CN116592474A - Defrosting control method, device and equipment for air conditioner and storage medium - Google Patents

Defrosting control method, device and equipment for air conditioner and storage medium Download PDF

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Publication number
CN116592474A
CN116592474A CN202310580403.7A CN202310580403A CN116592474A CN 116592474 A CN116592474 A CN 116592474A CN 202310580403 A CN202310580403 A CN 202310580403A CN 116592474 A CN116592474 A CN 116592474A
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CN
China
Prior art keywords
air conditioner
defrosting
machine
target
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310580403.7A
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Chinese (zh)
Inventor
陈炽明
张欢
戎耀鹏
黎顺全
马超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Publication date
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Priority to CN202310580403.7A priority Critical patent/CN116592474A/en
Publication of CN116592474A publication Critical patent/CN116592474A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/43—Defrosting; Preventing freezing of indoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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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)
  • Human Computer Interaction (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to the field of air conditioner technologies, and in particular, to a method, an apparatus, a device, and a storage medium for controlling defrosting of an air conditioner. According to the invention, the inner machine connected with the outer machine in the multi-split air conditioner is identified, so that a corresponding defrosting strategy is executed according to the type of the connected inner machine, wherein when the outer machine is connected with the air conditioner inner machine and/or the hydraulic module, the operation frequency of the compressor in a defrosting mode is determined according to the water outlet temperature of the hydraulic module and/or the number of target air conditioner inner machines in a shutdown state, and further defrosting operation is executed, and the technical problem that the defrosting effect is poor due to the fact that the indoor temperature is too low when the multi-split air conditioner in the prior art is used for defrosting is avoided, the defrosting effect is improved, and the use experience of a user is improved.

Description

Defrosting control method, device and equipment for air conditioner and storage medium
Technical Field
The present invention relates to the field of air conditioner technologies, and in particular, to a method, an apparatus, a device, and a storage medium for controlling defrosting of an air conditioner.
Background
The multi-connected water heater is generally matched with a plurality of air conditioner indoor units and one or more hydraulic modules, the air conditioner indoor units are used for adjusting room temperature, the hydraulic modules are used for heating water, if the multi-connected air conditioner operates in a heating mode under a low-temperature environment, the temperature at the outer machine can be reduced, the risk of frosting exists, the air conditioner is required to operate to defrost through a reversing four-way valve, when the air conditioner is frosted, the indoor heat exchanger of the air conditioner indoor units is used as an evaporator, the indoor temperature can be reduced, and if the indoor temperature is reduced too much, the frosting effect of the air conditioner is further reduced, and the use experience of users in a room is affected.
The foregoing is provided merely for the purpose of facilitating understanding of the technical solutions of the present invention and is not intended to represent an admission that the foregoing is prior art.
Disclosure of Invention
The invention mainly aims to provide a defrosting control method, device and equipment for an air conditioner and a storage medium, and aims to solve the technical problem that the defrosting effect is poor due to too low indoor temperature when a multi-split air conditioner in the prior art is used for defrosting.
In order to achieve the above object, the present invention provides an air conditioner defrosting control method, which is applied to a multi-split air conditioner, the multi-split air conditioner comprising: the air conditioner comprises an outer machine, a plurality of air conditioner inner machines and a hydraulic module, wherein the outer machine is respectively connected with each air conditioner inner machine and/or the hydraulic module, and the outer machine is provided with a compressor;
the method comprises the following steps:
identifying an inner machine connected with the outer machine when the air conditioner operates in a defrosting mode;
when the external machine is connected with the air conditioner internal machine and/or the hydraulic module, acquiring the water outlet temperature of the hydraulic module and/or the number of target air conditioner internal machines in a shutdown state;
and adjusting the operation frequency of the compressor according to the outlet water temperature and/or the number of the target air conditioner indoor units so as to execute defrosting operation.
Optionally, after the identifying the internal machine connected with the external machine, the method further includes:
when the external machine is connected with the hydraulic module, acquiring the water outlet temperature of the hydraulic module;
and adjusting the operation frequency of the compressor according to the temperature interval where the outlet water temperature is and a preset mapping relation.
Optionally, the hydraulic module comprises an electric auxiliary heating device;
after the water outlet temperature of the hydraulic module is obtained, the method further comprises the following steps:
and when the water outlet temperature is smaller than a preset temperature threshold, starting the electric auxiliary heating device to quickly defrost.
Optionally, after the identifying the internal machine connected with the external machine, the method further includes:
when the external machine is connected with the air conditioner internal machine, acquiring the number of target air conditioner internal machines in a shutdown state;
and when the number of the target air conditioners is larger than or equal to a preset threshold value, adjusting the running frequency of the compressor according to the preset defrosting frequency.
Optionally, after the obtaining the number of the target air conditioner indoor units in the shutdown state, the method further includes:
when the number of the target air conditioner indoor units is smaller than a preset threshold value, a preset period is arranged at intervals, and the indoor environment temperature of the area where the air conditioner indoor units are located in a starting state is obtained;
Determining a target defrosting inner machine according to the indoor environment temperature;
controlling the target internal machine to stop defrosting and updating the number of the target internal machines in the stopped defrosting state;
and adjusting the operation frequency of the compressor according to the preset defrosting frequency and the updated target number of internal machines until the air conditioner exits from a defrosting mode or the operation frequency of the compressor reaches a rated defrosting frequency.
Optionally, after the identifying the internal machine connected with the external machine, the method further includes:
when the outer machine is connected with the air conditioner inner machine and the hydraulic module, acquiring the water outlet temperature of the hydraulic module and the defrosting duration time of the air conditioner;
determining the target operating frequency of the compressor according to a temperature interval where the outlet water temperature is and a preset mapping relation;
and when the defrosting duration time is smaller than a preset duration time, controlling the compressor to operate at the target operating frequency.
Optionally, after determining the target operating frequency of the compressor according to the temperature interval in which the outlet water temperature is located and the preset mapping relationship, the method further includes:
when the defrosting duration is longer than or equal to the preset duration, a preset period is arranged at intervals, and the indoor environment temperature of the area where the air conditioner indoor unit is located in a starting state is obtained;
Determining a target defrosting inner machine according to the indoor environment temperature;
controlling the target internal machine to stop defrosting and updating the number of the target internal machines in the stopped defrosting state;
and adjusting the operation frequency of the compressor according to the target operation frequency and the updated number of the target internal machines until the air conditioner exits the defrosting mode or the operation frequency of the compressor reaches the rated defrosting frequency.
In addition, in order to achieve the above object, the present invention also provides an air conditioner defrosting control device, which includes:
the identification module is used for identifying an inner machine connected with the outer machine when the air conditioner operates in a defrosting mode;
the acquisition module is used for acquiring the water outlet temperature of the hydraulic module and/or the number of target air conditioner indoor units in a shutdown state when the outer machine is connected with the air conditioner indoor units and/or the hydraulic module;
and the adjusting module is used for adjusting the running frequency of the compressor according to the outlet water temperature and/or the number of the target air conditioner indoor units so as to execute defrosting operation.
In addition, to achieve the above object, the present invention also proposes an air conditioner defrosting control device comprising: the air conditioner defrosting control device comprises a memory, a processor and an air conditioner defrosting control program which is stored on the memory and can run on the processor, wherein the air conditioner defrosting control program is configured to realize the steps of the air conditioner defrosting control method.
In addition, in order to achieve the above object, the present invention also proposes a storage medium having stored thereon an air conditioner defrosting control program which, when executed by a processor, implements the steps of the air conditioner defrosting control method as described above.
According to the invention, the inner machine connected with the outer machine in the multi-split air conditioner is identified, so that a corresponding defrosting strategy is executed according to the type of the connected inner machine, wherein when the outer machine is connected with the air conditioner inner machine and/or the hydraulic module, the operation frequency of the compressor in a defrosting mode is determined according to the water outlet temperature of the hydraulic module and/or the number of target air conditioner inner machines in a shutdown state, and further defrosting operation is executed, and the technical problem that the defrosting effect is poor due to the fact that the indoor temperature is too low when the multi-split air conditioner in the prior art is used for defrosting is avoided, the defrosting effect is improved, and the use experience of a user is improved.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner defrosting control device of a hardware operation environment according to an embodiment of the present invention;
FIG. 2 is a flow chart of a first embodiment of a defrosting control method of an air conditioner according to the present invention;
FIG. 3 is a schematic diagram of a multi-split air conditioner according to an embodiment of the present invention;
FIG. 4 is a flow chart of a second embodiment of a defrosting control method of an air conditioner according to the present invention;
FIG. 5 is a flow chart of a third embodiment of a defrosting control method of an air conditioner according to the present invention;
FIG. 6 is a flowchart of a fourth embodiment of a defrosting control method of an air conditioner according to the present invention;
fig. 7 is a block diagram showing a first embodiment of a defrosting control device for an air conditioner according to the present invention.
Reference numerals illustrate:
reference numerals Name of the name Reference numerals Name of the name
1 External machine 16 Pressure valve
2 Air conditioner indoor unit 31 Water side heat exchanger
3 Hydraulic module 32 Water pump
11 Compressor 33 Manual valve
12 Vapor-liquid separator 34 Electric auxiliary heating device
13 Four-way valve 35 Reversing device
14 Outdoor heat exchanger 36 Water tank
15 Throttling element 37 Heating coil
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an air conditioner defrosting control device in a hardware operation environment according to an embodiment of the present invention.
As shown in fig. 1, the air conditioner defrosting control device may include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, a memory 1005. Wherein the communication bus 1002 is used to enable connected communication between these components. The user interface 1003 may include a Display, an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may further include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a Wireless interface (e.g., a Wireless-Fidelity (Wi-Fi) interface). The Memory 1005 may be a high-speed random access Memory (Random Access Memory, RAM) or a stable nonvolatile Memory (NVM), such as a disk Memory. The memory 1005 may also optionally be a storage device separate from the processor 1001 described above.
It will be appreciated by those skilled in the art that the structure shown in fig. 1 does not constitute a limitation of the air conditioner defrosting control device, and may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
As shown in fig. 1, an operating system, a network communication module, a user interface module, and an air conditioner defrosting control program may be included in a memory 1005 as one storage medium.
In the air conditioner defrosting control device shown in fig. 1, the network interface 1004 is mainly used for data communication with a network server; the user interface 1003 is mainly used for data interaction with a user; the processor 1001 and the memory 1005 in the air conditioner defrosting control device of the present invention may be disposed in the air conditioner defrosting control device, and the air conditioner defrosting control device invokes the air conditioner defrosting control program stored in the memory 1005 through the processor 1001 and executes the air conditioner defrosting control method provided by the embodiment of the present invention.
The embodiment of the invention provides a defrosting control method for an air conditioner, and referring to fig. 2, fig. 2 is a flow chart of a first embodiment of the defrosting control method for the air conditioner.
In this embodiment, the defrosting control method of the air conditioner includes the following steps:
Step S10: and when the air conditioner operates in a defrosting mode, identifying an inner machine connected with the outer machine.
It should be noted that, the execution body of the embodiment may be the air conditioner device, and the air conditioner device has functions of data processing, data communication, program running, and the like, and the air conditioner device may be a controller of the multi-split air conditioner. Of course, other devices with similar functions may be used, and the implementation conditions are not limited thereto. For convenience of explanation, the present embodiment will be described with reference to a controller of a multi-split air conditioner.
It should be noted that, the air conditioner in this embodiment refers to a multi-split air conditioner, where one external machine is connected to multiple internal machines, and the multi-split air conditioner can implement the functions of adjusting parameters such as air temperature, humidity, cleanliness, air flow rate and the like of multiple rooms at the same time, including but not limited to modes such as refrigeration, heating, fresh air circulation and the like.
It should be noted that, referring to fig. 3, the multi-split air conditioner in this embodiment includes an outer machine, an inner air conditioner and a hydraulic module, the outer machine is connected with each inner air conditioner and the hydraulic module, and the outer machine 1 includes: the compressor 11, the vapor-liquid separator 12, the four-way valve 13, the outdoor heat exchanger 14, the throttling element 15 and the pressure valve 16, wherein the throttling element 15 comprises a main capillary tube and a plurality of electronic expansion valves, the number of the throttling element 15 corresponds to the sum of the number of the air conditioner internal units 2 connected with the external machine and the number of the hydraulic module 3, namely the sum of the number of the main capillary tube and the number of each branch, and the electronic expansion valves are arranged on the corresponding branch of each air conditioner internal unit 2 and the corresponding branch of the hydraulic module 3, the opening degree of the throttling element adjusted in the embodiment refers to the opening degree of the electronic expansion valves, and the throttling element with the same or similar functions such as an expansion pipe or a throttling valve can be used for replacing the electronic expansion valves in the application, and the embodiment is not particularly limited.
It can be understood that, in the multi-split air conditioner of this embodiment, the output end of the compressor 11 is connected to the first communication port of the four-way valve 13, and is connected to the pressure valve 16 (low-pressure valve) through the second communication port of the four-way valve 13, so as to be convenient for conveying to the air conditioner indoor unit 2 or the hydraulic module 3 for heat exchange, after the heat exchange is completed, the air flows back to the electronic expansion valve through the pressure valve 16 (high-pressure valve), and then is conveyed to the outdoor heat exchanger 14 through the main capillary tube for evaporation and heat absorption, at this time, the outdoor heat exchanger 14 is used as an evaporator, and finally flows through the vapor-liquid separator 12 through the third communication port and the fourth communication port of the four-way valve 13, and returns to the compressor 11, so that the next heating is facilitated, wherein the number of the high-pressure valves is twice that of the electronic expansion valves.
Further, the hydraulic module in the present embodiment includes: heat transfer module, reversing device, first water route and second water route, wherein, reversing device can be the three-way valve, and heat transfer module includes: the water side heat exchanger 31, the water pump 32, the manual valve 33 and the electric auxiliary heating device 34, wherein the manual valve 33 can be a manual ball valve or other devices with the same or similar switch valve functions, the water side input end of the water side heat exchanger 31 is connected with the output end of the water pump 32, the water side output end of the water side heat exchanger 31 is connected with the electric auxiliary heating device 34, the refrigerant side input end of the water side heat exchanger 31 is connected with the pressure valve 16 in the external machine 1, the refrigerant side output end of the water side heat exchanger 31 is connected with the electronic expansion valve of the external machine 1, the input end of the water pump 32 is connected with the first end of the first manual valve, the second end of the first manual valve can be connected with the water tank 36 according to different waterways, and can also be connected with the heating coil 37, the output end of the electric auxiliary heating device 34 is connected with the first end of the second manual valve, the second end of the second manual valve is connected with the first end of the reversing device 35, and the second manual valve is connected with the first waterway of the heating coil 36 or the water channel 37 according to different waterways of the first waterway 36.
According to the embodiment, the waterway in the hydraulic module is divided into the first waterway and the second waterway according to different requirements, wherein the first waterway and the second waterway are connected with the heat exchange module through the reversing device, and when water heating is required, the normal-open end of the three-way valve is connected with the first gating end, so that the water side heat exchanger, the water pump, the electric auxiliary heating device, the manual valve, the three-way valve and the water tank form the first waterway, and the water heating requirement is realized; when heating is needed, the normal open end of the three-way valve is connected with the second open end, so that the water side heat exchanger, the water pump, the electric auxiliary heating device, the manual valve, the three-way valve and the heating coil form a second waterway, and the floor heating requirement is met.
In specific implementation, when the indoor air conditioner of the multi-split air conditioner is used for heating operation, a refrigerant is compressed by a compressor to obtain a high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant is conveyed to an indoor heat exchanger through a four-way valve to be condensed and radiated, after heat exchange between the indoor heat exchanger and an indoor environment, the medium-temperature and high-pressure refrigerant is obtained, the medium-temperature and low-pressure refrigerant is obtained through throttling elements such as the electronic expansion valve and a main capillary tube, the medium-temperature and low-pressure refrigerant is conveyed to an outdoor heat exchanger to be evaporated, the low-temperature and low-pressure refrigerant is obtained, and finally the low-temperature and low-pressure refrigerant flows back to the compressor through the four-way valve to complete a single heating process.
Meanwhile, the hydraulic module operation of the multi-split air conditioner comprises two modes of ground heating and water heating, when the ground heating and water heating operation of the multi-split air conditioner is performed, a refrigerant is compressed by a compressor to obtain a high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant is conveyed to a water side heat exchanger in a heat exchange module through a four-way valve to be condensed and radiated, the water side heat exchanger serves as a condenser, the water temperature obtained after heat exchange with a water channel in the water side heat exchanger is higher than the water inlet temperature, the water channel flowing through the water side heat exchanger is heated, the medium-temperature and high-pressure refrigerant is obtained, the low-temperature and medium-temperature refrigerant is obtained through throttling elements such as an electronic expansion valve and a main capillary tube, the refrigerant is conveyed to an outdoor heat exchanger to be evaporated, the low-temperature and low-pressure refrigerant is finally returned to the compressor through the four-way valve, the single heating process is completed, and meanwhile, the heated water channel hot water returns to a heating coil through an electric auxiliary device and the three-way valve so as to conveniently realize ground heating.
Meanwhile, when the heating water of the multi-split air conditioner runs, the refrigerant is compressed by the compressor to obtain a high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant is conveyed to the water side heat exchanger in the heat exchange module through the four-way valve to be condensed and radiated, the water side heat exchanger is used as the condenser, the water temperature is higher than the water inlet temperature after heat exchange with the water channel in the water side heat exchanger, the water channel flowing through the water side heat exchanger is heated, the medium-temperature and high-pressure refrigerant is obtained, the medium-temperature and low-temperature refrigerant is obtained through the throttling element such as the electronic expansion valve and the main capillary tube, the low-temperature and medium-temperature refrigerant is conveyed to the outdoor heat exchanger to be evaporated, the low-temperature and low-pressure refrigerant is finally returned to the compressor through the four-way valve, the single heating process is completed, meanwhile, the heated water channel flows back to the water tank through the electric auxiliary heat device and the three-way valve to realize the heating of the water, and the water tank is stored if the redundant hot water exists, and the water can be used next time.
It should be noted that, the defrosting mode of the air conditioner means that the air conditioner is operated in a low temperature environment, because the temperature of the outdoor heat exchanger of the outdoor machine is low due to heating of the air conditioner, frosting is caused, at this time, the outdoor heat exchanger is used as a condenser by reversing the four-way valve, so that the temperature of the outdoor heat exchanger is increased, similar to the heating mode, at this time, the outdoor heat exchanger is a condenser, and the indoor heat exchanger is an evaporator.
It can be understood that the internal units in this embodiment may be an air conditioner internal unit and a hydraulic module internal unit, so that the internal units connected with the external unit may be combined into a single hydraulic module internal unit, a single air conditioner internal unit, and three cases of connecting the hydraulic module internal unit and the air conditioner internal unit at the same time.
In a specific implementation, in order to identify the internal machine connected with the external machine, the marking position connected with the external machine can be identified, so that whether the air conditioner internal machine is a hydraulic module or not when the type of the internal machine is connected is determined according to the marking position.
Step S20: when the external machine is connected with the air conditioner internal machine and/or the hydraulic module, the water outlet temperature of the hydraulic module and/or the number of target air conditioner internal machines in a shutdown state are obtained.
It should be understood that when the external machine is only connected with the air conditioner internal machine, the operation frequency of the compressor is only related to the heating capacity of the air conditioner internal machine, and the multi-split air conditioner can be connected with a plurality of air conditioner internal machines at the same time.
When the external machine is connected with the air conditioner internal machine, the defrosting can be realized by controlling the air conditioner to operate in a refrigerating mode, starting the first type of air conditioner internal machine in a shutdown state, and simultaneously closing the second type of air conditioner internal machine in the starting state, so that the indoor heat exchanger of the first type of air conditioner internal machine is used as an evaporator, the influence of the second type of air conditioner internal machine by a refrigerant is avoided, and the temperature of a room needing to be heated is reduced.
It can be understood that when the external machine is only connected with the hydraulic module, the operation frequency of the compressor is only related to the heating capacity of the hydraulic module, so that the heating capacity of the hydraulic module is quantified by acquiring the water outlet temperature of the hydraulic module, and the defrosting frequency of the compressor is precisely adjusted, wherein the water outlet temperature of the hydraulic module is the water outlet temperature after being heated only by the water side heat exchanger, and the electric auxiliary heating device of the hydraulic module is not started at the moment.
It should be noted that, when the external machine is connected with the hydraulic module and the air conditioner internal machine at the same time, the factors influencing the defrosting frequency of the compressor are two types of heating capacity of the hydraulic module and heating capacity of the air conditioner internal machine, so when the operation frequency of the compressor is adjusted, two types of water outlet temperature of the hydraulic module and the number of target air conditioner internal machines in a shutdown state need to be considered in combination.
Step S30: and adjusting the operation frequency of the compressor according to the outlet water temperature and/or the number of the target air conditioner indoor units so as to execute defrosting operation.
It should be noted that, in this embodiment, besides the operation frequency of the compressor is adjusted to perform defrosting operation, the electric heating can be started by starting the electric auxiliary heating device in the hydraulic module, and the electric auxiliary heating device includes the first electric auxiliary heating device between the water side heat exchanger and the reversing device in the heat exchange module, and further includes the second electric auxiliary heating device at the water tank in the above, so as to shorten defrosting time, implement defrosting operation, and further accelerate defrosting of the air conditioner by adjusting the fan rotation speed of the air conditioner.
According to the embodiment, the inner machine connected with the outer machine in the multi-split air conditioner is identified, so that a corresponding defrosting strategy is executed according to the type of the connected inner machine, wherein when the outer machine is connected with the air conditioner inner machine and/or the hydraulic module, the operating frequency of the compressor in a defrosting mode is determined according to the water outlet temperature of the hydraulic module and/or the number of target air conditioner inner machines in a shutdown state, and further defrosting operation is executed, and the technical problem that the defrosting effect is poor due to the fact that the indoor temperature is too low when the multi-split air conditioner in the prior art is used for defrosting is avoided, the defrosting effect is improved, and the use experience of a user is improved.
Referring to fig. 4, fig. 4 is a flowchart illustrating a defrosting control method for an air conditioner according to a second embodiment of the present invention.
Based on the first embodiment, in this embodiment, after step S10, the method further includes:
step S201: and when the external machine is connected with the hydraulic module, acquiring the water outlet temperature of the hydraulic module.
When the external machine is connected with the hydraulic module, the heating capacity of the hydraulic module is quantified by acquiring the water outlet temperature of the hydraulic module, and then the defrosting frequency of the compressor is accurately adjusted, wherein the water outlet temperature of the hydraulic module is the water outlet temperature after being heated only by the water side heat exchanger, and the electric auxiliary heating device of the hydraulic module is not started at the moment.
Step S202: and adjusting the operation frequency of the compressor according to the temperature interval where the outlet water temperature is and a preset mapping relation.
It should be noted that, the preset mapping relationship refers to a relationship between a temperature interval where the water outlet temperature is located and the operating frequency of the compressor, in this embodiment, the greater the water outlet temperature is, the smaller the operating frequency of the compressor is, because if the water outlet temperature of the hydraulic module is, the greater the water outlet temperature is, mainly for avoiding that the excessive pressure in the pipeline affects the normal operation of the air conditioner.
Further, adjusting the operating frequency of the compressor according to the temperature interval where the outlet water temperature is and a preset mapping relation, including:
when the outlet water temperature is smaller than a first temperature threshold value, adjusting the operation frequency of the compressor according to a first operation frequency;
when the outlet water temperature is smaller than a second temperature threshold and is larger than or equal to the first temperature threshold, the operation frequency of the compressor is adjusted according to a second operation frequency, wherein the second temperature threshold is larger than the first temperature threshold, and the second operation frequency is smaller than the first operation frequency;
when the outlet water temperature is greater than or equal to a second temperature threshold, adjusting the operating frequency of the compressor according to a third operating frequency, wherein the third operating frequency is smaller than the second operating frequency;
it is understood that the first temperature threshold is less than the second temperature threshold, for example: the first temperature threshold value can take 30 ℃, the second temperature threshold value can take 45 ℃, correspondingly, when the outlet water temperature is lower than 30 ℃, the defrosting frequency of the compressor can be set to 90HZ, and when the outlet water temperature is higher than or equal to 30 ℃ and lower than 45 ℃, the defrosting frequency of the compressor can be set to 60HZ; when the outlet water temperature is greater than or equal to 45 ℃, the defrosting frequency of the compressor may be set to 30HZ, which is not particularly limited in this embodiment.
Further, after the obtaining the outlet water temperature of the hydraulic module, the method further includes:
and when the water outlet temperature is smaller than a preset temperature threshold, starting the electric auxiliary heating device to quickly defrost.
In a specific implementation, if the temperature of the outlet water is too small, the heating capacity of the hydraulic module is too low, and the air conditioner can not give consideration to the heating requirement of the hydraulic module while defrosting.
According to the embodiment, when the external machine of the air conditioner is limited to be connected with the hydraulic module, the running frequency of the compressor is adjusted through the water outlet temperature of the hydraulic module, so that the purpose of defrosting is achieved, and meanwhile, when the heating capacity of the hydraulic module is insufficient, the heating capacity of the hydraulic module is improved through the electric auxiliary heating device, and the heating requirement of a user is met.
Referring to fig. 5, fig. 5 is a flowchart illustrating a third embodiment of a defrosting control method for an air conditioner according to the present invention.
Based on the above second embodiment, in this embodiment, after step S10, the method further includes:
Step S201': and when the external machine is connected with the air conditioner internal machine, acquiring the number of the target air conditioner internal machines in a shutdown state.
It should be noted that, when the external machine is only connected with the air conditioner internal machine, the operation frequency of the compressor is only related to the heating capacity of the air conditioner internal machine, and the multi-connected air conditioner can be simultaneously connected with a plurality of air conditioner internal machines, wherein the air conditioner internal machines corresponding to the room to be heated are in an operation state, and the rest of the air conditioner internal machines are powered off, in order to ensure that the temperature of the room to be heated is not affected, the embodiment mainly performs defrosting operation through the air conditioner internal machines in a power-off state, and is characterized in that the operation states of the air conditioner internal machines in the power-off state are reversed, the power-off air conditioner internal machines are started, the started air conditioner internal machines are standby or power-off, the air conditioner operation mode is changed from the heating mode to the cooling mode, and the like, so that the number of target air conditioner internal machines in the power-off state is required to be obtained, and the operation frequency of the compressor is convenient to calculate when the air conditioner is changed into the defrosting mode in the following.
Step S202': and when the number of the target air conditioners is larger than or equal to a preset threshold value, adjusting the running frequency of the compressor according to the preset defrosting frequency.
It can be understood that the preset threshold may be set to 1, that is, when the number of target air-conditioning indoor units in the shutdown state is greater than or equal to 1, the target air-conditioning indoor units in the shutdown state are controlled to be communicated with the external machine, so as to form a defrosting loop, and perform defrosting operation, where the defrosting frequency of the compressor is set to a set value.
In addition, if the target air conditioner indoor unit in the shutdown state is insufficient to support rapid defrosting of the air conditioner, the indoor temperature will be further reduced, and the requirement of a user cannot be met, so that the embodiment can monitor the defrosting duration in real time, when the defrosting duration is longer than or equal to the preset first defrosting duration, the air conditioner indoor unit in the startup state is newly added, the air conditioner indoor unit in need of defrosting and reaching the temperature can participate in defrosting, when the defrosting duration is shorter than the preset first defrosting duration, the existing indoor unit is kept to perform defrosting operation, the preset first defrosting duration can be set to 3 minutes, and the embodiment does not limit the method specifically.
In a specific implementation, the selection of the newly added air conditioner indoor unit participating in defrosting can be determined according to the indoor environment temperature of the area where the air conditioner indoor unit is located, namely, the air conditioner indoor unit with the highest indoor environment temperature of the area where the air conditioner indoor unit is located is selected to participate in defrosting, so that the temperature in a room of a user can be guaranteed not to be obviously influenced.
Further, after the obtaining the number of the target air conditioner indoor units in the shutdown state, the method further includes:
when the number of the target air conditioner indoor units is smaller than a preset threshold value, a preset period is arranged at intervals, and the indoor environment temperature of the area where the air conditioner indoor units are located in a starting state is obtained;
determining a target defrosting inner machine according to the indoor environment temperature;
controlling the target internal machine to stop defrosting and updating the number of the target internal machines in the stopped defrosting state;
and adjusting the operation frequency of the compressor according to the preset defrosting frequency and the updated target number of internal machines until the air conditioner exits from a defrosting mode or the operation frequency of the compressor reaches a rated defrosting frequency.
It should be understood that if the number of target air-conditioning indoor units in the shutdown state is 0, that is, less than 1, the air-conditioning indoor units in the startup state can be only communicated with the external units to form a defrosting loop, and defrosting operation is performed.
In a specific implementation, the preset period may be set to 30s, that is, if the air conditioner is still in the defrosting mode at each interval of 30s, adding one air conditioner indoor unit into the defrosting mode, selecting the newly added air conditioner indoor unit from the air conditioner indoor units which are not involved in defrosting, selecting a maximum value of indoor environment temperature of an area where the air conditioner indoor unit which is not involved in defrosting is located, and controlling the air conditioner indoor unit corresponding to the maximum value to participate in defrosting.
It should be noted that, because the newly added air conditioner participating in defrosting affects the defrosting effect, in order to improve the defrosting efficiency, the operation frequency of the compressor may also be properly adjusted, the adjustment rule of the compressor is five times the preset defrosting frequency plus the number of the newly added air conditioner participating in defrosting, i.e. f_defrost=fs_defrost+5×n_defrost, where f_defrost is the updated defrosting frequency of the compressor, n_defrost is the newly added number of air conditioner participating in defrosting, and fs_defrost is the preset defrosting frequency.
According to the embodiment, when the external air conditioner is connected with the internal air conditioner by limiting the quantity of the internal air conditioners in the off state, the running frequency of the compressor is adjusted so as to achieve the defrosting purpose, and meanwhile when the defrosting efficiency is low, the internal air conditioner which can be required or reach temperature is additionally arranged to participate in defrosting, so that the defrosting efficiency is improved, and the heating requirement of a user is met.
Referring to fig. 6, fig. 6 is a flowchart illustrating a fourth embodiment of a defrosting control method for an air conditioner according to the present invention.
Based on the above-mentioned third embodiment, in this embodiment, after step S10, the method further includes:
step S201': and when the outer machine is connected with the air conditioner inner machine and the hydraulic module, acquiring the water outlet temperature of the hydraulic module and the defrosting duration time of the air conditioner.
It should be noted that, when the external machine is connected with the hydraulic module and the air conditioner internal machine at the same time, the factors influencing the defrosting frequency of the compressor are two factors, namely the heating capacity of the hydraulic module and the number of the air conditioner internal machines which are shut down, so that when the operation frequency of the compressor is adjusted, the two factors, namely the water outlet temperature of the hydraulic module and the number of the target air conditioner internal machines which are in a shut down state, need to be considered in combination.
In a specific implementation, reference may be made to the above, and when determining the defrosting operation frequency of the compressor, the external machine may be controlled to communicate with the hydraulic module and the air conditioner internal machine in the shutdown state to form a defrosting loop, so as to implement the defrosting operation frequency control of the compressor according to the outlet water temperature of the hydraulic module and the number of the air conditioner internal machines in the shutdown state.
Step S202': and determining the target operating frequency of the compressor according to the temperature interval where the outlet water temperature is and a preset mapping relation.
It is easy to understand that the target operating frequency of the compressor is determined according to the temperature interval where the outlet water temperature is located and the preset mapping relation, and the operating frequency determining logic of the compressor can be the same as that of the external machine and the hydraulic module which are separately connected, and the embodiment does not describe the operating frequency.
Step S203': and when the defrosting duration time is smaller than a preset duration time, controlling the compressor to operate at the target operating frequency.
It can be understood that if the target air conditioner indoor unit and the hydraulic module in the shutdown state are insufficient to support rapid defrosting of the air conditioner, the indoor temperature is further reduced or the heating capacity of the hydraulic module is reduced, and the requirements of the user cannot be met, so that the embodiment can monitor the defrosting duration in real time, when the defrosting duration is longer than or equal to the preset second defrosting duration, the air conditioner indoor unit which is in an on state and has energy and reaches the temperature is newly added to participate in defrosting, and when the defrosting duration is shorter than the preset second defrosting duration, the existing indoor unit is kept to perform defrosting operation, and the preset second defrosting duration can be set to be 4min.
Further, after determining the target operating frequency of the compressor according to the temperature interval in which the outlet water temperature is located and the preset mapping relationship, the method further includes:
When the defrosting duration is longer than or equal to the preset duration, a preset period is arranged at intervals, and the indoor environment temperature of the area where the air conditioner indoor unit is located in a starting state is obtained;
determining a target defrosting inner machine according to the indoor environment temperature;
controlling the target internal machine to stop defrosting and updating the number of the target internal machines in the stopped defrosting state;
and adjusting the operation frequency of the compressor according to the target operation frequency and the updated number of the target internal machines until the air conditioner exits the defrosting mode or the operation frequency of the compressor reaches the rated defrosting frequency.
It should be understood that, because the newly added air conditioner participating in defrosting affects defrosting effect, and meanwhile, in order to improve defrosting efficiency, the operation frequency of the compressor can be properly adjusted, the adjustment rule of the compressor is five times of the preset defrosting frequency plus the number of the newly added air conditioner participating in defrosting, and the operation frequency control logic of the compressor is the same as that when the external machine is separately connected with the air conditioner and the air conditioner is newly added, and the embodiment does not describe too much.
It is worth to say that, except adding the newly added air conditioner internal unit that does not participate in defrosting and adding the defrosting return circuit, can also increase the defrosting efficiency of defrosting return circuit through opening the electricity of hydraulic module and assist the heat facility.
According to the embodiment, when the external air conditioner is limited to be connected with the internal air conditioner and the hydraulic module, the quantity of the internal air conditioner and the water outlet temperature of the hydraulic module in the shutdown state are used for adjusting the operation frequency of the compressor so as to achieve the purpose of defrosting, and meanwhile, when the defrosting efficiency is low, the internal air conditioner which can be required or reach the temperature is additionally arranged to participate in defrosting or start the electric auxiliary heating device, so that the defrosting efficiency is improved, and the heating requirement of a user is met.
In addition, the embodiment of the invention also provides a storage medium, wherein the storage medium stores an air conditioner defrosting control program, and the air conditioner defrosting control program realizes the steps of the air conditioner defrosting control method when being executed by a processor.
Because the storage medium adopts all the technical schemes of all the embodiments, the storage medium has at least all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted here.
Referring to fig. 7, fig. 7 is a block diagram showing a first embodiment of a defrosting control device for an air conditioner according to the present invention.
As shown in fig. 7, the defrosting control device for an air conditioner according to the embodiment of the present invention includes:
and the identification module 10 is used for identifying the inner machine connected with the outer machine when the air conditioner operates in a defrosting mode.
And the acquisition module 20 is used for acquiring the outlet water temperature of the hydraulic module and/or the number of target air-conditioning indoor units in a shutdown state when the external machine is connected with the air-conditioning indoor units and/or the hydraulic module.
And the adjusting module 30 is used for adjusting the operating frequency of the compressor according to the outlet water temperature and/or the number of the target air conditioner indoor units so as to execute defrosting operation.
In an embodiment, the identification module 10 is further configured to obtain a water outlet temperature of the hydraulic module when the external machine is connected to the hydraulic module; and adjusting the operation frequency of the compressor according to the temperature interval where the outlet water temperature is and a preset mapping relation.
In an embodiment, the identification module 10 is further configured to start the electric auxiliary heating device to perform rapid defrosting when the outlet water temperature is less than a preset temperature threshold.
In an embodiment, the identification module 10 is further configured to obtain, when the external unit is connected to the air conditioner indoor unit, a target number of air conditioner indoor units in a shutdown state; and when the number of the target air conditioners is larger than or equal to a preset threshold value, adjusting the running frequency of the compressor according to the preset defrosting frequency.
In an embodiment, the identification module 10 is further configured to obtain, when the number of the target air conditioner indoor units is less than a preset threshold, an indoor environment temperature of an area where the air conditioner indoor units are located in a start state at intervals of a preset period; determining a target defrosting inner machine according to the indoor environment temperature; controlling the target internal machine to stop defrosting and updating the number of the target internal machines in the stopped defrosting state; and adjusting the operation frequency of the compressor according to the preset defrosting frequency and the updated target number of internal machines until the air conditioner exits from a defrosting mode or the operation frequency of the compressor reaches a rated defrosting frequency.
In an embodiment, the identification module 10 is further configured to obtain a water outlet temperature of the hydraulic module and a defrosting duration of the air conditioner when the external machine connects the air conditioner internal machine and the hydraulic module; determining the target operating frequency of the compressor according to a temperature interval where the outlet water temperature is and a preset mapping relation; and when the defrosting duration time is smaller than a preset duration time, controlling the compressor to operate at the target operating frequency.
In an embodiment, the identification module 10 is further configured to obtain, when the defrosting duration is greater than or equal to a preset duration, an indoor environment temperature of an area where the indoor unit of the air conditioner is located in a start state at intervals of a preset period; determining a target defrosting inner machine according to the indoor environment temperature; controlling the target internal machine to stop defrosting and updating the number of the target internal machines in the stopped defrosting state; and adjusting the operation frequency of the compressor according to the target operation frequency and the updated number of the target internal machines until the air conditioner exits the defrosting mode or the operation frequency of the compressor reaches the rated defrosting frequency.
According to the embodiment, the inner machine connected with the outer machine in the multi-split air conditioner is identified, so that a corresponding defrosting strategy is executed according to the type of the connected inner machine, wherein when the outer machine is connected with the air conditioner inner machine and/or the hydraulic module, the operating frequency of the compressor in a defrosting mode is determined according to the water outlet temperature of the hydraulic module and/or the number of target air conditioner inner machines in a shutdown state, and further defrosting operation is executed, and the technical problem that the defrosting effect is poor due to the fact that the indoor temperature is too low when the multi-split air conditioner in the prior art is used for defrosting is avoided, the defrosting effect is improved, and the use experience of a user is improved.
It should be understood that the foregoing is illustrative only and is not limiting, and that in specific applications, those skilled in the art may set the invention as desired, and the invention is not limited thereto.
It should be noted that the above-described working procedure is merely illustrative, and does not limit the scope of the present invention, and in practical application, a person skilled in the art may select part or all of them according to actual needs to achieve the purpose of the embodiment, which is not limited herein.
In addition, technical details not described in detail in the present embodiment may refer to the defrosting control method of an air conditioner provided in any embodiment of the present invention, which is not described herein.
Furthermore, it should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. Read Only Memory)/RAM, magnetic disk, optical disk) and including several instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (10)

1. The defrosting control method for the air conditioner is characterized by being applied to a multi-split air conditioner, and the multi-split air conditioner comprises the following steps: the air conditioner comprises an outer machine, a plurality of air conditioner inner machines and a hydraulic module, wherein the outer machine is respectively connected with each air conditioner inner machine and/or the hydraulic module, and the outer machine is provided with a compressor;
the defrosting control method of the air conditioner comprises the following steps:
identifying an inner machine connected with the outer machine when the air conditioner operates in a defrosting mode;
when the external machine is connected with the air conditioner internal machine and/or the hydraulic module, acquiring the water outlet temperature of the hydraulic module and/or the number of target air conditioner internal machines in a shutdown state; and
and adjusting the operation frequency of the compressor according to the outlet water temperature and/or the number of the target air conditioner indoor units so as to execute defrosting operation.
2. The defrosting control method of claim 1, wherein after the identifying the internal machine connected to the external machine, further comprising:
when the external machine is connected with the hydraulic module, acquiring the water outlet temperature of the hydraulic module; and
and adjusting the operation frequency of the compressor according to the temperature interval where the outlet water temperature is and a preset mapping relation.
3. The defrosting control method of an air conditioner as claimed in claim 2, wherein the hydraulic module includes an electric auxiliary heating device;
after the water outlet temperature of the hydraulic module is obtained, the method further comprises the following steps:
and when the water outlet temperature is smaller than a preset temperature threshold, starting the electric auxiliary heating device to quickly defrost.
4. The defrosting control method of claim 1, wherein after the identifying the internal machine connected to the external machine, further comprising:
when the external machine is connected with the air conditioner internal machine, acquiring the number of target air conditioner internal machines in a shutdown state; and
and when the number of the target air conditioners is larger than or equal to a preset threshold value, adjusting the running frequency of the compressor according to the preset defrosting frequency.
5. The method for controlling defrosting of an air conditioner as claimed in claim 4, wherein after the obtaining of the number of target air conditioners in the off state, further comprising:
when the number of the target air conditioner indoor units is smaller than a preset threshold value, a preset period is arranged at intervals, and the indoor environment temperature of the area where the air conditioner indoor units are located in a starting state is obtained;
determining a target defrosting inner machine according to the indoor environment temperature;
Controlling the target internal machine to stop defrosting and updating the number of the target internal machines in the stopped defrosting state; and
and adjusting the operation frequency of the compressor according to the preset defrosting frequency and the updated target number of internal machines until the air conditioner exits from a defrosting mode or the operation frequency of the compressor reaches a rated defrosting frequency.
6. The defrosting control method of claim 1, wherein after the identifying the internal machine connected to the external machine, further comprising:
when the outer machine is connected with the air conditioner inner machine and the hydraulic module, acquiring the water outlet temperature of the hydraulic module and the defrosting duration time of the air conditioner;
determining the target operating frequency of the compressor according to a temperature interval where the outlet water temperature is and a preset mapping relation; and
and when the defrosting duration time is smaller than a preset duration time, controlling the compressor to operate at the target operating frequency.
7. The defrosting control method of claim 6, wherein after determining the target operating frequency of the compressor according to the temperature interval in which the outlet water temperature is located and a preset mapping relationship, further comprising:
When the defrosting duration is longer than or equal to the preset duration, a preset period is arranged at intervals, and the indoor environment temperature of the area where the air conditioner indoor unit is located in a starting state is obtained;
determining a target defrosting inner machine according to the indoor environment temperature; and
controlling the target internal machine to stop defrosting and updating the number of the target internal machines in the stopped defrosting state;
and adjusting the operation frequency of the compressor according to the target operation frequency and the updated number of the target internal machines until the air conditioner exits the defrosting mode or the operation frequency of the compressor reaches the rated defrosting frequency.
8. An air conditioner defrosting control device, characterized in that the air conditioner defrosting control device comprises:
the identification module is used for identifying an inner machine connected with the outer machine when the air conditioner operates in a defrosting mode;
the acquisition module is used for acquiring the water outlet temperature of the hydraulic module and/or the number of target air conditioner indoor units in a shutdown state when the outer machine is connected with the air conditioner indoor units and/or the hydraulic module;
and the adjusting module is used for adjusting the running frequency of the compressor according to the outlet water temperature and/or the number of the target air conditioner indoor units so as to execute defrosting operation.
9. An air conditioner defrosting control device, characterized by comprising: a memory, a processor, and an air conditioner defrosting control program stored on the memory and operable on the processor, the air conditioner defrosting control program being configured to implement the air conditioner defrosting control method according to any one of claims 1 to 7.
10. A storage medium having stored thereon an air conditioner defrosting control program which, when executed by a processor, implements the air conditioner defrosting control method according to any one of claims 1 to 7.
CN202310580403.7A 2023-05-22 2023-05-22 Defrosting control method, device and equipment for air conditioner and storage medium Pending CN116592474A (en)

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CN202310580403.7A CN116592474A (en) 2023-05-22 2023-05-22 Defrosting control method, device and equipment for air conditioner and storage medium

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Application Number Priority Date Filing Date Title
CN202310580403.7A CN116592474A (en) 2023-05-22 2023-05-22 Defrosting control method, device and equipment for air conditioner and storage medium

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