CN117006556A - Air conditioner control method and device, air conditioner and storage medium - Google Patents

Air conditioner control method and device, air conditioner and storage medium Download PDF

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Publication number
CN117006556A
CN117006556A CN202210483444.XA CN202210483444A CN117006556A CN 117006556 A CN117006556 A CN 117006556A CN 202210483444 A CN202210483444 A CN 202210483444A CN 117006556 A CN117006556 A CN 117006556A
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CN
China
Prior art keywords
air conditioner
energy
energy storage
temperature
function
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
CN202210483444.XA
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Chinese (zh)
Inventor
蔡国健
杜顺开
于永全
姚晓波
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.)
GD Midea Air Conditioning Equipment Co Ltd
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Original Assignee
GD Midea Air Conditioning Equipment Co Ltd
Wuhu Meizhi Air Conditioning Equipment Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by GD Midea Air Conditioning Equipment Co Ltd, Wuhu Meizhi Air Conditioning Equipment Co Ltd filed Critical GD Midea Air Conditioning Equipment Co Ltd
Priority to CN202210483444.XA priority Critical patent/CN117006556A/en
Priority to PCT/CN2022/102327 priority patent/WO2023206793A1/en
Publication of CN117006556A publication Critical patent/CN117006556A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001—Compression cycle type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/875—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling heat-storage apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/64—Airborne particle content
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/74—Ozone
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14—Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Sustainable Development (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application discloses a control method and device of an air conditioner, the air conditioner and a storage medium, and relates to the field of air conditioners. The control method of the air conditioner comprises the following steps: when the air conditioner is used for refrigerating or heating, the current environment temperature is obtained; and then controlling the switch of the energy storage function and the energy release function according to the current ambient temperature. According to the application, the pressure of the air conditioner system is determined through the current environment temperature, and then the energy storage function and the energy release function are respectively controlled in a switching manner according to the pressure of the air conditioner system, so that shutdown caused by overhigh pressure of the air conditioner system is avoided, and normal refrigeration or heating of the air conditioner is ensured.

Description

Air conditioner control method and device, air conditioner and storage medium
Technical Field
The present application relates to the field of air conditioning technologies, and in particular, to a control method and apparatus for an air conditioner, and a storage medium.
Background
Because of the special environment of the kitchen and bathroom in the home, the air conditioner used in the kitchen and bathroom is different from the conventional split type home air conditioner. The kitchen and bathroom air conditioner has an energy storage function and an energy release function, wherein the energy storage function stores cold or heat firstly, and then releases the stored cold or heat through the energy release function. However, the kitchen and bathroom air conditioner is easy to have the problem of overload system when in operation, so that the air conditioner is stopped and cannot work. Therefore, how to avoid overload problems of kitchen and bathroom air conditioners is a technical problem to be solved.
Disclosure of Invention
The application mainly aims to provide a control method and device of an air conditioner, the air conditioner and a storage medium, and aims to solve the technical problem that in the prior art, the air conditioner in a kitchen or a bathroom is easy to overload.
In order to achieve the above object, the present application provides a control method of an air conditioner, the air conditioner includes an energy storage loop, an energy release loop and an energy storage unit, the air conditioner has an energy storage function and an energy release function, under the energy storage function, the air conditioner stores cold or heat into the energy storage unit through the energy storage loop; under the energy release function, the air conditioner utilizes the cold energy or heat in the energy storage unit to refrigerate or heat through the energy release loop; the control method of the air conditioner comprises the following steps:
when the air conditioner is used for refrigerating or heating, the current environment temperature is obtained; the method comprises the steps of,
and controlling the switch of the energy storage function and the energy release function according to the current ambient temperature.
Optionally, the switch for controlling the energy storage function and the energy release function according to the current ambient temperature includes:
determining a current mode of the air conditioner, wherein the current mode is a refrigeration mode or a heating mode;
determining the energy release of the air conditioner according to the current mode and the current environment temperature; the method comprises the steps of,
and controlling the switch of the energy storage function and the energy release function according to the energy release.
Optionally, the energy release includes first ladder, second ladder and the third ladder of increase in proper order, according to the switch of energy release control energy storage function and energy release function, includes:
when the energy release is in the first ladder, the energy release function is controlled to be started, and the energy storage function is controlled to be started or closed according to the requirement of a user;
when the energy release is in the second step, the energy release function and the energy storage function are controlled to be started; the method comprises the steps of,
when the energy discharging is in the third step, the energy discharging function is controlled to be started, and the energy storage function is controlled to be closed.
Optionally, determining the energy release of the air conditioner according to the current mode and the current ambient temperature includes:
determining a corresponding reference temperature according to the current mode, wherein the reference temperature comprises a first temperature and a second temperature;
comparing the current ambient temperature with the first temperature and the second temperature respectively to obtain a comparison result; the method comprises the steps of,
and determining the energy release of the air conditioner according to the comparison result.
Optionally, the air conditioner comprises a compressor;
the control method of the air conditioner further comprises the following steps:
when the energy release is in the first step and the energy storage function is started, the compressor is controlled to operate at a reference frequency, and the reference frequency changes along with the current environmental temperature.
Optionally, the air conditioner comprises a compressor;
the control method of the air conditioner further comprises the following steps:
when the discharge energy is in the second step, the compressor is controlled to operate at a frequency within the set frequency range.
Optionally, the energy storage unit includes a water tank that stores cold or heat using water;
the control method of the air conditioner further comprises the following steps:
after the air conditioner is started, acquiring the water temperature in the water tank;
when a refrigerating instruction is received and the water temperature is smaller than the third temperature, controlling the air conditioner to enter a refrigerating mode;
and when a heating instruction is received and the water temperature is higher than the fourth temperature, controlling the air conditioner to enter a heating mode.
In addition, in order to achieve the above purpose, the application also provides a control device of an air conditioner, the air conditioner comprises an energy storage loop, an energy release loop and an energy storage unit, the air conditioner has an energy storage function and an energy release function, and under the energy storage function, the air conditioner stores cold or heat into the energy storage unit through the energy storage loop; under the energy release function, the air conditioner utilizes the cold energy or heat in the energy storage unit to refrigerate or heat through the energy release loop;
the control device of the air conditioner comprises:
the detection module is used for acquiring the current environment temperature when the air conditioner refrigerates or heats; the method comprises the steps of,
and the control module is used for controlling the switch of the energy storage function and the energy release function according to the current ambient temperature.
In addition, in order to achieve the above-mentioned purpose, the present application also proposes an air conditioner, the air conditioner includes a first chassis and a second chassis, the first chassis includes an air inlet pipe, an exhaust pipe, a water tank, a compressor and a first heat exchanger, the water tank is internally provided with the water tank heat exchanger, the compressor, the first heat exchanger and the water tank heat exchanger form an energy storage loop, the second chassis includes a flow regulating pump and a second heat exchanger, and the flow regulating pump and the second heat exchanger form an energy release loop; the air conditioner has an energy storage function and an energy release function; under the energy storage function, the air conditioner stores cold or heat into the water tank through the energy storage loop; under the energy release function, the air conditioner utilizes the cold or heat in the water tank to refrigerate or heat through the energy release loop;
the air conditioner also comprises a controller, the controller is connected with the energy storage loop and the energy release loop, and the controller comprises a memory, a processor and a control program of the air conditioner which is stored on the memory and can run on the processor, and the control program of the air conditioner realizes the control method of the air conditioner when being executed by the processor.
In addition, in order to achieve the above object, the present application also provides a storage medium, on which a control program of an air conditioner is stored, which when executed by a processor implements the control method of the air conditioner as described above.
The application obtains the current environment temperature when the air conditioner is used for refrigerating or heating; and controlling the switch of the energy storage function and the energy release function according to the current ambient temperature. According to the application, the pressure of the air conditioner system is determined through the current environment temperature, and then the energy storage function and the energy release function are respectively controlled in a switching manner according to the pressure of the air conditioner system, so that shutdown caused by overhigh pressure of the air conditioner system is avoided, and normal refrigeration or heating of the air conditioner is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a first chassis of an air conditioner according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a second chassis of an air conditioner according to an embodiment of the present application;
fig. 3 is a system configuration diagram of an air conditioner according to an embodiment of the present application;
FIG. 4 is a flowchart of a control method of an air conditioner according to a first embodiment of the present application;
FIG. 5 is a flowchart illustrating a control method of an air conditioner according to a second embodiment of the present application;
fig. 6 is a block diagram illustrating a control apparatus of an air conditioner according to a first embodiment of the present application.
Reference numerals illustrate:
reference numerals Name of the name Reference numerals Name of the name
1 First chassis 17 Temperature sensor
11 Air inlet pipe 18 Expansion valve
12 Exhaust pipe 2 Second chassis
13 First heat exchanger 21 Flow regulating pump
14 Compressor 22 Second heat exchanger
15 Water tank 23 Water outlet
16 Water tank heat exchanger 24 Water inlet
The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the terms first, second, third, etc. do not denote any order, but rather the terms first, second, third, etc. are used to interpret the terms as names.
In order to make the technical scheme related to the implementation mode of each control method clearer, the application firstly provides an air conditioner. Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a first cabinet of an air conditioner according to an embodiment of the present application; fig. 2 is a schematic structural diagram of a second chassis of an air conditioner according to an embodiment of the present application.
As shown in fig. 1 and 2, the air conditioner includes a first casing 1 and a second casing 2. The first chassis 1 includes an air inlet pipe 11, an exhaust pipe 12, a first heat exchanger 13, a compressor 14 and a water tank 15, and a water tank heat exchanger 16 is disposed in the water tank 15. The second casing 2 includes a flow rate regulating pump 21 and a second heat exchanger 22. The flow rate regulating pump 21 in the second casing 2 is connected to the water tank 15 in the first casing 1 through a water pipe. The first casing 1 and the second casing 2 are generally disposed indoors and communicate with an outdoor environment through an air inlet duct 11 and an air outlet duct 12. Of course, the first chassis may also be directly disposed outdoors.
The first casing 1 is further provided with a first fan that sucks in outdoor air through the air inlet duct 11 when it is operated and then discharges the air to the outside through the air outlet duct 12. The air flows through the first heat exchanger 13 in the first casing 1, and exchanges heat with the refrigerant in the first heat exchanger 13. A second fan, an air inlet and an air outlet are also arranged in the second chassis 2. The second fan sucks in indoor air through the air inlet when in operation, and then discharges the indoor air through the air outlet. The air flows through the second heat exchanger 22 in the second casing 2, and exchanges heat with the refrigerant in the second heat exchanger 22.
Or referring to fig. 4, fig. 4 is a system configuration diagram of an air conditioner according to an embodiment of the present application. The air conditioner has an energy storage function and an energy release function. The compressor 14, the first heat exchanger 13, the tank heat exchanger 16 and the expansion valve 18 form an energy storage circuit. In the energy storage function, the air conditioner stores cold or heat into the water tank 15 through the energy storage circuit. The water tank 15 stores water, the purpose of storing heat is achieved by increasing the temperature of the water, and the purpose of storing cold is achieved by decreasing the temperature of the water. When cold accumulation is carried out, the compressor 14 is started, the gaseous refrigerant is transmitted to the first heat exchanger 13 for condensation, and then enters the water tank heat exchanger 16 for evaporation after passing through the expansion valve 18, so that the temperature of water is reduced. The compressor 14 is started during heat accumulation, the gaseous refrigerant is transmitted to the water tank heat exchanger 16 for condensation, and then enters the first heat exchanger 13 for evaporation after passing through the expansion valve 18, so that the temperature is reduced. One or more temperature sensors 17 may also be provided within the water tank 15 to monitor the temperature of the water within the water tank 15.
The flow regulating pump 21, the energy storage unit, and the second heat exchanger 22 form a discharge circuit. The energy storage unit may be a water tank 15, a water outlet 23 and a water inlet 24 are arranged on the water tank 15, and the flow regulating pump 21 may be a water pump. Under the energy release function, the air conditioner uses the cold or heat in the water tank 15 to cool or heat through the energy release loop. After the flow regulating pump is started, water is pumped from the water tank 15 and sent to the second heat exchanger 22. When the water in the water tank 15 is cold water, the second heat exchanger 22 can be lowered to the temperature of the indoor air flowing therethrough, thereby achieving a refrigerating effect. When the water in the water tank 15 is hot water, the second heat exchanger 22 can raise the temperature of the indoor air flowing therethrough, thereby achieving a heating effect.
The air conditioner further includes a controller connected to the compressor 14, the flow rate adjusting pump 21, and the fan for controlling the operation of the respective components. The controller 8 may include a processor, memory, and the like. The control program of the air conditioner is stored in the memory, and the processor executes the control method of the air conditioner provided by the embodiment of the application by calling the control program of the air conditioner.
It will be appreciated by those skilled in the art that the structures shown in fig. 1 and 2 are not limiting of the air conditioner and may include more or fewer components than shown, or may combine certain components, or may be arranged in different components.
Based on the above hardware structure, an embodiment of the control method of the air conditioner of the present application is presented.
Referring to fig. 4, fig. 4 is a flowchart illustrating a first embodiment of a control method of an air conditioner according to the present application.
In a first embodiment, the control method of the air conditioner includes the steps of:
step S10: and when the air conditioner is used for refrigerating or heating, the current environment temperature is obtained.
It should be understood that the execution body of the present embodiment may be the controller in the foregoing air conditioner, and the controller has functions of data processing, data communication, program running, and the like. Of course, other devices with similar functions may be used, and the implementation conditions are not limited thereto.
The air conditioner may be provided with a temperature sensor, which may be provided at the first cabinet (e.g., an inlet of the air inlet duct) to detect the temperature of the outdoor environment, thereby determining the current environmental temperature. Or the temperature sensor may be disposed on the second casing to detect the temperature of the indoor environment to determine the current environmental temperature; of course, the current ambient temperature may also be obtained in other manners, such as from a weather database via a network, which is not limited in this embodiment.
The temperature sensor can feed back data to the controller according to the set time interval, so that the power consumption of the temperature sensor is reduced. The time interval may be 1 minute or 2 minutes, and the specific value thereof may be set according to the requirement, which is not limited in this embodiment. The controller executes the control flow according to the present embodiment each time feedback data from the temperature sensor is received, based on the received current ambient temperature.
The air conditioner is generally provided with a heating mode and a refrigerating mode, so that the operation of the air conditioner can be controlled more accurately, and the water temperature in the water tank can be obtained after the air conditioner is started; when a refrigerating instruction is received and the water temperature is smaller than the third temperature, controlling the air conditioner to enter a refrigerating mode; and when a heating instruction is received and the water temperature is higher than the fourth temperature, controlling the air conditioner to enter a heating mode.
A temperature sensor may also be provided in the tank and the controller may control the temperature of the water in the tank by receiving the temperature sensor provided in the tank. When the water tank is large in size, a plurality of temperature sensors can be used for detecting the water temperature, so that the detection accuracy of the water temperature is improved.
When refrigeration is carried out, the water tank is usually required to store enough cold energy; while in heating, it is often necessary to store sufficient heat in the tank. The water temperature in the water tank can reflect the cold or heat storage capacity, and the more the cold is, the lower the water temperature is; the more heat, the higher the water temperature. The third temperature may be less than zero degrees, such as-2 degrees celsius or-3 degrees celsius. When the water temperature is smaller than the third temperature, the cooling capacity in the water tank is enough, and at the moment, when a cooling instruction is received, cooling can be started. The fourth temperature is typically higher, such as 60 ℃ or 65 ℃. When the water temperature is higher than the third temperature, the heat in the water tank is enough, and at the moment, if a heating instruction is received, heating can be started. The user may also input a cooling instruction or a heating instruction through a function button or the like provided in the remote controller or the mobile terminal or the like.
Step S20: and controlling the switch of the energy storage function and the energy release function according to the current ambient temperature.
In the embodiment of the application, the energy storage function and the energy release function of the air conditioner can be operated independently or simultaneously. For example, after the air conditioner is started, the linear start energy storage function, the compressor is started, and cold or heat is stored in the water tank; only the energy storage function is operated at this time. After the cold accumulation or the heat accumulation reaches a certain degree, starting a flow regulating pump, and utilizing water in a water tank to cool or cool; at this time, the compressor can be kept in a starting state, that is, the energy storage function and the energy release function are operated simultaneously. When the cold or heat accumulation in the water tank reaches the set upper limit, the compressor can be closed, and the flow regulating pump is kept started, so that only the energy release function operates. With reference to the aforementioned air conditioner structure, the energy storage circuit and the energy release circuit belong to two different circuits, which are driven by different components, respectively. Therefore, the energy storage loop and the energy release loop can not directly influence each other when in operation.
When the air conditioner is refrigerating, if the current ambient temperature is higher, the system pressure is higher when the air conditioner is cold-accumulating and cold-releasing; when the air conditioner heats, if the current ambient temperature is lower, the system pressure is higher when heat is stored and released. If the system pressure of the air conditioner is too high, the air conditioner may be stopped, and user experience is affected.
In order to avoid the excessive system pressure, the energy storage function and the energy release function are required to be respectively controlled in a switching way. The switch control of the energy storage function is mainly realized by controlling the running state of the compressor. When the energy storage function needs to be started, the compressor can be controlled to be in a starting state; when the energy storage function is required to be closed, the compressor can be controlled to be in a stop state. The switch control of the energy release function is mainly realized by controlling the running state of the flow regulating pump. When the energy release function needs to be started, the flow regulating pump can be controlled to be in a starting state; when the energy release function needs to be closed, the flow regulating pump can be controlled to be in a stop state.
In order to ensure user experience, when a user needs to refrigerate or heat, the opening of the cooling function or the heat release function needs to be ensured preferentially. At this time, the energy storage function may be selectively turned on or off in order to avoid an excessive system pressure. Namely, when in refrigeration, if the current ambient temperature is higher, the cold accumulation function can be closed, and the cold release function is kept open; when heating, if the current ambient temperature is more positive, the heat storage function can be closed, and the heat release function is kept open. When the user turns off the refrigeration or heating, the energy storage function and the energy release function are turned off.
In the present embodiment, the current ambient temperature is obtained when the air conditioner is refrigerating or heating; then controlling a switch of an energy storage function and an energy release function according to the current ambient temperature; therefore, the energy storage function and the energy release function are respectively controlled in a switching mode according to the pressure of the air conditioner system, shutdown caused by overhigh pressure of the air conditioner system is avoided, and normal refrigeration or heating of the air conditioner is ensured.
Referring to fig. 5, fig. 5 is a flowchart illustrating a control method of an air conditioner according to a second embodiment of the present application. Based on the above-mentioned first embodiment, a second embodiment of the control method of the air conditioner of the present application is proposed.
In this embodiment, in order to more effectively adjust the air conditioner system pressure, step S20 may include:
step S201: a current mode of the air conditioner is determined.
The operation modes of the air conditioner generally include a cooling mode and a heating mode, and a user typically turns on the cooling mode when the room temperature is high and turns on the heating mode when the room temperature is low. In the refrigeration mode, the higher the room temperature, the higher the air conditioner system pressure, and conversely, the lower the air conditioner system pressure; in the heating mode, the higher the room temperature, the lower the air conditioner system pressure, and vice versa. Thus, in different modes, the current ambient temperature reflects different system pressures.
The operation mode of the air conditioner is generally controlled by a user, so that the current mode of the air conditioner can be determined according to a control instruction input by the user. If the control instruction input by the user is a refrigeration instruction, the current mode is a refrigeration mode; if the control instruction input by the user is a heating instruction, the current mode is a heating mode. Currently, the controller may also drive the current mode through the operating parameters of the air conditioner.
Step S202: and determining the energy release of the air conditioner according to the current mode and the current environment temperature.
The energy release can be the amount of refrigeration or heating capacity required by the air conditioner. Therefore, if the controller refrigerates, the higher the current ambient temperature is, the more refrigeration is needed, and the larger the energy release is, otherwise, the smaller the energy release is; if the controller heats, the lower the current ambient temperature is, the more heating amount is needed, the larger the energy release is, and otherwise, the smaller the energy release is.
In the present embodiment, the energy release may be set to a first step, a second step, and a third step that increase in order. Specifically, a corresponding reference temperature may be determined according to the current mode, where the reference temperature includes a first temperature and a second temperature; comparing the current ambient temperature with the first temperature and the second temperature respectively to obtain a comparison result; and determining the energy release of the air conditioner according to the comparison result.
Three temperature intervals are divided by setting the first temperature and the second temperature, and each temperature interval corresponds to one energy release. As described above, the air conditioner is different in system pressure reflected by the current ambient temperature in different operation modes, so that the first temperature and the second temperature are also different in different operation modes.
For example, the first temperature may be 35 ℃ and the second temperature 43 ℃ when the air conditioner is in the cooling mode. If the current ambient temperature is less than or equal to 35 ℃, discharging energy into a first step; if the current ambient temperature is higher than 35 ℃ and lower than or equal to 43 ℃, discharging energy to be a second step; and if the current ambient temperature is higher than 35 ℃, discharging energy into a third step. The first temperature may be 5 ℃ and the second temperature may be 12 ℃ when the air conditioner is in the heating mode. If the current ambient temperature is less than 5 ℃, discharging energy to be a third step; if the current ambient temperature is greater than or equal to 5 ℃ and less than 12 ℃, discharging energy to be a second step; and if the current ambient temperature is greater than or equal to 12 ℃, discharging energy into a first step. Of course, the above values are merely examples, and specific values of the first temperature and the second temperature may be set according to requirements, which is not limited in this embodiment.
Step S203: and controlling the switch of the energy storage function and the energy release function according to the energy release.
In order to ensure the refrigerating or heating requirement of a user, the energy release function needs to be kept in an on state; and then the switch of the energy storage function is controlled according to the pressure carried by the energy release function. When the energy release is larger, the system pressure (the pressure of the energy storage loop) carried by the energy release function is larger, and the energy storage function can be controlled to be closed at the moment; when the energy release is larger, the pressure brought by the energy release function is smaller, and the energy storage function can be controlled to be started at the moment.
Taking the example that the energy release comprises a first ladder, a second ladder and a third ladder, when the energy release is in the first ladder, the energy release function is controlled to be started, and the energy storage function is controlled to be started or closed according to the requirement of a user; when the energy release is in the second step, the energy release function and the energy storage function are controlled to be started; when the energy discharging is in the third step, the energy discharging function is controlled to be started, and the energy storage function is controlled to be closed.
When the energy release is in the first step, the system pressure brought by the energy release loop is not large, and the air conditioner system pressure is low. Thus, the disabling function can be kept on. Also, because the energy release is lower, the consumption degree of the cold energy or the heat energy stored in the water tank is not high, and therefore, the energy storage function can be directly closed. Or the energy storage function can be started for keeping the long-term operation of the energy release function. When the energy storage function is started, the compressor can be controlled to operate at a reference frequency, and the reference frequency changes along with the current environmental temperature. In the refrigeration mode, the reference frequency is positively correlated with the current ambient temperature, namely, the higher the current ambient temperature is, the higher the reference frequency is, so as to ensure that the cooling meets the user requirement. In the heating mode, the reference frequency is inversely related to the current ambient temperature, namely, the lower the current ambient temperature is, the higher the reference frequency is on the premise that the current ambient temperature is higher than 12 ℃, so that the heat release is ensured to meet the user requirement.
When the discharge energy is in the second step, the load of the air conditioner is large, the peak capacity of cooling or heat release is high, and the discharge energy alone may not be capable of maintaining the user demand. At this time, because the system pressure is still in the controllable scope, the energy storage function and the energy release function can be controlled to be simultaneously started. In addition, in order to avoid overload of the system, the compressor can be controlled to operate at a frequency within a set frequency range, so that the pressure brought by the energy storage function is limited, and the overvoltage of the air conditioner system is avoided. The set frequency range may be set according to requirements, which is not limited in this embodiment.
When the energy release is in the third step, the system pressure exceeds the standard, so as to ensure the reliability of the system, simultaneously meet the requirements of users, the energy storage function is required to be closed, and only the energy release function is kept to operate. In general, at higher ambient temperatures, the system pressure may exceed the standard as the tank evaporation pressure increases.
In the present embodiment, by determining the current mode of the air conditioner; then determining energy release according to the current mode and the current environment temperature; and then the switch of the energy storage function and the energy release function is controlled according to the energy release. According to the energy discharging method and device for the air conditioner, the energy discharging of the air conditioner is distinguished by utilizing the current environment temperature, so that the energy storage function and the energy discharging function are controlled to be switched on and off respectively under the energy discharging of different steps, and the pressure of the air conditioner system is limited on the premise of guaranteeing the requirements of users, and the shutdown caused by overvoltage is avoided.
In addition, the embodiment of the application also provides a storage medium, wherein the storage medium stores a control program of the air conditioner, and the control program of the air conditioner realizes the steps of the control method of the air conditioner when being executed by a processor. The technical solutions of all the embodiments can be adopted by the storage medium, so that the storage medium has at least the beneficial effects brought by the technical solutions of the embodiments, and the description is omitted herein.
Further, referring to fig. 6, fig. 6 is a block diagram showing a control apparatus of an air conditioner according to a first embodiment of the present application. The embodiment of the application also provides a control device of the air conditioner.
In this embodiment, a control device for an air conditioner includes:
the detection module 10 is configured to obtain a current ambient temperature when the air conditioner is cooling or heating.
The air conditioner may be provided with a temperature sensor, which may be provided at the first cabinet (e.g., an inlet of the air inlet duct) to detect the temperature of the outdoor environment, thereby determining the current environmental temperature. Or the temperature sensor may be disposed on the second casing to detect the temperature of the indoor environment to determine the current environmental temperature; of course, the current ambient temperature may also be obtained in other manners, such as from a weather database via a network, which is not limited in this embodiment.
The temperature sensor can feed back data to the controller according to the set time interval, so that the power consumption of the temperature sensor is reduced. The time interval may be 1 minute or 2 minutes, and the specific value thereof may be set according to the requirement, which is not limited in this embodiment. The detection module 10 executes the control flow according to the present embodiment each time feedback data from the temperature sensor is received, based on the received current ambient temperature.
The air conditioner is generally provided with a heating mode and a refrigerating mode, so that the operation of the air conditioner can be controlled more accurately, and the water temperature in the water tank can be obtained after the air conditioner is started; when a refrigerating instruction is received and the water temperature is smaller than the third temperature, controlling the air conditioner to enter a refrigerating mode; and when a heating instruction is received and the water temperature is higher than the fourth temperature, controlling the air conditioner to enter a heating mode.
A temperature sensor may also be provided in the tank, and the detection module 10 may detect the temperature of the water in the tank by receiving the temperature sensor provided in the tank or the temperature of the water in the tank. When the water tank is large in size, a plurality of temperature sensors can be used for detecting the water temperature, so that the detection accuracy of the water temperature is improved.
When refrigeration is carried out, the water tank is usually required to store enough cold energy; while in heating, it is often necessary to store sufficient heat in the tank. The water temperature in the water tank can reflect the cold or heat storage capacity, and the more the cold is, the lower the water temperature is; the more heat, the higher the water temperature. The third temperature may be less than zero degrees, such as-2 degrees celsius or-3 degrees celsius. When the water temperature is smaller than the third temperature, the cooling capacity in the water tank is enough, and at the moment, when a cooling instruction is received, cooling can be started. The fourth temperature is typically higher, such as 60 ℃ or 65 ℃. When the water temperature is higher than the third temperature, the heat in the water tank is enough, and at the moment, if a heating instruction is received, heating can be started. The user may also input a cooling instruction or a heating instruction through a function button or the like provided in the remote controller or the mobile terminal or the like.
The control module 20 is used for controlling the switch of the energy storage function and the energy release function according to the current ambient temperature.
With reference to the aforementioned air conditioner structure, the energy storage circuit and the energy release circuit belong to two different circuits, which are driven by different components, respectively. Therefore, the energy storage loop and the energy release loop can not directly influence each other when in operation.
When the air conditioner is refrigerating, if the current ambient temperature is higher, the system pressure is higher when the air conditioner is cold-accumulating and cold-releasing; when the air conditioner heats, if the current ambient temperature is lower, the system pressure is higher when heat is stored and released. If the system pressure of the air conditioner is too high, the air conditioner may be stopped, and user experience is affected.
In order to avoid the excessive system pressure, the energy storage function and the energy release function are required to be respectively controlled in a switching way. The switch control of the energy storage function is mainly realized by controlling the running state of the compressor. When the energy storage function needs to be started, the compressor can be controlled to be in a starting state; when the energy storage function is required to be closed, the compressor can be controlled to be in a stop state. The switch control of the energy release function is mainly realized by controlling the running state of the flow regulating pump. When the energy release function needs to be started, the flow regulating pump can be controlled to be in a starting state; when the energy release function needs to be closed, the flow regulating pump can be controlled to be in a stop state.
In order to ensure user experience, when a user needs to refrigerate or heat, the opening of the cooling function or the heat release function needs to be ensured preferentially. At this time, the energy storage function may be selectively turned on or off in order to avoid an excessive system pressure. Namely, when in refrigeration, if the current ambient temperature is higher, the cold accumulation function can be closed, and the cold release function is kept open; when heating, if the current ambient temperature is more positive, the heat storage function can be closed, and the heat release function is kept open. When the user turns off the refrigeration or heating, the energy storage function and the energy release function are turned off.
In this embodiment, the detection module 10 acquires the current ambient temperature when the air conditioner is cooling or heating; the control module 20 controls the switch of the energy storage function and the energy release function according to the current ambient temperature; therefore, the energy storage function and the energy release function are respectively controlled in a switching mode according to the pressure of the air conditioner system, shutdown caused by overhigh pressure of the air conditioner system is avoided, and normal refrigeration or heating of the air conditioner is ensured.
In one embodiment, the control module 20 is further configured to determine a current mode of the air conditioner, where the current mode is a cooling mode or a heating mode; determining energy release according to the current mode and the current environment temperature; and controlling the switch of the energy storage function and the energy release function according to the energy release.
In an embodiment, optionally, the discharging energy includes a first step, a second step and a third step that are sequentially increased, and the control module 20 is further configured to control the discharging energy function to be turned on and control the energy storage function to be turned on or turned off according to a user requirement when the discharging energy is in the first step; when the energy release is in the second step, the energy release function and the energy storage function are controlled to be started; when the energy discharging is in the third step, the energy discharging function is controlled to be started, and the energy storage function is controlled to be closed.
In an embodiment, the control module 20 is further configured to determine a corresponding reference temperature according to the current mode, where the reference temperature includes a first temperature and a second temperature; comparing the current ambient temperature with the first temperature and the second temperature respectively to obtain a comparison result; and determining the energy release of the air conditioner according to the comparison result.
In one embodiment, the control module 20 is further configured to control the compressor to operate at a reference frequency that varies with the current ambient temperature when the discharge energy is in the first step and the energy storage function is on.
In one embodiment, the control module 20 is further configured to control the compressor to operate at a frequency within the set frequency range when the discharge energy is in the second step.
Other embodiments or specific implementation conditions of the control device for an air conditioner according to the present application may refer to the above method embodiments, so that the control device at least has all the beneficial effects brought by the technical solutions of the above embodiments, and will not be described herein.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (10)

1. The control method of the air conditioner is characterized in that the air conditioner comprises an energy storage loop, an energy release loop and an energy storage unit, the air conditioner has an energy storage function and an energy release function, and the air conditioner stores cold or heat into the energy storage unit through the energy storage loop under the energy storage function; under the energy release function, the air conditioner utilizes the cold energy or heat in the energy storage unit to perform refrigeration or heating through the energy release loop; the control method comprises the following steps:
when the air conditioner is used for refrigerating or heating, the current environment temperature is obtained; the method comprises the steps of,
and controlling the switch of the energy storage function and the energy release function according to the current ambient temperature.
2. The control method of an air conditioner as set forth in claim 1, wherein said controlling the switching of the energy storage function and the energy discharge function according to the current ambient temperature includes:
determining a current mode of the air conditioner, wherein the current mode is a refrigeration mode or a heating mode;
determining the energy release of the air conditioner according to the current mode and the current environment temperature; the method comprises the steps of,
and controlling the switch of the energy storage function and the energy release function according to the energy release.
3. The control method of an air conditioner as set forth in claim 2, wherein the discharging includes a first step, a second step, and a third step which are sequentially increased, and the controlling the energy storage function and the discharging function according to the discharging includes:
when the energy release is in the first step, the energy release function is controlled to be started, and the energy storage function is controlled to be started or closed according to the user demand;
when the energy release is in the second step, controlling the energy release function and the energy storage function to be both started; the method comprises the steps of,
and when the energy release is in the third step, controlling the energy release function to be started and controlling the energy storage function to be closed.
4. The control method of an air conditioner as set forth in claim 3, wherein said determining a discharge energy of the air conditioner according to the current mode and the current ambient temperature includes:
determining a corresponding reference temperature according to the current mode, wherein the reference temperature comprises a first temperature and a second temperature;
comparing the current ambient temperature with the first temperature and the second temperature respectively to obtain a comparison result; the method comprises the steps of,
and determining the energy release of the air conditioner according to the comparison result.
5. The control method of an air conditioner as set forth in claim 3, wherein the air conditioner includes a compressor;
the control method of the air conditioner further comprises the following steps:
and when the energy release is in a first step and the energy storage function is started, controlling the compressor to operate at a reference frequency, wherein the reference frequency is changed along with the current environmental temperature.
6. The control method of an air conditioner as set forth in claim 3, wherein the air conditioner includes a compressor;
the control method of the air conditioner further comprises the following steps:
and when the energy release is in the second step, controlling the compressor to operate at a frequency within a set frequency range.
7. The control method of an air conditioner according to any one of claims 1 to 6, wherein the energy storage unit includes a water tank that stores cold or heat using water;
the control method of the air conditioner further comprises the following steps:
after the air conditioner is started, acquiring the water temperature in the water tank;
when a refrigerating instruction is received and the water temperature is smaller than a third temperature, controlling the air conditioner to enter a refrigerating mode; the method comprises the steps of,
and when a heating instruction is received and the water temperature is higher than a fourth temperature, controlling the air conditioner to enter a heating mode.
8. The control device of the air conditioner is characterized in that the air conditioner comprises an energy storage loop, an energy release loop and an energy storage unit, wherein the air conditioner has an energy storage function and an energy release function, and the air conditioner stores cold or heat into the energy storage unit through the energy storage loop under the energy storage function; under the energy release function, the air conditioner utilizes the cold energy or heat in the energy storage unit to perform refrigeration or heating through the energy release loop;
the control device of the air conditioner comprises:
the detection module is used for acquiring the current environment temperature when the air conditioner refrigerates or heats; the method comprises the steps of,
and the control module is used for controlling the switch of the energy storage function and the energy release function according to the current ambient temperature.
9. The air conditioner is characterized by comprising a first machine case and a second machine case, wherein the first machine case comprises an air inlet pipe, an exhaust pipe, a water tank, a compressor and a first heat exchanger, the water tank is internally provided with the water tank heat exchanger, the compressor, the first heat exchanger and the water tank heat exchanger form an energy storage loop, the second machine case comprises a flow regulating pump and a second heat exchanger, and the flow regulating pump and the second heat exchanger form an energy release loop; the air conditioner has an energy storage function and an energy release function; under the energy storage function, the air conditioner stores cold or heat into the water tank through the energy storage loop; under the energy release function, the air conditioner utilizes the cold or heat in the water tank to perform refrigeration or heating through the energy release loop;
the air conditioner further comprises a controller, wherein the controller is connected with the energy storage loop and the energy release loop, the controller comprises a memory, a processor and a control program of the air conditioner, the control program of the air conditioner is stored on the memory and can run on the processor, and the control method of the air conditioner is realized when the control program of the air conditioner is executed by the processor.
10. A storage medium, wherein a control program of an air conditioner is stored on the storage medium, and the control program of the air conditioner, when executed by a processor, implements the control method of an air conditioner according to any one of claims 1 to 7.
CN202210483444.XA 2022-04-29 2022-04-29 Air conditioner control method and device, air conditioner and storage medium Pending CN117006556A (en)

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CN102338430A (en) * 2010-07-20 2012-02-01 乐金电子(天津)电器有限公司 Air conditioner capable of storing energy
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