CN109114758A - Air conditioner system control method and air conditioner - Google Patents
Air conditioner system control method and air conditioner Download PDFInfo
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- CN109114758A CN109114758A CN201811169722.4A CN201811169722A CN109114758A CN 109114758 A CN109114758 A CN 109114758A CN 201811169722 A CN201811169722 A CN 201811169722A CN 109114758 A CN109114758 A CN 109114758A
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- compressor
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- refrigerant
- tcs
- heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a kind of air conditioner system control method and air conditioner, the air-conditioning system includes: compressor；Heat exchanger, the heat exchanger have refrigerant pipeline and heating pipe road；The outlet of compressor is connected with one end of refrigerant pipeline, and the import of compressor is connected with the other end of refrigerant pipeline；The control method of the air-conditioning system includes at least following steps: the practical condensation temperature Tc of the refrigerant under the pressure is calculated according to the refrigerant pressure of the compressor outlet；Set target condensation temperature Tcs；The frequency of the compressor is adjusted according to the difference between practical condensation temperature Tc and target condensation temperature Tcs.The control method of air-conditioning system according to the present invention can effectively improve the heating efficiency of air conditioner, reduce the energy consumption of air-conditioning system, improve the comfort of air-conditioning system, keep the control of air-conditioning system more accurate.
Description
Technical field
The present invention relates to living electric apparatus fields, more particularly, to a kind of air conditioner system control method and air conditioner.
Background technique
Change the implementation of electric policy and the constraint of installation space with China's coal, can arrange in pairs or groups to use and collect with multi-connected machine and make
Cold, heating, hot water function come into huge numbers of families in the hydraulic module of one more and more.It is the energy saving of hydraulic module, comfortable
The concern increasing by market of property, reliability.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, one object of the present invention
It is to propose that a kind of air conditioner system control method, the control method of the air-conditioning system can effectively improve the heating effect of air conditioner
Rate reduces the energy consumption of air-conditioning system, improves the comfort of air-conditioning system, keeps the control of air-conditioning system more accurate.
The present invention also proposes a kind of air conditioner using above-mentioned air conditioner system control method.
Air conditioner system control method according to the present invention, the air-conditioning system include: compressor；Heat exchanger, the heat exchange
Device has refrigerant pipeline and heating pipe road；The outlet of compressor is connected with one end of refrigerant pipeline, the import of compressor with it is cold
The other end of matchmaker's pipeline is connected；The control method of the air-conditioning system includes at least following steps: according to the compressor outlet
Refrigerant pressure calculate the practical condensation temperature Tc of the refrigerant under the pressure；Set target condensation temperature Tcs；According to practical cold
Difference between solidifying temperature Tc and target condensation temperature Tcs adjusts the frequency of the compressor.
Air conditioner system control method according to the present invention calculates under the pressure according to the refrigerant pressure of compressor outlet
Target condensation temperature Tcs is arranged in the practical condensation temperature Tc of refrigerant, and the frequency of compressor is adjusted according to the difference between Tc and Tcs
Rate adjusts the frequency of compressor in air conditioner more accurate, air-conditioning system is more comfortable to reduce the energy consumption of air conditioner.
According to one embodiment of present invention, the practical leaving water temperature Twout on the heating pipe road is detected, it is current to set
Leaving water temperature Ts adjusts target condensation temperature Tcs according to practical leaving water temperature Twout and setting leaving water temperature Ts.
According to one embodiment of present invention, there are preset value a, Δ Ts and Δ T0, if the Twout≤Ts+a and continuing
Preset time t 1, then Tcs=Twout+ Δ Ts；If Twout > Ts+a and lasting preset time t 2, Tcs=Twout+ Δ T,
And Δ T0≤Δ T < Δ Ts.
According to one embodiment of present invention, the Δ T is gradually decrease to Δ T0 by Δ Ts.
According to one embodiment of present invention, there are preset value b, c, and Tcs+b≤Tc≤Tcs+c, judge that compressor is
No there are frequency limits, if so, compressor is run with limit frequency；Otherwise compressor keeps current frequency operation.
According to one embodiment of present invention, there are preset value b, c, and Tc > Tcs+c, judge compressor with the presence or absence of limit
Frequency reaches low-limit frequency, if so, compressor is run with limit frequency or low-limit frequency；Otherwise compressor frequency reduces, directly
To Tcs+b≤Tc≤Tcs+c or reach low-limit frequency.
According to one embodiment of present invention, there are preset value b, c, and Tc < Tcs+b, judge compressor with the presence or absence of limit
Frequency reaches highest frequency, if so, compressor is run with limit frequency or highest frequency；Otherwise compressor frequency increases, directly
To Tcs+b≤Tc≤Tcs+c or reach highest frequency.
Air-conditioning system according to the present invention is briefly described below.
Air-conditioning system according to the present invention includes: compressor；Heat exchanger, the heat exchanger include: First Heat Exchanger and
Two heat exchangers, the First Heat Exchanger have the first refrigerant opening and the second refrigerant opening, and second heat exchanger has third
Refrigerant opening and the 4th refrigerant opening, the second refrigerant opening are connected with the 4th refrigerant opening, the row of the compressor
Port is selectively connected with one in first refrigerant opening and third refrigerant opening, the air inlet of the compressor
Mouth is selectively connected with another in first refrigerant opening and third refrigerant opening；Heating pipe road, it is described
Heating pipe road with the First Heat Exchanger or second selectively by the First Heat Exchanger or the second heat exchanger to exchange heat
Device carries out heat exchange.
According to one embodiment of present invention, the exhaust outlet of the compressor is connected with first refrigerant opening, described
The air inlet of compressor is connected with third refrigerant opening, and the First Heat Exchanger is passed through on the heating pipe road.
Air-conditioning system according to the present invention uses the control method of above-mentioned air-conditioning system, due to air-conditioning system according to the present invention
System uses the control method of above-mentioned air-conditioning system, therefore the control of the air conditioner is more accurate, and energy consumption is lower, and heating speed is more
Fastly, the usage experience of user is effectively improved.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of air-conditioning system according to the present invention；
Fig. 2 is the flow chart of an air conditioner system control method according to the present invention；
Fig. 3 is the flow chart of another air conditioner system control method according to the present invention.
Appended drawing reference:
Air-conditioning system 100,
Compressor 110,
Heat exchanger 120, refrigerant pipeline 121, heating pipe road 122,
Expansion valve 130.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
100 control method of air-conditioning system according to an embodiment of the present invention, air-conditioning system 100 are described below with reference to Fig. 1-Fig. 3
Including compressor 110 and heat exchanger 120, heat exchanger 120 has refrigerant pipeline 121 and heating pipe road 122；Compressor 110
Outlet is connected with one end of refrigerant pipeline 121, and the import of compressor 110 is connected with the other end of refrigerant pipeline 121, in compressor
Expansion valve 130 is additionally provided between 110 import and the other end of refrigerant pipeline 121.
As shown in figure 3, the control method of air-conditioning system 100 includes at least following steps: being exported according to the compressor 110
Refrigerant pressure calculate the practical condensation temperature Tc of the refrigerant under the pressure；Set target condensation temperature Tcs；According to practical cold
Difference between solidifying temperature Tc and target condensation temperature Tcs adjusts the frequency of the compressor 110.
The control method of air-conditioning system 100 according to the present invention, set target condensation temperature Tcs and practical water outlet water
Warm Twout is related, and target condensation temperature Tcs, which can be remained, is greater than practical output water temperature Twout, to ensure refrigerant pipeline
The temperature of refrigerant is greater than the temperature of water in heating pipe road 122 in 121, makes the water in heating pipe road 122 can be with constant absorption
The heat of refrigerant in refrigerant pipeline 121.
The frequency of compressor 110 can influence the pressure in refrigerant pipeline 121, cold when the frequency of compressor 110 improves
Pressure in matchmaker's pipeline 121 improves, and with the raising of pressure in refrigerant pipeline 121, the practical condensation being calculated is warm
Tc is spent to increase, when the frequency of compressor 110 reduces, pressure reduction in refrigerant pipeline 121, with 121 internal pressure of refrigerant pipeline
The reduction of power, and then the practical condensation temperature Tc that is calculated is reduced, the frequency by controlling compressor 110 can change reality
Border condensation temperature Tc, that is, in refrigerant pipeline 121 refrigerant temperature.
By the difference between practical condensation temperature Tc and set target condensation temperature Tcs, to compressor 110
Frequency is controlled, and the frequency of compressor 110 is made to can achieve optimal state, to realize the energy consumption for reducing air-conditioning system 100,
The heating efficiency for improving air-conditioning system 100, is more energy-saving and environmentally friendly air-conditioning system 100.
100 control method of air-conditioning system according to the present invention calculates the pressure according to the refrigerant pressure that compressor 110 exports
Target condensation temperature Tcs is arranged in the practical condensation temperature Tc of refrigerant under power, adjusts compression according to the difference between Tc and Tcs
The frequency of machine 110 adjusts the frequency of compressor in air conditioner more accurate, makes air-conditioning system to reduce the energy consumption of air conditioner
100 is more comfortable.
According to one embodiment of present invention, the practical leaving water temperature Twout on heating pipe road 122 is detected, it is current to set
Leaving water temperature Ts adjusts target condensation temperature Tcs according to practical leaving water temperature Twout and setting leaving water temperature Ts.Actually go out
Coolant-temperature gage Twout is the leaving water temperature on heating pipe road 122, since practical condensation temperature Tc needs to keep consistently greater than actually going out
Coolant-temperature gage Twout, therefore target condensation temperature Tcs is related with practical leaving water temperature Twout, practical leaving water temperature Twout's
On the basis of plus setting Δ T, to enable the target condensation temperature Tcs in refrigerant pipeline 121 can achieve required preset value.
Specifically, there are preset value a, Δ Ts and Δ T0, if the Twout≤Ts+a and lasting preset time t 1, Tcs
=Twout+ Δ Ts；If Twout > Ts+a and lasting preset time t 2, Tcs=Twout+ Δ T, and Δ T0≤Δ T < Δ
Ts。
Wherein, preset value a is definite value, when practical output water temperature Twout reorders mono- section of value a no more than setting output water temperature Ts
After time t1, enables target condensation temperature Tcs be equal to practical output water temperature Twout and add Δ Ts, when practical output water temperature Twout is greater than
Setting output water temperature Ts reorders value a for a period of time after t2, and target condensation temperature is equal to practical output water temperature and adds Δ T, and Δ T0≤
Δ T < Δ Ts, it can be understood as it is greater than setting output water temperature Ts in practical output water temperature Twout and reorders value a for a period of time after t2,
Target condensation temperature gradually decreases, and Δ T is gradually decrease to Δ T0 by Δ Ts.
According to one embodiment of present invention, there are preset value b, c, and Tcs+b≤Tc≤Tcs+c, judge compressor 110
With the presence or absence of frequency limit, if so, compressor 110 is run with limit frequency；Otherwise compressor 110 keeps current frequency operation.
It should be noted that system is that guarantee itself can if situations such as hypertonia, temperature is excessively high occurs in air-conditioning system
It will do it frequency limit control by property, system sends frequency limit instruction to compressor 110, and the frequency of the compressor 110 after frequency limit can not change
Become.
Preset value b, c are constant, preset value b, c be the difference of target condensation temperature and practical condensation temperature the upper limit and under
Limit, Tcs+b≤Tc≤Tcs+c can be equal to b≤Tc-Tcs≤c, when between target condensation temperature and practical condensation temperature
Difference illustrates under current pressure condition that practical condensation temperature can satisfy current heat transfer requirements between b and c, compression
The frequency of machine 110 is relatively suitble to, and system controls compressor 110 and keeps current frequency.
When practical condensation temperature is in above-mentioned range, need to judge that compressor 110 whether there is frequency limit, if there is
Frequency limit, compressor 110 is then to limit frequency operation, and then compressor 110 keeps current frequency to frequency limit if it does not exist, enables practical condensation
Temperature is maintained between Tcs+b and Tcs+c, is adjusted woth no need to the frequency to compressor 110.
According to one embodiment of present invention, there are preset value b, c, and Tc > Tcs+c, judge whether compressor 110 is deposited
In frequency limit or reach low-limit frequency, if so, compressor 110 is run with limit frequency or low-limit frequency；Otherwise 110 frequency of compressor
Rate reduces, until the frequency of Tcs+b≤Tc≤Tcs+c or compressor 110 reaches low-limit frequency.
When practical condensation temperature Tc, which is greater than target condensation temperature Tcs, adds preset value c, then illustrate practical condensation temperature mistake
Height needs to reduce by 110 frequency of compressor, to reduce practical condensation temperature, first determines whether that compressor 110 whether there is frequency limit, such as
There are frequency limit so compressors 110 to be run with limit frequency for fruit compressor 110；Further judge whether compressor 110 reaches most
Low frequency, if compressor 110 has had reached low-limit frequency and can not be further continued for adjusting, compressor 110 is with low-limit frequency
Operation keeps current low-limit frequency to reduce the energy consumption of air-conditioning system 100.
When compressor 110 does not both reach there is no frequency limit low-limit frequency yet, then the frequency of system control compressor 110
Frequency reduces, to reduce the practical condensation temperature Tc in refrigerant pipeline 121, until practical condensation temperature Tc meets Tcs+b≤Tc
≤ Tcs+c does not continue to then reduce or the frequency of compressor 110 is reduced to low-limit frequency that can not continue to adjust.
It, can be when practical condensation temperature Tc be excessively high, through the frequency for reducing compressor 110 by above-mentioned adjusting method
To reduce the energy consumption of air-conditioning system.
According to one embodiment of present invention, there are preset value b, c, and Tc < Tcs+b, judge whether compressor 110 is deposited
In frequency limit or reach highest frequency, if so, compressor 110 is run with limit frequency or highest frequency；Otherwise 110 frequency of compressor
Rate increases, and up to Tcs+b≤Tc≤Tcs+c or reaches highest frequency.
When practical condensation temperature Tc, which is less than target condensation temperature Tcs, adds preset value b, then illustrate practical condensation temperature mistake
It is low, it needs to improve 110 frequency of compressor, to improve practical condensation temperature Tc, first determines whether that compressor 110 whether there is frequency limit,
If there are frequency limit so compressors 110 to be run with limit frequency for compressor 110；Further judge whether compressor 110 reaches
Highest frequency, if compressor 110 has had reached highest frequency and can not be further continued for adjusting, compressor 110 is with most high frequency
Rate operation, keeps current highest frequency, with the heating speed for enabling air-conditioning system 100 keep current, enables in heating pipe road 122
Water can quickly heat.
When compressor 110 does not both reach there is no frequency limit highest frequency yet, then the frequency of system control compressor 110
It improves, to improve the practical condensation temperature Tc in refrigerant pipeline 121, until practical condensation temperature Tc meets Tcs+b≤Tc≤Tcs
+ c, which does not continue to then to improve, or the frequency of compressor 110 is improved to highest frequency can not continue to adjust.
It, can be when practical condensation temperature Tc be too low, through the frequency for improving compressor 110 by above-mentioned adjusting method
Rate improves the practical condensation temperature Tc of refrigerant in refrigerant pipeline 121, improves between refrigerant pipeline 121 and heating pipe road 122
Heat exchange efficiency, so that the water in heating pipe road is rapidly heated, improve air-conditioning system 100 comfort level.
Air-conditioning system 100 according to the present invention is briefly described below.
Air-conditioning system 100 according to the present invention includes compressor, heat exchanger 120 and heating pipe road 122, wherein heat exchange
Device 120 includes: First Heat Exchanger and the second heat exchanger, and First Heat Exchanger has the first refrigerant opening and the second refrigerant opening, the
Two heat exchangers have third refrigerant opening and the 4th refrigerant opening, and the second refrigerant opening is connected with the 4th refrigerant opening, compressor
Exhaust outlet be selectively connected with one in the first refrigerant opening and third refrigerant opening, the air inlet of compressor is optional
Ground and the first refrigerant be open and third refrigerant opening in another be connected；Heating pipe road 122 is selectively changed by first
Hot device or the second heat exchanger are to carry out heat exchange with First Heat Exchanger or the second heat exchanger, to realize 100 pairs of air-conditioning system heating
Liquid in water lines 122 is heated or is freezed.
According to one embodiment of present invention, the exhaust outlet of compressor is connected with the first refrigerant opening, the air inlet of compressor
Mouth is connected with third refrigerant opening, and First Heat Exchanger is passed through on heating pipe road 122, and First Heat Exchanger can be condenser, refrigerant
It condenses in First Heat Exchanger and is heated with discharging heat to the liquid in heating pipe road 122.
Air-conditioning system 100 according to the present invention uses the control method of above-mentioned air-conditioning system 100, due to according to the present invention
Air-conditioning system 100 uses above-mentioned control method, therefore the control of the air conditioner is more accurate, and energy consumption is lower, heating speed faster,
Effectively improve the usage experience of user.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of air conditioner system control method, the air-conditioning system includes: compressor；Heat exchanger, the heat exchanger have refrigerant
Pipeline and heating pipe road；The outlet of compressor is connected with one end of refrigerant pipeline, the import of compressor and refrigerant pipeline it is another
One end is connected；
It is characterized in that, the control method of the air-conditioning system includes at least following steps:
The practical condensation temperature Tc of the refrigerant under the pressure is calculated according to the refrigerant pressure of the compressor outlet；
Set target condensation temperature Tcs；
The frequency of the compressor is adjusted according to the difference between practical condensation temperature Tc and target condensation temperature Tcs.
2. air conditioner system control method according to claim 1, which is characterized in that detect the reality on the heating pipe road
Border leaving water temperature Twout, it is current to set leaving water temperature Ts, it is adjusted according to practical leaving water temperature Twout and setting leaving water temperature Ts
Whole target condensation temperature Tcs.
3. air conditioner system control method according to claim 2, which is characterized in that there are preset value a, Δ Ts and Δs
T0 the, if Twout≤Ts+a and lasting preset time t 1, Tcs=Twout+ Δ Ts；If Twout > Ts+a and continuing pre-
If time t2, then Tcs=Twout+ Δ T, and Δ T0≤Δ T < Δ Ts.
4. air conditioner system control method according to claim 3, which is characterized in that the Δ T is gradually decreased by Δ Ts
To Δ T0.
5. air conditioner system control method described in any one of -4 according to claim 1, which is characterized in that there are preset value b, c,
And Tcs+b≤Tc≤Tcs+c, compressor is judged with the presence or absence of frequency limit, if so, compressor is run with limit frequency；Otherwise it presses
Contracting machine keeps current frequency operation.
6. air conditioner system control method described in any one of -4 according to claim 1, which is characterized in that there are preset value b, c,
And Tc > Tcs+c, compressor is judged with the presence or absence of frequency limit or reaches low-limit frequency, if so, compressor is with limit frequency or most
Low frequency operation；Otherwise compressor frequency reduces, and up to Tcs+b≤Tc≤Tcs+c or reaches low-limit frequency.
7. air conditioner system control method described in any one of -4 according to claim 1, which is characterized in that there are preset value b, c,
And Tc < Tcs+b, compressor is judged with the presence or absence of frequency limit or reaches highest frequency, if so, compressor is with limit frequency or most
High-frequency operation；Otherwise compressor frequency increases, and up to Tcs+b≤Tc≤Tcs+c or reaches highest frequency.
8. a kind of air-conditioning system characterized by comprising
Compressor；
Heat exchanger, the heat exchanger include: First Heat Exchanger and the second heat exchanger, and there is the First Heat Exchanger the first refrigerant to open
Mouth and the second refrigerant opening, second heat exchanger have third refrigerant opening and the 4th refrigerant opening, and second refrigerant is opened
Mouthful is connected with the 4th refrigerant opening, the exhaust outlet of the compressor is selectively open with first refrigerant and described the
One in three refrigerants opening is connected, and the air inlet of the compressor is selectively open with first refrigerant and the third
Another in refrigerant opening is connected；
The First Heat Exchanger or the second heat exchanger are passed through selectively with described in heating pipe road, the heating pipe road
One heat exchanger or the second heat exchanger carry out heat exchange.
9. air-conditioning system according to claim 8, which is characterized in that the exhaust outlet of the compressor and first refrigerant
Opening is connected, and the air inlet of the compressor is connected with third refrigerant opening, and the heating pipe road passes through described first
Heat exchanger.
10. air-conditioning system according to claim 8, which is characterized in that including control of any of claims 1-7
Method processed.
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| CN110145906A (en) * | 2019-05-16 | 2019-08-20 | 广东美的暖通设备有限公司 | Coolant circulating system and its control method and computer readable storage medium |
| CN110160126A (en) * | 2019-04-18 | 2019-08-23 | 广东智科电子股份有限公司 | Frequency conversion heating multi-connected machine control method, device, equipment and storage medium |
| CN111397140A (en) * | 2020-04-14 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Air conditioner control method and device and air conditioner |
| CN111595001A (en) * | 2020-05-18 | 2020-08-28 | 广东美的暖通设备有限公司 | Air conditioning system, control method thereof, control device thereof and readable storage medium |
| CN113834150A (en) * | 2021-09-27 | 2021-12-24 | 广东美的制冷设备有限公司 | Multi-online heat pump system, control method thereof and computer readable storage medium |
| WO2024060561A1 (en) * | 2022-09-19 | 2024-03-28 | 广东美的制冷设备有限公司 | Method and apparatus for controlling outdoor fan of air conditioner, and air conditioner and storage medium |
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