CN114719401A - Air conditioner control method, system, device, medium and air conditioner - Google Patents
Air conditioner control method, system, device, medium and air conditioner Download PDFInfo
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- CN114719401A CN114719401A CN202210406456.2A CN202210406456A CN114719401A CN 114719401 A CN114719401 A CN 114719401A CN 202210406456 A CN202210406456 A CN 202210406456A CN 114719401 A CN114719401 A CN 114719401A
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- Prior art keywords
- heat exchanger
- indoor unit
- air conditioner
- compressor
- refrigerant
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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
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor 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
- F24F11/62—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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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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
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0096—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater combined with domestic apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
Abstract
The invention relates to the technical field of air conditioner control, and particularly provides an air conditioner control method, a system, a device, a medium and an air conditioner, aiming at solving the problem that an indoor unit cannot guarantee indoor heating temperature when the air conditioner operates in a defrosting mode. For this purpose, when the air conditioner runs in a defrosting mode, refrigerant circulation is formed among the compressor, the outdoor heat exchanger, the sleeve heat exchanger and the indoor unit and water path circulation is formed between the sleeve heat exchanger and the floor heating by controlling the connection state of the first four-way valve and the second four-way valve and the opening and closing state of the first electronic expansion valve and the indoor unit electronic expansion valve, so that continuous heating of the floor heating is ensured while the air conditioner runs in the defrosting mode, the indoor heating temperature can be ensured while the air conditioner defrosts, and user experience is effectively improved.
Description
Technical Field
The invention relates to the technical field of air conditioner control, and particularly provides an air conditioner control method, system, device, medium and air conditioner.
Background
With the improvement of living standard of people, the multi-split air conditioner is favored by more and more families. In the heating process of the multi-split air conditioner, the outdoor unit may have frosting, and the frosting may affect the heat exchange effect of the outdoor unit heat exchanger, so that the outlet air temperature of the indoor unit is reduced, and finally the indoor unit enters a cold air prevention state (the outlet air temperature of the indoor unit is too low, and the indoor unit may stop running in order to prevent the indoor unit from blowing cold air). In order to prevent the indoor unit from entering a cold air prevention state or the air outlet temperature of the indoor unit from being too low and the like, the outdoor unit enters a defrosting mode after running for a period of time, and defrosting is carried out on the heat exchanger of the outdoor unit, so that the air outlet temperature of the indoor unit is ensured.
However, when the defrosting mode is operated, the indoor unit needs to be switched from the heating mode to the cooling mode, so that the heat exchanger of the indoor unit gasifies the liquid refrigerant generated by defrosting, then the liquid refrigerant enters the gas-liquid separator, and then returns to the compressor to complete defrosting operation. Although the indoor unit is in the air-out state at this time, indoor heating is also affected, and the indoor heating temperature cannot be guaranteed, thereby reducing the user experience.
Accordingly, there is a need in the art for a new air conditioner control scheme to address the above-mentioned problems.
Disclosure of Invention
In order to overcome the above-mentioned drawbacks, the present invention is proposed to solve or at least partially solve the problem that the indoor unit cannot guarantee the indoor heating temperature when the air conditioner is in the defrosting mode.
In a first aspect, the present invention provides a method for controlling an air conditioner, the air conditioner includes an outdoor unit, a floor heating unit and an indoor unit, the outdoor unit includes an outdoor unit heat exchanger, a compressor and a casing heat exchanger, the indoor unit includes an indoor unit heat exchanger, an exhaust port of the compressor is connected to a first end of the outdoor unit heat exchanger through a first four-way valve, an exhaust port of the compressor is connected to a first end of the casing heat exchanger through a second four-way valve, a second end of the casing heat exchanger is connected to a refrigerant liquid pipe of the indoor unit through a first electronic expansion valve, a second end of the outdoor unit heat exchanger is connected to a refrigerant liquid pipe of the indoor unit, the refrigerant liquid pipe of the indoor unit is connected to the indoor unit heat exchanger through an indoor unit electronic expansion valve, the indoor unit heat exchanger is connected to a refrigerant gas pipe of the indoor unit, the refrigerant gas pipe of the indoor unit is connected to a gas inlet of the compressor through the first four-way valve, the third end of the sleeve heat exchanger is connected with a water inlet pipe of the floor heating, and the fourth end of the sleeve heat exchanger is connected with a water outlet pipe of the floor heating; the method comprises the following steps:
acquiring an operation mode of the air conditioner, wherein the operation mode comprises a defrosting mode;
when the air conditioner operates in a defrosting mode, refrigerant circulation is formed among the compressor, the outdoor heat exchanger, the sleeve heat exchanger and the indoor unit by controlling the connection state of the first four-way valve and the second four-way valve and the opening and closing states of the first electronic expansion valve and the indoor unit electronic expansion valve, and water path circulation is formed between the sleeve heat exchanger and the floor heating system, so that continuous heating of the floor heating system is ensured while the air conditioner operates in the defrosting mode.
In one technical solution of the above air conditioner control method, "by controlling a connection state of the first four-way valve and the second four-way valve and an open/close state of the first electronic expansion valve, a refrigerant cycle is formed among the compressor, the outdoor heat exchanger, the casing heat exchanger, and the indoor unit, and a water path cycle is formed between the casing heat exchanger and the floor heating, so as to ensure continuous heating of the floor heating while the air conditioner operates in a defrosting mode" includes:
controlling the connection state of the first four-way valve to enable an exhaust port of the compressor to be connected with a first end of the outdoor unit heat exchanger and enable a refrigerant air pipe of the indoor unit to be connected with an air inlet of the compressor;
controlling the connection state of the second four-way valve to enable the exhaust port of the compressor to be connected with the first end of the double-pipe heat exchanger;
and controlling the opening of the first electronic expansion valve and the indoor unit electronic expansion valve to enable the second end of the double-pipe heat exchanger to be connected with a refrigerant liquid pipe of the indoor unit, so that the refrigerant output by the exhaust port of the compressor is liquefied after the heat exchange of the double-pipe heat exchanger and a water path is performed respectively and the defrosting of the outdoor unit heat exchanger is performed, liquid refrigerant enters the indoor unit heat exchanger through the indoor unit refrigerant liquid pipe to be gasified, and gaseous refrigerant returns to the air inlet of the compressor through the refrigerant air pipe of the indoor unit to form refrigerant circulation.
In one technical solution of the above air conditioner control method, the operation mode further includes a floor heating mode, an air inlet of the compressor is connected to a first end of the outdoor heat exchanger through the first four-way valve, a second end of the casing heat exchanger is connected to a second end of the outdoor heat exchanger through the first electronic expansion valve, and the method further includes:
when the air conditioner operates in a floor heating mode, refrigerant circulation is formed among the compressor, the outdoor heat exchanger and the sleeve heat exchange by controlling the connection state of the first four-way valve and the second four-way valve and the opening and closing states of the first electronic expansion valve and the indoor electronic expansion valve, so that heat exchange between the refrigerant circulation and the water path circulation in the sleeve heat exchanger is realized, and the floor heating is realized.
In one technical solution of the above air conditioner control method, "by controlling a connection state of the first four-way valve and the second four-way valve and an open/close state of the first electronic expansion valve, a refrigerant cycle is formed among the compressor, the outdoor heat exchanger, and the casing heat exchange, so as to realize heat exchange between the refrigerant cycle in the casing heat exchanger and a water path cycle, and realize heating of the floor heating" includes:
controlling the connection state of the first four-way valve to enable the first end of the outdoor unit heat exchanger to be connected with the air inlet of the compressor;
controlling the connection state of the second four-way valve to enable the exhaust port of the compressor to be connected with the first end of the double-pipe heat exchanger;
and controlling the first electronic expansion valve to be opened and the indoor unit electronic expansion valve to be closed so that the refrigerant output from the exhaust port of the compressor is liquefied after circulating heat exchange with a water path through the double-pipe heat exchanger, the liquid refrigerant enters the outdoor unit heat exchanger to be gasified, and the gaseous refrigerant returns to the air inlet of the compressor to form refrigerant circulation.
In one embodiment of the above method for controlling an air conditioner, the outdoor heat exchanger is further provided with a second electronic expansion valve, and the method further includes:
and when the air conditioner operates in a defrosting mode, controlling the second electronic expansion valve to open so as to realize the circulation of the refrigerant discharged from the air outlet of the compressor in the heat exchanger of the outdoor unit.
In one embodiment of the above method for controlling an air conditioner, the outdoor heat exchanger is further provided with a second electronic expansion valve, and the method further includes:
when the air conditioner operates in a floor heating mode, the flow of liquid refrigerant entering the outdoor unit heat exchanger from the double-pipe heat exchanger is controlled by controlling the opening degree of the second electronic expansion valve.
In a second aspect, the invention provides an air conditioner control system, the air conditioner comprises an outdoor unit, a floor heating unit and an indoor unit, the outdoor unit comprises an outdoor unit heat exchanger, a compressor and a casing heat exchanger, the indoor unit comprises an indoor unit heat exchanger, an exhaust port of the compressor is connected with a first end of the outdoor unit heat exchanger through a first four-way valve, an exhaust port of the compressor is connected with a first end of the casing heat exchanger through a second four-way valve, a second end of the casing heat exchanger is connected with a refrigerant liquid pipe of the indoor unit through a first electronic expansion valve, a second end of the outdoor unit heat exchanger is connected with a refrigerant liquid pipe of the indoor unit, the refrigerant liquid pipe of the indoor unit is connected with the indoor unit heat exchanger through an indoor unit electronic expansion valve, the indoor unit heat exchanger is connected with a refrigerant gas pipe of the indoor unit, the refrigerant gas pipe of the indoor unit is connected with a gas inlet of the compressor through the first four-way valve, the third end of the sleeve heat exchanger is connected with a water inlet pipe of the floor heating, and the fourth end of the sleeve heat exchanger is connected with a water outlet pipe of the floor heating; the system comprises:
an operation mode acquisition module configured to acquire an operation mode of the air conditioner, wherein the operation mode includes a defrost mode;
and the continuous heating control module is configured to control the connection state of the first four-way valve and the second four-way valve and the opening and closing states of the first electronic expansion valve and the indoor unit electronic expansion valve when the air conditioner runs in a defrosting mode, so that a refrigerant circulation is formed among the compressor, the outdoor heat exchanger, the sleeve heat exchanger and the indoor unit, and a water circulation is formed between the sleeve heat exchanger and the floor heating, so that the continuous heating of the floor heating is ensured while the air conditioner runs in the defrosting mode.
In a third aspect, there is provided a control device comprising a processor and a storage device adapted to store a plurality of program codes adapted to be loaded and run by the processor to perform the air conditioner control method of any one of the above-described air conditioner control method aspects.
In a fourth aspect, there is provided a computer-readable storage medium having stored therein a plurality of program codes adapted to be loaded and run by a processor to perform the air conditioner control method of any one of the above-described aspects of the air conditioner control method.
In a fifth aspect, an air conditioner is provided, where the air conditioner includes an outdoor unit, a floor heating unit, an indoor unit, and an air conditioner control system in the technical solution of the air conditioner control system or a control device in the technical solution of the control device, the outdoor unit includes an outdoor unit heat exchanger, a compressor, and a casing heat exchanger, and the indoor unit includes an indoor unit heat exchanger.
One or more technical schemes of the invention at least have one or more of the following beneficial effects:
in the technical scheme of the invention, when the air conditioner runs in the defrosting mode, the refrigerant circulation is formed among the compressor, the outdoor heat exchanger, the sleeve heat exchanger and the indoor unit and the water channel circulation is formed between the sleeve heat exchanger and the floor heating by controlling the connection state of the first four-way valve and the second four-way valve and the opening and closing state of the first electronic expansion valve and the indoor unit electronic expansion valve, so that the continuous heating of the floor heating is ensured while the air conditioner runs in the defrosting mode, the indoor heating temperature can be ensured while the air conditioner defrosts, and the user experience is effectively improved.
Drawings
The present disclosure will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are for illustrative purposes only and are not intended to be a limitation on the scope of the present disclosure. Moreover, in the drawings, like numerals are used to indicate like parts, and in which:
fig. 1 is a flowchart illustrating main steps of an air conditioner control method according to an embodiment of the present invention;
fig. 2 is a schematic view illustrating a main constituent structure of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic diagram of main constituent structures of an indoor unit and a floor heating of an air conditioner according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a main structure of an air conditioner control system according to an embodiment of the present invention.
List of reference numerals：
1: an outdoor unit; 11: an outdoor heat exchanger; 111: a second electronic expansion valve; 12: a compressor; 13: a double pipe heat exchanger; 14: a first four-way valve; 15: a second four-way valve; 16: a first electronic expansion valve; 2: an indoor unit; 21: an electronic expansion valve of the indoor unit; 3: floor heating; 4: a refrigerant gas pipe; 5: a refrigerant liquid pipe; 6: a water outlet pipe; 7: and (4) a water inlet pipe.
Detailed Description
Some embodiments of the invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
In the description of the present invention, a "module" or "processor" may include hardware, software, or a combination of both. A module may comprise hardware circuitry, various suitable sensors, communication ports, memory, may comprise software components such as program code, or may be a combination of software and hardware. The processor may be a central processing unit, a microprocessor, a digital signal processor, or any other suitable processor. The processor has data and/or signal processing functionality. The processor may be implemented in software, hardware, or a combination thereof. Non-transitory computer readable storage media include any suitable medium that can store program code, such as magnetic disks, hard disks, optical disks, flash memory, read-only memory, random-access memory, and the like. The term "a and/or B" denotes all possible combinations of a and B, such as a alone, B alone or a and B. The term "at least one A or B" or "at least one of A and B" means similar to "A and/or B" and may include only A, only B, or both A and B. The singular forms "a", "an" and "the" may include the plural forms as well.
In the prior art, when the air conditioner operates in a defrosting mode, the indoor unit cannot realize continuous heating, so that the indoor temperature cannot be ensured, and the user experience is reduced.
There is a need in the art for a new air conditioner control method to solve the above problems.
Referring to fig. 2 and 3, fig. 2 is a schematic diagram of main components of an outdoor unit of an air conditioner according to an embodiment of the present invention, and fig. 3 is a schematic diagram of main components of an indoor unit and a floor heating of an air conditioner according to an embodiment of the present invention. The air conditioner control method is applied to a novel air conditioner, the air conditioner can comprise an outdoor unit 1, a floor heating unit 3 and an indoor unit 2, the floor heating unit 3 can be one or more, the indoor unit 2 is connected with the outdoor unit 1 through a refrigerant air pipe 4 and a refrigerant liquid pipe 5, and an indoor unit electronic expansion valve 21 is arranged on the refrigerant liquid pipe 5. Ground heating 3 is connected with outdoor unit 1 through inlet tube 7 and outlet pipe 6, during high temperature water in the inlet tube 7 got into ground heating 3, after indoor heat transfer, low temperature water discharged from ground heating 3 through outlet pipe 6, be provided with metal flexible joint on the inlet tube 7, the water pressure gauge, the stop valve, the drain valve, a water pump, Y type filter, the water of inlet tube 7 reachs the water knockout drum through the water tank, the water knockout drum is connected with the first end of ground heating 3, still be provided with automatic water supply valve between water tank and the water knockout drum, automatic water supply valve is connected with running water or booster pump case. The second end of the ground heating pipe 3 is connected with a water collector, the water collector is connected with a water outlet pipe 6, a drain valve, a stop valve water pressure gauge and a metal soft joint are arranged on the water outlet pipe 6, and the water inlet pipe 7 is connected with the water outlet pipe 6 through a bypass valve. Be provided with the stop valve of intaking on the inlet tube 7, be provided with out the water stop valve on the outlet pipe 6, be provided with refrigerant liquid pipe stop valve on the refrigerant liquid pipe 5, be provided with refrigerant trachea stop valve on the refrigerant trachea 4. The air conditioner can operate an indoor heating mode and can also operate a floor heating mode when heating. The air conditioner control method provided by the embodiment of the invention mainly controls a floor heating mode and a defrosting mode.
In the embodiment of the present invention, as shown in fig. 2 and 3, the air conditioner includes an outdoor unit 1, a floor heating unit 3 and an indoor unit 2, the outdoor unit 1 includes an outdoor unit heat exchanger 11, a compressor 12 and a casing heat exchanger 13, the indoor unit 2 includes an indoor unit heat exchanger, an exhaust port of the compressor 12 is connected to a first end of the outdoor unit heat exchanger 11 through a first four-way valve 14, an exhaust port of the compressor 12 is connected to a first end of the casing heat exchanger 13 through a second four-way valve 15, a second end of the casing heat exchanger 13 is connected to a refrigerant liquid pipe 5 of the indoor unit 2 through a first electronic expansion valve 16, a second end of the outdoor unit heat exchanger 11 is connected to the refrigerant liquid pipe 5 of the indoor unit 2, the refrigerant liquid pipe 5 of the indoor unit 2 is connected to the indoor unit heat exchanger through an indoor unit electronic expansion valve 21, the indoor unit heat exchanger is connected to a refrigerant gas pipe 4 of the indoor unit 2, the refrigerant gas pipe 4 of the indoor unit 2 is connected to a gas inlet of the compressor 12 through the first four-way valve 14, the third end of the sleeve pipe heat exchanger 13 is connected with the water inlet pipe 7 of the floor heating 3, and the fourth end of the sleeve pipe heat exchanger 13 is connected with the water outlet pipe 6 of the floor heating 3.
Referring to fig. 1, fig. 1 is a flow chart illustrating main steps of an air conditioner control method according to an embodiment of the present invention. As shown in fig. 1, the air conditioner control method in the embodiment of the present invention mainly includes the following steps S101 to S102.
Step S101: the method comprises the steps of obtaining an operation mode of the air conditioner, wherein the operation mode comprises a defrosting mode.
In this embodiment, the current operation mode of the air conditioner may be obtained.
Step S102: when the air conditioner operates in the defrosting mode, refrigerant circulation is formed among the compressor 12, the outdoor heat exchanger 11, the casing heat exchanger 13 and the indoor unit 2 and water circulation is formed between the casing heat exchanger 13 and the floor heating unit 3 by controlling the connection state of the first four-way valve 14 and the second four-way valve 15 and the opening and closing state of the first electronic expansion valve 16 and the indoor unit electronic expansion valve 21, so that continuous heating of the floor heating unit 3 is ensured while the air conditioner operates in the defrosting mode.
In this embodiment, when the air conditioner operates in the defrosting mode, the refrigerant circulation is formed among the compressor 12, the outdoor heat exchanger 11, the casing heat exchanger 13, and the indoor unit 2 by controlling the connection state of the first four-way valve 14 and the second four-way valve 15 and the open/close state of the first electronic expansion valve 16 and the indoor electronic expansion valve 21, and the water path circulation is formed between the casing heat exchanger 13 and the floor heating unit 3, so that the floor heating unit 3 can also realize continuous heating while defrosting the outdoor heat exchanger 11.
Based on the steps S101 to S102, in the embodiment of the present invention, when the air conditioner operates in the defrosting mode, the connection state of the first four-way valve 14 and the second four-way valve 15 and the opening and closing state of the first electronic expansion valve 16 and the indoor unit electronic expansion valve 21 are controlled, so that refrigerant circulation is formed among the compressor 12, the outdoor heat exchanger 11, the casing heat exchanger 13, and the indoor unit 2, and water circulation is formed between the casing heat exchanger 13 and the floor heating 3, so as to ensure continuous heating of the floor heating 3 while the air conditioner operates in the defrosting mode, ensure indoor heating temperature while the air conditioner defrosts, and effectively improve user experience.
Step S102 will be further described below.
In one implementation of the embodiment of the present invention, step S102 may include the following steps S1021 to S1023:
step S1021: the connection state of the first four-way valve 14 is controlled such that the discharge port of the compressor 12 is connected to the first end of the outdoor heat exchanger 11, and the refrigerant pipe 4 of the indoor unit 2 is connected to the intake port of the compressor 12.
Step S1022: the connection state of the second four-way valve 15 is controlled such that the discharge port of the compressor 12 is connected to the first end of the double pipe heat exchanger 13.
Step S1023: the first electronic expansion valve 16 and the indoor unit electronic expansion valve 21 are controlled to be opened so that the second end of the double-pipe heat exchanger 13 is connected with the refrigerant liquid pipe 5 of the indoor unit 2, so that the refrigerant output from the exhaust port of the compressor 12 is respectively subjected to heat exchange with a water path through the double-pipe heat exchanger 13 and is liquefied after being defrosted by the outdoor unit heat exchanger 11, the liquid refrigerant enters the indoor unit heat exchanger through the refrigerant liquid pipe 5 of the indoor unit 2 to be gasified, and the gaseous refrigerant returns to the air inlet of the compressor 12 through the refrigerant air pipe 4 of the indoor unit 2 to form refrigerant circulation.
In one embodiment, the outdoor heat exchanger 11 is further provided with a second electronic expansion valve 111, and the step S102 may further include:
step S1024: the second electronic expansion valve 111 is controlled to open to allow the refrigerant discharged from the discharge port of the compressor 12 to flow through the outdoor heat exchanger 11.
In this embodiment, with continued reference to fig. 2 and 3, when the air conditioner operates in the defrost mode, d and c of the first four-way valve 14, e and s, d and e of the second four-way valve 15, and c and s may be controlled, the first electronic expansion valve 16 is opened, the second electronic expansion valve 111 is opened, and the indoor unit electronic expansion valve 21 is opened. The high-temperature high-pressure gaseous refrigerant output from the exhaust port of the compressor 12 is divided into two paths; one path of high-temperature and high-pressure gaseous refrigerant enters the double-pipe heat exchanger 13 through the second four-way valve 15, and is converted into a liquid refrigerant after exchanging heat with the water circuit circulation in the double-pipe heat exchanger 13; the other high-temperature and high-pressure gaseous refrigerant enters the first end of the outdoor heat exchanger 11 through the first four-way valve 14, is defrosted in the outdoor heat exchanger 11, and is converted into a liquid refrigerant. The liquid refrigerant output from the second end of the double pipe heat exchanger 13 is merged with the liquid refrigerant output from the outdoor heat exchanger 11 by the first electronic expansion valve 16, then enters the indoor heat exchanger through the refrigerant liquid pipe 5 and the indoor electronic expansion valve 21, after the liquid refrigerant is gasified by the indoor heat exchanger, the gaseous refrigerant passes through the refrigerant gas pipe 4 of the indoor unit 2 and returns to the air inlet of the compressor 12 through the first four-way valve 14, so as to form refrigerant circulation. And the third end of the sleeve heat exchanger 13 is connected with the water inlet pipe 7 of the floor heating unit 3, the fourth end of the sleeve heat exchanger 13 is connected with the water outlet pipe 6 of the floor heating unit 3, after the water circulation exchanges heat with the gaseous refrigerant in the sleeve heat exchanger 13, the high-temperature water enters the floor heating unit 3 through the water inlet pipe 7, after the indoor heat exchange, the high-temperature water is converted into low-temperature water, and the low-temperature water returns to the sleeve heat exchanger 13 through the water outlet pipe 6, so that the water path circulation is formed. In this way, while defrosting of the outdoor heat exchanger 11 is performed, continuous heating of the floor heater 3 can be ensured.
In one embodiment of the present invention, as shown in fig. 2 and 3, an air inlet of the compressor 12 is connected to a first end of the outdoor heat exchanger 11 through the first four-way valve 14, and a second end of the double pipe heat exchanger 13 is connected to a second end of the outdoor heat exchanger 11 through the first electronic expansion valve 16. In this embodiment, the present invention may further include the following step S103 in addition to the above step S101 and step S102:
step S103: when the air conditioner operates in a floor heating mode, refrigerant circulation is formed among the compressor 12, the outdoor heat exchanger 11 and the casing heat exchange by controlling the connection state of the first four-way valve 14 and the second four-way valve 15 and the opening and closing states of the first electronic expansion valve 16 and the indoor electronic expansion valve 21, so that heat exchange between the refrigerant circulation and the water path circulation in the casing heat exchanger 13 is realized, and heating of the floor heating 3 is realized.
In one embodiment, the opening degree of the second electronic expansion valve 111 may be controlled to control the flow rate of the liquid refrigerant entering the outdoor heat exchanger 11 from the double pipe heat exchanger 13.
In one embodiment, step S103 may include the following steps S1031 to S1033:
step S1031: the connection state of the first four-way valve 14 is controlled such that the first end of the outdoor unit heat exchanger 11 is connected to the intake port of the compressor 12.
Step S1032: the connection state of the second four-way valve 15 is controlled so that the discharge port of the compressor 12 is connected to the first end of the double pipe heat exchanger 13.
Step S1033: the first electronic expansion valve 16 is controlled to be opened, the indoor electronic expansion valve 21 is controlled to be closed, so that the refrigerant output from the exhaust port of the compressor 12 is liquefied after circulating heat exchange with a water channel through the double-pipe heat exchanger 13, the liquid refrigerant enters the outdoor unit heat exchanger 11 to be gasified, and the gaseous refrigerant returns to the air inlet of the compressor 12 to form refrigerant circulation.
In this embodiment, with reference to fig. 2 and fig. 3, when the air conditioner operates in the indoor heating mode, the communication between d and e of the first four-way valve 14, the communication between c and s, the communication between d and e of the second four-way valve 15, the communication between c and s, the opening of the first electronic expansion valve 16, the opening of the second electronic expansion valve 111, and the closing of the indoor electronic expansion valve 21 can be controlled. The high-temperature high-pressure gaseous refrigerant output from the exhaust port of the compressor 12 enters the first end of the double-pipe heat exchanger 13 through the second four-way valve 15, exchanges heat with a water path in the double-pipe heat exchanger 13 and then is converted into a liquid refrigerant, the liquid refrigerant is output from the second end of the double-pipe heat exchanger 13 and then enters the second end of the outdoor unit heat exchanger 11 through the first electronic expansion valve 16, the liquid refrigerant is gasified and converted into a gaseous refrigerant in the outdoor unit heat exchanger 11, and the gaseous refrigerant is output from the first end of the outdoor unit heat exchanger 11 and enters the air inlet of the compressor 12 through the first four-way valve 14 to form refrigerant circulation. And the third end of the double-pipe heat exchanger 13 is connected with the water inlet pipe 7 of the floor heating 3, the fourth end of the double-pipe heat exchanger 13 is connected with the water outlet pipe 6 of the floor heating 3, after the water circulation exchanges heat with the gaseous refrigerant in the double-pipe heat exchanger 13, high-temperature water enters the floor heating 3 through the water inlet pipe 7, after indoor heat exchange, the high-temperature water is converted into low-temperature water, and the low-temperature water returns to the double-pipe heat exchanger 13 through the water outlet pipe 6 to form water path circulation so as to realize the heating of the floor heating 3.
In one embodiment, the exhaust port of the compressor 12 is further provided with an exhaust temperature sensor, a high-pressure switch and a high-pressure sensor in sequence, and the air inlet of the compressor 12 is further provided with a gas-liquid separator and an air suction temperature sensor in sequence; a fluorine inlet temperature sensor is further arranged at the first end of the double-pipe heat exchanger 13, a fluorine outlet temperature sensor is further arranged at the second end of the double-pipe heat exchanger 13, a water pump and a water inlet temperature sensor are sequentially arranged at the third end of the double-pipe heat exchanger 13, and a water outlet temperature sensor is arranged at the fourth end of the double-pipe heat exchanger 13; the defrosting temperature sensor is arranged on the outdoor unit heat exchanger 11, the heat storage inlet temperature sensor, the plate heat exchanger, the heat storage outlet temperature sensor and the heat storage outlet temperature sensor are sequentially arranged at the second end of the outdoor unit heat exchanger 11, the first end of the plate heat exchanger is connected with the gas-liquid separator of the compressor, the second end of the plate heat exchanger is connected with the second end of the outdoor unit heat exchanger 11, the third end of the plate heat exchanger is connected with the second end of the outdoor unit heat exchanger 11 through third electronic expansion, and the fourth end of the plate heat exchanger is connected with the refrigerant liquid pipe 5.
It should be noted that, although the foregoing embodiments describe each step in a specific sequence, those skilled in the art will understand that, in order to achieve the effect of the present invention, different steps do not necessarily need to be executed in such a sequence, and they may be executed simultaneously (in parallel) or in other sequences, and these changes are all within the protection scope of the present invention.
Furthermore, the invention also provides an air conditioner control system.
Referring to fig. 4, fig. 4 is a main block diagram of an air conditioner control system according to an embodiment of the present invention. As shown in fig. 4, the air conditioner in the embodiment of the present invention includes an outdoor unit 1, a floor heating unit 3 and an indoor unit 2, the outdoor unit 1 includes an outdoor heat exchanger 11, a compressor 12 and a casing heat exchanger 13, the indoor unit 2 includes an indoor heat exchanger, an exhaust port of the compressor 12 is connected to a first end of the outdoor heat exchanger 11 through a first four-way valve 14, an exhaust port of the compressor 12 is connected to a first end of the casing heat exchanger 13 through a second four-way valve 15, a second end of the casing heat exchanger 13 is connected to a refrigerant liquid pipe 5 of the indoor unit 2 through a first electronic expansion valve 16, a second end of the outdoor heat exchanger 11 is connected to the refrigerant liquid pipe 5 of the indoor unit 2, the refrigerant liquid pipe 5 of the indoor unit 2 is connected to the indoor heat exchanger through an indoor unit electronic expansion valve 21, the indoor heat exchanger is connected to a refrigerant gas pipe 4 of the indoor unit 2, the refrigerant gas pipe 4 of the indoor unit 2 is connected to a gas inlet of the compressor 12 through the first four-way valve 14, the third end of the sleeve pipe heat exchanger 13 is connected with the water inlet pipe 7 of the floor heating 3, and the fourth end of the sleeve pipe heat exchanger 13 is connected with the water outlet pipe 6 of the floor heating 3. The air conditioner control system may include an operation mode acquisition module and a continuous heating control module. In this embodiment, the operation mode acquiring module may be configured to acquire an operation mode of the air conditioner, wherein the operation mode includes a defrosting mode. The continuous heating control module can be configured to control the connection state of the first four-way valve 14 and the second four-way valve 15 and the opening and closing states of the first electronic expansion valve 16 and the indoor unit electronic expansion valve 21 when the air conditioner operates in the defrosting mode, so that a refrigerant cycle is formed among the compressor 12, the outdoor heat exchanger 11, the casing heat exchanger 13 and the indoor unit 2, and a water cycle is formed between the casing heat exchanger 13 and the floor heating 3, so as to ensure continuous heating of the floor heating 3 while the air conditioner operates in the defrosting mode.
In the air conditioner control system described above for implementing the embodiment of the air conditioner control method shown in fig. 1, the technical principles, the solved technical problems, and the generated technical effects of the two are similar, and it can be clearly understood by those skilled in the art that for convenience and brevity of description, the specific working process and related descriptions of the air conditioner control system may refer to the contents described in the embodiment of the air conditioner control method, and are not repeated herein.
It will be understood by those skilled in the art that all or part of the flow of the method according to the above-described embodiment may be implemented by a computer program, which may be stored in a computer-readable storage medium and used to implement the steps of the above-described embodiments of the method when the computer program is executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable storage medium may include: any entity or device capable of carrying said computer program code, media, usb disk, removable hard disk, magnetic diskette, optical disk, computer memory, read-only memory, random access memory, electrical carrier wave signals, telecommunication signals, software distribution media, etc. It should be noted that the computer readable storage medium may contain content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable storage media that does not include electrical carrier signals and telecommunications signals in accordance with legislation and patent practice.
Furthermore, the invention also provides a control device. In one control device embodiment according to the present invention, the control device includes a processor and a storage device, the storage device may be configured to store a program for executing the air conditioner control method of the above-described method embodiment, and the processor may be configured to execute the program in the storage device, the program including but not limited to the program for executing the air conditioner control method of the above-described method embodiment. For convenience of explanation, only the parts related to the embodiments of the present invention are shown, and specific technical details are not disclosed. The control device may be a control device apparatus formed including various electronic apparatuses.
Further, the invention also provides a computer readable storage medium. In one computer-readable storage medium embodiment according to the present invention, a computer-readable storage medium may be configured to store a program that executes the air conditioner control method of the above-described method embodiment, and the program may be loaded and executed by a processor to implement the above-described air conditioner control method. For convenience of explanation, only the parts related to the embodiments of the present invention are shown, and details of the specific techniques are not disclosed. The computer readable storage medium may be a storage device formed by including various electronic devices, and optionally, the computer readable storage medium is a non-transitory computer readable storage medium in the embodiment of the present invention.
Further, the invention also provides an air conditioner. In an embodiment of an air conditioner according to the present invention, the air conditioner includes an outdoor unit 1, a floor heating unit 3, an indoor unit 2, and a control system of the air conditioner in the above embodiment of the air conditioner system, or a control device in the above embodiment of the control device, the outdoor unit 1 includes an outdoor unit heat exchanger 11, a compressor 12, and a casing heat exchanger 13, and the indoor unit 2 includes an indoor unit heat exchanger.
Further, it should be understood that, since the modules are only configured to illustrate the functional units of the apparatus of the present invention, the corresponding physical devices of the modules may be the processor itself, or a part of software, a part of hardware, or a part of a combination of software and hardware in the processor. Thus, the number of individual modules in the figures is merely illustrative.
Those skilled in the art will appreciate that the various modules in the apparatus may be adaptively split or combined. Such splitting or combining of specific modules does not cause the technical solutions to deviate from the principle of the present invention, and therefore, the technical solutions after splitting or combining will fall within the protection scope of the present invention.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. A control method of an air conditioner is characterized in that the air conditioner comprises an outdoor unit, a floor heating unit and an indoor unit, the outdoor unit comprises an outdoor unit heat exchanger, a compressor and a casing heat exchanger, the indoor unit comprises an indoor unit heat exchanger, an exhaust port of the compressor is connected with a first end of the outdoor unit heat exchanger through a first four-way valve, an exhaust port of the compressor is connected with a first end of the casing heat exchanger through a second four-way valve, a second end of the casing heat exchanger is connected with a refrigerant liquid pipe of the indoor unit through a first electronic expansion valve, a second end of the outdoor unit heat exchanger is connected with a refrigerant liquid pipe of the indoor unit, the refrigerant liquid pipe of the indoor unit is connected with the indoor unit heat exchanger through an indoor unit electronic expansion valve, the indoor unit heat exchanger is connected with a refrigerant gas pipe of the indoor unit, and the refrigerant gas pipe of the indoor unit is connected with a gas inlet of the compressor through the first four-way valve, the third end of the sleeve heat exchanger is connected with a water inlet pipe of the floor heating, and the fourth end of the sleeve heat exchanger is connected with a water outlet pipe of the floor heating; the method comprises the following steps:
acquiring an operation mode of the air conditioner, wherein the operation mode comprises a defrosting mode;
when the air conditioner operates in a defrosting mode, refrigerant circulation is formed among the compressor, the outdoor heat exchanger, the sleeve heat exchanger and the indoor unit by controlling the connection state of the first four-way valve and the second four-way valve and the opening and closing states of the first electronic expansion valve and the indoor unit electronic expansion valve, and water path circulation is formed between the sleeve heat exchanger and the floor heating system, so that continuous heating of the floor heating system is ensured while the air conditioner operates in the defrosting mode.
2. The air conditioner control method according to claim 1, wherein the step of ensuring continuous heating of the floor heating while the air conditioner operates in the defrosting mode by controlling a connection state of the first four-way valve and the second four-way valve and an open/close state of the first electronic expansion valve to form a refrigerant circulation among the compressor, the outdoor heat exchanger, the sleeve heat exchanger, and the indoor unit and a water circulation between the sleeve heat exchanger and the floor heating comprises:
controlling the connection state of the first four-way valve to enable an exhaust port of the compressor to be connected with a first end of the outdoor unit heat exchanger and enable a refrigerant air pipe of the indoor unit to be connected with an air inlet of the compressor;
controlling the connection state of the second four-way valve to enable the exhaust port of the compressor to be connected with the first end of the double-pipe heat exchanger;
and controlling the opening of the first electronic expansion valve and the indoor unit electronic expansion valve to enable the second end of the double-pipe heat exchanger to be connected with a refrigerant liquid pipe of the indoor unit, so that the refrigerant output by the exhaust port of the compressor is liquefied after the heat exchange of the double-pipe heat exchanger and a water path is performed respectively and the defrosting of the outdoor unit heat exchanger is performed, liquid refrigerant enters the indoor unit heat exchanger through the refrigerant liquid pipe of the indoor unit for gasification, and gaseous refrigerant returns to the air inlet of the compressor through the refrigerant air pipe of the indoor unit to form refrigerant circulation.
3. The method of claim 1, wherein the operation modes further include a floor heating mode, an air inlet of the compressor is connected to a first end of the outdoor heat exchanger through the first four-way valve, and a second end of the casing heat exchanger is connected to a second end of the outdoor heat exchanger through the first electronic expansion valve, the method further comprising:
when the air conditioner operates in a floor heating mode, refrigerant circulation is formed among the compressor, the outdoor heat exchanger and the sleeve heat exchange by controlling the connection state of the first four-way valve and the second four-way valve and the opening and closing states of the first electronic expansion valve and the indoor electronic expansion valve, so that heat exchange between the refrigerant circulation and the water path circulation in the sleeve heat exchanger is realized, and the floor heating is realized.
4. The air conditioner control method according to claim 3, wherein the step of "controlling the connection state of the first four-way valve and the second four-way valve and the opening/closing state of the first electronic expansion valve to form a refrigerant circulation among the compressor, the outdoor heat exchanger and the casing heat exchange to realize the heat exchange between the refrigerant circulation and the water circulation in the casing heat exchanger, so as to realize the heating of the floor heating" comprises:
controlling the connection state of the first four-way valve to enable the first end of the outdoor unit heat exchanger to be connected with the air inlet of the compressor;
controlling the connection state of the second four-way valve to enable the exhaust port of the compressor to be connected with the first end of the double-pipe heat exchanger;
and controlling the first electronic expansion valve to be opened and the indoor unit electronic expansion valve to be closed so that the refrigerant output from the exhaust port of the compressor is liquefied after circulating heat exchange with a water path through the double-pipe heat exchanger, the liquid refrigerant enters the outdoor unit heat exchanger to be gasified, and the gaseous refrigerant returns to the air inlet of the compressor to form refrigerant circulation.
5. The method of claim 2, wherein a second electronic expansion valve is further disposed on the outdoor heat exchanger, and the method further comprises:
and when the air conditioner operates in a defrosting mode, controlling the opening of the second electronic expansion valve to realize the circulation of the refrigerant discharged from the air outlet of the compressor in the heat exchanger of the outdoor unit.
6. The method of claim 4, wherein a second electronic expansion valve is further disposed on the outdoor heat exchanger, and the method further comprises:
when the air conditioner operates in a floor heating mode, the flow of liquid refrigerant entering the outdoor unit heat exchanger from the double-pipe heat exchanger is controlled by controlling the opening degree of the second electronic expansion valve.
7. An air conditioner control system is characterized in that the air conditioner comprises an outdoor unit, a floor heating unit and an indoor unit, the outdoor unit comprises an outdoor unit heat exchanger, a compressor and a casing heat exchanger, the indoor unit comprises an indoor unit heat exchanger, an exhaust port of the compressor is connected with a first end of the outdoor unit heat exchanger through a first four-way valve, an exhaust port of the compressor is connected with a first end of the casing heat exchanger through a second four-way valve, a second end of the casing heat exchanger is connected with a refrigerant liquid pipe of the indoor unit through a first electronic expansion valve, a second end of the outdoor unit heat exchanger is connected with the refrigerant liquid pipe of the indoor unit, the refrigerant liquid pipe of the indoor unit is connected with the indoor unit heat exchanger through an indoor unit electronic expansion valve, the indoor unit heat exchanger is connected with a refrigerant gas pipe of the indoor unit, and the refrigerant gas pipe of the indoor unit is connected with a gas inlet of the compressor through the first four-way valve, the third end of the sleeve heat exchanger is connected with a water inlet pipe of the floor heating, and the fourth end of the sleeve heat exchanger is connected with a water outlet pipe of the floor heating; the system comprises:
an operation mode acquisition module configured to acquire an operation mode of the air conditioner, wherein the operation mode includes a defrost mode;
and the continuous heating control module is configured to control the connection state of the first four-way valve and the second four-way valve and the opening and closing states of the first electronic expansion valve and the indoor unit electronic expansion valve when the air conditioner runs in a defrosting mode, so that a refrigerant circulation is formed among the compressor, the outdoor heat exchanger, the sleeve heat exchanger and the indoor unit, and a water circulation is formed between the sleeve heat exchanger and the floor heating, so that the continuous heating of the floor heating is ensured while the air conditioner runs in the defrosting mode.
8. A control device comprising a processor and a memory device adapted to store a plurality of program codes, characterized in that said program codes are adapted to be loaded and run by said processor to perform the air conditioner control method according to any one of claims 1 to 6.
9. A computer-readable storage medium having a plurality of program codes stored therein, wherein the program codes are adapted to be loaded and executed by a processor to perform the air conditioner control method according to any one of claims 1 to 6.
10. An air conditioner, characterized in that, the air conditioner includes outdoor unit, floor heating, indoor unit and the air conditioner control system of claim 7 or the control device of claim 8, the outdoor unit includes outdoor unit heat exchanger, compressor and double pipe heat exchanger, the indoor unit includes indoor unit heat exchanger.
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| CN202210406456.2A CN114719401A (en) | 2022-04-18 | 2022-04-18 | Air conditioner control method, system, device, medium and air conditioner |
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| CN202210406456.2A CN114719401A (en) | 2022-04-18 | 2022-04-18 | Air conditioner control method, system, device, medium and air conditioner |
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10170109A (en) * | 1996-12-04 | 1998-06-26 | Hitachi Ltd | Control method for defrosting of air conditioner |
| CN102645060A (en) * | 2012-03-30 | 2012-08-22 | 美的集团有限公司 | Multi-split air conditioning system |
| CN102679482A (en) * | 2012-05-25 | 2012-09-19 | 宁波奥克斯空调有限公司 | Heat recovery multiplex system based on variable-frequency air conditioner and control method thereof |
| CN203533671U (en) * | 2013-08-02 | 2014-04-09 | 浙江创能新能源科技有限公司 | Integrated air energy heat pump set used for floor heating |
| CN104729161A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN109210820A (en) * | 2018-09-13 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of multifunctional heat pump and its switching method for implementing different function |
| CN110645745A (en) * | 2019-10-23 | 2020-01-03 | 珠海格力电器股份有限公司 | Air conditioner capable of continuously heating and control method thereof |
| CN110926072A (en) * | 2019-11-21 | 2020-03-27 | 广东美的暖通设备有限公司 | Multi-split air conditioning system and defrosting control method, control device and storage medium thereof |
| CN111765596A (en) * | 2020-07-14 | 2020-10-13 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting method and device and air conditioning system |
| CN112944522A (en) * | 2021-04-07 | 2021-06-11 | 南京天加环境科技有限公司 | Air conditioner, floor heating and domestic hot water triple co-generation system |
| CN114279046A (en) * | 2021-12-31 | 2022-04-05 | 珠海格力电器股份有限公司 | Defrosting control method and controller suitable for modular multi-split air conditioning system and air conditioner |
| CN216204464U (en) * | 2021-10-29 | 2022-04-05 | 山东力诺瑞特新能源有限公司 | Dual-system air source heat pump with defrosting function |
-
2022
- 2022-04-18 CN CN202210406456.2A patent/CN114719401A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10170109A (en) * | 1996-12-04 | 1998-06-26 | Hitachi Ltd | Control method for defrosting of air conditioner |
| CN102645060A (en) * | 2012-03-30 | 2012-08-22 | 美的集团有限公司 | Multi-split air conditioning system |
| CN102679482A (en) * | 2012-05-25 | 2012-09-19 | 宁波奥克斯空调有限公司 | Heat recovery multiplex system based on variable-frequency air conditioner and control method thereof |
| CN203533671U (en) * | 2013-08-02 | 2014-04-09 | 浙江创能新能源科技有限公司 | Integrated air energy heat pump set used for floor heating |
| CN104729161A (en) * | 2013-12-19 | 2015-06-24 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN109210820A (en) * | 2018-09-13 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of multifunctional heat pump and its switching method for implementing different function |
| CN110645745A (en) * | 2019-10-23 | 2020-01-03 | 珠海格力电器股份有限公司 | Air conditioner capable of continuously heating and control method thereof |
| CN110926072A (en) * | 2019-11-21 | 2020-03-27 | 广东美的暖通设备有限公司 | Multi-split air conditioning system and defrosting control method, control device and storage medium thereof |
| CN111765596A (en) * | 2020-07-14 | 2020-10-13 | 宁波奥克斯电气股份有限公司 | Air conditioner defrosting method and device and air conditioning system |
| CN112944522A (en) * | 2021-04-07 | 2021-06-11 | 南京天加环境科技有限公司 | Air conditioner, floor heating and domestic hot water triple co-generation system |
| CN216204464U (en) * | 2021-10-29 | 2022-04-05 | 山东力诺瑞特新能源有限公司 | Dual-system air source heat pump with defrosting function |
| CN114279046A (en) * | 2021-12-31 | 2022-04-05 | 珠海格力电器股份有限公司 | Defrosting control method and controller suitable for modular multi-split air conditioning system and air conditioner |
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