CN114484720B - Method and device for controlling air conditioner, air conditioner and storage medium - Google Patents
Method and device for controlling air conditioner, air conditioner and storage medium Download PDFInfo
- Publication number
- CN114484720B CN114484720B CN202210048354.8A CN202210048354A CN114484720B CN 114484720 B CN114484720 B CN 114484720B CN 202210048354 A CN202210048354 A CN 202210048354A CN 114484720 B CN114484720 B CN 114484720B
- Authority
- CN
- China
- Prior art keywords
- indoor unit
- unit system
- air conditioner
- standby state
- controlling
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000000903 blocking effect Effects 0.000 claims abstract description 92
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000003507 refrigerant Substances 0.000 abstract description 53
- 238000004891 communication Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 238000004378 air conditioning Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The application relates to the technical field of intelligent household appliances, and discloses a method for controlling an air conditioner. The air conditioner comprises an outdoor unit system and a plurality of indoor unit systems connected in parallel, wherein each indoor unit system is provided with a blocking device arranged at the air inlet end of the indoor heat exchanger; the method comprises the steps of obtaining exhaust pressure of an outdoor unit system and running state information of a plurality of indoor unit systems when an air conditioner is in a heating working condition; and controlling the on-off states of the blocking devices corresponding to the indoor unit systems according to the running state information of the indoor unit systems and the exhaust pressure of the outdoor unit systems. According to the application, through controlling the blocking devices corresponding to the indoor unit systems, the problem of noise generated by the refrigerant passing through the electronic expansion valve in the indoor unit system in the standby state under the heating condition is solved, and the use experience of a user in a room where the indoor unit system is located in the standby state on an air conditioner is improved. The application also discloses a device for controlling the air conditioner, the air conditioner and a storage medium.
Description
Technical Field
The application relates to the technical field of intelligent household appliances, in particular to a method and a device for controlling an air conditioner, the air conditioner and a storage medium.
Background
In recent years, as the living standard of people is continuously improved, the comfort level requirement on indoor environment is higher and higher, and the multi-split air conditioning system is gradually favored by people. Generally, a multi-split air conditioning system includes one outdoor unit and a plurality of indoor units; wherein, outdoor heat exchanger and compressor set up in the off-premises station. The indoor units are generally installed in different rooms to regulate the ambient temperature in the respective rooms.
Since the plurality of indoor units are used to adjust the environmental temperatures of different rooms, the operation states of the plurality of indoor units are often not the same. The electronic expansion valve of the refrigerant line of the indoor unit in the standby state is not completely closed, so that the refrigerant flows even though the indoor unit in the room is in the standby state.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
The refrigerant flows through the refrigerant pipeline of the indoor unit in the standby state, and the refrigerant flows through the indoor heat exchanger in the standby state and does not undergo sufficient heat exchange, so that the refrigerant flows through the electronic expansion valve in the high-temperature and high-pressure state, and the refrigerant flows out of the electronic expansion valve in a gas-liquid mixed state under the throttling effect of the electronic expansion valve, so that larger noise is generated when the refrigerant flows through the electronic expansion valve, and poorer use experience is brought to indoor users.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.
The embodiment of the disclosure provides a method and a device for controlling an air conditioner, the air conditioner and a storage medium, wherein a blocking device is additionally arranged at an air inlet end of each indoor heat exchanger, so that the noise problem of an indoor unit system in a standby state is reduced by controlling the on-off state of the blocking device, and the use experience of a user is improved.
In some embodiments, the method for controlling an air conditioner includes providing an outdoor unit system and a plurality of indoor unit systems connected in parallel, each indoor unit system having a blocking device provided at an air inlet end of an indoor heat exchanger; the method for controlling the air conditioner includes: acquiring exhaust pressure of an outdoor unit system and running state information of a plurality of indoor unit systems when the air conditioner is in a heating working condition; and controlling the on-off states of the blocking devices corresponding to the indoor unit systems according to the running state information of the indoor unit systems and the exhaust pressure of the outdoor unit systems.
In some embodiments, controlling the on/off states of the blocking devices corresponding to the indoor unit systems according to the operation state information of the indoor unit systems and the discharge pressure of the outdoor unit systems includes: comparing the discharge pressure of the outdoor unit system with a reference pressure threshold value when at least one indoor unit system is in a standby state; and controlling the on-off state of the blocking device of each indoor unit system in the standby state according to the comparison result of the exhaust pressure of the outdoor unit system and the reference pressure threshold value.
In some embodiments, according to a comparison result of the discharge pressure of the outdoor unit system and the reference pressure threshold, controlling a switching state of the blocking device of each indoor unit system in a standby state includes: acquiring the number of indoor unit systems in a standby state under the condition that the exhaust pressure of the outdoor unit system is greater than or equal to a reference pressure threshold value; when the number of indoor unit systems in the standby state is one, the blocking device corresponding to the indoor unit system in the standby state is turned on.
In some embodiments, after the number of indoor unit systems in the standby state is acquired, the method for controlling an air conditioner further includes: acquiring the refrigerating capacity of a plurality of indoor unit systems in a standby state under the condition that the number of the indoor unit systems in the standby state is a plurality of; the switching state of the blocking device of each indoor unit system in the standby state is determined according to the refrigerating capacities of the plurality of indoor unit systems in the standby state.
In some embodiments, determining the on-off state of the blocking device of each indoor unit system in the standby state according to the refrigerating capacities of the plurality of indoor unit systems in the standby state includes: and starting the blocking device corresponding to the indoor unit system with the largest refrigerating capacity from the refrigerating capacities of the plurality of indoor unit systems in the standby state.
In some embodiments, according to a comparison result of the discharge pressure of the outdoor unit system and the reference pressure threshold, controlling a switching state of the blocking device of each indoor unit system in a standby state includes: when the discharge pressure of the outdoor unit system is smaller than the reference pressure threshold, the on-off state of the blocking device of each indoor unit system is controlled according to the operation state information of the plurality of indoor unit systems.
In some embodiments, controlling the on-off state of the blocking device of each indoor unit system according to the operation state information of the plurality of indoor unit systems includes: starting a blocking device corresponding to the indoor unit system determined to be in a heating running state; and closing the blocking device corresponding to the indoor unit system determined to be in the standby state.
In some embodiments, the apparatus for controlling an air conditioner includes a processor and a memory storing program instructions, wherein the processor performs the method for controlling an air conditioner described above when executing the program instructions.
In some embodiments, the air conditioner includes an outdoor unit system, a plurality of indoor unit systems connected in parallel, and an apparatus for controlling the air conditioner as described above; each indoor unit system is provided with a blocking device arranged at the air inlet end of the indoor heat exchanger.
In some embodiments, the storage medium stores program instructions that, when executed, perform a method for controlling an air conditioner as described above.
The method and device for controlling the air conditioner, the air conditioner and the storage medium provided by the embodiment of the disclosure can realize the following technical effects:
By additionally arranging the blocking device at the air inlet end of each indoor heat exchanger of the air conditioner, the on-off state of the blocking device corresponding to each indoor unit is controlled according to the running state information of a plurality of indoor unit systems and the exhaust pressure of the outdoor unit system under the heating working condition of the air conditioner, and then the control of the blocking device is realized to control the circulation state of the refrigerant pipeline of each indoor unit system, so that the noise problem caused by the fact that the refrigerant in the indoor unit system in the standby state passes through the electronic expansion valve under the heating working condition is solved to a certain extent, and the noise problem of the indoor unit system in the standby state is further reduced, so that the air conditioner use experience of users in rooms where the indoor unit system in the standby state is located is improved.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:
FIG. 1 is a schematic diagram of a method for controlling an air conditioner provided by an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of another method for controlling an air conditioner provided by an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of another method for controlling an air conditioner provided by an embodiment of the present disclosure;
FIG. 4 is a schematic diagram of another method for controlling an air conditioner provided by an embodiment of the present disclosure;
FIG. 5 is a schematic view of another method for controlling an air conditioner provided by an embodiment of the present disclosure;
Fig. 6 is a schematic view of an apparatus for controlling an air conditioner according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.
The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe embodiments of the present disclosure. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The term "plurality" means two or more, unless otherwise indicated.
In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.
The term "corresponding" may refer to an association or binding relationship, and the correspondence between a and B refers to an association or binding relationship between a and B.
In the embodiment of the disclosure, the intelligent home appliance refers to a home appliance formed after a microprocessor, a sensor technology and a network communication technology are introduced into the home appliance, and has the characteristics of intelligent control, intelligent sensing and intelligent application, the operation process of the intelligent home appliance often depends on the application and processing of modern technologies such as the internet of things, the internet and an electronic chip, for example, the intelligent home appliance can realize remote control and management of a user on the intelligent home appliance by connecting the electronic appliance.
In the disclosed embodiment, the terminal device refers to an electronic device with a wireless connection function, and the terminal device can be in communication connection with the intelligent household electrical appliance through connecting with the internet, or can be in communication connection with the intelligent household electrical appliance through Bluetooth, wifi and other modes. In some embodiments, the terminal device is, for example, a mobile device, a computer, or an in-vehicle device built into a hover vehicle, etc., or any combination thereof. The mobile device may include, for example, a cell phone, smart home device, wearable device, smart mobile device, virtual reality device, etc., or any combination thereof, wherein the wearable device includes, for example: smart watches, smart bracelets, pedometers, etc.
In an embodiment of the disclosure, an air conditioner includes an outdoor unit system and a plurality of indoor unit systems connected in parallel. The air conditioner of the present disclosure may be a multi-split air conditioning system, which may include an outdoor unit system, a plurality of indoor unit systems, and a control system; and the control system user controls the operation of the whole multi-split air conditioning system.
Generally, in practical applications, a plurality of indoor unit systems of an air conditioner may be installed in different rooms, and each indoor unit system is configured to adjust a temperature parameter in the room in which it is located. The control system may be installed in the outdoor unit system for controlling the operation of the entire air conditioner.
Optionally, the air conditioner mainly comprises a plurality of parallel indoor heat exchangers, an outdoor heat exchanger, a compressor and other parts in a refrigerant loop, each indoor heat exchanger is arranged in a corresponding indoor unit system, and the indoor heat exchanger is connected to one refrigerant pipeline in the refrigerant loop. Wherein the indoor heat exchanger comprises two ends connected with the refrigerant pipeline.
Generally, an indoor heat exchanger of an indoor unit system includes an air inlet end and a liquid outlet end. In the indoor unit system in the non-standby state under the heating working condition, the gaseous refrigerant in the refrigerant pipeline enters the indoor heat exchanger through the air inlet end, is converted into liquid state from gas state through heat exchange, and returns to the refrigerant pipeline through the liquid outlet end. In the indoor unit system in the non-standby state under the refrigeration working condition, the liquid refrigerant in the refrigerant pipeline can enter the indoor heat exchanger through the liquid outlet end, the refrigerant is converted from liquid state to gas state through heat exchange, and the liquid refrigerant returns to the refrigerant pipeline through the air inlet end.
In some embodiments, each indoor unit system has a blocking device disposed at an air intake end of the indoor heat exchanger. The blocking device is arranged on a refrigerant pipeline at the air inlet end of the indoor heat exchanger and used for controlling the on-off between the refrigerant pipeline and the air inlet end of the indoor heat exchanger.
Optionally, the blocking device comprises at least two switch states, namely an on state and an off state. When the blocking device is in an open state, refrigerant can flow between the refrigerant pipeline and the indoor heat exchanger; when the blocking device is in a closed state, a blocking is formed between the refrigerant pipeline and the indoor heat exchanger, and the refrigerant cannot smoothly circulate.
In an embodiment of the disclosure, the blocking device is configured to be controlled by the discharge pressure of the outdoor unit system. The blocking means may be specifically configured to: when the blocking device is in a closed state, if the exhaust pressure is detected to reach a preset pressure threshold value, the blocking device is controlled to be switched to an open state, so that the refrigerant can circulate in a refrigerant pipeline where the blocking device is located.
As shown in conjunction with fig. 1, an embodiment of the present disclosure provides a method for controlling an air conditioner, including:
and S01, under the heating condition of the air conditioner, acquiring the exhaust pressure of the outdoor unit system and the running state information of a plurality of indoor unit systems.
S02, controlling the on-off states of the blocking devices corresponding to the indoor unit systems according to the operation state information of the indoor unit systems and the exhaust pressure of the outdoor unit systems.
By adopting the method for controlling the air conditioner, provided by the embodiment of the invention, the blocking device can be additionally arranged at the air inlet end of each indoor heat exchanger of the air conditioner, so that the on-off state of the blocking device corresponding to each indoor unit system is controlled according to the running state information of a plurality of indoor unit systems and the exhaust pressure of an outdoor unit system under the heating working condition of the air conditioner, and then the control of the blocking device is realized on the circulation state of the refrigerant pipeline of each indoor unit system, thereby solving the noise problem caused by the fact that the refrigerant in the indoor unit system in the standby state passes through the electronic expansion valve under the heating working condition to a certain extent, and further improving the air conditioner use experience of users in the room where the indoor unit system in the standby state is located by reducing the noise problem of the indoor unit system under the standby state.
In some embodiments, the method for controlling an air conditioner includes: acquiring exhaust pressure of an outdoor unit system and running state information of a plurality of indoor unit systems when the air conditioner is in a heating working condition; and controlling the on-off states of the blocking devices corresponding to the indoor unit systems according to the running state information of the indoor unit systems and the exhaust pressure of the outdoor unit systems.
Alternatively, the execution subject that executes the above steps may be a control system of the air conditioner. Specifically, under the heating condition of the air conditioner, the control system of the air conditioner acquires the exhaust pressure of the outdoor unit system and the running state information of a plurality of indoor unit systems; the control system of the air conditioner controls the on-off state of the blocking device corresponding to each of the indoor unit systems according to the running state information of the indoor unit systems and the exhaust pressure of the outdoor unit system.
Optionally, the blocking device is further configured to be controlled by operation state information of an indoor unit system associated therewith. The blocking means may be specifically configured to: when the indoor unit system is in a heating running state, a blocking device of the indoor unit system is controlled to keep an open state so that a refrigerant can circulate in a refrigerant pipeline where the blocking device is positioned; when the indoor unit system is switched from the heating running state to the standby state, the blocking device of the indoor unit system is controlled to be closed, so that the refrigerant pipeline and the indoor heat exchanger are blocked, and the problem that noise is generated when the refrigerant flows in the indoor unit system in the standby state and flows through the electronic expansion valve is avoided.
Optionally, controlling the on-off state of the blocking device corresponding to each of the plurality of indoor unit systems according to the operation state information of the plurality of indoor unit systems and the exhaust pressure of the outdoor unit system includes: comparing the discharge pressure of the outdoor unit system with a reference pressure threshold value when at least one indoor unit system is in a standby state; and controlling the on-off state of the blocking device of each indoor unit system in the standby state according to the comparison result of the exhaust pressure of the outdoor unit system and the reference pressure threshold value.
In one example, the reference pressure threshold may be the aforementioned preset pressure threshold, which may be any set value between 3.25MPa and 3.8 Pa. In another example, the reference pressure threshold may also be a set point associated with a related design parameter of the air conditioner; the relevant design parameters may include the number of indoor unit systems configured by the air conditioner, the refrigerating capacity of each indoor unit system, the refrigerant charge in the refrigerant pipeline, and the like.
As shown in connection with fig. 2, an embodiment of the present disclosure provides another method for controlling an air conditioner, including:
S11, comparing the exhaust pressure of the outdoor unit system with a reference pressure threshold value when at least one indoor unit system is in a standby state.
S12, controlling the on-off state of the blocking device of each indoor unit system in a standby state according to the comparison result of the exhaust pressure of the outdoor unit system and the reference pressure threshold value.
Thus, when the indoor unit system of the air conditioner is in a standby state, the on-off state of the blocking device corresponding to the indoor unit system in the standby state is controlled according to the comparison result of the exhaust pressure of the outdoor unit system and the reference pressure threshold value; the control of the circulation state of the refrigerant pipeline of the indoor unit system in the standby state is realized, so that the noise problem caused by the fact that the refrigerant in the indoor unit system in the standby state passes through the electronic expansion valve under the heating condition is solved to a certain extent, and the trouble of refrigerant noise can be relieved for users in the room where the indoor unit system in the standby state is located.
Optionally, controlling the on-off state of the blocking device of each indoor unit system in the standby state according to the comparison result of the discharge pressure of the outdoor unit system and the reference pressure threshold value includes: acquiring the number of indoor unit systems in a standby state under the condition that the exhaust pressure of the outdoor unit system is greater than or equal to a reference pressure threshold value; when the number of indoor unit systems in the standby state is one, the blocking device corresponding to the indoor unit system in the standby state is turned on.
Thus, when the number of indoor unit systems in the standby state of the air conditioner is one and the exhaust pressure of the outdoor unit system is greater than or equal to the reference pressure threshold, the opening of the blocking device corresponding to the indoor unit system in the standby state is controlled so that the refrigerant can circulate in the refrigerant pipeline where the blocking device is located. The high-pressure fault caused by the blocking of the blocking device to the refrigerant circulation in the refrigerant pipeline is avoided. Meanwhile, under the condition that the exhaust pressure of the outdoor unit system is smaller than the reference pressure threshold value, the closing state of the blocking device corresponding to the indoor unit system in the standby state is kept, and the noise problem caused by the fact that the refrigerant in the indoor unit system in the standby state passes through the electronic expansion valve under the heating condition is avoided. The embodiment not only considers the safe operation problem of the air conditioner, but also considers the standby noise problem of the indoor unit system, thereby effectively improving the use experience of the user on the air conditioner.
As shown in connection with fig. 3, an embodiment of the present disclosure provides another method for controlling an air conditioner, including:
S11, comparing the exhaust pressure of the outdoor unit system with a reference pressure threshold value when at least one indoor unit system is in a standby state.
S21, acquiring the number of indoor unit systems in a standby state when the exhaust pressure of the outdoor unit system is greater than or equal to a reference pressure threshold.
S22, when the number of the indoor unit systems in the standby state is one, turning on a blocking device corresponding to the indoor unit system in the standby state.
In practical application, the blocking device of the indoor unit system is kept in an open state when the indoor unit system is in a heating running state; when the indoor unit system is switched from a heating running state to a standby state, the corresponding blocking device is switched from an opening state to a closing state, at the moment, the control system of the air conditioner detects the exhaust pressure of the outdoor unit system, and controls the corresponding blocking device to be opened under the condition that the exhaust pressure is greater than or equal to a reference pressure threshold value, so that the refrigerant pipeline of the indoor unit system in the standby state is switched to a circulation state. Therefore, the problem of safe operation of the air conditioner and the problem of standby noise of the indoor unit system are solved, and the use experience of a user on the air conditioner is effectively improved.
Optionally, after the number of indoor unit systems in the standby state is acquired, the method for controlling an air conditioner further includes: acquiring the refrigerating capacity of a plurality of indoor unit systems in a standby state under the condition that the number of the indoor unit systems in the standby state is a plurality of; the switching state of the blocking device of each indoor unit system in the standby state is determined according to the refrigerating capacities of the plurality of indoor unit systems in the standby state.
In the embodiment of the disclosure, the refrigerating capacity of the indoor unit system of the air conditioner refers to the heat exchanging capacity of the indoor heat exchanger of the indoor unit system in a refrigerating operation state or a heating operation state. The refrigerating capacity is related to the heat exchange area, the length of the heat exchange tube, the diameter of the heat exchange tube, the refrigerant filling amount of the system and the like of the indoor heat exchanger of the indoor unit system.
Optionally, determining the on-off state of the blocking device of each indoor unit system in the standby state according to the refrigerating capacities of the plurality of indoor unit systems in the standby state includes: and starting the blocking device corresponding to the indoor unit system with the largest refrigerating capacity from the refrigerating capacities of the plurality of indoor unit systems in the standby state.
In some embodiments, after determining the indoor unit system having the greatest cooling capacity, the method for controlling an air conditioner further includes: and controlling the opening degree of the electronic expansion valve of the indoor unit system with the maximum refrigerating capacity to increase by a preset opening step number.
Optionally, the blocking device corresponding to the indoor unit system with the largest refrigerating capacity is controlled to be opened, and the blocking devices of other indoor unit systems in standby state are controlled to be kept in a closed state. Among the plurality of indoor units in the standby state, the other indoor unit systems in the standby state are other than the indoor unit system having the largest cooling capacity.
As shown in connection with fig. 4, an embodiment of the present disclosure provides another method for controlling an air conditioner, including:
S11, comparing the exhaust pressure of the outdoor unit system with a reference pressure threshold value when at least one indoor unit system is in a standby state.
S21, acquiring the number of indoor unit systems in a standby state when the exhaust pressure of the outdoor unit system is greater than or equal to a reference pressure threshold.
S23, when the number of the indoor unit systems in the standby state is a plurality of indoor unit systems, the refrigerating capacity of the plurality of indoor unit systems in the standby state is acquired.
S24, determining that a blocking device corresponding to the indoor unit system with the largest refrigerating capacity is started from the refrigerating capacities of the plurality of indoor unit systems in the standby state.
Thus, when the number of indoor unit systems in the standby state of the air conditioner is plural and the discharge pressure of the outdoor unit system is greater than or equal to the reference pressure threshold, the blocking device corresponding to the indoor unit system with the largest refrigerating capacity is determined to be turned on from the refrigerating capacities of the plurality of indoor unit systems in the standby state. The problem of safe operation of the air conditioner and the problem of standby noise of the indoor unit system are solved, so that the use experience of a user on the air conditioner is effectively improved.
Optionally, controlling the on-off state of the blocking device of each indoor unit system in the standby state according to the comparison result of the discharge pressure of the outdoor unit system and the reference pressure threshold value includes: when the discharge pressure of the outdoor unit system is smaller than the reference pressure threshold, the on-off state of the blocking device of each indoor unit system is controlled according to the operation state information of the plurality of indoor unit systems.
Optionally, controlling the on-off state of the blocking device of each indoor unit system according to the operation state information of the plurality of indoor unit systems includes: starting a blocking device corresponding to the indoor unit system determined to be in a heating running state; and closing the blocking device corresponding to the indoor unit system determined to be in the standby state.
In practical application, the blocking device of the indoor unit system is kept in an open state when the indoor unit system is in a heating running state; when the indoor unit system is switched from a heating running state to a standby state, the corresponding blocking device is switched from an opening state to a closing state, and at the moment, the control system of the air conditioner detects the exhaust pressure of the outdoor unit system and keeps the closing state of the corresponding blocking device of the indoor unit system under the condition that the exhaust pressure is smaller than a reference pressure threshold value.
As shown in connection with fig. 5, an embodiment of the present disclosure provides another method for controlling an air conditioner, including:
S11, comparing the exhaust pressure of the outdoor unit system with a reference pressure threshold value when at least one indoor unit system is in a standby state.
And S31, when the exhaust pressure of the outdoor unit system is smaller than the reference pressure threshold value, controlling the on-off state of the blocking device of each indoor unit system according to the operation state information of the plurality of indoor unit systems.
In this way, by additionally arranging the blocking device at the air inlet end of each indoor heat exchanger of the air conditioner, the on-off state of the blocking device corresponding to each indoor unit is controlled according to the running state information of a plurality of indoor unit systems and the exhaust pressure of the outdoor unit system under the heating condition of the air conditioner, and then the control of the blocking device is realized to control the circulation state of the refrigerant pipeline of each indoor unit system, thereby solving the noise problem generated when the refrigerant in the indoor unit system in the standby state passes through the electronic expansion valve under the heating condition to a certain extent, and further improving the air conditioner use experience of users in the room where the indoor unit system in the standby state is located by reducing the noise problem of the indoor unit system in the standby state.
As shown in connection with fig. 6, an embodiment of the present disclosure provides an apparatus for controlling an air conditioner, including a processor (processor) 100 and a memory (memory) 101. Optionally, the apparatus may further comprise a communication interface (Communication Interface) 102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via the bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the method for controlling an air conditioner of the above-described embodiment.
Further, the logic instructions in the memory 101 described above may be implemented in the form of software functional units and may be stored in a computer readable storage medium when sold or used as a stand alone product.
The memory 101 is a computer readable storage medium that can be used to store a software program, a computer executable program, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, i.e., implements the method for controlling an air conditioner in the above-described embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, at least one application program required for a function; the storage data area may store data created according to the use of the terminal device, etc. Further, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises an outdoor unit system, a plurality of indoor unit systems connected in parallel and the device for controlling the air conditioner; each indoor unit system is provided with a blocking device arranged at the air inlet end of the indoor heat exchanger.
By adopting the air conditioner provided by the embodiment of the disclosure, the blocking device can be additionally arranged at the air inlet end of each indoor heat exchanger of the air conditioner, so that under the heating working condition of the air conditioner, the on-off state of the blocking device corresponding to each indoor unit is controlled according to the running state information of a plurality of indoor unit systems and the exhaust pressure of an outdoor unit system, and then the control of the blocking device is realized on the circulation state of the refrigerant pipeline of each indoor unit system, thereby solving the noise problem caused by the fact that the refrigerant in the indoor unit system in the standby state passes through the electronic expansion valve under the heating working condition to a certain extent, and further improving the air conditioner use experience of users in rooms where the indoor unit system in the standby state is positioned by reducing the noise problem of the indoor unit system under the standby state.
Embodiments of the present disclosure provide a computer-readable storage medium storing computer-executable instructions configured to perform the above-described method for controlling an air conditioner.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions which, when executed by a computer, cause the computer to perform the above-described method for controlling an air conditioner.
The computer readable storage medium may be a transitory computer readable storage medium or a non-transitory computer readable storage medium.
Embodiments of the present disclosure may be embodied in a software product stored on a storage medium, including one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of a method according to embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium including: a plurality of media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or a transitory storage medium.
The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may involve structural, logical, electrical, process, and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. Moreover, the terminology used in the present application is for the purpose of describing embodiments only and is not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a," "an," and "the" (the) are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this disclosure is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, when used in the present disclosure, the terms "comprises," "comprising," and/or variations thereof, mean that the recited features, integers, steps, operations, elements, and/or components are present, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method or apparatus that includes the element. In this context, each embodiment may be described with emphasis on the differences from the other embodiments, and the same similar parts between the various embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method sections disclosed in the embodiments, the description of the method sections may be referred to for relevance.
Those of skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. The skilled artisan may use different methods for each particular application to achieve the described functionality, but such implementation should not be considered to be beyond the scope of the embodiments of the present disclosure. It will be clearly understood by those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
In the embodiments disclosed herein, the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be practiced in other ways. For example, the apparatus embodiments described above are merely illustrative, and for example, the division of the units may be merely a logical function division, and there may be additional divisions when actually implemented, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. In addition, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interface, device or unit indirect coupling or communication connection, which may be in electrical, mechanical or other form. The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to implement the present embodiment. In addition, each functional unit in the embodiments of the present disclosure may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit.
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than that disclosed in the description, and sometimes no specific order exists between different operations or steps. For example, two consecutive operations or steps may actually be performed substantially in parallel, they may sometimes be performed in reverse order, which may be dependent on the functions involved. Each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (7)
1. A method for controlling an air conditioner, wherein the air conditioner comprises an outdoor unit system and a plurality of indoor unit systems connected in parallel, each indoor unit system having a blocking device arranged at an air inlet end of an indoor heat exchanger;
The method comprises the following steps:
Acquiring the exhaust pressure of an outdoor unit system and the running state information of a plurality of indoor unit systems when the air conditioner is in a heating working condition;
Controlling the on-off state of the blocking device corresponding to each of the plurality of indoor unit systems according to the operation state information of the plurality of indoor unit systems and the exhaust pressure of the outdoor unit system, including: comparing the discharge pressure of the outdoor unit system with a reference pressure threshold value when at least one indoor unit system is in a standby state; acquiring the number of indoor unit systems in a standby state under the condition that the exhaust pressure of the outdoor unit system is greater than or equal to the reference pressure threshold value; acquiring the refrigerating capacity of a plurality of indoor unit systems in a standby state under the condition that the number of the indoor unit systems in the standby state is a plurality of; and starting the blocking device corresponding to the indoor unit system with the largest refrigerating capacity from the refrigerating capacities of the plurality of indoor unit systems in the standby state.
2. The method of claim 1, further comprising, after acquiring the number of indoor unit systems in a standby state:
when the number of indoor unit systems in the standby state is one, the blocking device corresponding to the indoor unit system in the standby state is turned on.
3. The method of claim 1, wherein comparing the discharge pressure of the outdoor unit system to a reference pressure threshold, further comprising:
And controlling the on-off state of the blocking device of each indoor unit system according to the running state information of the plurality of indoor unit systems under the condition that the exhaust pressure of the outdoor unit system is smaller than the reference pressure threshold value.
4. The method of claim 3, wherein controlling the on/off state of the blocking device of each indoor unit system according to the operation state information of the plurality of indoor unit systems comprises:
starting a blocking device corresponding to the indoor unit system determined to be in a heating running state;
and closing the blocking device corresponding to the indoor unit system determined to be in the standby state.
5. An apparatus for controlling an air conditioner comprising a processor and a memory storing program instructions, wherein the processor is configured, when executing the program instructions, to perform the method for controlling an air conditioner of any one of claims 1 to 4.
6. An air conditioner comprising an outdoor unit system, a plurality of indoor unit systems connected in parallel, and the apparatus for controlling an air conditioner according to claim 5;
Each indoor unit system is provided with a blocking device arranged at the air inlet end of the indoor heat exchanger.
7. A storage medium storing program instructions which, when executed, perform the method for controlling an air conditioner according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210048354.8A CN114484720B (en) | 2022-01-17 | 2022-01-17 | Method and device for controlling air conditioner, air conditioner and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210048354.8A CN114484720B (en) | 2022-01-17 | 2022-01-17 | Method and device for controlling air conditioner, air conditioner and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114484720A CN114484720A (en) | 2022-05-13 |
| CN114484720B true CN114484720B (en) | 2024-06-07 |
Family
ID=81512238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210048354.8A Active CN114484720B (en) | 2022-01-17 | 2022-01-17 | Method and device for controlling air conditioner, air conditioner and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114484720B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11201572A (en) * | 1998-01-13 | 1999-07-30 | Matsushita Refrig Co Ltd | Multiroom air conditioner |
| KR20110112526A (en) * | 2010-04-07 | 2011-10-13 | 엘지전자 주식회사 | Air conditioner for preventing high pressure |
| CN102914027A (en) * | 2012-09-20 | 2013-02-06 | 宁波奥克斯电气有限公司 | Control method for preventing refrigerant of outdoor unit from bias flowing during refrigeration of multi-split air-conditioning unit |
| CN102914026A (en) * | 2012-09-20 | 2013-02-06 | 宁波奥克斯电气有限公司 | Control method for preventing refrigerant of outdoor unit of multi-linkage air conditioning unit from deflecting during heating |
| CN104501303A (en) * | 2014-11-24 | 2015-04-08 | 广东美的制冷设备有限公司 | Multi-split air conditioner and refrigerant circulation control method |
| CN104697120A (en) * | 2015-03-24 | 2015-06-10 | 广东美的暖通设备有限公司 | VRV (Varied Refrigerant Volume) system and noise reduction control method thereof |
| CN107763889A (en) * | 2017-11-21 | 2018-03-06 | 宁波奥克斯电气股份有限公司 | A kind of multi-online air-conditioning system and its control method |
| CN210951997U (en) * | 2019-10-08 | 2020-07-07 | 青岛海尔中央空调有限公司 | Multi-split air conditioning system |
| WO2021019686A1 (en) * | 2019-07-30 | 2021-02-04 | 三菱電機株式会社 | Air-conditioning device and control method therefor |
| CN112344537A (en) * | 2020-11-17 | 2021-02-09 | 珠海格力电器股份有限公司 | Noise reduction control method and device for indoor unit of multi-split air conditioner and multi-split air conditioner |
| CN112710064A (en) * | 2019-10-24 | 2021-04-27 | 广东美的制冷设备有限公司 | Multi-split air conditioner, control method thereof and computer readable storage medium |
-
2022
- 2022-01-17 CN CN202210048354.8A patent/CN114484720B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11201572A (en) * | 1998-01-13 | 1999-07-30 | Matsushita Refrig Co Ltd | Multiroom air conditioner |
| KR20110112526A (en) * | 2010-04-07 | 2011-10-13 | 엘지전자 주식회사 | Air conditioner for preventing high pressure |
| CN102914027A (en) * | 2012-09-20 | 2013-02-06 | 宁波奥克斯电气有限公司 | Control method for preventing refrigerant of outdoor unit from bias flowing during refrigeration of multi-split air-conditioning unit |
| CN102914026A (en) * | 2012-09-20 | 2013-02-06 | 宁波奥克斯电气有限公司 | Control method for preventing refrigerant of outdoor unit of multi-linkage air conditioning unit from deflecting during heating |
| CN104501303A (en) * | 2014-11-24 | 2015-04-08 | 广东美的制冷设备有限公司 | Multi-split air conditioner and refrigerant circulation control method |
| CN104697120A (en) * | 2015-03-24 | 2015-06-10 | 广东美的暖通设备有限公司 | VRV (Varied Refrigerant Volume) system and noise reduction control method thereof |
| CN107763889A (en) * | 2017-11-21 | 2018-03-06 | 宁波奥克斯电气股份有限公司 | A kind of multi-online air-conditioning system and its control method |
| WO2021019686A1 (en) * | 2019-07-30 | 2021-02-04 | 三菱電機株式会社 | Air-conditioning device and control method therefor |
| CN210951997U (en) * | 2019-10-08 | 2020-07-07 | 青岛海尔中央空调有限公司 | Multi-split air conditioning system |
| CN112710064A (en) * | 2019-10-24 | 2021-04-27 | 广东美的制冷设备有限公司 | Multi-split air conditioner, control method thereof and computer readable storage medium |
| CN112344537A (en) * | 2020-11-17 | 2021-02-09 | 珠海格力电器股份有限公司 | Noise reduction control method and device for indoor unit of multi-split air conditioner and multi-split air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114484720A (en) | 2022-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114636225B (en) | Method and device for freezing protection of air conditioner, air conditioner and storage medium | |
| CN114216230A (en) | Method and device for controlling air conditioner, air conditioner and storage medium | |
| CN115435479A (en) | Control method and control device for air conditioner and storage medium | |
| CN114353249B (en) | Control method and device for multi-split air conditioner and multi-split air conditioner | |
| CN112432335B (en) | Method and device for controlling air conditioner and air conditioner | |
| CN114484720B (en) | Method and device for controlling air conditioner, air conditioner and storage medium | |
| CN115076869A (en) | Oil blockage preventing method and device for air conditioner, air conditioner and storage medium | |
| CN114234402A (en) | Method and device for degerming of degerming cabin air conditioner and degerming cabin air conditioner | |
| CN114593515A (en) | Method and device for controlling multi-split system and multi-split system | |
| CN114646122B (en) | Method and device for air conditioner temperature control, air conditioner and storage medium | |
| CN113639415B (en) | Method and device for defrosting air conditioner and air conditioner | |
| CN114484719B (en) | Method and device for controlling air conditioner and air conditioner | |
| CN115183383B (en) | Method and device for controlling air conditioning system, air conditioning system and storage medium | |
| CN116878130A (en) | Method and device for controlling air conditioner, air conditioner and storage medium | |
| CN115751674A (en) | Control method and control device for air conditioner, air conditioner and storage medium | |
| CN110762786B (en) | Air conditioning system, control method and control device | |
| CN111854206B (en) | Refrigerator equipment, refrigerating system and control method of refrigerating system | |
| CN115143606A (en) | Method and device for controlling air conditioner and air conditioner | |
| CN118049730A (en) | Method and device for controlling a temperature control system, temperature control system and storage medium | |
| CN116928829A (en) | Method and device for controlling air conditioner, air conditioner and storage medium | |
| CN117366775A (en) | Method and device for refrigerating air conditioner, air conditioner and storage medium | |
| CN117232112A (en) | Control method and device for one-to-many air conditioner and one-to-many air conditioner | |
| CN113865165A (en) | Method and device for defrosting of air conditioner and air conditioner | |
| CN117073148A (en) | Method and device for controlling multi-split air conditioner and multi-split air conditioner | |
| CN118274430A (en) | Method and device for controlling air conditioner and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |