CN108361931A - Multi-connected machine self cleaning method and multi-online air-conditioning system - Google Patents
Multi-connected machine self cleaning method and multi-online air-conditioning system Download PDFInfo
- Publication number
- CN108361931A CN108361931A CN201810163194.5A CN201810163194A CN108361931A CN 108361931 A CN108361931 A CN 108361931A CN 201810163194 A CN201810163194 A CN 201810163194A CN 108361931 A CN108361931 A CN 108361931A
- Authority
- CN
- China
- Prior art keywords
- indoor unit
- preset
- temperature
- refrigeration mode
- cleaning method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor units
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Abstract
A kind of multi-connected machine self cleaning method and multi-online air-conditioning system provided in an embodiment of the present invention.The method is applied to multi-online air-conditioning system, and the multi-online air-conditioning system includes multiple indoor units, the method includes：It according to preset compressor frequency, controls the indoor unit and enters refrigeration mode, and the wind turbine of the control indoor unit is out of service；The corresponding mean evaporating temperatures information of the indoor unit in the refrigeration mode is obtained according to preset period of time；The compressor frequency is adjusted according to the mean evaporating temperatures information, so that each indoor unit meets and preset exits cryogenic conditions；It controls the indoor unit and enters heating mode, to complete to clean.This programme carries out compressor frequency adjustment by also operating in the mean evaporating temperatures information of the indoor unit of refrigeration mode, it is ensured that each indoor unit can reach ideal frosting effect, and then can ensure that the final cleaning performance of each indoor unit.
Description
Technical field
The present invention relates to multi-connected machine technology field, more particularly to a kind of multi-connected machine self cleaning method and multi-gang air-conditioner system
System.
Background technology
Multi-line system i.e. be commonly called as " one drag it is more ", in recent years, the spy that multi-line system is energy saving with its, operating cost is low
Property is increasingly favored by user.By taking multi-online air-conditioning system as an example, piping connection two or two is utilized by an outdoor unit
The above indoor unit of platform.More outdoor units additionally increased cost has been saved, but had been controlled since one drags more characteristics to result in
The problems such as journey underaction, and then it is ineffective so that partial function is realized.Wherein, the influence to air conditioner self-cleaning function is very
Greatly.
Since air-conditioning is used for a long time, the heat exchanger dust accumulation of air conditioner room unit is unavoidable.And dust accumulation, which seriously affects, to be changed
The heat transfer effect of hot device, and then user's using effect is affected, the air conditioner auto-cleaning method provided in the related technology is in more
More accuracy is inadequate for online air-conditioning system, and automatic cleaning performance is not apparent.
Therefore, a kind of multi-connected machine self cleaning method that can effectively solve the above problems of research and development needs urgently to solve at present
Technical problem.
Invention content
In view of this, the present invention is directed to propose a kind of multi-connected machine self cleaning method, to solve indoor unit in multi-line system
The bad problem of cleaning performance.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of multi-connected machine self cleaning method, the method are applied to multi-online air-conditioning system, the multi-online air-conditioning system
Including multiple indoor units, the method includes：According to preset compressor frequency, controls the indoor unit and enter refrigeration mould
Formula, and the wind turbine of the control indoor unit are out of service；It is obtained in described in the refrigeration mode according to preset period of time
The corresponding mean evaporating temperatures information of indoor unit；The compressor frequency is adjusted according to the mean evaporating temperatures information
It is whole, so that each indoor unit meets and preset exits cryogenic conditions；It controls the indoor unit and enters heating mode, so as to complete
At cleaning.
Further, the step of being adjusted to the compressor frequency according to the mean evaporating temperatures information include：
If the mean evaporating temperatures information is higher than preset target evaporating temperature, and evaporating temperature is less than the target evaporating temperature
Ratio between the indoor unit and the indoor unit in the refrigeration mode is less than predetermined ratio, then according to presetting
Raising frequency parameter the compressor frequency is adjusted；If the mean evaporating temperatures information is less than preset target evaporation temperature
The corresponding evaporating temperature of the indoor unit in degree or the indoor unit in the refrigeration mode more than predetermined ratio is less than
When the preset target evaporating temperature, stop the adjustment to the compressor frequency.
Further, the raising frequency parameter includes according to the corresponding average evaporation temperature of each preset period of time
It spends information and generates the corresponding raising frequency parameter.
Compared with the existing technology, multi-connected machine self cleaning method of the present invention has the advantage that：
(1) multi-connected machine self cleaning method of the present invention, it is out of service by the wind turbine for controlling the indoor unit, and control
It makes after the indoor unit enters refrigeration mode with preset compressor frequency, is obtained in described according to preset period of time
The corresponding mean evaporating temperatures information of the indoor unit of refrigeration mode, according to the mean evaporating temperatures information to the compression
Unit frequency is adjusted, so that all indoor units can reach expected frosting effect and each indoor unit is made to meet in advance
If exit cryogenic conditions.The indoor unit is controlled after exiting refrigeration mode and enters heating mode, makes every indoor unit frost
Flower is to complete to clean.Namely compressor frequency is carried out by also operating in the mean evaporating temperatures information of the indoor unit of refrigeration mode
Rate adjusts, it is ensured that each indoor unit can reach ideal frosting effect, and then can ensure that final clear of each indoor unit
Wash effect.
(2) multi-connected machine self cleaning method of the present invention, also by being higher than preset mesh in mean evaporating temperatures information
Mark evaporating temperature, and evaporating temperature less than the target evaporating temperature the indoor unit be in the refrigeration mode it is described
Ratio between indoor unit just carries out compressor frequency adjusting when being less than predetermined ratio, avoids the adjusting compressor frequency of blindness
The problems such as frosting is uneven caused by rate.
(3) multi-connected machine self cleaning method of the present invention, also by corresponding according to each preset period of time
The mean evaporating temperatures information determines the mode of corresponding raising frequency parameter, it is ensured that peaceful controllable precise every time.
It is clear to solve indoor unit in multi-line system another object of the present invention is to propose a kind of multi-online air-conditioning system
Wash ineffective problem.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of multi-online air-conditioning system, the multi-online air-conditioning system include multiple indoor units, the multi-gang air-conditioner system
System includes：Control module enters refrigeration mode, and control for controlling the indoor unit according to preset compressor frequency
The wind turbine of the indoor unit is out of service；Acquisition module, for being obtained in the refrigeration mode according to preset period of time
The corresponding mean evaporating temperatures information of the indoor unit；Module is adjusted, is used for according to the mean evaporating temperatures information to described
Compressor frequency is adjusted, so that each indoor unit meets and preset exits cryogenic conditions；Control module is additionally operable to control
It makes the indoor unit and enters heating mode, to complete to clean.
The multi-online air-conditioning system and above-mentioned multi-connected machine self cleaning method compared with the existing technology possessed by advantage phase
Together, details are not described herein.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of multi-online air-conditioning system shown in the embodiment of the present invention；
Fig. 2 is a kind of step flow chart of multi-connected machine self cleaning method shown in the embodiment of the present invention；
Fig. 3 is the step flow chart of another multi-connected machine self cleaning method shown in the embodiment of the present invention；
Fig. 4 is a kind of another part of the structural schematic diagram of multi-online air-conditioning system shown in the embodiment of the present invention.
Fig. 5 is a kind of schematic diagram of multi-online air-conditioning system shown in the embodiment of the present invention.
Icon：1- multi-online air-conditioning systems；2- outdoor units；3- indoor units；The first temperature sensors of 4-；5- second temperatures pass
Sensor；6- third temperature sensors；7- control modules；8- acquisition modules；9- adjusts module.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Air conditioner industry has been developed many years, after air-conditioning is used for a long time, due to the more influence heat transfer effect of heat exchanger dust accumulation,
To affect user's using effect.It is solving the problems, such as to realize that air-conditioning cleans this automatically, the elder generation generally used in the related technology
The simple control mode heated after refrigeration, although inventor is it has been observed which has multi-connected machine for common air-conditioning utensil
Interior machine system, control is too simple, and the automatic cleaning performance of every indoor unit cannot be made to reach expected.
In addition, as shown in Figure 1, the multi-gang air-conditioner device system being previously mentioned in an embodiment of the present invention may include one
Outdoor unit 2 and with its pass through piping connect more indoor units 3.The compressor frequency mentioned in the embodiment of the present invention is compressor
Running frequency.The steaming mentioned in the embodiment of the present invention into coil temperature be indoor unit 3 evaporator coil inlet at temperature,
The temperature for steaming the coil outlet for the evaporator that coil temperature is indoor unit 3, coil temperature is the evaporator of indoor unit 3 in steaming
Coil pipe temperature.Further, the evaporating temperature mentioned in the embodiment of the present invention be indoor unit 3 steaming into coil temperature, steam
Middle coil temperature and the mean value for steaming coil temperature.The mean evaporating temperatures information mentioned in the embodiment of the present invention is that multi-connected machine is empty
The mean value of the evaporating temperature of all indoor units 3 in refrigeration mode in adjusting system 1.
First embodiment
Referring to FIG. 2, Fig. 2 shows a kind of multi-connected machine self cleaning methods provided in an embodiment of the present invention.The multi-connected machine
Self cleaning method is applied to multi-online air-conditioning system 1 shown in FIG. 1.As shown in Fig. 2, the multi-connected machine self cleaning method includes：
Step S101 controls the indoor unit 3 and enters refrigeration mode, and control according to preset compressor frequency
The wind turbine of the indoor unit 3 is out of service.
In embodiments of the present invention, when multi-online air-conditioning system 1 receives the automatic cleaning refrigeration of user's triggering, control is more
Online air-conditioning system 1 enters refrigeration mode, and the compressor for starting outdoor unit 2 is run with preset compressor frequency, controls
The wind turbine of indoor unit 3 is out of service, avoids wind turbine from having an impact frosting and generates undesirable experience to user.Preferably, in advance
The compressor frequency first set can be the arbitrary value between (50~60) HZ, enter refrigeration mode controlling the indoor unit 3,
And after control wind turbine is out of service, after control compressor is run 5~6 minutes with preset compressor frequency, flow
Enter step S102.
It is corresponding average to obtain the indoor unit 3 in the refrigeration mode according to preset period of time by step S102
Evaporating temperature information.
The above-mentioned indoor unit 3 in refrigeration mode is that the frosting effect of evaporator is also not up to the indoor unit 3 of degree.
Whether can reach preset it should be noted that whether the frosting effect of indoor unit 3 reaches ideal according to it and exit system
Cool condition determines.When any 3 frosting effect of an indoor unit reaches desired level, controls it and exit refrigeration mode.Exit refrigeration
The mode of pattern can close the 3 corresponding expansion valve of indoor unit.
Preferably, the arbitrary value that the cycle duration of preset period of time can be between 20~40s.For example, cycle duration
For 30s, then 0-30s is first preset period of time；30-60s is second preset period of time.
In embodiments of the present invention, can obtain every respectively in each preset period of time to be in the refrigeration mould
The steaming of the indoor unit 3 of formula into coil temperature, steam coil temperature and steam in coil temperature.It is steamed into coil pipe temperature according to described
It spends, steam coil temperature in coil temperature and steaming, calculate separately every 3 corresponding evaporating temperature of the indoor unit.Further according to every
The evaporating temperature of platform indoor unit 3 generates the mean evaporating temperatures information.For example, multi-online air-conditioning system 1 includes 10
Indoor unit 3 has 8 also in refrigeration mode, remaining 2 have dropped out refrigeration mode, then pre- at this in a preset period of time
If acquired respectively in the time cycle steamings of this 8 indoor units 3 in refrigeration mode into coil temperature, steam coil temperature and steaming
Middle coil temperature, according to the steaming of this 8 indoor units 3 into coil temperature, steam coil temperature and steam in coil temperature, generate respectively
Every 3 corresponding evaporating temperature of indoor unit.The average value for calculating this 8 indoor units, 3 corresponding evaporating temperature again is steamed as average
Send out temperature information.
Step S103 is adjusted the compressor frequency according to the mean evaporating temperatures information, so that each institute
It states indoor unit 3 and meets and preset exit cryogenic conditions.
In the embodiment of the present invention, in each preset time all in accordance with corresponding mean evaporating temperatures information to the compressor
Frequency is adjusted.
Optionally, if corresponding mean evaporating temperatures information is higher than preset target evaporating temperature, and evaporating temperature is less than
Ratio between the indoor unit 3 of the target evaporating temperature and the indoor unit 3 in the refrigeration mode is less than
Predetermined ratio is then adjusted the compressor frequency according to presetting raising frequency parameter in the preset period of time.Specifically
Ground can carry out first compression unit frequency increase in the preset period of time according to raising frequency parameter, and only raising frequency is effective.
Optionally, if mean evaporating temperatures information is less than preset target evaporating temperature or the institute in the refrigeration mode
It states the 3 corresponding evaporating temperature of the indoor unit in indoor unit 3 more than predetermined ratio and is less than the preset target evaporating temperature
When, stop the adjustment to the compressor frequency in the preset period of time.
Preferably, above-mentioned target evaporating temperature may belong to the arbitrary value between -2~-4 DEG C.Above-mentioned predetermined ratio can be with
It is 4/5.
Above-mentioned presetting raising frequency parameter can be obtained according to following manner：It is obtained according to corresponding preset period of time
Mean evaporating temperatures information generates the corresponding raising frequency parameter.Preferably, the average evaporation obtained according to preset period of time
Temperature information utilizes formula：
△ T=(T1+T2+T3)/3+ (△ a)),
It calculates in the corresponding raising frequency parameter of the preset period of time.Wherein, △ T are corresponding raising frequency parameter；(T1+T2+
T3)/3 it is mean evaporating temperatures information；T1 is the mean value steamed into coil temperature；T2 is the mean value for steaming coil temperature；T3 is to steam
The mean value of middle coil temperature；△ a are the arbitrary value between 2~4.
After compressor start, also needs the indoor unit 3 that real-time detection operates in refrigeration mode whether to meet and exit refrigeration
Condition, optionally, multi-connected machine self cleaning method provided in an embodiment of the present invention can also include：If the indoor unit 3 is corresponding
The time that evaporating temperature persistently meets preset condition is more than predetermined first duration, and the run time of the compressor is more than default
The second duration, control the indoor unit 3 and exit the refrigeration mode.If the run time of the compressor is more than preset third
Duration, the indoor unit 3 of the control in the refrigeration mode exit the refrigeration mode.Above-mentioned preset condition can be evaporation
Temperature is less than temperature value, and above-mentioned temperature value can be the arbitrary value between -10~-12 DEG C.The value of above-mentioned predetermined first duration
It can be the arbitrary value between 5~10s.The value of above-mentioned second duration can be 5~6min.Above-mentioned preset third duration
Value can be 15~18min.For example, temperature value be -11 DEG C, it is predetermined first when a length of 7s, second when a length of 6min, when third
A length of 16min detects any one indoor unit 3 corresponding evaporation temperature after the run time of compressor alreadys exceed 6min
Degree continues 7s and is less than -11 DEG C, and the expansion valve for controlling the indoor unit 3 is closed, so that the indoor unit 3 exits refrigeration mode；It is compressing
After machine operation duration is more than 16min, controls all indoor units 3 also in refrigeration mode and exit refrigeration mode.
Step S104 controls the indoor unit 3 and enters heating mode, to complete to clean.
In embodiments of the present invention, after all indoor units 3 exit refrigeration mode in multi-online air-conditioning system 1, control
All indoor units 3 enter heating mode.Optionally, controlling the mode of the entrance heating mode of all indoor units 3 can be：Compressor
Frequency is adjusted to after between 40~50Hz, opens the expansion valve of all indoor units 3, the four-way valve is controlled and changes working condition,
So that all indoor units 3 are switched into the heating mode.For example, controlling the four-way valve commutation.
Further, after entering 5~6min of heating mode, the multi-line system is obtained according to preset period of time
High pressure temperature.The compressor is controlled according to the high pressure temperature of acquisition and carries out raising frequency, until the high pressure temperature is more than
It is more than the indoor unit 3 of the predetermined ratio in preset target high-pressure temperature or air-conditioning internal machine in the heating mode
Coil temperature is more than the first preset temperature value in the corresponding steaming.Above-mentioned target high-pressure temperature can take between 44~48 DEG C
Arbitrary value, the value of above-mentioned first preset temperature value can be the arbitrary values between 40~45 DEG C.For example, into heating mode
After 5min, high pressure temperature is obtained according to preset period of time, if coil temperature is big during high pressure temperature is no more than 45 DEG C and currently steams
In 40 DEG C of indoor units 3 account for the indoor unit 3 for operating in heating mode ratio be no more than 4/5, then the preset period of time into
Row raising frequency.
Further, in order to ensure the indoor unit 3 for completing defrost can exit heating mode in time, energy-efficient effect is realized
Fruit.The above method can also include：If coil temperature is continued above the second preset temperature in the corresponding steaming of any indoor unit 3
The time of value is more than scheduled 4th duration, controls the indoor unit 3 and exits the heating mode.If the compressor is from described more
It is more than preset 5th duration that online air-conditioning system 1, which switches in the run time that the heating mode starts, and control is in described
The indoor unit 3 of heating mode exits the heating mode.Specifically, the mode of heating mode corresponding room in order to control is exited
Interior machine 3 closes expansion valve.
The value of above-mentioned second preset temperature value can be between 50~55 DEG C.Preferably, the second preset temperature value is 53
℃.The value of above-mentioned scheduled 4th duration can be the arbitrary value between 5~10s.The value of above-mentioned preset 5th duration
It can be the arbitrary value between 10~12min.To, it is ensured that each interior machine defrost in heating process is abundant, and meets and move back
Heating operation is exited in time after going out condition, it is ensured that reliability requirement
Further, in order to reach better cleaning effect, as shown in figure 3, multi-connected machine self cleaning method can also include：
Step S105, control the compressor be stopped and the wind turbine of the indoor unit 3 start so that the indoor unit
3 enter ventilation mode, until the time that the compressor is stopped is more than preset 6th duration.
In embodiments of the present invention, it after all indoor units 3 exit heating mode, controls the compressor and is stopped
And the wind turbine of the indoor unit 3 starts, until the time that the compressor is stopped is more than preset 6th duration, to tie
The entire automatically cleaning of beam.It should be noted that the value of above-mentioned preset 6th duration can be with the arbitrary value between 10~15min.
Second embodiment
Referring to FIG. 4, Fig. 4 shows another portion of the schematic diagram of multi-online air-conditioning system 1 provided in an embodiment of the present invention
Point.The multi-online air-conditioning system 1 further includes the first temperature sensor 4, second temperature sensor 5 and third temperature sensor 6.
The coil pipe that above-mentioned first temperature sensor 4 can be respectively arranged at the evaporator of the indoor unit 3 of every air conditioner enters
On at mouthful, for acquiring the steaming of every indoor unit 3 into coil temperature.Above-mentioned second temperature sensor 5 can be respectively arranged at often
On the coil outlet of the evaporator of the indoor unit 3 of platform air conditioner, coil pipe temperature is steamed for acquire every air conditioner room unit 3
Degree.Third temperature sensor 6 is respectively arranged on the coil pipe of the evaporator of the indoor unit 3 of every air conditioner, for acquiring every
Coil temperature in the steaming of the indoor unit 3 of air conditioner.
Referring to FIG. 5, the multi-online air-conditioning system 1 provided in the embodiment of the present invention further includes：
Control module 7 enters refrigeration mode for controlling the indoor unit 3 according to preset compressor frequency, and
The wind turbine for controlling the indoor unit 3 is out of service.
Acquisition module 8, it is corresponding for obtaining the indoor unit 3 in the refrigeration mode according to preset period of time
Mean evaporating temperatures information.
Module 9 is adjusted, for being adjusted to the compressor frequency according to the mean evaporating temperatures information, so that often
A indoor unit 3, which meets, preset exits cryogenic conditions.
Control module 7 is additionally operable to control the indoor unit 3 into heating mode, to complete to clean.
It is apparent to those skilled in the art that for convenience and simplicity of description, foregoing description it is multi-joint
The specific work process of air conditioner system, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In conclusion a kind of multi-connected machine self cleaning method provided in an embodiment of the present invention and multi-online air-conditioning system.It is described
Method is applied to multi-online air-conditioning system, and the multi-online air-conditioning system includes multiple indoor units, the method includes：According to pre-
The compressor frequency first set controls the indoor unit and enters refrigeration mode, and the wind turbine of the control indoor unit is out of service；
The corresponding mean evaporating temperatures information of the indoor unit in the refrigeration mode is obtained according to preset period of time；According to institute
It states mean evaporating temperatures information to be adjusted the compressor frequency, so that each indoor unit meets and preset exits system
Cool condition；It controls the indoor unit and enters heating mode, to complete to clean.By the indoor unit for also operating in refrigeration mode
Mean evaporating temperatures information carries out compressor frequency adjustment, it is ensured that and each indoor unit can reach ideal frosting effect, into
And it can ensure that the final cleaning performance of each indoor unit.
In several embodiments provided herein, it should be understood that disclosed device and method can also pass through
Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, the flow chart in attached drawing and block diagram
Show the device of multiple embodiments according to the present invention, the architectural framework in the cards of method and computer program product,
Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code
Part, a part for the module, section or code, which includes that one or more is for implementing the specified logical function, to be held
Row instruction.It should also be noted that at some as in the realization method replaced, the function of being marked in box can also be to be different from
The sequence marked in attached drawing occurs.For example, two continuous boxes can essentially be basically executed in parallel, they are sometimes
It can execute in the opposite order, this is depended on the functions involved.It is also noted that every in block diagram and or flow chart
The combination of box in a box and block diagram and or flow chart can use function or the dedicated base of action as defined in executing
It realizes, or can be realized using a combination of dedicated hardware and computer instructions in the system of hardware.
In addition, each function module in each embodiment of the present invention can integrate to form an independent portion
Point, can also be modules individualism, can also two or more modules be integrated to form an independent part.
It, can be with if the function is realized and when sold or used as an independent product in the form of software function module
It is stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially in other words
The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, server or network equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.
And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited
The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of multi-connected machine self cleaning method, which is characterized in that the method is applied to multi-online air-conditioning system (1), described more
Online air-conditioning system (1) includes multiple indoor units (3), the method includes：
According to preset compressor frequency, controls the indoor unit (3) and enter refrigeration mode, and the control indoor unit
(3) wind turbine is out of service；
The corresponding mean evaporating temperatures letter of the indoor unit (3) in the refrigeration mode is obtained according to preset period of time
Breath；
The compressor frequency is adjusted according to the mean evaporating temperatures information, so that each indoor unit (3) is full
Foot is preset to exit cryogenic conditions；
It controls the indoor unit (3) and enters heating mode, to complete to clean.
2. multi-connected machine self cleaning method according to claim 1, which is characterized in that according to the mean evaporating temperatures information
The step of being adjusted to the compressor frequency include：
If the mean evaporating temperatures information is higher than preset target evaporating temperature, and evaporating temperature is less than target evaporation temperature
The indoor unit (3) of degree and the ratio being between the indoor unit (3) of the refrigeration mode are less than predetermined ratio, then
The compressor frequency is adjusted according to presetting raising frequency parameter；
If the mean evaporating temperatures information is less than preset target evaporating temperature or the interior in the refrigeration mode
When being less than the preset target evaporating temperature more than the corresponding evaporating temperature of the indoor unit (3) of predetermined ratio in machine (3),
Stop the adjustment to the compressor frequency.
3. multi-connected machine self cleaning method according to claim 2, which is characterized in that the raising frequency parameter includes according to each
The corresponding mean evaporating temperatures information of the preset period of time generates the corresponding raising frequency parameter.
4. multi-connected machine self cleaning method according to claim 2, which is characterized in that the method further includes：
If the time that the corresponding evaporating temperature of the indoor unit (3) persistently meets preset condition is more than predetermined first duration, and institute
The run time for stating compressor is more than preset second duration, controls the indoor unit (3) and exits the refrigeration mode；
If the run time of the compressor is more than preset third duration, the indoor unit of the control in the refrigeration mode
(3) refrigeration mode is exited.
5. multi-connected machine self cleaning method according to claim 2, which is characterized in that described to be obtained according to preset period of time
The step of indoor unit (3) in the refrigeration mode corresponding mean evaporating temperatures information includes：
Obtain respectively every in the refrigeration mode the indoor unit (3) steaming into coil temperature, steam coil temperature and
Coil temperature in steaming；
According to it is described steam into coil temperature, steam coil temperature and steam in coil temperature, calculate separately every corresponding room
The evaporating temperature of interior machine (3)；
According to the evaporating temperature of indoor unit described in every (3), the mean evaporating temperatures information is generated.
6. multi-connected machine self cleaning method according to claim 5, which is characterized in that multi-online air-conditioning system (1) packet
Outdoor unit (2) is included, the outdoor unit (2) includes four-way valve, controls the indoor unit (3) and includes into heating mode：
It controls the four-way valve and changes working condition, so that all indoor units (3) are switched into the heating mode.
7. multi-connected machine self cleaning method according to claim 5, which is characterized in that control the indoor unit (3) and enter system
After heat pattern, the method further includes：
The high pressure temperature of the multi-line system is obtained according to preset period of time；
The compressor is controlled according to the high pressure temperature of acquisition and carries out raising frequency, until the high pressure temperature is more than preset mesh
Absolute altitude press in temperature or air-conditioning internal machine in the heating mode be more than the predetermined ratio the indoor unit (3) it is corresponding
Coil temperature is more than the first preset temperature value in the steaming.
8. multi-connected machine self cleaning method according to claim 7, which is characterized in that the multi-connected machine self cleaning method also wraps
It includes：
If the time that coil temperature is continued above the second preset temperature value in the corresponding steaming of the indoor unit (3) is more than predetermined
The 4th duration, control the indoor unit (3) and exit the heating mode；
If run time of the compressor since the multi-online air-conditioning system (1) switches in the heating mode is more than pre-
If the 5th duration, control exits the heating mode in the indoor unit (3) of the heating mode.
9. multi-connected machine self cleaning method according to claim 7, which is characterized in that exited in all indoor units (3) described
After heating mode, the multi-connected machine self cleaning method further includes：
Control the compressor be stopped and the wind turbine of the indoor unit (3) start so that the indoor unit (3) enter ventilation
Pattern, until the time that the compressor is stopped is more than preset 6th duration.
10. a kind of multi-online air-conditioning system, which is characterized in that the multi-online air-conditioning system (1) includes multiple indoor units (3),
The multi-online air-conditioning system (1) includes：
Control module (7) enters refrigeration mode for controlling the indoor unit (3) according to preset compressor frequency, and
The wind turbine for controlling the indoor unit (3) is out of service；
Acquisition module (8), it is corresponding for obtaining the indoor unit (3) in the refrigeration mode according to preset period of time
Mean evaporating temperatures information；
Module (9) is adjusted, for being adjusted to the compressor frequency according to the mean evaporating temperatures information, so that each
The indoor unit (3), which meets, preset exits cryogenic conditions；
Control module (7) is additionally operable to control the indoor unit (3) into heating mode, to complete to clean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163194.5A CN108361931B (en) | 2018-02-26 | 2018-02-26 | Multi-split self-cleaning method and multi-split air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810163194.5A CN108361931B (en) | 2018-02-26 | 2018-02-26 | Multi-split self-cleaning method and multi-split air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108361931A true CN108361931A (en) | 2018-08-03 |
| CN108361931B CN108361931B (en) | 2020-05-01 |
Family
ID=63003325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810163194.5A Active CN108361931B (en) | 2018-02-26 | 2018-02-26 | Multi-split self-cleaning method and multi-split air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108361931B (en) |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631658A (en) * | 2018-12-28 | 2019-04-16 | 宁波奥克斯电气股份有限公司 | A kind of evaporator cleaning control method, device and air conditioner |
| CN109764502A (en) * | 2019-03-08 | 2019-05-17 | 广东美的制冷设备有限公司 | Air conditioner and its control method and computer readable storage medium |
| CN109855191A (en) * | 2018-12-14 | 2019-06-07 | 青岛海信日立空调系统有限公司 | Multi-gang air-conditioner device and its control method |
| CN109974193A (en) * | 2019-03-21 | 2019-07-05 | 广东美的制冷设备有限公司 | Control method, air-conditioning system, server, terminal and the medium of air-conditioning system |
| CN110332669A (en) * | 2019-07-16 | 2019-10-15 | 珠海格力电器股份有限公司 | Air-conditioning automatically cleaning control method, air-conditioning and computer readable storage medium |
| CN110873422A (en) * | 2018-08-31 | 2020-03-10 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
| CN110873426A (en) * | 2018-08-31 | 2020-03-10 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
| CN111023267A (en) * | 2019-12-27 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Self-cleaning control method and device and multi-split air conditioner |
| CN111023263A (en) * | 2019-12-25 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Multi-split self-cleaning control method and device and multi-split air conditioner |
| CN111473477A (en) * | 2020-04-23 | 2020-07-31 | 宁波奥克斯电气股份有限公司 | Self-cleaning control method and device, multi-split air conditioning system and storage medium |
| CN112066515A (en) * | 2019-06-11 | 2020-12-11 | 青岛海尔空调电子有限公司 | Control method for air conditioning system, air conditioning control system and air conditioning system |
| WO2020248414A1 (en) * | 2019-06-10 | 2020-12-17 | 青岛海尔空调器有限总公司 | Multi-split air conditioner and method for controlling self-cleaning of same |
| CN113280473A (en) * | 2021-05-31 | 2021-08-20 | 广东美的制冷设备有限公司 | Self-cleaning control method, system, equipment and storage medium of multi-connected air conditioner |
| CN113614457A (en) * | 2020-03-05 | 2021-11-05 | 日立江森自控空调有限公司 | Air conditioner |
| CN113614459A (en) * | 2020-03-05 | 2021-11-05 | 日立江森自控空调有限公司 | Air conditioner |
| CN114216203A (en) * | 2021-12-16 | 2022-03-22 | 珠海格力电器股份有限公司 | Self-cleaning control method of multi-split air conditioner and multi-split air conditioner |
| CN115682395A (en) * | 2022-11-04 | 2023-02-03 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner evaporation temperature control method and device and multi-split air conditioner |
| CN116964388A (en) * | 2021-03-12 | 2023-10-27 | 大金工业株式会社 | Air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03158633A (en) * | 1989-11-17 | 1991-07-08 | Nippon Nohyaku Co Ltd | Air cleaning and ventilating air conditioner and controlling method of air conditioner |
| CN101968249A (en) * | 2010-09-09 | 2011-02-09 | 宁波奥克斯电气有限公司 | Method for regulating normal operating frequency of DC inverter compressor |
| CN106322663A (en) * | 2016-08-24 | 2017-01-11 | 青岛海尔空调器有限总公司 | Self-cleaning control method for air conditioner |
| CN106642540A (en) * | 2016-11-11 | 2017-05-10 | 青岛海尔空调器有限总公司 | Air-conditioning heat exchanger self-cleaning method |
| CN107514680A (en) * | 2017-07-26 | 2017-12-26 | 青岛海尔空调器有限总公司 | Air conditioner room unit |
-
2018
- 2018-02-26 CN CN201810163194.5A patent/CN108361931B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03158633A (en) * | 1989-11-17 | 1991-07-08 | Nippon Nohyaku Co Ltd | Air cleaning and ventilating air conditioner and controlling method of air conditioner |
| CN101968249A (en) * | 2010-09-09 | 2011-02-09 | 宁波奥克斯电气有限公司 | Method for regulating normal operating frequency of DC inverter compressor |
| CN106322663A (en) * | 2016-08-24 | 2017-01-11 | 青岛海尔空调器有限总公司 | Self-cleaning control method for air conditioner |
| CN106642540A (en) * | 2016-11-11 | 2017-05-10 | 青岛海尔空调器有限总公司 | Air-conditioning heat exchanger self-cleaning method |
| CN107514680A (en) * | 2017-07-26 | 2017-12-26 | 青岛海尔空调器有限总公司 | Air conditioner room unit |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873426B (en) * | 2018-08-31 | 2022-04-19 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
| CN110873422B (en) * | 2018-08-31 | 2022-04-15 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
| CN110873422A (en) * | 2018-08-31 | 2020-03-10 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
| CN110873426A (en) * | 2018-08-31 | 2020-03-10 | 青岛海尔空调器有限总公司 | Air conditioner and self-cleaning control method thereof |
| CN109855191A (en) * | 2018-12-14 | 2019-06-07 | 青岛海信日立空调系统有限公司 | Multi-gang air-conditioner device and its control method |
| WO2020119364A1 (en) * | 2018-12-14 | 2020-06-18 | 青岛海信日立空调系统有限公司 | Multi-split air conditioner and control method therefor |
| CN109631658B (en) * | 2018-12-28 | 2020-05-01 | 宁波奥克斯电气股份有限公司 | Evaporator cleaning control method and device and air conditioner |
| CN109631658A (en) * | 2018-12-28 | 2019-04-16 | 宁波奥克斯电气股份有限公司 | A kind of evaporator cleaning control method, device and air conditioner |
| CN109764502B (en) * | 2019-03-08 | 2020-09-11 | 广东美的制冷设备有限公司 | Air conditioner, method of controlling the same, and computer-readable storage medium |
| CN109764502A (en) * | 2019-03-08 | 2019-05-17 | 广东美的制冷设备有限公司 | Air conditioner and its control method and computer readable storage medium |
| CN109974193A (en) * | 2019-03-21 | 2019-07-05 | 广东美的制冷设备有限公司 | Control method, air-conditioning system, server, terminal and the medium of air-conditioning system |
| CN109974193B (en) * | 2019-03-21 | 2021-04-09 | 广东美的制冷设备有限公司 | Control method of air conditioning system, server, terminal and medium |
| WO2020248414A1 (en) * | 2019-06-10 | 2020-12-17 | 青岛海尔空调器有限总公司 | Multi-split air conditioner and method for controlling self-cleaning of same |
| CN112066515A (en) * | 2019-06-11 | 2020-12-11 | 青岛海尔空调电子有限公司 | Control method for air conditioning system, air conditioning control system and air conditioning system |
| CN110332669B (en) * | 2019-07-16 | 2020-09-25 | 珠海格力电器股份有限公司 | Air conditioner self-cleaning control method, air conditioner and computer readable storage medium |
| CN110332669A (en) * | 2019-07-16 | 2019-10-15 | 珠海格力电器股份有限公司 | Air-conditioning automatically cleaning control method, air-conditioning and computer readable storage medium |
| CN111023263A (en) * | 2019-12-25 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Multi-split self-cleaning control method and device and multi-split air conditioner |
| CN111023267A (en) * | 2019-12-27 | 2020-04-17 | 宁波奥克斯电气股份有限公司 | Self-cleaning control method and device and multi-split air conditioner |
| CN113614457A (en) * | 2020-03-05 | 2021-11-05 | 日立江森自控空调有限公司 | Air conditioner |
| CN113614459A (en) * | 2020-03-05 | 2021-11-05 | 日立江森自控空调有限公司 | Air conditioner |
| EP4116635A4 (en) * | 2020-03-05 | 2023-12-06 | Hitachi-Johnson Controls Air Conditioning, Inc. | Air conditioner |
| CN111473477A (en) * | 2020-04-23 | 2020-07-31 | 宁波奥克斯电气股份有限公司 | Self-cleaning control method and device, multi-split air conditioning system and storage medium |
| CN116964388A (en) * | 2021-03-12 | 2023-10-27 | 大金工业株式会社 | Air conditioner |
| CN116964388B (en) * | 2021-03-12 | 2024-02-09 | 大金工业株式会社 | Air conditioner |
| CN113280473A (en) * | 2021-05-31 | 2021-08-20 | 广东美的制冷设备有限公司 | Self-cleaning control method, system, equipment and storage medium of multi-connected air conditioner |
| CN114216203A (en) * | 2021-12-16 | 2022-03-22 | 珠海格力电器股份有限公司 | Self-cleaning control method of multi-split air conditioner and multi-split air conditioner |
| CN115682395A (en) * | 2022-11-04 | 2023-02-03 | 宁波奥克斯电气股份有限公司 | Multi-split air conditioner evaporation temperature control method and device and multi-split air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108361931B (en) | 2020-05-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108361931A (en) | Multi-connected machine self cleaning method and multi-online air-conditioning system | |
| CN105066363B (en) | The defrosting control method and device of air conditioner | |
| CN109114748A (en) | A kind of air-conditioning delays frosting control method, device and air conditioner | |
| CN108361955B (en) | Method for preventing condensation by self-cleaning and air conditioner | |
| CN107228451A (en) | Air conditioner defrosting control method | |
| CN102853502A (en) | Defrosting control method of heat pump air conditioner unit | |
| CN104654685B (en) | The defrosting control method and device of heat pump | |
| CN107084499A (en) | Air conditioner defrosting control method | |
| CN106152381A (en) | Air-conditioner and the defrosting control method of air-conditioner | |
| CN108168026A (en) | Prevent the method and air conditioner of air-conditioning condensation | |
| CN109373538A (en) | A kind of outdoor fan control method, device and air conditioner | |
| CN106482405B (en) | Air-Cooled Heat Pump Unit and its control method, device and system | |
| CN104110766B (en) | A kind of control method of air-conditioner intelligent defrosting | |
| CN110006133A (en) | A kind of air-conditioner defrosting control method, device and air conditioner | |
| CN107270420A (en) | The control method of air conditioner, the control device of air conditioner and air conditioner | |
| CN109506401A (en) | A kind of defrosting control method, system and the storage medium of multi-connected machine heat pump | |
| CN107477798A (en) | Method and apparatus, air-conditioning for the refrigerant that controls air-conditioning | |
| US11181291B2 (en) | DC varaiable speed compressor control method and control system | |
| CN108036471A (en) | Air conditioner dehumidification control method | |
| CN108917094A (en) | A kind of defrosting control method, device and air conditioner | |
| CN107120796A (en) | Air conditioner defrosting control method | |
| CN108444033A (en) | Condensation prevention control method for air conditioner | |
| CN108800462A (en) | Air conditioner inhibits frosting control method | |
| CN108800441A (en) | Multi-connected machine defrosting control method and air conditioning multi-couple machine system | |
| CN108692426A (en) | Air conditioner defrosting control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |