CN108386907B - Wall-hanging air conditioner and its automatically cleaning control method - Google Patents

Wall-hanging air conditioner and its automatically cleaning control method Download PDF

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Publication number
CN108386907B
CN108386907B CN201810020170.4A CN201810020170A CN108386907B CN 108386907 B CN108386907 B CN 108386907B CN 201810020170 A CN201810020170 A CN 201810020170A CN 108386907 B CN108386907 B CN 108386907B
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CN
China
Prior art keywords
air
axial
flow fan
air outlet
indoor
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CN201810020170.4A
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Chinese (zh)
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CN108386907A (en
Inventor
肖克强
李伟
谢琳琳
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
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Priority to CN201810020170.4A priority Critical patent/CN108386907B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0018Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0025Cross-flow or tangential fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0018Indoor units, e.g. fan coil units characterised by fans
    • F24F1/0033Indoor units, e.g. fan coil units characterised by fans having two or more fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41Defrosting; Preventing freezing
    • F24F11/43Defrosting; Preventing freezing of indoor units
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control 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
    • F24F11/77Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/14Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
    • F24F13/1413Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre using more than one tilting member, e.g. with several pivoting blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00Control inputs relating to users or occupants
    • F24F2120/10Occupancy
    • F24F2120/12Position of occupants
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/34Heater, e.g. gas burner, electric air heater
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The present invention provides a kind of wall-hanging air conditioner and its automatically cleaning control method, automatically cleaning control method of the invention, according to the design feature of the air-conditioning with double through-flow blower, in self-cleaning process of refrigerastion, two wind in left and right distinguish carry out frosting.I.e. the first axial-flow fan is first opened, the corresponding heat exchanger elder generation frosting of the second axial-flow fan;Then the first axial-flow fan is turned off, the second axial-flow fan, the at this time corresponding heat exchanger of the first axial-flow fan frosting again are opened.During automatically cleaning of the invention, at most only one air outlet prevents user from feeling cold, improves user experience to reduce the cooling capacity that indoor unit exports in process of refrigerastion.Ambient temperature detection device also detects indoor environment temperature, when environment temperature is too low, opens electric heater unit and carries out auxiliary heating, to improve leaving air temp, user is avoided to feel cold.

Description

Wall-hanging air conditioner and its automatically cleaning control method
Technical field
The present invention relates to air-conditioning technique field, in particular to a kind of wall-hanging air conditioner and its automatically cleaning control method.
Background technique
Existing air conditioner indoor unit, indoor set heat exchanger are set to interior machine interior of shell, therefore clean difficult.But If heat exchanger can not fixed time cleaning, dust can be collected at heat exchanger surface, to influence the heat exchange efficiency of indoor unit.
To solve the above-mentioned problems, there are some wall-hanging air conditioners with self-cleaning function, on the market at present to guarantee Indoor set heat exchanger surface cleaning.Self-cleaning function concrete principle are as follows: control air-conditioning first enters the room mechanism cold mode, indoor The decline of machine heat exchanger temperature, surface meeting frosting, then pause refrigeration, the frosting on indoor set heat exchanger surface can gradually melt, Finally cleaned using defrosting water heat exchanging device surface.
However, since air-conditioning has to enter into indoor unit refrigeration mode, indoor unit can blow out cold during above-mentioned automatically cleaning Wind, so that user feels cold.Especially in winter, indoor mechanism cold can greatly cause user's body-sensing uncomfortable, reduce user Usage experience.
Summary of the invention
In view of the above problems, it proposes on the present invention overcomes the above problem or at least be partially solved in order to provide one kind State the wall-hanging air conditioner and its automatically cleaning control method of problem.
Another object of the present invention is to improve user's usage comfort.
A further object of the present invention is in order to which frosting is uniform.
On the one hand, the present invention provides a kind of automatically cleaning control method of wall-hanging air conditioner, the indoor units of wall-hanging air conditioner The first axial-flow fan and the second axial-flow fan including being set to the left and right sides inside indoor unit, the outer casing bottom of indoor unit open up There are first air outlet and second air outlet opposite with the first axial-flow fan and the second axial-flow fan, the first air outlet and second goes out The first air ducting and the second air ducting are respectively arranged at air port, for adjusting air-out volume and the side of corresponding air outlet To being additionally provided with the first electric heater unit and the second electric heater unit inside indoor unit, be respectively used to the first air outlet and The outlet air air-flow of two air outlets carries out auxiliary heating, and automatically cleaning control method includes: to detect that air-conditioning starts automatically cleaning mode;Control Air-conditioning processed starts indoor mechanism cold, so that heat exchanger for air-conditioner indoor machine frosting;The first axial-flow fan is opened, the second through-flow is closed Fan, while adjusting the first air ducting and opening the first air outlet, it adjusts the second air ducting and closes the second air outlet;First In the period that axial-flow fan is opened, indoor environment temperature is detected;Judge whether indoor environment temperature is less than or equal to default temperature Angle value;If so, opening the first electric heater unit.After waiting the first preset time, the second axial-flow fan is opened, closes the first through-flow Fan, while adjusting the second air ducting and opening the second air outlet, it adjusts the first air ducting and closes the first air outlet;Second In the period that axial-flow fan is opened, indoor environment temperature is detected;Judge whether indoor environment temperature is less than or equal to default temperature Angle value;If so, opening the second electric heater unit;After waiting the second preset time, the second axial-flow fan is closed, adjusts the second wind-guiding Device closes the second air outlet, and control air-conditioning starts indoor unit and stops refrigeration, waits heat exchanger for air-conditioner indoor machine defrost;Wait the After three preset times, terminate air-conditioning automatically cleaning.
It optionally, include: the first through-flow wind of control after the step of opening the first axial-flow fan, closing the second axial-flow fan The revolving speed of fan is less than preset rotation speed;
Optionally, each air ducting includes wind deflector, wherein adjusting the first air ducting opens the first air outlet, is adjusted The step of second air ducting the second air outlet of closing includes: that the wind deflector of the first air ducting of control turns to default position later It sets, so that the first air outlet keeps minimum aperture.
Optionally, each air ducting further includes multiple pendulum leaves, wherein the wind deflector for controlling the first air ducting turns to Predeterminated position, so that after the step of the first air outlet keeps minimum aperture further include: detect indoor position of human body information;Root The pendulum leaf that the first air ducting is adjusted according to position of human body information makes air-out direction avoid position of human body.
It optionally, include: the second through-flow wind of control after the step of opening the second axial-flow fan, closing the first axial-flow fan The revolving speed of fan is less than preset rotation speed.
Optionally, each air ducting includes wind deflector, wherein adjusting the second air ducting opens the second air outlet, is adjusted The step of first air ducting the first air outlet of closing includes: that the wind deflector of the second air ducting of control turns to default position later It sets, so that the second air outlet keeps minimum aperture.
Optionally, each air ducting further includes multiple pendulum leaves, wherein the wind deflector for controlling the second air ducting turns to Predeterminated position, so that after the step of the second air outlet keeps minimum aperture further include: detect indoor position of human body information;Root The pendulum leaf that the second air ducting is adjusted according to position of human body information makes air-out direction avoid position of human body.
Optionally, before controlling the step of air-conditioning starts indoor mechanism cold further include: judge to start in the air-conditioning Before automatically cleaning mode, whether the air conditioner indoor unit is in heating mode;If so, two axial-flow fans of control are persistently opened The 4th preset time is opened, and controls two air ductings and opens the air outlet, by the Residual heat removal inside indoor unit.
Optionally, before controlling the step of air-conditioning starts indoor mechanism cold further include: judge to start in the air-conditioning Before automatically cleaning mode, whether the air conditioner indoor unit is in off-mode;If so, to two axial-flow fans and leading in advance Wind apparatus carries out primary switch operation.
On the other hand, the present invention also provides a kind of wall-hanging air conditioners, comprising: air conditioner indoor unit, wherein the air conditioning chamber Interior machine includes: shell, and bottom has the first air outlet and the second air outlet being set side by side;Indoor set heat exchanger is set to Enclosure interior, and setting is laterally extended along indoor unit;First axial-flow fan and the second axial-flow fan, are set to enclosure interior The left and right sides, first the first air outlet of axial-flow fan face, second the second air outlet of axial-flow fan face;First electric heater unit With the second electric heater unit, it is set to enclosure interior, is respectively used to carry out auxiliary heating to the outlet air air-flow of two air outlets;The One air ducting and the second air ducting are respectively arranged at the first air outlet and the second air outlet, for adjusting corresponding outlet air The air-out volume and air outlet angle of mouth;Wherein each air ducting includes: wind deflector, is laterally extended setting along air outlet, matches It is set to the shaft rotation around indoor unit transverse direction, for adjusting the vertical air-out direction and air-out volume of air outlet;And multi-disc Leaf is put, transversely arranged on the inside of corresponding air outlet, every pendulum leaf can laterally swing along indoor unit, to adjust air outlet Lateral air-out direction;Human body detection device is set on shell, and is located between two air outlets, is configured to detect indoor Position of human body information;And indoor temperature detection device, it is set to surface of shell, is configured to detection indoor environment temperature.
Automatically cleaning control method of the invention, according to the design feature of the air-conditioning with double through-flow blower, self-cleaning In process of refrigerastion, two wind in left and right distinguish carry out frosting.I.e. the first axial-flow fan is first opened, and the second axial-flow fan is corresponding to be changed The frosting of hot device elder generation;Then the first axial-flow fan is turned off, the second axial-flow fan, the at this time corresponding heat exchange of the first axial-flow fan are opened Device frosting again.During automatically cleaning of the invention, at most only one air outlet both ensure that indoor in process of refrigerastion The frosting of machine heat exchanger surface is uniform, improves self-cleaning effect, and can be reduced the cooling capacity that indoor unit exports in process of refrigerastion, prevents Only user feels cold, improves user experience.
Further, automatically cleaning control method of the invention, in self-cleaning process of refrigerastion, control axial-flow fan continues It is at low speed, and the wind deflector for controlling corresponding air ducting turns to the least position of air outlet amount, further to subtract The cooling capacity output of few indoor unit, improves the comfort level of user.Moreover, the human body detection device being arranged on indoor unit can also be real-time Position of human body is detected, air-conditioning adjusts the rotational angle of pendulum leaf according to position of human body, so that the air-out direction of air outlet avoids room Interior user location, to further increase the comfort level of user.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic diagram of the indoor unit of wall-hanging air conditioner according to an embodiment of the invention;
Fig. 2 is the exploded view of the indoor unit of wall-hanging air conditioner according to an embodiment of the invention;
Fig. 3 is the schematic diagram of wall-hanging air conditioner control method according to an embodiment of the invention;
Fig. 4 is the flow chart of wall-hanging air conditioner control method according to an embodiment of the invention.
Specific embodiment
The embodiment of the present invention provides firstly a kind of wall-hanging air conditioner, and Fig. 1 is wall hanging according to an embodiment of the invention The schematic diagram of the indoor unit of formula air-conditioning;Fig. 2 is the exploded view of the indoor unit of wall-hanging air conditioner according to an embodiment of the invention; Fig. 3 is the partial enlarged view of a-quadrant shown in FIG. 1.
As shown in Figure 1 to Figure 3, the air conditioner indoor unit of the embodiment of the present invention includes shell 100, is set in shell 100 Indoor set heat exchanger (not shown), two axial-flow fans 200 in left and right, left and right two air ductings, two electric heater units, human bodies Detection device 400 and indoor temperature detection device.Wherein, wall-hanging air conditioner indoor unit can be connect by pipeline with outdoor unit, Realize that concrete principle is art technology to the refrigeration of indoor environment, heating or dehumidifying using vapor-compression refrigerant cycle system What personnel were noted, without introducing herein.As shown in Figure 1, 2, the air conditioner indoor unit in the present embodiment has the area left and right Liang Gefeng, Each wind area include it is a set of can independent control axial-flow fan and air ducting, i.e., air conditioner indoor unit include two axial-flow fans 200, respectively the first axial-flow fan and the second axial-flow fan.Above-mentioned alleged first axial-flow fan (or second axial-flow fan) can be with Refer to the axial-flow fan being located on the left of indoor unit, may also mean that the axial-flow fan on the right side of indoor unit, in the present embodiment, First axial-flow fan refers to the axial-flow fan in left side.Indoor set heat exchanger is set to enclosure interior, and prolongs along the transverse direction of indoor unit Setting is stretched, that is, a part of indoor set heat exchanger is located at left sidewind district, corresponding first axial-flow fan;Rest part is located at the right side Sidewind district, corresponding second axial-flow fan.First electric heater unit and the second electric heater unit are set to the enclosure interior.Electricity adds Thermal is specifically set between indoor set heat exchanger and corresponding axial-flow fan, is heated in indoor unit by the fuel factor of electric current Portion's air-flow.Two electric heater units are respectively used to carry out auxiliary heating to the outlet air air-flow of two air outlets.
Two axial-flow fans 200 are along indoor unit transverse direction and are coaxially disposed within the left and right sides inside indoor unit.Each pass through Flow fan 200 corresponds to an air outlet, that is to say, that the first axial-flow fan 200 is blown to the first air outlet, the second axial-flow fan 200 blow to the second air outlet.Each air ducting is respectively arranged at an air outlet, for adjusting corresponding axial-flow fan 200 air supply direction.In this embodiment, each air ducting includes: wind deflector 110 and one group of pendulum leaf 120 comprising multi-disc.It leads Aerofoil 110 is set at air outlet, and is rotated around a shaft of indoor unit transverse direction, for adjusting the vertical outlet air side of air outlet To.Wind deflector 110 have multiple preset turned positions, user can by the way that wind deflector is turned to preset turned position, To adjust the air output of air outlet.In general, the air output of air outlet and the angle of plane where wind deflector and air outlet are big Small related, above-mentioned angle is bigger, and air output is also bigger.It is transversely arranged in air outlet inside, every pendulum leaf that multi-disc puts leaf 120 120 can laterally swing along indoor unit, to adjust the lateral air-out direction of air outlet.Each group of pendulum leaf can preset more A swing angle, towards indoor specific region air-supply when pendulum leaf rotates and is fixed to any one above-mentioned swing angle.
As shown in Figure 1, human body detection device 400 is set between two air outlets, that is, human body detection device 400 is set The middle of machine disposed within, being capable of 360 ° of positions for without dead angle detecting indoor all human bodies.Above-mentioned human body detection device 400 include infrared scanner, can use thermoinduction technology detection human body and is located at indoor specific location.Human body detection device 400 are configured to obtain indoor human body location information at interval of preset time.Above-mentioned preset time can be 10 to 30 seconds.
Indoor temperature detection device is set to surface of shell, is configured to detection indoor environment temperature.In the present embodiment, room Interior temperature-detecting device can be temperature sensor or thermometer.
The present invention also provides a kind of control method of air conditioner indoor unit, Fig. 3 is wall according to an embodiment of the invention The schematic diagram of the automatically cleaning control method of hanging air conditioner, this method it is general the following steps are included:
Step S302 detects that air-conditioning opens automatically cleaning mode.The air-conditioning of the present embodiment has indoor unit self-cleaning function, User can be used air-conditioning remote control or actively open the self-cleaning mode of air-conditioning by the key on air conditioner indoor unit, can also be with Program is set in machine master control borad indoors in advance so that indoor unit cumulative activation for a period of time after, automatically begin to self-cleaning mode.
Step S304, control air-conditioning starts indoor mechanism cold, so that heat exchanger for air-conditioner indoor machine frosting.Automatically cleaning mode After unlatching, air-conditioning starts compressor according to preset self-cleaning program, and compressor is adjusted to predeterminated frequency, starts to carry out room Interior mechanism cold.In process of refrigerastion, indoor machine evaporation temperature is reduced, and is down to below freezing, and surface starts frosting.
Step S306 opens the first axial-flow fan 210, closes the second axial-flow fan 220, while adjusting the first air ducting The first air outlet is opened, the second air ducting is adjusted and closes the second air outlet.After refrigeration starts, first is individually opened first and is passed through Flow fan 210 and the first air outlet close the second air outlet, that is, only allow the first air outlet.Open the first through-flow Fan 210 is in order to enable airflow circulating is formed inside indoor unit, so that evaporator surface frosting is uniform, to improve subsequent Self-cleaning effect.However within the time that the first axial-flow fan 210 is opened, since the heat exchanger in the first wind area is deposited with the external world In heat exchange, the part heat exchanger frosting is simultaneously insufficient, therefore during this period of time, the heat exchanger portion in mainly the second wind area Divide in frosting.
Step S308 detects indoor environment temperature within the period that the first axial-flow fan is opened.
Step S310, judges whether indoor environment temperature is less than or equal to preset temperature value.In the present embodiment, temperature is preset Degree is set as 25 DEG C.
Step S312, if the judging result of step S310 is yes, the first electric heater unit of unlatching.If detecting indoor environment Temperature is too low (being less than or equal to 25 DEG C), in order to avoid user feels cold, the first electric heater unit is opened, to the first air outlet Outlet air air-flow heated, improve leaving air temp, so that user is felt temperature pleasant.
Step S314, if the judging result of step S310 is no, holding the first electric heater unit closing.
Step S316 after waiting the first preset time, opens the second axial-flow fan 220, closes the first axial-flow fan 210, It adjusts the first air ducting and closes the first air outlet, adjust the second air ducting and open the second air outlet.In the present embodiment, One preset time is set as 10min.After refrigeration reaches 10min, then individually open the second axial-flow fan 220 and the second outlet air Mouthful.Opening the second axial-flow fan 220 is in order to enable airflow circulating is formed inside indoor unit, so that evaporator surface frosting is equal It is even.It, should since the heat exchanger in the second wind area and the external world are there are heat exchange however within the time that the second axial-flow fan 220 is opened Part heat exchanger frosting is insufficient.Therefore during this period of time, mainly the heat exchanger section in the first wind area is in frosting.
Step S318 detects indoor environment temperature within the period that the second axial-flow fan is opened.
Step S320, judges whether indoor environment temperature is less than or equal to preset temperature value.In the present embodiment, temperature is preset Degree is set as 25 DEG C.
Step S322, if the judging result of step S320 is yes, the second electric heater unit of unlatching.If detecting indoor environment Temperature is too low (being less than or equal to 25 DEG C), in order to avoid user feels cold, the second electric heater unit is opened, to the second air outlet Outlet air air-flow heated, improve leaving air temp, so that user is felt temperature pleasant.
Step S324, if the judging result of step S320 is no, holding the second electric heater unit closing.
Step S326 after waiting the second preset time, closes the second axial-flow fan 220, adjusts the closing of the second air ducting Second air outlet.Control air-conditioning starts indoor unit and stops refrigeration, waits heat exchanger for air-conditioner indoor machine defrost.In the present embodiment, Above-mentioned second preset time can be 8min.After the closing of the second axial-flow fan 220, indoor unit enters full closeding state.According to After the first axial-flow fan 210 of secondary independent unlatching and the second axial-flow fan 220, indoor set heat exchanger entire surface frosting is uniform, and And the heat exchanger section for being located at the area Liang Gefeng being capable of abundant frosting.In the present embodiment, after refrigeration reaches 18min, stop system Cold process, compressor shutdown wait the frost melts Cheng Shui of heat exchanger surface, to clean the dust on hot device surface.
Step S328 after waiting third preset time, terminates air-conditioning automatically cleaning.In the present embodiment, setting third is default Time, i.e. defrost time are 2min.After the defrost time, air-conditioning exits automatically cleaning mode.
The automatically cleaning control method of the present embodiment, two wind in left and right distinguish carry out frosting.That is the first axial-flow fan 210 is first It opens, the frosting of 220 corresponding heat exchanger elder generations of the second axial-flow fan;Then the first axial-flow fan 210 is turned off, the second through-flow is opened Fan 220, the 210 corresponding heat exchanger frosting again of the first axial-flow fan.Therefore, in the air-conditioning of the present embodiment in automatically cleaning process In, only one air outlet of indoor unit prevents user from feeling to reduce the cooling capacity that indoor unit exports in process of refrigerastion Feel cold, improves user experience.In process of refrigerastion, ambient temperature detection device also detects indoor environment temperature, When environment temperature is too low, opens electric heater unit and carry out auxiliary heating, to improve leaving air temp, user is avoided to feel cold It is cold.
Fig. 4 is the flow chart of the automatically cleaning control method of wall-hanging air conditioner according to an embodiment of the invention, this method It perform the following steps in sequence:
Step S402 detects that air-conditioning opens automatically cleaning mode.Start the process of refrigerastion of automatically cleaning mode in control air-conditioning Before, operation is prepared to air conditioner indoor unit according to working condition of the air-conditioning before entering automatically cleaning mode.Specifically, work as inspection Measure air-conditioning enter automatically cleaning mode before it is in refrigeration mode (refrigeration mode may include common refrigeration, dehumidifying, PMV Refrigeration, health refrigeration, sleep refrigeration etc.) in the case where, the wind deflector 110 for first controlling the area Liang Gefeng is first once resetted, so After enter back into process of refrigerastion.When detect air-conditioning before entering automatically cleaning mode in heating mode (comprising common heating, PMV heating, sleep heating etc.) in the case where, it controls two axial-flow fans and persistently opens the 4th preset time, and control two and lead Wind apparatus opens air outlet, by the Residual heat removal inside indoor unit, guarantees that heating system is stablized.In the present embodiment, above-mentioned 4th preset time can be 2min.In the case where detecting air-conditioning before entering automatically cleaning mode in off-mode (i.e. air-conditioning, which has just been switched on, enters automatically cleaning mode), then first turn on indoor temperature detection device, human body detection device 400, with And the stepper motor of control air ducting operation, after the wind deflector 110 in the area Liang Gefeng first carries out a completely open and close job simultaneously, Then process of refrigerastion is entered back into.
Step S404, control air-conditioning starts indoor mechanism cold, so that heat exchanger for air-conditioner indoor machine frosting.
Step S406 opens the first axial-flow fan 210, closes the second axial-flow fan 220, while adjusting the first air ducting The first air outlet is opened, the second air ducting is adjusted and closes the second air outlet.
The revolving speed of step S408, the first axial-flow fan 210 of control are less than preset rotation speed, control the wind-guiding of the first air ducting Plate 110 turns to predeterminated position, so that the first air outlet keeps minimum aperture.In the present embodiment, preset rotation speed can be set It is set to 300rpm.According to being described above, wind deflector 110 has multiple preset turned positions, and user can be by that will lead Aerofoil 110 turns to specific position, to adjust the air output of air outlet.In the present embodiment, control wind deflector 110 turns to So that the least predeterminated position of air outlet amount.In the present embodiment, blower keeps low-speed running, and the air output of air outlet Keep minimum, to prevent indoor unit from exporting excessive cold wind outward, so that user feels cold.
Step S410 detects indoor environment temperature, and judges whether indoor environment temperature is less than or equal to preset temperature value. In the present embodiment, preset temperature is set as 25 DEG C.
Step S412, if the judging result of step S410 is yes, the first electric heater unit of unlatching.If detecting indoor environment Temperature is too low (being less than or equal to 25 DEG C), in order to avoid user feels cold, the first electric heater unit is opened, to the first air outlet Outlet air air-flow heated, improve leaving air temp, so that user is felt temperature pleasant.
Step S414, if the judging result of step S410 is no, holding the first electric heater unit closing.
Step S416 detects indoor position of human body information;The pendulum leaf of the first air ducting is adjusted according to position of human body information 120, so that air-out direction avoids position of human body.In the present embodiment, user is caused in order to further avoid automatically cleaning refrigeration It influences, air-conditioning is capable of the swing angle of adjust automatically pendulum leaf 120, so that air-out direction avoids position of human body.Specifically, leaf is put 120 can preset multiple swing angles, towards room when pendulum leaf 120 rotates and is fixed to any one above-mentioned swing angle Interior specific region air-supply.Human body detection device on indoor unit can detect automatically the people of indoor user when automatically cleaning freezes Body position, to determine that the room area where human body, pendulum leaf 120 select swing angle according to human body region.Such as: pendulum leaf 120 have A-E, 5 swing angles, when pendulum leaf 120 rotates and rests on above-mentioned 5 positions, respectively to indoor a-e, 5 regions Air-supply.When human body detection device detects that position of human body is located at the indoor region c, put 120 automatic swing of leaf and rest on A, B, in D and E on one of swing angle, position of human body air-supply is avoided to realize.Preferably, indoors machine persistently freeze when In, a position of human body information is detected every 10s-30s, the pendulum leaf 120 of air ducting is according to the people newly detected each time Body position information adjusts air outlet angle in time, to guarantee that air-out direction persistently avoids position of human body.
Step S418 after waiting the first preset time, closes the first axial-flow fan 210, opens the second axial-flow fan 220, It adjusts the first air ducting and closes the first air outlet, adjust the second air ducting and open the second air outlet.
The revolving speed of step S420, the second axial-flow fan 220 of control are less than preset rotation speed, control the wind-guiding of the second air ducting Plate 110 turns to predeterminated position, so that the second air outlet keeps minimum aperture.
Step S422 detects indoor environment temperature, and judges whether indoor environment temperature is less than or equal to preset temperature value. In the present embodiment, preset temperature is set as 25 DEG C.
Step S424, if the judging result of step S422 is yes, the second electric heater unit of unlatching.If detecting indoor environment Temperature is too low (being less than or equal to 25 DEG C), in order to avoid user feels cold, the second electric heater unit is opened, to the second air outlet Outlet air air-flow heated, improve leaving air temp, so that user is felt temperature pleasant.
Step S426, if the judging result of step S422 is no, holding the second electric heater unit closing.
Step S428 detects indoor position of human body information;The pendulum leaf of the second air ducting is adjusted according to position of human body information 120, so that air-out direction avoids position of human body.In the present embodiment, user is caused in order to further avoid automatically cleaning refrigeration It influences, air-conditioning is capable of the swing angle of adjust automatically pendulum leaf 120, so that air-out direction avoids position of human body.
Step S430 after waiting the second preset time, closes the second axial-flow fan 220, adjusts the closing of the second air ducting Second air outlet.
Step S432, control air-conditioning start indoor unit and stop refrigeration, wait heat exchanger for air-conditioner indoor machine defrost.
Step S434 after waiting third preset time, terminates air-conditioning automatically cleaning.
The automatically cleaning control method of the present embodiment, in self-cleaning process of refrigerastion, control axial-flow fan is at low speed, And the wind deflector 110 for controlling corresponding air ducting turns to the least position of air outlet amount, to reduce the cooling capacity of indoor unit Output, improves the comfort level of user.Moreover, the human body detection device being arranged on indoor unit can also real-time detection position of human body, Air-conditioning adjusts the rotational angle of pendulum leaf 120 according to position of human body, so that the air-out direction of air outlet avoids indoor user position, To further increase the body-sensing comfort level of user.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all such other variations or modifications.

Claims (6)

1. a kind of automatically cleaning control method of wall-hanging air conditioner, the indoor unit of the wall-hanging air conditioner includes being set to the interior The first axial-flow fan and the second axial-flow fan of the left and right sides inside machine, the outer casing bottom of the indoor unit offer and described the One axial-flow fan and opposite the first air outlet and the second air outlet of the second axial-flow fan, first air outlet and the second outlet air It is respectively arranged with the first air ducting and the second air ducting at mouthful, for adjusting air-out volume and the direction of corresponding air outlet, It is additionally provided with the first electric heater unit and the second electric heater unit inside the indoor unit, is respectively used to first air outlet Auxiliary heating is carried out with the outlet air air-flow of the second air outlet, the automatically cleaning control method includes:
Detect that the air-conditioning starts automatically cleaning mode;
It controls the air-conditioning and starts indoor mechanism cold, so that the heat exchanger for air-conditioner indoor machine frosting;
First axial-flow fan is opened, second axial-flow fan is closed, while adjusting first air ducting and opening institute The first air outlet is stated, second air ducting is adjusted and closes second air outlet;
The revolving speed for controlling first axial-flow fan is less than preset rotation speed;
The wind deflector for controlling first air ducting turns to predeterminated position, so that first air outlet keeps minimum to open Degree;
Within the period that first axial-flow fan is opened, indoor environment temperature is detected;
Judge whether the indoor environment temperature is less than or equal to preset temperature value;
If so, opening first electric heater unit;
After waiting the first preset time, second axial-flow fan is opened, closes first axial-flow fan, while described in adjusting Second air ducting opens second air outlet, adjusts first air ducting and closes first air outlet;
The revolving speed for controlling second axial-flow fan is less than preset rotation speed;
The wind deflector for controlling second air ducting turns to predeterminated position, so that second air outlet keeps minimum to open Degree;
Within the period that second axial-flow fan is opened, indoor environment temperature is detected;
Judge whether the indoor environment temperature is less than or equal to the preset temperature value;
If so, opening second electric heater unit;
After waiting the second preset time, second axial-flow fan is closed, adjusts the second air ducting closing described second Air outlet controls the air-conditioning and stops refrigeration, waits the heat exchanger for air-conditioner indoor machine defrost;
After waiting third preset time, terminate air-conditioning automatically cleaning.
2. automatically cleaning control method according to claim 1, each air ducting further includes multiple pendulum leaves, wherein controlling The wind deflector for making first air ducting turns to predeterminated position, so that first air outlet keeps the step of minimum aperture After rapid further include:
Detect indoor position of human body information;
The pendulum leaf that first air ducting is adjusted according to the position of human body information makes air-out direction avoid position of human body.
3. automatically cleaning control method according to claim 1, each air ducting further includes multiple pendulum leaves, wherein controlling The wind deflector for making second air ducting turns to predeterminated position, so that second air outlet keeps the step of minimum aperture After rapid further include:
Detect indoor position of human body information;
The pendulum leaf that second air ducting is adjusted according to the position of human body information makes air-out direction avoid position of human body.
4. automatically cleaning control method according to claim 1, wherein controlling the step of air-conditioning starts indoor mechanism cold Before further include:
Judge before the air-conditioning starts automatically cleaning mode, whether the air conditioner indoor unit is in heating mode;
If so, two axial-flow fans of control persistently open the 4th preset time, and controls two air ductings and open The air outlet, by the Residual heat removal inside the indoor unit.
5. automatically cleaning control method according to claim 1, wherein controlling the step of air-conditioning starts indoor mechanism cold Before further include:
Judge before the air-conditioning starts automatically cleaning mode, whether the air conditioner indoor unit is in off-mode;
If so, carrying out primary switch operation to two axial-flow fans and air ducting in advance.
6. a kind of wall-hanging air conditioner, comprising:
Air conditioner indoor unit, wherein the air conditioner indoor unit includes:
Shell, bottom have the first air outlet and the second air outlet being set side by side;
Indoor set heat exchanger is set to the enclosure interior, and is laterally extended setting along the indoor unit;
First axial-flow fan and the second axial-flow fan are set to the left and right sides of the enclosure interior, first axial-flow fan First air outlet described in face, the second air outlet described in the second axial-flow fan face;
First electric heater unit and the second electric heater unit, are set to the enclosure interior, are respectively used to two air outlets Outlet air air-flow carries out auxiliary heating;
First air ducting and the second air ducting are respectively arranged at first air outlet and second air outlet, are used In the air-out volume and air outlet angle that adjust corresponding air outlet;Wherein each air ducting includes:
Wind deflector is laterally extended setting along air outlet, is configured to rotate around a shaft of indoor unit transverse direction, for adjusting out The vertical air-out direction and air-out volume in air port;With
Multi-disc puts leaf, transversely arranged on the inside of the corresponding air outlet, and every pendulum leaf can laterally left and right be put along the indoor unit It is dynamic, to adjust the lateral air-out direction of the air outlet;
Human body detection device is set on the shell, and is located between two air outlets, is configured to detect indoor human body position Confidence breath;With
Indoor temperature detection device is set to the surface of shell, is configured to detection indoor environment temperature;And
The wall-hanging air conditioner carries out self-cleaning process and is configured to: detecting that the air-conditioning starts automatically cleaning mode;
It controls the air-conditioning and starts indoor mechanism cold, so that the heat exchanger for air-conditioner indoor machine frosting;
First axial-flow fan is opened, second axial-flow fan is closed, while adjusting first air ducting and opening institute The first air outlet is stated, second air ducting is adjusted and closes second air outlet;
The revolving speed for controlling first axial-flow fan is less than preset rotation speed;
The wind deflector for controlling first air ducting turns to predeterminated position, so that first air outlet keeps minimum to open Degree;
Within the period that first axial-flow fan is opened, indoor environment temperature is detected;
Judge whether the indoor environment temperature is less than or equal to preset temperature value;
If so, opening first electric heater unit;
After waiting the first preset time, second axial-flow fan is opened, closes first axial-flow fan, while described in adjusting Second air ducting opens second air outlet, adjusts first air ducting and closes first air outlet;
The revolving speed for controlling second axial-flow fan is less than preset rotation speed;
The wind deflector for controlling second air ducting turns to predeterminated position, so that second air outlet keeps minimum to open Degree;
Within the period that second axial-flow fan is opened, indoor environment temperature is detected;
Judge whether the indoor environment temperature is less than or equal to the preset temperature value;
If so, opening second electric heater unit;
After waiting the second preset time, second axial-flow fan is closed, adjusts the second air ducting closing described second Air outlet controls the air-conditioning and stops refrigeration, waits the heat exchanger for air-conditioner indoor machine defrost;
After waiting third preset time, terminate air-conditioning automatically cleaning.
CN201810020170.4A 2018-01-09 2018-01-09 Wall-hanging air conditioner and its automatically cleaning control method Active CN108386907B (en)

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PCT/CN2019/070870 WO2019137377A1 (en) 2018-01-09 2019-01-08 Wall-mounted air conditioner and self-cleaning control method therefor

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