CN110966680A - Air conditioner and control method for air conditioner - Google Patents
Air conditioner and control method for air conditioner Download PDFInfo
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- CN110966680A CN110966680A CN201811140505.2A CN201811140505A CN110966680A CN 110966680 A CN110966680 A CN 110966680A CN 201811140505 A CN201811140505 A CN 201811140505A CN 110966680 A CN110966680 A CN 110966680A
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- air conditioner
- heat exchanger
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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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
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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
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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)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (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, the indoor set includes casing, indoor heat exchanger and water collector, the water collector is arranged in indoor heat exchanger below still includes: the detection device is used for detecting user information in the environment where the air conditioner is located; and the control device is used for controlling the operation of the air conditioner according to the user information. The air conditioner of the invention controls the self-cleaning working mode of the air conditioner according to the detected user information in the environment, improves the comfort level of the user and improves the intellectualization of the air conditioner.
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's filth stifled condition is more and more serious, 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. At present, self-cleaning of an air conditioner is realized by a method of firstly condensing and increasing humidity and then frosting, pollutants on a finned tube of a heat exchanger are peeled off by virtue of expansion force in the process of frosting and melting of water in air/icing and melting of ice, the air conditioner heats after cooling, and the indoor temperature is influenced, so that the use comfort of a user is influenced.
Disclosure of Invention
The embodiment of the invention provides an air conditioner and a control method for the air conditioner, which are used for detecting user information in the environment where the air conditioner is located and determining a self-cleaning working mode according to the user information, so that the use comfort of a user is improved while self-cleaning is realized, and the intellectualization of the air conditioner is improved. 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 is arranged in indoor heat exchanger below still includes: the detection device is used for detecting user information in the environment where the air conditioner is located; and the control device is used for controlling the operation of the air conditioner according to the user information.
Optionally, in the self-cleaning mode in which the air conditioner is controlled, the control device is configured to: and when the detection device detects that a user exists in the environment where the air conditioner is located, controlling the air conditioner to carry out quick self-cleaning.
Optionally, the controlling means controlling the air conditioner to perform quick self-cleaning includes: controlling the indoor heat exchanger to refrigerate in a first set time period, and entering a frosting stage; controlling the indoor heat exchanger to heat in a second set time period, and entering a defrosting stage; the sum of the first set period of time and the second set period of time is less than or equal to 3 minutes.
Optionally, in the self-cleaning mode in which the air conditioner is controlled, the control device is configured to: and when the detection device detects that no user exists in the environment where the air conditioner is located, controlling the air conditioner to carry out conventional self-cleaning.
Optionally, the controlling means controlling the air conditioner to perform the normal self-cleaning includes: controlling the indoor heat exchanger to refrigerate in a third set time period, and entering a frosting stage; controlling the indoor heat exchanger to heat in a fourth set time period, and entering a defrosting stage; the sum of the third set period of time and the fourth set period of time is greater than or equal to 5 minutes.
Optionally, the detection device is an infrared detection device.
Optionally, the controlling means controls the air conditioner to perform quick self-cleaning further includes: the air deflector is controlled to face upwards so as to avoid uncomfortable use experience caused by the fact that air is supplied by the air conditioner and blown directly to a user when people exist in the environment; the first set time period is controlled to be the same as the second set time period, after the refrigeration frosting stage is finished, the four-way valve is reversed, and a high-temperature refrigerant of the compressor is introduced into the indoor heat exchanger for defrosting, so that the refrigeration frosting time is the same as the heating defrosting time, and the environment temperature is prevented from being changed greatly; after the defrosting stage is finished, controlling an indoor heat exchanger of the air conditioner to stop heating, controlling the rotating speed of a fan of the air conditioner to be increased, increasing the air volume, and blowing defrosting water down from the surface of the heat exchanger; and controlling the indoor heat exchanger to refrigerate, and balancing the indoor temperature rise caused by self-cleaning.
According to a second aspect of the present invention, there is provided a control method for an air conditioner, the method comprising: detecting user information in the environment where the air conditioner is located; and controlling the air conditioner to operate according to the user information.
Optionally, in the self-cleaning mode controlled by the air conditioner, when the detection device detects that a user exists in the environment where the air conditioner is located, the air conditioner is controlled to perform quick self-cleaning.
Optionally, controlling the air conditioner to perform quick self-cleaning comprises:
controlling the indoor heat exchanger to refrigerate in a first set time period, and entering a frosting stage;
controlling the indoor heat exchanger to heat in a second set time period, and entering a defrosting stage;
the sum of the first set period of time and the second set period of time is less than or equal to 3 minutes.
Optionally, in the self-cleaning mode controlled by the air conditioner, when the detection device detects that no user exists in the environment where the air conditioner is located, the air conditioner is controlled to perform normal self-cleaning.
Optionally, controlling the air conditioner to perform the conventional self-cleaning includes: controlling the indoor heat exchanger to refrigerate in a third set time period, and entering a frosting stage; controlling the indoor heat exchanger to heat in a fourth set time period, and entering a defrosting stage; the sum of the third set period of time and the fourth set period of time is greater than or equal to 5 minutes.
According to the air conditioner provided by the embodiment of the invention, the self-cleaning working mode of the air conditioner is controlled according to the detected user information in the environment, the use comfort level of a user is improved, and the intellectualization of the air conditioner 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. 2E 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; 20. cleaning the brush; 21. a brush rod; 22. a transmission mechanism; 23. a drive motor; 24. rotating the motor; 30. a detection device; 40. and a control device.
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 2E are schematic structural views illustrating an air conditioner of the present invention according to an exemplary embodiment. As shown in fig. 1 to 2E, 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, indoor set includes casing 9, indoor heat exchanger 4 and water collector, including preceding water collector 2 and/or back water collector 3, the water collector is arranged in the below of indoor heat exchanger 4 still includes: a detection device 30 for detecting user information in an environment where the air conditioner is located; and the control device 40 is used for controlling the operation of the air conditioner according to the user information.
In the above-mentioned solution, in a self-cleaning mode in which the air conditioner is controlled, the control device is configured to: and when the detection device detects that a user exists in the environment where the air conditioner is located, controlling the air conditioner to carry out quick self-cleaning.
In the above scheme, the controlling means controlling the air conditioner to perform fast self-cleaning includes: controlling the indoor heat exchanger to refrigerate in a first set time period, and entering a frosting stage; controlling the indoor heat exchanger to heat in a second set time period, and entering a defrosting stage; the sum of the first set period of time and the second set period of time is less than or equal to 3 minutes.
In the above-mentioned solution, in a self-cleaning mode in which the air conditioner is controlled, the control device is configured to: and when the detection device detects that no user exists in the environment where the air conditioner is located, controlling the air conditioner to carry out conventional self-cleaning.
In the above solution, the controlling device controlling the air conditioner to perform normal self-cleaning includes: controlling the indoor heat exchanger to refrigerate in a third set time period, and entering a frosting stage; controlling the indoor heat exchanger to heat in a fourth set time period, and entering a defrosting stage; the sum of the third set period of time and the fourth set period of time is greater than or equal to 5 minutes.
In the above scheme, the detection device 30 is an infrared detection device. Whether a user exists in the environment is detected through an infrared detection technology, and corresponding air conditioner operation control is carried out.
In the above scheme, the controlling means controlling the air conditioner to perform fast self-cleaning further comprises: the air deflector is controlled to face upwards so as to avoid uncomfortable use experience caused by the fact that air is supplied by the air conditioner and blown directly to a user when people exist in the environment; the first set time period is controlled to be the same as the second set time period, after the refrigeration frosting stage is finished, the four-way valve is reversed, and a high-temperature refrigerant of the compressor is introduced into the indoor heat exchanger for defrosting, so that the refrigeration frosting time is the same as the heating defrosting time, and the environment temperature is prevented from being changed greatly; after the defrosting stage is finished, controlling an indoor heat exchanger of the air conditioner to stop heating, controlling the rotating speed of a fan of the air conditioner to be increased, increasing the air volume, and blowing defrosting water down from the surface of the heat exchanger; the indoor heat exchanger is controlled to refrigerate, the indoor temperature rising caused by self-cleaning is balanced, and the influence on the experience and the feeling of temperature change caused to a user when the air conditioner is self-cleaned is reduced.
In the scheme, the self-cleaning working mode of the air conditioner is determined according to whether the user is in the environment where the air conditioner is located, and the total time for quick self-cleaning is shorter than that for conventional self-cleaning, so that when the user is in the environment where the air conditioner is located, self-cleaning is quickly carried out, and the influence on the user is reduced. When carrying out the automatically cleaning under the condition that the user exists, do not adopt the mode of high temperature stoving after the frost ization, but adopt and improve the fan amount of wind and carry out air-dried operation mode, reduce the influence to ambient temperature, promote user and use experience.
Fig. 2A to 2E are schematic structural views illustrating an air conditioner of the present invention according to an exemplary embodiment. As shown in fig. 2A to 2E, an air conditioner according to an embodiment of the present invention further includes: the cleaning brush 20 is arranged between the indoor heat exchanger 4 and the shell 9 and transversely arranged along the indoor heat exchanger 4; the transmission mechanisms 22 are arranged on two sides of the indoor heat exchanger 4, the cleaning brush 20 is connected with the transmission mechanisms 22 through a brush rod, and a part of the transmission mechanisms 22 has the same profile as the side section of the indoor heat exchanger 4; a transmission motor 23 coupled to the transmission mechanism 22, wherein the transmission mechanism 22 is driven to move along the side section profile of the indoor heat exchanger 4 under the condition that the transmission motor 23 is operated; and the rotating motor 24 is connected with the brush rod 21 through a shaft and is used for driving the brush rod 21 to rotate.
In the above solution, the control device 40 is further configured to control the operation of the driving motor and the rotating motor.
In the above scheme, the transmission mechanism 22 is a transmission belt or a transmission chain, and the transmission motor 23 drives the transmission mechanism to rotate, so as to drive the brush rod 21 to move along the profile of the indoor heat exchanger 4, and the cleaning brush 20 cleans the fins of the indoor heat exchanger 4.
In the foregoing solution, as an example, the indoor heat exchanger 4 includes two unconnected partitions, the two partitions are a heating partition 41 and a cooling partition 42, respectively, the refrigerant pipeline includes a heating pipeline 420 and a cooling pipeline 410, the heating pipeline 420 communicates with the compressor 14 and the heating partition 42 through a first electromagnetic valve 421, and the cooling pipeline 410 communicates with the outdoor heat exchanger 13 and the cooling partition 41 through a first throttle valve 411.
In the above scheme, the method further comprises: the water collecting tank 1 is communicated with the water receiving tray, and condensed water in the water receiving tray can enter the water collecting tank 1 through a communicating structure; the heating pipeline 420 is arranged at the bottom of the water collecting tank 1 to heat the condensed water in the water collecting tank.
The indoor heat exchanger includes two partitions that are not communicated, the two partitions are respectively a heating partition 41 and a cooling partition 42, the refrigerant pipeline includes a heating pipeline 420 and a cooling pipeline 410, the heating pipeline 420 communicates with the compressor 14 and the heating partition 42 through a first electromagnetic valve 421, the cooling pipeline 410 communicates with the outdoor heat exchanger 13 and the cooling partition 41 through a first throttle valve 411, and the indoor heat exchanger further 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.
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 2E are schematic structural views illustrating an air conditioner of the present invention according to an exemplary embodiment. As shown in fig. 2A to 2E, 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. Further comprising: a second electromagnetic valve 422 connected in parallel to the first electromagnetic valve 421 and communicating the compressor 13 and the refrigerating partition 41; and a second throttle valve 412 connected in parallel to the first throttle valve 411 and communicating the outdoor heat exchanger 4 and the heating sub-area 42.
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 bottom of the water collecting tank 1 is provided with a heating pipeline which 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, namely a quick self-cleaning mode or a conventional self-cleaning mode, a heating subarea works, a first electromagnetic valve is opened, high-temperature and high-pressure refrigerant of a compressor flows through the heating pipeline to reach the heating subarea of an indoor heat exchanger, the heating pipeline heats condensed water in the water collecting tank to form water vapor between heat exchanger finned tubes, when the refrigerating subarea of the indoor heat exchanger is in a refrigerating state, the water vapor is condensed with the finned tubes to form frost which is combined with dust, oil stains and the like on the surfaces of the finned tubes, when the frost is in a certain thickness, the refrigerating subarea of the indoor heat exchanger is switched to be in a refrigerating subarea state to carry out the defrosting, and the defrosting water removes the dust and the stains on the surfaces, the operation of the cleaning brush can be controlled to clean the indoor heat exchanger, and the cleaning device washes the indoor heat exchanger in the cleaning process or after the cleaning process is finished, so that the cleaning effect is improved. 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 the air conditioner as shown in fig. 3 includes: in step S110, detecting user information in an environment where the air conditioner is located; in step S120, the operation of the air conditioner is controlled according to the user information.
In the scheme, the user information in the environment where the air conditioner is located is detected, and when the user exists or is not present, the air conditioner runs according to different modes, so that the intellectualization of the air conditioner is improved.
Fig. 4 is a flowchart illustrating a control method for an air conditioner according to another exemplary embodiment. As shown in fig. 4, in step S121, in the self-cleaning mode controlled by the air conditioner, in step S122, it is determined whether a user is detected, and when the detecting device detects that a user is present in the environment where the air conditioner is located, in step S123, the air conditioner is controlled to perform quick self-cleaning.
In the above scheme, controlling the air conditioner to perform quick self-cleaning includes:
in a first set time period, in step S124, controlling the indoor heat exchanger to refrigerate, and entering a frosting stage;
in a second set time period, in step S125, controlling the indoor heat exchanger to heat, and entering a defrosting stage;
the sum of the first set period of time and the second set period of time is less than or equal to 3 minutes.
In the above scheme, in the self-cleaning mode in which the air conditioner is controlled, when the detection device detects that no user exists in the environment where the air conditioner is located, the air conditioner is controlled to perform conventional self-cleaning.
The air conditioner carries out quick automatically cleaning and also comprises: in step S127, the air deflector is controlled to face upward to avoid uncomfortable user experience caused by the air supply of the air conditioner blowing directly to the user when someone exists in the environment; the first set time period is controlled to be the same as the second set time period, after the refrigeration frosting stage is finished, the four-way valve is reversed, and a high-temperature refrigerant of the compressor is introduced into the indoor heat exchanger for defrosting, so that the refrigeration frosting time is the same as the heating defrosting time, and the environment temperature is prevented from being changed greatly; after the defrosting stage is finished, controlling an indoor heat exchanger of the air conditioner to stop heating, or controlling a four-way valve to reverse in step S126, and recovering the refrigeration of the indoor heat exchanger, and controlling the rotating speed of a fan of the air conditioner to be increased and the air volume to be increased in step S127, so that defrosting water is blown down from the surface of the heat exchanger; in step S128, the indoor heat exchanger is controlled to cool normally, and cool air is output to balance the increase of the indoor temperature caused by self-cleaning.
In the above scheme, controlling the air conditioner to perform conventional self-cleaning includes: controlling the indoor heat exchanger to refrigerate in a third set time period, and entering a frosting stage; controlling the indoor heat exchanger to heat in a fourth set time period, and entering a defrosting stage; the sum of the third set period of time and the fourth set period of time is greater than or equal to 5 minutes.
In the scheme, before the air conditioner performs self-cleaning operation, the detection of a user in the environment of the air conditioner is set, when the user in the environment is detected, the rapid self-cleaning is performed, after the first set time period is frosted, the defrosting is performed in the second set time period, the reversing of the four-way valve is controlled, the high-temperature refrigerant of the outdoor compressor is introduced into the indoor heat exchanger for defrosting, so that the sum of the frosting time and the defrosting time is not more than a certain set value, such as 5 minutes, or the setting can be performed according to the requirements of the user, optionally, the air conditioner is controlled to dry the heat exchanger without using a high-temperature drying method after the defrosting, the rotating speed of a fan is increased, the air volume is increased, the indoor heat exchanger is dried, and the air deflector is controlled to face upwards, so that the direct blowing of the user is avoided, the self-cleaning time is, the self-cleaning is completed under the condition of not influencing the room temperature basically, and the use comfort and the intellectualization of the air conditioner are improved.
According to the scheme, after the defrosting stage is finished, the indoor heat exchanger is air-dried, optionally, the air-drying time is 3 minutes, the indoor heat exchanger of the air conditioner is controlled to refrigerate, so that the temperature rise caused by self-cleaning of the indoor heat exchanger is compensated, the influence on the environment temperature is reduced, and the use comfort level and the intellectualization of the air conditioner are improved.
In the above scheme, the method further comprises: in the self-cleaning process of the air conditioner, the transmission motor and the rotating motor which are associated with the cleaning brush are controlled to operate, or the water pump is controlled to press the cleaning nozzle simultaneously, the cleaning effect is improved in cleaning, the indoor heat exchanger can be cleaned comprehensively to the greatest extent by one-time cleaning, and the cleaning cleanliness is improved.
According to the air conditioner and the control method for the air conditioner, the detection device is arranged to detect the user information, the self-cleaning working mode of the air conditioner is controlled according to the human sensing result, the influence of the self-cleaning process of the air conditioner on the comfort level of a human body/a user is reduced, the use comfort level of the user is improved, and the intellectualization of the air conditioner is improved.
For the related exemplary description of the control method for the air conditioner in the above-mentioned scheme, reference is made to the related exemplary description in the air conditioner in fig. 1 to fig. 2E, which is 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, indoor set includes indoor heat exchanger, its characterized in that still includes:
the detection device is used for detecting user information in the environment where the indoor unit of the air conditioner is located;
and the control device is used for controlling the operation of the air conditioner according to the user information.
2. The air conditioner as claimed in claim 1, wherein in the self-cleaning mode in which the air conditioner is controlled, the control means is configured to:
and when the detection device detects that a user exists in the environment where the air conditioner is located, controlling the air conditioner to carry out quick self-cleaning.
3. The air conditioner according to claim 2, wherein the control means controls the air conditioner to perform the quick self-cleaning includes:
controlling the indoor heat exchanger to refrigerate in a first set time period, and entering a frosting stage;
controlling the indoor heat exchanger to heat in a second set time period, and entering a defrosting stage;
the sum of the first set period of time and the second set period of time is less than or equal to 3 minutes.
4. The air conditioner according to claim 1 or 2, wherein in the self-cleaning mode in which the air conditioner is controlled to perform, the control means is configured to:
and when the detection device detects that no user exists in the environment where the air conditioner is located, controlling the air conditioner to carry out conventional self-cleaning.
5. The air conditioner according to claim 4, wherein the control device controls the air conditioner to perform the normal self-cleaning including:
controlling the indoor heat exchanger to refrigerate in a third set time period, and entering a frosting stage;
controlling the indoor heat exchanger to heat in a fourth set time period, and entering a defrosting stage;
the sum of the third set period of time and the fourth set period of time is greater than or equal to 5 minutes.
6. 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 an indoor heat exchanger, and the method is characterized by comprising the following steps:
detecting user information in the environment where an indoor unit of the air conditioner is located;
and controlling the air conditioner to operate according to the user information.
7. The method as claimed in claim 6, wherein in the air conditioner controlled self-cleaning mode, when the detection device detects the presence of a user in the environment where the air conditioner is located, the air conditioner is controlled to perform rapid self-cleaning.
8. The method as claimed in claim 7, wherein controlling the air conditioner to perform fast self-cleaning comprises:
controlling the indoor heat exchanger to refrigerate in a first set time period, and entering a frosting stage;
controlling the indoor heat exchanger to heat in a second set time period, and entering a defrosting stage;
the sum of the first set period of time and the second set period of time is less than or equal to 3 minutes.
9. The method as claimed in claim 6, 7 or 8, wherein in the self-cleaning mode controlled by the air conditioner, when the detection device detects that no user is present in the environment where the air conditioner is located, the air conditioner is controlled to perform normal self-cleaning.
10. The method as claimed in claim 9, wherein controlling the air conditioner to perform the normal self-cleaning comprises:
controlling the indoor heat exchanger to refrigerate in a third set time period, and entering a frosting stage;
controlling the indoor heat exchanger to heat in a fourth set time period, and entering a defrosting stage;
the sum of the third set period of time and the fourth set period of time is greater than or equal to 5 minutes.
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Effective date of registration: 20210714 Address after: No.1 Gangcheng South Road, Jiangbei District, Chongqing, 400026 Applicant after: CHONGQING HAIER AIR-CONDITIONER Co.,Ltd. Applicant after: QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Applicant after: Haier Zhijia 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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