CN108709297A - Air conditioning control method and control device - Google Patents
Air conditioning control method and control device Download PDFInfo
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- CN108709297A CN108709297A CN201810553002.1A CN201810553002A CN108709297A CN 108709297 A CN108709297 A CN 108709297A CN 201810553002 A CN201810553002 A CN 201810553002A CN 108709297 A CN108709297 A CN 108709297A
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- indoor unit
- air
- expansion valve
- conditioning system
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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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
-
- 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
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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)
Abstract
This application discloses a kind of air conditioning control method and control devices, are related to air-conditioning technical field, for temperature or humidity in quickly-conditioning indoor.This method includes：Determine the first indoor unit and the second indoor unit, wherein first indoor unit is to first turn on and indoor environment where it meets the indoor unit of preset condition, and second indoor unit is the indoor unit other than first indoor unit in the multiple indoor unit；It controls cold medium flux in first indoor unit and is more than cold medium flux in second indoor unit.The embodiment of the present application is applied to multi-online air-conditioning system quickly indoor adjusting temperature or humidity.
Description
Technical field
This application involves field of air conditioning more particularly to air conditioning control methods and control device.
Background technology
Indoor temperature, humidity can be adjusted by air-conditioning in the prior art, and then provides the user with comfortable life
Environment living.But when user opens the indoor unit in room, it is often desired to temperature or humidity regulation can be rapidly completed in indoor unit,
To use as early as possible.However air-conditioning in the prior art can not be met the needs of users, thus user is affected to air-conditioning
Usage experience.VRF Air Conditioning System in the prior art controls each indoor unit in the same manner, i.e., multi-joint
Formula air-conditioner set does not distinguish different indoor units, and the refrigeration or heating speed of different indoor units are identical.
In actual use environment, when user opens the indoor unit in room, it is often desired to which indoor unit can be quickly complete
At temperature or humidity regulation, to use as early as possible.However VRF Air Conditioning System in the prior art can not meet user couple
The differentiated demand of temperature or humidity regulation speed, thus affect usage experience of the user to VRF Air Conditioning System.
Invention content
A kind of air conditioning control method of embodiments herein offer and control device, are used for the fast velocity modulation of VRF Air Conditioning System
Save temperature or humidity.
In order to achieve the above objectives, embodiments herein adopts the following technical scheme that：
In a first aspect, embodiments herein provides a method, this method includes：
Determine the first indoor unit and the second indoor unit, wherein first indoor unit be first turn on and its where room
Interior environment meets the indoor unit of preset condition, and second indoor unit is in the multiple indoor unit in addition to described first is indoor
Indoor unit other than machine；
It controls cold medium flux in first indoor unit and is more than cold medium flux in second indoor unit.
Second aspect, embodiments herein provide a kind of device, be applied to include multiple indoor units air-conditioning system,
Described device includes：
Determination unit, for determining the first indoor unit and the second indoor unit, wherein first indoor unit is to first turn on
And indoor environment where it meets the indoor unit of preset condition, second indoor unit be in the multiple indoor unit in addition to
Indoor unit other than first indoor unit；
Control unit is more than refrigerant stream in second indoor unit for controlling cold medium flux in first indoor unit
Amount.
The third aspect, provides a kind of computer readable storage medium of the one or more programs of storage, it is one or
Multiple programs include instruction, and described instruction makes the side of the computer execution as described in relation to the first aspect when executed by a computer
Method.
The air conditioning control method and control device that embodiments herein provides, the power-up sequence by user and practical room
Interior environment determines the first indoor unit and the second indoor unit, need not be additional by the carry out such as line control machine, toggle switch, remote controler
Setting, and the indoor unit opened every time can be different, have flexibility.It is adjusted by the cold medium flux to the first indoor unit
Section so that under working condition, the refrigerant flow rate of the first indoor unit is more than the refrigerant flow rate of the second indoor unit, temperature in quickly-conditioning indoor
Degree or humidity.While flexible determining first indoor unit and the second indoor unit, realize in the first indoor unit and second Room
Machine carries out the purpose of differentiation control.
Description of the drawings
Fig. 1 is the flow diagram one for the air conditioning control method that embodiments herein provides；
Fig. 2 is the flow diagram two for the air conditioning control method that embodiments herein provides；
Fig. 3 is the flow diagram three for the air conditioning control method that embodiments herein provides；
Fig. 4 is the structural schematic diagram one for the air conditioning control device that embodiments herein provides；
Fig. 5 is the structural schematic diagram two for the air conditioning control device that embodiments herein provides.
Specific implementation mode
This application involves air-conditioning system include：Multiple indoor units, compressor, outdoor fan；Indoor unit includes expansion valve；
The air-conditioning system of the application further includes heat exchanger；By cold medium flux in expansion valve and compressor control indoor unit, pass through room
External fan accelerates the heat exchange coefficient of refrigerant in heat exchanger.
The control method and control device of air-conditioning provided by the present application are suitable for above-mentioned air-conditioning system.Pass through power-up sequence
And indoor environment determines the first indoor unit and the second indoor unit, need not carry out volume by line control machine, toggle switch, remote controler etc.
Outer setting, and the indoor unit opened every time can be different, have flexibility.It controls in the first indoor unit cold medium flux and is more than the
Cold medium flux in two indoor units, it is ensured that the first indoor unit of refrigerant priority of supply in air-conditioning system, temperature in quickly-conditioning indoor
Or humidity.
Embodiment 1,
This application provides a kind of control methods of air-conditioning system, are applied to above-mentioned air-conditioning system, shown referring to Fig.1, should
Method includes S101-S102：
S101, the first indoor unit and the second indoor unit are determined.
Wherein, the first indoor unit is to first turn on and indoor environment where it meets the indoor unit of preset condition, the
Two indoor units are the indoor unit other than the first indoor unit in multiple indoor units.
It should be noted that the indoor unit first turned in the embodiment of the present application, refers to First in above-mentioned air-conditioning system
Receive the indoor unit of booting indication signal.The starting-up signal source of indoor unit can be line control machine, remote controler, people in the application
Feel or other are by wired, means, the embodiment of the present application such as wireless do not limit.Preset condition can be in the embodiment of the present application
Can be when indoor humidity height for that when indoor temperature is higher than preset temperature, can be when indoor temperature is less than preset temperature
Can also be when indoor humidity is less than default humidity, the embodiment of the present application does not limit when default humidity.
It should be noted that the First indoor unit only opened has the function of Quick temperature adjustment or humidity, subsequently open
The indoor unit opened does not have quick regulatory function.
Cold medium flux is more than cold medium flux in the second indoor unit in S102, the first indoor unit of control.
It should be noted that cold medium flux can be controlled by expansion valve and compressor in indoor unit.Optionally, reference
Shown in Fig. 2, step S102 may include S201：
S201, the aperture for controlling the first expansion valve are more than the aperture of the second expansion valve.
It should be noted that the first expansion valve is the expansion valve of the first indoor unit, the second expansion valve is the swollen of the second indoor unit
Swollen valve.
Optionally, with reference to shown in Fig. 3, this method can also include S301-S302：
S301, according to the ratio of the total capacity of the capacity and air-conditioning system of the first indoor unit, the overall expansion valve of air-conditioning system
Aperture and the correction factor of heat exchanger the aperture of the first expansion valve is calculated.
Specific formula for calculation can be：
Wherein, EVI1For the aperture of the first expansion valve, EVItotalFor the aperture of overall expansion valve, HP1For the first indoor unit
The horsepower number i.e. capacity of the first indoor unit,For the total capacity of gross horse power number, that is, air-conditioning system of air-conditioning system, K
For the total quantity of indoor unit in air-conditioning system, HPthon(i)Horsepower for i-th indoor unit in air-conditioning system is i-th indoor unit
Capacity, S be heat exchanger correction factor.
Wherein, table 1 is the correction factor S being worth to according to the gas-liquid pipe temperature difference of heat exchanger.
Table 1
Wherein, SH be heat exchanger gas-liquid pipe temperature difference, the value be integer and can represent coolant quantity number, Trg is
Temperature when refrigerant is gaseous state in heat exchanger, Trl are temperature when refrigerant is liquid in heat exchanger, and controlling cycle T is swollen
The aperture calculating cycle of swollen valve.
Using above-mentioned correction factor S, the aperture of the expansion valve of the scheme progress of the application calculates, and is preventing
While compressor returns liquid, the performance of heat exchanger is performed to ultimate attainment.
S302, according to the ratio of the total capacity of the capacity and air-conditioning system of the second indoor unit and the overall expansion of air-conditioning system
The aperture of the second expansion valve is calculated in the aperture of valve.
Specific formula for calculation is：
Wherein, EVI2For the aperture of the second expansion valve, EVItotalFor the aperture of overall expansion valve, HP2For the second indoor unit horse
The power number i.e. capacity of the second indoor unit,For whole indoor units of gross horse power number, that is, air-conditioning system of air-conditioning system
Capacity summation, K are the total quantity of indoor unit in air-conditioning system, HPthon(i)Horsepower for i-th indoor unit in air-conditioning system is
The capacity of i platform indoor units.
Optionally, with reference to shown in Fig. 2, step S102 can also include S202：
S202, the first raising frequency rate of control are more than the second raising frequency rate；It controls first frequency thresholding and is more than second frequency door
Limit.
It should be noted that the first raising frequency rate be the first indoor unit work when compressor raising frequency rate, the second raising frequency speed
Rate is the raising frequency rate of compressor when the second indoor unit works；First frequency thresholding is the first raising frequency rate of the first indoor unit
The upper limit, second frequency thresholding are the upper limit of the second raising frequency rate of the second indoor unit.
Illustratively, the first raising frequency rate is 3.5Hz/s, and the second raising frequency rate is 2Hz/s；First frequency thresholding is 85-
88Hz, second frequency thresholding are 70-75Hz.
Optionally, with reference to shown in Fig. 2, this method can also include：
S203, the first rotating speed for controlling outdoor fan are more than the second rotating speed.
It should be noted that the first rotating speed be the first indoor unit work when outdoor fan rotating speed, the second rotating speed be second Room
The rotating speed of outdoor fan when interior machine work makes refrigerant heat exchange by outdoor fan rotating speed when accelerating the work of the first indoor unit
It is more efficient, to maintain the normal condensing pressure of air-conditioning, ensure the stabilization of operation of air conditioner when Quick temperature adjustment or humidity.
Illustratively, the first rotating speed be 820-850 revolutions per minutes (Revolution Per Minute, RPM), second
Rotating speed is 760-800RPM.
It should be noted that method provided by the present application occurs over just the startup stage of indoor unit, wherein the startup of indoor unit
Stage can be to switch to be switched on from shutdown, or switch to be switched on from standby, the embodiment of the present application does not limit.When the first Room
After temperature or humidity reach user's requirement in the room of interior machine, air-conditioning system no longer carries out Quick temperature adjustment or humidity, expansion
The aperture of valve switchs to the aperture of the second expansion valve from the aperture of the first expansion valve, and the raising frequency rate of compressor is from the first raising frequency rate
Switch to the second raising frequency rate and frequency threshold and switch to second frequency frequency threshold from first frequency thresholding, outdoor fan rotating speed from
First rotating speed switchs to the second rotating speed, and air-conditioning system enters the usual stage at this time.
Air conditioning control method provided by the present application determines the first indoor unit and second Room by power-up sequence and indoor environment
Interior machine need not carry out extra setup, and the indoor unit opened every time by line control machine, toggle switch, remote controler etc.
Difference has flexibility.It controls cold medium flux in the first indoor unit and is more than cold medium flux in the second indoor unit, it is ensured that air-conditioning
The first indoor unit of refrigerant priority of supply in system, temperature or humidity in quickly-conditioning indoor.
Embodiment 2,
This application provides a kind of air conditioning control devices, are applied to the above method.With reference to shown in Fig. 4, the device 400 packet
It includes：
Determination unit 401, for determining the first indoor unit and the second indoor unit, wherein the first indoor unit is to first turn on
And indoor environment where it meets the indoor unit of preset condition, and the second indoor unit is in multiple indoor units in addition to the first interior
Indoor unit other than machine.
Control unit 402, the cold medium flux being more than in the first indoor unit for controlling the cold medium flux in the first indoor unit.
Optionally, control unit 402 specifically can be used for：
The aperture for controlling the first expansion valve is more than the aperture of the second expansion valve, wherein the first expansion valve is the first indoor unit
Expansion valve, the second expansion valve be the second indoor unit expansion valve.
Optionally, referring to Figure 5, control device 400 further includes computing unit 501, is specifically used for：
According to the aperture of the capacity of the first indoor unit and the ratio of the total capacity of air-conditioning system, the overall expansion valve of air-conditioning system
And the aperture of the first expansion valve is calculated in correction factor；According to the total capacity of the capacity of the second indoor unit and air-conditioning system
The aperture of second expansion valve is calculated in the aperture of ratio and the overall expansion valve of air-conditioning system.
Optionally, control unit 402 specifically can be used for：
It controls the first raising frequency rate and is more than the second raising frequency rate, wherein when the first raising frequency rate is that the first indoor unit works
The raising frequency rate of compressor, the second raising frequency rate are the raising frequency rate of compressor when the second indoor unit works；Control first frequency
Thresholding is more than second frequency thresholding, wherein first frequency thresholding is the upper frequency limit of the first raising frequency rate, and second frequency thresholding is
The upper frequency limit of second raising frequency rate.
Optionally, control unit 402 can be also used for：
It controls the first rotating speed and is more than the second rotating speed, wherein the first rotating speed is turn of outdoor fan when the first indoor unit works
Speed, the second rotating speed are the rotating speed of outdoor fan when the second indoor unit works.
Since the device in embodiments herein can be applied to the above method, it can be obtained technology effect
Fruit also can refer to above method embodiment, and details are not described herein for the embodiment of the present application.
Embodiments herein provides a kind of computer readable storage medium of the one or more programs of storage, one
Or multiple programs include instruction, described instruction makes computer execute the method as described in Fig. 1-3 when executed by a computer.
It should be noted that above-mentioned each unit can be the processor individually set up, certain of controller can also be integrated in
It is realized in one processor, in addition it is also possible to be stored in the memory of controller in the form of program code, by controller
Some processor calls and executes the function of the above each unit.Processor described here can be a central processing unit
(Central Processing Unit, CPU) or specific integrated circuit (Application Specific
Integrated Circuit, ASIC), or be arranged to implement one or more integrated circuits of the embodiment of the present application.
It should be understood that in the various embodiments of the application, size of the sequence numbers of the above procedures is not meant to execute suitable
The execution sequence of the priority of sequence, each process should be determined by its function and internal logic, the implementation without coping with the embodiment of the present application
Process constitutes any restriction.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, depends on the specific application and design constraint of technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method, it can be with
It realizes by another way.For example, apparatus embodiments described above are merely indicative, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, equipment or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.
Claims (11)
1. a kind of air conditioning control method, which is characterized in that applied to the air-conditioning system for including multiple indoor units, the method packet
It includes：
Determine the first indoor unit and the second indoor unit, wherein first indoor unit be first turn on and its where it is indoor
Environment meets the indoor unit of preset condition, second indoor unit be in the multiple indoor unit in addition to first indoor unit with
Outer indoor unit；
It controls cold medium flux in first indoor unit and is more than cold medium flux in second indoor unit.
2. according to the method described in claim 1, it is characterized in that, cold medium flux is more than in control first indoor unit
Cold medium flux in second indoor unit, including：
The aperture for controlling the first expansion valve is more than the aperture of the second expansion valve, wherein first expansion valve is first Room
The expansion valve of interior machine, second expansion valve are the expansion valve of second indoor unit.
3. according to the method described in claim 2, it is characterized in that, the air-conditioning system further includes heat exchanger, the method
Further include：
According to the overall expansion of the capacity of first indoor unit and the ratio of the total capacity of the air-conditioning system, the air-conditioning system
The aperture of first expansion valve is calculated in the correction factor of the aperture of valve and the heat exchanger；
According to the total of the ratio of the capacity of second indoor unit and the total capacity of the air-conditioning system and the air-conditioning system
The aperture of second expansion valve is calculated in the aperture of expansion valve.
4. according to the method described in claim 1, it is characterized in that, the air-conditioning system further includes compressor, the control institute
It states cold medium flux in the first indoor unit and is more than cold medium flux in second indoor unit, including：
It controls the first raising frequency rate and is more than the second raising frequency rate, wherein the first raising frequency rate is the first indoor unit work
The raising frequency rate of compressor when making, the second raising frequency rate are the liter of compressor when second indoor unit works
Frequency rate；
It controls first frequency thresholding and is more than second frequency thresholding, wherein the first frequency thresholding is the first raising frequency rate
Upper frequency limit, the second frequency thresholding be the second raising frequency rate upper frequency limit.
5. according to the method described in claim 1, it is characterized in that, the air-conditioning system further includes outdoor fan, the method
Further include：
It controls the first rotating speed and is more than the second rotating speed, wherein first rotating speed is outdoor when first indoor unit works
The rotating speed of fan, second rotating speed are the rotating speed of outdoor fan when second indoor unit works.
6. a kind of air conditioning control device, which is characterized in that applied to the air-conditioning system for including multiple indoor units, described device packet
It includes：
Determination unit, for determining the first indoor unit and the second indoor unit, wherein first indoor unit be first turn on and
Indoor environment where it meets the indoor unit of preset condition, and second indoor unit is in the multiple indoor unit in addition to described
Indoor unit other than first indoor unit；
Control unit is more than cold medium flux in second indoor unit for controlling cold medium flux in first indoor unit.
7. device according to claim 6, which is characterized in that described control unit is specifically used for：
The aperture for controlling the first expansion valve is more than the aperture of the second expansion valve, wherein first expansion valve is first Room
The expansion valve of interior machine, second expansion valve are the expansion valve of second indoor unit.
8. device according to claim 7, which is characterized in that the air-conditioning system further includes heat exchanger, the air-conditioning
Control device further includes computing unit, and the computing unit is specifically used for：
According to the overall expansion of the capacity of first indoor unit and the ratio of the total capacity of the air-conditioning system, the air-conditioning system
The aperture of first expansion valve is calculated in the correction factor of the aperture of valve and the heat exchanger；
According to the total of the ratio of the capacity of second indoor unit and the total capacity of the air-conditioning system and the air-conditioning system
The aperture of second expansion valve is calculated in the aperture of expansion valve.
9. device according to claim 6, which is characterized in that the air-conditioning system further includes compressor, and the control is single
Member is specifically used for：
It controls the first raising frequency rate and is more than the second raising frequency rate, wherein the first raising frequency rate is the first indoor unit work
The raising frequency rate of compressor when making, the second raising frequency rate are the liter of compressor when second indoor unit works
Frequency rate；
It controls first frequency thresholding and is more than second frequency thresholding, wherein the first frequency thresholding is the first raising frequency rate
Upper frequency limit, the second frequency thresholding be the second raising frequency rate upper frequency limit.
10. device according to claim 6, which is characterized in that described control unit is additionally operable to：
It controls the first rotating speed and is more than the second rotating speed, wherein first rotating speed is outdoor when first indoor unit works
The rotating speed of fan, second rotating speed are the rotating speed of outdoor fan when second indoor unit works.
11. a kind of computer readable storage medium of the one or more programs of storage, which is characterized in that one or more of journeys
Sequence includes instruction, and it is as described in any one in claim 1-5 that described instruction when executed by a computer executes the computer
Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553002.1A CN108709297A (en) | 2018-05-31 | 2018-05-31 | Air conditioning control method and control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553002.1A CN108709297A (en) | 2018-05-31 | 2018-05-31 | Air conditioning control method and control device |
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| CN108709297A true CN108709297A (en) | 2018-10-26 |
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| CN201810553002.1A Pending CN108709297A (en) | 2018-05-31 | 2018-05-31 | Air conditioning control method and control device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111609593A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609592A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Dual-temperature air conditioning system, control method and air conditioner |
| CN111609584A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Dual-temperature air conditioning system, control method and air conditioner |
| CN111609589A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609590A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609591A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609586A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN114353276A (en) * | 2020-10-13 | 2022-04-15 | 美的集团武汉制冷设备有限公司 | Multi-split air conditioner, control method thereof and computer storage medium |
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| CN111609589A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609590A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609591A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609586A (en) * | 2020-04-24 | 2020-09-01 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609593B (en) * | 2020-04-24 | 2021-06-25 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609590B (en) * | 2020-04-24 | 2021-06-29 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609589B (en) * | 2020-04-24 | 2021-07-06 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609592B (en) * | 2020-04-24 | 2021-07-13 | 珠海格力电器股份有限公司 | Dual-temperature air conditioning system, control method and air conditioner |
| CN111609586B (en) * | 2020-04-24 | 2021-07-30 | 珠海格力电器股份有限公司 | Double-temperature air conditioning system, control method and air conditioner |
| CN111609584B (en) * | 2020-04-24 | 2021-07-30 | 珠海格力电器股份有限公司 | Dual-temperature air conditioning system, control method and air conditioner |
| CN114353276A (en) * | 2020-10-13 | 2022-04-15 | 美的集团武汉制冷设备有限公司 | Multi-split air conditioner, control method thereof and computer storage medium |
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| CN114353276B (en) * | 2020-10-13 | 2023-03-28 | 美的集团武汉制冷设备有限公司 | Multi-split air conditioner, control method thereof and computer storage medium |
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