CN114838415A - Method and device for controlling air conditioner and air conditioner - Google Patents

Method and device for controlling air conditioner and air conditioner Download PDF

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Publication number
CN114838415A
CN114838415A CN202210243377.4A CN202210243377A CN114838415A CN 114838415 A CN114838415 A CN 114838415A CN 202210243377 A CN202210243377 A CN 202210243377A CN 114838415 A CN114838415 A CN 114838415A
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CN
China
Prior art keywords
heat exchanger
indoor
controlling
communicated
indoor heat
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
CN202210243377.4A
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Chinese (zh)
Inventor
刘光朋
张鹏
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.)
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Original Assignee
Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
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Publication date
Application filed by Qingdao Haier Air Conditioner Gen Corp Ltd, Qingdao Haier Air Conditioning Electric Co Ltd, Haier Smart Home Co Ltd filed Critical Qingdao Haier Air Conditioner Gen Corp Ltd
Priority to CN202210243377.4A priority Critical patent/CN114838415A/en
Publication of CN114838415A publication Critical patent/CN114838415A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025—Cross-flow or tangential fans
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/60—Energy consumption
    • 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

Abstract

The present application discloses a method for controlling an air conditioner, the air conditioner including: the outdoor heat exchanger is arranged on the outdoor unit; the first indoor heat exchanger is arranged on the first indoor unit and is communicated with the first liquid dividing pipe; the second indoor heat exchanger is arranged on the second indoor unit and is communicated with the second liquid distribution pipe; one end of the liquid inlet and outlet pipe is provided with a stop valve, and the other end of the liquid inlet and outlet pipe is provided with an electromagnetic three-way valve; the first indoor machine and the second indoor machine are arranged in the same room, the outdoor heat exchanger is communicated with the liquid inlet and outlet pipe through a stop valve, and the first liquid distribution pipe and/or the second liquid distribution pipe are communicated or disconnected with the liquid inlet and outlet pipe through an electromagnetic three-way valve; the method comprises the following steps: controlling the electromagnetic three-way valve to be communicated or disconnected with the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger according to the temperature difference between the temperature set by the user and the current environment temperature; and controlling the starting of the first indoor unit and/or the second indoor unit and controlling the opening of the stop valve according to the communication condition of the first indoor heat exchanger and the second indoor heat exchanger.

Description

Method and device for controlling air conditioner and air conditioner
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 and the air conditioner.
Background
A common air conditioner at present has a single indoor unit and a single outdoor unit. If a plurality of indoor units are needed, other adaptive outdoor units need to be installed, and the installation space is easy to be insufficient.
The related art discloses a flow divider for an air conditioner, which includes: an outdoor unit side connecting part connected with an outdoor unit. A multi-indoor-unit-side connecting portion connected to the plurality of indoor units. A plurality of throttle valves, each of which has an opening degree adjustable within a range from zero (fully closed) to a certain value, provided between the outdoor-machine-side connecting portion and the indoor-machine-side connecting portions in correspondence with the plurality of indoor machines. And a controller for controlling the plurality of throttle valves. The controller controls the combined operation of the outdoor unit connected with the outdoor unit side connecting part and the indoor units connected with the indoor unit side connecting parts, each indoor unit consists of a basic indoor unit and a plurality of auxiliary indoor units, the heat exchange capacity of the basic indoor unit is approximately the same as that of the outdoor unit, and the heat exchange capacity of each auxiliary indoor unit is not larger than that of the basic indoor unit.
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:
when the air conditioner is frequently started or is subjected to constant temperature control for a long time, the energy consumption loss is large due to large temperature fluctuation.
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 nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for controlling an air conditioner and the air conditioner, so that energy consumption loss is reduced when the air conditioner is frequently started or is subjected to constant temperature control for a long time.
In some embodiments, the air conditioner includes: the outdoor heat exchanger is arranged in the outdoor unit; the first indoor heat exchanger is arranged on the first indoor unit and is communicated with the first liquid dividing pipe; the second indoor heat exchanger is arranged on the second indoor unit and is communicated with the second liquid distribution pipe; the liquid inlet and outlet pipe is internally provided with a refrigerant, one end of the liquid inlet and outlet pipe is provided with a stop valve with adjustable opening, and the other end of the liquid inlet and outlet pipe is provided with an electromagnetic three-way valve; the first indoor unit and the second indoor unit are arranged in the same room, the outdoor heat exchanger is communicated with the liquid inlet and outlet pipe through the stop valve, and the first liquid distribution pipe and/or the second liquid distribution pipe are communicated or disconnected with the liquid inlet and outlet pipe through the electromagnetic three-way valve; the method comprises the following steps:
controlling the electromagnetic three-way valve to be communicated or disconnected with the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger according to the temperature difference between the temperature set by the user and the current environment temperature;
and controlling the starting of the first indoor unit and/or the second indoor unit and controlling the opening of the stop valve according to the communication condition of the first indoor heat exchanger and the second indoor heat exchanger.
In some embodiments, the apparatus includes a processor and a memory storing program instructions, the processor being configured to, when executing the program instructions, perform the method for controlling an air conditioner described above.
In some embodiments, the air conditioner includes:
the device for controlling the air conditioner;
the outdoor heat exchanger is arranged in the outdoor unit;
the first indoor heat exchanger is arranged on the first indoor unit and is communicated with the first liquid dividing pipe;
the second indoor heat exchanger is arranged on the second indoor unit and is communicated with the second liquid distribution pipe;
the liquid inlet and outlet pipe is internally provided with a refrigerant, one end of the liquid inlet and outlet pipe is provided with a stop valve with adjustable opening, and the other end of the liquid inlet and outlet pipe is provided with an electromagnetic three-way valve;
the first indoor machine and the second indoor machine are arranged in the same room, the outdoor heat exchanger is communicated with the liquid inlet and outlet pipe through the stop valve, and the first liquid distribution pipe and/or the second liquid distribution pipe are communicated or disconnected with the liquid inlet and outlet pipe through the electromagnetic three-way valve.
The method and the device for controlling the air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
according to the temperature difference between the temperature set by the user and the current environment temperature, the electromagnetic three-way valve is accurately controlled to be communicated or disconnected with the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger, so that the first indoor unit and/or the second indoor unit are accurately controlled to be started, the opening degree of the stop valve is controlled, and the refrigerant flow entering the first indoor unit and the second indoor unit is accurately controlled. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the indoor temperature is accurately controlled, so that the energy consumption loss is reduced.
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 in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a schematic structural diagram of an air conditioner provided in an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of a method for controlling an air conditioner according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of another method for controlling an air conditioner according to an embodiment of the present disclosure;
FIG. 4 is a schematic illustration of a refrigeration effect of an embodiment of the present disclosure;
FIG. 5 is a power effect diagram of an embodiment of the present disclosure;
fig. 6 is a schematic diagram 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 elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. 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 be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged as appropriate for the embodiments of the disclosure described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.
As shown in fig. 1, an embodiment of the present disclosure provides an air conditioner including an outdoor heat exchanger, a first indoor heat exchanger 100, a second indoor heat exchanger 101, and a liquid inlet and outlet pipe 102. And an outdoor heat exchanger provided in the outdoor unit 103. The first indoor heat exchanger 100 is disposed in the first indoor unit 104 and communicates with the first liquid distribution pipe 105. The second indoor heat exchanger 101 is provided in the second indoor unit 106 and communicates with the second liquid distribution pipe 107. The liquid inlet and outlet pipe 102 is provided with a refrigerant inside, one end of the liquid inlet and outlet pipe is provided with a stop valve with adjustable opening, and the other end of the liquid inlet and outlet pipe is provided with an electromagnetic three-way valve 108. The first indoor unit 104 and the second indoor unit 106 are disposed in the same room, the outdoor heat exchanger is communicated with the liquid inlet and outlet pipe 102 through a stop valve, and the first liquid distribution pipe 105 and/or the second liquid distribution pipe 107 are communicated with or disconnected from the liquid inlet and outlet pipe 102 through an electromagnetic three-way valve 108.
By adopting the air conditioner provided by the embodiment of the disclosure, a structural basis is provided for accurately controlling the on-off of the first indoor heat exchanger 100, the second indoor heat exchanger 101 and the outdoor heat exchanger. Therefore, a structural basis is provided for accurately controlling the opening of the stop valve and further accurately controlling the flow of the refrigerant entering the first indoor unit 104 and the second indoor unit 106. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Optionally, the size of the first indoor heat exchanger 100 is larger than the size of the second indoor heat exchanger 101. Therefore, a structural basis is provided for accurately controlling the on-off of the first indoor heat exchanger 100, the second indoor heat exchanger 101 and the outdoor heat exchanger, and when the air conditioner is frequently started or is subjected to long-time constant temperature control, the fluctuation of the indoor temperature is favorably reduced.
Alternatively, the ratio of the pipe diameter of the first branch pipe to the area of the first indoor heat exchanger 100 is the same as the ratio of the pipe diameter of the second branch pipe to the area of the second indoor heat exchanger 101. Thus, the rationality of liquid separation is favorably ensured.
Optionally, the first indoor unit 104 further includes a first indoor fan. The second indoor unit 106 further includes a second indoor fan. Specifically, the first indoor fan may be a first through-flow fan. The second indoor fan may be a second crossflow fan. Therefore, the air flow after heat exchange is blown out more quickly, and fluctuation of indoor temperature is reduced better.
As shown in fig. 2, an embodiment of the present disclosure provides a method for controlling an air conditioner, including:
s201, the air conditioner controls the electromagnetic three-way valve to be communicated or disconnected with the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger according to the temperature difference between the temperature set by the user and the current environment temperature.
And S202, the air conditioner controls the starting of the first indoor unit and/or the second indoor unit according to the communication condition of the first indoor heat exchanger and the second indoor heat exchanger, and controls the opening degree of the stop valve.
By adopting the method for controlling the air conditioner provided by the embodiment of the disclosure, the connection or disconnection of the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger of the electromagnetic three-way valve can be accurately controlled according to the temperature difference between the temperature set by the user and the current environment temperature, so that the starting of the first indoor unit and/or the second indoor unit is accurately controlled, and the opening degree of the stop valve is controlled, thereby accurately controlling the flow of the refrigerant entering the first indoor unit and the second indoor unit. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Optionally, the air conditioner controls the electromagnetic three-way valve to connect or disconnect the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger according to the temperature difference between the temperature set by the user and the current ambient temperature, and the air conditioner comprises: and under the condition that the temperature difference between the temperature set by the user and the ambient temperature is within a first preset temperature difference range, the air conditioner controls the electromagnetic three-way valve to be communicated with the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger. And under the condition that the temperature difference between the temperature set by the user and the ambient temperature is within a second preset temperature difference range, the air conditioner controls the electromagnetic three-way valve to communicate the first indoor heat exchanger and the outdoor heat exchanger and disconnect the second heat exchanger and the outdoor heat exchanger. And under the condition that the temperature difference between the set temperature of the user and the ambient temperature is within a third preset temperature difference range, the air conditioner controls the electromagnetic three-way valve to communicate the second indoor heat exchanger with the outdoor heat exchanger and disconnect the first heat exchanger from the outdoor heat exchanger. Like this, be favorable to setting for the temperature difference of temperature and current ambient temperature according to the user, the intercommunication or the disconnection of first indoor heat exchanger, second indoor heat exchanger, outdoor heat exchanger of accurate control. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced better, and more accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced better.
Optionally, the first preset temperature difference range is higher than the second preset temperature difference range, and the second preset temperature difference range is higher than the third preset range. Like this, be favorable to better according to the size of the difference in temperature of user's settlement temperature and current ambient temperature, the intercommunication or the disconnection of first indoor heat exchanger, second indoor heat exchanger, outdoor heat exchanger of accurate control. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced better, and more accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced better.
Optionally, the first predetermined temperature difference range is [10 ℃, + ∞ ]. The second predetermined temperature difference range is (4 ℃, 10 ℃). The value of the third preset temperature difference range is [0, 4 ℃). Like this, inject the value of first preset difference in temperature, the second preset difference in temperature, the third preset difference in temperature, be favorable to better according to the size of the difference in temperature of user's settlement temperature and current ambient temperature, the intercommunication or the disconnection of first indoor heat exchanger, second indoor heat exchanger, outdoor heat exchanger of accurate control. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced better, and more accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced better.
Optionally, the air conditioner controls the start of the first indoor unit and/or the second indoor unit according to the communication condition of the first indoor heat exchanger and the second indoor heat exchanger, and includes: and under the condition that the first indoor heat exchanger is communicated with the outdoor heat exchanger and the second indoor heat exchanger is communicated with the outdoor heat exchanger, the air conditioner controls the first indoor unit to start and controls the second indoor unit to start. And under the condition that the first indoor heat exchanger is communicated with the outdoor heat exchanger and the second indoor heat exchanger is disconnected from the outdoor heat exchanger, the air conditioner controls the first indoor unit to be started. And under the condition that the second indoor heat exchanger is communicated with the outdoor heat exchanger and the first indoor heat exchanger is disconnected from the outdoor heat exchanger, the air conditioner controls the second indoor unit to be started. Therefore, the starting of the first indoor unit and/or the second indoor unit can be controlled accurately according to the temperature difference between the temperature set by the user and the current environment temperature, and the flow of the refrigerant entering the first indoor unit and the second indoor unit can be controlled accurately. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Optionally, the air conditioner controls the first indoor unit to start, including: the air conditioner controls the start of the first indoor fan. Therefore, the air flow after heat exchange of the first indoor heat exchanger is discharged more timely, fluctuation of indoor temperature is reduced better, accurate control of the indoor temperature is achieved, and energy consumption loss is reduced.
Optionally, the air conditioner controls the second indoor unit to start, including: the air conditioner controls the second indoor fan to start. Therefore, the air flow after heat exchange of the second indoor heat exchanger is discharged more timely, fluctuation of indoor temperature is reduced better, accurate control of the indoor temperature is achieved, and energy consumption loss is reduced.
Optionally, the air conditioner controls the opening degree of the shutoff valve, including: and under the condition that the first indoor heat exchanger is communicated with the outdoor heat exchanger and the second indoor heat exchanger is communicated with the outdoor heat exchanger, the air conditioner controls the opening degree of the stop valve to be a first preset opening degree. And under the condition that the first indoor heat exchanger is communicated with the outdoor heat exchanger and the second indoor heat exchanger is disconnected from the outdoor heat exchanger, the air conditioner controls the opening degree of the stop valve to be a second preset opening degree. And under the condition that the second indoor heat exchanger is communicated with the outdoor heat exchanger and the first indoor heat exchanger is disconnected from the outdoor heat exchanger, the air conditioner controls the opening degree of the stop valve to be a third preset opening degree. The first preset opening degree is larger than the second preset opening degree, and the second preset opening degree is larger than the third preset opening degree. Like this, be favorable to better according to the difference in temperature of user's settlement temperature and current ambient temperature, the aperture of accurate control stop valve to the refrigerant flow that accurate control got into first indoor set and second indoor set. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Optionally, the second preset opening degree has an incidence relation with the area of the first indoor heat exchanger and the pipe diameter of the first liquid dividing pipe. And the third preset opening degree is in incidence relation with the area of the second indoor heat exchanger and the pipe diameter of the second liquid dividing pipe. Specifically, the second preset opening degree is positively correlated with the area of the first indoor heat exchanger and the pipe diameter of the first liquid dividing pipe. The third preset opening degree is positively correlated with the area of the second indoor heat exchanger and the pipe diameter of the second liquid distribution pipe. Like this, be favorable to ground according to the difference in temperature of user's settlement temperature and current ambient temperature, the aperture of more accurate control stop valve to the refrigerant flow that more accurate control got into first indoor set and second indoor set. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Optionally, the first preset opening degree has a value range of [ 80%, 100% ]. Specifically, the value of the first preset opening may be 80%, 85%, 90%, 95%, or 100%. Like this, through the value of injecing first preset aperture, when first indoor heat exchanger, second indoor heat exchanger communicate with outdoor heat exchanger simultaneously, can control the aperture of stop valve more accurately, and then the refrigerant flow that more accurate control got into first indoor set and second indoor set. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Optionally, the value range of the second preset opening degree is [ 50%, 70% ]. Specifically, the value of the second preset opening degree may be 50%, 55%, 60%, 65%, or 70%. Like this, through the value of injecing the second and predetermine the aperture, when only first indoor heat exchanger communicates with outdoor heat exchanger, can control the aperture of stop valve more accurately, and then the refrigerant flow that more accurate control got into first indoor set. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Optionally, the third preset opening degree has a value range of [ 20%, 40% ]. Specifically, the value of the third preset opening degree may be 20%, 25%, 30%, 35% or 40%. Like this, through the value of injecing the third preset aperture, when only first indoor heat exchanger communicates with outdoor heat exchanger, can control the aperture of stop valve more accurately, and then the refrigerant flow that more accurate control got into the second indoor set. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Referring to fig. 3, an embodiment of the present disclosure provides another method for controlling an air conditioner, including:
and S301, the air conditioner controls the electromagnetic three-way valve to be communicated or disconnected with the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger according to the temperature difference between the temperature set by the user and the current ambient temperature.
S302, the air conditioner determines the communication condition of the first indoor heat exchanger and the second indoor heat exchanger according to the in-position condition of the valve core of the electronic three-way valve.
And S303, the air conditioner controls the starting of the first indoor unit and/or the second indoor unit according to the communication condition of the first indoor heat exchanger and the second indoor heat exchanger, and controls the opening degree of the stop valve.
By adopting the method for controlling the air conditioner provided by the embodiment of the disclosure, the connection or disconnection of the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger of the electromagnetic three-way valve can be accurately controlled according to the temperature difference between the temperature set by the user and the current environment temperature, so that the starting of the first indoor unit and/or the second indoor unit is accurately controlled, and the opening degree of the stop valve is controlled, thereby accurately controlling the flow of the refrigerant entering the first indoor unit and the second indoor unit. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
Optionally, the determining, by the air conditioner, the communication condition of the first indoor heat exchanger and the second indoor heat exchanger according to the position condition of the valve element of the electronic three-way valve includes: and determining that the first indoor heat exchanger is communicated with the outdoor heat exchanger and the second indoor heat exchanger is communicated with the outdoor heat exchanger under the condition that the valve core of the electronic three-way valve is in the T-shaped communication state. And if the valve core of the electronic three-way valve is in place and the first side is communicated, the first indoor heat exchanger is determined to be communicated with the outdoor heat exchanger, and the second indoor heat exchanger is determined to be disconnected from the outdoor heat exchanger. And if the valve core of the electronic three-way valve is in place and the second side is communicated, the first indoor heat exchanger is determined to be disconnected from the outdoor heat exchanger, and the second indoor heat exchanger is determined to be communicated with the outdoor heat exchanger. Therefore, the communication condition of the first indoor heat exchanger and the second indoor heat exchanger is determined according to the in-place condition of the valve core of the electronic three-way valve, so that the starting of the first indoor unit and/or the second indoor unit can be controlled more accurately, the opening of the stop valve is controlled, and the flow of refrigerant entering the first indoor unit and the second indoor unit is controlled more accurately. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
In practical applications, as shown in fig. 4 and 5, when the operating condition is set to 22 ℃ as the user-set temperature and 32 ℃ as the current ambient temperature, the air conditioner provided by the above-mentioned disclosed embodiment cools more rapidly than the normal air conditioner, which is reduced by 3 minutes compared with the normal air conditioner, and the temperature fluctuation of the air conditioner provided by the above-mentioned disclosed embodiment is smaller. Therefore, when the air conditioner is frequently started or keeps constant temperature control for a long time, the air conditioner is beneficial to reducing the fluctuation of the indoor temperature and realizing accurate control of the indoor temperature.
Meanwhile, the air conditioner provided by the above-described disclosed embodiment has a slightly higher power than that of the general air conditioner at the initial stage of cooling, but the air conditioner provided by the above-described disclosed embodiment has a significantly lower power than that of the general air conditioner at the time of power balance, and the air conditioner provided by the above-described disclosed embodiment is more power-saving from the point of view of the integral of the power curve. Therefore, under the condition that the air conditioner needs to be frequently started or the constant temperature control needs to be kept for a long time, the energy consumption loss is reduced.
As shown in fig. 6, an embodiment of the present disclosure provides an apparatus for controlling an air conditioner, which includes a processor (processor)600 and a memory (memory) 601. Optionally, the apparatus may also include a Communication Interface 602 and a bus 603. The processor 600, the communication interface 602, and the memory 601 may communicate with each other via a bus 603. The communication interface 602 may be used for information transfer. The processor 600 may call logic instructions in the memory 601 to perform the method for controlling the air conditioner of the above-described embodiment.
In addition, the logic instructions in the memory 601 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 601 is a computer-readable storage medium, and can be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 600 executes functional applications and data processing by executing program instructions/modules stored in the memory 601, that is, implements the method for controlling the air conditioner in the above-described embodiment.
The memory 601 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 601 may include a high speed random access memory, and may also include a non-volatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the device for controlling the air conditioner, an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger and a liquid inlet and outlet pipe. And the outdoor heat exchanger is arranged on the outdoor unit. The first indoor heat exchanger is arranged on the first indoor unit and communicated with the first liquid dividing pipe. And the second indoor heat exchanger is arranged on the second indoor unit and is communicated with the second liquid distribution pipe. The liquid inlet and outlet pipe is internally provided with a refrigerant, one end of the liquid inlet and outlet pipe is provided with a stop valve with adjustable opening, and the other end of the liquid inlet and outlet pipe is provided with an electromagnetic three-way valve. The first indoor machine and the second indoor machine are arranged in the same room, the outdoor heat exchanger is communicated with the liquid inlet and outlet pipe through the stop valve, and the first liquid distribution pipe and/or the first liquid distribution pipe is communicated or disconnected with the liquid inlet and outlet pipe through the electromagnetic three-way valve.
By adopting the air conditioner provided by the embodiment of the disclosure, the connection or disconnection of the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger of the electromagnetic three-way valve can be accurately controlled according to the temperature difference between the temperature set by the user and the current environment temperature, so that the starting of the first indoor unit and/or the second indoor unit can be accurately controlled, the opening degree of the stop valve can be controlled, and the refrigerant flow entering the first indoor unit and the second indoor unit can be accurately controlled. When the air conditioner is frequently started or is subjected to constant temperature control for a long time, the fluctuation of the indoor temperature is reduced, and the accurate control of the indoor temperature is realized, so that the energy consumption loss is reduced.
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 that, when executed by a computer, cause the computer to perform the above-described method for controlling an air conditioner.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify 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. Furthermore, the words used in the specification are words of description for example only and are not limiting upon the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "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 application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, 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 an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would 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 may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed 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 can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart 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 disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (10)

1. A method for controlling an air conditioner, characterized in that the air conditioner comprises: the outdoor heat exchanger is arranged on the outdoor unit; the first indoor heat exchanger is arranged on the first indoor unit and is communicated with the first liquid dividing pipe; the second indoor heat exchanger is arranged on the second indoor unit and is communicated with the second liquid distribution pipe; the liquid inlet and outlet pipe is internally provided with a refrigerant, one end of the liquid inlet and outlet pipe is provided with a stop valve with adjustable opening, and the other end of the liquid inlet and outlet pipe is provided with an electromagnetic three-way valve; the first indoor unit and the second indoor unit are arranged in the same room, the outdoor heat exchanger is communicated with the liquid inlet and outlet pipe through the stop valve, and the first liquid distribution pipe and/or the second liquid distribution pipe are communicated or disconnected with the liquid inlet and outlet pipe through the electromagnetic three-way valve; the method comprises the following steps:
controlling the electromagnetic three-way valve to be communicated or disconnected with the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger according to the temperature difference between the temperature set by the user and the current environment temperature;
and controlling the starting of the first indoor unit and/or the second indoor unit and controlling the opening of the stop valve according to the communication condition of the first indoor heat exchanger and the second indoor heat exchanger.
2. The method according to claim 1, wherein the controlling the electromagnetic three-way valve to connect or disconnect the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger according to the temperature difference between the user-set temperature and the current ambient temperature comprises:
under the condition that the temperature difference between the temperature set by the user and the ambient temperature is within a first preset temperature difference range, controlling the electromagnetic three-way valve to communicate the first indoor heat exchanger, the second indoor heat exchanger and the outdoor heat exchanger;
under the condition that the temperature difference between the temperature set by the user and the ambient temperature is within a second preset temperature difference range, controlling the electromagnetic three-way valve to communicate the first indoor heat exchanger and the outdoor heat exchanger and disconnect the second heat exchanger and the outdoor heat exchanger;
and under the condition that the temperature difference between the set temperature of the user and the ambient temperature is within a third preset temperature difference range, controlling the electromagnetic three-way valve to communicate the second indoor heat exchanger with the outdoor heat exchanger and disconnect the first heat exchanger from the outdoor heat exchanger.
3. The method of claim 2, wherein the first predetermined temperature difference range is higher than the second predetermined temperature difference range, and the second predetermined temperature difference range is higher than the third predetermined range.
4. The method of claim 1, wherein the controlling the activation of the first indoor unit and/or the second indoor unit according to the communication condition of the first indoor heat exchanger and the second indoor heat exchanger comprises:
under the condition that a first indoor heat exchanger is communicated with an outdoor heat exchanger and a second indoor heat exchanger is communicated with the outdoor heat exchanger, controlling the first indoor unit to start and controlling the second indoor unit to start;
under the condition that the first indoor heat exchanger is communicated with the outdoor heat exchanger and the second indoor heat exchanger is disconnected with the outdoor heat exchanger, controlling the first indoor unit to start;
and under the condition that the second indoor heat exchanger is communicated with the outdoor heat exchanger and the first indoor heat exchanger is disconnected from the outdoor heat exchanger, controlling the second indoor unit to start.
5. The method of claim 4, wherein the first indoor unit further comprises a first indoor fan; the controlling the first indoor unit to start includes:
and controlling the first indoor fan to start.
6. The method of claim 4, wherein the second indoor unit further comprises a second indoor fan; the controlling the second indoor unit to start includes:
and controlling the second indoor fan to start.
7. The method of claim 1, wherein said controlling the opening of said shut-off valve comprises:
under the condition that the first indoor heat exchanger is communicated with the outdoor heat exchanger and the second indoor heat exchanger is communicated with the outdoor heat exchanger, controlling the opening degree of the stop valve to be a first preset opening degree;
under the condition that the first indoor heat exchanger is communicated with the outdoor heat exchanger and the second indoor heat exchanger is disconnected from the outdoor heat exchanger, controlling the opening degree of the stop valve to be a second preset opening degree;
controlling the opening degree of the stop valve to be a third preset opening degree under the condition that the second indoor heat exchanger is communicated with the outdoor heat exchanger and the first indoor heat exchanger is disconnected from the outdoor heat exchanger;
the first preset opening degree is larger than the second preset opening degree, and the second preset opening degree is larger than the third preset opening degree.
8. An apparatus for controlling an air conditioner comprising a processor and a memory storing program instructions, characterized in that the processor is configured to perform the method for controlling an air conditioner according to any one of claims 1 to 7 when executing the program instructions.
9. An air conditioner, comprising:
the apparatus for controlling an air conditioner as claimed in claim 8 or 9;
the outdoor heat exchanger is arranged on the outdoor unit;
the first indoor heat exchanger is arranged on the first indoor unit and is communicated with the first liquid dividing pipe;
the second indoor heat exchanger is arranged on the second indoor unit and is communicated with the second liquid distribution pipe;
the liquid inlet and outlet pipe is internally provided with a refrigerant, one end of the liquid inlet and outlet pipe is provided with a stop valve with adjustable opening, and the other end of the liquid inlet and outlet pipe is provided with an electromagnetic three-way valve;
the first indoor machine and the second indoor machine are arranged in the same room, the outdoor heat exchanger is communicated with the liquid inlet and outlet pipe through the stop valve, and the first liquid distribution pipe and/or the second liquid distribution pipe are communicated or disconnected with the liquid inlet and outlet pipe through the electromagnetic three-way valve.
10. The air conditioner of claim 9, wherein the first indoor unit further comprises a first indoor fan, and wherein the second indoor unit further comprises a second indoor fan.
CN202210243377.4A 2022-03-11 2022-03-11 Method and device for controlling air conditioner and air conditioner Pending CN114838415A (en)

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