exchanger acts on, will be real
When wind pressure difference A and preset standard wind pressure difference B ' compare, the dirty stifled grade of heat exchanger is obtained, when filter screen dirtying blocks up grade or changes
When the hot dirty stifled grade of device reaches setting value, corresponding information warning is exported, for reminding user to clean filter screen or heat exchange in time
Device, the implementation of this step effectively ensure that the high degree of accuracy of filter screen and the dirty stifled grade detection of heat exchanger, overcomes extraneous ring
Caused erroneous judgement under border such as High aititude low pressure condition.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the dirty stifled detection method of air-conditioning internal machine in the present invention；
Fig. 2 is a kind of flow chart of air-conditioning internal machine filth blockage detection device in the present invention；
Fig. 3 is the schematic layout pattern of the dirty stifled detection of air-conditioning internal machine in the present invention.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, should all send out and belong to the scope of protection of the invention.
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, be
The intrinsic other step or units of system, product or equipment.
Embodiment one
According to embodiments of the present invention, a kind of embodiment of dirty stifled detection method of air-conditioning internal machine is provided, it should be noted that
Step shown in the flowchart of the accompanying drawings can execute in a computer system such as a set of computer executable instructions, and
It, in certain situations, can be to be different from sequence execution institute herein and although logical order is shown in flow charts
The step of showing or describing.
Fig. 1 gives a kind of flow chart of the dirty stifled detection method of air-conditioning internal machine in the present invention, as shown in Figure 1, this method packet
Include following steps:
S1: air-conditioning internal machine rotation speed of fan is obtained, and obtains wind pressure value on the outside of air-conditioning internal machine air inlet, heat exchanger entrance crosswind
Pressure value and heat exchanger exit side wind pressure value.
Specifically, obtain rotation speed of fan when air-conditioning internal machine work, by the outside of air-conditioning internal machine air inlet, heat exchanger enters
Mouth side and heat exchanger exit side are arranged one-to-one wind pressure measuring meter to obtain three positions under the rotation speed of fan in real time
Wind pressure value, it is preferred that corresponding wind pressure measuring meter is arranged in the middle part of three positions, it is most representative to obtain
Wind pressure value.
S2: the rotation speed of fan corresponding real-time wind pressure difference A and real-time wind pressure difference B are calculated, wherein real-time leeway
Wind pressure value-heat exchanger entrance side wind pressure value on the outside of value A=air-conditioning internal machine air inlet, real-time wind pressure difference B=heat exchanger entrance side
Wind pressure value-heat exchanger exit side wind pressure value.
Specifically, it by subtracting heat exchanger entrance side wind pressure value with wind pressure value on the outside of air-conditioning internal machine air inlet, can effectively count
The variation of the wind pressure after filter screen is calculated, to judge the dirty stifled situation of filter screen, meanwhile, by with heat exchanger entrance crosswind
Pressure value subtracts heat exchanger exit side wind pressure value, the variation of the wind pressure after heat exchanger can be effectively calculated, to judge heat exchanger
Dirty stifled situation.
S3: comparing preset rotation speed of fan-leeway standard value, if wind pressure difference A is greater than corresponding rotation speed of fan in real time
Under standard wind pressure difference A ', export the first prompt information, whether dirty the first prompt information is stifled for prompting and filtering net, such as fruit
When wind pressure difference B be greater than the standard wind pressure difference B ' under corresponding rotation speed of fan, export the second prompt information, the second prompt information is used
It is whether dirty stifled in prompt heat exchanger.
Specifically, the preset rotation speed of fan-leeway standard value, be by being preset before air-conditioning dispatches from the factory or
By what is be configured during air-conditioning installation and debugging, for being preset before air-conditioning dispatches from the factory, specific implementation step are as follows: will be empty
Machine rotation speed of fan is adjusted to designated value in adjusting, and is recorded standard wind pressure value on the outside of the air-conditioning internal machine air inlet under the rotation speed of fan, is changed
Hot device entrance side standard wind pressure value and heat exchanger exit side standard wind pressure value, pass through standard wind pressure value on the outside of air-conditioning internal machine air inlet
Heat exchanger entrance side standard wind pressure value is subtracted, the standard wind pressure difference A ' under corresponding rotation speed of fan is obtained, passes through heat exchanger entrance
Side standard wind pressure value subtracts heat exchanger exit side standard wind pressure value, obtains the standard wind pressure difference B ' under corresponding rotation speed of fan；Change
Become rotation speed of fan, and repeats the above steps, the corresponding standard wind pressure difference A ' of the rotation speed of fan after being changed and standard wind pressure
Difference B '；Standard wind pressure difference A ' corresponding under different rotation speed of fan and standard wind pressure difference B ' are finally deposited into air-conditioning one by one
In control system, consequently facilitating program is called when running.
Further, the step S3 further includes calculating that filter screen dirtying under corresponding rotation speed of fan blocks up grade and heat exchanger is dirty
Stifled grade, the filter screen dirtying block up grade by correspond to the standard wind pressure difference A ' under rotation speed of fan with when wind pressure difference A hundred
Divide than indicating, the dirty stifled grade of the heat exchanger is by corresponding to the real-time wind pressure difference B's of standard wind pressure difference B ' under rotation speed of fan
Percentage indicates that the dirty stifled grade of filter screen and heat exchanger includes 0~100% Any Digit, and ratio is smaller, dirty plugging etc.
Grade is higher, and the dirty stifled situation of the filter screen or heat exchanger is more serious.If filter screen dirtying, which blocks up grade, reaches corresponding setting value,
The first information warning is exported, the first information warning is for reminding user filtering net to need to clean, if the dirty stifled grade of heat exchanger reaches
To corresponding setting value, the second information warning is exported, the second information warning is for reminding user's heat exchanger to need to clean.
Specifically, filter screen dirtying blocks up grade setting value and the dirty stifled grade setting value of heat exchanger can be before air-conditioning dispatches from the factory in advance
Setting is also possible to user and is set according to the practical place that air-conditioning uses from row.Reach setting value when filter screen dirtying blocks up grade
When, it exporting for reminding user filtering net to need to clean the first information warning, the first information warning is different from the first prompt information,
It is more eye-catching and noticeable, can be aided with alarm sound in practice or feux rouges shows and reminded, likewise, when heat exchanger is dirty
Stifled grade reaches setting value, exports the second information warning for reminding user's heat exchanger to need to clean, and the second information warning is adopted
It is distinguished in a like fashion with the second prompt information.
Embodiment two
According to embodiments of the present invention, a kind of embodiment of air-conditioning internal machine filth blockage detection device is additionally provided.It needs to illustrate
It is the dirty stifled detection method of the air-conditioning internal machine that the air-conditioning internal machine filth blockage detection device can be used to implement the embodiment of the present invention, this hair
The dirty stifled detection method of the air-conditioning internal machine of bright embodiment can also be executed by the air-conditioning internal machine filth blockage detection device.
Fig. 2 gives a kind of flow chart of air-conditioning internal machine filth blockage detection device, the device in the present invention
First acquisition unit 10 for obtaining air-conditioning internal machine rotation speed of fan, and obtains wind pressure on the outside of air-conditioning internal machine air inlet
Value, heat exchanger entrance side wind pressure value and heat exchanger exit side wind pressure value；
First computing unit 20, for calculating the corresponding real-time wind pressure difference A of the rotation speed of fan and real-time wind pressure difference
B；
Second acquisition unit 30, for obtaining standard wind pressure difference A ' and standard wind pressure difference under corresponding rotation speed of fan
B '；
First output unit 50, if being greater than the standard wind pressure difference under corresponding rotation speed of fan for real-time wind pressure difference A
A ' exports the first display module, and the first display module is for showing that the first prompt information, the first prompt information are used for prompting and filtering
Whether net is dirty stifled, if wind pressure difference B is greater than the standard wind pressure difference B ' under corresponding rotation speed of fan, output the second display mould in real time
Block, the second display module is for showing the second prompt information, and whether the second prompt information is for prompting heat exchanger dirty stifled；
Second computing unit 40, for calculating, the filter screen dirtying under corresponding rotation speed of fan blocks up grade and heat exchanger is dirty stifled etc.
Grade；
Third acquiring unit 60, for obtaining, the filter screen dirtying under corresponding rotation speed of fan blocks up grade setting value and heat exchanger is dirty
Stifled grade setting value；
Second output unit 70, if blocking up grade for filter screen dirtying reaches corresponding setting value, output third shows mould
Block, third display module are excellent for reminding user filtering net to need to clean for showing the first information warning, the first information warning
Choosing, the third display module can be equipped with the sound prompting user of alarm, and red font can be selected in first information warning
It attracts the user's attention, if the dirty stifled grade of heat exchanger reaches corresponding setting value, exports the 4th display module, the 4th display module
For showing the second information warning, the second information warning is for reminding user's heat exchanger to need to clean, it is preferred that the described 4th is aobvious
The sound prompting user of alarm can be equipped with by showing module equally, and second information warning equally can be selected red font and attract user
Pay attention to.
Further, the first acquisition unit 10 includes: the first acquisition module, is currently run for obtaining air-conditioning internal machine
Rotation speed of fan under state；Second obtains module, for obtaining outside the air-conditioning internal machine air inlet that corresponding wind pressure measuring meter measures
Side wind pressure value；Third obtains module, the heat exchanger entrance side wind pressure value measured for obtaining corresponding wind pressure measuring meter；4th obtains
Modulus block, the heat exchanger exit side wind pressure value measured for obtaining corresponding wind pressure measuring meter.
First computing unit 20 includes: the first computing module, for calculating the corresponding real-time wind of the rotation speed of fan
Pressure difference A, wherein wind pressure value-heat exchanger entrance side wind pressure value on the outside of the real-time wind pressure difference A=air-conditioning internal machine air inlet；
Second computing module, for calculating the corresponding real-time wind pressure difference B of the rotation speed of fan, wherein the real-time wind pressure difference B=
Heat exchanger entrance side wind pressure value-heat exchanger exit side wind pressure value；
The second acquisition unit 30 includes: the 5th acquisition module, for obtaining by being preset before air-conditioning dispatches from the factory or
Person is by the standard wind pressure difference A ' under the correspondence rotation speed of fan that is arranged during air-conditioning installation and debugging；6th obtains module, is used for
Obtain by preset before air-conditioning dispatches from the factory or the correspondence rotation speed of fan by being arranged during air-conditioning installation and debugging under standard
Wind pressure difference B '.
Further, second computing unit 40 includes: third computing module, stifled etc. for calculating filter screen dirtying
Grade, the filter screen dirtying block up grade by corresponding to the percentage of the standard wind pressure difference A ' under rotation speed of fan Yu real-time wind pressure difference A
It indicates；4th computing module, for calculating the dirty stifled grade of heat exchanger, the dirty stifled grade of heat exchanger is by corresponding under rotation speed of fan
The percentage of standard wind pressure difference B ' and real-time wind pressure difference B indicates.
The third acquiring unit 60 includes: the 7th acquisition module, for obtain it is default before air-conditioning factory or by with
The filter screen dirtying under the correspondence rotation speed of fan of sets itself blocks up grade when in use at family；8th obtains module, for obtaining in sky
It is preset before recalling factory or by the dirty stifled grade of heat exchanger under user when in use the correspondence rotation speed of fan of sets itself.
The schematic layout pattern of the dirty stifled detection of air-conditioning internal machine in the present invention provided with reference to Fig. 3, wherein label 1 is in air-conditioning
Machine, 2 be air-conditioning internal machine blower, 3 be filter screen, 4 be heat exchanger, 5 be wind pressure measuring meter, 6 be air inlet, 7 be air outlet, institute
State the practical flow direction of air-flow inside air-conditioning internal machine 1 are as follows: when air-conditioning internal machine 1 operates normally, air-flow enters sky by air inlet 6
Machine 1 in adjusting, into air-conditioning internal machine 1 after air-flow first pass around filter screen 3 and be transferred in air intake passage, then entering by heat exchanger 4
Mouth side enters in heat exchanger 4, then flow in air exhaust passage via the outlet side of heat exchanger 4, flows finally by air outlet 7
Out, wind pressure measuring meter 5 is correspondingly arranged at the outlet side of 6 outside of air inlet, the entrance side of heat exchanger 4 and heat exchanger 4.
First acquisition unit 10 in the air-conditioning internal machine filth blockage detection device successively obtains the blower of air-conditioning internal machine blower 2
Revolving speed, 4 outlet side wind pressure value of 6 outside wind pressure value of air-conditioning internal machine air inlet, 4 entrance side wind pressure value of heat exchanger and heat exchanger,；First
Computing unit 20 is calculated based on the value that first acquisition unit 10 obtains, and obtains the real-time wind pressure difference under corresponding rotation speed of fan
A and real-time wind pressure difference B；First computing unit 20 is calculated second computing unit 40 real-time wind pressure difference A and in real time
The standard wind pressure difference A ' and standard wind pressure difference B ' that wind pressure difference B and second acquisition unit 30 obtain are obtained after carrying out corresponding operation
Grade and the dirty stifled grade of heat exchanger are blocked up to filter screen dirtying；First output unit 50 be used for when real-time wind pressure difference A be greater than pair
When answering the standard wind pressure difference A ' under rotation speed of fan, the first display module is exported, the first display module is for showing the first prompt
Information, whether the first prompt information is dirty stifled for prompting and filtering net, when real-time wind pressure difference B is greater than the mark under corresponding rotation speed of fan
When quasi- wind pressure difference B ', the second display module is exported, the second display module is for showing the second prompt information, the second prompt information
For prompting heat exchanger whether dirty stifled；Filter screen dirtying that second output unit 70 shows the first output unit 50 blocks up grade and the
The filter screen dirtying that three acquiring units 60 obtain blocks up the comparison of grade setting value, if value is identical, exports third display module, third is aobvious
Show module for show the first information warning, the first information warning be used for remind user filtering net 3 to need to clean, at the same time,
Second output unit 70 is by the dirty stifled grade of heat exchanger that the first output unit 50 is shown and heat exchange that third acquiring unit 60 obtains
The dirty stifled grade setting value comparison of device exports the 4th display module, the 4th display module is for showing the second warning if value is identical
Information, the second information warning is for reminding user's heat exchanger 4 to need to clean.
Embodiment three
According to embodiments of the present invention, a kind of embodiment of air conditioner is additionally provided, the air conditioner includes wind pressure measurement dress
It sets, memory, processor and be stored in the program that can be run on the memory and on the processor, the wind pressure measurement
Device is respectively arranged on air-conditioning internal machine air inlet outside, heat exchanger entrance side and heat exchanger exit side, and the wind pressure measuring meter
Quantity be at least three, it is preferred that for ensure wind pressure measuring meter obtain wind pressure value it is more accurate, can air-conditioning internal machine into
Subsection setup wind pressure measuring meter is distinguished in air port outside, heat exchanger entrance side and heat exchanger exit side, by taking its average value to obtain
The wind pressure value of each position out finally show that filter screen dirtying blocks up grade and the dirty stifled grade of heat exchanger further can also be by independent
It calculates on the outside of air-conditioning internal machine air inlet, the dirty stifled grade of heat exchanger entrance side and each section of heat exchanger exit side, accurately prompts
User focuses on to clear up the concrete position of filter screen or heat exchanger, and it is dirty that described program executes air-conditioning internal machine described in above-described embodiment
Stifled detection method.
Example IV
According to embodiments of the present invention, a kind of embodiment of storage medium is additionally provided, the storage medium includes storage
Program, wherein described program executes the dirty stifled detection method of air-conditioning internal machine described in above-described embodiment.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
In the above embodiment of the invention, it all emphasizes particularly on different fields to the description of each embodiment, does not have in some embodiment
The part of detailed description, reference can be made to the related descriptions of other embodiments.In several embodiments provided herein, it should be appreciated that
It arrives, disclosed technology contents can be realized in other ways.Wherein, Installation practice described above is only to show
Meaning property, such as the division of the unit, it can be a kind of logical function partition, can there is other division side in actual implementation
Formula, such as multiple units or components can be combined or can be integrated into another system, or some features can be ignored, or not
It executes.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be to be connect by some
Mouthful, the indirect coupling or communication connection of unit or module can be electrical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can for personal computer, server or network equipment etc.) execute each embodiment the method for the present invention whole or
Part steps.And storage medium above-mentioned includes: that USB flash disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic or disk etc. be various to can store program code
Medium.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of dirty stifled detection method of air-conditioning internal machine, it is characterised in that: described method includes following steps:
S1: air-conditioning internal machine rotation speed of fan is obtained, and obtains wind pressure value on the outside of air-conditioning internal machine air inlet, heat exchanger entrance side wind pressure value
With heat exchanger exit side wind pressure value；
S2: the rotation speed of fan corresponding real-time wind pressure difference A and real-time wind pressure difference B are calculated, wherein real-time wind pressure difference A
Wind pressure value-heat exchanger entrance side wind pressure value on the outside of=air-conditioning internal machine air inlet, real-time wind pressure difference B=heat exchanger entrance crosswind pressure
Value-heat exchanger exit side wind pressure value；
S3: comparing preset rotation speed of fan-leeway standard value, if wind pressure difference A is greater than under corresponding rotation speed of fan in real time
Standard wind pressure difference A ' exports the first prompt information, and whether the first prompt information is dirty stifled for prompting and filtering net, if real-time wind
Pressure difference B is greater than the standard wind pressure difference B ' under corresponding rotation speed of fan, exports the second prompt information, the second prompt information is for mentioning
Show that whether dirty heat exchanger is stifled.
2. the dirty stifled detection method of a kind of air-conditioning internal machine according to claim 1, it is characterised in that: the sky in the step S1
Wind pressure value, heat exchanger entrance side wind pressure value and heat exchanger exit side wind pressure value are by setting in corresponding position on the outside of the interior machine air inlet of tune
The wind pressure measuring meter set obtains in real time.
3. the dirty stifled detection method of a kind of air-conditioning internal machine according to claim 1, it is characterised in that: preset in the step S3
Rotation speed of fan-leeway standard value by being preset before air-conditioning dispatches from the factory or by being set during air-conditioning installation and debugging
It sets.
4. the dirty stifled detection method of a kind of air-conditioning internal machine according to claim 1, it is characterised in that: the step S3 further includes
It calculates the filter screen dirtying under corresponding rotation speed of fan and blocks up grade and the dirty stifled grade of heat exchanger, the filter screen dirtying blocks up grade by corresponding to wind
The percentage of the real-time wind pressure difference A in standard wind pressure difference A ' and step S2 under machine revolving speed indicates that the heat exchanger is dirty stifled
Grade indicates by the percentage for corresponding to the real-time wind pressure difference B in the standard wind pressure difference B ' under rotation speed of fan and step S2, such as
Fruit filter screen dirtying blocks up grade and reaches corresponding setting value, exports the first information warning, the first information warning is for reminding user's mistake
Strainer needs to clean, if the dirty stifled grade of heat exchanger reaches corresponding setting value, exports the second information warning, the second information warning
For reminding user's heat exchanger to need to clean.
5. the dirty stifled detection method of a kind of air-conditioning internal machine according to claim 4, it is characterised in that: the mistake in the step S3
The dirty stifled grade setting value of strainer and the dirty stifled grade setting value of heat exchanger by it is default before air-conditioning factory or by user when in use
Sets itself.
6. a kind of air-conditioning internal machine filth blockage detection device, it is characterised in that: described device includes:
First acquisition unit for obtaining air-conditioning internal machine rotation speed of fan, and obtains wind pressure value on the outside of air-conditioning internal machine air inlet, heat exchange
Device entrance side wind pressure value and heat exchanger exit side wind pressure value；
First computing unit, for calculating the rotation speed of fan corresponding real-time wind pressure difference A and real-time wind pressure difference B；
Second acquisition unit, for obtaining standard wind pressure difference A ' and standard wind pressure difference B ' under corresponding rotation speed of fan；
First output unit, if being greater than the standard wind pressure difference A ' under corresponding rotation speed of fan, output for real-time wind pressure difference A
First display module, the first display module is for showing whether the first prompt information, the first prompt information are used for prompting and filtering net
It is dirty stifled, if wind pressure difference B is greater than the standard wind pressure difference B ' under corresponding rotation speed of fan in real time, the second display module is exported, the
Two display modules are for showing the second prompt information, and whether the second prompt information is for prompting heat exchanger dirty stifled；
Second computing unit blocks up grade and the dirty stifled grade of heat exchanger for calculating the filter screen dirtying under corresponding rotation speed of fan；
Third acquiring unit blocks up grade setting value and the dirty stifled grade of heat exchanger for obtaining the filter screen dirtying under corresponding rotation speed of fan
Setting value；
Second output unit exports third display module, third if blocking up grade for filter screen dirtying reaches corresponding setting value
Display module is for showing the first information warning, and the first information warning is for reminding user filtering net to need to clean, if heat exchange
The dirty stifled grade of device reaches corresponding setting value, exports the 4th display module, and the 4th display module is used to show the second information warning,
Second information warning is for reminding user's heat exchanger to need to clean.
7. a kind of air-conditioning internal machine filth blockage detection device according to claim 6, it is characterised in that:
The first acquisition unit includes: the first acquisition module, for obtaining air-conditioning internal machine rotation speed of fan；Second obtains module,
For obtaining wind pressure value on the outside of air-conditioning internal machine air inlet；Third obtains module, for obtaining heat exchanger entrance side wind pressure value；4th
Module is obtained, for obtaining heat exchanger exit side wind pressure value；
First computing unit includes: the first computing module, for calculating the corresponding real-time wind pressure difference of the rotation speed of fan
A, wind pressure value-heat exchanger entrance side wind pressure value on the outside of the real-time wind pressure difference A=air-conditioning internal machine air inlet；Second calculates mould
Block, for calculating the corresponding real-time wind pressure difference B of the rotation speed of fan, the real-time wind pressure difference B=heat exchanger entrance crosswind
Pressure value-heat exchanger exit side wind pressure value；
The second acquisition unit include: the 5th acquisition module, for obtain by preset before air-conditioning dispatches from the factory or by
Standard wind pressure difference A ' under the correspondence rotation speed of fan being arranged during air-conditioning installation and debugging；6th obtain module, for obtain by
Air-conditioning factory before preset or the correspondence rotation speed of fan by being arranged during air-conditioning installation and debugging under standard leeway
Value B '.
8. a kind of air-conditioning internal machine filth blockage detection device according to claim 6, it is characterised in that:
Second computing unit includes: third computing module, blocks up grade for calculating filter screen dirtying, and the filter screen dirtying is stifled etc.
Grade is indicated by the percentage of standard wind pressure difference A ' and real-time wind pressure difference A under corresponding rotation speed of fan；4th computing module is used
In calculate the dirty stifled grade of heat exchanger, the dirty stifled grade of heat exchanger by correspond to the standard wind pressure difference B ' under rotation speed of fan and in real time
The percentage of wind pressure difference B indicates.
The third acquiring unit includes: the 7th acquisition module, for obtaining default before air-conditioning factory or being made by user
Filter screen dirtying under the correspondence rotation speed of fan of used time sets itself blocks up grade；8th obtains module, dispatches from the factory for obtaining in air-conditioning
It is preceding to preset or by the dirty stifled grade of heat exchanger under user when in use the correspondence rotation speed of fan of sets itself.
9. a kind of air conditioner, it is characterised in that: the air conditioner includes wind pressure measuring meter, memory, processor and is stored in
On the memory and the program that can run on the processor, the wind pressure measuring meter are respectively arranged on air-conditioning internal machine air inlet
Mouthful outside, heat exchanger entrance side and heat exchanger exit side, described program perform claim require any one of 1 to 5 described in sky
The dirty stifled detection method of machine in adjusting.
10. a kind of storage medium, which is characterized in that the storage medium includes the program of storage, wherein described program right of execution
Benefit require any one of 1 to 5 described in the dirty stifled detection method of air-conditioning internal machine.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513828A (en) * | 2019-09-03 | 2019-11-29 | 珠海格力电器股份有限公司 | Clarifier strainer state testing method, device, control equipment and clarifier |
| CN111811108A (en) * | 2020-06-08 | 2020-10-23 | 珠海格力电器股份有限公司 | Heat exchanger filth blockage detection method and device |
| CN112429029A (en) * | 2020-10-23 | 2021-03-02 | 石家庄国祥运输设备有限公司 | Method for online diagnosing filth blockage of air filter of air conditioning system of railway vehicle |
| CN112856735A (en) * | 2021-03-31 | 2021-05-28 | 安徽江淮汽车集团股份有限公司 | Control method, device and system of air conditioning system and storage medium |
| CN113294889A (en) * | 2021-05-24 | 2021-08-24 | 青岛海尔空调电子有限公司 | Combined air conditioning system and control mode thereof |
| CN114216211A (en) * | 2021-12-16 | 2022-03-22 | 珠海格力电器股份有限公司 | Filter screen filth blockage detection assembly of fresh air conditioner, fresh air conditioner and control method of fresh air conditioner |
| CN114659159A (en) * | 2022-03-28 | 2022-06-24 | 青岛海尔空调器有限总公司 | Method for judging whether indoor unit of air conditioner is dirty or not and air conditioner |
| CN114712949A (en) * | 2022-06-07 | 2022-07-08 | 湖南天闻新华印务有限公司 | Automatic wind pressure balance monitoring control system for paper powder collection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368620A (en) * | 1992-09-01 | 1994-11-29 | Kansei Corporation | Device for cleaning surrounding air fed to passenger compartment of motor vehicle |
| CN203629427U (en) * | 2013-11-26 | 2014-06-04 | 北京中矿博能节能科技有限公司 | Ventilation air methane heat exchange device with automatic cleaning device |
| CN106247563A (en) * | 2016-08-31 | 2016-12-21 | 广东美的制冷设备有限公司 | The dirty stifled detection method of air-conditioning based on bilateral pressure reduction, system and air-conditioning |
| CN106322678A (en) * | 2016-08-31 | 2017-01-11 | 广东美的制冷设备有限公司 | Air conditioner heat exchanger filth blockage detection method and system and air conditioner |
| CN106500275A (en) * | 2016-11-22 | 2017-03-15 | 广东美的暖通设备有限公司 | The dust collection method and air-conditioner of the drainage screen of air-conditioner |
-
2019
- 2019-03-22 CN CN201910224028.6A patent/CN109959117A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368620A (en) * | 1992-09-01 | 1994-11-29 | Kansei Corporation | Device for cleaning surrounding air fed to passenger compartment of motor vehicle |
| CN203629427U (en) * | 2013-11-26 | 2014-06-04 | 北京中矿博能节能科技有限公司 | Ventilation air methane heat exchange device with automatic cleaning device |
| CN106247563A (en) * | 2016-08-31 | 2016-12-21 | 广东美的制冷设备有限公司 | The dirty stifled detection method of air-conditioning based on bilateral pressure reduction, system and air-conditioning |
| CN106322678A (en) * | 2016-08-31 | 2017-01-11 | 广东美的制冷设备有限公司 | Air conditioner heat exchanger filth blockage detection method and system and air conditioner |
| CN106500275A (en) * | 2016-11-22 | 2017-03-15 | 广东美的暖通设备有限公司 | The dust collection method and air-conditioner of the drainage screen of air-conditioner |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513828A (en) * | 2019-09-03 | 2019-11-29 | 珠海格力电器股份有限公司 | Clarifier strainer state testing method, device, control equipment and clarifier |
| CN110513828B (en) * | 2019-09-03 | 2020-12-15 | 珠海格力电器股份有限公司 | Purifier filter screen condition detection method and device, control equipment and purifier |
| CN111811108A (en) * | 2020-06-08 | 2020-10-23 | 珠海格力电器股份有限公司 | Heat exchanger filth blockage detection method and device |
| CN112429029A (en) * | 2020-10-23 | 2021-03-02 | 石家庄国祥运输设备有限公司 | Method for online diagnosing filth blockage of air filter of air conditioning system of railway vehicle |
| CN112856735A (en) * | 2021-03-31 | 2021-05-28 | 安徽江淮汽车集团股份有限公司 | Control method, device and system of air conditioning system and storage medium |
| CN113294889A (en) * | 2021-05-24 | 2021-08-24 | 青岛海尔空调电子有限公司 | Combined air conditioning system and control mode thereof |
| CN114216211A (en) * | 2021-12-16 | 2022-03-22 | 珠海格力电器股份有限公司 | Filter screen filth blockage detection assembly of fresh air conditioner, fresh air conditioner and control method of fresh air conditioner |
| CN114216211B (en) * | 2021-12-16 | 2022-09-23 | 珠海格力电器股份有限公司 | Filter screen filth blockage detection assembly of fresh air conditioner, fresh air conditioner and control method of fresh air conditioner |
| CN114659159A (en) * | 2022-03-28 | 2022-06-24 | 青岛海尔空调器有限总公司 | Method for judging whether indoor unit of air conditioner is dirty or not and air conditioner |
| CN114712949A (en) * | 2022-06-07 | 2022-07-08 | 湖南天闻新华印务有限公司 | Automatic wind pressure balance monitoring control system for paper powder collection |
| CN114712949B (en) * | 2022-06-07 | 2022-08-30 | 湖南天闻新华印务有限公司 | Automatic wind pressure balance monitoring control system for paper powder collection |
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