CN114245679A - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN114245679A CN114245679A CN202111573501.5A CN202111573501A CN114245679A CN 114245679 A CN114245679 A CN 114245679A CN 202111573501 A CN202111573501 A CN 202111573501A CN 114245679 A CN114245679 A CN 114245679A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 25
- 238000005507 spraying Methods 0.000 claims description 20
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 13
- 238000005057 refrigeration Methods 0.000 claims description 12
- 238000012546 transfer Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000110 cooling liquid Substances 0.000 claims description 3
- 238000005265 energy consumption Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000004146 energy storage Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012983 electrochemical energy storage Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/635—Control systems based on ambient temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20763—Liquid cooling without phase change
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20836—Thermal management, e.g. server temperature control
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- 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
- Y02E60/10—Energy storage using batteries
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- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The application provides an air conditioner and a control method thereof, comprising the following steps: the heat exchange structure is provided with a heat exchange air channel, and outdoor gas can enter the heat exchange air channel to form heat exchange fluid; indoor gas can exchange heat with the heat exchange air duct to adjust indoor temperature. According to the air conditioner and the control method thereof, the energy consumption of the air conditioner can be reduced.
Description
Technical Field
The application belongs to the technical field of motors, and particularly relates to an air conditioner and a control method thereof.
Background
At present, the traditional energy sources are increasingly deficient and the environment is worsened day by day, thus greatly promoting the development of new energy sources. Energy storage is particularly important, wherein the main form of electrochemical energy storage is container energy storage. When the battery charges and discharges, the battery can generate heat, and the inner space of the energy storage container needs to be cooled. The conventional fan cooling system has poor cooling effect, dust, moisture and other gas impurities in the outside air are easily brought into the cabinet, and the container energy storage and the small data machine room need a special air conditioner to control the temperature in a closed battery compartment or a machine room space. The integrated cabinet air conditioner is an integral machine, and can be generally directly installed on a box body or a door body of a container or an energy storage cabinet, and is installed in an embedded mode or a wall-mounted mode. The indoor unit and the outdoor unit are integrated, so that the indoor unit and the outdoor unit have the advantages of convenience in installation and small occupied space.
However, the existing integrated cabinet air conditioner is only a conventional indoor and outdoor integrated machine, a natural cold source cannot be generally applied, a compressor is adopted for refrigeration in the refrigeration aspect, the energy consumption is large, and the energy conservation of an energy storage system or a small data center is not facilitated.
Therefore, how to provide an air conditioner capable of reducing energy consumption of the air conditioner and a control method thereof becomes a problem which needs to be solved by those skilled in the art urgently.
Disclosure of Invention
Therefore, an object of the present invention is to provide an air conditioner and a control method thereof, which can reduce energy consumption of the air conditioner.
In order to solve the above problems, the present application provides an air conditioner including: the heat exchange structure is provided with a heat exchange air channel, and outdoor gas can enter the heat exchange air channel to form heat exchange fluid; indoor gas can exchange heat with the heat exchange air duct to adjust indoor temperature.
The air conditioner further comprises a shell, wherein the heat exchange structure is arranged in the shell and divides the interior of the shell into an outdoor side and an indoor side; the heat exchange air duct is positioned outside the chamber; and/or the shell is also internally provided with a return air duct, and indoor gas can exchange heat with the heat exchange air duct through the return air duct.
Furthermore, the heat exchange structure is provided with a heat dissipation part which is arranged outside the room, and the heat dissipation part and the shell at the corresponding position form a heat exchange air channel; outdoor gas can enter the shell and flow through the heat dissipation part to exchange heat with the heat exchange structure.
Further, the heat exchange structure is further provided with a heat dissipation structure, and the heat dissipation structure is arranged on the indoor side.
Further, the air conditioner also comprises a spraying device; the spraying device is used for spraying cooling liquid to the heat exchange air duct so as to cool the heat exchange air duct.
Furthermore, the heat exchange structure is a partition plate heat exchanger, the partition plate heat exchanger is internally of a hollow structure, at least one air inlet and at least one air outlet are formed in the partition plate heat exchanger, and each air inlet and each air outlet are communicated with the hollow structure to form a heat exchange air channel.
Furthermore, the heat exchange structure is also provided with an air door, and the air door is used for controlling the on-off of the heat exchange air channel.
Further, the air conditioner also comprises an indoor fan; the indoor fan can guide indoor gas to flow through the heat exchange structure so as to exchange heat with the heat exchange air channel;
and/or, the air conditioner also comprises an outdoor fan; the outdoor fan can guide outdoor gas to enter the heat exchange air channel.
Further, the air conditioner also comprises a compressor; the air conditioner also comprises an indoor heat exchanger, and the compressor is connected with the indoor heat exchanger; when the air conditioner further comprises an indoor fan, the indoor fan can guide indoor gas to flow through the indoor heat exchanger to exchange heat with the indoor heat exchanger;
and/or the air conditioner also comprises an outdoor heat exchanger, and the compressor is connected with the outdoor heat exchanger; when the air conditioner further includes an outdoor fan, the outdoor fan can guide outdoor air to flow through the outdoor heat exchanger to exchange heat with the outdoor heat exchanger.
According to still another aspect of the present application, there is provided an air conditioner control method as described above, including the steps of:
detecting an outdoor temperature when the air conditioner is in a cooling mode;
and controlling the operation mode of the refrigeration mode according to the outdoor temperature control.
Further, according to the outdoor temperature control, the operation mode of the refrigeration mode is controlled to comprise the following steps:
when the outdoor temperature is lower than the first preset temperature, controlling the outdoor gas to enter the heat exchange air channel, and simultaneously controlling the indoor gas to exchange heat with the heat exchange air channel; when the air conditioner also comprises a compressor, controlling the compressor to be closed;
when the outdoor temperature is higher than the first preset temperature and lower than the second preset temperature and the air conditioner further comprises a spraying device, controlling outdoor gas to enter the heat exchange air channel, and controlling indoor gas to exchange heat with the heat exchange air channel; and controlling the spray device to be opened; when the air conditioner also comprises a compressor, controlling the compressor to be closed;
when the outdoor temperature is higher than the third preset temperature and lower than the fourth preset temperature, controlling the compressor to be started when the air conditioner further comprises the compressor, the outdoor heat exchanger and the indoor heat exchanger; controlling the spraying device to be started; the gas outside the control chamber can enter the heat exchange air channel to exchange heat with the heat exchange air channel and then exchange heat with the outdoor heat exchanger; meanwhile, the outdoor gas is controlled to exchange heat with the heat exchange air channel and then exchange heat with the indoor heat exchanger;
when the outdoor temperature is higher than the indoor return air temperature, the spraying device is controlled to be closed; when the air conditioner also comprises an outdoor heat exchanger and an indoor heat exchanger of the compressor, the compressor is controlled to be started; when the heat exchange structure is also provided with an air door, the air door is controlled to be closed so as to cut off the heat exchange air channel; the indoor gas is controlled to exchange heat with the indoor heat exchanger, and the outdoor gas is controlled to exchange heat with the outdoor heat exchanger.
Wherein the first preset temperature < the second preset temperature < the third preset temperature < the fourth preset temperature.
According to the air conditioner and the control method thereof, heat exchange is carried out on indoor air through outdoor air, namely the indoor air temperature is adjusted by utilizing natural energy, and the energy consumption of the air conditioner can be effectively reduced. The air conditioner can reduce energy consumption of the air conditioner.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a heat exchange structure according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an air conditioner according to an embodiment of the present application.
The reference numerals are represented as:
1. a heat exchange structure; 11. an air inlet; 12. an air outlet; 13. a heat dissipation structure; 14. a damper; 2. a housing; 21. an indoor return air inlet; 22. an indoor air supply outlet; 3. a spraying device; 31. a spray head; 41. an outdoor fan; 42. an indoor fan; 51. an indoor heat exchanger; 52. an outdoor heat exchanger; 6. an electrical box; 7. a water pan.
Detailed Description
Referring to fig. 1-3 in combination, an air conditioner includes: the heat exchange structure 1 is provided with a heat exchange air channel, and outdoor gas can enter the heat exchange air channel to form heat exchange fluid; indoor gas can exchange heat with the heat exchange air duct to adjust indoor temperature. The energy consumption of the air conditioner can be effectively reduced by exchanging heat of the outdoor air to the indoor air, namely adjusting the temperature of the indoor air by using natural energy, for example, the indoor temperature is reduced by using an outdoor natural cold source when the outdoor temperature is low, or the indoor temperature is improved by using an outdoor natural heat source when the outdoor temperature is high, so that the energy consumption problem of the existing integrated cabinet air conditioner can be effectively solved; the existing integrated cabinet air conditioner has high energy consumption. Air conditioner formula rack air conditioner as an organic whole, the function of natural cold source is introduced to this application integration rack air conditioner, reduces the energy consumption of integration rack air conditioner for the air conditioner is more power-conserving.
The application also discloses some embodiments, the air conditioner further comprises a shell 2, the heat exchange structure 1 is arranged in the shell 2, and the heat exchange structure 1 divides the interior of the shell 2 into an outdoor side and an indoor side; the heat exchange air duct is positioned outside the room. An indoor return air inlet 21 and an indoor air supply outlet 22 are provided on the indoor side of the casing 2. An electric appliance box 6 and a water receiving tray 7 are also arranged in the shell 2.
The application also discloses some embodiments, the heat-radiating part is arranged on the heat-exchanging structure 1, the heat-radiating part is arranged at the outdoor side, and the heat-radiating part and the shell at the corresponding position form a heat-exchanging air channel; outdoor gas can enter the housing 2 and flow through the heat dissipation portion to exchange heat with the heat exchange structure 1.
And a return air duct is also arranged in the shell 2, and indoor gas can exchange heat with the heat exchange air duct through the return air duct. The indoor side of the heat exchange structure 1 may not have the air inlet 11 and the air outlet 12, that is, after the indoor air enters the housing 2, the indoor air flows through the heat exchange structure 1 to directly exchange heat with the heat exchange structure 1. A heat exchange air inlet 11 close to the indoor fan 42 and a heat exchange air outlet 12 close to the indoor heat exchanger 51 may also be arranged on the indoor side of the heat exchange structure 1. Indoor air enters the heat exchange structure 1 through the heat exchange air inlet 11 to exchange heat with the heat exchange air duct and then flows out of the heat exchange air outlet 12, so that indoor temperature is adjusted.
The application also discloses some embodiments, still be provided with heat radiation structure 13 on heat exchange structure 1, heat radiation structure 13 sets up in indoor side. The indoor side of the clapboard heat exchanger is provided with a heat dissipation structure 13, and the heat dissipation structure 13 can be a micro channel, a micro channel and/or a fin, a fin and the like. For example, a plurality of radiating fins form the indoor side radiating surface of the partition plate heat exchanger.
The application also discloses some embodiments, the air conditioner also comprises a spraying device 3; the spraying device 3 is used for spraying cooling liquid to the heat exchange air duct so as to cool the heat exchange air duct. The spraying device 3 is provided with a plurality of spray heads 31 or spray nozzles, and can spray to the formed heat exchange air flue. Further, the air can be sprayed into the heat exchange air duct from the air outlet 12 of the partition plate heat exchanger, so that the air is evaporated and cooled when flowing in the wet air duct. The spray water used by the spray device 3 is relatively clean water without impurities to prevent corrosion from blocking the baffle plate heat exchanger. Compare traditional integration rack air conditioner, this application can realize the unit in the switching of different mode under different climatic environment through utilizing the natural cold source with the baffle heat exchanger to reach energy-conserving purpose. Through the design of a heat exchange air duct of the partition plate heat exchanger of the integrated cabinet air conditioner, the heat exchange is directly carried out by utilizing a natural cold source, and preferably, the spray water is water added with an antifreeze solution; realize evaporating the cooling in the outdoor side of baffle heat exchanger through spray set 3 etc. and realize evaporating refrigeration, the nimble switching of multiple mode of this application adapts to different outside climatic environment to reach energy-conserving effect.
The application also discloses some embodiments, heat transfer structure 1 is the baffle heat exchanger, and the inside hollow structure that is of baffle heat exchanger, and is provided with at least one air intake 11 and at least one air outlet 12 on the baffle heat exchanger, and every air intake 11 and every air outlet 12 all communicate hollow structure and form the heat transfer wind channel. The integrated cabinet air conditioner comprises a shell 2 and a partition plate heat exchanger, wherein the shell 2 is divided into an outdoor side and an indoor side through the partition plate heat exchanger. The outdoor side of the partition plate heat exchanger is provided with a partition plate heat exchanger air inlet 11 and a partition plate heat exchanger air outlet 12; the air inlet 11 of the baffle plate heat exchanger consists of a plurality of baffle plate air inlet channel holes, and the air outlet 12 of the baffle plate heat exchanger consists of a plurality of baffle plate air outlet channel holes in the same way, and the air inlet channel and the air outlet channel are communicated so as to form an air channel. The ventilation of holes or fins can be carried out on the baffle plate heat exchanger; this application baffle heat exchanger and ordinary heat exchanger are different to have:
1. the structure is different, the whole baffle plate heat exchanger is a plate-shaped hollow channel plate, one side of the hollow channel plate is provided with a plurality of air inlets 11 and air outlets 12, the other side of the hollow channel plate is provided with a similar structure or a fin or micro-channel structure,
2. the heat exchange fluids are different, and air exchange heat are arranged on two sides of the heat exchanger; the partition plate heat exchanger is provided with independent air channels for heat exchange of cold air and hot air at two sides respectively.
The application also discloses some embodiments, still be provided with air door 14 on the heat transfer structure 1, air door 14 is used for controlling the break-make in heat transfer wind channel. Baffle assembly heat exchanger still has 11 baffles of baffle air intake and forms air door 14, is provided with pivot isotructure on the air door 14, realizes upset or slip etc. in order to open or close the break-make of air intake 11 in order to control the heat transfer wind channel, this application can be through the switching and the aperture size of motor control baffle heat exchanger's air intake 11 to adjust the heat transfer effect of baffle heat exchanger, when the baffle heat transfer does not need the during operation, can close through closing air intake 11.
The present application also discloses some embodiments, the air conditioner further comprises an indoor fan 42; the indoor fan 42 can guide indoor air to flow through the heat exchange structure 1 to exchange heat with the heat exchange air duct.
The present application also discloses some embodiments, the air conditioner further comprises an outdoor fan 41; the outdoor fan 41 can guide outdoor air into the heat exchange air duct.
The application also discloses some embodiments, the air conditioner further comprises a compressor; the air conditioner also comprises an indoor heat exchanger 51, and the compressor is connected with the indoor heat exchanger 51; when the air conditioner further includes the indoor fan 42, the indoor fan 42 can guide indoor air to flow through the indoor heat exchanger 51 to exchange heat with the indoor heat exchanger 51;
the present application also discloses embodiments in which the air conditioner further includes an outdoor heat exchanger 52, and the compressor is connected to the outdoor heat exchanger 52; when the air conditioner further includes the outdoor fan 41, the outdoor fan 41 can guide outdoor air to flow through the outdoor heat exchanger 52 to exchange heat with the outdoor heat exchanger 52. The indoor side also includes an indoor side heat exchanger and an indoor fan 42; the outdoor side includes an outdoor heat exchanger 52 and an outdoor fan 41; the casing 2 has an indoor air supply outlet 22 and an indoor air return outlet, which are disposed corresponding to the indoor fan 42 and the indoor heat exchanger 51, respectively. Similarly, the surface of the casing 2 near the outdoor side has an outdoor side air inlet 11 and an outdoor side air outlet, which are respectively arranged corresponding to the outdoor fan 41 and the outdoor heat exchanger 52.
Flow of outdoor side gas: air enters the outer fan from the outdoor side air inlet 11, one part of the air enters the partition plate heat exchanger air inlet 11, is discharged from the partition plate heat exchanger air outlet 12 after exchanging heat with the partition plate, is discharged outdoors after passing through the outdoor side heat exchanger, and the other part of the air directly enters the outdoor side heat exchanger and is discharged outdoors.
Flow of indoor side gas: air enters the inner fan from the indoor side air return inlet, enters the indoor side heat exchanger through the indoor side radiating fins of the partition plate heat exchanger, and is sent into the room through the indoor air supply outlet 22.
According to an embodiment of the present application, there is provided an air conditioner control method as described above, including the steps of:
detecting an outdoor temperature when the air conditioner is in a cooling mode;
and controlling the operation mode of the refrigeration mode according to the outdoor temperature control.
The application also discloses some embodiments, controlling the operation mode of the refrigeration mode according to the outdoor temperature control comprises the following steps:
when the outdoor temperature is lower than the first preset temperature, controlling the outdoor gas to enter the heat exchange air channel, and simultaneously controlling the indoor gas to exchange heat with the heat exchange air channel; when the air conditioner also comprises a compressor, controlling the compressor to be closed;
when the outdoor temperature is higher than the first preset temperature and lower than the second preset temperature and the air conditioner further comprises a spraying device 3, controlling outdoor gas to enter the heat exchange air channel, and simultaneously controlling indoor gas to exchange heat with the heat exchange air channel; and controls the spray device 3 to be opened; when the air conditioner also comprises a compressor, controlling the compressor to be closed;
when the outdoor temperature is higher than the third preset temperature and lower than the fourth preset temperature, controlling the compressor to be started when the air conditioner further comprises the compressor, the outdoor heat exchanger 52 and the indoor heat exchanger 51; controlling the spray device 3 to be started; the gas outside the control chamber can enter the heat exchange air channel to exchange heat with the heat exchange air channel and then exchange heat with the outdoor heat exchanger 52; meanwhile, the outdoor gas is controlled to exchange heat with the heat exchange air channel and then exchange heat with the indoor heat exchanger 51;
when the outdoor temperature is higher than the indoor return air temperature, the spraying device 3 is controlled to be closed; and when the air conditioner further comprises a compressor outdoor heat exchanger 52 and an indoor heat exchanger 51, controlling the compressor to be started; when the heat exchange structure 1 is further provided with the air door 14, the air door 14 is controlled to be closed, so that the heat exchange air duct is disconnected; the indoor air is controlled to exchange heat with the indoor heat exchanger 51, and the outdoor air is controlled to exchange heat with the outdoor heat exchanger 52.
Wherein the first preset temperature < the second preset temperature < the third preset temperature < the fourth preset temperature.
1. When the outdoor environment temperature is lower, the indoor and outdoor fans can be directly operated, the compressor is not started, the external cold source is absorbed by the partition plate heat exchanger, and cold air is directly supplied to the inside of the cabinet.
2. When the outdoor environment temperature is higher than a certain temperature, on the basis of the mode 1, the spraying device 3 is started to spray water on the outdoor side of the partition plate heat exchanger, the air is supplied by the external fan to exchange heat with the partition plate heat exchanger, and the air on the indoor side is indirectly cooled by evaporating and cooling the water on the partition plate assembly.
3. When the outdoor temperature is higher and the mode 2 is not enough to provide cold, a mixed mode of working refrigeration by a compressor and auxiliary of a natural cold source is adopted.
4. When the outdoor temperature is very high and the outdoor wet bulb temperature is higher than the indoor return air temperature, the air inlet 11 of the partition plate heat exchanger can be closed to prevent outdoor reverse heating, and the spraying device 3 is closed simultaneously, so that the compressor is used for refrigeration only.
This application reduces mechanical refrigeration's frequency through the switching of above mode, and make full use of nature cold source part or whole replace traditional compressor mechanical refrigeration, and the comprehensive efficiency of unit is high throughout the year, and energy-conserving effectual. It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (11)
1. An air conditioner, comprising: the heat exchange structure (1) is provided with a heat exchange air channel, and outdoor gas can enter the heat exchange air channel to form heat exchange fluid; indoor gas can carry out the heat transfer with the heat transfer wind channel to adjust indoor temperature.
2. The air conditioner according to claim 1, further comprising a casing (2), wherein the heat exchanging structure (1) is provided inside the casing (2), and the heat exchanging structure (1) partitions the inside of the casing (2) into an outdoor side and an indoor side; the heat exchange air duct is positioned outside the chamber;
and/or a return air duct is further arranged in the shell (2), and indoor air can exchange heat with the heat exchange air duct through the return air duct.
3. The air conditioner according to claim 2, wherein a heat dissipation part is arranged on the heat exchange structure (1), the heat dissipation part is arranged outside the outdoor, and the heat dissipation part and the corresponding shell form the heat exchange air duct; outdoor gas can enter the shell (2) and flow through the heat dissipation part to exchange heat with the heat exchange structure (1).
4. The air conditioner according to claim 2, wherein a heat dissipation structure (13) is further disposed on the heat exchange structure (1), and the heat dissipation structure (13) is disposed on the indoor side.
5. The air conditioner according to claim 1, further comprising a shower device (3); and the spraying device (3) is used for spraying cooling liquid to the heat exchange air channel so as to cool the heat exchange air channel.
6. The air conditioner as claimed in claim 1, wherein the heat exchange structure (1) is a partition heat exchanger, the partition heat exchanger is a hollow structure, and the partition heat exchanger is provided with at least one air inlet (11) and at least one air outlet (12), and each air inlet (11) and each air outlet (12) are communicated with the hollow structure to form the heat exchange air duct.
7. The air conditioner as claimed in claim 1, wherein the heat exchange structure (1) is further provided with a damper (14), and the damper (14) is used for controlling the on-off of the heat exchange air duct.
8. The air conditioner as claimed in claim 1, further comprising an indoor fan (42); the indoor fan (42) can guide indoor gas to flow through the heat exchange structure (1) to exchange heat with the heat exchange air duct;
and/or, the air conditioner also comprises an outdoor fan (41); the outdoor fan (41) can guide the outdoor air to enter the heat exchange air duct.
9. The air conditioner as claimed in claim 8, further comprising a compressor; the air conditioner also comprises an indoor heat exchanger (51), and the compressor is connected with the indoor heat exchanger (51); when the air conditioner further comprises an indoor fan (42), the indoor fan (42) can guide indoor gas to flow through the indoor heat exchanger (51) to exchange heat with the indoor heat exchanger (51);
and/or the air conditioner also comprises an outdoor heat exchanger (52), and the compressor is connected with the outdoor heat exchanger (52); when the air conditioner further includes an outdoor fan (41), the outdoor fan (41) is capable of guiding the outdoor air to flow through the outdoor heat exchanger (52) to exchange heat with the outdoor heat exchanger (52).
10. An air conditioner controlling method according to any one of claims 1 to 9, comprising the steps of:
detecting an outdoor temperature when the air conditioner is in a cooling mode;
and controlling the operation mode of the refrigeration mode according to the outdoor temperature control.
11. The air conditioner controlling method as claimed in claim 10, wherein the controlling of the operation mode of the cooling mode according to the outdoor temperature control comprises the steps of:
when the outdoor temperature is lower than a first preset temperature, controlling the outdoor gas to enter the heat exchange air channel, and simultaneously controlling the indoor gas to exchange heat with the heat exchange air channel; when the air conditioner further comprises a compressor, controlling the compressor to be closed;
when the outdoor temperature is higher than a first preset temperature and lower than a second preset temperature and the air conditioner further comprises a spraying device (3), controlling outdoor gas to enter the heat exchange air channel and simultaneously controlling indoor gas to exchange heat with the heat exchange air channel; and controlling the spray device (3) to be opened; when the air conditioner further comprises a compressor, controlling the compressor to be closed;
when the outdoor temperature is higher than a third preset temperature and lower than a fourth preset temperature, when the air conditioner further comprises a compressor, an outdoor heat exchanger (52) and an indoor heat exchanger (51), controlling the compressor to be started; controlling the spraying device (3) to be opened; the outdoor gas can enter the heat exchange air channel to exchange heat with the heat exchange air channel and then exchange heat with the outdoor heat exchanger (52); meanwhile, the outdoor gas is controlled to exchange heat with the heat exchange air channel and then exchange heat with the indoor heat exchanger (51);
when the outdoor temperature is higher than the indoor return air temperature, the spraying device (3) is controlled to be closed; and when the air conditioner further comprises a compressor outdoor heat exchanger (52) and an indoor heat exchanger (51), controlling the compressor to be started; when the heat exchange structure (1) is further provided with an air door (14), the air door (14) is controlled to be closed, so that the heat exchange air duct is disconnected; controlling indoor gas to exchange heat with the indoor heat exchanger (51) and controlling outdoor gas to exchange heat with the outdoor heat exchanger (52);
wherein the first preset temperature < the second preset temperature < the third preset temperature < the fourth preset temperature.
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| CN202111573501.5A CN114245679A (en) | 2021-12-21 | 2021-12-21 | Air conditioner and control method thereof |
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| CN114245679A true CN114245679A (en) | 2022-03-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115218275A (en) * | 2022-07-18 | 2022-10-21 | 珠海格力电器股份有限公司 | Cabinet air conditioner air duct assembly, cabinet air conditioner and control method of cabinet air conditioner air duct assembly |
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Application publication date: 20220325 |