CN115031360A - Air conditioner refrigerating method, air conditioner, storage medium and device - Google Patents

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

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Publication number
CN115031360A
CN115031360A CN202110253423.4A CN202110253423A CN115031360A CN 115031360 A CN115031360 A CN 115031360A CN 202110253423 A CN202110253423 A CN 202110253423A CN 115031360 A CN115031360 A CN 115031360A
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China
Prior art keywords
temperature
air conditioner
condenser
water pump
preset
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CN202110253423.4A
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Chinese (zh)
Inventor
林军国
路会同
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GD Midea Air Conditioning Equipment Co Ltd
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GD Midea Air Conditioning Equipment Co Ltd
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Priority to CN202110253423.4A priority Critical patent/CN115031360A/en
Priority to PCT/CN2022/075893 priority patent/WO2022188587A1/en
Publication of CN115031360A publication Critical patent/CN115031360A/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
    • 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
    • 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
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/16—Arrangement or mounting thereof
    • 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
    • F24F11/67—Switching between heating and cooling modes
    • 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
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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
    • F24F2110/12—Temperature of the outside air
    • 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

Abstract

The invention discloses an air conditioner refrigerating method, an air conditioner, a storage medium and a device, compared with the prior mode that the side of an outdoor heat exchanger directly exchanges heat with outdoor high-temperature air, because the invention is additionally provided with an indoor energy storage heat exchanger, a water accumulator, a water pump, a condenser and a supercooling pipe, when the air conditioner is in a refrigerating mode, the current refrigerating working condition is determined according to the current environmental temperature, when the current refrigerating working condition is a preset high-temperature refrigerating working condition, the target water pump opening degree is determined according to the condenser temperature and the water temperature of the water accumulator, the water pump is started according to the target water pump opening degree, the cold energy in the indoor energy storage heat exchanger is guided into the water accumulator by the water pump, the supercooling pipe is cooled by the water accumulator so as to refrigerate the air conditioner, thereby the cold energy stored in the indoor energy storage heat exchanger is guided into the water accumulator by the water pump when the current refrigerating working condition is high-temperature refrigerating working condition, the water accumulator cools the refrigerant in the supercooling pipe, so that the refrigerating capacity at high temperature can be improved.

Description

Air conditioner refrigeration method, air conditioner, storage medium and device
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner refrigerating method, an air conditioner, a storage medium and a device.
Background
Under the use scene of board house, because daytime outdoor temperature is higher, the board house is thermal-insulated relatively poor, and the air is not convection current. Therefore, when the board house is subjected to direct sunlight in the daytime, the indoor temperature of the board house is often much higher than the outdoor temperature.
In the prior technical scheme, the outdoor heat exchanger side directly exchanges heat with outdoor high-temperature air, the heat exchange effect is poor, the refrigerating capacity of the whole machine is low, and the use requirement of the outdoor heat exchanger side for high-temperature high-pressure air conditioning system is opposite to the use requirement of a room under high temperature.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
Disclosure of Invention
The invention mainly aims to provide an air conditioner refrigerating method, an air conditioner, a storage medium and a device, and aims to solve the technical problem that in the prior art, the refrigerating capacity is insufficient in a use scene of a board room.
In order to achieve the above object, the present invention provides a refrigeration method for an air conditioner, the refrigeration method for an air conditioner being applied to an air conditioner, the air conditioner comprising: the system comprises an indoor energy storage heat exchanger, a water accumulator, a water pump, a condenser and a supercooling pipe, wherein the indoor energy storage heat exchanger is connected with the water accumulator through the water pump, the supercooling pipe is connected with the condenser, and the supercooling pipe is arranged in a preset area where the water accumulator is located;
the air conditioner refrigerating method comprises the following steps:
when the air conditioner is in a refrigeration mode, acquiring the current environment temperature, and determining the current refrigeration working condition according to the current environment temperature;
when the current refrigeration working condition is a preset high-temperature refrigeration working condition, acquiring the condenser temperature of the condenser and the water temperature of a water accumulator of the water accumulator;
determining a target water pump opening degree according to the condenser temperature and the water temperature of the water accumulator; and
and starting the water pump according to the opening degree of the target water pump, guiding the cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner.
Preferably, the step of collecting the current environment temperature and determining the current refrigeration condition according to the current environment temperature when the air conditioner is in the refrigeration mode specifically includes:
when the air conditioner is in a refrigeration mode, acquiring energy storage information of the indoor energy storage heat exchanger;
judging whether the indoor energy storage heat exchanger is in a preset sufficient energy storage state or not according to the energy storage information; and
and when the indoor energy storage heat exchanger is in a preset sufficient energy storage state, acquiring the current environment temperature, and determining the current refrigeration working condition according to the current environment temperature.
Preferably, when the indoor energy storage heat exchanger is in a preset sufficient energy storage state, the step of collecting the current environment temperature and determining the current refrigeration working condition according to the current environment temperature specifically includes:
when the indoor energy storage heat exchanger is in a preset sufficient energy storage state, acquiring the current environment temperature; and
and judging whether the current environment temperature is greater than a preset first temperature threshold value or not, and determining the current refrigeration working condition according to the judgment result.
Preferably, the step of determining the target water pump opening according to the condenser temperature and the water reservoir temperature specifically comprises:
extracting the temperature of the condenser to obtain the middle temperature of the condenser and the outlet temperature of the condenser;
when the temperature of the middle part of the condenser is greater than a preset second temperature threshold value, determining a condenser temperature difference value according to the temperature of the middle part of the condenser and the temperature of the outlet of the condenser;
when the condenser temperature difference value is smaller than a preset third temperature threshold value, determining a target temperature difference value according to the condenser outlet temperature and the water temperature of the water accumulator; and
and determining the opening degree of the target water pump according to the target temperature difference.
Preferably, the step of determining the target water pump opening degree according to the target temperature difference specifically includes:
judging whether the target temperature difference value is smaller than a preset fourth temperature threshold value or not, and obtaining a first judgment result;
judging whether the target temperature difference value is larger than a preset fifth temperature threshold value or not, and obtaining a second judgment result; and
and determining the target water pump opening according to the first judgment result and the second judgment result.
Preferably, the step of determining the target water pump opening degree according to the first determination result and the second determination result specifically includes:
and when the first judgment result shows that the target temperature difference is smaller than a preset fourth temperature threshold value and the second judgment result shows that the target temperature difference is larger than a preset fifth temperature threshold value, taking a preset first water pump opening as a target water pump opening.
Preferably, the step of determining the target water pump opening degree according to the first determination result and the second determination result specifically includes:
and when the first judgment result shows that the target temperature difference is smaller than a preset fourth temperature threshold value and the second judgment result shows that the target temperature difference is smaller than or equal to a preset fifth temperature threshold value, taking a preset second water pump opening as a target water pump opening.
In addition, to achieve the above object, the present invention also provides an air conditioner including: the air conditioner comprises an indoor energy storage heat exchanger, a water accumulator, a water pump, a condenser and a supercooling pipe, wherein the indoor energy storage heat exchanger is connected with the water accumulator through the water pump, the supercooling pipe is connected with the condenser, the supercooling pipe is arranged in a preset area where the water accumulator is located, the air conditioner further comprises a memory, a processor and an air conditioner refrigeration program which is stored on the memory and can run on the processor, and the air conditioner refrigeration program is configured to realize the steps of the air conditioner refrigeration method.
In addition, to achieve the above object, the present invention further provides a storage medium having an air conditioner cooling program stored thereon, wherein the air conditioner cooling program, when executed by a processor, implements the steps of the air conditioner cooling method as described above.
In addition, in order to achieve the above object, the present invention also provides an air conditioner cooling device, including: the device comprises an acquisition module, a determination module and a control module;
the acquisition module is used for acquiring the current environment temperature when the air conditioner is in a refrigeration mode and determining the current refrigeration working condition according to the current environment temperature;
the acquisition module is used for acquiring the condenser temperature of the condenser and the water temperature of the water accumulator when the current refrigeration working condition is a preset high-temperature refrigeration working condition;
the determining module is used for determining the opening degree of a target water pump according to the temperature of the condenser and the water temperature of the water accumulator;
the control module is used for starting the water pump according to the target water pump opening degree, guiding cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner.
In the invention, the air conditioner refrigeration method is applied to an air conditioner, and the air conditioner comprises the following steps: the system comprises an indoor energy storage heat exchanger, a water accumulator, a water pump, a condenser and a supercooling pipe, wherein the indoor energy storage heat exchanger is connected with the water accumulator through the water pump, the supercooling pipe is connected with the condenser, and the supercooling pipe is arranged in a preset area where the water accumulator is located; the air conditioner refrigerating method comprises the following steps; when the air conditioner is in a refrigeration mode, acquiring the current environment temperature, determining the current refrigeration working condition according to the current environment temperature, acquiring the condenser temperature of the condenser and the water temperature of a water accumulator of the water accumulator when the current refrigeration working condition is a preset high-temperature refrigeration working condition, determining the target water pump opening according to the condenser temperature and the water temperature of the water accumulator, starting the water pump according to the target water pump opening, leading the cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner; compared with the existing mode that the side of the outdoor heat exchanger directly exchanges heat with outdoor high-temperature air, the invention additionally arranges the indoor energy storage heat exchanger, the water accumulator, the water pump, the condenser and the supercooling pipe, so that the cold energy stored by the indoor energy storage heat exchanger can be introduced into the water accumulator through the water pump when the current refrigeration working condition is a high-temperature refrigeration working condition, the refrigerant in the supercooling pipe is cooled by the water accumulator, the refrigeration capacity at high temperature can be further improved, and the defect that the refrigeration capacity is insufficient in the use scene of a board room in the prior art is overcome.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner of a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a first embodiment of the refrigeration method of the air conditioner of the present invention;
FIG. 3 is a schematic view of an air conditioning system according to an embodiment of the cooling method of the air conditioner of the present invention;
FIG. 4 is a schematic diagram of the refrigeration capacity cycle in the energy storage mode according to an embodiment of the refrigeration method of the air conditioner of the present invention;
FIG. 5 is a schematic diagram of the cooling capacity cycle when the water pump is turned on according to an embodiment of the air conditioner cooling method of the present invention;
FIG. 6 is a schematic flow chart of a second embodiment of the refrigeration method of the air conditioner in accordance with the present invention;
FIG. 7 is a schematic flow chart of a refrigeration method for an air conditioner according to a third embodiment of the present invention;
fig. 8 is a block diagram showing the structure of the first embodiment of the refrigerating apparatus of the air conditioner in accordance with the present invention.
The reference numbers illustrate:
Figure BDA0002965760060000041
Figure BDA0002965760060000051
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an air conditioner in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the air conditioner may include: the indoor energy storage heat exchanger 1011, the water storage device 1012, the water pump 1013, the condenser 1014, and the supercooling pipe 1015, and the air conditioner may further include: a processor 1001, such as a Central Processing Unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), and the optional user interface 1003 may further include a standard wired interface and a wireless interface, and the wired interface for the user interface 1003 may be a USB interface in the present invention. The network interface 1004 may optionally include a standard wired interface, a WIreless interface (e.g., a WIreless-FIdelity (WI-FI) interface). The Memory 1005 may be a Random Access Memory (RAM) Memory or a Non-volatile Memory (NVM), such as a disk Memory. The memory 1005 may alternatively be a storage device separate from the processor 1001.
Those skilled in the art will appreciate that the configuration shown in fig. 1 does not constitute a limitation of the air conditioner, and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, identified as one type of computer storage medium, may include an operating system, a network communication module, a user interface module, and an air conditioner cooling program.
In the air conditioner shown in fig. 1, the network interface 1004 is mainly used for connecting a background server and performing data communication with the background server; the user interface 1003 is mainly used for connecting user equipment; the air conditioner calls an air conditioner refrigeration program stored in the memory 1005 through the processor 1001, and executes the air conditioner refrigeration method provided by the embodiment of the invention.
Based on the hardware structure, the embodiment of the refrigeration method of the air conditioner is provided.
Referring to fig. 2, fig. 2 is a schematic flow chart of a first embodiment of a refrigeration method of an air conditioner according to the present invention, and the first embodiment of the refrigeration method of the air conditioner according to the present invention is provided.
In a first embodiment, the air conditioner cooling method is applied to an air conditioner including: the system comprises an indoor energy storage heat exchanger, a water accumulator, a water pump, a condenser and a supercooling pipe, wherein the indoor energy storage heat exchanger is connected with the water accumulator through the water pump, the supercooling pipe is connected with the condenser, and the supercooling pipe is arranged in a preset area where the water accumulator is located;
for easy understanding, referring to fig. 3 for illustration, fig. 3 is a system schematic diagram of an air conditioner, in which 1 is a compressor, 2 is a condenser, 3 is a throttling component, 4 is a first stop valve, 5 is a second stop valve, 6 is an evaporator, 7 is an indoor energy storage heat exchanger, 8 is a water pump, 9 is a water accumulator, and 10 is a supercooling pipe. In this embodiment and other embodiments, the water reservoir may be a water pan, and the indoor energy storage heat exchanger is also referred to as a cold accumulation module.
In the specific implementation, a water accumulator is arranged in the outdoor unit area, a supercooling pipe is arranged in the water accumulator (water of the water accumulator is condensed water of the indoor evaporator), and the temperature of the refrigerant is further reduced through the supercooling pipe after the heat exchange of the condenser, so that the refrigerating capacity is improved. However, under the conditions of high outdoor temperature and high heat load of the condenser, the water temperature of the water accumulator can quickly rise to a high value, and at the moment, the effect of the supercooling pipe is greatly reduced, so that the shortage of refrigerating capacity is caused. This scheme passes through the water pump with the water of water accumulator and goes into indoor cold-storage module, and water reentries the water accumulator after cold-storage module temperature reduces, keeps the water accumulator temperature to keep at lower value, guarantees the effective effect of subcooling pipe to improve high temperature refrigerating output. The water accumulator is provided with the overflow hole, and when the water level of the water accumulator reaches a certain height, the condensed water can be discharged out of the room through the overflow hole, so that the condensed water is prevented from entering the interior of the machine, and the reliability of the whole machine is ensured.
The air conditioner refrigerating method comprises the following steps:
step S10: and when the air conditioner is in a refrigeration mode, acquiring the current ambient temperature, and determining the current refrigeration working condition according to the current ambient temperature.
It should be understood that the main executing body of the present embodiment is the air conditioner, and the present embodiment is not limited thereto.
It is understood that the current ambient temperature may be acquired by receiving sensor information uploaded by a preset sensor, and determining the current ambient temperature according to the sensor information. The preset sensor may be a temperature sensor pre-installed on the air conditioner by the manufacturer of the air conditioner, which is not limited in this embodiment.
It should be understood that determining the current cooling condition according to the current ambient temperature may be looking up the current cooling condition corresponding to the current ambient temperature in a preset condition table. The preset condition table includes a corresponding relationship between the current ambient temperature and the current refrigeration condition, and the corresponding relationship between the current ambient temperature and the current refrigeration condition may be preset by a manufacturer of the air conditioner, which is not limited in this embodiment.
Further, in practical application, if the indoor energy storage heat exchanger is in an insufficient energy storage state, subsequent refrigeration operation is performed, which may result in poor refrigeration effect. In order to overcome the above-mentioned defect, when the air conditioner is in the cooling mode, the current ambient temperature is collected, and the current cooling working condition is determined according to the current ambient temperature, including:
when the air conditioner is in a refrigeration mode, energy storage information of the indoor energy storage heat exchanger is acquired, whether the indoor energy storage heat exchanger is in a preset sufficient energy storage state or not is judged according to the energy storage information, when the indoor energy storage heat exchanger is in the preset sufficient energy storage state, the current environment temperature is acquired, and the current refrigeration working condition is determined according to the current environment temperature.
Step S20: and when the current refrigeration working condition is a preset high-temperature refrigeration working condition, acquiring the condenser temperature of the condenser and the water temperature of the water accumulator.
It should be noted that the preset high-temperature refrigeration condition may be a condition when the outdoor environment temperature is higher and the air conditioner performs a refrigeration operation, which is not limited in this embodiment.
It should be understood that obtaining the condenser temperature of the condenser and the reservoir water temperature of the water reservoir may be obtaining the condenser temperature of the condenser by a sensor pre-installed on the condenser and obtaining the reservoir water temperature of the water reservoir by a sensor pre-installed on the water reservoir. The condenser temperature may include a condenser middle temperature and a condenser outlet temperature, which is not limited in this embodiment.
Step S30: and determining the opening degree of the target water pump according to the temperature of the condenser and the water temperature of the water accumulator.
It can be understood that, the determining of the target water pump opening according to the condenser temperature and the water temperature of the water reservoir may be to use the condenser temperature and the water temperature of the water reservoir as reference information, and search for the target water pump opening corresponding to the reference information in a preset first opening table. The preset first opening table includes a corresponding relationship between the reference information and the target water pump opening, and the corresponding relationship between the reference information and the target water pump opening may be preset by a manufacturer of the air conditioner, which is not limited in this embodiment.
Further, in order to improve accuracy and reliability of a target water pump opening, the determining the target water pump opening according to the condenser temperature and the water temperature of the water reservoir includes:
the method comprises the steps of extracting the temperature of a condenser to obtain the middle temperature of the condenser and the outlet temperature of the condenser, determining a condenser temperature difference value according to the middle temperature of the condenser and the outlet temperature of the condenser when the middle temperature of the condenser is larger than a preset second temperature threshold, determining a target temperature difference value according to the outlet temperature of the condenser and the water temperature of a water accumulator when the condenser temperature difference value is smaller than a preset third temperature threshold, and determining the opening degree of a target water pump according to the target temperature difference value.
Step S40: and starting the water pump according to the opening degree of the target water pump, guiding the cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner.
It should be understood that the indoor energy storage heat exchanger can be used for storing cold, the storage process of the indoor energy storage heat exchanger is shown in fig. 4, fig. 4 is a schematic diagram of cold circulation in the energy storage mode of an embodiment, and the refrigerant can circulate in the circulation loop according to the solid line circulation route in fig. 4. After the air conditioner enters the energy storage mode, the second stop valve 5 is controlled to be opened, the first stop valve 4 is controlled to be closed, at the moment, the refrigerant flows out of the compressor 1, flows into the condenser 2, exchanges heat once in the condenser 2, flows into the indoor energy storage heat exchanger 7 through the second stop valve 5, exchanges heat, and then enters the evaporator 6, so that part of cold energy can be stored in the indoor energy storage heat exchanger 7.
In a specific implementation, fig. 5 is a schematic diagram of a refrigeration cycle when the water pump is turned on, in which the refrigerant may circulate in the circulation loop according to a solid-line circulation route in fig. 5, and the water may circulate in the circulation loop according to a dashed-line circulation route in fig. 5. At this moment, the refrigerant flows out of the compressor 1 and flows into the condenser 2, after primary heat exchange is carried out in the condenser 2, the refrigerant enters the supercooling pipe 10, the refrigerant continuously exchanges heat in the supercooling pipe 10, after the water pump 8 is started up by the air conditioner, the cold energy released by the indoor energy storage heat exchanger 7 can enter the water accumulator 9 through the water pump 8, the water accumulator 9 cools the supercooling pipe 10 according to the cold energy released by the indoor energy storage heat exchanger 7, further heat exchange is carried out on the refrigerant in the supercooling pipe 10, and finally, the refrigerant after heat exchange enters the evaporator 6 through the first stop valve 4 and the second stop valve 5 to be refrigerated, so that the purpose of improving the refrigerating capacity at high temperature is achieved.
In a first embodiment, an air conditioner cooling method is applied to an air conditioner including: the system comprises an indoor energy storage heat exchanger, a water accumulator, a water pump, a condenser and a supercooling pipe, wherein the indoor energy storage heat exchanger is connected with the water accumulator through the water pump, the supercooling pipe is connected with the condenser, and the supercooling pipe is arranged in a preset area where the water accumulator is located; the air conditioner refrigerating method comprises the following steps; when the air conditioner is in a refrigeration mode, acquiring the current environment temperature, determining the current refrigeration working condition according to the current environment temperature, acquiring the condenser temperature of a condenser and the water temperature of a water accumulator of the water accumulator when the current refrigeration working condition is a preset high-temperature refrigeration working condition, determining the target water pump opening according to the condenser temperature and the water temperature of the water accumulator, starting the water pump according to the target water pump opening, leading the cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner; compared with the existing mode that the side of the outdoor heat exchanger directly exchanges heat with outdoor high-temperature air, the invention additionally arranges the indoor energy storage heat exchanger, the water accumulator, the water pump, the condenser and the supercooling pipe, so that the cold energy stored by the indoor energy storage heat exchanger can be introduced into the water accumulator through the water pump when the current refrigeration working condition is a high-temperature refrigeration working condition, the refrigerant in the supercooling pipe is cooled by the water accumulator, the refrigeration capacity at high temperature can be further improved, and the defect that the refrigeration capacity is insufficient in the use scene of a board room in the prior art is overcome.
Referring to fig. 6, fig. 6 is a schematic flow chart of a second embodiment of the refrigeration method of the air conditioner according to the present invention, and the second embodiment of the refrigeration method of the air conditioner according to the present invention is proposed based on the first embodiment shown in fig. 2.
In the second embodiment, the step S10 includes:
step S101: and when the air conditioner is in a refrigeration mode, acquiring energy storage information of the indoor energy storage heat exchanger.
The energy storage information may be information such as a cold storage amount and a cold storage temperature of the indoor energy storage heat exchanger, which is not limited in this embodiment.
It should be understood that the acquiring of the energy storage information of the indoor energy storage heat exchanger may be acquiring the energy storage information of the indoor energy storage heat exchanger through a sensor pre-installed in the indoor energy storage heat exchanger. The sensor pre-installed in the indoor energy storage heat exchanger may be pre-set by a manufacturer of the air conditioner, which is not limited in this embodiment.
Step S102: and judging whether the indoor energy storage heat exchanger is in a preset sufficient energy storage state or not according to the energy storage information.
It should be understood that, judging whether the indoor energy storage heat exchanger is in the preset sufficient energy storage state according to the energy storage information may be judging whether the cold storage amount of the indoor energy storage heat exchanger is greater than a preset cold storage amount threshold value, and when the cold storage amount of the indoor energy storage heat exchanger is greater than the preset cold storage amount threshold value, judging that the indoor energy storage heat exchanger is in the preset sufficient energy storage state. The preset cold accumulation threshold may be preset by a manufacturer of the air conditioner, which is not limited in this embodiment.
And judging whether the indoor energy storage heat exchanger is in the preset sufficient energy storage state or not according to the energy storage information, namely judging whether the cold accumulation temperature of the indoor energy storage heat exchanger is smaller than a preset cold accumulation temperature threshold value or not, and judging that the indoor energy storage heat exchanger is in the preset sufficient energy storage state when the cold accumulation temperature of the indoor energy storage heat exchanger is smaller than the preset cold accumulation temperature threshold value. The preset cold storage temperature threshold may be preset by a manufacturer of the air conditioner, which is not limited in this embodiment.
It can be understood that when the indoor energy storage heat exchanger is not in the preset sufficient energy storage state, the water pump is turned off, and the air conditioner operates according to the conventional refrigeration mode.
Step S103: and when the indoor energy storage heat exchanger is in a preset sufficient energy storage state, acquiring the current environment temperature, and determining the current refrigeration working condition according to the current environment temperature.
It should be understood that collecting the current ambient temperature may be receiving sensor information uploaded by a preset sensor, and determining the current ambient temperature according to the sensor information. The preset sensor may be a temperature sensor pre-installed on the air conditioner by the manufacturer of the air conditioner, which is not limited in this embodiment. In this and other embodiments, T 1 Representing the current ambient temperature.
It is understood that the determination of the current cooling operating condition according to the current ambient temperature may be to look up the current cooling operating condition corresponding to the current ambient temperature in a preset operating condition table. The preset condition table includes a corresponding relationship between the current ambient temperature and the current refrigeration condition, and the corresponding relationship between the current ambient temperature and the current refrigeration condition may be preset by a manufacturer of the air conditioner, which is not limited in this embodiment.
Further, in order to simplify the step of determining the refrigeration condition and improve the reliability of the detection result of the refrigeration condition, step S103 includes:
when the indoor energy storage heat exchanger is in a preset sufficient energy storage state, acquiring the current environment temperature;
and judging whether the current environment temperature is greater than a preset first temperature threshold value or not, and determining the current refrigeration working condition according to a judgment result.
It should be noted that the preset first temperature threshold may be preset by the manufacturer of the air conditioner, and in this embodiment and other embodiments, C is used 1 Indicating a preset first temperature threshold.
It should be understood that the determination of the current cooling condition according to the determination result may be that the air conditioner is determined to be in the preset high-temperature cooling condition when the current ambient temperature is greater than the preset first temperature threshold.
It can be understood that when the current ambient temperature is less than or equal to the preset first temperature threshold, the water pump is turned off, and the air conditioner operates in the normal cooling mode.
In particular implementations, e.g., at T 1 ≤C 1 When the air conditioner works, the water pump is kept closed, and the air conditioner operates according to a conventional refrigeration mode; at T 1 >C 1 When the temperature of the external environment is higher, the air conditioner is in a high-temperature refrigeration working condition.
In a second embodiment, the method comprises the steps of acquiring energy storage information of an indoor energy storage heat exchanger when an air conditioner is in a refrigeration mode, judging whether the indoor energy storage heat exchanger is in a preset sufficient energy storage state or not according to the energy storage information, acquiring current environment temperature when the indoor energy storage heat exchanger is in the preset sufficient energy storage state, and determining a current refrigeration working condition according to the current environment temperature; in the embodiment, before the current refrigeration working condition of the air conditioner is determined, whether the indoor energy storage heat exchanger is in the preset sufficient energy storage state or not can be judged firstly, so that the air conditioner can be prevented from being in the insufficient energy storage state at the indoor energy storage heat exchanger, subsequent refrigeration operation is carried out, and the reliability of the air conditioner is improved.
In the second embodiment, the step S30 includes:
step S301: and extracting the temperature of the condenser to obtain the middle temperature of the condenser and the outlet temperature of the condenser.
It should be noted that the condenser middle temperature can be the refrigerator temperature at the condenser middle, and the condenser outlet temperature can be the refrigerator temperature at the condenser outlet, in this embodiment and other embodiments, with T 2 Denotes the condenser mid-temperature in T O Representing the condenser outlet temperature.
It should be understood that extracting the condenser temperature, obtaining the condenser middle temperature and the condenser outlet temperature may be performing identifier extraction on the condenser temperature, obtaining an information identifier, and determining the condenser middle temperature and the condenser outlet temperature according to the information identifier. The information identifier may be an identifier used to represent an information identity, which is not limited in this embodiment.
Step S302: and when the temperature of the middle part of the condenser is greater than a preset second temperature threshold value, determining the temperature difference value of the condenser according to the temperature of the middle part of the condenser and the temperature of the outlet of the condenser.
It should be noted that the preset second temperature threshold may be preset by the manufacturer of the air conditioner, and in this embodiment and other embodiments, C is used 2 Indicating a preset second temperature threshold.
In particular implementations, e.g., at T 2 ≤C 2 When the air conditioner works, although the temperature of the external environment is high, the temperature of the middle part of the condenser is low, and the heat exchange quantity of the condenser can meet the system requirement, so that the water pump can be kept closed, and the air conditioner can normally run; at T 2 >C 2 When the temperature of the middle part of the condenser is higher, the heat exchange quantity of the condenser can not meet the system requirement, and at the moment, the temperature T of the middle part of the condenser needs to be further judged 2 And the outlet temperature T of the condenser O Of (c) is used.
It should be appreciated that determining the condenser temperature difference based on the condenser mid-temperature and the condenser outlet temperature may be subtracting the condenser outlet temperature from the condenser mid-temperature to obtain the condenser temperature difference.
Step S303: and when the condenser temperature difference value is smaller than a preset third temperature threshold value, determining a target temperature difference value according to the condenser outlet temperature and the water temperature of the water accumulator.
It should be noted that the preset third temperature threshold may be preset by the manufacturer of the air conditioner, and in this embodiment and other embodiments, C is used 3 Indicating a preset third temperature threshold.
In particular implementations, e.g., at T 3 -T O ≥C 3 When the temperature of the middle part of the condenser is higher, but the supercooling degree of a refrigerant at the outlet of the condenser is higher, so that the refrigerating capacity of the system can be kept at a higher value, at the moment, the water pump is kept closed, and the air conditioner is normally operated; at T 3 -T O <C 3 In the process, the outlet temperature of the condenser and the middle temperature of the condenser are both at a higher point, the supercooling degree of the outlet of the condenser is insufficient, the refrigerating capacity of the system is reduced, and at the moment, the outlet temperature T of the condenser needs to be further judged O Water temperature T of water storage device W The size of (2).
It will be appreciated that determining the target temperature difference based on the condenser outlet temperature and the accumulator water temperature may be subtracting the accumulator water temperature from the condenser outlet temperature to obtain the target temperature difference.
Step S304: and determining the opening degree of the target water pump according to the target temperature difference.
It should be understood that determining the target water pump opening degree according to the target temperature difference value may be searching a preset opening degree table for the target water pump opening degree corresponding to the target temperature difference value. The preset second opening table includes a corresponding relationship between the target temperature difference and the target water pump opening, and the corresponding relationship between the target temperature difference and the target water pump opening may be preset by a manufacturer of the air conditioner, which is not limited in this embodiment.
Further, in order to simplify the determination process of the target water pump opening and improve the processing efficiency, the determining the target water pump opening according to the target temperature difference includes:
judging whether the target temperature difference is smaller than a preset fourth temperature threshold value or not, obtaining a first judgment result, judging whether the target temperature difference is larger than a preset fifth temperature threshold value or not, obtaining a second judgment result, and determining the opening degree of the target water pump according to the first judgment result and the second judgment result; since the target water pump opening is determined by two numerical comparisons in the present embodiment.
In a second embodiment, the method comprises the steps of extracting the temperature of a condenser to obtain the middle temperature of the condenser and the outlet temperature of the condenser, determining a condenser temperature difference value according to the middle temperature of the condenser and the outlet temperature of the condenser when the middle temperature of the condenser is greater than a preset second temperature threshold, determining a target temperature difference value according to the outlet temperature of the condenser and the water temperature of a water accumulator when the condenser temperature difference value is less than a preset third temperature threshold, and determining the opening degree of a target water pump according to the target temperature difference value; because in this embodiment, confirm target water pump aperture through condenser middle part temperature, condenser outlet temperature and water accumulator water temperature to can improve the accuracy and the reliability of target water pump aperture.
Referring to fig. 7, fig. 7 is a schematic flow chart of a third embodiment of the refrigeration method of the air conditioner according to the present invention, and the third embodiment of the refrigeration method of the air conditioner according to the present invention is proposed based on the second embodiment shown in fig. 6.
In a third embodiment, the step S304 includes:
step S3041: and judging whether the target temperature difference value is smaller than a preset fourth temperature threshold value or not, and obtaining a first judgment result.
It should be noted that the preset fourth temperature threshold may be preset by the manufacturer of the air conditioner, and in this embodiment and other embodiments, C is used 4 Indicating a preset fourth temperature threshold.
In particular implementations, e.g., at T O -T W ≥C 4 When the temperature difference between the cold outlet temperature and the water temperature is large, the supercooling pipe can be well cooled, at the moment, the water pump can be turned off, and the air conditioner can normally run; at T O -T W <C 4 According to T O And T W The difference value of (2) determines the opening of the water pump.
Step S3042: and judging whether the target temperature difference value is larger than a preset fifth temperature threshold value or not, and obtaining a second judgment result.
It should be noted that the preset fifth temperature threshold may be preset by the manufacturer of the air conditioner, and in this embodiment and other embodiments, C is used 5 Indicates a preset fifth temperature threshold, C 5 <C 4 。
Step S3043: and determining the target water pump opening according to the first judgment result and the second judgment result.
Further, the determining the target water pump opening degree according to the first determination result and the second determination result includes:
and when the first judgment result is that the target temperature difference value is smaller than a preset fourth temperature threshold value and the second judgment result is that the target temperature difference value is larger than a preset fifth temperature threshold value, taking a preset first water pump opening as a target water pump opening.
It should be noted that the preset first water pump opening may be preset by a manufacturer of the air conditioner, and this embodiment does not limit this.
Further, the determining the target water pump opening degree according to the first determination result and the second determination result includes:
and when the first judgment result shows that the target temperature difference is smaller than a preset fourth temperature threshold value and the second judgment result shows that the target temperature difference is smaller than or equal to a preset fifth temperature threshold value, taking a preset second water pump opening as a target water pump opening.
It should be noted that the preset second water pump opening may be preset by a manufacturer of the air conditioner, where the preset first water pump opening is smaller than the preset second water pump opening, and this embodiment is not limited thereto.
In particular implementations, e.g., at C 5 ≤T O -T W <C 4 When the temperature difference is small, the cold energy of the indoor energy storage heat exchanger is needed to cool the water storage area, and the opening degree of the water pump is a preset first opening degree of the water pump; at T O -T W <C 5 When the temperature of the cold water is close to that of the water in the water storage area, the cooling effect is poor, the opening degree of the water pump needs to be increased to the preset opening degree of the second water pump, and the cooling of the water storage area is accelerated.
In a third embodiment, it is disclosed that whether the target temperature difference is smaller than a preset fourth temperature threshold is judged, a first judgment result is obtained, whether the target temperature difference is larger than a preset fifth temperature threshold is judged, a second judgment result is obtained, and the target water pump opening degree is determined according to the first judgment result and the second judgment result; because the target water pump opening degree is determined through two times of numerical comparison, the determination process of the target water pump opening degree can be simplified, and the processing efficiency is improved.
In addition, an embodiment of the present invention further provides a storage medium, where an air conditioner cooling program is stored on the storage medium, and the air conditioner cooling program, when executed by a processor, implements the steps of the air conditioner cooling method described above.
In addition, referring to fig. 8, an embodiment of the present invention further provides an air conditioner refrigeration apparatus, including: the device comprises an acquisition module 10, an acquisition module 20, a determination module 30 and a control module 40;
the acquisition module 10 is configured to acquire a current ambient temperature when the air conditioner is in a cooling mode, and determine a current cooling condition according to the current ambient temperature.
It is understood that the step of collecting the current ambient temperature may be receiving sensor information uploaded by a preset sensor, and determining the current ambient temperature according to the sensor information. The preset sensor may be a temperature sensor pre-installed on the air conditioner by the manufacturer of the air conditioner, which is not limited in this embodiment.
It should be understood that determining the current cooling condition according to the current ambient temperature may be looking up the current cooling condition corresponding to the current ambient temperature in a preset condition table. The preset condition table includes a corresponding relationship between the current ambient temperature and the current refrigeration condition, and the corresponding relationship between the current ambient temperature and the current refrigeration condition may be preset by a manufacturer of the air conditioner, which is not limited in this embodiment.
Further, in practical application, if the indoor energy storage heat exchanger is in an insufficient energy storage state, subsequent refrigeration operation is performed, which may result in poor refrigeration effect. In order to overcome the above defects, the acquisition module 10 is further configured to acquire energy storage information of the indoor energy storage heat exchanger when the air conditioner is in the refrigeration mode, determine whether the indoor energy storage heat exchanger is in a preset sufficient energy storage state according to the energy storage information, acquire a current ambient temperature when the indoor energy storage heat exchanger is in the preset sufficient energy storage state, and determine a current refrigeration working condition according to the current ambient temperature.
The obtaining module 20 is configured to obtain the condenser temperature of the condenser and the water temperature of the water reservoir when the current refrigeration working condition is a preset high-temperature refrigeration working condition.
It should be noted that the preset high-temperature refrigeration condition may be a condition when the outdoor environment temperature is higher and the air conditioner performs a refrigeration operation, which is not limited in this embodiment.
It should be understood that obtaining the condenser temperature of the condenser and the reservoir water temperature of the water reservoir may be obtaining the condenser temperature of the condenser by a sensor pre-installed on the condenser and obtaining the reservoir water temperature of the water reservoir by a sensor pre-installed on the water reservoir. The condenser temperature may include a condenser middle temperature and a condenser outlet temperature, which is not limited in this embodiment.
The determining module 30 is configured to determine a target water pump opening according to the condenser temperature and the water reservoir temperature.
It can be understood that, the determining of the target water pump opening according to the condenser temperature and the water temperature of the water reservoir may be to use the condenser temperature and the water temperature of the water reservoir as reference information, and search for the target water pump opening corresponding to the reference information in a preset first opening table. The preset first opening table includes a corresponding relationship between the reference information and the target water pump opening, and the corresponding relationship between the reference information and the target water pump opening may be preset by a manufacturer of the air conditioner, which is not limited in this embodiment.
Further, in order to improve the accuracy and reliability of the target water pump opening, the determining module 30 is further configured to extract the condenser temperature to obtain a condenser middle temperature and a condenser outlet temperature, determine a condenser temperature difference according to the condenser middle temperature and the condenser outlet temperature when the condenser middle temperature is greater than a preset second temperature threshold, determine a target temperature difference according to the condenser outlet temperature and the water temperature of the water reservoir when the condenser temperature difference is less than a preset third temperature threshold, and determine the target water pump opening according to the target temperature difference.
And the control module 40 is used for starting the water pump according to the target water pump opening degree, guiding the cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner.
It should be understood that the indoor energy storage heat exchanger can be used for storing cold, the storage process of the indoor energy storage heat exchanger is shown in fig. 4, fig. 4 is a schematic diagram of cold circulation in the energy storage mode of an embodiment, and the refrigerant can circulate in the circulation loop according to the solid line circulation route in fig. 4. After the air conditioner enters the energy storage mode, the second stop valve 5 is controlled to be opened, the first stop valve 4 is controlled to be closed, at the moment, the refrigerant flows out of the compressor 1, flows into the condenser 2, exchanges heat once in the condenser 2, flows into the indoor energy storage heat exchanger 7 through the second stop valve 5, exchanges heat, and then enters the evaporator 6, so that part of cold energy can be stored in the indoor energy storage heat exchanger 7.
In a specific implementation, fig. 5 is a schematic diagram of a refrigeration cycle when the water pump is turned on, in which the refrigerant may circulate in the circulation loop according to a solid-line circulation route in fig. 5, and the water may circulate in the circulation loop according to a dashed-line circulation route in fig. 5. At this time, the refrigerant flows out of the compressor 1 and flows into the condenser 2, after primary heat exchange is performed in the condenser 2, the refrigerant enters the supercooling pipe 10, heat exchange of the refrigerant continues in the supercooling pipe 10, after the water pump 8 is started up by the air conditioner, the cold energy released by the indoor energy storage heat exchanger 7 can enter the water accumulator 9 through the water pump 8, the water accumulator 9 cools the supercooling pipe 10 according to the cold energy released by the indoor energy storage heat exchanger 7, further heat exchange is performed on the refrigerant in the supercooling pipe 10, and finally the refrigerant after heat exchange enters the evaporator 6 through the first stop valve 4 and the second stop valve 5 to be refrigerated, so that the purpose of improving the refrigerating capacity at high temperature is achieved.
In this embodiment, the air conditioner cooling method is applied to an air conditioner including: the system comprises an indoor energy storage heat exchanger, a water accumulator, a water pump, a condenser and a supercooling pipe, wherein the indoor energy storage heat exchanger is connected with the water accumulator through the water pump, the supercooling pipe is connected with the condenser, and the supercooling pipe is arranged in a preset area where the water accumulator is located; the air conditioner refrigerating method comprises the following steps; when the air conditioner is in a refrigeration mode, acquiring the current environment temperature, determining the current refrigeration working condition according to the current environment temperature, acquiring the condenser temperature of the condenser and the water temperature of a water accumulator of the water accumulator when the current refrigeration working condition is a preset high-temperature refrigeration working condition, determining the target water pump opening according to the condenser temperature and the water temperature of the water accumulator, starting the water pump according to the target water pump opening, leading the cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner; compared with the existing mode that the side of the outdoor heat exchanger directly exchanges heat with outdoor high-temperature air, the invention additionally arranges the indoor energy storage heat exchanger, the water accumulator, the water pump, the condenser and the supercooling pipe, so that the cold energy stored by the indoor energy storage heat exchanger can be introduced into the water accumulator through the water pump when the current refrigeration working condition is a high-temperature refrigeration working condition, the refrigerant in the supercooling pipe is cooled by the water accumulator, the refrigeration capacity at high temperature can be further improved, and the defect that the refrigeration capacity is insufficient in the use scene of a board room in the prior art is overcome.
In an embodiment, the collecting module 10 is further configured to obtain energy storage information of the indoor energy storage heat exchanger when the air conditioner is in a refrigeration mode, determine whether the indoor energy storage heat exchanger is in a preset sufficient energy storage state according to the energy storage information, collect a current environment temperature when the indoor energy storage heat exchanger is in the preset sufficient energy storage state, and determine a current refrigeration working condition according to the current environment temperature;
in an embodiment, the acquisition module 10 is further configured to acquire a current ambient temperature when the indoor energy storage heat exchanger is in a preset sufficient energy storage state, determine whether the current ambient temperature is greater than a preset first temperature threshold, and determine a current refrigeration working condition according to a determination result;
in an embodiment, the determining module 30 is further configured to extract the condenser temperature to obtain a condenser middle temperature and a condenser outlet temperature, determine a condenser temperature difference according to the condenser middle temperature and the condenser outlet temperature when the condenser middle temperature is greater than a preset second temperature threshold, determine a target temperature difference according to the condenser outlet temperature and the water temperature of the water reservoir when the condenser temperature difference is less than a preset third temperature threshold, and determine a target water pump opening according to the target temperature difference;
in an embodiment, the determining module 30 is further configured to determine whether the target temperature difference is smaller than a preset fourth temperature threshold, obtain a first determination result, determine whether the target temperature difference is larger than a preset fifth temperature threshold, obtain a second determination result, and determine a target water pump opening according to the first determination result and the second determination result;
in an embodiment, the determining module 30 is further configured to, when the first determination result is that the target temperature difference is smaller than a preset fourth temperature threshold, and the second determination result is that the target temperature difference is greater than a preset fifth temperature threshold, take a preset first water pump opening as a target water pump opening;
in an embodiment, the determining module 30 is further configured to use a preset second water pump opening as the target water pump opening when the first determination result indicates that the target temperature difference is smaller than a preset fourth temperature threshold and the second determination result indicates that the target temperature difference is smaller than or equal to a preset fifth temperature threshold.
Other embodiments or specific implementation manners of the air conditioner refrigerating device according to the present invention may refer to the above method embodiments, and are not described herein again.
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 an … …" does not exclude the presence of other identical elements in the process, method, article, or system in which the element is included.
The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages and 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 words first, second, third, etc. do not denote any order, but rather the words first, second, third, etc. are to be interpreted as names.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention or portions thereof that contribute to the prior art may be embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g., a Read Only Memory (ROM)/Random Access Memory (RAM), a magnetic disk, an optical disk), and includes several instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. A refrigeration method of an air conditioner is characterized in that the refrigeration method of the air conditioner is applied to the air conditioner, and the air conditioner comprises the following steps: the system comprises an indoor energy storage heat exchanger, a water accumulator, a water pump, a condenser and a supercooling pipe, wherein the indoor energy storage heat exchanger is connected with the water accumulator through the water pump, the supercooling pipe is connected with the condenser, and the supercooling pipe is arranged in a preset area where the water accumulator is located;
the air conditioner refrigerating method comprises the following steps:
when the air conditioner is in a refrigeration mode, collecting the current environment temperature, and determining the current refrigeration working condition according to the current environment temperature;
when the current refrigeration working condition is a preset high-temperature refrigeration working condition, acquiring the condenser temperature of the condenser and the water temperature of a water accumulator of the water accumulator;
determining a target water pump opening according to the condenser temperature and the water temperature of the water reservoir; and
and starting the water pump according to the opening degree of the target water pump, guiding the cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner.
2. The method for refrigerating an air conditioner according to claim 1, wherein said step of collecting a current ambient temperature and determining a current refrigerating condition according to the current ambient temperature when the air conditioner is in a refrigerating mode specifically comprises:
when the air conditioner is in a refrigeration mode, acquiring energy storage information of the indoor energy storage heat exchanger;
judging whether the indoor energy storage heat exchanger is in a preset sufficient energy storage state or not according to the energy storage information; and
and when the indoor energy storage heat exchanger is in a preset sufficient energy storage state, acquiring the current environment temperature, and determining the current refrigeration working condition according to the current environment temperature.
3. The air conditioner refrigerating method according to claim 2, wherein the step of collecting the current ambient temperature and determining the current refrigerating condition according to the current ambient temperature when the indoor energy storage heat exchanger is in the preset sufficient energy storage state specifically comprises:
when the indoor energy storage heat exchanger is in a preset sufficient energy storage state, collecting the current ambient temperature; and
and judging whether the current environment temperature is greater than a preset first temperature threshold value or not, and determining the current refrigeration working condition according to a judgment result.
4. The method as claimed in any one of claims 1 to 3, wherein said step of determining a target water pump opening based on said condenser temperature and said accumulator water temperature comprises:
extracting the temperature of the condenser to obtain the middle temperature of the condenser and the outlet temperature of the condenser;
when the temperature of the middle part of the condenser is greater than a preset second temperature threshold value, determining a condenser temperature difference value according to the temperature of the middle part of the condenser and the temperature of the outlet of the condenser;
when the condenser temperature difference value is smaller than a preset third temperature threshold value, determining a target temperature difference value according to the condenser outlet temperature and the water temperature of the water accumulator; and
and determining the opening degree of the target water pump according to the target temperature difference.
5. The air conditioner refrigerating method according to claim 4, wherein the step of determining the target water pump opening degree according to the target temperature difference specifically comprises:
judging whether the target temperature difference value is smaller than a preset fourth temperature threshold value or not, and obtaining a first judgment result;
judging whether the target temperature difference value is larger than a preset fifth temperature threshold value or not, and obtaining a second judgment result; and
and determining the target water pump opening according to the first judgment result and the second judgment result.
6. The air conditioner cooling method according to claim 5, wherein the step of determining the target water pump opening degree according to the first determination result and the second determination result specifically comprises:
and when the first judgment result shows that the target temperature difference is smaller than a preset fourth temperature threshold value and the second judgment result shows that the target temperature difference is larger than a preset fifth temperature threshold value, taking a preset first water pump opening as a target water pump opening.
7. The air conditioner cooling method according to claim 5, wherein the step of determining the target water pump opening degree according to the first determination result and the second determination result specifically comprises:
and when the first judgment result shows that the target temperature difference is smaller than a preset fourth temperature threshold value and the second judgment result shows that the target temperature difference is smaller than or equal to a preset fifth temperature threshold value, taking a preset second water pump opening as a target water pump opening.
8. An air conditioner, characterized in that the air conditioner comprises: indoor energy storage heat exchanger, water accumulator, water pump, condenser and subcooling pipe, indoor energy storage heat exchanger with the water accumulator passes through the water pump is connected, the subcooling pipe with the condenser is connected, the subcooling pipe sets up in the predetermined region that the water accumulator was located, the air conditioner still includes: a memory, a processor, and an air conditioner cooling program stored on the memory and executable on the processor, the air conditioner cooling program when executed by the processor implementing the steps of the air conditioner cooling method as recited in any one of claims 1 to 7.
9. A storage medium having stored thereon an air conditioner cooling program, the air conditioner cooling program when executed by a processor implementing the steps of the air conditioner cooling method as recited in any one of claims 1 to 7.
10. An air conditioner refrigeration unit, characterized in that, the air conditioner refrigeration unit includes: the device comprises an acquisition module, a determination module and a control module;
the acquisition module is used for acquiring the current environment temperature when the air conditioner is in a refrigeration mode and determining the current refrigeration working condition according to the current environment temperature;
the acquisition module is used for acquiring the condenser temperature of the condenser and the water temperature of the water accumulator when the current refrigeration working condition is a preset high-temperature refrigeration working condition;
the determining module is used for determining the opening degree of a target water pump according to the temperature of the condenser and the water temperature of the water accumulator;
the control module is used for starting the water pump according to the target water pump opening degree, guiding cold energy in the indoor energy storage heat exchanger into the water accumulator by the water pump, and cooling the supercooling pipe by the water accumulator so as to refrigerate the air conditioner.
CN202110253423.4A 2021-03-08 2021-03-08 Air conditioner refrigerating method, air conditioner, storage medium and device Pending CN115031360A (en)

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PCT/CN2022/075893 WO2022188587A1 (en) 2021-03-08 2022-02-10 Control method and apparatus for air conditioner, and air conditioner and storage medium

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