CN110906454A - Air conditioner and control method for air conditioner - Google Patents
Air conditioner and control method for air conditioner Download PDFInfo
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- CN110906454A CN110906454A CN201811088792.7A CN201811088792A CN110906454A CN 110906454 A CN110906454 A CN 110906454A CN 201811088792 A CN201811088792 A CN 201811088792A CN 110906454 A CN110906454 A CN 110906454A
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- 238000000034 method Methods 0.000 title claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 169
- 238000010438 heat treatment Methods 0.000 claims abstract description 89
- 238000005192 partition Methods 0.000 claims abstract description 63
- 238000005057 refrigeration Methods 0.000 claims abstract description 60
- 238000004140 cleaning Methods 0.000 claims abstract description 55
- 238000010257 thawing Methods 0.000 claims abstract description 17
- 238000001816 cooling Methods 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000003344 environmental pollutant Substances 0.000 description 9
- 231100000719 pollutant Toxicity 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000000428 dust Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
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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
- F24F11/65—Electronic processing for selecting an operating mode
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/228—Treatment of condensate, e.g. sterilising
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses an air conditioner and a control method for the air conditioner, and belongs to the technical field of household appliances. The air conditioner includes: indoor set and off-premises station, the off-premises station includes compressor and outdoor heat exchanger, and the indoor set includes casing, indoor heat exchanger and water collector, and the water collector setting is in indoor heat exchanger's bottom for hold the comdenstion water, and indoor heat exchanger is including the partition and the refrigeration partition of heating that do not communicate, heats the pipeline and communicates the compressor and heat the partition through first solenoid valve, and the refrigeration pipeline communicates outdoor heat exchanger and refrigeration partition through first throttle valve, still includes: the condensed water in the water receiving tray can enter the water collecting tank through the communicating structure; the heating pipeline is arranged at the bottom of the water collecting tank to heat the condensed water in the water collecting tank. The air conditioner of the invention heats the condensed water by utilizing the heating pipeline of the air conditioner, prepares sufficient water for frosting, improves the frosting and defrosting effects, improves the cleaning effect and improves the air quality.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method for the air conditioner.
Background
Present air quality is relatively poor, and the air conditioner runs for a long time, and air conditioner heat exchanger is more and more serious at dirty stifled condition, and the pollutant is mostly tiny particle and greasy dirt, hardly clears up, can gather pollutants such as dust, greasy dirt on the filter screen of indoor set and heat exchanger finned tube for the air quality of air outlet is relatively poor. The demand of self-cleaning air conditioners is increasing, the user demand is continuously improved, and the cleaning effect and the cleaning efficiency of self-cleaning are pursued. The existing air conditioner self-cleaning method mainly comprises the steps of firstly condensing to increase humidity and then frosting to achieve frosting self-cleaning, pollutants on a finned tube of a heat exchanger are stripped by virtue of expansion force in the frosting and deicing processes of water in air, the self-cleaning method is greatly influenced by the humidity of the indoor environment, when the indoor environment is dry, insufficient water is caused, and frosting and cleaning effects are poor.
Disclosure of Invention
The embodiment of the invention provides an air conditioner and a control method for the air conditioner. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to a first aspect of embodiments of the present invention, there is provided an air conditioner including: indoor set and off-premises station, the off-premises station includes compressor and outdoor heat exchanger, the indoor set includes casing, indoor heat exchanger and water collector, the water collector sets up indoor heat exchanger's bottom is used for holding indoor heat exchanger's comdenstion water, indoor heat exchanger includes two partitions that do not communicate, and two partitions are respectively for heating the subregion and refrigerating the subregion, and the refrigerant pipeline includes heating pipeline and refrigeration pipeline, heating pipeline through first solenoid valve intercommunication compressor with heat the subregion, refrigerating pipeline through first throttle valve intercommunication outdoor heat exchanger with the refrigeration subregion still includes: the water collecting tank is communicated with the water receiving tray, and condensed water in the water receiving tray can enter the water collecting tank through the communicating structure; the heating pipeline is arranged at the bottom of the water collecting tank to heat the condensed water in the water collecting tank.
Optionally, the connection structure is a through hole, the water collecting tank is adjacent to the water receiving tray, and the through hole is formed in an adjacent plate of the water collecting tank and the water receiving tray.
Optionally, the water collecting tank and the bottom of the water pan form a certain angle with the horizontal plane, and the bottom of the water collecting tank is higher than the water pan.
Optionally, the method further comprises: and the filtering device is arranged on the communicating structure and is used for filtering the condensed water which flows from the water receiving tray to the water collecting tank.
Optionally, the method further comprises: belt cleaning device sets up on the casing of indoor heat exchanger top, belt cleaning device includes: the water pump extracts water in the cleaning spraying kettle and sprays the water onto the indoor heat exchanger through the cleaning spraying head.
Optionally, the first throttle valve is an electronic expansion valve.
Optionally, the two zones of the indoor heat exchanger are a cooling zone and a heating zone.
According to a first aspect of embodiments of the present invention, there is provided a control method for an air conditioner including: the outdoor unit comprises a compressor and an outdoor heat exchanger, the indoor unit comprises a shell, an indoor heat exchanger and a water pan, the water pan is arranged at the bottom of the indoor heat exchanger and used for containing condensed water of the indoor heat exchanger, the indoor heat exchanger comprises two partitions which are not communicated, the two partitions are a heating partition and a refrigerating partition respectively, a refrigerant pipeline comprises a heating pipeline and a refrigerating pipeline, the heating pipeline is communicated with the compressor and the heating partition through a first electromagnetic valve, and the refrigerating pipeline is communicated with the outdoor heat exchanger and the refrigerating partition through a first throttle valve, and the method comprises the following steps: receiving a user instruction; controlling the heating subareas of the indoor heat exchanger of the air conditioner to be communicated with the compressor; controlling the compressor to operate, and adjusting the opening degree of the first throttle valve to enable the refrigeration partition of the indoor heat exchanger to be in a refrigeration state, and entering a frosting stage; and controlling the refrigeration subarea to be switched into a heating state, and entering a defrosting stage.
Optionally, in a first set time period, controlling a first electromagnetic valve to communicate the compressor and the heat exchange subarea of the indoor heat exchanger;
controlling the compressor to operate in a second set time period, and adjusting the opening degree of the first throttle valve to enable the refrigeration partition of the indoor heat exchanger to be in a refrigeration state, and entering a frosting stage;
and controlling the refrigeration subarea to be switched into a heating state in a third set time period, and entering a defrosting stage.
Optionally, in an initial operation stage of the air conditioner, controlling a first electromagnetic valve to communicate a compressor and a heat exchange partition of an indoor heat exchanger, simultaneously controlling the compressor to operate, and adjusting the opening degree of a first throttle valve to enable a refrigeration partition of the indoor heat exchanger to be in a refrigeration state, so as to enter a frosting stage;
and after the refrigeration state of the refrigeration subarea of the indoor heat exchanger is controlled to stop, the refrigeration subarea is controlled to be switched into a heating state, and a defrosting stage is started.
According to the air conditioner provided by the embodiment of the invention, the heating pipeline of the air conditioner is utilized to heat the condensed water, so that sufficient moisture is prepared for frosting, the frosting and defrosting effects are improved, the cleaning effect is improved, and the air quality is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view illustrating an air conditioner according to an exemplary embodiment;
FIG. 2A is a schematic diagram of an air conditioner according to another exemplary embodiment;
FIG. 2B is a schematic diagram of an air conditioner according to another exemplary embodiment;
FIG. 2C is a schematic diagram of an air conditioner according to another exemplary embodiment;
FIG. 2D is a schematic diagram of an air conditioner according to another exemplary embodiment;
FIG. 3 is a flowchart illustrating a control method for an air conditioner according to an exemplary embodiment;
fig. 4 is a flowchart illustrating a control method for an air conditioner according to another exemplary embodiment.
Reference numerals:
1. a water collection tank; 2. a front water pan; 3. a rear water pan; 4. an indoor heat exchanger; 41. refrigerating and partitioning; 42. a heating subarea; 410. a refrigeration circuit; 420. a heating pipeline; 411. a first throttle valve; 412. a second throttle valve; 421. a first solenoid valve; 422. a second solenoid valve; 5. a fan; 7. a through hole; 8. a filtration device; 9. a housing; 10. cleaning the spray head; 11. a water pump; 12. cleaning the sprinkling can; 13. an outdoor heat exchanger; 14. a compressor.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus 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, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.
Fig. 1 to 2D are schematic structural views illustrating an air conditioner of the present invention according to an exemplary embodiment. As shown in fig. 1 to 2D, an air conditioner according to an embodiment of the present invention includes: indoor set and off-premises station, the off-premises station includes compressor 14 and outdoor heat exchanger 13, the indoor set includes casing 9, indoor heat exchanger 4 and water collector, the water collector sets up the bottom of indoor heat exchanger is used for holding the comdenstion water of indoor heat exchanger, indoor heat exchanger includes two partitions that do not communicate, and two partitions are respectively for heating partition 41 and refrigeration partition 42, and the refrigerant pipeline is including heating pipeline 420 and refrigeration pipeline 410, heating pipeline 420 through first solenoid valve 421 intercommunication compressor 14 with heat partition 42, refrigeration pipeline 410 through first throttle valve 411 intercommunication outdoor heat exchanger 13 with refrigeration partition 41 still includes: the water collecting tank 1 is communicated with the water receiving tray, such as the front water receiving tray 2, and condensed water in the water receiving tray can enter the water collecting tank 1 through a communicating structure; the heating pipeline 420 is disposed at the bottom of the water collecting tank 1 to heat the condensed water in the water collecting tank 1.
Wherein the water pan can be a front water pan 2 and/or a rear water pan 3.
In the scheme, two partitions of the indoor heat exchanger are independently controlled to perform cooling and/or heating, a heating pipeline is communicated with the heating partitions and the compressor through the first electromagnetic valve, and a high-temperature high-pressure refrigerant of the compressor enters the heating partitions to perform heating; the refrigeration pipeline is communicated with the outdoor heat exchanger and the refrigeration subarea through a first throttle valve, and the refrigeration temperature is adjusted by adjusting the opening degree of the first throttle valve; the air conditioner can realize the zone control, the water collecting tank is heated by utilizing the heat of the heating pipeline, a heating device is not required to be arranged to heat the condensed water entering the water collecting tank from the water tray, and the structure is simplified; in addition, the heating subarea and the refrigerating subarea are independently controlled, and the refrigerating temperature can be compensated through heating in the self-cleaning mode, so that the change of the environmental temperature is balanced, and the influence on the comfort degree of a user is reduced. The heating pipeline is utilized to heat the condensed water in the water collecting tank, sufficient moisture is prepared for the frosting of the heating subareas, the frosting speed and the frosting thickness are improved, the self-cleaning efficiency of the air conditioner is improved, the air quality is improved, and the use comfort of a user is improved.
In the above solution, the first throttle valve 11 is an electronic expansion valve.
In the above scheme, the connection structure is a through hole 7, the water collecting tank 1 is adjacent to the water receiving tray, and the through hole 7 is arranged on an adjacent plate of the water collecting tank 1 and the water receiving tray.
In the above scheme, the through holes 7 can be internally provided with the filtering structures, water in the water receiving tray is filtered to the water collecting tank through the filtering structures in the through holes 7, and clean filtered water is provided for cleaning the heat exchanger finned tubes.
Fig. 2A to 2C are schematic structural views illustrating an air conditioner of the present invention according to an exemplary embodiment. As shown in fig. 2A-2C, in the air conditioner according to an embodiment of the present invention, the water collecting tank 1 and the bottom of the water receiving tray form an angle with a horizontal plane, and the bottom of the water collecting tank 1 is higher than the water receiving tray.
In the scheme, the water receiving tray and the water collecting tank 1 are obliquely arranged, and the bottom of the water collecting tank 1 is higher than the water receiving tray, such as the front water receiving tray 2, so that the water is filtered only when the water in the front water receiving tray 2 reaches the through hole 7 or the height of the filtering structure in the through hole 7, and the filtered water enters the water collecting tank; when the evaporation of water in the water collecting tank 1 is reduced, water in the front water collecting tray 2 enters the water collecting tank 1 through the through hole 7 to supplement water, and the automatic adjustment of the water level in the water collecting tank 1 is realized.
In the above scheme, the method further comprises: and the filtering device 8 is arranged on the communication structure and is used for filtering the condensed water which flows from the water receiving tray to the water collecting tank 1.
In the above scheme, the filtering device 8 is arranged, and the heated water is clean filtered water after filtering, so that the impurities/pollutants in frosting are only pollutants on the surface of the heat exchanger, the quantity of the pollutants on the finned tube of the indoor heat exchanger is reduced, the secondary pollution in cleaning is avoided, and the cleaning effect is improved. And the condensed water can be filtered and used for many times, a self-circulation water environment is formed in the air conditioner, the air conditioner does not need to be disassembled for cleaning or cleaning liquid/water is injected, and the air conditioner is convenient to clean.
In the above scheme, the method further comprises: a cleaning device provided on the casing 9 above the indoor heat exchanger 4, the cleaning device including: the cleaning device comprises a cleaning spray head 10, a cleaning spray can 12 and a water pump 11, wherein the water pump 11 extracts water in the cleaning spray can 12 and sprays the water onto the indoor heat exchanger 4 through the cleaning spray head 10.
In the above scheme, belt cleaning device sets up in the heat exchanger top, sprays the washing to the heat exchanger, when frosting changes the frost and washs the heat exchanger or wash the completion after, sprays the washing through the washing shower nozzle to the heat exchanger finned tube through water pump extraction washing watering can in water or washing liquid, improves the cleaning performance.
In the scheme, the two partitions of the indoor heat exchanger are a refrigerating partition and a heating partition.
As another example, the cooling section 41 communicates with the compressor 14 through the second solenoid valve 422, and the heating section 42 communicates with the outdoor heat exchanger 13 through the second throttle valve 412.
In the above scheme, the two partitions of the indoor heat exchanger are cooling and heating partitions for each other, for example, the cooling partition may be simultaneously communicated with the compressor 14 through the second electromagnetic valve 422, and the heating partition 42 may be communicated with the outdoor heat exchanger 13 through the second throttle valve 412, that is, the second electronic expansion valve and the cooling pipeline 410, and different electromagnetic valves and throttle valves/electronic expansion valves are switched to realize cooling or heating of the heating and cooling partitions at the same time, or respectively cool or heat, which may be used as a normal full-cooling or heating air conditioner, or may be used for respectively cooling and heating in different partitions at different times, and may be switched between cooling and heating functions, so as to realize self-cleaning of different partitions. The air conditioner realizes the functional partition through the setting of pipeline and valve under the condition that the product structure does not increase, realizes the automatically cleaning of air conditioner indoor heat exchanger under the condition that two partitions refrigerate respectively and heat, simple structure, automatically cleaning is efficient, and can reduce the influence of automatically cleaning process to ambient temperature, improves user's use comfort.
In the scheme, the heating pipeline is arranged at the bottom of the water collecting tank 1 and can be arranged at the bottom inside the water collecting tank 1 or the bottom outside the water collecting tank, in a self-cleaning mode, the heating subareas work, the first electromagnetic valve is opened, high-temperature and high-pressure refrigerant of the compressor flows through the heating pipeline to reach the heating subareas of the indoor heat exchanger, the heating pipeline heats condensed water in the water collecting tank, water vapor is formed between the finned tubes of the heat exchanger, when the refrigerating subareas of the indoor heat exchanger are in a refrigerating state, the water vapor and the finned tubes are condensed into frost which is combined with dust, oil stains and the like on the surfaces of the finned tubes, when the frost is frosted to a certain thickness, the refrigerating subareas of the indoor heat exchanger are switched into a heating state to be defrosted, and the defrosted water is used for removing the dust. After the refrigeration subarea is cleaned, the refrigeration subarea and the heating subarea are switched in function, namely a first electromagnetic valve of the original refrigeration subarea is opened, the compressor and the refrigeration subarea are communicated, the original refrigeration subarea is changed into the heating subarea at the moment, an electronic expansion valve of the outdoor heat exchanger communicated with the original heating subarea is opened and is switched into the refrigeration subarea, the frosting and defrosting processes are repeated, the original heating subarea is cleaned, the cleaning of the whole indoor heat exchanger is completed, the two subareas are cleaned in turn by arranging different pipelines communicated with a valve, the structure is simple, and the cleaning is automatically completed.
Fig. 3 is a flowchart illustrating a control method for an air conditioner according to an exemplary embodiment. The control method for an air conditioner as shown in fig. 3, the air conditioner including: the outdoor unit comprises a compressor and an outdoor heat exchanger, the indoor unit comprises a shell, an indoor heat exchanger and a water pan, the water pan is arranged at the bottom of the indoor heat exchanger and used for containing condensed water of the indoor heat exchanger, the indoor heat exchanger comprises two partitions which are not communicated, the two partitions are a heating partition and a refrigerating partition respectively, a refrigerant pipeline comprises a heating pipeline and a refrigerating pipeline, the heating pipeline is communicated with the compressor and the heating partition through a first electromagnetic valve, and the refrigerating pipeline is communicated with the outdoor heat exchanger and the refrigerating partition through a first throttle valve, and the method comprises the following steps: in step S110, a user instruction is received; in step S120, controlling the operation of the compressor, and controlling the heating partitions of the indoor heat exchanger of the air conditioner to communicate with the compressor; in step S130, adjusting an opening degree of the first throttle valve to enable a refrigeration partition of the indoor heat exchanger to be in a refrigeration state, and entering a frosting stage; in step S140, the cooling partition is controlled to be switched to a heating state, and a defrosting stage is performed.
According to the scheme, when a user instruction such as a self-cleaning instruction is received, the compressor is controlled to operate, the heating subarea of the indoor heat exchanger is controlled to work, namely, the first electromagnetic valve which is communicated with the compressor and the heating subarea is controlled to be communicated, so that a heating pipeline arranged at the bottom of the water collecting tank heats condensed water entering a water collecting tank from a water tray, sufficient water vapor is prepared for frosting, the opening degree of an electronic expansion valve which is communicated with the outdoor heat exchanger and the refrigerating subarea of the indoor heat exchanger is adjusted, the refrigerating subarea works in a refrigerating state, so that water vapor evaporated from the water collecting tank meets finned tubes with lower temperature, water is condensed on the surfaces of the finned tubes, and is frosted on the surfaces of the finned tubes along with further reduction of the temperature, and the; and then, controlling the refrigeration subarea to work in a heating state, namely opening a first electromagnetic valve for communicating the refrigeration subarea with the compressor, so that the refrigeration subarea starts to heat to defrost the frosted fins, and the defrosting water removes pollutants such as dust, oil stains and the like on the surface of the heat exchanger to realize self-cleaning of the air conditioner.
In the above scheme, as an example of the working mode, in a first set time period, the first electromagnetic valve is controlled to communicate the compressor and the heat exchange partition of the indoor heat exchanger; controlling the compressor to operate in a second set time period, and adjusting the opening degree of the first throttle valve to enable the refrigeration partition of the indoor heat exchanger to be in a refrigeration state, and entering a frosting stage; and controlling the refrigeration subarea to be switched into a heating state in a third set time period, and entering a defrosting stage.
According to the scheme, the heating subareas work, after the heating pipeline heats the water collecting tank for the first set time, sufficient water vapor is prepared to gather on the surface of the refrigerating subareas of the indoor heat exchanger, at the moment, the refrigerating mode of the refrigerating subareas of the indoor heat exchanger of the air conditioner is started, after the heating pipeline runs for the second set time, the condensation water of the refrigerating subareas on the surface of the heat exchanger is guaranteed to be frosted and is fully combined with pollutants such as dust, stains and the like on the surface of the heat exchanger, then the refrigerating subareas of the indoor heat exchanger are controlled to be switched to the heating mode to run for the third set time, defrosting is carried out, the pollutants on the surface of the heat exchanger are taken away along with the flowing of defrosting water from the surface of the heat exchanger, and self-cleaning of the surface of the heat exchanger is achieved.
As another example of the working mode, in an initial stage of operation of the air conditioner, the compressor is controlled to operate, the first electromagnetic valve is controlled to communicate the compressor with a heat exchange partition of the indoor heat exchanger, and meanwhile, the opening degree of the first throttle valve is adjusted, so that a refrigeration partition of the indoor heat exchanger is in a refrigeration state, and a frosting stage is started; and after the refrigeration state of the refrigeration subarea of the indoor heat exchanger is controlled to stop, the refrigeration subarea is controlled to be switched into a heating state, and a defrosting stage is started.
Among the above-mentioned scheme, under the automatically cleaning mode, heating and frosting stage go on simultaneously to guarantee that moisture accomplishes the frosting, can improve the speed that the automatically cleaning in-process frosted under this mode, accelerate the work efficiency of automatically cleaning mode, do not influence user's normal use, heating and refrigeration frosting are opened simultaneously, utilize to heat and balance cryogenic temperature, reduce the influence to ambient temperature, carry out the automatically cleaning under the condition that the at utmost does not influence user's impression, improve user's use comfort.
Fig. 4 is a flowchart illustrating a control method for an air conditioner according to another exemplary embodiment. A control method for an air conditioner according to another embodiment of the present invention as shown in fig. 4, further includes: in step S150, controlling the heating temperature of the heating section to increase; in step S160, the refrigeration section is controlled to be switched to the refrigeration state so that the refrigeration section condenses water.
In the above scheme, in steps S120-S140, after the indoor heat exchanger is cleaned by frosting and defrosting, the heating power of the heating device is increased to generate a large amount of water vapor, the reversing valve is controlled to reverse, the indoor heat exchanger is cooled, a large amount of water vapor meets the indoor heat exchanger to generate a large amount of condensed water, the indoor heat exchanger is cleaned, a condensed water cleaning stage is realized, the indoor heat exchanger is cleaned for the second time, and the cleaning effect is improved.
According to the air conditioner provided by the embodiment of the invention, the heating device is arranged to heat the condensed water, so that sufficient water is prepared for frosting of the indoor heat exchanger, frosting and defrosting are accelerated, the self-cleaning efficiency is improved, the filtered condensed water is used for cleaning, the cleaning effect is improved, secondary pollution is avoided, and the air quality is improved.
The related exemplary descriptions of the control method for the air conditioner in the above-mentioned scheme refer to the related exemplary descriptions in the air conditioner in fig. 1-2, which are not repeated herein.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. In the embodiments disclosed herein, it should be understood that the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed correspondence or direct correspondence or communication connection between each other may be through some interfaces, indirect correspondence or communication connection of devices or units, and may be in an electric, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
Claims (10)
1. An air conditioner comprising: indoor set and off-premises station, the off-premises station includes compressor and outdoor heat exchanger, the indoor set includes casing, indoor heat exchanger and water collector, the water collector sets up indoor heat exchanger's bottom is used for holding indoor heat exchanger's comdenstion water, a serial communication port, indoor heat exchanger includes two partitions that do not communicate, and two partitions are respectively for heating the subregion and refrigerating the subregion, and the refrigerant pipeline is including heating pipeline and refrigeration pipeline, heating pipeline through first solenoid valve intercommunication compressor with heat the subregion, refrigerating pipeline is through first throttle valve intercommunication outdoor heat exchanger with the refrigeration subregion still includes:
the water collecting tank is communicated with the water receiving tray, and condensed water in the water receiving tray can enter the water collecting tank through the communicating structure;
the heating pipeline is arranged at the bottom of the water collecting tank to heat the condensed water in the water collecting tank.
2. The air conditioner according to claim 1, wherein,
the connecting structure is a through hole, the water collecting tank is adjacent to the water receiving tray, and the through hole is formed in an adjacent plate of the water collecting tank and the water receiving tray.
3. The air conditioner of claim 2, wherein the water collection trough is at an angle to the horizontal with the bottom of the drip tray, the bottom of the water collection trough being higher than the drip tray.
4. The air conditioner according to claim 1, 2 or 3, further comprising:
and the filtering device is arranged on the communicating structure and is used for filtering the condensed water which flows from the water receiving tray to the water collecting tank.
5. The air conditioner according to claim 1, 2 or 3, further comprising:
belt cleaning device sets up on the casing of indoor heat exchanger top, belt cleaning device includes:
the water pump extracts water in the cleaning spraying kettle and sprays the water onto the indoor heat exchanger through the cleaning spraying head.
6. The air conditioner according to claim 1, 2 or 3, wherein the two sections of the indoor heat exchanger are a cooling section and a heating section.
7. The air conditioner according to claim 1, 2 or 3, wherein the first throttle valve is an electronic expansion valve.
8. A control method for an air conditioner, the air conditioner comprising: the outdoor unit comprises a compressor and an outdoor heat exchanger, the indoor unit comprises a shell, an indoor heat exchanger and a water pan, the water pan is arranged at the bottom of the indoor heat exchanger and used for containing condensed water of the indoor heat exchanger, the indoor heat exchanger comprises two partitions which are not communicated, the two partitions are a heating partition and a refrigerating partition respectively, a refrigerant pipeline comprises a heating pipeline and a refrigerating pipeline, the heating pipeline is communicated with the compressor and the heating partition through a first electromagnetic valve, and the refrigerating pipeline is communicated with the outdoor heat exchanger and the refrigerating partition through a first throttle valve, and the method comprises the following steps:
receiving a user instruction;
controlling the compressor to operate, and controlling the heating subareas of the indoor heat exchanger of the air conditioner to be communicated with the compressor;
adjusting the opening degree of the first throttle valve to enable the refrigeration partition of the indoor heat exchanger to be in a refrigeration state, and entering a frosting stage;
and controlling the refrigeration subarea to be switched into a heating state, and entering a defrosting stage.
9. The method of claim 8,
controlling the compressor to operate and controlling a first electromagnetic valve to communicate the compressor and a heat exchange partition of the indoor heat exchanger in a first set time period;
adjusting the opening degree of the first throttle valve in a second set time period to enable the refrigeration partition of the indoor heat exchanger to be in a refrigeration state, and entering a frosting stage;
and controlling the refrigeration subarea to be switched into a heating state in a third set time period, and entering a defrosting stage.
10. The method of claim 8,
controlling the compressor to operate according to the user instruction, and controlling a first electromagnetic valve to communicate the compressor and a heat exchange partition of the indoor heat exchanger; meanwhile, the opening degree of the first throttle valve is adjusted, so that the refrigeration partition of the indoor heat exchanger is in a refrigeration state, and a frosting stage is started;
and after the refrigeration state of the refrigeration subarea of the indoor heat exchanger is controlled to stop, the refrigeration subarea is controlled to be switched into a heating state, and a defrosting stage is started.
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| CN201811088792.7A CN110906454B (en) | 2018-09-18 | 2018-09-18 | Air conditioner and control method for air conditioner |
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| CN110906454B (en) | 2021-07-27 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lei Yongfeng Inventor after: Li Yang Inventor after: Wang Xin Inventor after: Wang Fei Inventor before: Li Yang |
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Effective date of registration: 20210611 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. |
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