CN107449070A - A kind of heat exchanger of air conditioner outdoor unit cleaning method, device and air-conditioning - Google Patents
A kind of heat exchanger of air conditioner outdoor unit cleaning method, device and air-conditioning Download PDFInfo
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- CN107449070A CN107449070A CN201710858073.8A CN201710858073A CN107449070A CN 107449070 A CN107449070 A CN 107449070A CN 201710858073 A CN201710858073 A CN 201710858073A CN 107449070 A CN107449070 A CN 107449070A
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- outdoor unit
- heat exchanger
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- conditioning
- control
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/42—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
- F24F2221/225—Cleaning ducts or apparatus using a liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
This application provides a kind of heat exchanger of air conditioner outdoor unit cleaning method, device and air-conditioning, methods described includes：When being cleaned to outdoor unit, control air-conditioning enters heating mode, and control condensed water collecting device heat exchanging device carries out water drenching, and the condensed water collecting device is used for the condensed water for collecting outdoor machine of air-conditioner；After heat exchanger frosting, control air-conditioning enters refrigeration mode so that frost melts heel row on outdoor unit to outer machine chassis.Whole cleaning process can be performed automatically by air-conditioning system, be cleaned manually without user, it is achieved thereby that safely and effectively being cleaned to outdoor unit radiator.
Description
Technical field
The present invention relates to air conditioner technical field, and in particular to a kind of for the sky of the impurity cleaned on outdoor unit fin
Adjust outdoor unit heat exchanger cleaning method, device and air-conditioning.
Background technology
With the development of science and technology people's quality of life is also improving constantly, air-conditioning equipment has come into every household, into
One of indispensable home appliance in being lived for user.
In northern area, because haze and dust and sand weather are serious so that the impurity in air is more, causes outdoor unit to make
After a period of time, substantial amounts of dust, silt can be accumulated on fin, makes the exchange capability of heat degradation of heat exchanger, influences air-conditioning
Using effect.
In the prior art, if the dust on heat exchanger of outdoor machine of air conditioner fin is excessive, generally use manual type
It is cleaned, however, because outdoor unit is usually mounted to outside building, the personal safety that personnel are cleaned in cleaning is difficult to
Obtain effective guarantee.
Therefore, how a kind of safely and effectively outdoor unit cleaning program is provided, it is urgently to be resolved hurrily to turn into those skilled in the art
One of technical problem.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of heat exchanger of air conditioner outdoor unit cleaning method, device and air-conditioning, with reality
Now heat exchanger of air conditioner outdoor unit is safely and effectively cleaned.
To achieve the above object, the embodiment of the present invention provides following technical scheme：
A kind of heat exchanger of air conditioner outdoor unit cleaning method, including：
When getting clear instruction, control air-conditioning enters heating mode, and control condensed water collecting device heat exchanging device is carried out
Water drenching, the condensed water collecting device are used for the condensed water for collecting outdoor machine of air-conditioner；
After heat exchanger frosting, control air-conditioning enters refrigeration mode so that frost melts heel row on outdoor unit to outer machine
Chassis.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning method, it is described get clear instruction after, control air-conditioning
Into before heating mode, in addition to：
Judge whether air conditioner chamber's outside environment temperature is more than set temperature value, if it is, the clear instruction is not responding to,
If not, respond the clear instruction and continue executing with.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning method, control air-conditioning enters after heating mode, also wraps
Include：
Control indoor set wind deflector gets to the first setting position, and control inner blower is run with the windscreen set；
When the wind deflector gets to the first setting position, the air-flow of wind deflector output is blown out obliquely.
Preferably, described after heat exchanger frosting in above-mentioned heat exchanger of air conditioner outdoor unit cleaning method, control air-conditioning enters
Refrigeration mode, specifically include：
Judge whether the outer tube temperature of the pipeline of outdoor unit heat exchanger reaches default outer tube frosting lower limit temperature, if
It is that control air-conditioning enters refrigeration mode.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning method, after control air-conditioning enters refrigeration mode, in addition to：
The temperature difference between the outer tube temperature of the pipeline of outdoor unit heat exchanger and outer tube target temperature is calculated, controls the room
Outer machine blower fan is run with the default gear to match with the temperature difference.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning method, the outdoor unit blower fan is controlled with default and institute
The gear operation that temperature difference matches is stated, including：
When the temperature difference is not more than the first preset temperature value, control outdoor machine fan is run with the first gear；
When the temperature difference is less than the first preset temperature value and when be not less than the second preset temperature, control outdoor machine fan with
Second gear is run；
When the temperature difference is less than the second preset temperature value, control outdoor machine fan is run with third gear；
Wherein, first preset temperature value is more than second preset temperature value, outdoor unit wind during first gear
Outdoor machine fan rotating speed during outdoor machine fan rotating speed ＜ third gears when fanning rotating speed the second gears of ＜.
A kind of heat exchanger of air conditioner outdoor unit cleaning equipment, including, for controlling the processor of air-conditioning work state, also wrap
Include：
Condensed water collecting device, for carrying out water drenching according to the control instruction heat exchanging device of processor, the condensed water is received
Acquisition means are used to collect and store the condensed water of outdoor machine of air-conditioner；
The processor is used to call pre-memorized program code, following for performing when described program code is performed
Operation：
When getting clear instruction, control air-conditioning enters heating mode, and control condensed water collecting device heat exchanging device enters
Row water drenching, the condensed water collecting device are used for the condensed water for storing outdoor machine of air-conditioner；After heat exchanger frosting, control air-conditioning enters
Refrigeration mode so that frost melts heel row on outdoor unit to outer machine chassis.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the processor is when getting clear instruction, control
Air-conditioning processed enters before heating mode, is additionally operable to perform following operation：
Judge whether air conditioner chamber's outside environment temperature is more than set temperature value, if it is, the clear instruction is not responding to,
If not, respond the clear instruction and continue executing with.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the processor is performing control air-conditioning into system
After heat pattern, it is additionally operable to perform following operation：
Control indoor set wind deflector gets to the first setting position, and control inner blower is run with the windscreen set；
When the wind deflector gets to the first setting position, the air-flow of wind deflector output is blown out obliquely.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the processor perform when heat exchanger frosting after,
When control air-conditioning enters refrigeration mode, specifically for performing following operate：
Judge whether the outer tube temperature of the pipeline of outdoor unit heat exchanger reaches default outer tube frosting lower limit temperature, if
It is that control air-conditioning enters refrigeration mode.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the processor is performing control air-conditioning into system
After chill formula, it is additionally operable to perform following operation：
The temperature difference between the outer tube temperature of the pipeline of outdoor unit heat exchanger and outer tube target temperature is calculated, controls the room
Outer machine blower fan is run with the default gear to match with the temperature difference.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the condensed water collecting device, including：
Reservoir, the reservoir are disposed in the outdoor at machine chassis, and at the water inlet face bottom plate of outdoor unit of reservoir
Osculum；
Water drenching pipeline, the water inlet of the water drenching pipeline are connected with the reservoir delivery port, and the water drenching pipeline goes out
The mouth of a river is arranged in above outdoor unit heat exchanger, and heat exchanger is sprayed at the water for enabling the delivery port of the water drenching pipeline to spray
On；
The pressurized equipment being arranged in reservoir, to reservoir during enabled instruction for getting processor output
In water pressurizeed, with cause the water in the reservoir by water drenching pipeline delivery port spray.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the reservoir is removably arranged on institute
State at bottom plate of outdoor unit.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the water inlet of the reservoir is provided with filter screen
Structure.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, spillway hole is additionally provided with the reservoir.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the water drenching pipeline is platy structure；
Multiple through holes of the platy structure are provided through in the platy structure；
A water pipe is provided with each through hole；
The water pipe is docked by total joint with the delivery port of the reservoir.
Preferably, in above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, the multiple through hole is evenly distributed on institute in multiple row
State on platy structure.
A kind of air-conditioning, using the heat exchanger of air conditioner outdoor unit cleaning equipment having described in above-mentioned any one embodiment.
Based on above-mentioned technical proposal, such scheme provided in an embodiment of the present invention, when being cleaned to outdoor unit, control
Air-conditioning enters heating mode, and control condensed water collecting device heat exchanging device carries out water drenching, and the condensed water collecting device is used to receive
Collect the condensed water of outdoor machine of air-conditioner；After heat exchanger frosting, control air-conditioning enters refrigeration mode so that the frost melts on outdoor unit
Heel row is to outer machine chassis.Whole cleaning process can be performed automatically by air-conditioning system, be cleaned manually without user, it is achieved thereby that right
Outdoor unit radiator is safely and effectively cleaned.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of heat exchanger of air conditioner outdoor unit cleaning method disclosed in the embodiment of the present application；
Fig. 2 is a kind of schematic flow sheet of heat exchanger of air conditioner outdoor unit cleaning method disclosed in another embodiment of the application；
Fig. 3 is a kind of structural representation of heat exchanger of air conditioner outdoor unit cleaning device disclosed in the embodiment of the present application；
Fig. 4 is a kind of structural representation of outdoor unit disclosed in the embodiment of the present application；
Fig. 5 is the upward view of outdoor unit disclosed in the embodiment of the present application；
Fig. 6 is a kind of structural representation of water drenching pipeline disclosed in the embodiment of the present application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
In order to provide a kind of safely and effectively outdoor unit cleaning program, this application discloses a kind of heat exchanger of air conditioner outdoor unit
Cleaning method, device and air-conditioning, referring to Fig. 1, the heat exchanger of air conditioner outdoor unit cleaning method, including：
Step S101：Clear instruction is got, performs step S102 and D103；
Wherein, the clear instruction can be that user is manually entered or when air-conditioning system works according to itself
What length automatically generated, when the instruction is to automatically generate, the air-conditioning system records operating time during per task automatically,
Calculate the operating time sum recorded every time and obtain total working duration, when the total working duration reaches given threshold,
Automatically generate clear instruction and initialize the operating time of record.
Step S102：Control air-conditioning enters heating mode；
In air-conditioning heating, indoor set does condenser use, to indoor radiating；Outdoor unit heat exchanger does evaporator use,
Play refrigeration；During heating, compressor send heat from outdoor to interior, the temperature on the fin of the heat exchanger of outdoor unit
Temperature than outdoor is low, and the steam in air just condenses on a heat sink, if the temperature on fin is less than 0 degree, dissipates
Water condensation on backing turns into frost, now, due to having dust on outdoor unit fin, can cause the condensed water in Frost formation process
Combined with the dust on outdoor unit heat exchanger.
Step S103：Condensed water collecting device heat exchanging device is controlled to carry out water drenching；
When the air-conditioning enters heating mode, the fin of control condensed water collecting device heat exchanging device carries out water drenching,
Increase the condensate flow of heat exchanger surface, and then accelerate to coagulate white speed so that heat exchanger surface can condense thicker in a short time
Frost layer.Wherein, in order to ensure that the condensed water collecting device can be automatically replenished, the condensed water collecting device can be set
At bottom plate of outdoor unit, and the osculum at face bottom plate of outdoor unit.At work, the condensed water of generation is by the draining for air-conditioning
Hole flows into the condensed water collecting device.
Step S104：After heat exchanger frosting, control air-conditioning enters refrigeration mode so that after the frost melts on outdoor unit
Drain into outer machine chassis；
In this step, when frost occurs in outdoor unit, double-deck dust with the outdoor unit heat exchanger etc. is miscellaneous
Matter is closely linked, and after frosting, control air-conditioning enters refrigeration mode, and in air conditioner refrigerating, outdoor unit heat exchanger does cold
Condenser uses, and plays refrigeration；Indoor set does evaporator use, plays a part of to outdoor radiating；During refrigeration, compressor is by heat
Sent from interior to outdoor, the temperature rise on the fin of the heat exchanger of outdoor unit, the frost layer on fin is melted, and is melted
Afterwards, current mix the impurity such as the dust on fin and leave fin, it is achieved thereby that the fin is cleaned
Purpose.
Also, in refrigeration mode, the temperature of the outdoor unit heat exchanger is higher, additionally it is possible to effective to kill, heat exchanger
The bacterium that surface grows.
From said process, when being cleaned to outdoor unit, whole cleaning process can be performed automatically by air-conditioning system,
Cleaned manually without user, it is achieved thereby that safely and effectively being cleaned to outdoor unit radiator.
When air-conditioning equipment enters heating working condition, if outdoor temperature is higher, air-conditioning system easily enters automatically
Defencive function, the arrestment such as guard mode, automatic shield is spread unfounded rumours, the protection of inner tube high temperature-proof, defrost pattern, freezing mode enter
Enter heating mode, therefore, when getting above-mentioned clear instruction, also control system shields the defencive function of air-conditioning.
Air-conditioning system is after shielding protection function, and air-conditioning equipment is when carrying out heating mode, if outdoor environment temperature mistake
Height, air-conditioner system hypertonia can be caused, wherein, 24 degrees Celsius are that overload heats outside environment temperature, i.e. if air-conditioning
Work in a heating mode, and when outdoor environment temperature is higher than 24 degree, easily causes air-conditioning system abnormal, shielded in air-conditioning system
There are Pipe breaks in the case of defencive function.
On the other hand, technical scheme disclosed in the above embodiments of the present application, after clear instruction is got, control air-conditioning enters
Before heating mode, in addition to：
Judge whether air conditioner chamber's outside environment temperature is more than set temperature value, if it is, the clear instruction is not responding to,
If not, respond the clear instruction and continue executing with step S102.Wherein, it is Celsius to could be arranged to 24 for the set temperature value
Degree.
In such scheme, air-conditioning equipment needs to enter two mode of operations that heat and freeze during cleaning, wherein, it is inevitable
At least one mode of operation is to be not suitable for current climate, such as summer, is not suitable for entering heating mode, winter be not suitable for into
Enter heating mode.Therefore, in order to prevent air-conditioner air outlet face user, in technical scheme disclosed in the above embodiments of the present application,
After controlling air-conditioning to enter heating mode, it is additionally operable to：
Control indoor set wind deflector gets to the first setting position, and the first position can be that control deflector air-conditioning is oblique
The position of up-draught, avoids the air-flow face user of blowout, and control inner blower is run with the windscreen set；Wherein, in order to accelerate
The solidifying white speed of radiator, the inner blower preferably keep off operation according to the most high wind of setting, and air-conditioner outdoor unit is to set
Minimum windscreen operation.
In such scheme, after detecting that heat exchanger is solidifying white, now need to stop the condensed water collecting device continuation
Water drenching is carried out to the heat exchanger, control outdoor unit blower fan is out of service, in this process, in this process, specifically how to sentence
The whether solidifying frost of disconnected heat exchanger, can be according to user's request sets itself detection mode, for example, the skill disclosed in the embodiment of the present application
In art scheme, by the outer tube temperature for the pipeline for detecting outdoor unit heat exchanger, can judge outdoor unit heat exchanger pipeline it is outer
Whether pipe temperature reaches the mode of default outer tube frosting temperature, judge heat exchanger whether frosting, if reaching solidifying white temperature,
Judge outdoor unit heat exchanger frosting.Wherein, the occurrence of the frosting temperature can according to user's request sets itself, for example,
Frosting temperature described in technical scheme disclosed in the embodiment of the present application can be any one temperature value no more than -5 degrees Celsius.When
So, after air-conditioning equipment enters heating mould for a period of time, heat exchanger frosting can also be automatically considered, and hence it is also possible to logical
Whether the duration for crossing monitoring air-conditioning into heating mode reaches the mode of the first setting duration, judges whether outdoor unit heat exchanger is tied
Frost, if reaching the first setting duration, show outdoor unit heat exchanger frosting.Wherein, the first setting duration is specific
Value can be according to user's request sets itself, for example, it can be any one value not less than 180 seconds.
In technical scheme disclosed in the embodiment of the present application, after heat exchanger frosting, continue to be monitored outer tube temperature,
After air conditioner proceeds to outer tube frosting lower limit temperature, control air-conditioning stops heating operation and turns refrigeration mode, specifically,
In upper art method, it can also include：
Monitoring outer tube temperature in real time, judges whether the outer tube temperature of the pipeline of outdoor unit heat exchanger reaches default outer tube knot
White lower limit temperature, if it is, control air-conditioning enters refrigeration mode.Wherein, the outer tube frosting lower limit temperature can be less than -20
DEG C any one value.
, can also foundation after control air-conditioning enters refrigeration mode in technical scheme disclosed in another embodiment of the application
The rotating speed of the size control outdoor machine fan of outer tube temperature, specifically, an outer tube target temperature value can be pre-set, is calculated real-time
Temperature difference between the outer tube temperature and outer tube target temperature of monitoring, obtained according to default mapping table search corresponding with the temperature difference
Preset gear value, control the outdoor unit blower fan to be run with the rotating speed of the preset gear value, also, when outer tube temperature reaches outside
Out of service after air-conditioning equipment operation preset time period after pipe target temperature, the preset time period can be 3 minutes or more
It is long.
Specifically, when the temperature difference is not more than the first preset temperature value, control outdoor machine fan is transported with the first gear
OK；When the temperature difference is less than the first preset temperature value and is not less than the second preset temperature, control outdoor machine fan is with second
Gear is run；When the temperature difference is less than the second preset temperature value, control outdoor machine fan is run with third gear；
Wherein, first preset temperature value is more than second preset temperature value, outdoor unit wind during first gear
Outdoor machine fan rotating speed during outdoor machine fan rotating speed ＜ third gears when fanning rotating speed the second gears of ＜.For example, institute in the present embodiment
It can be 10 DEG C to state the first preset temperature value, and the second preset temperature value can be 5 DEG C, and first gear can be outdoor machine of air-conditioner
The low wind shelves of fan, the second gear are the apoplexy shelves of outer machine fan, and third gear is the high wind shelves of outer machine fan.
Specifically, summary scheme, disclosed herein as well is air-conditioning system when heat exchanging device is cleaned it is complete
Method flow diagram, referring to Fig. 2, method can include disclosed in the embodiment of the present application：
Step S201：Get clear instruction；
Step S202：Judge whether air conditioner chamber's outside environment temperature is more than set temperature value, if it is, performing step
S203, otherwise perform step S204；
Step S203：It is not responding to the clear instruction；
Step S204：Control air-conditioning enters heating mode, performs step S205；
Step S205：Control indoor set wind deflector gets to the first setting position, and control inner blower keeps off according to most high wind and run,
Control air-conditioner outdoor unit is run with minimum windscreen；
Step S206：Control condensed water collecting device heat exchanging device to carry out water drenching, perform step S207；
Step S207：Judge the pipeline of outdoor unit heat exchanger outer tube temperature whether reach default outer tube frosting temperature or
Whether the duration that air-conditioning enters heating mode reaches the first setting duration, if it is, performing step S208, otherwise continues to judge；
Step S208：Stop the condensed water collecting device continuing to carry out water drenching to the heat exchanger, control outdoor unit wind
Machine is out of service；
Step S209：Judge whether the outer tube temperature of the pipeline of outdoor unit heat exchanger reaches default outer tube frosting lower limit temperature
Degree, if it is, performing subsidy S210, otherwise, continue to judge；
Step S210：Control outdoor unit blower fan out of service, control air-conditioning enters refrigeration mode；
Step S211：Judge whether outer tube temperature reaches outer tube target temperature, if it is, performing step S212, otherwise, hold
Row step S213；
Step S212：Shut down after air-conditioning equipment operation the second setting duration；
Step S213：The temperature difference between the outer tube temperature monitored in real time and outer tube target temperature is calculated, performs step
S214；
Step S214：Preset gear value corresponding with the temperature difference is obtained according to default mapping table search, controls the room
Outer machine blower fan is run with the rotating speed of the preset gear value.
Corresponding to above-mentioned heat exchanger of air conditioner outdoor unit cleaning method, referring to Fig. 3, disclosed herein as well is a kind of air conditioning chamber outside
Machine heat exchanger cleaning equipment, including, for controlling the processor 100 of air-conditioning work state, in addition to：
Condensed water collecting device 200, it is described for carrying out water drenching according to the control instruction heat exchanging device 300 of processor 100
Condensed water collecting device 200 is used to collect and store the condensed water of outdoor machine of air-conditioner；
The processor is used to call pre-memorized program code, following for performing when described program code is performed
Operation：
When getting clear instruction, control air-conditioning enters heating mode, controls the heat exchanging device of condensed water collecting device 200
300 carry out water drenching, and the condensed water collecting device 200 is used for the condensed water for storing outdoor machine of air-conditioner；After 300 frosting of heat exchanger,
Control air-conditioning enters refrigeration mode so that frost melts heel row on outdoor unit to outer machine chassis.
Preferably, in such scheme, for the processor 100 when getting clear instruction, control air-conditioning enters heating mould
Before formula, it is additionally operable to perform following operation：
Judge whether air conditioner chamber's outside environment temperature is more than set temperature value, if it is, the clear instruction is not responding to,
If not, respond the clear instruction and continue executing with.
Preferably, in such scheme, the processor 100 is additionally operable to hold after performing control air-conditioning and entering heating mode
Row is following to be operated：
Control indoor set wind deflector gets to the first setting position, and control inner blower is run with the windscreen set；
When the wind deflector gets to the first setting position, the air-flow of wind deflector output is blown out obliquely.
Preferably, in such scheme, the processor 100 is additionally operable to perform following behaviour after performing when heat exchanger frosting
Make after detecting that heat exchanger is solidifying white, to stop the condensed water collecting device and continue to carry out water drenching, control room to the heat exchanger
Outer machine blower fan is out of service, specifically, described detect that heat exchanger coagulates white detailed process and included：Detect outdoor unit heat exchanger
The outer tube temperature of pipeline, judges whether the outer tube temperature of the pipeline of outdoor unit heat exchanger reaches the side of default outer tube frosting temperature
Formula, judge heat exchanger whether frosting, if reaching solidifying white temperature, judge outdoor unit heat exchanger frosting；Or, by monitoring air-conditioning
Whether the duration into heating mode reaches the mode of the first setting duration, judge outdoor unit heat exchanger whether frosting, if reached
To the first setting duration, then show outdoor unit heat exchanger frosting.
Preferably, in such scheme, for the processor 100 after performing when heat exchanger frosting, control air-conditioning enters refrigeration
During pattern, specifically for performing following operate：
Judge whether the outer tube temperature of the pipeline of outdoor unit heat exchanger reaches default outer tube frosting lower limit temperature, if
It is that control air-conditioning enters refrigeration mode.
Preferably, in such scheme, the processor 100 is additionally operable to hold after performing control air-conditioning and entering refrigeration mode
Row is following to be operated：
It is out of service after air-conditioning equipment operation preset time period after outer tube temperature reaches outer tube target temperature；Work as outer tube
When temperature is not up to outer tube target temperature, between the outer tube temperature and the outer tube target temperature that calculate the pipeline of outdoor unit heat exchanger
Temperature difference, the outdoor unit blower fan is controlled to be run with the default gear to match with the temperature difference.
Specifically, processor calculates the temperature between the outer tube temperature of the pipeline of outdoor unit heat exchanger and outer tube target temperature
Difference, the outdoor unit blower fan is controlled to be with the default gear operation to match with the temperature difference, it is following specifically for performing
Operation：
When the temperature difference is not more than the first preset temperature value, control outdoor machine fan is run with the first gear；Work as institute
When stating temperature difference less than the first preset temperature value and being not less than the second preset temperature, control outdoor machine fan is transported with the second gear
OK；When the temperature difference is less than the second preset temperature value, control outdoor machine fan is run with third gear；
Wherein, first preset temperature value is more than second preset temperature value, outdoor unit wind during first gear
Outdoor machine fan rotating speed during outdoor machine fan rotating speed ＜ third gears when fanning rotating speed the second gears of ＜.For example, institute in the present embodiment
It can be 10 DEG C to state the first preset temperature value, and the second preset temperature value can be 5 DEG C, and first gear can be outdoor machine of air-conditioner
The low wind shelves of fan, the second gear are the apoplexy shelves of outer machine fan, and third gear is the high wind shelves of outer machine fan.
In technical scheme disclosed in the embodiment of the present application, the condensation water collection can be voluntarily set to fill according to user's request
The concrete structure put, specifically, referring in technical scheme disclosed in the embodiment of the present application, referring to Fig. 4 and Fig. 5, the condensed water
Collection device 200, it can include：
Reservoir, the reservoir are disposed in the outdoor at machine chassis, and at the water inlet face bottom plate of outdoor unit of reservoir
Osculum；
Water drenching pipeline, the water inlet of the water drenching pipeline are connected with the reservoir delivery port, and the water drenching pipeline goes out
The mouth of a river is arranged in the top of outdoor unit heat exchanger 300, is changed with enabling the water that the delivery port of the water drenching pipeline sprays to be sprayed at
On hot device 300；
The pressurized equipment being arranged in reservoir, the pressurized equipment is processor controlled, and the place is got for working as
The water in reservoir is pressurizeed during the enabled instruction of reason device output, to cause the water in the reservoir by water drenching pipeline
Delivery port sprays, and the pressurized equipment is preferably water circulating pump, when processor receives the outdoor unit cleaning command that user sends
Afterwards, to electric on water circulating pump, carried out on the water circulating pump after electricity operation to the water extraction voltage supply power in reservoir to passing through water drenching
Pipeline sprays to condenser, and the water of sprinkling, which flows to, reenters reservoir on bottom plate of outdoor unit.
, also can be by room after the frost melts on the radiator in technical scheme disclosed in the embodiment of the present application
Osculum discharge at outer machine chassis, the water of osculum outflow can flow into the reservoir again, due to the impurity such as frosting and dust
It is combined together, can flows into and contain substantial amounts of magazine in the water of the reservoir, therefore, for convenience to the reservoir
Cleaned, prevent the impurity in reservoir and be sprayed to through water drenching pipeline on radiator, in such scheme, the reservoir with
Removably is arranged at the bottom plate of outdoor unit.One filter structure either is set in the water inlet of the reservoir,
The filter structure is used to filter to flowing into the water in the reservoir.Also, it is additionally provided with spilling water on the reservoir
Hole, for excluding condensed water unnecessary in the reservoir.
In the preferred embodiment of the application one, in order that must spray the water at place can uniformly be sprinkled upon outer machine heat exchanger
On, referring to Fig. 6, the water drenching pipeline is that platy structure is platy structure, is provided with the water drenching pipeline of the platy structure vertical
To multiple through holes through the both ends of the platy structure.Multiple through holes can be evenly distributed on the platy structure in multiple row,
A water pipe is provided with each through hole；The water pipe is docked by total joint with the delivery port of the reservoir.The water pipe
Caliber be preferably D16 millimeters/D12 millimeters, and the diameter of the spray-hole of the face radiator of water pipe be preferably D2 millimeters or
D3 millimeters.
Corresponding to above-mentioned heat exchanger of air conditioner outdoor unit cleaning equipment, disclosed herein as well is a kind of air-conditioning, the air conditioning applications
There is the heat exchanger of air conditioner outdoor unit cleaning equipment described in the application any one embodiment.
For convenience of description, it is divided into various modules during description system above with function to describe respectively.Certainly, this is being implemented
The function of each module can be realized in same or multiple softwares and/or hardware during application.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiment.Especially for system or
For system embodiment, because it is substantially similar to embodiment of the method, so describing fairly simple, related part is referring to method
The part explanation of embodiment.System and system embodiment described above is only schematical, wherein the conduct
The unit that separating component illustrates can be or may not be it is physically separate, can be as the part that unit is shown or
Person may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can root
Factually border needs to select some or all of module therein realize the purpose of this embodiment scheme.Ordinary skill
Personnel are without creative efforts, you can to understand and implement.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think beyond the scope of this invention.
Directly it can be held with reference to the step of method or algorithm that the embodiments described herein describes with hardware, processor
Capable software module, or the two combination are implemented.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
It should also be noted that, herein, such as first and second or the like relational terms are used merely to one
Entity or operation make a distinction with another entity or operation, and not necessarily require or imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to contain
Lid nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (18)
- A kind of 1. heat exchanger of air conditioner outdoor unit cleaning method, it is characterised in that including：When getting clear instruction, control air-conditioning enters heating mode, and control condensed water collecting device heat exchanging device carries out water drenching, The condensed water collecting device is used for the condensed water for collecting outdoor machine of air-conditioner；After heat exchanger frosting, control air-conditioning enters refrigeration mode so that frost melts heel row on outdoor unit to outer machine chassis.
- 2. heat exchanger of air conditioner outdoor unit cleaning method according to claim 1, it is characterised in that described to get cleaning and refer to After order, control air-conditioning enters before heating mode, in addition to：Judge whether air conditioner chamber's outside environment temperature is more than set temperature value, if it is, the clear instruction is not responding to, if It is no, respond the clear instruction and continue executing with.
- 3. heat exchanger of air conditioner outdoor unit cleaning method according to claim 1, it is characterised in that control air-conditioning enters heating After pattern, in addition to：Control indoor set wind deflector gets to the first setting position, and control inner blower is run with the windscreen set；When the wind deflector gets to the first setting position, the air-flow of wind deflector output is blown out obliquely.
- 4. heat exchanger of air conditioner outdoor unit cleaning method according to claim 1, it is characterised in that described to work as heat exchanger frosting Afterwards, control air-conditioning enters refrigeration mode, specifically includes：Judge whether the outer tube temperature of the pipeline of outdoor unit heat exchanger reaches default outer tube frosting lower limit temperature, if it is, control Air-conditioning processed enters refrigeration mode.
- 5. heat exchanger of air conditioner outdoor unit cleaning method according to claim 1, it is characterised in that control air-conditioning enters refrigeration After pattern, in addition to：The temperature difference between the outer tube temperature of the pipeline of outdoor unit heat exchanger and outer tube target temperature is calculated, controls the outdoor unit Blower fan is run with the default gear to match with the temperature difference.
- 6. heat exchanger of air conditioner outdoor unit cleaning method according to claim 5, it is characterised in that control the outdoor unit wind Machine is run with the default gear to match with the temperature difference, including：When the temperature difference is not more than the first preset temperature value, control outdoor machine fan is run with the first gear；When the temperature difference is less than the first preset temperature value and is not less than the second preset temperature, control outdoor machine fan is with second Gear is run；When the temperature difference is less than the second preset temperature value, control outdoor machine fan is run with third gear；Wherein, first preset temperature value is more than second preset temperature value, and outdoor machine fan turns during first gear Outdoor machine fan rotating speed during outdoor machine fan rotating speed ＜ third gears during fast the second gears of ＜.
- 7. a kind of heat exchanger of air conditioner outdoor unit cleaning equipment, including, for controlling the processor of air-conditioning work state, its feature exists In, in addition to：Condensed water collecting device, for carrying out water drenching, the condensation water collection dress according to the control instruction heat exchanging device of processor Put the condensed water for collecting and storing outdoor machine of air-conditioner；The processor is used to call pre-memorized program code, when described program code is performed, for performing following operation：When getting clear instruction, control air-conditioning enters heating mode, and control condensed water collecting device heat exchanging device is drenched Water, the condensed water collecting device are used for the condensed water for storing outdoor machine of air-conditioner；After heat exchanger frosting, control air-conditioning enters refrigeration Pattern so that frost melts heel row on outdoor unit to outer machine chassis.
- 8. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 7, including, the processor is getting cleaning During instruction, control air-conditioning enters before heating mode, is additionally operable to perform following operation：Judge whether air conditioner chamber's outside environment temperature is more than set temperature value, if it is, the clear instruction is not responding to, if It is no, respond the clear instruction and continue executing with.
- 9. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 7, the processor enters in execution control air-conditioning After entering heating mode, it is additionally operable to perform following operation：Control indoor set wind deflector gets to the first setting position, and control inner blower is run with the windscreen set；When the wind deflector gets to the first setting position, the air-flow of wind deflector output is blown out obliquely.
- 10. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 7, the processor works as heat exchanger knot in execution After frost, when control air-conditioning enters refrigeration mode, specifically for performing following operate：Judge whether the outer tube temperature of the pipeline of outdoor unit heat exchanger reaches default outer tube frosting lower limit temperature, if it is, control Air-conditioning processed enters refrigeration mode.
- 11. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 7, the processor enters in execution control air-conditioning After entering refrigeration mode, it is additionally operable to perform following operation：The temperature difference between the outer tube temperature of the pipeline of outdoor unit heat exchanger and outer tube target temperature is calculated, controls the outdoor unit Blower fan is run with the default gear to match with the temperature difference.
- 12. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 7, it is characterised in that the condensation water collection Device, including：Reservoir, the reservoir are disposed in the outdoor at machine chassis, and the row at the water inlet face bottom plate of outdoor unit of reservoir Water hole；Water drenching pipeline, the water inlet of the water drenching pipeline are connected with the reservoir delivery port, the delivery port of the water drenching pipeline It is arranged in above outdoor unit heat exchanger, is sprayed on heat exchangers with the water for enabling the delivery port of the water drenching pipeline to spray；The pressurized equipment being arranged in reservoir, in reservoir during enabled instruction for getting processor output Water is pressurizeed, to cause the water in the reservoir to be sprayed by the delivery port of water drenching pipeline.
- 13. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 12, it is characterised in that the reservoir is with can Dismounting mode is arranged at the bottom plate of outdoor unit.
- 14. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 12, it is characterised in that the reservoir enters Filter structure is provided with the mouth of a river.
- 15. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 12, it is characterised in that on the reservoir also It is provided with spillway hole.
- 16. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 12, it is characterised in that the water drenching pipeline is Platy structure；Multiple through holes of the platy structure are provided through in the platy structure；A water pipe is provided with each through hole；The water pipe is docked by total joint with the delivery port of the reservoir.
- 17. heat exchanger of air conditioner outdoor unit cleaning equipment according to claim 16, it is characterised in that the multiple through hole is in Multiple row is evenly distributed on the platy structure.
- 18. a kind of air-conditioning, it is characterised in that the heat exchanger of air conditioner outdoor unit that application is had the right described in requirement 7-17 any one is clear Wash equipment.
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| CN201710858073.8A CN107449070B (en) | 2017-09-21 | 2017-09-21 | Cleaning method and device for heat exchanger of air conditioner outdoor unit and air conditioner |
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|---|---|---|---|
| CN201710858073.8A CN107449070B (en) | 2017-09-21 | 2017-09-21 | Cleaning method and device for heat exchanger of air conditioner outdoor unit and air conditioner |
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| CN107449070A true CN107449070A (en) | 2017-12-08 |
| CN107449070B CN107449070B (en) | 2023-08-11 |
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| CN201710858073.8A Active CN107449070B (en) | 2017-09-21 | 2017-09-21 | Cleaning method and device for heat exchanger of air conditioner outdoor unit and air conditioner |
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| CN110925891A (en) * | 2019-11-15 | 2020-03-27 | 珠海格力电器股份有限公司 | Air conditioning system, condenser cleaning method, air conditioner and controller |
| CN111380153A (en) * | 2020-03-27 | 2020-07-07 | 广东美的制冷设备有限公司 | High-temperature sterilization control method and device, air conditioner and storage medium |
| CN113154933A (en) * | 2021-04-16 | 2021-07-23 | 重庆中车四方所科技有限公司 | Cleaning device and cleaning method for air conditioner heat exchanger of railway vehicle |
| CN113266919A (en) * | 2021-05-26 | 2021-08-17 | 珠海格力电器股份有限公司 | Fan blade self-cleaning control method for air conditioner external unit and air conditioner |
| CN113932316A (en) * | 2021-10-19 | 2022-01-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Air conditioning equipment and control method thereof, nonvolatile storage medium and processor |
| CN114216231A (en) * | 2021-12-06 | 2022-03-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Control method of air conditioner and air conditioner |
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