CN109469965A - A kind of cleaning method of air conditioner - Google Patents
A kind of cleaning method of air conditioner Download PDFInfo
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- CN109469965A CN109469965A CN201710805547.2A CN201710805547A CN109469965A CN 109469965 A CN109469965 A CN 109469965A CN 201710805547 A CN201710805547 A CN 201710805547A CN 109469965 A CN109469965 A CN 109469965A
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- air conditioner
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a kind of cleaning method of air conditioner, for the cleaning method the following steps are included: S1 condenses, air conditioner refrigeration cleans heat exchanger surface to form condensed water on heat exchanger surface；S2 frosting, air conditioner refrigeration is to form frost layer in heat exchanger surface；S3 heating, air conditioner heat-production are sterilized with defrost heat exchanging device surface clean；S4 ventilation, indoor unit runs ventilation mode, so as to heat exchanger rapid draing and cooling；The air conditioner includes control device, and the operation of above step respective rotation speed of fan and compressor operating frequency is preset in the control device.On the one hand the cleaning method of air conditioner of the present invention realizes the cleaning of two steps, and sterilized, and can effectively clean heat exchanger, and keep heat exchanger health pollution-free；On the other hand, this method each stage is equipped with respective rotation speed of fan and compressor frequency, to utilize air conditioner system itself, maximumlly to enhance cleaning efficacy.
Description
Technical field
The invention belongs to air-conditioner fields, specifically propose a kind of cleaning method of air conditioner.
Background technique
There are a large amount of dust and dirt in air conditioner chamber after long-time placement or use for air conditioner used in everyday.These dirt
Dirt attachment on heat exchangers, and can generate condensed water in air conditioner process of refrigerastion, condensed water is trapped on the heat exchanger of air conditioner,
Dust and dirt on heat exchanger is in moist environment, is be easy to cause on evaporator and is bred a large amount of bacteriums.In this way, accumulation dust and dirt and thin
Bacterium can not only reduce the heat exchange efficiency of evaporator, can also be discharged into environment with the use of air conditioner, to pollute environment simultaneously
There may be peculiar smell, to damage the cleannes and comfort level of environment, also impact to the health of user.
CN201610711301.4 discloses a kind of self-cleaning control method of air-conditioner evaporator, comprising steps of in sky
After adjusting device to enter evaporator automatically cleaning mode, whether detecting indoor unit enters the heating defrost stage；Enter detecting indoor unit
When heating the defrost stage, judge whether outdoor temperature is greater than preset temperature threshold；It is greater than or equal to preset temperature in outdoor temperature
When threshold value, control air-conditioner outdoor unit frequency limit operation.The invention also discloses a kind of self-cleaning control dresses of air-conditioner evaporator
It sets.The present invention carries out the heating defrost stage under the premise of guaranteeing that compressor is without damage, completes the automatically cleaning stage, improves empty
Body is adjusted to test.It is completed in the invention by refrigeration frosting, heating defrost, high temperature drying, final heat exchanger is slowly extensive again at high temperature
Multiple room temperature, just facilitates the normal work of air conditioner.But the present invention only controls compressor frequency limit in the heating defrost stage, other
Each stage, there is no restriction, causes the waste of resource.
The prior art is cleaned in the process of cleaning or dependent on frosting defrost or dependent on condensed water, the cleaning
Method can effectively clean the fouls such as the floating dust that air conditioner has on surface, but to the more obstinate dust closer to Tube Sheet of Heat Exchanger surface
Equal fouls cleaning effect is poor.In addition, air conditioner automatically cleaning mode runs theory based on the air conditioner of cooling and warming, but all too much
Mode limitation when operating normally dependent on air-conditioning, fails sufficiently to make full use of air conditioner system according to the characteristic in automatically cleaning each stage
The characteristic of cold heating system, it is big to eventually lead to energy consumption.
In view of this, proposing the present invention.
Summary of the invention
The purpose of the present invention is to provide a kind of cleaning methods of air conditioner, to solve the above problems.
In order to realize the goal of the invention, the present invention adopts the following technical scheme:
A kind of cleaning method of air conditioner, the following steps are included: S1 condenses, air conditioner freezes to change the cleaning method
Condensed water is formed on hot device surface cleans heat exchanger surface；S2 frosting, air conditioner refrigeration is to form frost layer in heat exchanger surface；S3
Heating, air conditioner heat-production are sterilized with defrost heat exchanging device surface clean；S4 ventilation, indoor unit run ventilation mode, with
Just heat exchanger rapid draing and cooling；The air conditioner includes control device, presets above step respectively in the control device
Rotation speed of fan and compressor operating frequency operation.
Preferably, the air conditioner presets indoor environment temperature TInner ringWith the mapping relations of rotation speed of fan；The S2 frosting rank
Section, the control device obtain indoor environment temperature TInner ring, and by TInner ringWith preset indoor environment temperature TInner ringWith rotation speed of fan
Mapping relations compare；Determine current TInner ringCorresponding rotation speed of fan, control device send rotation speed of fan instruction, air conditioner
Execute corresponding operating.
Preferably, the air conditioner presets the first preset temperature T0, the mapping of the indoor environment temperature and rotation speed of fan
Relationship is to work as TInner ring≥T0When, fan parking；Work as TInner ring< T0When, blower is run with faint wind.
Preferably, the air conditioner presets heat exchanger tube temperature TTube temperatureWith the mapping relations of compressor operating frequency；The S2 knot
White stage, the control device obtain heat exchanger tube temperature TTube temperature, and will be according to TTube temperatureWith preset heat exchanger tube temperature TTube temperatureWith compressor
The mapping relations of frequency compare, and determine current TTube temperatureCorresponding compressor frequency, control device send compressor frequency and refer to
It enables, air conditioner executes corresponding operating.
Preferably, the air conditioner preset second level temperature A, third preset temperature B, wherein the second preset temperature A is big
In third preset temperature B；The heat exchanger tube temperature TTube temperatureMapping relations with compressor frequency are TTube temperatureWhen >=A, compressor is with frequency
The operation of the rate upper limit；A>TTube temperatureWhen >=B, compressor maintains current frequency；TTube temperatureWhen < B, compressor is run with lower-frequency limit.
Preferably, the air conditioner presets heat exchanger tube temperature TTube temperatureWith the mapping relations of rotation speed of fan；The S3 heats rank
Section, the control device obtain heat exchanger tube temperature TTube temperature, and will be according to TTube temperatureWith preset heat exchanger tube temperature TTube temperatureWith rotation speed of fan
Mapping relations compare, and determine current TTube temperatureCorresponding rotation speed of fan, control device send rotation speed of fan instruction, air conditioner
Execute corresponding operating.
Preferably, the air conditioner is preset the 4th preset temperature C, the 5th preset temperature D, default strength wind revolving speed and is preset
Faint wind revolving speed, wherein the 4th preset temperature C is greater than the 5th preset temperature D；The heat exchanger tube temperature TTube temperatureWith reflecting for rotation speed of fan
Penetrating relationship is TTube temperatureWhen >=C, the air conditioner blower unit time improves certain revolving speed until reaching default strength wind revolving speed；C > TTube temperature
When >=D, air conditioner maintains current rotating speed；TTube temperatureWhen < D, the air conditioner blower unit time reduces certain revolving speed until reaching default
Faint wind revolving speed.
Preferably, the air conditioner presets the curve that outdoor environment temperature limits compressor operating frequency；In the S1
Moisture condensation and S3 heat the stage, and the control device obtains outdoor environment temperature TOuter ring, and compressor is transported according to outdoor environment temperature
The curve of line frequency limitation, determines Current outer loop border temperature TOuter ringCorresponding frequency；Control device sends frequency instruction, air-conditioning
Device executes corresponding operating.
Preferably, the S1 moisture condensation and S4 ventilating stage are preset as faint wind.
Preferably, the S4 ventilating stage close compressor.
Beneficial effect
The cleaning method of air conditioner of the present invention, using the refrigerating and heating systems of air conditioner itself, intelligent control is led to
Moisture condensation, frosting, heating, ventilation four-stage are crossed, carries out prerinse in the moisture condensation stage, condensed water takes away surface floating dust.It enters back into
The frosting stage, heat exchanger surface formed frost layer so that the dust of heat exchanger surface to be cleaned, impurity etc. by frost layer from etc. cleaning
Heat exchanger surface removing；It subsequently into the heating stage, removes, carries out secondary from heat exchanger to be cleaned after above-mentioned frost layer defrost
Cleaning, cleaning effect are good；On the other hand heating can be achieved high temperature sterilization, reduce the possibility of recontamination；The heating stage terminates laggard
Row ventilation, to reduce heat exchanger tube temperature as early as possible to normal temperature and dry heat exchanger.This method is according to each self-cleaning rank
The characteristics of section, the refrigerating and heating systems based on air conditioner are using different control modes to the rotation speed of fan and compressor of air conditioner
Frequency is limited, to utilize air conditioner system itself, maximumlly to enhance cleaning efficacy.This method is without adding knot
Using the system of air conditioner itself cleaning can be realized by the setting of intelligent control, and real using method of the invention in structure
Existing two steps cleaning and sterilization, can effectively clean heat exchanger, and keep heat exchanger health pollution-free.
Detailed description of the invention
Fig. 1 is the flow chart of the cleaning method of the air condition of that present invention；
Fig. 2 is the control device the functional block diagram of the cleaning method of the air condition of that present invention；
Fig. 3 limits compressor operating frequency for outdoor environment temperature under the refrigeration mode of the cleaning method of the air condition of that present invention
The schematic diagram of system；
Fig. 4 limits compressor operating frequency for outdoor environment temperature under the heating mode of the cleaning method of the air condition of that present invention
The schematic diagram of system.
Description of symbols
Further clearly to illustrate the connection relationship between structure of the invention and each component, the following drawings mark is given
Note, and be illustrated.
Detecting module 1, judgment module 2, control module 3, judging unit 31, control unit 32 obtain module 4.
Description of symbols through the above attached drawings can be more clearly understood and illustrate this hair in conjunction with the embodiment of the present invention
Bright technical solution.
Specific embodiment
The present invention is further explained in the light of specific embodiments, so that those skilled in the art can be better
Understand the present invention and can be practiced, but scope of the present invention is not limited to described in specific embodiment
Range.It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can be mutual
Any combination.
The self-cleaning method of air conditioner includes refrigeration, heating S3, ventilation S4 three phases；The cooling stages include
Condense S1, two stages of frosting S2.
Such as Fig. 2, the air conditioner includes detecting module 1, judgment module 2, control module 3 and obtains module 4.
The detecting module 1 is mainly used for detecting the rear cleaning stage locating in real time that air conditioner enters automatically cleaning mode；
The module 4 that obtains is mainly used for obtaining the real time information of following 4 aspect:
(1) time locating for air conditioner automatically cleaning each stage is obtained, is used to control whether to terminate the stage and enters
Next stage；Moisture condensation S1, frosting S2, heating S3, divulge information S4 time be denoted as t respectively1、t2、t3、t4、
(2) it obtains moisture condensation S1 and heats the outdoor environment temperature T in S3 stageOuter ring, to control the current operation frequency of air conditioner
Rate；
(3) the indoor environment temperature T in frosting S2 stage is obtainedInner ring, it is used to be judged with preset value, thus with default
Mode control the stage air conditioner fan operation state；
(4) the real-time tube temperature T of heat exchanger of air conditioner is obtainedTube temperature, it is used to be judged with preset value, thus with preset
Mode controls air conditioner running frequency or rotation speed of fan.
The judgment module 2 presets the first preset temperature T in the judgment module 20, the second preset temperature A, third it is pre-
If temperature B, Tube Sheet of Heat Exchanger temperature TTube temperatureWith the mapping relations of air conditioner frequency, the 4th preset temperature C, the 5th preset temperature D and change
Hot device tube temperature degree TTube temperatureWith the mapping relations of rotation speed of fan；Wherein the second preset temperature A is greater than third preset temperature B, and the 4th is default
Temperature C is greater than the 5th preset temperature D.The first preset temperature T0Control for the frosting S2 stage to blower wind speed；It is described
Second preset temperature A, third preset temperature B are used for control of the frosting S2 stage to air conditioner frequency；4th preset temperature
C, the 5th preset temperature D is for heating control of the S3 stage to blower wind speed.Outdoor environment temperature is preset in the judgment module 2
To the curve of compressor operating frequency limitation, the song that compressor operating frequency is limited such as Fig. 3-Fig. 4, the outdoor environment temperature
Line is mainly used for moisture condensation S1, the heating S3 stage distinguishes corresponding refrigeration and the control under heating mode to air conditioner frequency.Tool
Body, the frequency limit mode freezed under frosting S2 mode as described in Figure 3 includes the following steps:
(1), transducer air conditioning presets four outdoor environment temperature a reference values, four preset temperature a reference values by
Small be arranged successively is arrived greatly are as follows: TLC1, TLC2, TLC3, TLC4, and formed section [TLC1 ,+∞], [TLC2, TLC1], [TLC3,
TLC2], [TLC4, TLC3], [- ∞, TLC4]；
(2), practical outdoor environment temperature value T is read by transducer air conditioningOuter ring, then obtain practical outdoor environment temperature value and fall
In some preset temperature a reference value section, section position that transducer air conditioning is fallen according to actual indoor temperature value is controlled
The maximum limitation frequency values of current compressor, when transducer air conditioning reads outdoor environment temperature value TOuter ringFall in section [TLC1 ,+
∞] when, the maximum frequency of cooler compressor operation is limited to fixed value FLC1；Work as TOuter ringWhen falling in section [TLC2, TLC1],
The maximum frequency of cooler compressor operation is limited to FX1；Work as TOuter ringWhen falling in section [TLC3, TLC2], cooler compressor fortune
Capable maximum frequency is limited to the maximum value FCH of limit frequency under refrigeration mode；Work as TOuter ringWhen falling in section [TLC4, TLC3], pressure
The maximum frequency of contracting machine operation is limited to FX2；When reading outdoor temp angle value TOuter ringWhen falling in section [- ∞, TLC4], air conditioner
The maximum frequency of compressor operation is limited to fixed value FLC2；
(3), indoor environment temperature value T is read by transducer air conditioningInner ring, and calculate indoor environment temperature TInner ringWith outdoor ring
Border temperature value TOuter ringTemperature difference T, the difference DELTA T=TInner ring-TOuter ring；
(4), transducer air conditioning controls compressor according to temperature difference T and is in limit frequency mode, when reading indoor ring
Border temperature TInner ringWith outdoor environment temperature TOuter ringTemperature difference T < 3 DEG C when, at this time return to step (2), continue to outdoor environment
To the unrestricted model of compressor operating frequency；When reading temperature difference T >=3 DEG C, operation of the outdoor environment to compressor is exited
Frequency limit mode is carried out according to wind speed frequency limit mode, and continues to read indoor environment temperature T according to step (3)Inner ringThe outdoor and
Environment temperature TOuter ringTemperature difference T, when reading temperature difference T < 3 DEG C, at this time return to step (2), continue outdoor environment pair
The running frequency unrestricted model of compressor, the wind speed frequency limit mode are to control compressor according to rotation speed of fan to carry out frequency limit
System.
Work as TOuter ringWhen falling in section [TLC2, TLC1], the calculation formula of the maximum frequency of cooler compressor operation are as follows: FX1
=FCH- (FCH-FLC1) * (TOuter ring-TLC2)/(TLC1-TLC2)。
Work as TOuter ringWhen falling in section [TLC4, TLC3], the calculation formula of the maximum frequency of compressor operation are as follows: FX2=FLC2
+(FCH-FLC2)*(TOuter ring-TLC4)/(TLC3-TLC4)。
Limitation of the outdoor environment temperature to compressor operating frequency under the heating S3 mode, as shown in figure 4, the heating
Frequency limit mode under mode includes the following steps:
(1), transducer air conditioning presets seven outdoor temperature a reference values, seven preset temperature a reference values by it is small to
It is arranged successively greatly are as follows: TLH6, TLH5, TLH4, TLH3, TLH2, TLH1, TLH0, and preset temperature section [- ∞, TLH6] is formed,
[TLH6, TLH5], [TLH5, TLH4], [TLH4, TLH3], [TLH3, TLH2], [TLH2, TLH1], [TLH1, TLH0],
[TLH0 ,+∞]；
(2), practical outdoor environment temperature value T is read by transducer air conditioningOuter ring, when transducer air conditioning reads outdoor temperature
Value TOuter ringWhen falling in section [- ∞, TLH6], compressor is controlled at this time and is in limit frequency mode, the maximum frequency of compressor operation
It is limited to the maximum value FLH4 of limit frequency under heating mode；Work as TOuter ringWhen falling in section [TLH6, TLH5], control at compressor
In limit frequency mode, the maximum frequency that compressor is run is limited to as FX3；Work as TOuter ringWhen falling in section [TLH5, TLH4],
Control compressor is in limit frequency mode, and compressor operation maximum frequency is limited to fixed value FLH3；Work as TOuter ringFall in section
When [TLH4, TLH3], control compressor is in limit frequency mode, and the maximum frequency that compressor is run is limited to FX4；When
TOuter ringWhen falling in section [TLH3, TLH2], control compressor is in limit frequency mode, and compressor operation maximum frequency is limited to
Fixed value FLH2；Work as TOuter ringWhen falling in section [TLH2, TLH1], control compressor is in limit frequency mode, compressor operation
Maximum frequency is FX5；Work as TOuter ringWhen falling in section [TLH1, TLH0], control compressor is in limit frequency mode, by compressor
Operation maximum frequency is limited to fixed value FLH1；Work as TOuter ringWhen falling in section [TLH0 ,+∞], transducer air conditioning control compressor is held
Row shutdown mode, transducer air conditioning continues return step 1 and reads outdoor environment temperature value, until transducer air conditioning reads outdoor
Temperature value TOuter ringWhen≤TLH0-2, restore limitation of the outdoor environment temperature to compressor operating frequency under heating mode at this time.
Work as TOuter ringWhen falling in section [TLH6, TLH5], the calculation formula of the maximum frequency limitation FX3 of compressor operation are as follows:
FX3=FLH4- (FLH4-FLH3) * (TOuter ring-TLH6)/(TLH5-TLH6)。
Work as TOuter ringWhen falling in section [TLH4, TLH3], the calculation formula of the maximum frequency FX4 of compressor operation are as follows: FX4=
FLH3-(FLH3–FLH2)*(TOuter ring-TLH4)/(TLH3-TLH4)。
Work as TOuter ringWhen falling in section [TLH2, TLH1], the calculation formula of the maximum frequency FX5 of compressor operation are as follows: FX5=
FLH2-(FLH2–FLH1)*(TOuter ring-TLH2)/(TLH1-TLH2)。
When air conditioner is in moisture condensation S1, the heating S3 stage of automatically cleaning mode, judgment module 2 judges outdoor environment temperature
TOuter ringThe curve that compressor operating frequency is limited with outdoor environment temperature.
When air conditioner is in the frosting S2 stage of automatically cleaning mode, judgment module 2 judges indoor environment temperature TInner ringWith
One preset temperature T0Size relation；And judge TTube temperatureWith the size relation of the second preset temperature A, third preset temperature B.
When air conditioner is in the heating S3 stage of automatically cleaning mode, judgment module 2 judges TTube temperatureWith the 4th preset temperature C,
The size relation of 5th preset temperature D.
The control module 3 includes determination unit 31 and control unit 32；The determination unit 31 was used for according to each stage
The relationship of acquired value and preset value determines corresponding preset running frequency or corresponding rotation speed of fan.Then by control unit 32
Instruction is issued, air conditioner executes corresponding operating.After corresponding acquired value and preset value are judged by judgment module 2, institute
It states the determination of determination unit 31 and obtains corresponding air conditioner external running frequency or corresponding rotation speed of fan, then issued by control unit 32
Command adapted thereto, air conditioner execute corresponding operating.
Such as Fig. 1, the self-cleaning method of air conditioner is specific as follows:
(1) air conditioner opens automatically cleaning mode, i.e. air conditioner enters the moisture condensation stage；The internal machine of air-conditioner keeps faint
Wind, and obtain outdoor environment temperature TOuter ring, with the curve motion limited according to outdoor environment temperature compressor operating frequency；
(2) as air conditioner moisture condensation time t '1Reach the first preset time t1When, air conditioner exits the moisture condensation control stage, goes forward side by side
Enter the frosting control stage.
(3) indoor environment temperature T is obtainedInner ring, and by its first preset temperature T0Judged, works as TInner ring≥T0, blower stops
Machine；Work as TInner ring< T0, blower runs with faint wind；Obtain heat exchanger tube temperature, and with the second preset temperature A, third preset temperature B
It is compared judgement, TTube temperature>=A, compressor are run with upper frequency limit；A>TTube temperature>=B compressor maintains current frequency；TTube temperature< B pressure
Contracting machine is run with lower-frequency limit.
(4) as air conditioner heat pamp t '2Reach the second preset time t2When, air conditioner exits the frosting control stage, goes forward side by side
Enter to heat the control stage.
(5) heat exchanger tube temperature T is obtainedTube temperature, it is compared judgement with the 4th preset temperature C, the 5th preset temperature D,
TTube temperature>=C, the every 5s of air conditioner blower improve 120r until reaching strength wind revolving speed；C > TTube temperature>=D, air conditioner maintain current rotating speed；
TTube temperature< D, the every 5s of air conditioner blower reduce 120r until reaching faint wind revolving speed.
(6) as air conditioner heat-production time t '3Reach third preset time t3Or when there is overload protection shutdown, air conditioner
The frosting control stage is exited, and enters the Ventilation Control stage.
(7) internal machine of air-conditioner keeps faint wind, close compressor；When air conditioner ventilation time, which reaches third, to be preset
Between t3When, air conditioner exits automatically cleaning mode.
Specifically, such as table 1.Detecting module 1 detects air conditioner and is presently in as the moisture condensation stage in step (1), correspondingly
The control operation in moisture condensation stage is executed, i.e. blast velocity control is faint wind, and obtains current outdoor environment temperature by acquisition module 4
TOuter ring, judgment module 2 is by TOuter ringThe curve limited with preset outdoor environment temperature compressor operating frequency, which compares, to close
System's judgement, then by determining that single 31 determine corresponding frequencies, finally issued and instructed by control unit 32, air conditioner adjust frequency to pre-
If frequency.
Module 4 is obtained in step (2) obtains moisture condensation stage duration t '1, judgment module 2 is by t '1With preset first
Preset time t1The relationship of progress that compares judgement, works as t '1=t1When, into the frosting stage, detecting module 1 detects air conditioner and works as
It is preceding locating for the frosting stage.
Module 4 is obtained in step (3) obtains indoor environment temperature TInner ring, judgment module 2 is by TInner ringWith the first preset temperature T0
Judged；Work as TInner ring≥T0, control module 3, which issues, to be instructed, fan parking；Work as TInner ring< T0, control module 3, which issues, to be instructed, blower
With the operation of faint wind.It obtains module 4 and obtains heat exchanger tube temperature TTube temperature, judgment module 2 is by TTube temperatureIt is pre- with the second preset temperature A, third
If temperature B is compared judgement；TTube temperature>=A, control module 3 issue instruction, and compressor is run with upper frequency limit；A>TTube temperature>=B, pressure
Contracting machine maintains current frequency；TTube temperature< B, control module 3 issue instruction, and compressor is run with lower-frequency limit.
Module 4 is obtained in step (4) obtains frosting stage duration t '2, judgment module 2 is by t '2With second it is default when
Between t2The relationship of progress that compares judgement, works as t '2=t2When, into the heating stage, detecting module 1 detects air conditioner and is presently in
To heat the stage.
Module 4 is obtained in step (5) obtains heat exchanger tube temperature TTube temperature, judgment module 2 is by TTube temperatureWith the 4th preset temperature C,
Five preset temperature D are compared judgement；TTube temperature>=C, control module 3 issue instruction, and the every 5s of air conditioner blower improves 120r until reaching
To strength wind revolving speed；C > TTube temperature>=D, air conditioner maintain current rotating speed；TTube temperature< D, control module 3 issue instruction, air conditioner blower
Every 5s reduces 120r until reaching faint wind revolving speed.
Module 4 is obtained in step (6) obtains heating stage duration t '3, judgment module 2 is by t '3With second it is default when
Between t3The relationship of progress that compares judgement, works as t '3=t3When, into ventilating stage；Or when there is overload protection shutdown, into logical
The wind stage；Detecting module 1 detects air conditioner and is presently in as the heating stage；
Internal machine of air-conditioner described in step (7) keeps faint wind, close compressor；The acquisition acquisition heating stage of module 4 holds
Continuous time t '4, judgment module 2 is by t '4With the second preset time t4The relationship of progress that compares judgement, works as t '4=t4When, air conditioner
Exit automatically cleaning mode.
Table is arranged in each module of 1 the air condition of that present invention of table and corresponding operating
The cleaning method of air conditioner of the present invention, using the refrigerating and heating systems of air conditioner itself, intelligent control is led to
Moisture condensation, frosting, heating, ventilation four-stage are crossed, carries out prerinse in the moisture condensation stage, condensed water takes away surface floating dust.It enters back into
The frosting stage, heat exchanger surface formed frost layer so that the dust of heat exchanger surface to be cleaned, impurity etc. by frost layer from etc. cleaning
Heat exchanger surface removing；It subsequently into the heating stage, removes, carries out secondary from heat exchanger to be cleaned after above-mentioned frost layer defrost
Cleaning, cleaning effect are good；On the other hand heating can be achieved high temperature sterilization, reduce the possibility of recontamination；The heating stage terminates laggard
Row ventilation, to reduce heat exchanger tube temperature as early as possible to normal temperature and dry heat exchanger.This method is according to each self-cleaning rank
The characteristics of section, the refrigerating and heating systems based on air conditioner are subject to different control modes to the rotation speed of fan and compressor of air conditioner
Frequency is limited, to utilize air conditioner system itself, maximumlly to enhance cleaning efficacy.This method is without adding knot
Using the system of air conditioner itself cleaning can be realized by the setting of intelligent control, and real using method of the invention in structure
Existing two steps cleaning and sterilization, can effectively clean heat exchanger, and keep heat exchanger health pollution-free.
It is described interior although those skilled in the art should be understood that embodiment disclosed by inventive embodiments is as above
Hold embodiment that is only of the invention for ease of understanding and using, the embodiment being not intended to limit the invention.Any present invention is real
Apply a those skilled in the art, do not depart from disclosed herein spirit and scope under the premise of, can be in implementation
Any modification and variation, but the scope of patent protection of the embodiment of the present invention are carried out in form and details, it still must be with appended power
Benefit requires subject to defined range.
Claims (10)
1. a kind of cleaning method of air conditioner, it is characterised in that: the cleaning method the following steps are included:
S1 moisture condensation, air conditioner refrigeration clean heat exchanger surface to form condensed water on heat exchanger surface；
S2 frosting, air conditioner refrigeration is to form frost layer in heat exchanger surface；
S3 heating, air conditioner heat-production are sterilized with defrost heat exchanging device surface clean；
S4 ventilation, indoor unit runs ventilation mode, so as to heat exchanger rapid draing and cooling；
The air conditioner includes control device, and the respective rotation speed of fan of above step is preset in the control device and compressor is transported
The operation of line frequency.
2. the cleaning method of air conditioner according to claim 1, it is characterised in that: the air conditioner presets indoor environment temperature
Spend TInner ringWith the mapping relations of rotation speed of fan；The S2 frosting stage, the control device obtain indoor environment temperature TInner ring, and will
TInner ringWith preset indoor environment temperature TInner ringIt is compared with the mapping relations of rotation speed of fan；Determine current TInner ringCorresponding wind
Machine revolving speed, control device send rotation speed of fan instruction, and air conditioner executes corresponding operating.
3. the cleaning method of air conditioner according to claim 2, it is characterised in that: the default temperature of the air conditioner default first
Spend T0, the mapping relations of the indoor environment temperature and rotation speed of fan are to work as TInner ring≥T0When, fan parking；Work as TInner ring< T0When, wind
Machine is run with faint wind.
4. the cleaning method of air conditioner according to claim 1, it is characterised in that: the air conditioner presets heat exchanger tube temperature
TTube temperatureWith the mapping relations of compressor operating frequency；The S2 frosting stage, the control device obtain heat exchanger tube temperature TTube temperature, and
It will be according to TTube temperatureWith preset heat exchanger tube temperature TTube temperatureIt is compared with the mapping relations of compressor frequency, determines current TTube temperatureInstitute is right
The compressor frequency answered, control device send compressor frequency instruction, and air conditioner executes corresponding operating.
5. the cleaning method of air conditioner according to claim 4, it is characterised in that: the air conditioner preset second level temperature
A, third preset temperature B are spent, wherein the second preset temperature A is greater than third preset temperature B；The heat exchanger tube temperature TTube temperatureWith compression
The mapping relations of unit frequency are TTube temperatureWhen >=A, compressor is run with upper frequency limit；A>TTube temperatureWhen >=B, compressor maintains current frequency
Rate；TTube temperatureWhen < B, compressor is run with lower-frequency limit.
6. the cleaning method of air conditioner according to claim 1, it is characterised in that: the air conditioner presets heat exchanger tube temperature
TTube temperatureWith the mapping relations of rotation speed of fan；The S3 heats the stage, and the control device obtains heat exchanger tube temperature TTube temperature, and by basis
TTube temperatureWith preset heat exchanger tube temperature TTube temperatureIt is compared with the mapping relations of rotation speed of fan, determines current TTube temperatureCorresponding blower
Revolving speed, control device send rotation speed of fan instruction, and air conditioner executes corresponding operating.
7. the cleaning method of air conditioner according to claim 6, it is characterised in that: the default temperature of the air conditioner the default 4th
Degree C, it the 5th preset temperature D, presets strength wind revolving speed and presets faint wind revolving speed, wherein the 4th preset temperature C is greater than the 5th in advance
If temperature D；The heat exchanger tube temperature TTube temperatureMapping relations with rotation speed of fan are TTube temperatureWhen >=C, the air conditioner blower unit time is mentioned
High certain revolving speed is until reach default strength wind revolving speed；C > TTube temperatureWhen >=D, air conditioner maintains current rotating speed；TTube temperatureWhen < D, air-conditioning
The device blower unit time reduces certain revolving speed and presets faint wind revolving speed until reaching.
8. the cleaning method of air conditioner according to claim 1, it is characterised in that: the air conditioner presets outdoor environment temperature
Spend the curve limited compressor operating frequency；The stage is heated in S1 moisture condensation and S3, the control device obtains outdoor ring
Border temperature TOuter ring, and the curve that compressor operating frequency is limited according to outdoor environment temperature, determine Current outer loop border temperature TOuter ring
Corresponding frequency；Control device sends frequency instruction, and air conditioner executes corresponding operating.
9. the cleaning method of air conditioner according to claim 1, it is characterised in that: the S1 moisture condensation and S4 ventilating stage are pre-
It is set as faint wind.
10. the cleaning method of air conditioner according to claim 1, it is characterised in that: the S4 ventilating stage closes compression
Machine.
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