CN110500650A - A kind of air-conditioning system, control method and control device - Google Patents
A kind of air-conditioning system, control method and control device Download PDFInfo
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- CN110500650A CN110500650A CN201910770188.0A CN201910770188A CN110500650A CN 110500650 A CN110500650 A CN 110500650A CN 201910770188 A CN201910770188 A CN 201910770188A CN 110500650 A CN110500650 A CN 110500650A
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- indoor unit
- conditioning system
- control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/70—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
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F11/88—Electrical aspects, e.g. circuits
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
This application discloses a kind of air-conditioning system, control method and control devices, are related to field of household appliances, for meeting demand of the user to the comfort of air conditioner refrigerating and heating.Including outdoor unit, indoor unit and capillary；Outdoor unit includes compressor, four-way reversing valve, condenser, the first liquid valve, the second liquid valve, low pressure valve and air valve；The outlet of the first end connect compressor of four-way reversing valve；The first end of the second end connection condenser of four-way reversing valve；The third end of four-way reversing valve is separately connected the entrance and low pressure valve of compressor；4th end of four-way reversing valve connects air valve；The second end of condenser is separately connected the first liquid valve, the second liquid valve；The first expansion valve is equipped between the second end of condenser and the second liquid valve；First liquid valve connects the first end of every indoor unit, and the second expansion valve is equipped between the first liquid valve and indoor unit；The second end of second liquid valve connection capillary；The second end of low pressure valve connection indoor unit；The first end of the second end connection capillary of air valve.
Description
Technical field
This application involves household appliance technical field more particularly to a kind of air-conditioning systems, control method and control device.
Background technique
With people the comfort of indoor environment is required it is higher and higher, when hot weather, people can be used air-conditioning into
Row refrigeration.When weather cold, existing air-conditioning is generally heated by blowing hot wind, causes the comfort of user not high.Due to radiation
Heating is more in line with the requirement of needed by human body temperature gradient, and comfort is higher, therefore people go back while being mounted with air-conditioning
It needs to install the water-heating systems such as house gas boiler or municipal pipeline central heating, heats.
The water-heating system of existing market is divided to central heating and household heating two kinds of forms: central heating needs to install concentrate tube
The equipment such as road, condensate correcting-distribuing device, water pipe, valve, installing engineering is complicated, and heating disclosure risk is big；Household heating needs to install combustion
The heating systems such as steam stove, it is costly, it is also necessary to be heated with gas heating water system, safety is poor.
Summary of the invention
Embodiments herein provides a kind of air-conditioning system, control method and control device, for meeting user to air-conditioning
The demand of refrigeration and the comfort of heating.
In order to achieve the above objectives, embodiments herein adopts the following technical scheme that
In a first aspect, providing a kind of air-conditioning system, including outdoor unit, at least an indoor unit and at least one set of capillary
Pipe；The outdoor unit includes compressor, four-way reversing valve, condenser, the first liquid valve, the second liquid valve, low pressure valve and air valve；Institute
The first end for stating four-way reversing valve connects the outlet of the compressor；The second end of the four-way reversing valve connects the condenser
First end；The third end of the four-way reversing valve is separately connected the entrance of the compressor and the first end of the low pressure valve；
4th end of the four-way reversing valve connects the first end of the air valve；The second end of the condenser is separately connected described first
The first end of the first end of liquid valve, the second liquid valve；The second end of the condenser and the first end of the second liquid valve
Between be equipped with the first expansion valve；The second end of the first liquid valve connects in an at least indoor unit the of every indoor unit
Second is equipped in one end, the second end of the first liquid valve and an at least indoor unit between the first end of every indoor unit
Expansion valve；The second end of the second liquid valve connects the second end of every group of capillary at least one set of capillary；It is described low
The second end of pressure valve connects the second end of every indoor unit in an at least indoor unit；The second end of the air valve connects institute
State the first end of every group of capillary at least one set of capillary.
Second aspect provides a kind of control method, applied to the air-conditioning system of first aspect, this method comprises: air-conditioning
When air-conditioning system is refrigeration mode, the first end and second end for controlling the four-way reversing valve of outdoor unit connect the control unit of system
It is logical；First expansion valve of control outdoor unit is in closed state；Control interior in running order in an at least indoor unit
Corresponding second expansion valve of machine is in the open state.The control unit of air-conditioning system is when air-conditioning system is heating mode, control
The first end of four-way reversing valve is connected to the 4th end；It is in the open state to control the first expansion valve；The second expansion valve is controlled to be in
Closed state.
The third aspect provides a kind of control device, including control unit；
Control unit, for controlling the first of the four-way reversing valve of outdoor unit when the air-conditioning system is refrigeration mode
End is connected to second end；First expansion valve of control outdoor unit is in closed state；It controls and is in work in an at least indoor unit
Corresponding second expansion valve of indoor unit for making state is in the open state.Control unit is also used to when air-conditioning system be heating mould
When formula, the first end for controlling four-way reversing valve is connected to the 4th end；It is in the open state to control the first expansion valve；It is swollen to control second
Swollen valve is in close state.
Air-conditioning system, control method and the control device that embodiments herein provides, including outdoor unit, an at least room
Interior machine and at least one set of capillary；Outdoor unit includes compressor.The outlet of compressor respectively with it is every in an at least indoor unit
The first end connection of every group of capillary in the first end of platform indoor unit, at least one set of capillary；The entrance of compressor is respectively and extremely
The second end of every indoor unit in a few indoor unit, at least one set of capillary every group of capillary second end connection.In this way,
When air-conditioning system is in refrigerating state, the first end of the four-way reversing valve of Air-condition system control outdoor unit is connected to second end；
First expansion valve of control outdoor unit is in closed state；Control indoor unit pair in running order in an at least indoor unit
The second expansion valve answered is in the open state, so that refrigerant enters the interior for being in operating mode from the outlet of compressor
Machine, indoor unit can freeze to room air, so as to meet the demand for the comfort that user freezes to air-conditioning system.
When air-conditioning system is in heating mode, the first end of Air-condition system control four-way reversing valve is connected to the 4th end；Control first
Expansion valve is in the open state；It controls the second expansion valve to be in close state, so that refrigerant enters from the outlet of compressor
At least one set of capillary can heat room air by the radiation of at least one set of capillary, so as to meet user couple
The demand of the comfort of air-conditioning system heating.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for air-conditioning system that embodiments herein provides；
Fig. 2 is refrigerant flow direction schematic diagram when a kind of air-conditioning system that embodiments herein provides is freezed；
Fig. 3 is refrigerant flow direction schematic diagram when a kind of air-conditioning system that embodiments herein provides is heated；
Fig. 4 is the structural schematic diagram for another air-conditioning system that embodiments herein provides；
Fig. 5 is a kind of flow diagram of the control method for air-conditioning system that embodiments herein provides；
Fig. 6 is the flow diagram of the control method for another air-conditioning system that embodiments herein provides；
Fig. 7 is a kind of structural schematic diagram of the control device for air-conditioning system that embodiments herein provides；
Fig. 8 is the structural schematic diagram of the control device for another air-conditioning system that embodiments herein provides；
Fig. 9 is the structural schematic diagram of the control device for another air-conditioning system that embodiments herein provides.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall in the protection scope of this application.
For the ease of clearly describing the technical solution of the embodiment of the present application, in embodiments herein, use " the
One ", the printed words such as " second " distinguish function and the essentially identical identical entry of effect or similar item.For example, the first liquid valve and
Second liquid valve is not defined its sequencing just for the sake of distinguishing different liquid valves.Those skilled in the art can be with
Understand that the printed words such as " first ", " second " are not defined quantity and execution order, and the printed words such as " first ", " second "
It does not limit certain different.
It should be noted that in the application, " illustrative " or " such as " etc. words make example, illustration for indicating or say
It is bright.Described herein as " illustrative " or " such as " any embodiment or design scheme be not necessarily to be construed as than it
His embodiment or design scheme more preferably or more advantage.Specifically, use " illustrative " or " such as " etc. words be intended to
Related notion is presented in specific ways.
In the application, "at least one" refers to one or more, and " multiple " refer to two or more."and/or",
The incidence relation of affiliated partner is described, indicates may exist three kinds of relationships, for example, A and/or B, can indicate: individualism A,
Exist simultaneously A and B, the case where individualism B, wherein A, B can be odd number or plural number.Character "/" typicallys represent front and back and closes
Connection object is a kind of relationship of "or".At least one of " following (a) " or its similar expression, refer to these in any group
It closes, any combination including individual event (a) or complex item (a).For example, at least one (a) in a, b or c, can indicate:
A, b, c, a-b, a-c, b-c or a-b-c, wherein a, b, c can be individually, be also possible to multiple.
As shown in Figure 1, the embodiment of the present application provides a kind of air-conditioning system, which includes outdoor unit 100, at least
One indoor unit 200 (1 is illustrated only in Fig. 1) and at least one set of capillary 300 (1 group is illustrated only in Fig. 1).Outdoor unit
100 include compressor 101, four-way reversing valve 102, condenser 103, the first liquid valve 104, the second liquid valve 105, low pressure valve 106 with
And air valve 107.
The outlet of the first end connect compressor 101 of four-way reversing valve 102；The second end connection of four-way reversing valve 102 is cold
The first end of condenser 103；The third end of four-way reversing valve 102 be separately connected compressor 101 entrance and low pressure valve 106 first
End；The first end of the 4th end connection air valve 107 of four-way reversing valve 102.
The second end of condenser 103 is separately connected the first end of the first end of the first liquid valve 104, the second liquid valve 105；Its
In, the first expansion valve 108 is equipped between the second end of condenser 103 and the first end of the second liquid valve 105.
The first end of every indoor unit 200 in a second end connection at least indoor unit 200 for first liquid valve 104, first
The second expansion valve is equipped in the second end of liquid valve 104 and at least an indoor unit 200 between the first end of every indoor unit 200
109；The second end of second liquid valve 105 connects the second end of every group of capillary 300 at least one set of capillary 300；Low pressure valve 106
Second end connection an at least indoor unit 200 in every indoor unit 200 second end；The second end connection of air valve 107 is at least
The first end of every group of capillary 300 in one group of capillary 300.
Wherein, outdoor unit 100 may include frequency conversion outdoor unit, variable refrigeration agent flux (variable refrigerant
Volume, VRF) multi-joint outdoor unit, any one of constant speed outdoor unit.Refrigerant may include freon R22, freon
Any one of R410A, freon R32.First expansion valve 108 and the second expansion valve 109 can be electric expansion valve.At least one
Every indoor unit 200 can also include evaporator, motor etc. in platform indoor unit 200.In the embodiment of the present application, indoor unit can be
Single cooler, namely be only used for freezing.Cost can be reduced in this way.
It is carried out below with reference to refrigeration mode and heating mode of the Fig. 2 and Fig. 3 to air-conditioning system provided by the embodiments of the present application
Description.
(1), when air-conditioning system is in refrigeration mode, the first end of Air-condition system control four-way reversing valve 102 and second
End connection；It is in the open state to control in running order corresponding second expansion valve of indoor unit 200.In this way, air-conditioning system
It controls compressor 101 to run, the flow direction of refrigerant can be made as shown in Figure 2 (flow direction of solid arrow expression refrigerant in Fig. 2).
Refrigerant successively passes through condenser 103 and the first liquid valve 104, into running order indoor unit 200.In work shape
The indoor unit 200 of state is used to freeze to the room air locating for it.
Specifically, when Air-condition system control four-way reversing valve 102 powers off, the first end of four-way reversing valve 102 and second
End can be connected to.Air-condition system control compressor 101 is run, so that high-pressure gaseous refrigerant can be discharged in compressor 101.It is high
Cryogen is calmed the anger through 102 first end and second end of four-way reversing valve, into condenser 103 after liquefy, become high pressure liquid
Cryogen.High pressure liquid refrigerant is flowed into the indoor unit 200 in open state by the first liquid valve 104, passes through evaporation
Heat absorption, becomes gaseous refrigerant, to reduce room temperature.Gaseous refrigerant can also be from the indoor unit for being in open state
200 second end returns to the entrance of compressor 101 by low pressure valve 106, forms refrigeration cycle.
It should be noted that the first expansion valve of Air-condition system control 108, which is in, to close when air-conditioning system is in refrigeration mode
Closed state, no liquid refrigerant flow at least one set of capillary 300.Due at least one set of capillary and compression in cooling mode
The connection of machine entrance, therefore may be at low-pressure state at least one set of capillary.It is only overheated in capillary at least one set of in this way
Low-pressure gaseous refrigerant, do not have liquid refrigerant presence, air-conditioning system can keep refrigerant to balance.
(2), when air-conditioning is in heating mode, Air-condition system control four-way reversing valve 102 is powered, and four-way can be made to commutate
The first end of valve 102 is connected to the 4th end.Air-condition system control the first expansion valve 108 is in the open state；The second expansion of control
Valve 109 is in off state.In this way, Air-condition system control compressor 101 is run, the flow direction of refrigerant can be made (to scheme as shown in Figure 3
Dotted arrow indicates the flow direction of refrigerant in 3), refrigerant passes through air valve 107, at least one set of capillary 300.Wherein, until
The temperature of refrigerant is higher than the temperature of room air in few one group of capillary 300, and therefore, refrigerant can at least one set of capillary
To carry out heat exchange with room air, realize that the radiation to room air heats.
It should be noted that at least one set of capillary 300 can be laid on ground in the embodiment of the present application.Ground can be with
Layer is laid with including damp-proof layer, insulating layer, reflecting layer, iron wire stratum reticulare, capillary fringe, cement mortar, floor is laid with layer.
In the embodiment of the present application, every group of capillary 300 may include a plurality of capillary at least one set of capillary 300, more
The connection of capillary paralleling.It can connect respectively by the way that liquid-dividing head is fixed between the first end of every capillary and between second end
It connects (as welded).For example, the first end of capillary 1 is fixedly connected with the first end of capillary 2 by liquid-dividing head 1, capillary 1
Second end is fixedly connected with the second end of capillary 2 by liquid-dividing head 2.Capillary can be the capillary of copper material.Every
The outer diameter of capillary can be 3-4mm, and length can be 10-20m.Certainly the length of every capillary and outer diameter can according to
The demand at family adjusts.
In this way, air-conditioning compressor 101 is run, so that compressor 101 can when air-conditioning system is in heating mode
High temperature and high pressure gaseous refrigerant is discharged.First end of the high temperature and high pressure gaseous refrigerant through four-way reversing valve 102 and the 4th end, gas
Valve 107 enters at least one set of capillary 300.High temperature and high pressure gaseous refrigerant passes through cement at least one set of capillary 300
Mortar is laid with layer, floor is laid with layer and room air carries out heat exchange, is condensed into liquid refrigerant.Cement mortar laying layer,
Plate is laid with layer and can be transmitted to heat in indoor environment by way of radiation, forms radiation heating.Compared to the prior art
In, air-conditioning is heated by blowing hot wind, causes user's comfort not high.Air-conditioning system passes through at least one in the embodiment of the present application
The radiation heating of group capillary, can satisfy demand of the user to the comfort of air-conditioning heating.
It should be noted that condensed liquid refrigerant is flowed out from the second end of at least one set of capillary, through the second liquid
After the reducing pressure by regulating flow of valve 105, become low-pressure, liquid refrigerant.Low-pressure, liquid refrigerant enters condenser 103, through evaporation endothermic,
As gaseous refrigerant.Second end and third end of the gaseous refrigerant by four-way reversing valve, flow back into the entrance of compressor, shape
It is recycled at heating.Wherein, when air-conditioning system is in heating mode, the second expansion valve 109 is in close state, at least a room
The second end of every indoor unit is connected with the entrance of compressor in interior machine, therefore low-pressure state is in every indoor unit, only
Low-pressure gaseous refrigerant will not store liquid refrigerant, can guarantee the refrigerant balance of air-conditioning system under heating mode.
Air-conditioning system provided by the embodiments of the present application can directly make refrigerant enter at least one set of capillary and be radiated
Heating.The problem of there is no secondary heat exchanges, therefore heating effect is good.Meanwhile the structure of the air-conditioning system is simple, and air-conditioning system
Freezed by refrigerant and is heated.In the embodiment of the present application, refrigerant is not water, so the hair as caused by water is not present
The problem of tubule rust corrosion, therefore later maintenance is simple, reduces costs.Simultaneously air-conditioning system installation and using the time not
It is restricted, can satisfy the use demand of user.
Air-conditioning system provided by the embodiments of the present application, when air-conditioning system is in refrigerating state, air-conditioning system be can control
Refrigerant enters the indoor unit for being in operating mode from the outlet of compressor, so as to freeze to room air, in this way
It can satisfy the demand for the comfort that user freezes to air-conditioning system.When air-conditioning system is in heating mode, air-conditioning system can
Enter at least one set of capillary to control refrigerant from the outlet of compressor, so as to pass through the radiation of at least one set of capillary
Heating heats room air, can satisfy the demand for the comfort that user heats air-conditioning system in this way.
In a kind of possible design, air-conditioning system provided by the embodiments of the present application can also compressor 101 outlet and
Oil eliminator can be set between entrance.Oil eliminator is used for the lubricating oil carried when separating 101 discharging refrigerant of compressor.Oil
The lubricating oil isolated can also be sent back to again compressor 101 by separator, to avoid the occurrence of due to lubricating in compressor
Oil is very few, and compressor 101 is caused to run abnormal phenomenon.
In a kind of possible design, air-conditioning system provided by the embodiments of the present application can also can in the entrance of compressor 101
Low-pressure oil storage is arranged.Liquid refrigerant enters compression when low-pressure oil storage is for avoiding indoor unit operation or outdoor unit from starting
Machine 101 causes compressor 101 the problem of hydraulic compression occur.
As shown in figure 4, Fig. 4 shows a kind of structural schematic diagram of air-conditioning system.The air-conditioning system includes more indoor units
200 (five are illustrated only in Fig. 4) and multiple groups capillary 300 (four groups are illustrated only in Fig. 4).
In a kind of possible design, as shown in figure 4, air-conditioning system can also include refrigerant distributor box 400.Refrigerant point
The first end of liquid pipe component 401 with case 400 is connect with the second end of the first liquid valve 104；The tracheae component of refrigerant distributor box
402 first end is connect with the second end of low pressure valve 106.
Wherein, the second end of the liquid pipe component 401 of refrigerant distributor box 400 includes multiple liquid pipe connectors, multiple liquid pipes
Each liquid pipe connector is separately connected second expansion valve in connector.
Illustratively, as shown in figure 4, liquid pipe connector 1 connects the second expansion valve A, second expansion of the connection of liquid pipe connector 2
Valve B, liquid pipe connector 3 connect the second expansion valve C, and liquid pipe connector 4 connects the second expansion valve D, the connection of liquid pipe connector 5 second
Expansion valve E.
The second end of the tracheae component 402 of refrigerant distributor box includes multiple air pipe connectors, and multiple tracheae connects
Each air pipe connector is separately connected the second end of an indoor unit in head.
Illustratively, as shown in figure 4, air pipe connector 1 connects the second end of indoor unit A, in 2 junction chamber of air pipe connector
The second end of machine B, air pipe connector 3 connect the second end of indoor unit C, and air pipe connector 4 connects the second end of indoor unit D, gas
The second end of the connection of pipe connector 5 indoor unit E.
In a kind of possible design, refrigerant distributor box 400 can also include temperature sensor and controller.When air-conditioning system
When uniting in refrigeration mode, temperature sensor is used to obtain the overheat of indoor unit in running order in an at least indoor unit
Degree.Controller is used to control the aperture of corresponding second expansion valve of in running order indoor unit according to the degree of superheat.Wherein,
Two expansion valves are used to control the flow into the refrigerant of in running order indoor unit.
It should be noted that the degree of superheat is the difference of the temperature of the evaporator outlet of indoor unit and the temperature of entrance.Second
The aperture of expansion valve refers to the size that the second expansion valve is opened, and the aperture of the second expansion valve is bigger, then by the within the unit time
The flow of the refrigerant of two expansion valves is bigger；The aperture of second expansion valve is smaller, then passes through the second expansion valve within the unit time
Refrigerant flow it is smaller.When the degree of superheat of indoor unit is more than preset range, then it represents that indoor unit lacks refrigerant, therefore needs
Increase the aperture of expansion valve, to increase the amount of the refrigerant for the machine that enters the room.
Illustratively, when indoor unit works, if the degree of superheat is located at section [a, b], then the refrigerant of indoor unit is in flat
Weighing apparatus state, wherein b > a.It should be understood that the equilibrium state of refrigerant refers to that the amount of indoor unit inner refrigerant is that indoor unit is normal
The amount of required refrigerant when work.For example, when indoor unit A operation, the aperture of the corresponding second expansion valve A of indoor unit A is the
One aperture.The degree of superheat of the available a certain moment indoor unit A of temperature sensor.If the degree of superheat of indoor unit A is greater than b, table
Show that the degree of superheat of indoor unit A is excessive, then it is the second aperture (the second aperture that air-conditioning system, which can control the aperture of the second expansion valve A,
Greater than the first aperture), to increase the amount for the refrigerant for entering the room machine A.When the degree of superheat of indoor unit A is less than a, indicate indoor
The degree of superheat of machine A is too small, then it is that (third aperture is less than for third aperture that air-conditioning system, which can control the aperture of the second expansion valve A,
One aperture), to reduce the amount for the refrigerant for entering the room machine A.
In a kind of possible design, refrigerant distributor box 400 can also include communication module.Communication module is used for and outdoor
Machine 100 and at least an indoor unit 200 is communicated.That is, the instruction from indoor unit can be sent to room by communication module
Information from outdoor unit can be sent to indoor unit by outer machine, communication module.
Illustratively, when indoor unit A brings into operation, indoor unit A can be sent the information of the set temperature of indoor unit A
To communication module.After communication module receives the information of the set temperature from indoor unit A, controller is sent that information to.
Controller controls the running frequency of compressor 101 according to set temperature.Outdoor unit can be by the compressor frequency of outdoor unit, unit
Capacity, the information such as corresponding fault code are sent to indoor unit by communication module when breaking down.
In a kind of possible design, it can be equipped between the second end of condenser 103 and the first end of the first liquid valve 104
Third expansion valve.When air-conditioning system is in heating mode, controller can control the closing of third expansion valve.In this way, can be to prevent
Only refrigerant enters the room machine 200.
In a kind of possible design, as shown in figure 4, air-conditioning system can also include that refrigerant distributes tube assembly 500.Refrigeration
Agent distribution tube assembly 500 is used to distribute the refrigerant of every group of capillary in multiple groups capillary.It includes gas that refrigerant, which distributes tube assembly,
Tube assembly 501 and liquid pipe component 502.
Wherein, the first end of tracheae component 501 is connect with the second end of air valve 107, and the second end of tracheae component 501 includes
Multiple air pipe connectors, multiple air pipe connectors are connected with corresponding every group of capillary respectively.
Illustratively, as shown in figure 4, air pipe connector 1 is connect with the first end of A group capillary, air pipe connector 2 and B
The first end connection of group capillary, air pipe connector 3 are connect with the first end of C group capillary, air pipe connector 4 and D group capillary
The first end of pipe connects.
Wherein, the first end of liquid pipe component 502 is connect with the second end of the second liquid valve 105, the second end of tracheae component 502
Including multiple liquid pipe connectors, multiple liquid pipe connectors are connected with corresponding one group of capillary respectively.
Illustratively, as shown in figure 4, liquid pipe connector 1 is connect with the second end of A group capillary, liquid pipe connector 2 and B
The second end connection of group capillary, liquid pipe connector 3 are connect with the second end of C group capillary, liquid pipe connector 4 and D group capillary
The second end of pipe connects.
As shown in figure 5, the embodiment of the present application provides a kind of control method, it is applied to above-mentioned air-conditioning system.This method packet
It includes:
S101, air-conditioning system determination unit determine the operating mode of air-conditioning system.
Optionally, the operating mode of air-conditioning system includes: refrigeration mode and heating mode.It should be understood that refrigeration mode refers to sky
Adjusting system cools down to room air；Heating mode refers to that air-conditioning system heats up to room air.
S102, air-conditioning system control unit when air-conditioning system is in refrigeration mode, control the first of four-way reversing valve
End is connected to third end；It controls the first expansion valve and is in closed state；Control in running order indoor unit corresponding second
Expansion valve is in an open state.
In this way, the control unit control compressor operation of air-conditioning system, so that refrigerant successively passes through the cold of outdoor unit
First liquid valve of condenser and outdoor unit, into indoor unit in running order in an at least indoor unit.Wherein, at least one
Platform is used for indoor machine to freeze in room air.
S103, air-conditioning system control unit when air-conditioning system is in heating mode, control the first of four-way reversing valve
End is connected to the 4th end；It is in the open state to control the first expansion valve；The second expansion valve is controlled to be in close state.
In this way, the control unit control compressor operation of air-conditioning system, so that refrigerant passes through the air valve of outdoor unit, into
Enter at least one set of capillary.Wherein, at least one set of capillary is for heating room air.
In a kind of possible implementation, as shown in fig. 6, method provided by the embodiments of the present application can also include:
S104, air-conditioning system control unit when air-conditioning system is in defrosting mode, control the flow direction of refrigerant and empty
The flow direction of refrigerant when adjusting system is in refrigeration mode is consistent；The fan of control indoor unit is in close state.
When outdoor temperature is lower, the internal temperature of outdoor unit can reach 0 degree hereinafter, therefore when outdoor unit runing time mistake
It is long, outdoor unit meeting frost, to influence the normal operation of outdoor unit, it is therefore desirable to defrost to outdoor unit.Existing skill
In art, outdoor unit heating and defrosting is realized by indoor mechanism cold when air-conditioner defrosting.But defrosting process operation of air conditioner refrigeration,
Will lead to room temperature can reduce in short term.Therefore during defrosting, interior will appear sometimes hot and sometimes cold phenomenon.
Control method provided by the embodiments of the present application, when air-conditioning system is in defrosting mode, the control list of air-conditioning system
The flow direction of member control refrigerant is consistent with the flow direction of refrigerant when refrigeration mode, and the fan for controlling indoor unit is closed.Such hair
It is flowed in tubule without refrigerant, it is ensured that capillary is not in refrigerating state.Although simultaneously refrigerant indoors in machine also into
Row evaporation endothermic, but since the fan of indoor unit is closed, the evaporation endothermic of refrigerant only be will affect around indoor unit
Temperature will not bring larger impact to room temperature, so as to avoid indoor appearance during air-conditioning system defrosting from neglecting cold neglect
The phenomenon of heat occurs.
In a kind of possible implementation, as shown in fig. 6, control method provided by the embodiments of the present application, can also include
S105-S106:
S105, air-conditioning system acquiring unit when air-conditioning system is in refrigeration mode, obtain in running order room
The degree of superheat of interior machine.
S106, air-conditioning system control unit according to the degree of superheat to control in running order indoor unit corresponding second swollen
The aperture of swollen valve.
Wherein, the second expansion valve is used to control the flow into the refrigerant of in running order indoor unit.
The step is referred to above-mentioned air-conditioning system embodiment, and details are not described herein again.
The embodiment of the present application can carry out functional module or functional unit to control device according to above method example
It divides, for example, each functional module of each function division or functional unit can be corresponded to, it can also be by two or more
Function be integrated in a processing module.Above-mentioned integrated module both can take the form of hardware realization, can also use
The form of software function module or functional unit is realized.Wherein, it is to the division of module or unit in the embodiment of the present application
Schematically, only a kind of logical function partition, there may be another division manner in actual implementation.
The embodiment of the present application provides a kind of control device, is applied to air-conditioning system, as shown in fig. 7, the control device 70
It may include: determination unit 701 and control unit 702.
Determination unit 701, for determining the operating mode of air-conditioning system.
Control unit 702, for controlling the first of the four-way reversing valve of outdoor unit when air-conditioning system is in refrigeration mode
End is connected to third end；First expansion valve of control outdoor unit is in closed state；It controls and is in work in an at least indoor unit
Corresponding second expansion valve of indoor unit for making state is in an open state.
In this way, control unit 702 control compressor operation so that make refrigerant successively pass through the condenser of outdoor unit with
And the first liquid valve of outdoor unit, into indoor unit in running order in an at least indoor unit.In running order room
Interior machine is for freezing to room air.
Control unit 702, for controlling the first end and the 4th of four-way reversing valve when air-conditioning system is in heating mode
End connection, the first expansion valve of control are in an open state and control the second expansion valve and be in off state.
In this way, control unit 702 controls compressor operation, so that refrigerant passes through the air valve of outdoor unit, at least
One group of capillary.At least one set of capillary is for heating room air.
Optionally, as shown in fig. 7, the control device 70 can also include acquiring unit 703.
Acquiring unit 703, for obtaining the mistake of in running order indoor unit when air-conditioning system is in refrigeration mode
Temperature.
Control unit 702, for controlling corresponding second expansion valve of in running order indoor unit according to the degree of superheat
Aperture.
Optionally, control unit 702, be also used to control when air-conditioning system is in defrosting mode the flow direction of refrigerant with
The flow direction of refrigerant is consistent when air-conditioning system is in refrigeration mode；The fan for controlling every indoor unit is in close state.
Using integrated unit, Fig. 8 shows one kind of control device involved in above-described embodiment
Possible structural schematic diagram.Control device 80 includes: processing module 801, communication module 802 and memory module 803.Processing module
801 for carrying out control management to the movement of control device 80, for example, processing module 801 is for supporting control device 80 to execute
S101-S104, S106 in Fig. 6.Communication module 802 be used for support control device 80 execute Fig. 6 in S105 and/or and other
The communication of entity.Memory module 803 is used to store the program code and data of air-conditioning system.
Wherein, processing module 801 can be processor or controller, such as can be central processing unit (Central
Processing Unit, CPU), general processor, digital signal processor (digital signal processor, DSP),
Specific integrated circuit (application-specific integrated circuit, ASIC), field programmable gate array
It is (field programmable gate array, FPGA) or other programmable logic device, transistor logic, hard
Part component or any combination thereof.It may be implemented or execute to combine and various illustratively patrol described in present disclosure
Collect box, module and circuit.Processor is also possible to realize the combination of computing function, such as includes one or more microprocessors
Combination, DSP and the combination of microprocessor etc..Communication module 802 can be transceiver, transmission circuit or communication interface etc..It deposits
Storage module 803 can be memory.
When processing module 801 is processor as shown in Figure 9, communication module 602 is the transceiver of Fig. 9, memory module 803
For Fig. 9 memory when, control device involved in the embodiment of the present application can be following control device 90.
Referring to shown in Fig. 9, which includes: processor 901, transceiver 902, memory 903 and bus 904.
Wherein, processor 901, transceiver 902, memory 903 are connected with each other by bus 904；Bus 904 can be outer
If component connection standard (peripheral component interconnect, PCI) bus or expanding the industrial standard structure
(extended industry standard architecture, EISA) bus etc..It is total that the bus can be divided into address
Line, data/address bus, control bus etc..Only to be indicated with a thick line in Fig. 9 convenient for indicating, it is not intended that only one total
Line or a type of bus.
Processor 901 can be a general central processor (Central Processing Unit, CPU), micro process
Device, application-specific integrated circuit (Application-Specific Integrated Circuit, ASIC) or one or more
A integrated circuit executed for controlling application scheme program.
Memory 903 can be read-only memory (Read-Only Memory, ROM) or can store static information and instruction
Other kinds of static storage device, random access memory (Random Access Memory, RAM) or letter can be stored
The other kinds of dynamic memory of breath and instruction, is also possible to Electrically Erasable Programmable Read-Only Memory (Electrically
Erasable Programmable Read-only Memory, EEPROM), CD-ROM (Compact Disc Read-
Only Memory, CD-ROM) or other optical disc storages, optical disc storage (including compression optical disc, laser disc, optical disc, digital universal
Optical disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus or can be used in carrying or store to have referring to
Enable or data structure form desired program code and can by any other medium of computer access, but not limited to this.
Memory, which can be, to be individually present, and is connected by bus with processor.Memory can also be integrated with processor.
Wherein, memory 902 is used to store the application code for executing application scheme, and is controlled by processor 901
System executes.Transceiver 902 is used to receive the content of external equipment input, and processor 901 is used to execute to store in memory 903
Application code, to realize the control method provided in the embodiment of the present application.
It should be understood that magnitude of the sequence numbers of the above procedures are not meant to execute suitable in the various embodiments of the application
Sequence it is successive, the execution of each process sequence 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 be aware that list 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, the specific application and design constraint depending on 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 method for foregoing description,
The specific work process of device and unit, can be with reference to the corresponding process in aforementioned air-conditioning system embodiment, and details are not described herein.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In the above-described embodiments, can come wholly or partly by software, hardware, firmware or any combination thereof real
It is existing.When being realized using software program, can entirely or partly realize in the form of a computer program product.The computer
Program product includes one or more computer instructions.On computers load and execute computer program instructions when, all or
It partly generates according to process or function described in the embodiment of the present application.The computer can be general purpose computer, dedicated meter
Calculation machine, computer network or other programmable devices.The computer instruction can store in computer readable storage medium
In, or from a computer readable storage medium to the transmission of another computer readable storage medium, for example, the computer
Instruction can pass through wired (such as coaxial cable, optical fiber, number from a web-site, computer, server or data center
Word user terminal line (Digital Subscriber Line, DSL)) or wireless (such as infrared, wireless, microwave etc.) mode to
Another web-site, computer, server or data center are transmitted.The computer readable storage medium can be meter
Any usable medium that calculation machine can access either includes server, the data center that one or more can use medium to integrate
Equal data storage devices.The usable medium can be magnetic medium (for example, floppy disk, hard disk, tape), optical medium (for example,
) or semiconductor medium (such as solid state hard disk (Solid State Disk, SSD)) etc. DVD.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain
Lid is within the scope of protection of this application.Therefore, the protection scope of the application should be based on the protection scope of the described claims.
Claims (9)
1. a kind of air-conditioning system, which is characterized in that including outdoor unit, an at least indoor unit and at least one set of capillary；Institute
Stating outdoor unit includes compressor, four-way reversing valve, condenser, the first liquid valve, the second liquid valve, low pressure valve and air valve；
The first end of the four-way reversing valve connects the outlet of the compressor；Described in the second end connection of the four-way reversing valve
The first end of condenser；The third end of the four-way reversing valve be separately connected the compressor entrance and the low pressure valve
One end；4th end of the four-way reversing valve connects the first end of the air valve；
The second end of the condenser is separately connected the first end of the first liquid valve, the first end of the second liquid valve；It is described
The first expansion valve is equipped between the second end of condenser and the first end of the second liquid valve；
The second end of the first liquid valve connects the first end of every indoor unit in an at least indoor unit, first liquid
The second expansion valve is equipped in the second end of valve and an at least indoor unit between the first end of every indoor unit；
The second end of the second liquid valve connects the second end of every group of capillary at least one set of capillary；
The second end of the low pressure valve connects the second end of every indoor unit in an at least indoor unit；
The second end of the air valve connects the first end of every group of capillary at least one set of capillary.
2. air-conditioning system according to claim 1, which is characterized in that the air-conditioning system further includes temperature sensor and control
Device processed；The temperature sensor and the controller communicate to connect；
The temperature sensor, for when the air-conditioning system is in refrigeration mode, obtaining in an at least indoor unit
The degree of superheat of in running order indoor unit；
The controller, for controlling indoor unit in running order in an at least indoor unit according to the degree of superheat
The aperture of corresponding second expansion valve；Second expansion valve, for controlling into the in running order indoor unit
The flow of refrigerant.
3. a kind of control method, which is characterized in that be applied to the described in any item air-conditioning systems of claim 1-2, comprising:
The control unit of the air-conditioning system controls the four-way commutation of the outdoor unit when the air-conditioning system is refrigeration mode
The first end of valve is connected to second end；The first expansion valve for controlling the outdoor unit is in closed state；Control described at least one
Corresponding second expansion valve of in running order indoor unit is in the open state in platform indoor unit；
The control unit of the air-conditioning system controls the compressor operation when the air-conditioning system is heating mode；Control
The first end of the four-way reversing valve is connected to the 4th end；It is in the open state to control first expansion valve；Control described
Two expansion valves are in close state.
4. control method according to claim 3, which is characterized in that the control method further include:
The control unit of the air-conditioning system when the air-conditioning system is in defrosting mode, control the flow direction of the refrigerant with
The flow direction of refrigerant when the air-conditioning system is in refrigeration mode is consistent；Control every interior in an at least indoor unit
The fan of machine is in close state.
5. control method according to claim 3 or 4, which is characterized in that the control method further include:
The acquiring unit of the air-conditioning system obtains described in running order when the air-conditioning system is in refrigeration mode
The degree of superheat of indoor unit；
The control unit of the air-conditioning system controls the in running order indoor unit corresponding according to the degree of superheat
The aperture of two expansion valves；Second expansion valve, for controlling into the refrigerant of the in running order indoor unit
Flow.
6. a kind of control device, which is characterized in that the control device includes: control unit；
Described control unit, for controlling the four-way of the outdoor unit of the air-conditioning system when air-conditioning system is in refrigeration mode
The first end of reversal valve is connected to second end；The first expansion valve for controlling the outdoor unit is in closed state；Control the sky
In running order corresponding second expansion valve of indoor unit is in the open state in an at least indoor unit for adjusting system；
Described control unit is also used to control the first of the four-way reversing valve when the air-conditioning system is in heating mode
End is connected to the 4th end；It is in the open state to control first expansion valve；Second expansion valve is controlled to be in close state.
7. control device according to claim 6, which is characterized in that
Described control unit is also used to control flow direction and the institute of the refrigerant when the air-conditioning system is in defrosting mode
State air-conditioning system it is in refrigeration mode when refrigerant flow direction it is consistent；Control every indoor unit in an at least indoor unit
Fan be in close state.
8. control device according to claim 6 or 7, which is characterized in that described device further includes acquiring unit；
The acquiring unit, for when the air-conditioning system is in refrigeration mode, obtaining in an at least indoor unit
In the degree of superheat of the indoor unit of working condition；
It is corresponding second swollen to be also used to control the in running order indoor unit according to the degree of superheat for described control unit
The aperture of swollen valve, second expansion valve are used to control the flow into the refrigerant of the in running order indoor unit.
9. a kind of computer readable storage medium, instruction is stored in the computer readable storage medium, which is characterized in that when
Described instruction in air-conditioning system when running, so that the air-conditioning system executes the control as described in any one of claim 3 to 5
Method processed.
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| CN201910770188.0A CN110500650A (en) | 2019-08-20 | 2019-08-20 | A kind of air-conditioning system, control method and control device |
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| CN201910770188.0A CN110500650A (en) | 2019-08-20 | 2019-08-20 | A kind of air-conditioning system, control method and control device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442347A (en) * | 2020-03-17 | 2020-07-24 | 海信（山东）空调有限公司 | Air conditioner and refrigerating and heating control method thereof |
| CN111442475A (en) * | 2020-04-10 | 2020-07-24 | 海信（山东）空调有限公司 | Defrosting control method and device of air conditioning system and air conditioner |
| CN111486532A (en) * | 2020-04-21 | 2020-08-04 | 海信（山东）空调有限公司 | Air conditioning system |
| CN112254367A (en) * | 2020-09-04 | 2021-01-22 | 海信（山东）空调有限公司 | Multi-connected air conditioning system, control system and control method |
| CN112503656A (en) * | 2020-11-24 | 2021-03-16 | 海信（山东）空调有限公司 | Fresh air heat pump heating system and control method thereof |
| CN112781097A (en) * | 2020-12-31 | 2021-05-11 | 浙江中广电器股份有限公司 | Storage control method for refrigerant during refrigeration of waterless floor heating multi-split air conditioner |
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| CN114322086A (en) * | 2021-12-21 | 2022-04-12 | 青岛海尔空调器有限总公司 | Air conditioner and control method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141682A (en) * | 1996-11-14 | 1998-05-29 | Hitachi Ltd | Multi-chamber type air conditioner |
| JPH10267439A (en) * | 1997-03-28 | 1998-10-09 | Yamaha Motor Co Ltd | Heat pump type air conditioner and its indoor device |
| CN109028300A (en) * | 2018-07-10 | 2018-12-18 | 海信（山东）空调有限公司 | Multi-gang air conditioner |
| CN109458683A (en) * | 2018-10-16 | 2019-03-12 | 宁波工程学院 | Dry type radiant heat pump and modular point of family air conditioner integrated machine and its control method |
| CN109724288A (en) * | 2018-12-27 | 2019-05-07 | 海信（山东）空调有限公司 | Disagreement case, multi-gang air conditioner and its operation method |
| CN109780640A (en) * | 2019-01-22 | 2019-05-21 | 南京三尼电器设备有限公司 | A kind of connected radiant heating refrigerated air-conditioning system and operation method |
-
2019
- 2019-08-20 CN CN201910770188.0A patent/CN110500650A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10141682A (en) * | 1996-11-14 | 1998-05-29 | Hitachi Ltd | Multi-chamber type air conditioner |
| JPH10267439A (en) * | 1997-03-28 | 1998-10-09 | Yamaha Motor Co Ltd | Heat pump type air conditioner and its indoor device |
| CN109028300A (en) * | 2018-07-10 | 2018-12-18 | 海信（山东）空调有限公司 | Multi-gang air conditioner |
| CN109458683A (en) * | 2018-10-16 | 2019-03-12 | 宁波工程学院 | Dry type radiant heat pump and modular point of family air conditioner integrated machine and its control method |
| CN109724288A (en) * | 2018-12-27 | 2019-05-07 | 海信（山东）空调有限公司 | Disagreement case, multi-gang air conditioner and its operation method |
| CN109780640A (en) * | 2019-01-22 | 2019-05-21 | 南京三尼电器设备有限公司 | A kind of connected radiant heating refrigerated air-conditioning system and operation method |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111442347A (en) * | 2020-03-17 | 2020-07-24 | 海信（山东）空调有限公司 | Air conditioner and refrigerating and heating control method thereof |
| CN111442475A (en) * | 2020-04-10 | 2020-07-24 | 海信（山东）空调有限公司 | Defrosting control method and device of air conditioning system and air conditioner |
| CN111486532A (en) * | 2020-04-21 | 2020-08-04 | 海信（山东）空调有限公司 | Air conditioning system |
| CN114060908A (en) * | 2020-08-05 | 2022-02-18 | 广东美的制冷设备有限公司 | Air conditioner system |
| CN112254367A (en) * | 2020-09-04 | 2021-01-22 | 海信（山东）空调有限公司 | Multi-connected air conditioning system, control system and control method |
| CN114294712A (en) * | 2020-09-21 | 2022-04-08 | 海信（山东）空调有限公司 | Multi-connected air conditioning system |
| CN114294713A (en) * | 2020-09-21 | 2022-04-08 | 海信（山东）空调有限公司 | Multi-connected air conditioning system |
| CN114459083A (en) * | 2020-10-30 | 2022-05-10 | 广东美的制冷设备有限公司 | Air conditioner system |
| CN112503656A (en) * | 2020-11-24 | 2021-03-16 | 海信（山东）空调有限公司 | Fresh air heat pump heating system and control method thereof |
| CN112781097A (en) * | 2020-12-31 | 2021-05-11 | 浙江中广电器股份有限公司 | Storage control method for refrigerant during refrigeration of waterless floor heating multi-split air conditioner |
| CN112781097B (en) * | 2020-12-31 | 2022-03-25 | 浙江中广电器股份有限公司 | Storage control method for refrigerant during refrigeration of waterless floor heating multi-split air conditioner |
| CN114322086A (en) * | 2021-12-21 | 2022-04-12 | 青岛海尔空调器有限总公司 | Air conditioner and control method thereof |
| CN114484829A (en) * | 2022-01-14 | 2022-05-13 | 青岛海尔空调器有限总公司 | Air conditioning system and control method thereof |
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Application publication date: 20191126 |